diff options
Diffstat (limited to 'drivers')
109 files changed, 5013 insertions, 1173 deletions
diff --git a/drivers/acorn/char/pcf8583.c b/drivers/acorn/char/pcf8583.c index ad7ae7ab892..141b4c237a5 100644 --- a/drivers/acorn/char/pcf8583.c +++ b/drivers/acorn/char/pcf8583.c @@ -26,11 +26,8 @@ static unsigned short normal_addr[] = { 0x50, I2C_CLIENT_END }; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_addr, - .normal_i2c_range = ignore, .probe = ignore, - .probe_range = ignore, .ignore = ignore, - .ignore_range = ignore, .force = ignore, }; diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index c3d912cbbbc..cc3a952401f 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -49,7 +49,7 @@ static int i2c_debug=0; /* * Generate a start condition on the i2c bus. * - * returns after the start condition has occured + * returns after the start condition has occurred */ static void pca_start(struct i2c_algo_pca_data *adap) { @@ -62,9 +62,9 @@ static void pca_start(struct i2c_algo_pca_data *adap) } /* - * Generate a repeated start condition on the i2c bus + * Generate a repeated start condition on the i2c bus * - * return after the repeated start condition has occured + * return after the repeated start condition has occurred */ static void pca_repeated_start(struct i2c_algo_pca_data *adap) { @@ -82,7 +82,7 @@ static void pca_repeated_start(struct i2c_algo_pca_data *adap) * returns after the stop condition has been generated * * STOPs do not generate an interrupt or set the SI flag, since the - * part returns the the idle state (0xf8). Hence we don't need to + * part returns the idle state (0xf8). Hence we don't need to * pca_wait here. */ static void pca_stop(struct i2c_algo_pca_data *adap) diff --git a/drivers/i2c/algos/i2c-algo-sibyte.c b/drivers/i2c/algos/i2c-algo-sibyte.c index 35789bb7126..f2785499237 100644 --- a/drivers/i2c/algos/i2c-algo-sibyte.c +++ b/drivers/i2c/algos/i2c-algo-sibyte.c @@ -24,7 +24,6 @@ /* Ported for SiByte SOCs by Broadcom Corporation. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a0018de3bef..916ba5e40a9 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -7,7 +7,7 @@ menu "I2C Hardware Bus support" config I2C_ALI1535 tristate "ALI 1535" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the SMB Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB @@ -31,7 +31,7 @@ config I2C_ALI1563 config I2C_ALI15X3 tristate "ALI 15x3" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. @@ -41,7 +41,7 @@ config I2C_ALI15X3 config I2C_AMD756 tristate "AMD 756/766/768/8111 and nVidia nForce" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the AMD 756/766/768 mainboard I2C interfaces. The driver also includes @@ -66,7 +66,7 @@ config I2C_AMD756_S4882 config I2C_AMD8111 tristate "AMD 8111" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the second (SMBus 2.0) AMD 8111 mainboard I2C interface. @@ -109,7 +109,7 @@ config I2C_HYDRA config I2C_I801 tristate "Intel 82801 (ICH)" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following @@ -130,7 +130,7 @@ config I2C_I801 config I2C_I810 tristate "Intel 810/815" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI select I2C_ALGOBIT help If you say yes to this option, support will be included for the Intel @@ -183,7 +183,7 @@ config I2C_IOP3XX config I2C_ISA tristate "ISA Bus support" - depends on I2C && EXPERIMENTAL + depends on I2C help If you say yes to this option, support will be included for i2c interfaces that are on the ISA bus. @@ -248,12 +248,11 @@ config I2C_MPC will be called i2c-mpc. config I2C_NFORCE2 - tristate "Nvidia Nforce2" - depends on I2C && PCI && EXPERIMENTAL + tristate "Nvidia nForce2, nForce3 and nForce4" + depends on I2C && PCI help If you say yes to this option, support will be included for the Nvidia - Nforce2 family of mainboard I2C interfaces. - This driver also supports the nForce3 Pro 150 MCP. + nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. This driver can also be built as a module. If so, the module will be called i2c-nforce2. @@ -305,7 +304,7 @@ config I2C_PARPORT_LIGHT config I2C_PROSAVAGE tristate "S3/VIA (Pro)Savage" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI select I2C_ALGOBIT help If you say yes to this option, support will be included for the @@ -388,7 +387,7 @@ config SCx200_ACB config I2C_SIS5595 tristate "SiS 5595" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the SiS5595 SMBus (a subset of I2C) interface. @@ -398,7 +397,7 @@ config I2C_SIS5595 config I2C_SIS630 tristate "SiS 630/730" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the SiS630 and SiS730 SMBus (a subset of I2C) interface. @@ -408,7 +407,7 @@ config I2C_SIS630 config I2C_SIS96X tristate "SiS 96x" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the SiS 96x SMBus (a subset of I2C) interfaces. Specifically, the following @@ -419,6 +418,7 @@ config I2C_SIS96X 648/961 650/961 735 + 745 This driver can also be built as a module. If so, the module will be called i2c-sis96x. @@ -449,7 +449,7 @@ config I2C_VIA config I2C_VIAPRO tristate "VIA 82C596/82C686/823x" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI help If you say yes to this option, support will be included for the VIA 82C596/82C686/823x I2C interfaces. Specifically, the following @@ -467,7 +467,7 @@ config I2C_VIAPRO config I2C_VOODOO3 tristate "Voodoo 3" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI select I2C_ALGOBIT help If you say yes to this option, support will be included for the diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index b00cd409822..f634a0780cf 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -53,7 +53,6 @@ /* Note: we assume there can only be one ALI1535, with one SMBus interface */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index 5bd6a4a77c1..0f781a1a332 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -60,7 +60,6 @@ /* Note: we assume there can only be one ALI15X3, with one SMBus interface */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index eca5ed3738b..6347ebc6fb5 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -37,7 +37,6 @@ Note: we assume there can only be one device, with one SMBus interface. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c index af22b401a38..d6644481d2a 100644 --- a/drivers/i2c/busses/i2c-amd8111.c +++ b/drivers/i2c/busses/i2c-amd8111.c @@ -8,7 +8,6 @@ * the Free Software Foundation version 2. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c index 75831a20b0b..a7ff112e49b 100644 --- a/drivers/i2c/busses/i2c-au1550.c +++ b/drivers/i2c/busses/i2c-au1550.c @@ -27,7 +27,6 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/config.h> #include <linux/delay.h> #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 0a7720000a0..6930b660e50 100644 --- a/drivers/i2c/busses/i2c-elektor.c +++ b/drivers/i2c/busses/i2c-elektor.c @@ -25,7 +25,6 @@ /* Partialy rewriten by Oleg I. Vdovikin for mmapped support of for Alpha Processor Inc. UP-2000(+) boards */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/ioport.h> #include <linux/module.h> diff --git a/drivers/i2c/busses/i2c-frodo.c b/drivers/i2c/busses/i2c-frodo.c index e093829a0bf..b6f52f5a413 100644 --- a/drivers/i2c/busses/i2c-frodo.c +++ b/drivers/i2c/busses/i2c-frodo.c @@ -12,7 +12,6 @@ * version 2 as published by the Free Software Foundation. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 59c238c42e8..45e6efb1dcd 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -41,7 +41,6 @@ /* Note: we assume there can only be one I801, with one SMBus interface */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-i810.c b/drivers/i2c/busses/i2c-i810.c index ef358bd9c3d..0ff7016e062 100644 --- a/drivers/i2c/busses/i2c-i810.c +++ b/drivers/i2c/busses/i2c-i810.c @@ -34,7 +34,6 @@ i815 1132 */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index bb885215c08..93ca36dc777 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -695,7 +695,7 @@ static int __devinit iic_probe(struct ocp_device *ocp){ dev->irq = iic_force_poll ? -1 : ocp->def->irq; if (dev->irq >= 0){ - /* Disable interrupts until we finish intialization, + /* Disable interrupts until we finish initialization, assumes level-sensitive IRQ setup... */ iic_interrupt_mode(dev, 0); diff --git a/drivers/i2c/busses/i2c-ibm_iic.h b/drivers/i2c/busses/i2c-ibm_iic.h index d819a955d89..2b3219d00e9 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.h +++ b/drivers/i2c/busses/i2c-ibm_iic.h @@ -22,7 +22,6 @@ #ifndef __I2C_IBM_IIC_H_ #define __I2C_IBM_IIC_H_ -#include <linux/config.h> #include <linux/i2c.h> struct iic_regs { diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index c961ba4cfb3..6b682e903f0 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -85,7 +85,7 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap) u32 cr = IOP3XX_ICR_GCD | IOP3XX_ICR_SCLEN | IOP3XX_ICR_UE; /* - * Everytime unit enable is asserted, GPOD needs to be cleared + * Every time unit enable is asserted, GPOD needs to be cleared * on IOP321 to avoid data corruption on the bus. */ #ifdef CONFIG_ARCH_IOP321 diff --git a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c index 0f54a2a0afa..00e7f7157b7 100644 --- a/drivers/i2c/busses/i2c-isa.c +++ b/drivers/i2c/busses/i2c-isa.c @@ -24,7 +24,6 @@ the SMBus and the ISA bus very much easier. See lm78.c for an example of this. */ -#include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-ite.c b/drivers/i2c/busses/i2c-ite.c index 702e3def1b8..5f5d2944808 100644 --- a/drivers/i2c/busses/i2c-ite.c +++ b/drivers/i2c/busses/i2c-ite.c @@ -33,7 +33,6 @@ /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even Frodo Looijaard <frodol@dds.nl> */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/ioport.h> #include <linux/module.h> diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c index 21cd54d0230..ec943cad231 100644 --- a/drivers/i2c/busses/i2c-ixp2000.c +++ b/drivers/i2c/busses/i2c-ixp2000.c @@ -26,11 +26,6 @@ * 'enabled' to drive the GPIOs. */ -#include <linux/config.h> -#ifdef CONFIG_I2C_DEBUG_BUS -#define DEBUG 1 -#endif - #include <linux/kernel.h> #include <linux/init.h> #include <linux/device.h> diff --git a/drivers/i2c/busses/i2c-ixp4xx.c b/drivers/i2c/busses/i2c-ixp4xx.c index 8c55eafc3a0..f6f5ca31fdb 100644 --- a/drivers/i2c/busses/i2c-ixp4xx.c +++ b/drivers/i2c/busses/i2c-ixp4xx.c @@ -26,11 +26,6 @@ * that is passed as the platform_data to this driver. */ -#include <linux/config.h> -#ifdef CONFIG_I2C_DEBUG_BUS -#define DEBUG 1 -#endif - #include <linux/kernel.h> #include <linux/init.h> #include <linux/device.h> diff --git a/drivers/i2c/busses/i2c-keywest.c b/drivers/i2c/busses/i2c-keywest.c index 867d443e713..363e545fc01 100644 --- a/drivers/i2c/busses/i2c-keywest.c +++ b/drivers/i2c/busses/i2c-keywest.c @@ -46,7 +46,6 @@ sound driver to be happy */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/ioport.h> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 6f33496d31c..d41ca31dbcb 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -325,7 +325,7 @@ static int __devinit mpc_i2c_probe(struct ocp_device *ocp) if (i2c->irq != OCP_IRQ_NA) { if ((result = request_irq(ocp->def->irq, mpc_i2c_isr, - 0, "i2c-mpc", i2c)) < 0) { + SA_SHIRQ, "i2c-mpc", i2c)) < 0) { printk(KERN_ERR "i2c-mpc - failed to attach interrupt\n"); goto fail_irq; @@ -333,6 +333,9 @@ static int __devinit mpc_i2c_probe(struct ocp_device *ocp) } else i2c->irq = 0; + mpc_i2c_setclock(i2c); + ocp_set_drvdata(ocp, i2c); + i2c->adap = mpc_ops; i2c_set_adapdata(&i2c->adap, i2c); @@ -341,8 +344,6 @@ static int __devinit mpc_i2c_probe(struct ocp_device *ocp) goto fail_add; } - mpc_i2c_setclock(i2c); - ocp_set_drvdata(ocp, i2c); return result; fail_add: @@ -358,8 +359,8 @@ static int __devinit mpc_i2c_probe(struct ocp_device *ocp) static void __devexit mpc_i2c_remove(struct ocp_device *ocp) { struct mpc_i2c *i2c = ocp_get_drvdata(ocp); - ocp_set_drvdata(ocp, NULL); i2c_del_adapter(&i2c->adap); + ocp_set_drvdata(ocp, NULL); if (ocp->def->irq != OCP_IRQ_NA) free_irq(i2c->irq, i2c); @@ -424,12 +425,15 @@ static int fsl_i2c_probe(struct device *device) if (i2c->irq != 0) if ((result = request_irq(i2c->irq, mpc_i2c_isr, - 0, "fsl-i2c", i2c)) < 0) { + SA_SHIRQ, "i2c-mpc", i2c)) < 0) { printk(KERN_ERR "i2c-mpc - failed to attach interrupt\n"); goto fail_irq; } + mpc_i2c_setclock(i2c); + dev_set_drvdata(device, i2c); + i2c->adap = mpc_ops; i2c_set_adapdata(&i2c->adap, i2c); i2c->adap.dev.parent = &pdev->dev; @@ -438,8 +442,6 @@ static int fsl_i2c_probe(struct device *device) goto fail_add; } - mpc_i2c_setclock(i2c); - dev_set_drvdata(device, i2c); return result; fail_add: @@ -456,8 +458,8 @@ static int fsl_i2c_remove(struct device *device) { struct mpc_i2c *i2c = dev_get_drvdata(device); - dev_set_drvdata(device, NULL); i2c_del_adapter(&i2c->adap); + dev_set_drvdata(device, NULL); if (i2c->irq != 0) free_irq(i2c->irq, i2c); diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 6d13127c8c4..74eb89aa935 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -37,7 +37,6 @@ /* Note: we assume there can only be one nForce2, with two SMBus interfaces */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c index cb5e722301d..3e5eba9fcac 100644 --- a/drivers/i2c/busses/i2c-parport-light.c +++ b/drivers/i2c/busses/i2c-parport-light.c @@ -24,7 +24,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index e9560bab51c..71a2502fe06 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -24,7 +24,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -131,7 +130,7 @@ static int parport_getsda(void *data) /* Encapsulate the functions above in the correct structure. Note that this is only a template, from which the real structures are copied. The attaching code will set getscl to NULL for adapters that - cannot read SCL back, and will also make the the data field point to + cannot read SCL back, and will also make the data field point to the parallel port structure. */ static struct i2c_algo_bit_data parport_algo_data = { .setsda = parport_setsda, diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c index 9c611134db9..d9b4ddbad7e 100644 --- a/drivers/i2c/busses/i2c-pca-isa.c +++ b/drivers/i2c/busses/i2c-pca-isa.c @@ -17,7 +17,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/ioport.h> #include <linux/module.h> diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index 646381b6b3b..1f80ba9da6f 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -28,7 +28,6 @@ Note: we assume there can only be one device, with one SMBus interface. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> diff --git a/drivers/i2c/busses/i2c-prosavage.c b/drivers/i2c/busses/i2c-prosavage.c index 13d66289933..83fd16d61ce 100644 --- a/drivers/i2c/busses/i2c-prosavage.c +++ b/drivers/i2c/busses/i2c-prosavage.c @@ -54,7 +54,6 @@ * (Additional documentation needed :( */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/pci.h> diff --git a/drivers/i2c/busses/i2c-rpx.c b/drivers/i2c/busses/i2c-rpx.c index 9497b1b6852..0ebec3c1a54 100644 --- a/drivers/i2c/busses/i2c-rpx.c +++ b/drivers/i2c/busses/i2c-rpx.c @@ -11,7 +11,6 @@ * changed to eliminate RPXLite references. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index fcfa51c1436..a3b38257cc3 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -20,6 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> @@ -533,7 +534,7 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int /* s3c24xx_i2c_xfer * * first port of call from the i2c bus code when an message needs - * transfering across the i2c bus. + * transferring across the i2c bus. */ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap, diff --git a/drivers/i2c/busses/i2c-savage4.c b/drivers/i2c/busses/i2c-savage4.c index 092d0323c6c..0c8518298e4 100644 --- a/drivers/i2c/busses/i2c-savage4.c +++ b/drivers/i2c/busses/i2c-savage4.c @@ -29,7 +29,6 @@ it easier to add later. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c index e5dd90bdb04..1c99536b673 100644 --- a/drivers/i2c/busses/i2c-sibyte.c +++ b/drivers/i2c/busses/i2c-sibyte.c @@ -17,7 +17,6 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/i2c-algo-sibyte.h> #include <asm/sibyte/sb1250_regs.h> diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c index 425733b019b..2b5911cfb7b 100644 --- a/drivers/i2c/busses/i2c-sis5595.c +++ b/drivers/i2c/busses/i2c-sis5595.c @@ -55,7 +55,6 @@ * Add adapter resets */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index 58df63df154..f58455e7689 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -48,7 +48,6 @@ Note: we assume there can only be one device, with one SMBus interface. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c index 3cac6d43bce..6484792e23a 100644 --- a/drivers/i2c/busses/i2c-sis96x.c +++ b/drivers/i2c/busses/i2c-sis96x.c @@ -32,7 +32,6 @@ We assume there can only be one SiS96x with one SMBus interface. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/busses/i2c-stub.c index 19c805ead4d..00d94e88695 100644 --- a/drivers/i2c/busses/i2c-stub.c +++ b/drivers/i2c/busses/i2c-stub.c @@ -21,7 +21,6 @@ #define DEBUG 1 -#include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c index 2cbc4cd2236..040b8abeabb 100644 --- a/drivers/i2c/busses/i2c-via.c +++ b/drivers/i2c/busses/i2c-via.c @@ -21,7 +21,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 0bb60a636e1..6b5008005c6 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -33,7 +33,6 @@ Note: we assume there can only be one device, with one SMBus interface. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/pci.h> diff --git a/drivers/i2c/busses/i2c-voodoo3.c b/drivers/i2c/busses/i2c-voodoo3.c index 3edf0e34155..b675773b0cc 100644 --- a/drivers/i2c/busses/i2c-voodoo3.c +++ b/drivers/i2c/busses/i2c-voodoo3.c @@ -27,7 +27,6 @@ /* This interfaces to the I2C bus of the Voodoo3 to gain access to the BT869 and possibly other I2C devices. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 1c4159a9362..a18bdd9aa7b 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -24,7 +24,6 @@ */ -#include <linux/config.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/kernel.h> diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index 74d23cfce2a..a0982da0980 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -1,5 +1,5 @@ # -# I2C Sensor device configuration +# I2C Sensor and "other" chip configuration # menu "Hardware Sensors Chip support" @@ -11,7 +11,7 @@ config I2C_SENSOR config SENSORS_ADM1021 tristate "Analog Devices ADM1021 and compatibles" - depends on I2C && EXPERIMENTAL + depends on I2C select I2C_SENSOR help If you say yes here you get support for Analog Devices ADM1021 @@ -29,6 +29,7 @@ config SENSORS_ADM1025 help If you say yes here you get support for Analog Devices ADM1025 and Philips NE1619 sensor chips. + This driver can also be built as a module. If so, the module will be called adm1025. @@ -38,6 +39,8 @@ config SENSORS_ADM1026 select I2C_SENSOR help If you say yes here you get support for Analog Devices ADM1026 + sensor chip. + This driver can also be built as a module. If so, the module will be called adm1026. @@ -48,9 +51,21 @@ config SENSORS_ADM1031 help If you say yes here you get support for Analog Devices ADM1031 and ADM1030 sensor chips. + This driver can also be built as a module. If so, the module will be called adm1031. +config SENSORS_ADM9240 + tristate "Analog Devices ADM9240 and compatibles" + depends on I2C && EXPERIMENTAL + select I2C_SENSOR + help + If you say yes here you get support for Analog Devices ADM9240, + Dallas DS1780, National Semiconductor LM81 sensor chips. + + This driver can also be built as a module. If so, the module + will be called adm9240. + config SENSORS_ASB100 tristate "Asus ASB100 Bach" depends on I2C && EXPERIMENTAL @@ -62,6 +77,19 @@ config SENSORS_ASB100 This driver can also be built as a module. If so, the module will be called asb100. +config SENSORS_ATXP1 + tristate "Attansic ATXP1 VID controller" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Attansic ATXP1 VID + controller. + + If your board have such a chip, you are able to control your CPU + core and other voltages. + + This driver can also be built as a module. If so, the module + will be called atxp1. + config SENSORS_DS1621 tristate "Dallas Semiconductor DS1621 and DS1625" depends on I2C && EXPERIMENTAL @@ -97,7 +125,7 @@ config SENSORS_FSCPOS config SENSORS_GL518SM tristate "Genesys Logic GL518SM" - depends on I2C && EXPERIMENTAL + depends on I2C select I2C_SENSOR help If you say yes here you get support for Genesys Logic GL518SM @@ -119,7 +147,7 @@ config SENSORS_GL520SM config SENSORS_IT87 tristate "ITE IT87xx and compatibles" - depends on I2C && EXPERIMENTAL + depends on I2C select I2C_SENSOR help If you say yes here you get support for ITE IT87xx sensor chips @@ -143,7 +171,7 @@ config SENSORS_LM63 config SENSORS_LM75 tristate "National Semiconductor LM75 and compatibles" - depends on I2C && EXPERIMENTAL + depends on I2C select I2C_SENSOR help If you say yes here you get support for National Semiconductor LM75 @@ -174,8 +202,7 @@ config SENSORS_LM78 select I2C_SENSOR help If you say yes here you get support for National Semiconductor LM78, - LM78-J and LM79. This can also be built as a module which can be - inserted and removed while the kernel is running. + LM78-J and LM79. This driver can also be built as a module. If so, the module will be called lm78. @@ -208,7 +235,7 @@ config SENSORS_LM85 select I2C_SENSOR help If you say yes here you get support for National Semiconductor LM85 - sensor chips and clones: ADT7463 and ADM1027. + sensor chips and clones: ADT7463, EMC6D100, EMC6D102 and ADM1027. This driver can also be built as a module. If so, the module will be called lm85. @@ -307,14 +334,14 @@ config SENSORS_SMSC47M1 help If you say yes here you get support for the integrated fan monitoring and control capabilities of the SMSC LPC47B27x, - LPC47M10x, LPC47M13x and LPC47M14x chips. + LPC47M10x, LPC47M13x, LPC47M14x, LPC47M15x and LPC47M192 chips. This driver can also be built as a module. If so, the module will be called smsc47m1. config SENSORS_VIA686A tristate "VIA686A" - depends on I2C && PCI && EXPERIMENTAL + depends on I2C && PCI select I2C_SENSOR select I2C_ISA help @@ -326,7 +353,7 @@ config SENSORS_VIA686A config SENSORS_W83781D tristate "Winbond W83781D, W83782D, W83783S, W83627HF, Asus AS99127F" - depends on I2C && EXPERIMENTAL + depends on I2C select I2C_SENSOR help If you say yes here you get support for the Winbond W8378x series @@ -360,22 +387,47 @@ config SENSORS_W83627HF This driver can also be built as a module. If so, the module will be called w83627hf. +config SENSORS_W83627EHF + tristate "Winbond W83627EHF" + depends on I2C && EXPERIMENTAL + select I2C_SENSOR + select I2C_ISA + help + If you say yes here you get preliminary support for the hardware + monitoring functionality of the Winbond W83627EHF Super-I/O chip. + Only fan and temperature inputs are supported at the moment, while + the chip does much more than that. + + This driver can also be built as a module. If so, the module + will be called w83627ehf. + endmenu menu "Other I2C Chip support" depends on I2C config SENSORS_DS1337 - tristate "Dallas Semiconductor DS1337 Real Time Clock" + tristate "Dallas Semiconductor DS1337 and DS1339 Real Time Clock" depends on I2C && EXPERIMENTAL select I2C_SENSOR help If you say yes here you get support for Dallas Semiconductor - DS1337 real-time clock chips. + DS1337 and DS1339 real-time clock chips. This driver can also be built as a module. If so, the module will be called ds1337. +config SENSORS_DS1374 + tristate "Maxim/Dallas Semiconductor DS1374 Real Time Clock" + depends on I2C && EXPERIMENTAL + select I2C_SENSOR + help + If you say yes here you get support for Dallas Semiconductor + DS1374 real-time clock chips. + + This driver can also be built as a module. If so, the module + will be called ds1374. + config SENSORS_EEPROM tristate "EEPROM reader" depends on I2C && EXPERIMENTAL @@ -399,6 +451,16 @@ config SENSORS_PCF8574 This driver can also be built as a module. If so, the module will be called pcf8574. +config SENSORS_PCA9539 + tristate "Philips PCA9539 16-bit I/O port" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Philips PCA9539 + 16-bit I/O port. + + This driver can also be built as a module. If so, the module + will be called pca9539. + config SENSORS_PCF8591 tristate "Philips PCF8591" depends on I2C && EXPERIMENTAL @@ -431,6 +493,23 @@ config ISP1301_OMAP This driver can also be built as a module. If so, the module will be called isp1301_omap. +# NOTE: This isn't really OMAP-specific, except for the current +# interface location in <include/asm-arm/arch-omap/tps65010.h> +# and having mostly OMAP-specific board support +config TPS65010 + tristate "TPS6501x Power Management chips" + depends on I2C && ARCH_OMAP + default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK + help + If you say yes here you get support for the TPS6501x series of + Power Management chips. These include voltage regulators, + lithium ion/polymer battery charging, and other features that + are often used in portable devices like cell phones and cameras. + + This driver can also be built as a module. If so, the module + will be called tps65010. + + config SENSORS_M41T00 tristate "ST M41T00 RTC chip" depends on I2C && PPC32 @@ -440,4 +519,16 @@ config SENSORS_M41T00 This driver can also be built as a module. If so, the module will be called m41t00. +config SENSORS_MAX6875 + tristate "MAXIM MAX6875 Power supply supervisor" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the MAX6875 + EEPROM-Programmable, Hex/Quad, Power-Suppy Sequencers/Supervisors. + + This provides a interface to program the EEPROM and reset the chip. + + This driver can also be built as a module. If so, the module + will be called max6875. + endmenu diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 65599161a17..b5e6d2f84f9 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -1,5 +1,5 @@ # -# Makefile for the kernel hardware sensors chip drivers. +# Makefile for sensor and "other" I2C chip drivers. # # asb100, then w83781d go first, as they can override other drivers' addresses. @@ -11,7 +11,10 @@ obj-$(CONFIG_SENSORS_ADM1021) += adm1021.o obj-$(CONFIG_SENSORS_ADM1025) += adm1025.o obj-$(CONFIG_SENSORS_ADM1026) += adm1026.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o +obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o +obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o obj-$(CONFIG_SENSORS_DS1337) += ds1337.o +obj-$(CONFIG_SENSORS_DS1374) += ds1374.o obj-$(CONFIG_SENSORS_DS1621) += ds1621.o obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o obj-$(CONFIG_SENSORS_FSCHER) += fscher.o @@ -30,8 +33,10 @@ obj-$(CONFIG_SENSORS_LM87) += lm87.o obj-$(CONFIG_SENSORS_LM90) += lm90.o obj-$(CONFIG_SENSORS_LM92) += lm92.o obj-$(CONFIG_SENSORS_MAX1619) += max1619.o +obj-$(CONFIG_SENSORS_MAX6875) += max6875.o obj-$(CONFIG_SENSORS_M41T00) += m41t00.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o +obj-$(CONFIG_SENSORS_PCA9539) += pca9539.o obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_SENSORS_RTC8564) += rtc8564.o @@ -39,8 +44,11 @@ obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o obj-$(CONFIG_SENSORS_VIA686A) += via686a.o +obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o + obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o +obj-$(CONFIG_TPS65010) += tps65010.o ifeq ($(CONFIG_I2C_DEBUG_CHIP),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/i2c/chips/adm1021.c b/drivers/i2c/chips/adm1021.c index 9058c395671..d2c774c32f4 100644 --- a/drivers/i2c/chips/adm1021.c +++ b/drivers/i2c/chips/adm1021.c @@ -19,7 +19,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -103,8 +102,6 @@ struct adm1021_data { u8 remote_temp_hyst; u8 remote_temp_input; u8 alarms; - /* special values for ADM1021 only */ - u8 die_code; /* Special values for ADM1023 only */ u8 remote_temp_prec; u8 remote_temp_os_prec; @@ -156,7 +153,6 @@ static ssize_t show_##value(struct device *dev, struct device_attribute *attr, c return sprintf(buf, "%d\n", data->value); \ } show2(alarms); -show2(die_code); #define set(value, reg) \ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ @@ -183,7 +179,6 @@ static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_remote_temp_max, set_remot static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_remote_temp_hyst, set_remote_temp_hyst); static DEVICE_ATTR(temp2_input, S_IRUGO, show_remote_temp_input, NULL); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); -static DEVICE_ATTR(die_code, S_IRUGO, show_die_code, NULL); static int adm1021_attach_adapter(struct i2c_adapter *adapter) @@ -307,8 +302,6 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) device_create_file(&new_client->dev, &dev_attr_temp2_min); device_create_file(&new_client->dev, &dev_attr_temp2_input); device_create_file(&new_client->dev, &dev_attr_alarms); - if (data->type == adm1021) - device_create_file(&new_client->dev, &dev_attr_die_code); return 0; @@ -371,8 +364,6 @@ static struct adm1021_data *adm1021_update_device(struct device *dev) data->remote_temp_max = adm1021_read_value(client, ADM1021_REG_REMOTE_TOS_R); data->remote_temp_hyst = adm1021_read_value(client, ADM1021_REG_REMOTE_THYST_R); data->alarms = adm1021_read_value(client, ADM1021_REG_STATUS) & 0x7c; - if (data->type == adm1021) - data->die_code = adm1021_read_value(client, ADM1021_REG_DIE_CODE); if (data->type == adm1023) { data->remote_temp_prec = adm1021_read_value(client, ADM1021_REG_REM_TEMP_PREC); data->remote_temp_os_prec = adm1021_read_value(client, ADM1021_REG_REM_TOS_PREC); diff --git a/drivers/i2c/chips/adm1025.c b/drivers/i2c/chips/adm1025.c index 111f0c86c93..e452d0daf90 100644 --- a/drivers/i2c/chips/adm1025.c +++ b/drivers/i2c/chips/adm1025.c @@ -45,7 +45,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -287,7 +286,9 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); } +/* in1_ref is deprecated in favour of cpu0_vid, remove after 2005-11-11 */ static DEVICE_ATTR(in1_ref, S_IRUGO, show_vid, NULL); +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) { @@ -437,7 +438,9 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) device_create_file(&new_client->dev, &dev_attr_temp1_max); device_create_file(&new_client->dev, &dev_attr_temp2_max); device_create_file(&new_client->dev, &dev_attr_alarms); + /* in1_ref is deprecated, remove after 2005-11-11 */ device_create_file(&new_client->dev, &dev_attr_in1_ref); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); device_create_file(&new_client->dev, &dev_attr_vrm); /* Pin 11 is either in4 (+12V) or VID4 */ diff --git a/drivers/i2c/chips/adm1026.c b/drivers/i2c/chips/adm1026.c index b15fafe8f11..3c85fe150cd 100644 --- a/drivers/i2c/chips/adm1026.c +++ b/drivers/i2c/chips/adm1026.c @@ -23,15 +23,14 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> -#include <linux/i2c-sysfs.h> #include <linux/i2c-vid.h> +#include <linux/hwmon-sysfs.h> /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; @@ -1225,8 +1224,9 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, c struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm)); } - +/* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */ static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL); +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1666,7 +1666,9 @@ int adm1026_detect(struct i2c_adapter *adapter, int address, device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable); device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable); device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable); + /* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */ device_create_file(&new_client->dev, &dev_attr_vid); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); device_create_file(&new_client->dev, &dev_attr_vrm); device_create_file(&new_client->dev, &dev_attr_alarms); device_create_file(&new_client->dev, &dev_attr_alarm_mask); diff --git a/drivers/i2c/chips/adm1031.c b/drivers/i2c/chips/adm1031.c index 2163dba467c..9168e983ca1 100644 --- a/drivers/i2c/chips/adm1031.c +++ b/drivers/i2c/chips/adm1031.c @@ -440,7 +440,7 @@ pwm_reg(2); /* * That function checks the cases where the fan reading is not - * relevent. It is used to provide 0 as fan reading when the fan is + * relevant. It is used to provide 0 as fan reading when the fan is * not supposed to run */ static int trust_fan_readings(struct adm1031_data *data, int chan) diff --git a/drivers/i2c/chips/adm9240.c b/drivers/i2c/chips/adm9240.c new file mode 100644 index 00000000000..5c68e9c311a --- /dev/null +++ b/drivers/i2c/chips/adm9240.c @@ -0,0 +1,791 @@ +/* + * adm9240.c Part of lm_sensors, Linux kernel modules for hardware + * monitoring + * + * Copyright (C) 1999 Frodo Looijaard <frodol@dds.nl> + * Philip Edelbrock <phil@netroedge.com> + * Copyright (C) 2003 Michiel Rook <michiel@grendelproject.nl> + * Copyright (C) 2005 Grant Coady <gcoady@gmail.com> with valuable + * guidance from Jean Delvare + * + * Driver supports Analog Devices ADM9240 + * Dallas Semiconductor DS1780 + * National Semiconductor LM81 + * + * ADM9240 is the reference, DS1780 and LM81 are register compatibles + * + * Voltage Six inputs are scaled by chip, VID also reported + * Temperature Chip temperature to 0.5'C, maximum and max_hysteris + * Fans 2 fans, low speed alarm, automatic fan clock divider + * Alarms 16-bit map of active alarms + * Analog Out 0..1250 mV output + * + * Chassis Intrusion: clear CI latch with 'echo 1 > chassis_clear' + * + * Test hardware: Intel SE440BX-2 desktop motherboard --Grant + * + * LM81 extended temp reading not implemented + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/i2c-sensor.h> +#include <linux/i2c-vid.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; + +static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END }; + +/* Insmod parameters */ +SENSORS_INSMOD_3(adm9240, ds1780, lm81); + +/* ADM9240 registers */ +#define ADM9240_REG_MAN_ID 0x3e +#define ADM9240_REG_DIE_REV 0x3f +#define ADM9240_REG_CONFIG 0x40 + +#define ADM9240_REG_IN(nr) (0x20 + (nr)) /* 0..5 */ +#define ADM9240_REG_IN_MAX(nr) (0x2b + (nr) * 2) +#define ADM9240_REG_IN_MIN(nr) (0x2c + (nr) * 2) +#define ADM9240_REG_FAN(nr) (0x28 + (nr)) /* 0..1 */ +#define ADM9240_REG_FAN_MIN(nr) (0x3b + (nr)) +#define ADM9240_REG_INT(nr) (0x41 + (nr)) +#define ADM9240_REG_INT_MASK(nr) (0x43 + (nr)) +#define ADM9240_REG_TEMP 0x27 +#define ADM9240_REG_TEMP_HIGH 0x39 +#define ADM9240_REG_TEMP_HYST 0x3a +#define ADM9240_REG_ANALOG_OUT 0x19 +#define ADM9240_REG_CHASSIS_CLEAR 0x46 +#define ADM9240_REG_VID_FAN_DIV 0x47 +#define ADM9240_REG_I2C_ADDR 0x48 +#define ADM9240_REG_VID4 0x49 +#define ADM9240_REG_TEMP_CONF 0x4b + +/* generalised scaling with integer rounding */ +static inline int SCALE(long val, int mul, int div) +{ + if (val < 0) + return (val * mul - div / 2) / div; + else + return (val * mul + div / 2) / div; +} + +/* adm9240 internally scales voltage measurements */ +static const u16 nom_mv[] = { 2500, 2700, 3300, 5000, 12000, 2700 }; + +static inline unsigned int IN_FROM_REG(u8 reg, int n) +{ + return SCALE(reg, nom_mv[n], 192); +} + +static inline u8 IN_TO_REG(unsigned long val, int n) +{ + return SENSORS_LIMIT(SCALE(val, 192, nom_mv[n]), 0, 255); +} + +/* temperature range: -40..125, 127 disables temperature alarm */ +static inline s8 TEMP_TO_REG(long val) +{ + return SENSORS_LIMIT(SCALE(val, 1, 1000), -40, 127); +} + +/* two fans, each with low fan speed limit */ +static inline unsigned int FAN_FROM_REG(u8 reg, u8 div) +{ + if (!reg) /* error */ + return -1; + + if (reg == 255) + return 0; + + return SCALE(1350000, 1, reg * div); +} + +/* analog out 0..1250mV */ +static inline u8 AOUT_TO_REG(unsigned long val) +{ + return SENSORS_LIMIT(SCALE(val, 255, 1250), 0, 255); +} + +static inline unsigned int AOUT_FROM_REG(u8 reg) +{ + return SCALE(reg, 1250, 255); +} + +static int adm9240_attach_adapter(struct i2c_adapter *adapter); +static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind); +static void adm9240_init_client(struct i2c_client *client); +static int adm9240_detach_client(struct i2c_client *client); +static struct adm9240_data *adm9240_update_device(struct device *dev); + +/* driver data */ +static struct i2c_driver adm9240_driver = { + .owner = THIS_MODULE, + .name = "adm9240", + .id = I2C_DRIVERID_ADM9240, + .flags = I2C_DF_NOTIFY, + .attach_adapter = adm9240_attach_adapter, + .detach_client = adm9240_detach_client, +}; + +/* per client data */ +struct adm9240_data { + enum chips type; + struct i2c_client client; + struct semaphore update_lock; + char valid; + unsigned long last_updated_measure; + unsigned long last_updated_config; + + u8 in[6]; /* ro in0_input */ + u8 in_max[6]; /* rw in0_max */ + u8 in_min[6]; /* rw in0_min */ + u8 fan[2]; /* ro fan1_input */ + u8 fan_min[2]; /* rw fan1_min */ + u8 fan_div[2]; /* rw fan1_div, read-only accessor */ + s16 temp; /* ro temp1_input, 9-bit sign-extended */ + s8 temp_high; /* rw temp1_max */ + s8 temp_hyst; /* rw temp1_max_hyst */ + u16 alarms; /* ro alarms */ + u8 aout; /* rw aout_output */ + u8 vid; /* ro vid */ + u8 vrm; /* -- vrm set on startup, no accessor */ +}; + +/* i2c byte read/write interface */ +static int adm9240_read_value(struct i2c_client *client, u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} + +static int adm9240_write_value(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +/*** sysfs accessors ***/ + +/* temperature */ +#define show_temp(value, scale) \ +static ssize_t show_##value(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct adm9240_data *data = adm9240_update_device(dev); \ + return sprintf(buf, "%d\n", data->value * scale); \ +} +show_temp(temp_high, 1000); +show_temp(temp_hyst, 1000); +show_temp(temp, 500); /* 0.5'C per bit */ + +#define set_temp(value, reg) \ +static ssize_t set_##value(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct adm9240_data *data = adm9240_update_device(dev); \ + long temp = simple_strtoul(buf, NULL, 10); \ + \ + down(&data->update_lock); \ + data->value = TEMP_TO_REG(temp); \ + adm9240_write_value(client, reg, data->value); \ + up(&data->update_lock); \ + return count; \ +} + +set_temp(temp_high, ADM9240_REG_TEMP_HIGH); +set_temp(temp_hyst, ADM9240_REG_TEMP_HYST); + +static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, + show_temp_high, set_temp_high); +static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, + show_temp_hyst, set_temp_hyst); +static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); + +/* voltage */ +static ssize_t show_in(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr)); +} + +static ssize_t show_in_min(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr)); +} + +static ssize_t show_in_max(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr)); +} + +static ssize_t set_in_min(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + + down(&data->update_lock); + data->in_min[nr] = IN_TO_REG(val, nr); + adm9240_write_value(client, ADM9240_REG_IN_MIN(nr), data->in_min[nr]); + up(&data->update_lock); + return count; +} + +static ssize_t set_in_max(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + + down(&data->update_lock); + data->in_max[nr] = IN_TO_REG(val, nr); + adm9240_write_value(client, ADM9240_REG_IN_MAX(nr), data->in_max[nr]); + up(&data->update_lock); + return count; +} + +#define show_in_offset(offset) \ +static ssize_t show_in##offset(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_in(dev, buf, offset); \ +} \ +static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); \ +static ssize_t show_in##offset##_min(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_in_min(dev, buf, offset); \ +} \ +static ssize_t show_in##offset##_max(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_in_max(dev, buf, offset); \ +} \ +static ssize_t \ +set_in##offset##_min(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + return set_in_min(dev, buf, count, offset); \ +} \ +static ssize_t \ +set_in##offset##_max(struct device *dev, \ + struct device_attribute *attr, const char *buf, \ + size_t count) \ +{ \ + return set_in_max(dev, buf, count, offset); \ +} \ +static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ + show_in##offset##_min, set_in##offset##_min); \ +static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ + show_in##offset##_max, set_in##offset##_max); + +show_in_offset(0); +show_in_offset(1); +show_in_offset(2); +show_in_offset(3); +show_in_offset(4); +show_in_offset(5); + +/* fans */ +static ssize_t show_fan(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], + 1 << data->fan_div[nr])); +} + +static ssize_t show_fan_min(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], + 1 << data->fan_div[nr])); +} + +static ssize_t show_fan_div(struct device *dev, char *buf, int nr) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", 1 << data->fan_div[nr]); +} + +/* write new fan div, callers must hold data->update_lock */ +static void adm9240_write_fan_div(struct i2c_client *client, int nr, + u8 fan_div) +{ + u8 reg, old, shift = (nr + 2) * 2; + + reg = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV); + old = (reg >> shift) & 3; + reg &= ~(3 << shift); + reg |= (fan_div << shift); + adm9240_write_value(client, ADM9240_REG_VID_FAN_DIV, reg); + dev_dbg(&client->dev, "fan%d clock divider changed from %u " + "to %u\n", nr + 1, 1 << old, 1 << fan_div); +} + +/* + * set fan speed low limit: + * + * - value is zero: disable fan speed low limit alarm + * + * - value is below fan speed measurement range: enable fan speed low + * limit alarm to be asserted while fan speed too slow to measure + * + * - otherwise: select fan clock divider to suit fan speed low limit, + * measurement code may adjust registers to ensure fan speed reading + */ +static ssize_t set_fan_min(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + u8 new_div; + + down(&data->update_lock); + + if (!val) { + data->fan_min[nr] = 255; + new_div = data->fan_div[nr]; + + dev_dbg(&client->dev, "fan%u low limit set disabled\n", + nr + 1); + + } else if (val < 1350000 / (8 * 254)) { + new_div = 3; + data->fan_min[nr] = 254; + + dev_dbg(&client->dev, "fan%u low limit set minimum %u\n", + nr + 1, FAN_FROM_REG(254, 1 << new_div)); + + } else { + unsigned int new_min = 1350000 / val; + + new_div = 0; + while (new_min > 192 && new_div < 3) { + new_div++; + new_min /= 2; + } + if (!new_min) /* keep > 0 */ + new_min++; + + data->fan_min[nr] = new_min; + + dev_dbg(&client->dev, "fan%u low limit set fan speed %u\n", + nr + 1, FAN_FROM_REG(new_min, 1 << new_div)); + } + + if (new_div != data->fan_div[nr]) { + data->fan_div[nr] = new_div; + adm9240_write_fan_div(client, nr, new_div); + } + adm9240_write_value(client, ADM9240_REG_FAN_MIN(nr), + data->fan_min[nr]); + + up(&data->update_lock); + return count; +} + +#define show_fan_offset(offset) \ +static ssize_t show_fan_##offset (struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ +return show_fan(dev, buf, offset - 1); \ +} \ +static ssize_t show_fan_##offset##_div (struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ +return show_fan_div(dev, buf, offset - 1); \ +} \ +static ssize_t show_fan_##offset##_min (struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ +return show_fan_min(dev, buf, offset - 1); \ +} \ +static ssize_t set_fan_##offset##_min (struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ +return set_fan_min(dev, buf, count, offset - 1); \ +} \ +static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ + show_fan_##offset, NULL); \ +static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \ + show_fan_##offset##_div, NULL); \ +static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + show_fan_##offset##_min, set_fan_##offset##_min); + +show_fan_offset(1); +show_fan_offset(2); + +/* alarms */ +static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%u\n", data->alarms); +} +static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); + +/* vid */ +static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); +} +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); + +/* analog output */ +static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm9240_data *data = adm9240_update_device(dev); + return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout)); +} + +static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->aout = AOUT_TO_REG(val); + adm9240_write_value(client, ADM9240_REG_ANALOG_OUT, data->aout); + up(&data->update_lock); + return count; +} +static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); + +/* chassis_clear */ +static ssize_t chassis_clear(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + unsigned long val = simple_strtol(buf, NULL, 10); + + if (val == 1) { + adm9240_write_value(client, ADM9240_REG_CHASSIS_CLEAR, 0x80); + dev_dbg(&client->dev, "chassis intrusion latch cleared\n"); + } + return count; +} +static DEVICE_ATTR(chassis_clear, S_IWUSR, NULL, chassis_clear); + + +/*** sensor chip detect and driver install ***/ + +static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *new_client; + struct adm9240_data *data; + int err = 0; + const char *name = ""; + u8 man_id, die_rev; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + goto exit; + + if (!(data = kmalloc(sizeof(struct adm9240_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + memset(data, 0, sizeof(struct adm9240_data)); + + new_client = &data->client; + i2c_set_clientdata(new_client, data); + new_client->addr = address; + new_client->adapter = adapter; + new_client->driver = &adm9240_driver; + new_client->flags = 0; + + if (kind == 0) { + kind = adm9240; + } + + if (kind < 0) { + + /* verify chip: reg address should match i2c address */ + if (adm9240_read_value(new_client, ADM9240_REG_I2C_ADDR) + != address) { + dev_err(&adapter->dev, "detect fail: address match, " + "0x%02x\n", address); + goto exit_free; + } + + /* check known chip manufacturer */ + man_id = adm9240_read_value(new_client, ADM9240_REG_MAN_ID); + + if (man_id == 0x23) { + kind = adm9240; + } else if (man_id == 0xda) { + kind = ds1780; + } else if (man_id == 0x01) { + kind = lm81; + } else { + dev_err(&adapter->dev, "detect fail: unknown manuf, " + "0x%02x\n", man_id); + goto exit_free; + } + + /* successful detect, print chip info */ + die_rev = adm9240_read_value(new_client, ADM9240_REG_DIE_REV); + dev_info(&adapter->dev, "found %s revision %u\n", + man_id == 0x23 ? "ADM9240" : + man_id == 0xda ? "DS1780" : "LM81", die_rev); + } + + /* either forced or detected chip kind */ + if (kind == adm9240) { + name = "adm9240"; + } else if (kind == ds1780) { + name = "ds1780"; + } else if (kind == lm81) { + name = "lm81"; + } + + /* fill in the remaining client fields and attach */ + strlcpy(new_client->name, name, I2C_NAME_SIZE); + data->type = kind; + init_MUTEX(&data->update_lock); + + if ((err = i2c_attach_client(new_client))) + goto exit_free; + + adm9240_init_client(new_client); + + /* populate sysfs filesystem */ + device_create_file(&new_client->dev, &dev_attr_in0_input); + device_create_file(&new_client->dev, &dev_attr_in0_min); + device_create_file(&new_client->dev, &dev_attr_in0_max); + device_create_file(&new_client->dev, &dev_attr_in1_input); + device_create_file(&new_client->dev, &dev_attr_in1_min); + device_create_file(&new_client->dev, &dev_attr_in1_max); + device_create_file(&new_client->dev, &dev_attr_in2_input); + device_create_file(&new_client->dev, &dev_attr_in2_min); + device_create_file(&new_client->dev, &dev_attr_in2_max); + device_create_file(&new_client->dev, &dev_attr_in3_input); + device_create_file(&new_client->dev, &dev_attr_in3_min); + device_create_file(&new_client->dev, &dev_attr_in3_max); + device_create_file(&new_client->dev, &dev_attr_in4_input); + device_create_file(&new_client->dev, &dev_attr_in4_min); + device_create_file(&new_client->dev, &dev_attr_in4_max); + device_create_file(&new_client->dev, &dev_attr_in5_input); + device_create_file(&new_client->dev, &dev_attr_in5_min); + device_create_file(&new_client->dev, &dev_attr_in5_max); + device_create_file(&new_client->dev, &dev_attr_temp1_max); + device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst); + device_create_file(&new_client->dev, &dev_attr_temp1_input); + device_create_file(&new_client->dev, &dev_attr_fan1_input); + device_create_file(&new_client->dev, &dev_attr_fan1_div); + device_create_file(&new_client->dev, &dev_attr_fan1_min); + device_create_file(&new_client->dev, &dev_attr_fan2_input); + device_create_file(&new_client->dev, &dev_attr_fan2_div); + device_create_file(&new_client->dev, &dev_attr_fan2_min); + device_create_file(&new_client->dev, &dev_attr_alarms); + device_create_file(&new_client->dev, &dev_attr_aout_output); + device_create_file(&new_client->dev, &dev_attr_chassis_clear); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); + + return 0; +exit_free: + kfree(new_client); +exit: + return err; +} + +static int adm9240_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_detect(adapter, &addr_data, adm9240_detect); +} + +static int adm9240_detach_client(struct i2c_client *client) +{ + int err; + + if ((err = i2c_detach_client(client))) { + dev_err(&client->dev, "Client deregistration failed, " + "client not detached.\n"); + return err; + } + + kfree(i2c_get_clientdata(client)); + return 0; +} + +static void adm9240_init_client(struct i2c_client *client) +{ + struct adm9240_data *data = i2c_get_clientdata(client); + u8 conf = adm9240_read_value(client, ADM9240_REG_CONFIG); + u8 mode = adm9240_read_value(client, ADM9240_REG_TEMP_CONF) & 3; + + data->vrm = i2c_which_vrm(); /* need this to report vid as mV */ + + dev_info(&client->dev, "Using VRM: %d.%d\n", data->vrm / 10, + data->vrm % 10); + + if (conf & 1) { /* measurement cycle running: report state */ + + dev_info(&client->dev, "status: config 0x%02x mode %u\n", + conf, mode); + + } else { /* cold start: open limits before starting chip */ + int i; + + for (i = 0; i < 6; i++) + { + adm9240_write_value(client, + ADM9240_REG_IN_MIN(i), 0); + adm9240_write_value(client, + ADM9240_REG_IN_MAX(i), 255); + } + adm9240_write_value(client, ADM9240_REG_FAN_MIN(0), 255); + adm9240_write_value(client, ADM9240_REG_FAN_MIN(1), 255); + adm9240_write_value(client, ADM9240_REG_TEMP_HIGH, 127); + adm9240_write_value(client, ADM9240_REG_TEMP_HYST, 127); + + /* start measurement cycle */ + adm9240_write_value(client, ADM9240_REG_CONFIG, 1); + + dev_info(&client->dev, "cold start: config was 0x%02x " + "mode %u\n", conf, mode); + } +} + +static struct adm9240_data *adm9240_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm9240_data *data = i2c_get_clientdata(client); + int i; + + down(&data->update_lock); + + /* minimum measurement cycle: 1.75 seconds */ + if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4)) + || !data->valid) { + + for (i = 0; i < 6; i++) /* read voltages */ + { + data->in[i] = adm9240_read_value(client, + ADM9240_REG_IN(i)); + } + data->alarms = adm9240_read_value(client, + ADM9240_REG_INT(0)) | + adm9240_read_value(client, + ADM9240_REG_INT(1)) << 8; + + /* read temperature: assume temperature changes less than + * 0.5'C per two measurement cycles thus ignore possible + * but unlikely aliasing error on lsb reading. --Grant */ + data->temp = ((adm9240_read_value(client, + ADM9240_REG_TEMP) << 8) | + adm9240_read_value(client, + ADM9240_REG_TEMP_CONF)) / 128; + + for (i = 0; i < 2; i++) /* read fans */ + { + data->fan[i] = adm9240_read_value(client, + ADM9240_REG_FAN(i)); + + /* adjust fan clock divider on overflow */ + if (data->valid && data->fan[i] == 255 && + data->fan_div[i] < 3) { + + adm9240_write_fan_div(client, i, + ++data->fan_div[i]); + + /* adjust fan_min if active, but not to 0 */ + if (data->fan_min[i] < 255 && + data->fan_min[i] >= 2) + data->fan_min[i] /= 2; + } + } + data->last_updated_measure = jiffies; + } + + /* minimum config reading cycle: 300 seconds */ + if (time_after(jiffies, data->last_updated_config + (HZ * 300)) + || !data->valid) { + + for (i = 0; i < 6; i++) + { + data->in_min[i] = adm9240_read_value(client, + ADM9240_REG_IN_MIN(i)); + data->in_max[i] = adm9240_read_value(client, + ADM9240_REG_IN_MAX(i)); + } + for (i = 0; i < 2; i++) + { + data->fan_min[i] = adm9240_read_value(client, + ADM9240_REG_FAN_MIN(i)); + } + data->temp_high = adm9240_read_value(client, + ADM9240_REG_TEMP_HIGH); + data->temp_hyst = adm9240_read_value(client, + ADM9240_REG_TEMP_HYST); + + /* read fan divs and 5-bit VID */ + i = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV); + data->fan_div[0] = (i >> 4) & 3; + data->fan_div[1] = (i >> 6) & 3; + data->vid = i & 0x0f; + data->vid |= (adm9240_read_value(client, + ADM9240_REG_VID4) & 1) << 4; + /* read analog out */ + data->aout = adm9240_read_value(client, + ADM9240_REG_ANALOG_OUT); + + data->last_updated_config = jiffies; + data->valid = 1; + } + up(&data->update_lock); + return data; +} + +static int __init sensors_adm9240_init(void) +{ + return i2c_add_driver(&adm9240_driver); +} + +static void __exit sensors_adm9240_exit(void) +{ + i2c_del_driver(&adm9240_driver); +} + +MODULE_AUTHOR("Michiel Rook <michiel@grendelproject.nl>, " + "Grant Coady <gcoady@gmail.com> and others"); +MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_adm9240_init); +module_exit(sensors_adm9240_exit); + diff --git a/drivers/i2c/chips/asb100.c b/drivers/i2c/chips/asb100.c index 4a47b4493e3..70d996d6fe0 100644 --- a/drivers/i2c/chips/asb100.c +++ b/drivers/i2c/chips/asb100.c @@ -42,6 +42,7 @@ #include <linux/i2c-sensor.h> #include <linux/i2c-vid.h> #include <linux/init.h> +#include <linux/jiffies.h> #include "lm75.h" /* @@ -168,8 +169,6 @@ static int ASB100_PWM_FROM_REG(u8 reg) return reg * 16; } -#define ALARMS_FROM_REG(val) (val) - #define DIV_FROM_REG(val) (1 << (val)) /* FAN DIV: 1, 2, 4, or 8 (defaults to 2) @@ -556,7 +555,7 @@ device_create_file(&client->dev, &dev_attr_vrm); static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct asb100_data *data = asb100_update_device(dev); - return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->alarms)); + return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); diff --git a/drivers/i2c/chips/atxp1.c b/drivers/i2c/chips/atxp1.c new file mode 100644 index 00000000000..5c6597aa2c7 --- /dev/null +++ b/drivers/i2c/chips/atxp1.c @@ -0,0 +1,361 @@ +/* + atxp1.c - kernel module for setting CPU VID and general purpose + I/Os using the Attansic ATXP1 chip. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/i2c-sensor.h> +#include <linux/i2c-vid.h> + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("System voltages control via Attansic ATXP1"); +MODULE_VERSION("0.6.2"); +MODULE_AUTHOR("Sebastian Witt <se.witt@gmx.net>"); + +#define ATXP1_VID 0x00 +#define ATXP1_CVID 0x01 +#define ATXP1_GPIO1 0x06 +#define ATXP1_GPIO2 0x0a +#define ATXP1_VIDENA 0x20 +#define ATXP1_VIDMASK 0x1f +#define ATXP1_GPIO1MASK 0x0f + +static unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END }; +static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END }; + +SENSORS_INSMOD_1(atxp1); + +static int atxp1_attach_adapter(struct i2c_adapter * adapter); +static int atxp1_detach_client(struct i2c_client * client); +static struct atxp1_data * atxp1_update_device(struct device *dev); +static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind); + +static struct i2c_driver atxp1_driver = { + .owner = THIS_MODULE, + .name = "atxp1", + .flags = I2C_DF_NOTIFY, + .attach_adapter = atxp1_attach_adapter, + .detach_client = atxp1_detach_client, +}; + +struct atxp1_data { + struct i2c_client client; + struct semaphore update_lock; + unsigned long last_updated; + u8 valid; + struct { + u8 vid; /* VID output register */ + u8 cpu_vid; /* VID input from CPU */ + u8 gpio1; /* General purpose I/O register 1 */ + u8 gpio2; /* General purpose I/O register 2 */ + } reg; + u8 vrm; /* Detected CPU VRM */ +}; + +static struct atxp1_data * atxp1_update_device(struct device *dev) +{ + struct i2c_client *client; + struct atxp1_data *data; + + client = to_i2c_client(dev); + data = i2c_get_clientdata(client); + + down(&data->update_lock); + + if ((jiffies - data->last_updated > HZ) || + (jiffies < data->last_updated) || + !data->valid) { + + /* Update local register data */ + data->reg.vid = i2c_smbus_read_byte_data(client, ATXP1_VID); + data->reg.cpu_vid = i2c_smbus_read_byte_data(client, ATXP1_CVID); + data->reg.gpio1 = i2c_smbus_read_byte_data(client, ATXP1_GPIO1); + data->reg.gpio2 = i2c_smbus_read_byte_data(client, ATXP1_GPIO2); + + data->valid = 1; + } + + up(&data->update_lock); + + return(data); +} + +/* sys file functions for cpu0_vid */ +static ssize_t atxp1_showvcore(struct device *dev, struct device_attribute *attr, char *buf) +{ + int size; + struct atxp1_data *data; + + data = atxp1_update_device(dev); + + size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK, data->vrm)); + + return size; +} + +static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct atxp1_data *data; + struct i2c_client *client; + char vid; + char cvid; + unsigned int vcore; + + client = to_i2c_client(dev); + data = atxp1_update_device(dev); + + vcore = simple_strtoul(buf, NULL, 10); + vcore /= 25; + vcore *= 25; + + /* Calculate VID */ + vid = vid_to_reg(vcore, data->vrm); + + if (vid < 0) { + dev_err(dev, "VID calculation failed.\n"); + return -1; + } + + /* If output enabled, use control register value. Otherwise original CPU VID */ + if (data->reg.vid & ATXP1_VIDENA) + cvid = data->reg.vid & ATXP1_VIDMASK; + else + cvid = data->reg.cpu_vid; + + /* Nothing changed, aborting */ + if (vid == cvid) + return count; + + dev_info(dev, "Setting VCore to %d mV (0x%02x)\n", vcore, vid); + + /* Write every 25 mV step to increase stability */ + if (cvid > vid) { + for (; cvid >= vid; cvid--) { + i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA); + } + } + else { + for (; cvid <= vid; cvid++) { + i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA); + } + } + + data->valid = 0; + + return count; +} + +/* CPU core reference voltage + unit: millivolt +*/ +static DEVICE_ATTR(cpu0_vid, S_IRUGO | S_IWUSR, atxp1_showvcore, atxp1_storevcore); + +/* sys file functions for GPIO1 */ +static ssize_t atxp1_showgpio1(struct device *dev, struct device_attribute *attr, char *buf) +{ + int size; + struct atxp1_data *data; + + data = atxp1_update_device(dev); + + size = sprintf(buf, "0x%02x\n", data->reg.gpio1 & ATXP1_GPIO1MASK); + + return size; +} + +static ssize_t atxp1_storegpio1(struct device *dev, struct device_attribute *attr, const char*buf, size_t count) +{ + struct atxp1_data *data; + struct i2c_client *client; + unsigned int value; + + client = to_i2c_client(dev); + data = atxp1_update_device(dev); + + value = simple_strtoul(buf, NULL, 16); + + value &= ATXP1_GPIO1MASK; + + if (value != (data->reg.gpio1 & ATXP1_GPIO1MASK)) { + dev_info(dev, "Writing 0x%x to GPIO1.\n", value); + + i2c_smbus_write_byte_data(client, ATXP1_GPIO1, value); + + data->valid = 0; + } + + return count; +} + +/* GPIO1 data register + unit: Four bit as hex (e.g. 0x0f) +*/ +static DEVICE_ATTR(gpio1, S_IRUGO | S_IWUSR, atxp1_showgpio1, atxp1_storegpio1); + +/* sys file functions for GPIO2 */ +static ssize_t atxp1_showgpio2(struct device *dev, struct device_attribute *attr, char *buf) +{ + int size; + struct atxp1_data *data; + + data = atxp1_update_device(dev); + + size = sprintf(buf, "0x%02x\n", data->reg.gpio2); + + return size; +} + +static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct atxp1_data *data; + struct i2c_client *client; + unsigned int value; + + client = to_i2c_client(dev); + data = atxp1_update_device(dev); + + value = simple_strtoul(buf, NULL, 16) & 0xff; + + if (value != data->reg.gpio2) { + dev_info(dev, "Writing 0x%x to GPIO1.\n", value); + + i2c_smbus_write_byte_data(client, ATXP1_GPIO2, value); + + data->valid = 0; + } + + return count; +} + +/* GPIO2 data register + unit: Eight bit as hex (e.g. 0xff) +*/ +static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2); + + +static int atxp1_attach_adapter(struct i2c_adapter *adapter) +{ + return i2c_detect(adapter, &addr_data, &atxp1_detect); +}; + +static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client * new_client; + struct atxp1_data * data; + int err = 0; + u8 temp; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + goto exit; + + if (!(data = kmalloc(sizeof(struct atxp1_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + + memset(data, 0, sizeof(struct atxp1_data)); + new_client = &data->client; + i2c_set_clientdata(new_client, data); + + new_client->addr = address; + new_client->adapter = adapter; + new_client->driver = &atxp1_driver; + new_client->flags = 0; + + /* Detect ATXP1, checking if vendor ID registers are all zero */ + if (!((i2c_smbus_read_byte_data(new_client, 0x3e) == 0) && + (i2c_smbus_read_byte_data(new_client, 0x3f) == 0) && + (i2c_smbus_read_byte_data(new_client, 0xfe) == 0) && + (i2c_smbus_read_byte_data(new_client, 0xff) == 0) )) { + + /* No vendor ID, now checking if registers 0x10,0x11 (non-existent) + * showing the same as register 0x00 */ + temp = i2c_smbus_read_byte_data(new_client, 0x00); + + if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) && + (i2c_smbus_read_byte_data(new_client, 0x11) == temp) )) + goto exit_free; + } + + /* Get VRM */ + data->vrm = i2c_which_vrm(); + + if ((data->vrm != 90) && (data->vrm != 91)) { + dev_err(&new_client->dev, "Not supporting VRM %d.%d\n", + data->vrm / 10, data->vrm % 10); + goto exit_free; + } + + strncpy(new_client->name, "atxp1", I2C_NAME_SIZE); + + data->valid = 0; + + init_MUTEX(&data->update_lock); + + err = i2c_attach_client(new_client); + + if (err) + { + dev_err(&new_client->dev, "Attach client error.\n"); + goto exit_free; + } + + device_create_file(&new_client->dev, &dev_attr_gpio1); + device_create_file(&new_client->dev, &dev_attr_gpio2); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); + + dev_info(&new_client->dev, "Using VRM: %d.%d\n", + data->vrm / 10, data->vrm % 10); + + return 0; + +exit_free: + kfree(data); +exit: + return err; +}; + +static int atxp1_detach_client(struct i2c_client * client) +{ + int err; + + err = i2c_detach_client(client); + + if (err) + dev_err(&client->dev, "Failed to detach client.\n"); + else + kfree(i2c_get_clientdata(client)); + + return err; +}; + +static int __init atxp1_init(void) +{ + return i2c_add_driver(&atxp1_driver); +}; + +static void __exit atxp1_exit(void) +{ + i2c_del_driver(&atxp1_driver); +}; + +module_init(atxp1_init); +module_exit(atxp1_exit); diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c index 07f16c3fb08..74ece8ac1c2 100644 --- a/drivers/i2c/chips/ds1337.c +++ b/drivers/i2c/chips/ds1337.c @@ -3,17 +3,16 @@ * * Copyright (C) 2005 James Chapman <jchapman@katalix.com> * - * based on linux/drivers/acron/char/pcf8583.c + * based on linux/drivers/acorn/char/pcf8583.c * Copyright (C) 2000 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Driver for Dallas Semiconductor DS1337 real time clock chip + * Driver for Dallas Semiconductor DS1337 and DS1339 real time clock chip */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -69,13 +68,11 @@ static struct i2c_driver ds1337_driver = { struct ds1337_data { struct i2c_client client; struct list_head list; - int id; }; /* * Internal variables */ -static int ds1337_id; static LIST_HEAD(ds1337_clients); static inline int ds1337_read(struct i2c_client *client, u8 reg, u8 *value) @@ -95,7 +92,6 @@ static inline int ds1337_read(struct i2c_client *client, u8 reg, u8 *value) */ static int ds1337_get_datetime(struct i2c_client *client, struct rtc_time *dt) { - struct ds1337_data *data = i2c_get_clientdata(client); int result; u8 buf[7]; u8 val; @@ -103,9 +99,7 @@ static int ds1337_get_datetime(struct i2c_client *client, struct rtc_time *dt) u8 offs = 0; if (!dt) { - dev_dbg(&client->adapter->dev, "%s: EINVAL: dt=NULL\n", - __FUNCTION__); - + dev_dbg(&client->dev, "%s: EINVAL: dt=NULL\n", __FUNCTION__); return -EINVAL; } @@ -119,98 +113,86 @@ static int ds1337_get_datetime(struct i2c_client *client, struct rtc_time *dt) msg[1].len = sizeof(buf); msg[1].buf = &buf[0]; - result = client->adapter->algo->master_xfer(client->adapter, - &msg[0], 2); + result = i2c_transfer(client->adapter, msg, 2); - dev_dbg(&client->adapter->dev, - "%s: [%d] %02x %02x %02x %02x %02x %02x %02x\n", + dev_dbg(&client->dev, "%s: [%d] %02x %02x %02x %02x %02x %02x %02x\n", __FUNCTION__, result, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); - if (result >= 0) { - dt->tm_sec = BCD_TO_BIN(buf[0]); - dt->tm_min = BCD_TO_BIN(buf[1]); + if (result == 2) { + dt->tm_sec = BCD2BIN(buf[0]); + dt->tm_min = BCD2BIN(buf[1]); val = buf[2] & 0x3f; - dt->tm_hour = BCD_TO_BIN(val); - dt->tm_wday = BCD_TO_BIN(buf[3]) - 1; - dt->tm_mday = BCD_TO_BIN(buf[4]); + dt->tm_hour = BCD2BIN(val); + dt->tm_wday = BCD2BIN(buf[3]) - 1; + dt->tm_mday = BCD2BIN(buf[4]); val = buf[5] & 0x7f; - dt->tm_mon = BCD_TO_BIN(val); - dt->tm_year = 1900 + BCD_TO_BIN(buf[6]); + dt->tm_mon = BCD2BIN(val) - 1; + dt->tm_year = BCD2BIN(buf[6]); if (buf[5] & 0x80) dt->tm_year += 100; - dev_dbg(&client->adapter->dev, "%s: secs=%d, mins=%d, " + dev_dbg(&client->dev, "%s: secs=%d, mins=%d, " "hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n", __FUNCTION__, dt->tm_sec, dt->tm_min, dt->tm_hour, dt->tm_mday, dt->tm_mon, dt->tm_year, dt->tm_wday); - } else { - dev_err(&client->adapter->dev, "ds1337[%d]: error reading " - "data! %d\n", data->id, result); - result = -EIO; + + return 0; } - return result; + dev_err(&client->dev, "error reading data! %d\n", result); + return -EIO; } static int ds1337_set_datetime(struct i2c_client *client, struct rtc_time *dt) { - struct ds1337_data *data = i2c_get_clientdata(client); int result; u8 buf[8]; u8 val; struct i2c_msg msg[1]; if (!dt) { - dev_dbg(&client->adapter->dev, "%s: EINVAL: dt=NULL\n", - __FUNCTION__); - + dev_dbg(&client->dev, "%s: EINVAL: dt=NULL\n", __FUNCTION__); return -EINVAL; } - dev_dbg(&client->adapter->dev, "%s: secs=%d, mins=%d, hours=%d, " + dev_dbg(&client->dev, "%s: secs=%d, mins=%d, hours=%d, " "mday=%d, mon=%d, year=%d, wday=%d\n", __FUNCTION__, dt->tm_sec, dt->tm_min, dt->tm_hour, dt->tm_mday, dt->tm_mon, dt->tm_year, dt->tm_wday); buf[0] = 0; /* reg offset */ - buf[1] = BIN_TO_BCD(dt->tm_sec); - buf[2] = BIN_TO_BCD(dt->tm_min); - buf[3] = BIN_TO_BCD(dt->tm_hour) | (1 << 6); - buf[4] = BIN_TO_BCD(dt->tm_wday) + 1; - buf[5] = BIN_TO_BCD(dt->tm_mday); - buf[6] = BIN_TO_BCD(dt->tm_mon); - if (dt->tm_year >= 2000) { - val = dt->tm_year - 2000; + buf[1] = BIN2BCD(dt->tm_sec); + buf[2] = BIN2BCD(dt->tm_min); + buf[3] = BIN2BCD(dt->tm_hour) | (1 << 6); + buf[4] = BIN2BCD(dt->tm_wday) + 1; + buf[5] = BIN2BCD(dt->tm_mday); + buf[6] = BIN2BCD(dt->tm_mon) + 1; + val = dt->tm_year; + if (val >= 100) { + val -= 100; buf[6] |= (1 << 7); - } else { - val = dt->tm_year - 1900; } - buf[7] = BIN_TO_BCD(val); + buf[7] = BIN2BCD(val); msg[0].addr = client->addr; msg[0].flags = 0; msg[0].len = sizeof(buf); msg[0].buf = &buf[0]; - result = client->adapter->algo->master_xfer(client->adapter, - &msg[0], 1); - if (result < 0) { - dev_err(&client->adapter->dev, "ds1337[%d]: error " - "writing data! %d\n", data->id, result); - result = -EIO; - } else { - result = 0; - } + result = i2c_transfer(client->adapter, msg, 1); + if (result == 1) + return 0; - return result; + dev_err(&client->dev, "error writing data! %d\n", result); + return -EIO; } static int ds1337_command(struct i2c_client *client, unsigned int cmd, void *arg) { - dev_dbg(&client->adapter->dev, "%s: cmd=%d\n", __FUNCTION__, cmd); + dev_dbg(&client->dev, "%s: cmd=%d\n", __FUNCTION__, cmd); switch (cmd) { case DS1337_GET_DATE: @@ -228,7 +210,7 @@ static int ds1337_command(struct i2c_client *client, unsigned int cmd, * Public API for access to specific device. Useful for low-level * RTC access from kernel code. */ -int ds1337_do_command(int id, int cmd, void *arg) +int ds1337_do_command(int bus, int cmd, void *arg) { struct list_head *walk; struct list_head *tmp; @@ -236,7 +218,7 @@ int ds1337_do_command(int id, int cmd, void *arg) list_for_each_safe(walk, tmp, &ds1337_clients) { data = list_entry(walk, struct ds1337_data, list); - if (data->id == id) + if (data->client.adapter->nr == bus) return ds1337_command(&data->client, cmd, arg); } @@ -346,7 +328,6 @@ static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind) ds1337_init_client(new_client); /* Add client to local list */ - data->id = ds1337_id++; list_add(&data->list, &ds1337_clients); return 0; @@ -398,5 +379,7 @@ MODULE_AUTHOR("James Chapman <jchapman@katalix.com>"); MODULE_DESCRIPTION("DS1337 RTC driver"); MODULE_LICENSE("GPL"); +EXPORT_SYMBOL_GPL(ds1337_do_command); + module_init(ds1337_init); module_exit(ds1337_exit); diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c new file mode 100644 index 00000000000..a445736d883 --- /dev/null +++ b/drivers/i2c/chips/ds1374.c @@ -0,0 +1,260 @@ +/* + * drivers/i2c/chips/ds1374.c + * + * I2C client/driver for the Maxim/Dallas DS1374 Real-Time Clock + * + * Author: Randy Vinson <rvinson@mvista.com> + * + * Based on the m41t00.c by Mark Greer <mgreer@mvista.com> + * + * 2005 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +/* + * This i2c client/driver wedges between the drivers/char/genrtc.c RTC + * interface and the SMBus interface of the i2c subsystem. + * It would be more efficient to use i2c msgs/i2c_transfer directly but, as + * recommened in .../Documentation/i2c/writing-clients section + * "Sending and receiving", using SMBus level communication is preferred. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/rtc.h> +#include <linux/bcd.h> + +#define DS1374_REG_TOD0 0x00 +#define DS1374_REG_TOD1 0x01 +#define DS1374_REG_TOD2 0x02 +#define DS1374_REG_TOD3 0x03 +#define DS1374_REG_WDALM0 0x04 +#define DS1374_REG_WDALM1 0x05 +#define DS1374_REG_WDALM2 0x06 +#define DS1374_REG_CR 0x07 +#define DS1374_REG_SR 0x08 +#define DS1374_REG_SR_OSF 0x80 +#define DS1374_REG_TCR 0x09 + +#define DS1374_DRV_NAME "ds1374" + +static DECLARE_MUTEX(ds1374_mutex); + +static struct i2c_driver ds1374_driver; +static struct i2c_client *save_client; + +static unsigned short ignore[] = { I2C_CLIENT_END }; +static unsigned short normal_addr[] = { 0x68, I2C_CLIENT_END }; + +static struct i2c_client_address_data addr_data = { + .normal_i2c = normal_addr, + .probe = ignore, + .ignore = ignore, + .force = ignore, +}; + +static ulong ds1374_read_rtc(void) +{ + ulong time = 0; + int reg = DS1374_REG_WDALM0; + + while (reg--) { + s32 tmp; + if ((tmp = i2c_smbus_read_byte_data(save_client, reg)) < 0) { + dev_warn(&save_client->dev, + "can't read from rtc chip\n"); + return 0; + } + time = (time << 8) | (tmp & 0xff); + } + return time; +} + +static void ds1374_write_rtc(ulong time) +{ + int reg; + + for (reg = DS1374_REG_TOD0; reg < DS1374_REG_WDALM0; reg++) { + if (i2c_smbus_write_byte_data(save_client, reg, time & 0xff) + < 0) { + dev_warn(&save_client->dev, + "can't write to rtc chip\n"); + break; + } + time = time >> 8; + } +} + +static void ds1374_check_rtc_status(void) +{ + s32 tmp; + + tmp = i2c_smbus_read_byte_data(save_client, DS1374_REG_SR); + if (tmp < 0) { + dev_warn(&save_client->dev, + "can't read status from rtc chip\n"); + return; + } + if (tmp & DS1374_REG_SR_OSF) { + dev_warn(&save_client->dev, + "oscillator discontinuity flagged, time unreliable\n"); + tmp &= ~DS1374_REG_SR_OSF; + tmp = i2c_smbus_write_byte_data(save_client, DS1374_REG_SR, + tmp & 0xff); + if (tmp < 0) + dev_warn(&save_client->dev, + "can't clear discontinuity notification\n"); + } +} + +ulong ds1374_get_rtc_time(void) +{ + ulong t1, t2; + int limit = 10; /* arbitrary retry limit */ + + down(&ds1374_mutex); + + /* + * Since the reads are being performed one byte at a time using + * the SMBus vs a 4-byte i2c transfer, there is a chance that a + * carry will occur during the read. To detect this, 2 reads are + * performed and compared. + */ + do { + t1 = ds1374_read_rtc(); + t2 = ds1374_read_rtc(); + } while (t1 != t2 && limit--); + + up(&ds1374_mutex); + + if (t1 != t2) { + dev_warn(&save_client->dev, + "can't get consistent time from rtc chip\n"); + t1 = 0; + } + + return t1; +} + +static void ds1374_set_tlet(ulong arg) +{ + ulong t1, t2; + int limit = 10; /* arbitrary retry limit */ + + t1 = *(ulong *) arg; + + down(&ds1374_mutex); + + /* + * Since the writes are being performed one byte at a time using + * the SMBus vs a 4-byte i2c transfer, there is a chance that a + * carry will occur during the write. To detect this, the write + * value is read back and compared. + */ + do { + ds1374_write_rtc(t1); + t2 = ds1374_read_rtc(); + } while (t1 != t2 && limit--); + + up(&ds1374_mutex); + + if (t1 != t2) + dev_warn(&save_client->dev, + "can't confirm time set from rtc chip\n"); +} + +ulong new_time; + +DECLARE_TASKLET_DISABLED(ds1374_tasklet, ds1374_set_tlet, (ulong) & new_time); + +int ds1374_set_rtc_time(ulong nowtime) +{ + new_time = nowtime; + + if (in_interrupt()) + tasklet_schedule(&ds1374_tasklet); + else + ds1374_set_tlet((ulong) & new_time); + + return 0; +} + +/* + ***************************************************************************** + * + * Driver Interface + * + ***************************************************************************** + */ +static int ds1374_probe(struct i2c_adapter *adap, int addr, int kind) +{ + struct i2c_client *client; + int rc; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (!client) + return -ENOMEM; + + memset(client, 0, sizeof(struct i2c_client)); + strncpy(client->name, DS1374_DRV_NAME, I2C_NAME_SIZE); + client->flags = I2C_DF_NOTIFY; + client->addr = addr; + client->adapter = adap; + client->driver = &ds1374_driver; + + if ((rc = i2c_attach_client(client)) != 0) { + kfree(client); + return rc; + } + + save_client = client; + + ds1374_check_rtc_status(); + + return 0; +} + +static int ds1374_attach(struct i2c_adapter *adap) +{ + return i2c_probe(adap, &addr_data, ds1374_probe); +} + +static int ds1374_detach(struct i2c_client *client) +{ + int rc; + + if ((rc = i2c_detach_client(client)) == 0) { + kfree(i2c_get_clientdata(client)); + tasklet_kill(&ds1374_tasklet); + } + return rc; +} + +static struct i2c_driver ds1374_driver = { + .owner = THIS_MODULE, + .name = DS1374_DRV_NAME, + .id = I2C_DRIVERID_DS1374, + .flags = I2C_DF_NOTIFY, + .attach_adapter = ds1374_attach, + .detach_client = ds1374_detach, +}; + +static int __init ds1374_init(void) +{ + return i2c_add_driver(&ds1374_driver); +} + +static void __exit ds1374_exit(void) +{ + i2c_del_driver(&ds1374_driver); +} + +module_init(ds1374_init); +module_exit(ds1374_exit); + +MODULE_AUTHOR("Randy Vinson <rvinson@mvista.com>"); +MODULE_DESCRIPTION("Maxim/Dallas DS1374 RTC I2C Client Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/chips/ds1621.c b/drivers/i2c/chips/ds1621.c index 4ae15bd5dcf..5360d58804f 100644 --- a/drivers/i2c/chips/ds1621.c +++ b/drivers/i2c/chips/ds1621.c @@ -121,7 +121,7 @@ static int ds1621_write_value(struct i2c_client *client, u8 reg, u16 value) static void ds1621_init_client(struct i2c_client *client) { int reg = ds1621_read_value(client, DS1621_REG_CONF); - /* switch to continous conversion mode */ + /* switch to continuous conversion mode */ reg &= ~ DS1621_REG_CONFIG_1SHOT; /* setup output polarity */ @@ -303,7 +303,7 @@ static struct ds1621_data *ds1621_update_client(struct device *dev) data->temp_max = ds1621_read_value(client, DS1621_REG_TEMP_MAX); - /* reset alarms if neccessary */ + /* reset alarms if necessary */ new_conf = data->conf; if (data->temp < data->temp_min) new_conf &= ~DS1621_ALARM_TEMP_LOW; diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c index cbdfa2db6f7..addf0adc24d 100644 --- a/drivers/i2c/chips/eeprom.c +++ b/drivers/i2c/chips/eeprom.c @@ -26,7 +26,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> diff --git a/drivers/i2c/chips/fscher.c b/drivers/i2c/chips/fscher.c index c3f37dbec11..da411741c2c 100644 --- a/drivers/i2c/chips/fscher.c +++ b/drivers/i2c/chips/fscher.c @@ -26,7 +26,6 @@ * and Philip Edelbrock <phil@netroedge.com> */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/gl518sm.c b/drivers/i2c/chips/gl518sm.c index 4316a156225..6bedf729dcf 100644 --- a/drivers/i2c/chips/gl518sm.c +++ b/drivers/i2c/chips/gl518sm.c @@ -36,7 +36,6 @@ * 2004-01-31 Code review and approval. (Jean Delvare) */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 7f29a8aff16..354a2629567 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -145,7 +145,6 @@ static inline void notresponding(struct isp1301 *isp) static unsigned short normal_i2c[] = { ISP_BASE, ISP_BASE + 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; I2C_CLIENT_INSMOD; diff --git a/drivers/i2c/chips/it87.c b/drivers/i2c/chips/it87.c index 007bdf9e7e2..db20c9e4739 100644 --- a/drivers/i2c/chips/it87.c +++ b/drivers/i2c/chips/it87.c @@ -31,7 +31,6 @@ type at module load time. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -39,6 +38,7 @@ #include <linux/i2c.h> #include <linux/i2c-sensor.h> #include <linux/i2c-vid.h> +#include <linux/hwmon-sysfs.h> #include <asm/io.h> @@ -173,8 +173,6 @@ static inline u8 FAN_TO_REG(long rpm, int div) ((val)+500)/1000),-128,127)) #define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000) -#define ALARMS_FROM_REG(val) (val) - #define PWM_TO_REG(val) ((val) >> 1) #define PWM_FROM_REG(val) (((val)&0x7f) << 1) @@ -241,27 +239,42 @@ static struct i2c_driver it87_driver = { .detach_client = it87_detach_client, }; -static ssize_t show_in(struct device *dev, char *buf, int nr) +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr])); } -static ssize_t show_in_min(struct device *dev, char *buf, int nr) +static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr])); } -static ssize_t show_in_max(struct device *dev, char *buf, int nr) +static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr])); } -static ssize_t set_in_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); @@ -273,9 +286,12 @@ static ssize_t set_in_min(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_in_max(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); @@ -289,38 +305,14 @@ static ssize_t set_in_max(struct device *dev, const char *buf, } #define show_in_offset(offset) \ -static ssize_t \ - show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in(dev, buf, offset); \ -} \ -static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); +static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ + show_in, NULL, offset); #define limit_in_offset(offset) \ -static ssize_t \ - show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in_min(dev, buf, offset); \ -} \ -static ssize_t \ - show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_in_max(dev, buf, offset); \ -} \ -static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_in_min(dev, buf, count, offset); \ -} \ -static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_in_max(dev, buf, count, offset); \ -} \ -static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ - show_in##offset##_min, set_in##offset##_min); \ -static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ - show_in##offset##_max, set_in##offset##_max); +static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ + show_in_min, set_in_min, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ + show_in_max, set_in_max, offset); show_in_offset(0); limit_in_offset(0); @@ -341,24 +333,39 @@ limit_in_offset(7); show_in_offset(8); /* 3 temperatures */ -static ssize_t show_temp(struct device *dev, char *buf, int nr) +static ssize_t show_temp(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); } -static ssize_t show_temp_max(struct device *dev, char *buf, int nr) +static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])); } -static ssize_t show_temp_min(struct device *dev, char *buf, int nr) +static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr])); } -static ssize_t set_temp_max(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -369,9 +376,12 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_temp_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -383,42 +393,23 @@ static ssize_t set_temp_min(struct device *dev, const char *buf, return count; } #define show_temp_offset(offset) \ -static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp(dev, buf, offset - 1); \ -} \ -static ssize_t \ -show_temp_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp_max(dev, buf, offset - 1); \ -} \ -static ssize_t \ -show_temp_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_temp_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_temp_##offset##_max (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_max(dev, buf, count, offset - 1); \ -} \ -static ssize_t set_temp_##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_temp_min(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL); \ -static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_max, set_temp_##offset##_max); \ -static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_min, set_temp_##offset##_min); +static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ + show_temp, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ + show_temp_max, set_temp_max, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ + show_temp_min, set_temp_min, offset - 1); show_temp_offset(1); show_temp_offset(2); show_temp_offset(3); -static ssize_t show_sensor(struct device *dev, char *buf, int nr) +static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); u8 reg = data->sensor; /* In case the value is updated while we use it */ @@ -428,9 +419,12 @@ static ssize_t show_sensor(struct device *dev, char *buf, int nr) return sprintf(buf, "2\n"); /* thermistor */ return sprintf(buf, "0\n"); /* disabled */ } -static ssize_t set_sensor(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_sensor(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -453,53 +447,67 @@ static ssize_t set_sensor(struct device *dev, const char *buf, return count; } #define show_sensor_offset(offset) \ -static ssize_t show_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_sensor(dev, buf, offset - 1); \ -} \ -static ssize_t set_sensor_##offset (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_sensor(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ - show_sensor_##offset, set_sensor_##offset); +static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ + show_sensor, set_sensor, offset - 1); show_sensor_offset(1); show_sensor_offset(2); show_sensor_offset(3); /* 3 Fans */ -static ssize_t show_fan(struct device *dev, char *buf, int nr) +static ssize_t show_fan(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); } -static ssize_t show_fan_min(struct device *dev, char *buf, int nr) +static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]))); } -static ssize_t show_fan_div(struct device *dev, char *buf, int nr) +static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr])); } -static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) +static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf,"%d\n", (data->fan_main_ctrl & (1 << nr)) ? 1 : 0); } -static ssize_t show_pwm(struct device *dev, char *buf, int nr) +static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, + char *buf) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct it87_data *data = it87_update_device(dev); return sprintf(buf,"%d\n", data->manual_pwm_ctl[nr]); } -static ssize_t set_fan_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -510,9 +518,12 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_fan_div(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -550,9 +561,12 @@ static ssize_t set_fan_div(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_pwm_enable(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_pwm_enable(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -581,9 +595,12 @@ static ssize_t set_pwm_enable(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_pwm(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); struct it87_data *data = i2c_get_clientdata(client); int val = simple_strtol(buf, NULL, 10); @@ -599,64 +616,23 @@ static ssize_t set_pwm(struct device *dev, const char *buf, return count; } -#define show_fan_offset(offset) \ -static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_fan(dev, buf, offset - 1); \ -} \ -static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_fan_min(dev, buf, offset - 1); \ -} \ -static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_fan_div(dev, buf, offset - 1); \ -} \ -static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_fan_min(dev, buf, count, offset - 1); \ -} \ -static ssize_t set_fan_##offset##_div (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_fan_div(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL); \ -static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan_##offset##_min, set_fan_##offset##_min); \ -static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ - show_fan_##offset##_div, set_fan_##offset##_div); +#define show_fan_offset(offset) \ +static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ + show_fan, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + show_fan_min, set_fan_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ + show_fan_div, set_fan_div, offset - 1); show_fan_offset(1); show_fan_offset(2); show_fan_offset(3); #define show_pwm_offset(offset) \ -static ssize_t show_pwm##offset##_enable (struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - return show_pwm_enable(dev, buf, offset - 1); \ -} \ -static ssize_t show_pwm##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return show_pwm(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_enable (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_enable(dev, buf, count, offset - 1); \ -} \ -static ssize_t set_pwm##offset (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ - show_pwm##offset##_enable, \ - set_pwm##offset##_enable); \ -static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ - show_pwm##offset , set_pwm##offset ); +static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ + show_pwm_enable, set_pwm_enable, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ + show_pwm, set_pwm, offset - 1); show_pwm_offset(1); show_pwm_offset(2); @@ -666,7 +642,7 @@ show_pwm_offset(3); static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct it87_data *data = it87_update_device(dev); - return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms)); + return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); @@ -864,60 +840,60 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind) it87_init_client(new_client, data); /* Register sysfs hooks */ - device_create_file(&new_client->dev, &dev_attr_in0_input); - device_create_file(&new_client->dev, &dev_attr_in1_input); - device_create_file(&new_client->dev, &dev_attr_in2_input); - device_create_file(&new_client->dev, &dev_attr_in3_input); - device_create_file(&new_client->dev, &dev_attr_in4_input); - device_create_file(&new_client->dev, &dev_attr_in5_input); - device_create_file(&new_client->dev, &dev_attr_in6_input); - device_create_file(&new_client->dev, &dev_attr_in7_input); - device_create_file(&new_client->dev, &dev_attr_in8_input); - device_create_file(&new_client->dev, &dev_attr_in0_min); - device_create_file(&new_client->dev, &dev_attr_in1_min); - device_create_file(&new_client->dev, &dev_attr_in2_min); - device_create_file(&new_client->dev, &dev_attr_in3_min); - device_create_file(&new_client->dev, &dev_attr_in4_min); - device_create_file(&new_client->dev, &dev_attr_in5_min); - device_create_file(&new_client->dev, &dev_attr_in6_min); - device_create_file(&new_client->dev, &dev_attr_in7_min); - device_create_file(&new_client->dev, &dev_attr_in0_max); - device_create_file(&new_client->dev, &dev_attr_in1_max); - device_create_file(&new_client->dev, &dev_attr_in2_max); - device_create_file(&new_client->dev, &dev_attr_in3_max); - device_create_file(&new_client->dev, &dev_attr_in4_max); - device_create_file(&new_client->dev, &dev_attr_in5_max); - device_create_file(&new_client->dev, &dev_attr_in6_max); - device_create_file(&new_client->dev, &dev_attr_in7_max); - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp2_input); - device_create_file(&new_client->dev, &dev_attr_temp3_input); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp2_max); - device_create_file(&new_client->dev, &dev_attr_temp3_max); - device_create_file(&new_client->dev, &dev_attr_temp1_min); - device_create_file(&new_client->dev, &dev_attr_temp2_min); - device_create_file(&new_client->dev, &dev_attr_temp3_min); - device_create_file(&new_client->dev, &dev_attr_temp1_type); - device_create_file(&new_client->dev, &dev_attr_temp2_type); - device_create_file(&new_client->dev, &dev_attr_temp3_type); - device_create_file(&new_client->dev, &dev_attr_fan1_input); - device_create_file(&new_client->dev, &dev_attr_fan2_input); - device_create_file(&new_client->dev, &dev_attr_fan3_input); - device_create_file(&new_client->dev, &dev_attr_fan1_min); - device_create_file(&new_client->dev, &dev_attr_fan2_min); - device_create_file(&new_client->dev, &dev_attr_fan3_min); - device_create_file(&new_client->dev, &dev_attr_fan1_div); - device_create_file(&new_client->dev, &dev_attr_fan2_div); - device_create_file(&new_client->dev, &dev_attr_fan3_div); + device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_type.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_type.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_type.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_div.dev_attr); device_create_file(&new_client->dev, &dev_attr_alarms); if (enable_pwm_interface) { - device_create_file(&new_client->dev, &dev_attr_pwm1_enable); - device_create_file(&new_client->dev, &dev_attr_pwm2_enable); - device_create_file(&new_client->dev, &dev_attr_pwm3_enable); - device_create_file(&new_client->dev, &dev_attr_pwm1); - device_create_file(&new_client->dev, &dev_attr_pwm2); - device_create_file(&new_client->dev, &dev_attr_pwm3); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm1_enable.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm2_enable.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm3_enable.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm1.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm2.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_pwm3.dev_attr); } if (data->type == it8712) { @@ -954,7 +930,7 @@ static int it87_detach_client(struct i2c_client *client) return 0; } -/* The SMBus locks itself, but ISA access must be locked explicitely! +/* The SMBus locks itself, but ISA access must be locked explicitly! We don't want to lock the whole ISA bus, so we lock each client separately. We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks, @@ -974,7 +950,7 @@ static int it87_read_value(struct i2c_client *client, u8 reg) return i2c_smbus_read_byte_data(client, reg); } -/* The SMBus locks itself, but ISA access muse be locked explicitely! +/* The SMBus locks itself, but ISA access muse be locked explicitly! We don't want to lock the whole ISA bus, so we lock each client separately. We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks, diff --git a/drivers/i2c/chips/lm63.c b/drivers/i2c/chips/lm63.c index bc68e031392..7c6f9ea5a25 100644 --- a/drivers/i2c/chips/lm63.c +++ b/drivers/i2c/chips/lm63.c @@ -1,7 +1,7 @@ /* * lm63.c - driver for the National Semiconductor LM63 temperature sensor * with integrated fan control - * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004-2005 Jean Delvare <khali@linux-fr.org> * Based on the lm90 driver. * * The LM63 is a sensor chip made by National Semiconductor. It measures @@ -37,13 +37,13 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon-sysfs.h> /* * Addresses to scan @@ -99,9 +99,9 @@ SENSORS_INSMOD_1(lm63); * Conversions and various macros * For tachometer counts, the LM63 uses 16-bit values. * For local temperature and high limit, remote critical limit and hysteresis - * value, it uses signed 8-bit values with LSB = 1 degree Celcius. + * value, it uses signed 8-bit values with LSB = 1 degree Celsius. * For remote temperature, low and high limits, it uses signed 11-bit values - * with LSB = 0.125 degree Celcius, left-justified in 16-bit registers. + * with LSB = 0.125 degree Celsius, left-justified in 16-bit registers. */ #define FAN_FROM_REG(reg) ((reg) == 0xFFFC || (reg) == 0 ? 0 : \ @@ -158,16 +158,16 @@ struct lm63_data { /* registers values */ u8 config, config_fan; - u16 fan1_input; - u16 fan1_low; + u16 fan[2]; /* 0: input + 1: low limit */ u8 pwm1_freq; u8 pwm1_value; - s8 temp1_input; - s8 temp1_high; - s16 temp2_input; - s16 temp2_high; - s16 temp2_low; - s8 temp2_crit; + s8 temp8[3]; /* 0: local input + 1: local high limit + 2: remote critical limit */ + s16 temp11[3]; /* 0: remote input + 1: remote low limit + 2: remote high limit */ u8 temp2_crit_hyst; u8 alarms; }; @@ -176,33 +176,33 @@ struct lm63_data { * Sysfs callback functions and files */ -#define show_fan(value) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm63_data *data = lm63_update_device(dev); \ - return sprintf(buf, "%d\n", FAN_FROM_REG(data->value)); \ +static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm63_data *data = lm63_update_device(dev); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index])); } -show_fan(fan1_input); -show_fan(fan1_low); -static ssize_t set_fan1_low(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_fan(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct lm63_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); - data->fan1_low = FAN_TO_REG(val); + data->fan[1] = FAN_TO_REG(val); i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_LSB, - data->fan1_low & 0xFF); + data->fan[1] & 0xFF); i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_MSB, - data->fan1_low >> 8); + data->fan[1] >> 8); up(&data->update_lock); return count; } -static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_pwm1(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm63_data *data = lm63_update_device(dev); return sprintf(buf, "%d\n", data->pwm1_value >= 2 * data->pwm1_freq ? @@ -210,7 +210,8 @@ static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char (2 * data->pwm1_freq)); } -static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct lm63_data *data = i2c_get_clientdata(client); @@ -229,77 +230,83 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr, const return count; } -static ssize_t show_pwm1_enable(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_pwm1_enable(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm63_data *data = lm63_update_device(dev); return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2); } -#define show_temp8(value) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm63_data *data = lm63_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->value)); \ +static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm63_data *data = lm63_update_device(dev); + return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[attr->index])); } -#define show_temp11(value) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm63_data *data = lm63_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->value)); \ + +static ssize_t set_temp8(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm63_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp8[1] = TEMP8_TO_REG(val); + i2c_smbus_write_byte_data(client, LM63_REG_LOCAL_HIGH, data->temp8[1]); + up(&data->update_lock); + return count; } -show_temp8(temp1_input); -show_temp8(temp1_high); -show_temp11(temp2_input); -show_temp11(temp2_high); -show_temp11(temp2_low); -show_temp8(temp2_crit); - -#define set_temp8(value, reg) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm63_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - data->value = TEMP8_TO_REG(val); \ - i2c_smbus_write_byte_data(client, reg, data->value); \ - up(&data->update_lock); \ - return count; \ + +static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm63_data *data = lm63_update_device(dev); + return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[attr->index])); } -#define set_temp11(value, reg_msb, reg_lsb) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm63_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - data->value = TEMP11_TO_REG(val); \ - i2c_smbus_write_byte_data(client, reg_msb, data->value >> 8); \ - i2c_smbus_write_byte_data(client, reg_lsb, data->value & 0xff); \ - up(&data->update_lock); \ - return count; \ + +static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + static const u8 reg[4] = { + LM63_REG_REMOTE_LOW_MSB, + LM63_REG_REMOTE_LOW_LSB, + LM63_REG_REMOTE_HIGH_MSB, + LM63_REG_REMOTE_HIGH_LSB, + }; + + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct lm63_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->index; + + down(&data->update_lock); + data->temp11[nr] = TEMP11_TO_REG(val); + i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2], + data->temp11[nr] >> 8); + i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1], + data->temp11[nr] & 0xff); + up(&data->update_lock); + return count; } -set_temp8(temp1_high, LM63_REG_LOCAL_HIGH); -set_temp11(temp2_high, LM63_REG_REMOTE_HIGH_MSB, LM63_REG_REMOTE_HIGH_LSB); -set_temp11(temp2_low, LM63_REG_REMOTE_LOW_MSB, LM63_REG_REMOTE_LOW_LSB); /* Hysteresis register holds a relative value, while we want to present an absolute to user-space */ -static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm63_data *data = lm63_update_device(dev); - return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp2_crit) + return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[2]) - TEMP8_FROM_REG(data->temp2_crit_hyst)); } /* And now the other way around, user-space provides an absolute hysteresis value and we have to store a relative one */ -static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct lm63_data *data = i2c_get_clientdata(client); @@ -307,36 +314,37 @@ static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute * long hyst; down(&data->update_lock); - hyst = TEMP8_FROM_REG(data->temp2_crit) - val; + hyst = TEMP8_FROM_REG(data->temp8[2]) - val; i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST, HYST_TO_REG(hyst)); up(&data->update_lock); return count; } -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm63_data *data = lm63_update_device(dev); return sprintf(buf, "%u\n", data->alarms); } -static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan1_input, NULL); -static DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan1_low, - set_fan1_low); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan, + set_fan, 1); static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1); static DEVICE_ATTR(pwm1_enable, S_IRUGO, show_pwm1_enable, NULL); -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_high, - set_temp1_high); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8, + set_temp8, 1); -static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp2_input, NULL); -static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp2_low, - set_temp2_low); -static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp2_high, - set_temp2_high); -static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp2_crit, NULL); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11, + set_temp11, 1); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11, + set_temp11, 2); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp8, NULL, 2); static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp2_crit_hyst, set_temp2_crit_hyst); @@ -430,17 +438,25 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind) /* Register sysfs hooks */ if (data->config & 0x04) { /* tachometer enabled */ - device_create_file(&new_client->dev, &dev_attr_fan1_input); - device_create_file(&new_client->dev, &dev_attr_fan1_min); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_fan1_min.dev_attr); } device_create_file(&new_client->dev, &dev_attr_pwm1); device_create_file(&new_client->dev, &dev_attr_pwm1_enable); - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp2_input); - device_create_file(&new_client->dev, &dev_attr_temp2_min); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp2_max); - device_create_file(&new_client->dev, &dev_attr_temp2_crit); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_crit.dev_attr); device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst); device_create_file(&new_client->dev, &dev_attr_alarms); @@ -511,14 +527,14 @@ static struct lm63_data *lm63_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { if (data->config & 0x04) { /* tachometer enabled */ /* order matters for fan1_input */ - data->fan1_input = i2c_smbus_read_byte_data(client, - LM63_REG_TACH_COUNT_LSB) & 0xFC; - data->fan1_input |= i2c_smbus_read_byte_data(client, - LM63_REG_TACH_COUNT_MSB) << 8; - data->fan1_low = (i2c_smbus_read_byte_data(client, - LM63_REG_TACH_LIMIT_LSB) & 0xFC) - | (i2c_smbus_read_byte_data(client, - LM63_REG_TACH_LIMIT_MSB) << 8); + data->fan[0] = i2c_smbus_read_byte_data(client, + LM63_REG_TACH_COUNT_LSB) & 0xFC; + data->fan[0] |= i2c_smbus_read_byte_data(client, + LM63_REG_TACH_COUNT_MSB) << 8; + data->fan[1] = (i2c_smbus_read_byte_data(client, + LM63_REG_TACH_LIMIT_LSB) & 0xFC) + | (i2c_smbus_read_byte_data(client, + LM63_REG_TACH_LIMIT_MSB) << 8); } data->pwm1_freq = i2c_smbus_read_byte_data(client, @@ -528,26 +544,26 @@ static struct lm63_data *lm63_update_device(struct device *dev) data->pwm1_value = i2c_smbus_read_byte_data(client, LM63_REG_PWM_VALUE); - data->temp1_input = i2c_smbus_read_byte_data(client, - LM63_REG_LOCAL_TEMP); - data->temp1_high = i2c_smbus_read_byte_data(client, - LM63_REG_LOCAL_HIGH); + data->temp8[0] = i2c_smbus_read_byte_data(client, + LM63_REG_LOCAL_TEMP); + data->temp8[1] = i2c_smbus_read_byte_data(client, + LM63_REG_LOCAL_HIGH); /* order matters for temp2_input */ - data->temp2_input = i2c_smbus_read_byte_data(client, - LM63_REG_REMOTE_TEMP_MSB) << 8; - data->temp2_input |= i2c_smbus_read_byte_data(client, - LM63_REG_REMOTE_TEMP_LSB); - data->temp2_high = (i2c_smbus_read_byte_data(client, - LM63_REG_REMOTE_HIGH_MSB) << 8) - | i2c_smbus_read_byte_data(client, - LM63_REG_REMOTE_HIGH_LSB); - data->temp2_low = (i2c_smbus_read_byte_data(client, + data->temp11[0] = i2c_smbus_read_byte_data(client, + LM63_REG_REMOTE_TEMP_MSB) << 8; + data->temp11[0] |= i2c_smbus_read_byte_data(client, + LM63_REG_REMOTE_TEMP_LSB); + data->temp11[1] = (i2c_smbus_read_byte_data(client, LM63_REG_REMOTE_LOW_MSB) << 8) | i2c_smbus_read_byte_data(client, LM63_REG_REMOTE_LOW_LSB); - data->temp2_crit = i2c_smbus_read_byte_data(client, - LM63_REG_REMOTE_TCRIT); + data->temp11[2] = (i2c_smbus_read_byte_data(client, + LM63_REG_REMOTE_HIGH_MSB) << 8) + | i2c_smbus_read_byte_data(client, + LM63_REG_REMOTE_HIGH_LSB); + data->temp8[2] = i2c_smbus_read_byte_data(client, + LM63_REG_REMOTE_TCRIT); data->temp2_crit_hyst = i2c_smbus_read_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST); diff --git a/drivers/i2c/chips/lm75.c b/drivers/i2c/chips/lm75.c index 57c51ac37c0..5be164ed278 100644 --- a/drivers/i2c/chips/lm75.c +++ b/drivers/i2c/chips/lm75.c @@ -18,7 +18,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/lm77.c b/drivers/i2c/chips/lm77.c index 9d15cd5189f..b98f4495299 100644 --- a/drivers/i2c/chips/lm77.c +++ b/drivers/i2c/chips/lm77.c @@ -25,7 +25,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/lm78.c b/drivers/i2c/chips/lm78.c index 21b195ff387..29241469dcb 100644 --- a/drivers/i2c/chips/lm78.c +++ b/drivers/i2c/chips/lm78.c @@ -18,7 +18,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -671,7 +670,7 @@ static int lm78_detach_client(struct i2c_client *client) return 0; } -/* The SMBus locks itself, but ISA access must be locked explicitely! +/* The SMBus locks itself, but ISA access must be locked explicitly! We don't want to lock the whole ISA bus, so we lock each client separately. We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks, @@ -690,7 +689,7 @@ static int lm78_read_value(struct i2c_client *client, u8 reg) return i2c_smbus_read_byte_data(client, reg); } -/* The SMBus locks itself, but ISA access muse be locked explicitely! +/* The SMBus locks itself, but ISA access muse be locked explicitly! We don't want to lock the whole ISA bus, so we lock each client separately. We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks, diff --git a/drivers/i2c/chips/lm80.c b/drivers/i2c/chips/lm80.c index 404057b70e9..8100595feb4 100644 --- a/drivers/i2c/chips/lm80.c +++ b/drivers/i2c/chips/lm80.c @@ -21,7 +21,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/lm83.c b/drivers/i2c/chips/lm83.c index 4d6d7d21e14..a49008b444c 100644 --- a/drivers/i2c/chips/lm83.c +++ b/drivers/i2c/chips/lm83.c @@ -1,7 +1,7 @@ /* * lm83.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2005 Jean Delvare <khali@linux-fr.org> * * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is * a sensor chip made by National Semiconductor. It reports up to four @@ -27,13 +27,13 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon-sysfs.h> /* * Addresses to scan @@ -81,7 +81,7 @@ SENSORS_INSMOD_1(lm83); /* * Conversions and various macros - * The LM83 uses signed 8-bit values with LSB = 1 degree Celcius. + * The LM83 uses signed 8-bit values with LSB = 1 degree Celsius. */ #define TEMP_FROM_REG(val) ((val) * 1000) @@ -94,21 +94,20 @@ static const u8 LM83_REG_R_TEMP[] = { LM83_REG_R_LOCAL_TEMP, LM83_REG_R_REMOTE1_TEMP, LM83_REG_R_REMOTE2_TEMP, - LM83_REG_R_REMOTE3_TEMP -}; - -static const u8 LM83_REG_R_HIGH[] = { + LM83_REG_R_REMOTE3_TEMP, LM83_REG_R_LOCAL_HIGH, LM83_REG_R_REMOTE1_HIGH, LM83_REG_R_REMOTE2_HIGH, - LM83_REG_R_REMOTE3_HIGH + LM83_REG_R_REMOTE3_HIGH, + LM83_REG_R_TCRIT, }; static const u8 LM83_REG_W_HIGH[] = { LM83_REG_W_LOCAL_HIGH, LM83_REG_W_REMOTE1_HIGH, LM83_REG_W_REMOTE2_HIGH, - LM83_REG_W_REMOTE3_HIGH + LM83_REG_W_REMOTE3_HIGH, + LM83_REG_W_TCRIT, }; /* @@ -144,9 +143,9 @@ struct lm83_data { unsigned long last_updated; /* in jiffies */ /* registers values */ - s8 temp_input[4]; - s8 temp_high[4]; - s8 temp_crit; + s8 temp[9]; /* 0..3: input 1-4, + 4..7: high limit 1-4, + 8 : critical limit */ u16 alarms; /* bitvector, combined */ }; @@ -154,65 +153,55 @@ struct lm83_data { * Sysfs stuff */ -#define show_temp(suffix, value) \ -static ssize_t show_temp_##suffix(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm83_data *data = lm83_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \ +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm83_data *data = lm83_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); } -show_temp(input1, temp_input[0]); -show_temp(input2, temp_input[1]); -show_temp(input3, temp_input[2]); -show_temp(input4, temp_input[3]); -show_temp(high1, temp_high[0]); -show_temp(high2, temp_high[1]); -show_temp(high3, temp_high[2]); -show_temp(high4, temp_high[3]); -show_temp(crit, temp_crit); - -#define set_temp(suffix, value, reg) \ -static ssize_t set_temp_##suffix(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm83_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - data->value = TEMP_TO_REG(val); \ - i2c_smbus_write_byte_data(client, reg, data->value); \ - up(&data->update_lock); \ - return count; \ + +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct lm83_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->index; + + down(&data->update_lock); + data->temp[nr] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, LM83_REG_W_HIGH[nr - 4], + data->temp[nr]); + up(&data->update_lock); + return count; } -set_temp(high1, temp_high[0], LM83_REG_W_LOCAL_HIGH); -set_temp(high2, temp_high[1], LM83_REG_W_REMOTE1_HIGH); -set_temp(high3, temp_high[2], LM83_REG_W_REMOTE2_HIGH); -set_temp(high4, temp_high[3], LM83_REG_W_REMOTE3_HIGH); -set_temp(crit, temp_crit, LM83_REG_W_TCRIT); -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm83_data *data = lm83_update_device(dev); return sprintf(buf, "%d\n", data->alarms); } -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL); -static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL); -static DEVICE_ATTR(temp3_input, S_IRUGO, show_temp_input3, NULL); -static DEVICE_ATTR(temp4_input, S_IRUGO, show_temp_input4, NULL); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_high1, - set_temp_high1); -static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2, - set_temp_high2); -static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_high3, - set_temp_high3); -static DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_high4, - set_temp_high4); -static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL); -static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit, NULL); -static DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp_crit, - set_temp_crit); -static DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp_crit, NULL); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, + set_temp, 4); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp, + set_temp, 5); +static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp, + set_temp, 6); +static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp, + set_temp, 7); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp, NULL, 8); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp, NULL, 8); +static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp, + set_temp, 8); +static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp, NULL, 8); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); /* @@ -323,18 +312,30 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) */ /* Register sysfs hooks */ - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp2_input); - device_create_file(&new_client->dev, &dev_attr_temp3_input); - device_create_file(&new_client->dev, &dev_attr_temp4_input); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp2_max); - device_create_file(&new_client->dev, &dev_attr_temp3_max); - device_create_file(&new_client->dev, &dev_attr_temp4_max); - device_create_file(&new_client->dev, &dev_attr_temp1_crit); - device_create_file(&new_client->dev, &dev_attr_temp2_crit); - device_create_file(&new_client->dev, &dev_attr_temp3_crit); - device_create_file(&new_client->dev, &dev_attr_temp4_crit); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_crit.dev_attr); device_create_file(&new_client->dev, &dev_attr_alarms); return 0; @@ -370,16 +371,11 @@ static struct lm83_data *lm83_update_device(struct device *dev) int nr; dev_dbg(&client->dev, "Updating lm83 data.\n"); - for (nr = 0; nr < 4 ; nr++) { - data->temp_input[nr] = + for (nr = 0; nr < 9; nr++) { + data->temp[nr] = i2c_smbus_read_byte_data(client, LM83_REG_R_TEMP[nr]); - data->temp_high[nr] = - i2c_smbus_read_byte_data(client, - LM83_REG_R_HIGH[nr]); } - data->temp_crit = - i2c_smbus_read_byte_data(client, LM83_REG_R_TCRIT); data->alarms = i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS1) + (i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS2) diff --git a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c index b1976775b4b..b4d7fd41826 100644 --- a/drivers/i2c/chips/lm85.c +++ b/drivers/i2c/chips/lm85.c @@ -23,7 +23,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -285,8 +284,6 @@ static int ZONE_TO_REG( int zone ) /* i2c-vid.h defines vid_from_reg() */ #define VID_FROM_REG(val,vrm) (vid_from_reg((val),(vrm))) -#define ALARMS_FROM_REG(val) (val) - /* Unlike some other drivers we DO NOT set initial limits. Use * the config file to set limits. Some users have reported * motherboards shutting down when we set limits in a previous @@ -481,7 +478,7 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct lm85_data *data = lm85_update_device(dev); - return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms)); + return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); diff --git a/drivers/i2c/chips/lm87.c b/drivers/i2c/chips/lm87.c index 4372b61a088..1921ed1af18 100644 --- a/drivers/i2c/chips/lm87.c +++ b/drivers/i2c/chips/lm87.c @@ -52,7 +52,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/lm90.c b/drivers/i2c/chips/lm90.c index 9b127a07f56..a67dcadf7cb 100644 --- a/drivers/i2c/chips/lm90.c +++ b/drivers/i2c/chips/lm90.c @@ -1,7 +1,7 @@ /* * lm90.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2004 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2005 Jean Delvare <khali@linux-fr.org> * * Based on the lm83 driver. The LM90 is a sensor chip made by National * Semiconductor. It reports up to two temperatures (its own plus up to @@ -19,7 +19,7 @@ * Complete datasheets can be obtained from National's website at: * http://www.national.com/pf/LM/LM89.html * http://www.national.com/pf/LM/LM99.html - * Note that there is no way to differenciate between both chips. + * Note that there is no way to differentiate between both chips. * * This driver also supports the LM86, another sensor chip made by * National Semiconductor. It is exactly similar to the LM90 except it @@ -39,7 +39,7 @@ * chips made by Maxim. These chips are similar to the LM86. Complete * datasheet can be obtained at Maxim's website at: * http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2578 - * Note that there is no easy way to differenciate between the three + * Note that there is no easy way to differentiate between the three * variants. The extra address and features of the MAX6659 are not * supported by this driver. * @@ -70,13 +70,13 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> +#include <linux/hwmon-sysfs.h> /* * Addresses to scan @@ -139,9 +139,9 @@ SENSORS_INSMOD_6(lm90, adm1032, lm99, lm86, max6657, adt7461); /* * Conversions and various macros * For local temperatures and limits, critical limits and the hysteresis - * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celcius. + * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius. * For remote temperatures and limits, it uses signed 11-bit values with - * LSB = 0.125 degree Celcius, left-justified in 16-bit registers. + * LSB = 0.125 degree Celsius, left-justified in 16-bit registers. */ #define TEMP1_FROM_REG(val) ((val) * 1000) @@ -206,9 +206,14 @@ struct lm90_data { int kind; /* registers values */ - s8 temp_input1, temp_low1, temp_high1; /* local */ - s16 temp_input2, temp_low2, temp_high2; /* remote, combined */ - s8 temp_crit1, temp_crit2; + s8 temp8[5]; /* 0: local input + 1: local low limit + 2: local high limit + 3: local critical limit + 4: remote critical limit */ + s16 temp11[3]; /* 0: remote input + 1: remote low limit + 2: remote high limit */ u8 temp_hyst; u8 alarms; /* bitvector */ }; @@ -217,75 +222,88 @@ struct lm90_data { * Sysfs stuff */ -#define show_temp(value, converter) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm90_data *data = lm90_update_device(dev); \ - return sprintf(buf, "%d\n", converter(data->value)); \ +static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm90_data *data = lm90_update_device(dev); + return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index])); +} + +static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + static const u8 reg[4] = { + LM90_REG_W_LOCAL_LOW, + LM90_REG_W_LOCAL_HIGH, + LM90_REG_W_LOCAL_CRIT, + LM90_REG_W_REMOTE_CRIT, + }; + + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct lm90_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->index; + + down(&data->update_lock); + if (data->kind == adt7461) + data->temp8[nr] = TEMP1_TO_REG_ADT7461(val); + else + data->temp8[nr] = TEMP1_TO_REG(val); + i2c_smbus_write_byte_data(client, reg[nr - 1], data->temp8[nr]); + up(&data->update_lock); + return count; } -show_temp(temp_input1, TEMP1_FROM_REG); -show_temp(temp_input2, TEMP2_FROM_REG); -show_temp(temp_low1, TEMP1_FROM_REG); -show_temp(temp_low2, TEMP2_FROM_REG); -show_temp(temp_high1, TEMP1_FROM_REG); -show_temp(temp_high2, TEMP2_FROM_REG); -show_temp(temp_crit1, TEMP1_FROM_REG); -show_temp(temp_crit2, TEMP1_FROM_REG); - -#define set_temp1(value, reg) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm90_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - if (data->kind == adt7461) \ - data->value = TEMP1_TO_REG_ADT7461(val); \ - else \ - data->value = TEMP1_TO_REG(val); \ - i2c_smbus_write_byte_data(client, reg, data->value); \ - up(&data->update_lock); \ - return count; \ + +static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm90_data *data = lm90_update_device(dev); + return sprintf(buf, "%d\n", TEMP2_FROM_REG(data->temp11[attr->index])); } -#define set_temp2(value, regh, regl) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm90_data *data = i2c_get_clientdata(client); \ - long val = simple_strtol(buf, NULL, 10); \ - \ - down(&data->update_lock); \ - if (data->kind == adt7461) \ - data->value = TEMP2_TO_REG_ADT7461(val); \ - else \ - data->value = TEMP2_TO_REG(val); \ - i2c_smbus_write_byte_data(client, regh, data->value >> 8); \ - i2c_smbus_write_byte_data(client, regl, data->value & 0xff); \ - up(&data->update_lock); \ - return count; \ + +static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + static const u8 reg[4] = { + LM90_REG_W_REMOTE_LOWH, + LM90_REG_W_REMOTE_LOWL, + LM90_REG_W_REMOTE_HIGHH, + LM90_REG_W_REMOTE_HIGHL, + }; + + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct lm90_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->index; + + down(&data->update_lock); + if (data->kind == adt7461) + data->temp11[nr] = TEMP2_TO_REG_ADT7461(val); + else + data->temp11[nr] = TEMP2_TO_REG(val); + i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2], + data->temp11[nr] >> 8); + i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1], + data->temp11[nr] & 0xff); + up(&data->update_lock); + return count; } -set_temp1(temp_low1, LM90_REG_W_LOCAL_LOW); -set_temp2(temp_low2, LM90_REG_W_REMOTE_LOWH, LM90_REG_W_REMOTE_LOWL); -set_temp1(temp_high1, LM90_REG_W_LOCAL_HIGH); -set_temp2(temp_high2, LM90_REG_W_REMOTE_HIGHH, LM90_REG_W_REMOTE_HIGHL); -set_temp1(temp_crit1, LM90_REG_W_LOCAL_CRIT); -set_temp1(temp_crit2, LM90_REG_W_REMOTE_CRIT); - -#define show_temp_hyst(value, basereg) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - struct lm90_data *data = lm90_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->basereg) \ - - TEMP1_FROM_REG(data->temp_hyst)); \ + +static ssize_t show_temphyst(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm90_data *data = lm90_update_device(dev); + return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index]) + - TEMP1_FROM_REG(data->temp_hyst)); } -show_temp_hyst(temp_hyst1, temp_crit1); -show_temp_hyst(temp_hyst2, temp_crit2); -static ssize_t set_temp_hyst1(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy, + const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct lm90_data *data = i2c_get_clientdata(client); @@ -293,36 +311,37 @@ static ssize_t set_temp_hyst1(struct device *dev, struct device_attribute *attr, long hyst; down(&data->update_lock); - hyst = TEMP1_FROM_REG(data->temp_crit1) - val; + hyst = TEMP1_FROM_REG(data->temp8[3]) - val; i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST, HYST_TO_REG(hyst)); up(&data->update_lock); return count; } -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy, + char *buf) { struct lm90_data *data = lm90_update_device(dev); return sprintf(buf, "%d\n", data->alarms); } -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL); -static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL); -static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_low1, - set_temp_low1); -static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2, - set_temp_low2); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_high1, - set_temp_high1); -static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2, - set_temp_high2); -static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_crit1, - set_temp_crit1); -static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2, - set_temp_crit2); -static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst1, - set_temp_hyst1); -static DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temp_hyst2, NULL); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8, + set_temp8, 1); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11, + set_temp11, 1); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8, + set_temp8, 2); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11, + set_temp11, 2); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp8, + set_temp8, 3); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8, + set_temp8, 4); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst, + set_temphyst, 3); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); /* @@ -481,16 +500,26 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind) lm90_init_client(new_client); /* Register sysfs hooks */ - device_create_file(&new_client->dev, &dev_attr_temp1_input); - device_create_file(&new_client->dev, &dev_attr_temp2_input); - device_create_file(&new_client->dev, &dev_attr_temp1_min); - device_create_file(&new_client->dev, &dev_attr_temp2_min); - device_create_file(&new_client->dev, &dev_attr_temp1_max); - device_create_file(&new_client->dev, &dev_attr_temp2_max); - device_create_file(&new_client->dev, &dev_attr_temp1_crit); - device_create_file(&new_client->dev, &dev_attr_temp2_crit); - device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst); - device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_min.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_crit_hyst.dev_attr); device_create_file(&new_client->dev, &dev_attr_alarms); return 0; @@ -541,16 +570,16 @@ static struct lm90_data *lm90_update_device(struct device *dev) u8 oldh, newh; dev_dbg(&client->dev, "Updating lm90 data.\n"); - data->temp_input1 = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_TEMP); - data->temp_high1 = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_HIGH); - data->temp_low1 = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_LOW); - data->temp_crit1 = i2c_smbus_read_byte_data(client, - LM90_REG_R_LOCAL_CRIT); - data->temp_crit2 = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_CRIT); + data->temp8[0] = i2c_smbus_read_byte_data(client, + LM90_REG_R_LOCAL_TEMP); + data->temp8[1] = i2c_smbus_read_byte_data(client, + LM90_REG_R_LOCAL_LOW); + data->temp8[2] = i2c_smbus_read_byte_data(client, + LM90_REG_R_LOCAL_HIGH); + data->temp8[3] = i2c_smbus_read_byte_data(client, + LM90_REG_R_LOCAL_CRIT); + data->temp8[4] = i2c_smbus_read_byte_data(client, + LM90_REG_R_REMOTE_CRIT); data->temp_hyst = i2c_smbus_read_byte_data(client, LM90_REG_R_TCRIT_HYST); @@ -570,13 +599,13 @@ static struct lm90_data *lm90_update_device(struct device *dev) */ oldh = i2c_smbus_read_byte_data(client, LM90_REG_R_REMOTE_TEMPH); - data->temp_input2 = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPL); + data->temp11[0] = i2c_smbus_read_byte_data(client, + LM90_REG_R_REMOTE_TEMPL); newh = i2c_smbus_read_byte_data(client, LM90_REG_R_REMOTE_TEMPH); if (newh != oldh) { - data->temp_input2 = i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_TEMPL); + data->temp11[0] = i2c_smbus_read_byte_data(client, + LM90_REG_R_REMOTE_TEMPL); #ifdef DEBUG oldh = i2c_smbus_read_byte_data(client, LM90_REG_R_REMOTE_TEMPH); @@ -586,16 +615,16 @@ static struct lm90_data *lm90_update_device(struct device *dev) "wrong.\n"); #endif } - data->temp_input2 |= (newh << 8); + data->temp11[0] |= (newh << 8); - data->temp_high2 = (i2c_smbus_read_byte_data(client, + data->temp11[1] = (i2c_smbus_read_byte_data(client, + LM90_REG_R_REMOTE_LOWH) << 8) + + i2c_smbus_read_byte_data(client, + LM90_REG_R_REMOTE_LOWL); + data->temp11[2] = (i2c_smbus_read_byte_data(client, LM90_REG_R_REMOTE_HIGHH) << 8) + i2c_smbus_read_byte_data(client, LM90_REG_R_REMOTE_HIGHL); - data->temp_low2 = (i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_LOWH) << 8) + - i2c_smbus_read_byte_data(client, - LM90_REG_R_REMOTE_LOWL); data->alarms = i2c_smbus_read_byte_data(client, LM90_REG_R_STATUS); diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c index e771566dffa..5e463c47bfb 100644 --- a/drivers/i2c/chips/m41t00.c +++ b/drivers/i2c/chips/m41t00.c @@ -40,11 +40,8 @@ static unsigned short normal_addr[] = { 0x68, I2C_CLIENT_END }; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_addr, - .normal_i2c_range = ignore, .probe = ignore, - .probe_range = ignore, .ignore = ignore, - .ignore_range = ignore, .force = ignore, }; diff --git a/drivers/i2c/chips/max1619.c b/drivers/i2c/chips/max1619.c index 30a196155fd..bf553dcd97d 100644 --- a/drivers/i2c/chips/max1619.c +++ b/drivers/i2c/chips/max1619.c @@ -26,7 +26,6 @@ */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c new file mode 100644 index 00000000000..fe6b150ec4c --- /dev/null +++ b/drivers/i2c/chips/max6875.c @@ -0,0 +1,473 @@ +/* + max6875.c - driver for MAX6874/MAX6875 + + Copyright (C) 2005 Ben Gardner <bgardner@wabtec.com> + + Based on i2c/chips/eeprom.c + + The MAX6875 has two EEPROM sections: config and user. + At reset, the config EEPROM is read into the registers. + + This driver make 3 binary files available in sysfs: + reg_config - direct access to the registers + eeprom_config - acesses configuration eeprom space + eeprom_user - free for application use + + In our application, we put device serial & model numbers in user eeprom. + + Notes: + 1) The datasheet says that register 0x44 / EEPROM 0x8044 should NOT + be overwritten, so the driver explicitly prevents that. + 2) It's a good idea to keep the config (0x45) locked in config EEPROM. + You can temporarily enable config writes by changing register 0x45. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. +*/ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/i2c-sensor.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = {0x50, 0x52, I2C_CLIENT_END}; +static unsigned int normal_isa[] = {I2C_CLIENT_ISA_END}; + +/* Insmod parameters */ +SENSORS_INSMOD_1(max6875); + +/* this param will prevent 'accidental' writes to the eeprom */ +static int allow_write = 0; +module_param(allow_write, int, 0); +MODULE_PARM_DESC(allow_write, + "Enable write access:\n" + "*0: Read only\n" + " 1: Read/Write access"); + +/* The MAX6875 can only read/write 16 bytes at a time */ +#define SLICE_SIZE 16 +#define SLICE_BITS 4 + +/* CONFIG EEPROM is at addresses 0x8000 - 0x8045, registers are at 0 - 0x45 */ +#define CONFIG_EEPROM_BASE 0x8000 +#define CONFIG_EEPROM_SIZE 0x0046 +#define CONFIG_EEPROM_SLICES 5 + +/* USER EEPROM is at addresses 0x8100 - 0x82FF */ +#define USER_EEPROM_BASE 0x8100 +#define USER_EEPROM_SIZE 0x0200 +#define USER_EEPROM_SLICES 32 + +/* MAX6875 commands */ +#define MAX6875_CMD_BLOCK_WRITE 0x83 +#define MAX6875_CMD_BLOCK_READ 0x84 +#define MAX6875_CMD_REBOOT 0x88 + +enum max6875_area_type { + max6875_register_config=0, + max6875_eeprom_config, + max6875_eeprom_user, + max6857_max +}; + +struct eeprom_block { + enum max6875_area_type type; + u8 slices; + u32 size; + u32 valid; + u32 base; + unsigned long *updated; + u8 *data; +}; + +/* Each client has this additional data */ +struct max6875_data { + struct i2c_client client; + struct semaphore update_lock; + struct eeprom_block blocks[max6857_max]; + /* the above structs point into the arrays below */ + u8 data[USER_EEPROM_SIZE + (CONFIG_EEPROM_SIZE*2)]; + unsigned long last_updated[USER_EEPROM_SLICES + (CONFIG_EEPROM_SLICES*2)]; +}; + +static int max6875_attach_adapter(struct i2c_adapter *adapter); +static int max6875_detect(struct i2c_adapter *adapter, int address, int kind); +static int max6875_detach_client(struct i2c_client *client); + +/* This is the driver that will be inserted */ +static struct i2c_driver max6875_driver = { + .owner = THIS_MODULE, + .name = "max6875", + .flags = I2C_DF_NOTIFY, + .attach_adapter = max6875_attach_adapter, + .detach_client = max6875_detach_client, +}; + +static int max6875_update_slice(struct i2c_client *client, + struct eeprom_block *blk, + int slice) +{ + struct max6875_data *data = i2c_get_clientdata(client); + int i, j, addr, count; + u8 rdbuf[SLICE_SIZE]; + int retval = 0; + + if (slice >= blk->slices) + return -1; + + down(&data->update_lock); + + if (!(blk->valid & (1 << slice)) || + (jiffies - blk->updated[slice] > 300 * HZ) || + (jiffies < blk->updated[slice])) { + dev_dbg(&client->dev, "Starting eeprom update, slice %u, base %u\n", + slice, blk->base); + + addr = blk->base + (slice << SLICE_BITS); + count = blk->size - (slice << SLICE_BITS); + if (count > SLICE_SIZE) { + count = SLICE_SIZE; + } + + /* Preset the read address */ + if (addr < 0x100) { + /* select the register */ + if (i2c_smbus_write_byte(client, addr & 0xFF)) { + dev_dbg(&client->dev, "max6875 register select has failed!\n"); + retval = -1; + goto exit; + } + } else { + /* select the eeprom */ + if (i2c_smbus_write_byte_data(client, addr >> 8, addr & 0xFF)) { + dev_dbg(&client->dev, "max6875 address set has failed!\n"); + retval = -1; + goto exit; + } + } + + if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK)) { + if (i2c_smbus_read_i2c_block_data(client, MAX6875_CMD_BLOCK_READ, + rdbuf) != SLICE_SIZE) + { + retval = -1; + goto exit; + } + + memcpy(&blk->data[slice << SLICE_BITS], rdbuf, count); + } else { + for (i = 0; i < count; i++) { + j = i2c_smbus_read_byte(client); + if (j < 0) + { + retval = -1; + goto exit; + } + blk->data[(slice << SLICE_BITS) + i] = (u8) j; + } + } + blk->updated[slice] = jiffies; + blk->valid |= (1 << slice); + } + exit: + up(&data->update_lock); + return retval; +} + +static ssize_t max6875_read(struct kobject *kobj, char *buf, loff_t off, size_t count, + enum max6875_area_type area_type) +{ + struct i2c_client *client = to_i2c_client(container_of(kobj, struct device, kobj)); + struct max6875_data *data = i2c_get_clientdata(client); + struct eeprom_block *blk; + int slice; + + blk = &data->blocks[area_type]; + + if (off > blk->size) + return 0; + if (off + count > blk->size) + count = blk->size - off; + + /* Only refresh slices which contain requested bytes */ + for (slice = (off >> SLICE_BITS); slice <= ((off + count - 1) >> SLICE_BITS); slice++) + max6875_update_slice(client, blk, slice); + + memcpy(buf, &blk->data[off], count); + + return count; +} + +static ssize_t max6875_user_read(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_read(kobj, buf, off, count, max6875_eeprom_user); +} + +static ssize_t max6875_config_read(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_read(kobj, buf, off, count, max6875_eeprom_config); +} + +static ssize_t max6875_cfgreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_read(kobj, buf, off, count, max6875_register_config); +} + + +static ssize_t max6875_write(struct kobject *kobj, char *buf, loff_t off, size_t count, + enum max6875_area_type area_type) +{ + struct i2c_client *client = to_i2c_client(container_of(kobj, struct device, kobj)); + struct max6875_data *data = i2c_get_clientdata(client); + struct eeprom_block *blk; + int slice, addr, retval; + ssize_t sent = 0; + + blk = &data->blocks[area_type]; + + if (off > blk->size) + return 0; + if ((off + count) > blk->size) + count = blk->size - off; + + if (down_interruptible(&data->update_lock)) + return -EAGAIN; + + /* writing to a register is done with i2c_smbus_write_byte_data() */ + if (blk->type == max6875_register_config) { + for (sent = 0; sent < count; sent++) { + addr = off + sent; + if (addr == 0x44) + continue; + + retval = i2c_smbus_write_byte_data(client, addr, buf[sent]); + } + } else { + int cmd, val; + + /* We are writing to EEPROM */ + for (sent = 0; sent < count; sent++) { + addr = blk->base + off + sent; + cmd = addr >> 8; + val = (addr & 0xff) | (buf[sent] << 8); // reversed + + if (addr == 0x8044) + continue; + + retval = i2c_smbus_write_word_data(client, cmd, val); + + if (retval) { + goto error_exit; + } + + /* A write takes up to 11 ms */ + msleep(11); + } + } + + /* Invalidate the scratch buffer */ + for (slice = (off >> SLICE_BITS); slice <= ((off + count - 1) >> SLICE_BITS); slice++) + blk->valid &= ~(1 << slice); + + error_exit: + up(&data->update_lock); + + return sent; +} + +static ssize_t max6875_user_write(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_write(kobj, buf, off, count, max6875_eeprom_user); +} + +static ssize_t max6875_config_write(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_write(kobj, buf, off, count, max6875_eeprom_config); +} + +static ssize_t max6875_cfgreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + return max6875_write(kobj, buf, off, count, max6875_register_config); +} + +static struct bin_attribute user_eeprom_attr = { + .attr = { + .name = "eeprom_user", + .mode = S_IRUGO | S_IWUSR | S_IWGRP, + .owner = THIS_MODULE, + }, + .size = USER_EEPROM_SIZE, + .read = max6875_user_read, + .write = max6875_user_write, +}; + +static struct bin_attribute config_eeprom_attr = { + .attr = { + .name = "eeprom_config", + .mode = S_IRUGO | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = CONFIG_EEPROM_SIZE, + .read = max6875_config_read, + .write = max6875_config_write, +}; + +static struct bin_attribute config_register_attr = { + .attr = { + .name = "reg_config", + .mode = S_IRUGO | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = CONFIG_EEPROM_SIZE, + .read = max6875_cfgreg_read, + .write = max6875_cfgreg_write, +}; + +static int max6875_attach_adapter(struct i2c_adapter *adapter) +{ + return i2c_detect(adapter, &addr_data, max6875_detect); +} + +/* This function is called by i2c_detect */ +static int max6875_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *new_client; + struct max6875_data *data; + int err = 0; + + /* There are three ways we can read the EEPROM data: + (1) I2C block reads (faster, but unsupported by most adapters) + (2) Consecutive byte reads (100% overhead) + (3) Regular byte data reads (200% overhead) + The third method is not implemented by this driver because all + known adapters support at least the second. */ + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA | + I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) + goto exit; + + /* OK. For now, we presume we have a valid client. We now create the + client structure, even though we cannot fill it completely yet. + But it allows us to access eeprom_{read,write}_value. */ + if (!(data = kmalloc(sizeof(struct max6875_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + memset(data, 0, sizeof(struct max6875_data)); + + new_client = &data->client; + i2c_set_clientdata(new_client, data); + new_client->addr = address; + new_client->adapter = adapter; + new_client->driver = &max6875_driver; + new_client->flags = 0; + + /* Setup the user section */ + data->blocks[max6875_eeprom_user].type = max6875_eeprom_user; + data->blocks[max6875_eeprom_user].slices = USER_EEPROM_SLICES; + data->blocks[max6875_eeprom_user].size = USER_EEPROM_SIZE; + data->blocks[max6875_eeprom_user].base = USER_EEPROM_BASE; + data->blocks[max6875_eeprom_user].data = data->data; + data->blocks[max6875_eeprom_user].updated = data->last_updated; + + /* Setup the config section */ + data->blocks[max6875_eeprom_config].type = max6875_eeprom_config; + data->blocks[max6875_eeprom_config].slices = CONFIG_EEPROM_SLICES; + data->blocks[max6875_eeprom_config].size = CONFIG_EEPROM_SIZE; + data->blocks[max6875_eeprom_config].base = CONFIG_EEPROM_BASE; + data->blocks[max6875_eeprom_config].data = &data->data[USER_EEPROM_SIZE]; + data->blocks[max6875_eeprom_config].updated = &data->last_updated[USER_EEPROM_SLICES]; + + /* Setup the register section */ + data->blocks[max6875_register_config].type = max6875_register_config; + data->blocks[max6875_register_config].slices = CONFIG_EEPROM_SLICES; + data->blocks[max6875_register_config].size = CONFIG_EEPROM_SIZE; + data->blocks[max6875_register_config].base = 0; + data->blocks[max6875_register_config].data = &data->data[USER_EEPROM_SIZE+CONFIG_EEPROM_SIZE]; + data->blocks[max6875_register_config].updated = &data->last_updated[USER_EEPROM_SLICES+CONFIG_EEPROM_SLICES]; + + /* Init the data */ + memset(data->data, 0xff, sizeof(data->data)); + + /* Fill in the remaining client fields */ + strlcpy(new_client->name, "max6875", I2C_NAME_SIZE); + init_MUTEX(&data->update_lock); + + /* Verify that the chip is really what we think it is */ + if ((max6875_update_slice(new_client, &data->blocks[max6875_eeprom_config], 4) < 0) || + (max6875_update_slice(new_client, &data->blocks[max6875_register_config], 4) < 0)) + goto exit_kfree; + + /* 0x41,0x42 must be zero and 0x40 must match in eeprom and registers */ + if ((data->blocks[max6875_eeprom_config].data[0x41] != 0) || + (data->blocks[max6875_eeprom_config].data[0x42] != 0) || + (data->blocks[max6875_register_config].data[0x41] != 0) || + (data->blocks[max6875_register_config].data[0x42] != 0) || + (data->blocks[max6875_eeprom_config].data[0x40] != + data->blocks[max6875_register_config].data[0x40])) + goto exit_kfree; + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(new_client))) + goto exit_kfree; + + /* create the sysfs eeprom files with the correct permissions */ + if (allow_write == 0) { + user_eeprom_attr.attr.mode &= ~S_IWUGO; + user_eeprom_attr.write = NULL; + config_eeprom_attr.attr.mode &= ~S_IWUGO; + config_eeprom_attr.write = NULL; + config_register_attr.attr.mode &= ~S_IWUGO; + config_register_attr.write = NULL; + } + sysfs_create_bin_file(&new_client->dev.kobj, &user_eeprom_attr); + sysfs_create_bin_file(&new_client->dev.kobj, &config_eeprom_attr); + sysfs_create_bin_file(&new_client->dev.kobj, &config_register_attr); + + return 0; + +exit_kfree: + kfree(data); +exit: + return err; +} + +static int max6875_detach_client(struct i2c_client *client) +{ + int err; + + err = i2c_detach_client(client); + if (err) { + dev_err(&client->dev, "Client deregistration failed, client not detached.\n"); + return err; + } + + kfree(i2c_get_clientdata(client)); + + return 0; +} + +static int __init max6875_init(void) +{ + return i2c_add_driver(&max6875_driver); +} + +static void __exit max6875_exit(void) +{ + i2c_del_driver(&max6875_driver); +} + + +MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>"); +MODULE_DESCRIPTION("MAX6875 driver"); +MODULE_LICENSE("GPL"); + +module_init(max6875_init); +module_exit(max6875_exit); diff --git a/drivers/i2c/chips/pc87360.c b/drivers/i2c/chips/pc87360.c index 65637b2cd17..876c68f3af3 100644 --- a/drivers/i2c/chips/pc87360.c +++ b/drivers/i2c/chips/pc87360.c @@ -33,7 +33,6 @@ * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c new file mode 100644 index 00000000000..9f3ad45daae --- /dev/null +++ b/drivers/i2c/chips/pca9539.c @@ -0,0 +1,192 @@ +/* + pca9539.c - 16-bit I/O port with interrupt and reset + + Copyright (C) 2005 Ben Gardner <bgardner@wabtec.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. +*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon-sysfs.h> +#include <linux/i2c-sensor.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = {0x74, 0x75, 0x76, 0x77, I2C_CLIENT_END}; +static unsigned int normal_isa[] = {I2C_CLIENT_ISA_END}; + +/* Insmod parameters */ +SENSORS_INSMOD_1(pca9539); + +enum pca9539_cmd +{ + PCA9539_INPUT_0 = 0, + PCA9539_INPUT_1 = 1, + PCA9539_OUTPUT_0 = 2, + PCA9539_OUTPUT_1 = 3, + PCA9539_INVERT_0 = 4, + PCA9539_INVERT_1 = 5, + PCA9539_DIRECTION_0 = 6, + PCA9539_DIRECTION_1 = 7, +}; + +static int pca9539_attach_adapter(struct i2c_adapter *adapter); +static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind); +static int pca9539_detach_client(struct i2c_client *client); + +/* This is the driver that will be inserted */ +static struct i2c_driver pca9539_driver = { + .owner = THIS_MODULE, + .name = "pca9539", + .flags = I2C_DF_NOTIFY, + .attach_adapter = pca9539_attach_adapter, + .detach_client = pca9539_detach_client, +}; + +struct pca9539_data { + struct i2c_client client; +}; + +/* following are the sysfs callback functions */ +static ssize_t pca9539_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *psa = to_sensor_dev_attr(attr); + struct i2c_client *client = to_i2c_client(dev); + return sprintf(buf, "%d\n", i2c_smbus_read_byte_data(client, + psa->index)); +} + +static ssize_t pca9539_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *psa = to_sensor_dev_attr(attr); + struct i2c_client *client = to_i2c_client(dev); + unsigned long val = simple_strtoul(buf, NULL, 0); + if (val > 0xff) + return -EINVAL; + i2c_smbus_write_byte_data(client, psa->index, val); + return count; +} + +/* Define the device attributes */ + +#define PCA9539_ENTRY_RO(name, cmd_idx) \ + static SENSOR_DEVICE_ATTR(name, S_IRUGO, pca9539_show, NULL, cmd_idx) + +#define PCA9539_ENTRY_RW(name, cmd_idx) \ + static SENSOR_DEVICE_ATTR(name, S_IRUGO | S_IWUSR, pca9539_show, \ + pca9539_store, cmd_idx) + +PCA9539_ENTRY_RO(input0, PCA9539_INPUT_0); +PCA9539_ENTRY_RO(input1, PCA9539_INPUT_1); +PCA9539_ENTRY_RW(output0, PCA9539_OUTPUT_0); +PCA9539_ENTRY_RW(output1, PCA9539_OUTPUT_1); +PCA9539_ENTRY_RW(invert0, PCA9539_INVERT_0); +PCA9539_ENTRY_RW(invert1, PCA9539_INVERT_1); +PCA9539_ENTRY_RW(direction0, PCA9539_DIRECTION_0); +PCA9539_ENTRY_RW(direction1, PCA9539_DIRECTION_1); + +static struct attribute *pca9539_attributes[] = { + &sensor_dev_attr_input0.dev_attr.attr, + &sensor_dev_attr_input1.dev_attr.attr, + &sensor_dev_attr_output0.dev_attr.attr, + &sensor_dev_attr_output1.dev_attr.attr, + &sensor_dev_attr_invert0.dev_attr.attr, + &sensor_dev_attr_invert1.dev_attr.attr, + &sensor_dev_attr_direction0.dev_attr.attr, + &sensor_dev_attr_direction1.dev_attr.attr, + NULL +}; + +static struct attribute_group pca9539_defattr_group = { + .attrs = pca9539_attributes, +}; + +static int pca9539_attach_adapter(struct i2c_adapter *adapter) +{ + return i2c_detect(adapter, &addr_data, pca9539_detect); +} + +/* This function is called by i2c_detect */ +static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *new_client; + struct pca9539_data *data; + int err = 0; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + goto exit; + + /* OK. For now, we presume we have a valid client. We now create the + client structure, even though we cannot fill it completely yet. */ + if (!(data = kmalloc(sizeof(struct pca9539_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + memset(data, 0, sizeof(struct pca9539_data)); + + new_client = &data->client; + i2c_set_clientdata(new_client, data); + new_client->addr = address; + new_client->adapter = adapter; + new_client->driver = &pca9539_driver; + new_client->flags = 0; + + /* Detection: the pca9539 only has 8 registers (0-7). + A read of 7 should succeed, but a read of 8 should fail. */ + if ((i2c_smbus_read_byte_data(new_client, 7) < 0) || + (i2c_smbus_read_byte_data(new_client, 8) >= 0)) + goto exit_kfree; + + strlcpy(new_client->name, "pca9539", I2C_NAME_SIZE); + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(new_client))) + goto exit_kfree; + + /* Register sysfs hooks (don't care about failure) */ + sysfs_create_group(&new_client->dev.kobj, &pca9539_defattr_group); + + return 0; + +exit_kfree: + kfree(data); +exit: + return err; +} + +static int pca9539_detach_client(struct i2c_client *client) +{ + int err; + + if ((err = i2c_detach_client(client))) { + dev_err(&client->dev, "Client deregistration failed.\n"); + return err; + } + + kfree(i2c_get_clientdata(client)); + return 0; +} + +static int __init pca9539_init(void) +{ + return i2c_add_driver(&pca9539_driver); +} + +static void __exit pca9539_exit(void) +{ + i2c_del_driver(&pca9539_driver); +} + +MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>"); +MODULE_DESCRIPTION("PCA9539 driver"); +MODULE_LICENSE("GPL"); + +module_init(pca9539_init); +module_exit(pca9539_exit); + diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c index 4956e9effd7..cfcf6465408 100644 --- a/drivers/i2c/chips/pcf8574.c +++ b/drivers/i2c/chips/pcf8574.c @@ -57,7 +57,7 @@ SENSORS_INSMOD_2(pcf8574, pcf8574a); struct pcf8574_data { struct i2c_client client; - u8 read, write; /* Register values */ + u8 write; /* Remember last written value */ }; static int pcf8574_attach_adapter(struct i2c_adapter *adapter); @@ -79,9 +79,7 @@ static struct i2c_driver pcf8574_driver = { static ssize_t show_read(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); - struct pcf8574_data *data = i2c_get_clientdata(client); - data->read = i2c_smbus_read_byte(client); - return sprintf(buf, "%u\n", data->read); + return sprintf(buf, "%u\n", i2c_smbus_read_byte(client)); } static DEVICE_ATTR(read, S_IRUGO, show_read, NULL); diff --git a/drivers/i2c/chips/rtc8564.c b/drivers/i2c/chips/rtc8564.c index 5a9deddb626..588fc2261a9 100644 --- a/drivers/i2c/chips/rtc8564.c +++ b/drivers/i2c/chips/rtc8564.c @@ -19,7 +19,6 @@ #include <linux/string.h> #include <linux/rtc.h> /* get the user-level API */ #include <linux/init.h> -#include <linux/init.h> #include "rtc8564.h" @@ -66,11 +65,8 @@ static unsigned short normal_addr[] = { 0x51, I2C_CLIENT_END }; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_addr, - .normal_i2c_range = ignore, .probe = ignore, - .probe_range = ignore, .ignore = ignore, - .ignore_range = ignore, .force = ignore, }; diff --git a/drivers/i2c/chips/sis5595.c b/drivers/i2c/chips/sis5595.c index c6650727a27..6bbfc8fb4f1 100644 --- a/drivers/i2c/chips/sis5595.c +++ b/drivers/i2c/chips/sis5595.c @@ -57,6 +57,7 @@ #include <linux/i2c.h> #include <linux/i2c-sensor.h> #include <linux/init.h> +#include <linux/jiffies.h> #include <asm/io.h> diff --git a/drivers/i2c/chips/smsc47m1.c b/drivers/i2c/chips/smsc47m1.c index 13d6d4a8bc7..897117a7213 100644 --- a/drivers/i2c/chips/smsc47m1.c +++ b/drivers/i2c/chips/smsc47m1.c @@ -372,14 +372,16 @@ static int smsc47m1_find(int *address) * SMSC LPC47M10x/LPC47M13x (device id 0x59), LPC47M14x (device id * 0x5F) and LPC47B27x (device id 0x51) have fan control. * The LPC47M15x and LPC47M192 chips "with hardware monitoring block" - * can do much more besides (device id 0x60, unsupported). + * can do much more besides (device id 0x60). */ if (val == 0x51) - printk(KERN_INFO "smsc47m1: Found SMSC47B27x\n"); + printk(KERN_INFO "smsc47m1: Found SMSC LPC47B27x\n"); else if (val == 0x59) - printk(KERN_INFO "smsc47m1: Found SMSC47M10x/SMSC47M13x\n"); + printk(KERN_INFO "smsc47m1: Found SMSC LPC47M10x/LPC47M13x\n"); else if (val == 0x5F) - printk(KERN_INFO "smsc47m1: Found SMSC47M14x\n"); + printk(KERN_INFO "smsc47m1: Found SMSC LPC47M14x\n"); + else if (val == 0x60) + printk(KERN_INFO "smsc47m1: Found SMSC LPC47M15x/LPC47M192\n"); else { superio_exit(); return -ENODEV; diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c new file mode 100644 index 00000000000..c0ac01b6003 --- /dev/null +++ b/drivers/i2c/chips/tps65010.c @@ -0,0 +1,1072 @@ +/* + * tps65010 - driver for tps6501x power management chips + * + * Copyright (C) 2004 Texas Instruments + * Copyright (C) 2004-2005 David Brownell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#undef DEBUG + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/i2c.h> +#include <linux/delay.h> +#include <linux/workqueue.h> +#include <linux/suspend.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <asm/arch/gpio.h> +#include <asm/arch/mux.h> +#include <asm/arch/tps65010.h> + +/*-------------------------------------------------------------------------*/ + +#define DRIVER_VERSION "2 May 2005" +#define DRIVER_NAME (tps65010_driver.name) + +MODULE_DESCRIPTION("TPS6501x Power Management Driver"); +MODULE_LICENSE("GPL"); + +/* only two addresses possible */ +#define TPS_BASE 0x48 +static unsigned short normal_i2c[] = { + TPS_BASE, + I2C_CLIENT_END }; +static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; + +I2C_CLIENT_INSMOD; + +static struct i2c_driver tps65010_driver; + +/*-------------------------------------------------------------------------*/ + +/* This driver handles a family of multipurpose chips, which incorporate + * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs, + * and other features often needed in portable devices like cell phones + * or digital cameras. + * + * The tps65011 and tps65013 have different voltage settings compared + * to tps65010 and tps65012. The tps65013 has a NO_CHG status/irq. + * All except tps65010 have "wait" mode, possibly defaulted so that + * battery-insert != device-on. + * + * We could distinguish between some models by checking VDCDC1.UVLO or + * other registers, unless they've been changed already after powerup + * as part of board setup by a bootloader. + */ +enum tps_model { + TPS_UNKNOWN = 0, + TPS65010, + TPS65011, + TPS65012, + TPS65013, +}; + +struct tps65010 { + struct i2c_client client; + struct semaphore lock; + int irq; + struct work_struct work; + struct dentry *file; + unsigned charging:1; + unsigned por:1; + unsigned model:8; + u16 vbus; + unsigned long flags; +#define FLAG_VBUS_CHANGED 0 +#define FLAG_IRQ_ENABLE 1 + + /* copies of last register state */ + u8 chgstatus, regstatus, chgconf; + u8 nmask1, nmask2; + + /* plus four GPIOs, probably used to switch power */ +}; + +#define POWER_POLL_DELAY msecs_to_jiffies(800) + +/*-------------------------------------------------------------------------*/ + +#if defined(DEBUG) || defined(CONFIG_DEBUG_FS) + +static void dbg_chgstat(char *buf, size_t len, u8 chgstatus) +{ + snprintf(buf, len, "%02x%s%s%s%s%s%s%s%s\n", + chgstatus, + (chgstatus & TPS_CHG_USB) ? " USB" : "", + (chgstatus & TPS_CHG_AC) ? " AC" : "", + (chgstatus & TPS_CHG_THERM) ? " therm" : "", + (chgstatus & TPS_CHG_TERM) ? " done" : + ((chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + ? " (charging)" : ""), + (chgstatus & TPS_CHG_TAPER_TMO) ? " taper_tmo" : "", + (chgstatus & TPS_CHG_CHG_TMO) ? " charge_tmo" : "", + (chgstatus & TPS_CHG_PRECHG_TMO) ? " prechg_tmo" : "", + (chgstatus & TPS_CHG_TEMP_ERR) ? " temp_err" : ""); +} + +static void dbg_regstat(char *buf, size_t len, u8 regstatus) +{ + snprintf(buf, len, "%02x %s%s%s%s%s%s%s%s\n", + regstatus, + (regstatus & TPS_REG_ONOFF) ? "off" : "(on)", + (regstatus & TPS_REG_COVER) ? " uncover" : "", + (regstatus & TPS_REG_UVLO) ? " UVLO" : "", + (regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "", + (regstatus & TPS_REG_PG_LD02) ? " ld01_bad" : "", + (regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "", + (regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "", + (regstatus & TPS_REG_PG_CORE) ? " core_bad" : ""); +} + +static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig) +{ + char *hibit; + + if (por) + hibit = (chgconfig & TPS_CHARGE_POR) + ? "POR=69ms" : "POR=1sec"; + else + hibit = (chgconfig & TPS65013_AUA) ? "AUA" : ""; + + snprintf(buf, len, "%02x %s%s%s AC=%d%% USB=%dmA %sCharge\n", + chgconfig, hibit, + (chgconfig & TPS_CHARGE_RESET) ? " reset" : "", + (chgconfig & TPS_CHARGE_FAST) ? " fast" : "", + ({int p; switch ((chgconfig >> 3) & 3) { + case 3: p = 100; break; + case 2: p = 75; break; + case 1: p = 50; break; + default: p = 25; break; + }; p; }), + (chgconfig & TPS_VBUS_CHARGING) + ? ((chgconfig & TPS_VBUS_500MA) ? 500 : 100) + : 0, + (chgconfig & TPS_CHARGE_ENABLE) ? "" : "No"); +} + +#endif + +#ifdef DEBUG + +static void show_chgstatus(const char *label, u8 chgstatus) +{ + char buf [100]; + + dbg_chgstat(buf, sizeof buf, chgstatus); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +static void show_regstatus(const char *label, u8 regstatus) +{ + char buf [100]; + + dbg_regstat(buf, sizeof buf, regstatus); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +static void show_chgconfig(int por, const char *label, u8 chgconfig) +{ + char buf [100]; + + dbg_chgconf(por, buf, sizeof buf, chgconfig); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +#else + +static inline void show_chgstatus(const char *label, u8 chgstatus) { } +static inline void show_regstatus(const char *label, u8 chgstatus) { } +static inline void show_chgconfig(int por, const char *label, u8 chgconfig) { } + +#endif + +#ifdef CONFIG_DEBUG_FS + +static int dbg_show(struct seq_file *s, void *_) +{ + struct tps65010 *tps = s->private; + u8 value, v2; + unsigned i; + char buf[100]; + const char *chip; + + switch (tps->model) { + case TPS65010: chip = "tps65010"; break; + case TPS65011: chip = "tps65011"; break; + case TPS65012: chip = "tps65012"; break; + case TPS65013: chip = "tps65013"; break; + default: chip = NULL; break; + } + seq_printf(s, "driver %s\nversion %s\nchip %s\n\n", + DRIVER_NAME, DRIVER_VERSION, chip); + + down(&tps->lock); + + /* FIXME how can we tell whether a battery is present? + * likely involves a charge gauging chip (like BQ26501). + */ + + seq_printf(s, "%scharging\n\n", tps->charging ? "" : "(not) "); + + + /* registers for monitoring battery charging and status; note + * that reading chgstat and regstat may ack IRQs... + */ + value = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG); + dbg_chgconf(tps->por, buf, sizeof buf, value); + seq_printf(s, "chgconfig %s", buf); + + value = i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS); + dbg_chgstat(buf, sizeof buf, value); + seq_printf(s, "chgstat %s", buf); + value = i2c_smbus_read_byte_data(&tps->client, TPS_MASK1); + dbg_chgstat(buf, sizeof buf, value); + seq_printf(s, "mask1 %s", buf); + /* ignore ackint1 */ + + value = i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS); + dbg_regstat(buf, sizeof buf, value); + seq_printf(s, "regstat %s", buf); + value = i2c_smbus_read_byte_data(&tps->client, TPS_MASK2); + dbg_regstat(buf, sizeof buf, value); + seq_printf(s, "mask2 %s\n", buf); + /* ignore ackint2 */ + + (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); + + + /* VMAIN voltage, enable lowpower, etc */ + value = i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC1); + seq_printf(s, "vdcdc1 %02x\n", value); + + /* VCORE voltage, vibrator on/off */ + value = i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC2); + seq_printf(s, "vdcdc2 %02x\n", value); + + /* both LD0s, and their lowpower behavior */ + value = i2c_smbus_read_byte_data(&tps->client, TPS_VREGS1); + seq_printf(s, "vregs1 %02x\n\n", value); + + + /* LEDs and GPIOs */ + value = i2c_smbus_read_byte_data(&tps->client, TPS_LED1_ON); + v2 = i2c_smbus_read_byte_data(&tps->client, TPS_LED1_PER); + seq_printf(s, "led1 %s, on=%02x, per=%02x, %d/%d msec\n", + (value & 0x80) + ? ((v2 & 0x80) ? "on" : "off") + : ((v2 & 0x80) ? "blink" : "(nPG)"), + value, v2, + (value & 0x7f) * 10, (v2 & 0x7f) * 100); + + value = i2c_smbus_read_byte_data(&tps->client, TPS_LED2_ON); + v2 = i2c_smbus_read_byte_data(&tps->client, TPS_LED2_PER); + seq_printf(s, "led2 %s, on=%02x, per=%02x, %d/%d msec\n", + (value & 0x80) + ? ((v2 & 0x80) ? "on" : "off") + : ((v2 & 0x80) ? "blink" : "off"), + value, v2, + (value & 0x7f) * 10, (v2 & 0x7f) * 100); + + value = i2c_smbus_read_byte_data(&tps->client, TPS_DEFGPIO); + v2 = i2c_smbus_read_byte_data(&tps->client, TPS_MASK3); + seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2); + + for (i = 0; i < 4; i++) { + if (value & (1 << (4 +i))) + seq_printf(s, " gpio%d-out %s\n", i + 1, + (value & (1 << i)) ? "low" : "hi "); + else + seq_printf(s, " gpio%d-in %s %s %s\n", i + 1, + (value & (1 << i)) ? "hi " : "low", + (v2 & (1 << i)) ? "no-irq" : "irq", + (v2 & (1 << (4 + i))) ? "rising" : "falling"); + } + + up(&tps->lock); + return 0; +} + +static int dbg_tps_open(struct inode *inode, struct file *file) +{ + return single_open(file, dbg_show, inode->u.generic_ip); +} + +static struct file_operations debug_fops = { + .open = dbg_tps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +#define DEBUG_FOPS &debug_fops + +#else +#define DEBUG_FOPS NULL +#endif + +/*-------------------------------------------------------------------------*/ + +/* handle IRQS in a task context, so we can use I2C calls */ +static void tps65010_interrupt(struct tps65010 *tps) +{ + u8 tmp = 0, mask, poll; + + /* IRQs won't trigger irqs for certain events, but we can get + * others by polling (normally, with external power applied). + */ + poll = 0; + + /* regstatus irqs */ + if (tps->nmask2) { + tmp = i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS); + mask = tmp ^ tps->regstatus; + tps->regstatus = tmp; + mask &= tps->nmask2; + } else + mask = 0; + if (mask) { + tps->regstatus = tmp; + /* may need to shut something down ... */ + + /* "off" usually means deep sleep */ + if (tmp & TPS_REG_ONOFF) { + pr_info("%s: power off button\n", DRIVER_NAME); +#if 0 + /* REVISIT: this might need its own workqueue + * plus tweaks including deadlock avoidance ... + */ + software_suspend(); +#endif + poll = 1; + } + } + + /* chgstatus irqs */ + if (tps->nmask1) { + tmp = i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS); + mask = tmp ^ tps->chgstatus; + tps->chgstatus = tmp; + mask &= tps->nmask1; + } else + mask = 0; + if (mask) { + unsigned charging = 0; + + show_chgstatus("chg/irq", tmp); + if (tmp & (TPS_CHG_USB|TPS_CHG_AC)) + show_chgconfig(tps->por, "conf", tps->chgconf); + + /* Unless it was turned off or disabled, we charge any + * battery whenever there's power available for it + * and the charger hasn't been disabled. + */ + if (!(tps->chgstatus & ~(TPS_CHG_USB|TPS_CHG_AC)) + && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + && (tps->chgconf & TPS_CHARGE_ENABLE) + ) { + if (tps->chgstatus & TPS_CHG_USB) { + /* VBUS options are readonly until reconnect */ + if (mask & TPS_CHG_USB) + set_bit(FLAG_VBUS_CHANGED, &tps->flags); + charging = 1; + } else if (tps->chgstatus & TPS_CHG_AC) + charging = 1; + } + if (charging != tps->charging) { + tps->charging = charging; + pr_info("%s: battery %scharging\n", + DRIVER_NAME, charging ? "" : + ((tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + ? "NOT " : "dis")); + } + } + + /* always poll to detect (a) power removal, without tps65013 + * NO_CHG IRQ; or (b) restart of charging after stop. + */ + if ((tps->model != TPS65013 || !tps->charging) + && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))) + poll = 1; + if (poll) + (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); + + /* also potentially gpio-in rise or fall */ +} + +/* handle IRQs and polling using keventd for now */ +static void tps65010_work(void *_tps) +{ + struct tps65010 *tps = _tps; + + down(&tps->lock); + + tps65010_interrupt(tps); + + if (test_and_clear_bit(FLAG_VBUS_CHANGED, &tps->flags)) { + int status; + u8 chgconfig, tmp; + + chgconfig = i2c_smbus_read_byte_data(&tps->client, + TPS_CHGCONFIG); + chgconfig &= ~(TPS_VBUS_500MA | TPS_VBUS_CHARGING); + if (tps->vbus == 500) + chgconfig |= TPS_VBUS_500MA | TPS_VBUS_CHARGING; + else if (tps->vbus >= 100) + chgconfig |= TPS_VBUS_CHARGING; + + status = i2c_smbus_write_byte_data(&tps->client, + TPS_CHGCONFIG, chgconfig); + + /* vbus update fails unless VBUS is connected! */ + tmp = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG); + tps->chgconf = tmp; + show_chgconfig(tps->por, "update vbus", tmp); + } + + if (test_and_clear_bit(FLAG_IRQ_ENABLE, &tps->flags)) + enable_irq(tps->irq); + + up(&tps->lock); +} + +static irqreturn_t tps65010_irq(int irq, void *_tps, struct pt_regs *regs) +{ + struct tps65010 *tps = _tps; + + disable_irq_nosync(irq); + set_bit(FLAG_IRQ_ENABLE, &tps->flags); + (void) schedule_work(&tps->work); + return IRQ_HANDLED; +} + +/*-------------------------------------------------------------------------*/ + +static struct tps65010 *the_tps; + +static int __exit tps65010_detach_client(struct i2c_client *client) +{ + struct tps65010 *tps; + + tps = container_of(client, struct tps65010, client); +#ifdef CONFIG_ARM + if (machine_is_omap_h2()) + omap_free_gpio(58); + if (machine_is_omap_osk()) + omap_free_gpio(OMAP_MPUIO(1)); +#endif + free_irq(tps->irq, tps); + debugfs_remove(tps->file); + if (i2c_detach_client(client) == 0) + kfree(tps); + the_tps = 0; + return 0; +} + +static int tps65010_noscan(struct i2c_adapter *bus) +{ + /* pure paranoia, in case someone adds another i2c bus + * after our init section's gone... + */ + return -ENODEV; +} + +/* no error returns, they'd just make bus scanning stop */ +static int __init +tps65010_probe(struct i2c_adapter *bus, int address, int kind) +{ + struct tps65010 *tps; + int status; + + if (the_tps) { + dev_dbg(&bus->dev, "only one %s for now\n", DRIVER_NAME); + return 0; + } + + tps = kmalloc(sizeof *tps, GFP_KERNEL); + if (!tps) + return 0; + + memset(tps, 0, sizeof *tps); + init_MUTEX(&tps->lock); + INIT_WORK(&tps->work, tps65010_work, tps); + tps->irq = -1; + tps->client.addr = address; + i2c_set_clientdata(&tps->client, tps); + tps->client.adapter = bus; + tps->client.driver = &tps65010_driver; + strlcpy(tps->client.name, DRIVER_NAME, I2C_NAME_SIZE); + + status = i2c_attach_client(&tps->client); + if (status < 0) { + dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n", + DRIVER_NAME, address, status); +fail1: + kfree(tps); + return 0; + } + +#ifdef CONFIG_ARM + if (machine_is_omap_h2()) { + tps->model = TPS65010; + omap_cfg_reg(W4_GPIO58); + tps->irq = OMAP_GPIO_IRQ(58); + omap_request_gpio(58); + omap_set_gpio_direction(58, 1); + omap_set_gpio_edge_ctrl(58, OMAP_GPIO_FALLING_EDGE); + } + if (machine_is_omap_osk()) { + tps->model = TPS65010; + // omap_cfg_reg(U19_1610_MPUIO1); + tps->irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)); + omap_request_gpio(OMAP_MPUIO(1)); + omap_set_gpio_direction(OMAP_MPUIO(1), 1); + omap_set_gpio_edge_ctrl(OMAP_MPUIO(1), OMAP_GPIO_FALLING_EDGE); + } + if (machine_is_omap_h3()) { + tps->model = TPS65013; + + // FIXME set up this board's IRQ ... + } +#else +#define set_irq_type(num,trigger) do{}while(0) +#endif + + if (tps->irq > 0) { + set_irq_type(tps->irq, IRQT_LOW); + status = request_irq(tps->irq, tps65010_irq, + SA_SAMPLE_RANDOM, DRIVER_NAME, tps); + if (status < 0) { + dev_dbg(&tps->client.dev, "can't get IRQ %d, err %d\n", + tps->irq, status); + i2c_detach_client(&tps->client); + goto fail1; + } +#ifdef CONFIG_ARM + /* annoying race here, ideally we'd have an option + * to claim the irq now and enable it later. + */ + disable_irq(tps->irq); + set_bit(FLAG_IRQ_ENABLE, &tps->flags); +#endif + } else + printk(KERN_WARNING "%s: IRQ not configured!\n", + DRIVER_NAME); + + + switch (tps->model) { + case TPS65010: + case TPS65012: + tps->por = 1; + break; + case TPS_UNKNOWN: + printk(KERN_WARNING "%s: unknown TPS chip\n", DRIVER_NAME); + break; + /* else CHGCONFIG.POR is replaced by AUA, enabling a WAIT mode */ + } + tps->chgconf = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG); + show_chgconfig(tps->por, "conf/init", tps->chgconf); + + show_chgstatus("chg/init", + i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS)); + show_regstatus("reg/init", + i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS)); + + pr_debug("%s: vdcdc1 0x%02x, vdcdc2 %02x, vregs1 %02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC1), + i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC2), + i2c_smbus_read_byte_data(&tps->client, TPS_VREGS1)); + pr_debug("%s: defgpio 0x%02x, mask3 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&tps->client, TPS_DEFGPIO), + i2c_smbus_read_byte_data(&tps->client, TPS_MASK3)); + + tps65010_driver.attach_adapter = tps65010_noscan; + the_tps = tps; + +#if defined(CONFIG_USB_GADGET) && !defined(CONFIG_USB_OTG) + /* USB hosts can't draw VBUS. OTG devices could, later + * when OTG infrastructure enables it. USB peripherals + * could be relying on VBUS while booting, though. + */ + tps->vbus = 100; +#endif + + /* unmask the "interesting" irqs, then poll once to + * kickstart monitoring, initialize shadowed status + * registers, and maybe disable VBUS draw. + */ + tps->nmask1 = ~0; + (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK1, ~tps->nmask1); + + tps->nmask2 = TPS_REG_ONOFF; + if (tps->model == TPS65013) + tps->nmask2 |= TPS_REG_NO_CHG; + (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK2, ~tps->nmask2); + + (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK3, 0x0f + | i2c_smbus_read_byte_data(&tps->client, TPS_MASK3)); + + tps65010_work(tps); + + tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL, + tps, DEBUG_FOPS); + return 0; +} + +static int __init tps65010_scan_bus(struct i2c_adapter *bus) +{ + if (!i2c_check_functionality(bus, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EINVAL; + return i2c_probe(bus, &addr_data, tps65010_probe); +} + +static struct i2c_driver tps65010_driver = { + .owner = THIS_MODULE, + .name = "tps65010", + .id = 888, /* FIXME assign "official" value */ + .flags = I2C_DF_NOTIFY, + .attach_adapter = tps65010_scan_bus, + .detach_client = __exit_p(tps65010_detach_client), +}; + +/*-------------------------------------------------------------------------*/ + +/* Draw from VBUS: + * 0 mA -- DON'T DRAW (might supply power instead) + * 100 mA -- usb unit load (slowest charge rate) + * 500 mA -- usb high power (fast battery charge) + */ +int tps65010_set_vbus_draw(unsigned mA) +{ + unsigned long flags; + + if (!the_tps) + return -ENODEV; + + /* assumes non-SMP */ + local_irq_save(flags); + if (mA >= 500) + mA = 500; + else if (mA >= 100) + mA = 100; + else + mA = 0; + the_tps->vbus = mA; + if ((the_tps->chgstatus & TPS_CHG_USB) + && test_and_set_bit( + FLAG_VBUS_CHANGED, &the_tps->flags)) { + /* gadget drivers call this in_irq() */ + (void) schedule_work(&the_tps->work); + } + local_irq_restore(flags); + + return 0; +} +EXPORT_SYMBOL(tps65010_set_vbus_draw); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_gpio_out_value parameter: + * gpio: GPIO1, GPIO2, GPIO3 or GPIO4 + * value: LOW or HIGH + */ +int tps65010_set_gpio_out_value(unsigned gpio, unsigned value) +{ + int status; + unsigned defgpio; + + if (!the_tps) + return -ENODEV; + if ((gpio < GPIO1) || (gpio > GPIO4)) + return -EINVAL; + + down(&the_tps->lock); + + defgpio = i2c_smbus_read_byte_data(&the_tps->client, TPS_DEFGPIO); + + /* Configure GPIO for output */ + defgpio |= 1 << (gpio + 3); + + /* Writing 1 forces a logic 0 on that GPIO and vice versa */ + switch (value) { + case LOW: + defgpio |= 1 << (gpio - 1); /* set GPIO low by writing 1 */ + break; + /* case HIGH: */ + default: + defgpio &= ~(1 << (gpio - 1)); /* set GPIO high by writing 0 */ + break; + } + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_DEFGPIO, defgpio); + + pr_debug("%s: gpio%dout = %s, defgpio 0x%02x\n", DRIVER_NAME, + gpio, value ? "high" : "low", + i2c_smbus_read_byte_data(&the_tps->client, TPS_DEFGPIO)); + + up(&the_tps->lock); + return status; +} +EXPORT_SYMBOL(tps65010_set_gpio_out_value); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_led parameter: + * led: LED1 or LED2 + * mode: ON, OFF or BLINK + */ +int tps65010_set_led(unsigned led, unsigned mode) +{ + int status; + unsigned led_on, led_per, offs; + + if (!the_tps) + return -ENODEV; + + if(led == LED1) + offs = 0; + else { + offs = 2; + led = LED2; + } + + down(&the_tps->lock); + + dev_dbg (&the_tps->client.dev, "led%i_on 0x%02x\n", led, + i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs)); + + dev_dbg (&the_tps->client.dev, "led%i_per 0x%02x\n", led, + i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_PER + offs)); + + switch (mode) { + case OFF: + led_on = 1 << 7; + led_per = 0 << 7; + break; + case ON: + led_on = 1 << 7; + led_per = 1 << 7; + break; + case BLINK: + led_on = 0x30 | (0 << 7); + led_per = 0x08 | (1 << 7); + break; + default: + printk(KERN_ERR "%s: Wrong mode parameter for tps65010_set_led()\n", + DRIVER_NAME); + up(&the_tps->lock); + return -EINVAL; + } + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_LED1_ON + offs, led_on); + + if (status != 0) { + printk(KERN_ERR "%s: Failed to write led%i_on register\n", + DRIVER_NAME, led); + up(&the_tps->lock); + return status; + } + + dev_dbg (&the_tps->client.dev, "led%i_on 0x%02x\n", led, + i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs)); + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_LED1_PER + offs, led_per); + + if (status != 0) { + printk(KERN_ERR "%s: Failed to write led%i_per register\n", + DRIVER_NAME, led); + up(&the_tps->lock); + return status; + } + + dev_dbg (&the_tps->client.dev, "led%i_per 0x%02x\n", led, + i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_PER + offs)); + + up(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_set_led); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_vib parameter: + * value: ON or OFF + */ +int tps65010_set_vib(unsigned value) +{ + int status; + unsigned vdcdc2; + + if (!the_tps) + return -ENODEV; + + down(&the_tps->lock); + + vdcdc2 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC2); + vdcdc2 &= ~(1 << 1); + if (value) + vdcdc2 |= (1 << 1); + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_VDCDC2, vdcdc2); + + pr_debug("%s: vibrator %s\n", DRIVER_NAME, value ? "on" : "off"); + + up(&the_tps->lock); + return status; +} +EXPORT_SYMBOL(tps65010_set_vib); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_low_pwr parameter: + * mode: ON or OFF + */ +int tps65010_set_low_pwr(unsigned mode) +{ + int status; + unsigned vdcdc1; + + if (!the_tps) + return -ENODEV; + + down(&the_tps->lock); + + pr_debug("%s: %s low_pwr, vdcdc1 0x%02x\n", DRIVER_NAME, + mode ? "enable" : "disable", + i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1)); + + vdcdc1 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1); + + switch (mode) { + case OFF: + vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ + break; + /* case ON: */ + default: + vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ + break; + } + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_VDCDC1, vdcdc1); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1)); + + up(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_set_low_pwr); + +/*-------------------------------------------------------------------------*/ +/* tps65010_config_vregs1 parameter: + * value to be written to VREGS1 register + * Note: The complete register is written, set all bits you need + */ +int tps65010_config_vregs1(unsigned value) +{ + int status; + + if (!the_tps) + return -ENODEV; + + down(&the_tps->lock); + + pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1)); + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_VREGS1, value); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vregs1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1)); + + up(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_config_vregs1); + +/*-------------------------------------------------------------------------*/ +/* tps65013_set_low_pwr parameter: + * mode: ON or OFF + */ + +/* FIXME: Assumes AC or USB power is present. Setting AUA bit is not + required if power supply is through a battery */ + +int tps65013_set_low_pwr(unsigned mode) +{ + int status; + unsigned vdcdc1, chgconfig; + + if (!the_tps || the_tps->por) + return -ENODEV; + + down(&the_tps->lock); + + pr_debug("%s: %s low_pwr, chgconfig 0x%02x vdcdc1 0x%02x\n", + DRIVER_NAME, + mode ? "enable" : "disable", + i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG), + i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1)); + + chgconfig = i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG); + vdcdc1 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1); + + switch (mode) { + case OFF: + chgconfig &= ~TPS65013_AUA; /* disable AUA bit */ + vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ + break; + /* case ON: */ + default: + chgconfig |= TPS65013_AUA; /* enable AUA bit */ + vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ + break; + } + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_CHGCONFIG, chgconfig); + if (status != 0) { + printk(KERN_ERR "%s: Failed to write chconfig register\n", + DRIVER_NAME); + up(&the_tps->lock); + return status; + } + + chgconfig = i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG); + the_tps->chgconf = chgconfig; + show_chgconfig(0, "chgconf", chgconfig); + + status = i2c_smbus_write_byte_data(&the_tps->client, + TPS_VDCDC1, vdcdc1); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1)); + + up(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65013_set_low_pwr); + +/*-------------------------------------------------------------------------*/ + +static int __init tps_init(void) +{ + u32 tries = 3; + int status = -ENODEV; + + printk(KERN_INFO "%s: version %s\n", DRIVER_NAME, DRIVER_VERSION); + + /* some boards have startup glitches */ + while (tries--) { + status = i2c_add_driver(&tps65010_driver); + if (the_tps) + break; + i2c_del_driver(&tps65010_driver); + if (!tries) { + printk(KERN_ERR "%s: no chip?\n", DRIVER_NAME); + return -ENODEV; + } + pr_debug("%s: re-probe ...\n", DRIVER_NAME); + msleep(10); + } + +#if defined(CONFIG_ARM) + if (machine_is_omap_osk()) { + + // FIXME: More should be placed in the initialization code + // of the submodules (DSP, ethernet, power management, + // board-osk.c). Careful: I2C is initialized "late". + + /* Let LED1 (D9) blink */ + tps65010_set_led(LED1, BLINK); + + /* Disable LED 2 (D2) */ + tps65010_set_led(LED2, OFF); + + /* Set GPIO 1 HIGH to disable VBUS power supply; + * OHCI driver powers it up/down as needed. + */ + tps65010_set_gpio_out_value(GPIO1, HIGH); + + /* Set GPIO 2 low to turn on LED D3 */ + tps65010_set_gpio_out_value(GPIO2, HIGH); + + /* Set GPIO 3 low to take ethernet out of reset */ + tps65010_set_gpio_out_value(GPIO3, LOW); + + /* gpio4 for VDD_DSP */ + + /* Enable LOW_PWR */ + tps65010_set_low_pwr(ON); + + /* Switch VLDO2 to 3.0V for AIC23 */ + tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V | TPS_LDO1_ENABLE); + + } else if (machine_is_omap_h2()) { + /* gpio3 for SD, gpio4 for VDD_DSP */ + + /* Enable LOW_PWR */ + tps65010_set_low_pwr(ON); + } else if (machine_is_omap_h3()) { + /* gpio4 for SD, gpio3 for VDD_DSP */ +#ifdef CONFIG_PM + /* Enable LOW_PWR */ + tps65013_set_low_pwr(ON); +#endif + } +#endif + + return status; +} +/* NOTE: this MUST be initialized before the other parts of the system + * that rely on it ... but after the i2c bus on which this relies. + * That is, much earlier than on PC-type systems, which don't often use + * I2C as a core system bus. + */ +subsys_initcall(tps_init); + +static void __exit tps_exit(void) +{ + i2c_del_driver(&tps65010_driver); +} +module_exit(tps_exit); + diff --git a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c index fefc24a9251..137d9b7cacd 100644 --- a/drivers/i2c/chips/via686a.c +++ b/drivers/i2c/chips/via686a.c @@ -1,12 +1,12 @@ /* via686a.c - Part of lm_sensors, Linux kernel modules for hardware monitoring - + Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>, Kyösti Mälkki <kmalkki@cc.hut.fi>, Mark Studebaker <mdsxyz123@yahoo.com>, and Bob Dougherty <bobd@stanford.edu> - (Some conversion-factor data were contributed by Jonathan Teh Soon Yew + (Some conversion-factor data were contributed by Jonathan Teh Soon Yew <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.) This program is free software; you can redistribute it and/or modify @@ -30,11 +30,9 @@ Warning - only supports a single device. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/pci.h> -#include <linux/delay.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-sensor.h> @@ -66,49 +64,46 @@ SENSORS_INSMOD_1(via686a); /* Many VIA686A constants specified below */ /* Length of ISA address segment */ -#define VIA686A_EXTENT 0x80 -#define VIA686A_BASE_REG 0x70 -#define VIA686A_ENABLE_REG 0x74 +#define VIA686A_EXTENT 0x80 +#define VIA686A_BASE_REG 0x70 +#define VIA686A_ENABLE_REG 0x74 /* The VIA686A registers */ /* ins numbered 0-4 */ -#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2)) -#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2)) -#define VIA686A_REG_IN(nr) (0x22 + (nr)) +#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2)) +#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2)) +#define VIA686A_REG_IN(nr) (0x22 + (nr)) /* fans numbered 1-2 */ -#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr)) -#define VIA686A_REG_FAN(nr) (0x28 + (nr)) - -/* the following values are as speced by VIA: */ -static const u8 regtemp[] = { 0x20, 0x21, 0x1f }; -static const u8 regover[] = { 0x39, 0x3d, 0x1d }; -static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e }; +#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr)) +#define VIA686A_REG_FAN(nr) (0x28 + (nr)) /* temps numbered 1-3 */ -#define VIA686A_REG_TEMP(nr) (regtemp[nr]) -#define VIA686A_REG_TEMP_OVER(nr) (regover[nr]) -#define VIA686A_REG_TEMP_HYST(nr) (reghyst[nr]) -#define VIA686A_REG_TEMP_LOW1 0x4b // bits 7-6 -#define VIA686A_REG_TEMP_LOW23 0x49 // 2 = bits 5-4, 3 = bits 7-6 - -#define VIA686A_REG_ALARM1 0x41 -#define VIA686A_REG_ALARM2 0x42 -#define VIA686A_REG_FANDIV 0x47 -#define VIA686A_REG_CONFIG 0x40 -/* The following register sets temp interrupt mode (bits 1-0 for temp1, +static const u8 VIA686A_REG_TEMP[] = { 0x20, 0x21, 0x1f }; +static const u8 VIA686A_REG_TEMP_OVER[] = { 0x39, 0x3d, 0x1d }; +static const u8 VIA686A_REG_TEMP_HYST[] = { 0x3a, 0x3e, 0x1e }; +/* bits 7-6 */ +#define VIA686A_REG_TEMP_LOW1 0x4b +/* 2 = bits 5-4, 3 = bits 7-6 */ +#define VIA686A_REG_TEMP_LOW23 0x49 + +#define VIA686A_REG_ALARM1 0x41 +#define VIA686A_REG_ALARM2 0x42 +#define VIA686A_REG_FANDIV 0x47 +#define VIA686A_REG_CONFIG 0x40 +/* The following register sets temp interrupt mode (bits 1-0 for temp1, 3-2 for temp2, 5-4 for temp3). Modes are: 00 interrupt stays as long as value is out-of-range 01 interrupt is cleared once register is read (default) 10 comparator mode- like 00, but ignores hysteresis 11 same as 00 */ -#define VIA686A_REG_TEMP_MODE 0x4b +#define VIA686A_REG_TEMP_MODE 0x4b /* We'll just assume that you want to set all 3 simultaneously: */ -#define VIA686A_TEMP_MODE_MASK 0x3F -#define VIA686A_TEMP_MODE_CONTINUOUS (0x00) +#define VIA686A_TEMP_MODE_MASK 0x3F +#define VIA686A_TEMP_MODE_CONTINUOUS 0x00 /* Conversions. Limit checking is only done on the TO_REG - variants. + variants. ********* VOLTAGE CONVERSIONS (Bob Dougherty) ******** From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew): @@ -121,7 +116,7 @@ static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e }; That is: volts = (25*regVal+133)*factor regVal = (volts/factor-133)/25 - (These conversions were contributed by Jonathan Teh Soon Yew + (These conversions were contributed by Jonathan Teh Soon Yew <j.teh@iname.com>) */ static inline u8 IN_TO_REG(long val, int inNum) { @@ -182,55 +177,55 @@ static inline u8 FAN_TO_REG(long rpm, int div) else return double(temp)*0.924-127.33; - A fifth-order polynomial fits the unofficial data (provided by Alex van - Kaam <darkside@chello.nl>) a bit better. It also give more reasonable - numbers on my machine (ie. they agree with what my BIOS tells me). + A fifth-order polynomial fits the unofficial data (provided by Alex van + Kaam <darkside@chello.nl>) a bit better. It also give more reasonable + numbers on my machine (ie. they agree with what my BIOS tells me). Here's the fifth-order fit to the 8-bit data: - temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 - + temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 - 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0. - (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for + (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for finding my typos in this formula!) - Alas, none of the elegant function-fit solutions will work because we - aren't allowed to use floating point in the kernel and doing it with - integers doesn't rpovide enough precision. So we'll do boring old - look-up table stuff. The unofficial data (see below) have effectively - 7-bit resolution (they are rounded to the nearest degree). I'm assuming - that the transfer function of the device is monotonic and smooth, so a - smooth function fit to the data will allow us to get better precision. + Alas, none of the elegant function-fit solutions will work because we + aren't allowed to use floating point in the kernel and doing it with + integers doesn't provide enough precision. So we'll do boring old + look-up table stuff. The unofficial data (see below) have effectively + 7-bit resolution (they are rounded to the nearest degree). I'm assuming + that the transfer function of the device is monotonic and smooth, so a + smooth function fit to the data will allow us to get better precision. I used the 5th-order poly fit described above and solved for - VIA register values 0-255. I *10 before rounding, so we get tenth-degree - precision. (I could have done all 1024 values for our 10-bit readings, - but the function is very linear in the useful range (0-80 deg C), so - we'll just use linear interpolation for 10-bit readings.) So, tempLUT + VIA register values 0-255. I *10 before rounding, so we get tenth-degree + precision. (I could have done all 1024 values for our 10-bit readings, + but the function is very linear in the useful range (0-80 deg C), so + we'll just use linear interpolation for 10-bit readings.) So, tempLUT is the temp at via register values 0-255: */ static const long tempLUT[] = - { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519, - -503, -487, -471, -456, -442, -428, -414, -400, -387, -375, - -362, -350, -339, -327, -316, -305, -295, -285, -275, -265, - -255, -246, -237, -229, -220, -212, -204, -196, -188, -180, - -173, -166, -159, -152, -145, -139, -132, -126, -120, -114, - -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49, - -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16, - 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84, - 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138, - 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189, - 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241, - 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294, - 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348, - 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404, - 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464, - 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532, - 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614, - 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718, - 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856, - 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044, - 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252, - 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462 +{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519, + -503, -487, -471, -456, -442, -428, -414, -400, -387, -375, + -362, -350, -339, -327, -316, -305, -295, -285, -275, -265, + -255, -246, -237, -229, -220, -212, -204, -196, -188, -180, + -173, -166, -159, -152, -145, -139, -132, -126, -120, -114, + -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49, + -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16, + 20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84, + 88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138, + 142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189, + 193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241, + 245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294, + 299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348, + 353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404, + 409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464, + 469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532, + 538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614, + 621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718, + 728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856, + 870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044, + 1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252, + 1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462 }; -/* the original LUT values from Alex van Kaam <darkside@chello.nl> +/* the original LUT values from Alex van Kaam <darkside@chello.nl> (for via register values 12-240): {-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31, -30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15, @@ -245,26 +240,26 @@ static const long tempLUT[] = Here's the reverse LUT. I got it by doing a 6-th order poly fit (needed - an extra term for a good fit to these inverse data!) and then - solving for each temp value from -50 to 110 (the useable range for - this chip). Here's the fit: - viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4 + an extra term for a good fit to these inverse data!) and then + solving for each temp value from -50 to 110 (the useable range for + this chip). Here's the fit: + viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4 - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01) Note that n=161: */ static const u8 viaLUT[] = - { 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23, - 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40, - 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, - 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100, - 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129, - 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156, - 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, - 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199, - 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213, - 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224, - 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232, - 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239, - 239, 240 +{ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40, + 41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, + 69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100, + 103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129, + 131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156, + 158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180, + 182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199, + 200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213, + 214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224, + 225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232, + 233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239, + 239, 240 }; /* Converting temps to (8-bit) hyst and over registers @@ -272,7 +267,7 @@ static const u8 viaLUT[] = The +50 is because the temps start at -50 */ static inline u8 TEMP_TO_REG(long val) { - return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 : + return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 : (val < 0 ? val - 500 : val + 500) / 1000 + 50]; } @@ -291,11 +286,9 @@ static inline long TEMP_FROM_REG10(u16 val) /* do some linear interpolation */ return (tempLUT[eightBits] * (4 - twoBits) + - tempLUT[eightBits + 1] * twoBits) * 25; + tempLUT[eightBits + 1] * twoBits) * 25; } -#define ALARMS_FROM_REG(val) (val) - #define DIV_FROM_REG(val) (1 << (val)) #define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1) @@ -358,28 +351,28 @@ static ssize_t show_in_max(struct device *dev, char *buf, int nr) { return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr)); } -static ssize_t set_in_min(struct device *dev, const char *buf, +static ssize_t set_in_min(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); - data->in_min[nr] = IN_TO_REG(val,nr); - via686a_write_value(client, VIA686A_REG_IN_MIN(nr), + data->in_min[nr] = IN_TO_REG(val, nr); + via686a_write_value(client, VIA686A_REG_IN_MIN(nr), data->in_min[nr]); up(&data->update_lock); return count; } -static ssize_t set_in_max(struct device *dev, const char *buf, +static ssize_t set_in_max(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); - data->in_max[nr] = IN_TO_REG(val,nr); - via686a_write_value(client, VIA686A_REG_IN_MAX(nr), + data->in_max[nr] = IN_TO_REG(val, nr); + via686a_write_value(client, VIA686A_REG_IN_MAX(nr), data->in_max[nr]); up(&data->update_lock); return count; @@ -435,7 +428,7 @@ static ssize_t show_temp_hyst(struct device *dev, char *buf, int nr) { struct via686a_data *data = via686a_update_device(dev); return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr])); } -static ssize_t set_temp_over(struct device *dev, const char *buf, +static ssize_t set_temp_over(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); @@ -443,11 +436,12 @@ static ssize_t set_temp_over(struct device *dev, const char *buf, down(&data->update_lock); data->temp_over[nr] = TEMP_TO_REG(val); - via686a_write_value(client, VIA686A_REG_TEMP_OVER(nr), data->temp_over[nr]); + via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr], + data->temp_over[nr]); up(&data->update_lock); return count; } -static ssize_t set_temp_hyst(struct device *dev, const char *buf, +static ssize_t set_temp_hyst(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); @@ -455,7 +449,8 @@ static ssize_t set_temp_hyst(struct device *dev, const char *buf, down(&data->update_lock); data->temp_hyst[nr] = TEMP_TO_REG(val); - via686a_write_value(client, VIA686A_REG_TEMP_HYST(nr), data->temp_hyst[nr]); + via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr], + data->temp_hyst[nr]); up(&data->update_lock); return count; } @@ -488,7 +483,7 @@ static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL);\ static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ show_temp_##offset##_over, set_temp_##offset##_over); \ static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_hyst, set_temp_##offset##_hyst); + show_temp_##offset##_hyst, set_temp_##offset##_hyst); show_temp_offset(1); show_temp_offset(2); @@ -497,19 +492,19 @@ show_temp_offset(3); /* 2 Fans */ static ssize_t show_fan(struct device *dev, char *buf, int nr) { struct via686a_data *data = via686a_update_device(dev); - return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr])) ); } static ssize_t show_fan_min(struct device *dev, char *buf, int nr) { struct via686a_data *data = via686a_update_device(dev); - return sprintf(buf,"%d\n", + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) ); } static ssize_t show_fan_div(struct device *dev, char *buf, int nr) { struct via686a_data *data = via686a_update_device(dev); - return sprintf(buf,"%d\n", DIV_FROM_REG(data->fan_div[nr]) ); + return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) ); } -static ssize_t set_fan_min(struct device *dev, const char *buf, +static ssize_t set_fan_min(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); @@ -521,7 +516,7 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t set_fan_div(struct device *dev, const char *buf, +static ssize_t set_fan_div(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct via686a_data *data = i2c_get_clientdata(client); @@ -572,7 +567,7 @@ show_fan_offset(2); /* Alarms */ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct via686a_data *data = via686a_update_device(dev); - return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms)); + return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); @@ -612,11 +607,12 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind) } /* 8231 requires multiple of 256, we enforce that on 686 as well */ - if(force_addr) + if (force_addr) address = force_addr & 0xFF00; - if(force_addr) { - dev_warn(&adapter->dev,"forcing ISA address 0x%04X\n", address); + if (force_addr) { + dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", + address); if (PCIBIOS_SUCCESSFUL != pci_write_config_word(s_bridge, VIA686A_BASE_REG, address)) return -ENODEV; @@ -625,17 +621,17 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind) pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val)) return -ENODEV; if (!(val & 0x0001)) { - dev_warn(&adapter->dev,"enabling sensors\n"); + dev_warn(&adapter->dev, "enabling sensors\n"); if (PCIBIOS_SUCCESSFUL != pci_write_config_word(s_bridge, VIA686A_ENABLE_REG, - val | 0x0001)) + val | 0x0001)) return -ENODEV; } /* Reserve the ISA region */ if (!request_region(address, VIA686A_EXTENT, via686a_driver.name)) { - dev_err(&adapter->dev,"region 0x%x already in use!\n", - address); + dev_err(&adapter->dev, "region 0x%x already in use!\n", + address); return -ENODEV; } @@ -660,7 +656,7 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind) /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) goto ERROR3; - + /* Initialize the VIA686A chip */ via686a_init_client(new_client); @@ -699,9 +695,9 @@ static int via686a_detect(struct i2c_adapter *adapter, int address, int kind) return 0; - ERROR3: +ERROR3: kfree(data); - ERROR0: +ERROR0: release_region(address, VIA686A_EXTENT); return err; } @@ -732,7 +728,7 @@ static void via686a_init_client(struct i2c_client *client) via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F); /* Configure temp interrupt mode for continuous-interrupt operation */ - via686a_write_value(client, VIA686A_REG_TEMP_MODE, + via686a_write_value(client, VIA686A_REG_TEMP_MODE, via686a_read_value(client, VIA686A_REG_TEMP_MODE) & !(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS)); } @@ -764,15 +760,15 @@ static struct via686a_data *via686a_update_device(struct device *dev) } for (i = 0; i <= 2; i++) { data->temp[i] = via686a_read_value(client, - VIA686A_REG_TEMP(i)) << 2; + VIA686A_REG_TEMP[i]) << 2; data->temp_over[i] = via686a_read_value(client, - VIA686A_REG_TEMP_OVER(i)); + VIA686A_REG_TEMP_OVER[i]); data->temp_hyst[i] = via686a_read_value(client, - VIA686A_REG_TEMP_HYST(i)); + VIA686A_REG_TEMP_HYST[i]); } - /* add in lower 2 bits + /* add in lower 2 bits temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1 temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23 temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23 @@ -804,35 +800,36 @@ static struct via686a_data *via686a_update_device(struct device *dev) } static struct pci_device_id via686a_pci_ids[] = { - { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) }, - { 0, } + { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) }, + { 0, } }; MODULE_DEVICE_TABLE(pci, via686a_pci_ids); static int __devinit via686a_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) + const struct pci_device_id *id) { - u16 val; - int addr = 0; - - if (PCIBIOS_SUCCESSFUL != - pci_read_config_word(dev, VIA686A_BASE_REG, &val)) - return -ENODEV; - - addr = val & ~(VIA686A_EXTENT - 1); - if (addr == 0 && force_addr == 0) { - dev_err(&dev->dev,"base address not set - upgrade BIOS or use force_addr=0xaddr\n"); - return -ENODEV; - } - if (force_addr) - addr = force_addr; /* so detect will get called */ - - if (!addr) { - dev_err(&dev->dev,"No Via 686A sensors found.\n"); - return -ENODEV; - } - normal_isa[0] = addr; + u16 val; + int addr = 0; + + if (PCIBIOS_SUCCESSFUL != + pci_read_config_word(dev, VIA686A_BASE_REG, &val)) + return -ENODEV; + + addr = val & ~(VIA686A_EXTENT - 1); + if (addr == 0 && force_addr == 0) { + dev_err(&dev->dev, "base address not set - upgrade BIOS " + "or use force_addr=0xaddr\n"); + return -ENODEV; + } + if (force_addr) + addr = force_addr; /* so detect will get called */ + + if (!addr) { + dev_err(&dev->dev, "No Via 686A sensors found.\n"); + return -ENODEV; + } + normal_isa[0] = addr; s_bridge = pci_dev_get(dev); if (i2c_add_driver(&via686a_driver)) { @@ -848,14 +845,14 @@ static int __devinit via686a_pci_probe(struct pci_dev *dev, } static struct pci_driver via686a_pci_driver = { - .name = "via686a", - .id_table = via686a_pci_ids, - .probe = via686a_pci_probe, + .name = "via686a", + .id_table = via686a_pci_ids, + .probe = via686a_pci_probe, }; static int __init sm_via686a_init(void) { - return pci_register_driver(&via686a_pci_driver); + return pci_register_driver(&via686a_pci_driver); } static void __exit sm_via686a_exit(void) @@ -869,8 +866,8 @@ static void __exit sm_via686a_exit(void) } MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, " - "Mark Studebaker <mdsxyz123@yahoo.com> " - "and Bob Dougherty <bobd@stanford.edu>"); + "Mark Studebaker <mdsxyz123@yahoo.com> " + "and Bob Dougherty <bobd@stanford.edu>"); MODULE_DESCRIPTION("VIA 686A Sensor device"); MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/chips/w83627ehf.c b/drivers/i2c/chips/w83627ehf.c new file mode 100644 index 00000000000..8a40b6976e1 --- /dev/null +++ b/drivers/i2c/chips/w83627ehf.c @@ -0,0 +1,846 @@ +/* + w83627ehf - Driver for the hardware monitoring functionality of + the Winbond W83627EHF Super-I/O chip + Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> + + Shamelessly ripped from the w83627hf driver + Copyright (C) 2003 Mark Studebaker + + Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help + in testing and debugging this driver. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + + Supports the following chips: + + Chip #vin #fan #pwm #temp chip_id man_id + w83627ehf - 5 - 3 0x88 0x5ca3 + + This is a preliminary version of the driver, only supporting the + fan and temperature inputs. The chip does much more than that. +*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/i2c-sensor.h> +#include <asm/io.h> +#include "lm75.h" + +/* Addresses to scan + The actual ISA address is read from Super-I/O configuration space */ +static unsigned short normal_i2c[] = { I2C_CLIENT_END }; +static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; + +/* Insmod parameters */ +SENSORS_INSMOD_1(w83627ehf); + +/* + * Super-I/O constants and functions + */ + +static int REG; /* The register to read/write */ +static int VAL; /* The value to read/write */ + +#define W83627EHF_LD_HWM 0x0b + +#define SIO_REG_LDSEL 0x07 /* Logical device select */ +#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ +#define SIO_REG_ENABLE 0x30 /* Logical device enable */ +#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ + +#define SIO_W83627EHF_ID 0x8840 +#define SIO_ID_MASK 0xFFC0 + +static inline void +superio_outb(int reg, int val) +{ + outb(reg, REG); + outb(val, VAL); +} + +static inline int +superio_inb(int reg) +{ + outb(reg, REG); + return inb(VAL); +} + +static inline void +superio_select(int ld) +{ + outb(SIO_REG_LDSEL, REG); + outb(ld, VAL); +} + +static inline void +superio_enter(void) +{ + outb(0x87, REG); + outb(0x87, REG); +} + +static inline void +superio_exit(void) +{ + outb(0x02, REG); + outb(0x02, VAL); +} + +/* + * ISA constants + */ + +#define REGION_LENGTH 8 +#define ADDR_REG_OFFSET 5 +#define DATA_REG_OFFSET 6 + +#define W83627EHF_REG_BANK 0x4E +#define W83627EHF_REG_CONFIG 0x40 +#define W83627EHF_REG_CHIP_ID 0x49 +#define W83627EHF_REG_MAN_ID 0x4F + +static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; +static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; + +#define W83627EHF_REG_TEMP1 0x27 +#define W83627EHF_REG_TEMP1_HYST 0x3a +#define W83627EHF_REG_TEMP1_OVER 0x39 +static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; +static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; +static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; +static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; + +/* Fan clock dividers are spread over the following five registers */ +#define W83627EHF_REG_FANDIV1 0x47 +#define W83627EHF_REG_FANDIV2 0x4B +#define W83627EHF_REG_VBAT 0x5D +#define W83627EHF_REG_DIODE 0x59 +#define W83627EHF_REG_SMI_OVT 0x4C + +/* + * Conversions + */ + +static inline unsigned int +fan_from_reg(u8 reg, unsigned int div) +{ + if (reg == 0 || reg == 255) + return 0; + return 1350000U / (reg * div); +} + +static inline unsigned int +div_from_reg(u8 reg) +{ + return 1 << reg; +} + +static inline int +temp1_from_reg(s8 reg) +{ + return reg * 1000; +} + +static inline s8 +temp1_to_reg(int temp) +{ + if (temp <= -128000) + return -128; + if (temp >= 127000) + return 127; + if (temp < 0) + return (temp - 500) / 1000; + return (temp + 500) / 1000; +} + +/* + * Data structures and manipulation thereof + */ + +struct w83627ehf_data { + struct i2c_client client; + struct semaphore lock; + + struct semaphore update_lock; + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + /* Register values */ + u8 fan[5]; + u8 fan_min[5]; + u8 fan_div[5]; + u8 has_fan; /* some fan inputs can be disabled */ + s8 temp1; + s8 temp1_max; + s8 temp1_max_hyst; + s16 temp[2]; + s16 temp_max[2]; + s16 temp_max_hyst[2]; +}; + +static inline int is_word_sized(u16 reg) +{ + return (((reg & 0xff00) == 0x100 + || (reg & 0xff00) == 0x200) + && ((reg & 0x00ff) == 0x50 + || (reg & 0x00ff) == 0x53 + || (reg & 0x00ff) == 0x55)); +} + +/* We assume that the default bank is 0, thus the following two functions do + nothing for registers which live in bank 0. For others, they respectively + set the bank register to the correct value (before the register is + accessed), and back to 0 (afterwards). */ +static inline void w83627ehf_set_bank(struct i2c_client *client, u16 reg) +{ + if (reg & 0xff00) { + outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); + outb_p(reg >> 8, client->addr + DATA_REG_OFFSET); + } +} + +static inline void w83627ehf_reset_bank(struct i2c_client *client, u16 reg) +{ + if (reg & 0xff00) { + outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); + outb_p(0, client->addr + DATA_REG_OFFSET); + } +} + +static u16 w83627ehf_read_value(struct i2c_client *client, u16 reg) +{ + struct w83627ehf_data *data = i2c_get_clientdata(client); + int res, word_sized = is_word_sized(reg); + + down(&data->lock); + + w83627ehf_set_bank(client, reg); + outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); + res = inb_p(client->addr + DATA_REG_OFFSET); + if (word_sized) { + outb_p((reg & 0xff) + 1, + client->addr + ADDR_REG_OFFSET); + res = (res << 8) + inb_p(client->addr + DATA_REG_OFFSET); + } + w83627ehf_reset_bank(client, reg); + + up(&data->lock); + + return res; +} + +static int w83627ehf_write_value(struct i2c_client *client, u16 reg, u16 value) +{ + struct w83627ehf_data *data = i2c_get_clientdata(client); + int word_sized = is_word_sized(reg); + + down(&data->lock); + + w83627ehf_set_bank(client, reg); + outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); + if (word_sized) { + outb_p(value >> 8, client->addr + DATA_REG_OFFSET); + outb_p((reg & 0xff) + 1, + client->addr + ADDR_REG_OFFSET); + } + outb_p(value & 0xff, client->addr + DATA_REG_OFFSET); + w83627ehf_reset_bank(client, reg); + + up(&data->lock); + return 0; +} + +/* This function assumes that the caller holds data->update_lock */ +static void w83627ehf_write_fan_div(struct i2c_client *client, int nr) +{ + struct w83627ehf_data *data = i2c_get_clientdata(client); + u8 reg; + + switch (nr) { + case 0: + reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0xcf) + | ((data->fan_div[0] & 0x03) << 4); + w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); + reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xdf) + | ((data->fan_div[0] & 0x04) << 3); + w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); + break; + case 1: + reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0x3f) + | ((data->fan_div[1] & 0x03) << 6); + w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); + reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xbf) + | ((data->fan_div[1] & 0x04) << 4); + w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); + break; + case 2: + reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV2) & 0x3f) + | ((data->fan_div[2] & 0x03) << 6); + w83627ehf_write_value(client, W83627EHF_REG_FANDIV2, reg); + reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0x7f) + | ((data->fan_div[2] & 0x04) << 5); + w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); + break; + case 3: + reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0xfc) + | (data->fan_div[3] & 0x03); + w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); + reg = (w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT) & 0x7f) + | ((data->fan_div[3] & 0x04) << 5); + w83627ehf_write_value(client, W83627EHF_REG_SMI_OVT, reg); + break; + case 4: + reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0x73) + | ((data->fan_div[4] & 0x03) << 3) + | ((data->fan_div[4] & 0x04) << 5); + w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); + break; + } +} + +static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83627ehf_data *data = i2c_get_clientdata(client); + int i; + + down(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ) + || !data->valid) { + /* Fan clock dividers */ + i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); + data->fan_div[0] = (i >> 4) & 0x03; + data->fan_div[1] = (i >> 6) & 0x03; + i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV2); + data->fan_div[2] = (i >> 6) & 0x03; + i = w83627ehf_read_value(client, W83627EHF_REG_VBAT); + data->fan_div[0] |= (i >> 3) & 0x04; + data->fan_div[1] |= (i >> 4) & 0x04; + data->fan_div[2] |= (i >> 5) & 0x04; + if (data->has_fan & ((1 << 3) | (1 << 4))) { + i = w83627ehf_read_value(client, W83627EHF_REG_DIODE); + data->fan_div[3] = i & 0x03; + data->fan_div[4] = ((i >> 2) & 0x03) + | ((i >> 5) & 0x04); + } + if (data->has_fan & (1 << 3)) { + i = w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT); + data->fan_div[3] |= (i >> 5) & 0x04; + } + + /* Measured fan speeds and limits */ + for (i = 0; i < 5; i++) { + if (!(data->has_fan & (1 << i))) + continue; + + data->fan[i] = w83627ehf_read_value(client, + W83627EHF_REG_FAN[i]); + data->fan_min[i] = w83627ehf_read_value(client, + W83627EHF_REG_FAN_MIN[i]); + + /* If we failed to measure the fan speed and clock + divider can be increased, let's try that for next + time */ + if (data->fan[i] == 0xff + && data->fan_div[i] < 0x07) { + dev_dbg(&client->dev, "Increasing fan %d " + "clock divider from %u to %u\n", + i, div_from_reg(data->fan_div[i]), + div_from_reg(data->fan_div[i] + 1)); + data->fan_div[i]++; + w83627ehf_write_fan_div(client, i); + /* Preserve min limit if possible */ + if (data->fan_min[i] >= 2 + && data->fan_min[i] != 255) + w83627ehf_write_value(client, + W83627EHF_REG_FAN_MIN[i], + (data->fan_min[i] /= 2)); + } + } + + /* Measured temperatures and limits */ + data->temp1 = w83627ehf_read_value(client, + W83627EHF_REG_TEMP1); + data->temp1_max = w83627ehf_read_value(client, + W83627EHF_REG_TEMP1_OVER); + data->temp1_max_hyst = w83627ehf_read_value(client, + W83627EHF_REG_TEMP1_HYST); + for (i = 0; i < 2; i++) { + data->temp[i] = w83627ehf_read_value(client, + W83627EHF_REG_TEMP[i]); + data->temp_max[i] = w83627ehf_read_value(client, + W83627EHF_REG_TEMP_OVER[i]); + data->temp_max_hyst[i] = w83627ehf_read_value(client, + W83627EHF_REG_TEMP_HYST[i]); + } + + data->last_updated = jiffies; + data->valid = 1; + } + + up(&data->update_lock); + return data; +} + +/* + * Sysfs callback functions + */ + +#define show_fan_reg(reg) \ +static ssize_t \ +show_##reg(struct device *dev, char *buf, int nr) \ +{ \ + struct w83627ehf_data *data = w83627ehf_update_device(dev); \ + return sprintf(buf, "%d\n", \ + fan_from_reg(data->reg[nr], \ + div_from_reg(data->fan_div[nr]))); \ +} +show_fan_reg(fan); +show_fan_reg(fan_min); + +static ssize_t +show_fan_div(struct device *dev, char *buf, int nr) +{ + struct w83627ehf_data *data = w83627ehf_update_device(dev); + return sprintf(buf, "%u\n", + div_from_reg(data->fan_div[nr])); +} + +static ssize_t +store_fan_min(struct device *dev, const char *buf, size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83627ehf_data *data = i2c_get_clientdata(client); + unsigned int val = simple_strtoul(buf, NULL, 10); + unsigned int reg; + u8 new_div; + + down(&data->update_lock); + if (!val) { + /* No min limit, alarm disabled */ + data->fan_min[nr] = 255; + new_div = data->fan_div[nr]; /* No change */ + dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); + } else if ((reg = 1350000U / val) >= 128 * 255) { + /* Speed below this value cannot possibly be represented, + even with the highest divider (128) */ + data->fan_min[nr] = 254; + new_div = 7; /* 128 == (1 << 7) */ + dev_warn(dev, "fan%u low limit %u below minimum %u, set to " + "minimum\n", nr + 1, val, fan_from_reg(254, 128)); + } else if (!reg) { + /* Speed above this value cannot possibly be represented, + even with the lowest divider (1) */ + data->fan_min[nr] = 1; + new_div = 0; /* 1 == (1 << 0) */ + dev_warn(dev, "fan%u low limit %u above maximum %u, set to " + "maximum\n", nr + 1, val, fan_from_reg(1, 1)); + } else { + /* Automatically pick the best divider, i.e. the one such + that the min limit will correspond to a register value + in the 96..192 range */ + new_div = 0; + while (reg > 192 && new_div < 7) { + reg >>= 1; + new_div++; + } + data->fan_min[nr] = reg; + } + + /* Write both the fan clock divider (if it changed) and the new + fan min (unconditionally) */ + if (new_div != data->fan_div[nr]) { + if (new_div > data->fan_div[nr]) + data->fan[nr] >>= (data->fan_div[nr] - new_div); + else + data->fan[nr] <<= (new_div - data->fan_div[nr]); + + dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", + nr + 1, div_from_reg(data->fan_div[nr]), + div_from_reg(new_div)); + data->fan_div[nr] = new_div; + w83627ehf_write_fan_div(client, nr); + } + w83627ehf_write_value(client, W83627EHF_REG_FAN_MIN[nr], + data->fan_min[nr]); + up(&data->update_lock); + + return count; +} + +#define sysfs_fan_offset(offset) \ +static ssize_t \ +show_reg_fan_##offset(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_fan(dev, buf, offset-1); \ +} \ +static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ + show_reg_fan_##offset, NULL); + +#define sysfs_fan_min_offset(offset) \ +static ssize_t \ +show_reg_fan##offset##_min(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_fan_min(dev, buf, offset-1); \ +} \ +static ssize_t \ +store_reg_fan##offset##_min(struct device *dev, struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + return store_fan_min(dev, buf, count, offset-1); \ +} \ +static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + show_reg_fan##offset##_min, \ + store_reg_fan##offset##_min); + +#define sysfs_fan_div_offset(offset) \ +static ssize_t \ +show_reg_fan##offset##_div(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_fan_div(dev, buf, offset - 1); \ +} \ +static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \ + show_reg_fan##offset##_div, NULL); + +sysfs_fan_offset(1); +sysfs_fan_min_offset(1); +sysfs_fan_div_offset(1); +sysfs_fan_offset(2); +sysfs_fan_min_offset(2); +sysfs_fan_div_offset(2); +sysfs_fan_offset(3); +sysfs_fan_min_offset(3); +sysfs_fan_div_offset(3); +sysfs_fan_offset(4); +sysfs_fan_min_offset(4); +sysfs_fan_div_offset(4); +sysfs_fan_offset(5); +sysfs_fan_min_offset(5); +sysfs_fan_div_offset(5); + +#define show_temp1_reg(reg) \ +static ssize_t \ +show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct w83627ehf_data *data = w83627ehf_update_device(dev); \ + return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ +} +show_temp1_reg(temp1); +show_temp1_reg(temp1_max); +show_temp1_reg(temp1_max_hyst); + +#define store_temp1_reg(REG, reg) \ +static ssize_t \ +store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct w83627ehf_data *data = i2c_get_clientdata(client); \ + u32 val = simple_strtoul(buf, NULL, 10); \ + \ + down(&data->update_lock); \ + data->temp1_##reg = temp1_to_reg(val); \ + w83627ehf_write_value(client, W83627EHF_REG_TEMP1_##REG, \ + data->temp1_##reg); \ + up(&data->update_lock); \ + return count; \ +} +store_temp1_reg(OVER, max); +store_temp1_reg(HYST, max_hyst); + +static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL); +static DEVICE_ATTR(temp1_max, S_IRUGO| S_IWUSR, + show_temp1_max, store_temp1_max); +static DEVICE_ATTR(temp1_max_hyst, S_IRUGO| S_IWUSR, + show_temp1_max_hyst, store_temp1_max_hyst); + +#define show_temp_reg(reg) \ +static ssize_t \ +show_##reg (struct device *dev, char *buf, int nr) \ +{ \ + struct w83627ehf_data *data = w83627ehf_update_device(dev); \ + return sprintf(buf, "%d\n", \ + LM75_TEMP_FROM_REG(data->reg[nr])); \ +} +show_temp_reg(temp); +show_temp_reg(temp_max); +show_temp_reg(temp_max_hyst); + +#define store_temp_reg(REG, reg) \ +static ssize_t \ +store_##reg (struct device *dev, const char *buf, size_t count, int nr) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct w83627ehf_data *data = i2c_get_clientdata(client); \ + u32 val = simple_strtoul(buf, NULL, 10); \ + \ + down(&data->update_lock); \ + data->reg[nr] = LM75_TEMP_TO_REG(val); \ + w83627ehf_write_value(client, W83627EHF_REG_TEMP_##REG[nr], \ + data->reg[nr]); \ + up(&data->update_lock); \ + return count; \ +} +store_temp_reg(OVER, temp_max); +store_temp_reg(HYST, temp_max_hyst); + +#define sysfs_temp_offset(offset) \ +static ssize_t \ +show_reg_temp##offset (struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_temp(dev, buf, offset - 2); \ +} \ +static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ + show_reg_temp##offset, NULL); + +#define sysfs_temp_reg_offset(reg, offset) \ +static ssize_t \ +show_reg_temp##offset##_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_temp_##reg(dev, buf, offset - 2); \ +} \ +static ssize_t \ +store_reg_temp##offset##_##reg(struct device *dev, struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + return store_temp_##reg(dev, buf, count, offset - 2); \ +} \ +static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \ + show_reg_temp##offset##_##reg, \ + store_reg_temp##offset##_##reg); + +sysfs_temp_offset(2); +sysfs_temp_reg_offset(max, 2); +sysfs_temp_reg_offset(max_hyst, 2); +sysfs_temp_offset(3); +sysfs_temp_reg_offset(max, 3); +sysfs_temp_reg_offset(max_hyst, 3); + +/* + * Driver and client management + */ + +static struct i2c_driver w83627ehf_driver; + +static void w83627ehf_init_client(struct i2c_client *client) +{ + int i; + u8 tmp; + + /* Start monitoring is needed */ + tmp = w83627ehf_read_value(client, W83627EHF_REG_CONFIG); + if (!(tmp & 0x01)) + w83627ehf_write_value(client, W83627EHF_REG_CONFIG, + tmp | 0x01); + + /* Enable temp2 and temp3 if needed */ + for (i = 0; i < 2; i++) { + tmp = w83627ehf_read_value(client, + W83627EHF_REG_TEMP_CONFIG[i]); + if (tmp & 0x01) + w83627ehf_write_value(client, + W83627EHF_REG_TEMP_CONFIG[i], + tmp & 0xfe); + } +} + +static int w83627ehf_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *client; + struct w83627ehf_data *data; + int i, err = 0; + + if (!i2c_is_isa_adapter(adapter)) + return 0; + + if (!request_region(address, REGION_LENGTH, w83627ehf_driver.name)) { + err = -EBUSY; + goto exit; + } + + if (!(data = kmalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit_release; + } + memset(data, 0, sizeof(struct w83627ehf_data)); + + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + init_MUTEX(&data->lock); + client->adapter = adapter; + client->driver = &w83627ehf_driver; + client->flags = 0; + + strlcpy(client->name, "w83627ehf", I2C_NAME_SIZE); + data->valid = 0; + init_MUTEX(&data->update_lock); + + /* Tell the i2c layer a new client has arrived */ + if ((err = i2c_attach_client(client))) + goto exit_free; + + /* Initialize the chip */ + w83627ehf_init_client(client); + + /* A few vars need to be filled upon startup */ + for (i = 0; i < 5; i++) + data->fan_min[i] = w83627ehf_read_value(client, + W83627EHF_REG_FAN_MIN[i]); + + /* It looks like fan4 and fan5 pins can be alternatively used + as fan on/off switches */ + data->has_fan = 0x07; /* fan1, fan2 and fan3 */ + i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); + if (i & (1 << 2)) + data->has_fan |= (1 << 3); + if (i & (1 << 0)) + data->has_fan |= (1 << 4); + + /* Register sysfs hooks */ + device_create_file(&client->dev, &dev_attr_fan1_input); + device_create_file(&client->dev, &dev_attr_fan1_min); + device_create_file(&client->dev, &dev_attr_fan1_div); + device_create_file(&client->dev, &dev_attr_fan2_input); + device_create_file(&client->dev, &dev_attr_fan2_min); + device_create_file(&client->dev, &dev_attr_fan2_div); + device_create_file(&client->dev, &dev_attr_fan3_input); + device_create_file(&client->dev, &dev_attr_fan3_min); + device_create_file(&client->dev, &dev_attr_fan3_div); + + if (data->has_fan & (1 << 3)) { + device_create_file(&client->dev, &dev_attr_fan4_input); + device_create_file(&client->dev, &dev_attr_fan4_min); + device_create_file(&client->dev, &dev_attr_fan4_div); + } + if (data->has_fan & (1 << 4)) { + device_create_file(&client->dev, &dev_attr_fan5_input); + device_create_file(&client->dev, &dev_attr_fan5_min); + device_create_file(&client->dev, &dev_attr_fan5_div); + } + + device_create_file(&client->dev, &dev_attr_temp1_input); + device_create_file(&client->dev, &dev_attr_temp1_max); + device_create_file(&client->dev, &dev_attr_temp1_max_hyst); + device_create_file(&client->dev, &dev_attr_temp2_input); + device_create_file(&client->dev, &dev_attr_temp2_max); + device_create_file(&client->dev, &dev_attr_temp2_max_hyst); + device_create_file(&client->dev, &dev_attr_temp3_input); + device_create_file(&client->dev, &dev_attr_temp3_max); + device_create_file(&client->dev, &dev_attr_temp3_max_hyst); + + return 0; + +exit_free: + kfree(data); +exit_release: + release_region(address, REGION_LENGTH); +exit: + return err; +} + +static int w83627ehf_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_detect(adapter, &addr_data, w83627ehf_detect); +} + +static int w83627ehf_detach_client(struct i2c_client *client) +{ + int err; + + if ((err = i2c_detach_client(client))) { + dev_err(&client->dev, "Client deregistration failed, " + "client not detached.\n"); + return err; + } + release_region(client->addr, REGION_LENGTH); + kfree(i2c_get_clientdata(client)); + + return 0; +} + +static struct i2c_driver w83627ehf_driver = { + .owner = THIS_MODULE, + .name = "w83627ehf", + .flags = I2C_DF_NOTIFY, + .attach_adapter = w83627ehf_attach_adapter, + .detach_client = w83627ehf_detach_client, +}; + +static int __init w83627ehf_find(int sioaddr, int *address) +{ + u16 val; + + REG = sioaddr; + VAL = sioaddr + 1; + superio_enter(); + + val = (superio_inb(SIO_REG_DEVID) << 8) + | superio_inb(SIO_REG_DEVID + 1); + if ((val & SIO_ID_MASK) != SIO_W83627EHF_ID) { + superio_exit(); + return -ENODEV; + } + + superio_select(W83627EHF_LD_HWM); + val = (superio_inb(SIO_REG_ADDR) << 8) + | superio_inb(SIO_REG_ADDR + 1); + *address = val & ~(REGION_LENGTH - 1); + if (*address == 0) { + superio_exit(); + return -ENODEV; + } + + /* Activate logical device if needed */ + val = superio_inb(SIO_REG_ENABLE); + if (!(val & 0x01)) + superio_outb(SIO_REG_ENABLE, val | 0x01); + + superio_exit(); + return 0; +} + +static int __init sensors_w83627ehf_init(void) +{ + if (w83627ehf_find(0x2e, &normal_isa[0]) + && w83627ehf_find(0x4e, &normal_isa[0])) + return -ENODEV; + + return i2c_add_driver(&w83627ehf_driver); +} + +static void __exit sensors_w83627ehf_exit(void) +{ + i2c_del_driver(&w83627ehf_driver); +} + +MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_DESCRIPTION("W83627EHF driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_w83627ehf_init); +module_exit(sensors_w83627ehf_exit); diff --git a/drivers/i2c/chips/w83627hf.c b/drivers/i2c/chips/w83627hf.c index 4f1bff572c1..bd87a42e068 100644 --- a/drivers/i2c/chips/w83627hf.c +++ b/drivers/i2c/chips/w83627hf.c @@ -264,7 +264,7 @@ static inline u8 DIV_TO_REG(long val) { int i; val = SENSORS_LIMIT(val, 1, 128) >> 1; - for (i = 0; i < 6; i++) { + for (i = 0; i < 7; i++) { if (val == 0) break; val >>= 1; diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c index c3926d2d8ac..0bb131ce09e 100644 --- a/drivers/i2c/chips/w83781d.c +++ b/drivers/i2c/chips/w83781d.c @@ -28,14 +28,11 @@ as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes w83627hf 9 3 2 3 0x21 0x5ca3 yes yes(LPC) - w83627thf 9 3 2 3 0x90 0x5ca3 no yes(LPC) w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no - w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -53,7 +50,7 @@ static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END }; /* Insmod parameters */ -SENSORS_INSMOD_6(w83781d, w83782d, w83783s, w83627hf, as99127f, w83697hf); +SENSORS_INSMOD_5(w83781d, w83782d, w83783s, w83627hf, as99127f); I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " "{bus, clientaddr, subclientaddr1, subclientaddr2}"); @@ -173,7 +170,6 @@ FAN_TO_REG(long rpm, int div) : (val)) / 1000, 0, 0xff)) #define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) -#define ALARMS_FROM_REG(val) (val) #define PWM_FROM_REG(val) (val) #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ @@ -193,7 +189,7 @@ DIV_TO_REG(long val, enum chips type) val = SENSORS_LIMIT(val, 1, ((type == w83781d || type == as99127f) ? 8 : 128)) >> 1; - for (i = 0; i < 6; i++) { + for (i = 0; i < 7; i++) { if (val == 0) break; val >>= 1; @@ -524,7 +520,7 @@ static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); - return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms)); + return sprintf(buf, "%u\n", data->alarms); } static @@ -1000,13 +996,6 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) err = -EINVAL; goto ERROR0; } - if (!is_isa && kind == w83697hf) { - dev_err(&adapter->dev, - "Cannot force ISA-only chip for I2C address 0x%02x.\n", - address); - err = -EINVAL; - goto ERROR0; - } if (is_isa) if (!request_region(address, W83781D_EXTENT, @@ -1139,12 +1128,10 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) else if (val1 == 0x40 && vendid == winbond && !is_isa && address == 0x2d) kind = w83783s; - else if ((val1 == 0x21 || val1 == 0x90) && vendid == winbond) + else if (val1 == 0x21 && vendid == winbond) kind = w83627hf; else if (val1 == 0x31 && !is_isa && address >= 0x28) kind = as99127f; - else if (val1 == 0x60 && vendid == winbond && is_isa) - kind = w83697hf; else { if (kind == 0) dev_warn(&new_client->dev, "Ignoring 'force' " @@ -1163,14 +1150,9 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) } else if (kind == w83783s) { client_name = "w83783s"; } else if (kind == w83627hf) { - if (val1 == 0x90) - client_name = "w83627thf"; - else - client_name = "w83627hf"; + client_name = "w83627hf"; } else if (kind == as99127f) { client_name = "as99127f"; - } else if (kind == w83697hf) { - client_name = "w83697hf"; } /* Fill in the remaining client fields and put into the global list */ @@ -1208,7 +1190,7 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) /* Register sysfs hooks */ device_create_file_in(new_client, 0); - if (kind != w83783s && kind != w83697hf) + if (kind != w83783s) device_create_file_in(new_client, 1); device_create_file_in(new_client, 2); device_create_file_in(new_client, 3); @@ -1222,24 +1204,19 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) device_create_file_fan(new_client, 1); device_create_file_fan(new_client, 2); - if (kind != w83697hf) - device_create_file_fan(new_client, 3); + device_create_file_fan(new_client, 3); device_create_file_temp(new_client, 1); device_create_file_temp(new_client, 2); - if (kind != w83783s && kind != w83697hf) + if (kind != w83783s) device_create_file_temp(new_client, 3); - if (kind != w83697hf) - device_create_file_vid(new_client); - - if (kind != w83697hf) - device_create_file_vrm(new_client); + device_create_file_vid(new_client); + device_create_file_vrm(new_client); device_create_file_fan_div(new_client, 1); device_create_file_fan_div(new_client, 2); - if (kind != w83697hf) - device_create_file_fan_div(new_client, 3); + device_create_file_fan_div(new_client, 3); device_create_file_alarms(new_client); @@ -1258,7 +1235,7 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) if (kind != as99127f && kind != w83781d) { device_create_file_sensor(new_client, 1); device_create_file_sensor(new_client, 2); - if (kind != w83783s && kind != w83697hf) + if (kind != w83783s) device_create_file_sensor(new_client, 3); } @@ -1481,7 +1458,7 @@ w83781d_init_client(struct i2c_client *client) else data->sens[i - 1] = 2; } - if ((type == w83783s || type == w83697hf) && (i == 2)) + if (type == w83783s && i == 2) break; } } @@ -1497,7 +1474,7 @@ w83781d_init_client(struct i2c_client *client) } /* Enable temp3 */ - if (type != w83783s && type != w83697hf) { + if (type != w83783s) { tmp = w83781d_read_value(client, W83781D_REG_TEMP3_CONFIG); if (tmp & 0x01) { @@ -1538,8 +1515,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) dev_dbg(dev, "Starting device update\n"); for (i = 0; i <= 8; i++) { - if ((data->type == w83783s || data->type == w83697hf) - && (i == 1)) + if (data->type == w83783s && i == 1) continue; /* 783S has no in1 */ data->in[i] = w83781d_read_value(client, W83781D_REG_IN(i)); @@ -1547,7 +1523,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) w83781d_read_value(client, W83781D_REG_IN_MIN(i)); data->in_max[i] = w83781d_read_value(client, W83781D_REG_IN_MAX(i)); - if ((data->type != w83782d) && (data->type != w83697hf) + if ((data->type != w83782d) && (data->type != w83627hf) && (i == 6)) break; } @@ -1583,7 +1559,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) w83781d_read_value(client, W83781D_REG_TEMP_OVER(2)); data->temp_max_hyst_add[0] = w83781d_read_value(client, W83781D_REG_TEMP_HYST(2)); - if (data->type != w83783s && data->type != w83697hf) { + if (data->type != w83783s) { data->temp_add[1] = w83781d_read_value(client, W83781D_REG_TEMP(3)); data->temp_max_add[1] = @@ -1594,26 +1570,18 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) W83781D_REG_TEMP_HYST(3)); } i = w83781d_read_value(client, W83781D_REG_VID_FANDIV); - if (data->type != w83697hf) { - data->vid = i & 0x0f; - data->vid |= - (w83781d_read_value(client, W83781D_REG_CHIPID) & - 0x01) - << 4; - } + data->vid = i & 0x0f; + data->vid |= (w83781d_read_value(client, + W83781D_REG_CHIPID) & 0x01) << 4; data->fan_div[0] = (i >> 4) & 0x03; data->fan_div[1] = (i >> 6) & 0x03; - if (data->type != w83697hf) { - data->fan_div[2] = (w83781d_read_value(client, - W83781D_REG_PIN) - >> 6) & 0x03; - } + data->fan_div[2] = (w83781d_read_value(client, + W83781D_REG_PIN) >> 6) & 0x03; if ((data->type != w83781d) && (data->type != as99127f)) { i = w83781d_read_value(client, W83781D_REG_VBAT); data->fan_div[0] |= (i >> 3) & 0x04; data->fan_div[1] |= (i >> 4) & 0x04; - if (data->type != w83697hf) - data->fan_div[2] |= (i >> 5) & 0x04; + data->fan_div[2] |= (i >> 5) & 0x04; } data->alarms = w83781d_read_value(client, diff --git a/drivers/i2c/chips/w83l785ts.c b/drivers/i2c/chips/w83l785ts.c index 74d4b58e423..4469d52aba4 100644 --- a/drivers/i2c/chips/w83l785ts.c +++ b/drivers/i2c/chips/w83l785ts.c @@ -30,7 +30,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/init.h> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index a22e53badac..51ce268998c 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -21,7 +21,6 @@ All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl> SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com> */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -239,7 +238,7 @@ int i2c_del_adapter(struct i2c_adapter *adap) } /* detach any active clients. This must be done first, because - * it can fail; in which case we give upp. */ + * it can fail; in which case we give up. */ list_for_each_safe(item, _n, &adap->clients) { client = list_entry(item, struct i2c_client, list); @@ -612,27 +611,16 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count) struct i2c_adapter *adap=client->adapter; struct i2c_msg msg; - if (client->adapter->algo->master_xfer) { - msg.addr = client->addr; - msg.flags = client->flags & I2C_M_TEN; - msg.len = count; - msg.buf = (char *)buf; + msg.addr = client->addr; + msg.flags = client->flags & I2C_M_TEN; + msg.len = count; + msg.buf = (char *)buf; - dev_dbg(&client->adapter->dev, "master_send: writing %d bytes.\n", - count); - - down(&adap->bus_lock); - ret = adap->algo->master_xfer(adap,&msg,1); - up(&adap->bus_lock); + ret = i2c_transfer(adap, &msg, 1); - /* if everything went ok (i.e. 1 msg transmitted), return #bytes - * transmitted, else error code. - */ - return (ret == 1 )? count : ret; - } else { - dev_err(&client->adapter->dev, "I2C level transfers not supported\n"); - return -ENOSYS; - } + /* If everything went ok (i.e. 1 msg transmitted), return #bytes + transmitted, else error code. */ + return (ret == 1) ? count : ret; } int i2c_master_recv(struct i2c_client *client, char *buf ,int count) @@ -640,31 +628,18 @@ int i2c_master_recv(struct i2c_client *client, char *buf ,int count) struct i2c_adapter *adap=client->adapter; struct i2c_msg msg; int ret; - if (client->adapter->algo->master_xfer) { - msg.addr = client->addr; - msg.flags = client->flags & I2C_M_TEN; - msg.flags |= I2C_M_RD; - msg.len = count; - msg.buf = buf; - - dev_dbg(&client->adapter->dev, "master_recv: reading %d bytes.\n", - count); - - down(&adap->bus_lock); - ret = adap->algo->master_xfer(adap,&msg,1); - up(&adap->bus_lock); - - dev_dbg(&client->adapter->dev, "master_recv: return:%d (count:%d, addr:0x%02x)\n", - ret, count, client->addr); - - /* if everything went ok (i.e. 1 msg transmitted), return #bytes - * transmitted, else error code. - */ - return (ret == 1 )? count : ret; - } else { - dev_err(&client->adapter->dev, "I2C level transfers not supported\n"); - return -ENOSYS; - } + + msg.addr = client->addr; + msg.flags = client->flags & I2C_M_TEN; + msg.flags |= I2C_M_RD; + msg.len = count; + msg.buf = buf; + + ret = i2c_transfer(adap, &msg, 1); + + /* If everything went ok (i.e. 1 msg transmitted), return #bytes + transmitted, else error code. */ + return (ret == 1) ? count : ret; } @@ -742,18 +717,6 @@ int i2c_probe(struct i2c_adapter *adapter, found = 1; } } - for (i = 0; - !found && (address_data->ignore_range[i] != I2C_CLIENT_END); - i += 3) { - if (((adap_id == address_data->ignore_range[i]) || - ((address_data->ignore_range[i]==ANY_I2C_BUS))) && - (addr >= address_data->ignore_range[i+1]) && - (addr <= address_data->ignore_range[i+2])) { - dev_dbg(&adapter->dev, "found ignore_range parameter for adapter %d, " - "addr %04x\n", adap_id,addr); - found = 1; - } - } if (found) continue; @@ -770,17 +733,6 @@ int i2c_probe(struct i2c_adapter *adapter, } for (i = 0; - !found && (address_data->normal_i2c_range[i] != I2C_CLIENT_END); - i += 2) { - if ((addr >= address_data->normal_i2c_range[i]) && - (addr <= address_data->normal_i2c_range[i+1])) { - found = 1; - dev_dbg(&adapter->dev, "found normal i2c_range entry for adapter %d, " - "addr %04x\n", adap_id,addr); - } - } - - for (i = 0; !found && (address_data->probe[i] != I2C_CLIENT_END); i += 2) { if (((adap_id == address_data->probe[i]) || @@ -791,18 +743,6 @@ int i2c_probe(struct i2c_adapter *adapter, "addr %04x\n", adap_id,addr); } } - for (i = 0; - !found && (address_data->probe_range[i] != I2C_CLIENT_END); - i += 3) { - if (((adap_id == address_data->probe_range[i]) || - (address_data->probe_range[i] == ANY_I2C_BUS)) && - (addr >= address_data->probe_range[i+1]) && - (addr <= address_data->probe_range[i+2])) { - found = 1; - dev_dbg(&adapter->dev, "found probe_range parameter for adapter %d, " - "addr %04x\n", adap_id,addr); - } - } if (!found) continue; diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 86c4d0149e8..bc5d557e5dd 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -29,7 +29,6 @@ /* The devfs code is contributed by Philipp Matthias Hahn <pmhahn@titan.lahn.de> */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/fs.h> @@ -214,7 +213,7 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file, sizeof(rdwr_arg))) return -EFAULT; - /* Put an arbritrary limit on the number of messages that can + /* Put an arbitrary limit on the number of messages that can * be sent at once */ if (rdwr_arg.nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) return -EINVAL; diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 0bdb47f08c2..61400f04015 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -51,8 +51,10 @@ static int do_probe( struct i2c_adapter *adapter, int addr, int kind); /* scan 0x48-0x4f (DS1775) and 0x2c-2x2f (ADM1030) */ -static unsigned short normal_i2c[] = { 0x49, 0x2c, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { 0x48, 0x4f, 0x2c, 0x2f, I2C_CLIENT_END }; +static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, + 0x4c, 0x4d, 0x4e, 0x4f, + 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; I2C_CLIENT_INSMOD; diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c index 80254caa444..48989eda240 100644 --- a/drivers/media/video/adv7170.c +++ b/drivers/media/video/adv7170.c @@ -384,22 +384,14 @@ static unsigned short normal_i2c[] = I2C_ADV7171 >> 1, (I2C_ADV7171 >> 1) + 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_adv7170; diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index 95d0974b0ab..f898b658637 100644 --- a/drivers/media/video/adv7175.c +++ b/drivers/media/video/adv7175.c @@ -434,22 +434,14 @@ static unsigned short normal_i2c[] = I2C_ADV7176 >> 1, (I2C_ADV7176 >> 1) + 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_adv7175; diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c index cf0db2554a8..8733588f6db 100644 --- a/drivers/media/video/bt819.c +++ b/drivers/media/video/bt819.c @@ -500,22 +500,14 @@ static unsigned short normal_i2c[] = { I2C_BT819 >> 1, I2C_CLIENT_END, }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_bt819; diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c index efe605a113a..07f72f64c5f 100644 --- a/drivers/media/video/bt832.c +++ b/drivers/media/video/bt832.c @@ -39,8 +39,8 @@ MODULE_LICENSE("GPL"); /* Addresses to scan */ -static unsigned short normal_i2c[] = {I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {I2C_BT832_ALT1>>1,I2C_BT832_ALT2>>1,I2C_CLIENT_END}; +static unsigned short normal_i2c[] = { I2C_BT832_ALT1>>1, I2C_BT832_ALT2>>1, + I2C_CLIENT_END }; I2C_CLIENT_INSMOD; /* ---------------------------------------------------------------------- */ diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c index 72c7eb0f8c2..a5d529ccf3a 100644 --- a/drivers/media/video/bt856.c +++ b/drivers/media/video/bt856.c @@ -288,22 +288,14 @@ bt856_command (struct i2c_client *client, * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' */ static unsigned short normal_i2c[] = { I2C_BT856 >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_bt856; diff --git a/drivers/media/video/msp3400.c b/drivers/media/video/msp3400.c index 7fbb8581a87..09464d624a6 100644 --- a/drivers/media/video/msp3400.c +++ b/drivers/media/video/msp3400.c @@ -147,7 +147,6 @@ static unsigned short normal_i2c[] = { I2C_MSP3400C_ALT >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END,I2C_CLIENT_END}; I2C_CLIENT_INSMOD; /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index ba69f09cbdd..b8054da31ff 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -64,7 +64,6 @@ static struct video_device saa_template; /* Declared near bottom */ /* Addresses to scan */ static unsigned short normal_i2c[] = { I2C_ADDRESS, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; I2C_CLIENT_INSMOD; static struct i2c_client client_template; diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index d74caa139f0..7ffa2e9a9bf 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -132,7 +132,6 @@ static struct video_device saa_template; /* Declared near bottom */ /* Addresses to scan */ static unsigned short normal_i2c[] = {34>>1,I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END}; I2C_CLIENT_INSMOD; static struct i2c_client client_template; diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c index 64273b43853..22d055d8a69 100644 --- a/drivers/media/video/saa7110.c +++ b/drivers/media/video/saa7110.c @@ -463,22 +463,14 @@ static unsigned short normal_i2c[] = { (I2C_SAA7110 >> 1) + 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_saa7110; diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c index 0a873112ae2..fcd897382fc 100644 --- a/drivers/media/video/saa7111.c +++ b/drivers/media/video/saa7111.c @@ -482,22 +482,14 @@ saa7111_command (struct i2c_client *client, * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' */ static unsigned short normal_i2c[] = { I2C_SAA7111 >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_saa7111; diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c index e73023695e5..2ba997f5ef1 100644 --- a/drivers/media/video/saa7114.c +++ b/drivers/media/video/saa7114.c @@ -820,22 +820,14 @@ saa7114_command (struct i2c_client *client, */ static unsigned short normal_i2c[] = { I2C_SAA7114 >> 1, I2C_SAA7114A >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_saa7114; diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 1db02268298..42c2b565c9f 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -22,7 +22,6 @@ /* Addresses to scan */ static unsigned short normal_i2c[] = {0x20, I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END}; I2C_CLIENT_INSMOD; MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder"); diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c index 5f0b224c3cb..108e7a4a027 100644 --- a/drivers/media/video/saa7185.c +++ b/drivers/media/video/saa7185.c @@ -380,22 +380,14 @@ saa7185_command (struct i2c_client *client, * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' */ static unsigned short normal_i2c[] = { I2C_SAA7185 >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_saa7185; diff --git a/drivers/media/video/tda7432.c b/drivers/media/video/tda7432.c index 376a4a439e9..07ba6d3ed08 100644 --- a/drivers/media/video/tda7432.c +++ b/drivers/media/video/tda7432.c @@ -74,7 +74,6 @@ static unsigned short normal_i2c[] = { I2C_TDA7432 >> 1, I2C_CLIENT_END, }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; /* Structure of address and subaddresses for the tda7432 */ diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index b5177c6f54f..c29bdfc3244 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -43,7 +43,6 @@ MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); /* addresses to scan, found only at 0x42 (7-Bit) */ static unsigned short normal_i2c[] = { I2C_TDA9840, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; diff --git a/drivers/media/video/tda9875.c b/drivers/media/video/tda9875.c index 4f1114c033a..97b113e070f 100644 --- a/drivers/media/video/tda9875.c +++ b/drivers/media/video/tda9875.c @@ -44,7 +44,6 @@ static unsigned short normal_i2c[] = { I2C_TDA9875 >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END}; I2C_CLIENT_INSMOD; /* This is a superset of the TDA9875 */ diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c index debef1910c3..7e6e6dd966a 100644 --- a/drivers/media/video/tda9887.c +++ b/drivers/media/video/tda9887.c @@ -33,7 +33,6 @@ static unsigned short normal_i2c[] = { 0x96 >>1, I2C_CLIENT_END, }; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END,I2C_CLIENT_END}; I2C_CLIENT_INSMOD; /* insmod options */ diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index 3ec39550bf4..b44db8a7b94 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.c @@ -43,7 +43,6 @@ MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); /* addresses to scan, found only at 0x03 and/or 0x43 (7-bit) */ static unsigned short normal_i2c[] = { I2C_TEA6415C_1, I2C_TEA6415C_2, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index bd10710fd90..48d4db7d507 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -40,7 +40,6 @@ MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); /* addresses to scan, found only at 0x4c and/or 0x4d (7-Bit) */ static unsigned short normal_i2c[] = { I2C_TEA6420_1, I2C_TEA6420_2, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; diff --git a/drivers/media/video/tuner-3036.c b/drivers/media/video/tuner-3036.c index 6b20aa902a8..51748c6578d 100644 --- a/drivers/media/video/tuner-3036.c +++ b/drivers/media/video/tuner-3036.c @@ -34,19 +34,14 @@ static int this_adap; static struct i2c_client client_template; /* Addresses to scan */ -static unsigned short normal_i2c[] = {I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {0x60, 0x61, I2C_CLIENT_END}; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; +static unsigned short normal_i2c[] = { 0x60, 0x61, I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { - normal_i2c, normal_i2c_range, - probe, probe_range, - ignore, ignore_range, - force + .normal_i2c = normal_i2c, + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; /* ---------------------------------------------------------------------- */ diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 6212388edb7..81882ddab85 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -28,10 +28,8 @@ /* standard i2c insmod options */ static unsigned short normal_i2c[] = { 0x4b, /* tda8290 */ - I2C_CLIENT_END -}; -static unsigned short normal_i2c_range[] = { - 0x60, 0x6f, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; @@ -225,9 +223,8 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) static int tuner_probe(struct i2c_adapter *adap) { if (0 != addr) { - normal_i2c[0] = addr; - normal_i2c_range[0] = addr; - normal_i2c_range[1] = addr; + normal_i2c[0] = addr; + normal_i2c[1] = I2C_CLIENT_END; } this_adap = 0; diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 80dc34f18c2..41b635e0d3c 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -148,7 +148,6 @@ static unsigned short normal_i2c[] = { I2C_TDA9874 >> 1, I2C_PIC16C54 >> 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; static struct i2c_driver driver; diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index e1443a0937e..3d216973798 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -482,7 +482,6 @@ static unsigned short normal_i2c[] = { 0xa0 >> 1, I2C_CLIENT_END, }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; I2C_CLIENT_INSMOD; struct i2c_driver i2c_driver_tveeprom; diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c index 0fd6c9a7091..5dbd9f6bf35 100644 --- a/drivers/media/video/vpx3220.c +++ b/drivers/media/video/vpx3220.c @@ -569,22 +569,14 @@ static unsigned short normal_i2c[] = { I2C_VPX3220 >> 1, (I2C_VPX3220 >> 1) + 4, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, - .probe = probe, - .probe_range = probe_range, - .ignore = ignore, - .ignore_range = ignore_range, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver vpx3220_i2c_driver; diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c index e529841cd83..67f85344f0c 100644 --- a/drivers/video/matrox/matroxfb_maven.c +++ b/drivers/video/matrox/matroxfb_maven.c @@ -1230,7 +1230,6 @@ static int maven_shutdown_client(struct i2c_client* clnt) { } static unsigned short normal_i2c[] = { MAVEN_I2CID, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { MAVEN_I2CID, MAVEN_I2CID, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; static struct i2c_driver maven_driver; |