diff options
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/twl4030.h | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h new file mode 100644 index 00000000000..cdb453162a9 --- /dev/null +++ b/include/linux/i2c/twl4030.h @@ -0,0 +1,339 @@ +/* + * twl4030.h - header for TWL4030 PM and audio CODEC device + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * Based on tlv320aic23.c: + * Copyright (c) by Kai Svahn <kai.svahn@nokia.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __TWL4030_H_ +#define __TWL4030_H_ + +/* + * Using the twl4030 core we address registers using a pair + * { module id, relative register offset } + * which that core then maps to the relevant + * { i2c slave, absolute register address } + * + * The module IDs are meaningful only to the twl4030 core code, + * which uses them as array indices to look up the first register + * address each module uses within a given i2c slave. + */ + +/* Slave 0 (i2c address 0x48) */ +#define TWL4030_MODULE_USB 0x00 + +/* Slave 1 (i2c address 0x49) */ +#define TWL4030_MODULE_AUDIO_VOICE 0x01 +#define TWL4030_MODULE_GPIO 0x02 +#define TWL4030_MODULE_INTBR 0x03 +#define TWL4030_MODULE_PIH 0x04 +#define TWL4030_MODULE_TEST 0x05 + +/* Slave 2 (i2c address 0x4a) */ +#define TWL4030_MODULE_KEYPAD 0x06 +#define TWL4030_MODULE_MADC 0x07 +#define TWL4030_MODULE_INTERRUPTS 0x08 +#define TWL4030_MODULE_LED 0x09 +#define TWL4030_MODULE_MAIN_CHARGE 0x0A +#define TWL4030_MODULE_PRECHARGE 0x0B +#define TWL4030_MODULE_PWM0 0x0C +#define TWL4030_MODULE_PWM1 0x0D +#define TWL4030_MODULE_PWMA 0x0E +#define TWL4030_MODULE_PWMB 0x0F + +/* Slave 3 (i2c address 0x4b) */ +#define TWL4030_MODULE_BACKUP 0x10 +#define TWL4030_MODULE_INT 0x11 +#define TWL4030_MODULE_PM_MASTER 0x12 +#define TWL4030_MODULE_PM_RECEIVER 0x13 +#define TWL4030_MODULE_RTC 0x14 +#define TWL4030_MODULE_SECURED_REG 0x15 + +/* + * Read and write single 8-bit registers + */ +int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg); +int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg); + +/* + * Read and write several 8-bit registers at once. + * + * IMPORTANT: For twl4030_i2c_write(), allocate num_bytes + 1 + * for the value, and populate your data starting at offset 1. + */ +int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); +int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); + +/*----------------------------------------------------------------------*/ + +/* + * NOTE: at up to 1024 registers, this is a big chip. + * + * Avoid putting register declarations in this file, instead of into + * a driver-private file, unless some of the registers in a block + * need to be shared with other drivers. One example is blocks that + * have Secondary IRQ Handler (SIH) registers. + */ + +#define TWL4030_SIH_CTRL_EXCLEN_MASK BIT(0) +#define TWL4030_SIH_CTRL_PENDDIS_MASK BIT(1) +#define TWL4030_SIH_CTRL_COR_MASK BIT(2) + +/*----------------------------------------------------------------------*/ + +/* + * GPIO Block Register offsets (use TWL4030_MODULE_GPIO) + */ + +#define REG_GPIODATAIN1 0x0 +#define REG_GPIODATAIN2 0x1 +#define REG_GPIODATAIN3 0x2 +#define REG_GPIODATADIR1 0x3 +#define REG_GPIODATADIR2 0x4 +#define REG_GPIODATADIR3 0x5 +#define REG_GPIODATAOUT1 0x6 +#define REG_GPIODATAOUT2 0x7 +#define REG_GPIODATAOUT3 0x8 +#define REG_CLEARGPIODATAOUT1 0x9 +#define REG_CLEARGPIODATAOUT2 0xA +#define REG_CLEARGPIODATAOUT3 0xB +#define REG_SETGPIODATAOUT1 0xC +#define REG_SETGPIODATAOUT2 0xD +#define REG_SETGPIODATAOUT3 0xE +#define REG_GPIO_DEBEN1 0xF +#define REG_GPIO_DEBEN2 0x10 +#define REG_GPIO_DEBEN3 0x11 +#define REG_GPIO_CTRL 0x12 +#define REG_GPIOPUPDCTR1 0x13 +#define REG_GPIOPUPDCTR2 0x14 +#define REG_GPIOPUPDCTR3 0x15 +#define REG_GPIOPUPDCTR4 0x16 +#define REG_GPIOPUPDCTR5 0x17 +#define REG_GPIO_ISR1A 0x19 +#define REG_GPIO_ISR2A 0x1A +#define REG_GPIO_ISR3A 0x1B +#define REG_GPIO_IMR1A 0x1C +#define REG_GPIO_IMR2A 0x1D +#define REG_GPIO_IMR3A 0x1E +#define REG_GPIO_ISR1B 0x1F +#define REG_GPIO_ISR2B 0x20 +#define REG_GPIO_ISR3B 0x21 +#define REG_GPIO_IMR1B 0x22 +#define REG_GPIO_IMR2B 0x23 +#define REG_GPIO_IMR3B 0x24 +#define REG_GPIO_EDR1 0x28 +#define REG_GPIO_EDR2 0x29 +#define REG_GPIO_EDR3 0x2A +#define REG_GPIO_EDR4 0x2B +#define REG_GPIO_EDR5 0x2C +#define REG_GPIO_SIH_CTRL 0x2D + +/* Up to 18 signals are available as GPIOs, when their + * pins are not assigned to another use (such as ULPI/USB). + */ +#define TWL4030_GPIO_MAX 18 + +/*----------------------------------------------------------------------*/ + +/* + * Keypad register offsets (use TWL4030_MODULE_KEYPAD) + * ... SIH/interrupt only + */ + +#define TWL4030_KEYPAD_KEYP_ISR1 0x11 +#define TWL4030_KEYPAD_KEYP_IMR1 0x12 +#define TWL4030_KEYPAD_KEYP_ISR2 0x13 +#define TWL4030_KEYPAD_KEYP_IMR2 0x14 +#define TWL4030_KEYPAD_KEYP_SIR 0x15 /* test register */ +#define TWL4030_KEYPAD_KEYP_EDR 0x16 +#define TWL4030_KEYPAD_KEYP_SIH_CTRL 0x17 + +/*----------------------------------------------------------------------*/ + +/* + * Multichannel ADC register offsets (use TWL4030_MODULE_MADC) + * ... SIH/interrupt only + */ + +#define TWL4030_MADC_ISR1 0x61 +#define TWL4030_MADC_IMR1 0x62 +#define TWL4030_MADC_ISR2 0x63 +#define TWL4030_MADC_IMR2 0x64 +#define TWL4030_MADC_SIR 0x65 /* test register */ +#define TWL4030_MADC_EDR 0x66 +#define TWL4030_MADC_SIH_CTRL 0x67 + +/*----------------------------------------------------------------------*/ + +/* + * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS) + */ + +#define TWL4030_INTERRUPTS_BCIISR1A 0x0 +#define TWL4030_INTERRUPTS_BCIISR2A 0x1 +#define TWL4030_INTERRUPTS_BCIIMR1A 0x2 +#define TWL4030_INTERRUPTS_BCIIMR2A 0x3 +#define TWL4030_INTERRUPTS_BCIISR1B 0x4 +#define TWL4030_INTERRUPTS_BCIISR2B 0x5 +#define TWL4030_INTERRUPTS_BCIIMR1B 0x6 +#define TWL4030_INTERRUPTS_BCIIMR2B 0x7 +#define TWL4030_INTERRUPTS_BCISIR1 0x8 /* test register */ +#define TWL4030_INTERRUPTS_BCISIR2 0x9 /* test register */ +#define TWL4030_INTERRUPTS_BCIEDR1 0xa +#define TWL4030_INTERRUPTS_BCIEDR2 0xb +#define TWL4030_INTERRUPTS_BCIEDR3 0xc +#define TWL4030_INTERRUPTS_BCISIHCTRL 0xd + +/*----------------------------------------------------------------------*/ + +/* + * Power Interrupt block register offsets (use TWL4030_MODULE_INT) + */ + +#define TWL4030_INT_PWR_ISR1 0x0 +#define TWL4030_INT_PWR_IMR1 0x1 +#define TWL4030_INT_PWR_ISR2 0x2 +#define TWL4030_INT_PWR_IMR2 0x3 +#define TWL4030_INT_PWR_SIR 0x4 /* test register */ +#define TWL4030_INT_PWR_EDR1 0x5 +#define TWL4030_INT_PWR_EDR2 0x6 +#define TWL4030_INT_PWR_SIH_CTRL 0x7 + +/*----------------------------------------------------------------------*/ + +struct twl4030_bci_platform_data { + int *battery_tmp_tbl; + unsigned int tblsize; +}; + +/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */ +struct twl4030_gpio_platform_data { + int gpio_base; + unsigned irq_base, irq_end; + + /* For gpio-N, bit (1 << N) in "pullups" is set if that pullup + * should be enabled. Else, if that bit is set in "pulldowns", + * that pulldown is enabled. Don't waste power by letting any + * digital inputs float... + */ + u32 pullups; + u32 pulldowns; + + int (*setup)(struct device *dev, + unsigned gpio, unsigned ngpio); + int (*teardown)(struct device *dev, + unsigned gpio, unsigned ngpio); +}; + +struct twl4030_madc_platform_data { + int irq_line; +}; + +struct twl4030_keypad_data { + int rows; + int cols; + int *keymap; + int irq; + unsigned int keymapsize; + unsigned int rep:1; +}; + +enum twl4030_usb_mode { + T2_USB_MODE_ULPI = 1, + T2_USB_MODE_CEA2011_3PIN = 2, +}; + +struct twl4030_usb_data { + enum twl4030_usb_mode usb_mode; +}; + +struct twl4030_platform_data { + unsigned irq_base, irq_end; + struct twl4030_bci_platform_data *bci; + struct twl4030_gpio_platform_data *gpio; + struct twl4030_madc_platform_data *madc; + struct twl4030_keypad_data *keypad; + struct twl4030_usb_data *usb; + + /* REVISIT more to come ... _nothing_ should be hard-wired */ +}; + +/*----------------------------------------------------------------------*/ + +/* + * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the + * IRQ data to subsidiary devices using platform device resources. + */ + +/* IRQ information-need base */ +#include <mach/irqs.h> +/* TWL4030 interrupts */ + +/* #define TWL4030_MODIRQ_GPIO (TWL4030_IRQ_BASE + 0) */ +#define TWL4030_MODIRQ_KEYPAD (TWL4030_IRQ_BASE + 1) +#define TWL4030_MODIRQ_BCI (TWL4030_IRQ_BASE + 2) +#define TWL4030_MODIRQ_MADC (TWL4030_IRQ_BASE + 3) +/* #define TWL4030_MODIRQ_USB (TWL4030_IRQ_BASE + 4) */ +#define TWL4030_MODIRQ_PWR (TWL4030_IRQ_BASE + 5) + +#define TWL4030_PWRIRQ_PWRBTN (TWL4030_PWR_IRQ_BASE + 0) +#define TWL4030_PWRIRQ_CHG_PRES (TWL4030_PWR_IRQ_BASE + 1) +#define TWL4030_PWRIRQ_USB_PRES (TWL4030_PWR_IRQ_BASE + 2) +#define TWL4030_PWRIRQ_RTC (TWL4030_PWR_IRQ_BASE + 3) +#define TWL4030_PWRIRQ_HOT_DIE (TWL4030_PWR_IRQ_BASE + 4) +#define TWL4030_PWRIRQ_PWROK_TIMEOUT (TWL4030_PWR_IRQ_BASE + 5) +#define TWL4030_PWRIRQ_MBCHG (TWL4030_PWR_IRQ_BASE + 6) +#define TWL4030_PWRIRQ_SC_DETECT (TWL4030_PWR_IRQ_BASE + 7) + +/* Rest are unsued currently*/ + +/* Offsets to Power Registers */ +#define TWL4030_VDAC_DEV_GRP 0x3B +#define TWL4030_VDAC_DEDICATED 0x3E +#define TWL4030_VAUX1_DEV_GRP 0x17 +#define TWL4030_VAUX1_DEDICATED 0x1A +#define TWL4030_VAUX2_DEV_GRP 0x1B +#define TWL4030_VAUX2_DEDICATED 0x1E +#define TWL4030_VAUX3_DEV_GRP 0x1F +#define TWL4030_VAUX3_DEDICATED 0x22 + +/* TWL4030 GPIO interrupt definitions */ + +#define TWL4030_GPIO_IRQ_NO(n) (TWL4030_GPIO_IRQ_BASE + (n)) +#define TWL4030_GPIO_IS_ENABLE 1 + +/* + * Exported TWL4030 GPIO APIs + * + * WARNING -- use standard GPIO and IRQ calls instead; these will vanish. + */ +int twl4030_get_gpio_datain(int gpio); +int twl4030_request_gpio(int gpio); +int twl4030_set_gpio_debounce(int gpio, int enable); +int twl4030_free_gpio(int gpio); + +#if defined(CONFIG_TWL4030_BCI_BATTERY) || \ + defined(CONFIG_TWL4030_BCI_BATTERY_MODULE) + extern int twl4030charger_usb_en(int enable); +#else + static inline int twl4030charger_usb_en(int enable) { return 0; } +#endif + +#endif /* End of __TWL4030_H */ |