/* * linux/arch/arm/mach-s3c2440/mach-gta02.c * * S3C2440 Machine Support for the FIC GTA02 (Neo1973) * * Copyright (C) 2006-2007 by Openmoko, Inc. * Author: Harald Welte * All rights reserved. * * 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 * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../plat-s3c24xx/neo1973_pm_gps.h" #ifdef CONFIG_TOUCHSCREEN_FILTER #include <../drivers/input/touchscreen/ts_filter_linear.h> #include <../drivers/input/touchscreen/ts_filter_mean.h> #include <../drivers/input/touchscreen/ts_filter_median.h> #include <../drivers/input/touchscreen/ts_filter_group.h> #endif #include #include /* arbitrates which sensor IRQ owns the shared SPI bus */ static spinlock_t motion_irq_lock; /* ------------------------------------------------------------------------------- * GTA02 FIQ related * * Calls into vibrator and hdq and based on the return values * determines if we the FIQ source be kept alive */ #define DIVISOR_FROM_US(x) ((x) << 3) #ifdef CONFIG_HDQ_GPIO_BITBANG #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(20) extern int hdq_fiq_handler(void); #endif #ifdef CONFIG_LEDS_NEO1973_VIBRATOR #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100) extern int neo1973_vibrator_fiq_handler(void); #endif /* Global data related to our fiq source */ static u32 gta02_fiq_ack_mask; static struct s3c2410_pwm gta02_fiq_pwm_timer; static u16 gta02_fiq_timer_index; static int gta02_fiq_irq; static void gta02_fiq_handler(void) { u16 divisor = 0xffff; /* Vibrator servicing */ /* disable further timer interrupts if nobody has any work * or adjust rate according to who still has work * * CAUTION: it means forground code must disable FIQ around * its own non-atomic S3C2410_INTMSK changes... not common * thankfully and taken care of by the fiq-basis patch */ #ifdef CONFIG_LEDS_NEO1973_VIBRATOR if (neo1973_vibrator_fiq_handler()) divisor = FIQ_DIVISOR_VIBRATOR; #endif #ifdef CONFIG_HDQ_GPIO_BITBANG if (hdq_fiq_handler()) divisor = FIQ_DIVISOR_HDQ; #endif if (divisor == 0xffff) /* mask the fiq irq source */ __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask, S3C2410_INTMSK); else /* still working, maybe at a different rate */ __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index)); __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND); } static void gta02_fiq_kick(void) { unsigned long flags; u32 tcon; /* we have to take care about FIQ because this modification is * non-atomic, FIQ could come in after the read and before the * writeback and its changes to the register would be lost * (platform INTMSK mod code is taken care of already) */ local_save_flags(flags); local_fiq_disable(); /* allow FIQs to resume */ __raw_writel(__raw_readl(S3C2410_INTMSK) & ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)), S3C2410_INTMSK); tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START; /* fake the timer to a count of 1 */ __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index)); __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON); __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START, S3C2410_TCON); __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON); local_irq_restore(flags); } static int gta02_fiq_enable(void) { int irq_index_fiq = IRQ_TIMER3; int rc = 0; local_fiq_disable(); gta02_fiq_irq = irq_index_fiq; gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET); gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0); /* set up the timer to operate as a pwm device */ rc = s3c2410_pwm_init(>a02_fiq_pwm_timer); if (rc) goto bail; gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index; gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2; gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2; /* default rate == ~32us */ gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000; rc = s3c2410_pwm_enable(>a02_fiq_pwm_timer); if (rc) goto bail; s3c2410_pwm_start(>a02_fiq_pwm_timer); /* let our selected interrupt be a magic FIQ interrupt */ __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD); /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */ local_fiq_enable(); set_fiq_c_handler(gta02_fiq_handler); bail: printk(KERN_ERR "Count not initialize FIQ for GTA02\n"); return rc; } static void gta02_fiq_disable(void) { __raw_writel(0, S3C2410_INTMOD); local_fiq_disable(); gta02_fiq_irq = 0; /* no active source interrupt now either */ } /* -------------------- /GTA02 FIQ Handler ------------------------------------- */ /* * this gets called every 1ms when we paniced. */ static long gta02_panic_blink(long count) { long delay = 0; static long last_blink; static char led; if (count - last_blink < 100) /* 200ms period, fast blink */ return 0; led ^= 1; s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT); neo1973_gpb_setpin(GTA02_GPIO_AUX_LED, led); last_blink = count; return delay; } /** * returns PCB revision information in b9,b8 and b2,b1,b0 * Pre-GTA02 A6 returns 0x000 * GTA02 A6 returns 0x101 * ... */ int gta02_get_pcb_revision(void) { int n; int u = 0; static unsigned long pinlist[] = { GTA02_PCB_ID1_0, GTA02_PCB_ID1_1, GTA02_PCB_ID1_2, GTA02_PCB_ID2_0, GTA02_PCB_ID2_1, }; static int pin_offset[] = { 0, 1, 2, 8, 9 }; for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) { /* * set the PCB version GPIO to be pulled-down input * force low briefly first */ s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(pinlist[n], 0); /* misnomer: it is a pullDOWN in 2442 */ s3c2410_gpio_pullup(pinlist[n], 1); s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT); udelay(10); if (s3c2410_gpio_getpin(pinlist[n])) u |= 1 << pin_offset[n]; /* * when not being interrogated, all of the revision GPIO * are set to output HIGH without pulldown so no current flows * if they are NC or pulled up. */ s3c2410_gpio_setpin(pinlist[n], 1); s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT); /* misnomer: it is a pullDOWN in 2442 */ s3c2410_gpio_pullup(pinlist[n], 0); } return u; } struct platform_device gta02_version_device = { .name = "neo1973-version", .num_resources = 0, }; struct platform_device gta02_resume_reason_device = { .name = "neo1973-resume", .num_resources = 0, }; struct platform_device gta02_memconfig_device = { .name = "neo1973-memconfig", .num_resources = 0, }; static struct map_desc gta02_iodesc[] __initdata = { { .virtual = 0xe0000000, .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000), .length = SZ_1M, .type = MT_DEVICE }, }; #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE static struct s3c2410_uartcfg gta02_uartcfgs[] = { [0] = { .hwport = 0, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, [1] = { .hwport = 1, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, [2] = { .hwport = 2, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, }; struct pcf50633 *gta02_pcf; #ifdef CONFIG_CHARGER_PCF50633 static int gta02_get_charger_online_status(void) { struct pcf50633 *pcf = gta02_pcf; return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE; } static int gta02_get_charger_active_status(void) { struct pcf50633 *pcf = gta02_pcf; return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE; } #define ADC_NOM_CHG_DETECT_1A 6 #define ADC_NOM_CHG_DETECT_USB 43 static void gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) { int ma; /* Interpret charger type */ if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { /* Stop GPO driving out now that we have a IA charger */ pcf50633_gpio_set(pcf, PCF50633_GPO, 0); ma = 1000; } else ma = 100; pcf50633_mbc_usb_curlim_set(pcf, ma); } static struct delayed_work gta02_charger_work; static int gta02_usb_vbus_draw; static void gta02_charger_worker(struct work_struct *work) { struct pcf50633 *pcf = gta02_pcf; if (gta02_usb_vbus_draw) { pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw); return; } else { #ifdef CONFIG_PCF50633_ADC pcf50633_adc_async_read(pcf, PCF50633_ADCC1_MUX_ADCIN1, PCF50633_ADCC1_AVERAGE_16, gta02_configure_pmu_for_charger, NULL); #else /* If the PCF50633 ADC is disabled we fallback to save 100mA */ pcf50633_mbc_usb_curlim_set(pcf, 100); #endif return; } } #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) { if (irq == PCF50633_IRQ_USBINS) { schedule_delayed_work(>a02_charger_work, GTA02_CHARGER_CONFIGURE_TIMEOUT); return; } else if (irq == PCF50633_IRQ_USBREM) { cancel_delayed_work_sync(>a02_charger_work); gta02_usb_vbus_draw = 0; } } static void gta02_udc_vbus_draw(unsigned int ma) { if (!gta02_pcf) return; gta02_usb_vbus_draw = ma; schedule_delayed_work(>a02_charger_work, GTA02_CHARGER_CONFIGURE_TIMEOUT); } #else /* !CONFIG_CHARGER_PCF50633 */ #define gta02_get_charger_online_status NULL #define gta02_get_charger_active_status NULL #define gta02_pmu_event_callback NULL #define gta02_udc_vbus_draw NULL #endif static struct platform_device gta01_pm_gps_dev = { .name = "neo1973-pm-gps", }; static struct platform_device gta01_pm_bt_dev = { .name = "neo1973-pm-bt", }; static struct platform_device gta02_pm_gsm_dev = { .name = "neo1973-pm-gsm", }; /* this is called when pc50633 is probed, unfortunately quite late in the * day since it is an I2C bus device. Here we can belatedly define some * platform devices with the advantage that we can mark the pcf50633 as the * parent. This makes them get suspended and resumed with their parent * the pcf50633 still around. */ static struct platform_device gta02_glamo_dev; static void mangle_glamo_res_by_system_rev(void); static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id); static struct platform_device gta02_pm_wlan_dev = { .name = "gta02-pm-wlan", }; static struct regulator_consumer_supply ldo4_consumers[] = { { .dev = >a01_pm_bt_dev.dev, .supply = "BT_3V2", }, }; static struct regulator_consumer_supply ldo5_consumers[] = { { .dev = >a01_pm_gps_dev.dev, .supply = "RF_3V", }, }; /* * We need this dummy thing to fill the regulator consumers */ static struct platform_device gta02_mmc_dev = { /* details filled in by glamo core */ }; static struct regulator_consumer_supply hcldo_consumers[] = { { .dev = >a02_mmc_dev.dev, .supply = "SD_3V3", }, }; static char *gta02_batteries[] = { "battery", }; struct pcf50633_platform_data gta02_pcf_pdata = { .resumers = { [0] = PCF50633_INT1_USBINS | PCF50633_INT1_USBREM | PCF50633_INT1_ALARM, [1] = PCF50633_INT2_ONKEYF, [2] = PCF50633_INT3_ONKEY1S, [3] = PCF50633_INT4_LOWSYS | PCF50633_INT4_LOWBAT | PCF50633_INT4_HIGHTMP, }, .batteries = gta02_batteries, .num_batteries = ARRAY_SIZE(gta02_batteries), .charging_restart_interval = (900 * HZ), .chg_ref_current_ma = 1000, .reg_init_data = { [PCF50633_REGULATOR_AUTO] = { .constraints = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .boot_on = 1, .apply_uV = 1, .state_mem = { .enabled = 1, }, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_DOWN1] = { .constraints = { .min_uV = 1300000, .max_uV = 1600000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .boot_on = 1, .apply_uV = 1, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_DOWN2] = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, .boot_on = 1, .state_mem = { .enabled = 1, }, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_HCLDO] = { .constraints = { .min_uV = 2000000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .boot_on = 1, }, .num_consumer_supplies = 1, .consumer_supplies = hcldo_consumers, }, [PCF50633_REGULATOR_LDO1] = { .constraints = { .min_uV = 1300000, .max_uV = 1300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_LDO2] = { .constraints = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_LDO3] = { .constraints = { .min_uV = 3000000, .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_LDO4] = { .constraints = { .min_uV = 3200000, .max_uV = 3200000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, .num_consumer_supplies = 1, .consumer_supplies = ldo4_consumers, }, [PCF50633_REGULATOR_LDO5] = { .constraints = { .min_uV = 1500000, .max_uV = 1500000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, .state_mem = { .enabled = 1, }, }, .num_consumer_supplies = 1, .consumer_supplies = ldo5_consumers, }, [PCF50633_REGULATOR_LDO6] = { .constraints = { .min_uV = 0, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, }, .num_consumer_supplies = 0, }, [PCF50633_REGULATOR_MEMLDO] = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .state_mem = { .enabled = 1, }, }, .num_consumer_supplies = 0, }, }, .probe_done = gta02_pmu_attach_child_devices, .regulator_registered = gta02_pmu_regulator_registered, .mbc_event_callback = gta02_pmu_event_callback, }; static void mangle_pmu_pdata_by_system_rev(void) { struct regulator_init_data *reg_init_data; reg_init_data = gta02_pcf_pdata.reg_init_data; switch (system_rev) { case GTA02v1_SYSTEM_REV: /* FIXME: this is only in v1 due to wrong PMU variant */ reg_init_data[PCF50633_REGULATOR_DOWN2] .constraints.state_mem.enabled = 1; break; case GTA02v2_SYSTEM_REV: case GTA02v3_SYSTEM_REV: case GTA02v4_SYSTEM_REV: case GTA02v5_SYSTEM_REV: case GTA02v6_SYSTEM_REV: reg_init_data[PCF50633_REGULATOR_LDO1] .constraints.min_uV = 3300000; reg_init_data[PCF50633_REGULATOR_LDO1] .constraints.min_uV = 3300000; reg_init_data[PCF50633_REGULATOR_LDO1] .constraints.state_mem.enabled = 0; reg_init_data[PCF50633_REGULATOR_LDO5] .constraints.min_uV = 3000000; reg_init_data[PCF50633_REGULATOR_LDO5] .constraints.max_uV = 3000000; reg_init_data[PCF50633_REGULATOR_LDO6] .constraints.min_uV = 3000000; reg_init_data[PCF50633_REGULATOR_LDO6] .constraints.max_uV = 3000000; reg_init_data[PCF50633_REGULATOR_LDO6] .constraints.apply_uV = 1; break; default: break; } } #ifdef CONFIG_HDQ_GPIO_BITBANG /* BQ27000 Battery */ struct bq27000_platform_data bq27000_pdata = { .name = "battery", .rsense_mohms = 20, .hdq_read = hdq_read, .hdq_write = hdq_write, .hdq_initialized = hdq_initialized, .get_charger_online_status = gta02_get_charger_online_status, .get_charger_active_status = gta02_get_charger_active_status }; struct platform_device bq27000_battery_device = { .name = "bq27000-battery", .dev = { .platform_data = &bq27000_pdata, }, }; /* HDQ */ static void gta02_hdq_attach_child_devices(struct device *parent_device) { switch (system_rev) { case GTA02v5_SYSTEM_REV: case GTA02v6_SYSTEM_REV: bq27000_battery_device.dev.parent = parent_device; platform_device_register(&bq27000_battery_device); break; default: break; } } static void gta02_hdq_gpio_direction_out(void) { s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT); } static void gta02_hdq_gpio_direction_in(void) { s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT); } static void gta02_hdq_gpio_set_value(int val) { s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val); } static int gta02_hdq_gpio_get_value(void) { return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ); } static struct resource gta02_hdq_resources[] = { [0] = { .start = GTA02v5_GPIO_HDQ, .end = GTA02v5_GPIO_HDQ, }, }; struct hdq_platform_data gta02_hdq_platform_data = { .attach_child_devices = gta02_hdq_attach_child_devices, .gpio_dir_out = gta02_hdq_gpio_direction_out, .gpio_dir_in = gta02_hdq_gpio_direction_in, .gpio_set = gta02_hdq_gpio_set_value, .gpio_get = gta02_hdq_gpio_get_value, .enable_fiq = gta02_fiq_enable, .disable_fiq = gta02_fiq_disable, .kick_fiq = gta02_fiq_kick, }; struct platform_device gta02_hdq_device = { .name = "hdq", .num_resources = 1, .resource = gta02_hdq_resources, .dev = { .platform_data = >a02_hdq_platform_data, }, }; #endif #ifdef CONFIG_LEDS_NEO1973_VIBRATOR /* vibrator (child of FIQ) */ static struct resource gta02_vibrator_resources[] = { [0] = { .start = GTA02_GPIO_VIBRATOR_ON, .end = GTA02_GPIO_VIBRATOR_ON, }, }; struct neo1973_vib_platform_data gta02_vib_pdata = { .enable_fiq = gta02_fiq_enable, .disable_fiq = gta02_fiq_disable, .kick_fiq = gta02_fiq_kick, }; static struct platform_device gta02_vibrator_dev = { .name = "neo1973-vibrator", .num_resources = ARRAY_SIZE(gta02_vibrator_resources), .resource = gta02_vibrator_resources, .dev = { .platform_data = >a02_vib_pdata, }, }; #endif /* NOR Flash */ #define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ static struct physmap_flash_data gta02_nor_flash_data = { .width = 2, }; static struct resource gta02_nor_flash_resource = { .start = GTA02_FLASH_BASE, .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1, .flags = IORESOURCE_MEM, }; static struct platform_device gta02_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = >a02_nor_flash_data, }, .resource = >a02_nor_flash_resource, .num_resources = 1, }; struct platform_device s3c24xx_pwm_device = { .name = "s3c24xx_pwm", .num_resources = 0, }; static struct i2c_board_info gta02_i2c_devs[] __initdata = { { I2C_BOARD_INFO("pcf50633", 0x73), .irq = GTA02_IRQ_PCF50633, .platform_data = >a02_pcf_pdata, }, }; static struct s3c2410_nand_set gta02_nand_sets[] = { [0] = { .name = "neo1973-nand", .nr_chips = 1, .flags = S3C2410_NAND_BBT, }, }; /* choose a set of timings derived from S3C@2442B MCP54 * data sheet (K5D2G13ACM-D075 MCP Memory) */ static struct s3c2410_platform_nand gta02_nand_info = { .tacls = 0, .twrph0 = 25, .twrph1 = 15, .nr_sets = ARRAY_SIZE(gta02_nand_sets), .sets = gta02_nand_sets, .software_ecc = 1, }; static void gta02_s3c_mmc_set_power(unsigned char power_mode, unsigned short vdd) { static int is_on = -1; int on; on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP; if (is_on != on) gta02_wlan_reset(!on); is_on = on; } static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = { .set_power = gta02_s3c_mmc_set_power, }; static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd) { switch (cmd) { case S3C2410_UDC_P_ENABLE: printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__); neo1973_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1); break; case S3C2410_UDC_P_DISABLE: printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__); neo1973_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0); break; case S3C2410_UDC_P_RESET: printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__); /* FIXME! */ break; default: break; } } /* get PMU to set USB current limit accordingly */ static struct s3c2410_udc_mach_info gta02_udc_cfg = { .vbus_draw = gta02_udc_vbus_draw, .udc_command = gta02_udc_command, }; /* touchscreen configuration */ #ifdef CONFIG_TOUCHSCREEN_FILTER static struct ts_filter_linear_configuration gta02_ts_linear_config = { .constants = {1, 0, 0, 0, 1, 0, 1}, /* don't modify coords */ .coord0 = 0, .coord1 = 1, }; static struct ts_filter_group_configuration gta02_ts_group_config = { .extent = 12, .close_enough = 10, .threshold = 6, /* at least half of the points in a group */ .attempts = 10, }; static struct ts_filter_median_configuration gta02_ts_median_config = { .extent = 20, .decimation_below = 3, .decimation_threshold = 8 * 3, .decimation_above = 4, }; static struct ts_filter_mean_configuration gta02_ts_mean_config = { .bits_filter_length = 2, /* 4 points */ }; static struct s3c2410_ts_mach_info gta02_ts_cfg = { .delay = 10000, .presc = 0xff, /* slow as we can go */ .filter_sequence = { [0] = &ts_filter_group_api, [1] = &ts_filter_median_api, [2] = &ts_filter_mean_api, [3] = &ts_filter_linear_api, }, .filter_config = { [0] = >a02_ts_group_config, [1] = >a02_ts_median_config, [2] = >a02_ts_mean_config, [3] = >a02_ts_linear_config, }, }; #else /* !CONFIG_TOUCHSCREEN_FILTER */ static struct s3c2410_ts_mach_info gta02_ts_cfg = { .delay = 10000, .presc = 0xff, /* slow as we can go */ .filter_sequence = { NULL }, .filter_config = { NULL }, }; #endif static void gta02_bl_set_intensity(int intensity) { struct pcf50633 *pcf = gta02_pcf; int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); int ret; intensity >>= 2; /* * One code path that leads here is from a kernel panic. Trying to turn * the backlight on just gives us a nearly endless stream of complaints * and accomplishes nothing. We can't win. Just give up. * * In the unlikely event that there's another path leading here while * we're atomic, we print at least a warning. */ if (in_atomic()) { printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n"); return; } old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); if (intensity == old_intensity) return; /* We can't do this anywhere else */ pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5); if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3)) old_intensity = 0; /* * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60) * if seen, you have to re-enable the LED unit */ if (!intensity || !old_intensity) pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0); if (!intensity) /* illegal to set LEDOUT to 0 */ ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2); else ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, intensity); if (intensity) pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2); } static struct generic_bl_info gta02_bl_info = { .name = "gta02-bl", .max_intensity = 0xff, .default_intensity = 0xff, .set_bl_intensity = gta02_bl_set_intensity, }; static struct platform_device gta02_bl_dev = { .name = "generic-bl", .id = 1, .dev = { .platform_data = >a02_bl_info, }, }; /* SPI: LCM control interface attached to Glamo3362 */ static void gta02_jbt6k74_reset(int devidx, int level) { glamo_lcm_reset(level); } static void gta02_jbt6k74_probe_completed(struct device *dev) { struct pcf50633 *pcf = gta02_pcf; /* Switch on backlight. Qi does not do it for us */ pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01); pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00); pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01); pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01); gta02_bl_dev.dev.parent = dev; platform_device_register(>a02_bl_dev); } const struct jbt6k74_platform_data jbt6k74_pdata = { .reset = gta02_jbt6k74_reset, .probe_completed = gta02_jbt6k74_probe_completed, }; static struct spi_board_info gta02_spi_board_info[] = { { .modalias = "jbt6k74", /* platform_data */ .platform_data = &jbt6k74_pdata, /* controller_data */ /* irq */ .max_speed_hz = 100 * 1000, .bus_num = 2, /* chip_select */ }, }; #if 0 /* currently this is not used and we use gpio spi */ static struct glamo_spi_info glamo_spi_cfg = { .board_size = ARRAY_SIZE(gta02_spi_board_info), .board_info = gta02_spi_board_info, }; #endif /* 0 */ static struct glamo_spigpio_info glamo_spigpio_cfg = { .pin_clk = GLAMO_GPIO10_OUTPUT, .pin_mosi = GLAMO_GPIO11_OUTPUT, .pin_cs = GLAMO_GPIO12_OUTPUT, .pin_miso = 0, .board_size = ARRAY_SIZE(gta02_spi_board_info), .board_info = gta02_spi_board_info, }; /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */ void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume) { struct lis302dl_platform_data *pdata = lis->pdata; if (!resume) { /* * we don't want to power them with a high level * because GSENSOR_3V3 is not up during suspend */ s3c2410_gpio_setpin(pdata->pin_chip_select, 0); s3c2410_gpio_setpin(pdata->pin_clk, 0); s3c2410_gpio_setpin(pdata->pin_mosi, 0); /* misnomer: it is a pullDOWN in 2442 */ s3c2410_gpio_pullup(pdata->pin_miso, 1); return; } /* back to normal */ s3c2410_gpio_setpin(pdata->pin_chip_select, 1); s3c2410_gpio_setpin(pdata->pin_clk, 1); /* misnomer: it is a pullDOWN in 2442 */ s3c2410_gpio_pullup(pdata->pin_miso, 0); s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT); s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT); s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT); s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT); } struct lis302dl_platform_data lis302_pdata_top = { .name = "lis302-1 (top)", .pin_chip_select= S3C2410_GPD12, .pin_clk = S3C2410_GPG7, .pin_mosi = S3C2410_GPG6, .pin_miso = S3C2410_GPG5, .interrupt = GTA02_IRQ_GSENSOR_1, .open_drain = 1, /* altered at runtime by PCB rev */ .lis302dl_suspend_io = gta02_lis302dl_suspend_io, }; struct lis302dl_platform_data lis302_pdata_bottom = { .name = "lis302-2 (bottom)", .pin_chip_select= S3C2410_GPD13, .pin_clk = S3C2410_GPG7, .pin_mosi = S3C2410_GPG6, .pin_miso = S3C2410_GPG5, .interrupt = GTA02_IRQ_GSENSOR_2, .open_drain = 1, /* altered at runtime by PCB rev */ .lis302dl_suspend_io = gta02_lis302dl_suspend_io, }; static struct spi_board_info lis302dl_spi_board_info[] = { { .modalias = "lis302dl", /* platform_data */ .platform_data = &lis302_pdata_top, /* controller_data */ /* irq */ .max_speed_hz = 100 * 1000, .bus_num = 3, .chip_select = 0, }, { .modalias = "lis302dl", /* platform_data */ .platform_data = &lis302_pdata_bottom, /* controller_data */ /* irq */ .max_speed_hz = 100 * 1000, .bus_num = 3, .chip_select = 1, }, }; static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs) { /* * Huh... "quirk"... CS on this device is not really "CS" like you can * expect. * * When it is 0 it selects SPI interface mode. * When it is 1 it selects I2C interface mode. * * Because we have 2 devices on one interface we have to make sure * that the "disabled" device (actually in I2C mode) don't think we're * talking to it. * * When we talk to the "enabled" device, the "disabled" device sees * the clocks as I2C clocks, creating havoc. * * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we * must ensure this is never issued. */ int cs_gpio, other_cs_gpio; cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12; other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12; if (cs == BITBANG_CS_ACTIVE) { s3c2410_gpio_setpin(other_cs_gpio, 1); s3c2410_gpio_setpin(cs_gpio, 1); s3c2410_gpio_setpin(info->pin_clk, 1); s3c2410_gpio_setpin(cs_gpio, 0); } else { s3c2410_gpio_setpin(cs_gpio, 1); s3c2410_gpio_setpin(other_cs_gpio, 1); } } static struct s3c2410_spigpio_info gta02_spigpio_cfg = { .pin_clk = S3C2410_GPG7, .pin_mosi = S3C2410_GPG6, .pin_miso = S3C2410_GPG5, .board_size = ARRAY_SIZE(lis302dl_spi_board_info), .board_info = lis302dl_spi_board_info, .num_chipselect = 2, .chip_select = gta02_lis302_chip_select, .non_blocking_transfer = 1, }; static struct platform_device gta02_spi_gpio_dev = { .name = "spi_s3c24xx_gpio", .dev = { .platform_data = >a02_spigpio_cfg, }, }; /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */ static struct resource gta02_led_resources[] = { { .name = "gta02-power:orange", .start = GTA02_GPIO_PWR_LED1, .end = GTA02_GPIO_PWR_LED1, }, { .name = "gta02-power:blue", .start = GTA02_GPIO_PWR_LED2, .end = GTA02_GPIO_PWR_LED2, }, { .name = "gta02-aux:red", .start = GTA02_GPIO_AUX_LED, .end = GTA02_GPIO_AUX_LED, }, }; struct platform_device gta02_led_dev = { .name = "gta02-led", .num_resources = ARRAY_SIZE(gta02_led_resources), .resource = gta02_led_resources, }; static struct resource gta02_button_resources[] = { [0] = { .start = GTA02_GPIO_AUX_KEY, .end = GTA02_GPIO_AUX_KEY, }, [1] = { .start = GTA02_GPIO_HOLD_KEY, .end = GTA02_GPIO_HOLD_KEY, }, [2] = { .start = GTA02_GPIO_JACK_INSERT, .end = GTA02_GPIO_JACK_INSERT, }, [3] = { .start = 0, .end = 0, }, [4] = { .start = 0, .end = 0, }, }; static struct platform_device gta02_button_dev = { .name = "neo1973-button", .num_resources = ARRAY_SIZE(gta02_button_resources), .resource = gta02_button_resources, }; static struct platform_device gta02_pm_usbhost_dev = { .name = "neo1973-pm-host", }; /* USB */ static struct s3c2410_hcd_info gta02_usb_info = { .port[0] = { .flags = S3C_HCDFLG_USED, }, .port[1] = { .flags = 0, }, }; static int glamo_irq_is_wired(void) { int rc; int count = 0; /* * GTA02 S-Media IRQs prior to A5 are broken due to a lack of * a pullup on the INT# line. Check for the bad behaviour. */ s3c2410_gpio_setpin(S3C2410_GPG4, 0); s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP); s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP); /* * we force it low ourselves for a moment and resume being input. * If there is a pullup, it won't stay low for long. But if the * level converter is there as on < A5 revision, the weak keeper * on the input of the LC will hold the line low indefinitiely */ do rc = s3c2410_gpio_getpin(S3C2410_GPG4); while ((!rc) && ((count++) < 10)); if (rc) { /* it got pulled back up, it's good */ printk(KERN_INFO "Detected S-Media IRQ# pullup, " "enabling interrupt\n"); return 0; } else /* Gah we can't work with this level converter */ printk(KERN_WARNING "** Detected bad IRQ# circuit found" " on pre-A5 GTA02: S-Media interrupt disabled **\n"); return -ENODEV; } static int gta02_glamo_can_set_mmc_power(void) { switch (system_rev) { case GTA02v3_SYSTEM_REV: case GTA02v4_SYSTEM_REV: case GTA02v5_SYSTEM_REV: case GTA02v6_SYSTEM_REV: return 1; } return 0; } /* Smedia Glamo 3362 */ /* * we crank down SD Card clock dynamically when GPS is powered */ static int gta02_glamo_mci_use_slow(void) { return neo1973_pm_gps_is_on(); } static void gta02_glamo_external_reset(int level) { s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level); s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT); } static struct glamofb_platform_data gta02_glamo_pdata = { .width = 43, .height = 58, /* 24.5MHz --> 40.816ns */ .pixclock = 40816, .left_margin = 8, .right_margin = 16, .upper_margin = 2, .lower_margin = 16, .hsync_len = 8, .vsync_len = 2, .fb_mem_size = 0x400000, /* glamo has 8 megs of SRAM. we use 4 */ .xres = { .min = 240, .max = 640, .defval = 480, }, .yres = { .min = 320, .max = 640, .defval = 640, }, .bpp = { .min = 16, .max = 16, .defval = 16, }, //.spi_info = &glamo_spi_cfg, .spigpio_info = &glamo_spigpio_cfg, /* glamo MMC function platform data */ .mmc_dev = >a02_mmc_dev, .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power, .glamo_mci_use_slow = gta02_glamo_mci_use_slow, .glamo_irq_is_wired = glamo_irq_is_wired, .glamo_external_reset = gta02_glamo_external_reset }; static struct resource gta02_glamo_resources[] = { [0] = { .start = S3C2410_CS1, .end = S3C2410_CS1 + 0x1000000 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = GTA02_IRQ_3D, .end = GTA02_IRQ_3D, .flags = IORESOURCE_IRQ, }, [2] = { .start = GTA02_GPIO_3D_RESET, .end = GTA02_GPIO_3D_RESET, }, }; static struct platform_device gta02_glamo_dev = { .name = "glamo3362", .num_resources = ARRAY_SIZE(gta02_glamo_resources), .resource = gta02_glamo_resources, .dev = { .platform_data = >a02_glamo_pdata, }, }; static void mangle_glamo_res_by_system_rev(void) { switch (system_rev) { case GTA02v1_SYSTEM_REV: break; default: gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET; gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET; break; } switch (system_rev) { case GTA02v1_SYSTEM_REV: case GTA02v2_SYSTEM_REV: case GTA02v3_SYSTEM_REV: /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */ /* The hardware is missing a pull-up resistor and thus can't * support the Smedia Glamo IRQ */ gta02_glamo_resources[1].start = 0; gta02_glamo_resources[1].end = 0; break; } } static void __init gta02_map_io(void) { s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); } static irqreturn_t gta02_modem_irq(int irq, void *param) { printk(KERN_DEBUG "modem wakeup interrupt\n"); gta_gsm_interrupts++; return IRQ_HANDLED; } static irqreturn_t ar6000_wow_irq(int irq, void *param) { printk(KERN_DEBUG "ar6000_wow interrupt\n"); return IRQ_HANDLED; } /* * hardware_ecc=1|0 */ static char hardware_ecc_str[4] __initdata = ""; static int __init hardware_ecc_setup(char *str) { if (str) strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str)); return 1; } __setup("hardware_ecc=", hardware_ecc_setup); /* these are the guys that don't need to be children of PMU */ static struct platform_device *gta02_devices[] __initdata = { >a02_version_device, &s3c_device_usb, &s3c_device_wdt, >a02_memconfig_device, &s3c_device_sdi, &s3c_device_usbgadget, &s3c_device_nand, >a02_nor_flash, &s3c24xx_pwm_device, >a02_led_dev, >a02_pm_wlan_dev, /* not dependent on PMU */ &s3c_device_iis, &s3c_device_i2c0, }; /* these guys DO need to be children of PMU */ static struct platform_device *gta02_devices_pmu_children[] = { &s3c_device_ts, /* input 1 */ >a02_pm_gsm_dev, >a02_pm_usbhost_dev, >a02_spi_gpio_dev, /* input 2 and 3 */ >a02_button_dev, /* input 4 */ >a02_resume_reason_device, }; static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id) { struct platform_device *regulator, *pdev; gta02_pcf = pcf; regulator = pcf->regulator_pdev[id]; switch(id) { case PCF50633_REGULATOR_LDO4: pdev = >a01_pm_bt_dev; break; case PCF50633_REGULATOR_LDO5: pdev = >a01_pm_gps_dev; break; case PCF50633_REGULATOR_HCLDO: pdev = >a02_glamo_dev; break; default: return; } pdev->dev.parent = ®ulator->dev; platform_device_register(pdev); } /* this is called when pc50633 is probed, unfortunately quite late in the * day since it is an I2C bus device. Here we can belatedly define some * platform devices with the advantage that we can mark the pcf50633 as the * parent. This makes them get suspended and resumed with their parent * the pcf50633 still around. */ static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) { int n; for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) gta02_devices_pmu_children[n]->dev.parent = pcf->dev; mangle_glamo_res_by_system_rev(); platform_add_devices(gta02_devices_pmu_children, ARRAY_SIZE(gta02_devices_pmu_children)); } static void gta02_poweroff(void) { pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY); } static void __init gta02_machine_init(void) { int rc; /* set the panic callback to make AUX blink fast */ panic_blink = gta02_panic_blink; switch (system_rev) { case GTA02v6_SYSTEM_REV: /* we need push-pull interrupt from motion sensors */ lis302_pdata_top.open_drain = 0; lis302_pdata_bottom.open_drain = 0; break; default: break; } spin_lock_init(&motion_irq_lock); #ifdef CONFIG_CHARGER_PCF50633 INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); #endif /* Glamo chip select optimization */ /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */ /* do not force soft ecc if we are asked to use hardware_ecc */ if (hardware_ecc_str[0] == '1') gta02_nand_info.software_ecc = 0; s3c_device_usb.dev.platform_data = >a02_usb_info; s3c_device_nand.dev.platform_data = >a02_nand_info; s3c_device_sdi.dev.platform_data = >a02_s3c_mmc_cfg; /* acc sensor chip selects */ s3c2410_gpio_setpin(S3C2410_GPD12, 1); s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(S3C2410_GPD13, 1); s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT); s3c24xx_udc_set_platdata(>a02_udc_cfg); s3c_i2c0_set_platdata(NULL); set_s3c2410ts_info(>a02_ts_cfg); mangle_glamo_res_by_system_rev(); i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); mangle_pmu_pdata_by_system_rev(); platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); s3c_pm_init(); /* Make sure the modem can wake us up */ set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING); rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED, "modem", NULL); if (rc < 0) printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n"); enable_irq_wake(GTA02_IRQ_MODEM); /* Make sure the wifi module can wake us up*/ set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING); rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED, "ar6000", NULL); if (rc < 0) printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n"); enable_irq_wake(GTA02_IRQ_WLAN_GPIO1); pm_power_off = gta02_poweroff; /* Register the HDQ and vibrator as children of pwm device */ #ifdef CONFIG_HDQ_GPIO_BITBANG gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev; platform_device_register(>a02_hdq_device); #endif #ifdef CONFIG_LEDS_NEO1973_VIBRATOR gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev; platform_device_register(>a02_vibrator_dev); #endif } void DEBUG_LED(int n) { // int *p = NULL; switch (n) { case 0: neo1973_gpb_setpin(GTA02_GPIO_PWR_LED1, 1); break; case 1: neo1973_gpb_setpin(GTA02_GPIO_PWR_LED2, 1); break; default: neo1973_gpb_setpin(GTA02_GPIO_AUX_LED, 1); break; } // printk(KERN_ERR"die %d\n", *p); } EXPORT_SYMBOL_GPL(DEBUG_LED); MACHINE_START(NEO1973_GTA02, "GTA02") .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, .map_io = gta02_map_io, .init_irq = s3c24xx_init_irq, .init_machine = gta02_machine_init, .timer = &s3c24xx_timer, MACHINE_END