diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2009-10-09 10:52:55 +0200 |
---|---|---|
committer | Lars-Peter Clausen <lars@metafoo.de> | 2009-10-09 10:52:55 +0200 |
commit | 6c6692d4eeb74aaee885c62b9fd0f2f9f0b4f94c (patch) | |
tree | 7dca97f3b3210a7124d20753f6557359091e49a9 /arch/arm/mach-s3c2442 | |
parent | 533dc180290379c5eced9e5acdcdcf72a78a30ac (diff) | |
parent | 9a0ca511720ee9bc8f2bc448d53012b477028140 (diff) |
Merge branch 'gta02-machine-devices-2.6.31' into om-gta02-2.6.31
Diffstat (limited to 'arch/arm/mach-s3c2442')
-rw-r--r-- | arch/arm/mach-s3c2442/Kconfig | 3 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/gta02-fiq.c | 144 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/include/mach/gta02-fiq.h | 9 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/include/mach/gta02.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/mach-gta02.c | 350 |
6 files changed, 498 insertions, 14 deletions
diff --git a/arch/arm/mach-s3c2442/Kconfig b/arch/arm/mach-s3c2442/Kconfig index 26c14b1b835..8e37b9f42ab 100644 --- a/arch/arm/mach-s3c2442/Kconfig +++ b/arch/arm/mach-s3c2442/Kconfig @@ -34,6 +34,9 @@ config MACH_NEO1973_GTA02 select MACH_NEO1973 select S3C2410_PWM select S3C_DEV_USB_HOST + select FIQ + select S3C_PWM + select S3C24XX_GPIO_EXTRA64 help Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone diff --git a/arch/arm/mach-s3c2442/Makefile b/arch/arm/mach-s3c2442/Makefile index ebe0579c537..cf39481cb5c 100644 --- a/arch/arm/mach-s3c2442/Makefile +++ b/arch/arm/mach-s3c2442/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o \ gta02-pm-bt.o \ gta02-pm-gps.o \ gta02-pm-gsm.o \ - gta02-pm-wlan.o + gta02-pm-wlan.o \ + gta02-fiq.o # Machine support diff --git a/arch/arm/mach-s3c2442/gta02-fiq.c b/arch/arm/mach-s3c2442/gta02-fiq.c new file mode 100644 index 00000000000..2b46597c41e --- /dev/null +++ b/arch/arm/mach-s3c2442/gta02-fiq.c @@ -0,0 +1,144 @@ +#include <linux/kernel.h> + +#include <asm/fiq.h> +#include <plat/pwm.h> +#include <mach/regs-irq.h> +#include <mach/irqs.h> +#include <linux/io.h> +#include <linux/hdq.h> + +/* ------------------------------------------------------------------------------- + * 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(HDQ_SAMPLE_PERIOD_US) +extern int hdq_fiq_handler(void); +#endif + +#ifdef CONFIG_LEDS_GTA02_VIBRATOR +#define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100) +extern int gta02_vibrator_fiq_handler(void); +#endif + +/* Global data related to our fiq source */ +static uint32_t gta02_fiq_ack_mask; +static struct s3c2410_pwm gta02_fiq_pwm_timer; +static uint16_t gta02_fiq_timer_index; +static int gta02_fiq_irq; + +void gta02_fiq_handler(void) +{ + uint16_t divisor = 0xffff; + + /* 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_HDQ_GPIO_BITBANG + if (hdq_fiq_handler()) + divisor = FIQ_DIVISOR_HDQ; +#endif + +#ifdef CONFIG_LEDS_GTA02_VIBRATOR + if (gta02_vibrator_fiq_handler()) + divisor = FIQ_DIVISOR_VIBRATOR; +#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); +} + +void gta02_fiq_kick(void) +{ + unsigned long flags; + uint32_t 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); +} + +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); + + return 0; + +bail: + printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc); + + return rc; +} + +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 ------------------------------------- */ diff --git a/arch/arm/mach-s3c2442/include/mach/gta02-fiq.h b/arch/arm/mach-s3c2442/include/mach/gta02-fiq.h new file mode 100644 index 00000000000..90de3530595 --- /dev/null +++ b/arch/arm/mach-s3c2442/include/mach/gta02-fiq.h @@ -0,0 +1,9 @@ +#ifndef __GTA02_FIQ_H +#define __GTA02_FIQ_H + +extern void gta02_fiq_handler(void); +extern void gta02_fiq_kick(void); +extern int gta02_fiq_enable(void); +extern void gta02_fiq_disable(void); + +#endif diff --git a/arch/arm/mach-s3c2442/include/mach/gta02.h b/arch/arm/mach-s3c2442/include/mach/gta02.h index 11624c0b926..b67e5ec2919 100644 --- a/arch/arm/mach-s3c2442/include/mach/gta02.h +++ b/arch/arm/mach-s3c2442/include/mach/gta02.h @@ -80,6 +80,9 @@ #define GTA02_PCB_ID2_0 S3C2410_GPD(3) #define GTA02_PCB_ID2_1 S3C2410_GPD(4) +#define GTA02_GPIO_GLAMO_BASE S3C_GPIO_END +#define GTA02_GPIO_GLAMO(x) (GTA02_GPIO_GLAMO_BASE + (x)) + int gta02_get_pcb_revision(void); extern struct pcf50633 *gta02_pcf; diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index 4488b4b428c..7122114c517 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -38,6 +38,7 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> #include <linux/mmc/host.h> @@ -96,6 +97,17 @@ #include <mach/gta02-pm-gps.h> #include <mach/gta02-pm-wlan.h> +#include <linux/jbt6k74.h> +#include <linux/glamofb.h> +#include <linux/mfd/glamo.h> + +#include <mach/gta02-fiq.h> + +#include <linux/hdq.h> +#include <linux/bq27000_battery.h> + +#include <linux/gta02-vibrator.h> + struct pcf50633 *gta02_pcf; /* @@ -158,6 +170,140 @@ static struct s3c2410_uartcfg gta02_uartcfgs[] = { }, }; +/* + * we crank down SD Card clock dynamically when GPS is powered + */ + +static int gta02_glamo_mci_use_slow(void) +{ + return gta02_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); +} + +struct spi_gpio_platform_data spigpio_platform_data = { + .sck = GTA02_GPIO_GLAMO(10), + .mosi = GTA02_GPIO_GLAMO(11), + .miso = GTA02_GPIO_GLAMO(5), + .num_chipselect = 1, +}; + +static struct platform_device spigpio_device = { + .name = "spi_gpio", + .id = 2, + .dev = { + .platform_data = &spigpio_platform_data, + }, +}; + +static void gta02_glamo_registered(struct device *dev) +{ + spigpio_device.dev.parent = dev; + platform_device_register(&spigpio_device); +} + +static struct fb_videomode gta02_glamo_modes[] = { + { + .name = "480x640", + .xres = 480, + .yres = 640, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 16, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + }, { + .name = "240x320", + .xres = 240, + .yres = 320, + .pixclock = 40816, + .left_margin = 8, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 16, + .hsync_len = 8, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED, + } +}; + + +static struct glamo_fb_platform_data gta02_glamo_fb_pdata = { + .width = 43, + .height = 58, + + .num_modes = ARRAY_SIZE(gta02_glamo_modes), + .modes = gta02_glamo_modes, +}; + +static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = { + .glamo_mmc_use_slow = gta02_glamo_mci_use_slow, +}; + +static struct glamo_gpio_platform_data gta02_glamo_gpio_pdata = { + .base = GTA02_GPIO_GLAMO_BASE, + .registered = gta02_glamo_registered, +}; + +static struct glamo_platform_data gta02_glamo_pdata = { + .fb_data = >a02_glamo_fb_pdata, + .mmc_data = >a02_glamo_mmc_pdata, + .gpio_data = >a02_glamo_gpio_pdata, + + .osci_clock_rate = 32768, + + .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 struct platform_device gta02_pm_gps_dev = { + .name = "gta02-pm-gps", +}; + +static struct platform_device gta02_pm_bt_dev = { + .name = "gta02-pm-bt", +}; + +static struct platform_device gta02_pm_gsm_dev = { + .name = "gta02-pm-gsm", +}; + +static struct platform_device gta02_pm_wlan_dev = { + .name = "gta02-pm-wlan", +}; + #ifdef CONFIG_CHARGER_PCF50633 /* * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin. @@ -170,6 +316,20 @@ static struct s3c2410_uartcfg gta02_uartcfgs[] = { #define ADC_NOM_CHG_DETECT_1A 6 #define ADC_NOM_CHG_DETECT_USB 43 +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; +} + static void gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) { @@ -246,6 +406,8 @@ static void gta02_udc_vbus_draw(unsigned int ma) #else /* !CONFIG_CHARGER_PCF50633 */ #define gta02_pmu_event_callback NULL #define gta02_udc_vbus_draw NULL +#define gta02_get_charger_online_status NULL +#define gta02_get_charger_active_status NULL #endif /* @@ -263,6 +425,40 @@ static char *gta02_batteries[] = { "battery", }; +static struct regulator_consumer_supply ldo4_consumers[] = { + { + .dev = >a02_pm_bt_dev.dev, + .supply = "BT_3V2", + }, +}; + +static struct regulator_consumer_supply ldo5_consumers[] = { + { + .dev = >a02_pm_gps_dev.dev, + .supply = "RF_3V", + }, +}; + +static struct regulator_consumer_supply hcldo_consumers[] = { + { + .dev = >a02_glamo_dev.dev, + .supply = "SD_3V3", + }, +}; + +#if 0 +/* This will come with 2.6.32. Don't forget to uncomment it then. */ +static struct regulator_consumer_supply ldo6_consumers[] = { + REGULATOR_SUPPLY("VDC", "jbt6k74"), + REGULATOR_SUPPLY("VDDIO", "jbt6k74"), +}; +#else +static struct regulator_consumer_supply ldo6_consumers[] = { + { .supply = "VDC", }, + { .supply = "VDDIO", }, +}; +#endif + struct pcf50633_platform_data gta02_pcf_pdata = { .resumers = { [0] = PCF50633_INT1_USBINS | @@ -277,6 +473,9 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .batteries = gta02_batteries, .num_batteries = ARRAY_SIZE(gta02_batteries), + + .chg_ref_current_ma = 1000, + .reg_init_data = { [PCF50633_REGULATOR_AUTO] = { .constraints = { @@ -319,6 +518,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .always_on = 1, }, + .num_consumer_supplies = ARRAY_SIZE(hcldo_consumers), + .consumer_supplies = hcldo_consumers, }, [PCF50633_REGULATOR_LDO1] = { .constraints = { @@ -354,6 +555,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, + .num_consumer_supplies = ARRAY_SIZE(ldo4_consumers), + .consumer_supplies = ldo4_consumers, }, [PCF50633_REGULATOR_LDO5] = { .constraints = { @@ -365,6 +568,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .enabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(ldo5_consumers), + .consumer_supplies = ldo5_consumers, }, [PCF50633_REGULATOR_LDO6] = { .constraints = { @@ -372,6 +577,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL, }, + .num_consumer_supplies = ARRAY_SIZE(ldo6_consumers), + .consumer_supplies = ldo6_consumers, }, [PCF50633_REGULATOR_MEMLDO] = { .constraints = { @@ -484,8 +691,6 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; - - static void gta02_bl_set_intensity(int intensity) { struct pcf50633 *pcf = gta02_pcf; @@ -547,8 +752,6 @@ static struct platform_device gta02_bl_dev = { }, }; - - /* USB */ static struct s3c2410_hcd_info gta02_usb_info = { .port[0] = { @@ -619,20 +822,137 @@ static struct platform_device gta02_leds_device = { }, }; -static struct platform_device gta02_pm_gps_dev = { - .name = "gta02-pm-gps", +/* JBT6k74 display controller */ +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 = { + .probe_completed = gta02_jbt6k74_probe_completed, + .gpio_reset = GTA02_GPIO_GLAMO(4), }; -static struct platform_device gta02_pm_bt_dev = { - .name = "gta02-pm-bt", +static struct spi_board_info gta02_spi_board_info[] = { + { + .modalias = "jbt6k74", + .platform_data = &jbt6k74_pdata, + .controller_data = (void*)GTA02_GPIO_GLAMO(12), + /* irq */ + .max_speed_hz = 100 * 1000, + .bus_num = 2, + .chip_select = 0 + }, }; -static struct platform_device gta02_pm_gsm_dev = { - .name = "gta02-pm-gsm", +/* 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 }; -static struct platform_device gta02_pm_wlan_dev = { - .name = "gta02-pm-wlan", +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) +{ + bq27000_battery_device.dev.parent = parent_device; + platform_device_register(&bq27000_battery_device); +} + +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, + .parent = &s3c24xx_pwm_device.dev, + }, +}; + +/* vibrator (child of FIQ) */ + +static struct resource gta02_vibrator_resources[] = { + [0] = { + .start = GTA02_GPIO_VIBRATOR_ON, + .end = GTA02_GPIO_VIBRATOR_ON, + }, +}; + +struct gta02_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_device = { + .name = "gta02-vibrator", + .num_resources = ARRAY_SIZE(gta02_vibrator_resources), + .resource = gta02_vibrator_resources, + .dev = { + .platform_data = >a02_vib_pdata, + }, }; static void __init gta02_map_io(void) @@ -666,7 +986,9 @@ static struct platform_device *gta02_devices[] __initdata = { /* These guys DO need to be children of PMU. */ static struct platform_device *gta02_devices_pmu_children[] = { - >a02_bl_dev, + >a02_glamo_dev, + >a02_hdq_device, + >a02_vibrator_device, }; @@ -791,6 +1113,8 @@ static void __init gta02_machine_init(void) s3c_i2c0_set_platdata(NULL); i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); + spi_register_board_info(gta02_spi_board_info, + ARRAY_SIZE(gta02_spi_board_info)); platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); pm_power_off = gta02_poweroff; |