diff options
Diffstat (limited to 'arch/arm/mach-s3c2442/mach-gta02.c')
| -rw-r--r-- | arch/arm/mach-s3c2442/mach-gta02.c | 121 |
1 files changed, 59 insertions, 62 deletions
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index 6aff6f02750..d367b6f7e5d 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -50,7 +50,6 @@ #include <linux/io.h> #include <linux/i2c.h> -#include <linux/backlight.h> #include <linux/regulator/machine.h> #include <linux/mfd/pcf50633/core.h> @@ -58,6 +57,7 @@ #include <linux/mfd/pcf50633/adc.h> #include <linux/mfd/pcf50633/gpio.h> #include <linux/mfd/pcf50633/pmic.h> +#include <linux/mfd/pcf50633/backlight.h> #include <linux/input.h> #include <linux/gpio_keys.h> @@ -108,6 +108,15 @@ #include <linux/gta02-vibrator.h> +#include <mach/ts.h> +#include <linux/input/touchscreen/ts_filter_chain.h> +#ifdef CONFIG_TOUCHSCREEN_FILTER +#include <linux/input/touchscreen/ts_filter_linear.h> +#include <linux/input/touchscreen/ts_filter_mean.h> +#include <linux/input/touchscreen/ts_filter_median.h> +#include <linux/input/touchscreen/ts_filter_group.h> +#endif + struct pcf50633 *gta02_pcf; /* @@ -459,6 +468,12 @@ static struct regulator_consumer_supply ldo6_consumers[] = { }; #endif +static struct pcf50633_bl_platform_data gta02_backlight_data = { + .default_brightness = 0x3f, + .default_brightness_limit = 0, + .ramp_time = 3, +}; + struct pcf50633_platform_data gta02_pcf_pdata = { .resumers = { [0] = PCF50633_INT1_USBINS | @@ -476,6 +491,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .chg_ref_current_ma = 1000, + .backlight_data = >a02_backlight_data, + .reg_init_data = { [PCF50633_REGULATOR_AUTO] = { .constraints = { @@ -692,67 +709,52 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; -static void gta02_bl_set_intensity(int intensity) -{ - struct pcf50633 *pcf = gta02_pcf; - int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); - - /* We map 8-bit intensity to 6-bit intensity in hardware. */ - intensity >>= 2; - - /* - * This can happen during, eg, print of panic on blanked console, - * but we can't service i2c without interrupts active, so abort. - */ - 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); +/* Touchscreen configuration. */ - 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); +#ifdef CONFIG_TOUCHSCREEN_FILTER +const static struct ts_filter_group_configuration gta02_ts_group = { + .length = 12, + .close_enough = 10, + .threshold = 6, /* At least half of the points in a group. */ + .attempts = 10, +}; - /* Illegal to set LEDOUT to 0. */ - if (!intensity) - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2); - else - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, - intensity); +const static struct ts_filter_median_configuration gta02_ts_median = { + .extent = 20, + .decimation_below = 3, + .decimation_threshold = 8 * 3, + .decimation_above = 4, +}; - if (intensity) - pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2); +const static struct ts_filter_mean_configuration gta02_ts_mean = { + .length = 4, +}; -} +const static struct ts_filter_linear_configuration gta02_ts_linear = { + .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */ + .coord0 = 0, + .coord1 = 1, +}; +#endif -static struct generic_bl_info gta02_bl_info = { - .name = "gta02-bl", - .max_intensity = 0xff, - .default_intensity = 0xff, - .set_bl_intensity = gta02_bl_set_intensity, +const static struct ts_filter_chain_configuration gta02_filter_configuration[] = +{ +#ifdef CONFIG_TOUCHSCREEN_FILTER + {&ts_filter_group_api, >a02_ts_group.config}, + {&ts_filter_median_api, >a02_ts_median.config}, + {&ts_filter_mean_api, >a02_ts_mean.config}, + {&ts_filter_linear_api, >a02_ts_linear.config}, +#endif + {NULL, NULL}, }; -static struct platform_device gta02_bl_dev = { - .name = "generic-bl", - .id = 1, - .dev = { - .platform_data = >a02_bl_info, - }, +const static struct s3c2410_ts_mach_info gta02_ts_cfg = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ + .filter_config = gta02_filter_configuration, }; + /* USB */ static struct s3c2410_hcd_info gta02_usb_info = { .port[0] = { @@ -826,15 +828,7 @@ static struct platform_device gta02_leds_device = { /* 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); + pcf50633_bl_set_brightness_limit(gta02_pcf, 0x3f); } const struct jbt6k74_platform_data jbt6k74_pdata = { @@ -982,11 +976,13 @@ static struct platform_device *gta02_devices[] __initdata = { >a02_pm_bt_dev, >a02_pm_gsm_dev, >a02_pm_wlan_dev, + &s3c_device_adc, }; /* These guys DO need to be children of PMU. */ static struct platform_device *gta02_devices_pmu_children[] = { + &s3c_device_ts, >a02_glamo_dev, >a02_hdq_device, >a02_vibrator_device, @@ -1124,6 +1120,7 @@ static void __init gta02_machine_init(void) s3c24xx_udc_set_platdata(>a02_udc_cfg); s3c_i2c0_set_platdata(NULL); + set_s3c2410ts_info(>a02_ts_cfg); i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); spi_register_board_info(gta02_spi_board_info, |