diff options
| author | Nelson Castillo <arhuaco@freaks-unidos.net> | 2009-10-24 03:04:47 -0500 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2009-12-11 11:16:03 +0100 |
| commit | c8490f9e736a7c0f697c83f17aee161d0241172c (patch) | |
| tree | 23e580588d48bde4c5cbf9ccfb74e0f819076986 /arch | |
| parent | 0f4f116ade2cd15660157ac21ef55448c7349766 (diff) | |
Add touchscreen device.
Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-s3c2442/mach-gta02.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index b3fbc696d89..b5c4b9fa0cb 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -97,6 +97,15 @@ #include <linux/hdq.h> #include <linux/bq27000_battery.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; /* @@ -666,6 +675,52 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; +/* Touchscreen configuration. */ + +#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, +}; + +const static struct ts_filter_median_configuration gta02_ts_median = { + .extent = 20, + .decimation_below = 3, + .decimation_threshold = 8 * 3, + .decimation_above = 4, +}; + +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 + +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}, +}; + +const static struct s3c2410_ts_mach_info gta02_ts_cfg = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ + .filter_config = gta02_filter_configuration, +}; + + static void gta02_bl_set_intensity(int intensity) { struct pcf50633 *pcf = gta02_pcf; @@ -865,11 +920,13 @@ static struct platform_device *gta02_devices[] __initdata = { >a02_nor_flash, &s3c_device_iis, &s3c_device_i2c0, + &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, &s3c_device_timer[2], >a02_hdq_device, @@ -921,6 +978,7 @@ 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, |