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add it50 touch

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This commit is contained in:
lhh
2010-09-08 22:20:32 +08:00
parent f4f4a5b8a8
commit af4e12857a
4 changed files with 14 additions and 4 deletions
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4
arch/arm/configs/rk2818_info_defconfig
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@@ -890,7 +890,7 @@ CONFIG_GPIOLIB=y
CONFIG_IOEXTEND_TCA6424=y
CONFIG_EXPANDED_GPIO_NUM=24
CONFIG_EXPANDED_GPIO_IRQ_NUM=24
CONFIG_SOFT_INTERRUPT=y
CONFIG_EXPAND_GPIO_SOFT_INTERRUPT=y
CONFIG_SPI_FPGA_GPIO_NUM=0
CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
# CONFIG_W1 is not set
@@ -1913,4 +1913,4 @@ CONFIG_REED_SOLOMON_DEC8=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_NLATTR=y
CONFIG_NLATTR=y

2
arch/arm/configs/rk2818_info_it50_defconfig
View File

@@ -863,7 +863,7 @@ CONFIG_GPIOLIB=y
CONFIG_IOEXTEND_TCA6424=y
CONFIG_EXPANDED_GPIO_NUM=24
CONFIG_EXPANDED_GPIO_IRQ_NUM=24
CONFIG_SOFT_INTERRUPT=y
CONFIG_EXPAND_GPIO_SOFT_INTERRUPT=y
CONFIG_SPI_FPGA_GPIO_NUM=0
CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
# CONFIG_W1 is not set

2
arch/arm/mach-rk2818/board-infoit50.c
View File

@@ -913,7 +913,7 @@ struct rk2818_spi_platform_data rk2818_spi_platdata = {
static struct xpt2046_platform_data xpt2046_info = {
.model = 2046,
.keep_vref_on = 1,
.swap_xy = 1,
.swap_xy = 0,
.x_min = 0,
.x_max = 800,
.y_min = 0,

10
drivers/input/touchscreen/xpt2046_ts.c
View File

@@ -54,12 +54,22 @@
#endif
#define LCD_MAX_LENGTH 800
#define LCD_MAX_WIDTH 480
#ifdef CONFIG_MACH_RK2818INFO_IT50
#define PT2046_TOUCH_AD_LEFT 4000
#define PT2046_TOUCH_AD_RIGHT 110
#define PT2046_TOUCH_AD_TOP 110
#define PT2046_TOUCH_AD_BOTTOM 3800
#define AD_TO_Y(adx) (LCD_MAX_WIDTH * ( PT2046_TOUCH_AD_BOTTOM - adx) / ( PT2046_TOUCH_AD_BOTTOM - PT2046_TOUCH_AD_TOP ))
#define AD_TO_X(ady) (LCD_MAX_LENGTH * (PT2046_TOUCH_AD_LEFT - ady) / (PT2046_TOUCH_AD_LEFT - PT2046_TOUCH_AD_RIGHT))
#else
#define PT2046_TOUCH_AD_LEFT 3855
#define PT2046_TOUCH_AD_RIGHT 260
#define PT2046_TOUCH_AD_TOP 300
#define PT2046_TOUCH_AD_BOTTOM 3755
#define AD_TO_X(adx) (LCD_MAX_WIDTH * (adx - PT2046_TOUCH_AD_TOP) / ( PT2046_TOUCH_AD_BOTTOM - PT2046_TOUCH_AD_TOP ))
#define AD_TO_Y(ady) (LCD_MAX_LENGTH * (PT2046_TOUCH_AD_LEFT - ady) / (PT2046_TOUCH_AD_LEFT - PT2046_TOUCH_AD_RIGHT))
#endif
#define TS_POLL_DELAY (10 * 1000000) /* ns delay before the first sample */
#define TS_POLL_PERIOD (20 * 1000000) /* ns delay between samples */