diff options
Diffstat (limited to 'packages/linux/linux-rp-2.6.22/tosa-lcdnoise-r1-fix-r0.patch')
| -rw-r--r-- | packages/linux/linux-rp-2.6.22/tosa-lcdnoise-r1-fix-r0.patch | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/packages/linux/linux-rp-2.6.22/tosa-lcdnoise-r1-fix-r0.patch b/packages/linux/linux-rp-2.6.22/tosa-lcdnoise-r1-fix-r0.patch deleted file mode 100644 index 93a9c18720..0000000000 --- a/packages/linux/linux-rp-2.6.22/tosa-lcdnoise-r1-fix-r0.patch +++ /dev/null @@ -1,135 +0,0 @@ -From eada869814636157956641ba1503f0d6cc04e2b7 Mon Sep 17 00:00:00 2001 -From: Dmitry Baryshkov <dbaryshkov@gmail.com> -Date: Fri, 19 Oct 2007 17:43:51 +0400 -Subject: [PATCH] tosa-lcdnoise-r1.patch fixes - ---- - arch/arm/mach-pxa/tosa_lcd.c | 34 ++++++++++++++++++++++++++++++++++ - drivers/input/touchscreen/tosa_ts.c | 9 +-------- - include/asm-arm/arch-pxa/tosa.h | 5 +++++ - 3 files changed, 40 insertions(+), 8 deletions(-) - -diff --git a/arch/arm/mach-pxa/tosa_lcd.c b/arch/arm/mach-pxa/tosa_lcd.c -index d52f63f..447ca86 100644 ---- a/arch/arm/mach-pxa/tosa_lcd.c -+++ b/arch/arm/mach-pxa/tosa_lcd.c -@@ -59,6 +59,8 @@ static int bl_intensity; - static struct ssp_dev tosa_nssp_dev; - static struct ssp_state tosa_nssp_state; - static spinlock_t tosa_nssp_lock; -+static int blanked; -+static unsigned long hsync_time; - - static unsigned short normal_i2c[] = { - DAC_BASE, -@@ -130,6 +132,17 @@ static void tosa_lcd_tg_init(struct device *dev) - pxa_nssp_output(TG_GPOSR,0x02); /* GPOS0=powercontrol, GPOS1=GPIO, GPOS2=TCTL */ - } - -+static unsigned long calc_hsync_time(const struct fb_videomode *mode) { -+ /* The 25 and 44 'magic numbers' are from Sharp's 2.4 patches */ -+ if (mode->yres == 640) { -+ return 25; -+ } -+ if (mode->yres == 320) { -+ return 44; -+ } -+ return 0; -+} -+ - static void tosa_lcd_tg_on(struct device *dev, const struct fb_videomode *mode) - { - const int value = TG_REG0_COLOR | TG_REG0_UD | TG_REG0_LR; -@@ -154,6 +167,8 @@ static void tosa_lcd_tg_on(struct device *dev, const struct fb_videomode *mode) - /* set common voltage */ - i2c_smbus_write_byte_data(tosa_i2c_dac, DAC_CH1, comadj); - -+ blanked = 0; -+ hsync_time = calc_hsync_time(mode); - } - - static void tosa_lcd_tg_off(struct device *dev) -@@ -172,6 +187,8 @@ static void tosa_lcd_tg_off(struct device *dev) - - /* L3V Off */ - reset_scoop_gpio( &tosascoop_jc_device.dev,TOSA_SCOOP_JC_TC3693_L3V_ON); -+ -+ blanked = 1; - } - - static int tosa_detect_client(struct i2c_adapter* adapter, int address, int kind) { -@@ -238,6 +255,23 @@ static int tosa_detach_client(struct i2c_client* client) { - return 0; - } - -+unsigned long tosa_lcd_get_hsync_time(void) -+{ -+/* This method should eventually contain the correct algorithm for calculating -+ the hsync_time */ -+ if (blanked) -+ return 0; -+ else -+ return hsync_time; -+} -+ -+void tosa_lcd_wait_hsync(void) -+{ -+ /* Waits for a rising edge on the VGA line */ -+ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) == 0); -+ while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) != 0); -+} -+ - static struct i2c_driver tosa_driver={ - .id = TOSA_LCD_I2C_DEVICEID, - .attach_adapter = tosa_attach_adapter, -diff --git a/drivers/input/touchscreen/tosa_ts.c b/drivers/input/touchscreen/tosa_ts.c -index bc733e9..134f8ce 100644 ---- a/drivers/input/touchscreen/tosa_ts.c -+++ b/drivers/input/touchscreen/tosa_ts.c -@@ -25,13 +25,6 @@ - #define CCNT_ON() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1)) - #define CCNT_OFF() asm("mcr p14, 0, %0, C0, C0, 0" : : "r"(1)) - --static inline void tosa_lcd_wait_hsync(void) --{ -- /* Waits for a rising edge on the VGA line */ -- while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) == 0); -- while((GPLR(TOSA_GPIO_VGA_LINE) & GPIO_bit(TOSA_GPIO_VGA_LINE)) != 0); --} -- - /* On the Sharp SL-6000 (Tosa), due to a noisy LCD, we need to perform a wait - * before sampling the Y axis of the touchscreen */ - void tosa_lcd_sync_on(int adcsel) { -@@ -54,7 +47,7 @@ void tosa_lcd_sync_on(int adcsel) { - } - } - --void tosa_lcd_sync_off(void) { -+void tosa_lcd_sync_off(int adcsel) { - CCNT_OFF(); - } - -diff --git a/include/asm-arm/arch-pxa/tosa.h b/include/asm-arm/arch-pxa/tosa.h -index ce7322d..7f446fd 100644 ---- a/include/asm-arm/arch-pxa/tosa.h -+++ b/include/asm-arm/arch-pxa/tosa.h -@@ -1,6 +1,7 @@ - /* - * Hardware specific definitions for Sharp SL-C6000x series of PDAs - * -+ * Copyright (c) 2006 Wolfson Microelectronics PLC. - * Copyright (c) 2005 Dirk Opfer - * - * Based on Sharp's 2.4 kernel patches -@@ -187,4 +188,8 @@ - extern struct platform_device tosascoop_jc_device; - extern struct platform_device tosascoop_device; - extern struct platform_device tc6393_device; -+ -+unsigned long tosa_lcd_get_hsync_time(void); -+void tosa_lcd_wait_hsync(void); -+ - #endif /* _ASM_ARCH_TOSA_H_ */ --- -1.4.4.4 - |