diff options
Diffstat (limited to 'recipes/linux/linux-jlime-jornada7xx-2.6.17/Mach-Sa1100-Jornada720.patch')
| -rw-r--r-- | recipes/linux/linux-jlime-jornada7xx-2.6.17/Mach-Sa1100-Jornada720.patch | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/recipes/linux/linux-jlime-jornada7xx-2.6.17/Mach-Sa1100-Jornada720.patch b/recipes/linux/linux-jlime-jornada7xx-2.6.17/Mach-Sa1100-Jornada720.patch new file mode 100644 index 0000000000..89a81c899e --- /dev/null +++ b/recipes/linux/linux-jlime-jornada7xx-2.6.17/Mach-Sa1100-Jornada720.patch @@ -0,0 +1,184 @@ +--- linux-2.6.17-vanilla/arch/arm/mach-sa1100/jornada720.c 2006-06-18 01:49:35.000000000 +0000 ++++ linux-2.6.17/arch/arm/mach-sa1100/jornada720.c 2006-07-10 17:06:11.000000000 +0000 +@@ -22,11 +22,170 @@ + #include <asm/mach/map.h> + #include <asm/mach/serial_sa1100.h> + ++#include <asm/arch/jornada720.h> ++ ++#include <linux/lcd.h> ++#include <linux/backlight.h> ++#include <linux/fb.h> + #include "generic.h" + + + #define JORTUCR_VAL 0x20000400 + ++/* Jornada 720 MCU functions */ ++#define MCU_REVERSE(i) ((unsigned char)(((0x80 & i) >> 7) | ((0x40 & i) >> 5) \ ++ | ((0x20 & i) >> 3) | ((0x10 & i) >> 1) | ((0x08 & i) << 1) \ ++ | ((0x04 & i) << 3) | ((0x02 & i) << 5) | ((0x01 & i) << 7))) ++ ++void jornada720_init_ser(void) ++{ ++ int i; ++ ++ GPSR = GPIO_GPIO25; ++ Ser4SSCR0 = 0x0307; ++ Ser4MCCR0 = 0; ++ Ser4SSCR1 = 0x18; ++ Ser4SSCR0 = 0x0387; ++ while (Ser4SSSR & SSSR_RNE) ++ i = Ser4SSDR; ++} ++ ++int jornada720_mcu_byte(int arg_data) ++{ ++ int i; ++ ++ while ((Ser4SSSR & SSSR_TNF) == 0); ++ i = 0; ++ while ((GPLR & 0x400) && i++ < 400000); ++ /* wait for MCU */ ++ ++ if (i >= 400000) { ++ printk("jornada 720_mcu_byte: timed out\n"); ++ return -1; ++ } ++ Ser4SSDR = MCU_REVERSE(arg_data) << 8; ++ udelay(100); ++ while ((Ser4SSSR & SSSR_RNE) == 0); ++ i = Ser4SSDR; ++ if (i > 0xff) ++ printk("jornada720 mcu_byte: read %x\n", i); ++ return MCU_REVERSE(i & 0xff) & 0xff; ++} ++ ++ ++int jornada720_mcu_start(int arg_data) ++{ ++ int i; ++ ++ GPCR = GPIO_GPIO25; /* clear -> enable */ ++ udelay(100); ++ i = jornada720_mcu_byte(arg_data); ++ if (i != MCU_TxDummy) ++ { ++ printk("jornada720_mcu_start: sent %x got %x\n", arg_data, i); ++ for (i = 0; i < 256; i++) ++ if (jornada720_mcu_read() == -1) ++ break; ++ ++ jornada720_init_ser(); ++ return -1; ++ } ++ ++ return 0; ++} ++ ++ ++void jornada720_mcu_end(void) ++{ ++ udelay(100); ++ GPSR = GPIO_GPIO25; /* set */ ++} ++ ++void jornada720_mcu_init(void) ++{ ++ ++ /*int i; ++ ++ if (state) { ++ PPSR &= ~PPC_LDD1; ++ PPDR &= PPC_LDD1; ++ } ++ else { */ ++ PPSR |= PPC_LDD1; ++ /*} ++ return 0;*/ ++} ++ ++/*static int jornada720_backlight_get_power(struct backlight_device *bd) ++{ ++ ++ return ~(PPSR&PPC_LDD1); ++}*/ ++ ++static int jornada720_backlight_get_brightness(struct backlight_device *bd) ++{ ++ int brightness; ++ jornada720_mcu_start(MCU_GetBrightness); ++ brightness = jornada720_mcu_read(); ++ jornada720_mcu_end(); ++ return brightness; ++} ++ ++static int jornada720_backlight_set_brightness(struct backlight_device *bd) ++{ ++ /* TODO: should it be substracted? */ ++ int brightness = 255 - bd->props->brightness; ++ jornada720_mcu_start(MCU_SetBrightness); ++ jornada720_mcu_byte(brightness); ++ jornada720_mcu_end(); ++ return 0; ++} ++ ++static struct backlight_properties jornada720_backlight_properties = { ++ .owner = THIS_MODULE, ++ .get_brightness = jornada720_backlight_get_brightness, ++ .update_status = jornada720_backlight_set_brightness, ++ .max_brightness = 255, ++}; ++ ++static int jornada720_lcd_set_power(struct lcd_device *ld, int power) ++{ ++ return 0; ++} ++ ++static int jornada720_lcd_get_power(struct lcd_device *ld) ++{ ++ return 1; ++} ++ ++static int jornada720_lcd_get_contrast(struct lcd_device *ld) ++{ ++ int contrast; ++ ++ jornada720_mcu_start(MCU_GetContrast); ++ contrast = jornada720_mcu_read(); ++ jornada720_mcu_end(); ++ ++ return contrast; ++} ++ ++static int jornada720_lcd_set_contrast(struct lcd_device *ld, int contrast) ++{ ++ jornada720_mcu_start(MCU_SetContrast); ++ jornada720_mcu_byte(contrast); ++ jornada720_mcu_end(); ++ return 0; ++} ++ ++static struct lcd_properties jornada720_lcd_properties = { ++ .owner = THIS_MODULE, ++ .set_power = jornada720_lcd_set_power, ++ .get_power = jornada720_lcd_get_power, ++ .set_contrast = jornada720_lcd_set_contrast, ++ .get_contrast = jornada720_lcd_get_contrast, ++ .max_contrast = 255, ++}; ++ + static struct resource sa1111_resources[] = { + [0] = { + .start = 0x40000000, +@@ -77,6 +236,10 @@ + PPDR |= PPC_LDD3 | PPC_LDD4; + + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); ++ ++ jornada720_mcu_init(); ++ backlight_device_register("e1356fb", 0, &jornada720_backlight_properties); ++ lcd_device_register("e1356fb", 0, &jornada720_lcd_properties); + } + return ret; + } |