Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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Index: firmware/export/config/ipodcolor.h =================================================================== --- firmware/export/config/ipodcolor.h (revision 29015) +++ firmware/export/config/ipodcolor.h (working copy) @@ -58,6 +58,9 @@ #define LCD_DEPTH 16 /* 65536 colours */ #define LCD_PIXELFORMAT RGB565SWAPPED /* rgb565 byte-swapped */ +/* Define this if the LCD can shut down */ +#define HAVE_LCD_SHUTDOWN + /* LCD stays visible without backlight - simulator hint */ #define HAVE_TRANSFLECTIVE_LCD Index: firmware/export/config/ipodnano1g.h =================================================================== --- firmware/export/config/ipodnano1g.h (revision 29015) +++ firmware/export/config/ipodnano1g.h (working copy) @@ -58,6 +58,9 @@ #define LCD_DEPTH 16 /* 65536 colours */ #define LCD_PIXELFORMAT RGB565SWAPPED /* rgb565 byte-swapped */ +/* Define this if the LCD can shut down */ +#define HAVE_LCD_SHUTDOWN + /* LCD stays visible without backlight - simulator hint */ #define HAVE_TRANSFLECTIVE_LCD Index: firmware/target/arm/ipod/backlight-nano_video.c =================================================================== --- firmware/target/arm/ipod/backlight-nano_video.c (revision 29015) +++ firmware/target/arm/ipod/backlight-nano_video.c (working copy) @@ -97,7 +97,6 @@ { GPIO_CLEAR_BITWISE(GPIOD_OUTPUT_VAL, 0x80); GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x08); - sleep(HZ/20); } enabled = on; } Index: firmware/target/arm/ipod/lcd-color_nano.c =================================================================== --- firmware/target/arm/ipod/lcd-color_nano.c (revision 29015) +++ firmware/target/arm/ipod/lcd-color_nano.c (working copy) @@ -31,6 +31,7 @@ #include "kernel.h" #include "system.h" #include "hwcompat.h" +#include "backlight-target.h" /* LCD command codes for HD66789R */ #define LCD_CNTL_RAM_ADDR_SET 0x21 @@ -39,7 +40,7 @@ #define LCD_CNTL_VERT_RAM_ADDR_POS 0x45 /*** globals ***/ -int lcd_type = 1; /* 0 = "old" Color/Photo, 1 = "new" Color & Nano */ +int lcd_type = 1; /* 0,2 = "old" Color/Photo; 1,3 = similar to HD66789R */ static inline void lcd_wait_write(void) { @@ -48,7 +49,7 @@ static void lcd_cmd_data(unsigned cmd, unsigned data) { - if (lcd_type == 0) {/* 16 bit transfers */ + if ((lcd_type&1) == 0) {/* 16 bit transfers */ lcd_wait_write(); LCD2_PORT = LCD2_CMD_MASK | cmd; lcd_wait_write(); @@ -91,22 +92,11 @@ if (IPOD_HW_REVISION == 0x60000) { lcd_type = 0; } else { - int gpio_a01, gpio_a04; - - /* A01 */ - gpio_a01 = (GPIOA_INPUT_VAL & 0x2) >> 1; - /* A04 */ - gpio_a04 = (GPIOA_INPUT_VAL & 0x10) >> 4; - - if (((gpio_a01 << 1) | gpio_a04) == 0 || ((gpio_a01 << 1) | gpio_a04) == 2) { - lcd_type = 0; - } else { - lcd_type = 1; - } + lcd_type = (GPIOA_INPUT_VAL & 0x2) | ((GPIOA_INPUT_VAL & 0x10) >> 4); } - if (lcd_type == 0) { + if ((lcd_type&1) == 0) { lcd_cmd_data(0xef, 0x0); - lcd_cmd_data(0x1, 0x0); + lcd_cmd_data(0x01, 0x0); lcd_cmd_data(0x80, 0x1); lcd_cmd_data(0x10, 0xc); lcd_cmd_data(0x18, 0x6); @@ -114,12 +104,49 @@ lcd_cmd_data(0x7e, 0x5); lcd_cmd_data(0x7f, 0x1); } - #elif CONFIG_LCD == LCD_IPODNANO /* iPodLinux doesn't appear have any LCD init code for the Nano */ #endif } +#ifdef HAVE_LCD_SHUTDOWN +void lcd_shutdown(void) { + /* Immediately switch off the backlight to avoid flashing. */ +#if defined(IPOD_NANO) + _backlight_hw_enable(false); +#elif defined(IPOD_COLOR) + _backlight_off(); +#endif + + if ((lcd_type&1) == 0) { + /* lcd_type 0 and 2 */ + lcd_cmd_data(0x00EF, 0x0000); + lcd_cmd_data(0x0080, 0x0000); udelay(1000); + lcd_cmd_data(0x0001, 0x0001); + } else if (lcd_type == 1) { + /* lcd_type 1 */ + lcd_cmd_data(0x0007, 0x0236); sleep( 40*HZ/1000); + lcd_cmd_data(0x0007, 0x0226); sleep( 40*HZ/1000); + lcd_cmd_data(0x0007, 0x0204); + lcd_cmd_data(0x0010, 0x7574); sleep(200*HZ/1000); + lcd_cmd_data(0x0010, 0x7504); sleep( 50*HZ/1000); + lcd_cmd_data(0x0010, 0x0501); + } else { + /* lcd_type 3 */ + lcd_cmd_data(0x0007, 0x4016); sleep( 20*HZ/1000); + lcd_cmd_data(0x0059, 0x0011); sleep( 20*HZ/1000); + lcd_cmd_data(0x0059, 0x0003); sleep( 20*HZ/1000); + lcd_cmd_data(0x0059, 0x0002); sleep( 20*HZ/1000); + lcd_cmd_data(0x0010, 0x6360); sleep(200*HZ/1000); + lcd_cmd_data(0x0010, 0x6300); sleep( 50*HZ/1000); + lcd_cmd_data(0x0010, 0x0300); + lcd_cmd_data(0x0059, 0x0000); + lcd_cmd_data(0x0007, 0x4004); + lcd_cmd_data(0x0010, 0x0301); + } +} +#endif + /* Helper function to set up drawing region and start drawing */ static void lcd_setup_drawing_region(int x, int y, int width, int height) { @@ -139,7 +166,7 @@ #endif /* setup the drawing region */ - if (lcd_type == 0) { + if ((lcd_type&1) == 0) { lcd_cmd_data(0x12, y0); /* start vert */ lcd_cmd_data(0x13, x0); /* start horiz */ lcd_cmd_data(0x15, y1); /* end vert */ |
