forked from len0rd/rockbox
iPod Nano 2G LCD sleep: Powering down LDO2 also affects USB, so we can't do that to shut off the LCD. Leave it on for now, and use the lightweight approach for waking up the Leadis LCD.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28601 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann
parent
ba64cf697e
commit
6574040b18
2 changed files with 665 additions and 858 deletions
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@ -27,6 +27,7 @@
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#include "pmu-target.h"
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#include "pmu-target.h"
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#ifdef HAVE_LCD_SLEEP
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#ifdef HAVE_LCD_SLEEP
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bool lcd_active(void);
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void lcd_awake(void);
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void lcd_awake(void);
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void lcd_update(void);
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void lcd_update(void);
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#endif
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#endif
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@ -38,11 +39,13 @@ void _backlight_set_brightness(int brightness)
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void _backlight_on(void)
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void _backlight_on(void)
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{
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{
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if(pmu_read(0x29) == 1) return;
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#ifdef HAVE_LCD_SLEEP
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#ifdef HAVE_LCD_SLEEP
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lcd_awake();
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if (!lcd_active())
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lcd_update();
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{
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sleep(HZ/10);
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lcd_awake();
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lcd_update();
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sleep(HZ/8);
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}
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#endif
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#endif
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pmu_write(0x29, 1);
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pmu_write(0x29, 1);
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}
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}
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@ -26,6 +26,7 @@
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#include "system.h"
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#include "system.h"
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#include "cpu.h"
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#include "cpu.h"
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#include "pmu-target.h"
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#include "pmu-target.h"
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#include "power.h"
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/* The Nano 2G has two different LCD types. What we call "type 0"
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/* The Nano 2G has two different LCD types. What we call "type 0"
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@ -205,191 +206,13 @@ unsigned short lcd_init_sequence_0[] = {
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};
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};
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unsigned short lcd_init_sequence_1[] = {
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unsigned short lcd_init_sequence_1[] = {
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CMD8, 0x01,
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DATA8, 0x00,
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SLEEP, 0,
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CMD8, 0xB1,
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DATA8, 0x16,
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DATA8, 0x03,
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CMD8, 0xB2,
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DATA8, 0x17,
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DATA8, 0x03,
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CMD8, 0xB4,
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DATA8, 0x00,
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CMD8, 0xB6,
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DATA8, 0x01,
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CMD8, 0xB7,
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DATA8, 0x00,
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DATA8, 0x00,
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DATA8, 0x02,
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DATA8, 0x00,
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DATA8, 0x06,
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DATA8, 0x26,
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DATA8, 0x2D,
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DATA8, 0x27,
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DATA8, 0x55,
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DATA8, 0x27,
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CMD8, 0xB8,
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DATA8, 0x10,
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CMD8, 0xB9,
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DATA8, 0x52,
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DATA8, 0x12,
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DATA8, 0x03,
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CMD8, 0xC0,
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DATA8, 0x0A,
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DATA8, 0x10,
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DATA8, 0x10,
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CMD8, 0xC2,
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DATA8, 0x14,
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DATA8, 0x23,
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CMD8, 0xC3,
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DATA8, 0x12,
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DATA8, 0x23,
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CMD8, 0xC6,
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DATA8, 0x48,
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CMD8, 0xE0,
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DATA8, 0x20,
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DATA8, 0x71,
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DATA8, 0x17,
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DATA8, 0x09,
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DATA8, 0x70,
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DATA8, 0x0C,
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DATA8, 0x13,
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DATA8, 0x25,
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CMD8, 0xE1,
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DATA8, 0x37,
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DATA8, 0x00,
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DATA8, 0x63,
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DATA8, 0x11,
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DATA8, 0xD9,
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DATA8, 0x00,
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DATA8, 0x12,
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DATA8, 0x01,
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CMD8, 0xE2,
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DATA8, 0x42,
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DATA8, 0x42,
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DATA8, 0x60,
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DATA8, 0x08,
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DATA8, 0xB4,
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DATA8, 0x07,
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DATA8, 0x0E,
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DATA8, 0x90,
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CMD8, 0xE3,
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DATA8, 0x47,
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DATA8, 0x60,
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DATA8, 0x66,
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DATA8, 0x09,
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DATA8, 0x6A,
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DATA8, 0x02,
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DATA8, 0x0E,
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DATA8, 0x09,
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CMD8, 0xE4,
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DATA8, 0x11,
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DATA8, 0x40,
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DATA8, 0x03,
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DATA8, 0x0A,
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DATA8, 0xC1,
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DATA8, 0x0D,
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DATA8, 0x17,
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DATA8, 0x30,
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CMD8, 0xE5,
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DATA8, 0x00,
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DATA8, 0x30,
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DATA8, 0x77,
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DATA8, 0x1C,
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DATA8, 0xFB,
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DATA8, 0x00,
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DATA8, 0x13,
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DATA8, 0x07,
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CMD8, 0xE6,
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DATA8, 0x01,
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CMD8, 0x35,
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DATA8, 0x00,
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CMD8, 0x36,
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DATA8, 0x00,
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CMD8, 0xF2,
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DATA8, 0x40,
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CMD8, 0xF3,
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DATA8, 0x50,
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CMD8, 0xFB,
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DATA8, 0x01,
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CMD8, 0x11,
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CMD8, 0x11,
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DATA8, 0x00,
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DATA16, 0x00,
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SLEEP, 0,
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CMD8, 0x3A,
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DATA8, 0x65,
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CMD8, 0x29,
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CMD8, 0x29,
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DATA8, 0x00,
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DATA16, 0x00,
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};
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};
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unsigned short lcd_init_sequence_2[] = {
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CMD8, 0x01,
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SLEEP, 0,
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CMD8, 0x11,
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SLEEP, 0,
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CMD8, 0x3a,
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DATA8, 0x65,
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CMD8, 0xab,
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CMD8, 0x35,
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DATA8, 0x00,
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CMD8, 0xf2,
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DATA8, 0x01,
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CMD8, 0xe0,
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DATA8, 0x71,
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DATA8, 0x76,
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DATA8, 0x25,
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DATA8, 0x01,
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DATA8, 0xa5,
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DATA8, 0x09,
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DATA8, 0x15,
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DATA8, 0x11,
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CMD8, 0xe1,
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DATA8, 0x40,
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DATA8, 0x21,
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DATA8, 0x64,
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DATA8, 0x13,
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DATA8, 0xf3,
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DATA8, 0x0b,
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DATA8, 0x00,
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DATA8, 0x00,
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CMD8, 0xe2,
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DATA8, 0x71,
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DATA8, 0x65,
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DATA8, 0x24,
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DATA8, 0x08,
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DATA8, 0x97,
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DATA8, 0x01,
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DATA8, 0x15,
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DATA8, 0x11,
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CMD8, 0xe3,
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DATA8, 0x51,
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DATA8, 0x01,
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DATA8, 0x62,
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DATA8, 0x13,
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DATA8, 0xf3,
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DATA8, 0x0b,
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DATA8, 0x00,
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DATA8, 0x00,
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CMD8, 0xe4,
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DATA8, 0x71,
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DATA8, 0x57,
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DATA8, 0x31,
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DATA8, 0x01,
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DATA8, 0x82,
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DATA8, 0x04,
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DATA8, 0x1f,
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DATA8, 0x11,
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CMD8, 0xe5,
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DATA8, 0x64,
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DATA8, 0x41,
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DATA8, 0x64,
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DATA8, 0x19,
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DATA8, 0xb3,
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DATA8, 0x09,
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DATA8, 0x00,
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DATA8, 0x00,
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CMD8, 0x29,
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};
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#endif /* HAVE_LCD_SLEEP */
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#endif /* HAVE_LCD_SLEEP */
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@ -478,45 +301,31 @@ void lcd_wakeup(void)
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{
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{
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unsigned short *lcd_init_sequence;
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unsigned short *lcd_init_sequence;
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unsigned int lcd_init_sequence_length;
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unsigned int lcd_init_sequence_length;
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int type = lcd_type;
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pmu_ldo_set_voltage(2, 17);
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PWRCONEXT &= ~0x80;
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PWRCONEXT &= ~0x80;
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PCON2 = 0x33333333;
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PCON3 = 0x11113333;
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PCON4 = 0x33333333;
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PCON13 &= ~0xf; /* Set pin 0 to input */
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PCON13 &= ~0xf; /* Set pin 0 to input */
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PCON14 &= ~0xf0; /* Set pin 1 to input */
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PCON14 &= ~0xf0; /* Set pin 1 to input */
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if((((PDAT13 & 1) == 1) && ((PDAT14 & 2) == 2))||
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pmu_write(0x2b, 1);
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(((PDAT13 & 1) == 0) && ((PDAT14 & 2) == 0)))
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{
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type = 2; /* there is a third lcd type which behaves like type 7 (LDS176) but needs to be initialized differently */
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}
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if(type == 0)
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if (lcd_type == 0)
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{
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{
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/* reset the lcd chip */
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LCD_RST_TIME = 0x7FFF;
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LCD_DRV_RST = 0;
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sleep(0);
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LCD_DRV_RST = 1;
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sleep(HZ / 100);
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lcd_init_sequence = lcd_init_sequence_0;
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lcd_init_sequence = lcd_init_sequence_0;
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lcd_init_sequence_length = (sizeof(lcd_init_sequence_0) - 1)/sizeof(unsigned short);
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lcd_init_sequence_length = (sizeof(lcd_init_sequence_0) - 1)/sizeof(unsigned short);
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}
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}
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else if(type == 1)
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else
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{
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{
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lcd_init_sequence = lcd_init_sequence_1;
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lcd_init_sequence = lcd_init_sequence_1;
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lcd_init_sequence_length = (sizeof(lcd_init_sequence_1) - 1)/sizeof(unsigned short);
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lcd_init_sequence_length = (sizeof(lcd_init_sequence_1) - 1)/sizeof(unsigned short);
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}
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}
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else
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{
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lcd_init_sequence = lcd_init_sequence_2;
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lcd_init_sequence_length = (sizeof(lcd_init_sequence_2) - 1)/sizeof(unsigned short);
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}
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/* reset the lcd chip */
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LCD_RST_TIME = 0x7FFF;
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LCD_DRV_RST = 0;
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sleep(0);
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LCD_DRV_RST = 1;
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sleep(HZ / 100);
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for(unsigned int i=0;i<lcd_init_sequence_length;i+=2)
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for(unsigned int i=0;i<lcd_init_sequence_length;i+=2)
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{
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{
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@ -578,12 +387,7 @@ void lcd_shutdown(void)
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s5l_lcd_write_wdata(0);
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s5l_lcd_write_wdata(0);
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}
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}
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PCON2 = 0;
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PCON3 = 0;
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PCON4 = 0;
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PWRCONEXT |= 0x80;
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PWRCONEXT |= 0x80;
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sleep(HZ / 20);
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pmu_ldo_set_voltage(2, 1);
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lcd_ispowered = false;
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lcd_ispowered = false;
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}
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}
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