forked from len0rd/rockbox
Philips SA9200. Add LCD features: enable, sleep, flip, contrast, and invert.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21583 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mark Arigo
parent
d12df3a50e
commit
4093874f80
4 changed files with 262 additions and 36 deletions
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@ -42,18 +42,21 @@
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#define LCD_DEPTH 16 /* 65536 colours */
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#define LCD_PIXELFORMAT RGB565 /* rgb565 */
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#ifndef BOOTLOADER
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/* define this if you have LCD enable function */
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/* #define HAVE_LCD_ENABLE */
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#define HAVE_LCD_ENABLE
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/* Define this if your LCD can be put to sleep. HAVE_LCD_ENABLE
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should be defined as well. */
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/* #define HAVE_LCD_SLEEP */
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/* Define this if your LCD can be put to sleep.
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HAVE_LCD_ENABLE should be defined as well. */
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#define HAVE_LCD_SLEEP
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#define HAVE_LCD_SLEEP_SETTING
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#endif
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/* define this if you can flip your LCD */
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/* #define HAVE_LCD_FLIP */
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#define HAVE_LCD_FLIP
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/* define this if you can invert the colours on your LCD */
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/* #define HAVE_LCD_INVERT */
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#define HAVE_LCD_INVERT
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/* #define IRAM_LCDFRAMEBUFFER IDATA_ATTR *//* put the lcd frame buffer in IRAM */
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@ -150,9 +153,16 @@
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/* Define this to the CPU frequency */
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#define CPU_FREQ 75000000
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/* Type of LCD TODO: hopefully the same as the x5 but check this*/
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/* Type of LCD */
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#define CONFIG_LCD LCD_SA9200
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/* Define this if your LCD can set contrast */
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#define HAVE_LCD_CONTRAST
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#define MIN_CONTRAST_SETTING 0
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#define MAX_CONTRAST_SETTING 31
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#define DEFAULT_CONTRAST_SETTING 22 /* Match boot contrast */
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/* USB On-the-go */
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#define CONFIG_USBOTG USBOTG_ARC
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@ -25,6 +25,7 @@
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#include "ascodec.h"
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#include "as3514.h"
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#include "synaptics-mep.h"
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#include "lcd.h"
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void _backlight_set_brightness(int brightness)
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{
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@ -24,6 +24,19 @@
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#include "kernel.h"
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#include "system.h"
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/* Settings to remember when display is turned off */
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static bool invert;
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static bool flip;
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static int contrast;
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static bool power_on;
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static bool display_on;
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/* Forward declarations */
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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static void lcd_display_off(void);
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#endif
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/* The SA9200 controller closely matches the register defines for the
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Samsung S6D0151 */
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#define R_START_OSC 0x00
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@ -95,12 +108,11 @@ static void lcd_write_reg(unsigned reg, unsigned data)
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lcd_send_data(data);
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}
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/* LCD init */
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void lcd_init_device(void)
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{
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#if 0
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/* This is the init done by the OF bootloader.
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Re-initializing the lcd causes it to flash
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a white screen, so for now disable this. */
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/* This is done by the OF bootloader, no need to redo */
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DEV_INIT1 &= ~0x3000;
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DEV_INIT1 = DEV_INIT1;
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DEV_INIT2 &= ~0x400;
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@ -115,82 +127,272 @@ void lcd_init_device(void)
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LCD1_CONTROL &= ~0x800;
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LCD1_CONTROL &= ~0x400;
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udelay(30000);
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#endif
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power_on = true;
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display_on = true;
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invert = false;
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flip = false;
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contrast = DEFAULT_CONTRAST_SETTING;
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}
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#ifdef HAVE_LCD_SLEEP
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static void lcd_power_on(void)
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{
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LCD1_CONTROL |= 0x1;
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/** Power ON Sequence **/
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/* Start Oscillation */
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lcd_write_reg(R_START_OSC, 0x0001);
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udelay(50000);
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sleep(HZ/20); /* 50ms or more */
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/* DSTB=0, SAP2-0=001, BT2-0=101, DC2-0=000, AP2-0=001, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0d04);
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/* VR1C=0, VRN14-10=10111, VRP14-10=11111 */
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lcd_write_reg(R_GAMMA_CONTROL1, 0x171f);
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/* SVC3-0=0000, VRH5-4=01 */
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lcd_write_reg(R_POWER_CONTROL2, 0x0001);
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lcd_write_reg(R_POWER_CONTROL3, 0x08cd);
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lcd_write_reg(R_POWER_CONTROL4, 0x0416);
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/* VCMR=1, PON=0, VRH3-0=1101 */
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lcd_write_reg(R_POWER_CONTROL3, 0x080d);
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/* VDV6-0=0000100, VCOMG=0, VCM6-0=xxxxxxx */
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lcd_write_reg(R_POWER_CONTROL4, 0x0400 | contrast);
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/* DSTB=0, SAP2-0=010, BT2-0=010, DC2-0=000, AP2-0=010, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x1208);
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udelay(50000);
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sleep(HZ/20); /* 50ms or more */
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/* VCMR=1, PON=1, VRH3-0=1100 */
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lcd_write_reg(R_POWER_CONTROL3, 0x081c);
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udelay(200000);
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lcd_write_reg(R_DRV_OUTPUT_CONTROL, 0x0a0c);
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sleep(HZ/20); /* OF bootlaoder uses 200ms, no delay in OF firmware */
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/* Instructions for other mode settings (in register order). */
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lcd_write_reg(R_DRV_OUTPUT_CONTROL, flip ? 0x090c : 0x0a0c);
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/* FL1-0=10, FDL=0 */
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lcd_write_reg(R_INVERSION_CONTROL, 0x0200);
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/* BGR=1, MDT1-0=00, I/D1-0=11, AM=0 */
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lcd_write_reg(R_ENTRY_MODE, 0x1030);
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/* PT1-0=00, SPT=0, GON=0, DTE=0, CL=0, REV=1, D1-0=01 */
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lcd_write_reg(R_DISP_CONTROL, 0x0005);
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/* FP3-0=0011, BT3-0=1010 */
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lcd_write_reg(R_BLANK_PERIOD_CONTROL, 0x030a);
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/* DIV1-0=00, RTN3-0=0000 */
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lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0000);
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/* RM=0, DM1-0=00, RIM1-0=00 */
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lcd_write_reg(R_EXT_INTERFACE_CONTROL, 0x0000);
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/* PKP1=0x0, PKP0=0x0 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0000);
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/* PKP3=0x2, PKP2=0x4 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0204);
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/* PKP5=0x0, PKP4=0x1 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0001);
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/* PRP1=0x6, PRP0=0x0 */
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lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0600);
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/* PKN1=0x6, PKN0=0x7 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0607);
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/* PKN3=0x3, PKN2=0x5 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0305);
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/* PKN5=0x7, PKN4=0x7 */
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lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0707);
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/* PRN1=0x0, PRN0=0x6 */
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lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0006);
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/* VRN0=0x4, VRP=0x0 */
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lcd_write_reg(R_GAMMA_CONTROL3, 0x0400);
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/* SCN=0x0 */
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lcd_write_reg(R_GATE_SCAN_START_POS, 0x0000);
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/* SE1=LCD_HEIGHT-1, SS1=0x0 */
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lcd_write_reg(R_1ST_SCR_DRV_POS, 0x9f00);
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/* SE2=0x0, SS2=0x0 */
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lcd_write_reg(R_2ND_SCR_DRV_POS, 0x0000);
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/* HEA=LCD_WIDTH-1, HSA=0x0 */
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lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00);
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/* VEA=LCD_HEIGHT-1, VSA=0x0 */
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lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00);
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/* Unknown registers */
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lcd_write_reg(0x00a8, 0x0125);
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lcd_write_reg(0x00a9, 0x0014);
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lcd_write_reg(0x00a7, 0x0022);
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lcd_write_reg(R_DISP_CONTROL, 0x0021);
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udelay(40000);
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lcd_write_reg(R_DISP_CONTROL, 0x0023);
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udelay(40000);
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lcd_write_reg(R_DISP_CONTROL, 0x1037);
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lcd_write_reg(R_RAM_ADDR_SET, 0x0000);
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#endif
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power_on = true;
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}
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static void lcd_power_off(void)
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{
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/* Display must be off first */
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if (display_on)
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lcd_display_off();
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power_on = false;
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/** Power OFF sequence **/
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/* DSTB=0, SAP2-0=000, BT2-0=001, DC2-0=000, AP2-0=000, SLP=0, STB=0 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0100);
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/* VCMR=1, PON=0, VRH3-0=1101 */
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lcd_write_reg(R_POWER_CONTROL3, 0x080d);
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}
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void lcd_sleep(void)
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{
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if (power_on)
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lcd_power_off();
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/* Set standby mode */
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/* PT1-0=00, SPT=0, GON=1, DTE=1, CL=0, REV=1, D1-0=10 */
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lcd_write_reg(R_DISP_CONTROL, 0x0036);
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/* DSTB=0, SAP2-0=000, BT2-0=101, DC2-0=000, AP2-0=000, SLP=0, STB=1 */
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lcd_write_reg(R_POWER_CONTROL1, 0x0501);
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LCD1_CONTROL &= ~0xffff0001;
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}
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#endif
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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static void lcd_display_off(void)
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{
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display_on = false;
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/** Display OFF sequence **/
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/* PT1-0=10, SPT=0, GON=1, DTE=1, CL=0, REV=1, D1-0=10 */
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lcd_write_reg(R_DISP_CONTROL, 0x1036);
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sleep(HZ/25); /* 2 or more frames */
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/* PT1-0=10, SPT=0, GON=1, DTE=0, CL=0, REV=1, D1-0=00 */
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lcd_write_reg(R_DISP_CONTROL, 0x1034);
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sleep(HZ/500); /* 1ms or more */
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/* PT1-0=10, SPT=0, GON=0, DTE=0, CL=0, REV=1, D1-0=00 */
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lcd_write_reg(R_DISP_CONTROL, 0x1004);
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sleep(HZ/25); /* 2 or more frames */
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}
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#endif
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#if defined(HAVE_LCD_ENABLE)
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static void lcd_display_on(void)
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{
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/* Be sure power is on first */
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if (!power_on)
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lcd_power_on();
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/** Display ON Sequence **/
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/* PT1-0=00, SPT=0, GON=1, DTE=0, CL=0, REV=0, D1-0=01 */
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lcd_write_reg(R_DISP_CONTROL, 0x0021);
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sleep(HZ/500); /* 1ms or more */
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/* PT1-0=00, SPT=0, GON=1, DTE=0, CL=0, REV=0, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, 0x0023);
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sleep(HZ/25); /* 2 or more frames */
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/* PT1-0=10, SPT=0, GON=1, DTE=1, CL=0, REV=x, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, invert ? 0x1033 : 0x1037);
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display_on = true;
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}
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void lcd_enable(bool on)
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{
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if (on == display_on)
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return;
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if (on)
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{
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lcd_display_on();
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/* Probably out of sync and we don't wanna pepper the code with
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lcd_update() calls for this. */
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lcd_update();
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lcd_activation_call_hook();
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}
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else
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{
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lcd_display_off();
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}
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}
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#endif
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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bool lcd_active(void)
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{
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return display_on;
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}
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#endif
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/*** hardware configuration ***/
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#if 0
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int lcd_default_contrast(void)
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{
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return DEFAULT_CONTRAST_SETTING;
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}
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#endif
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void lcd_set_contrast(int val)
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{
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(void)val;
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contrast = val & 0x7f;
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if (!display_on)
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return;
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/* VDV6-0=0000100, VCOMG=0, VCM6-0=xxxxxxx */
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lcd_write_reg(R_POWER_CONTROL4, 0x0400 | contrast);
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}
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void lcd_set_invert_display(bool yesno)
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{
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(void)yesno;
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invert = yesno;
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if (!display_on)
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return;
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/* PT1-0=10, SPT=0, GON=1, DTE=1, CL=0, REV=x, D1-0=11 */
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lcd_write_reg(R_DISP_CONTROL, invert ? 0x1033 : 0x1037);
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}
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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(void)yesno;
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flip = yesno;
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if (!display_on)
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return;
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/* DPL=0, EPL=1, SM=0, GS=x, SS=x, NL4-0=01100 */
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lcd_write_reg(R_DRV_OUTPUT_CONTROL, flip ? 0x090c : 0x0a0c);
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}
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void lcd_yuv_set_options(unsigned options)
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@ -224,21 +426,27 @@ void lcd_update(void)
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void lcd_update_rect(int x, int y, int width, int height)
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{
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const fb_data *addr;
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if (x + width >= LCD_WIDTH)
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if (!display_on)
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return;
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if (x + width > LCD_WIDTH)
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width = LCD_WIDTH - x;
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if (y + height >= LCD_HEIGHT)
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if (y + height > LCD_HEIGHT)
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height = LCD_HEIGHT - y;
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if ((width <= 0) || (height <= 0))
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return; /* Nothing left to do. */
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addr = &lcd_framebuffer[y][x];
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do {
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lcd_write_reg(R_RAM_ADDR_SET, ((y++ & 0xff) << 8) | (x & 0xff));
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lcd_send_command(R_WRITE_DATA_2_GRAM);
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lcd_write_reg(R_HORIZ_RAM_ADDR_POS, ((x + width - 1) << 8) | x);
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lcd_write_reg(R_VERT_RAM_ADDR_POS, ((y + height -1) << 8) | y);
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lcd_write_reg(R_RAM_ADDR_SET, ((y & 0xff) << 8) | (x & 0xff));
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lcd_send_command(R_WRITE_DATA_2_GRAM);
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do {
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int w = width;
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do {
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lcd_send_data(*addr++);
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@ -26,6 +26,7 @@
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#include "as3514.h"
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#include "power.h"
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#include "synaptics-mep.h"
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#include "lcd.h"
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#include "logf.h"
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void power_init(void)
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@ -72,6 +73,12 @@ void power_off(void)
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{
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char byte;
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/* Backlight off */
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ascodec_write(AS3514_DCDC15, 0);
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/* LCD off/sleep (otherwise the image slowly fades out) */
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lcd_sleep();
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/* Send shutdown command to PMU */
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byte = ascodec_read(AS3514_SYSTEM);
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byte &= ~0x1;
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