diff options
Diffstat (limited to 'firmware/target/arm/philips/sa9200/lcd-sa9200.c')
| -rwxr-xr-x | firmware/target/arm/philips/sa9200/lcd-sa9200.c | 109 |
1 files changed, 75 insertions, 34 deletions
diff --git a/firmware/target/arm/philips/sa9200/lcd-sa9200.c b/firmware/target/arm/philips/sa9200/lcd-sa9200.c index 2181e26e64..d7fe2e9c12 100755 --- a/firmware/target/arm/philips/sa9200/lcd-sa9200.c +++ b/firmware/target/arm/philips/sa9200/lcd-sa9200.c @@ -24,6 +24,44 @@ #include "kernel.h" #include "system.h" +/* The SA9200 controller closely matches the register defines for the + Samsung S6D0151 */ +#define R_START_OSC 0x00 +#define R_DRV_OUTPUT_CONTROL 0x01 +#define R_INVERSION_CONTROL 0x02 +#define R_ENTRY_MODE 0x03 +#define R_DISP_CONTROL 0x07 +#define R_BLANK_PERIOD_CONTROL 0x08 +#define R_FRAME_CYCLE_CONTROL 0x0b +#define R_EXT_INTERFACE_CONTROL 0x0c +#define R_POWER_CONTROL1 0x10 +#define R_GAMMA_CONTROL1 0x11 +#define R_POWER_CONTROL2 0x12 +#define R_POWER_CONTROL3 0x13 +#define R_POWER_CONTROL4 0x14 +#define R_RAM_ADDR_SET 0x21 +#define R_WRITE_DATA_2_GRAM 0x22 +#define R_RAM_READ_DATA 0x22 +#define R_GAMMA_FINE_ADJ_POS1 0x30 +#define R_GAMMA_FINE_ADJ_POS2 0x31 +#define R_GAMMA_FINE_ADJ_POS3 0x32 +#define R_GAMMA_GRAD_ADJ_POS 0x33 +#define R_GAMMA_FINE_ADJ_NEG1 0x34 +#define R_GAMMA_FINE_ADJ_NEG2 0x35 +#define R_GAMMA_FINE_ADJ_NEG3 0x36 +#define R_GAMMA_GRAD_ADJ_NEG 0x37 +#define R_GAMMA_CONTROL3 0x38 +#define R_GATE_SCAN_START_POS 0x40 +#define R_1ST_SCR_DRV_POS 0x42 +#define R_2ND_SCR_DRV_POS 0x43 +#define R_HORIZ_RAM_ADDR_POS 0x44 +#define R_VERT_RAM_ADDR_POS 0x45 +#define R_OSC_CONTROL 0x61 +#define R_LOW_POWER_MODE 0x69 +#define R_PRE_DRIVING_PERIOD 0x70 +#define R_GATE_OUT_PERIOD_CTRL 0x71 +#define R_SOFTWARE_RESET 0x72 + /* Display status */ static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0; @@ -80,51 +118,54 @@ void lcd_init_device(void) LCD1_CONTROL |= 0x1; - lcd_write_reg(0x0000, 0x0001); + lcd_write_reg(R_START_OSC, 0x0001); udelay(50000); - lcd_write_reg(0x0011, 0x171f); - lcd_write_reg(0x0012, 0x0001); - lcd_write_reg(0x0013, 0x08cd); - lcd_write_reg(0x0014, 0x0416); - lcd_write_reg(0x0010, 0x1208); + lcd_write_reg(R_GAMMA_CONTROL1, 0x171f); + lcd_write_reg(R_POWER_CONTROL2, 0x0001); + lcd_write_reg(R_POWER_CONTROL3, 0x08cd); + lcd_write_reg(R_POWER_CONTROL4, 0x0416); + lcd_write_reg(R_POWER_CONTROL1, 0x1208); udelay(50000); - lcd_write_reg(0x0013, 0x081C); + lcd_write_reg(R_POWER_CONTROL3, 0x081c); udelay(200000); - lcd_write_reg(0x0001, 0x0a0c); - lcd_write_reg(0x0002, 0x0200); - lcd_write_reg(0x0003, 0x1030); - lcd_write_reg(0x0007, 0x0005); - lcd_write_reg(0x0008, 0x030a); - lcd_write_reg(0x000b, 0x0000); - lcd_write_reg(0x000c, 0x0000); - lcd_write_reg(0x0030, 0x0000); - lcd_write_reg(0x0031, 0x0204); - lcd_write_reg(0x0032, 0x0001); - lcd_write_reg(0x0033, 0x0600); - lcd_write_reg(0x0034, 0x0607); - lcd_write_reg(0x0035, 0x0305); - lcd_write_reg(0x0036, 0x0707); - lcd_write_reg(0x0037, 0x0006); - lcd_write_reg(0x0038, 0x0400); - lcd_write_reg(0x0040, 0x0000); - lcd_write_reg(0x0042, 0x9f00); - lcd_write_reg(0x0043, 0x0000); - lcd_write_reg(0x0044, 0x7f00); - lcd_write_reg(0x0045, 0x9f00); + lcd_write_reg(R_DRV_OUTPUT_CONTROL, 0x0a0c); + lcd_write_reg(R_INVERSION_CONTROL, 0x0200); + lcd_write_reg(R_ENTRY_MODE, 0x1030); + lcd_write_reg(R_DISP_CONTROL, 0x0005); + lcd_write_reg(R_BLANK_PERIOD_CONTROL, 0x030a); + lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0000); + lcd_write_reg(R_EXT_INTERFACE_CONTROL, 0x0000); + + lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0000); + lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0204); + lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0001); + lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0600); + lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0607); + lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0305); + lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0707); + lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0006); + lcd_write_reg(R_GAMMA_CONTROL3, 0x0400); + + lcd_write_reg(R_GATE_SCAN_START_POS, 0x0000); + lcd_write_reg(R_1ST_SCR_DRV_POS, 0x9f00); + lcd_write_reg(R_2ND_SCR_DRV_POS, 0x0000); + lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00); + lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00); + lcd_write_reg(0x00a8, 0x0125); lcd_write_reg(0x00a9, 0x0014); lcd_write_reg(0x00a7, 0x0022); - lcd_write_reg(0x0007, 0x0021); + lcd_write_reg(R_DISP_CONTROL, 0x0021); udelay(40000); - lcd_write_reg(0x0007, 0x0023); + lcd_write_reg(R_DISP_CONTROL, 0x0023); udelay(40000); - lcd_write_reg(0x0007, 0x1037); + lcd_write_reg(R_DISP_CONTROL, 0x1037); - lcd_write_reg(0x0021, 0x0000); + lcd_write_reg(R_RAM_ADDR_SET, 0x0000); #endif } @@ -195,8 +236,8 @@ void lcd_update_rect(int x, int y, int width, int height) addr = &lcd_framebuffer[y][x]; do { - lcd_write_reg(0x0021, ((y++ & 0xff) << 8) | (x & 0xff)); - lcd_send_command(0x0022); + lcd_write_reg(R_RAM_ADDR_SET, ((y++ & 0xff) << 8) | (x & 0xff)); + lcd_send_command(R_WRITE_DATA_2_GRAM); int w = width; do { |