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modified rgb lcd tft480800-25-e

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This commit is contained in:
hxy/ubuntu
2011-04-14 14:57:08 +08:00
parent 524e26f6ff
commit 88dd085452
1 changed files with 67 additions and 12 deletions
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79
drivers/video/display/screen/lcd_rgb_tft480800_25_e.c
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@@ -30,20 +30,21 @@
/* Base */
#define OUT_TYPE SCREEN_RGB
#define OUT_FACE OUT_P888
#define OUT_CLK 23000000
#define OUT_CLK 26000000
#define LCDC_ACLK 150000000 //29 lcdc axi DMA Ƶ<><C6B5>
/* Timing */
#define H_PW 1
#define H_BP 120
#define H_VD 800
#define H_FP 20
#define H_PW 8
#define H_BP 6
#define H_VD 480
#define H_FP 60
#define V_PW 1
#define V_BP 20
#define V_VD 480
#define V_PW 2
#define V_BP 12
#define V_VD 800
#define V_FP 4
#define LCD_WIDTH 800 //need modify
#define LCD_HEIGHT 480
@@ -60,7 +61,7 @@
#define TXD_PORT gLcd_info->txd_pin
#define CLK_PORT gLcd_info->clk_pin
#define CS_PORT gLcd_info->cs_pin
#define LCD_RST_PORT 1
#define LCD_RST_PORT RK29_PIN6_PC6
#define CS_OUT() gpio_direction_output(CS_PORT, 0)
#define CS_SET() gpio_set_value(CS_PORT, GPIO_HIGH)
@@ -74,13 +75,13 @@
#define LCD_RST_OUT() gpio_direction_output(LCD_RST_PORT, 0)
#define LCD_RST(i) gpio_set_value(LCD_RST_PORT, i)
#define bits_9 1
// #define bits_9
#ifdef bits_9 //9bits
#define LCDSPI_InitCMD(cmd) spi_write_9bit(0, cmd)
#define LCDSPI_InitDAT(dat) spi_write_9bit(1, dat)
#else //16bits
#define LCDSPI_InitCMD(cmd)
#define LCDSPI_InitDAT(dat)
#define LCDSPI_InitCMD(cmd) spi_write_16bit(0, cmd)
#define LCDSPI_InitDAT(dat) spi_write_16bit(1, dat)
#endif
#define Lcd_EnvidOnOff(i)
@@ -167,10 +168,64 @@ int spi_write_9bit(u32 type, u32 value)
}
/* spi write a data frame,type mean command or data */
int spi_write_16bit(u32 type, u32 value)
{
u32 i = 0;
u32 data = 0;
if(type != 0 && type != 1)
{
return -1;
}
/*make a data frame of 16 bits,the 8th bit 0:mean command,1:mean data*/
data = (type << 8)|value;
TXD_OUT();
CLK_OUT();
CS_OUT();
DRVDelayUs(2);
DRVDelayUs(2);
CS_SET();
TXD_SET();
CLK_SET();
DRVDelayUs(2);
CS_CLR();
for(i = 0; i < 16; i++) //reg
{
if(data & (1 << (15-i)))
{
TXD_SET();
}
else
{
TXD_CLR();
}
CLK_CLR();
DRVDelayUs(2);
CLK_SET();
DRVDelayUs(2);
}
CS_SET();
CLK_CLR();
TXD_CLR();
DRVDelayUs(2);
return 0;
}
int lcd_init(void)
{
if(gLcd_info)
gLcd_info->io_init();
printk("lcd_init...\n");
/* reset lcd to start init lcd by software if there is no hardware reset circuit for the lcd */
#ifdef LCD_RST_PORT
gpio_request(LCD_RST_PORT, NULL);
#endif
#if 1
TXD_OUT();
CLK_OUT();