drivers/video/display/screen/lcd_wy_800x480.c

   1 #include <linux/fb.h>
   2 #include <linux/delay.h>
   3 #include "../../rk29_fb.h"
   4 #include <mach/gpio.h>
   5 #include <mach/iomux.h>
   6 #include <mach/board.h>
   7 #include "screen.h"
   8
   9 /* Base */
  10 #define LCD_WIDTH       154    //need modify
  11 #define LCD_HEIGHT      85
  12
  13 #define OUT_TYPE                SCREEN_RGB
  14 #define OUT_FACE                OUT_P666
  15 #define OUT_CLK                  33000000
  16 #define LCDC_ACLK       150000000     //29 lcdc axi DMA ÆµÂÊ
  17
  18 /* Timing */
  19 #define H_PW                    30
  20 #define H_BP                    16
  21 #define H_VD                    800
  22 #define H_FP                    210
  23
  24 #define V_PW                    13
  25 #define V_BP                    10
  26 #define V_VD                    480
  27 #define V_FP                    22
  28
  29 /* Other */
  30 #define DCLK_POL        0
  31 #define SWAP_RB         0
  32
  33 static struct rk29lcd_info *gLcd_info = NULL;
  34
  35 static int init(void)
  36 {
  37         int ret = 0;
  38
  39         if(gLcd_info && gLcd_info->io_init)
  40                 gLcd_info->io_init();
  41
  42         return 0;
  43 }
  44
  45 static int standby(u8 enable)
  46 {
  47         if(!enable)
  48         {
  49                 if(gLcd_info && gLcd_info->io_enable)
  50                         gLcd_info->io_enable();
  51         }
  52         else
  53         {
  54                 if(gLcd_info && gLcd_info->io_disable)
  55                         gLcd_info->io_disable();
  56         }
  57         return 0;
  58 }
  59
  60 void set_lcd_info(struct rk29fb_screen *screen,  struct rk29lcd_info *lcd_info )
  61 {
  62     /* screen type & face */
  63     screen->type = OUT_TYPE;
  64     screen->face = OUT_FACE;
  65
  66     /* Screen size */
  67     screen->x_res = H_VD;
  68     screen->y_res = V_VD;
  69
  70     screen->width = LCD_WIDTH;
  71     screen->height = LCD_HEIGHT;
  72
  73     /* Timing */
  74     screen->lcdc_aclk = LCDC_ACLK;
  75     screen->pixclock = OUT_CLK;
  76         screen->left_margin = H_BP;
  77         screen->right_margin = H_FP;
  78         screen->hsync_len = H_PW;
  79         screen->upper_margin = V_BP;
  80         screen->lower_margin = V_FP;
  81         screen->vsync_len = V_PW;
  82
  83         /* Pin polarity */
  84         screen->pin_hsync = 0;
  85         screen->pin_vsync = 0;
  86         screen->pin_den = 0;
  87         screen->pin_dclk = DCLK_POL;
  88
  89         /* Swap rule */
  90     screen->swap_rb = SWAP_RB;
  91     screen->swap_rg = 0;
  92     screen->swap_gb = 0;
  93     screen->swap_delta = 0;
  94     screen->swap_dumy = 0;
  95
  96         /* Operation function*/
  97         screen->init = init;
  98         screen->standby = standby;
  99         if(lcd_info)
 100         {
 101                 gLcd_info = lcd_info;
 102         }
 103         else
 104         {
 105                 printk("%s lcd_info==NULL\n", __func__);
 106         }
 107
 108 }
 109