drivers/video/rockchip/screen/rk_screen.c

   1
   2 #include <linux/rk_fb.h>
   3 #include "lcd.h"
   4 #if defined(CONFIG_RK_HDMI)
   5 #include "../hdmi/rk_hdmi.h"
   6 #endif
   7
   8
   9
  10
  11
  12
  13 // if we use one lcdc with jetta for dual display,we need these configration
  14 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) && defined(CONFIG_RK_HDMI)
  15 static int set_scaler_info(struct rk29fb_screen *screen, u8 hdmi_resolution)
  16 {
  17         #if defined(CONFIG_RK610_LVDS)
  18         screen->s_clk_inv = S_DCLK_POL;
  19         screen->s_den_inv = 0;
  20         screen->s_hv_sync_inv = 0;
  21         #endif
  22
  23         switch(hdmi_resolution)
  24         {
  25         case HDMI_1920x1080p_60Hz:
  26                 /* Scaler Timing    */
  27         #if defined(CONFIG_RK610_LVDS)
  28                 screen->hdmi_resolution = hdmi_resolution;
  29                 screen->s_pixclock = S_OUT_CLK;
  30                 screen->s_hsync_len = S_H_PW;
  31                 screen->s_left_margin = S_H_BP;
  32                 screen->s_right_margin = S_H_FP;
  33                 screen->s_hsync_len = S_H_PW;
  34                 screen->s_upper_margin = S_V_BP;
  35                 screen->s_lower_margin = S_V_FP;
  36                 screen->s_vsync_len = S_V_PW;
  37                 screen->s_hsync_st = S_H_ST;
  38                 screen->s_vsync_st = S_V_ST;
  39         #endif
  40
  41                 //bellow are for JettaB
  42         #if defined(CONFIG_RK616_LVDS)
  43                 screen->pll_cfg_val = S_PLL_CFG_VAL;
  44                 screen->frac        = S_FRAC;
  45                 screen->scl_vst     = S_SCL_VST;
  46                 screen->scl_hst     = S_SCL_HST;
  47                 screen->vif_vst     = S_VIF_VST;
  48                 screen->vif_hst     = S_VIF_HST;
  49         #endif
  50                 break;
  51         case HDMI_1920x1080p_50Hz:
  52                 /* Scaler Timing    */
  53         #if defined(CONFIG_RK610_LVDS)
  54                 screen->hdmi_resolution = hdmi_resolution;
  55                 screen->s_pixclock = S1_OUT_CLK;
  56                 screen->s_hsync_len = S1_H_PW;
  57                 screen->s_left_margin = S1_H_BP;
  58                 screen->s_right_margin = S1_H_FP;
  59                 screen->s_hsync_len = S1_H_PW;
  60                 screen->s_upper_margin = S1_V_BP;
  61                 screen->s_lower_margin = S1_V_FP;
  62                 screen->s_vsync_len = S1_V_PW;
  63                 screen->s_hsync_st = S1_H_ST;
  64                 screen->s_vsync_st = S1_V_ST;
  65         #endif
  66
  67         #if defined(CONFIG_RK616_LVDS)
  68                 screen->pll_cfg_val = S1_PLL_CFG_VAL;
  69                 screen->frac        = S1_FRAC;
  70                 screen->scl_vst     = S1_SCL_VST;
  71                 screen->scl_hst     = S1_SCL_HST;
  72                 screen->vif_vst     = S1_VIF_VST;
  73                 screen->vif_hst     = S1_VIF_HST;
  74         #endif
  75                 break;
  76         case HDMI_1280x720p_60Hz:
  77                 /* Scaler Timing    */
  78         #if defined(CONFIG_RK610_LVDS)
  79                 screen->hdmi_resolution = hdmi_resolution;
  80                 screen->s_pixclock = S2_OUT_CLK;
  81                 screen->s_hsync_len = S2_H_PW;
  82                 screen->s_left_margin = S2_H_BP;
  83                 screen->s_right_margin = S2_H_FP;
  84                 screen->s_hsync_len = S2_H_PW;
  85                 screen->s_upper_margin = S2_V_BP;
  86                 screen->s_lower_margin = S2_V_FP;
  87                 screen->s_vsync_len = S2_V_PW;
  88                 screen->s_hsync_st = S2_H_ST;
  89                 screen->s_vsync_st = S2_V_ST;
  90         #endif
  91
  92         #if defined(CONFIG_RK616_LVDS)
  93                 screen->pll_cfg_val = S2_PLL_CFG_VAL;
  94                 screen->frac        = S2_FRAC;
  95                 screen->scl_vst     = S2_SCL_VST;
  96                 screen->scl_hst     = S2_SCL_HST;
  97                 screen->vif_vst     = S2_VIF_VST;
  98                 screen->vif_hst     = S2_VIF_HST;
  99         #endif
 100                 break;
 101         case HDMI_1280x720p_50Hz:
 102                 /* Scaler Timing    */
 103         #if defined(CONFIG_RK610_LVDS)
 104                 screen->hdmi_resolution = hdmi_resolution;
 105                 screen->s_pixclock = S3_OUT_CLK;
 106                 screen->s_hsync_len = S3_H_PW;
 107                 screen->s_left_margin = S3_H_BP;
 108                 screen->s_right_margin = S3_H_FP;
 109                 screen->s_hsync_len = S3_H_PW;
 110                 screen->s_upper_margin = S3_V_BP;
 111                 screen->s_lower_margin = S3_V_FP;
 112                 screen->s_vsync_len = S3_V_PW;
 113                 screen->s_hsync_st = S3_H_ST;
 114                 screen->s_vsync_st = S3_V_ST;
 115         #endif
 116
 117         #if defined(CONFIG_RK616_LVDS)
 118                 screen->pll_cfg_val = S3_PLL_CFG_VAL;
 119                 screen->frac        = S3_FRAC;
 120                 screen->scl_vst     = S3_SCL_VST;
 121                 screen->scl_hst     = S3_SCL_HST;
 122                 screen->vif_vst     = S3_VIF_VST;
 123                 screen->vif_hst     = S3_VIF_HST;
 124         #endif
 125                 break;
 126         case HDMI_720x576p_50Hz_4_3:
 127         case HDMI_720x576p_50Hz_16_9:
 128                 /* Scaler Timing    */
 129         #if defined(CONFIG_RK610_LVDS)
 130                 screen->hdmi_resolution = hdmi_resolution;
 131                 screen->s_pixclock = S4_OUT_CLK;
 132                 screen->s_hsync_len = S4_H_PW;
 133                 screen->s_left_margin = S4_H_BP;
 134                 screen->s_right_margin = S4_H_FP;
 135                 screen->s_hsync_len = S4_H_PW;
 136                 screen->s_upper_margin = S4_V_BP;
 137                 screen->s_lower_margin = S4_V_FP;
 138                 screen->s_vsync_len = S4_V_PW;
 139                 screen->s_hsync_st = S4_H_ST;
 140                 screen->s_vsync_st = S4_V_ST;
 141         #endif
 142
 143         #if defined(CONFIG_RK616_LVDS)
 144                 screen->pll_cfg_val = S4_PLL_CFG_VAL;
 145                 screen->frac        = S4_FRAC;
 146                 screen->scl_vst     = S4_SCL_VST;
 147                 screen->scl_hst     = S4_SCL_HST;
 148                 screen->vif_vst     = S4_VIF_VST;
 149                 screen->vif_hst     = S4_VIF_HST;
 150         #endif
 151                 break;
 152
 153         case HDMI_720x480p_60Hz_16_9:
 154         case HDMI_720x480p_60Hz_4_3:
 155                 /* Scaler Timing    */
 156         #if defined(CONFIG_RK610_LVDS)
 157                 screen->hdmi_resolution = hdmi_resolution;
 158                 screen->s_pixclock = S5_OUT_CLK;
 159                 screen->s_hsync_len = S5_H_PW;
 160                 screen->s_left_margin = S5_H_BP;
 161                 screen->s_right_margin = S5_H_FP;
 162                 screen->s_hsync_len = S5_H_PW;
 163                 screen->s_upper_margin = S5_V_BP;
 164                 screen->s_lower_margin = S5_V_FP;
 165                 screen->s_vsync_len = S5_V_PW;
 166                 screen->s_hsync_st = S5_H_ST;
 167                 screen->s_vsync_st = S5_V_ST;
 168         #endif
 169
 170         #if defined(CONFIG_RK616_LVDS)
 171                 screen->pll_cfg_val = S5_PLL_CFG_VAL;
 172                 screen->frac        = S5_FRAC;
 173                 screen->scl_vst     = S5_SCL_VST;
 174                 screen->scl_hst     = S5_SCL_HST;
 175                 screen->vif_vst     = S5_VIF_VST;
 176                 screen->vif_hst     = S5_VIF_HST;
 177         #endif
 178                 break;
 179         default :
 180                 printk("%s lcd not support dual display at this hdmi resolution %d \n",__func__,hdmi_resolution);
 181                 return -1;
 182                 break;
 183         }
 184
 185         return 0;
 186 }
 187 #else
 188 #define set_scaler_info  NULL
 189 #endif
 190
 191 void set_lcd_info(struct rk29fb_screen *screen, struct rk29lcd_info *lcd_info )
 192 {
 193
 194 #if defined(RK_USE_SCREEN_ID)
 195         set_lcd_info_by_id(screen,lcd_info);
 196 #else
 197         screen->type = SCREEN_TYPE;
 198         screen->face = OUT_FACE;
 199         screen->lvds_format = LVDS_FORMAT;  //lvds data format
 200
 201
 202         screen->x_res = H_VD;           //screen resolution
 203         screen->y_res = V_VD;
 204
 205         screen->width = LCD_WIDTH;
 206         screen->height = LCD_HEIGHT;
 207
 208
 209         screen->lcdc_aclk = LCDC_ACLK; // Timing
 210         screen->pixclock = DCLK;
 211         screen->left_margin = H_BP;
 212         screen->right_margin = H_FP;
 213         screen->hsync_len = H_PW;
 214         screen->upper_margin = V_BP;
 215         screen->lower_margin = V_FP;
 216         screen->vsync_len = V_PW;
 217
 218
 219         screen->pin_hsync = HSYNC_POL; //Pin polarity
 220         screen->pin_vsync = VSYNC_POL;
 221         screen->pin_den = DEN_POL;
 222         screen->pin_dclk = DCLK_POL;
 223
 224
 225         screen->swap_rb = SWAP_RB; // Swap rule
 226         screen->swap_rg = SWAP_RG;
 227         screen->swap_gb = SWAP_GB;
 228         screen->swap_delta = 0;
 229         screen->swap_dumy = 0;
 230
 231 #if defined(CONFIG_MIPI_DSI)
 232        /* MIPI DSI */
 233 #if defined(MIPI_DSI_LANE)
 234     screen->dsi_lane = MIPI_DSI_LANE;
 235 #else
 236         screen->dsi_lane = 4;
 237 #endif
 238     //screen->dsi_video_mode = MIPI_DSI_VIDEO_MODE;
 239 #if defined(MIPI_DSI_HS_CLK)
 240     screen->hs_tx_clk = MIPI_DSI_HS_CLK;
 241 #else
 242     screen->hs_tx_clk = 1000000000;        //1GHz
 243 #endif
 244
 245 #endif
 246
 247
 248         /* Operation function*/
 249 #if defined(RK_SCREEN_INIT)  //some screen need to init by spi or i2c
 250         screen->init = rk_lcd_init;
 251         screen->standby = rk_lcd_standby;
 252         if(lcd_info)
 253                 gLcd_info = lcd_info;
 254 #endif
 255
 256 #if defined(USE_RK_DSP_LUT)
 257         screen->dsp_lut = dsp_lut;
 258 #endif
 259
 260 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
 261         screen->sscreen_get = set_scaler_info;
 262 #endif
 263
 264 #endif
 265
 266 }
 267
 268 size_t get_fb_size(void)
 269 {
 270         size_t size = 0;
 271         #if defined(CONFIG_THREE_FB_BUFFER)
 272                 size = ((H_VD)*(V_VD)<<2)* 3; //three buffer
 273         #else
 274                 size = ((H_VD)*(V_VD)<<2)<<1; //two buffer
 275         #endif
 276         return ALIGN(size,SZ_1M);
 277 }