drivers/video/s5p-fb.c

   1 /*
   2  * S5PC100 and S5PC110 LCD Controller driver.
   3  *
   4  * Author: InKi Dae <inki.dae@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  */
  21
  22 #include <config.h>
  23 #include <common.h>
  24 #include <version.h>
  25 #include <stdarg.h>
  26 #include <linux/types.h>
  27 #include <asm/io.h>
  28 #include <asm/arch/cpu.h>
  29 #include <lcd.h>
  30
  31 #include "s5p-fb.h"
  32 #include "logo.h"
  33 /*
  34 #include "logo_rgb24_wvga_portrait.h"
  35 #include "opening_logo_rgb24_143_44.h"
  36 */
  37
  38 extern void tl2796_panel_power_on(void);
  39 extern void tl2796_panel_enable(void);
  40 extern void tl2796_panel_init(void);
  41
  42 int lcd_line_length;
  43 int lcd_color_fg;
  44 int lcd_color_bg;
  45
  46 void *lcd_base;
  47 void *lcd_console_address;
  48
  49 short console_col;
  50 short console_row;
  51
  52 static unsigned int panel_width, panel_height;
  53
  54 static unsigned short makepixel565(char r, char g, char b)
  55 {
  56     return (unsigned short)(((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3));
  57 }
  58
  59 static unsigned int makepixel8888(char a, char r, char g, char b)
  60 {
  61         return (unsigned int)((a << 24) | (r << 16) | (g << 8)  | b);
  62 }
  63
  64 static void read_image16(char* pImg, int x1pos, int y1pos, int x2pos,
  65                 int y2pos, unsigned short pixel)
  66 {
  67         unsigned short *pDst = (unsigned short *)pImg;
  68         unsigned int offset_s;
  69         int i, j;
  70
  71         for(i = y1pos; i < y2pos; i++) {
  72                 for(j = x1pos; j < x2pos; j++) {
  73                         offset_s = i * panel_width + j;
  74                         *(pDst + offset_s) = pixel;
  75                 }
  76         }
  77 }
  78
  79 static void read_image32(char* pImg, int x1pos, int y1pos, int x2pos,
  80                 int y2pos, unsigned int pixel)
  81 {
  82         unsigned int *pDst = (unsigned int *)pImg;
  83         unsigned int offset_s;
  84         int i, j;
  85
  86         for (i = y1pos; i < y2pos; i++) {
  87                 for (j = x1pos; j < x2pos; j++) {
  88                         offset_s = i * panel_width + j;
  89                         *(pDst+offset_s) = pixel;
  90                 }
  91         }
  92 }
  93
  94 /* LCD Panel data */
  95 vidinfo_t panel_info = {
  96                 .vl_lbw         = 0,
  97                 .vl_splt        = 0,
  98                 .vl_clor        = 1,
  99                 .vl_tft         = 1,
 100 };
 101
 102 struct lcd_panel_operation {
 103         void (*lcd_panel_init)(void);
 104         void (*lcd_panel_power_on)(void);
 105         void (*lcd_panel_enable)(void);
 106 };
 107
 108 static struct lcd_panel_operation lcd_calls;
 109
 110 static void s5pc_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
 111 {
 112         unsigned long palette_size, palette_mem_size;
 113         unsigned int fb_size;
 114
 115         fb_size = vid->vl_row * vid->vl_col * (vid->vl_bpix >> 3);
 116
 117         lcd_base = lcdbase;
 118
 119         palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
 120         palette_mem_size = palette_size * sizeof(u32);
 121
 122         s5pc_fimd_lcd_init_mem((unsigned long)lcd_base, (unsigned long)fb_size, palette_size);
 123
 124         udebug("fb_size=%d, screen_base=%x, palette_size=%d, palettle_mem_size=%d\n",
 125                         fb_size, (unsigned int)lcd_base, (int)palette_size, (int)palette_mem_size);
 126 }
 127
 128 static void s5pc_gpio_setup(void)
 129 {
 130         if (cpu_is_s5pc100())
 131                 s5pc_c100_gpio_setup();
 132         else
 133                 s5pc_c110_gpio_setup();
 134 }
 135
 136 static void s5pc_lcd_init(vidinfo_t *vid)
 137 {
 138         s5pc_fimd_lcd_init(vid);
 139 }
 140
 141 static void lcd_test(void)
 142 {
 143         /* red */
 144         read_image32((char *)lcd_base, 0, 0, 480, 200,
 145                         makepixel8888(0, 255, 0, 0));
 146         /* green */
 147         read_image32((char *)lcd_base, 0, 200, 480, 400,
 148                         makepixel8888(0, 0, 255, 0));
 149         /* blue */
 150         read_image32((char *)lcd_base, 0, 400, 480, 600,
 151                         makepixel8888(0, 0, 0, 255));
 152         /* write */
 153         read_image32((char *)lcd_base, 0, 600, 480, 800,
 154                         makepixel8888(0, 255, 255, 255));
 155 }
 156
 157 int conv_rgb565_to_rgb888(unsigned short rgb565, unsigned int sw)
 158 {
 159         char red, green, blue;
 160         unsigned int threshold = 150;
 161
 162         red = (rgb565 & 0xF800) >> 11;
 163         green = (rgb565 & 0x7E0) >> 5;
 164         blue = (rgb565 & 0x1F);
 165
 166         red = red << 3;
 167         green = green << 2;
 168         blue = blue << 3;
 169
 170         /* correct error pixels of samsung logo. */
 171         if (sw) {
 172                 if (red > threshold)
 173                         red = 255;
 174                 if (green > threshold)
 175                         green = 255;
 176                 if (blue > threshold)
 177                         blue = 255;
 178         }
 179
 180         return (red << 16 | green << 8 | blue);
 181 }
 182
 183 void draw_bitmap(void *lcdbase, int x, int y, int w, int h, unsigned long *bmp)
 184 {
 185         int i, j;
 186         short k = 0;
 187         unsigned long *fb = (unsigned  long*)lcdbase;
 188
 189         for (j = y; j < (y + h); j++) {
 190                 for (i = x; i < (x + w); i++)
 191                         *(fb + (j * panel_width) + i) = *(bmp + k++);
 192         }
 193 }
 194
 195 void _draw_samsung_logo(void *lcdbase, int x, int y, int w, int h, unsigned short *bmp)
 196 {
 197         int i, j, error_range = 40;
 198         short k = 0;
 199         unsigned int pixel;
 200         unsigned long *fb = (unsigned  long*)lcdbase;
 201
 202         for (j = y; j < (y + h); j++) {
 203                 for (i = x; i < (x + w); i++) {
 204                         pixel = (*(bmp + k++));
 205
 206                         /* 40 lines under samsung logo image are error range. */
 207                         if (j > h + y - error_range)
 208                                 *(fb + (j * panel_width) + i) =
 209                                         conv_rgb565_to_rgb888(pixel, 1);
 210                         else
 211                                 *(fb + (j * panel_width) + i) =
 212                                         conv_rgb565_to_rgb888(pixel, 0);
 213                 }
 214         }
 215 }
 216
 217 static void draw_samsung_logo(void* lcdbase)
 218 {
 219         int x, y;
 220
 221         x = ((panel_width - 298) >> 1);
 222         y = ((panel_height - 78) >> 1) - 5;
 223
 224         _draw_samsung_logo(lcdbase, x, y, 298, 78, (unsigned short *) logo);
 225 }
 226
 227 static void s5pc_init_panel_info(vidinfo_t *vid, struct lcd_panel_operation *calls)
 228 {
 229         if (vid == NULL) {
 230                 printf("lcd info is NULL.\n");
 231                 return;
 232         }
 233
 234         if (calls == NULL) {
 235                 printf("lcd calls is NULL.\n");
 236                 return;
 237         }
 238 #if 1
 239         vid->vl_col     = 480,
 240         vid->vl_row     = 800,
 241         vid->vl_width   = 480,
 242         vid->vl_height  = 800,
 243         vid->vl_clkp    = CONFIG_SYS_HIGH,
 244         vid->vl_hsp     = CONFIG_SYS_LOW,
 245         vid->vl_vsp     = CONFIG_SYS_LOW,
 246         vid->vl_dp      = CONFIG_SYS_HIGH,
 247         vid->vl_bpix    = 32,
 248
 249         /* S6E63M0 LCD Panel */
 250         vid->vl_hpw     = 2,    /* HLW */
 251         vid->vl_blw     = 16,   /* HBP */
 252         vid->vl_elw     = 16,   /* HFP */
 253
 254         vid->vl_vpw     = 2,    /* VLW */
 255         vid->vl_bfw     = 3,    /* VBP */
 256         vid->vl_efw     = 28,   /* VFP */
 257
 258         calls->lcd_panel_init = s6e63m0_lcd_panel_init;
 259         calls->lcd_panel_power_on = s6e63m0_lcd_panel_power_on;
 260         calls->lcd_panel_enable = s6e63m0_lcd_panel_enable;
 261 #endif
 262 #if 0
 263         vid->vl_col     = 480,
 264         vid->vl_row     = 800,
 265         vid->vl_width   = 480,
 266         vid->vl_height  = 800,
 267         vid->vl_clkp    = CONFIG_SYS_HIGH,
 268         vid->vl_hsp     = CONFIG_SYS_LOW,
 269         vid->vl_vsp     = CONFIG_SYS_LOW,
 270         vid->vl_dp      = CONFIG_SYS_HIGH,
 271         vid->vl_bpix    = 32,
 272
 273         /* tl2796 panel. */
 274         vid->vl_hpw     = 4,
 275         vid->vl_blw     = 8,
 276         vid->vl_elw     = 8,
 277
 278         vid->vl_vpw     = 4,
 279         vid->vl_bfw     = 8,
 280         vid->vl_efw     = 8,
 281
 282         calls->lcd_panel_init = /* */;
 283         calls->lcd_panel_power_on = /* */;
 284         calls->lcd_panel_enable = /* */;
 285 #endif
 286 #if 0
 287         vid->vl_col     = 1024,
 288         vid->vl_row     = 600,
 289         vid->vl_width   = 1024,
 290         vid->vl_height  = 600,
 291         vid->vl_clkp    = CONFIG_SYS_HIGH,
 292         vid->vl_hsp     = CONFIG_SYS_HIGH,
 293         vid->vl_vsp     = CONFIG_SYS_HIGH,
 294         vid->vl_dp      = CONFIG_SYS_LOW,
 295         vid->vl_bpix    = 32,
 296
 297         /* AMS701KA AMOLED Panel. */
 298         vid->vl_hpw     = 30,
 299         vid->vl_blw     = 114,
 300         vid->vl_elw     = 48,
 301
 302         vid->vl_vpw     = 2,
 303         vid->vl_bfw     = 6,
 304         vid->vl_efw     = 8,
 305
 306         calls->lcd_panel_init = /* */;
 307         calls->lcd_panel_power_on = /* */;
 308         calls->lcd_panel_enable = /* */;
 309 #endif
 310
 311         panel_width = vid->vl_col;
 312         panel_height = vid->vl_row;
 313 }
 314
 315 static void lcd_panel_on(struct lcd_panel_operation *calls)
 316 {
 317         if (calls == NULL) {
 318                 printf("lcd calls is NULL.\n");
 319                 return ;
 320         }
 321
 322         if (calls->lcd_panel_init)
 323                 calls->lcd_panel_init();
 324         if (calls->lcd_panel_power_on)
 325                 calls->lcd_panel_power_on();
 326         if (calls->lcd_panel_enable)
 327                 calls->lcd_panel_enable();
 328 }
 329
 330 void lcd_ctrl_init(void *lcdbase)
 331 {
 332         char *option;
 333
 334         s5pc_lcd_init_mem(lcdbase, &panel_info);
 335
 336         /* initialize parameters which is specific to panel. */
 337         s5pc_init_panel_info(&panel_info, &lcd_calls);
 338
 339         option = getenv("lcd");
 340
 341         /*
 342         if (strcmp(option, "test") == 0) {
 343                 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 344                 lcd_test();
 345         } else if (strcmp(option, "image") == 0)
 346                 memcpy(lcdbase, LOGO_RGB24, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 347         else {
 348                 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 349                 draw_samsung_logo(lcdbase);
 350         }
 351         */
 352
 353         memset(lcdbase, 0, panel_width * panel_height * (32 >> 3));
 354         draw_samsung_logo(lcdbase);
 355
 356         s5pc_gpio_setup();
 357
 358         s5pc_lcd_init(&panel_info);
 359
 360         /* font test */
 361         /*
 362         init_font();
 363         set_font_color(FONT_WHITE);
 364         fb_printf("Test\n");
 365         exit_font();
 366         */
 367 }
 368
 369
 370 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blud)
 371 {
 372         return;
 373 }
 374
 375 void lcd_enable(void)
 376 {
 377         lcd_panel_on((struct lcd_panel_operation *) &lcd_calls);
 378 }
 379
 380 ulong calc_fbsize(void)
 381 {
 382         return s5pc_fimd_calc_fbsize();
 383 }
 384
 385 void s5pc1xxfb_test(void *lcdbase)
 386 {
 387         lcd_ctrl_init(lcdbase);
 388         lcd_enable();
 389 }