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
  97 struct lcd_panel_operation {
  98         void (*lcd_panel_init)(void);
  99         void (*lcd_panel_power_on)(void);
 100         void (*lcd_panel_enable)(void);
 101 };
 102
 103 static struct lcd_panel_operation lcd_calls;
 104
 105 static void s5pc_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
 106 {
 107         unsigned long palette_size, palette_mem_size;
 108         unsigned int fb_size;
 109
 110         fb_size = vid->vl_row * vid->vl_col * (vid->vl_bpix >> 3);
 111
 112         lcd_base = lcdbase;
 113
 114         palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
 115         palette_mem_size = palette_size * sizeof(u32);
 116
 117         s5pc_fimd_lcd_init_mem((unsigned long)lcd_base, (unsigned long)fb_size, palette_size);
 118
 119         udebug("fb_size=%d, screen_base=%x, palette_size=%d, palettle_mem_size=%d\n",
 120                         fb_size, (unsigned int)lcd_base, (int)palette_size, (int)palette_mem_size);
 121 }
 122
 123 static void s5pc_gpio_setup(void)
 124 {
 125         if (cpu_is_s5pc100())
 126                 s5pc_c100_gpio_setup();
 127         else
 128                 s5pc_c110_gpio_setup();
 129 }
 130
 131 static void s5pc_lcd_init(vidinfo_t *vid)
 132 {
 133         s5pc_fimd_lcd_init(vid);
 134 }
 135
 136 static void lcd_test(void)
 137 {
 138         /* red */
 139         read_image32((char *)lcd_base, 0, 0, 480, 200,
 140                         makepixel8888(0, 255, 0, 0));
 141         /* green */
 142         read_image32((char *)lcd_base, 0, 200, 480, 400,
 143                         makepixel8888(0, 0, 255, 0));
 144         /* blue */
 145         read_image32((char *)lcd_base, 0, 400, 480, 600,
 146                         makepixel8888(0, 0, 0, 255));
 147         /* write */
 148         read_image32((char *)lcd_base, 0, 600, 480, 800,
 149                         makepixel8888(0, 255, 255, 255));
 150 }
 151
 152 int conv_rgb565_to_rgb888(unsigned short rgb565, unsigned int sw)
 153 {
 154         char red, green, blue;
 155         unsigned int threshold = 150;
 156
 157         red = (rgb565 & 0xF800) >> 11;
 158         green = (rgb565 & 0x7E0) >> 5;
 159         blue = (rgb565 & 0x1F);
 160
 161         red = red << 3;
 162         green = green << 2;
 163         blue = blue << 3;
 164
 165         /* correct error pixels of samsung logo. */
 166         if (sw) {
 167                 if (red > threshold)
 168                         red = 255;
 169                 if (green > threshold)
 170                         green = 255;
 171                 if (blue > threshold)
 172                         blue = 255;
 173         }
 174
 175         return (red << 16 | green << 8 | blue);
 176 }
 177
 178 void draw_bitmap(void *lcdbase, int x, int y, int w, int h, unsigned long *bmp)
 179 {
 180         int i, j;
 181         short k = 0;
 182         unsigned long *fb = (unsigned  long*)lcdbase;
 183
 184         for (j = y; j < (y + h); j++) {
 185                 for (i = x; i < (x + w); i++)
 186                         *(fb + (j * panel_width) + i) = *(bmp + k++);
 187         }
 188 }
 189
 190 void _draw_samsung_logo(void *lcdbase, int x, int y, int w, int h, unsigned short *bmp)
 191 {
 192         int i, j, error_range = 40;
 193         short k = 0;
 194         unsigned int pixel;
 195         unsigned long *fb = (unsigned  long*)lcdbase;
 196
 197         for (j = y; j < (y + h); j++) {
 198                 for (i = x; i < (x + w); i++) {
 199                         pixel = (*(bmp + k++));
 200
 201                         /* 40 lines under samsung logo image are error range. */
 202                         if (j > h + y - error_range)
 203                                 *(fb + (j * panel_width) + i) =
 204                                         conv_rgb565_to_rgb888(pixel, 1);
 205                         else
 206                                 *(fb + (j * panel_width) + i) =
 207                                         conv_rgb565_to_rgb888(pixel, 0);
 208                 }
 209         }
 210 }
 211
 212 static void draw_samsung_logo(void* lcdbase)
 213 {
 214         int x, y;
 215
 216         x = ((panel_width - 298) >> 1);
 217         y = ((panel_height - 78) >> 1) - 5;
 218
 219         _draw_samsung_logo(lcdbase, x, y, 298, 78, (unsigned short *) logo);
 220 }
 221
 222 static void s5pc_init_panel_info(vidinfo_t *vid, struct lcd_panel_operation *calls)
 223 {
 224         if (vid == NULL) {
 225                 printf("lcd info is NULL.\n");
 226                 return;
 227         }
 228
 229         if (calls == NULL) {
 230                 printf("lcd calls is NULL.\n");
 231                 return;
 232         }
 233 #if 1
 234         vid->vl_freq    = 60;
 235         vid->vl_col     = 480,
 236         vid->vl_row     = 800,
 237         vid->vl_width   = 480,
 238         vid->vl_height  = 800,
 239         vid->vl_clkp    = CONFIG_SYS_HIGH,
 240         vid->vl_hsp     = CONFIG_SYS_LOW,
 241         vid->vl_vsp     = CONFIG_SYS_LOW,
 242         vid->vl_dp      = CONFIG_SYS_HIGH,
 243         vid->vl_bpix    = 32,
 244
 245         /* S6E63M0 LCD Panel */
 246         vid->vl_hpw     = 2,    /* HLW */
 247         vid->vl_blw     = 16,   /* HBP */
 248         vid->vl_elw     = 16,   /* HFP */
 249
 250         vid->vl_vpw     = 2,    /* VLW */
 251         vid->vl_bfw     = 3,    /* VBP */
 252         vid->vl_efw     = 28,   /* VFP */
 253
 254         calls->lcd_panel_init = s6e63m0_lcd_panel_init;
 255         calls->lcd_panel_power_on = s6e63m0_lcd_panel_power_on;
 256         calls->lcd_panel_enable = s6e63m0_lcd_panel_enable;
 257 #endif
 258 #if 0
 259         vid->vl_freq    = 60;
 260         vid->vl_col     = 480,
 261         vid->vl_row     = 800,
 262         vid->vl_width   = 480,
 263         vid->vl_height  = 800,
 264         vid->vl_clkp    = CONFIG_SYS_HIGH,
 265         vid->vl_hsp     = CONFIG_SYS_LOW,
 266         vid->vl_vsp     = CONFIG_SYS_LOW,
 267         vid->vl_dp      = CONFIG_SYS_HIGH,
 268         vid->vl_bpix    = 32,
 269
 270         /* tl2796 panel. */
 271         vid->vl_hpw     = 4,
 272         vid->vl_blw     = 8,
 273         vid->vl_elw     = 8,
 274
 275         vid->vl_vpw     = 4,
 276         vid->vl_bfw     = 8,
 277         vid->vl_efw     = 8,
 278
 279         calls->lcd_panel_init = /* */;
 280         calls->lcd_panel_power_on = /* */;
 281         calls->lcd_panel_enable = /* */;
 282 #endif
 283 #if 0
 284         vid->vl_freq    = 60;
 285         vid->vl_col     = 1024,
 286         vid->vl_row     = 600,
 287         vid->vl_width   = 1024,
 288         vid->vl_height  = 600,
 289         vid->vl_clkp    = CONFIG_SYS_HIGH,
 290         vid->vl_hsp     = CONFIG_SYS_HIGH,
 291         vid->vl_vsp     = CONFIG_SYS_HIGH,
 292         vid->vl_dp      = CONFIG_SYS_LOW,
 293         vid->vl_bpix    = 32,
 294
 295         /* AMS701KA AMOLED Panel. */
 296         vid->vl_hpw     = 30,
 297         vid->vl_blw     = 114,
 298         vid->vl_elw     = 48,
 299
 300         vid->vl_vpw     = 2,
 301         vid->vl_bfw     = 6,
 302         vid->vl_efw     = 8,
 303
 304         calls->lcd_panel_init = ams701ka_lcd_panel_init;
 305         calls->lcd_panel_power_on = ams701ka_lcd_panel_power_on;
 306         calls->lcd_panel_enable = ams701ka_lcd_panel_enable;
 307 #endif
 308
 309         panel_width = vid->vl_col;
 310         panel_height = vid->vl_row;
 311 }
 312
 313 static void lcd_panel_on(struct lcd_panel_operation *calls)
 314 {
 315         if (calls == NULL) {
 316                 printf("lcd calls is NULL.\n");
 317                 return ;
 318         }
 319
 320         if (calls->lcd_panel_init)
 321                 calls->lcd_panel_init();
 322         if (calls->lcd_panel_power_on)
 323                 calls->lcd_panel_power_on();
 324         if (calls->lcd_panel_enable)
 325                 calls->lcd_panel_enable();
 326 }
 327
 328 void lcd_ctrl_init(void *lcdbase)
 329 {
 330         char *option;
 331
 332         s5pc_lcd_init_mem(lcdbase, &panel_info);
 333
 334         /* initialize parameters which is specific to panel. */
 335         s5pc_init_panel_info(&panel_info, &lcd_calls);
 336
 337         option = getenv("lcd");
 338
 339         /*
 340         if (strcmp(option, "test") == 0) {
 341                 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 342                 lcd_test();
 343         } else if (strcmp(option, "image") == 0)
 344                 memcpy(lcdbase, LOGO_RGB24, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 345         else {
 346                 memset(lcdbase, 0, PANEL_WIDTH*PANEL_HEIGHT*S5P_LCD_BPP >> 3);
 347                 draw_samsung_logo(lcdbase);
 348         }
 349         */
 350
 351         memset(lcdbase, 0, panel_width * panel_height * (32 >> 3));
 352         draw_samsung_logo(lcdbase);
 353
 354         s5pc_gpio_setup();
 355
 356         s5pc_lcd_init(&panel_info);
 357
 358         /* font test */
 359         /*
 360         init_font();
 361         set_font_color(FONT_WHITE);
 362         fb_printf("Test\n");
 363         exit_font();
 364         */
 365 }
 366
 367
 368 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blud)
 369 {
 370         return;
 371 }
 372
 373 void lcd_enable(void)
 374 {
 375         lcd_panel_on((struct lcd_panel_operation *) &lcd_calls);
 376 }
 377
 378 ulong calc_fbsize(void)
 379 {
 380         return s5pc_fimd_calc_fbsize();
 381 }
 382
 383 void s5pc1xxfb_test(void *lcdbase)
 384 {
 385         lcd_ctrl_init(lcdbase);
 386         lcd_enable();
 387 }