]>
Commit | Line | Data |
---|---|---|
8655b6f8 | 1 | /* |
c8d2febc | 2 | * Common LCD routines |
8655b6f8 WD |
3 | * |
4 | * (C) Copyright 2001-2002 | |
5 | * Wolfgang Denk, DENX Software Engineering -- wd@denx.de | |
6 | * | |
3765b3e7 | 7 | * SPDX-License-Identifier: GPL-2.0+ |
8655b6f8 WD |
8 | */ |
9 | ||
8655b6f8 | 10 | /* #define DEBUG */ |
8655b6f8 WD |
11 | #include <config.h> |
12 | #include <common.h> | |
13 | #include <command.h> | |
c0880485 | 14 | #include <env_callback.h> |
8655b6f8 | 15 | #include <linux/types.h> |
52cb4d4f | 16 | #include <stdio_dev.h> |
8655b6f8 | 17 | #include <lcd.h> |
0eb25b61 | 18 | #include <mapmem.h> |
8b0bfc68 | 19 | #include <watchdog.h> |
dca2a1c1 | 20 | #include <asm/unaligned.h> |
dd4425e8 | 21 | #include <splash.h> |
7d95f2a3 SG |
22 | #include <asm/io.h> |
23 | #include <asm/unaligned.h> | |
c8d2febc | 24 | #include <video_font.h> |
dd4425e8 | 25 | |
88804d19 | 26 | #ifdef CONFIG_LCD_LOGO |
c8d2febc NK |
27 | #include <bmp_logo.h> |
28 | #include <bmp_logo_data.h> | |
29 | #if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) | |
30 | #error Default Color Map overlaps with Logo Color Map | |
31 | #endif | |
88804d19 | 32 | #endif |
8655b6f8 | 33 | |
7d95f2a3 SG |
34 | #ifdef CONFIG_SANDBOX |
35 | #include <asm/sdl.h> | |
36 | #endif | |
37 | ||
676d319e SG |
38 | #ifndef CONFIG_LCD_ALIGNMENT |
39 | #define CONFIG_LCD_ALIGNMENT PAGE_SIZE | |
40 | #endif | |
41 | ||
a7de2953 NK |
42 | #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
43 | (LCD_BPP != LCD_COLOR32) | |
c8d2febc | 44 | #error Unsupported LCD BPP. |
a5796c51 JH |
45 | #endif |
46 | ||
d87080b7 | 47 | DECLARE_GLOBAL_DATA_PTR; |
8655b6f8 | 48 | |
8f47d917 | 49 | static int lcd_init(void *lcdbase); |
7bf71d1f | 50 | static void lcd_logo(void); |
8f47d917 NK |
51 | static void lcd_setfgcolor(int color); |
52 | static void lcd_setbgcolor(int color); | |
8655b6f8 | 53 | |
46d1d5dd WD |
54 | static int lcd_color_fg; |
55 | static int lcd_color_bg; | |
f1d205a1 | 56 | int lcd_line_length; |
8655b6f8 | 57 | char lcd_is_enabled = 0; |
00a0ca59 | 58 | static void *lcd_base; /* Start of framebuffer memory */ |
9a8efc46 | 59 | static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
8655b6f8 | 60 | |
9a8efc46 SG |
61 | /* Flush LCD activity to the caches */ |
62 | void lcd_sync(void) | |
63 | { | |
64 | /* | |
65 | * flush_dcache_range() is declared in common.h but it seems that some | |
66 | * architectures do not actually implement it. Is there a way to find | |
67 | * out whether it exists? For now, ARM is safe. | |
68 | */ | |
69 | #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) | |
70 | int line_length; | |
71 | ||
72 | if (lcd_flush_dcache) | |
73 | flush_dcache_range((u32)lcd_base, | |
74 | (u32)(lcd_base + lcd_get_size(&line_length))); | |
7d95f2a3 SG |
75 | #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) |
76 | static ulong last_sync; | |
77 | ||
78 | if (get_timer(last_sync) > 10) { | |
79 | sandbox_sdl_sync(lcd_base); | |
80 | last_sync = get_timer(0); | |
81 | } | |
9a8efc46 SG |
82 | #endif |
83 | } | |
84 | ||
85 | void lcd_set_flush_dcache(int flush) | |
86 | { | |
87 | lcd_flush_dcache = (flush != 0); | |
88 | } | |
89 | ||
709ea543 SG |
90 | static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
91 | { | |
92 | lcd_putc(c); | |
93 | } | |
94 | ||
709ea543 SG |
95 | static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
96 | { | |
97 | lcd_puts(s); | |
98 | } | |
99 | ||
c8d2febc | 100 | /* Small utility to check that you got the colours right */ |
8655b6f8 WD |
101 | #ifdef LCD_TEST_PATTERN |
102 | ||
103 | #define N_BLK_VERT 2 | |
104 | #define N_BLK_HOR 3 | |
105 | ||
6b035141 | 106 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
8655b6f8 WD |
107 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
108 | CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, | |
109 | }; | |
110 | ||
8f47d917 | 111 | static void test_pattern(void) |
8655b6f8 WD |
112 | { |
113 | ushort v_max = panel_info.vl_row; | |
114 | ushort h_max = panel_info.vl_col; | |
115 | ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; | |
116 | ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; | |
117 | ushort v, h; | |
118 | uchar *pix = (uchar *)lcd_base; | |
119 | ||
8f47d917 | 120 | printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
8655b6f8 WD |
121 | h_max, v_max, h_step, v_step); |
122 | ||
123 | /* WARNING: Code silently assumes 8bit/pixel */ | |
8f47d917 | 124 | for (v = 0; v < v_max; ++v) { |
8655b6f8 | 125 | uchar iy = v / v_step; |
8f47d917 | 126 | for (h = 0; h < h_max; ++h) { |
6b035141 | 127 | uchar ix = N_BLK_HOR * iy + h / h_step; |
8655b6f8 WD |
128 | *pix++ = test_colors[ix]; |
129 | } | |
130 | } | |
131 | } | |
132 | #endif /* LCD_TEST_PATTERN */ | |
133 | ||
cefa4717 AG |
134 | /* |
135 | * With most lcd drivers the line length is set up | |
136 | * by calculating it from panel_info parameters. Some | |
137 | * drivers need to calculate the line length differently, | |
138 | * so make the function weak to allow overriding it. | |
139 | */ | |
140 | __weak int lcd_get_size(int *line_length) | |
676d319e SG |
141 | { |
142 | *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; | |
143 | return *line_length * panel_info.vl_row; | |
144 | } | |
145 | ||
6b035141 | 146 | int drv_lcd_init(void) |
8655b6f8 | 147 | { |
52cb4d4f | 148 | struct stdio_dev lcddev; |
8655b6f8 WD |
149 | int rc; |
150 | ||
7d95f2a3 | 151 | lcd_base = map_sysmem(gd->fb_base, 0); |
8655b6f8 | 152 | |
c8d2febc | 153 | lcd_init(lcd_base); |
8655b6f8 WD |
154 | |
155 | /* Device initialization */ | |
8f47d917 | 156 | memset(&lcddev, 0, sizeof(lcddev)); |
8655b6f8 | 157 | |
8f47d917 | 158 | strcpy(lcddev.name, "lcd"); |
8655b6f8 WD |
159 | lcddev.ext = 0; /* No extensions */ |
160 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
709ea543 SG |
161 | lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
162 | lcddev.puts = lcd_stub_puts; /* 'puts' function */ | |
8655b6f8 | 163 | |
6b035141 | 164 | rc = stdio_register(&lcddev); |
8655b6f8 WD |
165 | |
166 | return (rc == 0) ? 1 : rc; | |
167 | } | |
168 | ||
02110903 | 169 | void lcd_clear(void) |
8655b6f8 | 170 | { |
4d03634e | 171 | int bg_color; |
7bf71d1f NK |
172 | char *s; |
173 | ulong addr; | |
174 | static int do_splash = 1; | |
f4469f50 | 175 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 176 | /* Setting the palette */ |
8f47d917 NK |
177 | lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
178 | lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
179 | lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
180 | lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
181 | lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
182 | lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
183 | lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
184 | lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
185 | lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
8655b6f8 WD |
186 | #endif |
187 | ||
6d0f6bcf | 188 | #ifndef CONFIG_SYS_WHITE_ON_BLACK |
8f47d917 NK |
189 | lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
190 | lcd_setbgcolor(CONSOLE_COLOR_WHITE); | |
4d03634e | 191 | bg_color = CONSOLE_COLOR_WHITE; |
8655b6f8 | 192 | #else |
8f47d917 NK |
193 | lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
194 | lcd_setbgcolor(CONSOLE_COLOR_BLACK); | |
4d03634e | 195 | bg_color = CONSOLE_COLOR_BLACK; |
6d0f6bcf | 196 | #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
8655b6f8 WD |
197 | |
198 | #ifdef LCD_TEST_PATTERN | |
199 | test_pattern(); | |
200 | #else | |
201 | /* set framebuffer to background color */ | |
57d76a89 | 202 | #if (LCD_BPP != LCD_COLOR32) |
4d03634e | 203 | memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
57d76a89 HP |
204 | #else |
205 | u32 *ppix = lcd_base; | |
206 | u32 i; | |
207 | for (i = 0; | |
208 | i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); | |
209 | i++) { | |
4d03634e | 210 | *ppix++ = bg_color; |
57d76a89 HP |
211 | } |
212 | #endif | |
8655b6f8 | 213 | #endif |
604c7d4a HP |
214 | /* setup text-console */ |
215 | debug("[LCD] setting up console...\n"); | |
216 | lcd_init_console(lcd_base, | |
217 | panel_info.vl_col, | |
218 | panel_info.vl_row, | |
219 | panel_info.vl_rot); | |
8655b6f8 | 220 | /* Paint the logo and retrieve LCD base address */ |
8f47d917 | 221 | debug("[LCD] Drawing the logo...\n"); |
7bf71d1f NK |
222 | if (do_splash) { |
223 | s = getenv("splashimage"); | |
224 | if (s) { | |
225 | do_splash = 0; | |
226 | addr = simple_strtoul(s, NULL, 16); | |
227 | if (lcd_splash(addr) == 0) { | |
228 | lcd_sync(); | |
229 | return; | |
230 | } | |
231 | } | |
232 | } | |
233 | ||
234 | lcd_logo(); | |
235 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) | |
236 | addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; | |
604c7d4a HP |
237 | lcd_init_console((void *)addr, panel_info.vl_row, |
238 | panel_info.vl_col, panel_info.vl_rot); | |
7bf71d1f | 239 | #endif |
9a8efc46 SG |
240 | lcd_sync(); |
241 | } | |
242 | ||
243 | static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, | |
244 | char *const argv[]) | |
245 | { | |
246 | lcd_clear(); | |
247 | return 0; | |
8655b6f8 | 248 | } |
c8d2febc | 249 | U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); |
8655b6f8 | 250 | |
8f47d917 | 251 | static int lcd_init(void *lcdbase) |
8655b6f8 | 252 | { |
8f47d917 | 253 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8f47d917 | 254 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
255 | |
256 | /* | |
9316e144 | 257 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
258 | * the 'lcdbase' argument and uses custom lcd base address |
259 | * by setting up gd->fb_base. Check for this condition and fixup | |
260 | * 'lcd_base' address. | |
261 | */ | |
7d95f2a3 SG |
262 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
263 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
264 | |
265 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
266 | ||
6d330719 | 267 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 268 | lcd_is_enabled = 1; |
02110903 | 269 | lcd_clear(); |
6b035141 | 270 | lcd_enable(); |
8655b6f8 WD |
271 | |
272 | /* Initialize the console */ | |
140beb94 | 273 | lcd_set_col(0); |
88804d19 | 274 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 275 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 276 | #else |
140beb94 | 277 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 278 | #endif |
8655b6f8 WD |
279 | |
280 | return 0; | |
281 | } | |
282 | ||
8655b6f8 WD |
283 | /* |
284 | * This is called early in the system initialization to grab memory | |
285 | * for the LCD controller. | |
286 | * Returns new address for monitor, after reserving LCD buffer memory | |
287 | * | |
288 | * Note that this is running from ROM, so no write access to global data. | |
289 | */ | |
8f47d917 | 290 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
291 | { |
292 | ulong size; | |
676d319e | 293 | int line_length; |
8655b6f8 | 294 | |
8f47d917 NK |
295 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
296 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 297 | |
676d319e | 298 | size = lcd_get_size(&line_length); |
8655b6f8 | 299 | |
676d319e SG |
300 | /* Round up to nearest full page, or MMU section if defined */ |
301 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
302 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
303 | |
304 | /* Allocate pages for the frame buffer. */ | |
305 | addr -= size; | |
306 | ||
6b035141 JH |
307 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
308 | size >> 10, addr); | |
8655b6f8 | 309 | |
8f47d917 | 310 | return addr; |
8655b6f8 WD |
311 | } |
312 | ||
8f47d917 | 313 | static void lcd_setfgcolor(int color) |
8655b6f8 | 314 | { |
39cf4804 | 315 | lcd_color_fg = color; |
8655b6f8 WD |
316 | } |
317 | ||
4d03634e NK |
318 | int lcd_getfgcolor(void) |
319 | { | |
320 | return lcd_color_fg; | |
321 | } | |
322 | ||
8f47d917 | 323 | static void lcd_setbgcolor(int color) |
8655b6f8 | 324 | { |
39cf4804 | 325 | lcd_color_bg = color; |
8655b6f8 WD |
326 | } |
327 | ||
4d03634e NK |
328 | int lcd_getbgcolor(void) |
329 | { | |
330 | return lcd_color_bg; | |
331 | } | |
332 | ||
8655b6f8 | 333 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
334 | __weak void lcd_logo_set_cmap(void) |
335 | { | |
2306457c NK |
336 | int i; |
337 | ushort *cmap = configuration_get_cmap(); | |
338 | ||
339 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
340 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
341 | } |
342 | ||
bf21a5de | 343 | void lcd_logo_plot(int x, int y) |
8655b6f8 | 344 | { |
8655b6f8 | 345 | ushort i, j; |
c8d2febc | 346 | uchar *bmap = &bmp_logo_bitmap[0]; |
317461c1 | 347 | unsigned bpix = NBITS(panel_info.vl_bpix); |
c8d2febc NK |
348 | uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
349 | ushort *fb16; | |
8655b6f8 | 350 | |
2306457c NK |
351 | debug("Logo: width %d height %d colors %d\n", |
352 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 | 353 | |
317461c1 | 354 | if (bpix < 12) { |
8655b6f8 | 355 | WATCHDOG_RESET(); |
a02e9481 | 356 | lcd_logo_set_cmap(); |
8655b6f8 WD |
357 | WATCHDOG_RESET(); |
358 | ||
8f47d917 NK |
359 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
360 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 361 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 362 | fb += panel_info.vl_col; |
8655b6f8 WD |
363 | } |
364 | } | |
365 | else { /* true color mode */ | |
acb13868 | 366 | u16 col16; |
317461c1 | 367 | fb16 = (ushort *)fb; |
8f47d917 NK |
368 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
369 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
370 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
371 | fb16[j] = | |
372 | ((col16 & 0x000F) << 1) | | |
373 | ((col16 & 0x00F0) << 3) | | |
374 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
375 | } |
376 | bmap += BMP_LOGO_WIDTH; | |
377 | fb16 += panel_info.vl_col; | |
378 | } | |
379 | } | |
380 | ||
381 | WATCHDOG_RESET(); | |
9a8efc46 | 382 | lcd_sync(); |
8655b6f8 | 383 | } |
2b5cb3d3 | 384 | #else |
bf21a5de | 385 | static inline void lcd_logo_plot(int x, int y) {} |
8655b6f8 WD |
386 | #endif /* CONFIG_LCD_LOGO */ |
387 | ||
c3517f91 | 388 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
1ca298ce MW |
389 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
390 | #define BMP_ALIGN_CENTER 0x7FFF | |
7c7e280a NK |
391 | |
392 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
393 | unsigned long picture_size) | |
394 | { | |
395 | unsigned long panel_picture_delta = panel_size - picture_size; | |
396 | unsigned long axis_alignment; | |
397 | ||
398 | if (*axis == BMP_ALIGN_CENTER) | |
399 | axis_alignment = panel_picture_delta / 2; | |
400 | else if (*axis < 0) | |
401 | axis_alignment = panel_picture_delta + *axis + 1; | |
402 | else | |
403 | return; | |
404 | ||
b4141195 | 405 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 406 | } |
1ca298ce MW |
407 | #endif |
408 | ||
45d7f525 | 409 | #ifdef CONFIG_LCD_BMP_RLE8 |
45d7f525 TWHT |
410 | #define BMP_RLE8_ESCAPE 0 |
411 | #define BMP_RLE8_EOL 0 | |
412 | #define BMP_RLE8_EOBMP 1 | |
413 | #define BMP_RLE8_DELTA 2 | |
414 | ||
415 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
416 | int cnt) | |
417 | { | |
418 | while (cnt > 0) { | |
419 | *(*fbp)++ = cmap[*bmap++]; | |
420 | cnt--; | |
421 | } | |
422 | } | |
423 | ||
424 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
425 | { | |
426 | ushort *fb = *fbp; | |
427 | int cnt_8copy = cnt >> 3; | |
428 | ||
429 | cnt -= cnt_8copy << 3; | |
430 | while (cnt_8copy > 0) { | |
431 | *fb++ = c; | |
432 | *fb++ = c; | |
433 | *fb++ = c; | |
434 | *fb++ = c; | |
435 | *fb++ = c; | |
436 | *fb++ = c; | |
437 | *fb++ = c; | |
438 | *fb++ = c; | |
439 | cnt_8copy--; | |
440 | } | |
441 | while (cnt > 0) { | |
442 | *fb++ = c; | |
443 | cnt--; | |
444 | } | |
6b035141 | 445 | *fbp = fb; |
45d7f525 TWHT |
446 | } |
447 | ||
448 | /* | |
6b035141 | 449 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 | 450 | */ |
1c3dbe56 SG |
451 | static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, |
452 | uchar *fb, int x_off, int y_off) | |
45d7f525 TWHT |
453 | { |
454 | uchar *bmap; | |
455 | ulong width, height; | |
456 | ulong cnt, runlen; | |
457 | int x, y; | |
458 | int decode = 1; | |
459 | ||
dca2a1c1 PM |
460 | width = get_unaligned_le32(&bmp->header.width); |
461 | height = get_unaligned_le32(&bmp->header.height); | |
462 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
463 | |
464 | x = 0; | |
465 | y = height - 1; | |
466 | ||
467 | while (decode) { | |
468 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
469 | switch (bmap[1]) { | |
470 | case BMP_RLE8_EOL: | |
471 | /* end of line */ | |
472 | bmap += 2; | |
473 | x = 0; | |
474 | y--; | |
475 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
476 | fb -= (width * 2 + lcd_line_length); | |
477 | break; | |
478 | case BMP_RLE8_EOBMP: | |
479 | /* end of bitmap */ | |
480 | decode = 0; | |
481 | break; | |
482 | case BMP_RLE8_DELTA: | |
483 | /* delta run */ | |
484 | x += bmap[2]; | |
485 | y -= bmap[3]; | |
486 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
487 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
488 | * lcd_line_length + (x + x_off) * 2); | |
489 | bmap += 4; | |
490 | break; | |
491 | default: | |
492 | /* unencoded run */ | |
493 | runlen = bmap[1]; | |
494 | bmap += 2; | |
495 | if (y < height) { | |
496 | if (x < width) { | |
497 | if (x + runlen > width) | |
498 | cnt = width - x; | |
499 | else | |
500 | cnt = runlen; | |
501 | draw_unencoded_bitmap( | |
502 | (ushort **)&fb, | |
503 | bmap, cmap, cnt); | |
504 | } | |
505 | x += runlen; | |
506 | } | |
507 | bmap += runlen; | |
508 | if (runlen & 1) | |
509 | bmap++; | |
510 | } | |
511 | } else { | |
512 | /* encoded run */ | |
513 | if (y < height) { | |
514 | runlen = bmap[0]; | |
515 | if (x < width) { | |
516 | /* aggregate the same code */ | |
517 | while (bmap[0] == 0xff && | |
518 | bmap[2] != BMP_RLE8_ESCAPE && | |
519 | bmap[1] == bmap[3]) { | |
520 | runlen += bmap[2]; | |
521 | bmap += 2; | |
522 | } | |
523 | if (x + runlen > width) | |
524 | cnt = width - x; | |
525 | else | |
526 | cnt = runlen; | |
527 | draw_encoded_bitmap((ushort **)&fb, | |
528 | cmap[bmap[1]], cnt); | |
529 | } | |
530 | x += runlen; | |
531 | } | |
532 | bmap += 2; | |
533 | } | |
534 | } | |
535 | } | |
536 | #endif | |
537 | ||
27fad01b NK |
538 | __weak void fb_put_byte(uchar **fb, uchar **from) |
539 | { | |
540 | *(*fb)++ = *(*from)++; | |
541 | } | |
bfdcc65e NK |
542 | |
543 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 544 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
545 | { |
546 | *(*fb)++ = *(*from)++; | |
547 | *(*fb)++ = *(*from)++; | |
548 | } | |
bfdcc65e NK |
549 | #endif /* CONFIG_BMP_16BPP */ |
550 | ||
1c3dbe56 | 551 | __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) |
0b29a896 NK |
552 | { |
553 | int i; | |
1c3dbe56 | 554 | struct bmp_color_table_entry cte; |
0b29a896 NK |
555 | ushort *cmap = configuration_get_cmap(); |
556 | ||
557 | for (i = 0; i < colors; ++i) { | |
558 | cte = bmp->color_table[i]; | |
559 | *cmap = (((cte.red) << 8) & 0xf800) | | |
560 | (((cte.green) << 3) & 0x07e0) | | |
561 | (((cte.blue) >> 3) & 0x001f); | |
562 | #if defined(CONFIG_MPC823) | |
563 | cmap--; | |
564 | #else | |
565 | cmap++; | |
566 | #endif | |
567 | } | |
568 | } | |
569 | ||
8655b6f8 WD |
570 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
571 | { | |
00cc5595 | 572 | ushort *cmap_base = NULL; |
8655b6f8 WD |
573 | ushort i, j; |
574 | uchar *fb; | |
1c3dbe56 | 575 | struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); |
8655b6f8 | 576 | uchar *bmap; |
fecac46c | 577 | ushort padded_width; |
b245e65e | 578 | unsigned long width, height, byte_width; |
e8143e72 | 579 | unsigned long pwidth = panel_info.vl_col; |
b245e65e | 580 | unsigned colors, bpix, bmp_bpix; |
8655b6f8 | 581 | |
6b035141 JH |
582 | if (!bmp || !(bmp->header.signature[0] == 'B' && |
583 | bmp->header.signature[1] == 'M')) { | |
8f47d917 NK |
584 | printf("Error: no valid bmp image at %lx\n", bmp_image); |
585 | ||
8655b6f8 | 586 | return 1; |
b245e65e | 587 | } |
8655b6f8 | 588 | |
dca2a1c1 PM |
589 | width = get_unaligned_le32(&bmp->header.width); |
590 | height = get_unaligned_le32(&bmp->header.height); | |
591 | bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); | |
592 | ||
b245e65e | 593 | colors = 1 << bmp_bpix; |
8655b6f8 WD |
594 | |
595 | bpix = NBITS(panel_info.vl_bpix); | |
596 | ||
6b035141 | 597 | if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65e GL |
598 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
599 | bpix, bmp_bpix); | |
8f47d917 | 600 | |
8655b6f8 WD |
601 | return 1; |
602 | } | |
603 | ||
a305fb15 HP |
604 | /* |
605 | * We support displaying 8bpp BMPs on 16bpp LCDs | |
606 | * and displaying 24bpp BMPs on 32bpp LCDs | |
607 | * */ | |
608 | if (bpix != bmp_bpix && | |
609 | !(bmp_bpix == 8 && bpix == 16) && | |
610 | !(bmp_bpix == 24 && bpix == 32)) { | |
8655b6f8 | 611 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
dca2a1c1 | 612 | bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f8 WD |
613 | return 1; |
614 | } | |
615 | ||
8f47d917 | 616 | debug("Display-bmp: %d x %d with %d colors\n", |
8655b6f8 WD |
617 | (int)width, (int)height, (int)colors); |
618 | ||
0b29a896 NK |
619 | if (bmp_bpix == 8) |
620 | lcd_set_cmap(bmp, colors); | |
e8143e72 | 621 | |
6b035141 | 622 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
623 | |
624 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
625 | splash_align_axis(&x, pwidth, width); |
626 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
627 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
628 | ||
8f47d917 | 629 | if ((x + width) > pwidth) |
e8143e72 | 630 | width = pwidth - x; |
8f47d917 | 631 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
632 | height = panel_info.vl_row - y; |
633 | ||
dca2a1c1 PM |
634 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
635 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 636 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 637 | |
b245e65e | 638 | switch (bmp_bpix) { |
c8d2febc | 639 | case 1: |
0156444c | 640 | case 8: { |
0b29a896 | 641 | cmap_base = configuration_get_cmap(); |
45d7f525 | 642 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 PM |
643 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
644 | if (compression == BMP_BI_RLE8) { | |
45d7f525 TWHT |
645 | if (bpix != 16) { |
646 | /* TODO implement render code for bpix != 16 */ | |
647 | printf("Error: only support 16 bpix"); | |
648 | return 1; | |
649 | } | |
650 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
651 | break; | |
652 | } | |
653 | #endif | |
654 | ||
b245e65e GL |
655 | if (bpix != 16) |
656 | byte_width = width; | |
657 | else | |
658 | byte_width = width * 2; | |
659 | ||
a303dfb0 MJ |
660 | for (i = 0; i < height; ++i) { |
661 | WATCHDOG_RESET(); | |
b245e65e GL |
662 | for (j = 0; j < width; j++) { |
663 | if (bpix != 16) { | |
27fad01b | 664 | fb_put_byte(&fb, &bmap); |
b245e65e GL |
665 | } else { |
666 | *(uint16_t *)fb = cmap_base[*(bmap++)]; | |
667 | fb += sizeof(uint16_t) / sizeof(*fb); | |
668 | } | |
669 | } | |
fecac46c | 670 | bmap += (padded_width - width); |
6b035141 | 671 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
672 | } |
673 | break; | |
0156444c | 674 | } |
a303dfb0 MJ |
675 | #if defined(CONFIG_BMP_16BPP) |
676 | case 16: | |
677 | for (i = 0; i < height; ++i) { | |
678 | WATCHDOG_RESET(); | |
bfdcc65e NK |
679 | for (j = 0; j < width; j++) |
680 | fb_put_word(&fb, &bmap); | |
681 | ||
fecac46c | 682 | bmap += (padded_width - width) * 2; |
6b035141 | 683 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
684 | } |
685 | break; | |
686 | #endif /* CONFIG_BMP_16BPP */ | |
a305fb15 HP |
687 | #if defined(CONFIG_BMP_24BMP) |
688 | case 24: | |
689 | for (i = 0; i < height; ++i) { | |
690 | for (j = 0; j < width; j++) { | |
691 | *(fb++) = *(bmap++); | |
692 | *(fb++) = *(bmap++); | |
693 | *(fb++) = *(bmap++); | |
694 | *(fb++) = 0; | |
695 | } | |
696 | fb -= lcd_line_length + width * (bpix / 8); | |
697 | } | |
698 | break; | |
699 | #endif /* CONFIG_BMP_24BMP */ | |
fb6a9aab DL |
700 | #if defined(CONFIG_BMP_32BPP) |
701 | case 32: | |
702 | for (i = 0; i < height; ++i) { | |
703 | for (j = 0; j < width; j++) { | |
704 | *(fb++) = *(bmap++); | |
705 | *(fb++) = *(bmap++); | |
706 | *(fb++) = *(bmap++); | |
707 | *(fb++) = *(bmap++); | |
708 | } | |
6b035141 | 709 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
710 | } |
711 | break; | |
712 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
713 | default: |
714 | break; | |
715 | }; | |
8655b6f8 | 716 | |
9a8efc46 | 717 | lcd_sync(); |
8f47d917 | 718 | return 0; |
8655b6f8 | 719 | } |
c3517f91 | 720 | #endif |
8655b6f8 | 721 | |
7bf71d1f | 722 | static void lcd_logo(void) |
8655b6f8 | 723 | { |
bf21a5de | 724 | lcd_logo_plot(0, 0); |
8655b6f8 | 725 | |
6b59e03e | 726 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
727 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
728 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
729 | lcd_show_board_info(); |
730 | #endif /* CONFIG_LCD_INFO */ | |
8655b6f8 WD |
731 | } |
732 | ||
c0880485 NK |
733 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
734 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
735 | int flags) | |
736 | { | |
737 | ulong addr; | |
738 | int aligned; | |
739 | ||
740 | if (op == env_op_delete) | |
741 | return 0; | |
742 | ||
743 | addr = simple_strtoul(value, NULL, 16); | |
744 | /* See README.displaying-bmps */ | |
745 | aligned = (addr % 4 == 2); | |
746 | if (!aligned) { | |
747 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
748 | return -1; | |
749 | } | |
750 | ||
751 | return 0; | |
752 | } | |
753 | ||
754 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
755 | #endif | |
756 | ||
395166cf VB |
757 | int lcd_get_pixel_width(void) |
758 | { | |
759 | return panel_info.vl_col; | |
760 | } | |
761 | ||
762 | int lcd_get_pixel_height(void) | |
763 | { | |
764 | return panel_info.vl_row; | |
765 | } |