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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> |
8b0bfc68 | 18 | #include <watchdog.h> |
dca2a1c1 | 19 | #include <asm/unaligned.h> |
dd4425e8 | 20 | #include <splash.h> |
7d95f2a3 SG |
21 | #include <asm/io.h> |
22 | #include <asm/unaligned.h> | |
c8d2febc | 23 | #include <video_font.h> |
dd4425e8 | 24 | |
88804d19 | 25 | #ifdef CONFIG_LCD_LOGO |
c8d2febc NK |
26 | #include <bmp_logo.h> |
27 | #include <bmp_logo_data.h> | |
28 | #if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) | |
29 | #error Default Color Map overlaps with Logo Color Map | |
30 | #endif | |
88804d19 | 31 | #endif |
8655b6f8 | 32 | |
7d95f2a3 SG |
33 | #ifdef CONFIG_SANDBOX |
34 | #include <asm/sdl.h> | |
35 | #endif | |
36 | ||
676d319e SG |
37 | #ifndef CONFIG_LCD_ALIGNMENT |
38 | #define CONFIG_LCD_ALIGNMENT PAGE_SIZE | |
39 | #endif | |
40 | ||
a7de2953 NK |
41 | #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
42 | (LCD_BPP != LCD_COLOR32) | |
c8d2febc | 43 | #error Unsupported LCD BPP. |
a5796c51 JH |
44 | #endif |
45 | ||
d87080b7 | 46 | DECLARE_GLOBAL_DATA_PTR; |
8655b6f8 | 47 | |
8f47d917 | 48 | static int lcd_init(void *lcdbase); |
7bf71d1f | 49 | static void lcd_logo(void); |
8f47d917 NK |
50 | static void lcd_setfgcolor(int color); |
51 | static void lcd_setbgcolor(int color); | |
8655b6f8 | 52 | |
46d1d5dd WD |
53 | static int lcd_color_fg; |
54 | static int lcd_color_bg; | |
f1d205a1 | 55 | int lcd_line_length; |
8655b6f8 | 56 | char lcd_is_enabled = 0; |
00a0ca59 | 57 | static void *lcd_base; /* Start of framebuffer memory */ |
9a8efc46 | 58 | static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
8655b6f8 | 59 | |
9a8efc46 SG |
60 | /* Flush LCD activity to the caches */ |
61 | void lcd_sync(void) | |
62 | { | |
63 | /* | |
64 | * flush_dcache_range() is declared in common.h but it seems that some | |
65 | * architectures do not actually implement it. Is there a way to find | |
66 | * out whether it exists? For now, ARM is safe. | |
67 | */ | |
68 | #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) | |
69 | int line_length; | |
70 | ||
71 | if (lcd_flush_dcache) | |
72 | flush_dcache_range((u32)lcd_base, | |
73 | (u32)(lcd_base + lcd_get_size(&line_length))); | |
7d95f2a3 SG |
74 | #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) |
75 | static ulong last_sync; | |
76 | ||
77 | if (get_timer(last_sync) > 10) { | |
78 | sandbox_sdl_sync(lcd_base); | |
79 | last_sync = get_timer(0); | |
80 | } | |
9a8efc46 SG |
81 | #endif |
82 | } | |
83 | ||
84 | void lcd_set_flush_dcache(int flush) | |
85 | { | |
86 | lcd_flush_dcache = (flush != 0); | |
87 | } | |
88 | ||
709ea543 SG |
89 | static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
90 | { | |
91 | lcd_putc(c); | |
92 | } | |
93 | ||
709ea543 SG |
94 | static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
95 | { | |
96 | lcd_puts(s); | |
97 | } | |
98 | ||
c8d2febc | 99 | /* Small utility to check that you got the colours right */ |
8655b6f8 WD |
100 | #ifdef LCD_TEST_PATTERN |
101 | ||
102 | #define N_BLK_VERT 2 | |
103 | #define N_BLK_HOR 3 | |
104 | ||
6b035141 | 105 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
8655b6f8 WD |
106 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
107 | CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, | |
108 | }; | |
109 | ||
8f47d917 | 110 | static void test_pattern(void) |
8655b6f8 WD |
111 | { |
112 | ushort v_max = panel_info.vl_row; | |
113 | ushort h_max = panel_info.vl_col; | |
114 | ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; | |
115 | ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; | |
116 | ushort v, h; | |
117 | uchar *pix = (uchar *)lcd_base; | |
118 | ||
8f47d917 | 119 | printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
8655b6f8 WD |
120 | h_max, v_max, h_step, v_step); |
121 | ||
122 | /* WARNING: Code silently assumes 8bit/pixel */ | |
8f47d917 | 123 | for (v = 0; v < v_max; ++v) { |
8655b6f8 | 124 | uchar iy = v / v_step; |
8f47d917 | 125 | for (h = 0; h < h_max; ++h) { |
6b035141 | 126 | uchar ix = N_BLK_HOR * iy + h / h_step; |
8655b6f8 WD |
127 | *pix++ = test_colors[ix]; |
128 | } | |
129 | } | |
130 | } | |
131 | #endif /* LCD_TEST_PATTERN */ | |
132 | ||
cefa4717 AG |
133 | /* |
134 | * With most lcd drivers the line length is set up | |
135 | * by calculating it from panel_info parameters. Some | |
136 | * drivers need to calculate the line length differently, | |
137 | * so make the function weak to allow overriding it. | |
138 | */ | |
139 | __weak int lcd_get_size(int *line_length) | |
676d319e SG |
140 | { |
141 | *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; | |
142 | return *line_length * panel_info.vl_row; | |
143 | } | |
144 | ||
6b035141 | 145 | int drv_lcd_init(void) |
8655b6f8 | 146 | { |
52cb4d4f | 147 | struct stdio_dev lcddev; |
8655b6f8 WD |
148 | int rc; |
149 | ||
7d95f2a3 | 150 | lcd_base = map_sysmem(gd->fb_base, 0); |
8655b6f8 | 151 | |
c8d2febc | 152 | lcd_init(lcd_base); |
8655b6f8 WD |
153 | |
154 | /* Device initialization */ | |
8f47d917 | 155 | memset(&lcddev, 0, sizeof(lcddev)); |
8655b6f8 | 156 | |
8f47d917 | 157 | strcpy(lcddev.name, "lcd"); |
8655b6f8 WD |
158 | lcddev.ext = 0; /* No extensions */ |
159 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
709ea543 SG |
160 | lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
161 | lcddev.puts = lcd_stub_puts; /* 'puts' function */ | |
8655b6f8 | 162 | |
6b035141 | 163 | rc = stdio_register(&lcddev); |
8655b6f8 WD |
164 | |
165 | return (rc == 0) ? 1 : rc; | |
166 | } | |
167 | ||
02110903 | 168 | void lcd_clear(void) |
8655b6f8 | 169 | { |
140beb94 | 170 | short console_rows, console_cols; |
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 WD |
213 | #endif |
214 | /* Paint the logo and retrieve LCD base address */ | |
8f47d917 | 215 | debug("[LCD] Drawing the logo...\n"); |
efd7c4a2 NK |
216 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
217 | console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT); | |
218 | console_rows /= VIDEO_FONT_HEIGHT; | |
219 | #else | |
220 | console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT; | |
221 | #endif | |
222 | console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH; | |
2af13d6b | 223 | lcd_init_console(lcd_base, console_rows, console_cols); |
7bf71d1f NK |
224 | if (do_splash) { |
225 | s = getenv("splashimage"); | |
226 | if (s) { | |
227 | do_splash = 0; | |
228 | addr = simple_strtoul(s, NULL, 16); | |
229 | if (lcd_splash(addr) == 0) { | |
230 | lcd_sync(); | |
231 | return; | |
232 | } | |
233 | } | |
234 | } | |
235 | ||
236 | lcd_logo(); | |
237 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) | |
238 | addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; | |
239 | lcd_init_console((void *)addr, console_rows, console_cols); | |
240 | #endif | |
9a8efc46 SG |
241 | lcd_sync(); |
242 | } | |
243 | ||
244 | static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, | |
245 | char *const argv[]) | |
246 | { | |
247 | lcd_clear(); | |
248 | return 0; | |
8655b6f8 | 249 | } |
c8d2febc | 250 | U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); |
8655b6f8 | 251 | |
8f47d917 | 252 | static int lcd_init(void *lcdbase) |
8655b6f8 | 253 | { |
8f47d917 | 254 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8f47d917 | 255 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
256 | |
257 | /* | |
9316e144 | 258 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
259 | * the 'lcdbase' argument and uses custom lcd base address |
260 | * by setting up gd->fb_base. Check for this condition and fixup | |
261 | * 'lcd_base' address. | |
262 | */ | |
7d95f2a3 SG |
263 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
264 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
265 | |
266 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
267 | ||
6d330719 | 268 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 269 | lcd_is_enabled = 1; |
02110903 | 270 | lcd_clear(); |
6b035141 | 271 | lcd_enable(); |
8655b6f8 WD |
272 | |
273 | /* Initialize the console */ | |
140beb94 | 274 | lcd_set_col(0); |
88804d19 | 275 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 276 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 277 | #else |
140beb94 | 278 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 279 | #endif |
8655b6f8 WD |
280 | |
281 | return 0; | |
282 | } | |
283 | ||
8655b6f8 WD |
284 | /* |
285 | * This is called early in the system initialization to grab memory | |
286 | * for the LCD controller. | |
287 | * Returns new address for monitor, after reserving LCD buffer memory | |
288 | * | |
289 | * Note that this is running from ROM, so no write access to global data. | |
290 | */ | |
8f47d917 | 291 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
292 | { |
293 | ulong size; | |
676d319e | 294 | int line_length; |
8655b6f8 | 295 | |
8f47d917 NK |
296 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
297 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 298 | |
676d319e | 299 | size = lcd_get_size(&line_length); |
8655b6f8 | 300 | |
676d319e SG |
301 | /* Round up to nearest full page, or MMU section if defined */ |
302 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
303 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
304 | |
305 | /* Allocate pages for the frame buffer. */ | |
306 | addr -= size; | |
307 | ||
6b035141 JH |
308 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
309 | size >> 10, addr); | |
8655b6f8 | 310 | |
8f47d917 | 311 | return addr; |
8655b6f8 WD |
312 | } |
313 | ||
8f47d917 | 314 | static void lcd_setfgcolor(int color) |
8655b6f8 | 315 | { |
39cf4804 | 316 | lcd_color_fg = color; |
8655b6f8 WD |
317 | } |
318 | ||
4d03634e NK |
319 | int lcd_getfgcolor(void) |
320 | { | |
321 | return lcd_color_fg; | |
322 | } | |
323 | ||
8f47d917 | 324 | static void lcd_setbgcolor(int color) |
8655b6f8 | 325 | { |
39cf4804 | 326 | lcd_color_bg = color; |
8655b6f8 WD |
327 | } |
328 | ||
4d03634e NK |
329 | int lcd_getbgcolor(void) |
330 | { | |
331 | return lcd_color_bg; | |
332 | } | |
333 | ||
8655b6f8 | 334 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
335 | __weak void lcd_logo_set_cmap(void) |
336 | { | |
2306457c NK |
337 | int i; |
338 | ushort *cmap = configuration_get_cmap(); | |
339 | ||
340 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
341 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
342 | } |
343 | ||
bf21a5de | 344 | void lcd_logo_plot(int x, int y) |
8655b6f8 | 345 | { |
8655b6f8 | 346 | ushort i, j; |
c8d2febc | 347 | uchar *bmap = &bmp_logo_bitmap[0]; |
317461c1 | 348 | unsigned bpix = NBITS(panel_info.vl_bpix); |
c8d2febc NK |
349 | uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
350 | ushort *fb16; | |
8655b6f8 | 351 | |
2306457c NK |
352 | debug("Logo: width %d height %d colors %d\n", |
353 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 | 354 | |
317461c1 | 355 | if (bpix < 12) { |
8655b6f8 | 356 | WATCHDOG_RESET(); |
a02e9481 | 357 | lcd_logo_set_cmap(); |
8655b6f8 WD |
358 | WATCHDOG_RESET(); |
359 | ||
8f47d917 NK |
360 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
361 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 362 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 363 | fb += panel_info.vl_col; |
8655b6f8 WD |
364 | } |
365 | } | |
366 | else { /* true color mode */ | |
acb13868 | 367 | u16 col16; |
317461c1 | 368 | fb16 = (ushort *)fb; |
8f47d917 NK |
369 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
370 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
371 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
372 | fb16[j] = | |
373 | ((col16 & 0x000F) << 1) | | |
374 | ((col16 & 0x00F0) << 3) | | |
375 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
376 | } |
377 | bmap += BMP_LOGO_WIDTH; | |
378 | fb16 += panel_info.vl_col; | |
379 | } | |
380 | } | |
381 | ||
382 | WATCHDOG_RESET(); | |
9a8efc46 | 383 | lcd_sync(); |
8655b6f8 | 384 | } |
2b5cb3d3 | 385 | #else |
bf21a5de | 386 | static inline void lcd_logo_plot(int x, int y) {} |
8655b6f8 WD |
387 | #endif /* CONFIG_LCD_LOGO */ |
388 | ||
c3517f91 | 389 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
1ca298ce MW |
390 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
391 | #define BMP_ALIGN_CENTER 0x7FFF | |
7c7e280a NK |
392 | |
393 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
394 | unsigned long picture_size) | |
395 | { | |
396 | unsigned long panel_picture_delta = panel_size - picture_size; | |
397 | unsigned long axis_alignment; | |
398 | ||
399 | if (*axis == BMP_ALIGN_CENTER) | |
400 | axis_alignment = panel_picture_delta / 2; | |
401 | else if (*axis < 0) | |
402 | axis_alignment = panel_picture_delta + *axis + 1; | |
403 | else | |
404 | return; | |
405 | ||
b4141195 | 406 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 407 | } |
1ca298ce MW |
408 | #endif |
409 | ||
45d7f525 | 410 | #ifdef CONFIG_LCD_BMP_RLE8 |
45d7f525 TWHT |
411 | #define BMP_RLE8_ESCAPE 0 |
412 | #define BMP_RLE8_EOL 0 | |
413 | #define BMP_RLE8_EOBMP 1 | |
414 | #define BMP_RLE8_DELTA 2 | |
415 | ||
416 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
417 | int cnt) | |
418 | { | |
419 | while (cnt > 0) { | |
420 | *(*fbp)++ = cmap[*bmap++]; | |
421 | cnt--; | |
422 | } | |
423 | } | |
424 | ||
425 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
426 | { | |
427 | ushort *fb = *fbp; | |
428 | int cnt_8copy = cnt >> 3; | |
429 | ||
430 | cnt -= cnt_8copy << 3; | |
431 | while (cnt_8copy > 0) { | |
432 | *fb++ = c; | |
433 | *fb++ = c; | |
434 | *fb++ = c; | |
435 | *fb++ = c; | |
436 | *fb++ = c; | |
437 | *fb++ = c; | |
438 | *fb++ = c; | |
439 | *fb++ = c; | |
440 | cnt_8copy--; | |
441 | } | |
442 | while (cnt > 0) { | |
443 | *fb++ = c; | |
444 | cnt--; | |
445 | } | |
6b035141 | 446 | *fbp = fb; |
45d7f525 TWHT |
447 | } |
448 | ||
449 | /* | |
6b035141 | 450 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 TWHT |
451 | */ |
452 | static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, | |
453 | int x_off, int y_off) | |
454 | { | |
455 | uchar *bmap; | |
456 | ulong width, height; | |
457 | ulong cnt, runlen; | |
458 | int x, y; | |
459 | int decode = 1; | |
460 | ||
dca2a1c1 PM |
461 | width = get_unaligned_le32(&bmp->header.width); |
462 | height = get_unaligned_le32(&bmp->header.height); | |
463 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
464 | |
465 | x = 0; | |
466 | y = height - 1; | |
467 | ||
468 | while (decode) { | |
469 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
470 | switch (bmap[1]) { | |
471 | case BMP_RLE8_EOL: | |
472 | /* end of line */ | |
473 | bmap += 2; | |
474 | x = 0; | |
475 | y--; | |
476 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
477 | fb -= (width * 2 + lcd_line_length); | |
478 | break; | |
479 | case BMP_RLE8_EOBMP: | |
480 | /* end of bitmap */ | |
481 | decode = 0; | |
482 | break; | |
483 | case BMP_RLE8_DELTA: | |
484 | /* delta run */ | |
485 | x += bmap[2]; | |
486 | y -= bmap[3]; | |
487 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
488 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
489 | * lcd_line_length + (x + x_off) * 2); | |
490 | bmap += 4; | |
491 | break; | |
492 | default: | |
493 | /* unencoded run */ | |
494 | runlen = bmap[1]; | |
495 | bmap += 2; | |
496 | if (y < height) { | |
497 | if (x < width) { | |
498 | if (x + runlen > width) | |
499 | cnt = width - x; | |
500 | else | |
501 | cnt = runlen; | |
502 | draw_unencoded_bitmap( | |
503 | (ushort **)&fb, | |
504 | bmap, cmap, cnt); | |
505 | } | |
506 | x += runlen; | |
507 | } | |
508 | bmap += runlen; | |
509 | if (runlen & 1) | |
510 | bmap++; | |
511 | } | |
512 | } else { | |
513 | /* encoded run */ | |
514 | if (y < height) { | |
515 | runlen = bmap[0]; | |
516 | if (x < width) { | |
517 | /* aggregate the same code */ | |
518 | while (bmap[0] == 0xff && | |
519 | bmap[2] != BMP_RLE8_ESCAPE && | |
520 | bmap[1] == bmap[3]) { | |
521 | runlen += bmap[2]; | |
522 | bmap += 2; | |
523 | } | |
524 | if (x + runlen > width) | |
525 | cnt = width - x; | |
526 | else | |
527 | cnt = runlen; | |
528 | draw_encoded_bitmap((ushort **)&fb, | |
529 | cmap[bmap[1]], cnt); | |
530 | } | |
531 | x += runlen; | |
532 | } | |
533 | bmap += 2; | |
534 | } | |
535 | } | |
536 | } | |
537 | #endif | |
538 | ||
27fad01b NK |
539 | __weak void fb_put_byte(uchar **fb, uchar **from) |
540 | { | |
541 | *(*fb)++ = *(*from)++; | |
542 | } | |
bfdcc65e NK |
543 | |
544 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 545 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
546 | { |
547 | *(*fb)++ = *(*from)++; | |
548 | *(*fb)++ = *(*from)++; | |
549 | } | |
bfdcc65e NK |
550 | #endif /* CONFIG_BMP_16BPP */ |
551 | ||
0b29a896 NK |
552 | __weak void lcd_set_cmap(bmp_image_t *bmp, unsigned colors) |
553 | { | |
554 | int i; | |
555 | bmp_color_table_entry_t cte; | |
556 | ushort *cmap = configuration_get_cmap(); | |
557 | ||
558 | for (i = 0; i < colors; ++i) { | |
559 | cte = bmp->color_table[i]; | |
560 | *cmap = (((cte.red) << 8) & 0xf800) | | |
561 | (((cte.green) << 3) & 0x07e0) | | |
562 | (((cte.blue) >> 3) & 0x001f); | |
563 | #if defined(CONFIG_MPC823) | |
564 | cmap--; | |
565 | #else | |
566 | cmap++; | |
567 | #endif | |
568 | } | |
569 | } | |
570 | ||
8655b6f8 WD |
571 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
572 | { | |
00cc5595 | 573 | ushort *cmap_base = NULL; |
8655b6f8 WD |
574 | ushort i, j; |
575 | uchar *fb; | |
7d95f2a3 | 576 | bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0); |
8655b6f8 | 577 | uchar *bmap; |
fecac46c | 578 | ushort padded_width; |
b245e65e | 579 | unsigned long width, height, byte_width; |
e8143e72 | 580 | unsigned long pwidth = panel_info.vl_col; |
b245e65e | 581 | unsigned colors, bpix, bmp_bpix; |
8655b6f8 | 582 | |
6b035141 JH |
583 | if (!bmp || !(bmp->header.signature[0] == 'B' && |
584 | bmp->header.signature[1] == 'M')) { | |
8f47d917 NK |
585 | printf("Error: no valid bmp image at %lx\n", bmp_image); |
586 | ||
8655b6f8 | 587 | return 1; |
b245e65e | 588 | } |
8655b6f8 | 589 | |
dca2a1c1 PM |
590 | width = get_unaligned_le32(&bmp->header.width); |
591 | height = get_unaligned_le32(&bmp->header.height); | |
592 | bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); | |
593 | ||
b245e65e | 594 | colors = 1 << bmp_bpix; |
8655b6f8 WD |
595 | |
596 | bpix = NBITS(panel_info.vl_bpix); | |
597 | ||
6b035141 | 598 | if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65e GL |
599 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
600 | bpix, bmp_bpix); | |
8f47d917 | 601 | |
8655b6f8 WD |
602 | return 1; |
603 | } | |
604 | ||
a305fb15 HP |
605 | /* |
606 | * We support displaying 8bpp BMPs on 16bpp LCDs | |
607 | * and displaying 24bpp BMPs on 32bpp LCDs | |
608 | * */ | |
609 | if (bpix != bmp_bpix && | |
610 | !(bmp_bpix == 8 && bpix == 16) && | |
611 | !(bmp_bpix == 24 && bpix == 32)) { | |
8655b6f8 | 612 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
dca2a1c1 | 613 | bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f8 WD |
614 | return 1; |
615 | } | |
616 | ||
8f47d917 | 617 | debug("Display-bmp: %d x %d with %d colors\n", |
8655b6f8 WD |
618 | (int)width, (int)height, (int)colors); |
619 | ||
0b29a896 NK |
620 | if (bmp_bpix == 8) |
621 | lcd_set_cmap(bmp, colors); | |
e8143e72 | 622 | |
6b035141 | 623 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
624 | |
625 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
626 | splash_align_axis(&x, pwidth, width); |
627 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
628 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
629 | ||
8f47d917 | 630 | if ((x + width) > pwidth) |
e8143e72 | 631 | width = pwidth - x; |
8f47d917 | 632 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
633 | height = panel_info.vl_row - y; |
634 | ||
dca2a1c1 PM |
635 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
636 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 637 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 638 | |
b245e65e | 639 | switch (bmp_bpix) { |
c8d2febc | 640 | case 1: |
0156444c | 641 | case 8: { |
0b29a896 | 642 | cmap_base = configuration_get_cmap(); |
45d7f525 | 643 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 PM |
644 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
645 | if (compression == BMP_BI_RLE8) { | |
45d7f525 TWHT |
646 | if (bpix != 16) { |
647 | /* TODO implement render code for bpix != 16 */ | |
648 | printf("Error: only support 16 bpix"); | |
649 | return 1; | |
650 | } | |
651 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
652 | break; | |
653 | } | |
654 | #endif | |
655 | ||
b245e65e GL |
656 | if (bpix != 16) |
657 | byte_width = width; | |
658 | else | |
659 | byte_width = width * 2; | |
660 | ||
a303dfb0 MJ |
661 | for (i = 0; i < height; ++i) { |
662 | WATCHDOG_RESET(); | |
b245e65e GL |
663 | for (j = 0; j < width; j++) { |
664 | if (bpix != 16) { | |
27fad01b | 665 | fb_put_byte(&fb, &bmap); |
b245e65e GL |
666 | } else { |
667 | *(uint16_t *)fb = cmap_base[*(bmap++)]; | |
668 | fb += sizeof(uint16_t) / sizeof(*fb); | |
669 | } | |
670 | } | |
fecac46c | 671 | bmap += (padded_width - width); |
6b035141 | 672 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
673 | } |
674 | break; | |
0156444c | 675 | } |
a303dfb0 MJ |
676 | #if defined(CONFIG_BMP_16BPP) |
677 | case 16: | |
678 | for (i = 0; i < height; ++i) { | |
679 | WATCHDOG_RESET(); | |
bfdcc65e NK |
680 | for (j = 0; j < width; j++) |
681 | fb_put_word(&fb, &bmap); | |
682 | ||
fecac46c | 683 | bmap += (padded_width - width) * 2; |
6b035141 | 684 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
685 | } |
686 | break; | |
687 | #endif /* CONFIG_BMP_16BPP */ | |
a305fb15 HP |
688 | #if defined(CONFIG_BMP_24BMP) |
689 | case 24: | |
690 | for (i = 0; i < height; ++i) { | |
691 | for (j = 0; j < width; j++) { | |
692 | *(fb++) = *(bmap++); | |
693 | *(fb++) = *(bmap++); | |
694 | *(fb++) = *(bmap++); | |
695 | *(fb++) = 0; | |
696 | } | |
697 | fb -= lcd_line_length + width * (bpix / 8); | |
698 | } | |
699 | break; | |
700 | #endif /* CONFIG_BMP_24BMP */ | |
fb6a9aab DL |
701 | #if defined(CONFIG_BMP_32BPP) |
702 | case 32: | |
703 | for (i = 0; i < height; ++i) { | |
704 | for (j = 0; j < width; j++) { | |
705 | *(fb++) = *(bmap++); | |
706 | *(fb++) = *(bmap++); | |
707 | *(fb++) = *(bmap++); | |
708 | *(fb++) = *(bmap++); | |
709 | } | |
6b035141 | 710 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
711 | } |
712 | break; | |
713 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
714 | default: |
715 | break; | |
716 | }; | |
8655b6f8 | 717 | |
9a8efc46 | 718 | lcd_sync(); |
8f47d917 | 719 | return 0; |
8655b6f8 | 720 | } |
c3517f91 | 721 | #endif |
8655b6f8 | 722 | |
7bf71d1f | 723 | static void lcd_logo(void) |
8655b6f8 | 724 | { |
bf21a5de | 725 | lcd_logo_plot(0, 0); |
8655b6f8 | 726 | |
6b59e03e | 727 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
728 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
729 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
730 | lcd_show_board_info(); |
731 | #endif /* CONFIG_LCD_INFO */ | |
8655b6f8 WD |
732 | } |
733 | ||
c0880485 NK |
734 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
735 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
736 | int flags) | |
737 | { | |
738 | ulong addr; | |
739 | int aligned; | |
740 | ||
741 | if (op == env_op_delete) | |
742 | return 0; | |
743 | ||
744 | addr = simple_strtoul(value, NULL, 16); | |
745 | /* See README.displaying-bmps */ | |
746 | aligned = (addr % 4 == 2); | |
747 | if (!aligned) { | |
748 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
749 | return -1; | |
750 | } | |
751 | ||
752 | return 0; | |
753 | } | |
754 | ||
755 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
756 | #endif | |
757 | ||
395166cf VB |
758 | int lcd_get_pixel_width(void) |
759 | { | |
760 | return panel_info.vl_col; | |
761 | } | |
762 | ||
763 | int lcd_get_pixel_height(void) | |
764 | { | |
765 | return panel_info.vl_row; | |
766 | } |