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Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
8655b6f8 | 2 | /* |
c8d2febc | 3 | * Common LCD routines |
8655b6f8 WD |
4 | * |
5 | * (C) Copyright 2001-2002 | |
6 | * Wolfgang Denk, DENX Software Engineering -- [email protected] | |
8655b6f8 WD |
7 | */ |
8 | ||
8655b6f8 | 9 | /* #define DEBUG */ |
8655b6f8 WD |
10 | #include <config.h> |
11 | #include <common.h> | |
12 | #include <command.h> | |
c0880485 | 13 | #include <env_callback.h> |
8655b6f8 | 14 | #include <linux/types.h> |
52cb4d4f | 15 | #include <stdio_dev.h> |
8655b6f8 | 16 | #include <lcd.h> |
0eb25b61 | 17 | #include <mapmem.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 | |
676d319e SG |
33 | #ifndef CONFIG_LCD_ALIGNMENT |
34 | #define CONFIG_LCD_ALIGNMENT PAGE_SIZE | |
35 | #endif | |
36 | ||
a7de2953 NK |
37 | #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
38 | (LCD_BPP != LCD_COLOR32) | |
c8d2febc | 39 | #error Unsupported LCD BPP. |
a5796c51 JH |
40 | #endif |
41 | ||
d87080b7 | 42 | DECLARE_GLOBAL_DATA_PTR; |
8655b6f8 | 43 | |
8f47d917 | 44 | static int lcd_init(void *lcdbase); |
7bf71d1f | 45 | static void lcd_logo(void); |
8f47d917 NK |
46 | static void lcd_setfgcolor(int color); |
47 | static void lcd_setbgcolor(int color); | |
8655b6f8 | 48 | |
46d1d5dd WD |
49 | static int lcd_color_fg; |
50 | static int lcd_color_bg; | |
f1d205a1 | 51 | int lcd_line_length; |
8655b6f8 | 52 | char lcd_is_enabled = 0; |
00a0ca59 | 53 | static void *lcd_base; /* Start of framebuffer memory */ |
9a8efc46 | 54 | static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
8655b6f8 | 55 | |
9a8efc46 SG |
56 | /* Flush LCD activity to the caches */ |
57 | void lcd_sync(void) | |
58 | { | |
59 | /* | |
60 | * flush_dcache_range() is declared in common.h but it seems that some | |
61 | * architectures do not actually implement it. Is there a way to find | |
62 | * out whether it exists? For now, ARM is safe. | |
63 | */ | |
64 | #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) | |
65 | int line_length; | |
66 | ||
67 | if (lcd_flush_dcache) | |
f8f58fbb AG |
68 | flush_dcache_range((ulong)lcd_base, |
69 | (ulong)(lcd_base + lcd_get_size(&line_length))); | |
9a8efc46 SG |
70 | #endif |
71 | } | |
72 | ||
73 | void lcd_set_flush_dcache(int flush) | |
74 | { | |
75 | lcd_flush_dcache = (flush != 0); | |
76 | } | |
77 | ||
709ea543 SG |
78 | static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
79 | { | |
80 | lcd_putc(c); | |
81 | } | |
82 | ||
709ea543 SG |
83 | static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
84 | { | |
85 | lcd_puts(s); | |
86 | } | |
87 | ||
c8d2febc | 88 | /* Small utility to check that you got the colours right */ |
8655b6f8 WD |
89 | #ifdef LCD_TEST_PATTERN |
90 | ||
e32951b5 | 91 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 WD |
92 | #define N_BLK_VERT 2 |
93 | #define N_BLK_HOR 3 | |
94 | ||
6b035141 | 95 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
8655b6f8 WD |
96 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
97 | CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, | |
e32951b5 AN |
98 | }; /*LCD_BPP == LCD_COLOR8 */ |
99 | ||
100 | #elif LCD_BPP == LCD_COLOR16 | |
101 | #define N_BLK_VERT 2 | |
102 | #define N_BLK_HOR 4 | |
103 | ||
104 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { | |
105 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, CONSOLE_COLOR_BLUE, | |
106 | CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE, | |
8655b6f8 | 107 | }; |
e32951b5 | 108 | #endif /*LCD_BPP == LCD_COLOR16 */ |
8655b6f8 | 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; | |
e32951b5 | 117 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 118 | uchar *pix = (uchar *)lcd_base; |
e32951b5 AN |
119 | #elif LCD_BPP == LCD_COLOR16 |
120 | ushort *pix = (ushort *)lcd_base; | |
121 | #endif | |
8655b6f8 | 122 | |
8f47d917 | 123 | printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
8655b6f8 WD |
124 | h_max, v_max, h_step, v_step); |
125 | ||
8f47d917 | 126 | for (v = 0; v < v_max; ++v) { |
8655b6f8 | 127 | uchar iy = v / v_step; |
8f47d917 | 128 | for (h = 0; h < h_max; ++h) { |
6b035141 | 129 | uchar ix = N_BLK_HOR * iy + h / h_step; |
8655b6f8 WD |
130 | *pix++ = test_colors[ix]; |
131 | } | |
132 | } | |
133 | } | |
134 | #endif /* LCD_TEST_PATTERN */ | |
135 | ||
cefa4717 AG |
136 | /* |
137 | * With most lcd drivers the line length is set up | |
138 | * by calculating it from panel_info parameters. Some | |
139 | * drivers need to calculate the line length differently, | |
140 | * so make the function weak to allow overriding it. | |
141 | */ | |
142 | __weak int lcd_get_size(int *line_length) | |
676d319e SG |
143 | { |
144 | *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; | |
145 | return *line_length * panel_info.vl_row; | |
146 | } | |
147 | ||
6b035141 | 148 | int drv_lcd_init(void) |
8655b6f8 | 149 | { |
52cb4d4f | 150 | struct stdio_dev lcddev; |
8655b6f8 WD |
151 | int rc; |
152 | ||
7d95f2a3 | 153 | lcd_base = map_sysmem(gd->fb_base, 0); |
8655b6f8 | 154 | |
c8d2febc | 155 | lcd_init(lcd_base); |
8655b6f8 WD |
156 | |
157 | /* Device initialization */ | |
8f47d917 | 158 | memset(&lcddev, 0, sizeof(lcddev)); |
8655b6f8 | 159 | |
8f47d917 | 160 | strcpy(lcddev.name, "lcd"); |
8655b6f8 WD |
161 | lcddev.ext = 0; /* No extensions */ |
162 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
709ea543 SG |
163 | lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
164 | lcddev.puts = lcd_stub_puts; /* 'puts' function */ | |
8655b6f8 | 165 | |
6b035141 | 166 | rc = stdio_register(&lcddev); |
8655b6f8 WD |
167 | |
168 | return (rc == 0) ? 1 : rc; | |
169 | } | |
170 | ||
02110903 | 171 | void lcd_clear(void) |
8655b6f8 | 172 | { |
4d03634e | 173 | int bg_color; |
7bf71d1f NK |
174 | char *s; |
175 | ulong addr; | |
176 | static int do_splash = 1; | |
f4469f50 | 177 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 178 | /* Setting the palette */ |
8f47d917 NK |
179 | lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
180 | lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
181 | lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
182 | lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
183 | lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
184 | lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
185 | lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
186 | lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
187 | lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
8655b6f8 WD |
188 | #endif |
189 | ||
6d0f6bcf | 190 | #ifndef CONFIG_SYS_WHITE_ON_BLACK |
8f47d917 NK |
191 | lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
192 | lcd_setbgcolor(CONSOLE_COLOR_WHITE); | |
4d03634e | 193 | bg_color = CONSOLE_COLOR_WHITE; |
8655b6f8 | 194 | #else |
8f47d917 NK |
195 | lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
196 | lcd_setbgcolor(CONSOLE_COLOR_BLACK); | |
4d03634e | 197 | bg_color = CONSOLE_COLOR_BLACK; |
6d0f6bcf | 198 | #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
8655b6f8 WD |
199 | |
200 | #ifdef LCD_TEST_PATTERN | |
201 | test_pattern(); | |
202 | #else | |
203 | /* set framebuffer to background color */ | |
57d76a89 | 204 | #if (LCD_BPP != LCD_COLOR32) |
4d03634e | 205 | memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
57d76a89 HP |
206 | #else |
207 | u32 *ppix = lcd_base; | |
208 | u32 i; | |
209 | for (i = 0; | |
210 | i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); | |
211 | i++) { | |
4d03634e | 212 | *ppix++ = bg_color; |
57d76a89 HP |
213 | } |
214 | #endif | |
8655b6f8 | 215 | #endif |
604c7d4a HP |
216 | /* setup text-console */ |
217 | debug("[LCD] setting up console...\n"); | |
218 | lcd_init_console(lcd_base, | |
219 | panel_info.vl_col, | |
220 | panel_info.vl_row, | |
221 | panel_info.vl_rot); | |
8655b6f8 | 222 | /* Paint the logo and retrieve LCD base address */ |
8f47d917 | 223 | debug("[LCD] Drawing the logo...\n"); |
7bf71d1f | 224 | if (do_splash) { |
00caae6d | 225 | s = env_get("splashimage"); |
7bf71d1f NK |
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; | |
3b96b909 MZ |
239 | lcd_init_console((void *)addr, panel_info.vl_col, |
240 | panel_info.vl_row, panel_info.vl_rot); | |
7bf71d1f | 241 | #endif |
9a8efc46 SG |
242 | lcd_sync(); |
243 | } | |
244 | ||
8f47d917 | 245 | static int lcd_init(void *lcdbase) |
8655b6f8 | 246 | { |
8f47d917 | 247 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8f47d917 | 248 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
249 | |
250 | /* | |
9316e144 | 251 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
252 | * the 'lcdbase' argument and uses custom lcd base address |
253 | * by setting up gd->fb_base. Check for this condition and fixup | |
254 | * 'lcd_base' address. | |
255 | */ | |
7d95f2a3 SG |
256 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
257 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
258 | |
259 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
260 | ||
6d330719 | 261 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 262 | lcd_is_enabled = 1; |
02110903 | 263 | lcd_clear(); |
6b035141 | 264 | lcd_enable(); |
8655b6f8 WD |
265 | |
266 | /* Initialize the console */ | |
140beb94 | 267 | lcd_set_col(0); |
88804d19 | 268 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 269 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 270 | #else |
140beb94 | 271 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 272 | #endif |
8655b6f8 WD |
273 | |
274 | return 0; | |
275 | } | |
276 | ||
8655b6f8 WD |
277 | /* |
278 | * This is called early in the system initialization to grab memory | |
279 | * for the LCD controller. | |
280 | * Returns new address for monitor, after reserving LCD buffer memory | |
281 | * | |
282 | * Note that this is running from ROM, so no write access to global data. | |
283 | */ | |
8f47d917 | 284 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
285 | { |
286 | ulong size; | |
676d319e | 287 | int line_length; |
8655b6f8 | 288 | |
8f47d917 NK |
289 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
290 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 291 | |
676d319e | 292 | size = lcd_get_size(&line_length); |
8655b6f8 | 293 | |
676d319e SG |
294 | /* Round up to nearest full page, or MMU section if defined */ |
295 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
296 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
297 | |
298 | /* Allocate pages for the frame buffer. */ | |
299 | addr -= size; | |
300 | ||
6b035141 JH |
301 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
302 | size >> 10, addr); | |
8655b6f8 | 303 | |
8f47d917 | 304 | return addr; |
8655b6f8 WD |
305 | } |
306 | ||
8f47d917 | 307 | static void lcd_setfgcolor(int color) |
8655b6f8 | 308 | { |
39cf4804 | 309 | lcd_color_fg = color; |
8655b6f8 WD |
310 | } |
311 | ||
4d03634e NK |
312 | int lcd_getfgcolor(void) |
313 | { | |
314 | return lcd_color_fg; | |
315 | } | |
316 | ||
8f47d917 | 317 | static void lcd_setbgcolor(int color) |
8655b6f8 | 318 | { |
39cf4804 | 319 | lcd_color_bg = color; |
8655b6f8 WD |
320 | } |
321 | ||
4d03634e NK |
322 | int lcd_getbgcolor(void) |
323 | { | |
324 | return lcd_color_bg; | |
325 | } | |
326 | ||
8655b6f8 | 327 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
328 | __weak void lcd_logo_set_cmap(void) |
329 | { | |
2306457c NK |
330 | int i; |
331 | ushort *cmap = configuration_get_cmap(); | |
332 | ||
333 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
334 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
335 | } |
336 | ||
bf21a5de | 337 | void lcd_logo_plot(int x, int y) |
8655b6f8 | 338 | { |
8655b6f8 | 339 | ushort i, j; |
c8d2febc | 340 | uchar *bmap = &bmp_logo_bitmap[0]; |
317461c1 | 341 | unsigned bpix = NBITS(panel_info.vl_bpix); |
c8d2febc NK |
342 | uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
343 | ushort *fb16; | |
8655b6f8 | 344 | |
2306457c NK |
345 | debug("Logo: width %d height %d colors %d\n", |
346 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 | 347 | |
317461c1 | 348 | if (bpix < 12) { |
8655b6f8 | 349 | WATCHDOG_RESET(); |
a02e9481 | 350 | lcd_logo_set_cmap(); |
8655b6f8 WD |
351 | WATCHDOG_RESET(); |
352 | ||
8f47d917 NK |
353 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
354 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 355 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 356 | fb += panel_info.vl_col; |
8655b6f8 WD |
357 | } |
358 | } | |
359 | else { /* true color mode */ | |
acb13868 | 360 | u16 col16; |
317461c1 | 361 | fb16 = (ushort *)fb; |
8f47d917 NK |
362 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
363 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
364 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
365 | fb16[j] = | |
366 | ((col16 & 0x000F) << 1) | | |
367 | ((col16 & 0x00F0) << 3) | | |
368 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
369 | } |
370 | bmap += BMP_LOGO_WIDTH; | |
371 | fb16 += panel_info.vl_col; | |
372 | } | |
373 | } | |
374 | ||
375 | WATCHDOG_RESET(); | |
9a8efc46 | 376 | lcd_sync(); |
8655b6f8 | 377 | } |
2b5cb3d3 | 378 | #else |
bf21a5de | 379 | static inline void lcd_logo_plot(int x, int y) {} |
8655b6f8 WD |
380 | #endif /* CONFIG_LCD_LOGO */ |
381 | ||
c3517f91 | 382 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
1ca298ce | 383 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
7c7e280a NK |
384 | |
385 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
386 | unsigned long picture_size) | |
387 | { | |
388 | unsigned long panel_picture_delta = panel_size - picture_size; | |
389 | unsigned long axis_alignment; | |
390 | ||
391 | if (*axis == BMP_ALIGN_CENTER) | |
392 | axis_alignment = panel_picture_delta / 2; | |
393 | else if (*axis < 0) | |
394 | axis_alignment = panel_picture_delta + *axis + 1; | |
395 | else | |
396 | return; | |
397 | ||
b4141195 | 398 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 399 | } |
1ca298ce MW |
400 | #endif |
401 | ||
45d7f525 | 402 | #ifdef CONFIG_LCD_BMP_RLE8 |
45d7f525 TWHT |
403 | #define BMP_RLE8_ESCAPE 0 |
404 | #define BMP_RLE8_EOL 0 | |
405 | #define BMP_RLE8_EOBMP 1 | |
406 | #define BMP_RLE8_DELTA 2 | |
407 | ||
408 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
409 | int cnt) | |
410 | { | |
411 | while (cnt > 0) { | |
412 | *(*fbp)++ = cmap[*bmap++]; | |
413 | cnt--; | |
414 | } | |
415 | } | |
416 | ||
417 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
418 | { | |
419 | ushort *fb = *fbp; | |
420 | int cnt_8copy = cnt >> 3; | |
421 | ||
422 | cnt -= cnt_8copy << 3; | |
423 | while (cnt_8copy > 0) { | |
424 | *fb++ = c; | |
425 | *fb++ = c; | |
426 | *fb++ = c; | |
427 | *fb++ = c; | |
428 | *fb++ = c; | |
429 | *fb++ = c; | |
430 | *fb++ = c; | |
431 | *fb++ = c; | |
432 | cnt_8copy--; | |
433 | } | |
434 | while (cnt > 0) { | |
435 | *fb++ = c; | |
436 | cnt--; | |
437 | } | |
6b035141 | 438 | *fbp = fb; |
45d7f525 TWHT |
439 | } |
440 | ||
441 | /* | |
6b035141 | 442 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 | 443 | */ |
1c3dbe56 SG |
444 | static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, |
445 | uchar *fb, int x_off, int y_off) | |
45d7f525 TWHT |
446 | { |
447 | uchar *bmap; | |
448 | ulong width, height; | |
449 | ulong cnt, runlen; | |
450 | int x, y; | |
451 | int decode = 1; | |
452 | ||
dca2a1c1 PM |
453 | width = get_unaligned_le32(&bmp->header.width); |
454 | height = get_unaligned_le32(&bmp->header.height); | |
455 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
456 | |
457 | x = 0; | |
458 | y = height - 1; | |
459 | ||
460 | while (decode) { | |
461 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
462 | switch (bmap[1]) { | |
463 | case BMP_RLE8_EOL: | |
464 | /* end of line */ | |
465 | bmap += 2; | |
466 | x = 0; | |
467 | y--; | |
468 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
469 | fb -= (width * 2 + lcd_line_length); | |
470 | break; | |
471 | case BMP_RLE8_EOBMP: | |
472 | /* end of bitmap */ | |
473 | decode = 0; | |
474 | break; | |
475 | case BMP_RLE8_DELTA: | |
476 | /* delta run */ | |
477 | x += bmap[2]; | |
478 | y -= bmap[3]; | |
479 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
480 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
481 | * lcd_line_length + (x + x_off) * 2); | |
482 | bmap += 4; | |
483 | break; | |
484 | default: | |
485 | /* unencoded run */ | |
486 | runlen = bmap[1]; | |
487 | bmap += 2; | |
488 | if (y < height) { | |
489 | if (x < width) { | |
490 | if (x + runlen > width) | |
491 | cnt = width - x; | |
492 | else | |
493 | cnt = runlen; | |
494 | draw_unencoded_bitmap( | |
495 | (ushort **)&fb, | |
496 | bmap, cmap, cnt); | |
497 | } | |
498 | x += runlen; | |
499 | } | |
500 | bmap += runlen; | |
501 | if (runlen & 1) | |
502 | bmap++; | |
503 | } | |
504 | } else { | |
505 | /* encoded run */ | |
506 | if (y < height) { | |
507 | runlen = bmap[0]; | |
508 | if (x < width) { | |
509 | /* aggregate the same code */ | |
510 | while (bmap[0] == 0xff && | |
511 | bmap[2] != BMP_RLE8_ESCAPE && | |
512 | bmap[1] == bmap[3]) { | |
513 | runlen += bmap[2]; | |
514 | bmap += 2; | |
515 | } | |
516 | if (x + runlen > width) | |
517 | cnt = width - x; | |
518 | else | |
519 | cnt = runlen; | |
520 | draw_encoded_bitmap((ushort **)&fb, | |
521 | cmap[bmap[1]], cnt); | |
522 | } | |
523 | x += runlen; | |
524 | } | |
525 | bmap += 2; | |
526 | } | |
527 | } | |
528 | } | |
529 | #endif | |
530 | ||
27fad01b NK |
531 | __weak void fb_put_byte(uchar **fb, uchar **from) |
532 | { | |
533 | *(*fb)++ = *(*from)++; | |
534 | } | |
bfdcc65e NK |
535 | |
536 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 537 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
538 | { |
539 | *(*fb)++ = *(*from)++; | |
540 | *(*fb)++ = *(*from)++; | |
541 | } | |
bfdcc65e NK |
542 | #endif /* CONFIG_BMP_16BPP */ |
543 | ||
1c3dbe56 | 544 | __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) |
0b29a896 NK |
545 | { |
546 | int i; | |
1c3dbe56 | 547 | struct bmp_color_table_entry cte; |
0b29a896 NK |
548 | ushort *cmap = configuration_get_cmap(); |
549 | ||
550 | for (i = 0; i < colors; ++i) { | |
551 | cte = bmp->color_table[i]; | |
552 | *cmap = (((cte.red) << 8) & 0xf800) | | |
553 | (((cte.green) << 3) & 0x07e0) | | |
554 | (((cte.blue) >> 3) & 0x001f); | |
0b29a896 | 555 | cmap++; |
0b29a896 NK |
556 | } |
557 | } | |
558 | ||
8655b6f8 WD |
559 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
560 | { | |
00cc5595 | 561 | ushort *cmap_base = NULL; |
8655b6f8 WD |
562 | ushort i, j; |
563 | uchar *fb; | |
1c3dbe56 | 564 | struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); |
8655b6f8 | 565 | uchar *bmap; |
fecac46c | 566 | ushort padded_width; |
b245e65e | 567 | unsigned long width, height, byte_width; |
e8143e72 | 568 | unsigned long pwidth = panel_info.vl_col; |
b245e65e | 569 | unsigned colors, bpix, bmp_bpix; |
8d379f17 | 570 | int hdr_size; |
021414a3 | 571 | struct bmp_color_table_entry *palette; |
8655b6f8 | 572 | |
6b035141 JH |
573 | if (!bmp || !(bmp->header.signature[0] == 'B' && |
574 | bmp->header.signature[1] == 'M')) { | |
8f47d917 NK |
575 | printf("Error: no valid bmp image at %lx\n", bmp_image); |
576 | ||
8655b6f8 | 577 | return 1; |
b245e65e | 578 | } |
8655b6f8 | 579 | |
021414a3 | 580 | palette = bmp->color_table; |
dca2a1c1 PM |
581 | width = get_unaligned_le32(&bmp->header.width); |
582 | height = get_unaligned_le32(&bmp->header.height); | |
583 | bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); | |
8d379f17 SG |
584 | hdr_size = get_unaligned_le16(&bmp->header.size); |
585 | debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix); | |
dca2a1c1 | 586 | |
b245e65e | 587 | colors = 1 << bmp_bpix; |
8655b6f8 WD |
588 | |
589 | bpix = NBITS(panel_info.vl_bpix); | |
590 | ||
6b035141 | 591 | if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65e GL |
592 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
593 | bpix, bmp_bpix); | |
8f47d917 | 594 | |
8655b6f8 WD |
595 | return 1; |
596 | } | |
597 | ||
a305fb15 HP |
598 | /* |
599 | * We support displaying 8bpp BMPs on 16bpp LCDs | |
600 | * and displaying 24bpp BMPs on 32bpp LCDs | |
601 | * */ | |
602 | if (bpix != bmp_bpix && | |
603 | !(bmp_bpix == 8 && bpix == 16) && | |
604 | !(bmp_bpix == 24 && bpix == 32)) { | |
8655b6f8 | 605 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
dca2a1c1 | 606 | bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f8 WD |
607 | return 1; |
608 | } | |
609 | ||
8d379f17 SG |
610 | debug("Display-bmp: %d x %d with %d colors, display %d\n", |
611 | (int)width, (int)height, (int)colors, 1 << bpix); | |
8655b6f8 | 612 | |
0b29a896 NK |
613 | if (bmp_bpix == 8) |
614 | lcd_set_cmap(bmp, colors); | |
e8143e72 | 615 | |
6b035141 | 616 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
617 | |
618 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
619 | splash_align_axis(&x, pwidth, width); |
620 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
621 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
622 | ||
8f47d917 | 623 | if ((x + width) > pwidth) |
e8143e72 | 624 | width = pwidth - x; |
8f47d917 | 625 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
626 | height = panel_info.vl_row - y; |
627 | ||
dca2a1c1 PM |
628 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
629 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 630 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 631 | |
b245e65e | 632 | switch (bmp_bpix) { |
c8d2febc | 633 | case 1: |
0156444c | 634 | case 8: { |
0b29a896 | 635 | cmap_base = configuration_get_cmap(); |
45d7f525 | 636 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 | 637 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
8d379f17 | 638 | debug("compressed %d %d\n", compression, BMP_BI_RLE8); |
dca2a1c1 | 639 | if (compression == BMP_BI_RLE8) { |
45d7f525 TWHT |
640 | if (bpix != 16) { |
641 | /* TODO implement render code for bpix != 16 */ | |
642 | printf("Error: only support 16 bpix"); | |
643 | return 1; | |
644 | } | |
645 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
646 | break; | |
647 | } | |
648 | #endif | |
649 | ||
b245e65e GL |
650 | if (bpix != 16) |
651 | byte_width = width; | |
652 | else | |
653 | byte_width = width * 2; | |
654 | ||
a303dfb0 MJ |
655 | for (i = 0; i < height; ++i) { |
656 | WATCHDOG_RESET(); | |
b245e65e GL |
657 | for (j = 0; j < width; j++) { |
658 | if (bpix != 16) { | |
27fad01b | 659 | fb_put_byte(&fb, &bmap); |
b245e65e | 660 | } else { |
8d379f17 SG |
661 | struct bmp_color_table_entry *entry; |
662 | uint val; | |
663 | ||
664 | if (cmap_base) { | |
665 | val = cmap_base[*bmap]; | |
666 | } else { | |
667 | entry = &palette[*bmap]; | |
668 | val = entry->blue >> 3 | | |
669 | entry->green >> 2 << 5 | | |
670 | entry->red >> 3 << 11; | |
671 | } | |
672 | *(uint16_t *)fb = val; | |
673 | bmap++; | |
b245e65e GL |
674 | fb += sizeof(uint16_t) / sizeof(*fb); |
675 | } | |
676 | } | |
fecac46c | 677 | bmap += (padded_width - width); |
6b035141 | 678 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
679 | } |
680 | break; | |
0156444c | 681 | } |
a303dfb0 MJ |
682 | #if defined(CONFIG_BMP_16BPP) |
683 | case 16: | |
684 | for (i = 0; i < height; ++i) { | |
685 | WATCHDOG_RESET(); | |
bfdcc65e NK |
686 | for (j = 0; j < width; j++) |
687 | fb_put_word(&fb, &bmap); | |
688 | ||
fecac46c | 689 | bmap += (padded_width - width) * 2; |
6b035141 | 690 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
691 | } |
692 | break; | |
693 | #endif /* CONFIG_BMP_16BPP */ | |
10ba6b33 | 694 | #if defined(CONFIG_BMP_24BPP) |
a305fb15 HP |
695 | case 24: |
696 | for (i = 0; i < height; ++i) { | |
697 | for (j = 0; j < width; j++) { | |
698 | *(fb++) = *(bmap++); | |
699 | *(fb++) = *(bmap++); | |
700 | *(fb++) = *(bmap++); | |
701 | *(fb++) = 0; | |
702 | } | |
703 | fb -= lcd_line_length + width * (bpix / 8); | |
704 | } | |
705 | break; | |
10ba6b33 | 706 | #endif /* CONFIG_BMP_24BPP */ |
fb6a9aab DL |
707 | #if defined(CONFIG_BMP_32BPP) |
708 | case 32: | |
709 | for (i = 0; i < height; ++i) { | |
710 | for (j = 0; j < width; j++) { | |
711 | *(fb++) = *(bmap++); | |
712 | *(fb++) = *(bmap++); | |
713 | *(fb++) = *(bmap++); | |
714 | *(fb++) = *(bmap++); | |
715 | } | |
6b035141 | 716 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
717 | } |
718 | break; | |
719 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
720 | default: |
721 | break; | |
722 | }; | |
8655b6f8 | 723 | |
9a8efc46 | 724 | lcd_sync(); |
8f47d917 | 725 | return 0; |
8655b6f8 | 726 | } |
c3517f91 | 727 | #endif |
8655b6f8 | 728 | |
7bf71d1f | 729 | static void lcd_logo(void) |
8655b6f8 | 730 | { |
bf21a5de | 731 | lcd_logo_plot(0, 0); |
8655b6f8 | 732 | |
6b59e03e | 733 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
734 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
735 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
736 | lcd_show_board_info(); |
737 | #endif /* CONFIG_LCD_INFO */ | |
8655b6f8 WD |
738 | } |
739 | ||
c0880485 NK |
740 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
741 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
742 | int flags) | |
743 | { | |
744 | ulong addr; | |
745 | int aligned; | |
746 | ||
747 | if (op == env_op_delete) | |
748 | return 0; | |
749 | ||
750 | addr = simple_strtoul(value, NULL, 16); | |
751 | /* See README.displaying-bmps */ | |
752 | aligned = (addr % 4 == 2); | |
753 | if (!aligned) { | |
754 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
755 | return -1; | |
756 | } | |
757 | ||
758 | return 0; | |
759 | } | |
760 | ||
761 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
762 | #endif | |
763 | ||
395166cf VB |
764 | int lcd_get_pixel_width(void) |
765 | { | |
766 | return panel_info.vl_col; | |
767 | } | |
768 | ||
769 | int lcd_get_pixel_height(void) | |
770 | { | |
771 | return panel_info.vl_row; | |
772 | } |