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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 | */ | |
10015025 | 64 | #if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) |
9a8efc46 SG |
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; |
5eb83c0a | 174 | __maybe_unused ulong addr; |
7bf71d1f | 175 | static int do_splash = 1; |
f4469f50 | 176 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 177 | /* Setting the palette */ |
8f47d917 NK |
178 | lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
179 | lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
180 | lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
181 | lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
182 | lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
183 | lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
184 | lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
185 | lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
186 | lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
8655b6f8 WD |
187 | #endif |
188 | ||
6d0f6bcf | 189 | #ifndef CONFIG_SYS_WHITE_ON_BLACK |
8f47d917 NK |
190 | lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
191 | lcd_setbgcolor(CONSOLE_COLOR_WHITE); | |
4d03634e | 192 | bg_color = CONSOLE_COLOR_WHITE; |
8655b6f8 | 193 | #else |
8f47d917 NK |
194 | lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
195 | lcd_setbgcolor(CONSOLE_COLOR_BLACK); | |
4d03634e | 196 | bg_color = CONSOLE_COLOR_BLACK; |
6d0f6bcf | 197 | #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
8655b6f8 WD |
198 | |
199 | #ifdef LCD_TEST_PATTERN | |
200 | test_pattern(); | |
201 | #else | |
202 | /* set framebuffer to background color */ | |
57d76a89 | 203 | #if (LCD_BPP != LCD_COLOR32) |
4d03634e | 204 | memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
57d76a89 HP |
205 | #else |
206 | u32 *ppix = lcd_base; | |
207 | u32 i; | |
208 | for (i = 0; | |
209 | i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); | |
210 | i++) { | |
4d03634e | 211 | *ppix++ = bg_color; |
57d76a89 HP |
212 | } |
213 | #endif | |
8655b6f8 | 214 | #endif |
604c7d4a HP |
215 | /* setup text-console */ |
216 | debug("[LCD] setting up console...\n"); | |
217 | lcd_init_console(lcd_base, | |
218 | panel_info.vl_col, | |
219 | panel_info.vl_row, | |
220 | panel_info.vl_rot); | |
8655b6f8 | 221 | /* Paint the logo and retrieve LCD base address */ |
8f47d917 | 222 | debug("[LCD] Drawing the logo...\n"); |
7bf71d1f | 223 | if (do_splash) { |
5eb83c0a | 224 | if (splash_display() == 0) { |
7bf71d1f | 225 | do_splash = 0; |
5eb83c0a IO |
226 | lcd_sync(); |
227 | return; | |
7bf71d1f NK |
228 | } |
229 | } | |
230 | ||
231 | lcd_logo(); | |
232 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) | |
233 | addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; | |
3b96b909 MZ |
234 | lcd_init_console((void *)addr, panel_info.vl_col, |
235 | panel_info.vl_row, panel_info.vl_rot); | |
7bf71d1f | 236 | #endif |
9a8efc46 SG |
237 | lcd_sync(); |
238 | } | |
239 | ||
8f47d917 | 240 | static int lcd_init(void *lcdbase) |
8655b6f8 | 241 | { |
8f47d917 | 242 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8f47d917 | 243 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
244 | |
245 | /* | |
9316e144 | 246 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
247 | * the 'lcdbase' argument and uses custom lcd base address |
248 | * by setting up gd->fb_base. Check for this condition and fixup | |
249 | * 'lcd_base' address. | |
250 | */ | |
7d95f2a3 SG |
251 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
252 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
253 | |
254 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
255 | ||
6d330719 | 256 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 257 | lcd_is_enabled = 1; |
02110903 | 258 | lcd_clear(); |
6b035141 | 259 | lcd_enable(); |
8655b6f8 WD |
260 | |
261 | /* Initialize the console */ | |
140beb94 | 262 | lcd_set_col(0); |
88804d19 | 263 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 264 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 265 | #else |
140beb94 | 266 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 267 | #endif |
8655b6f8 WD |
268 | |
269 | return 0; | |
270 | } | |
271 | ||
8655b6f8 WD |
272 | /* |
273 | * This is called early in the system initialization to grab memory | |
274 | * for the LCD controller. | |
275 | * Returns new address for monitor, after reserving LCD buffer memory | |
276 | * | |
277 | * Note that this is running from ROM, so no write access to global data. | |
278 | */ | |
8f47d917 | 279 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
280 | { |
281 | ulong size; | |
676d319e | 282 | int line_length; |
8655b6f8 | 283 | |
8f47d917 NK |
284 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
285 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 286 | |
676d319e | 287 | size = lcd_get_size(&line_length); |
8655b6f8 | 288 | |
676d319e SG |
289 | /* Round up to nearest full page, or MMU section if defined */ |
290 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
291 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
292 | |
293 | /* Allocate pages for the frame buffer. */ | |
294 | addr -= size; | |
295 | ||
6b035141 JH |
296 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
297 | size >> 10, addr); | |
8655b6f8 | 298 | |
8f47d917 | 299 | return addr; |
8655b6f8 WD |
300 | } |
301 | ||
8f47d917 | 302 | static void lcd_setfgcolor(int color) |
8655b6f8 | 303 | { |
39cf4804 | 304 | lcd_color_fg = color; |
8655b6f8 WD |
305 | } |
306 | ||
4d03634e NK |
307 | int lcd_getfgcolor(void) |
308 | { | |
309 | return lcd_color_fg; | |
310 | } | |
311 | ||
8f47d917 | 312 | static void lcd_setbgcolor(int color) |
8655b6f8 | 313 | { |
39cf4804 | 314 | lcd_color_bg = color; |
8655b6f8 WD |
315 | } |
316 | ||
4d03634e NK |
317 | int lcd_getbgcolor(void) |
318 | { | |
319 | return lcd_color_bg; | |
320 | } | |
321 | ||
8655b6f8 | 322 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
323 | __weak void lcd_logo_set_cmap(void) |
324 | { | |
2306457c NK |
325 | int i; |
326 | ushort *cmap = configuration_get_cmap(); | |
327 | ||
328 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
329 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
330 | } |
331 | ||
bf21a5de | 332 | void lcd_logo_plot(int x, int y) |
8655b6f8 | 333 | { |
8655b6f8 | 334 | ushort i, j; |
c8d2febc | 335 | uchar *bmap = &bmp_logo_bitmap[0]; |
317461c1 | 336 | unsigned bpix = NBITS(panel_info.vl_bpix); |
c8d2febc NK |
337 | uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
338 | ushort *fb16; | |
8655b6f8 | 339 | |
2306457c NK |
340 | debug("Logo: width %d height %d colors %d\n", |
341 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 | 342 | |
317461c1 | 343 | if (bpix < 12) { |
8655b6f8 | 344 | WATCHDOG_RESET(); |
a02e9481 | 345 | lcd_logo_set_cmap(); |
8655b6f8 WD |
346 | WATCHDOG_RESET(); |
347 | ||
8f47d917 NK |
348 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
349 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 350 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 351 | fb += panel_info.vl_col; |
8655b6f8 WD |
352 | } |
353 | } | |
354 | else { /* true color mode */ | |
acb13868 | 355 | u16 col16; |
317461c1 | 356 | fb16 = (ushort *)fb; |
8f47d917 NK |
357 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
358 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
359 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
360 | fb16[j] = | |
361 | ((col16 & 0x000F) << 1) | | |
362 | ((col16 & 0x00F0) << 3) | | |
363 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
364 | } |
365 | bmap += BMP_LOGO_WIDTH; | |
366 | fb16 += panel_info.vl_col; | |
367 | } | |
368 | } | |
369 | ||
370 | WATCHDOG_RESET(); | |
9a8efc46 | 371 | lcd_sync(); |
8655b6f8 | 372 | } |
2b5cb3d3 | 373 | #else |
bf21a5de | 374 | static inline void lcd_logo_plot(int x, int y) {} |
8655b6f8 WD |
375 | #endif /* CONFIG_LCD_LOGO */ |
376 | ||
c3517f91 | 377 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
1ca298ce | 378 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
7c7e280a NK |
379 | |
380 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
381 | unsigned long picture_size) | |
382 | { | |
383 | unsigned long panel_picture_delta = panel_size - picture_size; | |
384 | unsigned long axis_alignment; | |
385 | ||
386 | if (*axis == BMP_ALIGN_CENTER) | |
387 | axis_alignment = panel_picture_delta / 2; | |
388 | else if (*axis < 0) | |
389 | axis_alignment = panel_picture_delta + *axis + 1; | |
390 | else | |
391 | return; | |
392 | ||
b4141195 | 393 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 394 | } |
1ca298ce MW |
395 | #endif |
396 | ||
45d7f525 | 397 | #ifdef CONFIG_LCD_BMP_RLE8 |
45d7f525 TWHT |
398 | #define BMP_RLE8_ESCAPE 0 |
399 | #define BMP_RLE8_EOL 0 | |
400 | #define BMP_RLE8_EOBMP 1 | |
401 | #define BMP_RLE8_DELTA 2 | |
402 | ||
403 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
404 | int cnt) | |
405 | { | |
406 | while (cnt > 0) { | |
407 | *(*fbp)++ = cmap[*bmap++]; | |
408 | cnt--; | |
409 | } | |
410 | } | |
411 | ||
412 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
413 | { | |
414 | ushort *fb = *fbp; | |
415 | int cnt_8copy = cnt >> 3; | |
416 | ||
417 | cnt -= cnt_8copy << 3; | |
418 | while (cnt_8copy > 0) { | |
419 | *fb++ = c; | |
420 | *fb++ = c; | |
421 | *fb++ = c; | |
422 | *fb++ = c; | |
423 | *fb++ = c; | |
424 | *fb++ = c; | |
425 | *fb++ = c; | |
426 | *fb++ = c; | |
427 | cnt_8copy--; | |
428 | } | |
429 | while (cnt > 0) { | |
430 | *fb++ = c; | |
431 | cnt--; | |
432 | } | |
6b035141 | 433 | *fbp = fb; |
45d7f525 TWHT |
434 | } |
435 | ||
436 | /* | |
6b035141 | 437 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 | 438 | */ |
1c3dbe56 SG |
439 | static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, |
440 | uchar *fb, int x_off, int y_off) | |
45d7f525 TWHT |
441 | { |
442 | uchar *bmap; | |
443 | ulong width, height; | |
444 | ulong cnt, runlen; | |
445 | int x, y; | |
446 | int decode = 1; | |
447 | ||
dca2a1c1 PM |
448 | width = get_unaligned_le32(&bmp->header.width); |
449 | height = get_unaligned_le32(&bmp->header.height); | |
450 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
451 | |
452 | x = 0; | |
453 | y = height - 1; | |
454 | ||
455 | while (decode) { | |
456 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
457 | switch (bmap[1]) { | |
458 | case BMP_RLE8_EOL: | |
459 | /* end of line */ | |
460 | bmap += 2; | |
461 | x = 0; | |
462 | y--; | |
463 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
464 | fb -= (width * 2 + lcd_line_length); | |
465 | break; | |
466 | case BMP_RLE8_EOBMP: | |
467 | /* end of bitmap */ | |
468 | decode = 0; | |
469 | break; | |
470 | case BMP_RLE8_DELTA: | |
471 | /* delta run */ | |
472 | x += bmap[2]; | |
473 | y -= bmap[3]; | |
474 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
475 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
476 | * lcd_line_length + (x + x_off) * 2); | |
477 | bmap += 4; | |
478 | break; | |
479 | default: | |
480 | /* unencoded run */ | |
481 | runlen = bmap[1]; | |
482 | bmap += 2; | |
483 | if (y < height) { | |
484 | if (x < width) { | |
485 | if (x + runlen > width) | |
486 | cnt = width - x; | |
487 | else | |
488 | cnt = runlen; | |
489 | draw_unencoded_bitmap( | |
490 | (ushort **)&fb, | |
491 | bmap, cmap, cnt); | |
492 | } | |
493 | x += runlen; | |
494 | } | |
495 | bmap += runlen; | |
496 | if (runlen & 1) | |
497 | bmap++; | |
498 | } | |
499 | } else { | |
500 | /* encoded run */ | |
501 | if (y < height) { | |
502 | runlen = bmap[0]; | |
503 | if (x < width) { | |
504 | /* aggregate the same code */ | |
505 | while (bmap[0] == 0xff && | |
506 | bmap[2] != BMP_RLE8_ESCAPE && | |
507 | bmap[1] == bmap[3]) { | |
508 | runlen += bmap[2]; | |
509 | bmap += 2; | |
510 | } | |
511 | if (x + runlen > width) | |
512 | cnt = width - x; | |
513 | else | |
514 | cnt = runlen; | |
515 | draw_encoded_bitmap((ushort **)&fb, | |
516 | cmap[bmap[1]], cnt); | |
517 | } | |
518 | x += runlen; | |
519 | } | |
520 | bmap += 2; | |
521 | } | |
522 | } | |
523 | } | |
524 | #endif | |
525 | ||
27fad01b NK |
526 | __weak void fb_put_byte(uchar **fb, uchar **from) |
527 | { | |
528 | *(*fb)++ = *(*from)++; | |
529 | } | |
bfdcc65e NK |
530 | |
531 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 532 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
533 | { |
534 | *(*fb)++ = *(*from)++; | |
535 | *(*fb)++ = *(*from)++; | |
536 | } | |
bfdcc65e NK |
537 | #endif /* CONFIG_BMP_16BPP */ |
538 | ||
1c3dbe56 | 539 | __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) |
0b29a896 NK |
540 | { |
541 | int i; | |
1c3dbe56 | 542 | struct bmp_color_table_entry cte; |
0b29a896 NK |
543 | ushort *cmap = configuration_get_cmap(); |
544 | ||
545 | for (i = 0; i < colors; ++i) { | |
546 | cte = bmp->color_table[i]; | |
547 | *cmap = (((cte.red) << 8) & 0xf800) | | |
548 | (((cte.green) << 3) & 0x07e0) | | |
549 | (((cte.blue) >> 3) & 0x001f); | |
0b29a896 | 550 | cmap++; |
0b29a896 NK |
551 | } |
552 | } | |
553 | ||
8655b6f8 WD |
554 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
555 | { | |
00cc5595 | 556 | ushort *cmap_base = NULL; |
8655b6f8 WD |
557 | ushort i, j; |
558 | uchar *fb; | |
1c3dbe56 | 559 | struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); |
8655b6f8 | 560 | uchar *bmap; |
fecac46c | 561 | ushort padded_width; |
b245e65e | 562 | unsigned long width, height, byte_width; |
e8143e72 | 563 | unsigned long pwidth = panel_info.vl_col; |
b245e65e | 564 | unsigned colors, bpix, bmp_bpix; |
8d379f17 | 565 | int hdr_size; |
021414a3 | 566 | struct bmp_color_table_entry *palette; |
8655b6f8 | 567 | |
6b035141 JH |
568 | if (!bmp || !(bmp->header.signature[0] == 'B' && |
569 | bmp->header.signature[1] == 'M')) { | |
8f47d917 NK |
570 | printf("Error: no valid bmp image at %lx\n", bmp_image); |
571 | ||
8655b6f8 | 572 | return 1; |
b245e65e | 573 | } |
8655b6f8 | 574 | |
021414a3 | 575 | palette = bmp->color_table; |
dca2a1c1 PM |
576 | width = get_unaligned_le32(&bmp->header.width); |
577 | height = get_unaligned_le32(&bmp->header.height); | |
578 | bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); | |
8d379f17 SG |
579 | hdr_size = get_unaligned_le16(&bmp->header.size); |
580 | debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix); | |
dca2a1c1 | 581 | |
b245e65e | 582 | colors = 1 << bmp_bpix; |
8655b6f8 WD |
583 | |
584 | bpix = NBITS(panel_info.vl_bpix); | |
585 | ||
6b035141 | 586 | if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65e GL |
587 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
588 | bpix, bmp_bpix); | |
8f47d917 | 589 | |
8655b6f8 WD |
590 | return 1; |
591 | } | |
592 | ||
a305fb15 HP |
593 | /* |
594 | * We support displaying 8bpp BMPs on 16bpp LCDs | |
595 | * and displaying 24bpp BMPs on 32bpp LCDs | |
596 | * */ | |
597 | if (bpix != bmp_bpix && | |
598 | !(bmp_bpix == 8 && bpix == 16) && | |
599 | !(bmp_bpix == 24 && bpix == 32)) { | |
8655b6f8 | 600 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
dca2a1c1 | 601 | bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f8 WD |
602 | return 1; |
603 | } | |
604 | ||
8d379f17 SG |
605 | debug("Display-bmp: %d x %d with %d colors, display %d\n", |
606 | (int)width, (int)height, (int)colors, 1 << bpix); | |
8655b6f8 | 607 | |
0b29a896 NK |
608 | if (bmp_bpix == 8) |
609 | lcd_set_cmap(bmp, colors); | |
e8143e72 | 610 | |
6b035141 | 611 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
612 | |
613 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
614 | splash_align_axis(&x, pwidth, width); |
615 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
616 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
617 | ||
8f47d917 | 618 | if ((x + width) > pwidth) |
e8143e72 | 619 | width = pwidth - x; |
8f47d917 | 620 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
621 | height = panel_info.vl_row - y; |
622 | ||
dca2a1c1 PM |
623 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
624 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 625 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 626 | |
b245e65e | 627 | switch (bmp_bpix) { |
c8d2febc | 628 | case 1: |
0156444c | 629 | case 8: { |
0b29a896 | 630 | cmap_base = configuration_get_cmap(); |
45d7f525 | 631 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 | 632 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
8d379f17 | 633 | debug("compressed %d %d\n", compression, BMP_BI_RLE8); |
dca2a1c1 | 634 | if (compression == BMP_BI_RLE8) { |
45d7f525 TWHT |
635 | if (bpix != 16) { |
636 | /* TODO implement render code for bpix != 16 */ | |
637 | printf("Error: only support 16 bpix"); | |
638 | return 1; | |
639 | } | |
640 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
641 | break; | |
642 | } | |
643 | #endif | |
644 | ||
b245e65e GL |
645 | if (bpix != 16) |
646 | byte_width = width; | |
647 | else | |
648 | byte_width = width * 2; | |
649 | ||
a303dfb0 MJ |
650 | for (i = 0; i < height; ++i) { |
651 | WATCHDOG_RESET(); | |
b245e65e GL |
652 | for (j = 0; j < width; j++) { |
653 | if (bpix != 16) { | |
27fad01b | 654 | fb_put_byte(&fb, &bmap); |
b245e65e | 655 | } else { |
8d379f17 SG |
656 | struct bmp_color_table_entry *entry; |
657 | uint val; | |
658 | ||
659 | if (cmap_base) { | |
660 | val = cmap_base[*bmap]; | |
661 | } else { | |
662 | entry = &palette[*bmap]; | |
663 | val = entry->blue >> 3 | | |
664 | entry->green >> 2 << 5 | | |
665 | entry->red >> 3 << 11; | |
666 | } | |
667 | *(uint16_t *)fb = val; | |
668 | bmap++; | |
b245e65e GL |
669 | fb += sizeof(uint16_t) / sizeof(*fb); |
670 | } | |
671 | } | |
fecac46c | 672 | bmap += (padded_width - width); |
6b035141 | 673 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
674 | } |
675 | break; | |
0156444c | 676 | } |
a303dfb0 MJ |
677 | #if defined(CONFIG_BMP_16BPP) |
678 | case 16: | |
679 | for (i = 0; i < height; ++i) { | |
680 | WATCHDOG_RESET(); | |
bfdcc65e NK |
681 | for (j = 0; j < width; j++) |
682 | fb_put_word(&fb, &bmap); | |
683 | ||
fecac46c | 684 | bmap += (padded_width - width) * 2; |
6b035141 | 685 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
686 | } |
687 | break; | |
688 | #endif /* CONFIG_BMP_16BPP */ | |
10ba6b33 | 689 | #if defined(CONFIG_BMP_24BPP) |
a305fb15 HP |
690 | case 24: |
691 | for (i = 0; i < height; ++i) { | |
692 | for (j = 0; j < width; j++) { | |
693 | *(fb++) = *(bmap++); | |
694 | *(fb++) = *(bmap++); | |
695 | *(fb++) = *(bmap++); | |
696 | *(fb++) = 0; | |
697 | } | |
698 | fb -= lcd_line_length + width * (bpix / 8); | |
699 | } | |
700 | break; | |
10ba6b33 | 701 | #endif /* CONFIG_BMP_24BPP */ |
fb6a9aab DL |
702 | #if defined(CONFIG_BMP_32BPP) |
703 | case 32: | |
704 | for (i = 0; i < height; ++i) { | |
705 | for (j = 0; j < width; j++) { | |
706 | *(fb++) = *(bmap++); | |
707 | *(fb++) = *(bmap++); | |
708 | *(fb++) = *(bmap++); | |
709 | *(fb++) = *(bmap++); | |
710 | } | |
6b035141 | 711 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
712 | } |
713 | break; | |
714 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
715 | default: |
716 | break; | |
717 | }; | |
8655b6f8 | 718 | |
9a8efc46 | 719 | lcd_sync(); |
8f47d917 | 720 | return 0; |
8655b6f8 | 721 | } |
c3517f91 | 722 | #endif |
8655b6f8 | 723 | |
7bf71d1f | 724 | static void lcd_logo(void) |
8655b6f8 | 725 | { |
bf21a5de | 726 | lcd_logo_plot(0, 0); |
8655b6f8 | 727 | |
6b59e03e | 728 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
729 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
730 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
731 | lcd_show_board_info(); |
732 | #endif /* CONFIG_LCD_INFO */ | |
8655b6f8 WD |
733 | } |
734 | ||
c0880485 NK |
735 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
736 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
737 | int flags) | |
738 | { | |
739 | ulong addr; | |
740 | int aligned; | |
741 | ||
742 | if (op == env_op_delete) | |
743 | return 0; | |
744 | ||
745 | addr = simple_strtoul(value, NULL, 16); | |
746 | /* See README.displaying-bmps */ | |
747 | aligned = (addr % 4 == 2); | |
748 | if (!aligned) { | |
749 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
750 | return -1; | |
751 | } | |
752 | ||
753 | return 0; | |
754 | } | |
755 | ||
756 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
757 | #endif | |
758 | ||
395166cf VB |
759 | int lcd_get_pixel_width(void) |
760 | { | |
761 | return panel_info.vl_col; | |
762 | } | |
763 | ||
764 | int lcd_get_pixel_height(void) | |
765 | { | |
766 | return panel_info.vl_row; | |
767 | } |