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Commit | Line | Data |
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8655b6f8 WD |
1 | /* |
2 | * Common LCD routines for supported CPUs | |
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 | ||
10 | /************************************************************************/ | |
11 | /* ** HEADER FILES */ | |
12 | /************************************************************************/ | |
13 | ||
14 | /* #define DEBUG */ | |
15 | ||
16 | #include <config.h> | |
17 | #include <common.h> | |
18 | #include <command.h> | |
8655b6f8 | 19 | #include <stdarg.h> |
c0880485 NK |
20 | #include <search.h> |
21 | #include <env_callback.h> | |
8655b6f8 | 22 | #include <linux/types.h> |
52cb4d4f | 23 | #include <stdio_dev.h> |
8655b6f8 WD |
24 | #if defined(CONFIG_POST) |
25 | #include <post.h> | |
26 | #endif | |
27 | #include <lcd.h> | |
8b0bfc68 | 28 | #include <watchdog.h> |
dca2a1c1 | 29 | #include <asm/unaligned.h> |
dd4425e8 | 30 | #include <splash.h> |
7d95f2a3 SG |
31 | #include <asm/io.h> |
32 | #include <asm/unaligned.h> | |
11b8dfa7 | 33 | #include <fdt_support.h> |
dd4425e8 | 34 | |
abc20aba MV |
35 | #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ |
36 | defined(CONFIG_CPU_MONAHANS) | |
8655b6f8 WD |
37 | #include <asm/byteorder.h> |
38 | #endif | |
39 | ||
40 | #if defined(CONFIG_MPC823) | |
8655b6f8 WD |
41 | #include <lcdvideo.h> |
42 | #endif | |
43 | ||
39cf4804 SP |
44 | #if defined(CONFIG_ATMEL_LCD) |
45 | #include <atmel_lcdc.h> | |
39cf4804 SP |
46 | #endif |
47 | ||
6a195d2d SW |
48 | #if defined(CONFIG_LCD_DT_SIMPLEFB) |
49 | #include <libfdt.h> | |
50 | #endif | |
51 | ||
8655b6f8 WD |
52 | /************************************************************************/ |
53 | /* ** FONT DATA */ | |
54 | /************************************************************************/ | |
55 | #include <video_font.h> /* Get font data, width and height */ | |
56 | ||
88804d19 WD |
57 | /************************************************************************/ |
58 | /* ** LOGO DATA */ | |
59 | /************************************************************************/ | |
60 | #ifdef CONFIG_LCD_LOGO | |
61 | # include <bmp_logo.h> /* Get logo data, width and height */ | |
c270730f | 62 | # include <bmp_logo_data.h> |
acb13868 | 63 | # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) |
88804d19 WD |
64 | # error Default Color Map overlaps with Logo Color Map |
65 | # endif | |
66 | #endif | |
8655b6f8 | 67 | |
7d95f2a3 SG |
68 | #ifdef CONFIG_SANDBOX |
69 | #include <asm/sdl.h> | |
70 | #endif | |
71 | ||
676d319e SG |
72 | #ifndef CONFIG_LCD_ALIGNMENT |
73 | #define CONFIG_LCD_ALIGNMENT PAGE_SIZE | |
74 | #endif | |
75 | ||
a7de2953 NK |
76 | #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
77 | (LCD_BPP != LCD_COLOR32) | |
a5796c51 JH |
78 | # error Unsupported LCD BPP. |
79 | #endif | |
80 | ||
d87080b7 | 81 | DECLARE_GLOBAL_DATA_PTR; |
8655b6f8 | 82 | |
8f47d917 | 83 | static int lcd_init(void *lcdbase); |
8655b6f8 | 84 | |
6b035141 | 85 | static void *lcd_logo(void); |
8655b6f8 | 86 | |
8f47d917 NK |
87 | static void lcd_setfgcolor(int color); |
88 | static void lcd_setbgcolor(int color); | |
8655b6f8 | 89 | |
46d1d5dd WD |
90 | static int lcd_color_fg; |
91 | static int lcd_color_bg; | |
f1d205a1 | 92 | int lcd_line_length; |
46d1d5dd | 93 | |
8655b6f8 | 94 | char lcd_is_enabled = 0; |
8655b6f8 | 95 | |
00a0ca59 | 96 | static void *lcd_base; /* Start of framebuffer memory */ |
9a8efc46 | 97 | |
9a8efc46 | 98 | static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
8655b6f8 WD |
99 | |
100 | /************************************************************************/ | |
101 | ||
9a8efc46 SG |
102 | /* Flush LCD activity to the caches */ |
103 | void lcd_sync(void) | |
104 | { | |
105 | /* | |
106 | * flush_dcache_range() is declared in common.h but it seems that some | |
107 | * architectures do not actually implement it. Is there a way to find | |
108 | * out whether it exists? For now, ARM is safe. | |
109 | */ | |
110 | #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) | |
111 | int line_length; | |
112 | ||
113 | if (lcd_flush_dcache) | |
114 | flush_dcache_range((u32)lcd_base, | |
115 | (u32)(lcd_base + lcd_get_size(&line_length))); | |
7d95f2a3 SG |
116 | #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) |
117 | static ulong last_sync; | |
118 | ||
119 | if (get_timer(last_sync) > 10) { | |
120 | sandbox_sdl_sync(lcd_base); | |
121 | last_sync = get_timer(0); | |
122 | } | |
9a8efc46 SG |
123 | #endif |
124 | } | |
125 | ||
126 | void lcd_set_flush_dcache(int flush) | |
127 | { | |
128 | lcd_flush_dcache = (flush != 0); | |
129 | } | |
130 | ||
8655b6f8 WD |
131 | /*----------------------------------------------------------------------*/ |
132 | ||
709ea543 SG |
133 | static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
134 | { | |
135 | lcd_putc(c); | |
136 | } | |
137 | ||
709ea543 SG |
138 | static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
139 | { | |
140 | lcd_puts(s); | |
141 | } | |
142 | ||
8655b6f8 WD |
143 | /************************************************************************/ |
144 | /** Small utility to check that you got the colours right */ | |
145 | /************************************************************************/ | |
146 | #ifdef LCD_TEST_PATTERN | |
147 | ||
148 | #define N_BLK_VERT 2 | |
149 | #define N_BLK_HOR 3 | |
150 | ||
6b035141 | 151 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
8655b6f8 WD |
152 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
153 | CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, | |
154 | }; | |
155 | ||
8f47d917 | 156 | static void test_pattern(void) |
8655b6f8 WD |
157 | { |
158 | ushort v_max = panel_info.vl_row; | |
159 | ushort h_max = panel_info.vl_col; | |
160 | ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; | |
161 | ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; | |
162 | ushort v, h; | |
163 | uchar *pix = (uchar *)lcd_base; | |
164 | ||
8f47d917 | 165 | printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
8655b6f8 WD |
166 | h_max, v_max, h_step, v_step); |
167 | ||
168 | /* WARNING: Code silently assumes 8bit/pixel */ | |
8f47d917 | 169 | for (v = 0; v < v_max; ++v) { |
8655b6f8 | 170 | uchar iy = v / v_step; |
8f47d917 | 171 | for (h = 0; h < h_max; ++h) { |
6b035141 | 172 | uchar ix = N_BLK_HOR * iy + h / h_step; |
8655b6f8 WD |
173 | *pix++ = test_colors[ix]; |
174 | } | |
175 | } | |
176 | } | |
177 | #endif /* LCD_TEST_PATTERN */ | |
178 | ||
179 | ||
180 | /************************************************************************/ | |
181 | /* ** GENERIC Initialization Routines */ | |
182 | /************************************************************************/ | |
cefa4717 AG |
183 | /* |
184 | * With most lcd drivers the line length is set up | |
185 | * by calculating it from panel_info parameters. Some | |
186 | * drivers need to calculate the line length differently, | |
187 | * so make the function weak to allow overriding it. | |
188 | */ | |
189 | __weak int lcd_get_size(int *line_length) | |
676d319e SG |
190 | { |
191 | *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; | |
192 | return *line_length * panel_info.vl_row; | |
193 | } | |
194 | ||
6b035141 | 195 | int drv_lcd_init(void) |
8655b6f8 | 196 | { |
52cb4d4f | 197 | struct stdio_dev lcddev; |
8655b6f8 WD |
198 | int rc; |
199 | ||
7d95f2a3 | 200 | lcd_base = map_sysmem(gd->fb_base, 0); |
8655b6f8 | 201 | |
8f47d917 | 202 | lcd_init(lcd_base); /* LCD initialization */ |
8655b6f8 WD |
203 | |
204 | /* Device initialization */ | |
8f47d917 | 205 | memset(&lcddev, 0, sizeof(lcddev)); |
8655b6f8 | 206 | |
8f47d917 | 207 | strcpy(lcddev.name, "lcd"); |
8655b6f8 WD |
208 | lcddev.ext = 0; /* No extensions */ |
209 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
709ea543 SG |
210 | lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
211 | lcddev.puts = lcd_stub_puts; /* 'puts' function */ | |
8655b6f8 | 212 | |
6b035141 | 213 | rc = stdio_register(&lcddev); |
8655b6f8 WD |
214 | |
215 | return (rc == 0) ? 1 : rc; | |
216 | } | |
217 | ||
218 | /*----------------------------------------------------------------------*/ | |
02110903 | 219 | void lcd_clear(void) |
8655b6f8 | 220 | { |
140beb94 | 221 | short console_rows, console_cols; |
4d03634e | 222 | int bg_color; |
f4469f50 | 223 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 224 | /* Setting the palette */ |
8f47d917 NK |
225 | lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
226 | lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
227 | lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
228 | lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
229 | lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
230 | lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
231 | lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
232 | lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
233 | lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
8655b6f8 WD |
234 | #endif |
235 | ||
6d0f6bcf | 236 | #ifndef CONFIG_SYS_WHITE_ON_BLACK |
8f47d917 NK |
237 | lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
238 | lcd_setbgcolor(CONSOLE_COLOR_WHITE); | |
4d03634e | 239 | bg_color = CONSOLE_COLOR_WHITE; |
8655b6f8 | 240 | #else |
8f47d917 NK |
241 | lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
242 | lcd_setbgcolor(CONSOLE_COLOR_BLACK); | |
4d03634e | 243 | bg_color = CONSOLE_COLOR_BLACK; |
6d0f6bcf | 244 | #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
8655b6f8 WD |
245 | |
246 | #ifdef LCD_TEST_PATTERN | |
247 | test_pattern(); | |
248 | #else | |
249 | /* set framebuffer to background color */ | |
57d76a89 | 250 | #if (LCD_BPP != LCD_COLOR32) |
4d03634e | 251 | memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
57d76a89 HP |
252 | #else |
253 | u32 *ppix = lcd_base; | |
254 | u32 i; | |
255 | for (i = 0; | |
256 | i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); | |
257 | i++) { | |
4d03634e | 258 | *ppix++ = bg_color; |
57d76a89 HP |
259 | } |
260 | #endif | |
8655b6f8 WD |
261 | #endif |
262 | /* Paint the logo and retrieve LCD base address */ | |
8f47d917 | 263 | debug("[LCD] Drawing the logo...\n"); |
efd7c4a2 NK |
264 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
265 | console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT); | |
266 | console_rows /= VIDEO_FONT_HEIGHT; | |
267 | #else | |
268 | console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT; | |
269 | #endif | |
270 | console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH; | |
2af13d6b | 271 | lcd_init_console(lcd_base, console_rows, console_cols); |
140beb94 | 272 | lcd_init_console(lcd_logo(), console_rows, console_cols); |
9a8efc46 SG |
273 | lcd_sync(); |
274 | } | |
275 | ||
276 | static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, | |
277 | char *const argv[]) | |
278 | { | |
279 | lcd_clear(); | |
280 | return 0; | |
8655b6f8 WD |
281 | } |
282 | ||
283 | U_BOOT_CMD( | |
02110903 | 284 | cls, 1, 1, do_lcd_clear, |
2fb2604d | 285 | "clear screen", |
a89c33db | 286 | "" |
8655b6f8 WD |
287 | ); |
288 | ||
289 | /*----------------------------------------------------------------------*/ | |
290 | ||
8f47d917 | 291 | static int lcd_init(void *lcdbase) |
8655b6f8 WD |
292 | { |
293 | /* Initialize the lcd controller */ | |
8f47d917 | 294 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8655b6f8 | 295 | |
8f47d917 | 296 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
297 | |
298 | /* | |
9316e144 | 299 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
300 | * the 'lcdbase' argument and uses custom lcd base address |
301 | * by setting up gd->fb_base. Check for this condition and fixup | |
302 | * 'lcd_base' address. | |
303 | */ | |
7d95f2a3 SG |
304 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
305 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
306 | |
307 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
308 | ||
6d330719 | 309 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 310 | lcd_is_enabled = 1; |
02110903 | 311 | lcd_clear(); |
6b035141 | 312 | lcd_enable(); |
8655b6f8 WD |
313 | |
314 | /* Initialize the console */ | |
140beb94 | 315 | lcd_set_col(0); |
88804d19 | 316 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 317 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 318 | #else |
140beb94 | 319 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 320 | #endif |
8655b6f8 WD |
321 | |
322 | return 0; | |
323 | } | |
324 | ||
325 | ||
326 | /************************************************************************/ | |
327 | /* ** ROM capable initialization part - needed to reserve FB memory */ | |
328 | /************************************************************************/ | |
329 | /* | |
330 | * This is called early in the system initialization to grab memory | |
331 | * for the LCD controller. | |
332 | * Returns new address for monitor, after reserving LCD buffer memory | |
333 | * | |
334 | * Note that this is running from ROM, so no write access to global data. | |
335 | */ | |
8f47d917 | 336 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
337 | { |
338 | ulong size; | |
676d319e | 339 | int line_length; |
8655b6f8 | 340 | |
8f47d917 NK |
341 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
342 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 343 | |
676d319e | 344 | size = lcd_get_size(&line_length); |
8655b6f8 | 345 | |
676d319e SG |
346 | /* Round up to nearest full page, or MMU section if defined */ |
347 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
348 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
349 | |
350 | /* Allocate pages for the frame buffer. */ | |
351 | addr -= size; | |
352 | ||
6b035141 JH |
353 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
354 | size >> 10, addr); | |
8655b6f8 | 355 | |
8f47d917 | 356 | return addr; |
8655b6f8 WD |
357 | } |
358 | ||
359 | /*----------------------------------------------------------------------*/ | |
360 | ||
8f47d917 | 361 | static void lcd_setfgcolor(int color) |
8655b6f8 | 362 | { |
39cf4804 | 363 | lcd_color_fg = color; |
8655b6f8 WD |
364 | } |
365 | ||
4d03634e NK |
366 | int lcd_getfgcolor(void) |
367 | { | |
368 | return lcd_color_fg; | |
369 | } | |
370 | ||
8655b6f8 WD |
371 | /*----------------------------------------------------------------------*/ |
372 | ||
8f47d917 | 373 | static void lcd_setbgcolor(int color) |
8655b6f8 | 374 | { |
39cf4804 | 375 | lcd_color_bg = color; |
8655b6f8 WD |
376 | } |
377 | ||
4d03634e NK |
378 | int lcd_getbgcolor(void) |
379 | { | |
380 | return lcd_color_bg; | |
381 | } | |
382 | ||
8655b6f8 WD |
383 | /************************************************************************/ |
384 | /* ** Chipset depending Bitmap / Logo stuff... */ | |
385 | /************************************************************************/ | |
203c37b8 | 386 | |
8655b6f8 | 387 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
388 | __weak void lcd_logo_set_cmap(void) |
389 | { | |
2306457c NK |
390 | int i; |
391 | ushort *cmap = configuration_get_cmap(); | |
392 | ||
393 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
394 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
395 | } |
396 | ||
8f47d917 | 397 | void bitmap_plot(int x, int y) |
8655b6f8 | 398 | { |
8655b6f8 WD |
399 | ushort i, j; |
400 | uchar *bmap; | |
401 | uchar *fb; | |
402 | ushort *fb16; | |
317461c1 | 403 | unsigned bpix = NBITS(panel_info.vl_bpix); |
8655b6f8 | 404 | |
2306457c NK |
405 | debug("Logo: width %d height %d colors %d\n", |
406 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 WD |
407 | |
408 | bmap = &bmp_logo_bitmap[0]; | |
317461c1 | 409 | fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
8655b6f8 | 410 | |
317461c1 | 411 | if (bpix < 12) { |
8655b6f8 | 412 | WATCHDOG_RESET(); |
a02e9481 | 413 | lcd_logo_set_cmap(); |
8655b6f8 WD |
414 | WATCHDOG_RESET(); |
415 | ||
8f47d917 NK |
416 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
417 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 418 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 419 | fb += panel_info.vl_col; |
8655b6f8 WD |
420 | } |
421 | } | |
422 | else { /* true color mode */ | |
acb13868 | 423 | u16 col16; |
317461c1 | 424 | fb16 = (ushort *)fb; |
8f47d917 NK |
425 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
426 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
427 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
428 | fb16[j] = | |
429 | ((col16 & 0x000F) << 1) | | |
430 | ((col16 & 0x00F0) << 3) | | |
431 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
432 | } |
433 | bmap += BMP_LOGO_WIDTH; | |
434 | fb16 += panel_info.vl_col; | |
435 | } | |
436 | } | |
437 | ||
438 | WATCHDOG_RESET(); | |
9a8efc46 | 439 | lcd_sync(); |
8655b6f8 | 440 | } |
2b5cb3d3 AG |
441 | #else |
442 | static inline void bitmap_plot(int x, int y) {} | |
8655b6f8 WD |
443 | #endif /* CONFIG_LCD_LOGO */ |
444 | ||
445 | /*----------------------------------------------------------------------*/ | |
c3517f91 | 446 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
8655b6f8 WD |
447 | /* |
448 | * Display the BMP file located at address bmp_image. | |
449 | * Only uncompressed. | |
450 | */ | |
1ca298ce MW |
451 | |
452 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
453 | #define BMP_ALIGN_CENTER 0x7FFF | |
7c7e280a NK |
454 | |
455 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
456 | unsigned long picture_size) | |
457 | { | |
458 | unsigned long panel_picture_delta = panel_size - picture_size; | |
459 | unsigned long axis_alignment; | |
460 | ||
461 | if (*axis == BMP_ALIGN_CENTER) | |
462 | axis_alignment = panel_picture_delta / 2; | |
463 | else if (*axis < 0) | |
464 | axis_alignment = panel_picture_delta + *axis + 1; | |
465 | else | |
466 | return; | |
467 | ||
b4141195 | 468 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 469 | } |
1ca298ce MW |
470 | #endif |
471 | ||
45d7f525 TWHT |
472 | |
473 | #ifdef CONFIG_LCD_BMP_RLE8 | |
474 | ||
475 | #define BMP_RLE8_ESCAPE 0 | |
476 | #define BMP_RLE8_EOL 0 | |
477 | #define BMP_RLE8_EOBMP 1 | |
478 | #define BMP_RLE8_DELTA 2 | |
479 | ||
480 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
481 | int cnt) | |
482 | { | |
483 | while (cnt > 0) { | |
484 | *(*fbp)++ = cmap[*bmap++]; | |
485 | cnt--; | |
486 | } | |
487 | } | |
488 | ||
489 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
490 | { | |
491 | ushort *fb = *fbp; | |
492 | int cnt_8copy = cnt >> 3; | |
493 | ||
494 | cnt -= cnt_8copy << 3; | |
495 | while (cnt_8copy > 0) { | |
496 | *fb++ = c; | |
497 | *fb++ = c; | |
498 | *fb++ = c; | |
499 | *fb++ = c; | |
500 | *fb++ = c; | |
501 | *fb++ = c; | |
502 | *fb++ = c; | |
503 | *fb++ = c; | |
504 | cnt_8copy--; | |
505 | } | |
506 | while (cnt > 0) { | |
507 | *fb++ = c; | |
508 | cnt--; | |
509 | } | |
6b035141 | 510 | *fbp = fb; |
45d7f525 TWHT |
511 | } |
512 | ||
513 | /* | |
6b035141 | 514 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 TWHT |
515 | */ |
516 | static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, | |
517 | int x_off, int y_off) | |
518 | { | |
519 | uchar *bmap; | |
520 | ulong width, height; | |
521 | ulong cnt, runlen; | |
522 | int x, y; | |
523 | int decode = 1; | |
524 | ||
dca2a1c1 PM |
525 | width = get_unaligned_le32(&bmp->header.width); |
526 | height = get_unaligned_le32(&bmp->header.height); | |
527 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
528 | |
529 | x = 0; | |
530 | y = height - 1; | |
531 | ||
532 | while (decode) { | |
533 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
534 | switch (bmap[1]) { | |
535 | case BMP_RLE8_EOL: | |
536 | /* end of line */ | |
537 | bmap += 2; | |
538 | x = 0; | |
539 | y--; | |
540 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
541 | fb -= (width * 2 + lcd_line_length); | |
542 | break; | |
543 | case BMP_RLE8_EOBMP: | |
544 | /* end of bitmap */ | |
545 | decode = 0; | |
546 | break; | |
547 | case BMP_RLE8_DELTA: | |
548 | /* delta run */ | |
549 | x += bmap[2]; | |
550 | y -= bmap[3]; | |
551 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
552 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
553 | * lcd_line_length + (x + x_off) * 2); | |
554 | bmap += 4; | |
555 | break; | |
556 | default: | |
557 | /* unencoded run */ | |
558 | runlen = bmap[1]; | |
559 | bmap += 2; | |
560 | if (y < height) { | |
561 | if (x < width) { | |
562 | if (x + runlen > width) | |
563 | cnt = width - x; | |
564 | else | |
565 | cnt = runlen; | |
566 | draw_unencoded_bitmap( | |
567 | (ushort **)&fb, | |
568 | bmap, cmap, cnt); | |
569 | } | |
570 | x += runlen; | |
571 | } | |
572 | bmap += runlen; | |
573 | if (runlen & 1) | |
574 | bmap++; | |
575 | } | |
576 | } else { | |
577 | /* encoded run */ | |
578 | if (y < height) { | |
579 | runlen = bmap[0]; | |
580 | if (x < width) { | |
581 | /* aggregate the same code */ | |
582 | while (bmap[0] == 0xff && | |
583 | bmap[2] != BMP_RLE8_ESCAPE && | |
584 | bmap[1] == bmap[3]) { | |
585 | runlen += bmap[2]; | |
586 | bmap += 2; | |
587 | } | |
588 | if (x + runlen > width) | |
589 | cnt = width - x; | |
590 | else | |
591 | cnt = runlen; | |
592 | draw_encoded_bitmap((ushort **)&fb, | |
593 | cmap[bmap[1]], cnt); | |
594 | } | |
595 | x += runlen; | |
596 | } | |
597 | bmap += 2; | |
598 | } | |
599 | } | |
600 | } | |
601 | #endif | |
602 | ||
27fad01b NK |
603 | __weak void fb_put_byte(uchar **fb, uchar **from) |
604 | { | |
605 | *(*fb)++ = *(*from)++; | |
606 | } | |
bfdcc65e NK |
607 | |
608 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 609 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
610 | { |
611 | *(*fb)++ = *(*from)++; | |
612 | *(*fb)++ = *(*from)++; | |
613 | } | |
bfdcc65e NK |
614 | #endif /* CONFIG_BMP_16BPP */ |
615 | ||
8655b6f8 WD |
616 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
617 | { | |
00cc5595 | 618 | ushort *cmap = NULL; |
00cc5595 | 619 | ushort *cmap_base = NULL; |
8655b6f8 WD |
620 | ushort i, j; |
621 | uchar *fb; | |
7d95f2a3 | 622 | bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0); |
8655b6f8 | 623 | uchar *bmap; |
fecac46c | 624 | ushort padded_width; |
b245e65e | 625 | unsigned long width, height, byte_width; |
e8143e72 | 626 | unsigned long pwidth = panel_info.vl_col; |
b245e65e | 627 | unsigned colors, bpix, bmp_bpix; |
8655b6f8 | 628 | |
6b035141 JH |
629 | if (!bmp || !(bmp->header.signature[0] == 'B' && |
630 | bmp->header.signature[1] == 'M')) { | |
8f47d917 NK |
631 | printf("Error: no valid bmp image at %lx\n", bmp_image); |
632 | ||
8655b6f8 | 633 | return 1; |
b245e65e | 634 | } |
8655b6f8 | 635 | |
dca2a1c1 PM |
636 | width = get_unaligned_le32(&bmp->header.width); |
637 | height = get_unaligned_le32(&bmp->header.height); | |
638 | bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); | |
639 | ||
b245e65e | 640 | colors = 1 << bmp_bpix; |
8655b6f8 WD |
641 | |
642 | bpix = NBITS(panel_info.vl_bpix); | |
643 | ||
6b035141 | 644 | if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
b245e65e GL |
645 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
646 | bpix, bmp_bpix); | |
8f47d917 | 647 | |
8655b6f8 WD |
648 | return 1; |
649 | } | |
650 | ||
a305fb15 HP |
651 | /* |
652 | * We support displaying 8bpp BMPs on 16bpp LCDs | |
653 | * and displaying 24bpp BMPs on 32bpp LCDs | |
654 | * */ | |
655 | if (bpix != bmp_bpix && | |
656 | !(bmp_bpix == 8 && bpix == 16) && | |
657 | !(bmp_bpix == 24 && bpix == 32)) { | |
8655b6f8 | 658 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
dca2a1c1 | 659 | bpix, get_unaligned_le16(&bmp->header.bit_count)); |
8655b6f8 WD |
660 | return 1; |
661 | } | |
662 | ||
8f47d917 | 663 | debug("Display-bmp: %d x %d with %d colors\n", |
8655b6f8 WD |
664 | (int)width, (int)height, (int)colors); |
665 | ||
b245e65e | 666 | if (bmp_bpix == 8) { |
203c37b8 | 667 | cmap = configuration_get_cmap(); |
b245e65e GL |
668 | cmap_base = cmap; |
669 | ||
8655b6f8 | 670 | /* Set color map */ |
8f47d917 | 671 | for (i = 0; i < colors; ++i) { |
8655b6f8 | 672 | bmp_color_table_entry_t cte = bmp->color_table[i]; |
1464eff7 | 673 | #if !defined(CONFIG_ATMEL_LCD) |
8655b6f8 WD |
674 | ushort colreg = |
675 | ( ((cte.red) << 8) & 0xf800) | | |
59d80bf1 WD |
676 | ( ((cte.green) << 3) & 0x07e0) | |
677 | ( ((cte.blue) >> 3) & 0x001f) ; | |
25d6712a | 678 | *cmap = colreg; |
b245e65e | 679 | #if defined(CONFIG_MPC823) |
25d6712a | 680 | cmap--; |
b245e65e GL |
681 | #else |
682 | cmap++; | |
1464eff7 MJ |
683 | #endif |
684 | #else /* CONFIG_ATMEL_LCD */ | |
685 | lcd_setcolreg(i, cte.red, cte.green, cte.blue); | |
8655b6f8 WD |
686 | #endif |
687 | } | |
688 | } | |
e8143e72 | 689 | |
6b035141 | 690 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
691 | |
692 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
693 | splash_align_axis(&x, pwidth, width); |
694 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
695 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
696 | ||
8f47d917 | 697 | if ((x + width) > pwidth) |
e8143e72 | 698 | width = pwidth - x; |
8f47d917 | 699 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
700 | height = panel_info.vl_row - y; |
701 | ||
dca2a1c1 PM |
702 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
703 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 704 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 705 | |
b245e65e | 706 | switch (bmp_bpix) { |
a303dfb0 | 707 | case 1: /* pass through */ |
0156444c | 708 | case 8: { |
45d7f525 | 709 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 PM |
710 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
711 | if (compression == BMP_BI_RLE8) { | |
45d7f525 TWHT |
712 | if (bpix != 16) { |
713 | /* TODO implement render code for bpix != 16 */ | |
714 | printf("Error: only support 16 bpix"); | |
715 | return 1; | |
716 | } | |
717 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
718 | break; | |
719 | } | |
720 | #endif | |
721 | ||
b245e65e GL |
722 | if (bpix != 16) |
723 | byte_width = width; | |
724 | else | |
725 | byte_width = width * 2; | |
726 | ||
a303dfb0 MJ |
727 | for (i = 0; i < height; ++i) { |
728 | WATCHDOG_RESET(); | |
b245e65e GL |
729 | for (j = 0; j < width; j++) { |
730 | if (bpix != 16) { | |
27fad01b | 731 | fb_put_byte(&fb, &bmap); |
b245e65e GL |
732 | } else { |
733 | *(uint16_t *)fb = cmap_base[*(bmap++)]; | |
734 | fb += sizeof(uint16_t) / sizeof(*fb); | |
735 | } | |
736 | } | |
fecac46c | 737 | bmap += (padded_width - width); |
6b035141 | 738 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
739 | } |
740 | break; | |
0156444c | 741 | } |
a303dfb0 MJ |
742 | #if defined(CONFIG_BMP_16BPP) |
743 | case 16: | |
744 | for (i = 0; i < height; ++i) { | |
745 | WATCHDOG_RESET(); | |
bfdcc65e NK |
746 | for (j = 0; j < width; j++) |
747 | fb_put_word(&fb, &bmap); | |
748 | ||
fecac46c | 749 | bmap += (padded_width - width) * 2; |
6b035141 | 750 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
751 | } |
752 | break; | |
753 | #endif /* CONFIG_BMP_16BPP */ | |
a305fb15 HP |
754 | #if defined(CONFIG_BMP_24BMP) |
755 | case 24: | |
756 | for (i = 0; i < height; ++i) { | |
757 | for (j = 0; j < width; j++) { | |
758 | *(fb++) = *(bmap++); | |
759 | *(fb++) = *(bmap++); | |
760 | *(fb++) = *(bmap++); | |
761 | *(fb++) = 0; | |
762 | } | |
763 | fb -= lcd_line_length + width * (bpix / 8); | |
764 | } | |
765 | break; | |
766 | #endif /* CONFIG_BMP_24BMP */ | |
fb6a9aab DL |
767 | #if defined(CONFIG_BMP_32BPP) |
768 | case 32: | |
769 | for (i = 0; i < height; ++i) { | |
770 | for (j = 0; j < width; j++) { | |
771 | *(fb++) = *(bmap++); | |
772 | *(fb++) = *(bmap++); | |
773 | *(fb++) = *(bmap++); | |
774 | *(fb++) = *(bmap++); | |
775 | } | |
6b035141 | 776 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
777 | } |
778 | break; | |
779 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
780 | default: |
781 | break; | |
782 | }; | |
8655b6f8 | 783 | |
9a8efc46 | 784 | lcd_sync(); |
8f47d917 | 785 | return 0; |
8655b6f8 | 786 | } |
c3517f91 | 787 | #endif |
8655b6f8 | 788 | |
8f47d917 | 789 | static void *lcd_logo(void) |
8655b6f8 | 790 | { |
8655b6f8 WD |
791 | #ifdef CONFIG_SPLASH_SCREEN |
792 | char *s; | |
793 | ulong addr; | |
794 | static int do_splash = 1; | |
795 | ||
796 | if (do_splash && (s = getenv("splashimage")) != NULL) { | |
1ca298ce | 797 | int x = 0, y = 0; |
8655b6f8 WD |
798 | do_splash = 0; |
799 | ||
581bb419 | 800 | if (splash_screen_prepare()) |
dd4425e8 | 801 | return (void *)lcd_base; |
581bb419 | 802 | |
1ca298ce | 803 | addr = simple_strtoul (s, NULL, 16); |
ff8fb56b AG |
804 | |
805 | splash_get_pos(&x, &y); | |
1ca298ce | 806 | |
d3a555ed | 807 | if (bmp_display(addr, x, y) == 0) |
8f47d917 | 808 | return (void *)lcd_base; |
8655b6f8 WD |
809 | } |
810 | #endif /* CONFIG_SPLASH_SCREEN */ | |
811 | ||
2b5cb3d3 | 812 | bitmap_plot(0, 0); |
8655b6f8 | 813 | |
6b59e03e | 814 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
815 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
816 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
817 | lcd_show_board_info(); |
818 | #endif /* CONFIG_LCD_INFO */ | |
39cf4804 | 819 | |
88804d19 | 820 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
8f47d917 | 821 | return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); |
8655b6f8 | 822 | #else |
8f47d917 | 823 | return (void *)lcd_base; |
6b035141 | 824 | #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */ |
8655b6f8 WD |
825 | } |
826 | ||
c0880485 NK |
827 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
828 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
829 | int flags) | |
830 | { | |
831 | ulong addr; | |
832 | int aligned; | |
833 | ||
834 | if (op == env_op_delete) | |
835 | return 0; | |
836 | ||
837 | addr = simple_strtoul(value, NULL, 16); | |
838 | /* See README.displaying-bmps */ | |
839 | aligned = (addr % 4 == 2); | |
840 | if (!aligned) { | |
841 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
842 | return -1; | |
843 | } | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
848 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
849 | #endif | |
850 | ||
395166cf VB |
851 | int lcd_get_pixel_width(void) |
852 | { | |
853 | return panel_info.vl_col; | |
854 | } | |
855 | ||
856 | int lcd_get_pixel_height(void) | |
857 | { | |
858 | return panel_info.vl_row; | |
859 | } | |
860 | ||
6a195d2d SW |
861 | #if defined(CONFIG_LCD_DT_SIMPLEFB) |
862 | static int lcd_dt_simplefb_configure_node(void *blob, int off) | |
863 | { | |
6a195d2d | 864 | #if LCD_BPP == LCD_COLOR16 |
11b8dfa7 HG |
865 | return fdt_setup_simplefb_node(blob, off, gd->fb_base, |
866 | panel_info.vl_col, panel_info.vl_row, | |
867 | panel_info.vl_col * 2, "r5g6b5"); | |
6a195d2d | 868 | #else |
11b8dfa7 | 869 | return -1; |
6a195d2d | 870 | #endif |
6a195d2d SW |
871 | } |
872 | ||
873 | int lcd_dt_simplefb_add_node(void *blob) | |
874 | { | |
5af7d0f0 SW |
875 | static const char compat[] = "simple-framebuffer"; |
876 | static const char disabled[] = "disabled"; | |
6a195d2d SW |
877 | int off, ret; |
878 | ||
879 | off = fdt_add_subnode(blob, 0, "framebuffer"); | |
880 | if (off < 0) | |
881 | return -1; | |
882 | ||
883 | ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled)); | |
884 | if (ret < 0) | |
885 | return -1; | |
886 | ||
887 | ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat)); | |
888 | if (ret < 0) | |
889 | return -1; | |
890 | ||
891 | return lcd_dt_simplefb_configure_node(blob, off); | |
892 | } | |
893 | ||
894 | int lcd_dt_simplefb_enable_existing_node(void *blob) | |
895 | { | |
896 | int off; | |
897 | ||
898 | off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer"); | |
899 | if (off < 0) | |
900 | return -1; | |
901 | ||
902 | return lcd_dt_simplefb_configure_node(blob, off); | |
903 | } | |
904 | #endif |