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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> | |
c0880485 | 19 | #include <env_callback.h> |
8655b6f8 | 20 | #include <linux/types.h> |
52cb4d4f | 21 | #include <stdio_dev.h> |
8655b6f8 | 22 | #include <lcd.h> |
8b0bfc68 | 23 | #include <watchdog.h> |
dca2a1c1 | 24 | #include <asm/unaligned.h> |
dd4425e8 | 25 | #include <splash.h> |
7d95f2a3 SG |
26 | #include <asm/io.h> |
27 | #include <asm/unaligned.h> | |
11b8dfa7 | 28 | #include <fdt_support.h> |
dd4425e8 | 29 | |
6a195d2d SW |
30 | #if defined(CONFIG_LCD_DT_SIMPLEFB) |
31 | #include <libfdt.h> | |
32 | #endif | |
33 | ||
8655b6f8 WD |
34 | /************************************************************************/ |
35 | /* ** FONT DATA */ | |
36 | /************************************************************************/ | |
37 | #include <video_font.h> /* Get font data, width and height */ | |
38 | ||
88804d19 WD |
39 | /************************************************************************/ |
40 | /* ** LOGO DATA */ | |
41 | /************************************************************************/ | |
42 | #ifdef CONFIG_LCD_LOGO | |
43 | # include <bmp_logo.h> /* Get logo data, width and height */ | |
c270730f | 44 | # include <bmp_logo_data.h> |
acb13868 | 45 | # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) |
88804d19 WD |
46 | # error Default Color Map overlaps with Logo Color Map |
47 | # endif | |
48 | #endif | |
8655b6f8 | 49 | |
7d95f2a3 SG |
50 | #ifdef CONFIG_SANDBOX |
51 | #include <asm/sdl.h> | |
52 | #endif | |
53 | ||
676d319e SG |
54 | #ifndef CONFIG_LCD_ALIGNMENT |
55 | #define CONFIG_LCD_ALIGNMENT PAGE_SIZE | |
56 | #endif | |
57 | ||
a7de2953 NK |
58 | #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
59 | (LCD_BPP != LCD_COLOR32) | |
a5796c51 JH |
60 | # error Unsupported LCD BPP. |
61 | #endif | |
62 | ||
d87080b7 | 63 | DECLARE_GLOBAL_DATA_PTR; |
8655b6f8 | 64 | |
8f47d917 | 65 | static int lcd_init(void *lcdbase); |
8655b6f8 | 66 | |
6b035141 | 67 | static void *lcd_logo(void); |
8655b6f8 | 68 | |
8f47d917 NK |
69 | static void lcd_setfgcolor(int color); |
70 | static void lcd_setbgcolor(int color); | |
8655b6f8 | 71 | |
46d1d5dd WD |
72 | static int lcd_color_fg; |
73 | static int lcd_color_bg; | |
f1d205a1 | 74 | int lcd_line_length; |
46d1d5dd | 75 | |
8655b6f8 | 76 | char lcd_is_enabled = 0; |
8655b6f8 | 77 | |
00a0ca59 | 78 | static void *lcd_base; /* Start of framebuffer memory */ |
9a8efc46 | 79 | |
9a8efc46 | 80 | static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
8655b6f8 WD |
81 | |
82 | /************************************************************************/ | |
83 | ||
9a8efc46 SG |
84 | /* Flush LCD activity to the caches */ |
85 | void lcd_sync(void) | |
86 | { | |
87 | /* | |
88 | * flush_dcache_range() is declared in common.h but it seems that some | |
89 | * architectures do not actually implement it. Is there a way to find | |
90 | * out whether it exists? For now, ARM is safe. | |
91 | */ | |
92 | #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) | |
93 | int line_length; | |
94 | ||
95 | if (lcd_flush_dcache) | |
96 | flush_dcache_range((u32)lcd_base, | |
97 | (u32)(lcd_base + lcd_get_size(&line_length))); | |
7d95f2a3 SG |
98 | #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) |
99 | static ulong last_sync; | |
100 | ||
101 | if (get_timer(last_sync) > 10) { | |
102 | sandbox_sdl_sync(lcd_base); | |
103 | last_sync = get_timer(0); | |
104 | } | |
9a8efc46 SG |
105 | #endif |
106 | } | |
107 | ||
108 | void lcd_set_flush_dcache(int flush) | |
109 | { | |
110 | lcd_flush_dcache = (flush != 0); | |
111 | } | |
112 | ||
8655b6f8 WD |
113 | /*----------------------------------------------------------------------*/ |
114 | ||
709ea543 SG |
115 | static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
116 | { | |
117 | lcd_putc(c); | |
118 | } | |
119 | ||
709ea543 SG |
120 | static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
121 | { | |
122 | lcd_puts(s); | |
123 | } | |
124 | ||
8655b6f8 WD |
125 | /************************************************************************/ |
126 | /** Small utility to check that you got the colours right */ | |
127 | /************************************************************************/ | |
128 | #ifdef LCD_TEST_PATTERN | |
129 | ||
130 | #define N_BLK_VERT 2 | |
131 | #define N_BLK_HOR 3 | |
132 | ||
6b035141 | 133 | static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
8655b6f8 WD |
134 | CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
135 | CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, | |
136 | }; | |
137 | ||
8f47d917 | 138 | static void test_pattern(void) |
8655b6f8 WD |
139 | { |
140 | ushort v_max = panel_info.vl_row; | |
141 | ushort h_max = panel_info.vl_col; | |
142 | ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; | |
143 | ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; | |
144 | ushort v, h; | |
145 | uchar *pix = (uchar *)lcd_base; | |
146 | ||
8f47d917 | 147 | printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
8655b6f8 WD |
148 | h_max, v_max, h_step, v_step); |
149 | ||
150 | /* WARNING: Code silently assumes 8bit/pixel */ | |
8f47d917 | 151 | for (v = 0; v < v_max; ++v) { |
8655b6f8 | 152 | uchar iy = v / v_step; |
8f47d917 | 153 | for (h = 0; h < h_max; ++h) { |
6b035141 | 154 | uchar ix = N_BLK_HOR * iy + h / h_step; |
8655b6f8 WD |
155 | *pix++ = test_colors[ix]; |
156 | } | |
157 | } | |
158 | } | |
159 | #endif /* LCD_TEST_PATTERN */ | |
160 | ||
161 | ||
162 | /************************************************************************/ | |
163 | /* ** GENERIC Initialization Routines */ | |
164 | /************************************************************************/ | |
cefa4717 AG |
165 | /* |
166 | * With most lcd drivers the line length is set up | |
167 | * by calculating it from panel_info parameters. Some | |
168 | * drivers need to calculate the line length differently, | |
169 | * so make the function weak to allow overriding it. | |
170 | */ | |
171 | __weak int lcd_get_size(int *line_length) | |
676d319e SG |
172 | { |
173 | *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; | |
174 | return *line_length * panel_info.vl_row; | |
175 | } | |
176 | ||
6b035141 | 177 | int drv_lcd_init(void) |
8655b6f8 | 178 | { |
52cb4d4f | 179 | struct stdio_dev lcddev; |
8655b6f8 WD |
180 | int rc; |
181 | ||
7d95f2a3 | 182 | lcd_base = map_sysmem(gd->fb_base, 0); |
8655b6f8 | 183 | |
8f47d917 | 184 | lcd_init(lcd_base); /* LCD initialization */ |
8655b6f8 WD |
185 | |
186 | /* Device initialization */ | |
8f47d917 | 187 | memset(&lcddev, 0, sizeof(lcddev)); |
8655b6f8 | 188 | |
8f47d917 | 189 | strcpy(lcddev.name, "lcd"); |
8655b6f8 WD |
190 | lcddev.ext = 0; /* No extensions */ |
191 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
709ea543 SG |
192 | lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
193 | lcddev.puts = lcd_stub_puts; /* 'puts' function */ | |
8655b6f8 | 194 | |
6b035141 | 195 | rc = stdio_register(&lcddev); |
8655b6f8 WD |
196 | |
197 | return (rc == 0) ? 1 : rc; | |
198 | } | |
199 | ||
200 | /*----------------------------------------------------------------------*/ | |
02110903 | 201 | void lcd_clear(void) |
8655b6f8 | 202 | { |
140beb94 | 203 | short console_rows, console_cols; |
4d03634e | 204 | int bg_color; |
f4469f50 | 205 | #if LCD_BPP == LCD_COLOR8 |
8655b6f8 | 206 | /* Setting the palette */ |
8f47d917 NK |
207 | lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
208 | lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
209 | lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
210 | lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
211 | lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
212 | lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
213 | lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
214 | lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
215 | lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
8655b6f8 WD |
216 | #endif |
217 | ||
6d0f6bcf | 218 | #ifndef CONFIG_SYS_WHITE_ON_BLACK |
8f47d917 NK |
219 | lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
220 | lcd_setbgcolor(CONSOLE_COLOR_WHITE); | |
4d03634e | 221 | bg_color = CONSOLE_COLOR_WHITE; |
8655b6f8 | 222 | #else |
8f47d917 NK |
223 | lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
224 | lcd_setbgcolor(CONSOLE_COLOR_BLACK); | |
4d03634e | 225 | bg_color = CONSOLE_COLOR_BLACK; |
6d0f6bcf | 226 | #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
8655b6f8 WD |
227 | |
228 | #ifdef LCD_TEST_PATTERN | |
229 | test_pattern(); | |
230 | #else | |
231 | /* set framebuffer to background color */ | |
57d76a89 | 232 | #if (LCD_BPP != LCD_COLOR32) |
4d03634e | 233 | memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
57d76a89 HP |
234 | #else |
235 | u32 *ppix = lcd_base; | |
236 | u32 i; | |
237 | for (i = 0; | |
238 | i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); | |
239 | i++) { | |
4d03634e | 240 | *ppix++ = bg_color; |
57d76a89 HP |
241 | } |
242 | #endif | |
8655b6f8 WD |
243 | #endif |
244 | /* Paint the logo and retrieve LCD base address */ | |
8f47d917 | 245 | debug("[LCD] Drawing the logo...\n"); |
efd7c4a2 NK |
246 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
247 | console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT); | |
248 | console_rows /= VIDEO_FONT_HEIGHT; | |
249 | #else | |
250 | console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT; | |
251 | #endif | |
252 | console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH; | |
2af13d6b | 253 | lcd_init_console(lcd_base, console_rows, console_cols); |
140beb94 | 254 | lcd_init_console(lcd_logo(), console_rows, console_cols); |
9a8efc46 SG |
255 | lcd_sync(); |
256 | } | |
257 | ||
258 | static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, | |
259 | char *const argv[]) | |
260 | { | |
261 | lcd_clear(); | |
262 | return 0; | |
8655b6f8 WD |
263 | } |
264 | ||
265 | U_BOOT_CMD( | |
02110903 | 266 | cls, 1, 1, do_lcd_clear, |
2fb2604d | 267 | "clear screen", |
a89c33db | 268 | "" |
8655b6f8 WD |
269 | ); |
270 | ||
271 | /*----------------------------------------------------------------------*/ | |
272 | ||
8f47d917 | 273 | static int lcd_init(void *lcdbase) |
8655b6f8 WD |
274 | { |
275 | /* Initialize the lcd controller */ | |
8f47d917 | 276 | debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
8655b6f8 | 277 | |
8f47d917 | 278 | lcd_ctrl_init(lcdbase); |
1d3dea12 AG |
279 | |
280 | /* | |
9316e144 | 281 | * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
1d3dea12 AG |
282 | * the 'lcdbase' argument and uses custom lcd base address |
283 | * by setting up gd->fb_base. Check for this condition and fixup | |
284 | * 'lcd_base' address. | |
285 | */ | |
7d95f2a3 SG |
286 | if (map_to_sysmem(lcdbase) != gd->fb_base) |
287 | lcd_base = map_sysmem(gd->fb_base, 0); | |
1d3dea12 AG |
288 | |
289 | debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); | |
290 | ||
6d330719 | 291 | lcd_get_size(&lcd_line_length); |
6f93d2b8 | 292 | lcd_is_enabled = 1; |
02110903 | 293 | lcd_clear(); |
6b035141 | 294 | lcd_enable(); |
8655b6f8 WD |
295 | |
296 | /* Initialize the console */ | |
140beb94 | 297 | lcd_set_col(0); |
88804d19 | 298 | #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
140beb94 | 299 | lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
8655b6f8 | 300 | #else |
140beb94 | 301 | lcd_set_row(1); /* leave 1 blank line below logo */ |
8655b6f8 | 302 | #endif |
8655b6f8 WD |
303 | |
304 | return 0; | |
305 | } | |
306 | ||
307 | ||
308 | /************************************************************************/ | |
309 | /* ** ROM capable initialization part - needed to reserve FB memory */ | |
310 | /************************************************************************/ | |
311 | /* | |
312 | * This is called early in the system initialization to grab memory | |
313 | * for the LCD controller. | |
314 | * Returns new address for monitor, after reserving LCD buffer memory | |
315 | * | |
316 | * Note that this is running from ROM, so no write access to global data. | |
317 | */ | |
8f47d917 | 318 | ulong lcd_setmem(ulong addr) |
8655b6f8 WD |
319 | { |
320 | ulong size; | |
676d319e | 321 | int line_length; |
8655b6f8 | 322 | |
8f47d917 NK |
323 | debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
324 | panel_info.vl_row, NBITS(panel_info.vl_bpix)); | |
8655b6f8 | 325 | |
676d319e | 326 | size = lcd_get_size(&line_length); |
8655b6f8 | 327 | |
676d319e SG |
328 | /* Round up to nearest full page, or MMU section if defined */ |
329 | size = ALIGN(size, CONFIG_LCD_ALIGNMENT); | |
330 | addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); | |
8655b6f8 WD |
331 | |
332 | /* Allocate pages for the frame buffer. */ | |
333 | addr -= size; | |
334 | ||
6b035141 JH |
335 | debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
336 | size >> 10, addr); | |
8655b6f8 | 337 | |
8f47d917 | 338 | return addr; |
8655b6f8 WD |
339 | } |
340 | ||
341 | /*----------------------------------------------------------------------*/ | |
342 | ||
8f47d917 | 343 | static void lcd_setfgcolor(int color) |
8655b6f8 | 344 | { |
39cf4804 | 345 | lcd_color_fg = color; |
8655b6f8 WD |
346 | } |
347 | ||
4d03634e NK |
348 | int lcd_getfgcolor(void) |
349 | { | |
350 | return lcd_color_fg; | |
351 | } | |
352 | ||
8655b6f8 WD |
353 | /*----------------------------------------------------------------------*/ |
354 | ||
8f47d917 | 355 | static void lcd_setbgcolor(int color) |
8655b6f8 | 356 | { |
39cf4804 | 357 | lcd_color_bg = color; |
8655b6f8 WD |
358 | } |
359 | ||
4d03634e NK |
360 | int lcd_getbgcolor(void) |
361 | { | |
362 | return lcd_color_bg; | |
363 | } | |
364 | ||
8655b6f8 WD |
365 | /************************************************************************/ |
366 | /* ** Chipset depending Bitmap / Logo stuff... */ | |
367 | /************************************************************************/ | |
203c37b8 | 368 | |
8655b6f8 | 369 | #ifdef CONFIG_LCD_LOGO |
a02e9481 NK |
370 | __weak void lcd_logo_set_cmap(void) |
371 | { | |
2306457c NK |
372 | int i; |
373 | ushort *cmap = configuration_get_cmap(); | |
374 | ||
375 | for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) | |
376 | *cmap++ = bmp_logo_palette[i]; | |
a02e9481 NK |
377 | } |
378 | ||
8f47d917 | 379 | void bitmap_plot(int x, int y) |
8655b6f8 | 380 | { |
8655b6f8 WD |
381 | ushort i, j; |
382 | uchar *bmap; | |
383 | uchar *fb; | |
384 | ushort *fb16; | |
317461c1 | 385 | unsigned bpix = NBITS(panel_info.vl_bpix); |
8655b6f8 | 386 | |
2306457c NK |
387 | debug("Logo: width %d height %d colors %d\n", |
388 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); | |
8655b6f8 WD |
389 | |
390 | bmap = &bmp_logo_bitmap[0]; | |
317461c1 | 391 | fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
8655b6f8 | 392 | |
317461c1 | 393 | if (bpix < 12) { |
8655b6f8 | 394 | WATCHDOG_RESET(); |
a02e9481 | 395 | lcd_logo_set_cmap(); |
8655b6f8 WD |
396 | WATCHDOG_RESET(); |
397 | ||
8f47d917 NK |
398 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
399 | memcpy(fb, bmap, BMP_LOGO_WIDTH); | |
8655b6f8 | 400 | bmap += BMP_LOGO_WIDTH; |
6b035141 | 401 | fb += panel_info.vl_col; |
8655b6f8 WD |
402 | } |
403 | } | |
404 | else { /* true color mode */ | |
acb13868 | 405 | u16 col16; |
317461c1 | 406 | fb16 = (ushort *)fb; |
8f47d917 NK |
407 | for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
408 | for (j = 0; j < BMP_LOGO_WIDTH; j++) { | |
acb13868 AR |
409 | col16 = bmp_logo_palette[(bmap[j]-16)]; |
410 | fb16[j] = | |
411 | ((col16 & 0x000F) << 1) | | |
412 | ((col16 & 0x00F0) << 3) | | |
413 | ((col16 & 0x0F00) << 4); | |
8655b6f8 WD |
414 | } |
415 | bmap += BMP_LOGO_WIDTH; | |
416 | fb16 += panel_info.vl_col; | |
417 | } | |
418 | } | |
419 | ||
420 | WATCHDOG_RESET(); | |
9a8efc46 | 421 | lcd_sync(); |
8655b6f8 | 422 | } |
2b5cb3d3 AG |
423 | #else |
424 | static inline void bitmap_plot(int x, int y) {} | |
8655b6f8 WD |
425 | #endif /* CONFIG_LCD_LOGO */ |
426 | ||
427 | /*----------------------------------------------------------------------*/ | |
c3517f91 | 428 | #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
8655b6f8 WD |
429 | /* |
430 | * Display the BMP file located at address bmp_image. | |
431 | * Only uncompressed. | |
432 | */ | |
1ca298ce MW |
433 | |
434 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
435 | #define BMP_ALIGN_CENTER 0x7FFF | |
7c7e280a NK |
436 | |
437 | static void splash_align_axis(int *axis, unsigned long panel_size, | |
438 | unsigned long picture_size) | |
439 | { | |
440 | unsigned long panel_picture_delta = panel_size - picture_size; | |
441 | unsigned long axis_alignment; | |
442 | ||
443 | if (*axis == BMP_ALIGN_CENTER) | |
444 | axis_alignment = panel_picture_delta / 2; | |
445 | else if (*axis < 0) | |
446 | axis_alignment = panel_picture_delta + *axis + 1; | |
447 | else | |
448 | return; | |
449 | ||
b4141195 | 450 | *axis = max(0, (int)axis_alignment); |
7c7e280a | 451 | } |
1ca298ce MW |
452 | #endif |
453 | ||
45d7f525 TWHT |
454 | |
455 | #ifdef CONFIG_LCD_BMP_RLE8 | |
456 | ||
457 | #define BMP_RLE8_ESCAPE 0 | |
458 | #define BMP_RLE8_EOL 0 | |
459 | #define BMP_RLE8_EOBMP 1 | |
460 | #define BMP_RLE8_DELTA 2 | |
461 | ||
462 | static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, | |
463 | int cnt) | |
464 | { | |
465 | while (cnt > 0) { | |
466 | *(*fbp)++ = cmap[*bmap++]; | |
467 | cnt--; | |
468 | } | |
469 | } | |
470 | ||
471 | static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) | |
472 | { | |
473 | ushort *fb = *fbp; | |
474 | int cnt_8copy = cnt >> 3; | |
475 | ||
476 | cnt -= cnt_8copy << 3; | |
477 | while (cnt_8copy > 0) { | |
478 | *fb++ = c; | |
479 | *fb++ = c; | |
480 | *fb++ = c; | |
481 | *fb++ = c; | |
482 | *fb++ = c; | |
483 | *fb++ = c; | |
484 | *fb++ = c; | |
485 | *fb++ = c; | |
486 | cnt_8copy--; | |
487 | } | |
488 | while (cnt > 0) { | |
489 | *fb++ = c; | |
490 | cnt--; | |
491 | } | |
6b035141 | 492 | *fbp = fb; |
45d7f525 TWHT |
493 | } |
494 | ||
495 | /* | |
6b035141 | 496 | * Do not call this function directly, must be called from lcd_display_bitmap. |
45d7f525 TWHT |
497 | */ |
498 | static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, | |
499 | int x_off, int y_off) | |
500 | { | |
501 | uchar *bmap; | |
502 | ulong width, height; | |
503 | ulong cnt, runlen; | |
504 | int x, y; | |
505 | int decode = 1; | |
506 | ||
dca2a1c1 PM |
507 | width = get_unaligned_le32(&bmp->header.width); |
508 | height = get_unaligned_le32(&bmp->header.height); | |
509 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); | |
45d7f525 TWHT |
510 | |
511 | x = 0; | |
512 | y = height - 1; | |
513 | ||
514 | while (decode) { | |
515 | if (bmap[0] == BMP_RLE8_ESCAPE) { | |
516 | switch (bmap[1]) { | |
517 | case BMP_RLE8_EOL: | |
518 | /* end of line */ | |
519 | bmap += 2; | |
520 | x = 0; | |
521 | y--; | |
522 | /* 16bpix, 2-byte per pixel, width should *2 */ | |
523 | fb -= (width * 2 + lcd_line_length); | |
524 | break; | |
525 | case BMP_RLE8_EOBMP: | |
526 | /* end of bitmap */ | |
527 | decode = 0; | |
528 | break; | |
529 | case BMP_RLE8_DELTA: | |
530 | /* delta run */ | |
531 | x += bmap[2]; | |
532 | y -= bmap[3]; | |
533 | /* 16bpix, 2-byte per pixel, x should *2 */ | |
534 | fb = (uchar *) (lcd_base + (y + y_off - 1) | |
535 | * lcd_line_length + (x + x_off) * 2); | |
536 | bmap += 4; | |
537 | break; | |
538 | default: | |
539 | /* unencoded run */ | |
540 | runlen = bmap[1]; | |
541 | bmap += 2; | |
542 | if (y < height) { | |
543 | if (x < width) { | |
544 | if (x + runlen > width) | |
545 | cnt = width - x; | |
546 | else | |
547 | cnt = runlen; | |
548 | draw_unencoded_bitmap( | |
549 | (ushort **)&fb, | |
550 | bmap, cmap, cnt); | |
551 | } | |
552 | x += runlen; | |
553 | } | |
554 | bmap += runlen; | |
555 | if (runlen & 1) | |
556 | bmap++; | |
557 | } | |
558 | } else { | |
559 | /* encoded run */ | |
560 | if (y < height) { | |
561 | runlen = bmap[0]; | |
562 | if (x < width) { | |
563 | /* aggregate the same code */ | |
564 | while (bmap[0] == 0xff && | |
565 | bmap[2] != BMP_RLE8_ESCAPE && | |
566 | bmap[1] == bmap[3]) { | |
567 | runlen += bmap[2]; | |
568 | bmap += 2; | |
569 | } | |
570 | if (x + runlen > width) | |
571 | cnt = width - x; | |
572 | else | |
573 | cnt = runlen; | |
574 | draw_encoded_bitmap((ushort **)&fb, | |
575 | cmap[bmap[1]], cnt); | |
576 | } | |
577 | x += runlen; | |
578 | } | |
579 | bmap += 2; | |
580 | } | |
581 | } | |
582 | } | |
583 | #endif | |
584 | ||
27fad01b NK |
585 | __weak void fb_put_byte(uchar **fb, uchar **from) |
586 | { | |
587 | *(*fb)++ = *(*from)++; | |
588 | } | |
bfdcc65e NK |
589 | |
590 | #if defined(CONFIG_BMP_16BPP) | |
b3d12e9b | 591 | __weak void fb_put_word(uchar **fb, uchar **from) |
bfdcc65e NK |
592 | { |
593 | *(*fb)++ = *(*from)++; | |
594 | *(*fb)++ = *(*from)++; | |
595 | } | |
bfdcc65e NK |
596 | #endif /* CONFIG_BMP_16BPP */ |
597 | ||
0b29a896 NK |
598 | __weak void lcd_set_cmap(bmp_image_t *bmp, unsigned colors) |
599 | { | |
600 | int i; | |
601 | bmp_color_table_entry_t cte; | |
602 | ushort *cmap = configuration_get_cmap(); | |
603 | ||
604 | for (i = 0; i < colors; ++i) { | |
605 | cte = bmp->color_table[i]; | |
606 | *cmap = (((cte.red) << 8) & 0xf800) | | |
607 | (((cte.green) << 3) & 0x07e0) | | |
608 | (((cte.blue) >> 3) & 0x001f); | |
609 | #if defined(CONFIG_MPC823) | |
610 | cmap--; | |
611 | #else | |
612 | cmap++; | |
613 | #endif | |
614 | } | |
615 | } | |
616 | ||
8655b6f8 WD |
617 | int lcd_display_bitmap(ulong bmp_image, int x, int y) |
618 | { | |
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 | ||
0b29a896 NK |
666 | if (bmp_bpix == 8) |
667 | lcd_set_cmap(bmp, colors); | |
e8143e72 | 668 | |
6b035141 | 669 | padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
1ca298ce MW |
670 | |
671 | #ifdef CONFIG_SPLASH_SCREEN_ALIGN | |
7c7e280a NK |
672 | splash_align_axis(&x, pwidth, width); |
673 | splash_align_axis(&y, panel_info.vl_row, height); | |
1ca298ce MW |
674 | #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
675 | ||
8f47d917 | 676 | if ((x + width) > pwidth) |
e8143e72 | 677 | width = pwidth - x; |
8f47d917 | 678 | if ((y + height) > panel_info.vl_row) |
8655b6f8 WD |
679 | height = panel_info.vl_row - y; |
680 | ||
dca2a1c1 PM |
681 | bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
682 | fb = (uchar *)(lcd_base + | |
8d46d5b1 | 683 | (y + height - 1) * lcd_line_length + x * bpix / 8); |
a303dfb0 | 684 | |
b245e65e | 685 | switch (bmp_bpix) { |
a303dfb0 | 686 | case 1: /* pass through */ |
0156444c | 687 | case 8: { |
0b29a896 | 688 | cmap_base = configuration_get_cmap(); |
45d7f525 | 689 | #ifdef CONFIG_LCD_BMP_RLE8 |
dca2a1c1 PM |
690 | u32 compression = get_unaligned_le32(&bmp->header.compression); |
691 | if (compression == BMP_BI_RLE8) { | |
45d7f525 TWHT |
692 | if (bpix != 16) { |
693 | /* TODO implement render code for bpix != 16 */ | |
694 | printf("Error: only support 16 bpix"); | |
695 | return 1; | |
696 | } | |
697 | lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); | |
698 | break; | |
699 | } | |
700 | #endif | |
701 | ||
b245e65e GL |
702 | if (bpix != 16) |
703 | byte_width = width; | |
704 | else | |
705 | byte_width = width * 2; | |
706 | ||
a303dfb0 MJ |
707 | for (i = 0; i < height; ++i) { |
708 | WATCHDOG_RESET(); | |
b245e65e GL |
709 | for (j = 0; j < width; j++) { |
710 | if (bpix != 16) { | |
27fad01b | 711 | fb_put_byte(&fb, &bmap); |
b245e65e GL |
712 | } else { |
713 | *(uint16_t *)fb = cmap_base[*(bmap++)]; | |
714 | fb += sizeof(uint16_t) / sizeof(*fb); | |
715 | } | |
716 | } | |
fecac46c | 717 | bmap += (padded_width - width); |
6b035141 | 718 | fb -= byte_width + lcd_line_length; |
a303dfb0 MJ |
719 | } |
720 | break; | |
0156444c | 721 | } |
a303dfb0 MJ |
722 | #if defined(CONFIG_BMP_16BPP) |
723 | case 16: | |
724 | for (i = 0; i < height; ++i) { | |
725 | WATCHDOG_RESET(); | |
bfdcc65e NK |
726 | for (j = 0; j < width; j++) |
727 | fb_put_word(&fb, &bmap); | |
728 | ||
fecac46c | 729 | bmap += (padded_width - width) * 2; |
6b035141 | 730 | fb -= width * 2 + lcd_line_length; |
a303dfb0 MJ |
731 | } |
732 | break; | |
733 | #endif /* CONFIG_BMP_16BPP */ | |
a305fb15 HP |
734 | #if defined(CONFIG_BMP_24BMP) |
735 | case 24: | |
736 | for (i = 0; i < height; ++i) { | |
737 | for (j = 0; j < width; j++) { | |
738 | *(fb++) = *(bmap++); | |
739 | *(fb++) = *(bmap++); | |
740 | *(fb++) = *(bmap++); | |
741 | *(fb++) = 0; | |
742 | } | |
743 | fb -= lcd_line_length + width * (bpix / 8); | |
744 | } | |
745 | break; | |
746 | #endif /* CONFIG_BMP_24BMP */ | |
fb6a9aab DL |
747 | #if defined(CONFIG_BMP_32BPP) |
748 | case 32: | |
749 | for (i = 0; i < height; ++i) { | |
750 | for (j = 0; j < width; j++) { | |
751 | *(fb++) = *(bmap++); | |
752 | *(fb++) = *(bmap++); | |
753 | *(fb++) = *(bmap++); | |
754 | *(fb++) = *(bmap++); | |
755 | } | |
6b035141 | 756 | fb -= lcd_line_length + width * (bpix / 8); |
fb6a9aab DL |
757 | } |
758 | break; | |
759 | #endif /* CONFIG_BMP_32BPP */ | |
a303dfb0 MJ |
760 | default: |
761 | break; | |
762 | }; | |
8655b6f8 | 763 | |
9a8efc46 | 764 | lcd_sync(); |
8f47d917 | 765 | return 0; |
8655b6f8 | 766 | } |
c3517f91 | 767 | #endif |
8655b6f8 | 768 | |
8f47d917 | 769 | static void *lcd_logo(void) |
8655b6f8 | 770 | { |
8655b6f8 WD |
771 | #ifdef CONFIG_SPLASH_SCREEN |
772 | char *s; | |
773 | ulong addr; | |
774 | static int do_splash = 1; | |
775 | ||
776 | if (do_splash && (s = getenv("splashimage")) != NULL) { | |
1ca298ce | 777 | int x = 0, y = 0; |
8655b6f8 WD |
778 | do_splash = 0; |
779 | ||
581bb419 | 780 | if (splash_screen_prepare()) |
dd4425e8 | 781 | return (void *)lcd_base; |
581bb419 | 782 | |
1ca298ce | 783 | addr = simple_strtoul (s, NULL, 16); |
ff8fb56b AG |
784 | |
785 | splash_get_pos(&x, &y); | |
1ca298ce | 786 | |
d3a555ed | 787 | if (bmp_display(addr, x, y) == 0) |
8f47d917 | 788 | return (void *)lcd_base; |
8655b6f8 WD |
789 | } |
790 | #endif /* CONFIG_SPLASH_SCREEN */ | |
791 | ||
2b5cb3d3 | 792 | bitmap_plot(0, 0); |
8655b6f8 | 793 | |
6b59e03e | 794 | #ifdef CONFIG_LCD_INFO |
140beb94 NK |
795 | lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
796 | lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); | |
6b59e03e HS |
797 | lcd_show_board_info(); |
798 | #endif /* CONFIG_LCD_INFO */ | |
39cf4804 | 799 | |
88804d19 | 800 | #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
8f47d917 | 801 | return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); |
8655b6f8 | 802 | #else |
8f47d917 | 803 | return (void *)lcd_base; |
6b035141 | 804 | #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */ |
8655b6f8 WD |
805 | } |
806 | ||
c0880485 NK |
807 | #ifdef CONFIG_SPLASHIMAGE_GUARD |
808 | static int on_splashimage(const char *name, const char *value, enum env_op op, | |
809 | int flags) | |
810 | { | |
811 | ulong addr; | |
812 | int aligned; | |
813 | ||
814 | if (op == env_op_delete) | |
815 | return 0; | |
816 | ||
817 | addr = simple_strtoul(value, NULL, 16); | |
818 | /* See README.displaying-bmps */ | |
819 | aligned = (addr % 4 == 2); | |
820 | if (!aligned) { | |
821 | printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); | |
822 | return -1; | |
823 | } | |
824 | ||
825 | return 0; | |
826 | } | |
827 | ||
828 | U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); | |
829 | #endif | |
830 | ||
395166cf VB |
831 | int lcd_get_pixel_width(void) |
832 | { | |
833 | return panel_info.vl_col; | |
834 | } | |
835 | ||
836 | int lcd_get_pixel_height(void) | |
837 | { | |
838 | return panel_info.vl_row; | |
839 | } | |
840 | ||
6a195d2d SW |
841 | #if defined(CONFIG_LCD_DT_SIMPLEFB) |
842 | static int lcd_dt_simplefb_configure_node(void *blob, int off) | |
843 | { | |
6a195d2d | 844 | #if LCD_BPP == LCD_COLOR16 |
11b8dfa7 HG |
845 | return fdt_setup_simplefb_node(blob, off, gd->fb_base, |
846 | panel_info.vl_col, panel_info.vl_row, | |
847 | panel_info.vl_col * 2, "r5g6b5"); | |
6a195d2d | 848 | #else |
11b8dfa7 | 849 | return -1; |
6a195d2d | 850 | #endif |
6a195d2d SW |
851 | } |
852 | ||
853 | int lcd_dt_simplefb_add_node(void *blob) | |
854 | { | |
5af7d0f0 SW |
855 | static const char compat[] = "simple-framebuffer"; |
856 | static const char disabled[] = "disabled"; | |
6a195d2d SW |
857 | int off, ret; |
858 | ||
859 | off = fdt_add_subnode(blob, 0, "framebuffer"); | |
860 | if (off < 0) | |
861 | return -1; | |
862 | ||
863 | ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled)); | |
864 | if (ret < 0) | |
865 | return -1; | |
866 | ||
867 | ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat)); | |
868 | if (ret < 0) | |
869 | return -1; | |
870 | ||
871 | return lcd_dt_simplefb_configure_node(blob, off); | |
872 | } | |
873 | ||
874 | int lcd_dt_simplefb_enable_existing_node(void *blob) | |
875 | { | |
876 | int off; | |
877 | ||
878 | off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer"); | |
879 | if (off < 0) | |
880 | return -1; | |
881 | ||
882 | return lcd_dt_simplefb_configure_node(blob, off); | |
883 | } | |
884 | #endif |