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stroese0621f6f2004-12-16 18:43:13 +00001/*
2 * (C) Copyright 2003-2004
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
4 *
Stefan Roese98f4a3d2005-09-22 09:04:17 +02005 * (C) Copyright 2005
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
7 *
stroese0621f6f2004-12-16 18:43:13 +00008 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
Matthias Fuchs77660c42007-12-28 17:10:44 +010027#include "asm/io.h"
stroese0621f6f2004-12-16 18:43:13 +000028#include "lcd.h"
29
30
Stefan Roese98f4a3d2005-09-22 09:04:17 +020031extern int video_display_bitmap (ulong, int, int);
32
33
stroese0621f6f2004-12-16 18:43:13 +000034int palette_index;
35int palette_value;
Stefan Roese98f4a3d2005-09-22 09:04:17 +020036int lcd_depth;
37unsigned char *glob_lcd_reg;
38unsigned char *glob_lcd_mem;
stroese0621f6f2004-12-16 18:43:13 +000039
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020040#if defined(CONFIG_SYS_LCD_ENDIAN)
stroese0621f6f2004-12-16 18:43:13 +000041void lcd_setup(int lcd, int config)
42{
43 if (lcd == 0) {
44 /*
45 * Set endianess and reset lcd controller 0 (small)
46 */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020047
48 /* set reset to low */
49 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020050 in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD0_RST);
stroese0621f6f2004-12-16 18:43:13 +000051 udelay(10); /* wait 10us */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020052 if (config == 1) {
53 /* big-endian */
54 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020055 in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020056 } else {
57 /* little-endian */
58 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020059 in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020060 }
stroese0621f6f2004-12-16 18:43:13 +000061 udelay(10); /* wait 10us */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020062 /* set reset to high */
63 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020064 in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD0_RST);
stroese0621f6f2004-12-16 18:43:13 +000065 } else {
66 /*
67 * Set endianess and reset lcd controller 1 (big)
68 */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020069
70 /* set reset to low */
71 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020072 in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD1_RST);
stroese0621f6f2004-12-16 18:43:13 +000073 udelay(10); /* wait 10us */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020074 if (config == 1) {
75 /* big-endian */
76 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020077 in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020078 } else {
79 /* little-endian */
80 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020081 in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_LCD_ENDIAN);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020082 }
stroese0621f6f2004-12-16 18:43:13 +000083 udelay(10); /* wait 10us */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020084 /* set reset to high */
85 out_be32((void*)GPIO0_OR,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020086 in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD1_RST);
stroese0621f6f2004-12-16 18:43:13 +000087 }
88
89 /*
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020090 * CONFIG_SYS_LCD_ENDIAN may also be FPGA_RESET, so set inactive
stroese0621f6f2004-12-16 18:43:13 +000091 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020092 out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_LCD_ENDIAN);
stroese0621f6f2004-12-16 18:43:13 +000093}
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020094#endif /* CONFIG_SYS_LCD_ENDIAN */
stroese0621f6f2004-12-16 18:43:13 +000095
96
Matthias Fuchsb9233fe2008-04-21 14:41:59 +020097int lcd_bmp(uchar *logo_bmp)
stroese0621f6f2004-12-16 18:43:13 +000098{
99 int i;
stroese0621f6f2004-12-16 18:43:13 +0000100 uchar *ptr;
101 ushort *ptr2;
102 ushort val;
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200103 unsigned char *dst = NULL;
stroese0621f6f2004-12-16 18:43:13 +0000104 int x, y;
105 int width, height, bpp, colors, line_size;
106 int header_size;
107 unsigned char *bmp;
108 unsigned char r, g, b;
109 BITMAPINFOHEADER *bm_info;
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200110 ulong len;
stroese0621f6f2004-12-16 18:43:13 +0000111
112 /*
113 * Check for bmp mark 'BM'
114 */
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200115 if (*(ushort *)logo_bmp != 0x424d) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200116 /*
117 * Decompress bmp image
118 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200119 len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
120 dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200121 if (dst == NULL) {
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200122 printf("Error: malloc for gunzip failed!\n");
123 return 1;
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200124 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200125 if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE,
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200126 (uchar *)logo_bmp, &len) != 0) {
127 free(dst);
128 return 1;
129 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200130 if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE) {
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200131 printf("Image could be truncated"
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200132 " (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200133 }
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200134
135 /*
136 * Check for bmp mark 'BM'
137 */
138 if (*(ushort *)dst != 0x424d) {
139 printf("LCD: Unknown image format!\n");
140 free(dst);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200141 return 1;
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200142 }
143 } else {
144 /*
145 * Uncompressed BMP image, just use this pointer
146 */
147 dst = (uchar *)logo_bmp;
stroese0621f6f2004-12-16 18:43:13 +0000148 }
149
150 /*
151 * Get image info from bmp-header
152 */
153 bm_info = (BITMAPINFOHEADER *)(dst + 14);
154 bpp = LOAD_SHORT(bm_info->biBitCount);
155 width = LOAD_LONG(bm_info->biWidth);
156 height = LOAD_LONG(bm_info->biHeight);
157 switch (bpp) {
158 case 1:
159 colors = 1;
160 line_size = width >> 3;
161 break;
162 case 4:
163 colors = 16;
164 line_size = width >> 1;
165 break;
166 case 8:
167 colors = 256;
168 line_size = width;
169 break;
170 case 24:
171 colors = 0;
172 line_size = width * 3;
173 break;
174 default:
175 printf("LCD: Unknown bpp (%d) im image!\n", bpp);
Stefan Roesee174ac32007-12-28 17:29:56 +0100176 if ((dst != NULL) && (dst != (uchar *)logo_bmp))
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200177 free(dst);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200178 return 1;
stroese0621f6f2004-12-16 18:43:13 +0000179 }
180 printf(" (%d*%d, %dbpp)\n", width, height, bpp);
181
182 /*
183 * Write color palette
184 */
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200185 if ((colors <= 256) && (lcd_depth <= 8)) {
stroese0621f6f2004-12-16 18:43:13 +0000186 ptr = (unsigned char *)(dst + 14 + 40);
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100187 for (i = 0; i < colors; i++) {
stroese0621f6f2004-12-16 18:43:13 +0000188 b = *ptr++;
189 g = *ptr++;
190 r = *ptr++;
191 ptr++;
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200192 S1D_WRITE_PALETTE(glob_lcd_reg, i, r, g, b);
stroese0621f6f2004-12-16 18:43:13 +0000193 }
194 }
195
196 /*
197 * Write bitmap data into framebuffer
198 */
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200199 ptr = glob_lcd_mem;
200 ptr2 = (ushort *)glob_lcd_mem;
stroese0621f6f2004-12-16 18:43:13 +0000201 header_size = 14 + 40 + 4*colors; /* skip bmp header */
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100202 for (y = 0; y < height; y++) {
stroese0621f6f2004-12-16 18:43:13 +0000203 bmp = &dst[(height-1-y)*line_size + header_size];
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200204 if (lcd_depth == 16) {
205 if (bpp == 24) {
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100206 for (x = 0; x < width; x++) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200207 /*
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200208 * Generate epson 16bpp fb-format
209 * from 24bpp image
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200210 */
211 b = *bmp++ >> 3;
212 g = *bmp++ >> 2;
213 r = *bmp++ >> 3;
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200214 val = ((r & 0x1f) << 11) |
215 ((g & 0x3f) << 5) |
216 (b & 0x1f);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200217 *ptr2++ = val;
218 }
219 } else if (bpp == 8) {
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100220 for (x = 0; x < line_size; x++) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200221 /* query rgb value from palette */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200222 ptr = (unsigned char *)(dst + 14 + 40);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200223 ptr += (*bmp++) << 2;
224 b = *ptr++ >> 3;
225 g = *ptr++ >> 2;
226 r = *ptr++ >> 3;
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200227 val = ((r & 0x1f) << 11) |
228 ((g & 0x3f) << 5) |
229 (b & 0x1f);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200230 *ptr2++ = val;
231 }
stroese0621f6f2004-12-16 18:43:13 +0000232 }
233 } else {
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100234 for (x = 0; x < line_size; x++)
stroese0621f6f2004-12-16 18:43:13 +0000235 *ptr++ = *bmp++;
stroese0621f6f2004-12-16 18:43:13 +0000236 }
237 }
238
Stefan Roesee174ac32007-12-28 17:29:56 +0100239 if ((dst != NULL) && (dst != (uchar *)logo_bmp))
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200240 free(dst);
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200241 return 0;
stroese0621f6f2004-12-16 18:43:13 +0000242}
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200243
244
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200245int lcd_init(uchar *lcd_reg, uchar *lcd_mem, S1D_REGS *regs, int reg_count,
246 uchar *logo_bmp, ulong len)
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200247{
248 int i;
249 ushort s1dReg;
250 uchar s1dValue;
251 int reg_byte_swap;
252
253 /*
254 * Detect epson
255 */
Matthias Fuchs77660c42007-12-28 17:10:44 +0100256 out_8(&lcd_reg[0], 0x00);
257 out_8(&lcd_reg[1], 0x00);
Stefan Roese48a05a52006-02-07 16:51:04 +0100258
Stefan Roesee174ac32007-12-28 17:29:56 +0100259 if (in_8(&lcd_reg[0]) == 0x1c) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200260 /*
261 * Big epson detected
262 */
263 reg_byte_swap = FALSE;
264 palette_index = 0x1e2;
265 palette_value = 0x1e4;
266 lcd_depth = 16;
267 puts("LCD: S1D13806");
Stefan Roesee174ac32007-12-28 17:29:56 +0100268 } else if (in_8(&lcd_reg[1]) == 0x1c) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200269 /*
270 * Big epson detected (with register swap bug)
271 */
272 reg_byte_swap = TRUE;
273 palette_index = 0x1e3;
274 palette_value = 0x1e5;
275 lcd_depth = 16;
276 puts("LCD: S1D13806S");
Stefan Roesee174ac32007-12-28 17:29:56 +0100277 } else if (in_8(&lcd_reg[0]) == 0x18) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200278 /*
279 * Small epson detected (704)
280 */
281 reg_byte_swap = FALSE;
282 palette_index = 0x15;
283 palette_value = 0x17;
284 lcd_depth = 8;
285 puts("LCD: S1D13704");
Matthias Fuchs9ac6b6f2008-01-02 12:05:14 +0100286 } else if (in_8(&lcd_reg[0x10000]) == 0x24) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200287 /*
288 * Small epson detected (705)
289 */
290 reg_byte_swap = FALSE;
291 palette_index = 0x15;
292 palette_value = 0x17;
293 lcd_depth = 8;
294 lcd_reg += 0x10000; /* add offset for 705 regs */
295 puts("LCD: S1D13705");
296 } else {
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200297 out_8(&lcd_reg[0x1a], 0x00);
298 udelay(1000);
299 if (in_8(&lcd_reg[1]) == 0x0c) {
300 /*
301 * S1D13505 detected
302 */
303 reg_byte_swap = TRUE;
304 palette_index = 0x25;
305 palette_value = 0x27;
306 lcd_depth = 16;
307
308 puts("LCD: S1D13505");
309 } else {
310 puts("LCD: No controller detected!\n");
311 return 1;
312 }
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200313 }
314
315 /*
316 * Setup lcd controller regs
317 */
Matthias Fuchs77660c42007-12-28 17:10:44 +0100318 for (i = 0; i < reg_count; i++) {
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200319 s1dReg = regs[i].Index;
320 if (reg_byte_swap) {
321 if ((s1dReg & 0x0001) == 0)
322 s1dReg |= 0x0001;
323 else
324 s1dReg &= ~0x0001;
325 }
326 s1dValue = regs[i].Value;
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200327 out_8(&lcd_reg[s1dReg], s1dValue);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200328 }
329
330 /*
331 * Save reg & mem pointer for later usage (e.g. bmp command)
332 */
333 glob_lcd_reg = lcd_reg;
334 glob_lcd_mem = lcd_mem;
335
336 /*
337 * Display bmp image
338 */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200339 return lcd_bmp(logo_bmp);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200340}
341
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200342int do_esdbmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
343{
344 ulong addr;
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200345#ifdef CONFIG_VIDEO_SM501
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200346 char *str;
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200347#endif
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200348 if (argc != 2) {
349 printf ("Usage:\n%s\n", cmdtp->usage);
350 return 1;
351 }
352
353 addr = simple_strtoul(argv[1], NULL, 16);
354
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200355#ifdef CONFIG_VIDEO_SM501
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200356 str = getenv("bd_type");
357 if ((strcmp(str, "ppc221") == 0) || (strcmp(str, "ppc231") == 0)) {
358 /*
359 * SM501 available, use standard bmp command
360 */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200361 return video_display_bitmap(addr, 0, 0);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200362 } else {
363 /*
364 * No SM501 available, use esd epson bmp command
365 */
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200366 return lcd_bmp((uchar *)addr);
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200367 }
Matthias Fuchsb9233fe2008-04-21 14:41:59 +0200368#else
369 return lcd_bmp((uchar *)addr);
370#endif
Stefan Roese98f4a3d2005-09-22 09:04:17 +0200371}
372
373U_BOOT_CMD(
374 esdbmp, 2, 1, do_esdbmp,
375 "esdbmp - display BMP image\n",
376 "<imageAddr> - display image\n"
377);