2 * (C) Copyright 2003-2004
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
8 * See file CREDITS for list of people who contributed to this
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.
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.
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,
31 extern int video_display_bitmap (ulong
, int, int);
37 unsigned char *glob_lcd_reg
;
38 unsigned char *glob_lcd_mem
;
40 #if defined(CONFIG_SYS_LCD_ENDIAN)
41 void lcd_setup(int lcd
, int config
)
45 * Set endianess and reset lcd controller 0 (small)
48 /* set reset to low */
49 out_be32((void*)GPIO0_OR
,
50 in_be32((void*)GPIO0_OR
) & ~CONFIG_SYS_LCD0_RST
);
51 udelay(10); /* wait 10us */
54 out_be32((void*)GPIO0_OR
,
55 in_be32((void*)GPIO0_OR
) | CONFIG_SYS_LCD_ENDIAN
);
58 out_be32((void*)GPIO0_OR
,
59 in_be32((void*)GPIO0_OR
) & ~CONFIG_SYS_LCD_ENDIAN
);
61 udelay(10); /* wait 10us */
62 /* set reset to high */
63 out_be32((void*)GPIO0_OR
,
64 in_be32((void*)GPIO0_OR
) | CONFIG_SYS_LCD0_RST
);
67 * Set endianess and reset lcd controller 1 (big)
70 /* set reset to low */
71 out_be32((void*)GPIO0_OR
,
72 in_be32((void*)GPIO0_OR
) & ~CONFIG_SYS_LCD1_RST
);
73 udelay(10); /* wait 10us */
76 out_be32((void*)GPIO0_OR
,
77 in_be32((void*)GPIO0_OR
) | CONFIG_SYS_LCD_ENDIAN
);
80 out_be32((void*)GPIO0_OR
,
81 in_be32((void*)GPIO0_OR
) & ~CONFIG_SYS_LCD_ENDIAN
);
83 udelay(10); /* wait 10us */
84 /* set reset to high */
85 out_be32((void*)GPIO0_OR
,
86 in_be32((void*)GPIO0_OR
) | CONFIG_SYS_LCD1_RST
);
90 * CONFIG_SYS_LCD_ENDIAN may also be FPGA_RESET, so set inactive
92 out_be32((void*)GPIO0_OR
, in_be32((void*)GPIO0_OR
) | CONFIG_SYS_LCD_ENDIAN
);
94 #endif /* CONFIG_SYS_LCD_ENDIAN */
97 int lcd_bmp(uchar
*logo_bmp
)
103 unsigned char *dst
= NULL
;
105 int width
, height
, bpp
, colors
, line_size
;
108 unsigned char r
, g
, b
;
109 BITMAPINFOHEADER
*bm_info
;
113 * Check for bmp mark 'BM'
115 if (*(ushort
*)logo_bmp
!= 0x424d) {
117 * Decompress bmp image
119 len
= CONFIG_SYS_VIDEO_LOGO_MAX_SIZE
;
120 dst
= malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE
);
122 printf("Error: malloc for gunzip failed!\n");
125 if (gunzip(dst
, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE
,
126 (uchar
*)logo_bmp
, &len
) != 0) {
130 if (len
== CONFIG_SYS_VIDEO_LOGO_MAX_SIZE
) {
131 printf("Image could be truncated"
132 " (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
136 * Check for bmp mark 'BM'
138 if (*(ushort
*)dst
!= 0x424d) {
139 printf("LCD: Unknown image format!\n");
145 * Uncompressed BMP image, just use this pointer
147 dst
= (uchar
*)logo_bmp
;
151 * Get image info from bmp-header
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
);
160 line_size
= width
>> 3;
164 line_size
= width
>> 1;
172 line_size
= width
* 3;
175 printf("LCD: Unknown bpp (%d) im image!\n", bpp
);
176 if ((dst
!= NULL
) && (dst
!= (uchar
*)logo_bmp
))
180 printf(" (%d*%d, %dbpp)\n", width
, height
, bpp
);
183 * Write color palette
185 if ((colors
<= 256) && (lcd_depth
<= 8)) {
186 ptr
= (unsigned char *)(dst
+ 14 + 40);
187 for (i
= 0; i
< colors
; i
++) {
192 S1D_WRITE_PALETTE(glob_lcd_reg
, i
, r
, g
, b
);
197 * Write bitmap data into framebuffer
200 ptr2
= (ushort
*)glob_lcd_mem
;
201 header_size
= 14 + 40 + 4*colors
; /* skip bmp header */
202 for (y
= 0; y
< height
; y
++) {
203 bmp
= &dst
[(height
-1-y
)*line_size
+ header_size
];
204 if (lcd_depth
== 16) {
206 for (x
= 0; x
< width
; x
++) {
208 * Generate epson 16bpp fb-format
214 val
= ((r
& 0x1f) << 11) |
219 } else if (bpp
== 8) {
220 for (x
= 0; x
< line_size
; x
++) {
221 /* query rgb value from palette */
222 ptr
= (unsigned char *)(dst
+ 14 + 40);
223 ptr
+= (*bmp
++) << 2;
227 val
= ((r
& 0x1f) << 11) |
234 for (x
= 0; x
< line_size
; x
++)
239 if ((dst
!= NULL
) && (dst
!= (uchar
*)logo_bmp
))
245 int lcd_init(uchar
*lcd_reg
, uchar
*lcd_mem
, S1D_REGS
*regs
, int reg_count
,
246 uchar
*logo_bmp
, ulong len
)
256 out_8(&lcd_reg
[0], 0x00);
257 out_8(&lcd_reg
[1], 0x00);
259 if (in_8(&lcd_reg
[0]) == 0x1c) {
263 reg_byte_swap
= FALSE
;
264 palette_index
= 0x1e2;
265 palette_value
= 0x1e4;
267 puts("LCD: S1D13806");
268 } else if (in_8(&lcd_reg
[1]) == 0x1c) {
270 * Big epson detected (with register swap bug)
272 reg_byte_swap
= TRUE
;
273 palette_index
= 0x1e3;
274 palette_value
= 0x1e5;
276 puts("LCD: S1D13806S");
277 } else if (in_8(&lcd_reg
[0]) == 0x18) {
279 * Small epson detected (704)
281 reg_byte_swap
= FALSE
;
282 palette_index
= 0x15;
283 palette_value
= 0x17;
285 puts("LCD: S1D13704");
286 } else if (in_8(&lcd_reg
[0x10000]) == 0x24) {
288 * Small epson detected (705)
290 reg_byte_swap
= FALSE
;
291 palette_index
= 0x15;
292 palette_value
= 0x17;
294 lcd_reg
+= 0x10000; /* add offset for 705 regs */
295 puts("LCD: S1D13705");
297 out_8(&lcd_reg
[0x1a], 0x00);
299 if (in_8(&lcd_reg
[1]) == 0x0c) {
303 reg_byte_swap
= TRUE
;
304 palette_index
= 0x25;
305 palette_value
= 0x27;
308 puts("LCD: S1D13505");
310 puts("LCD: No controller detected!\n");
316 * Setup lcd controller regs
318 for (i
= 0; i
< reg_count
; i
++) {
319 s1dReg
= regs
[i
].Index
;
321 if ((s1dReg
& 0x0001) == 0)
326 s1dValue
= regs
[i
].Value
;
327 out_8(&lcd_reg
[s1dReg
], s1dValue
);
331 * Save reg & mem pointer for later usage (e.g. bmp command)
333 glob_lcd_reg
= lcd_reg
;
334 glob_lcd_mem
= lcd_mem
;
339 return lcd_bmp(logo_bmp
);
342 int do_esdbmp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
345 #ifdef CONFIG_VIDEO_SM501
349 printf ("Usage:\n%s\n", cmdtp
->usage
);
353 addr
= simple_strtoul(argv
[1], NULL
, 16);
355 #ifdef CONFIG_VIDEO_SM501
356 str
= getenv("bd_type");
357 if ((strcmp(str
, "ppc221") == 0) || (strcmp(str
, "ppc231") == 0)) {
359 * SM501 available, use standard bmp command
361 return video_display_bitmap(addr
, 0, 0);
364 * No SM501 available, use esd epson bmp command
366 return lcd_bmp((uchar
*)addr
);
369 return lcd_bmp((uchar
*)addr
);
374 esdbmp
, 2, 1, do_esdbmp
,
375 "esdbmp - display BMP image\n",
376 "<imageAddr> - display image\n"