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wdenk059ae172003-04-20 16:52:09 +00001/*
2 * (C) Copyright 2002
wdenkb37c7e52003-06-30 16:24:52 +00003 * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
wdenk059ae172003-04-20 16:52:09 +00004 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * BMP handling routines
26 */
27
28#include <common.h>
Alessandro Rubini61117222009-07-19 17:52:27 +020029#include <lcd.h>
wdenk059ae172003-04-20 16:52:09 +000030#include <bmp_layout.h>
31#include <command.h>
wdenk8655b6f2004-10-09 23:25:58 +000032#include <asm/byteorder.h>
Stefan Roesec29ab9d2005-10-08 10:19:07 +020033#include <malloc.h>
wdenk059ae172003-04-20 16:52:09 +000034
wdenk059ae172003-04-20 16:52:09 +000035static int bmp_info (ulong addr);
wdenk4b248f32004-03-14 16:51:43 +000036static int bmp_display (ulong addr, int x, int y);
wdenk059ae172003-04-20 16:52:09 +000037
38/*
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010039 * Allocate and decompress a BMP image using gunzip().
40 *
41 * Returns a pointer to the decompressed image data. Must be freed by
42 * the caller after use.
43 *
44 * Returns NULL if decompression failed, or if the decompressed data
45 * didn't contain a valid BMP signature.
46 */
47#ifdef CONFIG_VIDEO_BMP_GZIP
Mark Jacksonc01171e2009-07-21 11:30:53 +010048bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010049{
50 void *dst;
51 unsigned long len;
52 bmp_image_t *bmp;
53
54 /*
55 * Decompress bmp image
56 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020057 len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
58 dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010059 if (dst == NULL) {
60 puts("Error: malloc in gunzip failed!\n");
61 return NULL;
62 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020063 if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) {
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010064 free(dst);
65 return NULL;
66 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020067 if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010068 puts("Image could be truncated"
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020069 " (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010070
71 bmp = dst;
72
73 /*
74 * Check for bmp mark 'BM'
75 */
76 if (!((bmp->header.signature[0] == 'B') &&
77 (bmp->header.signature[1] == 'M'))) {
78 free(dst);
79 return NULL;
80 }
81
82 puts("Gzipped BMP image detected!\n");
83
84 return bmp;
85}
86#else
Mark Jacksonc01171e2009-07-21 11:30:53 +010087bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +010088{
89 return NULL;
90}
91#endif
92
Wolfgang Denk54841ab2010-06-28 22:00:46 +020093static int do_bmp_info(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Frans Meulenbroeks9acd4f02010-03-27 11:16:10 +010094{
95 ulong addr;
96
97 switch (argc) {
98 case 1: /* use load_addr as default address */
99 addr = load_addr;
100 break;
101 case 2: /* use argument */
102 addr = simple_strtoul(argv[1], NULL, 16);
103 break;
104 default:
105 cmd_usage(cmdtp);
106 return 1;
107 }
108
109 return (bmp_info(addr));
110}
111
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200112static int do_bmp_display(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Frans Meulenbroeks9acd4f02010-03-27 11:16:10 +0100113{
114 ulong addr;
115 int x = 0, y = 0;
116
117 switch (argc) {
118 case 1: /* use load_addr as default address */
119 addr = load_addr;
120 break;
121 case 2: /* use argument */
122 addr = simple_strtoul(argv[1], NULL, 16);
123 break;
124 case 4:
125 addr = simple_strtoul(argv[1], NULL, 16);
126 x = simple_strtoul(argv[2], NULL, 10);
127 y = simple_strtoul(argv[3], NULL, 10);
128 break;
129 default:
130 cmd_usage(cmdtp);
131 return 1;
132 }
133
134 return (bmp_display(addr, x, y));
135}
136
137static cmd_tbl_t cmd_bmp_sub[] = {
138 U_BOOT_CMD_MKENT(info, 3, 0, do_bmp_info, "", ""),
139 U_BOOT_CMD_MKENT(display, 5, 0, do_bmp_display, "", ""),
140};
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100141
142/*
wdenk059ae172003-04-20 16:52:09 +0000143 * Subroutine: do_bmp
144 *
145 * Description: Handler for 'bmp' command..
146 *
147 * Inputs: argv[1] contains the subcommand
148 *
149 * Return: None
150 *
151 */
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200152static int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenk059ae172003-04-20 16:52:09 +0000153{
Frans Meulenbroeks9acd4f02010-03-27 11:16:10 +0100154 cmd_tbl_t *c;
wdenk059ae172003-04-20 16:52:09 +0000155
Frans Meulenbroeks9acd4f02010-03-27 11:16:10 +0100156 /* Strip off leading 'bmp' command argument */
157 argc--;
158 argv++;
wdenk059ae172003-04-20 16:52:09 +0000159
Frans Meulenbroeks9acd4f02010-03-27 11:16:10 +0100160 c = find_cmd_tbl(argv[0], &cmd_bmp_sub[0], ARRAY_SIZE(cmd_bmp_sub));
161
162 if (c) {
163 return c->cmd(cmdtp, flag, argc, argv);
wdenk059ae172003-04-20 16:52:09 +0000164 } else {
Peter Tyser62c3ae72009-01-27 18:03:10 -0600165 cmd_usage(cmdtp);
wdenk059ae172003-04-20 16:52:09 +0000166 return 1;
167 }
168}
169
wdenk0d498392003-07-01 21:06:45 +0000170U_BOOT_CMD(
wdenk4b248f32004-03-14 16:51:43 +0000171 bmp, 5, 1, do_bmp,
Peter Tyser2fb26042009-01-27 18:03:12 -0600172 "manipulate BMP image data",
wdenk4b248f32004-03-14 16:51:43 +0000173 "info <imageAddr> - display image info\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200174 "bmp display <imageAddr> [x y] - display image at x,y"
wdenkb0fce992003-06-29 21:03:46 +0000175);
176
wdenk059ae172003-04-20 16:52:09 +0000177/*
178 * Subroutine: bmp_info
179 *
180 * Description: Show information about bmp file in memory
181 *
182 * Inputs: addr address of the bmp file
183 *
184 * Return: None
185 *
186 */
187static int bmp_info(ulong addr)
188{
189 bmp_image_t *bmp=(bmp_image_t *)addr;
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100190 unsigned long len;
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200191
wdenk059ae172003-04-20 16:52:09 +0000192 if (!((bmp->header.signature[0]=='B') &&
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100193 (bmp->header.signature[1]=='M')))
194 bmp = gunzip_bmp(addr, &len);
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200195
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100196 if (bmp == NULL) {
wdenk059ae172003-04-20 16:52:09 +0000197 printf("There is no valid bmp file at the given address\n");
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100198 return 1;
wdenk059ae172003-04-20 16:52:09 +0000199 }
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100200
wdenk059ae172003-04-20 16:52:09 +0000201 printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width),
202 le32_to_cpu(bmp->header.height));
203 printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
204 printf("Compression : %d\n", le32_to_cpu(bmp->header.compression));
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200205
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100206 if ((unsigned long)bmp != addr)
207 free(bmp);
Stefan Roesec29ab9d2005-10-08 10:19:07 +0200208
wdenk059ae172003-04-20 16:52:09 +0000209 return(0);
210}
211
212/*
213 * Subroutine: bmp_display
214 *
215 * Description: Display bmp file located in memory
216 *
217 * Inputs: addr address of the bmp file
218 *
219 * Return: None
220 *
221 */
wdenk4b248f32004-03-14 16:51:43 +0000222static int bmp_display(ulong addr, int x, int y)
wdenk059ae172003-04-20 16:52:09 +0000223{
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100224 int ret;
225 bmp_image_t *bmp = (bmp_image_t *)addr;
226 unsigned long len;
227
228 if (!((bmp->header.signature[0]=='B') &&
229 (bmp->header.signature[1]=='M')))
230 bmp = gunzip_bmp(addr, &len);
231
232 if (!bmp) {
233 printf("There is no valid bmp file at the given address\n");
234 return 1;
235 }
236
wdenk281e00a2004-08-01 22:48:16 +0000237#if defined(CONFIG_LCD)
238 extern int lcd_display_bitmap (ulong, int, int);
wdenk059ae172003-04-20 16:52:09 +0000239
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100240 ret = lcd_display_bitmap ((unsigned long)bmp, x, y);
wdenk281e00a2004-08-01 22:48:16 +0000241#elif defined(CONFIG_VIDEO)
wdenk4b248f32004-03-14 16:51:43 +0000242 extern int video_display_bitmap (ulong, int, int);
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100243
244 ret = video_display_bitmap ((unsigned long)bmp, x, y);
wdenk281e00a2004-08-01 22:48:16 +0000245#else
246# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
wdenk4b248f32004-03-14 16:51:43 +0000247#endif
Hans-Christian Egtvedt43ef1c32007-11-30 17:29:59 +0100248
249 if ((unsigned long)bmp != addr)
250 free(bmp);
251
252 return ret;
wdenk059ae172003-04-20 16:52:09 +0000253}