1 /*
2  * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., http://www.fsf.org/about/contact/
20  *
21  */
22 
23 #include <display_options.h>
24 #include <env.h>
25 #include <splash.h>
26 #include <video.h>
27 #include <vsprintf.h>
28 #include <linux/kernel.h>
29 
30 static struct splash_location default_splash_locations[] = {
31 	{
32 		.name = "sf",
33 		.storage = SPLASH_STORAGE_SF,
34 		.flags = SPLASH_STORAGE_RAW,
35 		.offset = 0x0,
36 	},
37 	{
38 		.name = "mmc_fs",
39 		.storage = SPLASH_STORAGE_MMC,
40 		.flags = SPLASH_STORAGE_FS,
41 		.devpart = "0:1",
42 	},
43 	{
44 		.name = "mmc_raw",
45 		.storage = SPLASH_STORAGE_MMC,
46 		.flags = SPLASH_STORAGE_RAW,
47 		.devpart = "0:1",
48 	},
49 	{
50 		.name = "usb_fs",
51 		.storage = SPLASH_STORAGE_USB,
52 		.flags = SPLASH_STORAGE_FS,
53 		.devpart = "0:1",
54 	},
55 	{
56 		.name = "sata_fs",
57 		.storage = SPLASH_STORAGE_SATA,
58 		.flags = SPLASH_STORAGE_FS,
59 		.devpart = "0:1",
60 	},
61 };
62 
63 #ifdef CONFIG_VIDEO_LOGO
64 
65 #include <bmp_logo_data.h>
66 
splash_video_logo_load(void)67 static int splash_video_logo_load(void)
68 {
69 	char *splashimage;
70 	ulong bmp_load_addr;
71 
72 	splashimage = env_get("splashimage");
73 	if (!splashimage)
74 		return -ENOENT;
75 
76 	bmp_load_addr = hextoul(splashimage, 0);
77 	if (!bmp_load_addr) {
78 		printf("Error: bad 'splashimage' address\n");
79 		return -EFAULT;
80 	}
81 
82 	memcpy((void *)bmp_load_addr, bmp_logo_bitmap,
83 	       ARRAY_SIZE(bmp_logo_bitmap));
84 
85 	return 0;
86 }
87 #else
splash_video_logo_load(void)88 static inline int splash_video_logo_load(void) { return -ENOSYS; }
89 #endif
90 
splash_screen_prepare(void)91 __weak int splash_screen_prepare(void)
92 {
93 	if (CONFIG_IS_ENABLED(SPLASH_SOURCE))
94 		return splash_source_load(default_splash_locations,
95 					  ARRAY_SIZE(default_splash_locations));
96 
97 	return splash_video_logo_load();
98 }
99 
splash_get_pos(int * x,int * y)100 void splash_get_pos(int *x, int *y)
101 {
102 	char *s = env_get("splashpos");
103 
104 	if (!CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN) || !s)
105 		return;
106 
107 	if (s[0] == 'm')
108 		*x = BMP_ALIGN_CENTER;
109 	else
110 		*x = simple_strtol(s, NULL, 0);
111 
112 	s = strchr(s + 1, ',');
113 	if (s != NULL) {
114 		if (s[1] == 'm')
115 			*y = BMP_ALIGN_CENTER;
116 		else
117 			*y = simple_strtol(s + 1, NULL, 0);
118 	}
119 }
120 
121 #if CONFIG_IS_ENABLED(VIDEO) && !CONFIG_IS_ENABLED(HIDE_LOGO_VERSION)
122 
123 #ifdef CONFIG_VIDEO_LOGO
124 #include <bmp_logo.h>
125 #endif
126 #include <dm.h>
127 #include <video_console.h>
128 #include <video_font.h>
129 #include <video_font_data.h>
130 
splash_display_banner(void)131 void splash_display_banner(void)
132 {
133 	struct video_fontdata __maybe_unused *fontdata = fonts;
134 	struct udevice *dev;
135 	char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
136 	int col, row, ret;
137 
138 	ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &dev);
139 	if (ret)
140 		return;
141 
142 #if IS_ENABLED(CONFIG_VIDEO_LOGO)
143 	col = BMP_LOGO_WIDTH / fontdata->width + 1;
144 	row = BMP_LOGO_HEIGHT / fontdata->height + 1;
145 #else
146 	col = 0;
147 	row = 0;
148 #endif
149 
150 	display_options_get_banner(false, buf, sizeof(buf));
151 	vidconsole_position_cursor(dev, col, 1);
152 	vidconsole_put_string(dev, buf);
153 	vidconsole_position_cursor(dev, 0, row);
154 }
155 #endif /* CONFIG_VIDEO && !CONFIG_HIDE_LOGO_VERSION */
156 
157 /*
158  * Common function to show a splash image if env("splashimage") is set.
159  * For additional details please refer to doc/README.splashprepare.
160  */
splash_display(void)161 int splash_display(void)
162 {
163 	ulong addr;
164 	char *s;
165 	int x = 0, y = 0, ret;
166 	if (!CONFIG_IS_ENABLED(SPLASH_SCREEN))
167 		return -ENOSYS;
168 	s = env_get("splashimage");
169 	if (!s)
170 		return -EINVAL;
171 
172 	addr = hextoul(s, NULL);
173 	ret = splash_screen_prepare();
174 	if (ret)
175 		return ret;
176 
177 	splash_get_pos(&x, &y);
178 
179 	if (CONFIG_IS_ENABLED(BMP))
180 		ret = bmp_display(addr, x, y);
181 	else
182 		return -ENOSYS;
183 
184 	/* Skip banner output on video console if the logo is not at 0,0 */
185 	if (x || y)
186 		goto end;
187 
188 #if CONFIG_IS_ENABLED(VIDEO) && !CONFIG_IS_ENABLED(HIDE_LOGO_VERSION)
189 	splash_display_banner();
190 #endif
191 end:
192 	return ret;
193 }
194