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1 | /* |
2 | * (C) notaz, 2010 |
3 | * |
4 | * This work is licensed under the terms of the GNU GPLv2 or later. |
5 | * See the COPYING file in the top-level directory. |
6 | */ |
7 | |
8 | #include <stdio.h> |
9 | #include <stdlib.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
12 | #include <fcntl.h> |
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13 | #include <sys/ioctl.h> |
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14 | #include <unistd.h> |
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15 | #include <linux/omapfb.h> |
16 | |
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17 | #include "common/menu.h" |
18 | #include "linux/fbdev.h" |
19 | #include "linux/oshide.h" |
20 | #include "plugin_lib.h" |
21 | #include "omap.h" |
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22 | #include "pandora.h" |
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23 | |
24 | |
25 | static struct vout_fbdev *main_fb; |
26 | int g_layer_x = 80, g_layer_y = 0; |
27 | int g_layer_w = 640, g_layer_h = 480; |
28 | |
29 | struct vout_fbdev *layer_fb; |
30 | |
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31 | static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h, int first_call) |
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32 | { |
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33 | struct omapfb_plane_info pi = { 0, }; |
34 | struct omapfb_mem_info mi = { 0, }; |
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35 | int ret; |
36 | |
37 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
38 | if (ret != 0) { |
39 | perror("QUERY_PLANE"); |
40 | return -1; |
41 | } |
42 | |
43 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
44 | if (ret != 0) { |
45 | perror("QUERY_MEM"); |
46 | return -1; |
47 | } |
48 | |
49 | /* must disable when changing stuff */ |
50 | if (pi.enabled) { |
51 | pi.enabled = 0; |
52 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
53 | if (ret != 0) |
54 | perror("SETUP_PLANE"); |
55 | } |
56 | |
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57 | if (first_call) { |
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58 | mi.size = 640*512*3*3; |
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59 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
60 | if (ret != 0) { |
61 | perror("SETUP_MEM"); |
62 | return -1; |
63 | } |
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64 | } |
65 | |
66 | pi.pos_x = x; |
67 | pi.pos_y = y; |
68 | pi.out_width = w; |
69 | pi.out_height = h; |
70 | pi.enabled = enabled; |
71 | |
72 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
73 | if (ret != 0) { |
74 | perror("SETUP_PLANE"); |
75 | return -1; |
76 | } |
77 | |
78 | return 0; |
79 | } |
80 | |
81 | int omap_enable_layer(int enabled) |
82 | { |
83 | return omap_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, |
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84 | g_layer_x, g_layer_y, g_layer_w, g_layer_h, 0); |
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85 | } |
86 | |
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87 | void plat_video_menu_enter(int is_rom_loaded) |
88 | { |
89 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
90 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3); |
91 | if (g_menuscreen_ptr == NULL) |
92 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
93 | } |
94 | |
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95 | void plat_video_menu_begin(void) |
96 | { |
97 | } |
98 | |
99 | void plat_video_menu_end(void) |
100 | { |
101 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
102 | } |
103 | |
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104 | void plat_video_menu_leave(void) |
105 | { |
106 | /* have to get rid of panning so that plugins that |
107 | * use fb0 and don't ever pan can work. */ |
108 | vout_fbdev_clear(main_fb); |
109 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
110 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1); |
111 | if (g_menuscreen_ptr == NULL) |
112 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
113 | } |
114 | |
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115 | void plat_init(void) |
116 | { |
117 | const char *main_fb_name, *layer_fb_name; |
118 | void *temp_frame; |
119 | int fd, ret, w, h; |
120 | |
121 | main_fb_name = getenv("FBDEV_MAIN"); |
122 | if (main_fb_name == NULL) |
123 | main_fb_name = "/dev/fb0"; |
124 | |
125 | layer_fb_name = getenv("FBDEV_LAYER"); |
126 | if (layer_fb_name == NULL) |
127 | layer_fb_name = "/dev/fb1"; |
128 | |
129 | // must set the layer up first to be able to use it |
130 | fd = open(layer_fb_name, O_RDWR); |
131 | if (fd == -1) { |
132 | fprintf(stderr, "%s: ", layer_fb_name); |
133 | perror("open"); |
134 | exit(1); |
135 | } |
136 | |
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137 | ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h, 1); |
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138 | close(fd); |
139 | if (ret != 0) { |
140 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
141 | exit(1); |
142 | } |
143 | |
144 | oshide_init(); |
145 | |
146 | w = h = 0; |
147 | main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2); |
148 | if (main_fb == NULL) { |
149 | fprintf(stderr, "couldn't init fb: %s\n", main_fb_name); |
150 | exit(1); |
151 | } |
152 | |
153 | g_menuscreen_w = w; |
154 | g_menuscreen_h = h; |
155 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
156 | |
157 | w = 640; |
158 | h = 512; // ?? |
159 | layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3); |
160 | if (layer_fb == NULL) { |
161 | fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name); |
162 | goto fail0; |
163 | } |
164 | |
165 | temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1); |
166 | if (temp_frame == NULL) { |
167 | fprintf(stderr, "OOM\n"); |
168 | goto fail1; |
169 | } |
170 | g_menubg_ptr = temp_frame; |
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171 | |
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172 | // hmh |
173 | pandora_rescan_inputs(); |
174 | |
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175 | return; |
176 | |
177 | fail1: |
178 | vout_fbdev_finish(layer_fb); |
179 | fail0: |
180 | vout_fbdev_finish(main_fb); |
181 | exit(1); |
182 | |
183 | } |
184 | |
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185 | void plat_finish(void) |
186 | { |
187 | omap_enable_layer(0); |
188 | vout_fbdev_finish(layer_fb); |
189 | vout_fbdev_finish(main_fb); |
190 | oshide_finish(); |
191 | } |
192 | |