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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" |
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21 | #include "pl_gun_ts.h" |
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22 | #include "omap.h" |
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23 | #include "plat.h" |
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24 | |
25 | |
26 | static struct vout_fbdev *main_fb; |
27 | int g_layer_x = 80, g_layer_y = 0; |
28 | int g_layer_w = 640, g_layer_h = 480; |
29 | |
30 | struct vout_fbdev *layer_fb; |
31 | |
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32 | static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h) |
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33 | { |
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34 | struct omapfb_plane_info pi = { 0, }; |
35 | struct omapfb_mem_info mi = { 0, }; |
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36 | int ret; |
37 | |
38 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
39 | if (ret != 0) { |
40 | perror("QUERY_PLANE"); |
41 | return -1; |
42 | } |
43 | |
44 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
45 | if (ret != 0) { |
46 | perror("QUERY_MEM"); |
47 | return -1; |
48 | } |
49 | |
50 | /* must disable when changing stuff */ |
51 | if (pi.enabled) { |
52 | pi.enabled = 0; |
53 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
54 | if (ret != 0) |
55 | perror("SETUP_PLANE"); |
56 | } |
57 | |
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58 | if (mi.size < 640*512*3*3) { |
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59 | mi.size = 640*512*3*3; |
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60 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
61 | if (ret != 0) { |
62 | perror("SETUP_MEM"); |
63 | return -1; |
64 | } |
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65 | } |
66 | |
67 | pi.pos_x = x; |
68 | pi.pos_y = y; |
69 | pi.out_width = w; |
70 | pi.out_height = h; |
71 | pi.enabled = enabled; |
72 | |
73 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
74 | if (ret != 0) { |
75 | perror("SETUP_PLANE"); |
76 | return -1; |
77 | } |
78 | |
79 | return 0; |
80 | } |
81 | |
82 | int omap_enable_layer(int enabled) |
83 | { |
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84 | if (enabled) |
85 | pl_set_gun_rect(g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
86 | |
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87 | return omap_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, |
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88 | g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
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89 | } |
90 | |
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91 | void plat_video_menu_enter(int is_rom_loaded) |
92 | { |
93 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
94 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3); |
95 | if (g_menuscreen_ptr == NULL) |
96 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
97 | } |
98 | |
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99 | void plat_video_menu_begin(void) |
100 | { |
101 | } |
102 | |
103 | void plat_video_menu_end(void) |
104 | { |
105 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
106 | } |
107 | |
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108 | void plat_video_menu_leave(void) |
109 | { |
110 | /* have to get rid of panning so that plugins that |
111 | * use fb0 and don't ever pan can work. */ |
112 | vout_fbdev_clear(main_fb); |
113 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
114 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1); |
115 | if (g_menuscreen_ptr == NULL) |
116 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
117 | } |
118 | |
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119 | void plat_init(void) |
120 | { |
121 | const char *main_fb_name, *layer_fb_name; |
122 | void *temp_frame; |
123 | int fd, ret, w, h; |
124 | |
125 | main_fb_name = getenv("FBDEV_MAIN"); |
126 | if (main_fb_name == NULL) |
127 | main_fb_name = "/dev/fb0"; |
128 | |
129 | layer_fb_name = getenv("FBDEV_LAYER"); |
130 | if (layer_fb_name == NULL) |
131 | layer_fb_name = "/dev/fb1"; |
132 | |
133 | // must set the layer up first to be able to use it |
134 | fd = open(layer_fb_name, O_RDWR); |
135 | if (fd == -1) { |
136 | fprintf(stderr, "%s: ", layer_fb_name); |
137 | perror("open"); |
138 | exit(1); |
139 | } |
140 | |
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141 | ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
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142 | close(fd); |
143 | if (ret != 0) { |
144 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
145 | exit(1); |
146 | } |
147 | |
148 | oshide_init(); |
149 | |
150 | w = h = 0; |
151 | main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2); |
152 | if (main_fb == NULL) { |
153 | fprintf(stderr, "couldn't init fb: %s\n", main_fb_name); |
154 | exit(1); |
155 | } |
156 | |
157 | g_menuscreen_w = w; |
158 | g_menuscreen_h = h; |
159 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
160 | |
161 | w = 640; |
162 | h = 512; // ?? |
163 | layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3); |
164 | if (layer_fb == NULL) { |
165 | fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name); |
166 | goto fail0; |
167 | } |
168 | |
169 | temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1); |
170 | if (temp_frame == NULL) { |
171 | fprintf(stderr, "OOM\n"); |
172 | goto fail1; |
173 | } |
174 | g_menubg_ptr = temp_frame; |
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175 | |
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176 | // hmh |
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177 | plat_rescan_inputs(); |
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178 | |
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179 | return; |
180 | |
181 | fail1: |
182 | vout_fbdev_finish(layer_fb); |
183 | fail0: |
184 | vout_fbdev_finish(main_fb); |
185 | exit(1); |
186 | |
187 | } |
188 | |
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189 | void plat_finish(void) |
190 | { |
191 | omap_enable_layer(0); |
192 | vout_fbdev_finish(layer_fb); |
193 | vout_fbdev_finish(main_fb); |
194 | oshide_finish(); |
195 | } |
196 | |