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1 | /* |
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2 | * (C) GraÅžvydas "notaz" Ignotas, 2010-2012 |
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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" |
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19 | #include "linux/xenv.h" |
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20 | #include "plugin_lib.h" |
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21 | #include "pl_gun_ts.h" |
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22 | #include "plat.h" |
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23 | #include "plat_omap.h" |
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24 | #include "menu.h" |
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25 | |
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26 | static struct vout_fbdev *main_fb, *layer_fb; |
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27 | |
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28 | static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h) |
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29 | { |
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30 | struct omapfb_plane_info pi = { 0, }; |
31 | struct omapfb_mem_info mi = { 0, }; |
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32 | int ret; |
33 | |
34 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
35 | if (ret != 0) { |
36 | perror("QUERY_PLANE"); |
37 | return -1; |
38 | } |
39 | |
40 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
41 | if (ret != 0) { |
42 | perror("QUERY_MEM"); |
43 | return -1; |
44 | } |
45 | |
46 | /* must disable when changing stuff */ |
47 | if (pi.enabled) { |
48 | pi.enabled = 0; |
49 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
50 | if (ret != 0) |
51 | perror("SETUP_PLANE"); |
52 | } |
53 | |
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54 | if (mi.size < 640*512*3*3) { |
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55 | mi.size = 640*512*3*3; |
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56 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
57 | if (ret != 0) { |
58 | perror("SETUP_MEM"); |
59 | return -1; |
60 | } |
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61 | } |
62 | |
63 | pi.pos_x = x; |
64 | pi.pos_y = y; |
65 | pi.out_width = w; |
66 | pi.out_height = h; |
67 | pi.enabled = enabled; |
68 | |
69 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
70 | if (ret != 0) { |
71 | perror("SETUP_PLANE"); |
72 | return -1; |
73 | } |
74 | |
75 | return 0; |
76 | } |
77 | |
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78 | static int omap_enable_layer(int enabled) |
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79 | { |
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80 | if (enabled) |
81 | pl_set_gun_rect(g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
82 | |
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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); |
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85 | } |
86 | |
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87 | void plat_omap_gvideo_open(void) |
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88 | { |
89 | omap_enable_layer(1); |
90 | |
91 | // try to align redraws to vsync |
92 | vout_fbdev_wait_vsync(layer_fb); |
93 | } |
94 | |
95 | void *plat_gvideo_set_mode(int *w, int *h, int *bpp) |
96 | { |
97 | void *buf; |
98 | |
99 | vout_fbdev_clear(layer_fb); |
100 | buf = vout_fbdev_resize(layer_fb, *w, *h, *bpp, 0, 0, 0, 0, 3); |
101 | |
102 | omap_enable_layer(1); |
103 | |
104 | return buf; |
105 | } |
106 | |
107 | void *plat_gvideo_flip(void) |
108 | { |
109 | return vout_fbdev_flip(layer_fb); |
110 | } |
111 | |
112 | void plat_gvideo_close(void) |
113 | { |
114 | omap_enable_layer(0); |
115 | } |
116 | |
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117 | void plat_video_menu_enter(int is_rom_loaded) |
118 | { |
119 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
120 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3); |
121 | if (g_menuscreen_ptr == NULL) |
122 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
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123 | |
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124 | xenv_update(NULL, NULL, NULL, NULL); |
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125 | } |
126 | |
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127 | void plat_video_menu_begin(void) |
128 | { |
129 | } |
130 | |
131 | void plat_video_menu_end(void) |
132 | { |
133 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
134 | } |
135 | |
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136 | void plat_video_menu_leave(void) |
137 | { |
138 | /* have to get rid of panning so that plugins that |
139 | * use fb0 and don't ever pan can work. */ |
140 | vout_fbdev_clear(main_fb); |
141 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
142 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1); |
143 | if (g_menuscreen_ptr == NULL) |
144 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
145 | } |
146 | |
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147 | void plat_minimize(void) |
148 | { |
149 | omap_enable_layer(0); |
150 | xenv_minimize(); |
151 | omap_enable_layer(1); |
152 | } |
153 | |
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154 | void *plat_prepare_screenshot(int *w, int *h, int *bpp) |
155 | { |
156 | return NULL; |
157 | } |
158 | |
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159 | void plat_omap_init(void) |
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160 | { |
161 | const char *main_fb_name, *layer_fb_name; |
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162 | int fd, ret, w, h; |
163 | |
164 | main_fb_name = getenv("FBDEV_MAIN"); |
165 | if (main_fb_name == NULL) |
166 | main_fb_name = "/dev/fb0"; |
167 | |
168 | layer_fb_name = getenv("FBDEV_LAYER"); |
169 | if (layer_fb_name == NULL) |
170 | layer_fb_name = "/dev/fb1"; |
171 | |
172 | // must set the layer up first to be able to use it |
173 | fd = open(layer_fb_name, O_RDWR); |
174 | if (fd == -1) { |
175 | fprintf(stderr, "%s: ", layer_fb_name); |
176 | perror("open"); |
177 | exit(1); |
178 | } |
179 | |
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180 | g_layer_x = 80, g_layer_y = 0; |
181 | g_layer_w = 640, g_layer_h = 480; |
182 | |
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183 | ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
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184 | close(fd); |
185 | if (ret != 0) { |
186 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
187 | exit(1); |
188 | } |
189 | |
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190 | xenv_init(NULL, "PCSX-ReARMed"); |
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191 | |
192 | w = h = 0; |
193 | main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2); |
194 | if (main_fb == NULL) { |
195 | fprintf(stderr, "couldn't init fb: %s\n", main_fb_name); |
196 | exit(1); |
197 | } |
198 | |
199 | g_menuscreen_w = w; |
200 | g_menuscreen_h = h; |
201 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
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202 | pl_rearmed_cbs.screen_w = w; |
203 | pl_rearmed_cbs.screen_h = h; |
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204 | |
205 | w = 640; |
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206 | h = 512; |
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207 | layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3); |
208 | if (layer_fb == NULL) { |
209 | fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name); |
210 | goto fail0; |
211 | } |
212 | |
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213 | return; |
214 | |
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215 | fail0: |
216 | vout_fbdev_finish(main_fb); |
217 | exit(1); |
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218 | } |
219 | |
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220 | void plat_omap_finish(void) |
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221 | { |
222 | omap_enable_layer(0); |
223 | vout_fbdev_finish(layer_fb); |
224 | vout_fbdev_finish(main_fb); |
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225 | xenv_finish(); |
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226 | } |
227 | |