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1 | /* gameplaySP - pandora backend |
2 | * |
3 | * Copyright (C) 2011 notaz <notasas@gmail.com> |
4 | * |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as |
7 | * published by the Free Software Foundation; either version 2 of |
8 | * the License, or (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
18 | */ |
19 | |
20 | #include "../common.h" |
21 | #include <X11/keysym.h> |
22 | #include "linux/omapfb.h" // |
23 | #include <sys/types.h> |
24 | #include <sys/stat.h> |
25 | #include <fcntl.h> |
26 | #include <sys/ioctl.h> |
27 | |
28 | #include "linux/fbdev.h" |
29 | #include "linux/xenv.h" |
30 | |
31 | enum gpsp_key { |
32 | GKEY_UP = 1 << 0, |
33 | GKEY_LEFT = 1 << 1, |
34 | GKEY_DOWN = 1 << 2, |
35 | GKEY_RIGHT = 1 << 3, |
36 | GKEY_START = 1 << 4, |
37 | GKEY_SELECT = 1 << 5, |
38 | GKEY_L = 1 << 6, |
39 | GKEY_R = 1 << 7, |
40 | GKEY_A = 1 << 8, |
41 | GKEY_B = 1 << 9, |
42 | GKEY_X = 1 << 10, |
43 | GKEY_Y = 1 << 11, |
44 | GKEY_1 = 1 << 12, |
45 | GKEY_2 = 1 << 13, |
46 | GKEY_3 = 1 << 14, |
47 | GKEY_4 = 1 << 15, |
48 | GKEY_MENU = 1 << 16, |
49 | }; |
50 | |
51 | u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = |
52 | { |
53 | GKEY_UP, |
54 | GKEY_LEFT, |
55 | GKEY_DOWN, |
56 | GKEY_RIGHT, |
57 | GKEY_START, |
58 | GKEY_SELECT, |
59 | GKEY_L, |
60 | GKEY_R, |
61 | GKEY_A, |
62 | GKEY_B, |
63 | GKEY_X, |
64 | GKEY_Y, |
65 | GKEY_1, |
66 | GKEY_2, |
67 | GKEY_3, |
68 | GKEY_4, |
69 | GKEY_MENU, |
70 | }; |
71 | |
72 | u32 gamepad_config_map[PLAT_BUTTON_COUNT] = |
73 | { |
74 | BUTTON_ID_UP, // Up |
75 | BUTTON_ID_LEFT, // Left |
76 | BUTTON_ID_DOWN, // Down |
77 | BUTTON_ID_RIGHT, // Right |
78 | BUTTON_ID_START, // Start |
79 | BUTTON_ID_SELECT, // Select |
80 | BUTTON_ID_L, // Ltrigger |
81 | BUTTON_ID_R, // Rtrigger |
82 | BUTTON_ID_FPS, // A |
83 | BUTTON_ID_A, // B |
84 | BUTTON_ID_B, // X |
85 | BUTTON_ID_MENU, // Y |
86 | BUTTON_ID_SAVESTATE, // 1 |
87 | BUTTON_ID_LOADSTATE, // 2 |
88 | BUTTON_ID_FASTFORWARD, // 3 |
89 | BUTTON_ID_NONE, // 4 |
90 | BUTTON_ID_MENU // Space |
91 | }; |
92 | |
93 | static const u32 xk_to_gkey[] = { |
94 | XK_Up, XK_Left, XK_Down, XK_Right, XK_Alt_L, XK_Control_L, |
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95 | XK_Shift_R, XK_Control_R, XK_Home, XK_End, XK_Page_Down, XK_Page_Up, |
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96 | XK_1, XK_2, XK_3, XK_4, XK_space, |
97 | }; |
98 | |
99 | static const u8 gkey_to_cursor[32] = { |
100 | [0 ... 31] = CURSOR_NONE, |
101 | [0] = CURSOR_UP, CURSOR_LEFT, CURSOR_DOWN, CURSOR_RIGHT, CURSOR_NONE, CURSOR_NONE, |
102 | CURSOR_L, CURSOR_R, CURSOR_SELECT, CURSOR_SELECT, CURSOR_EXIT, CURSOR_BACK, |
103 | }; |
104 | |
105 | struct vout_fbdev *fb; |
106 | |
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107 | static int omap_setup_layer(int fd, int enabled, int x, int y, int w, int h) |
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108 | { |
109 | struct omapfb_plane_info pi = { 0, }; |
110 | struct omapfb_mem_info mi = { 0, }; |
111 | int ret; |
112 | |
113 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
114 | if (ret != 0) { |
115 | perror("QUERY_PLANE"); |
116 | return -1; |
117 | } |
118 | |
119 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
120 | if (ret != 0) { |
121 | perror("QUERY_MEM"); |
122 | return -1; |
123 | } |
124 | |
125 | /* must disable when changing stuff */ |
126 | if (pi.enabled) { |
127 | pi.enabled = 0; |
128 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
129 | if (ret != 0) |
130 | perror("SETUP_PLANE"); |
131 | } |
132 | |
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133 | if (mi.size < 240*160*2*4) { |
134 | mi.size = 240*160*2*4; |
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135 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
136 | if (ret != 0) { |
137 | perror("SETUP_MEM"); |
138 | return -1; |
139 | } |
140 | } |
141 | |
142 | pi.pos_x = x; |
143 | pi.pos_y = y; |
144 | pi.out_width = w; |
145 | pi.out_height = h; |
146 | pi.enabled = enabled; |
147 | |
148 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
149 | if (ret != 0) { |
150 | perror("SETUP_PLANE"); |
151 | return -1; |
152 | } |
153 | |
154 | return 0; |
155 | } |
156 | |
157 | void gpsp_plat_init(void) |
158 | { |
159 | int ret, w, h, fd; |
160 | const char *layer_fb_name; |
161 | |
162 | ret = SDL_Init(SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE); |
163 | if (ret != 0) { |
164 | fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); |
165 | exit(1); |
166 | } |
167 | |
168 | layer_fb_name = getenv("FBDEV_LAYER"); |
169 | if (layer_fb_name == NULL) |
170 | layer_fb_name = "/dev/fb1"; |
171 | |
172 | ret = xenv_init(); |
173 | if (ret != 0) { |
174 | fprintf(stderr, "xenv_init failed with %d\n", ret); |
175 | exit(1); |
176 | } |
177 | |
178 | // must set the layer up first to be able to use it |
179 | fd = open(layer_fb_name, O_RDWR); |
180 | if (fd == -1) { |
181 | fprintf(stderr, "%s: ", layer_fb_name); |
182 | perror("open"); |
183 | exit(1); |
184 | } |
185 | |
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186 | ret = omap_setup_layer(fd, 0, 0, 0, 400, 272); |
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187 | close(fd); |
188 | if (ret != 0) { |
189 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
190 | exit(1); |
191 | } |
192 | |
193 | w = 240; |
194 | h = 160; |
195 | fb = vout_fbdev_init("/dev/fb1", &w, &h, 16, 4); |
196 | if (fb == NULL) { |
197 | fprintf(stderr, "vout_fbdev_init failed\n"); |
198 | exit(1); |
199 | } |
200 | |
201 | // default to 3x scale |
202 | screen_scale = 2; |
203 | } |
204 | |
205 | void gpsp_plat_quit(void) |
206 | { |
207 | xenv_finish(); |
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208 | omap_setup_layer(vout_fbdev_get_fd(fb), 0, 0, 0, 0, 0); |
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209 | vout_fbdev_finish(fb); |
210 | SDL_Quit(); |
211 | } |
212 | |
213 | u32 gpsp_plat_joystick_read(void) |
214 | { |
215 | static int gkeystate; |
216 | int key, is_down, i; |
217 | int gkey = -1; |
218 | |
219 | key = xenv_update(&is_down); |
220 | for (i = 0; i < sizeof(xk_to_gkey) / sizeof(xk_to_gkey[0]); i++) { |
221 | if (key == xk_to_gkey[i]) { |
222 | gkey = i; |
223 | break; |
224 | } |
225 | } |
226 | |
227 | if (gkey >= 0) { |
228 | if (is_down) |
229 | gkeystate |= 1 << gkey; |
230 | else |
231 | gkeystate &= ~(1 << gkey); |
232 | } |
233 | |
234 | return gkeystate; |
235 | } |
236 | |
237 | u32 gpsp_plat_buttons_to_cursor(u32 buttons) |
238 | { |
239 | int i; |
240 | |
241 | if (buttons == 0) |
242 | return CURSOR_NONE; |
243 | |
244 | for (i = 0; (buttons & 1) == 0; i++, buttons >>= 1) |
245 | ; |
246 | |
247 | return gkey_to_cursor[i]; |
248 | } |
249 | |
250 | static void set_filter(int is_filtered) |
251 | { |
252 | static int was_filtered = -1; |
253 | char buf[128]; |
254 | |
255 | if (is_filtered == was_filtered) |
256 | return; |
257 | |
258 | snprintf(buf, sizeof(buf), "sudo -n /usr/pandora/scripts/op_videofir.sh %s", |
259 | is_filtered ? "default" : "none"); |
260 | system(buf); |
261 | was_filtered = is_filtered; |
262 | } |
263 | |
264 | void *fb_flip_screen(void) |
265 | { |
266 | return vout_fbdev_flip(fb); |
267 | } |
268 | |
269 | void fb_wait_vsync(void) |
270 | { |
271 | vout_fbdev_wait_vsync(fb); |
272 | } |
273 | |
274 | void fb_set_mode(int w, int h, int buffers, int scale, int filter) |
275 | { |
276 | int lx, ly, lw = w, lh = h; |
277 | switch (scale) { |
278 | case 0: |
279 | lw = w; |
280 | lh = h; |
281 | break; |
282 | case 1: |
283 | lw = w * 2; |
284 | lh = h * 2; |
285 | break; |
286 | case 2: |
287 | lw = w * 3; |
288 | lh = h * 3; |
289 | break; |
290 | case 3: |
291 | lw = 800; |
292 | lh = 480; |
293 | break; |
294 | case 15: |
295 | lw = w * 2; |
296 | lh = h + h /2; |
297 | break; |
298 | default: |
299 | fprintf(stderr, "unknown scale: %d\n", scale); |
300 | break; |
301 | } |
302 | if (lw > 800) |
303 | lw = 800; |
304 | if (lh > 480) |
305 | lh = 480; |
306 | lx = 800 / 2 - lw / 2; |
307 | ly = 480 / 2 - lh / 2; |
308 | |
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309 | omap_setup_layer(vout_fbdev_get_fd(fb), 1, lx, ly, lw, lh); |
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310 | set_filter(filter); |
311 | |
312 | vout_fbdev_resize(fb, w, h, 16, 0, 0, 0, 0, buffers); |
313 | } |
314 | |
315 | // vim:shiftwidth=2:expandtab |