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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 | |
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28 | #include "../arm/neon_scale2x.h" |
29 | #include "../arm/neon_scale3x.h" |
30 | #include "../arm/neon_eagle2x.h" |
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31 | #include "linux/fbdev.h" |
32 | #include "linux/xenv.h" |
33 | |
34 | enum gpsp_key { |
35 | GKEY_UP = 1 << 0, |
36 | GKEY_LEFT = 1 << 1, |
37 | GKEY_DOWN = 1 << 2, |
38 | GKEY_RIGHT = 1 << 3, |
39 | GKEY_START = 1 << 4, |
40 | GKEY_SELECT = 1 << 5, |
41 | GKEY_L = 1 << 6, |
42 | GKEY_R = 1 << 7, |
43 | GKEY_A = 1 << 8, |
44 | GKEY_B = 1 << 9, |
45 | GKEY_X = 1 << 10, |
46 | GKEY_Y = 1 << 11, |
47 | GKEY_1 = 1 << 12, |
48 | GKEY_2 = 1 << 13, |
49 | GKEY_3 = 1 << 14, |
50 | GKEY_4 = 1 << 15, |
51 | GKEY_MENU = 1 << 16, |
52 | }; |
53 | |
54 | u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = |
55 | { |
56 | GKEY_UP, |
57 | GKEY_LEFT, |
58 | GKEY_DOWN, |
59 | GKEY_RIGHT, |
60 | GKEY_START, |
61 | GKEY_SELECT, |
62 | GKEY_L, |
63 | GKEY_R, |
64 | GKEY_A, |
65 | GKEY_B, |
66 | GKEY_X, |
67 | GKEY_Y, |
68 | GKEY_1, |
69 | GKEY_2, |
70 | GKEY_3, |
71 | GKEY_4, |
72 | GKEY_MENU, |
73 | }; |
74 | |
75 | u32 gamepad_config_map[PLAT_BUTTON_COUNT] = |
76 | { |
77 | BUTTON_ID_UP, // Up |
78 | BUTTON_ID_LEFT, // Left |
79 | BUTTON_ID_DOWN, // Down |
80 | BUTTON_ID_RIGHT, // Right |
81 | BUTTON_ID_START, // Start |
82 | BUTTON_ID_SELECT, // Select |
83 | BUTTON_ID_L, // Ltrigger |
84 | BUTTON_ID_R, // Rtrigger |
85 | BUTTON_ID_FPS, // A |
86 | BUTTON_ID_A, // B |
87 | BUTTON_ID_B, // X |
88 | BUTTON_ID_MENU, // Y |
89 | BUTTON_ID_SAVESTATE, // 1 |
90 | BUTTON_ID_LOADSTATE, // 2 |
91 | BUTTON_ID_FASTFORWARD, // 3 |
92 | BUTTON_ID_NONE, // 4 |
93 | BUTTON_ID_MENU // Space |
94 | }; |
95 | |
96 | static const u32 xk_to_gkey[] = { |
97 | XK_Up, XK_Left, XK_Down, XK_Right, XK_Alt_L, XK_Control_L, |
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98 | XK_Shift_R, XK_Control_R, XK_Home, XK_End, XK_Page_Down, XK_Page_Up, |
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99 | XK_1, XK_2, XK_3, XK_4, XK_space, |
100 | }; |
101 | |
102 | static const u8 gkey_to_cursor[32] = { |
103 | [0 ... 31] = CURSOR_NONE, |
104 | [0] = CURSOR_UP, CURSOR_LEFT, CURSOR_DOWN, CURSOR_RIGHT, CURSOR_NONE, CURSOR_NONE, |
105 | CURSOR_L, CURSOR_R, CURSOR_SELECT, CURSOR_SELECT, CURSOR_EXIT, CURSOR_BACK, |
106 | }; |
107 | |
108 | struct vout_fbdev *fb; |
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109 | static void *fb_current; |
110 | static int bounce_buf[400 * 272 * 2 / 4]; |
111 | static int src_w = 240, src_h = 160; |
112 | static enum software_filter { |
113 | SWFILTER_NONE = 0, |
114 | SWFILTER_SCALE2X, |
115 | SWFILTER_SCALE3X, |
116 | SWFILTER_EAGLE2X, |
117 | } sw_filter; |
118 | |
119 | // (240*3 * 160*3 * 2 * 3) |
120 | #define MAX_VRAM_SIZE (400*2 * 272*2 * 2 * 3) |
121 | |
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122 | |
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123 | static int omap_setup_layer(int fd, int enabled, int x, int y, int w, int h) |
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124 | { |
125 | struct omapfb_plane_info pi = { 0, }; |
126 | struct omapfb_mem_info mi = { 0, }; |
127 | int ret; |
128 | |
129 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
130 | if (ret != 0) { |
131 | perror("QUERY_PLANE"); |
132 | return -1; |
133 | } |
134 | |
135 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
136 | if (ret != 0) { |
137 | perror("QUERY_MEM"); |
138 | return -1; |
139 | } |
140 | |
141 | /* must disable when changing stuff */ |
142 | if (pi.enabled) { |
143 | pi.enabled = 0; |
144 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
145 | if (ret != 0) |
146 | perror("SETUP_PLANE"); |
147 | } |
148 | |
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149 | /* alloc enough for 3x scaled tripple buffering */ |
150 | if (mi.size < MAX_VRAM_SIZE) { |
151 | mi.size = MAX_VRAM_SIZE; |
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152 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
153 | if (ret != 0) { |
154 | perror("SETUP_MEM"); |
155 | return -1; |
156 | } |
157 | } |
158 | |
159 | pi.pos_x = x; |
160 | pi.pos_y = y; |
161 | pi.out_width = w; |
162 | pi.out_height = h; |
163 | pi.enabled = enabled; |
164 | |
165 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
166 | if (ret != 0) { |
167 | perror("SETUP_PLANE"); |
168 | return -1; |
169 | } |
170 | |
171 | return 0; |
172 | } |
173 | |
174 | void gpsp_plat_init(void) |
175 | { |
176 | int ret, w, h, fd; |
177 | const char *layer_fb_name; |
178 | |
179 | ret = SDL_Init(SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE); |
180 | if (ret != 0) { |
181 | fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); |
182 | exit(1); |
183 | } |
184 | |
185 | layer_fb_name = getenv("FBDEV_LAYER"); |
186 | if (layer_fb_name == NULL) |
187 | layer_fb_name = "/dev/fb1"; |
188 | |
189 | ret = xenv_init(); |
190 | if (ret != 0) { |
191 | fprintf(stderr, "xenv_init failed with %d\n", ret); |
192 | exit(1); |
193 | } |
194 | |
195 | // must set the layer up first to be able to use it |
196 | fd = open(layer_fb_name, O_RDWR); |
197 | if (fd == -1) { |
198 | fprintf(stderr, "%s: ", layer_fb_name); |
199 | perror("open"); |
200 | exit(1); |
201 | } |
202 | |
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203 | ret = omap_setup_layer(fd, 0, 0, 0, 400, 272); |
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204 | close(fd); |
205 | if (ret != 0) { |
206 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
207 | exit(1); |
208 | } |
209 | |
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210 | // double of original menu size |
211 | w = 400*2; |
212 | h = 272*2; |
213 | fb = vout_fbdev_init("/dev/fb1", &w, &h, 16, 3); |
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214 | if (fb == NULL) { |
215 | fprintf(stderr, "vout_fbdev_init failed\n"); |
216 | exit(1); |
217 | } |
218 | |
219 | // default to 3x scale |
220 | screen_scale = 2; |
221 | } |
222 | |
223 | void gpsp_plat_quit(void) |
224 | { |
225 | xenv_finish(); |
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226 | omap_setup_layer(vout_fbdev_get_fd(fb), 0, 0, 0, 0, 0); |
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227 | vout_fbdev_finish(fb); |
228 | SDL_Quit(); |
229 | } |
230 | |
231 | u32 gpsp_plat_joystick_read(void) |
232 | { |
233 | static int gkeystate; |
234 | int key, is_down, i; |
235 | int gkey = -1; |
236 | |
237 | key = xenv_update(&is_down); |
238 | for (i = 0; i < sizeof(xk_to_gkey) / sizeof(xk_to_gkey[0]); i++) { |
239 | if (key == xk_to_gkey[i]) { |
240 | gkey = i; |
241 | break; |
242 | } |
243 | } |
244 | |
245 | if (gkey >= 0) { |
246 | if (is_down) |
247 | gkeystate |= 1 << gkey; |
248 | else |
249 | gkeystate &= ~(1 << gkey); |
250 | } |
251 | |
252 | return gkeystate; |
253 | } |
254 | |
255 | u32 gpsp_plat_buttons_to_cursor(u32 buttons) |
256 | { |
257 | int i; |
258 | |
259 | if (buttons == 0) |
260 | return CURSOR_NONE; |
261 | |
262 | for (i = 0; (buttons & 1) == 0; i++, buttons >>= 1) |
263 | ; |
264 | |
265 | return gkey_to_cursor[i]; |
266 | } |
267 | |
268 | static void set_filter(int is_filtered) |
269 | { |
270 | static int was_filtered = -1; |
271 | char buf[128]; |
272 | |
273 | if (is_filtered == was_filtered) |
274 | return; |
275 | |
276 | snprintf(buf, sizeof(buf), "sudo -n /usr/pandora/scripts/op_videofir.sh %s", |
277 | is_filtered ? "default" : "none"); |
278 | system(buf); |
279 | was_filtered = is_filtered; |
280 | } |
281 | |
282 | void *fb_flip_screen(void) |
283 | { |
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284 | void *ret = bounce_buf; |
285 | void *s = bounce_buf; |
286 | |
287 | switch (sw_filter) { |
288 | case SWFILTER_SCALE2X: |
289 | neon_scale2x_16_16(s, fb_current, src_w, src_w*2, src_w*2*2, src_h); |
290 | break; |
291 | case SWFILTER_SCALE3X: |
292 | neon_scale3x_16_16(s, fb_current, src_w, src_w*2, src_w*3*2, src_h); |
293 | break; |
294 | case SWFILTER_EAGLE2X: |
295 | neon_eagle2x_16_16(s, fb_current, src_w, src_w*2, src_w*2*2, src_h); |
296 | break; |
297 | case SWFILTER_NONE: |
298 | default: |
299 | break; |
300 | } |
301 | |
302 | fb_current = vout_fbdev_flip(fb); |
303 | if (sw_filter == SWFILTER_NONE) |
304 | ret = fb_current; |
305 | |
306 | return ret; |
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307 | } |
308 | |
309 | void fb_wait_vsync(void) |
310 | { |
311 | vout_fbdev_wait_vsync(fb); |
312 | } |
313 | |
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314 | void fb_set_mode(int w, int h, int buffers, int scale, |
315 | int filter, int filter2) |
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316 | { |
317 | int lx, ly, lw = w, lh = h; |
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318 | int multiplier; |
319 | |
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320 | switch (scale) { |
321 | case 0: |
322 | lw = w; |
323 | lh = h; |
324 | break; |
325 | case 1: |
326 | lw = w * 2; |
327 | lh = h * 2; |
328 | break; |
329 | case 2: |
330 | lw = w * 3; |
331 | lh = h * 3; |
332 | break; |
333 | case 3: |
334 | lw = 800; |
335 | lh = 480; |
336 | break; |
337 | case 15: |
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338 | lw = 800; |
339 | lh = 480; |
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340 | break; |
341 | default: |
342 | fprintf(stderr, "unknown scale: %d\n", scale); |
343 | break; |
344 | } |
345 | if (lw > 800) |
346 | lw = 800; |
347 | if (lh > 480) |
348 | lh = 480; |
349 | lx = 800 / 2 - lw / 2; |
350 | ly = 480 / 2 - lh / 2; |
351 | |
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352 | omap_setup_layer(vout_fbdev_get_fd(fb), 1, lx, ly, lw, lh); |
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353 | set_filter(filter); |
354 | |
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355 | sw_filter = filter2; |
356 | if (w != 240) // menu |
357 | sw_filter = SWFILTER_SCALE2X; |
358 | |
359 | switch (sw_filter) { |
360 | case SWFILTER_SCALE2X: |
361 | multiplier = 2; |
362 | break; |
363 | case SWFILTER_SCALE3X: |
364 | multiplier = 3; |
365 | break; |
366 | case SWFILTER_EAGLE2X: |
367 | multiplier = 2; |
368 | break; |
369 | case SWFILTER_NONE: |
370 | default: |
371 | multiplier = 1; |
372 | break; |
373 | } |
374 | |
375 | fb_current = vout_fbdev_resize(fb, w * multiplier, h * multiplier, |
376 | 16, 0, 0, 0, 0, buffers); |
377 | src_w = w; |
378 | src_h = h; |
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379 | } |
380 | |
381 | // vim:shiftwidth=2:expandtab |