| 1 | \r |
| 2 | #include <stdio.h>\r |
| 3 | #include <stdlib.h>\r |
| 4 | #include <stdarg.h>\r |
| 5 | #include <string.h>\r |
| 6 | #include <unistd.h>\r |
| 7 | #include <sys/mman.h>\r |
| 8 | #include <sys/types.h>\r |
| 9 | #include <sys/stat.h>\r |
| 10 | #include <sys/ioctl.h>\r |
| 11 | #include <sys/soundcard.h>\r |
| 12 | #include <linux/fb.h>\r |
| 13 | #include <fcntl.h>\r |
| 14 | #include <errno.h>\r |
| 15 | \r |
| 16 | #include "../gp2x/gp2x.h"\r |
| 17 | #include "../gp2x/usbjoy.h"\r |
| 18 | #include "../common/arm_utils.h"\r |
| 19 | \r |
| 20 | static volatile unsigned int *memregs = MAP_FAILED;\r |
| 21 | //static\r |
| 22 | int memdev = 0;\r |
| 23 | static int fbdev = -1, sounddev = -1, mixerdev = -1, touchdev = -1;\r |
| 24 | static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\r |
| 25 | \r |
| 26 | //#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff)\r |
| 27 | #define SCREEN_MAP_SIZE (800*480*2)\r |
| 28 | static void *screen = MAP_FAILED;\r |
| 29 | void *gp2x_screen;\r |
| 30 | \r |
| 31 | \r |
| 32 | /* video stuff */\r |
| 33 | void gp2x_video_flip(void)\r |
| 34 | {\r |
| 35 | }\r |
| 36 | \r |
| 37 | /* doulblebuffered flip */\r |
| 38 | void gp2x_video_flip2(void)\r |
| 39 | {\r |
| 40 | }\r |
| 41 | \r |
| 42 | \r |
| 43 | void gp2x_video_changemode2(int bpp)\r |
| 44 | {\r |
| 45 | }\r |
| 46 | \r |
| 47 | \r |
| 48 | void gp2x_video_changemode(int bpp)\r |
| 49 | {\r |
| 50 | }\r |
| 51 | \r |
| 52 | \r |
| 53 | void gp2x_video_setpalette(int *pal, int len)\r |
| 54 | {\r |
| 55 | }\r |
| 56 | \r |
| 57 | \r |
| 58 | void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)\r |
| 59 | {\r |
| 60 | }\r |
| 61 | \r |
| 62 | \r |
| 63 | void gp2x_video_wait_vsync(void)\r |
| 64 | {\r |
| 65 | }\r |
| 66 | \r |
| 67 | \r |
| 68 | void gp2x_video_flush_cache(void)\r |
| 69 | {\r |
| 70 | // flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);\r |
| 71 | }\r |
| 72 | \r |
| 73 | \r |
| 74 | void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)\r |
| 75 | {\r |
| 76 | }\r |
| 77 | \r |
| 78 | \r |
| 79 | void gp2x_memcpy_all_buffers(void *data, int offset, int len)\r |
| 80 | {\r |
| 81 | }\r |
| 82 | \r |
| 83 | \r |
| 84 | void gp2x_memset_all_buffers(int offset, int byte, int len)\r |
| 85 | {\r |
| 86 | memset((char *)gp2x_screen + offset, byte, len);\r |
| 87 | }\r |
| 88 | \r |
| 89 | \r |
| 90 | void gp2x_pd_clone_buffer2(void)\r |
| 91 | {\r |
| 92 | }\r |
| 93 | \r |
| 94 | \r |
| 95 | unsigned long gp2x_joystick_read(int allow_usb_joy)\r |
| 96 | {\r |
| 97 | unsigned long value = 0;\r |
| 98 | int i;\r |
| 99 | \r |
| 100 | if (allow_usb_joy && num_of_joys > 0) {\r |
| 101 | // check the usb joy as well..\r |
| 102 | gp2x_usbjoy_update();\r |
| 103 | for (i = 0; i < num_of_joys; i++)\r |
| 104 | value |= gp2x_usbjoy_check(i);\r |
| 105 | }\r |
| 106 | \r |
| 107 | return value;\r |
| 108 | }\r |
| 109 | \r |
| 110 | typedef struct ucb1x00_ts_event\r |
| 111 | {\r |
| 112 | unsigned short pressure;\r |
| 113 | unsigned short x;\r |
| 114 | unsigned short y;\r |
| 115 | unsigned short pad;\r |
| 116 | struct timeval stamp;\r |
| 117 | } UCB1X00_TS_EVENT;\r |
| 118 | \r |
| 119 | int gp2x_touchpad_read(int *x, int *y)\r |
| 120 | {\r |
| 121 | UCB1X00_TS_EVENT event;\r |
| 122 | static int zero_seen = 0;\r |
| 123 | int retval;\r |
| 124 | \r |
| 125 | if (touchdev < 0) return -1;\r |
| 126 | \r |
| 127 | retval = read(touchdev, &event, sizeof(event));\r |
| 128 | if (retval <= 0) {\r |
| 129 | printf("touch read failed %i %i\n", retval, errno);\r |
| 130 | return -1;\r |
| 131 | }\r |
| 132 | // this is to ignore the messed-up 4.1.x driver\r |
| 133 | if (event.pressure == 0) zero_seen = 1;\r |
| 134 | \r |
| 135 | if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16;\r |
| 136 | if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16;\r |
| 137 | // printf("read %i %i %i\n", event.pressure, *x, *y);\r |
| 138 | \r |
| 139 | return zero_seen ? event.pressure : 0;\r |
| 140 | }\r |
| 141 | \r |
| 142 | \r |
| 143 | //static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;\r |
| 144 | \r |
| 145 | void gp2x_start_sound(int rate, int bits, int stereo)\r |
| 146 | {\r |
| 147 | #if 0\r |
| 148 | int frag = 0, bsize, buffers;\r |
| 149 | \r |
| 150 | // if no settings change, we don't need to do anything\r |
| 151 | if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;\r |
| 152 | \r |
| 153 | if (sounddev > 0) close(sounddev);\r |
| 154 | sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);\r |
| 155 | if (sounddev == -1)\r |
| 156 | printf("open(\"/dev/dsp\") failed with %i\n", errno);\r |
| 157 | \r |
| 158 | ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);\r |
| 159 | ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);\r |
| 160 | ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);\r |
| 161 | // calculate buffer size\r |
| 162 | buffers = 16;\r |
| 163 | bsize = rate / 32;\r |
| 164 | if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding\r |
| 165 | while ((bsize>>=1)) frag++;\r |
| 166 | frag |= buffers<<16; // 16 buffers\r |
| 167 | ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);\r |
| 168 | usleep(192*1024);\r |
| 169 | \r |
| 170 | printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",\r |
| 171 | rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));\r |
| 172 | \r |
| 173 | s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;\r |
| 174 | #endif\r |
| 175 | }\r |
| 176 | \r |
| 177 | \r |
| 178 | void gp2x_sound_write(void *buff, int len)\r |
| 179 | {\r |
| 180 | // write(sounddev, buff, len);\r |
| 181 | }\r |
| 182 | \r |
| 183 | void gp2x_sound_sync(void)\r |
| 184 | {\r |
| 185 | // ioctl(sounddev, SOUND_PCM_SYNC, 0);\r |
| 186 | }\r |
| 187 | \r |
| 188 | void gp2x_sound_volume(int l, int r)\r |
| 189 | {\r |
| 190 | #if 0\r |
| 191 | l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;\r |
| 192 | l<<=8; l|=r;\r |
| 193 | ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/\r |
| 194 | #endif\r |
| 195 | }\r |
| 196 | \r |
| 197 | \r |
| 198 | /* common */\r |
| 199 | void gp2x_init(void)\r |
| 200 | {\r |
| 201 | struct fb_fix_screeninfo fbfix;\r |
| 202 | int ret;\r |
| 203 | \r |
| 204 | printf("entering init()\n"); fflush(stdout);\r |
| 205 | \r |
| 206 | memdev = open("/dev/mem", O_RDWR);\r |
| 207 | if (memdev == -1)\r |
| 208 | {\r |
| 209 | printf("open(\"/dev/mem\") failed with %i\n", errno);\r |
| 210 | exit(1);\r |
| 211 | }\r |
| 212 | /*\r |
| 213 | memregs = mmap(0, 0x01000000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x48000000);\r |
| 214 | if (memregs == MAP_FAILED)\r |
| 215 | {\r |
| 216 | printf("mmap(memregs) failed with %i\n", errno);\r |
| 217 | exit(1);\r |
| 218 | }\r |
| 219 | */\r |
| 220 | fbdev = open("/dev/fb0", O_RDWR);\r |
| 221 | if (fbdev == -1)\r |
| 222 | {\r |
| 223 | printf("open(\"/dev/fb0\") failed with %i\n", errno);\r |
| 224 | exit(1);\r |
| 225 | }\r |
| 226 | \r |
| 227 | ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);\r |
| 228 | if (ret == -1)\r |
| 229 | {\r |
| 230 | printf("ioctl(fbdev) failed with %i\n", errno);\r |
| 231 | exit(1);\r |
| 232 | }\r |
| 233 | \r |
| 234 | // squidge hack\r |
| 235 | if (fbfix.line_length != 800*2)\r |
| 236 | {\r |
| 237 | gp2x_screen = malloc(800*640*2);\r |
| 238 | return;\r |
| 239 | }\r |
| 240 | \r |
| 241 | screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);\r |
| 242 | if (screen == MAP_FAILED)\r |
| 243 | {\r |
| 244 | printf("mmap(fbptr) failed with %i\n", errno);\r |
| 245 | exit(1);\r |
| 246 | }\r |
| 247 | printf("fbptr %p\n", screen);\r |
| 248 | // gp2x_screen = (char *)screen + 800*10*2-64;\r |
| 249 | gp2x_screen = screen;\r |
| 250 | \r |
| 251 | \r |
| 252 | // snd\r |
| 253 | mixerdev = open("/dev/mixer", O_RDWR);\r |
| 254 | if (mixerdev == -1)\r |
| 255 | printf("open(\"/dev/mixer\") failed with %i\n", errno);\r |
| 256 | \r |
| 257 | /* init usb joys -GnoStiC */\r |
| 258 | gp2x_usbjoy_init();\r |
| 259 | \r |
| 260 | // touchscreen\r |
| 261 | touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);\r |
| 262 | if (touchdev >= 0) {\r |
| 263 | FILE *pcf = fopen("/etc/pointercal", "r");\r |
| 264 | if (pcf) {\r |
| 265 | fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1],\r |
| 266 | &touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]);\r |
| 267 | fclose(pcf);\r |
| 268 | }\r |
| 269 | printf("found touchscreen/wm97xx\n");\r |
| 270 | }\r |
| 271 | \r |
| 272 | printf("exitting init()\n"); fflush(stdout);\r |
| 273 | }\r |
| 274 | \r |
| 275 | void gp2x_deinit(void)\r |
| 276 | {\r |
| 277 | //gp2x_video_changemode(15);\r |
| 278 | \r |
| 279 | if (screen != MAP_FAILED)\r |
| 280 | munmap(screen, SCREEN_MAP_SIZE);\r |
| 281 | if (memregs != MAP_FAILED)\r |
| 282 | munmap((void *)memregs, 0x10000);\r |
| 283 | close(memdev);\r |
| 284 | if (fbdev >= 0) close(fbdev);\r |
| 285 | if (mixerdev >= 0) close(mixerdev);\r |
| 286 | if (sounddev >= 0) close(sounddev);\r |
| 287 | if (touchdev >= 0) close(touchdev);\r |
| 288 | \r |
| 289 | gp2x_usbjoy_deinit();\r |
| 290 | \r |
| 291 | printf("all done");\r |
| 292 | }\r |
| 293 | \r |
| 294 | /* lprintf */\r |
| 295 | void lprintf(const char *fmt, ...)\r |
| 296 | {\r |
| 297 | va_list vl;\r |
| 298 | \r |
| 299 | va_start(vl, fmt);\r |
| 300 | vprintf(fmt, vl);\r |
| 301 | va_end(vl);\r |
| 302 | }\r |
| 303 | \r |
| 304 | \r |
| 305 | /* fake GP2X */\r |
| 306 | int crashed_940 = 0;\r |
| 307 | \r |
| 308 | int readpng(void *dest, const char *fname, int what) { return -1; }\r |
| 309 | void set_gamma(int g100, int A_SNs_curve) {}\r |
| 310 | void set_FCLK(unsigned MHZ) {}\r |
| 311 | void set_LCD_custom_rate(int rate) {}\r |
| 312 | void unset_LCD_custom_rate(void) {}\r |
| 313 | void Pause940(int yes) {}\r |
| 314 | void Reset940(int yes, int bank) {}\r |
| 315 | \r |