-#include <string.h>\r
-#include <unistd.h>\r
-#include <sys/mman.h>\r
-#include <sys/types.h>\r
-#include <sys/stat.h>\r
-#include <sys/ioctl.h>\r
-#include <sys/soundcard.h>\r
-#include <linux/fb.h>\r
-#include <fcntl.h>\r
-#include <errno.h>\r
-\r
-#include "../gp2x/gp2x.h"\r
-#include "../gp2x/usbjoy.h"\r
-#include "../common/arm_utils.h"\r
-\r
-static volatile unsigned int *memregs = MAP_FAILED;\r
-//static\r
-int memdev = 0;\r
-static int fbdev = -1, sounddev = -1, mixerdev = -1, touchdev = -1;\r
-static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\r
-\r
-//#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff)\r
-#define SCREEN_MAP_SIZE (800*480*2)\r
-static void *screen = MAP_FAILED;\r
-void *gp2x_screen;\r
-\r
-\r
-/* video stuff */\r
-void gp2x_video_flip(void)\r
-{\r
-}\r
-\r
-/* doulblebuffered flip */\r
-void gp2x_video_flip2(void)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_changemode2(int bpp)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_changemode(int bpp)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_setpalette(int *pal, int len)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_wait_vsync(void)\r
-{\r
-}\r
-\r
-\r
-void gp2x_video_flush_cache(void)\r
-{\r
-// flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);\r
-}\r
-\r
-\r
-void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)\r
-{\r
-}\r
-\r
-\r
-void gp2x_memcpy_all_buffers(void *data, int offset, int len)\r
-{\r
-}\r
-\r
-\r
-void gp2x_memset_all_buffers(int offset, int byte, int len)\r
-{\r
- memset((char *)gp2x_screen + offset, byte, len);\r
-}\r
-\r
-\r
-void gp2x_pd_clone_buffer2(void)\r
-{\r
-}\r
-\r
-\r
-unsigned long gp2x_joystick_read(int allow_usb_joy)\r
-{\r
- unsigned long value = 0;\r
- int i;\r
-\r
- if (allow_usb_joy && num_of_joys > 0) {\r
- // check the usb joy as well..\r
- gp2x_usbjoy_update();\r
- for (i = 0; i < num_of_joys; i++)\r
- value |= gp2x_usbjoy_check(i);\r
- }\r
-\r
- return value;\r
-}\r
-\r
-typedef struct ucb1x00_ts_event\r
-{\r
- unsigned short pressure;\r
- unsigned short x;\r
- unsigned short y;\r
- unsigned short pad;\r
- struct timeval stamp;\r
-} UCB1X00_TS_EVENT;\r
-\r
-int gp2x_touchpad_read(int *x, int *y)\r
-{\r
- UCB1X00_TS_EVENT event;\r
- static int zero_seen = 0;\r
- int retval;\r
-\r
- if (touchdev < 0) return -1;\r
-\r
- retval = read(touchdev, &event, sizeof(event));\r
- if (retval <= 0) {\r
- printf("touch read failed %i %i\n", retval, errno);\r
- return -1;\r
- }\r
- // this is to ignore the messed-up 4.1.x driver\r
- if (event.pressure == 0) zero_seen = 1;\r
-\r
- if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16;\r
- if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16;\r
- // printf("read %i %i %i\n", event.pressure, *x, *y);\r
-\r
- return zero_seen ? event.pressure : 0;\r
-}\r
-\r
-\r
-//static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;\r
-\r
-void gp2x_start_sound(int rate, int bits, int stereo)\r
-{\r
-#if 0\r
- int frag = 0, bsize, buffers;\r
-\r
- // if no settings change, we don't need to do anything\r
- if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;\r
-\r
- if (sounddev > 0) close(sounddev);\r
- sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);\r
- if (sounddev == -1)\r
- printf("open(\"/dev/dsp\") failed with %i\n", errno);\r
-\r
- ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);\r
- ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);\r
- ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);\r
- // calculate buffer size\r
- buffers = 16;\r
- bsize = rate / 32;\r
- if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding\r
- while ((bsize>>=1)) frag++;\r
- frag |= buffers<<16; // 16 buffers\r
- ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);\r
- usleep(192*1024);\r
-\r
- printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",\r
- rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));\r
-\r
- s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;\r
-#endif\r
-}\r