[libpicofe.git] / pandora / pandora.c

\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <stdarg.h>\r
#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_linux.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
void gp2x_video_flush_cache(void)\r
{\r
//	cache_flush_d_inval_i(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);\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
	memset(gp2x_screen, 0, 800*480*2);\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
	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
}\r
\r
\r
void gp2x_sound_write(void *buff, int len)\r
{\r
	write(sounddev, buff, len);\r
}\r
\r
void gp2x_sound_sync(void)\r
{\r
//	ioctl(sounddev, SOUND_PCM_SYNC, 0);\r
}\r
\r
void gp2x_sound_volume(int l, int r)\r
{\r
#if 0\r
 	l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;\r
 	l<<=8; l|=r;\r
 	ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/\r
#endif\r
}\r
\r
\r
/* common */\r
void gp2x_init(void)\r
{\r
	struct fb_fix_screeninfo fbfix;\r
	int ret;\r
\r
	printf("entering init()\n"); fflush(stdout);\r
\r
  	memdev = open("/dev/mem", O_RDWR);\r
	if (memdev == -1)\r
	{\r
		printf("open(\"/dev/mem\") failed with %i\n", errno);\r
		exit(1);\r
	}\r
/*\r
	memregs = mmap(0, 0x01000000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x48000000);\r
	if (memregs == MAP_FAILED)\r
	{\r
		printf("mmap(memregs) failed with %i\n", errno);\r
		exit(1);\r
	}\r
*/\r
	fbdev = open("/dev/fb0", O_RDWR);\r
	if (fbdev == -1)\r
	{\r
		printf("open(\"/dev/fb0\") failed with %i\n", errno);\r
		exit(1);\r
	}\r
\r
	ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);\r
	if (ret == -1)\r
	{\r
		printf("ioctl(fbdev) failed with %i\n", errno);\r
		exit(1);\r
	}\r
\r
	// squidge hack\r
	if (fbfix.line_length != 800*2)\r
	{\r
		gp2x_screen = malloc(800*640*2);\r
		return;\r
	}\r
\r
	screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);\r
	if (screen == MAP_FAILED)\r
	{\r
		printf("mmap(fbptr) failed with %i\n", errno);\r
		exit(1);\r
	}\r
	printf("fbptr %p\n", screen);\r
//	gp2x_screen = (char *)screen + 800*10*2-64;\r
	gp2x_screen = screen;\r
\r
\r
	// snd\r
  	mixerdev = open("/dev/mixer", O_RDWR);\r
	if (mixerdev == -1)\r
		printf("open(\"/dev/mixer\") failed with %i\n", errno);\r
\r
	/* init usb joys -GnoStiC */\r
	gp2x_usbjoy_init();\r
\r
	// touchscreen\r
	touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);\r
	if (touchdev >= 0) {\r
		FILE *pcf = fopen("/etc/pointercal", "r");\r
		if (pcf) {\r
			fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1],\r
				&touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]);\r
			fclose(pcf);\r
		}\r
		printf("found touchscreen/wm97xx\n");\r
	}\r
\r
	printf("exitting init()\n"); fflush(stdout);\r
}\r
\r
void gp2x_deinit(void)\r
{\r
	//gp2x_video_changemode(15);\r
\r
	if (screen != MAP_FAILED)\r
		munmap(screen, SCREEN_MAP_SIZE);\r
	if (memregs != MAP_FAILED)\r
		munmap((void *)memregs, 0x10000);\r
	close(memdev);\r
	if (fbdev >= 0)    close(fbdev);\r
	if (mixerdev >= 0) close(mixerdev);\r
	if (sounddev >= 0) close(sounddev);\r
	if (touchdev >= 0) close(touchdev);\r
\r
	gp2x_usbjoy_deinit();\r
\r
	printf("all done");\r
}\r
\r
/* lprintf */\r
void lprintf(const char *fmt, ...)\r
{\r
	va_list vl;\r
\r
	va_start(vl, fmt);\r
	vprintf(fmt, vl);\r
	va_end(vl);\r
}\r
\r
\r
/* fake GP2X */\r
int crashed_940 = 0;\r
\r
int readpng(void *dest, const char *fname, int what) { return -1; }\r
void set_gamma(int g100, int A_SNs_curve) {}\r
void set_FCLK(unsigned MHZ) {}\r
void set_LCD_custom_rate(int rate) {}\r
void unset_LCD_custom_rate(void) {}\r
void Pause940(int yes) {}\r
void Reset940(int yes, int bank) {}\r
\r
Commit	Line	Data
fe017393	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
f7c40368	12	#include <linux/fb.h>\r
fe017393	13	#include <fcntl.h>\r
	14	#include <errno.h>\r
	15	\r
	16	#include "../gp2x/gp2x.h"\r
	17	#include "../gp2x/usbjoy.h"\r
095a240b	18	#include "../common/arm_linux.h"\r
fe017393	19	\r
f7c40368	20	static volatile unsigned int *memregs = MAP_FAILED;\r
fe017393	21	//static\r
fe017393	22	int memdev = 0;\r
f7c40368	23	static int fbdev = -1, sounddev = -1, mixerdev = -1, touchdev = -1;\r
fe017393	24	static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\r
fe017393	25	\r
de9b1274	26	//#define SCREEN_MAP_SIZE (((800(480+11)2)+0xfff)&~0xfff)\r
de9b1274	27	#define SCREEN_MAP_SIZE (8004802)\r
f7c40368	28	static void *screen = MAP_FAILED;\r
fe017393	29	void *gp2x_screen;\r
fe017393	30	\r
fe017393	31	\r
	32	/* video stuff */\r
	33	void gp2x_video_flip(void)\r
	34	{\r
fe017393	35	}\r
	36	\r
	37	/* doulblebuffered flip */\r
	38	void gp2x_video_flip2(void)\r
	39	{\r
fe017393	40	}\r
	41	\r
	42	\r
	43	void gp2x_video_changemode2(int bpp)\r
	44	{\r
fe017393	45	}\r
	46	\r
	47	\r
	48	void gp2x_video_changemode(int bpp)\r
	49	{\r
fe017393	50	}\r
	51	\r
	52	\r
	53	void gp2x_video_setpalette(int *pal, int len)\r
	54	{\r
fe017393	55	}\r
	56	\r
	57	\r
fe017393	58	void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)\r
fe017393	59	{\r
fe017393	60	}\r
	61	\r
	62	\r
	63	void gp2x_video_wait_vsync(void)\r
	64	{\r
fe017393	65	}\r
fe017393	66	\r
fe017393	67	void gp2x_video_flush_cache(void)\r
fe017393	68	{\r
095a240b	69	// cache_flush_d_inval_i(gp2x_screen, (char )gp2x_screen + 320240*2, 0);\r
fe017393	70	}\r
fe017393	71	\r
fe017393	72	void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)\r
fe017393	73	{\r
fe017393	74	}\r
	75	\r
	76	\r
	77	void gp2x_memcpy_all_buffers(void *data, int offset, int len)\r
	78	{\r
fe017393	79	}\r
	80	\r
	81	\r
	82	void gp2x_memset_all_buffers(int offset, int byte, int len)\r
	83	{\r
492d353a	84	memset((char *)gp2x_screen + offset, byte, len);\r
fe017393	85	}\r
	86	\r
	87	\r
	88	void gp2x_pd_clone_buffer2(void)\r
	89	{\r
095a240b	90	memset(gp2x_screen, 0, 8004802);\r
fe017393	91	}\r
	92	\r
	93	\r
	94	unsigned long gp2x_joystick_read(int allow_usb_joy)\r
	95	{\r
492d353a	96	unsigned long value = 0;\r
fe017393	97	int i;\r
fe017393	98	\r
	99	if (allow_usb_joy && num_of_joys > 0) {\r
	100	// check the usb joy as well..\r
	101	gp2x_usbjoy_update();\r
	102	for (i = 0; i < num_of_joys; i++)\r
	103	value \|= gp2x_usbjoy_check(i);\r
	104	}\r
	105	\r
	106	return value;\r
	107	}\r
	108	\r
	109	typedef struct ucb1x00_ts_event\r
	110	{\r
	111	unsigned short pressure;\r
	112	unsigned short x;\r
	113	unsigned short y;\r
	114	unsigned short pad;\r
	115	struct timeval stamp;\r
	116	} UCB1X00_TS_EVENT;\r
	117	\r
	118	int gp2x_touchpad_read(int x, int y)\r
	119	{\r
	120	UCB1X00_TS_EVENT event;\r
	121	static int zero_seen = 0;\r
	122	int retval;\r
	123	\r
	124	if (touchdev < 0) return -1;\r
	125	\r
	126	retval = read(touchdev, &event, sizeof(event));\r
	127	if (retval <= 0) {\r
	128	printf("touch read failed %i %i\n", retval, errno);\r
	129	return -1;\r
	130	}\r
	131	// this is to ignore the messed-up 4.1.x driver\r
	132	if (event.pressure == 0) zero_seen = 1;\r
	133	\r
	134	if (x) x = (event.x touchcal[0] + touchcal[2]) >> 16;\r
	135	if (y) y = (event.y touchcal[4] + touchcal[5]) >> 16;\r
	136	// printf("read %i %i %i\n", event.pressure, x, y);\r
	137	\r
	138	return zero_seen ? event.pressure : 0;\r
	139	}\r
	140	\r
	141	\r
095a240b	142	static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;\r
fe017393	143	\r
	144	void gp2x_start_sound(int rate, int bits, int stereo)\r
	145	{\r
	146	int frag = 0, bsize, buffers;\r
	147	\r
	148	// if no settings change, we don't need to do anything\r
	149	if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;\r
	150	\r
	151	if (sounddev > 0) close(sounddev);\r
	152	sounddev = open("/dev/dsp", O_WRONLY\|O_ASYNC);\r
	153	if (sounddev == -1)\r
	154	printf("open(\"/dev/dsp\") failed with %i\n", errno);\r
	155	\r
	156	ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);\r
	157	ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);\r
	158	ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);\r
	159	// calculate buffer size\r
	160	buffers = 16;\r
	161	bsize = rate / 32;\r
	162	if (rate > 22050) { bsize=4; buffers=2; } // 44k mode seems to be very demanding\r
	163	while ((bsize>>=1)) frag++;\r
	164	frag \|= buffers<<16; // 16 buffers\r
	165	ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);\r
	166	usleep(192*1024);\r
	167	\r
	168	printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",\r
	169	rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));\r
	170	\r
	171	s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;\r
	172	}\r
	173	\r
	174	\r
	175	void gp2x_sound_write(void *buff, int len)\r
	176	{\r
095a240b	177	write(sounddev, buff, len);\r
fe017393	178	}\r
	179	\r
	180	void gp2x_sound_sync(void)\r
	181	{\r
492d353a	182	// ioctl(sounddev, SOUND_PCM_SYNC, 0);\r
fe017393	183	}\r
	184	\r
	185	void gp2x_sound_volume(int l, int r)\r
	186	{\r
492d353a	187	#if 0\r
fe017393	188	l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;\r
	189	l<<=8; l\|=r;\r
	190	ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /SOUND_MIXER_WRITE_VOLUME/\r
492d353a	191	#endif\r
fe017393	192	}\r
	193	\r
	194	\r
	195	/* common */\r
	196	void gp2x_init(void)\r
	197	{\r
f7c40368	198	struct fb_fix_screeninfo fbfix;\r
f7c40368	199	int ret;\r
492d353a	200	\r
fe017393	201	printf("entering init()\n"); fflush(stdout);\r
	202	\r
	203	memdev = open("/dev/mem", O_RDWR);\r
	204	if (memdev == -1)\r
	205	{\r
	206	printf("open(\"/dev/mem\") failed with %i\n", errno);\r
	207	exit(1);\r
	208	}\r
f7c40368	209	/*\r
492d353a	210	memregs = mmap(0, 0x01000000, PROT_READ\|PROT_WRITE, MAP_SHARED, memdev, 0x48000000);\r
492d353a	211	if (memregs == MAP_FAILED)\r
fe017393	212	{\r
	213	printf("mmap(memregs) failed with %i\n", errno);\r
	214	exit(1);\r
	215	}\r
f7c40368	216	*/\r
8add01a3	217	fbdev = open("/dev/fb0", O_RDWR);\r
	218	if (fbdev == -1)\r
	219	{\r
	220	printf("open(\"/dev/fb0\") failed with %i\n", errno);\r
	221	exit(1);\r
	222	}\r
	223	\r
f7c40368	224	ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);\r
	225	if (ret == -1)\r
	226	{\r
	227	printf("ioctl(fbdev) failed with %i\n", errno);\r
	228	exit(1);\r
	229	}\r
	230	\r
	231	// squidge hack\r
	232	if (fbfix.line_length != 800*2)\r
	233	{\r
	234	gp2x_screen = malloc(8006402);\r
	235	return;\r
	236	}\r
fe017393	237	\r
492d353a	238	screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE\|PROT_READ, MAP_SHARED, fbdev, 0);\r
	239	if (screen == MAP_FAILED)\r
	240	{\r
	241	printf("mmap(fbptr) failed with %i\n", errno);\r
	242	exit(1);\r
	243	}\r
	244	printf("fbptr %p\n", screen);\r
de9b1274	245	// gp2x_screen = (char )screen + 80010*2-64;\r
de9b1274	246	gp2x_screen = screen;\r
fe017393	247	\r
fe017393	248	\r
	249	// snd\r
	250	mixerdev = open("/dev/mixer", O_RDWR);\r
	251	if (mixerdev == -1)\r
	252	printf("open(\"/dev/mixer\") failed with %i\n", errno);\r
	253	\r
	254	/* init usb joys -GnoStiC */\r
	255	gp2x_usbjoy_init();\r
	256	\r
	257	// touchscreen\r
	258	touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);\r
	259	if (touchdev >= 0) {\r
	260	FILE *pcf = fopen("/etc/pointercal", "r");\r
	261	if (pcf) {\r
	262	fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1],\r
	263	&touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]);\r
	264	fclose(pcf);\r
	265	}\r
	266	printf("found touchscreen/wm97xx\n");\r
	267	}\r
	268	\r
fe017393	269	printf("exitting init()\n"); fflush(stdout);\r
	270	}\r
	271	\r
fe017393	272	void gp2x_deinit(void)\r
fe017393	273	{\r
492d353a	274	//gp2x_video_changemode(15);\r
fe017393	275	\r
f7c40368	276	if (screen != MAP_FAILED)\r
	277	munmap(screen, SCREEN_MAP_SIZE);\r
	278	if (memregs != MAP_FAILED)\r
	279	munmap((void *)memregs, 0x10000);\r
fe017393	280	close(memdev);\r
f7c40368	281	if (fbdev >= 0) close(fbdev);\r
492d353a	282	if (mixerdev >= 0) close(mixerdev);\r
fe017393	283	if (sounddev >= 0) close(sounddev);\r
	284	if (touchdev >= 0) close(touchdev);\r
	285	\r
	286	gp2x_usbjoy_deinit();\r
	287	\r
492d353a	288	printf("all done");\r
fe017393	289	}\r
	290	\r
	291	/* lprintf */\r
	292	void lprintf(const char *fmt, ...)\r
	293	{\r
	294	va_list vl;\r
	295	\r
	296	va_start(vl, fmt);\r
	297	vprintf(fmt, vl);\r
	298	va_end(vl);\r
	299	}\r
	300	\r
	301	\r
	302	/* fake GP2X */\r
	303	int crashed_940 = 0;\r
	304	\r
	305	int readpng(void dest, const char fname, int what) { return -1; }\r
	306	void set_gamma(int g100, int A_SNs_curve) {}\r
	307	void set_FCLK(unsigned MHZ) {}\r
	308	void set_LCD_custom_rate(int rate) {}\r
	309	void unset_LCD_custom_rate(void) {}\r
492d353a	310	void Pause940(int yes) {}\r
492d353a	311	void Reset940(int yes, int bank) {}\r
fe017393	312	\r