improve linux makefile

[picodrive.git] / platform / 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 <linux/fb.h>\r
#include <fcntl.h>\r
#include <errno.h>\r
\r
#include "../gp2x/gp2x.h"\r
#include "../linux/sndout_oss.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;\r
\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
// FIXME\r
#if 0\r
static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\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
#else\r
int gp2x_touchpad_read(int *x, int *y) { return -1; }\r
#endif\r
\r
/* common */\r
void gp2x_init(void)\r
{\r
	printf("entering init()\n"); fflush(stdout);\r
\r
  	memdev = open("/dev/mem", O_RDWR);\r
	if (memdev == -1)\r
	{\r
		perror("open(\"/dev/mem\")");\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
		perror("open(\"/dev/fb0\")");\r
		exit(1);\r
	}\r
\r
	screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);\r
	if (screen == MAP_FAILED)\r
	{\r
		perror("mmap(fbptr)");\r
		exit(1);\r
	}\r
	printf("fbptr %p\n", screen);\r
	gp2x_screen = screen;\r
\r
	// snd\r
	sndout_oss_init();\r
\r
	printf("exitting init()\n"); fflush(stdout);\r
}\r
\r
void gp2x_deinit(void)\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
\r
	sndout_oss_exit();\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
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