\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
\r
#include "gp2x.h"\r
#include "usbjoy.h"\r
+#include "../common/arm_utils.h"\r
\r
volatile unsigned short *gp2x_memregs;\r
//static\r
static int screensel = 0;\r
//static\r
int memdev = 0;\r
-static int sounddev = 0, mixerdev = 0;\r
+static int sounddev = -1, mixerdev = -1, touchdev = -1;\r
+static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\r
\r
void *gp2x_screen;\r
\r
}\r
\r
\r
-/* LCD updates @ 80Hz? */\r
void gp2x_video_wait_vsync(void)\r
{\r
- gp2x_memregs[0x2846>>1] = 0x20|2; //(gp2x_memregs[0x2846>>1] | 0x20) & ~2;\r
- while(!(gp2x_memregs[0x2846>>1] & 2));// usleep(1);\r
+ unsigned short v = gp2x_memregs[0x1182>>1];\r
+ while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024);\r
+}\r
+\r
+\r
+void gp2x_video_flush_cache(void)\r
+{\r
+ // since we are using the mmu hack, we must flush the cache first\r
+ // (the params are most likely wrong, but they seem to work somehow)\r
+ //flushcache(addr, addr + 320*240*2, 0);\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
- if (buffers & (1<<0)) memcpy((char *)gp2x_screens[0] + offset, data, len);\r
- if (buffers & (1<<1)) memcpy((char *)gp2x_screens[1] + offset, data, len);\r
- if (buffers & (1<<2)) memcpy((char *)gp2x_screens[2] + offset, data, len);\r
- if (buffers & (1<<3)) memcpy((char *)gp2x_screens[3] + offset, data, len);\r
+ char *dst;\r
+ if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }\r
+ if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }\r
+ if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }\r
+ if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }\r
}\r
\r
\r
\r
void gp2x_pd_clone_buffer2(void)\r
{\r
- memcpy(gp2x_screen, gp2x_screens[2], 320*240);\r
- memset(gp2x_screen, 0xe0, 320*8);\r
- memset(gp2x_screen + 320*232, 0xe0, 320*8);\r
+ memcpy(gp2x_screen, gp2x_screens[2], 320*240*2);\r
}\r
\r
\r
unsigned long gp2x_joystick_read(int allow_usb_joy)\r
{\r
int i;\r
- unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF);\r
+ unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF); // GPIO M\r
if(value==0xFD) value=0xFA;\r
if(value==0xF7) value=0xEB;\r
if(value==0xDF) value=0xAF;\r
if(value==0x7F) value=0xBE;\r
- value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16));\r
+ value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); // C D\r
\r
if (allow_usb_joy && num_of_joys > 0) {\r
// check the usb joy as well..\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 (retval == 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
if (sounddev == -1)\r
printf("open(\"/dev/dsp\") failed with %i\n", errno);\r
\r
- ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);\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
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
- usleep(100000);\r
}\r
\r
\r
gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);\r
}\r
\r
+static void proc_set(const char *path, const char *val)\r
+{\r
+ FILE *f;\r
+ char tmp[16];\r
+\r
+ f = fopen(path, "w");\r
+ if (f == NULL) {\r
+ printf("failed to open: %s\n", path);\r
+ return;\r
+ }\r
+\r
+ fprintf(f, "0\n");\r
+ fclose(f);\r
+\r
+ printf("\"%s\" is set to: ", path);\r
+ f = fopen(path, "r");\r
+ if (f == NULL) {\r
+ printf("(open failed)\n");\r
+ return;\r
+ }\r
+\r
+ fgets(tmp, sizeof(tmp), f);\r
+ printf("%s", tmp);\r
+ fclose(f);\r
+}\r
\r
\r
/* common */\r
}\r
gp2x_memregl = (unsigned long *) gp2x_memregs;\r
\r
+ gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers\r
+\r
gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0);\r
if(gp2x_screens[0] == MAP_FAILED)\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
+ /* disable Linux read-ahead */\r
+ proc_set("/proc/sys/vm/max-readahead", "0\n");\r
+ proc_set("/proc/sys/vm/min-readahead", "0\n");\r
+\r
printf("exitting init()\n"); fflush(stdout);\r
}\r
\r
munmap((void *)gp2x_memregs, 0x10000);\r
close(memdev);\r
close(mixerdev);\r
- if (sounddev > 0) close(sounddev);\r
+ if (sounddev >= 0) close(sounddev);\r
+ if (touchdev >= 0) close(touchdev);\r
\r
gp2x_usbjoy_deinit();\r
\r
}\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
notaz.gp2x.de / libpicofe.git / blobdiff