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extracted OSS code to sndout_oss_*, BTN->PBTN, refactoring

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@599 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-10-17 15:29:37 +00:00
parent 725d7f6c16
commit b3972d826f
21 changed files with 386 additions and 478 deletions
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124
pandora/pandora.c
View file

@ -7,23 +7,20 @@
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <linux/fb.h>
#include <fcntl.h>
#include <errno.h>
#include "../gp2x/gp2x.h"
#include "../gp2x/usbjoy.h"
#include "../linux/usbjoy.h"
#include "../linux/sndout_oss.h"
#include "../common/arm_linux.h"
static volatile unsigned int *memregs = MAP_FAILED;
//static
int memdev = 0;
static int fbdev = -1, sounddev = -1, mixerdev = -1, touchdev = -1;
static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };
static int fbdev = -1;
//#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff)
#define SCREEN_MAP_SIZE (800*480*2)
static void *screen = MAP_FAILED;
void *gp2x_screen;
@ -98,14 +95,18 @@ unsigned long gp2x_joystick_read(int allow_usb_joy)
if (allow_usb_joy && num_of_joys > 0) {
// check the usb joy as well..
gp2x_usbjoy_update();
usbjoy_update();
for (i = 0; i < num_of_joys; i++)
value |= gp2x_usbjoy_check(i);
value |= usbjoy_check(i);
}
return value;
}
// FIXME
#if 0
static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };
typedef struct ucb1x00_ts_event
{
unsigned short pressure;
@ -137,73 +138,19 @@ int gp2x_touchpad_read(int *x, int *y)
return zero_seen ? event.pressure : 0;
}
static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
void gp2x_start_sound(int rate, int bits, int stereo)
{
int frag = 0, bsize, buffers;
// if no settings change, we don't need to do anything
if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
if (sounddev > 0) close(sounddev);
sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
if (sounddev == -1)
printf("open(\"/dev/dsp\") failed with %i\n", errno);
ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
// calculate buffer size
buffers = 16;
bsize = rate / 32;
if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
while ((bsize>>=1)) frag++;
frag |= buffers<<16; // 16 buffers
ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
usleep(192*1024);
printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
}
void gp2x_sound_write(void *buff, int len)
{
write(sounddev, buff, len);
}
void gp2x_sound_sync(void)
{
// ioctl(sounddev, SOUND_PCM_SYNC, 0);
}
void gp2x_sound_volume(int l, int r)
{
#if 0
l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
l<<=8; l|=r;
ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
#else
int gp2x_touchpad_read(int *x, int *y) { return -1; }
#endif
}
/* common */
void gp2x_init(void)
{
struct fb_fix_screeninfo fbfix;
int ret;
printf("entering init()\n"); fflush(stdout);
memdev = open("/dev/mem", O_RDWR);
if (memdev == -1)
{
printf("open(\"/dev/mem\") failed with %i\n", errno);
perror("open(\"/dev/mem\")");
exit(1);
}
/*
@ -217,73 +164,39 @@ void gp2x_init(void)
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev == -1)
{
printf("open(\"/dev/fb0\") failed with %i\n", errno);
perror("open(\"/dev/fb0\")");
exit(1);
}
ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
if (ret == -1)
{
printf("ioctl(fbdev) failed with %i\n", errno);
exit(1);
}
// squidge hack
if (fbfix.line_length != 800*2)
{
gp2x_screen = malloc(800*640*2);
return;
}
screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);
if (screen == MAP_FAILED)
{
printf("mmap(fbptr) failed with %i\n", errno);
perror("mmap(fbptr)");
exit(1);
}
printf("fbptr %p\n", screen);
// gp2x_screen = (char *)screen + 800*10*2-64;
gp2x_screen = screen;
// snd
mixerdev = open("/dev/mixer", O_RDWR);
if (mixerdev == -1)
printf("open(\"/dev/mixer\") failed with %i\n", errno);
sndout_oss_init();
/* init usb joys -GnoStiC */
gp2x_usbjoy_init();
// touchscreen
touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);
if (touchdev >= 0) {
FILE *pcf = fopen("/etc/pointercal", "r");
if (pcf) {
fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1],
&touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]);
fclose(pcf);
}
printf("found touchscreen/wm97xx\n");
}
usbjoy_init();
printf("exitting init()\n"); fflush(stdout);
}
void gp2x_deinit(void)
{
//gp2x_video_changemode(15);
if (screen != MAP_FAILED)
munmap(screen, SCREEN_MAP_SIZE);
if (memregs != MAP_FAILED)
munmap((void *)memregs, 0x10000);
close(memdev);
if (fbdev >= 0) close(fbdev);
if (mixerdev >= 0) close(mixerdev);
if (sounddev >= 0) close(sounddev);
if (touchdev >= 0) close(touchdev);
gp2x_usbjoy_deinit();
sndout_oss_exit();
usbjoy_deinit();
printf("all done");
}
@ -302,7 +215,6 @@ void lprintf(const char *fmt, ...)
/* fake GP2X */
int crashed_940 = 0;
int readpng(void *dest, const char *fname, int what) { return -1; }
void set_gamma(int g100, int A_SNs_curve) {}
void set_FCLK(unsigned MHZ) {}
void set_LCD_custom_rate(int rate) {}