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anti-tear modes for Wiz

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@717 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-07-27 21:24:25 +00:00
parent d90f5bd748
commit cc41eb4fa3
16 changed files with 473 additions and 183 deletions
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30
platform/gp2x/soc_pollux.c
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@ -30,6 +30,7 @@ static int fbdev = -1;
static char cpuclk_was_changed = 0;
static unsigned short memtimex_old[2];
static unsigned int pllsetreg0;
static int last_pal_setting = 0;
/* video stuff */
@ -56,9 +57,30 @@ static void gp2x_video_flip2_(void)
static void gp2x_video_changemode_ll_(int bpp)
{
static int prev_bpp = 0;
int code = 0, bytes = 2;
int rot_cmd[2] = { 0, 0 };
unsigned int r;
switch (bpp)
int ret;
if (bpp == prev_bpp)
return;
prev_bpp = bpp;
printf("changemode: %dbpp rot=%d\n", abs(bpp), bpp < 0);
/* negative bpp means rotated mode */
rot_cmd[0] = (bpp < 0) ? 6 : 5;
ret = ioctl(fbdev, _IOW('D', 90, int[2]), rot_cmd);
if (ret < 0)
perror("rot ioctl failed");
memregl[0x4004>>2] = (bpp < 0) ? 0x013f00ef : 0x00ef013f;
memregl[0x4000>>2] |= 1 << 3;
/* the above ioctl resets LCD timings, so set them here */
set_lcd_custom_rate(last_pal_setting);
switch (abs(bpp))
{
case 8:
code = 0x443a;
@ -72,12 +94,12 @@ static void gp2x_video_changemode_ll_(int bpp)
break;
default:
printf("unhandled bpp request: %d\n", bpp);
printf("unhandled bpp request: %d\n", abs(bpp));
return;
}
memregl[0x405c>>2] = bytes;
memregl[0x4060>>2] = bytes * 320;
memregl[0x4060>>2] = bytes * (bpp < 0 ? 240 : 320);
r = memregl[0x4058>>2];
r = (r & 0xffff) | (code << 16) | 0x10;
@ -156,6 +178,7 @@ static void set_lcd_custom_rate_(int is_pal)
snprintf(buff, sizeof(buff), "POLLUX_LCD_TIMINGS_%s", is_pal ? "PAL" : "NTSC");
pollux_set_fromenv(buff);
last_pal_setting = is_pal;
}
static void unset_lcd_custom_rate_(void)
@ -245,7 +268,6 @@ void pollux_finish(void)
/* switch to default fb mem, turn portrait off */
memregl[0x406C>>2] = fb_paddr[0];
memregl[0x4058>>2] |= 0x10;
// wiz_lcd_set_portrait(0);
close(fbdev);
gp2x_video_changemode_ll_(16);