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gp2x: various fixes, prepare for release

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This commit is contained in:
notaz 2013-10-04 03:18:59 +03:00
parent fcdf2aff9b
commit 31f944ea8c
10 changed files with 61 additions and 98 deletions
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76
platform/gp2x/vid_pollux.c
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@ -34,31 +34,21 @@
#include "../common/arm_utils.h"
#include "plat.h"
#define fb_buf_count 4
static unsigned int fb_paddr[fb_buf_count];
#define FB_BUF_COUNT 4
#define FB_MEM_SIZE (320*240*2 * FB_BUF_COUNT)
static unsigned int fb_paddr[FB_BUF_COUNT];
static int fb_work_buf;
static int fbdev = -1;
static unsigned short memtimex_old[2];
static int last_pal_setting = 0;
/* misc */
static void pollux_set_fromenv(const char *env_var)
{
const char *set_string;
set_string = getenv(env_var);
if (set_string)
pollux_set(memregs, set_string);
else
printf("env var %s not defined.\n", env_var);
}
/* video stuff */
static void pollux_video_flip(int buf_count)
{
memregl[0x406C>>2] = fb_paddr[fb_work_buf];
memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddr[fb_work_buf];
memregl[0x4058>>2] |= 0x10;
memregl[0x4458>>2] |= 0x10;
fb_work_buf++;
if (fb_work_buf >= buf_count)
fb_work_buf = 0;
@ -67,7 +57,7 @@ static void pollux_video_flip(int buf_count)
static void gp2x_video_flip_(void)
{
pollux_video_flip(fb_buf_count);
pollux_video_flip(FB_BUF_COUNT);
}
/* doulblebuffered flip */
@ -76,7 +66,7 @@ static void gp2x_video_flip2_(void)
pollux_video_flip(2);
}
static void gp2x_video_changemode_ll_(int bpp)
static void gp2x_video_changemode_ll_(int bpp, int is_pal)
{
static int prev_bpp = 0;
int code = 0, bytes = 2;
@ -100,8 +90,9 @@ static void gp2x_video_changemode_ll_(int bpp)
memregl[0x4000>>2] |= 1 << 3;
/* the above ioctl resets LCD timings, so set them here */
snprintf(buff, sizeof(buff), "POLLUX_LCD_TIMINGS_%s", last_pal_setting ? "PAL" : "NTSC");
pollux_set_fromenv(buff);
snprintf(buff, sizeof(buff), "POLLUX_LCD_TIMINGS_%s",
is_pal ? "PAL" : "NTSC");
pollux_set_fromenv(memregs, buff);
switch (abs(bpp))
{
@ -121,12 +112,18 @@ static void gp2x_video_changemode_ll_(int bpp)
return;
}
memregl[0x405c>>2] = bytes;
memregl[0x4060>>2] = bytes * (bpp < 0 ? 240 : 320);
// program both MLCs so that TV-out works
memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
memregl[0x4060>>2] = memregl[0x4460>>2] =
bytes * (bpp < 0 ? 240 : 320);
r = memregl[0x4058>>2];
r = (r & 0xffff) | (code << 16) | 0x10;
memregl[0x4058>>2] = r;
r = memregl[0x4458>>2];
r = (r & 0xffff) | (code << 16) | 0x10;
memregl[0x4458>>2] = r;
}
static void gp2x_video_setpalette_(int *pal, int len)
@ -153,26 +150,6 @@ static void gp2x_video_wait_vsync_(void)
memregl[0x308c>>2] |= 1 << 10;
}
/* RAM timings */
static void set_ram_timings_(void)
{
pollux_set_fromenv("POLLUX_RAM_TIMINGS");
}
static void unset_ram_timings_(void)
{
int i;
memregs[0x14802>>1] = memtimex_old[0];
memregs[0x14804>>1] = memtimex_old[1] | 0x8000;
for (i = 0; i < 0x100000; i++)
if (!(memregs[0x14804>>1] & 0x8000))
break;
printf("RAM timings reset to startup values.\n");
}
void vid_pollux_init(void)
{
struct fb_fix_screeninfo fbfix;
@ -193,17 +170,17 @@ void vid_pollux_init(void)
printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
fb_paddr[0] = fbfix.smem_start;
gp2x_screens[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE,
gp2x_screens[0] = mmap(0, FB_MEM_SIZE, PROT_READ|PROT_WRITE,
MAP_SHARED, memdev, fb_paddr[0]);
if (gp2x_screens[0] == MAP_FAILED)
{
perror("mmap(gp2x_screens) failed");
exit(1);
}
memset(gp2x_screens[0], 0, 320*240*2*fb_buf_count);
memset(gp2x_screens[0], 0, FB_MEM_SIZE);
printf(" %p -> %08x\n", gp2x_screens[0], fb_paddr[0]);
for (i = 1; i < fb_buf_count; i++)
for (i = 1; i < FB_BUF_COUNT; i++)
{
fb_paddr[i] = fb_paddr[i-1] + 320*240*2;
gp2x_screens[i] = (char *)gp2x_screens[i-1] + 320*240*2;
@ -212,8 +189,6 @@ void vid_pollux_init(void)
fb_work_buf = 0;
g_screen_ptr = gp2x_screens[0];
set_ram_timings_();
gp2x_video_flip = gp2x_video_flip_;
gp2x_video_flip2 = gp2x_video_flip2_;
gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
@ -224,9 +199,8 @@ void vid_pollux_init(void)
void vid_pollux_finish(void)
{
munmap(gp2x_screens[0], 320*240*2 * fb_buf_count);
memset(gp2x_screens[0], 0, FB_MEM_SIZE);
munmap(gp2x_screens[0], FB_MEM_SIZE);
close(fbdev);
fbdev = -1;
unset_ram_timings_();
}