mpv/vidix/drivers/genfb_vid.c

146 lines
2.7 KiB
C

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <inttypes.h>
#include <fcntl.h>
#include "../vidix.h"
#include "../fourcc.h"
#include "../../libdha/libdha.h"
#include "../../libdha/pci_ids.h"
#define DEMO_DRIVER 1
static int fd;
static void *mmio_base = 0;
static void *mem_base = 0;
static int32_t overlay_offset = 0;
static uint32_t ram_size = 0;
static int probed = 0;
/* VIDIX exports */
static vidix_capability_t genfb_cap =
{
"General Framebuffer",
"alex",
TYPE_OUTPUT,
{ 0, 0, 0, 0 },
2048,
2048,
4,
4,
-1,
FLAG_UPSCALER|FLAG_DOWNSCALER,
-1,
-1,
{ 0, 0, 0, 0 }
};
unsigned int vixGetVersion(void)
{
return(VIDIX_VERSION);
}
int vixProbe(int verbose,int force)
{
int err = 0;
#ifdef DEMO_DRIVER
err = ENOSYS;
#endif
printf("[genfb] probe\n");
fd = open("/dev/fb0", O_RDWR);
if (fd < 0)
{
printf("Error occured durint open: %s\n", strerror(errno));
err = errno;
}
probed = 1;
return(err);
}
int vixInit(void)
{
printf("[genfb] init\n");
if (!probed)
{
printf("Driver was not probed but is being initialized\n");
return(EINTR);
}
return(0);
}
void vixDestroy(void)
{
printf("[genfb] destory\n");
return;
}
int vixGetCapability(vidix_capability_t *to)
{
memcpy(to, &genfb_cap, sizeof(vidix_capability_t));
return(0);
}
int vixQueryFourcc(vidix_fourcc_t *to)
{
printf("[genfb] query fourcc (%x)\n", to->fourcc);
to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP |
VID_DEPTH_4BPP | VID_DEPTH_8BPP |
VID_DEPTH_12BPP | VID_DEPTH_15BPP |
VID_DEPTH_16BPP | VID_DEPTH_24BPP |
VID_DEPTH_32BPP;
to->flags = 0;
return(0);
}
int vixConfigPlayback(vidix_playback_t *info)
{
printf("[genfb] config playback\n");
info->num_frames = 2;
info->frame_size = info->src.w*info->src.h+(info->src.w*info->src.h)/2;
info->dest.pitch.y = 32;
info->dest.pitch.u = info->dest.pitch.v = 16;
info->offsets[0] = 0;
info->offsets[1] = info->frame_size;
info->offset.y = 0;
info->offset.v = ((info->src.w+31) & ~31) * info->src.h;
info->offset.u = info->offset.v+((info->src.w+31) & ~31) * info->src.h/4;
info->dga_addr = malloc(info->num_frames*info->frame_size);
printf("[genfb] frame_size: %d, dga_addr: %x\n",
info->frame_size, info->dga_addr);
return(0);
}
int vixPlaybackOn(void)
{
printf("[genfb] playback on\n");
return(0);
}
int vixPlaybackOff(void)
{
printf("[genfb] playback off\n");
return(0);
}
int vixPlaybackFrameSelect(unsigned int frame)
{
printf("[genfb] frameselect: %d\n", frame);
return(0);
}