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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <inttypes.h>
#include "../vidix.h"
#include "../fourcc.h"
#include "../../libdha/libdha.h"
#include "../../libdha/pci_ids.h"
#include "../../libdha/pci_names.h"
//#include "nvidia.h"
static void *mmio_base = 0;
static void *mem_base = 0;
static int32_t overlay_offset = 0;
static uint32_t ram_size = 0;
#define CARD_FLAGS_NONE 0x00
#define CARD_FLAGS_NOTSUPPORTED 0x01
struct nv_card_id_s
{
const unsigned int id ;
const char name[32];
const int core;
const int flags;
};
static const struct nv_card_id_s nv_card_ids[]=
{
{ DEVICE_NVIDIA_RIVA_TNT2_NV5, "nVidia TNT2 (NV5) ", 5, CARD_FLAGS_NOTSUPPORTED},
{ DEVICE_NVIDIA_VANTA_NV6, "nVidia Vanta (NV6.1)", 6, CARD_FLAGS_NOTSUPPORTED},
{ DEVICE_NVIDIA_VANTA_NV62, "nVidia Vanta (NV6.2)", 6, CARD_FLAGS_NOTSUPPORTED}
};
static int find_chip(unsigned int chip_id)
{
unsigned int i;
for (i = 0; i < sizeof(nv_card_ids)/sizeof(struct nv_card_id_s); i++)
if (chip_id == nv_card_ids[i].id)
return(i);
return(-1);
}
static pciinfo_t pci_info;
static int probed = 0;
/* VIDIX exports */
static vidix_capability_t nvidia_cap =
{
"NVIDIA driver for VIDIX",
TYPE_OUTPUT,
{ 0, 0, 0, 0 },
1024,
768,
4,
4,
-1,
FLAG_NONE,
VENDOR_NVIDIA,
0,
{ 0, 0, 0, 0 }
};
unsigned int vixGetVersion(void)
{
return(VIDIX_VERSION);
}
int vixProbe(int verbose,int force)
{
pciinfo_t lst[MAX_PCI_DEVICES];
unsigned int i, num_pci;
int err;
printf("[nvidia] probe\n");
err = pci_scan(lst, &num_pci);
if (err)
{
printf("Error occured during pci scan: %s\n", strerror(err));
return err;
}
else
{
err = ENXIO;
for (i = 0; i < num_pci; i++)
{
if (lst[i].vendor == VENDOR_NVIDIA)
{
int idx;
idx = find_chip(lst[i].device);
if (idx == -1)
continue;
if (nv_card_ids[idx].flags & CARD_FLAGS_NOTSUPPORTED)
{
printf("Found chip: %s, but not supported!\n",
nv_card_ids[idx].name);
continue;
}
else
printf("Found chip: %s\n", nv_card_ids[idx].name);
nvidia_cap.device_id = nv_card_ids[idx].id;
err = 0;
memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
probed = 1;
printf("bus:card:func = %x:%x:%x\n",
pci_info.bus, pci_info.card, pci_info.func);
printf("vendor:device = %x:%x\n",
pci_info.vendor, pci_info.device);
printf("base0:base1:base2:baserom = %x:%x:%x:%x\n",
pci_info.base0, pci_info.base1, pci_info.base2,
pci_info.baserom);
break;
}
}
}
if (err)
printf("No chip found\n");
return(err);
}
int vixInit(void)
{
printf("[nvidia] init\n");
if (!probed)
{
printf("Driver was not probed but is being initialized\n");
return(EINTR);
}
mmio_base = map_phys_mem(pci_info.base0, 0xFFFF);
if (mmio_base == (void *)-1)
return(ENOMEM);
printf("mmio_base: %p\n", mmio_base);
return ENXIO;
}
void vixDestroy(void)
{
printf("[nvidia] destory\n");
}
int vixGetCapability(vidix_capability_t *to)
{
memcpy(to, &nvidia_cap, sizeof(vidix_capability_t));
return(0);
}
int vixQueryFourcc(vidix_fourcc_t *to)
{
printf("[nvidia] query fourcc (%x)\n", to->fourcc);
return 0;
}
int vixConfigPlayback(vidix_playback_t *info)
{
printf("[nvidia] config playback\n");
info->num_frames = 2;
info->frame_size = info->src.w*info->src.h+(info->src.w*info->src.h)/2;
info->dga_addr = malloc(info->num_frames*info->frame_size);
return 0;
}
int vixPlaybackOn(void)
{
printf("[nvidia] playback on\n");
return 0;
}
int vixPlaybackOff(void)
{
printf("[nvidia] playback off\n");
return 0;
}
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