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mpv/vidix/pm2_vid.c

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/*
* VIDIX driver for 3DLabs Permedia 2 chipsets.
* Copyright (C) 2002 Måns Rullgård
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MPlayer; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <sys/types.h>
#include <unistd.h>
#include "config.h"
#include "vidix.h"
#include "vidixlib.h"
#include "fourcc.h"
#include "dha.h"
#include "pci_ids.h"
#include "pci_names.h"
#include "glint_regs.h"
/* MBytes of video memory to use */
#define PM2_VIDMEM 6
#if 0
#define TRACE_ENTER() fprintf(stderr, "%s: enter\n", __FUNCTION__)
#define TRACE_EXIT() fprintf(stderr, "%s: exit\n", __FUNCTION__)
#else
#define TRACE_ENTER()
#define TRACE_EXIT()
#endif
#define WRITE_REG(offset,val) \
*(volatile unsigned long *)(((unsigned char *)(pm2_reg_base)) + offset) = (val)
#define READ_REG(offset) \
*(volatile unsigned long *)(((unsigned char *)(pm2_reg_base)) + offset)
static pciinfo_t pci_info;
static void *pm2_reg_base;
static void *pm2_mem;
static int pm2_vidmem = PM2_VIDMEM;
static vidix_capability_t pm2_cap =
{
"3DLabs Permedia2 driver",
"Måns Rullgård <mru@users.sf.net>",
TYPE_OUTPUT,
{ 0, 0, 0, 0 },
2048,
2048,
4,
4,
-1,
FLAG_UPSCALER|FLAG_DOWNSCALER,
VENDOR_3DLABS,
-1,
{ 0, 0, 0, 0 }
};
static unsigned int pm2_card_ids[] =
{
(VENDOR_3DLABS << 16) | DEVICE_3DLABS_PERMEDIA2,
(VENDOR_TEXAS << 16) | DEVICE_TEXAS_TVP4020_PERMEDIA_2
};
static int find_chip(unsigned int vendor, uint32_t chip_id)
{
unsigned int vci = (vendor << 16) | chip_id;
unsigned i;
for(i = 0; i < sizeof(pm2_card_ids)/sizeof(unsigned int); i++){
if(vci == pm2_card_ids[i]) return i;
}
return -1;
}
static int pm2_probe(int verbose, int force __attribute__ ((unused)))
{
pciinfo_t lst[MAX_PCI_DEVICES];
unsigned i,num_pci;
int err;
err = pci_scan(lst,&num_pci);
if(err)
{
printf("[pm2] Error occurred during pci scan: %s\n",strerror(err));
return err;
}
else
{
err = ENXIO;
for(i=0; i < num_pci; i++)
{
int idx;
const char *dname;
idx = find_chip(lst[i].vendor, lst[i].device);
if(idx == -1)
continue;
dname = pci_device_name(lst[i].vendor, lst[i].device);
dname = dname ? dname : "Unknown chip";
printf("[pm2] Found chip: %s\n", dname);
pm2_cap.device_id = lst[i].device;
err = 0;
memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
break;
}
}
if(err && verbose) printf("[pm2] Can't find chip.\n");
return err;
}
#define PRINT_REG(reg) \
{ \
long _foo = READ_REG(reg); \
printf("[pm2] " #reg " (%x) = %#lx (%li)\n", reg, _foo, _foo); \
}
static int pm2_init(void)
{
char *vm;
pm2_reg_base = map_phys_mem(pci_info.base0, 0x10000);
pm2_mem = map_phys_mem(pci_info.base1, 1 << 23);
if((vm = getenv("PM2_VIDMEM"))){
pm2_vidmem = strtol(vm, NULL, 0);
}
return 0;
}
static void pm2_destroy(void)
{
unmap_phys_mem(pm2_reg_base, 0x10000);
unmap_phys_mem(pm2_mem, 1 << 23);
}
static int pm2_get_caps(vidix_capability_t *to)
{
memcpy(to, &pm2_cap, sizeof(vidix_capability_t));
return 0;
}
static int is_supported_fourcc(uint32_t fourcc)
{
switch(fourcc){
case IMGFMT_YUY2:
return 1;
default:
return 0;
}
}
static int pm2_query_fourcc(vidix_fourcc_t *to)
{
if(is_supported_fourcc(to->fourcc))
{
to->depth = VID_DEPTH_ALL;
to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
return 0;
}
else to->depth = to->flags = 0;
return ENOSYS;
}
#define FORMAT_YUV422 ((1 << 6) | 3 | (1 << 4))
#define PPROD(a,b,c) (a | (b << 3) | (c << 6))
static unsigned int ppcodes[][2] = {
{0, 0},
{32, PPROD(1, 0, 0)},
{64, PPROD(1, 1, 0)},
{96, PPROD(1, 1, 1)},
{128, PPROD(2, 1, 1)},
{160, PPROD(2, 2, 1)},
{192, PPROD(2, 2, 2)},
{224, PPROD(3, 2, 1)},
{256, PPROD(3, 2, 2)},
{288, PPROD(3, 3, 1)},
{320, PPROD(3, 3, 2)},
{384, PPROD(3, 3, 3)},
{416, PPROD(4, 3, 1)},
{448, PPROD(4, 3, 2)},
{512, PPROD(4, 3, 3)},
{544, PPROD(4, 4, 1)},
{576, PPROD(4, 4, 2)},
{640, PPROD(4, 4, 3)},
{768, PPROD(4, 4, 4)},
{800, PPROD(5, 4, 1)},
{832, PPROD(5, 4, 2)},
{896, PPROD(5, 4, 3)},
{1024, PPROD(5, 4, 4)},
{1056, PPROD(5, 5, 1)},
{1088, PPROD(5, 5, 2)},
{1152, PPROD(5, 5, 3)},
{1280, PPROD(5, 5, 4)},
{1536, PPROD(5, 5, 5)},
{1568, PPROD(6, 5, 1)},
{1600, PPROD(6, 5, 2)},
{1664, PPROD(6, 5, 3)},
{1792, PPROD(6, 5, 4)},
{2048, PPROD(6, 5, 5)}
};
static int frames[VID_PLAY_MAXFRAMES];
static int pm2_config_playback(vidix_playback_t *info)
{
unsigned int src_w, drw_w;
unsigned int src_h, drw_h;
long base0;
unsigned int stride, sstr;
unsigned int format;
unsigned int i;
unsigned int ppcode = 0, sppc = 0;
unsigned int pitch = 0;
TRACE_ENTER();
switch(info->fourcc){
case IMGFMT_YUY2:
format = FORMAT_YUV422;
break;
default:
return -1;
}
src_w = info->src.w;
src_h = info->src.h;
drw_w = info->dest.w;
drw_h = info->dest.h;
sstr = READ_REG(PMScreenStride) * 2;
stride = 0;
for(i = 1; i < sizeof(ppcodes) / sizeof(ppcodes[0]); i++){
if((!stride) && (ppcodes[i][0] >= src_w)){
stride = ppcodes[i][0];
ppcode = ppcodes[i][1];
pitch = ppcodes[i][0] - ppcodes[i-1][0];
}
if(ppcodes[i][0] == sstr)
sppc = ppcodes[i][1];
}
if(!stride)
return -1;
info->num_frames = pm2_vidmem*1024*1024 / (stride * src_h * 2);
if(info->num_frames > VID_PLAY_MAXFRAMES)
info->num_frames = VID_PLAY_MAXFRAMES;
/* Use end of video memory. Assume the card has 8 MB */
base0 = (8 - pm2_vidmem)*1024*1024;
info->dga_addr = pm2_mem + base0;
info->dest.pitch.y = pitch*2;
info->dest.pitch.u = 0;
info->dest.pitch.v = 0;
info->offset.y = 0;
info->offset.v = 0;
info->offset.u = 0;
info->frame_size = stride * src_h * 2;
for(i = 0; i < info->num_frames; i++){
info->offsets[i] = info->frame_size * i;
frames[i] = (base0 + info->offsets[i]) >> 1;
}
WRITE_REG(WindowOrigin, 0);
WRITE_REG(dY, 1 << 16);
WRITE_REG(RasterizerMode, 0);
WRITE_REG(ScissorMode, 0);
WRITE_REG(AreaStippleMode, 0);
WRITE_REG(StencilMode, 0);
WRITE_REG(TextureAddressMode, 1);
WRITE_REG(dSdyDom, 0);
WRITE_REG(dTdx, 0);
WRITE_REG(PMTextureMapFormat, (1 << 19) | ppcode);
WRITE_REG(PMTextureDataFormat, format);
WRITE_REG(PMTextureReadMode, (1 << 17) | /* FilterMode */
(11 << 13) | (11 << 9) /* TextureSize log2 */ | 1);
WRITE_REG(ColorDDAMode, 0);
WRITE_REG(TextureColorMode, (0 << 4) /* RGB */ | (3 << 1) /* Copy */ | 1);
WRITE_REG(AlphaBlendMode, 0);
WRITE_REG(DitherMode, (1 << 10) | 1);
WRITE_REG(LogicalOpMode, 0);
WRITE_REG(FBReadMode, sppc);
WRITE_REG(FBHardwareWriteMask, 0xFFFFFFFF);
WRITE_REG(FBWriteMode, 1);
WRITE_REG(YUVMode, 1);
WRITE_REG(SStart, 0);
WRITE_REG(TStart, 0);
WRITE_REG(dSdx, (src_w << 20) / drw_w);
WRITE_REG(dTdyDom, (src_h << 20) / drw_h);
WRITE_REG(RectangleOrigin, info->dest.x | (info->dest.y << 16));
WRITE_REG(RectangleSize, (drw_h << 16) | drw_w);
TRACE_EXIT();
return 0;
}
static int pm2_playback_on(void)
{
TRACE_ENTER();
TRACE_EXIT();
return 0;
}
static int pm2_playback_off(void)
{
WRITE_REG(YUVMode, 0);
WRITE_REG(TextureColorMode, 0);
WRITE_REG(TextureAddressMode, 0);
WRITE_REG(TextureReadMode, 0);
return 0;
}
static int pm2_frame_select(unsigned int frame)
{
WRITE_REG(PMTextureBaseAddress, frames[frame]);
WRITE_REG(Render, PrimitiveRectangle | XPositive | YPositive |
TextureEnable);
return 0;
}
VDXDriver pm2_drv = {
"pm2",
NULL,
.probe = pm2_probe,
.get_caps = pm2_get_caps,
.query_fourcc = pm2_query_fourcc,
.init = pm2_init,
.destroy = pm2_destroy,
.config_playback = pm2_config_playback,
.playback_on = pm2_playback_on,
.playback_off = pm2_playback_off,
.frame_sel = pm2_frame_select,
};
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