mirror of https://github.com/mpv-player/mpv
366 lines
8.8 KiB
C
366 lines
8.8 KiB
C
/**
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Driver for 3DLabs Permedia 2.
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Copyright (C) 2002 Måns Rullgård
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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**/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "vidix.h"
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#include "vidixlib.h"
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#include "fourcc.h"
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#include "dha.h"
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#include "pci_ids.h"
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#include "pci_names.h"
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#include "config.h"
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#include "glint_regs.h"
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/* MBytes of video memory to use */
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#define PM2_VIDMEM 6
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#if 0
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#define TRACE_ENTER() fprintf(stderr, "%s: enter\n", __FUNCTION__)
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#define TRACE_EXIT() fprintf(stderr, "%s: exit\n", __FUNCTION__)
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#else
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#define TRACE_ENTER()
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#define TRACE_EXIT()
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#endif
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#define WRITE_REG(offset,val) \
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*(volatile unsigned long *)(((unsigned char *)(pm2_reg_base)) + offset) = (val)
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#define READ_REG(offset) \
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*(volatile unsigned long *)(((unsigned char *)(pm2_reg_base)) + offset)
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static pciinfo_t pci_info;
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static void *pm2_reg_base;
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static void *pm2_mem;
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static int pm2_vidmem = PM2_VIDMEM;
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static vidix_capability_t pm2_cap =
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{
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"3DLabs Permedia2 driver",
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"Måns Rullgård <mru@users.sf.net>",
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TYPE_OUTPUT,
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{ 0, 0, 0, 0 },
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2048,
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2048,
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4,
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4,
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-1,
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FLAG_UPSCALER|FLAG_DOWNSCALER,
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VENDOR_3DLABS,
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-1,
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{ 0, 0, 0, 0 }
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};
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static unsigned int pm2_card_ids[] =
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{
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(VENDOR_3DLABS << 16) | DEVICE_3DLABS_PERMEDIA2,
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(VENDOR_TEXAS << 16) | DEVICE_TEXAS_TVP4020_PERMEDIA_2
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};
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static int find_chip(unsigned int vendor, uint32_t chip_id)
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{
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unsigned int vci = (vendor << 16) | chip_id;
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unsigned i;
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for(i = 0; i < sizeof(pm2_card_ids)/sizeof(unsigned int); i++){
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if(vci == pm2_card_ids[i]) return i;
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}
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return -1;
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}
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static int pm2_probe(int verbose, int force __attribute__ ((unused)))
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{
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pciinfo_t lst[MAX_PCI_DEVICES];
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unsigned i,num_pci;
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int err;
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err = pci_scan(lst,&num_pci);
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if(err)
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{
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printf("[pm2] Error occurred during pci scan: %s\n",strerror(err));
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return err;
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}
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else
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{
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err = ENXIO;
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for(i=0; i < num_pci; i++)
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{
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int idx;
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const char *dname;
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idx = find_chip(lst[i].vendor, lst[i].device);
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if(idx == -1)
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continue;
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dname = pci_device_name(lst[i].vendor, lst[i].device);
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dname = dname ? dname : "Unknown chip";
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printf("[pm2] Found chip: %s\n", dname);
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pm2_cap.device_id = lst[i].device;
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err = 0;
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memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
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break;
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}
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}
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if(err && verbose) printf("[pm2] Can't find chip.\n");
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return err;
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}
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#define PRINT_REG(reg) \
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{ \
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long _foo = READ_REG(reg); \
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printf("[pm2] " #reg " (%x) = %#lx (%li)\n", reg, _foo, _foo); \
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}
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static int pm2_init(void)
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{
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char *vm;
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pm2_reg_base = map_phys_mem(pci_info.base0, 0x10000);
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pm2_mem = map_phys_mem(pci_info.base1, 1 << 23);
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if((vm = getenv("PM2_VIDMEM"))){
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pm2_vidmem = strtol(vm, NULL, 0);
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}
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return 0;
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}
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static void pm2_destroy(void)
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{
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unmap_phys_mem(pm2_reg_base, 0x10000);
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unmap_phys_mem(pm2_mem, 1 << 23);
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}
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static int pm2_get_caps(vidix_capability_t *to)
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{
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memcpy(to, &pm2_cap, sizeof(vidix_capability_t));
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return 0;
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}
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static int is_supported_fourcc(uint32_t fourcc)
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{
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switch(fourcc){
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case IMGFMT_YUY2:
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return 1;
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default:
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return 0;
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}
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}
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static int pm2_query_fourcc(vidix_fourcc_t *to)
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{
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if(is_supported_fourcc(to->fourcc))
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{
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to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP |
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VID_DEPTH_4BPP | VID_DEPTH_8BPP |
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VID_DEPTH_12BPP| VID_DEPTH_15BPP|
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VID_DEPTH_16BPP| VID_DEPTH_24BPP|
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VID_DEPTH_32BPP;
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to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
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return 0;
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}
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else to->depth = to->flags = 0;
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return ENOSYS;
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}
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#define FORMAT_YUV422 ((1 << 6) | 3 | (1 << 4))
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#define PPROD(a,b,c) (a | (b << 3) | (c << 6))
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static unsigned int ppcodes[][2] = {
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{0, 0},
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{32, PPROD(1, 0, 0)},
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{64, PPROD(1, 1, 0)},
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{96, PPROD(1, 1, 1)},
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{128, PPROD(2, 1, 1)},
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{160, PPROD(2, 2, 1)},
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{192, PPROD(2, 2, 2)},
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{224, PPROD(3, 2, 1)},
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{256, PPROD(3, 2, 2)},
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{288, PPROD(3, 3, 1)},
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{320, PPROD(3, 3, 2)},
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{384, PPROD(3, 3, 3)},
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{416, PPROD(4, 3, 1)},
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{448, PPROD(4, 3, 2)},
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{512, PPROD(4, 3, 3)},
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{544, PPROD(4, 4, 1)},
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{576, PPROD(4, 4, 2)},
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{640, PPROD(4, 4, 3)},
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{768, PPROD(4, 4, 4)},
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{800, PPROD(5, 4, 1)},
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{832, PPROD(5, 4, 2)},
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{896, PPROD(5, 4, 3)},
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{1024, PPROD(5, 4, 4)},
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{1056, PPROD(5, 5, 1)},
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{1088, PPROD(5, 5, 2)},
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{1152, PPROD(5, 5, 3)},
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{1280, PPROD(5, 5, 4)},
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{1536, PPROD(5, 5, 5)},
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{1568, PPROD(6, 5, 1)},
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{1600, PPROD(6, 5, 2)},
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{1664, PPROD(6, 5, 3)},
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{1792, PPROD(6, 5, 4)},
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{2048, PPROD(6, 5, 5)}
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};
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static int frames[VID_PLAY_MAXFRAMES];
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static int pm2_config_playback(vidix_playback_t *info)
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{
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unsigned int src_w, drw_w;
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unsigned int src_h, drw_h;
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long base0;
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unsigned int stride, sstr;
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unsigned int format;
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unsigned int i;
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unsigned int ppcode = 0, sppc = 0;
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unsigned int pitch = 0;
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TRACE_ENTER();
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switch(info->fourcc){
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case IMGFMT_YUY2:
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format = FORMAT_YUV422;
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break;
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default:
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return -1;
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}
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src_w = info->src.w;
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src_h = info->src.h;
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drw_w = info->dest.w;
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drw_h = info->dest.h;
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sstr = READ_REG(PMScreenStride) * 2;
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stride = 0;
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for(i = 1; i < sizeof(ppcodes) / sizeof(ppcodes[0]); i++){
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if((!stride) && (ppcodes[i][0] >= src_w)){
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stride = ppcodes[i][0];
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ppcode = ppcodes[i][1];
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pitch = ppcodes[i][0] - ppcodes[i-1][0];
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}
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if(ppcodes[i][0] == sstr)
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sppc = ppcodes[i][1];
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}
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if(!stride)
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return -1;
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info->num_frames = pm2_vidmem*1024*1024 / (stride * src_h * 2);
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if(info->num_frames > VID_PLAY_MAXFRAMES)
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info->num_frames = VID_PLAY_MAXFRAMES;
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/* Use end of video memory. Assume the card has 8 MB */
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base0 = (8 - pm2_vidmem)*1024*1024;
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info->dga_addr = pm2_mem + base0;
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info->dest.pitch.y = pitch*2;
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info->dest.pitch.u = 0;
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info->dest.pitch.v = 0;
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info->offset.y = 0;
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info->offset.v = 0;
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info->offset.u = 0;
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info->frame_size = stride * src_h * 2;
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for(i = 0; i < info->num_frames; i++){
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info->offsets[i] = info->frame_size * i;
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frames[i] = (base0 + info->offsets[i]) >> 1;
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}
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WRITE_REG(WindowOrigin, 0);
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WRITE_REG(dY, 1 << 16);
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WRITE_REG(RasterizerMode, 0);
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WRITE_REG(ScissorMode, 0);
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WRITE_REG(AreaStippleMode, 0);
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WRITE_REG(StencilMode, 0);
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WRITE_REG(TextureAddressMode, 1);
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WRITE_REG(dSdyDom, 0);
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WRITE_REG(dTdx, 0);
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WRITE_REG(PMTextureMapFormat, (1 << 19) | ppcode);
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WRITE_REG(PMTextureDataFormat, format);
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WRITE_REG(PMTextureReadMode, (1 << 17) | /* FilterMode */
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(11 << 13) | (11 << 9) /* TextureSize log2 */ | 1);
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WRITE_REG(ColorDDAMode, 0);
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WRITE_REG(TextureColorMode, (0 << 4) /* RGB */ | (3 << 1) /* Copy */ | 1);
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WRITE_REG(AlphaBlendMode, 0);
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WRITE_REG(DitherMode, (1 << 10) | 1);
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WRITE_REG(LogicalOpMode, 0);
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WRITE_REG(FBReadMode, sppc);
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WRITE_REG(FBHardwareWriteMask, 0xFFFFFFFF);
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WRITE_REG(FBWriteMode, 1);
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WRITE_REG(YUVMode, 1);
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WRITE_REG(SStart, 0);
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WRITE_REG(TStart, 0);
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WRITE_REG(dSdx, (src_w << 20) / drw_w);
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WRITE_REG(dTdyDom, (src_h << 20) / drw_h);
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WRITE_REG(RectangleOrigin, info->dest.x | (info->dest.y << 16));
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WRITE_REG(RectangleSize, (drw_h << 16) | drw_w);
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TRACE_EXIT();
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return 0;
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}
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static int pm2_playback_on(void)
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{
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TRACE_ENTER();
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TRACE_EXIT();
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return 0;
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}
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static int pm2_playback_off(void)
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{
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WRITE_REG(YUVMode, 0);
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WRITE_REG(TextureColorMode, 0);
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WRITE_REG(TextureAddressMode, 0);
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WRITE_REG(TextureReadMode, 0);
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return 0;
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}
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static int pm2_frame_select(unsigned int frame)
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{
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WRITE_REG(PMTextureBaseAddress, frames[frame]);
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WRITE_REG(Render, PrimitiveRectangle | XPositive | YPositive |
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TextureEnable);
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return 0;
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}
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VDXDriver pm2_drv = {
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"pm2",
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NULL,
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.probe = pm2_probe,
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.get_caps = pm2_get_caps,
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.query_fourcc = pm2_query_fourcc,
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.init = pm2_init,
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.destroy = pm2_destroy,
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.config_playback = pm2_config_playback,
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.playback_on = pm2_playback_on,
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.playback_off = pm2_playback_off,
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.frame_sel = pm2_frame_select,
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};
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