mirror of
https://github.com/mpv-player/mpv
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6445f83deb
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11679 b3059339-0415-0410-9bf9-f77b7e298cf2
376 lines
9.8 KiB
C
376 lines
9.8 KiB
C
/**
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Driver for 3DLabs GLINT R3 and Permedia3 chips.
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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 <unistd.h>
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#include "../vidix.h"
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#include "../fourcc.h"
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#include "../../libdha/libdha.h"
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#include "../../libdha/pci_ids.h"
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#include "../../libdha/pci_names.h"
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#include "../../config.h"
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#include "pm3_regs.h"
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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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pciinfo_t pci_info;
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void *pm3_reg_base;
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void *pm3_mem;
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static vidix_capability_t pm3_cap =
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{
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"3DLabs GLINT R3/Permedia3 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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unsigned int vixGetVersion(void)
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{
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return(VIDIX_VERSION);
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}
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static unsigned short pm3_card_ids[] =
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{
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DEVICE_3DLABS_GLINT_R3
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};
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static int find_chip(unsigned chip_id)
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{
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unsigned i;
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for(i = 0;i < sizeof(pm3_card_ids)/sizeof(unsigned short);i++)
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{
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if(chip_id == pm3_card_ids[i]) return i;
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}
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return -1;
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}
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int vixProbe(int verbose, int force)
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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("[pm3] 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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if(lst[i].vendor == VENDOR_3DLABS)
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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].device);
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if(idx == -1)
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continue;
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dname = pci_device_name(VENDOR_3DLABS, lst[i].device);
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dname = dname ? dname : "Unknown chip";
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printf("[pm3] Found chip: %s\n", dname);
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if ((lst[i].command & PCI_COMMAND_IO) == 0)
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{
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printf("[pm3] Device is disabled, ignoring\n");
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continue;
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}
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pm3_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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}
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if(err && verbose) printf("[pm3] 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("[pm3] " #reg " (%x) = %#lx (%li)\n", reg, _foo, _foo); \
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}
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int vixInit(void)
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{
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pm3_reg_base = map_phys_mem(pci_info.base0, 0x20000);
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pm3_mem = map_phys_mem(pci_info.base2, 0x2000000);
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return 0;
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}
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void vixDestroy(void)
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{
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unmap_phys_mem(pm3_reg_base, 0x20000);
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unmap_phys_mem(pm3_mem, 0x2000000);
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}
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int vixGetCapability(vidix_capability_t *to)
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{
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memcpy(to, &pm3_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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case IMGFMT_UYVY:
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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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int vixQueryFourcc(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_RGB8888 PM3VideoOverlayMode_COLORFORMAT_RGB8888
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#define FORMAT_RGB4444 PM3VideoOverlayMode_COLORFORMAT_RGB4444
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#define FORMAT_RGB5551 PM3VideoOverlayMode_COLORFORMAT_RGB5551
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#define FORMAT_RGB565 PM3VideoOverlayMode_COLORFORMAT_RGB565
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#define FORMAT_RGB332 PM3VideoOverlayMode_COLORFORMAT_RGB332
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#define FORMAT_BGR8888 PM3VideoOverlayMode_COLORFORMAT_BGR8888
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#define FORMAT_BGR4444 PM3VideoOverlayMode_COLORFORMAT_BGR4444
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#define FORMAT_BGR5551 PM3VideoOverlayMode_COLORFORMAT_BGR5551
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#define FORMAT_BGR565 PM3VideoOverlayMode_COLORFORMAT_BGR565
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#define FORMAT_BGR332 PM3VideoOverlayMode_COLORFORMAT_BGR332
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#define FORMAT_CI8 PM3VideoOverlayMode_COLORFORMAT_CI8
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#define FORMAT_VUY444 PM3VideoOverlayMode_COLORFORMAT_VUY444
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#define FORMAT_YUV444 PM3VideoOverlayMode_COLORFORMAT_YUV444
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#define FORMAT_VUY422 PM3VideoOverlayMode_COLORFORMAT_VUY422
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#define FORMAT_YUV422 PM3VideoOverlayMode_COLORFORMAT_YUV422
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/* Notice, have to check that we don't overflow the deltas here ... */
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static void
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compute_scale_factor(
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short* src_w, short* dst_w,
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unsigned int* shrink_delta, unsigned int* zoom_delta)
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{
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/* NOTE: If we don't return reasonable values here then the video
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* unit can potential shut off and won't display an image until re-enabled.
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* Seems as though the zoom_delta is o.k, and I've not had the problem.
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* The 'shrink_delta' is prone to this the most - FIXME ! */
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if (*src_w >= *dst_w) {
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*src_w &= ~0x3;
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*dst_w &= ~0x3;
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*shrink_delta = (((*src_w << 16) / *dst_w) + 0x0f) & 0x0ffffff0;
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*zoom_delta = 1<<16;
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if ( ((*shrink_delta * *dst_w) >> 16) & 0x03 )
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*shrink_delta += 0x10;
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} else {
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*src_w &= ~0x3;
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*dst_w &= ~0x3;
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*zoom_delta = (((*src_w << 16) / *dst_w) + 0x0f) & 0x0001fff0;
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*shrink_delta = 1<<16;
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if ( ((*zoom_delta * *dst_w) >> 16) & 0x03 )
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*zoom_delta += 0x10;
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}
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}
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static int frames[VID_PLAY_MAXFRAMES];
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static long overlay_mode, overlay_control;
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int vixConfigPlayback(vidix_playback_t *info)
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{
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int shrink, zoom;
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short src_w, drw_w;
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short src_h, drw_h;
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long base0;
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int pitch;
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int format;
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unsigned int i;
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TRACE_ENTER();
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if(!is_supported_fourcc(info->fourcc))
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return -1;
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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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case IMGFMT_UYVY:
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format = FORMAT_VUY422;
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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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pitch = src_w;
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/* Assume we have 16 MB to play with */
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info->num_frames = 0x1000000 / (pitch * 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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/* Start at 16 MB. Let's hope it's not in use. */
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base0 = 0x1000000;
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info->dga_addr = pm3_mem + base0;
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info->dest.pitch.y = 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 = pitch * 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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compute_scale_factor(&src_w, &drw_w, &shrink, &zoom);
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WRITE_REG(PM3VideoOverlayBase0, base0 >> 1);
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WRITE_REG(PM3VideoOverlayStride, PM3VideoOverlayStride_STRIDE(pitch));
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WRITE_REG(PM3VideoOverlayWidth, PM3VideoOverlayWidth_WIDTH(src_w));
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WRITE_REG(PM3VideoOverlayHeight, PM3VideoOverlayHeight_HEIGHT(src_h));
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WRITE_REG(PM3VideoOverlayOrigin, 0);
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/* Scale the source to the destinationsize */
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if (src_h == drw_h) {
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WRITE_REG(PM3VideoOverlayYDelta, PM3VideoOverlayYDelta_NONE);
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} else {
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WRITE_REG(PM3VideoOverlayYDelta,
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PM3VideoOverlayYDelta_DELTA(src_h, drw_h));
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}
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if (src_w == drw_w) {
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WRITE_REG(PM3VideoOverlayShrinkXDelta, 1<<16);
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WRITE_REG(PM3VideoOverlayZoomXDelta, 1<<16);
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} else {
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WRITE_REG(PM3VideoOverlayShrinkXDelta, shrink);
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WRITE_REG(PM3VideoOverlayZoomXDelta, zoom);
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}
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WRITE_REG(PM3VideoOverlayIndex, 0);
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/* Now set the ramdac video overlay region and mode */
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RAMDAC_SET_REG(PM3RD_VideoOverlayXStartLow, (info->dest.x & 0xff));
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RAMDAC_SET_REG(PM3RD_VideoOverlayXStartHigh, (info->dest.x & 0xf00)>>8);
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RAMDAC_SET_REG(PM3RD_VideoOverlayXEndLow, (info->dest.x+drw_w) & 0xff);
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RAMDAC_SET_REG(PM3RD_VideoOverlayXEndHigh,
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((info->dest.x+drw_w) & 0xf00)>>8);
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RAMDAC_SET_REG(PM3RD_VideoOverlayYStartLow, (info->dest.y & 0xff));
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RAMDAC_SET_REG(PM3RD_VideoOverlayYStartHigh, (info->dest.y & 0xf00)>>8);
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RAMDAC_SET_REG(PM3RD_VideoOverlayYEndLow, (info->dest.y+drw_h) & 0xff);
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RAMDAC_SET_REG(PM3RD_VideoOverlayYEndHigh,
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((info->dest.y+drw_h) & 0xf00)>>8);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyR, 0xff);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyG, 0x00);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyB, 0xff);
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overlay_mode =
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1 << 5 |
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format |
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PM3VideoOverlayMode_FILTER_FULL |
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PM3VideoOverlayMode_BUFFERSYNC_MANUAL |
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PM3VideoOverlayMode_FLIP_VIDEO;
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overlay_control =
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PM3RD_VideoOverlayControl_KEY_COLOR |
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PM3RD_VideoOverlayControl_MODE_MAINKEY |
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PM3RD_VideoOverlayControl_DIRECTCOLOR_ENABLED;
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TRACE_EXIT();
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return 0;
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}
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int vixPlaybackOn(void)
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{
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TRACE_ENTER();
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WRITE_REG(PM3VideoOverlayMode,
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overlay_mode | PM3VideoOverlayMode_ENABLE);
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RAMDAC_SET_REG(PM3RD_VideoOverlayControl,
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overlay_control | PM3RD_VideoOverlayControl_ENABLE);
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WRITE_REG(PM3VideoOverlayUpdate,
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PM3VideoOverlayUpdate_ENABLE);
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TRACE_EXIT();
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return 0;
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}
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int vixPlaybackOff(void)
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{
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RAMDAC_SET_REG(PM3RD_VideoOverlayControl,
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PM3RD_VideoOverlayControl_DISABLE);
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WRITE_REG(PM3VideoOverlayMode,
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PM3VideoOverlayMode_DISABLE);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyR, 0x01);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyG, 0x01);
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RAMDAC_SET_REG(PM3RD_VideoOverlayKeyB, 0xfe);
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return 0;
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}
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int vixPlaybackFrameSelect(unsigned int frame)
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{
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WRITE_REG(PM3VideoOverlayBase0, frames[frame]);
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return 0;
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}
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