mirror of
https://github.com/mpv-player/mpv
synced 2024-12-10 17:07:19 +00:00
fadce2d781
Based on Bernard Leak's mail <bernard 4t brenda-arkle.demon.co.uk> git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11001 b3059339-0415-0410-9bf9-f77b7e298cf2
1784 lines
54 KiB
C
1784 lines
54 KiB
C
//#define CRTC2
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// YUY2 support (see config.format) added by A'rpi/ESP-team
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// double buffering added by A'rpi/ESP-team
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// brightness/contrast introduced by eyck
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// multiple card support by Attila Kinali <attila@kinali.ch>
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// Set this value, if autodetection fails! (video ram size in megabytes)
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// #define MGA_MEMORY_SIZE 16
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//#define MGA_ALLOW_IRQ
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#define MGA_VSYNC_POS 2
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/*
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*
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* mga_vid.c
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*
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* Copyright (C) 1999 Aaron Holtzman
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*
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* Module skeleton based on gutted agpgart module by Jeff Hartmann
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* <slicer@ionet.net>
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*
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* Matrox MGA G200/G400 YUV Video Interface module Version 0.1.0
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*
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* BES == Back End Scaler
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*
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* This software has been released under the terms of the GNU Public
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* license. See http://www.gnu.org/copyleft/gpl.html for details.
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*/
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//It's entirely possible this major conflicts with something else
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//use the 'major' parameter to override the default major number (178)
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/* mknod /dev/mga_vid c 178 0 */
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#include <linux/config.h>
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10)
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#include <linux/malloc.h>
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#else
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#include <linux/slab.h>
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#endif
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#include <linux/pci.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include "mga_vid.h"
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#ifdef CONFIG_MTRR
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#include <asm/mtrr.h>
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#endif
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#ifdef CONFIG_DEVFS_FS
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#include <linux/devfs_fs_kernel.h>
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#endif
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#include <asm/uaccess.h>
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#include <asm/system.h>
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#include <asm/io.h>
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#define TRUE 1
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#define FALSE 0
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#define DEFAULT_MGA_VID_MAJOR 178
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#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
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#define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520
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#endif
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#ifndef PCI_DEVICE_ID_MATROX_G200_AGP
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#define PCI_DEVICE_ID_MATROX_G200_AGP 0x0521
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#endif
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#ifndef PCI_DEVICE_ID_MATROX_G400
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#define PCI_DEVICE_ID_MATROX_G400 0x0525
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#endif
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#ifndef PCI_DEVICE_ID_MATROX_G550
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#define PCI_DEVICE_ID_MATROX_G550 0x2527
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#endif
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#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB
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#define PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB 0x2159
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#endif
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#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM
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#define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM 0x19d8
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#endif
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#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM
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#define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM 0x0328
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#endif
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MODULE_AUTHOR("Aaron Holtzman <aholtzma@engr.uvic.ca>");
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#ifdef MODULE_LICENSE
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MODULE_LICENSE("GPL");
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#endif
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#define PARAM_BRIGHTNESS "brightness="
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#define PARAM_CONTRAST "contrast="
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#define PARAM_BLACKIE "blackie="
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// set PARAM_BUFF_SIZE to just below 4k because some kernel versions
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// store additional information in the memory page which leads to
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// the allocation of an additional page if exactly 4k is used
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#define PARAM_BUFF_SIZE 4000
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#ifndef min
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#define min(x,y) (((x)<(y))?(x):(y))
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
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#include <linux/ctype.h>
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static unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
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{
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unsigned long result = 0,value;
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if (!base) {
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base = 10;
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if (*cp == '0') {
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base = 8;
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cp++;
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if ((*cp == 'x') && isxdigit(cp[1])) {
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cp++;
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base = 16;
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}
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}
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}
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while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
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? toupper(*cp) : *cp)-'A'+10) < base) {
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result = result*base + value;
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cp++;
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}
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if (endp)
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*endp = (char *)cp;
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return result;
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}
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) || LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,5)
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static long simple_strtol(const char *cp,char **endp,unsigned int base)
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{
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if(*cp=='-')
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return -simple_strtoul(cp+1,endp,base);
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return simple_strtoul(cp,endp,base);
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}
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#endif
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typedef struct bes_registers_s
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{
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//BES Control
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uint32_t besctl;
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//BES Global control
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uint32_t besglobctl;
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//Luma control (brightness and contrast)
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uint32_t beslumactl;
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//Line pitch
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uint32_t bespitch;
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//Buffer A-1 Chroma 3 plane org
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uint32_t besa1c3org;
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//Buffer A-1 Chroma org
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uint32_t besa1corg;
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//Buffer A-1 Luma org
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uint32_t besa1org;
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//Buffer A-2 Chroma 3 plane org
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uint32_t besa2c3org;
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//Buffer A-2 Chroma org
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uint32_t besa2corg;
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//Buffer A-2 Luma org
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uint32_t besa2org;
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//Buffer B-1 Chroma 3 plane org
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uint32_t besb1c3org;
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//Buffer B-1 Chroma org
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uint32_t besb1corg;
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//Buffer B-1 Luma org
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uint32_t besb1org;
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//Buffer B-2 Chroma 3 plane org
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uint32_t besb2c3org;
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//Buffer B-2 Chroma org
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uint32_t besb2corg;
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//Buffer B-2 Luma org
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uint32_t besb2org;
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//BES Horizontal coord
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uint32_t beshcoord;
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//BES Horizontal inverse scaling [5.14]
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uint32_t beshiscal;
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//BES Horizontal source start [10.14] (for scaling)
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uint32_t beshsrcst;
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//BES Horizontal source ending [10.14] (for scaling)
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uint32_t beshsrcend;
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//BES Horizontal source last
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uint32_t beshsrclst;
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//BES Vertical coord
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uint32_t besvcoord;
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//BES Vertical inverse scaling [5.14]
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uint32_t besviscal;
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//BES Field 1 vertical source last position
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uint32_t besv1srclst;
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//BES Field 1 weight start
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uint32_t besv1wght;
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//BES Field 2 vertical source last position
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uint32_t besv2srclst;
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//BES Field 2 weight start
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uint32_t besv2wght;
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//configurable stuff
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int blackie;
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} bes_registers_t;
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#ifdef CRTC2
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typedef struct crtc2_registers_s
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{
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uint32_t c2ctl;
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uint32_t c2datactl;
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uint32_t c2misc;
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uint32_t c2hparam;
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uint32_t c2hsync;
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uint32_t c2offset;
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uint32_t c2pl2startadd0;
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uint32_t c2pl2startadd1;
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uint32_t c2pl3startadd0;
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uint32_t c2pl3startadd1;
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uint32_t c2preload;
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uint32_t c2spicstartadd0;
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uint32_t c2spicstartadd1;
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uint32_t c2startadd0;
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uint32_t c2startadd1;
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uint32_t c2subpiclut;
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uint32_t c2vcount;
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uint32_t c2vparam;
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uint32_t c2vsync;
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} crtc2_registers_t;
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#endif
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//All register offsets are converted to word aligned offsets (32 bit)
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//because we want all our register accesses to be 32 bits
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#define VCOUNT 0x1e20
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#define PALWTADD 0x3c00 // Index register for X_DATAREG port
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#define X_DATAREG 0x3c0a
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#define XMULCTRL 0x19
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#define BPP_8 0x00
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#define BPP_15 0x01
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#define BPP_16 0x02
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#define BPP_24 0x03
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#define BPP_32_DIR 0x04
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#define BPP_32_PAL 0x07
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#define XCOLMSK 0x40
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#define X_COLKEY 0x42
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#define XKEYOPMODE 0x51
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#define XCOLMSK0RED 0x52
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#define XCOLMSK0GREEN 0x53
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#define XCOLMSK0BLUE 0x54
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#define XCOLKEY0RED 0x55
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#define XCOLKEY0GREEN 0x56
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#define XCOLKEY0BLUE 0x57
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#ifdef CRTC2
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/*CRTC2 registers*/
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#define XMISCCTRL 0x1e
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#define C2CTL 0x3c10
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#define C2DATACTL 0x3c4c
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#define C2MISC 0x3c44
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#define C2HPARAM 0x3c14
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#define C2HSYNC 0x3c18
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#define C2OFFSET 0x3c40
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#define C2PL2STARTADD0 0x3c30 // like BESA1CORG
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#define C2PL2STARTADD1 0x3c34 // like BESA2CORG
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#define C2PL3STARTADD0 0x3c38 // like BESA1C3ORG
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#define C2PL3STARTADD1 0x3c3c // like BESA2C3ORG
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#define C2PRELOAD 0x3c24
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#define C2SPICSTARTADD0 0x3c54
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#define C2SPICSTARTADD1 0x3c58
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#define C2STARTADD0 0x3c28 // like BESA1ORG
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#define C2STARTADD1 0x3c2c // like BESA2ORG
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#define C2SUBPICLUT 0x3c50
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#define C2VCOUNT 0x3c48
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#define C2VPARAM 0x3c1c
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#define C2VSYNC 0x3c20
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#endif
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// Backend Scaler registers
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#define BESCTL 0x3d20
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#define BESGLOBCTL 0x3dc0
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#define BESLUMACTL 0x3d40
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#define BESPITCH 0x3d24
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#define BESA1C3ORG 0x3d60
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#define BESA1CORG 0x3d10
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#define BESA1ORG 0x3d00
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#define BESA2C3ORG 0x3d64
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#define BESA2CORG 0x3d14
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#define BESA2ORG 0x3d04
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#define BESB1C3ORG 0x3d68
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#define BESB1CORG 0x3d18
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#define BESB1ORG 0x3d08
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#define BESB2C3ORG 0x3d6C
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#define BESB2CORG 0x3d1C
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#define BESB2ORG 0x3d0C
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#define BESHCOORD 0x3d28
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#define BESHISCAL 0x3d30
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#define BESHSRCEND 0x3d3C
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#define BESHSRCLST 0x3d50
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#define BESHSRCST 0x3d38
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#define BESV1WGHT 0x3d48
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#define BESV2WGHT 0x3d4c
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#define BESV1SRCLST 0x3d54
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#define BESV2SRCLST 0x3d58
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#define BESVISCAL 0x3d34
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#define BESVCOORD 0x3d2c
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#define BESSTATUS 0x3dc4
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#define CRTCX 0x1fd4
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#define CRTCD 0x1fd5
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#define IEN 0x1e1c
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#define ICLEAR 0x1e18
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#define STATUS 0x1e14
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// global devfs handle for /dev/mga_vid
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#ifdef CONFIG_DEVFS_FS
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static devfs_handle_t dev_handle = NULL;
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#endif
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// card local config
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typedef struct mga_card_s {
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// local devfs handle for /dev/mga_vidX
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#ifdef CONFIG_DEVFS_FS
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devfs_handle_t dev_handle;
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#endif
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uint8_t *param_buff; // buffer for read()
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uint32_t param_buff_size;
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uint32_t param_buff_len;
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bes_registers_t regs;
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#ifdef CRTC2
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crtc2_registers_t cregs;
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#endif
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uint32_t vid_in_use;
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uint32_t is_g400;
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uint32_t vid_src_ready;
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uint32_t vid_overlay_on;
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uint8_t *mmio_base;
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uint32_t mem_base;
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int src_base; // YUV buffer position in video memory
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uint32_t ram_size; // how much megabytes videoram we have
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uint32_t top_reserved; // reserved space for console font (matroxfb + fastfont)
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int brightness; // initial brightness
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int contrast; // initial contrast
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struct pci_dev *pci_dev;
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mga_vid_config_t config;
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int configured; // set to 1 when the card is configured over ioctl
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int colkey_saved;
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int colkey_on;
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unsigned char colkey_color[4];
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unsigned char colkey_mask[4];
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int irq; // = -1
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int next_frame;
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} mga_card_t;
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#define MGA_MAX_CARDS 16
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// this is used as init value for the parameter arrays
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// it should have exactly MGA_MAX_CARDS elements
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#define MGA_MAX_CARDS_INIT_ARRAY {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
|
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static unsigned int mga_cards_num=0;
|
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static mga_card_t * mga_cards[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
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|
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// module parameters
|
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static int major = DEFAULT_MGA_VID_MAJOR;
|
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static int mga_ram_size[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
|
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static int mga_brightness[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
|
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static int mga_contrast[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
|
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static int mga_top_reserved[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
|
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|
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MODULE_PARM(mga_ram_size, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
|
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MODULE_PARM(mga_top_reserved, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
|
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MODULE_PARM(mga_brightness, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
|
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MODULE_PARM(mga_contrast, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
|
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MODULE_PARM(major, "i");
|
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|
||
#ifdef CRTC2
|
||
static void crtc2_frame_sel(mga_card_t * card, int frame)
|
||
{
|
||
switch(frame) {
|
||
case 0:
|
||
card->cregs.c2pl2startadd0=card->regs.besa1corg;
|
||
card->cregs.c2pl3startadd0=card->regs.besa1c3org;
|
||
card->cregs.c2startadd0=card->regs.besa1org;
|
||
break;
|
||
case 1:
|
||
card->cregs.c2pl2startadd0=card->regs.besa2corg;
|
||
card->cregs.c2pl3startadd0=card->regs.besa2c3org;
|
||
card->cregs.c2startadd0=card->regs.besa2org;
|
||
break;
|
||
case 2:
|
||
card->cregs.c2pl2startadd0=card->regs.besb1corg;
|
||
card->cregs.c2pl3startadd0=card->regs.besb1c3org;
|
||
card->cregs.c2startadd0=card->regs.besb1org;
|
||
break;
|
||
case 3:
|
||
card->cregs.c2pl2startadd0=card->regs.besb2corg;
|
||
card->cregs.c2pl3startadd0=card->regs.besb2c3org;
|
||
card->cregs.c2startadd0=card->regs.besb2org;
|
||
break;
|
||
}
|
||
writel(card->cregs.c2startadd0, card->mmio_base + C2STARTADD0);
|
||
writel(card->cregs.c2pl2startadd0, card->mmio_base + C2PL2STARTADD0);
|
||
writel(card->cregs.c2pl3startadd0, card->mmio_base + C2PL3STARTADD0);
|
||
}
|
||
#endif
|
||
|
||
static void mga_vid_frame_sel(mga_card_t * card, int frame)
|
||
{
|
||
if ( card->irq != -1 ) {
|
||
card->next_frame=frame;
|
||
} else {
|
||
|
||
//we don't need the vcount protection as we're only hitting
|
||
//one register (and it doesn't seem to be double buffered)
|
||
card->regs.besctl = (card->regs.besctl & ~0x07000000) + (frame << 25);
|
||
writel( card->regs.besctl, card->mmio_base + BESCTL );
|
||
|
||
// writel( card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT)+2)<<16),
|
||
writel( card->regs.besglobctl + (MGA_VSYNC_POS<<16),
|
||
card->mmio_base + BESGLOBCTL);
|
||
#ifdef CRTC2
|
||
crtc2_frame_sel(card, frame);
|
||
#endif
|
||
|
||
}
|
||
}
|
||
|
||
|
||
static void mga_vid_write_regs(mga_card_t * card, int restore)
|
||
{
|
||
//Make sure internal registers don't get updated until we're done
|
||
writel( (readl(card->mmio_base + VCOUNT)-1)<<16,
|
||
card->mmio_base + BESGLOBCTL);
|
||
|
||
// color or coordinate keying
|
||
|
||
if(restore && card->colkey_saved){
|
||
// restore it
|
||
card->colkey_saved=0;
|
||
|
||
#ifdef MP_DEBUG
|
||
printk("mga_vid: Restoring colorkey (ON: %d %02X:%02X:%02X)\n",
|
||
card->colkey_on,card->colkey_color[0],card->colkey_color[1],card->colkey_color[2]);
|
||
#endif
|
||
|
||
// Set color key registers:
|
||
writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_on, card->mmio_base + X_DATAREG);
|
||
|
||
writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_color[0], card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_color[1], card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_color[2], card->mmio_base + X_DATAREG);
|
||
writeb( X_COLKEY, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_color[3], card->mmio_base + X_DATAREG);
|
||
|
||
writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_mask[0], card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_mask[1], card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_mask[2], card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK, card->mmio_base + PALWTADD);
|
||
writeb( card->colkey_mask[3], card->mmio_base + X_DATAREG);
|
||
|
||
} else if(!card->colkey_saved){
|
||
// save it
|
||
card->colkey_saved=1;
|
||
// Get color key registers:
|
||
writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
|
||
card->colkey_on=(unsigned char)readb(card->mmio_base + X_DATAREG) & 1;
|
||
|
||
writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
|
||
card->colkey_color[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
|
||
card->colkey_color[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
|
||
card->colkey_color[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( X_COLKEY, card->mmio_base + PALWTADD);
|
||
card->colkey_color[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
|
||
writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
|
||
card->colkey_mask[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
|
||
card->colkey_mask[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
|
||
card->colkey_mask[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK, card->mmio_base + PALWTADD);
|
||
card->colkey_mask[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
|
||
|
||
#ifdef MP_DEBUG
|
||
printk("mga_vid: Saved colorkey (ON: %d %02X:%02X:%02X)\n",
|
||
card->colkey_on, card->colkey_color[0], card->colkey_color[1], card->colkey_color[2]);
|
||
#endif
|
||
|
||
}
|
||
|
||
if(!restore){
|
||
writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
|
||
writeb( card->config.colkey_on, card->mmio_base + X_DATAREG);
|
||
if ( card->config.colkey_on )
|
||
{
|
||
uint32_t r=0, g=0, b=0;
|
||
|
||
writeb( XMULCTRL, card->mmio_base + PALWTADD);
|
||
switch (readb (card->mmio_base + X_DATAREG))
|
||
{
|
||
case BPP_8:
|
||
/* Need to look up the color index, just using color 0 for now. */
|
||
break;
|
||
|
||
case BPP_15:
|
||
r = card->config.colkey_red >> 3;
|
||
g = card->config.colkey_green >> 3;
|
||
b = card->config.colkey_blue >> 3;
|
||
break;
|
||
|
||
case BPP_16:
|
||
r = card->config.colkey_red >> 3;
|
||
g = card->config.colkey_green >> 2;
|
||
b = card->config.colkey_blue >> 3;
|
||
break;
|
||
|
||
case BPP_24:
|
||
case BPP_32_DIR:
|
||
case BPP_32_PAL:
|
||
r = card->config.colkey_red;
|
||
g = card->config.colkey_green;
|
||
b = card->config.colkey_blue;
|
||
break;
|
||
}
|
||
|
||
// Disable color keying on alpha channel
|
||
writeb( XCOLMSK, card->mmio_base + PALWTADD);
|
||
writeb( 0x00, card->mmio_base + X_DATAREG);
|
||
writeb( X_COLKEY, card->mmio_base + PALWTADD);
|
||
writeb( 0x00, card->mmio_base + X_DATAREG);
|
||
|
||
|
||
// Set up color key registers
|
||
writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
|
||
writeb( r, card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
|
||
writeb( g, card->mmio_base + X_DATAREG);
|
||
writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
|
||
writeb( b, card->mmio_base + X_DATAREG);
|
||
|
||
// Set up color key mask registers
|
||
writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
|
||
writeb( 0xff, card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
|
||
writeb( 0xff, card->mmio_base + X_DATAREG);
|
||
writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
|
||
writeb( 0xff, card->mmio_base + X_DATAREG);
|
||
}
|
||
|
||
}
|
||
|
||
// Backend Scaler
|
||
writel( card->regs.besctl, card->mmio_base + BESCTL);
|
||
if(card->is_g400)
|
||
writel( card->regs.beslumactl, card->mmio_base + BESLUMACTL);
|
||
writel( card->regs.bespitch, card->mmio_base + BESPITCH);
|
||
|
||
writel( card->regs.besa1org, card->mmio_base + BESA1ORG);
|
||
writel( card->regs.besa1corg, card->mmio_base + BESA1CORG);
|
||
writel( card->regs.besa2org, card->mmio_base + BESA2ORG);
|
||
writel( card->regs.besa2corg, card->mmio_base + BESA2CORG);
|
||
writel( card->regs.besb1org, card->mmio_base + BESB1ORG);
|
||
writel( card->regs.besb1corg, card->mmio_base + BESB1CORG);
|
||
writel( card->regs.besb2org, card->mmio_base + BESB2ORG);
|
||
writel( card->regs.besb2corg, card->mmio_base + BESB2CORG);
|
||
if(card->is_g400)
|
||
{
|
||
writel( card->regs.besa1c3org, card->mmio_base + BESA1C3ORG);
|
||
writel( card->regs.besa2c3org, card->mmio_base + BESA2C3ORG);
|
||
writel( card->regs.besb1c3org, card->mmio_base + BESB1C3ORG);
|
||
writel( card->regs.besb2c3org, card->mmio_base + BESB2C3ORG);
|
||
}
|
||
|
||
writel( card->regs.beshcoord, card->mmio_base + BESHCOORD);
|
||
writel( card->regs.beshiscal, card->mmio_base + BESHISCAL);
|
||
writel( card->regs.beshsrcst, card->mmio_base + BESHSRCST);
|
||
writel( card->regs.beshsrcend, card->mmio_base + BESHSRCEND);
|
||
writel( card->regs.beshsrclst, card->mmio_base + BESHSRCLST);
|
||
|
||
writel( card->regs.besvcoord, card->mmio_base + BESVCOORD);
|
||
writel( card->regs.besviscal, card->mmio_base + BESVISCAL);
|
||
|
||
writel( card->regs.besv1srclst, card->mmio_base + BESV1SRCLST);
|
||
writel( card->regs.besv1wght, card->mmio_base + BESV1WGHT);
|
||
writel( card->regs.besv2srclst, card->mmio_base + BESV2SRCLST);
|
||
writel( card->regs.besv2wght, card->mmio_base + BESV2WGHT);
|
||
|
||
//update the registers somewhere between 1 and 2 frames from now.
|
||
writel( card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT)+2)<<16),
|
||
card->mmio_base + BESGLOBCTL);
|
||
|
||
#if 0
|
||
printk(KERN_DEBUG "mga_vid: wrote BES registers\n");
|
||
printk(KERN_DEBUG "mga_vid: BESCTL = 0x%08x\n",
|
||
readl(card->mmio_base + BESCTL));
|
||
printk(KERN_DEBUG "mga_vid: BESGLOBCTL = 0x%08x\n",
|
||
readl(card->mmio_base + BESGLOBCTL));
|
||
printk(KERN_DEBUG "mga_vid: BESSTATUS= 0x%08x\n",
|
||
readl(card->mmio_base + BESSTATUS));
|
||
#endif
|
||
#ifdef CRTC2
|
||
// printk("c2ctl:0x%08x c2datactl:0x%08x\n", readl(card->mmio_base + C2CTL), readl(card->mmio_base + C2DATACTL));
|
||
// printk("c2misc:0x%08x\n", readl(card->mmio_base + C2MISC));
|
||
// printk("c2ctl:0x%08x c2datactl:0x%08x\n", card->cregs.c2ctl, card->cregs.c2datactl);
|
||
|
||
// writel(card->cregs.c2ctl, card->mmio_base + C2CTL);
|
||
|
||
writel(((readl(card->mmio_base + C2CTL) & ~0x03e00000) + (card->cregs.c2ctl & 0x03e00000)), card->mmio_base + C2CTL);
|
||
writel(((readl(card->mmio_base + C2DATACTL) & ~0x000000ff) + (card->cregs.c2datactl & 0x000000ff)), card->mmio_base + C2DATACTL);
|
||
// ctrc2
|
||
// disable CRTC2 acording to specs
|
||
// writel(card->cregs.c2ctl & 0xfffffff0, card->mmio_base + C2CTL);
|
||
// je to treba ???
|
||
// writeb((readb(card->mmio_base + XMISCCTRL) & 0x19) | 0xa2, card->mmio_base + XMISCCTRL); // MAFC - mfcsel & vdoutsel
|
||
// writeb((readb(card->mmio_base + XMISCCTRL) & 0x19) | 0x92, card->mmio_base + XMISCCTRL);
|
||
// writeb((readb(card->mmio_base + XMISCCTRL) & ~0xe9) + 0xa2, card->mmio_base + XMISCCTRL);
|
||
// writel(card->cregs.c2datactl, card->mmio_base + C2DATACTL);
|
||
// writel(card->cregs.c2hparam, card->mmio_base + C2HPARAM);
|
||
// writel(card->cregs.c2hsync, card->mmio_base + C2HSYNC);
|
||
// writel(card->cregs.c2vparam, card->mmio_base + C2VPARAM);
|
||
// writel(card->cregs.c2vsync, card->mmio_base + C2VSYNC);
|
||
writel(card->cregs.c2misc, card->mmio_base + C2MISC);
|
||
|
||
#ifdef MP_DEBUG
|
||
printk("c2offset = %d\n",card->cregs.c2offset);
|
||
#endif
|
||
|
||
writel(card->cregs.c2offset, card->mmio_base + C2OFFSET);
|
||
writel(card->cregs.c2startadd0, card->mmio_base + C2STARTADD0);
|
||
// writel(card->cregs.c2startadd1, card->mmio_base + C2STARTADD1);
|
||
writel(card->cregs.c2pl2startadd0, card->mmio_base + C2PL2STARTADD0);
|
||
// writel(card->cregs.c2pl2startadd1, card->mmio_base + C2PL2STARTADD1);
|
||
writel(card->cregs.c2pl3startadd0, card->mmio_base + C2PL3STARTADD0);
|
||
// writel(card->cregs.c2pl3startadd1, card->mmio_base + C2PL3STARTADD1);
|
||
writel(card->cregs.c2spicstartadd0, card->mmio_base + C2SPICSTARTADD0);
|
||
// writel(card->cregs.c2spicstartadd1, card->mmio_base + C2SPICSTARTADD1);
|
||
// writel(card->cregs.c2subpiclut, card->mmio_base + C2SUBPICLUT);
|
||
// writel(card->cregs.c2preload, card->mmio_base + C2PRELOAD);
|
||
// finaly enable everything
|
||
// writel(card->cregs.c2ctl, card->mmio_base + C2CTL);
|
||
// printk("c2ctl:0x%08x c2datactl:0x%08x\n",readl(card->mmio_base + C2CTL),readl(card->mmio_base + C2DATACTL));
|
||
// printk("c2misc:0x%08x\n", readl(card->mmio_base + C2MISC));
|
||
#endif
|
||
}
|
||
|
||
static int mga_vid_set_config(mga_card_t * card)
|
||
{
|
||
int x, y, sw, sh, dw, dh;
|
||
int besleft, bestop, ifactor, ofsleft, ofstop, baseadrofs, weight, weights;
|
||
mga_vid_config_t *config = &card->config;
|
||
int frame_size = card->config.frame_size;
|
||
|
||
#ifdef CRTC2
|
||
#define right_margin 0
|
||
#define left_margin 18
|
||
#define hsync_len 46
|
||
#define lower_margin 10
|
||
#define vsync_len 4
|
||
#define upper_margin 39
|
||
|
||
unsigned int hdispend = (config->src_width + 31) & ~31;
|
||
unsigned int hsyncstart = hdispend + (right_margin & ~7);
|
||
unsigned int hsyncend = hsyncstart + (hsync_len & ~7);
|
||
unsigned int htotal = hsyncend + (left_margin & ~7);
|
||
unsigned int vdispend = config->src_height;
|
||
unsigned int vsyncstart = vdispend + lower_margin;
|
||
unsigned int vsyncend = vsyncstart + vsync_len;
|
||
unsigned int vtotal = vsyncend + upper_margin;
|
||
#endif
|
||
x = config->x_org;
|
||
y = config->y_org;
|
||
sw = config->src_width;
|
||
sh = config->src_height;
|
||
dw = config->dest_width;
|
||
dh = config->dest_height;
|
||
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: Setting up a %dx%d+%d+%d video window (src %dx%d) format %X\n",
|
||
dw, dh, x, y, sw, sh, config->format);
|
||
#endif
|
||
|
||
if(sw<4 || sh<4 || dw<4 || dh<4){
|
||
printk(KERN_ERR "mga_vid: Invalid src/dest dimenstions\n");
|
||
return -1;
|
||
}
|
||
|
||
//FIXME check that window is valid and inside desktop
|
||
|
||
//Setup the BES registers for a three plane 4:2:0 video source
|
||
|
||
card->regs.besglobctl = 0;
|
||
|
||
switch(config->format){
|
||
case MGA_VID_FORMAT_YV12:
|
||
case MGA_VID_FORMAT_I420:
|
||
case MGA_VID_FORMAT_IYUV:
|
||
card->regs.besctl = 1 // BES enabled
|
||
+ (0<<6) // even start polarity
|
||
+ (1<<10) // x filtering enabled
|
||
+ (1<<11) // y filtering enabled
|
||
+ (1<<16) // chroma upsampling
|
||
+ (1<<17) // 4:2:0 mode
|
||
+ (1<<18); // dither enabled
|
||
#if 0
|
||
if(card->is_g400)
|
||
{
|
||
//zoom disabled, zoom filter disabled, 420 3 plane format, proc amp
|
||
//disabled, rgb mode disabled
|
||
card->regs.besglobctl = (1<<5);
|
||
}
|
||
else
|
||
{
|
||
//zoom disabled, zoom filter disabled, Cb samples in 0246, Cr
|
||
//in 1357, BES register update on besvcnt
|
||
card->regs.besglobctl = 0;
|
||
}
|
||
#endif
|
||
break;
|
||
|
||
case MGA_VID_FORMAT_YUY2:
|
||
card->regs.besctl = 1 // BES enabled
|
||
+ (0<<6) // even start polarity
|
||
+ (1<<10) // x filtering enabled
|
||
+ (1<<11) // y filtering enabled
|
||
+ (1<<16) // chroma upsampling
|
||
+ (0<<17) // 4:2:2 mode
|
||
+ (1<<18); // dither enabled
|
||
|
||
card->regs.besglobctl = 0; // YUY2 format selected
|
||
break;
|
||
|
||
case MGA_VID_FORMAT_UYVY:
|
||
card->regs.besctl = 1 // BES enabled
|
||
+ (0<<6) // even start polarity
|
||
+ (1<<10) // x filtering enabled
|
||
+ (1<<11) // y filtering enabled
|
||
+ (1<<16) // chroma upsampling
|
||
+ (0<<17) // 4:2:2 mode
|
||
+ (1<<18); // dither enabled
|
||
|
||
card->regs.besglobctl = 1<<6; // UYVY format selected
|
||
break;
|
||
|
||
default:
|
||
printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
|
||
return -1;
|
||
}
|
||
|
||
// setting black&white mode
|
||
card->regs.besctl|=(card->regs.blackie<<20);
|
||
|
||
//Enable contrast and brightness control
|
||
card->regs.besglobctl |= (1<<5) + (1<<7);
|
||
|
||
// brightness (-128..127) && contrast (0..255)
|
||
card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
|
||
|
||
//Setup destination window boundaries
|
||
besleft = x > 0 ? x : 0;
|
||
bestop = y > 0 ? y : 0;
|
||
card->regs.beshcoord = (besleft<<16) + (x + dw-1);
|
||
card->regs.besvcoord = (bestop<<16) + (y + dh-1);
|
||
|
||
//Setup source dimensions
|
||
card->regs.beshsrclst = (sw - 1) << 16;
|
||
card->regs.bespitch = (sw + 31) & ~31 ;
|
||
|
||
//Setup horizontal scaling
|
||
ifactor = ((sw-1)<<14)/(dw-1);
|
||
ofsleft = besleft - x;
|
||
|
||
card->regs.beshiscal = ifactor<<2;
|
||
card->regs.beshsrcst = (ofsleft*ifactor)<<2;
|
||
card->regs.beshsrcend = card->regs.beshsrcst + (((dw - ofsleft - 1) * ifactor) << 2);
|
||
|
||
//Setup vertical scaling
|
||
ifactor = ((sh-1)<<14)/(dh-1);
|
||
ofstop = bestop - y;
|
||
|
||
card->regs.besviscal = ifactor<<2;
|
||
|
||
baseadrofs = ( (ofstop * card->regs.besviscal) >>16) * card->regs.bespitch;
|
||
//frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2;
|
||
card->regs.besa1org = (uint32_t) card->src_base + baseadrofs;
|
||
card->regs.besa2org = (uint32_t) card->src_base + baseadrofs + 1*frame_size;
|
||
card->regs.besb1org = (uint32_t) card->src_base + baseadrofs + 2*frame_size;
|
||
card->regs.besb2org = (uint32_t) card->src_base + baseadrofs + 3*frame_size;
|
||
|
||
if(config->format==MGA_VID_FORMAT_YV12
|
||
||config->format==MGA_VID_FORMAT_IYUV
|
||
||config->format==MGA_VID_FORMAT_I420
|
||
){
|
||
// planar YUV frames:
|
||
if (card->is_g400)
|
||
baseadrofs = ( ( (ofstop * card->regs.besviscal ) / 4 ) >> 16 ) * card->regs.bespitch;
|
||
else
|
||
baseadrofs = ( ( ( ofstop * card->regs.besviscal ) / 2 ) >> 16 ) * card->regs.bespitch;
|
||
|
||
if(config->format==MGA_VID_FORMAT_YV12 || !card->is_g400){
|
||
card->regs.besa1corg = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
|
||
card->regs.besa2corg = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besb1corg = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besb2corg = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besa1c3org = card->regs.besa1corg + ( (card->regs.bespitch * sh) / 4);
|
||
card->regs.besa2c3org = card->regs.besa2corg + ( (card->regs.bespitch * sh) / 4);
|
||
card->regs.besb1c3org = card->regs.besb1corg + ( (card->regs.bespitch * sh) / 4);
|
||
card->regs.besb2c3org = card->regs.besb2corg + ( (card->regs.bespitch * sh) / 4);
|
||
} else {
|
||
card->regs.besa1c3org = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
|
||
card->regs.besa2c3org = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besb1c3org = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besb2c3org = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
|
||
card->regs.besa1corg = card->regs.besa1c3org + ((card->regs.bespitch * sh) / 4);
|
||
card->regs.besa2corg = card->regs.besa2c3org + ((card->regs.bespitch * sh) / 4);
|
||
card->regs.besb1corg = card->regs.besb1c3org + ((card->regs.bespitch * sh) / 4);
|
||
card->regs.besb2corg = card->regs.besb2c3org + ((card->regs.bespitch * sh) / 4);
|
||
}
|
||
|
||
}
|
||
|
||
weight = ofstop * (card->regs.besviscal >> 2);
|
||
weights = weight < 0 ? 1 : 0;
|
||
card->regs.besv2wght = card->regs.besv1wght = (weights << 16) + ((weight & 0x3FFF) << 2);
|
||
card->regs.besv2srclst = card->regs.besv1srclst = sh - 1 - (((ofstop * card->regs.besviscal) >> 16) & 0x03FF);
|
||
|
||
#ifdef CRTC2
|
||
// pridat hlavni registry - tj. casovani ...
|
||
|
||
|
||
switch(config->format){
|
||
case MGA_VID_FORMAT_YV12:
|
||
case MGA_VID_FORMAT_I420:
|
||
case MGA_VID_FORMAT_IYUV:
|
||
card->cregs.c2ctl = 1 // CRTC2 enabled
|
||
+ (1<<1) // external clock
|
||
+ (0<<2) // external clock
|
||
+ (1<<3) // pixel clock enable - not needed ???
|
||
+ (0<<4) // high prioryty req
|
||
+ (1<<5) // high prioryty req
|
||
+ (0<<6) // high prioryty req
|
||
+ (1<<8) // high prioryty req max
|
||
+ (0<<9) // high prioryty req max
|
||
+ (0<<10) // high prioryty req max
|
||
+ (0<<20) // CRTC1 to DAC
|
||
+ (1<<21) // 420 mode
|
||
+ (1<<22) // 420 mode
|
||
+ (1<<23) // 420 mode
|
||
+ (0<<24) // single chroma line for 420 mode - need to be corrected
|
||
+ (0<<25) /*/ interlace mode - need to be corrected*/
|
||
+ (0<<26) // field legth polariry
|
||
+ (0<<27) // field identification polariry
|
||
+ (1<<28) // VIDRST detection mode
|
||
+ (0<<29) // VIDRST detection mode
|
||
+ (1<<30) // Horizontal counter preload
|
||
+ (1<<31) // Vertical counter preload
|
||
;
|
||
card->cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode
|
||
+ (1<<1) // Y filter enable
|
||
+ (1<<2) // CbCr filter enable
|
||
+ (0<<3) // subpicture enable (disabled)
|
||
+ (0<<4) // NTSC enable (disabled - PAL)
|
||
+ (0<<5) // C2 static subpicture enable (disabled)
|
||
+ (0<<6) // C2 subpicture offset division (disabled)
|
||
+ (0<<7) // 422 subformat selection !
|
||
/* + (0<<8) // 15 bpp high alpha
|
||
+ (0<<9) // 15 bpp high alpha
|
||
+ (0<<10) // 15 bpp high alpha
|
||
+ (0<<11) // 15 bpp high alpha
|
||
+ (0<<12) // 15 bpp high alpha
|
||
+ (0<<13) // 15 bpp high alpha
|
||
+ (0<<14) // 15 bpp high alpha
|
||
+ (0<<15) // 15 bpp high alpha
|
||
+ (0<<16) // 15 bpp low alpha
|
||
+ (0<<17) // 15 bpp low alpha
|
||
+ (0<<18) // 15 bpp low alpha
|
||
+ (0<<19) // 15 bpp low alpha
|
||
+ (0<<20) // 15 bpp low alpha
|
||
+ (0<<21) // 15 bpp low alpha
|
||
+ (0<<22) // 15 bpp low alpha
|
||
+ (0<<23) // 15 bpp low alpha
|
||
+ (0<<24) // static subpicture key
|
||
+ (0<<25) // static subpicture key
|
||
+ (0<<26) // static subpicture key
|
||
+ (0<<27) // static subpicture key
|
||
+ (0<<28) // static subpicture key
|
||
*/ ;
|
||
break;
|
||
|
||
case MGA_VID_FORMAT_YUY2:
|
||
card->cregs.c2ctl = 1 // CRTC2 enabled
|
||
+ (1<<1) // external clock
|
||
+ (0<<2) // external clock
|
||
+ (1<<3) // pixel clock enable - not needed ???
|
||
+ (0<<4) // high prioryty req - acc to spec
|
||
+ (1<<5) // high prioryty req
|
||
+ (0<<6) // high prioryty req
|
||
// 7 reserved
|
||
+ (1<<8) // high prioryty req max
|
||
+ (0<<9) // high prioryty req max
|
||
+ (0<<10) // high prioryty req max
|
||
// 11-19 reserved
|
||
+ (0<<20) // CRTC1 to DAC
|
||
+ (1<<21) // 422 mode
|
||
+ (0<<22) // 422 mode
|
||
+ (1<<23) // 422 mode
|
||
+ (0<<24) // single chroma line for 420 mode - need to be corrected
|
||
+ (0<<25) /*/ interlace mode - need to be corrected*/
|
||
+ (0<<26) // field legth polariry
|
||
+ (0<<27) // field identification polariry
|
||
+ (1<<28) // VIDRST detection mode
|
||
+ (0<<29) // VIDRST detection mode
|
||
+ (1<<30) // Horizontal counter preload
|
||
+ (1<<31) // Vertical counter preload
|
||
;
|
||
card->cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode
|
||
+ (1<<1) // Y filter enable
|
||
+ (1<<2) // CbCr filter enable
|
||
+ (0<<3) // subpicture enable (disabled)
|
||
+ (0<<4) // NTSC enable (disabled - PAL)
|
||
+ (0<<5) // C2 static subpicture enable (disabled)
|
||
+ (0<<6) // C2 subpicture offset division (disabled)
|
||
+ (0<<7) // 422 subformat selection !
|
||
/* + (0<<8) // 15 bpp high alpha
|
||
+ (0<<9) // 15 bpp high alpha
|
||
+ (0<<10) // 15 bpp high alpha
|
||
+ (0<<11) // 15 bpp high alpha
|
||
+ (0<<12) // 15 bpp high alpha
|
||
+ (0<<13) // 15 bpp high alpha
|
||
+ (0<<14) // 15 bpp high alpha
|
||
+ (0<<15) // 15 bpp high alpha
|
||
+ (0<<16) // 15 bpp low alpha
|
||
+ (0<<17) // 15 bpp low alpha
|
||
+ (0<<18) // 15 bpp low alpha
|
||
+ (0<<19) // 15 bpp low alpha
|
||
+ (0<<20) // 15 bpp low alpha
|
||
+ (0<<21) // 15 bpp low alpha
|
||
+ (0<<22) // 15 bpp low alpha
|
||
+ (0<<23) // 15 bpp low alpha
|
||
+ (0<<24) // static subpicture key
|
||
+ (0<<25) // static subpicture key
|
||
+ (0<<26) // static subpicture key
|
||
+ (0<<27) // static subpicture key
|
||
+ (0<<28) // static subpicture key
|
||
*/ ;
|
||
break;
|
||
|
||
case MGA_VID_FORMAT_UYVY:
|
||
card->cregs.c2ctl = 1 // CRTC2 enabled
|
||
+ (1<<1) // external clock
|
||
+ (0<<2) // external clock
|
||
+ (1<<3) // pixel clock enable - not needed ???
|
||
+ (0<<4) // high prioryty req
|
||
+ (1<<5) // high prioryty req
|
||
+ (0<<6) // high prioryty req
|
||
+ (1<<8) // high prioryty req max
|
||
+ (0<<9) // high prioryty req max
|
||
+ (0<<10) // high prioryty req max
|
||
+ (0<<20) // CRTC1 to DAC
|
||
+ (1<<21) // 422 mode
|
||
+ (0<<22) // 422 mode
|
||
+ (1<<23) // 422 mode
|
||
+ (1<<24) // single chroma line for 420 mode - need to be corrected
|
||
+ (1<<25) /*/ interlace mode - need to be corrected*/
|
||
+ (0<<26) // field legth polariry
|
||
+ (0<<27) // field identification polariry
|
||
+ (1<<28) // VIDRST detection mode
|
||
+ (0<<29) // VIDRST detection mode
|
||
+ (1<<30) // Horizontal counter preload
|
||
+ (1<<31) // Vertical counter preload
|
||
;
|
||
card->cregs.c2datactl = 0 // enable dither - propably not needed, we are already in YUV mode
|
||
+ (1<<1) // Y filter enable
|
||
+ (1<<2) // CbCr filter enable
|
||
+ (0<<3) // subpicture enable (disabled)
|
||
+ (0<<4) // NTSC enable (disabled - PAL)
|
||
+ (0<<5) // C2 static subpicture enable (disabled)
|
||
+ (0<<6) // C2 subpicture offset division (disabled)
|
||
+ (1<<7) // 422 subformat selection !
|
||
/* + (0<<8) // 15 bpp high alpha
|
||
+ (0<<9) // 15 bpp high alpha
|
||
+ (0<<10) // 15 bpp high alpha
|
||
+ (0<<11) // 15 bpp high alpha
|
||
+ (0<<12) // 15 bpp high alpha
|
||
+ (0<<13) // 15 bpp high alpha
|
||
+ (0<<14) // 15 bpp high alpha
|
||
+ (0<<15) // 15 bpp high alpha
|
||
+ (0<<16) // 15 bpp low alpha
|
||
+ (0<<17) // 15 bpp low alpha
|
||
+ (0<<18) // 15 bpp low alpha
|
||
+ (0<<19) // 15 bpp low alpha
|
||
+ (0<<20) // 15 bpp low alpha
|
||
+ (0<<21) // 15 bpp low alpha
|
||
+ (0<<22) // 15 bpp low alpha
|
||
+ (0<<23) // 15 bpp low alpha
|
||
+ (0<<24) // static subpicture key
|
||
+ (0<<25) // static subpicture key
|
||
+ (0<<26) // static subpicture key
|
||
+ (0<<27) // static subpicture key
|
||
+ (0<<28) // static subpicture key
|
||
*/ ;
|
||
break;
|
||
|
||
default:
|
||
printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
|
||
return -1;
|
||
}
|
||
|
||
card->cregs.c2hparam = ( (hdispend - 8) << 16) | (htotal - 8);
|
||
card->cregs.c2hsync = ( (hsyncend - 8) << 16) | (hsyncstart - 8);
|
||
|
||
card->cregs.c2misc=0 // CRTCV2 656 togg f0
|
||
+(0<<1) // CRTCV2 656 togg f0
|
||
+(0<<2) // CRTCV2 656 togg f0
|
||
+(0<<4) // CRTCV2 656 togg f1
|
||
+(0<<5) // CRTCV2 656 togg f1
|
||
+(0<<6) // CRTCV2 656 togg f1
|
||
+(0<<8) // Hsync active high
|
||
+(0<<9) // Vsync active high
|
||
// 16-27 c2vlinecomp - nevim co tam dat
|
||
;
|
||
card->cregs.c2offset=(card->regs.bespitch << 1);
|
||
|
||
card->cregs.c2pl2startadd0=card->regs.besa1corg;
|
||
// card->cregs.c2pl2startadd1=card->regs.besa2corg;
|
||
card->cregs.c2pl3startadd0=card->regs.besa1c3org;
|
||
// card->cregs.c2pl3startadd1=card->regs.besa2c3org;
|
||
|
||
card->cregs.c2preload=(vsyncstart << 16) | (hsyncstart); // from
|
||
|
||
card->cregs.c2spicstartadd0=0; // not used
|
||
// card->cregs.c2spicstartadd1=0; // not used
|
||
|
||
card->cregs.c2startadd0=card->regs.besa1org;
|
||
// card->cregs.c2startadd1=card->regs.besa2org;
|
||
|
||
card->cregs.c2subpiclut=0; //not used
|
||
|
||
card->cregs.c2vparam = ( (vdispend - 1) << 16) | (vtotal - 1);
|
||
card->cregs.c2vsync = ( (vsyncend - 1) << 16) | (vsyncstart - 1);
|
||
|
||
|
||
#endif
|
||
|
||
mga_vid_write_regs(card, 0);
|
||
return 0;
|
||
}
|
||
|
||
#ifdef MGA_ALLOW_IRQ
|
||
|
||
static void enable_irq(mga_card_t * card){
|
||
long int cc;
|
||
|
||
cc = readl(card->mmio_base + IEN);
|
||
// printk(KERN_ALERT "*** !!! IRQREG = %d\n", (int)(cc&0xff));
|
||
|
||
writeb(0x11, card->mmio_base + CRTCX);
|
||
|
||
writeb(0x20, card->mmio_base + CRTCD); /* clear 0, enable off */
|
||
writeb(0x00, card->mmio_base + CRTCD); /* enable on */
|
||
writeb(0x10, card->mmio_base + CRTCD); /* clear = 1 */
|
||
|
||
writel(card->regs.besglobctl , card->mmio_base + BESGLOBCTL);
|
||
|
||
}
|
||
|
||
static void disable_irq(mga_card_t * card){
|
||
|
||
writeb(0x11, card->mmio_base + CRTCX);
|
||
writeb(0x20, card->mmio_base + CRTCD); /* clear 0, enable off */
|
||
|
||
}
|
||
|
||
static void mga_handle_irq(int irq, void *dev_id, struct pt_regs *pregs) {
|
||
// static int frame=0;
|
||
// static int counter=0;
|
||
long int cc;
|
||
mga_card_t * card = dev_id;
|
||
|
||
// printk(KERN_DEBUG "vcount = %d\n",readl(mga_mmio_base + VCOUNT));
|
||
|
||
//printk("mga_interrupt #%d\n", irq);
|
||
|
||
// check whether the interrupt is really for us (irq sharing)
|
||
if ( irq != -1 ) {
|
||
cc = readl(card->mmio_base + STATUS);
|
||
if ( ! (cc & 0x10) ) return; /* vsyncpen */
|
||
// debug_irqcnt++;
|
||
}
|
||
|
||
// if ( debug_irqignore ) {
|
||
// debug_irqignore = 0;
|
||
|
||
// frame=(frame+1)&1;
|
||
card->regs.besctl = (card->regs.besctl & ~0x07000000) + (card->next_frame << 25);
|
||
writel( card->regs.besctl, card->mmio_base + BESCTL );
|
||
|
||
#ifdef CRTC2
|
||
// sem pridat vyber obrazku !!!!
|
||
// i han echt kei ahnig was das obe heisse s<>ll
|
||
crtc2_frame_sel(card->next_frame);
|
||
#endif
|
||
|
||
#if 0
|
||
++counter;
|
||
if(!(counter&63)){
|
||
printk("mga irq counter = %d\n",counter);
|
||
}
|
||
#endif
|
||
|
||
// } else {
|
||
// debug_irqignore = 1;
|
||
// }
|
||
|
||
if ( irq != -1 ) {
|
||
writeb( 0x11, card->mmio_base + CRTCX);
|
||
writeb( 0, card->mmio_base + CRTCD );
|
||
writeb( 0x10, card->mmio_base + CRTCD );
|
||
}
|
||
|
||
// writel( card->regs.besglobctl, card->mmio_base + BESGLOBCTL);
|
||
|
||
|
||
return;
|
||
|
||
}
|
||
|
||
#endif
|
||
|
||
static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
|
||
{
|
||
int frame, result;
|
||
uint32_t tmp;
|
||
mga_card_t * card = (mga_card_t *) file->private_data;
|
||
|
||
switch(cmd)
|
||
{
|
||
case MGA_VID_CONFIG:
|
||
//FIXME remove
|
||
// printk(KERN_DEBUG "mga_vid: vcount = %d\n",readl(card->mmio_base + VCOUNT));
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: mmio_base = %p\n",card->mmio_base);
|
||
printk(KERN_DEBUG "mga_vid: mem_base = %08x\n",card->mem_base);
|
||
//FIXME remove
|
||
|
||
printk(KERN_DEBUG "mga_vid: Received configuration\n");
|
||
#endif
|
||
|
||
if(copy_from_user(&card->config,(mga_vid_config_t*) arg,sizeof(mga_vid_config_t)))
|
||
{
|
||
printk(KERN_ERR "mga_vid: failed copy from userspace\n");
|
||
return(-EFAULT);
|
||
}
|
||
if(card->config.version != MGA_VID_VERSION){
|
||
printk(KERN_ERR "mga_vid: incompatible version! driver: %X requested: %X\n",MGA_VID_VERSION,card->config.version);
|
||
return(-EFAULT);
|
||
}
|
||
|
||
if(card->config.frame_size==0 || card->config.frame_size>1024*768*2){
|
||
printk(KERN_ERR "mga_vid: illegal frame_size: %d\n",card->config.frame_size);
|
||
return(-EFAULT);
|
||
}
|
||
|
||
if(card->config.num_frames<1 || card->config.num_frames>4){
|
||
printk(KERN_ERR "mga_vid: illegal num_frames: %d\n",card->config.num_frames);
|
||
return(-EFAULT);
|
||
}
|
||
|
||
card->src_base = (card->ram_size * 0x100000 - card->config.num_frames * card->config.frame_size - card->top_reserved);
|
||
if(card->src_base<0){
|
||
printk(KERN_ERR "mga_vid: not enough memory for frames!\n");
|
||
return(-EFAULT);
|
||
}
|
||
card->src_base &= (~0xFFFF); // 64k boundary
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga YUV buffer base: 0x%X\n", card->src_base);
|
||
#endif
|
||
|
||
if (card->is_g400)
|
||
card->config.card_type = MGA_G400;
|
||
else
|
||
card->config.card_type = MGA_G200;
|
||
|
||
card->config.ram_size = card->ram_size;
|
||
|
||
if (copy_to_user((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t)))
|
||
{
|
||
printk(KERN_ERR "mga_vid: failed copy to userspace\n");
|
||
return(-EFAULT);
|
||
}
|
||
|
||
result = mga_vid_set_config(card);
|
||
if(!result) card->configured=1;
|
||
return result;
|
||
break;
|
||
|
||
case MGA_VID_ON:
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: Video ON\n");
|
||
#endif
|
||
card->vid_src_ready = 1;
|
||
if(card->vid_overlay_on)
|
||
{
|
||
card->regs.besctl |= 1;
|
||
mga_vid_write_regs(card, 0);
|
||
}
|
||
#ifdef MGA_ALLOW_IRQ
|
||
if ( card->irq != -1 ) enable_irq(card);
|
||
#endif
|
||
card->next_frame=0;
|
||
break;
|
||
|
||
case MGA_VID_OFF:
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: Video OFF (ioctl)\n");
|
||
#endif
|
||
card->vid_src_ready = 0;
|
||
#ifdef MGA_ALLOW_IRQ
|
||
if ( card->irq != -1 ) disable_irq(card);
|
||
#endif
|
||
card->regs.besctl &= ~1;
|
||
card->regs.besglobctl &= ~(1<<6); // UYVY format selected
|
||
mga_vid_write_regs(card, 0);
|
||
break;
|
||
|
||
case MGA_VID_FSEL:
|
||
if(copy_from_user(&frame,(int *) arg,sizeof(int)))
|
||
{
|
||
printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n");
|
||
return(-EFAULT);
|
||
}
|
||
|
||
mga_vid_frame_sel(card, frame);
|
||
break;
|
||
|
||
case MGA_VID_GET_LUMA:
|
||
//tmp = card->regs.beslumactl;
|
||
//tmp = (tmp&0xFFFF0000) | (((tmp&0xFFFF) - 0x80)&0xFFFF);
|
||
tmp = (card->brightness << 16) | (card->contrast&0xFFFF);
|
||
|
||
if (copy_to_user((uint32_t *) arg, &tmp, sizeof(uint32_t)))
|
||
{
|
||
printk(KERN_ERR "mga_vid: failed copy %p to userspace %p\n",
|
||
&tmp, (uint32_t *) arg);
|
||
return(-EFAULT);
|
||
}
|
||
break;
|
||
|
||
case MGA_VID_SET_LUMA:
|
||
tmp = arg;
|
||
card->brightness=tmp>>16; card->contrast=tmp&0xFFFF;
|
||
//card->regs.beslumactl = (tmp&0xFFFF0000) | ((tmp + 0x80)&0xFFFF);
|
||
card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
|
||
mga_vid_write_regs(card, 0);
|
||
break;
|
||
|
||
default:
|
||
printk(KERN_ERR "mga_vid: Invalid ioctl\n");
|
||
return (-EINVAL);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int is_g400);
|
||
|
||
// returns the number of found cards
|
||
static int mga_vid_find_card(void)
|
||
{
|
||
struct pci_dev *dev = NULL;
|
||
char *mga_dev_name;
|
||
mga_card_t * card;
|
||
|
||
while((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_ANY_ID, dev)))
|
||
{
|
||
mga_dev_name = "";
|
||
mga_cards_num++;
|
||
if(mga_cards_num == MGA_MAX_CARDS)
|
||
{
|
||
printk(KERN_WARNING "mga_vid: Trying to initialize more than %d cards\n",MGA_MAX_CARDS);
|
||
mga_cards_num--;
|
||
break;
|
||
}
|
||
|
||
card = kmalloc(sizeof(mga_card_t), GFP_KERNEL);
|
||
if(!card)
|
||
{
|
||
printk(KERN_ERR "mga_vid: memory allocation failed\n");
|
||
mga_cards_num--;
|
||
break;
|
||
}
|
||
|
||
mga_cards[mga_cards_num - 1] = card;
|
||
|
||
switch(dev->device) {
|
||
case PCI_DEVICE_ID_MATROX_G550:
|
||
mga_dev_name = "MGA G550";
|
||
printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
|
||
cards_init(card, dev, mga_cards_num - 1, 1);
|
||
break;
|
||
case PCI_DEVICE_ID_MATROX_G400:
|
||
mga_dev_name = "MGA G400/G450";
|
||
printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
|
||
cards_init(card, dev, mga_cards_num - 1, 1);
|
||
break;
|
||
case PCI_DEVICE_ID_MATROX_G200_AGP:
|
||
mga_dev_name = "MGA G200 AGP";
|
||
printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
|
||
cards_init(card, dev, mga_cards_num - 1, 0);
|
||
break;
|
||
case PCI_DEVICE_ID_MATROX_G200_PCI:
|
||
mga_dev_name = "MGA G200";
|
||
printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
|
||
cards_init(card, dev, mga_cards_num - 1, 0);
|
||
break;
|
||
default:
|
||
mga_cards_num--;
|
||
printk(KERN_INFO "mga_vid: ignoring matrox device (%d) at %s [%s]\n", dev->device, dev->slot_name, dev->name);
|
||
break;
|
||
}
|
||
}
|
||
|
||
if(!mga_cards_num)
|
||
{
|
||
printk(KERN_ERR "mga_vid: No supported cards found\n");
|
||
} else {
|
||
printk(KERN_INFO "mga_vid: %d supported cards found\n", mga_cards_num);
|
||
}
|
||
|
||
return mga_cards_num;
|
||
}
|
||
|
||
static void mga_param_buff_fill( mga_card_t * card )
|
||
{
|
||
unsigned len;
|
||
unsigned size = card->param_buff_size;
|
||
char * buf = card->param_buff;
|
||
len = 0;
|
||
len += snprintf(&buf[len],size-len,"Interface version: %04X\n",MGA_VID_VERSION);
|
||
len += snprintf(&buf[len],size-len,"Memory: %x:%dM\n",card->mem_base,(unsigned int) card->ram_size);
|
||
len += snprintf(&buf[len],size-len,"MMIO: %p\n",card->mmio_base);
|
||
len += snprintf(&buf[len],size-len,"Configurable stuff:\n");
|
||
len += snprintf(&buf[len],size-len,"~~~~~~~~~~~~~~~~~~~\n");
|
||
len += snprintf(&buf[len],size-len,PARAM_BRIGHTNESS"%d\n",card->brightness);
|
||
len += snprintf(&buf[len],size-len,PARAM_CONTRAST"%d\n",card->contrast);
|
||
len += snprintf(&buf[len],size-len,PARAM_BLACKIE"%s\n",card->regs.blackie?"on":"off");
|
||
card->param_buff_len = len;
|
||
// check boundaries of mga_param_buff before writing to it!!!
|
||
}
|
||
|
||
|
||
static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos)
|
||
{
|
||
uint32_t size;
|
||
mga_card_t * card = (mga_card_t *) file->private_data;
|
||
|
||
if(!card->param_buff) return -ESPIPE;
|
||
if(!(*ppos)) mga_param_buff_fill(card);
|
||
if(*ppos >= card->param_buff_len) return 0;
|
||
size = min(count,card->param_buff_len-(uint32_t)(*ppos));
|
||
memcpy(buf,card->param_buff,size);
|
||
*ppos += size;
|
||
return size;
|
||
}
|
||
|
||
static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
|
||
{
|
||
mga_card_t * card = (mga_card_t *) file->private_data;
|
||
|
||
if(memcmp(buf,PARAM_BRIGHTNESS,min(count,strlen(PARAM_BRIGHTNESS))) == 0)
|
||
{
|
||
short brightness;
|
||
brightness=simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)],NULL,10);
|
||
if (brightness>127 || brightness<-128) { brightness=0;}
|
||
// printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness);
|
||
card->brightness=brightness;
|
||
} else
|
||
if(memcmp(buf,PARAM_CONTRAST,min(count,strlen(PARAM_CONTRAST))) == 0)
|
||
{
|
||
short contrast;
|
||
contrast=simple_strtol(&buf[strlen(PARAM_CONTRAST)],NULL,10);
|
||
if (contrast>127 || contrast<-128) { contrast=0;}
|
||
// printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast);
|
||
card->contrast=contrast;
|
||
} else
|
||
|
||
if(memcmp(buf,PARAM_BLACKIE,min(count,strlen(PARAM_BLACKIE))) == 0)
|
||
{
|
||
short blackie;
|
||
blackie=simple_strtol(&buf[strlen(PARAM_BLACKIE)],NULL,10);
|
||
// printk(KERN_DEBUG "mga_vid: shadow mode: ( %d ) \n",blackie);
|
||
card->regs.blackie=(blackie>0)?1:0;
|
||
} else count = -EIO;
|
||
// TODO: reset settings
|
||
return count;
|
||
}
|
||
|
||
static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma)
|
||
{
|
||
mga_card_t * card = (mga_card_t *) file->private_data;
|
||
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: mapping video memory into userspace\n");
|
||
#endif
|
||
|
||
if(!card->configured)
|
||
{
|
||
printk(KERN_ERR "mga_vid: card is not configured, cannot mmap\n");
|
||
return(-EAGAIN);
|
||
}
|
||
|
||
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,3)
|
||
if(remap_page_range(vma, vma->vm_start, card->mem_base + card->src_base,
|
||
vma->vm_end - vma->vm_start, vma->vm_page_prot))
|
||
#else
|
||
if(remap_page_range(vma->vm_start, card->mem_base + card->src_base,
|
||
vma->vm_end - vma->vm_start, vma->vm_page_prot))
|
||
#endif
|
||
{
|
||
printk(KERN_ERR "mga_vid: error mapping video memory\n");
|
||
return(-EAGAIN);
|
||
}
|
||
|
||
return(0);
|
||
}
|
||
|
||
static int mga_vid_release(struct inode *inode, struct file *file)
|
||
{
|
||
mga_card_t * card;
|
||
|
||
//Close the window just in case
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: Video OFF (release)\n");
|
||
#endif
|
||
|
||
card = (mga_card_t *) file->private_data;
|
||
|
||
card->vid_src_ready = 0;
|
||
card->regs.besctl &= ~1;
|
||
card->regs.besglobctl &= ~(1<<6); // UYVY format selected
|
||
// card->config.colkey_on=0; //!!!
|
||
mga_vid_write_regs(card, 1);
|
||
card->vid_in_use = 0;
|
||
|
||
MOD_DEC_USE_COUNT;
|
||
return 0;
|
||
}
|
||
|
||
static long long mga_vid_lseek(struct file *file, long long offset, int origin)
|
||
{
|
||
return -ESPIPE;
|
||
}
|
||
|
||
static int mga_vid_open(struct inode *inode, struct file *file)
|
||
{
|
||
mga_card_t * card;
|
||
|
||
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)
|
||
int minor = MINOR(inode->i_rdev.value);
|
||
#else
|
||
int minor = MINOR(inode->i_rdev);
|
||
#endif
|
||
|
||
if(!file->private_data)
|
||
{
|
||
// we are not using devfs, use the minor
|
||
// number to specify the card we are using
|
||
|
||
// we don't have that many cards
|
||
if(minor >= mga_cards_num)
|
||
return(-ENXIO);
|
||
|
||
file->private_data = mga_cards[minor];
|
||
#ifdef MP_DEBUG
|
||
printk(KERN_DEBUG "mga_vid: Not using devfs\n");
|
||
#endif
|
||
}
|
||
#ifdef MP_DEBUG
|
||
else {
|
||
printk(KERN_DEBUG "mga_vid: Using devfs\n");
|
||
}
|
||
#endif
|
||
|
||
card = (mga_card_t *) file->private_data;
|
||
|
||
if(card->vid_in_use == 1)
|
||
return(-EBUSY);
|
||
|
||
card->vid_in_use = 1;
|
||
MOD_INC_USE_COUNT;
|
||
return(0);
|
||
}
|
||
|
||
#if LINUX_VERSION_CODE >= 0x020400
|
||
static struct file_operations mga_vid_fops =
|
||
{
|
||
llseek: mga_vid_lseek,
|
||
read: mga_vid_read,
|
||
write: mga_vid_write,
|
||
ioctl: mga_vid_ioctl,
|
||
mmap: mga_vid_mmap,
|
||
open: mga_vid_open,
|
||
release: mga_vid_release
|
||
};
|
||
#else
|
||
static struct file_operations mga_vid_fops =
|
||
{
|
||
mga_vid_lseek,
|
||
mga_vid_read,
|
||
mga_vid_write,
|
||
NULL,
|
||
NULL,
|
||
mga_vid_ioctl,
|
||
mga_vid_mmap,
|
||
mga_vid_open,
|
||
NULL,
|
||
mga_vid_release
|
||
};
|
||
#endif
|
||
|
||
static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int is_g400)
|
||
{
|
||
unsigned int card_option;
|
||
// temp buffer for device filename creation used only by devfs
|
||
#ifdef CONFIG_DEVFS_FS
|
||
char buffer[16];
|
||
#endif
|
||
|
||
memset(card,0,sizeof(mga_card_t));
|
||
card->irq = -1;
|
||
|
||
card->pci_dev = dev;
|
||
card->irq = dev->irq;
|
||
card->is_g400 = is_g400;
|
||
|
||
card->param_buff = kmalloc(PARAM_BUFF_SIZE,GFP_KERNEL);
|
||
if(card->param_buff) card->param_buff_size = PARAM_BUFF_SIZE;
|
||
|
||
card->brightness = mga_brightness[card_number];
|
||
card->contrast = mga_contrast[card_number];
|
||
card->top_reserved = mga_top_reserved[card_number];
|
||
|
||
#if LINUX_VERSION_CODE >= 0x020300
|
||
card->mmio_base = ioremap_nocache(dev->resource[1].start,0x4000);
|
||
card->mem_base = dev->resource[0].start;
|
||
#else
|
||
card->mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x4000);
|
||
card->mem_base = dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK;
|
||
#endif
|
||
printk(KERN_INFO "mga_vid: MMIO at 0x%p IRQ: %d framebuffer: 0x%08X\n", card->mmio_base, card->irq, card->mem_base);
|
||
|
||
pci_read_config_dword(dev, 0x40, &card_option);
|
||
printk(KERN_INFO "mga_vid: OPTION word: 0x%08X mem: 0x%02X %s\n", card_option,
|
||
(card_option>>10)&0x17, ((card_option>>14)&1)?"SGRAM":"SDRAM");
|
||
|
||
if (mga_ram_size[card_number]) {
|
||
printk(KERN_INFO "mga_vid: RAMSIZE forced to %d MB\n", mga_ram_size[card_number]);
|
||
card->ram_size=mga_ram_size[card_number];
|
||
} else {
|
||
|
||
#ifdef MGA_MEMORY_SIZE
|
||
card->ram_size = MGA_MEMORY_SIZE;
|
||
printk(KERN_INFO "mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
|
||
|
||
#else
|
||
|
||
if (card->is_g400){
|
||
switch((card_option>>10)&0x17){
|
||
// SDRAM:
|
||
case 0x00:
|
||
case 0x04: card->ram_size = 16; break;
|
||
case 0x03:
|
||
case 0x05: card->ram_size = 32; break;
|
||
// SGRAM:
|
||
case 0x10:
|
||
case 0x14: card->ram_size = 32; break;
|
||
case 0x11:
|
||
case 0x12: card->ram_size = 16; break;
|
||
default:
|
||
card->ram_size = 16;
|
||
printk(KERN_INFO "mga_vid: Couldn't detect RAMSIZE, assuming 16MB!");
|
||
}
|
||
/* Check for buggy 16MB cards reporting 32 MB */
|
||
if(card->ram_size != 16 &&
|
||
(dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM ||
|
||
dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM ||
|
||
dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB))
|
||
{
|
||
printk(KERN_INFO "mga_vid: Detected 16MB card reporting %d MB RAMSIZE, overriding\n", card->ram_size);
|
||
card->ram_size = 16;
|
||
}
|
||
}else{
|
||
switch((card_option>>10)&0x17){
|
||
// case 0x10:
|
||
// case 0x13: card->ram_size = 8; break;
|
||
default: card->ram_size = 8;
|
||
}
|
||
}
|
||
#if 0
|
||
// printk("List resources -----------\n");
|
||
for(temp=0;temp<DEVICE_COUNT_RESOURCE;temp++){
|
||
struct resource *res=&dev->resource[temp];
|
||
if(res->flags){
|
||
int size=(1+res->end-res->start)>>20;
|
||
printk(KERN_DEBUG "res %d: start: 0x%X end: 0x%X (%d MB) flags=0x%X\n",temp,res->start,res->end,size,res->flags);
|
||
if(res->flags&(IORESOURCE_MEM|IORESOURCE_PREFETCH)){
|
||
if(size>card->ram_size && size<=64) card->ram_size=size;
|
||
}
|
||
}
|
||
}
|
||
#endif
|
||
printk(KERN_INFO "mga_vid: detected RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
|
||
#endif
|
||
}
|
||
|
||
|
||
#ifdef MGA_ALLOW_IRQ
|
||
if ( card->irq != -1 ) {
|
||
int tmp = request_irq(card->irq, mga_handle_irq, SA_INTERRUPT | SA_SHIRQ, "Syncfb Time Base", card);
|
||
if ( tmp ) {
|
||
printk(KERN_INFO "syncfb (mga): cannot register irq %d (Err: %d)\n", card->irq, tmp);
|
||
card->irq=-1;
|
||
} else {
|
||
printk(KERN_DEBUG "syncfb (mga): registered irq %d\n", card->irq);
|
||
}
|
||
} else {
|
||
printk(KERN_INFO "syncfb (mga): No valid irq was found\n");
|
||
card->irq=-1;
|
||
}
|
||
#else
|
||
printk(KERN_INFO "syncfb (mga): IRQ disabled in mga_vid.c\n");
|
||
card->irq=-1;
|
||
#endif
|
||
|
||
// register devfs, let the kernel give us major and minor numbers
|
||
#ifdef CONFIG_DEVFS_FS
|
||
snprintf(buffer, 16, "mga_vid%d", card_number);
|
||
card->dev_handle = devfs_register(NULL, buffer, DEVFS_FL_AUTO_DEVNUM,
|
||
0, 0,
|
||
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IFCHR,
|
||
&mga_vid_fops, card);
|
||
#endif
|
||
|
||
}
|
||
|
||
/*
|
||
* Main Initialization Function
|
||
*/
|
||
|
||
static int mga_vid_initialize(void)
|
||
{
|
||
int i;
|
||
|
||
// printk(KERN_INFO "Matrox MGA G200/G400 YUV Video interface v0.01 (c) Aaron Holtzman \n");
|
||
printk(KERN_INFO "Matrox MGA G200/G400/G450/G550 YUV Video interface v2.01 (c) Aaron Holtzman & A'rpi\n");
|
||
|
||
for(i = 0; i < MGA_MAX_CARDS; i++)
|
||
{
|
||
if (mga_ram_size[i]) {
|
||
if (mga_ram_size[i]<4 || mga_ram_size[i]>64) {
|
||
printk(KERN_ERR "mga_vid: invalid RAMSIZE: %d MB\n", mga_ram_size[i]);
|
||
return -EINVAL;
|
||
}
|
||
}
|
||
}
|
||
|
||
if(register_chrdev(major, "mga_vid", &mga_vid_fops))
|
||
{
|
||
printk(KERN_ERR "mga_vid: unable to get major: %d\n", major);
|
||
return -EIO;
|
||
}
|
||
|
||
if (!mga_vid_find_card())
|
||
{
|
||
printk(KERN_ERR "mga_vid: no supported devices found\n");
|
||
unregister_chrdev(major, "mga_vid");
|
||
return -EINVAL;
|
||
}
|
||
#ifdef CONFIG_DEVFS_FS
|
||
else {
|
||
// we assume that this always succeedes
|
||
dev_handle = devfs_register(NULL, "mga_vid", DEVFS_FL_AUTO_DEVNUM,
|
||
0,0,
|
||
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IFCHR,
|
||
&mga_vid_fops, mga_cards[0]);
|
||
}
|
||
#endif
|
||
|
||
return(0);
|
||
}
|
||
|
||
int init_module(void)
|
||
{
|
||
return mga_vid_initialize();
|
||
}
|
||
|
||
void cleanup_module(void)
|
||
{
|
||
int i;
|
||
mga_card_t * card;
|
||
|
||
for (i = 0; i < MGA_MAX_CARDS; i++)
|
||
{
|
||
card = mga_cards[i];
|
||
if(card)
|
||
{
|
||
#ifdef MGA_ALLOW_IRQ
|
||
if (card->irq != -1)
|
||
free_irq(card->irq, &(card->irq));
|
||
#endif
|
||
|
||
if(card->mmio_base)
|
||
iounmap(card->mmio_base);
|
||
if(card->param_buff)
|
||
kfree(card->param_buff);
|
||
#ifdef CONFIG_DEVFS_FS
|
||
if(card->dev_handle) devfs_unregister(card->dev_handle);
|
||
#endif
|
||
|
||
kfree(card);
|
||
mga_cards[i]=NULL;
|
||
}
|
||
}
|
||
|
||
//FIXME turn off BES
|
||
printk(KERN_INFO "mga_vid: Cleaning up module\n");
|
||
#ifdef CONFIG_DEVFS_FS
|
||
if(dev_handle) devfs_unregister(dev_handle);
|
||
#endif
|
||
unregister_chrdev(major, "mga_vid");
|
||
}
|