Remove ancient kernel device drivers

These were device driver kernel modules for certain prehistoric graphic
cards. The source code indicates these are written against early
2.4 kernels.

1 files changed, 0 insertions, 1778 deletions

diff --git a/drivers/mga_vid.c b/drivers/mga_vid.c
deleted file mode 100644
index de96aa1b0a..0000000000
--- a/drivers/mga_vid.c
+++ /dev/null
@@ -1,1778 +0,0 @@
-/*
- * Matrox MGA G200/G400 YUV Video Interface module Version 0.1.0
- * BES == Back End Scaler
- *
- * Copyright (C) 1999 Aaron Holtzman
- *
- * Module skeleton based on gutted agpgart module by
- * Jeff Hartmann <slicer@ionet.net>
- * YUY2 support (see config.format) added by A'rpi/ESP-team
- * double buffering added by A'rpi/ESP-team
- * brightness/contrast introduced by eyck
- * multiple card support by Attila Kinali <attila@kinali.ch>
- *
- * This file is part of mga_vid.
- *
- * mga_vid is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * mga_vid is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with mga_vid; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-//It's entirely possible this major conflicts with something else
-//use the 'major' parameter to override the default major number (178)
-/* mknod /dev/mga_vid c 178 0 */
-
-//#define CRTC2
-
-// Set this value, if autodetection fails! (video ram size in megabytes)
-// #define MGA_MEMORY_SIZE 16
-
-//#define MGA_ALLOW_IRQ
-
-#define MGA_VSYNC_POS 2
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10)
-#include <linux/malloc.h>
-#else
-#include <linux/slab.h>
-#endif
-
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-
-#include "mga_vid.h"
-
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
-#ifdef CONFIG_DEVFS_FS
-#include <linux/devfs_fs_kernel.h>
-#endif
-
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/io.h>
-
-#define TRUE 1
-#define FALSE 0
-
-#define DEFAULT_MGA_VID_MAJOR 178
-
-#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
-#define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520
-#endif
-
-#ifndef PCI_DEVICE_ID_MATROX_G200_AGP
-#define PCI_DEVICE_ID_MATROX_G200_AGP 0x0521
-#endif
-
-#ifndef PCI_DEVICE_ID_MATROX_G400
-#define PCI_DEVICE_ID_MATROX_G400 0x0525
-#endif
-
-#ifndef PCI_DEVICE_ID_MATROX_G550
-#define PCI_DEVICE_ID_MATROX_G550 0x2527
-#endif
-
-#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB
-#define PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB 0x2159
-#endif
-
-#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM
-#define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM 0x19d8
-#endif
-
-#ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM
-#define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM 0x0328
-#endif
-
-MODULE_AUTHOR("Aaron Holtzman <aholtzma@engr.uvic.ca>");
-#ifdef MODULE_LICENSE
-MODULE_LICENSE("GPL");
-#endif
-
-#define PARAM_BRIGHTNESS "brightness="
-#define PARAM_CONTRAST "contrast="
-#define PARAM_BLACKIE "blackie="
-
-// set PARAM_BUFF_SIZE to just below 4k because some kernel versions
-// store additional information in the memory page which leads to
-// the allocation of an additional page if exactly 4k is used
-#define PARAM_BUFF_SIZE 4000
-
-#ifndef min
-#define min(x,y) (((x)<(y))?(x):(y))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
-#include <linux/ctype.h>
-
-static unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
-{
-    unsigned long result = 0,value;
-
-    if (!base) {
-        base = 10;
-        if (*cp == '0') {
-            base = 8;
-            cp++;
-            if ((*cp == 'x') && isxdigit(cp[1])) {
-                cp++;
-                base = 16;
-            }
-        }
-    }
-    while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
-                                                               ? toupper(*cp) : *cp)-'A'+10) < base) {
-        result = result*base + value;
-        cp++;
-    }
-    if (endp)
-        *endp = (char *)cp;
-    return result;
-}
-
-static long simple_strtol(const char *cp,char **endp,unsigned int base)
-{
-    if(*cp=='-')
-        return -simple_strtoul(cp+1,endp,base);
-    return simple_strtoul(cp,endp,base);
-}
-#endif
-
-
-typedef struct bes_registers_s
-{
-    //BES Control
-    uint32_t besctl;
-    //BES Global control
-    uint32_t besglobctl;
-    //Luma control (brightness and contrast)
-    uint32_t beslumactl;
-    //Line pitch
-    uint32_t bespitch;
-
-    //Buffer A-1 Chroma 3 plane org
-    uint32_t besa1c3org;
-    //Buffer A-1 Chroma org
-    uint32_t besa1corg;
-    //Buffer A-1 Luma org
-    uint32_t besa1org;
-
-    //Buffer A-2 Chroma 3 plane org
-    uint32_t besa2c3org;
-    //Buffer A-2 Chroma org
-    uint32_t besa2corg;
-    //Buffer A-2 Luma org
-    uint32_t besa2org;
-
-    //Buffer B-1 Chroma 3 plane org
-    uint32_t besb1c3org;
-    //Buffer B-1 Chroma org
-    uint32_t besb1corg;
-    //Buffer B-1 Luma org
-    uint32_t besb1org;
-
-    //Buffer B-2 Chroma 3 plane org
-    uint32_t besb2c3org;
-    //Buffer B-2 Chroma org
-    uint32_t besb2corg;
-    //Buffer B-2 Luma org
-    uint32_t besb2org;
-
-    //BES Horizontal coord
-    uint32_t beshcoord;
-    //BES Horizontal inverse scaling [5.14]
-    uint32_t beshiscal;
-    //BES Horizontal source start [10.14] (for scaling)
-    uint32_t beshsrcst;
-    //BES Horizontal source ending [10.14] (for scaling)
-    uint32_t beshsrcend;
-    //BES Horizontal source last
-    uint32_t beshsrclst;
-
-
-    //BES Vertical coord
-    uint32_t besvcoord;
-    //BES Vertical inverse scaling [5.14]
-    uint32_t besviscal;
-    //BES Field 1 vertical source last position
-    uint32_t besv1srclst;
-    //BES Field 1 weight start
-    uint32_t besv1wght;
-    //BES Field 2 vertical source last position
-    uint32_t besv2srclst;
-    //BES Field 2 weight start
-    uint32_t besv2wght;
-
-
-    //configurable stuff
-    int blackie;
-
-} bes_registers_t;
-
-#ifdef CRTC2
-typedef struct crtc2_registers_s
-{
-    uint32_t c2ctl;
-    uint32_t c2datactl;
-    uint32_t c2misc;
-    uint32_t c2hparam;
-    uint32_t c2hsync;
-    uint32_t c2offset;
-    uint32_t c2pl2startadd0;
-    uint32_t c2pl2startadd1;
-    uint32_t c2pl3startadd0;
-    uint32_t c2pl3startadd1;
-    uint32_t c2preload;
-    uint32_t c2spicstartadd0;
-    uint32_t c2spicstartadd1;
-    uint32_t c2startadd0;
-    uint32_t c2startadd1;
-    uint32_t c2subpiclut;
-    uint32_t c2vcount;
-    uint32_t c2vparam;
-    uint32_t c2vsync;
-} crtc2_registers_t;
-#endif
-
-
-
-
-
-//All register offsets are converted to word aligned offsets (32 bit)
-//because we want all our register accesses to be 32 bits
-#define VCOUNT      0x1e20
-
-#define PALWTADD      0x3c00 // Index register for X_DATAREG port
-#define X_DATAREG     0x3c0a
-
-#define XMULCTRL      0x19
-#define BPP_8         0x00
-#define BPP_15        0x01
-#define BPP_16        0x02
-#define BPP_24        0x03
-#define BPP_32_DIR    0x04
-#define BPP_32_PAL    0x07
-
-#define XCOLMSK       0x40
-#define X_COLKEY      0x42
-#define XKEYOPMODE    0x51
-#define XCOLMSK0RED   0x52
-#define XCOLMSK0GREEN 0x53
-#define XCOLMSK0BLUE  0x54
-#define XCOLKEY0RED   0x55
-#define XCOLKEY0GREEN 0x56
-#define XCOLKEY0BLUE  0x57
-
-#ifdef CRTC2
-
-/*CRTC2 registers*/
-#define XMISCCTRL  0x1e
-#define C2CTL       0x3c10
-#define C2DATACTL   0x3c4c
-#define C2MISC      0x3c44
-#define C2HPARAM    0x3c14
-#define C2HSYNC     0x3c18
-#define C2OFFSET    0x3c40
-#define C2PL2STARTADD0 0x3c30  // like BESA1CORG
-#define C2PL2STARTADD1 0x3c34  // like BESA2CORG
-#define C2PL3STARTADD0 0x3c38  // like BESA1C3ORG
-#define C2PL3STARTADD1 0x3c3c  // like BESA2C3ORG
-#define C2PRELOAD   0x3c24
-#define C2SPICSTARTADD0 0x3c54
-#define C2SPICSTARTADD1 0x3c58
-#define C2STARTADD0 0x3c28  // like BESA1ORG
-#define C2STARTADD1 0x3c2c  // like BESA2ORG
-#define C2SUBPICLUT 0x3c50
-#define C2VCOUNT    0x3c48
-#define C2VPARAM    0x3c1c
-#define C2VSYNC     0x3c20
-
-#endif
-
-// Backend Scaler registers
-#define BESCTL      0x3d20
-#define BESGLOBCTL  0x3dc0
-#define BESLUMACTL  0x3d40
-#define BESPITCH    0x3d24
-
-#define BESA1C3ORG  0x3d60
-#define BESA1CORG   0x3d10
-#define BESA1ORG    0x3d00
-
-#define BESA2C3ORG  0x3d64
-#define BESA2CORG   0x3d14
-#define BESA2ORG    0x3d04
-
-#define BESB1C3ORG  0x3d68
-#define BESB1CORG   0x3d18
-#define BESB1ORG    0x3d08
-
-#define BESB2C3ORG  0x3d6C
-#define BESB2CORG   0x3d1C
-#define BESB2ORG    0x3d0C
-
-#define BESHCOORD   0x3d28
-#define BESHISCAL   0x3d30
-#define BESHSRCEND  0x3d3C
-#define BESHSRCLST  0x3d50
-#define BESHSRCST   0x3d38
-#define BESV1WGHT   0x3d48
-#define BESV2WGHT   0x3d4c
-#define BESV1SRCLST 0x3d54
-#define BESV2SRCLST 0x3d58
-#define BESVISCAL   0x3d34
-#define BESVCOORD   0x3d2c
-#define BESSTATUS   0x3dc4
-
-#define CRTCX       0x1fd4
-#define CRTCD       0x1fd5
-#define IEN         0x1e1c
-#define ICLEAR      0x1e18
-#define STATUS      0x1e14
-
-
-// global devfs handle for /dev/mga_vid
-#ifdef CONFIG_DEVFS_FS
-static devfs_handle_t dev_handle = NULL;
-#endif
-
-// card local config
-typedef struct mga_card_s {
-
-// local devfs handle for /dev/mga_vidX
-#ifdef CONFIG_DEVFS_FS
-    devfs_handle_t dev_handle;
-#endif
-
-    uint8_t *param_buff; // buffer for read()
-    uint32_t param_buff_size;
-    uint32_t param_buff_len;
-    bes_registers_t regs;
-#ifdef CRTC2
-    crtc2_registers_t cregs;
-#endif
-    uint32_t vid_in_use;
-    uint32_t is_g400;
-    uint32_t vid_src_ready;
-    uint32_t vid_overlay_on;
-
-    uint8_t *mmio_base;
-    uint32_t mem_base;
-    int src_base;   // YUV buffer position in video memory
-    uint32_t ram_size;      // how much megabytes videoram we have
-    uint32_t top_reserved;  // reserved space for console font (matroxfb + fastfont)
-
-    int brightness; // initial brightness
-    int contrast;   // initial contrast
-
-    struct pci_dev *pci_dev;
-
-    mga_vid_config_t config;
-    int configured; // set to 1 when the card is configured over ioctl
-
-    int colkey_saved;
-    int colkey_on;
-    unsigned char colkey_color[4];
-    unsigned char colkey_mask[4];
-
-    int irq; // = -1
-    int next_frame;
-} mga_card_t;
-
-#define MGA_MAX_CARDS 16
-// this is used as init value for the parameter arrays
-// it should have exactly MGA_MAX_CARDS elements
-#define MGA_MAX_CARDS_INIT_ARRAY {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
-static unsigned int mga_cards_num=0;
-static mga_card_t * mga_cards[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-
-// module parameters
-static int major = DEFAULT_MGA_VID_MAJOR;
-static int mga_ram_size[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-static int mga_brightness[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-static int mga_contrast[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-static int mga_top_reserved[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-
-MODULE_PARM(mga_ram_size, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
-MODULE_PARM(mga_top_reserved, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
-MODULE_PARM(mga_brightness, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
-MODULE_PARM(mga_contrast, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
-MODULE_PARM(major, "i");
-
-#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
-                            +