From cf9587fc048be4e7d8dabb6644eac24e2d736ea3 Mon Sep 17 00:00:00 2001 From: wm4 Date: Sat, 28 Jul 2012 17:37:45 +0200 Subject: 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. --- drivers/mga_vid.c | 1778 ----------------------------------------------------- 1 file changed, 1778 deletions(-) delete mode 100644 drivers/mga_vid.c (limited to 'drivers/mga_vid.c') 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 - * 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 - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10) -#include -#else -#include -#endif - -#include -#include -#include - -#include "mga_vid.h" - -#ifdef CONFIG_MTRR -#include -#endif - -#ifdef CONFIG_DEVFS_FS -#include -#endif - -#include -#include -#include - -#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 "); -#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 - -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 - + (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 söll - 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_GET_VERSION: - tmp = MGA_VID_VERSION; - 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_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(remap_page_range(vma->vm_start, card->mem_base + card->src_base, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - { - 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; - - int minor = MINOR(inode->i_rdev); - - 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;tempresource[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