diff options
Diffstat (limited to 'drivers/mga_vid.c')
| -rw-r--r-- | drivers/mga_vid.c | 1778 |
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 - + (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 |