mgavideo.h
上传用户：aoeyumen
上传日期：2007-01-06
资源大小：3329k
文件大小：8k
- /*
- * Video Capture Driver ( Video for Linux 1/2 )
- * for the Matrox Marvel G200 and Rainbow Runner-G series
- *
- * This module is an interface to the G100 and G200 video extension
- * registers.
- *
- * Copyright (C) 1999 Ryan Drake <stiletto@mediaone.net>
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #ifndef MGAVIDEO_H
- #define MGAVIDEO_H
- #ifdef __KERNEL__
- #include <linux/i2c.h>
- /* video registers */
- #define VINCTL0 0x3e00
- #define VINCTL1 0x3e04
- #define VBIADDR0 0x3e08
- #define VBIADDR1 0x3e0c
- #define VINADDR0 0x3e10
- #define VINADDR1 0x3e14
- #define VINNEXTWIN 0x3e18
- #define VINCTL 0x3e1c
- #define VSTATUS 0x3e30
- #define VICLEAR 0x3e34
- #define VIEN 0x3e38
- /* CODEC registers */
- #define CODECCTL 0x3e40
- #define CODECMISCCTL 0x3e43
- #define CODECADDR 0x3e44
- #define CODECHOSTPTR 0x3e48
- #define CODECHARDPTR 0x3e4c
- #define CODECLCODE 0x3e50
- #define RST 0x1e40 /* not a codec register, but it helps though... */
- /* Backend scaler registers */
- #define BESA1ORG 0x3d00
- #define BESA2ORG 0x3d04
- #define BESB1ORG 0x3d08
- #define BESB2ORG 0x3d0c
- #define BESA1CORG 0x3d10
- #define BESA2CORG 0x3d14
- #define BESB1CORG 0x3d18
- #define BESB2CORG 0x3d1c
- #define BESCTL 0x3d20
- #define BESPITCH 0x3d24
- #define BESHCOORD 0x3d28
- #define BESVCOORD 0x3d2c
- #define BESHISCAL 0x3d30
- #define BESVISCAL 0x3d34
- #define BESHSRCST 0x3d38
- #define BESHSRCEND 0x3d3c
- #define BESV1WGHT 0x3d48
- #define BESV2WGHT 0x3d4c
- #define BESHSRCLST 0x3d50
- #define BESV1SRCLST 0x3d54
- #define BESV2SRCLST 0x3d58
- #define BESGLOBCTL 0x3dc0
- #define BESSTATUS 0x3dc4
- #define VINCTLx_MASK 0x00000fff
- #define VBIADDRx_MASK 0x00fffE00
- #define VINADDRx_MASK 0x00fffE00
- /* mga video status */
- #define VI_IVSYNC 0x0001 /* input vsync interrupt */
- #define VI_CMDCMPL 0x0002 /* command complete interrupt */
- #define VI_BLVL 0x0004 /* buffer level interrupt */
- #define VI_EOI 0x0008 /* codec end of image interrupt */
- #define VS_FIELD 0x0100 /* field 0 or 1 detected */
- #define VS_VIDEO 0x0200 /* indicates video was captured */
- #define VS_RAWVBI 0x0400 /* indicates raw vbi was captured */
- #define VS_SLICEDVBI 0x0800 /* indicates sliced vbi was captured */
- #define VI_IVSYNC 0x0001 /* input vsync interrupt */
- #define VI_CMDCMPL 0x0002 /* command complete interrupt */
- #define VI_BLVL 0x0004 /* buffer level interrupt */
- #define VI_EOI 0x0008 /* codec end of image interrupt */
- #define VS_STALLED 0x1000 /* codec stalled after transfer stopped */
- #define VC_CODECEN 0x0001 /* enable codec interface */
- #define VC_MODE 0x0002 /* codec mode VMI/I33 */
- #define VC_TRIG 0x0004 /* codec command trigger */
- #define VC_DATAIN 0x0008 /* Decompress/Compress */
- #define VC_VMIMODE 0x0010 /* VMI mode A/B */
- #define VC_STOP 0x0020 /* Stop after current field */
- #define VC_TRANSEN 0x0040 /* enable transfer to/from frame buffer */
- #define VIN_OFF 0x0
- #define VIN_ON 0x1
- #define VBI_OFF 0x0
- #define VBI_RAW 0x2
- #define VBI_SLICED 0x6
- /* video attributes - these should probably be configurable on the fly
- * so users with different desktop sizes can keep
- * captured data off the desktop
- */
- #define _VINWID 704
- #define _VINHGT _VINHGT_NTSC
- #define _VINHGT_NTSC 240
- #define _VINHGT_PAL 290
- #define _VIN_WINDOW (704 * 291 * 2)
- #define _VBI_WINDOW (704 * 64 * 2)
- #define _VIN_FIELD_EVEN 1
- #define _VIN_FIELD_ODD 2
- #define _VIN_FIELD_BOTH 4
- /****************************************************************************
- * mga_dev : represents one mga board. since we can be dealing with multiple
- * boards, all entry points to this module must specify a board
- ****************************************************************************/
- struct codec {
- int codec_id;
- int memory_size;
- void *private;
- int state;
- int (*codec_read_register)(struct codec *codec, void *buffer,int location, int size);
- int (*codec_write_register)(struct codec *codec, void *buffer,int location, int size);
- int (*codec_read_memory)(struct codec *codec, void *buffer,int location, int size);
- int (*codec_write_memory)(struct codec *codec, void *buffer,int location, int size);
- int (*codec_reset)(struct codec *codec);
- int (*codec_start)(struct codec *codec);
- };
- #define ZR36060_ID 1
- struct mga_dev
- {
- struct i2c_bus i2c;
- u8* fb;
- u8* ctrl;
- int inuse;
- char name[16];
- /* Device info from pci */
- u32 device;
- int irq;
- /* caps */
- int hasaudio;
- int hastuner;
- int hasdecoder;
- /* status of the video grabber */
- u32 status;
- u32 locked;
- u32 field_wanted; /* even, odd, interlaced */
- /* registered bottom half of isr */
- struct tq_struct tqnode_dpc;
- int req_even;
- int req_odd;
- int irq_status;
- u32 vin_field;
- /* address for even and odd frames */
- u32 vin_addr0;
- u32 vbi_addr0;
- u32 vin_addr1;
- u32 vbi_addr1;
- u32 vinpitch;
- u8 *interface_base;
- u8 *command_base;
- u8 *read_base;
- u32 host_interface_base;
- u32 codec_offset;
- u32 codecctl_shadow;
- u32 codecmisc_shadow;
- /* codec interface (dbarth: to be deleted) */
- u32 codecaddr;
- u32 codeccmd;
- u32 codecdata;
- #ifdef BYTEORDERHACK
- int little_endian_codec; /* codec byte order */
- #endif
- /* statistics */
- int grabbed;
- #ifdef NEVER
- struct zr36060 zr;
- #endif
- struct codec zr36060;
- struct codec zr36700;
- };
- struct mga_dev;
- /* component device control */
- void mgavideo_tuner( struct mga_dev* mga, unsigned int cmd, void* arg );
- void mgavideo_audio( struct mga_dev* mga, unsigned int cmd, void* arg );
- void mgavideo_decoder( struct mga_dev* mga, unsigned int cmd, void* arg );
- void mgavideo_zr36060_reset(struct mga_dev* mga);
- #define MGAVIDEO_HAS_TUNER 1
- #define MGAVIDEO_HAS_AUDIO 2
- #define MGAVIDEO_HAS_DECODER 4
- int mgavideo_querycaps( struct mga_dev* mga );
- /* get pointer to currently grabbed video */
- u8* mgavideo_lock_video( struct mga_dev* mga );
- void mgavideo_unlock_video( struct mga_dev* mga );
- /* video interrupt control */
- void mgavideo_ivsync_enable( struct mga_dev* mga, int en );
- void mgavideo_register_bh( struct mga_dev* mga, int req_even, int req_odd,
- void(*routine)(void*), void* data );
- void mgavideo_set_dims(struct mga_dev *mga, int x, int y);
- /* video preview */
- void* mgavideo_get_base( struct mga_dev* mga );
- void mgavideo_set_window( struct mga_dev* mga, int x, int y, int w, int h );
- void mgavideo_set_colorkey( struct mga_dev* mga, int r, int g, int b );
- void mgavideo_set_overlay( struct mga_dev* mga );
- void mgavideo_preview_enable( struct mga_dev* mga, int en );
-
- /* find next mga adapter */
- struct mga_dev* mgavideo_get( void );
- struct mga_dev* mgavideo_get_codec( void );
- /* release a mga adapter that is not needed anymore */
- void mgavideo_release( struct mga_dev* mga );
- /* Codec Interface */
- void codec_reset(struct mga_dev *mga);
- void codec_exec(struct mga_dev *mga);
- void codec_miscctl(struct mga_dev *mga, u8 data1, u8 data2);
- int codec_miscctl_func1(struct mga_dev *mga, u8 param);
- int codec_I34_reset(struct mga_dev *mga);
- void codec_read(struct mga_dev *mga, u8 reg);
- void codec_write(struct mga_dev *mga, u8 reg, u16 data);
- u16 codec_getw(struct mga_dev *mga);
- void dump_codec_cmdbuffer(struct mga_dev *mga);
- void mga_extrst(struct mga_dev *mga, u8 activate);
- #endif /* __KERNEL__ */
- #endif /* MGAVIDEO_H */
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