ioctl_meteor.h

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/*
 * Copyright (c) 1995 Mark Tinguely and Jim Lowe
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Mark Tinguely and Jim Lowe
 * 4. The name of the author may not be used to endorse or promote products 
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*
 *	ioctl constants for Matrox Meteor Capture card.
 */

#ifndef _MACHINE_IOCTL_METEOR_H
#define _MACHINE_IOCTL_METEOR_H

#include <sys/ioctl.h>

struct meteor_capframe {
	short	command;	/* see below for valid METEORCAPFRM commands */
	short	lowat;		/* start transfer if < this number */
	short	hiwat;		/* stop transfer if > this number */
} ;

/* structure for METEOR[GS]ETGEO - get/set geometry  */
struct meteor_geomet {
	u_short		rows;
	u_short		columns;
	u_short		frames;
	u_long		oformat;
} ;

/* structure for METEORGCOUNT-get count of frames, fifo errors and dma errors */
struct meteor_counts {
	u_long fifo_errors;	/* count of fifo errors since open */
	u_long dma_errors;	/* count of dma errors since open */
	u_long frames_captured;	/* count of frames captured since open */
	u_long even_fields_captured; /* count of even fields captured */
	u_long odd_fields_captured; /* count of odd fields captured */
} ;

#define METEORCAPTUR _IOW('x', 1, int)			 /* capture a frame */
#define METEORCAPFRM _IOW('x', 2, struct meteor_capframe)  /* sync capture */
#define METEORSETGEO _IOW('x', 3, struct meteor_geomet)  /* set geometry */
#define METEORGETGEO _IOR('x', 4, struct meteor_geomet)  /* get geometry */
#define METEORSTATUS _IOR('x', 5, unsigned short)	/* get status */
#define METEORSHUE   _IOW('x', 6, signed char)		/* set hue */
#define METEORGHUE   _IOR('x', 6, signed char)		/* get hue */
#define METEORSFMT   _IOW('x', 7, unsigned long)	/* set format */
#define METEORGFMT   _IOR('x', 7, unsigned long)	/* get format */
#define METEORSINPUT _IOW('x', 8, unsigned long)	/* set input dev */
#define METEORGINPUT _IOR('x', 8, unsigned long)	/* get input dev */
#define	METEORSCHCV  _IOW('x', 9, unsigned char)	/* set uv gain */
#define	METEORGCHCV  _IOR('x', 9, unsigned char)	/* get uv gain */
#define	METEORSCOUNT _IOW('x',10, struct meteor_counts)
#define	METEORGCOUNT _IOR('x',10, struct meteor_counts)
#define METEORSFPS   _IOW('x',11, unsigned short)	/* set fps */
#define METEORGFPS   _IOR('x',11, unsigned short)	/* get fps */
#define METEORSSIGNAL _IOW('x', 12, unsigned int)	/* set signal */
#define METEORGSIGNAL _IOR('x', 12, unsigned int)	/* get signal */

#define	METEOR_STATUS_ID_MASK	0xf000	/* ID of 7196 */
#define	METEOR_STATUS_DIR	0x0800	/* Direction of Expansion port YUV */
#define	METEOR_STATUS_OEF	0x0200	/* Field detected: Even/Odd */
#define	METEOR_STATUS_SVP	0x0100	/* State of VRAM Port:inactive/active */
#define	METEOR_STATUS_STTC	0x0080	/* Time Constant: TV/VCR */
#define	METEOR_STATUS_HCLK	0x0040	/* Horiz PLL: locked/unlocked */
#define	METEOR_STATUS_FIDT	0x0020	/* Field detect: 50/60hz */
#define	METEOR_STATUS_ALTD	0x0002	/* Line alt: no line alt/line alt */
#define METEOR_STATUS_CODE	0x0001	/* Colour info: no colour/colour */

				/* METEORCAPTUR capture options */
#define METEOR_CAP_SINGLE	0x0001	/* capture one frame */
#define METEOR_CAP_CONTINOUS	0x0002	/* contiuously capture */
#define METEOR_CAP_STOP_CONT	0x0004	/* stop the continous capture */

				/* METEORCAPFRM capture commands */
#define METEOR_CAP_N_FRAMES	0x0001	/* capture N frames */
#define METEOR_CAP_STOP_FRAMES	0x0002	/* stop capture N frames */
#define	METEOR_HALT_N_FRAMES	0x0003	/* halt of capture N frames */
#define METEOR_CONT_N_FRAMES	0x0004	/* continue after above halt */

				/* valid video input formats:  */
#define METEOR_FMT_NTSC		0x00100	/* NTSC --  initialized default */
#define METEOR_FMT_PAL		0x00200	/* PAL */
#define METEOR_FMT_SECAM	0x00400	/* SECAM */
#define METEOR_FMT_AUTOMODE	0x00800 /* auto-mode */
#define METEOR_INPUT_DEV0	0x01000	/* camera input 0 -- default */
#define METEOR_INPUT_DEV_RCA	METEOR_GEO_DEV0
#define METEOR_INPUT_DEV1	0x02000	/* camera input 1 */
#define METEOR_INPUT_DEV2	0x04000	/* camera input 2 */
#define METEOR_INPUT_DEV3	0x08000	/* camera input 3 */
#define METEOR_INPUT_DEV_SVIDEO	METEOR_GEO_DEV3

				/* valid video output formats:  */
#define METEOR_GEO_RGB16	0x0010000 /* packed -- initialized default */
#define METEOR_GEO_RGB24	0x0020000 /* RBG 24 bits packed */
					  /* internally stored in 32 bits */
#define METEOR_GEO_YUV_PACKED	0x0040000 /* 4-2-2 YUV 16 bits packed */
#define METEOR_GEO_YUV_PLANER	0x0080000 /* 4-2-2 YUV 16 bits planer */
#define METEOR_GEO_UNSIGNED	0x0400000 /* unsigned uv outputs */
#define METEOR_GEO_EVEN_ONLY	0x1000000 /* set for even only field capture */
#define METEOR_GEO_ODD_ONLY	0x2000000 /* set for odd only field capture */
#define METEOR_GEO_YUV_422	0x4000000 /* 4-2-2 YUV in Y-U-V combined */
#define METEOR_GEO_OUTPUT_MASK	0x40f0000
#define METEOR_GEO_FIELD_MASK	0x3000000

	/* following structure is used to coordinate the synchronous */
	   
struct meteor_mem {
		/* kernel write only  */
	int	frame_size;	 /* row*columns*depth */
	unsigned num_bufs;	 /* number of frames in buffer (1-32) */
		/* user and kernel change these */
	int	lowat;		 /* kernel starts capture if < this number */
	int	hiwat;		 /* kernel stops capture if > this number.
				    hiwat <= numbufs */
	unsigned active;	 /* bit mask of active frame buffers
				    kernel sets, user clears */
	int	num_active_bufs; /* count of active frame buffer
				    kernel increments, user decrements */

		/* reference to mmapped data */
	caddr_t	buf;		 /* The real space (virtual addr) */
} ;

#endif /* ifndef _MACHINE_IOCTL_METEOR_H */