Add include files to alpha/include directory.

Eventually the i386/include and alpha/include header files for the bktr
driver will be moved to a common directory.

2 files changed, 475 insertions, 0 deletions

diff --git a/sys/alpha/include/ioctl_bt848.h b/sys/alpha/include/ioctl_bt848.h
new file mode 100644
index 0000000..4b6a8fb
--- /dev/null
+++ b/sys/alpha/include/ioctl_bt848.h
@@ -0,0 +1,288 @@
+/*
+ * extensions to ioctl_meteor.h for the bt848 cards
+ *
+ * $FreeBSD$
+ */
+
+#ifndef  _MACHINE_IOCTL_BT848_H_
+#define  _MACHINE_IOCTL_BT848_H_
+
+/*
+ * frequency sets
+ */
+#define CHNLSET_NABCST		1
+#define CHNLSET_CABLEIRC	2
+#define CHNLSET_CABLEHRC	3
+#define CHNLSET_WEUROPE		4
+#define CHNLSET_JPNBCST         5
+#define CHNLSET_JPNCABLE        6
+#define CHNLSET_XUSSR           7
+#define CHNLSET_AUSTRALIA       8
+#define CHNLSET_FRANCE          9
+#define CHNLSET_MIN	        CHNLSET_NABCST
+#define CHNLSET_MAX	        CHNLSET_FRANCE
+
+
+/*
+ * constants for various tuner registers
+ */
+#define BT848_HUEMIN		(-90)
+#define BT848_HUEMAX		90
+#define BT848_HUECENTER		0
+#define BT848_HUERANGE		179.3
+#define BT848_HUEREGMIN		(-128)
+#define BT848_HUEREGMAX		127
+#define BT848_HUESTEPS		256
+
+#define BT848_BRIGHTMIN		(-50)
+#define BT848_BRIGHTMAX		50
+#define BT848_BRIGHTCENTER	0
+#define BT848_BRIGHTRANGE	99.6
+#define BT848_BRIGHTREGMIN	(-128)
+#define BT848_BRIGHTREGMAX	127
+#define BT848_BRIGHTSTEPS	256
+
+#define BT848_CONTRASTMIN	0
+#define BT848_CONTRASTMAX	237
+#define BT848_CONTRASTCENTER	100
+#define BT848_CONTRASTRANGE	236.57
+#define BT848_CONTRASTREGMIN	0
+#define BT848_CONTRASTREGMAX	511
+#define BT848_CONTRASTSTEPS	512
+
+#define BT848_CHROMAMIN		0
+#define BT848_CHROMAMAX		284
+#define BT848_CHROMACENTER	100
+#define BT848_CHROMARANGE	283.89
+#define BT848_CHROMAREGMIN	0
+#define BT848_CHROMAREGMAX	511
+#define BT848_CHROMASTEPS	512
+
+#define BT848_SATUMIN		0
+#define BT848_SATUMAX		202
+#define BT848_SATUCENTER	100
+#define BT848_SATURANGE		201.18
+#define BT848_SATUREGMIN	0
+#define BT848_SATUREGMAX	511
+#define BT848_SATUSTEPS		512
+
+#define BT848_SATVMIN		0
+#define BT848_SATVMAX		284
+#define BT848_SATVCENTER	100
+#define BT848_SATVRANGE		283.89
+#define BT848_SATVREGMIN	0
+#define BT848_SATVREGMAX	511
+#define BT848_SATVSTEPS		512
+
+
+/*
+ * audio stuff
+ */
+#define AUDIO_TUNER		0x00	/* command for the audio routine */
+#define AUDIO_EXTERN		0x01	/* don't confuse them with bit */
+#define AUDIO_INTERN		0x02	/* settings */
+#define AUDIO_MUTE		0x80
+#define AUDIO_UNMUTE		0x81
+
+
+/*
+ * EEProm stuff
+ */
+struct eeProm {
+	short	offset;
+	short	count;
+	u_char	bytes[ 256 ];
+};
+
+
+/*
+ * XXX: this is a hack, should be in ioctl_meteor.h
+ * here to avoid touching that file for now...
+ */
+#define	TVTUNER_SETCHNL    _IOW('x', 32, unsigned int)	/* set channel */
+#define	TVTUNER_GETCHNL    _IOR('x', 32, unsigned int)	/* get channel */
+#define	TVTUNER_SETTYPE    _IOW('x', 33, unsigned int)	/* set tuner type */
+#define	TVTUNER_GETTYPE    _IOR('x', 33, unsigned int)	/* get tuner type */
+#define	TVTUNER_GETSTATUS  _IOR('x', 34, unsigned int)	/* get tuner status */
+#define	TVTUNER_SETFREQ    _IOW('x', 35, unsigned int)	/* set frequency */
+#define	TVTUNER_GETFREQ    _IOR('x', 36, unsigned int)	/* get frequency */
+ 
+
+#define BT848_SHUE	_IOW('x', 37, int)		/* set hue */
+#define BT848_GHUE	_IOR('x', 37, int)		/* get hue */
+#define	BT848_SBRIG	_IOW('x', 38, int)		/* set brightness */
+#define BT848_GBRIG	_IOR('x', 38, int)		/* get brightness */
+#define	BT848_SCSAT	_IOW('x', 39, int)		/* set chroma sat */
+#define BT848_GCSAT	_IOR('x', 39, int)		/* get UV saturation */
+#define	BT848_SCONT	_IOW('x', 40, int)		/* set contrast */
+#define	BT848_GCONT	_IOR('x', 40, int)		/* get contrast */
+#define	BT848_SVSAT	_IOW('x', 41, int)		/* set chroma V sat */
+#define BT848_GVSAT	_IOR('x', 41, int)		/* get V saturation */
+#define	BT848_SUSAT	_IOW('x', 42, int)		/* set chroma U sat */
+#define BT848_GUSAT	_IOR('x', 42, int)		/* get U saturation */
+
+#define	BT848_SCBARS	_IOR('x', 43, int)		/* set colorbar */
+#define	BT848_CCBARS	_IOR('x', 44, int)		/* clear colorbar */
+
+
+#define	BT848_SAUDIO	_IOW('x', 46, int)		/* set audio channel */
+#define BT848_GAUDIO	_IOR('x', 47, int)		/* get audio channel */
+#define	BT848_SBTSC	_IOW('x', 48, int)		/* set audio channel */
+
+#define	BT848_GSTATUS	_IOR('x', 49, unsigned int)	/* reap status */
+
+#define	BT848_WEEPROM	_IOWR('x', 50, struct eeProm)	/* write to EEProm */
+#define	BT848_REEPROM	_IOWR('x', 51, struct eeProm)	/* read from EEProm */
+
+#define	BT848_SIGNATURE	_IOWR('x', 52, struct eeProm)	/* read card sig */
+
+#define	TVTUNER_SETAFC	_IOW('x', 53, int)		/* turn AFC on/off */
+#define TVTUNER_GETAFC	_IOR('x', 54, int)		/* query AFC on/off */
+#define BT848_SLNOTCH	_IOW('x', 55, int)		/* set luma notch */
+#define BT848_GLNOTCH	_IOR('x', 56, int)		/* get luma notch */
+
+/* Read/Write the BT848's I2C bus directly
+ * b7-b0:    data (read/write)
+ * b15-b8:   internal peripheral register (write)   
+ * b23-b16:  i2c addr (write)
+ * b31-b24:  1 = write, 0 = read 
+ */
+#define BT848_I2CWR     _IOWR('x', 57, u_long)    /* i2c read-write */
+
+/* Support for radio tuner */
+#define RADIO_SETMODE	 _IOW('x', 58, unsigned int)  /* set radio modes */
+#define RADIO_GETMODE	 _IOR('x', 58, unsigned char)  /* get radio modes */
+#define   RADIO_AFC	 0x01		/* These modes will probably not */
+#define   RADIO_MONO	 0x02		/*  work on the FRxxxx. It does	 */
+#define   RADIO_MUTE	 0x08		/*  work on the FMxxxx.	*/
+#define RADIO_SETFREQ    _IOW('x', 59, unsigned int)  /* set frequency   */
+#define RADIO_GETFREQ    _IOR('x', 59, unsigned int)  /* set frequency   */
+ /*        Argument is frequency*100MHz  */
+
+/*
+ * XXX: more bad magic,
+ *      we need to fix the METEORGINPUT to return something public
+ *      duplicate them here for now...
+ */
+#define	METEOR_DEV0		0x00001000
+#define	METEOR_DEV1		0x00002000
+#define	METEOR_DEV2		0x00004000
+#define	METEOR_DEV3		0x00008000
+#define	METEOR_DEV_SVIDEO	0x00006000
+/*
+ * right now I don't know were to put these, but as they are suppose to be
+ * a part of a common video capture interface, these should be relocated to
+ * another place.  Probably most of the METEOR_xxx defines need to be
+ * renamed and moved to a common header
+ */
+
+typedef enum { METEOR_PIXTYPE_RGB, METEOR_PIXTYPE_YUV,
+	       METEOR_PIXTYPE_YUV_PACKED,
+	       METEOR_PIXTYPE_YUV_12 } METEOR_PIXTYPE;
+
+
+struct meteor_pixfmt {
+	u_int          index;         /* Index in supported pixfmt list     */
+	METEOR_PIXTYPE type;          /* What's the board gonna feed us     */
+	u_int          Bpp;           /* Bytes per pixel                    */
+	u_long         masks[3];      /* R,G,B or Y,U,V masks, respectively */
+	unsigned       swap_bytes :1; /* Bytes  swapped within shorts       */
+	unsigned       swap_shorts:1; /* Shorts swapped within longs        */
+};
+
+
+struct bktr_clip {
+    int          x_min;
+    int          x_max;
+    int          y_min;
+    int          y_max;
+};
+
+#define BT848_MAX_CLIP_NODE 100
+struct _bktr_clip {
+    struct bktr_clip x[BT848_MAX_CLIP_NODE];
+};
+
+/*
+ * I'm using METEOR_xxx just because that will be common to other interface
+ * and less of a surprise
+ */
+#define METEORSACTPIXFMT	_IOW('x', 64, int )
+#define METEORGACTPIXFMT	_IOR('x', 64, int )
+#define METEORGSUPPIXFMT	_IOWR('x', 65, struct meteor_pixfmt)
+
+/* set clip list */
+#define BT848SCLIP     _IOW('x', 66, struct _bktr_clip )
+#define BT848GCLIP     _IOR('x', 66, struct _bktr_clip )
+
+
+/* set input format */
+#define BT848SFMT		_IOW('x', 67, unsigned long )
+#define BT848GFMT		_IOR('x', 67, unsigned long )
+
+/* set clear-buffer-on-start */
+#define BT848SCBUF	_IOW('x', 68, int)
+#define BT848GCBUF	_IOR('x', 68, int)
+
+/* set capture area */
+/* The capture area is the area of the video image which is grabbed */
+/* Usually the capture area is 640x480 (768x576 PAL) pixels */
+/* This area is then scaled to the dimensions the user requires */
+/* using the METEORGEO ioctl */
+/* However, the capture area could be 400x300 pixels from the top right */
+/* corner of the video image */
+struct bktr_capture_area {
+   int      x_offset;
+   int      y_offset;
+   int      x_size;
+   int      y_size;
+};
+#define BT848_SCAPAREA   _IOW('x', 69, struct bktr_capture_area)
+#define BT848_GCAPAREA   _IOR('x', 69, struct bktr_capture_area)
+
+
+/* Get channel Set */
+#define BT848_MAX_CHNLSET_NAME_LEN 16
+struct bktr_chnlset {
+       short   index;
+       short   max_channel;
+       char    name[BT848_MAX_CHNLSET_NAME_LEN];
+};
+#define	TVTUNER_GETCHNLSET _IOWR('x', 70, struct bktr_chnlset)
+
+
+
+/* Infra Red Remote Control */
+struct bktr_remote {
+       unsigned char data[3];
+};
+#define	REMOTE_GETKEY      _IOR('x', 71, struct bktr_remote)/*read the remote */
+                                                            /*control receiver*/
+                                                            /*returns raw data*/
+
+ 
+/*
+ * Direct access to GPIO pins. You must add BKTR_GPIO_ACCESS to your kernel
+ * configuration file to use these 
+ */
+#define BT848_GPIO_SET_EN      _IOW('x', 72, int)      /* set gpio_out_en */
+#define BT848_GPIO_GET_EN      _IOR('x', 73, int)      /* get gpio_out_en */
+#define BT848_GPIO_SET_DATA    _IOW('x', 74, int)      /* set gpio_data */
+#define BT848_GPIO_GET_DATA    _IOR('x', 75, int)      /* get gpio_data */
+
+
+
+/*  XXX - Copied from /sys/pci/brktree_reg.h  */
+#define BT848_IFORM_FORMAT              (0x7<<0)
+# define BT848_IFORM_F_RSVD             (0x7)
+# define BT848_IFORM_F_SECAM            (0x6)
+# define BT848_IFORM_F_PALN             (0x5)
+# define BT848_IFORM_F_PALM             (0x4)
+# define BT848_IFORM_F_PALBDGHI         (0x3)
+# define BT848_IFORM_F_NTSCJ            (0x2)
+# define BT848_IFORM_F_NTSCM            (0x1)
+# define BT848_IFORM_F_AUTO             (0x0)
+
+
+#endif	/* _MACHINE_IOCTL_BT848_H_ */
+
diff --git a/sys/alpha/include/ioctl_meteor.h b/sys/alpha/include/ioctl_meteor.h
new file mode 100644
index 0000000..f62d392
--- /dev/null
+++ b/sys/alpha/include/ioctl_meteor.h
@@ -0,0 +1,187 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+/*
+ *	ioctl constants for Matrox Meteor Capture card.
+ */
+
+#ifndef	_MACHINE_IOCTL_METEOR_H_
+#define	_MACHINE_IOCTL_METEOR_H_
+
+#ifndef _KERNEL
+#include <sys/types.h>
+#endif
+#include <sys/ioccom.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 */
+} ;
+
+/* structure for getting and setting direct transfers to vram */
+struct meteor_video {
+	u_long	addr;	/* Address of location to dma to */
+	u_long	width;	/* Width of memory area */
+	u_long	banksize;	/* Size of Vram bank */
+	u_long	ramsize;	/* Size of Vram */
+};
+
+#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	METEORSVIDEO _IOW('x', 13, struct meteor_video)	/* set video */
+#define	METEORGVIDEO _IOR('x', 13, struct meteor_video)	/* get video */
+#define	METEORSBRIG  _IOW('x', 14, unsigned char)	/* set brightness */
+#define METEORGBRIG  _IOR('x', 14, unsigned char)	/* get brightness */
+#define	METEORSCSAT  _IOW('x', 15, unsigned char)	/* set chroma sat */
+#define METEORGCSAT  _IOR('x', 15, unsigned char)	/* get uv saturation */
+#define	METEORSCONT  _IOW('x', 16, unsigned char)	/* set contrast */
+#define	METEORGCONT  _IOR('x', 16, unsigned char)	/* get contrast */
+#define METEORSBT254 _IOW('x', 17, unsigned short)	/* set Bt254 reg */
+#define METEORGBT254 _IOR('x', 17, unsigned short)	/* get Bt254 reg */
+#define METEORSHWS   _IOW('x', 18, unsigned char)	/* set hor start reg */
+#define METEORGHWS   _IOR('x', 18, unsigned char)	/* get hor start reg */
+#define METEORSVWS   _IOW('x', 19, unsigned char)	/* set vert start reg */
+#define METEORGVWS   _IOR('x', 19, unsigned char)	/* get vert start reg */
+#define	METEORSTS    _IOW('x', 20, unsigned char)	/* set time stamp */
+#define	METEORGTS    _IOR('x', 20, unsigned char)	/* get time stamp */
+
+#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	/* continuously capture */
+#define METEOR_CAP_STOP_CONT	0x0004	/* stop the continuous 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_INPUT_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_RGB	0x0a000	/* for rgb version of meteor */
+#define METEOR_INPUT_DEV_SVIDEO	0x06000 /* S-video input port */
+
+				/* 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_PLANAR	0x0080000 /* 4-2-2 YUV 16 bits planer */
+#define METEOR_GEO_YUV_PLANER	METEOR_GEO_YUV_PLANAR
+#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_FIELD_MASK	0x3000000
+#define METEOR_GEO_YUV_422	0x4000000 /* 4-2-2 YUV in Y-U-V combined */
+#define METEOR_GEO_OUTPUT_MASK	0x40f0000
+#define METEOR_GEO_YUV_12	0x10000000	/* YUV 12 format */
+#define METEOR_GEO_YUV_9	0x40000000	/* YUV 9 format */
+
+#define	METEOR_FIELD_MODE	0x80000000	/* Field cap or Frame cap */
+
+#define	METEOR_SIG_MODE_MASK	0xffff0000
+#define	METEOR_SIG_FRAME	0x00000000	/* signal every frame */
+#define	METEOR_SIG_FIELD	0x00010000	/* signal every field */
+
+	/* 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 /* !_MACHINE_IOCTL_METEOR_H_ */