[net-next-2.6.git] / include / media / pwc-ioctl.h

#ifndef PWC_IOCTL_H
#define PWC_IOCTL_H

/* (C) 2001-2004 Nemosoft Unv.
   (C) 2004-2006 Luc Saillard (luc@saillard.org)

   NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
   driver and thus may have bugs that are not present in the original version.
   Please send bug reports and support requests to <luc@saillard.org>.
   The decompression routines have been implemented by reverse-engineering the
   Nemosoft binary pwcx module. Caveat emptor.

   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
*/

/* This is pwc-ioctl.h belonging to PWC 10.0.10
   It contains structures and defines to communicate from user space
   directly to the driver.
 */

/*
   Changes
   2001/08/03  Alvarado   Added ioctl constants to access methods for
			  changing white balance and red/blue gains
   2002/12/15  G. H. Fernandez-Toribio   VIDIOCGREALSIZE
   2003/12/13  Nemosft Unv. Some modifications to make interfacing to
	       PWCX easier
   2006/01/01  Luc Saillard Add raw format definition
 */

/* These are private ioctl() commands, specific for the Philips webcams.
   They contain functions not found in other webcams, and settings not
   specified in the Video4Linux API.

   The #define names are built up like follows:
   VIDIOC		VIDeo IOCtl prefix
	 PWC		Philps WebCam
	    G           optional: Get
	    S           optional: Set
	     ... 	the function
 */

#include <linux/types.h>
#include <linux/version.h>

/* Enumeration of image sizes */
#define PSZ_SQCIF	0x00
#define PSZ_QSIF	0x01
#define PSZ_QCIF	0x02
#define PSZ_SIF		0x03
#define PSZ_CIF		0x04
#define PSZ_VGA		0x05
#define PSZ_MAX		6


/* The frame rate is encoded in the video_window.flags parameter using
   the upper 16 bits, since some flags are defined nowadays. The following
   defines provide a mask and shift to filter out this value.
   This value can also be passing using the private flag when using v4l2 and
   VIDIOC_S_FMT ioctl.

   In 'Snapshot' mode the camera freezes its automatic exposure and colour
   balance controls.
 */
#define PWC_FPS_SHIFT		16
#define PWC_FPS_MASK		0x00FF0000
#define PWC_FPS_FRMASK		0x003F0000
#define PWC_FPS_SNAPSHOT	0x00400000
#define PWC_QLT_MASK		0x03000000
#define PWC_QLT_SHIFT		24


/* structure for transferring x & y coordinates */
struct pwc_coord
{
	int x, y;		/* guess what */
	int size;		/* size, or offset */
};


/* Used with VIDIOCPWCPROBE */
struct pwc_probe
{
	char name[32];
	int type;
};

struct pwc_serial
{
	char serial[30];	/* String with serial number. Contains terminating 0 */
};

/* pwc_whitebalance.mode values */
#define PWC_WB_INDOOR		0
#define PWC_WB_OUTDOOR		1
#define PWC_WB_FL		2
#define PWC_WB_MANUAL		3
#define PWC_WB_AUTO		4

/* Used with VIDIOCPWC[SG]AWB (Auto White Balance).
   Set mode to one of the PWC_WB_* values above.
   *red and *blue are the respective gains of these colour components inside
   the camera; range 0..65535
   When 'mode' == PWC_WB_MANUAL, 'manual_red' and 'manual_blue' are set or read;
   otherwise undefined.
   'read_red' and 'read_blue' are read-only.
*/
struct pwc_whitebalance
{
	int mode;
	int manual_red, manual_blue;	/* R/W */
	int read_red, read_blue;	/* R/O */
};

/*
   'control_speed' and 'control_delay' are used in automatic whitebalance mode,
   and tell the camera how fast it should react to changes in lighting, and
   with how much delay. Valid values are 0..65535.
*/
struct pwc_wb_speed
{
	int control_speed;
	int control_delay;

};

/* Used with VIDIOCPWC[SG]LED */
struct pwc_leds
{
	int led_on;			/* Led on-time; range = 0..25000 */
	int led_off;			/* Led off-time; range = 0..25000  */
};

/* Image size (used with GREALSIZE) */
struct pwc_imagesize
{
	int width;
	int height;
};

/* Defines and structures for Motorized Pan & Tilt */
#define PWC_MPT_PAN		0x01
#define PWC_MPT_TILT		0x02
#define PWC_MPT_TIMEOUT		0x04 /* for status */

/* Set angles; when absolute != 0, the angle is absolute and the
   driver calculates the relative offset for you. This can only
   be used with VIDIOCPWCSANGLE; VIDIOCPWCGANGLE always returns
   absolute angles.
 */
struct pwc_mpt_angles
{
	int absolute;		/* write-only */
	int pan;		/* degrees * 100 */
	int tilt;		/* degress * 100 */
};

/* Range of angles of the camera, both horizontally and vertically.
 */
struct pwc_mpt_range
{
	int pan_min, pan_max;		/* degrees * 100 */
	int tilt_min, tilt_max;
};

struct pwc_mpt_status
{
	int status;
	int time_pan;
	int time_tilt;
};


/* This is used for out-of-kernel decompression. With it, you can get
   all the necessary information to initialize and use the decompressor
   routines in standalone applications.
 */
struct pwc_video_command
{
	int type;		/* camera type (645, 675, 730, etc.) */
	int release;		/* release number */

	int size;		/* one of PSZ_* */
	int alternate;
	int command_len;	/* length of USB video command */
	unsigned char command_buf[13];	/* Actual USB video command */
	int bandlength;		/* >0 = compressed */
	int frame_size;		/* Size of one (un)compressed frame */
};

/* Flags for PWCX subroutines. Not all modules honour all flags. */
#define PWCX_FLAG_PLANAR	0x0001
#define PWCX_FLAG_BAYER		0x0008


/* IOCTL definitions */

 /* Restore user settings */
#define VIDIOCPWCRUSER		_IO('v', 192)
 /* Save user settings */
#define VIDIOCPWCSUSER		_IO('v', 193)
 /* Restore factory settings */
#define VIDIOCPWCFACTORY	_IO('v', 194)

 /* You can manipulate the compression factor. A compression preference of 0
    means use uncompressed modes when available; 1 is low compression, 2 is
    medium and 3 is high compression preferred. Of course, the higher the
    compression, the lower the bandwidth used but more chance of artefacts
    in the image. The driver automatically chooses a higher compression when
    the preferred mode is not available.
  */
 /* Set preferred compression quality (0 = uncompressed, 3 = highest compression) */
#define VIDIOCPWCSCQUAL		_IOW('v', 195, int)
 /* Get preferred compression quality */
#define VIDIOCPWCGCQUAL		_IOR('v', 195, int)


/* Retrieve serial number of camera */
#define VIDIOCPWCGSERIAL	_IOR('v', 198, struct pwc_serial)

 /* This is a probe function; since so many devices are supported, it
    becomes difficult to include all the names in programs that want to
    check for the enhanced Philips stuff. So in stead, try this PROBE;
    it returns a structure with the original name, and the corresponding
    Philips type.
    To use, fill the structure with zeroes, call PROBE and if that succeeds,
    compare the name with that returned from VIDIOCGCAP; they should be the
    same. If so, you can be assured it is a Philips (OEM) cam and the type
    is valid.
 */
#define VIDIOCPWCPROBE		_IOR('v', 199, struct pwc_probe)

 /* Set AGC (Automatic Gain Control); int < 0 = auto, 0..65535 = fixed */
#define VIDIOCPWCSAGC		_IOW('v', 200, int)
 /* Get AGC; int < 0 = auto; >= 0 = fixed, range 0..65535 */
#define VIDIOCPWCGAGC		_IOR('v', 200, int)
 /* Set shutter speed; int < 0 = auto; >= 0 = fixed, range 0..65535 */
#define VIDIOCPWCSSHUTTER	_IOW('v', 201, int)

 /* Color compensation (Auto White Balance) */
#define VIDIOCPWCSAWB           _IOW('v', 202, struct pwc_whitebalance)
#define VIDIOCPWCGAWB           _IOR('v', 202, struct pwc_whitebalance)

 /* Auto WB speed */
#define VIDIOCPWCSAWBSPEED	_IOW('v', 203, struct pwc_wb_speed)
#define VIDIOCPWCGAWBSPEED	_IOR('v', 203, struct pwc_wb_speed)

 /* LEDs on/off/blink; int range 0..65535 */
#define VIDIOCPWCSLED           _IOW('v', 205, struct pwc_leds)
#define VIDIOCPWCGLED           _IOR('v', 205, struct pwc_leds)

  /* Contour (sharpness); int < 0 = auto, 0..65536 = fixed */
#define VIDIOCPWCSCONTOUR	_IOW('v', 206, int)
#define VIDIOCPWCGCONTOUR	_IOR('v', 206, int)

  /* Backlight compensation; 0 = off, otherwise on */
#define VIDIOCPWCSBACKLIGHT	_IOW('v', 207, int)
#define VIDIOCPWCGBACKLIGHT	_IOR('v', 207, int)

  /* Flickerless mode; = 0 off, otherwise on */
#define VIDIOCPWCSFLICKER	_IOW('v', 208, int)
#define VIDIOCPWCGFLICKER	_IOR('v', 208, int)

  /* Dynamic noise reduction; 0 off, 3 = high noise reduction */
#define VIDIOCPWCSDYNNOISE	_IOW('v', 209, int)
#define VIDIOCPWCGDYNNOISE	_IOR('v', 209, int)

 /* Real image size as used by the camera; tells you whether or not there's a gray border around the image */
#define VIDIOCPWCGREALSIZE	_IOR('v', 210, struct pwc_imagesize)

 /* Motorized pan & tilt functions */
#define VIDIOCPWCMPTRESET	_IOW('v', 211, int)
#define VIDIOCPWCMPTGRANGE	_IOR('v', 211, struct pwc_mpt_range)
#define VIDIOCPWCMPTSANGLE	_IOW('v', 212, struct pwc_mpt_angles)
#define VIDIOCPWCMPTGANGLE	_IOR('v', 212, struct pwc_mpt_angles)
#define VIDIOCPWCMPTSTATUS	_IOR('v', 213, struct pwc_mpt_status)

 /* Get the USB set-video command; needed for initializing libpwcx */
#define VIDIOCPWCGVIDCMD	_IOR('v', 215, struct pwc_video_command)
struct pwc_table_init_buffer {
   int len;
   char *buffer;

};
#define VIDIOCPWCGVIDTABLE	_IOR('v', 216, struct pwc_table_init_buffer)

/*
 * This is private command used when communicating with v4l2.
 * In the future all private ioctl will be remove/replace to
 * use interface offer by v4l2.
 */

#define V4L2_CID_PRIVATE_SAVE_USER       (V4L2_CID_PRIVATE_BASE + 0)
#define V4L2_CID_PRIVATE_RESTORE_USER    (V4L2_CID_PRIVATE_BASE + 1)
#define V4L2_CID_PRIVATE_RESTORE_FACTORY (V4L2_CID_PRIVATE_BASE + 2)
#define V4L2_CID_PRIVATE_COLOUR_MODE     (V4L2_CID_PRIVATE_BASE + 3)
#define V4L2_CID_PRIVATE_AUTOCONTOUR     (V4L2_CID_PRIVATE_BASE + 4)
#define V4L2_CID_PRIVATE_CONTOUR         (V4L2_CID_PRIVATE_BASE + 5)
#define V4L2_CID_PRIVATE_BACKLIGHT       (V4L2_CID_PRIVATE_BASE + 6)
#define V4L2_CID_PRIVATE_FLICKERLESS     (V4L2_CID_PRIVATE_BASE + 7)
#define V4L2_CID_PRIVATE_NOISE_REDUCTION (V4L2_CID_PRIVATE_BASE + 8)

struct pwc_raw_frame {
   __le16 type;		/* type of the webcam */
   __le16 vbandlength;	/* Size of 4lines compressed (used by the decompressor) */
   __u8   cmd[4];	/* the four byte of the command (in case of nala,
			   only the first 3 bytes is filled) */
   __u8   rawframe[0];	/* frame_size = H/4*vbandlength */
} __attribute__ ((packed));


#endif
Commit	Line	Data
2b455db6 LS	1	#ifndef PWC_IOCTL_H
	2	#define PWC_IOCTL_H
	3
	4	/* (C) 2001-2004 Nemosoft Unv.
	5	(C) 2004-2006 Luc Saillard (luc@saillard.org)
	6
	7	NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
	8	driver and thus may have bugs that are not present in the original version.
	9	Please send bug reports and support requests to <luc@saillard.org>.
	10	The decompression routines have been implemented by reverse-engineering the
	11	Nemosoft binary pwcx module. Caveat emptor.
	12
	13	This program is free software; you can redistribute it and/or modify
	14	it under the terms of the GNU General Public License as published by
	15	the Free Software Foundation; either version 2 of the License, or
	16	(at your option) any later version.
	17
	18	This program is distributed in the hope that it will be useful,
	19	but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	21	GNU General Public License for more details.
	22
	23	You should have received a copy of the GNU General Public License
	24	along with this program; if not, write to the Free Software
	25	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	26	*/
	27
	28	/* This is pwc-ioctl.h belonging to PWC 10.0.10
	29	It contains structures and defines to communicate from user space
	30	directly to the driver.
	31	*/
	32
	33	/*
	34	Changes
	35	2001/08/03 Alvarado Added ioctl constants to access methods for
	36	changing white balance and red/blue gains
	37	2002/12/15 G. H. Fernandez-Toribio VIDIOCGREALSIZE
	38	2003/12/13 Nemosft Unv. Some modifications to make interfacing to
	39	PWCX easier
	40	2006/01/01 Luc Saillard Add raw format definition
	41	*/
	42
	43	/* These are private ioctl() commands, specific for the Philips webcams.
	44	They contain functions not found in other webcams, and settings not
	45	specified in the Video4Linux API.
	46
	47	The #define names are built up like follows:
	48	VIDIOC VIDeo IOCtl prefix
	49	PWC Philps WebCam
	50	G optional: Get
	51	S optional: Set
	52	... the function
	53	*/
	54
	55	#include <linux/types.h>
	56	#include <linux/version.h>
	57
f87086e3	58	/* Enumeration of image sizes */
2b455db6 LS	59	#define PSZ_SQCIF 0x00
	60	#define PSZ_QSIF 0x01
	61	#define PSZ_QCIF 0x02
	62	#define PSZ_SIF 0x03
	63	#define PSZ_CIF 0x04
	64	#define PSZ_VGA 0x05
	65	#define PSZ_MAX 6
	66
	67
	68	/* The frame rate is encoded in the video_window.flags parameter using
	69	the upper 16 bits, since some flags are defined nowadays. The following
	70	defines provide a mask and shift to filter out this value.
	71	This value can also be passing using the private flag when using v4l2 and
	72	VIDIOC_S_FMT ioctl.
	73
	74	In 'Snapshot' mode the camera freezes its automatic exposure and colour
	75	balance controls.
	76	*/
	77	#define PWC_FPS_SHIFT 16
	78	#define PWC_FPS_MASK 0x00FF0000
	79	#define PWC_FPS_FRMASK 0x003F0000
	80	#define PWC_FPS_SNAPSHOT 0x00400000
	81	#define PWC_QLT_MASK 0x03000000
	82	#define PWC_QLT_SHIFT 24
	83
	84
	85	/* structure for transferring x & y coordinates */
	86	struct pwc_coord
	87	{
	88	int x, y; /* guess what */
	89	int size; /* size, or offset */
	90	};
	91
	92
	93	/* Used with VIDIOCPWCPROBE */
	94	struct pwc_probe
	95	{
	96	char name[32];
	97	int type;
	98	};
	99
	100	struct pwc_serial
	101	{
	102	char serial[30]; /* String with serial number. Contains terminating 0 */
	103	};
	104
	105	/* pwc_whitebalance.mode values */
	106	#define PWC_WB_INDOOR 0
	107	#define PWC_WB_OUTDOOR 1
	108	#define PWC_WB_FL 2
	109	#define PWC_WB_MANUAL 3
	110	#define PWC_WB_AUTO 4
	111
	112	/* Used with VIDIOCPWC[SG]AWB (Auto White Balance).
	113	Set mode to one of the PWC_WB_* values above.
	114	red and blue are the respective gains of these colour components inside
	115	the camera; range 0..65535
	116	When 'mode' == PWC_WB_MANUAL, 'manual_red' and 'manual_blue' are set or read;
	117	otherwise undefined.
	118	'read_red' and 'read_blue' are read-only.
	119	*/
	120	struct pwc_whitebalance
	121	{
	122	int mode;
123	int manual_red, manual_blue; /* R/W */
124	int read_red, read_blue; /* R/O */
125	};
126
127	/*
128	'control_speed' and 'control_delay' are used in automatic whitebalance mode,
129	and tell the camera how fast it should react to changes in lighting, and
130	with how much delay. Valid values are 0..65535.
131	*/
132	struct pwc_wb_speed
133	{
134	int control_speed;
135	int control_delay;
136
137	};
138
139	/* Used with VIDIOCPWC[SG]LED */
140	struct pwc_leds
141	{
142	int led_on; /* Led on-time; range = 0..25000 */
143	int led_off; /* Led off-time; range = 0..25000 */
144	};
145
146	/* Image size (used with GREALSIZE) */
147	struct pwc_imagesize
148	{
149	int width;
150	int height;
151	};
152
153	/* Defines and structures for Motorized Pan & Tilt */
154	#define PWC_MPT_PAN 0x01
155	#define PWC_MPT_TILT 0x02
156	#define PWC_MPT_TIMEOUT 0x04 /* for status */
157
158	/* Set angles; when absolute != 0, the angle is absolute and the
159	driver calculates the relative offset for you. This can only
160	be used with VIDIOCPWCSANGLE; VIDIOCPWCGANGLE always returns
161	absolute angles.
162	*/
163	struct pwc_mpt_angles
164	{
165	int absolute; /* write-only */
166	int pan; /* degrees * 100 */
167	int tilt; /* degress * 100 */
168	};
169
170	/* Range of angles of the camera, both horizontally and vertically.
171	*/
172	struct pwc_mpt_range
173	{
174	int pan_min, pan_max; /* degrees * 100 */
175	int tilt_min, tilt_max;
176	};
177
178	struct pwc_mpt_status
179	{
180	int status;
181	int time_pan;
182	int time_tilt;
183	};
184
185
186	/* This is used for out-of-kernel decompression. With it, you can get
187	all the necessary information to initialize and use the decompressor
188	routines in standalone applications.
189	*/
190	struct pwc_video_command
191	{
192	int type; /* camera type (645, 675, 730, etc.) */
193	int release; /* release number */
194
195	int size; /* one of PSZ_* */
196	int alternate;
197	int command_len; /* length of USB video command */
198	unsigned char command_buf[13]; /* Actual USB video command */
199	int bandlength; /* >0 = compressed */
200	int frame_size; /* Size of one (un)compressed frame */
201	};
202
203	/* Flags for PWCX subroutines. Not all modules honour all flags. */
204	#define PWCX_FLAG_PLANAR 0x0001
205	#define PWCX_FLAG_BAYER 0x0008
206
207
208	/* IOCTL definitions */
209
210	/* Restore user settings */
211	#define VIDIOCPWCRUSER _IO('v', 192)
212	/* Save user settings */
213	#define VIDIOCPWCSUSER _IO('v', 193)
214	/* Restore factory settings */
215	#define VIDIOCPWCFACTORY _IO('v', 194)
216
217	/* You can manipulate the compression factor. A compression preference of 0
218	means use uncompressed modes when available; 1 is low compression, 2 is
219	medium and 3 is high compression preferred. Of course, the higher the
220	compression, the lower the bandwidth used but more chance of artefacts
221	in the image. The driver automatically chooses a higher compression when
222	the preferred mode is not available.
223	*/
224	/* Set preferred compression quality (0 = uncompressed, 3 = highest compression) */
225	#define VIDIOCPWCSCQUAL _IOW('v', 195, int)
226	/* Get preferred compression quality */
227	#define VIDIOCPWCGCQUAL _IOR('v', 195, int)
228
229
230	/* Retrieve serial number of camera */
231	#define VIDIOCPWCGSERIAL _IOR('v', 198, struct pwc_serial)
232
233	/* This is a probe function; since so many devices are supported, it
234	becomes difficult to include all the names in programs that want to
235	check for the enhanced Philips stuff. So in stead, try this PROBE;
236	it returns a structure with the original name, and the corresponding
237	Philips type.
238	To use, fill the structure with zeroes, call PROBE and if that succeeds,
239	compare the name with that returned from VIDIOCGCAP; they should be the
240	same. If so, you can be assured it is a Philips (OEM) cam and the type
241	is valid.
242	*/
243	#define VIDIOCPWCPROBE _IOR('v', 199, struct pwc_probe)
244
245	/* Set AGC (Automatic Gain Control); int < 0 = auto, 0..65535 = fixed */
246	#define VIDIOCPWCSAGC _IOW('v', 200, int)
247	/* Get AGC; int < 0 = auto; >= 0 = fixed, range 0..65535 */
248	#define VIDIOCPWCGAGC _IOR('v', 200, int)
249	/* Set shutter speed; int < 0 = auto; >= 0 = fixed, range 0..65535 */
250	#define VIDIOCPWCSSHUTTER _IOW('v', 201, int)
251
252	/* Color compensation (Auto White Balance) */
253	#define VIDIOCPWCSAWB _IOW('v', 202, struct pwc_whitebalance)
254	#define VIDIOCPWCGAWB _IOR('v', 202, struct pwc_whitebalance)
255
256	/* Auto WB speed */
257	#define VIDIOCPWCSAWBSPEED _IOW('v', 203, struct pwc_wb_speed)
258	#define VIDIOCPWCGAWBSPEED _IOR('v', 203, struct pwc_wb_speed)
259
260	/* LEDs on/off/blink; int range 0..65535 */
261	#define VIDIOCPWCSLED _IOW('v', 205, struct pwc_leds)
262	#define VIDIOCPWCGLED _IOR('v', 205, struct pwc_leds)
263
264	/* Contour (sharpness); int < 0 = auto, 0..65536 = fixed */
265	#define VIDIOCPWCSCONTOUR _IOW('v', 206, int)
266	#define VIDIOCPWCGCONTOUR _IOR('v', 206, int)
267
268	/* Backlight compensation; 0 = off, otherwise on */
269	#define VIDIOCPWCSBACKLIGHT _IOW('v', 207, int)
270	#define VIDIOCPWCGBACKLIGHT _IOR('v', 207, int)
271
272	/* Flickerless mode; = 0 off, otherwise on */
273	#define VIDIOCPWCSFLICKER _IOW('v', 208, int)
274	#define VIDIOCPWCGFLICKER _IOR('v', 208, int)
275
276	/* Dynamic noise reduction; 0 off, 3 = high noise reduction */
277	#define VIDIOCPWCSDYNNOISE _IOW('v', 209, int)
278	#define VIDIOCPWCGDYNNOISE _IOR('v', 209, int)
279
280	/* Real image size as used by the camera; tells you whether or not there's a gray border around the image */
281	#define VIDIOCPWCGREALSIZE _IOR('v', 210, struct pwc_imagesize)
282
283	/* Motorized pan & tilt functions */
284	#define VIDIOCPWCMPTRESET _IOW('v', 211, int)
285	#define VIDIOCPWCMPTGRANGE _IOR('v', 211, struct pwc_mpt_range)
286	#define VIDIOCPWCMPTSANGLE _IOW('v', 212, struct pwc_mpt_angles)
287	#define VIDIOCPWCMPTGANGLE _IOR('v', 212, struct pwc_mpt_angles)
288	#define VIDIOCPWCMPTSTATUS _IOR('v', 213, struct pwc_mpt_status)
289
290	/* Get the USB set-video command; needed for initializing libpwcx */
291	#define VIDIOCPWCGVIDCMD _IOR('v', 215, struct pwc_video_command)
292	struct pwc_table_init_buffer {
293	int len;
294	char *buffer;
295
296	};
297	#define VIDIOCPWCGVIDTABLE _IOR('v', 216, struct pwc_table_init_buffer)
298
299	/*
300	* This is private command used when communicating with v4l2.
301	* In the future all private ioctl will be remove/replace to
302	* use interface offer by v4l2.
303	*/
304
305	#define V4L2_CID_PRIVATE_SAVE_USER (V4L2_CID_PRIVATE_BASE + 0)
306	#define V4L2_CID_PRIVATE_RESTORE_USER (V4L2_CID_PRIVATE_BASE + 1)
307	#define V4L2_CID_PRIVATE_RESTORE_FACTORY (V4L2_CID_PRIVATE_BASE + 2)
308	#define V4L2_CID_PRIVATE_COLOUR_MODE (V4L2_CID_PRIVATE_BASE + 3)
309	#define V4L2_CID_PRIVATE_AUTOCONTOUR (V4L2_CID_PRIVATE_BASE + 4)
310	#define V4L2_CID_PRIVATE_CONTOUR (V4L2_CID_PRIVATE_BASE + 5)
311	#define V4L2_CID_PRIVATE_BACKLIGHT (V4L2_CID_PRIVATE_BASE + 6)
312	#define V4L2_CID_PRIVATE_FLICKERLESS (V4L2_CID_PRIVATE_BASE + 7)
313	#define V4L2_CID_PRIVATE_NOISE_REDUCTION (V4L2_CID_PRIVATE_BASE + 8)
314
315	struct pwc_raw_frame {
316	__le16 type; /* type of the webcam */
317	__le16 vbandlength; /* Size of 4lines compressed (used by the decompressor) */
318	__u8 cmd[4]; /* the four byte of the command (in case of nala,
319	only the first 3 bytes is filled) */
320	__u8 rawframe[0]; /* frame_size = H/4vbandlength /
321	} __attribute__ ((packed));
322
323
324	#endif