324 lines
10 KiB
C
324 lines
10 KiB
C
#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>
|
|
|
|
/* 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
|