drivers/media/video/stv680.h - maze/linux - Git at Google

 /****************************************************************************
  *
  *  Filename: stv680.h
  *
  *  Description:
  *     This is a USB driver for STV0680 based usb video cameras.
  *
  *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  ****************************************************************************/

 /* size of usb transfers */
 #define STV680_PACKETSIZE	4096

 /* number of queued bulk transfers to use, may have problems if > 1 */
 #define STV680_NUMSBUF		1

 /* number of frames supported by the v4l part */
 #define STV680_NUMFRAMES	2

 /* scratch buffers for passing data to the decoders: 2 or 4 are good */
 #define STV680_NUMSCRATCH	2

 /* number of nul sized packets to receive before kicking the camera */
 #define STV680_MAX_NULLPACKETS	200

 /* number of decoding errors before kicking the camera */
 #define STV680_MAX_ERRORS	100

 #define USB_PENCAM_VENDOR_ID	0x0553
 #define USB_PENCAM_PRODUCT_ID	0x0202

 #define USB_CREATIVEGOMINI_VENDOR_ID	0x041e
 #define USB_CREATIVEGOMINI_PRODUCT_ID	0x4007

 #define PENCAM_TIMEOUT          1000
 /* fmt 4 */
 #define STV_VIDEO_PALETTE       VIDEO_PALETTE_RGB24

 static struct usb_device_id device_table[] = {
 	{USB_DEVICE (USB_PENCAM_VENDOR_ID, USB_PENCAM_PRODUCT_ID)},
 	{USB_DEVICE (USB_CREATIVEGOMINI_VENDOR_ID, USB_CREATIVEGOMINI_PRODUCT_ID)},
 	{}
 };
 MODULE_DEVICE_TABLE (usb, device_table);

 struct stv680_sbuf {
 	unsigned char *data;
 };

 enum {
 	FRAME_UNUSED,		/* Unused (no MCAPTURE) */
 	FRAME_READY,		/* Ready to start grabbing */
 	FRAME_GRABBING,		/* In the process of being grabbed into */
 	FRAME_DONE,		/* Finished grabbing, but not been synced yet */
 	FRAME_ERROR,		/* Something bad happened while processing */
 };

 enum {
 	BUFFER_UNUSED,
 	BUFFER_READY,
 	BUFFER_BUSY,
 	BUFFER_DONE,
 };

 /* raw camera data <- sbuf (urb transfer buf) */
 struct stv680_scratch {
 	unsigned char *data;
 	volatile int state;
 	int offset;
 	int length;
 };

 /* processed data for display ends up here, after bayer */
 struct stv680_frame {
 	unsigned char *data;	/* Frame buffer */
 	volatile int grabstate;	/* State of grabbing */
 	unsigned char *curline;
 	int curlinepix;
 	int curpix;
 };

 /* this is almost the video structure uvd_t, with extra parameters for stv */
 struct usb_stv {
 	struct video_device *vdev;

 	struct usb_device *udev;

 	unsigned char bulk_in_endpointAddr;	/* __u8  the address of the bulk in endpoint */
 	char *camera_name;

 	unsigned int VideoMode;	/* 0x0100 = VGA, 0x0000 = CIF, 0x0300 = QVGA */
 	int SupportedModes;
 	int CIF;
 	int VGA;
 	int QVGA;
 	int cwidth;		/* camera width */
 	int cheight;		/* camera height */
 	int maxwidth;		/* max video width */
 	int maxheight;		/* max video height */
 	int vwidth;		/* current width for video window */
 	int vheight;		/* current height for video window */
 	unsigned long int rawbufsize;
 	unsigned long int maxframesize;	/* rawbufsize * 3 for RGB */

 	int origGain;
 	int origMode;		/* original camera mode */

 	struct mutex lock;	/* to lock the structure */
 	int user;		/* user count for exclusive use */
 	int removed;		/* device disconnected */
 	int streaming;		/* Are we streaming video? */
 	char *fbuf;		/* Videodev buffer area */
 	struct urb *urb[STV680_NUMSBUF];	/* # of queued bulk transfers */
 	int curframe;		/* Current receiving frame */
 	struct stv680_frame frame[STV680_NUMFRAMES];	/* # frames supported by v4l part */
 	int readcount;
 	int framecount;
 	int error;
 	int dropped;
 	int scratch_next;
 	int scratch_use;
 	int scratch_overflow;
 	struct stv680_scratch scratch[STV680_NUMSCRATCH];	/* for decoders */
 	struct stv680_sbuf sbuf[STV680_NUMSBUF];

 	unsigned int brightness;
 	unsigned int chgbright;
 	unsigned int whiteness;
 	unsigned int colour;
 	unsigned int contrast;
 	unsigned int hue;
 	unsigned int palette;
 	unsigned int depth;	/* rgb24 in bits */

 	wait_queue_head_t wq;	/* Processes waiting */

 	int nullpackets;
 };


 static const unsigned char red[256] = {
 	0, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
 	18, 18, 18, 18, 18, 18, 18, 25, 30, 35, 38, 42,
 	44, 47, 50, 53, 54, 57, 59, 61, 63, 65, 67, 69,
 	71, 71, 73, 75, 77, 78, 80, 81, 82, 84, 85, 87,
 	88, 89, 90, 91, 93, 94, 95, 97, 98, 98, 99, 101,
 	102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
 	114, 115, 116, 116, 117, 118, 119, 120, 121, 122, 123, 124,
 	125, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134,
 	134, 135, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143,
 	143, 143, 144, 145, 146, 147, 147, 148, 149, 150, 150, 151,
 	152, 152, 152, 153, 154, 154, 155, 156, 157, 157, 158, 159,
 	159, 160, 161, 161, 161, 162, 163, 163, 164, 165, 165, 166,
 	167, 167, 168, 168, 169, 170, 170, 170, 171, 171, 172, 173,
 	173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 179, 179,
 	180, 180, 181, 181, 182, 183, 183, 184, 184, 185, 185, 186,
 	187, 187, 188, 188, 188, 188, 189, 190, 190, 191, 191, 192,
 	192, 193, 193, 194, 195, 195, 196, 196, 197, 197, 197, 197,
 	198, 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204,
 	204, 205, 205, 206, 206, 206, 206, 207, 207, 208, 208, 209,
 	209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215,
 	215, 215, 215, 216, 216, 217, 217, 218, 218, 218, 219, 219,
 	220, 220, 221, 221
 };

 static const unsigned char green[256] = {
 	0, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 	21, 21, 21, 21, 21, 21, 21, 28, 34, 39, 43, 47,
 	50, 53, 56, 59, 61, 64, 66, 68, 71, 73, 75, 77,
 	79, 80, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97,
 	98, 100, 101, 102, 104, 105, 106, 108, 109, 110, 111, 113,
 	114, 115, 116, 117, 118, 120, 121, 122, 123, 124, 125, 126,
 	127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
 	139, 140, 141, 142, 143, 144, 144, 145, 146, 147, 148, 149,
 	150, 151, 151, 152, 153, 154, 155, 156, 156, 157, 158, 159,
 	160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168,
 	169, 170, 170, 171, 172, 172, 173, 174, 175, 175, 176, 177,
 	177, 178, 179, 179, 180, 181, 182, 182, 183, 184, 184, 185,
 	186, 186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193,
 	193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200,
 	201, 201, 202, 202, 203, 204, 204, 205, 205, 206, 206, 207,
 	208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214,
 	214, 215, 215, 216, 217, 217, 218, 218, 219, 219, 220, 220,
 	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
 	227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
 	233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
 	239, 240, 240, 241, 241, 242, 242, 243, 243, 243, 244, 244,
 	245, 245, 246, 246
 };

 static const unsigned char blue[256] = {
 	0, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
 	23, 23, 23, 23, 23, 23, 23, 30, 37, 42, 47, 51,
 	55, 58, 61, 64, 67, 70, 72, 74, 78, 80, 82, 84,
 	86, 88, 90, 92, 94, 95, 97, 100, 101, 103, 104, 106,
 	107, 110, 111, 112, 114, 115, 116, 118, 119, 121, 122, 124,
 	125, 126, 127, 128, 129, 132, 133, 134, 135, 136, 137, 138,
 	139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151,
 	152, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163,
 	165, 166, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174,
 	176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184,
 	185, 187, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194,
 	194, 195, 196, 196, 198, 199, 200, 200, 201, 202, 202, 203,
 	204, 204, 205, 205, 206, 207, 207, 209, 210, 210, 211, 212,
 	212, 213, 213, 214, 215, 215, 216, 217, 217, 218, 218, 220,
 	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
 	228, 228, 229, 229, 231, 231, 232, 233, 233, 234, 234, 235,
 	235, 236, 236, 237, 238, 238, 239, 239, 240, 240, 242, 242,
 	243, 243, 244, 244, 245, 246, 246, 247, 247, 248, 248, 249,
 	249, 250, 250, 251, 251, 253, 253, 254, 254, 255, 255, 255,
 	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
 	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
 	255, 255, 255, 255
 };
	/****************************************************************************
	*
	* Filename: stv680.h
	*
	* Description:
	* This is a USB driver for STV0680 based usb video cameras.
	*
	* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
	*
	****************************************************************************/

	/* size of usb transfers */
	#define STV680_PACKETSIZE 4096

	/* number of queued bulk transfers to use, may have problems if > 1 */
	#define STV680_NUMSBUF 1

	/* number of frames supported by the v4l part */
	#define STV680_NUMFRAMES 2

	/* scratch buffers for passing data to the decoders: 2 or 4 are good */
	#define STV680_NUMSCRATCH 2

	/* number of nul sized packets to receive before kicking the camera */
	#define STV680_MAX_NULLPACKETS 200

	/* number of decoding errors before kicking the camera */
	#define STV680_MAX_ERRORS 100

	#define USB_PENCAM_VENDOR_ID 0x0553
	#define USB_PENCAM_PRODUCT_ID 0x0202

	#define USB_CREATIVEGOMINI_VENDOR_ID 0x041e
	#define USB_CREATIVEGOMINI_PRODUCT_ID 0x4007

	#define PENCAM_TIMEOUT 1000
	/* fmt 4 */
	#define STV_VIDEO_PALETTE VIDEO_PALETTE_RGB24

	static struct usb_device_id device_table[] = {
	{USB_DEVICE (USB_PENCAM_VENDOR_ID, USB_PENCAM_PRODUCT_ID)},
	{USB_DEVICE (USB_CREATIVEGOMINI_VENDOR_ID, USB_CREATIVEGOMINI_PRODUCT_ID)},
	{}
	};
	MODULE_DEVICE_TABLE (usb, device_table);

	struct stv680_sbuf {
	unsigned char *data;
	};

	enum {
	FRAME_UNUSED, /* Unused (no MCAPTURE) */
	FRAME_READY, /* Ready to start grabbing */
	FRAME_GRABBING, /* In the process of being grabbed into */
	FRAME_DONE, /* Finished grabbing, but not been synced yet */
	FRAME_ERROR, /* Something bad happened while processing */
	};

	enum {
	BUFFER_UNUSED,
	BUFFER_READY,
	BUFFER_BUSY,
	BUFFER_DONE,
	};

	/* raw camera data <- sbuf (urb transfer buf) */
	struct stv680_scratch {
	unsigned char *data;
	volatile int state;
	int offset;
	int length;
	};

	/* processed data for display ends up here, after bayer */
	struct stv680_frame {
	unsigned char data; / Frame buffer */
	volatile int grabstate; /* State of grabbing */
	unsigned char *curline;
	int curlinepix;
	int curpix;
	};

	/* this is almost the video structure uvd_t, with extra parameters for stv */
	struct usb_stv {
	struct video_device *vdev;

	struct usb_device *udev;

	unsigned char bulk_in_endpointAddr; /* __u8 the address of the bulk in endpoint */
	char *camera_name;

	unsigned int VideoMode; /* 0x0100 = VGA, 0x0000 = CIF, 0x0300 = QVGA */
	int SupportedModes;
	int CIF;
	int VGA;
	int QVGA;
	int cwidth; /* camera width */
	int cheight; /* camera height */
	int maxwidth; /* max video width */
	int maxheight; /* max video height */
	int vwidth; /* current width for video window */
	int vheight; /* current height for video window */
	unsigned long int rawbufsize;
	unsigned long int maxframesize; /* rawbufsize * 3 for RGB */

	int origGain;
	int origMode; /* original camera mode */

	struct mutex lock; /* to lock the structure */
	int user; /* user count for exclusive use */
	int removed; /* device disconnected */
	int streaming; /* Are we streaming video? */
	char fbuf; / Videodev buffer area */
	struct urb urb[STV680_NUMSBUF]; / # of queued bulk transfers */
	int curframe; /* Current receiving frame */
	struct stv680_frame frame[STV680_NUMFRAMES]; /* # frames supported by v4l part */
	int readcount;
	int framecount;
	int error;
	int dropped;
	int scratch_next;
	int scratch_use;
	int scratch_overflow;
	struct stv680_scratch scratch[STV680_NUMSCRATCH]; /* for decoders */
	struct stv680_sbuf sbuf[STV680_NUMSBUF];

	unsigned int brightness;
	unsigned int chgbright;
	unsigned int whiteness;
	unsigned int colour;
	unsigned int contrast;
	unsigned int hue;
	unsigned int palette;
	unsigned int depth; /* rgb24 in bits */

	wait_queue_head_t wq; /* Processes waiting */

	int nullpackets;
	};


	static const unsigned char red[256] = {
	0, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
	18, 18, 18, 18, 18, 18, 18, 25, 30, 35, 38, 42,
	44, 47, 50, 53, 54, 57, 59, 61, 63, 65, 67, 69,
	71, 71, 73, 75, 77, 78, 80, 81, 82, 84, 85, 87,
	88, 89, 90, 91, 93, 94, 95, 97, 98, 98, 99, 101,
	102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
	114, 115, 116, 116, 117, 118, 119, 120, 121, 122, 123, 124,
	125, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134,
	134, 135, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143,
	143, 143, 144, 145, 146, 147, 147, 148, 149, 150, 150, 151,
	152, 152, 152, 153, 154, 154, 155, 156, 157, 157, 158, 159,
	159, 160, 161, 161, 161, 162, 163, 163, 164, 165, 165, 166,
	167, 167, 168, 168, 169, 170, 170, 170, 171, 171, 172, 173,
	173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 179, 179,
	180, 180, 181, 181, 182, 183, 183, 184, 184, 185, 185, 186,
	187, 187, 188, 188, 188, 188, 189, 190, 190, 191, 191, 192,
	192, 193, 193, 194, 195, 195, 196, 196, 197, 197, 197, 197,
	198, 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204,
	204, 205, 205, 206, 206, 206, 206, 207, 207, 208, 208, 209,
	209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215,
	215, 215, 215, 216, 216, 217, 217, 218, 218, 218, 219, 219,
	220, 220, 221, 221
	};

	static const unsigned char green[256] = {
	0, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
	21, 21, 21, 21, 21, 21, 21, 28, 34, 39, 43, 47,
	50, 53, 56, 59, 61, 64, 66, 68, 71, 73, 75, 77,
	79, 80, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97,
	98, 100, 101, 102, 104, 105, 106, 108, 109, 110, 111, 113,
	114, 115, 116, 117, 118, 120, 121, 122, 123, 124, 125, 126,
	127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
	139, 140, 141, 142, 143, 144, 144, 145, 146, 147, 148, 149,
	150, 151, 151, 152, 153, 154, 155, 156, 156, 157, 158, 159,
	160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168,
	169, 170, 170, 171, 172, 172, 173, 174, 175, 175, 176, 177,
	177, 178, 179, 179, 180, 181, 182, 182, 183, 184, 184, 185,
	186, 186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193,
	193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200,
	201, 201, 202, 202, 203, 204, 204, 205, 205, 206, 206, 207,
	208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214,
	214, 215, 215, 216, 217, 217, 218, 218, 219, 219, 220, 220,
	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
	227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
	233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
	239, 240, 240, 241, 241, 242, 242, 243, 243, 243, 244, 244,
	245, 245, 246, 246
	};

	static const unsigned char blue[256] = {
	0, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
	23, 23, 23, 23, 23, 23, 23, 30, 37, 42, 47, 51,
	55, 58, 61, 64, 67, 70, 72, 74, 78, 80, 82, 84,
	86, 88, 90, 92, 94, 95, 97, 100, 101, 103, 104, 106,
	107, 110, 111, 112, 114, 115, 116, 118, 119, 121, 122, 124,
	125, 126, 127, 128, 129, 132, 133, 134, 135, 136, 137, 138,
	139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151,
	152, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163,
	165, 166, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174,
	176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184,
	185, 187, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194,
	194, 195, 196, 196, 198, 199, 200, 200, 201, 202, 202, 203,
	204, 204, 205, 205, 206, 207, 207, 209, 210, 210, 211, 212,
	212, 213, 213, 214, 215, 215, 216, 217, 217, 218, 218, 220,
	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
	228, 228, 229, 229, 231, 231, 232, 233, 233, 234, 234, 235,
	235, 236, 236, 237, 238, 238, 239, 239, 240, 240, 242, 242,
	243, 243, 244, 244, 245, 246, 246, 247, 247, 248, 248, 249,
	249, 250, 250, 251, 251, 253, 253, 254, 254, 255, 255, 255,
	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
	255, 255, 255, 255
	};