[mirror_ubuntu-artful-kernel.git] / drivers / media / video / usbvision / usbvision.h

/*
 * USBVISION.H
 *  usbvision header file
 *
 * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
 *                         Dwaine Garden <dwainegarden@rogers.com>
 *
 *
 * Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
 *
 * This module is part of usbvision driver project.
 * Updates to driver completed by Dwaine P. Garden
 * v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
 *
 * 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.
 */


#ifndef __LINUX_USBVISION_H
#define __LINUX_USBVISION_H

#include <linux/list.h>
#include <linux/usb.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>
#include <linux/videodev2.h>

#define USBVISION_DEBUG		/* Turn on debug messages */

#ifndef VID_HARDWARE_USBVISION
	#define VID_HARDWARE_USBVISION 34   /* USBVision Video Grabber */
#endif

#define USBVISION_PWR_REG		0x00
	#define USBVISION_SSPND_EN		(1 << 1)
	#define USBVISION_RES2			(1 << 2)
	#define USBVISION_PWR_VID		(1 << 5)
	#define USBVISION_E2_EN			(1 << 7)
#define USBVISION_CONFIG_REG		0x01
#define USBVISION_ADRS_REG		0x02
#define USBVISION_ALTER_REG		0x03
#define USBVISION_FORCE_ALTER_REG	0x04
#define USBVISION_STATUS_REG		0x05
#define USBVISION_IOPIN_REG		0x06
	#define USBVISION_IO_1			(1 << 0)
	#define USBVISION_IO_2			(1 << 1)
	#define USBVISION_AUDIO_IN		0
	#define USBVISION_AUDIO_TV		1
	#define USBVISION_AUDIO_RADIO		2
	#define USBVISION_AUDIO_MUTE		3
#define USBVISION_SER_MODE		0x07
#define USBVISION_SER_ADRS		0x08
#define USBVISION_SER_CONT		0x09
#define USBVISION_SER_DAT1		0x0A
#define USBVISION_SER_DAT2		0x0B
#define USBVISION_SER_DAT3		0x0C
#define USBVISION_SER_DAT4		0x0D
#define USBVISION_EE_DATA		0x0E
#define USBVISION_EE_LSBAD		0x0F
#define USBVISION_EE_CONT		0x10
#define USBVISION_DRM_CONT			0x12
	#define USBVISION_REF			(1 << 0)
	#define USBVISION_RES_UR		(1 << 2)
	#define USBVISION_RES_FDL		(1 << 3)
	#define USBVISION_RES_VDW		(1 << 4)
#define USBVISION_DRM_PRM1		0x13
#define USBVISION_DRM_PRM2		0x14
#define USBVISION_DRM_PRM3		0x15
#define USBVISION_DRM_PRM4		0x16
#define USBVISION_DRM_PRM5		0x17
#define USBVISION_DRM_PRM6		0x18
#define USBVISION_DRM_PRM7		0x19
#define USBVISION_DRM_PRM8		0x1A
#define USBVISION_VIN_REG1		0x1B
	#define USBVISION_8_422_SYNC		0x01
	#define USBVISION_16_422_SYNC		0x02
	#define USBVISION_VSNC_POL		(1 << 3)
	#define USBVISION_HSNC_POL		(1 << 4)
	#define USBVISION_FID_POL		(1 << 5)
	#define USBVISION_HVALID_PO		(1 << 6)
	#define USBVISION_VCLK_POL		(1 << 7)
#define USBVISION_VIN_REG2		0x1C
	#define USBVISION_AUTO_FID		(1 << 0)
	#define USBVISION_NONE_INTER		(1 << 1)
	#define USBVISION_NOHVALID		(1 << 2)
	#define USBVISION_UV_ID			(1 << 3)
	#define USBVISION_FIX_2C		(1 << 4)
	#define USBVISION_SEND_FID		(1 << 5)
	#define USBVISION_KEEP_BLANK		(1 << 7)
#define USBVISION_LXSIZE_I		0x1D
#define USBVISION_MXSIZE_I		0x1E
#define USBVISION_LYSIZE_I		0x1F
#define USBVISION_MYSIZE_I		0x20
#define USBVISION_LX_OFFST		0x21
#define USBVISION_MX_OFFST		0x22
#define USBVISION_LY_OFFST		0x23
#define USBVISION_MY_OFFST		0x24
#define USBVISION_FRM_RATE		0x25
#define USBVISION_LXSIZE_O		0x26
#define USBVISION_MXSIZE_O		0x27
#define USBVISION_LYSIZE_O		0x28
#define USBVISION_MYSIZE_O		0x29
#define USBVISION_FILT_CONT		0x2A
#define USBVISION_VO_MODE		0x2B
#define USBVISION_INTRA_CYC		0x2C
#define USBVISION_STRIP_SZ		0x2D
#define USBVISION_FORCE_INTRA		0x2E
#define USBVISION_FORCE_UP		0x2F
#define USBVISION_BUF_THR		0x30
#define USBVISION_DVI_YUV		0x31
#define USBVISION_AUDIO_CONT		0x32
#define USBVISION_AUD_PK_LEN		0x33
#define USBVISION_BLK_PK_LEN		0x34
#define USBVISION_PCM_THR1		0x38
#define USBVISION_PCM_THR2		0x39
#define USBVISION_DIST_THR_L		0x3A
#define USBVISION_DIST_THR_H		0x3B
#define USBVISION_MAX_DIST_L		0x3C
#define USBVISION_MAX_DIST_H		0x3D
#define USBVISION_OP_CODE		0x33

#define MAX_BYTES_PER_PIXEL		4

#define MIN_FRAME_WIDTH			64
#define MAX_USB_WIDTH			320  //384
#define MAX_FRAME_WIDTH			320  //384			/*streching sometimes causes crashes*/

#define MIN_FRAME_HEIGHT		48
#define MAX_USB_HEIGHT			240  //288
#define MAX_FRAME_HEIGHT		240  //288			/*Streching sometimes causes crashes*/

#define MAX_FRAME_SIZE     		(MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
#define USBVISION_CLIPMASK_SIZE		(MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask

#define USBVISION_URB_FRAMES		32
#define USBVISION_MAX_ISOC_PACKET_SIZE 	959			// NT1003 Specs Document says 1023

#define USBVISION_NUM_HEADERMARKER	20
#define USBVISION_NUMFRAMES		3  /* Maximum number of frames an application can get */
#define USBVISION_NUMSBUF		2 /* Dimensioning the USB S buffering */

#define USBVISION_POWEROFF_TIME		3 * (HZ)		// 3 seconds


#define FRAMERATE_MIN	0
#define FRAMERATE_MAX	31

enum {
	ISOC_MODE_YUV422 = 0x03,
	ISOC_MODE_YUV420 = 0x14,
	ISOC_MODE_COMPRESS = 0x60,
};

/* This macro restricts an int variable to an inclusive range */
#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }

/*
 * We use macros to do YUV -> RGB conversion because this is
 * very important for speed and totally unimportant for size.
 *
 * YUV -> RGB Conversion
 * ---------------------
 *
 * B = 1.164*(Y-16)		    + 2.018*(V-128)
 * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
 * R = 1.164*(Y-16) + 1.596*(U-128)
 *
 * If you fancy integer arithmetics (as you should), hear this:
 *
 * 65536*B = 76284*(Y-16)		  + 132252*(V-128)
 * 65536*G = 76284*(Y-16) -  53281*(U-128) -  25625*(V-128)
 * 65536*R = 76284*(Y-16) + 104595*(U-128)
 *
 * Make sure the output values are within [0..255] range.
 */
#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
    int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
    mm_y = (my) - 16;  \
    mm_u = (mu) - 128; \
    mm_v = (mv) - 128; \
    mm_yc= mm_y * 76284; \
    mm_b = (mm_yc		+ 132252*mm_v	) >> 16; \
    mm_g = (mm_yc -  53281*mm_u -  25625*mm_v	) >> 16; \
    mm_r = (mm_yc + 104595*mm_u			) >> 16; \
    mb = LIMIT_RGB(mm_b); \
    mg = LIMIT_RGB(mm_g); \
    mr = LIMIT_RGB(mm_r); \
}

/* Debugging aid */
#define USBVISION_SAY_AND_WAIT(what) { \
	wait_queue_head_t wq; \
	init_waitqueue_head(&wq); \
	printk(KERN_INFO "Say: %s\n", what); \
	interruptible_sleep_on_timeout (&wq, HZ*3); \
}

/*
 * This macro checks if usbvision is still operational. The 'usbvision'
 * pointer must be valid, usbvision->dev must be valid, we are not
 * removing the device and the device has not erred on us.
 */
#define USBVISION_IS_OPERATIONAL(udevice) (\
	(udevice != NULL) && \
	((udevice)->dev != NULL) && \
	((udevice)->last_error == 0) && \
	(!(udevice)->remove_pending))

#define I2C_USB_ADAP_MAX	16

/* ----------------------------------------------------------------- */
/* usbvision video structures                                        */
/* ----------------------------------------------------------------- */
enum ScanState {
	ScanState_Scanning,	/* Scanning for header */
	ScanState_Lines		/* Parsing lines */
};

/* Completion states of the data parser */
enum ParseState {
	ParseState_Continue,	/* Just parse next item */
	ParseState_NextFrame,	/* Frame done, send it to V4L */
	ParseState_Out,		/* Not enough data for frame */
	ParseState_EndParse	/* End parsing */
};

enum FrameState {
	FrameState_Unused,	/* Unused (no MCAPTURE) */
	FrameState_Ready,	/* Ready to start grabbing */
	FrameState_Grabbing,	/* In the process of being grabbed into */
	FrameState_Done,	/* Finished grabbing, but not been synced yet */
	FrameState_DoneHold,	/* Are syncing or reading */
	FrameState_Error,	/* Something bad happened while processing */
};

/* stream states */
enum StreamState {
	Stream_Off,		/* Driver streaming is completely OFF */
	Stream_Idle,		/* Driver streaming is ready to be put ON by the application */
	Stream_Interrupt,	/* Driver streaming must be interrupted */
	Stream_On,		/* Driver streaming is put ON by the application */
};

enum IsocState {
	IsocState_InFrame,	/* Isoc packet is member of frame */
	IsocState_NoFrame,	/* Isoc packet is not member of any frame */
};

struct usb_device;

struct usbvision_sbuf {
	char *data;
	struct urb *urb;
};

#define USBVISION_MAGIC_1      			0x55
#define USBVISION_MAGIC_2      			0xAA
#define USBVISION_HEADER_LENGTH			0x0c
#define USBVISION_SAA7111_ADDR			0x48
#define USBVISION_SAA7113_ADDR			0x4a
#define USBVISION_IIC_LRACK			0x20
#define USBVISION_IIC_LRNACK			0x30
#define USBVISION_FRAME_FORMAT_PARAM_INTRA	(1<<7)

struct usbvision_v4l2_format_st {
	int		supported;
	int		bytes_per_pixel;
	int		depth;
	int		format;
	char		*desc;
};
#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)

struct usbvision_frame_header {
	unsigned char magic_1;				/* 0 magic */
	unsigned char magic_2;				/* 1  magic */
	unsigned char headerLength;			/* 2 */
	unsigned char frameNum;				/* 3 */
	unsigned char framePhase;			/* 4 */
	unsigned char frameLatency;			/* 5 */
	unsigned char dataFormat;			/* 6 */
	unsigned char formatParam;			/* 7 */
	unsigned char frameWidthLo;			/* 8 */
	unsigned char frameWidthHi;			/* 9 */
	unsigned char frameHeightLo;			/* 10 */
	unsigned char frameHeightHi;			/* 11 */
	__u16 frameWidth;				/* 8 - 9 after endian correction*/
	__u16 frameHeight;				/* 10 - 11 after endian correction*/
};

/* tvnorms */
struct usbvision_tvnorm {
	char *name;
	v4l2_std_id id;
	/* mode for saa7113h */
	int mode;
};

struct usbvision_frame {
	char *data;					/* Frame buffer */
	struct usbvision_frame_header isocHeader;	/* Header from stream */

	int width;					/* Width application is expecting */
	int height;					/* Height */
	int index;					/* Frame index */
	int frmwidth;					/* Width the frame actually is */
	int frmheight;					/* Height */

	volatile int grabstate;				/* State of grabbing */
	int scanstate;					/* State of scanning */

	struct list_head frame;

	int curline;					/* Line of frame we're working on */

	long scanlength;				/* uncompressed, raw data length of frame */
	long bytes_read;				/* amount of scanlength that has been read from data */
	struct usbvision_v4l2_format_st v4l2_format;	/* format the user needs*/
	int v4l2_linesize;				/* bytes for one videoline*/
	struct timeval timestamp;
	int sequence;					// How many video frames we send to user
};

#define CODEC_SAA7113	7113
#define CODEC_SAA7111	7111
#define BRIDGE_NT1003	1003
#define BRIDGE_NT1004	1004
#define BRIDGE_NT1005   1005

struct usbvision_device_data_st {
	int idVendor;
	int idProduct;
	int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
	int Codec;
	int VideoChannels;
	__u64 VideoNorm;
	int AudioChannels;
	int Radio;
	int vbi;
	int Tuner;
	int TunerType;
	int Vin_Reg1;
	int Vin_Reg2;
	int X_Offset;
	int Y_Offset;
	int Dvi_yuv;
	char *ModelString;
};

/* Declared on usbvision-cards.c */
extern struct usbvision_device_data_st usbvision_device_data[];
extern struct usb_device_id usbvision_table[];

struct usb_usbvision {
	struct video_device *vdev;         				/* Video Device */
	struct video_device *rdev;               			/* Radio Device */
	struct video_device *vbi; 					/* VBI Device   */

	/* i2c Declaration Section*/
	struct i2c_adapter i2c_adap;
	struct i2c_client i2c_client;

	struct urb *ctrlUrb;
	unsigned char ctrlUrbBuffer[8];
	int ctrlUrbBusy;
	struct usb_ctrlrequest ctrlUrbSetup;
	wait_queue_head_t ctrlUrb_wq;					// Processes waiting
	struct semaphore ctrlUrbLock;

	/* configuration part */
	int have_tuner;
	int tuner_type;
	int tuner_addr;
	int bridgeType;							// NT1003, NT1004, NT1005
	int channel;
	int radio;
	int video_inputs;						// # of inputs
	unsigned long freq;
	int AudioMute;
	int AudioChannel;
	int isocMode;							// format of video data for the usb isoc-transfer
	unsigned int nr;						// Number of the device

	/* Device structure */
	struct usb_device *dev;
	unsigned char iface;						/* Video interface number */
	unsigned char ifaceAltActive, ifaceAltInactive;			/* Alt settings */
	unsigned char Vin_Reg2_Preset;
	struct semaphore lock;
	struct timer_list powerOffTimer;
	struct work_struct powerOffWork;
	int power;							/* is the device powered on? */
	int user;							/* user count for exclusive use */
	int initialized;						/* Had we already sent init sequence? */
	int DevModel;							/* What type of USBVISION device we got? */
	enum StreamState streaming;					/* Are we streaming Isochronous? */
	int last_error;							/* What calamity struck us? */
	int curwidth;							/* width of the frame the device is currently set to*/
	int curheight;      						/* height of the frame the device is currently set to*/
	int stretch_width;						/* stretch-factor for frame width (from usb to screen)*/
	int stretch_height;						/* stretch-factor for frame height (from usb to screen)*/
	char *fbuf;							/* Videodev buffer area for mmap*/
	int max_frame_size;						/* Bytes in one video frame */
	int fbuf_size;							/* Videodev buffer size */
	spinlock_t queue_lock;						/* spinlock for protecting mods on inqueue and outqueue */
	struct list_head inqueue, outqueue;                             /* queued frame list and ready to dequeue frame list */
	wait_queue_head_t wait_frame;					/* Processes waiting */
	wait_queue_head_t wait_stream;					/* Processes waiting */
	struct usbvision_frame *curFrame;				// pointer to current frame, set by usbvision_find_header
	struct usbvision_frame frame[USBVISION_NUMFRAMES];		// frame buffer
	struct usbvision_sbuf sbuf[USBVISION_NUMSBUF];			// S buffering
	volatile int remove_pending;					/* If set then about to exit */

	/* Scratch space from the Isochronous Pipe.*/
	unsigned char *scratch;
	int scratch_read_ptr;
	int scratch_write_ptr;
	int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
	int scratch_headermarker_read_ptr;
	int scratch_headermarker_write_ptr;
	enum IsocState isocstate;
	struct usbvision_v4l2_format_st palette;

	struct v4l2_capability vcap;					/* Video capabilities */
	unsigned int ctl_input;						/* selected input */
	struct usbvision_tvnorm *tvnorm;				/* selected tv norm */
	unsigned char video_endp;					/* 0x82 for USBVISION devices based */

	// Decompression stuff:
	unsigned char *IntraFrameBuffer;				/* Buffer for reference frame */
	int BlockPos; 							//for test only
	int requestIntra;						// 0 = normal; 1 = intra frame is requested;
	int lastIsocFrameNum;						// check for lost isoc frames
	int isocPacketSize;						// need to calculate usedBandwidth
	int usedBandwidth;						// used bandwidth 0-100%, need to set comprLevel
	int comprLevel;							// How strong (100) or weak (0) is compression
	int lastComprLevel;						// How strong (100) or weak (0) was compression
	int usb_bandwidth;						/* Mbit/s */

	/* Statistics that can be overlayed on the screen */
	unsigned long isocUrbCount;			// How many URBs we received so far
	unsigned long urb_length;			/* Length of last URB */
	unsigned long isocDataCount;			/* How many bytes we received */
	unsigned long header_count;			/* How many frame headers we found */
	unsigned long scratch_ovf_count;		/* How many times we overflowed scratch */
	unsigned long isocSkipCount;			/* How many empty ISO packets received */
	unsigned long isocErrCount;			/* How many bad ISO packets received */
	unsigned long isocPacketCount;			// How many packets we totally got
	unsigned long timeInIrq;			// How long do we need for interrupt
	int isocMeasureBandwidthCount;
	int frame_num;					// How many video frames we send to user
	int maxStripLen;				// How big is the biggest strip
	int comprBlockPos;
	int stripLenErrors;				// How many times was BlockPos greater than StripLen
	int stripMagicErrors;
	int stripLineNumberErrors;
	int ComprBlockTypes[4];
};


/* --------------------------------------------------------------- */
/* defined in usbvision-i2c.c                                      */
/* i2c-algo-usb declaration                                        */
/* --------------------------------------------------------------- */

int usbvision_i2c_usb_del_bus(struct i2c_adapter *);


/* ----------------------------------------------------------------------- */
/* usbvision specific I2C functions                                        */
/* ----------------------------------------------------------------------- */
int usbvision_init_i2c(struct usb_usbvision *usbvision);
void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);

/* defined in usbvision-core.c                                      */
int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
			unsigned char value);

int usbvision_frames_alloc(struct usb_usbvision *usbvision);
void usbvision_frames_free(struct usb_usbvision *usbvision);
int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
void usbvision_scratch_free(struct usb_usbvision *usbvision);
int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
void usbvision_decompress_free(struct usb_usbvision *usbvision);

int usbvision_setup(struct usb_usbvision *usbvision,int format);
int usbvision_init_isoc(struct usb_usbvision *usbvision);
int usbvision_restart_isoc(struct usb_usbvision *usbvision);
void usbvision_stop_isoc(struct usb_usbvision *usbvision);

int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
int usbvision_audio_off(struct usb_usbvision *usbvision);

int usbvision_begin_streaming(struct usb_usbvision *usbvision);
void usbvision_empty_framequeues(struct usb_usbvision *dev);
int usbvision_stream_interrupt(struct usb_usbvision *dev);

int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
int usbvision_set_input(struct usb_usbvision *usbvision);
int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);

void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
int usbvision_power_off(struct usb_usbvision *usbvision);
int usbvision_power_on(struct usb_usbvision *usbvision);

#endif									/* __LINUX_USBVISION_H */

/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
f2242ee5	1	/*
781aa1d1 MCC	2	* USBVISION.H
	3	* usbvision header file
	4	*
	5	* Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
c876a346 TM	6	* Dwaine Garden <dwainegarden@rogers.com>
	7	*
	8	*
	9	* Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
781aa1d1 MCC	10	*
	11	* This module is part of usbvision driver project.
	12	* Updates to driver completed by Dwaine P. Garden
c876a346	13	* v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
781aa1d1 MCC	14	*
	15	* This program is free software; you can redistribute it and/or modify
	16	* it under the terms of the GNU General Public License as published by
	17	* the Free Software Foundation; either version 2 of the License, or
	18	* (at your option) any later version.
	19	*
	20	* This program is distributed in the hope that it will be useful,
	21	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	23	* GNU General Public License for more details.
	24	*
	25	* You should have received a copy of the GNU General Public License
	26	* along with this program; if not, write to the Free Software
	27	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	28	*/
	29
	30
	31	#ifndef __LINUX_USBVISION_H
	32	#define __LINUX_USBVISION_H
	33
	34	#include <linux/list.h>
6714b012	35	#include <linux/usb.h>
483dfdb6 TM	36	#include <media/v4l2-common.h>
	37	#include <media/tuner.h>
	38	#include <linux/videodev2.h>
781aa1d1	39
c876a346 TM	40	#define USBVISION_DEBUG /* Turn on debug messages */
c876a346 TM	41
781aa1d1 MCC	42	#ifndef VID_HARDWARE_USBVISION
	43	#define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
	44	#endif
	45
	46	#define USBVISION_PWR_REG 0x00
	47	#define USBVISION_SSPND_EN (1 << 1)
	48	#define USBVISION_RES2 (1 << 2)
	49	#define USBVISION_PWR_VID (1 << 5)
f2242ee5	50	#define USBVISION_E2_EN (1 << 7)
781aa1d1 MCC	51	#define USBVISION_CONFIG_REG 0x01
	52	#define USBVISION_ADRS_REG 0x02
	53	#define USBVISION_ALTER_REG 0x03
	54	#define USBVISION_FORCE_ALTER_REG 0x04
	55	#define USBVISION_STATUS_REG 0x05
	56	#define USBVISION_IOPIN_REG 0x06
	57	#define USBVISION_IO_1 (1 << 0)
	58	#define USBVISION_IO_2 (1 << 1)
	59	#define USBVISION_AUDIO_IN 0
	60	#define USBVISION_AUDIO_TV 1
	61	#define USBVISION_AUDIO_RADIO 2
	62	#define USBVISION_AUDIO_MUTE 3
	63	#define USBVISION_SER_MODE 0x07
	64	#define USBVISION_SER_ADRS 0x08
	65	#define USBVISION_SER_CONT 0x09
	66	#define USBVISION_SER_DAT1 0x0A
	67	#define USBVISION_SER_DAT2 0x0B
	68	#define USBVISION_SER_DAT3 0x0C
	69	#define USBVISION_SER_DAT4 0x0D
	70	#define USBVISION_EE_DATA 0x0E
	71	#define USBVISION_EE_LSBAD 0x0F
	72	#define USBVISION_EE_CONT 0x10
	73	#define USBVISION_DRM_CONT 0x12
	74	#define USBVISION_REF (1 << 0)
	75	#define USBVISION_RES_UR (1 << 2)
	76	#define USBVISION_RES_FDL (1 << 3)
	77	#define USBVISION_RES_VDW (1 << 4)
	78	#define USBVISION_DRM_PRM1 0x13
	79	#define USBVISION_DRM_PRM2 0x14
	80	#define USBVISION_DRM_PRM3 0x15
	81	#define USBVISION_DRM_PRM4 0x16
	82	#define USBVISION_DRM_PRM5 0x17
	83	#define USBVISION_DRM_PRM6 0x18
	84	#define USBVISION_DRM_PRM7 0x19
	85	#define USBVISION_DRM_PRM8 0x1A
	86	#define USBVISION_VIN_REG1 0x1B
	87	#define USBVISION_8_422_SYNC 0x01
	88	#define USBVISION_16_422_SYNC 0x02
	89	#define USBVISION_VSNC_POL (1 << 3)
	90	#define USBVISION_HSNC_POL (1 << 4)
	91	#define USBVISION_FID_POL (1 << 5)
	92	#define USBVISION_HVALID_PO (1 << 6)
	93	#define USBVISION_VCLK_POL (1 << 7)
	94	#define USBVISION_VIN_REG2 0x1C
	95	#define USBVISION_AUTO_FID (1 << 0)
	96	#define USBVISION_NONE_INTER (1 << 1)
	97	#define USBVISION_NOHVALID (1 << 2)
	98	#define USBVISION_UV_ID (1 << 3)
	99	#define USBVISION_FIX_2C (1 << 4)
	100	#define USBVISION_SEND_FID (1 << 5)
	101	#define USBVISION_KEEP_BLANK (1 << 7)
	102	#define USBVISION_LXSIZE_I 0x1D
	103	#define USBVISION_MXSIZE_I 0x1E
	104	#define USBVISION_LYSIZE_I 0x1F
	105	#define USBVISION_MYSIZE_I 0x20
	106	#define USBVISION_LX_OFFST 0x21
	107	#define USBVISION_MX_OFFST 0x22
	108	#define USBVISION_LY_OFFST 0x23
	109	#define USBVISION_MY_OFFST 0x24
	110	#define USBVISION_FRM_RATE 0x25
	111	#define USBVISION_LXSIZE_O 0x26
	112	#define USBVISION_MXSIZE_O 0x27
	113	#define USBVISION_LYSIZE_O 0x28
	114	#define USBVISION_MYSIZE_O 0x29
115	#define USBVISION_FILT_CONT 0x2A
116	#define USBVISION_VO_MODE 0x2B
117	#define USBVISION_INTRA_CYC 0x2C
118	#define USBVISION_STRIP_SZ 0x2D
119	#define USBVISION_FORCE_INTRA 0x2E
120	#define USBVISION_FORCE_UP 0x2F
121	#define USBVISION_BUF_THR 0x30
122	#define USBVISION_DVI_YUV 0x31
123	#define USBVISION_AUDIO_CONT 0x32
124	#define USBVISION_AUD_PK_LEN 0x33
125	#define USBVISION_BLK_PK_LEN 0x34
126	#define USBVISION_PCM_THR1 0x38
127	#define USBVISION_PCM_THR2 0x39
128	#define USBVISION_DIST_THR_L 0x3A
129	#define USBVISION_DIST_THR_H 0x3B
130	#define USBVISION_MAX_DIST_L 0x3C
131	#define USBVISION_MAX_DIST_H 0x3D
132	#define USBVISION_OP_CODE 0x33
133
134	#define MAX_BYTES_PER_PIXEL 4
135
136	#define MIN_FRAME_WIDTH 64
137	#define MAX_USB_WIDTH 320 //384
138	#define MAX_FRAME_WIDTH 320 //384 /streching sometimes causes crashes/
139
140	#define MIN_FRAME_HEIGHT 48
141	#define MAX_USB_HEIGHT 240 //288
142	#define MAX_FRAME_HEIGHT 240 //288 /Streching sometimes causes crashes/
143
144	#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
145	#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
146
147	#define USBVISION_URB_FRAMES 32
148	#define USBVISION_MAX_ISOC_PACKET_SIZE 959 // NT1003 Specs Document says 1023
149
150	#define USBVISION_NUM_HEADERMARKER 20
483dfdb6 TM	151	#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
483dfdb6 TM	152	#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
781aa1d1 MCC	153
	154	#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
	155
483dfdb6 TM	156
	157	#define FRAMERATE_MIN 0
	158	#define FRAMERATE_MAX 31
	159
	160	enum {
	161	ISOC_MODE_YUV422 = 0x03,
	162	ISOC_MODE_YUV420 = 0x14,
	163	ISOC_MODE_COMPRESS = 0x60,
	164	};
	165
781aa1d1 MCC	166	/* This macro restricts an int variable to an inclusive range */
	167	#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
	168
	169	/*
	170	* We use macros to do YUV -> RGB conversion because this is
	171	* very important for speed and totally unimportant for size.
	172	*
	173	* YUV -> RGB Conversion
	174	* ---------------------
	175	*
	176	* B = 1.164(Y-16) + 2.018(V-128)
	177	* G = 1.164(Y-16) - 0.813(U-128) - 0.391*(V-128)
	178	* R = 1.164(Y-16) + 1.596(U-128)
	179	*
	180	* If you fancy integer arithmetics (as you should), hear this:
	181	*
	182	* 65536B = 76284(Y-16) + 132252*(V-128)
	183	* 65536G = 76284(Y-16) - 53281(U-128) - 25625(V-128)
	184	* 65536R = 76284(Y-16) + 104595*(U-128)
	185	*
	186	* Make sure the output values are within [0..255] range.
	187	*/
	188	#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
	189	#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
	190	int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
	191	mm_y = (my) - 16; \
	192	mm_u = (mu) - 128; \
	193	mm_v = (mv) - 128; \
	194	mm_yc= mm_y * 76284; \
	195	mm_b = (mm_yc + 132252*mm_v ) >> 16; \
	196	mm_g = (mm_yc - 53281mm_u - 25625mm_v ) >> 16; \
	197	mm_r = (mm_yc + 104595*mm_u ) >> 16; \
	198	mb = LIMIT_RGB(mm_b); \
	199	mg = LIMIT_RGB(mm_g); \
	200	mr = LIMIT_RGB(mm_r); \
	201	}
	202
781aa1d1 MCC	203	/* Debugging aid */
	204	#define USBVISION_SAY_AND_WAIT(what) { \
	205	wait_queue_head_t wq; \
	206	init_waitqueue_head(&wq); \
	207	printk(KERN_INFO "Say: %s\n", what); \
	208	interruptible_sleep_on_timeout (&wq, HZ*3); \
	209	}
	210
	211	/*
	212	* This macro checks if usbvision is still operational. The 'usbvision'
	213	* pointer must be valid, usbvision->dev must be valid, we are not
	214	* removing the device and the device has not erred on us.
	215	*/
	216	#define USBVISION_IS_OPERATIONAL(udevice) (\
	217	(udevice != NULL) && \
	218	((udevice)->dev != NULL) && \
	219	((udevice)->last_error == 0) && \
	220	(!(udevice)->remove_pending))
	221
483dfdb6 TM	222	#define I2C_USB_ADAP_MAX 16
	223
	224	/* ----------------------------------------------------------------- */
	225	/* usbvision video structures */
	226	/* ----------------------------------------------------------------- */
781aa1d1 MCC	227	enum ScanState {
	228	ScanState_Scanning, /* Scanning for header */
	229	ScanState_Lines /* Parsing lines */
	230	};
	231
	232	/* Completion states of the data parser */
	233	enum ParseState {
	234	ParseState_Continue, /* Just parse next item */
	235	ParseState_NextFrame, /* Frame done, send it to V4L */
	236	ParseState_Out, /* Not enough data for frame */
	237	ParseState_EndParse /* End parsing */
	238	};
	239
	240	enum FrameState {
	241	FrameState_Unused, /* Unused (no MCAPTURE) */
	242	FrameState_Ready, /* Ready to start grabbing */
	243	FrameState_Grabbing, /* In the process of being grabbed into */
	244	FrameState_Done, /* Finished grabbing, but not been synced yet */
	245	FrameState_DoneHold, /* Are syncing or reading */
	246	FrameState_Error, /* Something bad happened while processing */
	247	};
	248
f2242ee5 TM	249	/* stream states */
f2242ee5 TM	250	enum StreamState {
5f7fb877 T	251	Stream_Off, /* Driver streaming is completely OFF */
	252	Stream_Idle, /* Driver streaming is ready to be put ON by the application */
	253	Stream_Interrupt, /* Driver streaming must be interrupted */
	254	Stream_On, /* Driver streaming is put ON by the application */
f2242ee5 TM	255	};
f2242ee5 TM	256
781aa1d1 MCC	257	enum IsocState {
	258	IsocState_InFrame, /* Isoc packet is member of frame */
	259	IsocState_NoFrame, /* Isoc packet is not member of any frame */
	260	};
	261
	262	struct usb_device;
	263
	264	struct usbvision_sbuf {
	265	char *data;
	266	struct urb *urb;
	267	};
	268
	269	#define USBVISION_MAGIC_1 0x55
	270	#define USBVISION_MAGIC_2 0xAA
	271	#define USBVISION_HEADER_LENGTH 0x0c
	272	#define USBVISION_SAA7111_ADDR 0x48
	273	#define USBVISION_SAA7113_ADDR 0x4a
	274	#define USBVISION_IIC_LRACK 0x20
	275	#define USBVISION_IIC_LRNACK 0x30
	276	#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
	277
6714b012	278	struct usbvision_v4l2_format_st {
781aa1d1 MCC	279	int supported;
	280	int bytes_per_pixel;
	281	int depth;
	282	int format;
	283	char *desc;
781aa1d1 MCC	284	};
	285	#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
	286
	287	struct usbvision_frame_header {
	288	unsigned char magic_1; /* 0 magic */
	289	unsigned char magic_2; /* 1 magic */
	290	unsigned char headerLength; /* 2 */
	291	unsigned char frameNum; /* 3 */
	292	unsigned char framePhase; /* 4 */
	293	unsigned char frameLatency; /* 5 */
	294	unsigned char dataFormat; /* 6 */
	295	unsigned char formatParam; /* 7 */
	296	unsigned char frameWidthLo; /* 8 */
	297	unsigned char frameWidthHi; /* 9 */
	298	unsigned char frameHeightLo; /* 10 */
	299	unsigned char frameHeightHi; /* 11 */
	300	__u16 frameWidth; /* 8 - 9 after endian correction*/
	301	__u16 frameHeight; /* 10 - 11 after endian correction*/
	302	};
	303
f2242ee5 TM	304	/* tvnorms */
	305	struct usbvision_tvnorm {
	306	char *name;
	307	v4l2_std_id id;
	308	/* mode for saa7113h */
	309	int mode;
	310	};
	311
781aa1d1 MCC	312	struct usbvision_frame {
	313	char data; / Frame buffer */
	314	struct usbvision_frame_header isocHeader; /* Header from stream */
	315
	316	int width; /* Width application is expecting */
	317	int height; /* Height */
f2242ee5	318	int index; /* Frame index */
781aa1d1 MCC	319	int frmwidth; /* Width the frame actually is */
	320	int frmheight; /* Height */
	321
	322	volatile int grabstate; /* State of grabbing */
	323	int scanstate; /* State of scanning */
	324
f2242ee5 TM	325	struct list_head frame;
f2242ee5 TM	326
781aa1d1 MCC	327	int curline; /* Line of frame we're working on */
	328
	329	long scanlength; /* uncompressed, raw data length of frame */
	330	long bytes_read; /* amount of scanlength that has been read from data */
	331	struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
	332	int v4l2_linesize; /* bytes for one videoline*/
f2242ee5	333	struct timeval timestamp;
781aa1d1 MCC	334	int sequence; // How many video frames we send to user
	335	};
	336
	337	#define CODEC_SAA7113 7113
	338	#define CODEC_SAA7111 7111
	339	#define BRIDGE_NT1003 1003
	340	#define BRIDGE_NT1004 1004
	341	#define BRIDGE_NT1005 1005
	342
6714b012	343	struct usbvision_device_data_st {
f2242ee5 TM	344	int idVendor;
	345	int idProduct;
	346	int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
	347	int Codec;
	348	int VideoChannels;
	349	__u64 VideoNorm;
	350	int AudioChannels;
	351	int Radio;
	352	int vbi;
	353	int Tuner;
	354	int TunerType;
	355	int Vin_Reg1;
	356	int Vin_Reg2;
	357	int X_Offset;
	358	int Y_Offset;
	359	int Dvi_yuv;
	360	char *ModelString;
781aa1d1 MCC	361	};
781aa1d1 MCC	362
6714b012 MCC	363	/* Declared on usbvision-cards.c */
	364	extern struct usbvision_device_data_st usbvision_device_data[];
	365	extern struct usb_device_id usbvision_table[];
781aa1d1 MCC	366
	367	struct usb_usbvision {
	368	struct video_device vdev; / Video Device */
	369	struct video_device rdev; / Radio Device */
	370	struct video_device vbi; / VBI Device */
781aa1d1 MCC	371
	372	/* i2c Declaration Section*/
	373	struct i2c_adapter i2c_adap;
781aa1d1	374	struct i2c_client i2c_client;
781aa1d1 MCC	375
	376	struct urb *ctrlUrb;
	377	unsigned char ctrlUrbBuffer[8];
	378	int ctrlUrbBusy;
	379	struct usb_ctrlrequest ctrlUrbSetup;
	380	wait_queue_head_t ctrlUrb_wq; // Processes waiting
	381	struct semaphore ctrlUrbLock;
	382
483dfdb6	383	/* configuration part */
781aa1d1 MCC	384	int have_tuner;
781aa1d1 MCC	385	int tuner_type;
957883d0	386	int tuner_addr;
781aa1d1 MCC	387	int bridgeType; // NT1003, NT1004, NT1005
	388	int channel;
	389	int radio;
	390	int video_inputs; // # of inputs
	391	unsigned long freq;
	392	int AudioMute;
	393	int AudioChannel;
	394	int isocMode; // format of video data for the usb isoc-transfer
483dfdb6	395	unsigned int nr; // Number of the device
781aa1d1 MCC	396
	397	/* Device structure */
	398	struct usb_device *dev;
	399	unsigned char iface; /* Video interface number */
	400	unsigned char ifaceAltActive, ifaceAltInactive; /* Alt settings */
	401	unsigned char Vin_Reg2_Preset;
	402	struct semaphore lock;
	403	struct timer_list powerOffTimer;
	404	struct work_struct powerOffWork;
	405	int power; /* is the device powered on? */
	406	int user; /* user count for exclusive use */
781aa1d1 MCC	407	int initialized; /* Had we already sent init sequence? */
781aa1d1 MCC	408	int DevModel; /* What type of USBVISION device we got? */
f2242ee5	409	enum StreamState streaming; /* Are we streaming Isochronous? */
781aa1d1 MCC	410	int last_error; /* What calamity struck us? */
	411	int curwidth; /* width of the frame the device is currently set to*/
	412	int curheight; /* height of the frame the device is currently set to*/
	413	int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
	414	int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
	415	char fbuf; / Videodev buffer area for mmap*/
	416	int max_frame_size; /* Bytes in one video frame */
	417	int fbuf_size; /* Videodev buffer size */
f2242ee5 TM	418	spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
	419	struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
	420	wait_queue_head_t wait_frame; /* Processes waiting */
	421	wait_queue_head_t wait_stream; /* Processes waiting */
781aa1d1 MCC	422	struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header
781aa1d1 MCC	423	struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
781aa1d1 MCC	424	struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
	425	volatile int remove_pending; /* If set then about to exit */
	426
	427	/* Scratch space from the Isochronous Pipe.*/
	428	unsigned char *scratch;
	429	int scratch_read_ptr;
	430	int scratch_write_ptr;
	431	int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
	432	int scratch_headermarker_read_ptr;
	433	int scratch_headermarker_write_ptr;
483dfdb6	434	enum IsocState isocstate;
781aa1d1 MCC	435	struct usbvision_v4l2_format_st palette;
	436
	437	struct v4l2_capability vcap; /* Video capabilities */
f2242ee5 TM	438	unsigned int ctl_input; /* selected input */
f2242ee5 TM	439	struct usbvision_tvnorm tvnorm; / selected tv norm */
781aa1d1 MCC	440	unsigned char video_endp; /* 0x82 for USBVISION devices based */
781aa1d1 MCC	441
781aa1d1 MCC	442	// Decompression stuff:
	443	unsigned char IntraFrameBuffer; / Buffer for reference frame */
	444	int BlockPos; //for test only
	445	int requestIntra; // 0 = normal; 1 = intra frame is requested;
	446	int lastIsocFrameNum; // check for lost isoc frames
	447	int isocPacketSize; // need to calculate usedBandwidth
	448	int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel
	449	int comprLevel; // How strong (100) or weak (0) is compression
	450	int lastComprLevel; // How strong (100) or weak (0) was compression
	451	int usb_bandwidth; /* Mbit/s */
	452
781aa1d1 MCC	453	/* Statistics that can be overlayed on the screen */
	454	unsigned long isocUrbCount; // How many URBs we received so far
	455	unsigned long urb_length; /* Length of last URB */
	456	unsigned long isocDataCount; /* How many bytes we received */
	457	unsigned long header_count; /* How many frame headers we found */
	458	unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
	459	unsigned long isocSkipCount; /* How many empty ISO packets received */
	460	unsigned long isocErrCount; /* How many bad ISO packets received */
	461	unsigned long isocPacketCount; // How many packets we totally got
	462	unsigned long timeInIrq; // How long do we need for interrupt
	463	int isocMeasureBandwidthCount;
	464	int frame_num; // How many video frames we send to user
	465	int maxStripLen; // How big is the biggest strip
	466	int comprBlockPos;
	467	int stripLenErrors; // How many times was BlockPos greater than StripLen
	468	int stripMagicErrors;
	469	int stripLineNumberErrors;
	470	int ComprBlockTypes[4];
	471	};
	472
483dfdb6 TM	473
	474	/* --------------------------------------------------------------- */
	475	/* defined in usbvision-i2c.c */
	476	/* i2c-algo-usb declaration */
	477	/* --------------------------------------------------------------- */
	478
483dfdb6 TM	479	int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
483dfdb6 TM	480
483dfdb6 TM	481
	482	/* ----------------------------------------------------------------------- */
	483	/* usbvision specific I2C functions */
	484	/* ----------------------------------------------------------------------- */
	485	int usbvision_init_i2c(struct usb_usbvision *usbvision);
	486	void call_i2c_clients(struct usb_usbvision usbvision, unsigned int cmd,void arg);
	487
	488	/* defined in usbvision-core.c */
483dfdb6 TM	489	int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
	490	int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
	491	unsigned char value);
	492
	493	int usbvision_frames_alloc(struct usb_usbvision *usbvision);
	494	void usbvision_frames_free(struct usb_usbvision *usbvision);
	495	int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
	496	void usbvision_scratch_free(struct usb_usbvision *usbvision);
483dfdb6 TM	497	int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
	498	void usbvision_decompress_free(struct usb_usbvision *usbvision);
	499
	500	int usbvision_setup(struct usb_usbvision *usbvision,int format);
	501	int usbvision_init_isoc(struct usb_usbvision *usbvision);
	502	int usbvision_restart_isoc(struct usb_usbvision *usbvision);
	503	void usbvision_stop_isoc(struct usb_usbvision *usbvision);
	504
	505	int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
	506	int usbvision_audio_off(struct usb_usbvision *usbvision);
	507
	508	int usbvision_begin_streaming(struct usb_usbvision *usbvision);
	509	void usbvision_empty_framequeues(struct usb_usbvision *dev);
	510	int usbvision_stream_interrupt(struct usb_usbvision *dev);
	511
	512	int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
	513	int usbvision_set_input(struct usb_usbvision *usbvision);
	514	int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
	515
	516	void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
	517	void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
	518	void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
	519	int usbvision_power_off(struct usb_usbvision *usbvision);
	520	int usbvision_power_on(struct usb_usbvision *usbvision);
	521
781aa1d1 MCC	522	#endif /* __LINUX_USBVISION_H */
781aa1d1 MCC	523
f2242ee5 TM	524	/*
	525	* Overrides for Emacs so that we follow Linus's tabbing style.
	526	* ---------------------------------------------------------------------------
	527	* Local variables:
	528	* c-basic-offset: 8
	529	* End:
	530	*/