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V4L/DVB (4951): Add version.h, since it is required for VIDIOC_QUERYCAP
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / usbvision / usbvision.h
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f2242ee5 1/*
781aa1d1
MCC		 2 * USBVISION.H
3 * usbvision header file
4 *
5 * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
6 *
7 * This module is part of usbvision driver project.
8 * Updates to driver completed by Dwaine P. Garden
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25
26#ifndef __LINUX_USBVISION_H
27#define __LINUX_USBVISION_H
28
29#include <linux/list.h>
6714b012 30#include <linux/usb.h>
483dfdb6
TM		 31#include <media/v4l2-common.h>
32#include <media/tuner.h>
33#include <linux/videodev2.h>
781aa1d1
MCC		 34
35#ifndef VID_HARDWARE_USBVISION
36 #define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
37#endif
38
39#define USBVISION_PWR_REG 0x00
40 #define USBVISION_SSPND_EN (1 << 1)
41 #define USBVISION_RES2 (1 << 2)
42 #define USBVISION_PWR_VID (1 << 5)
f2242ee5 43 #define USBVISION_E2_EN (1 << 7)
781aa1d1
MCC		 44#define USBVISION_CONFIG_REG 0x01
45#define USBVISION_ADRS_REG 0x02
46#define USBVISION_ALTER_REG 0x03
47#define USBVISION_FORCE_ALTER_REG 0x04
48#define USBVISION_STATUS_REG 0x05
49#define USBVISION_IOPIN_REG 0x06
50 #define USBVISION_IO_1 (1 << 0)
51 #define USBVISION_IO_2 (1 << 1)
52 #define USBVISION_AUDIO_IN 0
53 #define USBVISION_AUDIO_TV 1
54 #define USBVISION_AUDIO_RADIO 2
55 #define USBVISION_AUDIO_MUTE 3
56#define USBVISION_SER_MODE 0x07
57#define USBVISION_SER_ADRS 0x08
58#define USBVISION_SER_CONT 0x09
59#define USBVISION_SER_DAT1 0x0A
60#define USBVISION_SER_DAT2 0x0B
61#define USBVISION_SER_DAT3 0x0C
62#define USBVISION_SER_DAT4 0x0D
63#define USBVISION_EE_DATA 0x0E
64#define USBVISION_EE_LSBAD 0x0F
65#define USBVISION_EE_CONT 0x10
66#define USBVISION_DRM_CONT 0x12
67 #define USBVISION_REF (1 << 0)
68 #define USBVISION_RES_UR (1 << 2)
69 #define USBVISION_RES_FDL (1 << 3)
70 #define USBVISION_RES_VDW (1 << 4)
71#define USBVISION_DRM_PRM1 0x13
72#define USBVISION_DRM_PRM2 0x14
73#define USBVISION_DRM_PRM3 0x15
74#define USBVISION_DRM_PRM4 0x16
75#define USBVISION_DRM_PRM5 0x17
76#define USBVISION_DRM_PRM6 0x18
77#define USBVISION_DRM_PRM7 0x19
78#define USBVISION_DRM_PRM8 0x1A
79#define USBVISION_VIN_REG1 0x1B
80 #define USBVISION_8_422_SYNC 0x01
81 #define USBVISION_16_422_SYNC 0x02
82 #define USBVISION_VSNC_POL (1 << 3)
83 #define USBVISION_HSNC_POL (1 << 4)
84 #define USBVISION_FID_POL (1 << 5)
85 #define USBVISION_HVALID_PO (1 << 6)
86 #define USBVISION_VCLK_POL (1 << 7)
87#define USBVISION_VIN_REG2 0x1C
88 #define USBVISION_AUTO_FID (1 << 0)
89 #define USBVISION_NONE_INTER (1 << 1)
90 #define USBVISION_NOHVALID (1 << 2)
91 #define USBVISION_UV_ID (1 << 3)
92 #define USBVISION_FIX_2C (1 << 4)
93 #define USBVISION_SEND_FID (1 << 5)
94 #define USBVISION_KEEP_BLANK (1 << 7)
95#define USBVISION_LXSIZE_I 0x1D
96#define USBVISION_MXSIZE_I 0x1E
97#define USBVISION_LYSIZE_I 0x1F
98#define USBVISION_MYSIZE_I 0x20
99#define USBVISION_LX_OFFST 0x21
100#define USBVISION_MX_OFFST 0x22
101#define USBVISION_LY_OFFST 0x23
102#define USBVISION_MY_OFFST 0x24
103#define USBVISION_FRM_RATE 0x25
104#define USBVISION_LXSIZE_O 0x26
105#define USBVISION_MXSIZE_O 0x27
106#define USBVISION_LYSIZE_O 0x28
107#define USBVISION_MYSIZE_O 0x29
108#define USBVISION_FILT_CONT 0x2A
109#define USBVISION_VO_MODE 0x2B
110#define USBVISION_INTRA_CYC 0x2C
111#define USBVISION_STRIP_SZ 0x2D
112#define USBVISION_FORCE_INTRA 0x2E
113#define USBVISION_FORCE_UP 0x2F
114#define USBVISION_BUF_THR 0x30
115#define USBVISION_DVI_YUV 0x31
116#define USBVISION_AUDIO_CONT 0x32
117#define USBVISION_AUD_PK_LEN 0x33
118#define USBVISION_BLK_PK_LEN 0x34
119#define USBVISION_PCM_THR1 0x38
120#define USBVISION_PCM_THR2 0x39
121#define USBVISION_DIST_THR_L 0x3A
122#define USBVISION_DIST_THR_H 0x3B
123#define USBVISION_MAX_DIST_L 0x3C
124#define USBVISION_MAX_DIST_H 0x3D
125#define USBVISION_OP_CODE 0x33
126
127#define MAX_BYTES_PER_PIXEL 4
128
129#define MIN_FRAME_WIDTH 64
130#define MAX_USB_WIDTH 320 //384
131#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/
132
133#define MIN_FRAME_HEIGHT 48
134#define MAX_USB_HEIGHT 240 //288
135#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/
136
137#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
138#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
139
140#define USBVISION_URB_FRAMES 32
141#define USBVISION_MAX_ISOC_PACKET_SIZE 959 // NT1003 Specs Document says 1023
142
143#define USBVISION_NUM_HEADERMARKER 20
483dfdb6
TM		 144#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
145#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
781aa1d1
MCC		 146
147#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
148
483dfdb6
TM		 149
150#define FRAMERATE_MIN 0
151#define FRAMERATE_MAX 31
152
153enum {
154 ISOC_MODE_YUV422 = 0x03,
155 ISOC_MODE_YUV420 = 0x14,
156 ISOC_MODE_COMPRESS = 0x60,
157};
158
781aa1d1
MCC		 159/* This macro restricts an int variable to an inclusive range */
160#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
161
162/*
163 * We use macros to do YUV -> RGB conversion because this is
164 * very important for speed and totally unimportant for size.
165 *
166 * YUV -> RGB Conversion
167 * ---------------------
168 *
169 * B = 1.164*(Y-16) + 2.018*(V-128)
170 * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
171 * R = 1.164*(Y-16) + 1.596*(U-128)
172 *
173 * If you fancy integer arithmetics (as you should), hear this:
174 *
175 * 65536*B = 76284*(Y-16) + 132252*(V-128)
176 * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
177 * 65536*R = 76284*(Y-16) + 104595*(U-128)
178 *
179 * Make sure the output values are within [0..255] range.
180 */
181#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
182#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
183 int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
184 mm_y = (my) - 16; \
185 mm_u = (mu) - 128; \
186 mm_v = (mv) - 128; \
187 mm_yc= mm_y * 76284; \
188 mm_b = (mm_yc + 132252*mm_v ) >> 16; \
189 mm_g = (mm_yc - 53281*mm_u - 25625*mm_v ) >> 16; \
190 mm_r = (mm_yc + 104595*mm_u ) >> 16; \
191 mb = LIMIT_RGB(mm_b); \
192 mg = LIMIT_RGB(mm_g); \
193 mr = LIMIT_RGB(mm_r); \
194}
195
781aa1d1
MCC		 196/* Debugging aid */
197#define USBVISION_SAY_AND_WAIT(what) { \
198 wait_queue_head_t wq; \
199 init_waitqueue_head(&wq); \
200 printk(KERN_INFO "Say: %s\n", what); \
201 interruptible_sleep_on_timeout (&wq, HZ*3); \
202}
203
204/*
205 * This macro checks if usbvision is still operational. The 'usbvision'
206 * pointer must be valid, usbvision->dev must be valid, we are not
207 * removing the device and the device has not erred on us.
208 */
209#define USBVISION_IS_OPERATIONAL(udevice) (\
210 (udevice != NULL) && \
211 ((udevice)->dev != NULL) && \
212 ((udevice)->last_error == 0) && \
213 (!(udevice)->remove_pending))
214
483dfdb6
TM		 215/* I2C structures */
216struct i2c_algo_usb_data {
217 void *data; /* private data for lowlevel routines */
218 int (*inb) (void *data, unsigned char addr, char *buf, short len);
219 int (*outb) (void *data, unsigned char addr, char *buf, short len);
220
221 /* local settings */
222 int udelay;
223 int mdelay;
224 int timeout;
225};
781aa1d1 226
483dfdb6
TM		 227#define I2C_USB_ADAP_MAX 16
228
229/* ----------------------------------------------------------------- */
230/* usbvision video structures */
231/* ----------------------------------------------------------------- */
781aa1d1
MCC		 232enum ScanState {
233 ScanState_Scanning, /* Scanning for header */
234 ScanState_Lines /* Parsing lines */
235};
236
237/* Completion states of the data parser */
238enum ParseState {
239 ParseState_Continue, /* Just parse next item */
240 ParseState_NextFrame, /* Frame done, send it to V4L */
241 ParseState_Out, /* Not enough data for frame */
242 ParseState_EndParse /* End parsing */
243};
244
245enum FrameState {
246 FrameState_Unused, /* Unused (no MCAPTURE) */
247 FrameState_Ready, /* Ready to start grabbing */
248 FrameState_Grabbing, /* In the process of being grabbed into */
249 FrameState_Done, /* Finished grabbing, but not been synced yet */
250 FrameState_DoneHold, /* Are syncing or reading */
251 FrameState_Error, /* Something bad happened while processing */
252};
253
f2242ee5
TM		 254/* stream states */
255enum StreamState {
5f7fb877
T		 256 Stream_Off, /* Driver streaming is completely OFF */
257 Stream_Idle, /* Driver streaming is ready to be put ON by the application */
258 Stream_Interrupt, /* Driver streaming must be interrupted */
259 Stream_On, /* Driver streaming is put ON by the application */
f2242ee5
TM		 260};
261
781aa1d1
MCC		 262enum IsocState {
263 IsocState_InFrame, /* Isoc packet is member of frame */
264 IsocState_NoFrame, /* Isoc packet is not member of any frame */
265};
266
267struct usb_device;
268
269struct usbvision_sbuf {
270 char *data;
271 struct urb *urb;
272};
273
274#define USBVISION_MAGIC_1 0x55
275#define USBVISION_MAGIC_2 0xAA
276#define USBVISION_HEADER_LENGTH 0x0c
277#define USBVISION_SAA7111_ADDR 0x48
278#define USBVISION_SAA7113_ADDR 0x4a
279#define USBVISION_IIC_LRACK 0x20
280#define USBVISION_IIC_LRNACK 0x30
281#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
282
6714b012 283struct usbvision_v4l2_format_st {
781aa1d1
MCC		 284 int supported;
285 int bytes_per_pixel;
286 int depth;
287 int format;
288 char *desc;
781aa1d1
MCC		 289};
290#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
291
292struct usbvision_frame_header {
293 unsigned char magic_1; /* 0 magic */
294 unsigned char magic_2; /* 1 magic */
295 unsigned char headerLength; /* 2 */
296 unsigned char frameNum; /* 3 */
297 unsigned char framePhase; /* 4 */
298 unsigned char frameLatency; /* 5 */
299 unsigned char dataFormat; /* 6 */
300 unsigned char formatParam; /* 7 */
301 unsigned char frameWidthLo; /* 8 */
302 unsigned char frameWidthHi; /* 9 */
303 unsigned char frameHeightLo; /* 10 */
304 unsigned char frameHeightHi; /* 11 */
305 __u16 frameWidth; /* 8 - 9 after endian correction*/
306 __u16 frameHeight; /* 10 - 11 after endian correction*/
307};
308
f2242ee5
TM		 309/* tvnorms */
310struct usbvision_tvnorm {
311 char *name;
312 v4l2_std_id id;
313 /* mode for saa7113h */
314 int mode;
315};
316
781aa1d1
MCC		 317struct usbvision_frame {
318 char *data; /* Frame buffer */
319 struct usbvision_frame_header isocHeader; /* Header from stream */
320
321 int width; /* Width application is expecting */
322 int height; /* Height */
f2242ee5 323 int index; /* Frame index */
781aa1d1
MCC		 324 int frmwidth; /* Width the frame actually is */
325 int frmheight; /* Height */
326
327 volatile int grabstate; /* State of grabbing */
328 int scanstate; /* State of scanning */
329
f2242ee5
TM		 330 struct list_head frame;
331
781aa1d1
MCC		 332 int curline; /* Line of frame we're working on */
333
334 long scanlength; /* uncompressed, raw data length of frame */
335 long bytes_read; /* amount of scanlength that has been read from data */
336 struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
337 int v4l2_linesize; /* bytes for one videoline*/
f2242ee5 338 struct timeval timestamp;
781aa1d1
MCC		 339 int sequence; // How many video frames we send to user
340};
341
342#define CODEC_SAA7113 7113
343#define CODEC_SAA7111 7111
344#define BRIDGE_NT1003 1003
345#define BRIDGE_NT1004 1004
346#define BRIDGE_NT1005 1005
347
6714b012 348struct usbvision_device_data_st {
f2242ee5
TM		 349 int idVendor;
350 int idProduct;
351 int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
352 int Codec;
353 int VideoChannels;
354 __u64 VideoNorm;
355 int AudioChannels;
356 int Radio;
357 int vbi;
358 int Tuner;
359 int TunerType;
360 int Vin_Reg1;
361 int Vin_Reg2;
362 int X_Offset;
363 int Y_Offset;
364 int Dvi_yuv;
365 char *ModelString;
781aa1d1
MCC		 366};
367
6714b012
MCC		 368/* Declared on usbvision-cards.c */
369extern struct usbvision_device_data_st usbvision_device_data[];
370extern struct usb_device_id usbvision_table[];
781aa1d1
MCC		 371
372struct usb_usbvision {
373 struct video_device *vdev; /* Video Device */
374 struct video_device *rdev; /* Radio Device */
375 struct video_device *vbi; /* VBI Device */
781aa1d1
MCC		 376
377 /* i2c Declaration Section*/
378 struct i2c_adapter i2c_adap;
379 struct i2c_algo_usb_data i2c_algo;
380 struct i2c_client i2c_client;
781aa1d1
MCC		 381
382 struct urb *ctrlUrb;
383 unsigned char ctrlUrbBuffer[8];
384 int ctrlUrbBusy;
385 struct usb_ctrlrequest ctrlUrbSetup;
386 wait_queue_head_t ctrlUrb_wq; // Processes waiting
387 struct semaphore ctrlUrbLock;
388
483dfdb6 389 /* configuration part */
781aa1d1
MCC		 390 int have_tuner;
391 int tuner_type;
957883d0 392 int tuner_addr;
781aa1d1
MCC		 393 int bridgeType; // NT1003, NT1004, NT1005
394 int channel;
395 int radio;
396 int video_inputs; // # of inputs
397 unsigned long freq;
398 int AudioMute;
399 int AudioChannel;
400 int isocMode; // format of video data for the usb isoc-transfer
483dfdb6 401 unsigned int nr; // Number of the device
781aa1d1
MCC		 402
403 /* Device structure */
404 struct usb_device *dev;
405 unsigned char iface; /* Video interface number */
406 unsigned char ifaceAltActive, ifaceAltInactive; /* Alt settings */
407 unsigned char Vin_Reg2_Preset;
408 struct semaphore lock;
409 struct timer_list powerOffTimer;
410 struct work_struct powerOffWork;
411 int power; /* is the device powered on? */
412 int user; /* user count for exclusive use */
781aa1d1
MCC		 413 int initialized; /* Had we already sent init sequence? */
414 int DevModel; /* What type of USBVISION device we got? */
f2242ee5 415 enum StreamState streaming; /* Are we streaming Isochronous? */
781aa1d1
MCC		 416 int last_error; /* What calamity struck us? */
417 int curwidth; /* width of the frame the device is currently set to*/
418 int curheight; /* height of the frame the device is currently set to*/
419 int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
420 int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
421 char *fbuf; /* Videodev buffer area for mmap*/
422 int max_frame_size; /* Bytes in one video frame */
423 int fbuf_size; /* Videodev buffer size */
f2242ee5
TM		 424 spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
425 struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
426 wait_queue_head_t wait_frame; /* Processes waiting */
427 wait_queue_head_t wait_stream; /* Processes waiting */
781aa1d1
MCC		 428 struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header
429 struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
781aa1d1
MCC		 430 struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
431 volatile int remove_pending; /* If set then about to exit */
432
433 /* Scratch space from the Isochronous Pipe.*/
434 unsigned char *scratch;
435 int scratch_read_ptr;
436 int scratch_write_ptr;
437 int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
438 int scratch_headermarker_read_ptr;
439 int scratch_headermarker_write_ptr;
483dfdb6 440 enum IsocState isocstate;
781aa1d1
MCC		 441 struct usbvision_v4l2_format_st palette;
442
443 struct v4l2_capability vcap; /* Video capabilities */
f2242ee5
TM		 444 unsigned int ctl_input; /* selected input */
445 struct usbvision_tvnorm *tvnorm; /* selected tv norm */
781aa1d1
MCC		 446 unsigned char video_endp; /* 0x82 for USBVISION devices based */
447
781aa1d1
MCC		 448 // Decompression stuff:
449 unsigned char *IntraFrameBuffer; /* Buffer for reference frame */
450 int BlockPos; //for test only
451 int requestIntra; // 0 = normal; 1 = intra frame is requested;
452 int lastIsocFrameNum; // check for lost isoc frames
453 int isocPacketSize; // need to calculate usedBandwidth
454 int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel
455 int comprLevel; // How strong (100) or weak (0) is compression
456 int lastComprLevel; // How strong (100) or weak (0) was compression
457 int usb_bandwidth; /* Mbit/s */
458
781aa1d1
MCC		 459 /* Statistics that can be overlayed on the screen */
460 unsigned long isocUrbCount; // How many URBs we received so far
461 unsigned long urb_length; /* Length of last URB */
462 unsigned long isocDataCount; /* How many bytes we received */
463 unsigned long header_count; /* How many frame headers we found */
464 unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
465 unsigned long isocSkipCount; /* How many empty ISO packets received */
466 unsigned long isocErrCount; /* How many bad ISO packets received */
467 unsigned long isocPacketCount; // How many packets we totally got
468 unsigned long timeInIrq; // How long do we need for interrupt
469 int isocMeasureBandwidthCount;
470 int frame_num; // How many video frames we send to user
471 int maxStripLen; // How big is the biggest strip
472 int comprBlockPos;
473 int stripLenErrors; // How many times was BlockPos greater than StripLen
474 int stripMagicErrors;
475 int stripLineNumberErrors;
476 int ComprBlockTypes[4];
477};
478
483dfdb6
TM		 479
480/* --------------------------------------------------------------- */
481/* defined in usbvision-i2c.c */
482/* i2c-algo-usb declaration */
483/* --------------------------------------------------------------- */
484
485int usbvision_i2c_usb_add_bus(struct i2c_adapter *);
486int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
487
488static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev)
489{
490 return dev->data;
491}
492
493static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data)
494{
495 dev->data = data;
496}
497
498
499/* ----------------------------------------------------------------------- */
500/* usbvision specific I2C functions */
501/* ----------------------------------------------------------------------- */
502int usbvision_init_i2c(struct usb_usbvision *usbvision);
503void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
504
505/* defined in usbvision-core.c */
506void *usbvision_rvmalloc(unsigned long size);
507void usbvision_rvfree(void *mem, unsigned long size);
508int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
509int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
510 unsigned char value);
511
512int usbvision_frames_alloc(struct usb_usbvision *usbvision);
513void usbvision_frames_free(struct usb_usbvision *usbvision);
514int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
515void usbvision_scratch_free(struct usb_usbvision *usbvision);
516int usbvision_sbuf_alloc(struct usb_usbvision *usbvision);
517void usbvision_sbuf_free(struct usb_usbvision *usbvision);
518int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
519void usbvision_decompress_free(struct usb_usbvision *usbvision);
520
521int usbvision_setup(struct usb_usbvision *usbvision,int format);
522int usbvision_init_isoc(struct usb_usbvision *usbvision);
523int usbvision_restart_isoc(struct usb_usbvision *usbvision);
524void usbvision_stop_isoc(struct usb_usbvision *usbvision);
525
526int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
527int usbvision_audio_off(struct usb_usbvision *usbvision);
528
529int usbvision_begin_streaming(struct usb_usbvision *usbvision);
530void usbvision_empty_framequeues(struct usb_usbvision *dev);
531int usbvision_stream_interrupt(struct usb_usbvision *dev);
532
533int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
534int usbvision_set_input(struct usb_usbvision *usbvision);
535int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
536
537void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
538void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
539void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
540int usbvision_power_off(struct usb_usbvision *usbvision);
541int usbvision_power_on(struct usb_usbvision *usbvision);
542
781aa1d1
MCC		 543#endif /* __LINUX_USBVISION_H */
544
f2242ee5
TM		 545/*
546 * Overrides for Emacs so that we follow Linus's tabbing style.
547 * ---------------------------------------------------------------------------
548 * Local variables:
549 * c-basic-offset: 8
550 * End:
551 */
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