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V4L/DVB (5516): Reduce usbvision data size
[mirror_ubuntu-hirsute-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>
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>
2a9f8b5d 36#include <linux/i2c.h>
483dfdb6
TM		 37#include <media/v4l2-common.h>
38#include <media/tuner.h>
39#include <linux/videodev2.h>
781aa1d1 40
c876a346
TM		 41#define USBVISION_DEBUG /* Turn on debug messages */
42
781aa1d1
MCC		 43#ifndef VID_HARDWARE_USBVISION
44 #define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
45#endif
46
47#define USBVISION_PWR_REG 0x00
48 #define USBVISION_SSPND_EN (1 << 1)
49 #define USBVISION_RES2 (1 << 2)
50 #define USBVISION_PWR_VID (1 << 5)
f2242ee5 51 #define USBVISION_E2_EN (1 << 7)
781aa1d1
MCC		 52#define USBVISION_CONFIG_REG 0x01
53#define USBVISION_ADRS_REG 0x02
54#define USBVISION_ALTER_REG 0x03
55#define USBVISION_FORCE_ALTER_REG 0x04
56#define USBVISION_STATUS_REG 0x05
57#define USBVISION_IOPIN_REG 0x06
58 #define USBVISION_IO_1 (1 << 0)
59 #define USBVISION_IO_2 (1 << 1)
60 #define USBVISION_AUDIO_IN 0
61 #define USBVISION_AUDIO_TV 1
62 #define USBVISION_AUDIO_RADIO 2
63 #define USBVISION_AUDIO_MUTE 3
64#define USBVISION_SER_MODE 0x07
65#define USBVISION_SER_ADRS 0x08
66#define USBVISION_SER_CONT 0x09
67#define USBVISION_SER_DAT1 0x0A
68#define USBVISION_SER_DAT2 0x0B
69#define USBVISION_SER_DAT3 0x0C
70#define USBVISION_SER_DAT4 0x0D
71#define USBVISION_EE_DATA 0x0E
72#define USBVISION_EE_LSBAD 0x0F
73#define USBVISION_EE_CONT 0x10
74#define USBVISION_DRM_CONT 0x12
75 #define USBVISION_REF (1 << 0)
76 #define USBVISION_RES_UR (1 << 2)
77 #define USBVISION_RES_FDL (1 << 3)
78 #define USBVISION_RES_VDW (1 << 4)
79#define USBVISION_DRM_PRM1 0x13
80#define USBVISION_DRM_PRM2 0x14
81#define USBVISION_DRM_PRM3 0x15
82#define USBVISION_DRM_PRM4 0x16
83#define USBVISION_DRM_PRM5 0x17
84#define USBVISION_DRM_PRM6 0x18
85#define USBVISION_DRM_PRM7 0x19
86#define USBVISION_DRM_PRM8 0x1A
87#define USBVISION_VIN_REG1 0x1B
88 #define USBVISION_8_422_SYNC 0x01
89 #define USBVISION_16_422_SYNC 0x02
90 #define USBVISION_VSNC_POL (1 << 3)
91 #define USBVISION_HSNC_POL (1 << 4)
92 #define USBVISION_FID_POL (1 << 5)
93 #define USBVISION_HVALID_PO (1 << 6)
94 #define USBVISION_VCLK_POL (1 << 7)
95#define USBVISION_VIN_REG2 0x1C
96 #define USBVISION_AUTO_FID (1 << 0)
97 #define USBVISION_NONE_INTER (1 << 1)
98 #define USBVISION_NOHVALID (1 << 2)
99 #define USBVISION_UV_ID (1 << 3)
100 #define USBVISION_FIX_2C (1 << 4)
101 #define USBVISION_SEND_FID (1 << 5)
102 #define USBVISION_KEEP_BLANK (1 << 7)
103#define USBVISION_LXSIZE_I 0x1D
104#define USBVISION_MXSIZE_I 0x1E
105#define USBVISION_LYSIZE_I 0x1F
106#define USBVISION_MYSIZE_I 0x20
107#define USBVISION_LX_OFFST 0x21
108#define USBVISION_MX_OFFST 0x22
109#define USBVISION_LY_OFFST 0x23
110#define USBVISION_MY_OFFST 0x24
111#define USBVISION_FRM_RATE 0x25
112#define USBVISION_LXSIZE_O 0x26
113#define USBVISION_MXSIZE_O 0x27
114#define USBVISION_LYSIZE_O 0x28
115#define USBVISION_MYSIZE_O 0x29
116#define USBVISION_FILT_CONT 0x2A
117#define USBVISION_VO_MODE 0x2B
118#define USBVISION_INTRA_CYC 0x2C
119#define USBVISION_STRIP_SZ 0x2D
120#define USBVISION_FORCE_INTRA 0x2E
121#define USBVISION_FORCE_UP 0x2F
122#define USBVISION_BUF_THR 0x30
123#define USBVISION_DVI_YUV 0x31
124#define USBVISION_AUDIO_CONT 0x32
125#define USBVISION_AUD_PK_LEN 0x33
126#define USBVISION_BLK_PK_LEN 0x34
127#define USBVISION_PCM_THR1 0x38
128#define USBVISION_PCM_THR2 0x39
129#define USBVISION_DIST_THR_L 0x3A
130#define USBVISION_DIST_THR_H 0x3B
131#define USBVISION_MAX_DIST_L 0x3C
132#define USBVISION_MAX_DIST_H 0x3D
133#define USBVISION_OP_CODE 0x33
134
135#define MAX_BYTES_PER_PIXEL 4
136
137#define MIN_FRAME_WIDTH 64
138#define MAX_USB_WIDTH 320 //384
139#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/
140
141#define MIN_FRAME_HEIGHT 48
142#define MAX_USB_HEIGHT 240 //288
143#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/
144
145#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
146#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
147
148#define USBVISION_URB_FRAMES 32
149#define USBVISION_MAX_ISOC_PACKET_SIZE 959 // NT1003 Specs Document says 1023
150
151#define USBVISION_NUM_HEADERMARKER 20
483dfdb6
TM		 152#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
153#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
781aa1d1
MCC		 154
155#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
156
483dfdb6
TM		 157
158#define FRAMERATE_MIN 0
159#define FRAMERATE_MAX 31
160
161enum {
162 ISOC_MODE_YUV422 = 0x03,
163 ISOC_MODE_YUV420 = 0x14,
164 ISOC_MODE_COMPRESS = 0x60,
165};
166
781aa1d1
MCC		 167/* This macro restricts an int variable to an inclusive range */
168#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
169
170/*
171 * We use macros to do YUV -> RGB conversion because this is
172 * very important for speed and totally unimportant for size.
173 *
174 * YUV -> RGB Conversion
175 * ---------------------
176 *
177 * B = 1.164*(Y-16) + 2.018*(V-128)
178 * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
179 * R = 1.164*(Y-16) + 1.596*(U-128)
180 *
181 * If you fancy integer arithmetics (as you should), hear this:
182 *
183 * 65536*B = 76284*(Y-16) + 132252*(V-128)
184 * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
185 * 65536*R = 76284*(Y-16) + 104595*(U-128)
186 *
187 * Make sure the output values are within [0..255] range.
188 */
189#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
190#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
191 int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
192 mm_y = (my) - 16; \
193 mm_u = (mu) - 128; \
194 mm_v = (mv) - 128; \
195 mm_yc= mm_y * 76284; \
196 mm_b = (mm_yc + 132252*mm_v ) >> 16; \
197 mm_g = (mm_yc - 53281*mm_u - 25625*mm_v ) >> 16; \
198 mm_r = (mm_yc + 104595*mm_u ) >> 16; \
199 mb = LIMIT_RGB(mm_b); \
200 mg = LIMIT_RGB(mm_g); \
201 mr = LIMIT_RGB(mm_r); \
202}
203
781aa1d1
MCC		 204/* Debugging aid */
205#define USBVISION_SAY_AND_WAIT(what) { \
206 wait_queue_head_t wq; \
207 init_waitqueue_head(&wq); \
208 printk(KERN_INFO "Say: %s\n", what); \
209 interruptible_sleep_on_timeout (&wq, HZ*3); \
210}
211
212/*
213 * This macro checks if usbvision is still operational. The 'usbvision'
214 * pointer must be valid, usbvision->dev must be valid, we are not
215 * removing the device and the device has not erred on us.
216 */
217#define USBVISION_IS_OPERATIONAL(udevice) (\
218 (udevice != NULL) && \
219 ((udevice)->dev != NULL) && \
220 ((udevice)->last_error == 0) && \
221 (!(udevice)->remove_pending))
222
483dfdb6
TM		 223#define I2C_USB_ADAP_MAX 16
224
225/* ----------------------------------------------------------------- */
226/* usbvision video structures */
227/* ----------------------------------------------------------------- */
781aa1d1
MCC		 228enum ScanState {
229 ScanState_Scanning, /* Scanning for header */
230 ScanState_Lines /* Parsing lines */
231};
232
233/* Completion states of the data parser */
234enum ParseState {
235 ParseState_Continue, /* Just parse next item */
236 ParseState_NextFrame, /* Frame done, send it to V4L */
237 ParseState_Out, /* Not enough data for frame */
238 ParseState_EndParse /* End parsing */
239};
240
241enum FrameState {
242 FrameState_Unused, /* Unused (no MCAPTURE) */
243 FrameState_Ready, /* Ready to start grabbing */
244 FrameState_Grabbing, /* In the process of being grabbed into */
245 FrameState_Done, /* Finished grabbing, but not been synced yet */
246 FrameState_DoneHold, /* Are syncing or reading */
247 FrameState_Error, /* Something bad happened while processing */
248};
249
f2242ee5
TM		 250/* stream states */
251enum StreamState {
5f7fb877
T		 252 Stream_Off, /* Driver streaming is completely OFF */
253 Stream_Idle, /* Driver streaming is ready to be put ON by the application */
254 Stream_Interrupt, /* Driver streaming must be interrupted */
255 Stream_On, /* Driver streaming is put ON by the application */
f2242ee5
TM		 256};
257
781aa1d1
MCC		 258enum IsocState {
259 IsocState_InFrame, /* Isoc packet is member of frame */
260 IsocState_NoFrame, /* Isoc packet is not member of any frame */
261};
262
263struct usb_device;
264
265struct usbvision_sbuf {
266 char *data;
267 struct urb *urb;
268};
269
270#define USBVISION_MAGIC_1 0x55
271#define USBVISION_MAGIC_2 0xAA
272#define USBVISION_HEADER_LENGTH 0x0c
273#define USBVISION_SAA7111_ADDR 0x48
274#define USBVISION_SAA7113_ADDR 0x4a
275#define USBVISION_IIC_LRACK 0x20
276#define USBVISION_IIC_LRNACK 0x30
277#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
278
6714b012 279struct usbvision_v4l2_format_st {
781aa1d1
MCC		 280 int supported;
281 int bytes_per_pixel;
282 int depth;
283 int format;
284 char *desc;
781aa1d1
MCC		 285};
286#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
287
288struct usbvision_frame_header {
289 unsigned char magic_1; /* 0 magic */
290 unsigned char magic_2; /* 1 magic */
291 unsigned char headerLength; /* 2 */
292 unsigned char frameNum; /* 3 */
293 unsigned char framePhase; /* 4 */
294 unsigned char frameLatency; /* 5 */
295 unsigned char dataFormat; /* 6 */
296 unsigned char formatParam; /* 7 */
297 unsigned char frameWidthLo; /* 8 */
298 unsigned char frameWidthHi; /* 9 */
299 unsigned char frameHeightLo; /* 10 */
300 unsigned char frameHeightHi; /* 11 */
301 __u16 frameWidth; /* 8 - 9 after endian correction*/
302 __u16 frameHeight; /* 10 - 11 after endian correction*/
303};
304
f2242ee5
TM		 305/* tvnorms */
306struct usbvision_tvnorm {
307 char *name;
308 v4l2_std_id id;
309 /* mode for saa7113h */
310 int mode;
311};
312
781aa1d1
MCC		 313struct usbvision_frame {
314 char *data; /* Frame buffer */
315 struct usbvision_frame_header isocHeader; /* Header from stream */
316
317 int width; /* Width application is expecting */
318 int height; /* Height */
f2242ee5 319 int index; /* Frame index */
781aa1d1
MCC		 320 int frmwidth; /* Width the frame actually is */
321 int frmheight; /* Height */
322
323 volatile int grabstate; /* State of grabbing */
324 int scanstate; /* State of scanning */
325
f2242ee5
TM		 326 struct list_head frame;
327
781aa1d1
MCC		 328 int curline; /* Line of frame we're working on */
329
330 long scanlength; /* uncompressed, raw data length of frame */
331 long bytes_read; /* amount of scanlength that has been read from data */
332 struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
333 int v4l2_linesize; /* bytes for one videoline*/
f2242ee5 334 struct timeval timestamp;
781aa1d1
MCC		 335 int sequence; // How many video frames we send to user
336};
337
338#define CODEC_SAA7113 7113
339#define CODEC_SAA7111 7111
340#define BRIDGE_NT1003 1003
341#define BRIDGE_NT1004 1004
342#define BRIDGE_NT1005 1005
343
6714b012 344struct usbvision_device_data_st {
f2242ee5
TM		 345 int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
346 int Codec;
347 int VideoChannels;
348 __u64 VideoNorm;
349 int AudioChannels;
f7ca6256
MCC		 350 int Radio:1;
351 int vbi:1;
352 int Tuner:1;
f2242ee5
TM		 353 int TunerType;
354 int Vin_Reg1;
355 int Vin_Reg2;
356 int X_Offset;
357 int Y_Offset;
358 int Dvi_yuv;
359 char *ModelString;
781aa1d1
MCC		 360};
361
6714b012
MCC		 362/* Declared on usbvision-cards.c */
363extern struct usbvision_device_data_st usbvision_device_data[];
364extern struct usb_device_id usbvision_table[];
781aa1d1
MCC		 365
366struct usb_usbvision {
367 struct video_device *vdev; /* Video Device */
368 struct video_device *rdev; /* Radio Device */
369 struct video_device *vbi; /* VBI Device */
781aa1d1
MCC		 370
371 /* i2c Declaration Section*/
372 struct i2c_adapter i2c_adap;
781aa1d1 373 struct i2c_client i2c_client;
781aa1d1
MCC		 374
375 struct urb *ctrlUrb;
376 unsigned char ctrlUrbBuffer[8];
377 int ctrlUrbBusy;
378 struct usb_ctrlrequest ctrlUrbSetup;
379 wait_queue_head_t ctrlUrb_wq; // Processes waiting
380 struct semaphore ctrlUrbLock;
381
483dfdb6 382 /* configuration part */
781aa1d1
MCC		 383 int have_tuner;
384 int tuner_type;
957883d0 385 int tuner_addr;
781aa1d1
MCC		 386 int bridgeType; // NT1003, NT1004, NT1005
387 int channel;
388 int radio;
389 int video_inputs; // # of inputs
390 unsigned long freq;
391 int AudioMute;
392 int AudioChannel;
393 int isocMode; // format of video data for the usb isoc-transfer
483dfdb6 394 unsigned int nr; // Number of the device
781aa1d1
MCC		 395
396 /* Device structure */
397 struct usb_device *dev;
2a9f8b5d
TM		 398 /* usb transfer */
399 int num_alt; /* Number of alternative settings */
400 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
781aa1d1 401 unsigned char iface; /* Video interface number */
2a9f8b5d 402 unsigned char ifaceAlt; /* Alt settings */
781aa1d1
MCC		 403 unsigned char Vin_Reg2_Preset;
404 struct semaphore lock;
405 struct timer_list powerOffTimer;
406 struct work_struct powerOffWork;
407 int power; /* is the device powered on? */
408 int user; /* user count for exclusive use */
781aa1d1
MCC		 409 int initialized; /* Had we already sent init sequence? */
410 int DevModel; /* What type of USBVISION device we got? */
f2242ee5 411 enum StreamState streaming; /* Are we streaming Isochronous? */
781aa1d1
MCC		 412 int last_error; /* What calamity struck us? */
413 int curwidth; /* width of the frame the device is currently set to*/
414 int curheight; /* height of the frame the device is currently set to*/
415 int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
416 int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
417 char *fbuf; /* Videodev buffer area for mmap*/
418 int max_frame_size; /* Bytes in one video frame */
419 int fbuf_size; /* Videodev buffer size */
f2242ee5
TM		 420 spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
421 struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
422 wait_queue_head_t wait_frame; /* Processes waiting */
423 wait_queue_head_t wait_stream; /* Processes waiting */
781aa1d1
MCC		 424 struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header
425 struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
6f78e186 426 int num_frames; // number of frames allocated
781aa1d1
MCC		 427 struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
428 volatile int remove_pending; /* If set then about to exit */
429
430 /* Scratch space from the Isochronous Pipe.*/
431 unsigned char *scratch;
432 int scratch_read_ptr;
433 int scratch_write_ptr;
434 int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
435 int scratch_headermarker_read_ptr;
436 int scratch_headermarker_write_ptr;
483dfdb6 437 enum IsocState isocstate;
781aa1d1
MCC		 438 struct usbvision_v4l2_format_st palette;
439
440 struct v4l2_capability vcap; /* Video capabilities */
f2242ee5
TM		 441 unsigned int ctl_input; /* selected input */
442 struct usbvision_tvnorm *tvnorm; /* selected tv norm */
781aa1d1
MCC		 443 unsigned char video_endp; /* 0x82 for USBVISION devices based */
444
781aa1d1
MCC		 445 // Decompression stuff:
446 unsigned char *IntraFrameBuffer; /* Buffer for reference frame */
447 int BlockPos; //for test only
448 int requestIntra; // 0 = normal; 1 = intra frame is requested;
449 int lastIsocFrameNum; // check for lost isoc frames
450 int isocPacketSize; // need to calculate usedBandwidth
451 int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel
452 int comprLevel; // How strong (100) or weak (0) is compression
453 int lastComprLevel; // How strong (100) or weak (0) was compression
454 int usb_bandwidth; /* Mbit/s */
455
781aa1d1
MCC		 456 /* Statistics that can be overlayed on the screen */
457 unsigned long isocUrbCount; // How many URBs we received so far
458 unsigned long urb_length; /* Length of last URB */
459 unsigned long isocDataCount; /* How many bytes we received */
460 unsigned long header_count; /* How many frame headers we found */
461 unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
462 unsigned long isocSkipCount; /* How many empty ISO packets received */
463 unsigned long isocErrCount; /* How many bad ISO packets received */
464 unsigned long isocPacketCount; // How many packets we totally got
465 unsigned long timeInIrq; // How long do we need for interrupt
466 int isocMeasureBandwidthCount;
467 int frame_num; // How many video frames we send to user
468 int maxStripLen; // How big is the biggest strip
469 int comprBlockPos;
470 int stripLenErrors; // How many times was BlockPos greater than StripLen
471 int stripMagicErrors;
472 int stripLineNumberErrors;
473 int ComprBlockTypes[4];
474};
475
483dfdb6
TM		 476
477/* --------------------------------------------------------------- */
478/* defined in usbvision-i2c.c */
479/* i2c-algo-usb declaration */
480/* --------------------------------------------------------------- */
481
483dfdb6
TM		 482int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
483
483dfdb6
TM		 484
485/* ----------------------------------------------------------------------- */
486/* usbvision specific I2C functions */
487/* ----------------------------------------------------------------------- */
488int usbvision_init_i2c(struct usb_usbvision *usbvision);
489void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
490
491/* defined in usbvision-core.c */
483dfdb6
TM		 492int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
493int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
494 unsigned char value);
495
6f78e186 496int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
483dfdb6
TM		 497void usbvision_frames_free(struct usb_usbvision *usbvision);
498int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
499void usbvision_scratch_free(struct usb_usbvision *usbvision);
483dfdb6
TM		 500int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
501void usbvision_decompress_free(struct usb_usbvision *usbvision);
502
503int usbvision_setup(struct usb_usbvision *usbvision,int format);
504int usbvision_init_isoc(struct usb_usbvision *usbvision);
505int usbvision_restart_isoc(struct usb_usbvision *usbvision);
506void usbvision_stop_isoc(struct usb_usbvision *usbvision);
2a9f8b5d 507int usbvision_set_alternate(struct usb_usbvision *dev);
483dfdb6
TM		 508
509int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
510int usbvision_audio_off(struct usb_usbvision *usbvision);
511
512int usbvision_begin_streaming(struct usb_usbvision *usbvision);
513void usbvision_empty_framequeues(struct usb_usbvision *dev);
514int usbvision_stream_interrupt(struct usb_usbvision *dev);
515
516int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
517int usbvision_set_input(struct usb_usbvision *usbvision);
518int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
519
520void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
521void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
522void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
523int usbvision_power_off(struct usb_usbvision *usbvision);
524int usbvision_power_on(struct usb_usbvision *usbvision);
525
781aa1d1
MCC		 526#endif /* __LINUX_USBVISION_H */
527
f2242ee5
TM		 528/*
529 * Overrides for Emacs so that we follow Linus's tabbing style.
530 * ---------------------------------------------------------------------------
531 * Local variables:
532 * c-basic-offset: 8
533 * End:
534 */
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