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[mirror_ubuntu-artful-kernel.git] / drivers / media / usb / 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 *
15965f06 9 * Report problems to v4l MailingList: linux-media@vger.kernel.org
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.
781aa1d1
MCC		 24 */
25
26
27#ifndef __LINUX_USBVISION_H
28#define __LINUX_USBVISION_H
29
30#include <linux/list.h>
6714b012 31#include <linux/usb.h>
2a9f8b5d 32#include <linux/i2c.h>
289d4d2f 33#include <linux/mutex.h>
1df79537 34#include <media/v4l2-device.h>
fd95870d 35#include <media/v4l2-ctrls.h>
483dfdb6
TM		 36#include <media/tuner.h>
37#include <linux/videodev2.h>
781aa1d1 38
c876a346
TM		 39#define USBVISION_DEBUG /* Turn on debug messages */
40
781aa1d1
MCC		 41#define USBVISION_PWR_REG 0x00
42 #define USBVISION_SSPND_EN (1 << 1)
43 #define USBVISION_RES2 (1 << 2)
44 #define USBVISION_PWR_VID (1 << 5)
f2242ee5 45 #define USBVISION_E2_EN (1 << 7)
781aa1d1
MCC		 46#define USBVISION_CONFIG_REG 0x01
47#define USBVISION_ADRS_REG 0x02
48#define USBVISION_ALTER_REG 0x03
49#define USBVISION_FORCE_ALTER_REG 0x04
50#define USBVISION_STATUS_REG 0x05
51#define USBVISION_IOPIN_REG 0x06
52 #define USBVISION_IO_1 (1 << 0)
53 #define USBVISION_IO_2 (1 << 1)
54 #define USBVISION_AUDIO_IN 0
55 #define USBVISION_AUDIO_TV 1
56 #define USBVISION_AUDIO_RADIO 2
57 #define USBVISION_AUDIO_MUTE 3
58#define USBVISION_SER_MODE 0x07
240d57bb
OZ		 59 #define USBVISION_CLK_OUT (1 << 0)
60 #define USBVISION_DAT_IO (1 << 1)
61 #define USBVISION_SENS_OUT (1 << 2)
62 #define USBVISION_SER_MODE_SOFT (0 << 4)
63 #define USBVISION_SER_MODE_SIO (1 << 4)
781aa1d1
MCC		 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
52cb0bf2
HV		 137#define MAX_USB_WIDTH 320 /* 384 */
138#define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/
781aa1d1
MCC		 139
140#define MIN_FRAME_HEIGHT 48
52cb0bf2
HV		 141#define MAX_USB_HEIGHT 240 /* 288 */
142#define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching sometimes causes crashes*/
781aa1d1 143
6d6a48e5 144#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
52cb0bf2 145#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */
781aa1d1
MCC		 146
147#define USBVISION_URB_FRAMES 32
781aa1d1
MCC		 148
149#define USBVISION_NUM_HEADERMARKER 20
483dfdb6
TM		 150#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
151#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
781aa1d1 152
6d6a48e5 153#define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */
781aa1d1 154
483dfdb6
TM		 155
156#define FRAMERATE_MIN 0
157#define FRAMERATE_MAX 31
158
159enum {
160 ISOC_MODE_YUV422 = 0x03,
161 ISOC_MODE_YUV420 = 0x14,
162 ISOC_MODE_COMPRESS = 0x60,
163};
164
781aa1d1 165/* This macro restricts an int variable to an inclusive range */
6d6a48e5 166#define RESTRICT_TO_RANGE(v, mi, ma) \
534d0326 167 { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
781aa1d1
MCC		 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 * 65536*B = 76284*(Y-16) + 132252*(V-128)
183 * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
184 * 65536*R = 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)))
6d6a48e5
HV		 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 - 53281 * mm_u - 25625 * mm_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); \
781aa1d1
MCC		 201}
202
781aa1d1
MCC		 203/*
204 * This macro checks if usbvision is still operational. The 'usbvision'
205 * pointer must be valid, usbvision->dev must be valid, we are not
206 * removing the device and the device has not erred on us.
207 */
208#define USBVISION_IS_OPERATIONAL(udevice) (\
209 (udevice != NULL) && \
210 ((udevice)->dev != NULL) && \
211 ((udevice)->last_error == 0) && \
212 (!(udevice)->remove_pending))
213
483dfdb6
TM		 214#define I2C_USB_ADAP_MAX 16
215
c5f48367
TM		 216#define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
217
483dfdb6
TM		 218/* ----------------------------------------------------------------- */
219/* usbvision video structures */
220/* ----------------------------------------------------------------- */
5490a7cb
HV		 221enum scan_state {
222 scan_state_scanning, /* Scanning for header */
223 scan_state_lines /* Parsing lines */
781aa1d1
MCC		 224};
225
226/* Completion states of the data parser */
5490a7cb
HV		 227enum parse_state {
228 parse_state_continue, /* Just parse next item */
229 parse_state_next_frame, /* Frame done, send it to V4L */
230 parse_state_out, /* Not enough data for frame */
231 parse_state_end_parse /* End parsing */
781aa1d1
MCC		 232};
233
5490a7cb
HV		 234enum frame_state {
235 frame_state_unused, /* Unused (no MCAPTURE) */
236 frame_state_ready, /* Ready to start grabbing */
237 frame_state_grabbing, /* In the process of being grabbed into */
238 frame_state_done, /* Finished grabbing, but not been synced yet */
239 frame_state_done_hold, /* Are syncing or reading */
240 frame_state_error, /* Something bad happened while processing */
781aa1d1
MCC		 241};
242
f2242ee5 243/* stream states */
5490a7cb
HV		 244enum stream_state {
245 stream_off, /* Driver streaming is completely OFF */
246 stream_idle, /* Driver streaming is ready to be put ON by the application */
247 stream_interrupt, /* Driver streaming must be interrupted */
248 stream_on, /* Driver streaming is put ON by the application */
f2242ee5
TM		 249};
250
5490a7cb
HV		 251enum isoc_state {
252 isoc_state_in_frame, /* Isoc packet is member of frame */
253 isoc_state_no_frame, /* Isoc packet is not member of any frame */
781aa1d1
MCC		 254};
255
256struct usb_device;
257
258struct usbvision_sbuf {
259 char *data;
260 struct urb *urb;
261};
262
6d6a48e5
HV		 263#define USBVISION_MAGIC_1 0x55
264#define USBVISION_MAGIC_2 0xAA
781aa1d1
MCC		 265#define USBVISION_HEADER_LENGTH 0x0c
266#define USBVISION_SAA7111_ADDR 0x48
267#define USBVISION_SAA7113_ADDR 0x4a
268#define USBVISION_IIC_LRACK 0x20
269#define USBVISION_IIC_LRNACK 0x30
270#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
271
6714b012 272struct usbvision_v4l2_format_st {
781aa1d1
MCC		 273 int supported;
274 int bytes_per_pixel;
275 int depth;
276 int format;
277 char *desc;
781aa1d1
MCC		 278};
279#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
280
281struct usbvision_frame_header {
282 unsigned char magic_1; /* 0 magic */
283 unsigned char magic_2; /* 1 magic */
5490a7cb 284 unsigned char header_length; /* 2 */
52cb0bf2 285 unsigned char frame_num; /* 3 */
5490a7cb
HV		 286 unsigned char frame_phase; /* 4 */
287 unsigned char frame_latency; /* 5 */
288 unsigned char data_format; /* 6 */
289 unsigned char format_param; /* 7 */
290 unsigned char frame_width_lo; /* 8 */
291 unsigned char frame_width_hi; /* 9 */
292 unsigned char frame_height_lo; /* 10 */
293 unsigned char frame_height_hi; /* 11 */
294 __u16 frame_width; /* 8 - 9 after endian correction*/
295 __u16 frame_height; /* 10 - 11 after endian correction*/
781aa1d1
MCC		 296};
297
298struct usbvision_frame {
299 char *data; /* Frame buffer */
5490a7cb 300 struct usbvision_frame_header isoc_header; /* Header from stream */
781aa1d1
MCC		 301
302 int width; /* Width application is expecting */
303 int height; /* Height */
f2242ee5 304 int index; /* Frame index */
781aa1d1
MCC		 305 int frmwidth; /* Width the frame actually is */
306 int frmheight; /* Height */
307
308 volatile int grabstate; /* State of grabbing */
309 int scanstate; /* State of scanning */
310
f2242ee5
TM		 311 struct list_head frame;
312
781aa1d1
MCC		 313 int curline; /* Line of frame we're working on */
314
315 long scanlength; /* uncompressed, raw data length of frame */
316 long bytes_read; /* amount of scanlength that has been read from data */
317 struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
318 int v4l2_linesize; /* bytes for one videoline*/
f2242ee5 319 struct timeval timestamp;
52cb0bf2 320 int sequence; /* How many video frames we send to user */
781aa1d1
MCC		 321};
322
323#define CODEC_SAA7113 7113
324#define CODEC_SAA7111 7111
240d57bb 325#define CODEC_WEBCAM 3000
781aa1d1
MCC		 326#define BRIDGE_NT1003 1003
327#define BRIDGE_NT1004 1004
328#define BRIDGE_NT1005 1005
329
6714b012 330struct usbvision_device_data_st {
5490a7cb
HV		 331 __u64 video_norm;
332 const char *model_string;
333 int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
334 __u16 codec;
335 unsigned video_channels:3;
336 unsigned audio_channels:2;
337 unsigned radio:1;
c682b3a7 338 unsigned vbi:1;
5490a7cb
HV		 339 unsigned tuner:1;
340 unsigned vin_reg1_override:1; /* Override default value with */
341 unsigned vin_reg2_override:1; /* vin_reg1, vin_reg2, etc. */
342 unsigned dvi_yuv_override:1;
343 __u8 vin_reg1;
344 __u8 vin_reg2;
345 __u8 dvi_yuv;
346 __u8 tuner_type;
347 __s16 x_offset;
348 __s16 y_offset;
781aa1d1
MCC		 349};
350
6714b012
MCC		 351/* Declared on usbvision-cards.c */
352extern struct usbvision_device_data_st usbvision_device_data[];
353extern struct usb_device_id usbvision_table[];
781aa1d1
MCC		 354
355struct usb_usbvision {
1df79537 356 struct v4l2_device v4l2_dev;
fd95870d 357 struct v4l2_ctrl_handler hdl;
2aa689dd
HV		 358 struct video_device vdev; /* Video Device */
359 struct video_device rdev; /* Radio Device */
781aa1d1
MCC		 360
361 /* i2c Declaration Section*/
362 struct i2c_adapter i2c_adap;
8403472f 363 int registered_i2c;
781aa1d1 364
5490a7cb
HV		 365 struct urb *ctrl_urb;
366 unsigned char ctrl_urb_buffer[8];
367 int ctrl_urb_busy;
368 struct usb_ctrlrequest ctrl_urb_setup;
781aa1d1 369
483dfdb6 370 /* configuration part */
781aa1d1
MCC		 371 int have_tuner;
372 int tuner_type;
52cb0bf2 373 int bridge_type; /* NT1003, NT1004, NT1005 */
781aa1d1 374 int radio;
52cb0bf2 375 int video_inputs; /* # of inputs */
64d416ec
HV		 376 unsigned long radio_freq;
377 unsigned long tv_freq;
5490a7cb
HV		 378 int audio_mute;
379 int audio_channel;
52cb0bf2
HV		 380 int isoc_mode; /* format of video data for the usb isoc-transfer */
381 unsigned int nr; /* Number of the device */
781aa1d1
MCC		 382
383 /* Device structure */
384 struct usb_device *dev;
2a9f8b5d
TM		 385 /* usb transfer */
386 int num_alt; /* Number of alternative settings */
5490a7cb 387 unsigned int *alt_max_pkt_size; /* array of max_packet_size */
781aa1d1 388 unsigned char iface; /* Video interface number */
52cb0bf2 389 unsigned char iface_alt; /* Alt settings */
5490a7cb 390 unsigned char vin_reg2_preset;
c627b9d1 391 struct mutex v4l2_lock;
781aa1d1
MCC		 392 int power; /* is the device powered on? */
393 int user; /* user count for exclusive use */
781aa1d1 394 int initialized; /* Had we already sent init sequence? */
5490a7cb
HV		 395 int dev_model; /* What type of USBVISION device we got? */
396 enum stream_state streaming; /* Are we streaming Isochronous? */
781aa1d1
MCC		 397 int last_error; /* What calamity struck us? */
398 int curwidth; /* width of the frame the device is currently set to*/
6d6a48e5 399 int curheight; /* height of the frame the device is currently set to*/
781aa1d1
MCC		 400 int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
401 int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
402 char *fbuf; /* Videodev buffer area for mmap*/
403 int max_frame_size; /* Bytes in one video frame */
404 int fbuf_size; /* Videodev buffer size */
f2242ee5
TM		 405 spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
406 struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
407 wait_queue_head_t wait_frame; /* Processes waiting */
408 wait_queue_head_t wait_stream; /* Processes waiting */
52cb0bf2
HV		 409 struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */
410 struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */
411 int num_frames; /* number of frames allocated */
412 struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */
781aa1d1
MCC		 413 volatile int remove_pending; /* If set then about to exit */
414
415 /* Scratch space from the Isochronous Pipe.*/
416 unsigned char *scratch;
417 int scratch_read_ptr;
418 int scratch_write_ptr;
419 int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
420 int scratch_headermarker_read_ptr;
421 int scratch_headermarker_write_ptr;
5490a7cb 422 enum isoc_state isocstate;
781aa1d1
MCC		 423 struct usbvision_v4l2_format_st palette;
424
425 struct v4l2_capability vcap; /* Video capabilities */
f2242ee5 426 unsigned int ctl_input; /* selected input */
5490a7cb 427 v4l2_std_id tvnorm_id; /* selected tv norm */
781aa1d1
MCC		 428 unsigned char video_endp; /* 0x82 for USBVISION devices based */
429
52cb0bf2 430 /* Decompression stuff: */
5490a7cb 431 unsigned char *intra_frame_buffer; /* Buffer for reference frame */
6d6a48e5 432 int block_pos; /* for test only */
52cb0bf2
HV		 433 int request_intra; /* 0 = normal; 1 = intra frame is requested; */
434 int last_isoc_frame_num; /* check for lost isoc frames */
435 int isoc_packet_size; /* need to calculate used_bandwidth */
436 int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */
437 int compr_level; /* How strong (100) or weak (0) is compression */
438 int last_compr_level; /* How strong (100) or weak (0) was compression */
781aa1d1
MCC		 439 int usb_bandwidth; /* Mbit/s */
440
781aa1d1 441 /* Statistics that can be overlayed on the screen */
52cb0bf2 442 unsigned long isoc_urb_count; /* How many URBs we received so far */
781aa1d1 443 unsigned long urb_length; /* Length of last URB */
5490a7cb 444 unsigned long isoc_data_count; /* How many bytes we received */
781aa1d1
MCC		 445 unsigned long header_count; /* How many frame headers we found */
446 unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
5490a7cb
HV		 447 unsigned long isoc_skip_count; /* How many empty ISO packets received */
448 unsigned long isoc_err_count; /* How many bad ISO packets received */
52cb0bf2
HV		 449 unsigned long isoc_packet_count; /* How many packets we totally got */
450 unsigned long time_in_irq; /* How long do we need for interrupt */
5490a7cb 451 int isoc_measure_bandwidth_count;
52cb0bf2
HV		 452 int frame_num; /* How many video frames we send to user */
453 int max_strip_len; /* How big is the biggest strip */
5490a7cb 454 int comprblock_pos;
52cb0bf2 455 int strip_len_errors; /* How many times was block_pos greater than strip_len */
5490a7cb
HV		 456 int strip_magic_errors;
457 int strip_line_number_errors;
458 int compr_block_types[4];
781aa1d1
MCC		 459};
460
aeb506aa
HV		 461static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev)
462{
463 return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev);
464}
465
1df79537
HV		 466#define call_all(usbvision, o, f, args...) \
467 v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
483dfdb6
TM		 468
469/* --------------------------------------------------------------- */
470/* defined in usbvision-i2c.c */
471/* i2c-algo-usb declaration */
472/* --------------------------------------------------------------- */
473
483dfdb6
TM		 474/* ----------------------------------------------------------------------- */
475/* usbvision specific I2C functions */
476/* ----------------------------------------------------------------------- */
1ff16c20
TM		 477int usbvision_i2c_register(struct usb_usbvision *usbvision);
478int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
483dfdb6
TM		 479
480/* defined in usbvision-core.c */
483dfdb6
TM		 481int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
482int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
483 unsigned char value);
484
6f78e186 485int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
483dfdb6
TM		 486void usbvision_frames_free(struct usb_usbvision *usbvision);
487int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
488void usbvision_scratch_free(struct usb_usbvision *usbvision);
483dfdb6
TM		 489int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
490void usbvision_decompress_free(struct usb_usbvision *usbvision);
491
6d6a48e5 492int usbvision_setup(struct usb_usbvision *usbvision, int format);
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TM		 493int usbvision_init_isoc(struct usb_usbvision *usbvision);
494int usbvision_restart_isoc(struct usb_usbvision *usbvision);
495void usbvision_stop_isoc(struct usb_usbvision *usbvision);
2a9f8b5d 496int usbvision_set_alternate(struct usb_usbvision *dev);
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5490a7cb 498int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel);
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TM		 499int usbvision_audio_off(struct usb_usbvision *usbvision);
500
501int usbvision_begin_streaming(struct usb_usbvision *usbvision);
502void usbvision_empty_framequeues(struct usb_usbvision *dev);
503int usbvision_stream_interrupt(struct usb_usbvision *dev);
504
505int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
506int usbvision_set_input(struct usb_usbvision *usbvision);
507int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
508
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TM		 509int usbvision_power_off(struct usb_usbvision *usbvision);
510int usbvision_power_on(struct usb_usbvision *usbvision);
511
781aa1d1 512#endif /* __LINUX_USBVISION_H */
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