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1 | /* | |
2 | * USBVISION.H | |
3 | * usbvision header file | |
4 | * | |
5 | * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> | |
6 | * Dwaine Garden <dwainegarden@rogers.com> | |
7 | * | |
8 | * | |
9 | * Report problems to v4l MailingList: linux-media@vger.kernel.org | |
10 | * | |
11 | * This module is part of usbvision driver project. | |
12 | * Updates to driver completed by Dwaine P. Garden | |
13 | * v4l2 conversion by Thierry Merle <thierry.merle@free.fr> | |
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 | ||
26 | ||
27 | #ifndef __LINUX_USBVISION_H | |
28 | #define __LINUX_USBVISION_H | |
29 | ||
30 | #include <linux/list.h> | |
31 | #include <linux/usb.h> | |
32 | #include <linux/i2c.h> | |
33 | #include <linux/mutex.h> | |
34 | #include <media/v4l2-device.h> | |
35 | #include <media/v4l2-ctrls.h> | |
36 | #include <media/tuner.h> | |
37 | #include <linux/videodev2.h> | |
38 | ||
39 | #define USBVISION_DEBUG /* Turn on debug messages */ | |
40 | ||
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) | |
45 | #define USBVISION_E2_EN (1 << 7) | |
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 | |
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) | |
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 | ||
149 | #define USBVISION_NUM_HEADERMARKER 20 | |
150 | #define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */ | |
151 | #define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */ | |
152 | ||
153 | #define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */ | |
154 | ||
155 | ||
156 | #define FRAMERATE_MIN 0 | |
157 | #define FRAMERATE_MAX 31 | |
158 | ||
159 | enum { | |
160 | ISOC_MODE_YUV422 = 0x03, | |
161 | ISOC_MODE_YUV420 = 0x14, | |
162 | ISOC_MODE_COMPRESS = 0x60, | |
163 | }; | |
164 | ||
165 | /* This macro restricts an int variable to an inclusive range */ | |
166 | #define RESTRICT_TO_RANGE(v, mi, ma) \ | |
167 | { if (((int)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 | * 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))) | |
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); \ | |
201 | } | |
202 | ||
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 | ||
214 | #define I2C_USB_ADAP_MAX 16 | |
215 | ||
216 | #define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M) | |
217 | ||
218 | /* ----------------------------------------------------------------- */ | |
219 | /* usbvision video structures */ | |
220 | /* ----------------------------------------------------------------- */ | |
221 | enum scan_state { | |
222 | scan_state_scanning, /* Scanning for header */ | |
223 | scan_state_lines /* Parsing lines */ | |
224 | }; | |
225 | ||
226 | /* Completion states of the data parser */ | |
227 | enum 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 */ | |
232 | }; | |
233 | ||
234 | enum 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 */ | |
241 | }; | |
242 | ||
243 | /* stream states */ | |
244 | enum 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 */ | |
249 | }; | |
250 | ||
251 | enum 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 */ | |
254 | }; | |
255 | ||
256 | struct usb_device; | |
257 | ||
258 | struct usbvision_sbuf { | |
259 | char *data; | |
260 | struct urb *urb; | |
261 | }; | |
262 | ||
263 | #define USBVISION_MAGIC_1 0x55 | |
264 | #define USBVISION_MAGIC_2 0xAA | |
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 | ||
272 | struct usbvision_v4l2_format_st { | |
273 | int supported; | |
274 | int bytes_per_pixel; | |
275 | int depth; | |
276 | int format; | |
277 | char *desc; | |
278 | }; | |
279 | #define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format) | |
280 | ||
281 | struct usbvision_frame_header { | |
282 | unsigned char magic_1; /* 0 magic */ | |
283 | unsigned char magic_2; /* 1 magic */ | |
284 | unsigned char header_length; /* 2 */ | |
285 | unsigned char frame_num; /* 3 */ | |
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*/ | |
296 | }; | |
297 | ||
298 | struct usbvision_frame { | |
299 | char *data; /* Frame buffer */ | |
300 | struct usbvision_frame_header isoc_header; /* Header from stream */ | |
301 | ||
302 | int width; /* Width application is expecting */ | |
303 | int height; /* Height */ | |
304 | int index; /* Frame index */ | |
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 | ||
311 | struct list_head frame; | |
312 | ||
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*/ | |
319 | struct timeval timestamp; | |
320 | int sequence; /* How many video frames we send to user */ | |
321 | }; | |
322 | ||
323 | #define CODEC_SAA7113 7113 | |
324 | #define CODEC_SAA7111 7111 | |
325 | #define CODEC_WEBCAM 3000 | |
326 | #define BRIDGE_NT1003 1003 | |
327 | #define BRIDGE_NT1004 1004 | |
328 | #define BRIDGE_NT1005 1005 | |
329 | ||
330 | struct usbvision_device_data_st { | |
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; | |
338 | unsigned vbi:1; | |
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; | |
349 | }; | |
350 | ||
351 | /* Declared on usbvision-cards.c */ | |
352 | extern struct usbvision_device_data_st usbvision_device_data[]; | |
353 | extern struct usb_device_id usbvision_table[]; | |
354 | ||
355 | struct usb_usbvision { | |
356 | struct v4l2_device v4l2_dev; | |
357 | struct v4l2_ctrl_handler hdl; | |
358 | struct video_device vdev; /* Video Device */ | |
359 | struct video_device rdev; /* Radio Device */ | |
360 | ||
361 | /* i2c Declaration Section*/ | |
362 | struct i2c_adapter i2c_adap; | |
363 | int registered_i2c; | |
364 | ||
365 | struct urb *ctrl_urb; | |
366 | unsigned char ctrl_urb_buffer[8]; | |
367 | int ctrl_urb_busy; | |
368 | struct usb_ctrlrequest ctrl_urb_setup; | |
369 | ||
370 | /* configuration part */ | |
371 | int have_tuner; | |
372 | int tuner_type; | |
373 | int bridge_type; /* NT1003, NT1004, NT1005 */ | |
374 | int radio; | |
375 | int video_inputs; /* # of inputs */ | |
376 | unsigned long radio_freq; | |
377 | unsigned long tv_freq; | |
378 | int audio_mute; | |
379 | int audio_channel; | |
380 | int isoc_mode; /* format of video data for the usb isoc-transfer */ | |
381 | unsigned int nr; /* Number of the device */ | |
382 | ||
383 | /* Device structure */ | |
384 | struct usb_device *dev; | |
385 | /* usb transfer */ | |
386 | int num_alt; /* Number of alternative settings */ | |
387 | unsigned int *alt_max_pkt_size; /* array of max_packet_size */ | |
388 | unsigned char iface; /* Video interface number */ | |
389 | unsigned char iface_alt; /* Alt settings */ | |
390 | unsigned char vin_reg2_preset; | |
391 | struct mutex v4l2_lock; | |
392 | int power; /* is the device powered on? */ | |
393 | int user; /* user count for exclusive use */ | |
394 | int initialized; /* Had we already sent init sequence? */ | |
395 | int dev_model; /* What type of USBVISION device we got? */ | |
396 | enum stream_state streaming; /* Are we streaming Isochronous? */ | |
397 | int last_error; /* What calamity struck us? */ | |
398 | int curwidth; /* width of the frame the device is currently set to*/ | |
399 | int curheight; /* height of the frame the device is currently set to*/ | |
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 */ | |
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 */ | |
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 */ | |
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; | |
422 | enum isoc_state isocstate; | |
423 | struct usbvision_v4l2_format_st palette; | |
424 | ||
425 | struct v4l2_capability vcap; /* Video capabilities */ | |
426 | unsigned int ctl_input; /* selected input */ | |
427 | v4l2_std_id tvnorm_id; /* selected tv norm */ | |
428 | unsigned char video_endp; /* 0x82 for USBVISION devices based */ | |
429 | ||
430 | /* Decompression stuff: */ | |
431 | unsigned char *intra_frame_buffer; /* Buffer for reference frame */ | |
432 | int block_pos; /* for test only */ | |
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 */ | |
439 | int usb_bandwidth; /* Mbit/s */ | |
440 | ||
441 | /* Statistics that can be overlayed on the screen */ | |
442 | unsigned long isoc_urb_count; /* How many URBs we received so far */ | |
443 | unsigned long urb_length; /* Length of last URB */ | |
444 | unsigned long isoc_data_count; /* How many bytes we received */ | |
445 | unsigned long header_count; /* How many frame headers we found */ | |
446 | unsigned long scratch_ovf_count; /* How many times we overflowed scratch */ | |
447 | unsigned long isoc_skip_count; /* How many empty ISO packets received */ | |
448 | unsigned long isoc_err_count; /* How many bad ISO packets received */ | |
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 */ | |
451 | int isoc_measure_bandwidth_count; | |
452 | int frame_num; /* How many video frames we send to user */ | |
453 | int max_strip_len; /* How big is the biggest strip */ | |
454 | int comprblock_pos; | |
455 | int strip_len_errors; /* How many times was block_pos greater than strip_len */ | |
456 | int strip_magic_errors; | |
457 | int strip_line_number_errors; | |
458 | int compr_block_types[4]; | |
459 | }; | |
460 | ||
461 | static 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 | ||
466 | #define call_all(usbvision, o, f, args...) \ | |
467 | v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args) | |
468 | ||
469 | /* --------------------------------------------------------------- */ | |
470 | /* defined in usbvision-i2c.c */ | |
471 | /* i2c-algo-usb declaration */ | |
472 | /* --------------------------------------------------------------- */ | |
473 | ||
474 | /* ----------------------------------------------------------------------- */ | |
475 | /* usbvision specific I2C functions */ | |
476 | /* ----------------------------------------------------------------------- */ | |
477 | int usbvision_i2c_register(struct usb_usbvision *usbvision); | |
478 | int usbvision_i2c_unregister(struct usb_usbvision *usbvision); | |
479 | ||
480 | /* defined in usbvision-core.c */ | |
481 | int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); | |
482 | int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, | |
483 | unsigned char value); | |
484 | ||
485 | int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames); | |
486 | void usbvision_frames_free(struct usb_usbvision *usbvision); | |
487 | int usbvision_scratch_alloc(struct usb_usbvision *usbvision); | |
488 | void usbvision_scratch_free(struct usb_usbvision *usbvision); | |
489 | int usbvision_decompress_alloc(struct usb_usbvision *usbvision); | |
490 | void usbvision_decompress_free(struct usb_usbvision *usbvision); | |
491 | ||
492 | int usbvision_setup(struct usb_usbvision *usbvision, int format); | |
493 | int usbvision_init_isoc(struct usb_usbvision *usbvision); | |
494 | int usbvision_restart_isoc(struct usb_usbvision *usbvision); | |
495 | void usbvision_stop_isoc(struct usb_usbvision *usbvision); | |
496 | int usbvision_set_alternate(struct usb_usbvision *dev); | |
497 | ||
498 | int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel); | |
499 | int usbvision_audio_off(struct usb_usbvision *usbvision); | |
500 | ||
501 | int usbvision_begin_streaming(struct usb_usbvision *usbvision); | |
502 | void usbvision_empty_framequeues(struct usb_usbvision *dev); | |
503 | int usbvision_stream_interrupt(struct usb_usbvision *dev); | |
504 | ||
505 | int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); | |
506 | int usbvision_set_input(struct usb_usbvision *usbvision); | |
507 | int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); | |
508 | ||
509 | int usbvision_power_off(struct usb_usbvision *usbvision); | |
510 | int usbvision_power_on(struct usb_usbvision *usbvision); | |
511 | ||
512 | #endif /* __LINUX_USBVISION_H */ |