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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 | ||
161 | enum { | |
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 |
228 | enum ScanState { |
229 | ScanState_Scanning, /* Scanning for header */ | |
230 | ScanState_Lines /* Parsing lines */ | |
231 | }; | |
232 | ||
233 | /* Completion states of the data parser */ | |
234 | enum 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 | ||
241 | enum 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 */ |
251 | enum 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 |
258 | enum IsocState { |
259 | IsocState_InFrame, /* Isoc packet is member of frame */ | |
260 | IsocState_NoFrame, /* Isoc packet is not member of any frame */ | |
261 | }; | |
262 | ||
263 | struct usb_device; | |
264 | ||
265 | struct 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 | 279 | struct 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 | ||
288 | struct 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 */ |
306 | struct usbvision_tvnorm { | |
307 | char *name; | |
308 | v4l2_std_id id; | |
309 | /* mode for saa7113h */ | |
310 | int mode; | |
311 | }; | |
312 | ||
781aa1d1 MCC |
313 | struct 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 | 344 | struct usbvision_device_data_st { |
f2242ee5 | 345 | __u64 VideoNorm; |
c682b3a7 TP |
346 | const char *ModelString; |
347 | int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */ | |
348 | __u16 Codec; | |
349 | unsigned VideoChannels:3; | |
350 | unsigned AudioChannels:2; | |
351 | unsigned Radio:1; | |
352 | unsigned vbi:1; | |
353 | unsigned Tuner:1; | |
354 | unsigned Vin_Reg1_override:1; /* Override default value with */ | |
355 | unsigned Vin_Reg2_override:1; /* Vin_Reg1, Vin_Reg2, etc. */ | |
356 | unsigned Dvi_yuv_override:1; | |
357 | __u8 Vin_Reg1; | |
358 | __u8 Vin_Reg2; | |
359 | __u8 Dvi_yuv; | |
360 | __u8 TunerType; | |
361 | __s16 X_Offset; | |
362 | __s16 Y_Offset; | |
781aa1d1 MCC |
363 | }; |
364 | ||
6714b012 MCC |
365 | /* Declared on usbvision-cards.c */ |
366 | extern struct usbvision_device_data_st usbvision_device_data[]; | |
367 | extern struct usb_device_id usbvision_table[]; | |
781aa1d1 MCC |
368 | |
369 | struct usb_usbvision { | |
370 | struct video_device *vdev; /* Video Device */ | |
371 | struct video_device *rdev; /* Radio Device */ | |
372 | struct video_device *vbi; /* VBI Device */ | |
781aa1d1 MCC |
373 | |
374 | /* i2c Declaration Section*/ | |
375 | struct i2c_adapter i2c_adap; | |
781aa1d1 | 376 | struct i2c_client i2c_client; |
781aa1d1 MCC |
377 | |
378 | struct urb *ctrlUrb; | |
379 | unsigned char ctrlUrbBuffer[8]; | |
380 | int ctrlUrbBusy; | |
381 | struct usb_ctrlrequest ctrlUrbSetup; | |
382 | wait_queue_head_t ctrlUrb_wq; // Processes waiting | |
383 | struct semaphore ctrlUrbLock; | |
384 | ||
483dfdb6 | 385 | /* configuration part */ |
781aa1d1 MCC |
386 | int have_tuner; |
387 | int tuner_type; | |
957883d0 | 388 | int tuner_addr; |
781aa1d1 MCC |
389 | int bridgeType; // NT1003, NT1004, NT1005 |
390 | int channel; | |
391 | int radio; | |
392 | int video_inputs; // # of inputs | |
393 | unsigned long freq; | |
394 | int AudioMute; | |
395 | int AudioChannel; | |
396 | int isocMode; // format of video data for the usb isoc-transfer | |
483dfdb6 | 397 | unsigned int nr; // Number of the device |
781aa1d1 MCC |
398 | |
399 | /* Device structure */ | |
400 | struct usb_device *dev; | |
2a9f8b5d TM |
401 | /* usb transfer */ |
402 | int num_alt; /* Number of alternative settings */ | |
403 | unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */ | |
781aa1d1 | 404 | unsigned char iface; /* Video interface number */ |
2a9f8b5d | 405 | unsigned char ifaceAlt; /* Alt settings */ |
781aa1d1 MCC |
406 | unsigned char Vin_Reg2_Preset; |
407 | struct semaphore lock; | |
408 | struct timer_list powerOffTimer; | |
409 | struct work_struct powerOffWork; | |
410 | int power; /* is the device powered on? */ | |
411 | int user; /* user count for exclusive use */ | |
781aa1d1 MCC |
412 | int initialized; /* Had we already sent init sequence? */ |
413 | int DevModel; /* What type of USBVISION device we got? */ | |
f2242ee5 | 414 | enum StreamState streaming; /* Are we streaming Isochronous? */ |
781aa1d1 MCC |
415 | int last_error; /* What calamity struck us? */ |
416 | int curwidth; /* width of the frame the device is currently set to*/ | |
417 | int curheight; /* height of the frame the device is currently set to*/ | |
418 | int stretch_width; /* stretch-factor for frame width (from usb to screen)*/ | |
419 | int stretch_height; /* stretch-factor for frame height (from usb to screen)*/ | |
420 | char *fbuf; /* Videodev buffer area for mmap*/ | |
421 | int max_frame_size; /* Bytes in one video frame */ | |
422 | int fbuf_size; /* Videodev buffer size */ | |
f2242ee5 TM |
423 | spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */ |
424 | struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */ | |
425 | wait_queue_head_t wait_frame; /* Processes waiting */ | |
426 | wait_queue_head_t wait_stream; /* Processes waiting */ | |
781aa1d1 MCC |
427 | struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header |
428 | struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer | |
6f78e186 | 429 | int num_frames; // number of frames allocated |
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 | ||
483dfdb6 TM |
485 | int usbvision_i2c_usb_del_bus(struct i2c_adapter *); |
486 | ||
483dfdb6 TM |
487 | |
488 | /* ----------------------------------------------------------------------- */ | |
489 | /* usbvision specific I2C functions */ | |
490 | /* ----------------------------------------------------------------------- */ | |
491 | int usbvision_init_i2c(struct usb_usbvision *usbvision); | |
492 | void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg); | |
493 | ||
494 | /* defined in usbvision-core.c */ | |
483dfdb6 TM |
495 | int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); |
496 | int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, | |
497 | unsigned char value); | |
498 | ||
6f78e186 | 499 | int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames); |
483dfdb6 TM |
500 | void usbvision_frames_free(struct usb_usbvision *usbvision); |
501 | int usbvision_scratch_alloc(struct usb_usbvision *usbvision); | |
502 | void usbvision_scratch_free(struct usb_usbvision *usbvision); | |
483dfdb6 TM |
503 | int usbvision_decompress_alloc(struct usb_usbvision *usbvision); |
504 | void usbvision_decompress_free(struct usb_usbvision *usbvision); | |
505 | ||
506 | int usbvision_setup(struct usb_usbvision *usbvision,int format); | |
507 | int usbvision_init_isoc(struct usb_usbvision *usbvision); | |
508 | int usbvision_restart_isoc(struct usb_usbvision *usbvision); | |
509 | void usbvision_stop_isoc(struct usb_usbvision *usbvision); | |
2a9f8b5d | 510 | int usbvision_set_alternate(struct usb_usbvision *dev); |
483dfdb6 TM |
511 | |
512 | int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel); | |
513 | int usbvision_audio_off(struct usb_usbvision *usbvision); | |
514 | ||
515 | int usbvision_begin_streaming(struct usb_usbvision *usbvision); | |
516 | void usbvision_empty_framequeues(struct usb_usbvision *dev); | |
517 | int usbvision_stream_interrupt(struct usb_usbvision *dev); | |
518 | ||
519 | int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); | |
520 | int usbvision_set_input(struct usb_usbvision *usbvision); | |
521 | int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); | |
522 | ||
523 | void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision); | |
524 | void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision); | |
525 | void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision); | |
526 | int usbvision_power_off(struct usb_usbvision *usbvision); | |
527 | int usbvision_power_on(struct usb_usbvision *usbvision); | |
528 | ||
781aa1d1 MCC |
529 | #endif /* __LINUX_USBVISION_H */ |
530 | ||
f2242ee5 TM |
531 | /* |
532 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
533 | * --------------------------------------------------------------------------- | |
534 | * Local variables: | |
535 | * c-basic-offset: 8 | |
536 | * End: | |
537 | */ |