Commit | Line | Data |
---|---|---|
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. | |
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> |
289d4d2f | 37 | #include <linux/mutex.h> |
1df79537 | 38 | #include <media/v4l2-device.h> |
fd95870d | 39 | #include <media/v4l2-ctrls.h> |
483dfdb6 TM |
40 | #include <media/tuner.h> |
41 | #include <linux/videodev2.h> | |
781aa1d1 | 42 | |
c876a346 TM |
43 | #define USBVISION_DEBUG /* Turn on debug messages */ |
44 | ||
781aa1d1 MCC |
45 | #define USBVISION_PWR_REG 0x00 |
46 | #define USBVISION_SSPND_EN (1 << 1) | |
47 | #define USBVISION_RES2 (1 << 2) | |
48 | #define USBVISION_PWR_VID (1 << 5) | |
f2242ee5 | 49 | #define USBVISION_E2_EN (1 << 7) |
781aa1d1 MCC |
50 | #define USBVISION_CONFIG_REG 0x01 |
51 | #define USBVISION_ADRS_REG 0x02 | |
52 | #define USBVISION_ALTER_REG 0x03 | |
53 | #define USBVISION_FORCE_ALTER_REG 0x04 | |
54 | #define USBVISION_STATUS_REG 0x05 | |
55 | #define USBVISION_IOPIN_REG 0x06 | |
56 | #define USBVISION_IO_1 (1 << 0) | |
57 | #define USBVISION_IO_2 (1 << 1) | |
58 | #define USBVISION_AUDIO_IN 0 | |
59 | #define USBVISION_AUDIO_TV 1 | |
60 | #define USBVISION_AUDIO_RADIO 2 | |
61 | #define USBVISION_AUDIO_MUTE 3 | |
62 | #define USBVISION_SER_MODE 0x07 | |
240d57bb OZ |
63 | #define USBVISION_CLK_OUT (1 << 0) |
64 | #define USBVISION_DAT_IO (1 << 1) | |
65 | #define USBVISION_SENS_OUT (1 << 2) | |
66 | #define USBVISION_SER_MODE_SOFT (0 << 4) | |
67 | #define USBVISION_SER_MODE_SIO (1 << 4) | |
781aa1d1 MCC |
68 | #define USBVISION_SER_ADRS 0x08 |
69 | #define USBVISION_SER_CONT 0x09 | |
70 | #define USBVISION_SER_DAT1 0x0A | |
71 | #define USBVISION_SER_DAT2 0x0B | |
72 | #define USBVISION_SER_DAT3 0x0C | |
73 | #define USBVISION_SER_DAT4 0x0D | |
74 | #define USBVISION_EE_DATA 0x0E | |
75 | #define USBVISION_EE_LSBAD 0x0F | |
76 | #define USBVISION_EE_CONT 0x10 | |
77 | #define USBVISION_DRM_CONT 0x12 | |
78 | #define USBVISION_REF (1 << 0) | |
79 | #define USBVISION_RES_UR (1 << 2) | |
80 | #define USBVISION_RES_FDL (1 << 3) | |
81 | #define USBVISION_RES_VDW (1 << 4) | |
82 | #define USBVISION_DRM_PRM1 0x13 | |
83 | #define USBVISION_DRM_PRM2 0x14 | |
84 | #define USBVISION_DRM_PRM3 0x15 | |
85 | #define USBVISION_DRM_PRM4 0x16 | |
86 | #define USBVISION_DRM_PRM5 0x17 | |
87 | #define USBVISION_DRM_PRM6 0x18 | |
88 | #define USBVISION_DRM_PRM7 0x19 | |
89 | #define USBVISION_DRM_PRM8 0x1A | |
90 | #define USBVISION_VIN_REG1 0x1B | |
91 | #define USBVISION_8_422_SYNC 0x01 | |
92 | #define USBVISION_16_422_SYNC 0x02 | |
93 | #define USBVISION_VSNC_POL (1 << 3) | |
94 | #define USBVISION_HSNC_POL (1 << 4) | |
95 | #define USBVISION_FID_POL (1 << 5) | |
96 | #define USBVISION_HVALID_PO (1 << 6) | |
97 | #define USBVISION_VCLK_POL (1 << 7) | |
98 | #define USBVISION_VIN_REG2 0x1C | |
99 | #define USBVISION_AUTO_FID (1 << 0) | |
100 | #define USBVISION_NONE_INTER (1 << 1) | |
101 | #define USBVISION_NOHVALID (1 << 2) | |
102 | #define USBVISION_UV_ID (1 << 3) | |
103 | #define USBVISION_FIX_2C (1 << 4) | |
104 | #define USBVISION_SEND_FID (1 << 5) | |
105 | #define USBVISION_KEEP_BLANK (1 << 7) | |
106 | #define USBVISION_LXSIZE_I 0x1D | |
107 | #define USBVISION_MXSIZE_I 0x1E | |
108 | #define USBVISION_LYSIZE_I 0x1F | |
109 | #define USBVISION_MYSIZE_I 0x20 | |
110 | #define USBVISION_LX_OFFST 0x21 | |
111 | #define USBVISION_MX_OFFST 0x22 | |
112 | #define USBVISION_LY_OFFST 0x23 | |
113 | #define USBVISION_MY_OFFST 0x24 | |
114 | #define USBVISION_FRM_RATE 0x25 | |
115 | #define USBVISION_LXSIZE_O 0x26 | |
116 | #define USBVISION_MXSIZE_O 0x27 | |
117 | #define USBVISION_LYSIZE_O 0x28 | |
118 | #define USBVISION_MYSIZE_O 0x29 | |
119 | #define USBVISION_FILT_CONT 0x2A | |
120 | #define USBVISION_VO_MODE 0x2B | |
121 | #define USBVISION_INTRA_CYC 0x2C | |
122 | #define USBVISION_STRIP_SZ 0x2D | |
123 | #define USBVISION_FORCE_INTRA 0x2E | |
124 | #define USBVISION_FORCE_UP 0x2F | |
125 | #define USBVISION_BUF_THR 0x30 | |
126 | #define USBVISION_DVI_YUV 0x31 | |
127 | #define USBVISION_AUDIO_CONT 0x32 | |
128 | #define USBVISION_AUD_PK_LEN 0x33 | |
129 | #define USBVISION_BLK_PK_LEN 0x34 | |
130 | #define USBVISION_PCM_THR1 0x38 | |
131 | #define USBVISION_PCM_THR2 0x39 | |
132 | #define USBVISION_DIST_THR_L 0x3A | |
133 | #define USBVISION_DIST_THR_H 0x3B | |
134 | #define USBVISION_MAX_DIST_L 0x3C | |
135 | #define USBVISION_MAX_DIST_H 0x3D | |
136 | #define USBVISION_OP_CODE 0x33 | |
137 | ||
138 | #define MAX_BYTES_PER_PIXEL 4 | |
139 | ||
140 | #define MIN_FRAME_WIDTH 64 | |
52cb0bf2 HV |
141 | #define MAX_USB_WIDTH 320 /* 384 */ |
142 | #define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/ | |
781aa1d1 MCC |
143 | |
144 | #define MIN_FRAME_HEIGHT 48 | |
52cb0bf2 HV |
145 | #define MAX_USB_HEIGHT 240 /* 288 */ |
146 | #define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching sometimes causes crashes*/ | |
781aa1d1 | 147 | |
6d6a48e5 | 148 | #define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL) |
52cb0bf2 | 149 | #define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */ |
781aa1d1 MCC |
150 | |
151 | #define USBVISION_URB_FRAMES 32 | |
781aa1d1 MCC |
152 | |
153 | #define USBVISION_NUM_HEADERMARKER 20 | |
483dfdb6 TM |
154 | #define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */ |
155 | #define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */ | |
781aa1d1 | 156 | |
6d6a48e5 | 157 | #define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */ |
781aa1d1 | 158 | |
483dfdb6 TM |
159 | |
160 | #define FRAMERATE_MIN 0 | |
161 | #define FRAMERATE_MAX 31 | |
162 | ||
163 | enum { | |
164 | ISOC_MODE_YUV422 = 0x03, | |
165 | ISOC_MODE_YUV420 = 0x14, | |
166 | ISOC_MODE_COMPRESS = 0x60, | |
167 | }; | |
168 | ||
781aa1d1 | 169 | /* This macro restricts an int variable to an inclusive range */ |
6d6a48e5 | 170 | #define RESTRICT_TO_RANGE(v, mi, ma) \ |
534d0326 | 171 | { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } |
781aa1d1 MCC |
172 | |
173 | /* | |
174 | * We use macros to do YUV -> RGB conversion because this is | |
175 | * very important for speed and totally unimportant for size. | |
176 | * | |
177 | * YUV -> RGB Conversion | |
178 | * --------------------- | |
179 | * | |
180 | * B = 1.164*(Y-16) + 2.018*(V-128) | |
181 | * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128) | |
182 | * R = 1.164*(Y-16) + 1.596*(U-128) | |
183 | * | |
184 | * If you fancy integer arithmetics (as you should), hear this: | |
185 | * | |
186 | * 65536*B = 76284*(Y-16) + 132252*(V-128) | |
187 | * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128) | |
188 | * 65536*R = 76284*(Y-16) + 104595*(U-128) | |
189 | * | |
190 | * Make sure the output values are within [0..255] range. | |
191 | */ | |
192 | #define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x))) | |
6d6a48e5 HV |
193 | #define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \ |
194 | int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \ | |
195 | mm_y = (my) - 16; \ | |
196 | mm_u = (mu) - 128; \ | |
197 | mm_v = (mv) - 128; \ | |
198 | mm_yc = mm_y * 76284; \ | |
199 | mm_b = (mm_yc + 132252 * mm_v) >> 16; \ | |
200 | mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \ | |
201 | mm_r = (mm_yc + 104595 * mm_u) >> 16; \ | |
202 | mb = LIMIT_RGB(mm_b); \ | |
203 | mg = LIMIT_RGB(mm_g); \ | |
204 | mr = LIMIT_RGB(mm_r); \ | |
781aa1d1 MCC |
205 | } |
206 | ||
781aa1d1 MCC |
207 | /* |
208 | * This macro checks if usbvision is still operational. The 'usbvision' | |
209 | * pointer must be valid, usbvision->dev must be valid, we are not | |
210 | * removing the device and the device has not erred on us. | |
211 | */ | |
212 | #define USBVISION_IS_OPERATIONAL(udevice) (\ | |
213 | (udevice != NULL) && \ | |
214 | ((udevice)->dev != NULL) && \ | |
215 | ((udevice)->last_error == 0) && \ | |
216 | (!(udevice)->remove_pending)) | |
217 | ||
483dfdb6 TM |
218 | #define I2C_USB_ADAP_MAX 16 |
219 | ||
c5f48367 TM |
220 | #define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M) |
221 | ||
483dfdb6 TM |
222 | /* ----------------------------------------------------------------- */ |
223 | /* usbvision video structures */ | |
224 | /* ----------------------------------------------------------------- */ | |
5490a7cb HV |
225 | enum scan_state { |
226 | scan_state_scanning, /* Scanning for header */ | |
227 | scan_state_lines /* Parsing lines */ | |
781aa1d1 MCC |
228 | }; |
229 | ||
230 | /* Completion states of the data parser */ | |
5490a7cb HV |
231 | enum parse_state { |
232 | parse_state_continue, /* Just parse next item */ | |
233 | parse_state_next_frame, /* Frame done, send it to V4L */ | |
234 | parse_state_out, /* Not enough data for frame */ | |
235 | parse_state_end_parse /* End parsing */ | |
781aa1d1 MCC |
236 | }; |
237 | ||
5490a7cb HV |
238 | enum frame_state { |
239 | frame_state_unused, /* Unused (no MCAPTURE) */ | |
240 | frame_state_ready, /* Ready to start grabbing */ | |
241 | frame_state_grabbing, /* In the process of being grabbed into */ | |
242 | frame_state_done, /* Finished grabbing, but not been synced yet */ | |
243 | frame_state_done_hold, /* Are syncing or reading */ | |
244 | frame_state_error, /* Something bad happened while processing */ | |
781aa1d1 MCC |
245 | }; |
246 | ||
f2242ee5 | 247 | /* stream states */ |
5490a7cb HV |
248 | enum stream_state { |
249 | stream_off, /* Driver streaming is completely OFF */ | |
250 | stream_idle, /* Driver streaming is ready to be put ON by the application */ | |
251 | stream_interrupt, /* Driver streaming must be interrupted */ | |
252 | stream_on, /* Driver streaming is put ON by the application */ | |
f2242ee5 TM |
253 | }; |
254 | ||
5490a7cb HV |
255 | enum isoc_state { |
256 | isoc_state_in_frame, /* Isoc packet is member of frame */ | |
257 | isoc_state_no_frame, /* Isoc packet is not member of any frame */ | |
781aa1d1 MCC |
258 | }; |
259 | ||
260 | struct usb_device; | |
261 | ||
262 | struct usbvision_sbuf { | |
263 | char *data; | |
264 | struct urb *urb; | |
265 | }; | |
266 | ||
6d6a48e5 HV |
267 | #define USBVISION_MAGIC_1 0x55 |
268 | #define USBVISION_MAGIC_2 0xAA | |
781aa1d1 MCC |
269 | #define USBVISION_HEADER_LENGTH 0x0c |
270 | #define USBVISION_SAA7111_ADDR 0x48 | |
271 | #define USBVISION_SAA7113_ADDR 0x4a | |
272 | #define USBVISION_IIC_LRACK 0x20 | |
273 | #define USBVISION_IIC_LRNACK 0x30 | |
274 | #define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7) | |
275 | ||
6714b012 | 276 | struct usbvision_v4l2_format_st { |
781aa1d1 MCC |
277 | int supported; |
278 | int bytes_per_pixel; | |
279 | int depth; | |
280 | int format; | |
281 | char *desc; | |
781aa1d1 MCC |
282 | }; |
283 | #define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format) | |
284 | ||
285 | struct usbvision_frame_header { | |
286 | unsigned char magic_1; /* 0 magic */ | |
287 | unsigned char magic_2; /* 1 magic */ | |
5490a7cb | 288 | unsigned char header_length; /* 2 */ |
52cb0bf2 | 289 | unsigned char frame_num; /* 3 */ |
5490a7cb HV |
290 | unsigned char frame_phase; /* 4 */ |
291 | unsigned char frame_latency; /* 5 */ | |
292 | unsigned char data_format; /* 6 */ | |
293 | unsigned char format_param; /* 7 */ | |
294 | unsigned char frame_width_lo; /* 8 */ | |
295 | unsigned char frame_width_hi; /* 9 */ | |
296 | unsigned char frame_height_lo; /* 10 */ | |
297 | unsigned char frame_height_hi; /* 11 */ | |
298 | __u16 frame_width; /* 8 - 9 after endian correction*/ | |
299 | __u16 frame_height; /* 10 - 11 after endian correction*/ | |
781aa1d1 MCC |
300 | }; |
301 | ||
302 | struct usbvision_frame { | |
303 | char *data; /* Frame buffer */ | |
5490a7cb | 304 | struct usbvision_frame_header isoc_header; /* Header from stream */ |
781aa1d1 MCC |
305 | |
306 | int width; /* Width application is expecting */ | |
307 | int height; /* Height */ | |
f2242ee5 | 308 | int index; /* Frame index */ |
781aa1d1 MCC |
309 | int frmwidth; /* Width the frame actually is */ |
310 | int frmheight; /* Height */ | |
311 | ||
312 | volatile int grabstate; /* State of grabbing */ | |
313 | int scanstate; /* State of scanning */ | |
314 | ||
f2242ee5 TM |
315 | struct list_head frame; |
316 | ||
781aa1d1 MCC |
317 | int curline; /* Line of frame we're working on */ |
318 | ||
319 | long scanlength; /* uncompressed, raw data length of frame */ | |
320 | long bytes_read; /* amount of scanlength that has been read from data */ | |
321 | struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/ | |
322 | int v4l2_linesize; /* bytes for one videoline*/ | |
f2242ee5 | 323 | struct timeval timestamp; |
52cb0bf2 | 324 | int sequence; /* How many video frames we send to user */ |
781aa1d1 MCC |
325 | }; |
326 | ||
327 | #define CODEC_SAA7113 7113 | |
328 | #define CODEC_SAA7111 7111 | |
240d57bb | 329 | #define CODEC_WEBCAM 3000 |
781aa1d1 MCC |
330 | #define BRIDGE_NT1003 1003 |
331 | #define BRIDGE_NT1004 1004 | |
332 | #define BRIDGE_NT1005 1005 | |
333 | ||
6714b012 | 334 | struct usbvision_device_data_st { |
5490a7cb HV |
335 | __u64 video_norm; |
336 | const char *model_string; | |
337 | int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */ | |
338 | __u16 codec; | |
339 | unsigned video_channels:3; | |
340 | unsigned audio_channels:2; | |
341 | unsigned radio:1; | |
c682b3a7 | 342 | unsigned vbi:1; |
5490a7cb HV |
343 | unsigned tuner:1; |
344 | unsigned vin_reg1_override:1; /* Override default value with */ | |
345 | unsigned vin_reg2_override:1; /* vin_reg1, vin_reg2, etc. */ | |
346 | unsigned dvi_yuv_override:1; | |
347 | __u8 vin_reg1; | |
348 | __u8 vin_reg2; | |
349 | __u8 dvi_yuv; | |
350 | __u8 tuner_type; | |
351 | __s16 x_offset; | |
352 | __s16 y_offset; | |
781aa1d1 MCC |
353 | }; |
354 | ||
6714b012 MCC |
355 | /* Declared on usbvision-cards.c */ |
356 | extern struct usbvision_device_data_st usbvision_device_data[]; | |
357 | extern struct usb_device_id usbvision_table[]; | |
781aa1d1 MCC |
358 | |
359 | struct usb_usbvision { | |
1df79537 | 360 | struct v4l2_device v4l2_dev; |
fd95870d | 361 | struct v4l2_ctrl_handler hdl; |
2aa689dd HV |
362 | struct video_device vdev; /* Video Device */ |
363 | struct video_device rdev; /* Radio Device */ | |
781aa1d1 MCC |
364 | |
365 | /* i2c Declaration Section*/ | |
366 | struct i2c_adapter i2c_adap; | |
8403472f | 367 | int registered_i2c; |
781aa1d1 | 368 | |
5490a7cb HV |
369 | struct urb *ctrl_urb; |
370 | unsigned char ctrl_urb_buffer[8]; | |
371 | int ctrl_urb_busy; | |
372 | struct usb_ctrlrequest ctrl_urb_setup; | |
52cb0bf2 | 373 | wait_queue_head_t ctrl_urb_wq; /* Processes waiting */ |
781aa1d1 | 374 | |
483dfdb6 | 375 | /* configuration part */ |
781aa1d1 MCC |
376 | int have_tuner; |
377 | int tuner_type; | |
52cb0bf2 | 378 | int bridge_type; /* NT1003, NT1004, NT1005 */ |
781aa1d1 | 379 | int radio; |
52cb0bf2 | 380 | int video_inputs; /* # of inputs */ |
64d416ec HV |
381 | unsigned long radio_freq; |
382 | unsigned long tv_freq; | |
5490a7cb HV |
383 | int audio_mute; |
384 | int audio_channel; | |
52cb0bf2 HV |
385 | int isoc_mode; /* format of video data for the usb isoc-transfer */ |
386 | unsigned int nr; /* Number of the device */ | |
781aa1d1 MCC |
387 | |
388 | /* Device structure */ | |
389 | struct usb_device *dev; | |
2a9f8b5d TM |
390 | /* usb transfer */ |
391 | int num_alt; /* Number of alternative settings */ | |
5490a7cb | 392 | unsigned int *alt_max_pkt_size; /* array of max_packet_size */ |
781aa1d1 | 393 | unsigned char iface; /* Video interface number */ |
52cb0bf2 | 394 | unsigned char iface_alt; /* Alt settings */ |
5490a7cb | 395 | unsigned char vin_reg2_preset; |
c627b9d1 | 396 | struct mutex v4l2_lock; |
781aa1d1 MCC |
397 | int power; /* is the device powered on? */ |
398 | int user; /* user count for exclusive use */ | |
781aa1d1 | 399 | int initialized; /* Had we already sent init sequence? */ |
5490a7cb HV |
400 | int dev_model; /* What type of USBVISION device we got? */ |
401 | enum stream_state streaming; /* Are we streaming Isochronous? */ | |
781aa1d1 MCC |
402 | int last_error; /* What calamity struck us? */ |
403 | int curwidth; /* width of the frame the device is currently set to*/ | |
6d6a48e5 | 404 | int curheight; /* height of the frame the device is currently set to*/ |
781aa1d1 MCC |
405 | int stretch_width; /* stretch-factor for frame width (from usb to screen)*/ |
406 | int stretch_height; /* stretch-factor for frame height (from usb to screen)*/ | |
407 | char *fbuf; /* Videodev buffer area for mmap*/ | |
408 | int max_frame_size; /* Bytes in one video frame */ | |
409 | int fbuf_size; /* Videodev buffer size */ | |
f2242ee5 TM |
410 | spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */ |
411 | struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */ | |
412 | wait_queue_head_t wait_frame; /* Processes waiting */ | |
413 | wait_queue_head_t wait_stream; /* Processes waiting */ | |
52cb0bf2 HV |
414 | struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */ |
415 | struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */ | |
416 | int num_frames; /* number of frames allocated */ | |
417 | struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */ | |
781aa1d1 MCC |
418 | volatile int remove_pending; /* If set then about to exit */ |
419 | ||
420 | /* Scratch space from the Isochronous Pipe.*/ | |
421 | unsigned char *scratch; | |
422 | int scratch_read_ptr; | |
423 | int scratch_write_ptr; | |
424 | int scratch_headermarker[USBVISION_NUM_HEADERMARKER]; | |
425 | int scratch_headermarker_read_ptr; | |
426 | int scratch_headermarker_write_ptr; | |
5490a7cb | 427 | enum isoc_state isocstate; |
781aa1d1 MCC |
428 | struct usbvision_v4l2_format_st palette; |
429 | ||
430 | struct v4l2_capability vcap; /* Video capabilities */ | |
f2242ee5 | 431 | unsigned int ctl_input; /* selected input */ |
5490a7cb | 432 | v4l2_std_id tvnorm_id; /* selected tv norm */ |
781aa1d1 MCC |
433 | unsigned char video_endp; /* 0x82 for USBVISION devices based */ |
434 | ||
52cb0bf2 | 435 | /* Decompression stuff: */ |
5490a7cb | 436 | unsigned char *intra_frame_buffer; /* Buffer for reference frame */ |
6d6a48e5 | 437 | int block_pos; /* for test only */ |
52cb0bf2 HV |
438 | int request_intra; /* 0 = normal; 1 = intra frame is requested; */ |
439 | int last_isoc_frame_num; /* check for lost isoc frames */ | |
440 | int isoc_packet_size; /* need to calculate used_bandwidth */ | |
441 | int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */ | |
442 | int compr_level; /* How strong (100) or weak (0) is compression */ | |
443 | int last_compr_level; /* How strong (100) or weak (0) was compression */ | |
781aa1d1 MCC |
444 | int usb_bandwidth; /* Mbit/s */ |
445 | ||
781aa1d1 | 446 | /* Statistics that can be overlayed on the screen */ |
52cb0bf2 | 447 | unsigned long isoc_urb_count; /* How many URBs we received so far */ |
781aa1d1 | 448 | unsigned long urb_length; /* Length of last URB */ |
5490a7cb | 449 | unsigned long isoc_data_count; /* How many bytes we received */ |
781aa1d1 MCC |
450 | unsigned long header_count; /* How many frame headers we found */ |
451 | unsigned long scratch_ovf_count; /* How many times we overflowed scratch */ | |
5490a7cb HV |
452 | unsigned long isoc_skip_count; /* How many empty ISO packets received */ |
453 | unsigned long isoc_err_count; /* How many bad ISO packets received */ | |
52cb0bf2 HV |
454 | unsigned long isoc_packet_count; /* How many packets we totally got */ |
455 | unsigned long time_in_irq; /* How long do we need for interrupt */ | |
5490a7cb | 456 | int isoc_measure_bandwidth_count; |
52cb0bf2 HV |
457 | int frame_num; /* How many video frames we send to user */ |
458 | int max_strip_len; /* How big is the biggest strip */ | |
5490a7cb | 459 | int comprblock_pos; |
52cb0bf2 | 460 | int strip_len_errors; /* How many times was block_pos greater than strip_len */ |
5490a7cb HV |
461 | int strip_magic_errors; |
462 | int strip_line_number_errors; | |
463 | int compr_block_types[4]; | |
781aa1d1 MCC |
464 | }; |
465 | ||
aeb506aa HV |
466 | static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev) |
467 | { | |
468 | return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev); | |
469 | } | |
470 | ||
1df79537 HV |
471 | #define call_all(usbvision, o, f, args...) \ |
472 | v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args) | |
483dfdb6 TM |
473 | |
474 | /* --------------------------------------------------------------- */ | |
475 | /* defined in usbvision-i2c.c */ | |
476 | /* i2c-algo-usb declaration */ | |
477 | /* --------------------------------------------------------------- */ | |
478 | ||
483dfdb6 TM |
479 | /* ----------------------------------------------------------------------- */ |
480 | /* usbvision specific I2C functions */ | |
481 | /* ----------------------------------------------------------------------- */ | |
1ff16c20 TM |
482 | int usbvision_i2c_register(struct usb_usbvision *usbvision); |
483 | int usbvision_i2c_unregister(struct usb_usbvision *usbvision); | |
483dfdb6 TM |
484 | |
485 | /* defined in usbvision-core.c */ | |
483dfdb6 TM |
486 | int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); |
487 | int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, | |
488 | unsigned char value); | |
489 | ||
6f78e186 | 490 | int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames); |
483dfdb6 TM |
491 | void usbvision_frames_free(struct usb_usbvision *usbvision); |
492 | int usbvision_scratch_alloc(struct usb_usbvision *usbvision); | |
493 | void usbvision_scratch_free(struct usb_usbvision *usbvision); | |
483dfdb6 TM |
494 | int usbvision_decompress_alloc(struct usb_usbvision *usbvision); |
495 | void usbvision_decompress_free(struct usb_usbvision *usbvision); | |
496 | ||
6d6a48e5 | 497 | int usbvision_setup(struct usb_usbvision *usbvision, int format); |
483dfdb6 TM |
498 | int usbvision_init_isoc(struct usb_usbvision *usbvision); |
499 | int usbvision_restart_isoc(struct usb_usbvision *usbvision); | |
500 | void usbvision_stop_isoc(struct usb_usbvision *usbvision); | |
2a9f8b5d | 501 | int usbvision_set_alternate(struct usb_usbvision *dev); |
483dfdb6 | 502 | |
5490a7cb | 503 | int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel); |
483dfdb6 TM |
504 | int usbvision_audio_off(struct usb_usbvision *usbvision); |
505 | ||
506 | int usbvision_begin_streaming(struct usb_usbvision *usbvision); | |
507 | void usbvision_empty_framequeues(struct usb_usbvision *dev); | |
508 | int usbvision_stream_interrupt(struct usb_usbvision *dev); | |
509 | ||
510 | int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); | |
511 | int usbvision_set_input(struct usb_usbvision *usbvision); | |
512 | int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); | |
513 | ||
483dfdb6 TM |
514 | int usbvision_power_off(struct usb_usbvision *usbvision); |
515 | int usbvision_power_on(struct usb_usbvision *usbvision); | |
516 | ||
781aa1d1 | 517 | #endif /* __LINUX_USBVISION_H */ |