diff options
Diffstat (limited to 'drivers/media/video/usbvision/usbvision.h')
-rw-r--r-- | drivers/media/video/usbvision/usbvision.h | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h new file mode 100644 index 00000000000..43cf61fe494 --- /dev/null +++ b/drivers/media/video/usbvision/usbvision.h | |||
@@ -0,0 +1,535 @@ | |||
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 | * 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> | ||
35 | #include <linux/usb.h> | ||
36 | #include <linux/i2c.h> | ||
37 | #include <linux/mutex.h> | ||
38 | #include <media/v4l2-device.h> | ||
39 | #include <media/tuner.h> | ||
40 | #include <linux/videodev2.h> | ||
41 | |||
42 | #define USBVISION_DEBUG /* Turn on debug messages */ | ||
43 | |||
44 | #define USBVISION_PWR_REG 0x00 | ||
45 | #define USBVISION_SSPND_EN (1 << 1) | ||
46 | #define USBVISION_RES2 (1 << 2) | ||
47 | #define USBVISION_PWR_VID (1 << 5) | ||
48 | #define USBVISION_E2_EN (1 << 7) | ||
49 | #define USBVISION_CONFIG_REG 0x01 | ||
50 | #define USBVISION_ADRS_REG 0x02 | ||
51 | #define USBVISION_ALTER_REG 0x03 | ||
52 | #define USBVISION_FORCE_ALTER_REG 0x04 | ||
53 | #define USBVISION_STATUS_REG 0x05 | ||
54 | #define USBVISION_IOPIN_REG 0x06 | ||
55 | #define USBVISION_IO_1 (1 << 0) | ||
56 | #define USBVISION_IO_2 (1 << 1) | ||
57 | #define USBVISION_AUDIO_IN 0 | ||
58 | #define USBVISION_AUDIO_TV 1 | ||
59 | #define USBVISION_AUDIO_RADIO 2 | ||
60 | #define USBVISION_AUDIO_MUTE 3 | ||
61 | #define USBVISION_SER_MODE 0x07 | ||
62 | #define USBVISION_CLK_OUT (1 << 0) | ||
63 | #define USBVISION_DAT_IO (1 << 1) | ||
64 | #define USBVISION_SENS_OUT (1 << 2) | ||
65 | #define USBVISION_SER_MODE_SOFT (0 << 4) | ||
66 | #define USBVISION_SER_MODE_SIO (1 << 4) | ||
67 | #define USBVISION_SER_ADRS 0x08 | ||
68 | #define USBVISION_SER_CONT 0x09 | ||
69 | #define USBVISION_SER_DAT1 0x0A | ||
70 | #define USBVISION_SER_DAT2 0x0B | ||
71 | #define USBVISION_SER_DAT3 0x0C | ||
72 | #define USBVISION_SER_DAT4 0x0D | ||
73 | #define USBVISION_EE_DATA 0x0E | ||
74 | #define USBVISION_EE_LSBAD 0x0F | ||
75 | #define USBVISION_EE_CONT 0x10 | ||
76 | #define USBVISION_DRM_CONT 0x12 | ||
77 | #define USBVISION_REF (1 << 0) | ||
78 | #define USBVISION_RES_UR (1 << 2) | ||
79 | #define USBVISION_RES_FDL (1 << 3) | ||
80 | #define USBVISION_RES_VDW (1 << 4) | ||
81 | #define USBVISION_DRM_PRM1 0x13 | ||
82 | #define USBVISION_DRM_PRM2 0x14 | ||
83 | #define USBVISION_DRM_PRM3 0x15 | ||
84 | #define USBVISION_DRM_PRM4 0x16 | ||
85 | #define USBVISION_DRM_PRM5 0x17 | ||
86 | #define USBVISION_DRM_PRM6 0x18 | ||
87 | #define USBVISION_DRM_PRM7 0x19 | ||
88 | #define USBVISION_DRM_PRM8 0x1A | ||
89 | #define USBVISION_VIN_REG1 0x1B | ||
90 | #define USBVISION_8_422_SYNC 0x01 | ||
91 | #define USBVISION_16_422_SYNC 0x02 | ||
92 | #define USBVISION_VSNC_POL (1 << 3) | ||
93 | #define USBVISION_HSNC_POL (1 << 4) | ||
94 | #define USBVISION_FID_POL (1 << 5) | ||
95 | #define USBVISION_HVALID_PO (1 << 6) | ||
96 | #define USBVISION_VCLK_POL (1 << 7) | ||
97 | #define USBVISION_VIN_REG2 0x1C | ||
98 | #define USBVISION_AUTO_FID (1 << 0) | ||
99 | #define USBVISION_NONE_INTER (1 << 1) | ||
100 | #define USBVISION_NOHVALID (1 << 2) | ||
101 | #define USBVISION_UV_ID (1 << 3) | ||
102 | #define USBVISION_FIX_2C (1 << 4) | ||
103 | #define USBVISION_SEND_FID (1 << 5) | ||
104 | #define USBVISION_KEEP_BLANK (1 << 7) | ||
105 | #define USBVISION_LXSIZE_I 0x1D | ||
106 | #define USBVISION_MXSIZE_I 0x1E | ||
107 | #define USBVISION_LYSIZE_I 0x1F | ||
108 | #define USBVISION_MYSIZE_I 0x20 | ||
109 | #define USBVISION_LX_OFFST 0x21 | ||
110 | #define USBVISION_MX_OFFST 0x22 | ||
111 | #define USBVISION_LY_OFFST 0x23 | ||
112 | #define USBVISION_MY_OFFST 0x24 | ||
113 | #define USBVISION_FRM_RATE 0x25 | ||
114 | #define USBVISION_LXSIZE_O 0x26 | ||
115 | #define USBVISION_MXSIZE_O 0x27 | ||
116 | #define USBVISION_LYSIZE_O 0x28 | ||
117 | #define USBVISION_MYSIZE_O 0x29 | ||
118 | #define USBVISION_FILT_CONT 0x2A | ||
119 | #define USBVISION_VO_MODE 0x2B | ||
120 | #define USBVISION_INTRA_CYC 0x2C | ||
121 | #define USBVISION_STRIP_SZ 0x2D | ||
122 | #define USBVISION_FORCE_INTRA 0x2E | ||
123 | #define USBVISION_FORCE_UP 0x2F | ||
124 | #define USBVISION_BUF_THR 0x30 | ||
125 | #define USBVISION_DVI_YUV 0x31 | ||
126 | #define USBVISION_AUDIO_CONT 0x32 | ||
127 | #define USBVISION_AUD_PK_LEN 0x33 | ||
128 | #define USBVISION_BLK_PK_LEN 0x34 | ||
129 | #define USBVISION_PCM_THR1 0x38 | ||
130 | #define USBVISION_PCM_THR2 0x39 | ||
131 | #define USBVISION_DIST_THR_L 0x3A | ||
132 | #define USBVISION_DIST_THR_H 0x3B | ||
133 | #define USBVISION_MAX_DIST_L 0x3C | ||
134 | #define USBVISION_MAX_DIST_H 0x3D | ||
135 | #define USBVISION_OP_CODE 0x33 | ||
136 | |||
137 | #define MAX_BYTES_PER_PIXEL 4 | ||
138 | |||
139 | #define MIN_FRAME_WIDTH 64 | ||
140 | #define MAX_USB_WIDTH 320 /* 384 */ | ||
141 | #define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/ | ||
142 | |||
143 | #define MIN_FRAME_HEIGHT 48 | ||
144 | #define MAX_USB_HEIGHT 240 /* 288 */ | ||
145 | #define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching sometimes causes crashes*/ | ||
146 | |||
147 | #define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL) | ||
148 | #define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */ | ||
149 | |||
150 | #define USBVISION_URB_FRAMES 32 | ||
151 | |||
152 | #define USBVISION_NUM_HEADERMARKER 20 | ||
153 | #define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */ | ||
154 | #define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */ | ||
155 | |||
156 | #define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */ | ||
157 | |||
158 | |||
159 | #define FRAMERATE_MIN 0 | ||
160 | #define FRAMERATE_MAX 31 | ||
161 | |||
162 | enum { | ||
163 | ISOC_MODE_YUV422 = 0x03, | ||
164 | ISOC_MODE_YUV420 = 0x14, | ||
165 | ISOC_MODE_COMPRESS = 0x60, | ||
166 | }; | ||
167 | |||
168 | /* This macro restricts an int variable to an inclusive range */ | ||
169 | #define RESTRICT_TO_RANGE(v, mi, ma) \ | ||
170 | { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } | ||
171 | |||
172 | /* | ||
173 | * We use macros to do YUV -> RGB conversion because this is | ||
174 | * very important for speed and totally unimportant for size. | ||
175 | * | ||
176 | * YUV -> RGB Conversion | ||
177 | * --------------------- | ||
178 | * | ||
179 | * B = 1.164*(Y-16) + 2.018*(V-128) | ||
180 | * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128) | ||
181 | * R = 1.164*(Y-16) + 1.596*(U-128) | ||
182 | * | ||
183 | * If you fancy integer arithmetics (as you should), hear this: | ||
184 | * | ||
185 | * 65536*B = 76284*(Y-16) + 132252*(V-128) | ||
186 | * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128) | ||
187 | * 65536*R = 76284*(Y-16) + 104595*(U-128) | ||
188 | * | ||
189 | * Make sure the output values are within [0..255] range. | ||
190 | */ | ||
191 | #define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x))) | ||
192 | #define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \ | ||
193 | int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \ | ||
194 | mm_y = (my) - 16; \ | ||
195 | mm_u = (mu) - 128; \ | ||
196 | mm_v = (mv) - 128; \ | ||
197 | mm_yc = mm_y * 76284; \ | ||
198 | mm_b = (mm_yc + 132252 * mm_v) >> 16; \ | ||
199 | mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \ | ||
200 | mm_r = (mm_yc + 104595 * mm_u) >> 16; \ | ||
201 | mb = LIMIT_RGB(mm_b); \ | ||
202 | mg = LIMIT_RGB(mm_g); \ | ||
203 | mr = LIMIT_RGB(mm_r); \ | ||
204 | } | ||
205 | |||
206 | /* Debugging aid */ | ||
207 | #define USBVISION_SAY_AND_WAIT(what) { \ | ||
208 | wait_queue_head_t wq; \ | ||
209 | init_waitqueue_head(&wq); \ | ||
210 | printk(KERN_INFO "Say: %s\n", what); \ | ||
211 | interruptible_sleep_on_timeout(&wq, HZ * 3); \ | ||
212 | } | ||
213 | |||
214 | /* | ||
215 | * This macro checks if usbvision is still operational. The 'usbvision' | ||
216 | * pointer must be valid, usbvision->dev must be valid, we are not | ||
217 | * removing the device and the device has not erred on us. | ||
218 | */ | ||
219 | #define USBVISION_IS_OPERATIONAL(udevice) (\ | ||
220 | (udevice != NULL) && \ | ||
221 | ((udevice)->dev != NULL) && \ | ||
222 | ((udevice)->last_error == 0) && \ | ||
223 | (!(udevice)->remove_pending)) | ||
224 | |||
225 | #define I2C_USB_ADAP_MAX 16 | ||
226 | |||
227 | #define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M) | ||
228 | |||
229 | /* ----------------------------------------------------------------- */ | ||
230 | /* usbvision video structures */ | ||
231 | /* ----------------------------------------------------------------- */ | ||
232 | enum scan_state { | ||
233 | scan_state_scanning, /* Scanning for header */ | ||
234 | scan_state_lines /* Parsing lines */ | ||
235 | }; | ||
236 | |||
237 | /* Completion states of the data parser */ | ||
238 | enum parse_state { | ||
239 | parse_state_continue, /* Just parse next item */ | ||
240 | parse_state_next_frame, /* Frame done, send it to V4L */ | ||
241 | parse_state_out, /* Not enough data for frame */ | ||
242 | parse_state_end_parse /* End parsing */ | ||
243 | }; | ||
244 | |||
245 | enum frame_state { | ||
246 | frame_state_unused, /* Unused (no MCAPTURE) */ | ||
247 | frame_state_ready, /* Ready to start grabbing */ | ||
248 | frame_state_grabbing, /* In the process of being grabbed into */ | ||
249 | frame_state_done, /* Finished grabbing, but not been synced yet */ | ||
250 | frame_state_done_hold, /* Are syncing or reading */ | ||
251 | frame_state_error, /* Something bad happened while processing */ | ||
252 | }; | ||
253 | |||
254 | /* stream states */ | ||
255 | enum stream_state { | ||
256 | stream_off, /* Driver streaming is completely OFF */ | ||
257 | stream_idle, /* Driver streaming is ready to be put ON by the application */ | ||
258 | stream_interrupt, /* Driver streaming must be interrupted */ | ||
259 | stream_on, /* Driver streaming is put ON by the application */ | ||
260 | }; | ||
261 | |||
262 | enum isoc_state { | ||
263 | isoc_state_in_frame, /* Isoc packet is member of frame */ | ||
264 | isoc_state_no_frame, /* Isoc packet is not member of any frame */ | ||
265 | }; | ||
266 | |||
267 | struct usb_device; | ||
268 | |||
269 | struct usbvision_sbuf { | ||
270 | char *data; | ||
271 | struct urb *urb; | ||
272 | }; | ||
273 | |||
274 | #define USBVISION_MAGIC_1 0x55 | ||
275 | #define USBVISION_MAGIC_2 0xAA | ||
276 | #define USBVISION_HEADER_LENGTH 0x0c | ||
277 | #define USBVISION_SAA7111_ADDR 0x48 | ||
278 | #define USBVISION_SAA7113_ADDR 0x4a | ||
279 | #define USBVISION_IIC_LRACK 0x20 | ||
280 | #define USBVISION_IIC_LRNACK 0x30 | ||
281 | #define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7) | ||
282 | |||
283 | struct usbvision_v4l2_format_st { | ||
284 | int supported; | ||
285 | int bytes_per_pixel; | ||
286 | int depth; | ||
287 | int format; | ||
288 | char *desc; | ||
289 | }; | ||
290 | #define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format) | ||
291 | |||
292 | struct usbvision_frame_header { | ||
293 | unsigned char magic_1; /* 0 magic */ | ||
294 | unsigned char magic_2; /* 1 magic */ | ||
295 | unsigned char header_length; /* 2 */ | ||
296 | unsigned char frame_num; /* 3 */ | ||
297 | unsigned char frame_phase; /* 4 */ | ||
298 | unsigned char frame_latency; /* 5 */ | ||
299 | unsigned char data_format; /* 6 */ | ||
300 | unsigned char format_param; /* 7 */ | ||
301 | unsigned char frame_width_lo; /* 8 */ | ||
302 | unsigned char frame_width_hi; /* 9 */ | ||
303 | unsigned char frame_height_lo; /* 10 */ | ||
304 | unsigned char frame_height_hi; /* 11 */ | ||
305 | __u16 frame_width; /* 8 - 9 after endian correction*/ | ||
306 | __u16 frame_height; /* 10 - 11 after endian correction*/ | ||
307 | }; | ||
308 | |||
309 | struct usbvision_frame { | ||
310 | char *data; /* Frame buffer */ | ||
311 | struct usbvision_frame_header isoc_header; /* Header from stream */ | ||
312 | |||
313 | int width; /* Width application is expecting */ | ||
314 | int height; /* Height */ | ||
315 | int index; /* Frame index */ | ||
316 | int frmwidth; /* Width the frame actually is */ | ||
317 | int frmheight; /* Height */ | ||
318 | |||
319 | volatile int grabstate; /* State of grabbing */ | ||
320 | int scanstate; /* State of scanning */ | ||
321 | |||
322 | struct list_head frame; | ||
323 | |||
324 | int curline; /* Line of frame we're working on */ | ||
325 | |||
326 | long scanlength; /* uncompressed, raw data length of frame */ | ||
327 | long bytes_read; /* amount of scanlength that has been read from data */ | ||
328 | struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/ | ||
329 | int v4l2_linesize; /* bytes for one videoline*/ | ||
330 | struct timeval timestamp; | ||
331 | int sequence; /* How many video frames we send to user */ | ||
332 | }; | ||
333 | |||
334 | #define CODEC_SAA7113 7113 | ||
335 | #define CODEC_SAA7111 7111 | ||
336 | #define CODEC_WEBCAM 3000 | ||
337 | #define BRIDGE_NT1003 1003 | ||
338 | #define BRIDGE_NT1004 1004 | ||
339 | #define BRIDGE_NT1005 1005 | ||
340 | |||
341 | struct usbvision_device_data_st { | ||
342 | __u64 video_norm; | ||
343 | const char *model_string; | ||
344 | int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */ | ||
345 | __u16 codec; | ||
346 | unsigned video_channels:3; | ||
347 | unsigned audio_channels:2; | ||
348 | unsigned radio:1; | ||
349 | unsigned vbi:1; | ||
350 | unsigned tuner:1; | ||
351 | unsigned vin_reg1_override:1; /* Override default value with */ | ||
352 | unsigned vin_reg2_override:1; /* vin_reg1, vin_reg2, etc. */ | ||
353 | unsigned dvi_yuv_override:1; | ||
354 | __u8 vin_reg1; | ||
355 | __u8 vin_reg2; | ||
356 | __u8 dvi_yuv; | ||
357 | __u8 tuner_type; | ||
358 | __s16 x_offset; | ||
359 | __s16 y_offset; | ||
360 | }; | ||
361 | |||
362 | /* Declared on usbvision-cards.c */ | ||
363 | extern struct usbvision_device_data_st usbvision_device_data[]; | ||
364 | extern struct usb_device_id usbvision_table[]; | ||
365 | |||
366 | struct usb_usbvision { | ||
367 | struct v4l2_device v4l2_dev; | ||
368 | struct video_device *vdev; /* Video Device */ | ||
369 | struct video_device *rdev; /* Radio Device */ | ||
370 | |||
371 | /* i2c Declaration Section*/ | ||
372 | struct i2c_adapter i2c_adap; | ||
373 | int registered_i2c; | ||
374 | |||
375 | struct urb *ctrl_urb; | ||
376 | unsigned char ctrl_urb_buffer[8]; | ||
377 | int ctrl_urb_busy; | ||
378 | struct usb_ctrlrequest ctrl_urb_setup; | ||
379 | wait_queue_head_t ctrl_urb_wq; /* Processes waiting */ | ||
380 | |||
381 | /* configuration part */ | ||
382 | int have_tuner; | ||
383 | int tuner_type; | ||
384 | int bridge_type; /* NT1003, NT1004, NT1005 */ | ||
385 | int radio; | ||
386 | int video_inputs; /* # of inputs */ | ||
387 | unsigned long freq; | ||
388 | int audio_mute; | ||
389 | int audio_channel; | ||
390 | int isoc_mode; /* format of video data for the usb isoc-transfer */ | ||
391 | unsigned int nr; /* Number of the device */ | ||
392 | |||
393 | /* Device structure */ | ||
394 | struct usb_device *dev; | ||
395 | /* usb transfer */ | ||
396 | int num_alt; /* Number of alternative settings */ | ||
397 | unsigned int *alt_max_pkt_size; /* array of max_packet_size */ | ||
398 | unsigned char iface; /* Video interface number */ | ||
399 | unsigned char iface_alt; /* Alt settings */ | ||
400 | unsigned char vin_reg2_preset; | ||
401 | struct mutex v4l2_lock; | ||
402 | struct timer_list power_off_timer; | ||
403 | struct work_struct power_off_work; | ||
404 | int power; /* is the device powered on? */ | ||
405 | int user; /* user count for exclusive use */ | ||
406 | int initialized; /* Had we already sent init sequence? */ | ||
407 | int dev_model; /* What type of USBVISION device we got? */ | ||
408 | enum stream_state streaming; /* Are we streaming Isochronous? */ | ||
409 | int last_error; /* What calamity struck us? */ | ||
410 | int curwidth; /* width of the frame the device is currently set to*/ | ||
411 | int curheight; /* height of the frame the device is currently set to*/ | ||
412 | int stretch_width; /* stretch-factor for frame width (from usb to screen)*/ | ||
413 | int stretch_height; /* stretch-factor for frame height (from usb to screen)*/ | ||
414 | char *fbuf; /* Videodev buffer area for mmap*/ | ||
415 | int max_frame_size; /* Bytes in one video frame */ | ||
416 | int fbuf_size; /* Videodev buffer size */ | ||
417 | spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */ | ||
418 | struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */ | ||
419 | wait_queue_head_t wait_frame; /* Processes waiting */ | ||
420 | wait_queue_head_t wait_stream; /* Processes waiting */ | ||
421 | struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */ | ||
422 | struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */ | ||
423 | int num_frames; /* number of frames allocated */ | ||
424 | struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */ | ||
425 | volatile int remove_pending; /* If set then about to exit */ | ||
426 | |||
427 | /* Scratch space from the Isochronous Pipe.*/ | ||
428 | unsigned char *scratch; | ||
429 | int scratch_read_ptr; | ||
430 | int scratch_write_ptr; | ||
431 | int scratch_headermarker[USBVISION_NUM_HEADERMARKER]; | ||
432 | int scratch_headermarker_read_ptr; | ||
433 | int scratch_headermarker_write_ptr; | ||
434 | enum isoc_state isocstate; | ||
435 | struct usbvision_v4l2_format_st palette; | ||
436 | |||
437 | struct v4l2_capability vcap; /* Video capabilities */ | ||
438 | unsigned int ctl_input; /* selected input */ | ||
439 | v4l2_std_id tvnorm_id; /* selected tv norm */ | ||
440 | unsigned char video_endp; /* 0x82 for USBVISION devices based */ | ||
441 | |||
442 | /* Decompression stuff: */ | ||
443 | unsigned char *intra_frame_buffer; /* Buffer for reference frame */ | ||
444 | int block_pos; /* for test only */ | ||
445 | int request_intra; /* 0 = normal; 1 = intra frame is requested; */ | ||
446 | int last_isoc_frame_num; /* check for lost isoc frames */ | ||
447 | int isoc_packet_size; /* need to calculate used_bandwidth */ | ||
448 | int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */ | ||
449 | int compr_level; /* How strong (100) or weak (0) is compression */ | ||
450 | int last_compr_level; /* How strong (100) or weak (0) was compression */ | ||
451 | int usb_bandwidth; /* Mbit/s */ | ||
452 | |||
453 | /* Statistics that can be overlayed on the screen */ | ||
454 | unsigned long isoc_urb_count; /* How many URBs we received so far */ | ||
455 | unsigned long urb_length; /* Length of last URB */ | ||
456 | unsigned long isoc_data_count; /* How many bytes we received */ | ||
457 | unsigned long header_count; /* How many frame headers we found */ | ||
458 | unsigned long scratch_ovf_count; /* How many times we overflowed scratch */ | ||
459 | unsigned long isoc_skip_count; /* How many empty ISO packets received */ | ||
460 | unsigned long isoc_err_count; /* How many bad ISO packets received */ | ||
461 | unsigned long isoc_packet_count; /* How many packets we totally got */ | ||
462 | unsigned long time_in_irq; /* How long do we need for interrupt */ | ||
463 | int isoc_measure_bandwidth_count; | ||
464 | int frame_num; /* How many video frames we send to user */ | ||
465 | int max_strip_len; /* How big is the biggest strip */ | ||
466 | int comprblock_pos; | ||
467 | int strip_len_errors; /* How many times was block_pos greater than strip_len */ | ||
468 | int strip_magic_errors; | ||
469 | int strip_line_number_errors; | ||
470 | int compr_block_types[4]; | ||
471 | }; | ||
472 | |||
473 | static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev) | ||
474 | { | ||
475 | return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev); | ||
476 | } | ||
477 | |||
478 | #define call_all(usbvision, o, f, args...) \ | ||
479 | v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args) | ||
480 | |||
481 | /* --------------------------------------------------------------- */ | ||
482 | /* defined in usbvision-i2c.c */ | ||
483 | /* i2c-algo-usb declaration */ | ||
484 | /* --------------------------------------------------------------- */ | ||
485 | |||
486 | /* ----------------------------------------------------------------------- */ | ||
487 | /* usbvision specific I2C functions */ | ||
488 | /* ----------------------------------------------------------------------- */ | ||
489 | int usbvision_i2c_register(struct usb_usbvision *usbvision); | ||
490 | int usbvision_i2c_unregister(struct usb_usbvision *usbvision); | ||
491 | |||
492 | /* defined in usbvision-core.c */ | ||
493 | int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); | ||
494 | int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, | ||
495 | unsigned char value); | ||
496 | |||
497 | int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames); | ||
498 | void usbvision_frames_free(struct usb_usbvision *usbvision); | ||
499 | int usbvision_scratch_alloc(struct usb_usbvision *usbvision); | ||
500 | void usbvision_scratch_free(struct usb_usbvision *usbvision); | ||
501 | int usbvision_decompress_alloc(struct usb_usbvision *usbvision); | ||
502 | void usbvision_decompress_free(struct usb_usbvision *usbvision); | ||
503 | |||
504 | int usbvision_setup(struct usb_usbvision *usbvision, int format); | ||
505 | int usbvision_init_isoc(struct usb_usbvision *usbvision); | ||
506 | int usbvision_restart_isoc(struct usb_usbvision *usbvision); | ||
507 | void usbvision_stop_isoc(struct usb_usbvision *usbvision); | ||
508 | int usbvision_set_alternate(struct usb_usbvision *dev); | ||
509 | |||
510 | int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel); | ||
511 | int usbvision_audio_off(struct usb_usbvision *usbvision); | ||
512 | |||
513 | int usbvision_begin_streaming(struct usb_usbvision *usbvision); | ||
514 | void usbvision_empty_framequeues(struct usb_usbvision *dev); | ||
515 | int usbvision_stream_interrupt(struct usb_usbvision *dev); | ||
516 | |||
517 | int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); | ||
518 | int usbvision_set_input(struct usb_usbvision *usbvision); | ||
519 | int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); | ||
520 | |||
521 | void usbvision_init_power_off_timer(struct usb_usbvision *usbvision); | ||
522 | void usbvision_set_power_off_timer(struct usb_usbvision *usbvision); | ||
523 | void usbvision_reset_power_off_timer(struct usb_usbvision *usbvision); | ||
524 | int usbvision_power_off(struct usb_usbvision *usbvision); | ||
525 | int usbvision_power_on(struct usb_usbvision *usbvision); | ||
526 | |||
527 | #endif /* __LINUX_USBVISION_H */ | ||
528 | |||
529 | /* | ||
530 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
531 | * --------------------------------------------------------------------------- | ||
532 | * Local variables: | ||
533 | * c-basic-offset: 8 | ||
534 | * End: | ||
535 | */ | ||