This source file includes following definitions.
- to_usbvision
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 #ifndef __LINUX_USBVISION_H
18 #define __LINUX_USBVISION_H
19
20 #include <linux/list.h>
21 #include <linux/usb.h>
22 #include <linux/i2c.h>
23 #include <linux/mutex.h>
24 #include <media/v4l2-device.h>
25 #include <media/v4l2-ctrls.h>
26 #include <media/tuner.h>
27 #include <linux/videodev2.h>
28
29 #define USBVISION_DEBUG
30
31 #define USBVISION_PWR_REG 0x00
32 #define USBVISION_SSPND_EN (1 << 1)
33 #define USBVISION_RES2 (1 << 2)
34 #define USBVISION_PWR_VID (1 << 5)
35 #define USBVISION_E2_EN (1 << 7)
36 #define USBVISION_CONFIG_REG 0x01
37 #define USBVISION_ADRS_REG 0x02
38 #define USBVISION_ALTER_REG 0x03
39 #define USBVISION_FORCE_ALTER_REG 0x04
40 #define USBVISION_STATUS_REG 0x05
41 #define USBVISION_IOPIN_REG 0x06
42 #define USBVISION_IO_1 (1 << 0)
43 #define USBVISION_IO_2 (1 << 1)
44 #define USBVISION_AUDIO_IN 0
45 #define USBVISION_AUDIO_TV 1
46 #define USBVISION_AUDIO_RADIO 2
47 #define USBVISION_AUDIO_MUTE 3
48 #define USBVISION_SER_MODE 0x07
49 #define USBVISION_CLK_OUT (1 << 0)
50 #define USBVISION_DAT_IO (1 << 1)
51 #define USBVISION_SENS_OUT (1 << 2)
52 #define USBVISION_SER_MODE_SOFT (0 << 4)
53 #define USBVISION_SER_MODE_SIO (1 << 4)
54 #define USBVISION_SER_ADRS 0x08
55 #define USBVISION_SER_CONT 0x09
56 #define USBVISION_SER_DAT1 0x0A
57 #define USBVISION_SER_DAT2 0x0B
58 #define USBVISION_SER_DAT3 0x0C
59 #define USBVISION_SER_DAT4 0x0D
60 #define USBVISION_EE_DATA 0x0E
61 #define USBVISION_EE_LSBAD 0x0F
62 #define USBVISION_EE_CONT 0x10
63 #define USBVISION_DRM_CONT 0x12
64 #define USBVISION_REF (1 << 0)
65 #define USBVISION_RES_UR (1 << 2)
66 #define USBVISION_RES_FDL (1 << 3)
67 #define USBVISION_RES_VDW (1 << 4)
68 #define USBVISION_DRM_PRM1 0x13
69 #define USBVISION_DRM_PRM2 0x14
70 #define USBVISION_DRM_PRM3 0x15
71 #define USBVISION_DRM_PRM4 0x16
72 #define USBVISION_DRM_PRM5 0x17
73 #define USBVISION_DRM_PRM6 0x18
74 #define USBVISION_DRM_PRM7 0x19
75 #define USBVISION_DRM_PRM8 0x1A
76 #define USBVISION_VIN_REG1 0x1B
77 #define USBVISION_8_422_SYNC 0x01
78 #define USBVISION_16_422_SYNC 0x02
79 #define USBVISION_VSNC_POL (1 << 3)
80 #define USBVISION_HSNC_POL (1 << 4)
81 #define USBVISION_FID_POL (1 << 5)
82 #define USBVISION_HVALID_PO (1 << 6)
83 #define USBVISION_VCLK_POL (1 << 7)
84 #define USBVISION_VIN_REG2 0x1C
85 #define USBVISION_AUTO_FID (1 << 0)
86 #define USBVISION_NONE_INTER (1 << 1)
87 #define USBVISION_NOHVALID (1 << 2)
88 #define USBVISION_UV_ID (1 << 3)
89 #define USBVISION_FIX_2C (1 << 4)
90 #define USBVISION_SEND_FID (1 << 5)
91 #define USBVISION_KEEP_BLANK (1 << 7)
92 #define USBVISION_LXSIZE_I 0x1D
93 #define USBVISION_MXSIZE_I 0x1E
94 #define USBVISION_LYSIZE_I 0x1F
95 #define USBVISION_MYSIZE_I 0x20
96 #define USBVISION_LX_OFFST 0x21
97 #define USBVISION_MX_OFFST 0x22
98 #define USBVISION_LY_OFFST 0x23
99 #define USBVISION_MY_OFFST 0x24
100 #define USBVISION_FRM_RATE 0x25
101 #define USBVISION_LXSIZE_O 0x26
102 #define USBVISION_MXSIZE_O 0x27
103 #define USBVISION_LYSIZE_O 0x28
104 #define USBVISION_MYSIZE_O 0x29
105 #define USBVISION_FILT_CONT 0x2A
106 #define USBVISION_VO_MODE 0x2B
107 #define USBVISION_INTRA_CYC 0x2C
108 #define USBVISION_STRIP_SZ 0x2D
109 #define USBVISION_FORCE_INTRA 0x2E
110 #define USBVISION_FORCE_UP 0x2F
111 #define USBVISION_BUF_THR 0x30
112 #define USBVISION_DVI_YUV 0x31
113 #define USBVISION_AUDIO_CONT 0x32
114 #define USBVISION_AUD_PK_LEN 0x33
115 #define USBVISION_BLK_PK_LEN 0x34
116 #define USBVISION_PCM_THR1 0x38
117 #define USBVISION_PCM_THR2 0x39
118 #define USBVISION_DIST_THR_L 0x3A
119 #define USBVISION_DIST_THR_H 0x3B
120 #define USBVISION_MAX_DIST_L 0x3C
121 #define USBVISION_MAX_DIST_H 0x3D
122 #define USBVISION_OP_CODE 0x33
123
124 #define MAX_BYTES_PER_PIXEL 4
125
126 #define MIN_FRAME_WIDTH 64
127 #define MAX_USB_WIDTH 320
128 #define MAX_FRAME_WIDTH 320
129
130 #define MIN_FRAME_HEIGHT 48
131 #define MAX_USB_HEIGHT 240
132 #define MAX_FRAME_HEIGHT 240
133
134 #define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
135 #define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8)
136
137 #define USBVISION_URB_FRAMES 32
138
139 #define USBVISION_NUM_HEADERMARKER 20
140 #define USBVISION_NUMFRAMES 3
141 #define USBVISION_NUMSBUF 2
142
143 #define USBVISION_POWEROFF_TIME (3 * HZ)
144
145
146 #define FRAMERATE_MIN 0
147 #define FRAMERATE_MAX 31
148
149 enum {
150 ISOC_MODE_YUV422 = 0x03,
151 ISOC_MODE_YUV420 = 0x14,
152 ISOC_MODE_COMPRESS = 0x60,
153 };
154
155
156 #define RESTRICT_TO_RANGE(v, mi, ma) \
157 { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178 #define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
179 #define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \
180 int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
181 mm_y = (my) - 16; \
182 mm_u = (mu) - 128; \
183 mm_v = (mv) - 128; \
184 mm_yc = mm_y * 76284; \
185 mm_b = (mm_yc + 132252 * mm_v) >> 16; \
186 mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \
187 mm_r = (mm_yc + 104595 * mm_u) >> 16; \
188 mb = LIMIT_RGB(mm_b); \
189 mg = LIMIT_RGB(mm_g); \
190 mr = LIMIT_RGB(mm_r); \
191 }
192
193
194
195
196
197
198 #define USBVISION_IS_OPERATIONAL(udevice) (\
199 (udevice != NULL) && \
200 ((udevice)->dev != NULL) && \
201 ((udevice)->last_error == 0) && \
202 (!(udevice)->remove_pending))
203
204 #define I2C_USB_ADAP_MAX 16
205
206 #define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
207
208
209
210
211 enum scan_state {
212 scan_state_scanning,
213 scan_state_lines
214 };
215
216
217 enum parse_state {
218 parse_state_continue,
219 parse_state_next_frame,
220 parse_state_out,
221 parse_state_end_parse
222 };
223
224 enum frame_state {
225 frame_state_unused,
226 frame_state_ready,
227 frame_state_grabbing,
228 frame_state_done,
229 frame_state_done_hold,
230 frame_state_error,
231 };
232
233
234 enum stream_state {
235 stream_off,
236 stream_idle,
237 stream_interrupt,
238 stream_on,
239 };
240
241 enum isoc_state {
242 isoc_state_in_frame,
243 isoc_state_no_frame,
244 };
245
246 struct usb_device;
247
248 struct usbvision_sbuf {
249 char *data;
250 struct urb *urb;
251 };
252
253 #define USBVISION_MAGIC_1 0x55
254 #define USBVISION_MAGIC_2 0xAA
255 #define USBVISION_HEADER_LENGTH 0x0c
256 #define USBVISION_SAA7111_ADDR 0x48
257 #define USBVISION_SAA7113_ADDR 0x4a
258 #define USBVISION_IIC_LRACK 0x20
259 #define USBVISION_IIC_LRNACK 0x30
260 #define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
261
262 struct usbvision_v4l2_format_st {
263 int supported;
264 int bytes_per_pixel;
265 int depth;
266 int format;
267 };
268 #define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
269
270 struct usbvision_frame_header {
271 unsigned char magic_1;
272 unsigned char magic_2;
273 unsigned char header_length;
274 unsigned char frame_num;
275 unsigned char frame_phase;
276 unsigned char frame_latency;
277 unsigned char data_format;
278 unsigned char format_param;
279 unsigned char frame_width_lo;
280 unsigned char frame_width_hi;
281 unsigned char frame_height_lo;
282 unsigned char frame_height_hi;
283 __u16 frame_width;
284 __u16 frame_height;
285 };
286
287 struct usbvision_frame {
288 char *data;
289 struct usbvision_frame_header isoc_header;
290
291 int width;
292 int height;
293 int index;
294 int frmwidth;
295 int frmheight;
296
297 volatile int grabstate;
298 int scanstate;
299
300 struct list_head frame;
301
302 int curline;
303
304 long scanlength;
305 long bytes_read;
306 struct usbvision_v4l2_format_st v4l2_format;
307 int v4l2_linesize;
308 u64 ts;
309 int sequence;
310 };
311
312 #define CODEC_SAA7113 7113
313 #define CODEC_SAA7111 7111
314 #define CODEC_WEBCAM 3000
315 #define BRIDGE_NT1003 1003
316 #define BRIDGE_NT1004 1004
317 #define BRIDGE_NT1005 1005
318
319 struct usbvision_device_data_st {
320 __u64 video_norm;
321 const char *model_string;
322 int interface;
323 __u16 codec;
324 unsigned video_channels:3;
325 unsigned audio_channels:2;
326 unsigned radio:1;
327 unsigned vbi:1;
328 unsigned tuner:1;
329 unsigned vin_reg1_override:1;
330 unsigned vin_reg2_override:1;
331 unsigned dvi_yuv_override:1;
332 __u8 vin_reg1;
333 __u8 vin_reg2;
334 __u8 dvi_yuv;
335 __u8 tuner_type;
336 __s16 x_offset;
337 __s16 y_offset;
338 };
339
340
341 extern struct usbvision_device_data_st usbvision_device_data[];
342 extern struct usb_device_id usbvision_table[];
343
344 struct usb_usbvision {
345 struct v4l2_device v4l2_dev;
346 struct v4l2_ctrl_handler hdl;
347 struct video_device vdev;
348 struct video_device rdev;
349
350
351 struct i2c_adapter i2c_adap;
352 int registered_i2c;
353
354 struct urb *ctrl_urb;
355 unsigned char ctrl_urb_buffer[8];
356 int ctrl_urb_busy;
357 struct usb_ctrlrequest ctrl_urb_setup;
358
359
360 int have_tuner;
361 int tuner_type;
362 int bridge_type;
363 int radio;
364 int video_inputs;
365 unsigned long radio_freq;
366 unsigned long tv_freq;
367 int audio_mute;
368 int audio_channel;
369 int isoc_mode;
370 unsigned int nr;
371
372
373 struct usb_device *dev;
374
375 int num_alt;
376 unsigned int *alt_max_pkt_size;
377 unsigned char iface;
378 unsigned char iface_alt;
379 unsigned char vin_reg2_preset;
380 struct mutex v4l2_lock;
381 int power;
382 int user;
383 int initialized;
384 int dev_model;
385 enum stream_state streaming;
386 int last_error;
387 int curwidth;
388 int curheight;
389 int stretch_width;
390 int stretch_height;
391 char *fbuf;
392 int max_frame_size;
393 int fbuf_size;
394 spinlock_t queue_lock;
395 struct list_head inqueue, outqueue;
396 wait_queue_head_t wait_frame;
397 wait_queue_head_t wait_stream;
398 struct usbvision_frame *cur_frame;
399 struct usbvision_frame frame[USBVISION_NUMFRAMES];
400 int num_frames;
401 struct usbvision_sbuf sbuf[USBVISION_NUMSBUF];
402 volatile int remove_pending;
403
404
405 unsigned char *scratch;
406 int scratch_read_ptr;
407 int scratch_write_ptr;
408 int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
409 int scratch_headermarker_read_ptr;
410 int scratch_headermarker_write_ptr;
411 enum isoc_state isocstate;
412 struct usbvision_v4l2_format_st palette;
413
414 struct v4l2_capability vcap;
415 unsigned int ctl_input;
416 v4l2_std_id tvnorm_id;
417 unsigned char video_endp;
418
419
420 unsigned char *intra_frame_buffer;
421 int block_pos;
422 int request_intra;
423 int last_isoc_frame_num;
424 int isoc_packet_size;
425 int used_bandwidth;
426 int compr_level;
427 int last_compr_level;
428 int usb_bandwidth;
429
430
431 unsigned long isoc_urb_count;
432 unsigned long urb_length;
433 unsigned long isoc_data_count;
434 unsigned long header_count;
435 unsigned long scratch_ovf_count;
436 unsigned long isoc_skip_count;
437 unsigned long isoc_err_count;
438 unsigned long isoc_packet_count;
439 int isoc_measure_bandwidth_count;
440 int frame_num;
441 int max_strip_len;
442 int comprblock_pos;
443 int strip_len_errors;
444 int strip_magic_errors;
445 int strip_line_number_errors;
446 int compr_block_types[4];
447 };
448
449 static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev)
450 {
451 return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev);
452 }
453
454 #define call_all(usbvision, o, f, args...) \
455 v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
456
457
458
459
460
461
462
463
464
465 int usbvision_i2c_register(struct usb_usbvision *usbvision);
466 int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
467
468
469 int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
470 int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
471 unsigned char value);
472
473 int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
474 void usbvision_frames_free(struct usb_usbvision *usbvision);
475 int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
476 void usbvision_scratch_free(struct usb_usbvision *usbvision);
477 int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
478 void usbvision_decompress_free(struct usb_usbvision *usbvision);
479
480 int usbvision_setup(struct usb_usbvision *usbvision, int format);
481 int usbvision_init_isoc(struct usb_usbvision *usbvision);
482 int usbvision_restart_isoc(struct usb_usbvision *usbvision);
483 void usbvision_stop_isoc(struct usb_usbvision *usbvision);
484 int usbvision_set_alternate(struct usb_usbvision *dev);
485
486 int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel);
487 int usbvision_audio_off(struct usb_usbvision *usbvision);
488
489 int usbvision_begin_streaming(struct usb_usbvision *usbvision);
490 void usbvision_empty_framequeues(struct usb_usbvision *dev);
491 int usbvision_stream_interrupt(struct usb_usbvision *dev);
492
493 int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
494 int usbvision_set_input(struct usb_usbvision *usbvision);
495 int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
496
497 int usbvision_power_off(struct usb_usbvision *usbvision);
498 int usbvision_power_on(struct usb_usbvision *usbvision);
499
500 #endif