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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/v4l2-ctrls.h>
40#include <media/tuner.h>
41#include <linux/videodev2.h>
42
43#define USBVISION_DEBUG
44
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)
49 #define USBVISION_E2_EN (1 << 7)
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
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)
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
141#define MAX_USB_WIDTH 320
142#define MAX_FRAME_WIDTH 320
143
144#define MIN_FRAME_HEIGHT 48
145#define MAX_USB_HEIGHT 240
146#define MAX_FRAME_HEIGHT 240
147
148#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
149#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8)
150
151#define USBVISION_URB_FRAMES 32
152
153#define USBVISION_NUM_HEADERMARKER 20
154#define USBVISION_NUMFRAMES 3
155#define USBVISION_NUMSBUF 2
156
157#define USBVISION_POWEROFF_TIME (3 * HZ)
158
159
160#define FRAMERATE_MIN 0
161#define FRAMERATE_MAX 31
162
163enum {
164 ISOC_MODE_YUV422 = 0x03,
165 ISOC_MODE_YUV420 = 0x14,
166 ISOC_MODE_COMPRESS = 0x60,
167};
168
169
170#define RESTRICT_TO_RANGE(v, mi, ma) \
171 { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
172
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191
192#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
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); \
205}
206
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209
210
211
212#define USBVISION_IS_OPERATIONAL(udevice) (\
213 (udevice != NULL) && \
214 ((udevice)->dev != NULL) && \
215 ((udevice)->last_error == 0) && \
216 (!(udevice)->remove_pending))
217
218#define I2C_USB_ADAP_MAX 16
219
220#define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
221
222
223
224
225enum scan_state {
226 scan_state_scanning,
227 scan_state_lines
228};
229
230
231enum parse_state {
232 parse_state_continue,
233 parse_state_next_frame,
234 parse_state_out,
235 parse_state_end_parse
236};
237
238enum frame_state {
239 frame_state_unused,
240 frame_state_ready,
241 frame_state_grabbing,
242 frame_state_done,
243 frame_state_done_hold,
244 frame_state_error,
245};
246
247
248enum stream_state {
249 stream_off,
250 stream_idle,
251 stream_interrupt,
252 stream_on,
253};
254
255enum isoc_state {
256 isoc_state_in_frame,
257 isoc_state_no_frame,
258};
259
260struct usb_device;
261
262struct usbvision_sbuf {
263 char *data;
264 struct urb *urb;
265};
266
267#define USBVISION_MAGIC_1 0x55
268#define USBVISION_MAGIC_2 0xAA
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
276struct usbvision_v4l2_format_st {
277 int supported;
278 int bytes_per_pixel;
279 int depth;
280 int format;
281 char *desc;
282};
283#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
284
285struct usbvision_frame_header {
286 unsigned char magic_1;
287 unsigned char magic_2;
288 unsigned char header_length;
289 unsigned char frame_num;
290 unsigned char frame_phase;
291 unsigned char frame_latency;
292 unsigned char data_format;
293 unsigned char format_param;
294 unsigned char frame_width_lo;
295 unsigned char frame_width_hi;
296 unsigned char frame_height_lo;
297 unsigned char frame_height_hi;
298 __u16 frame_width;
299 __u16 frame_height;
300};
301
302struct usbvision_frame {
303 char *data;
304 struct usbvision_frame_header isoc_header;
305
306 int width;
307 int height;
308 int index;
309 int frmwidth;
310 int frmheight;
311
312 volatile int grabstate;
313 int scanstate;
314
315 struct list_head frame;
316
317 int curline;
318
319 long scanlength;
320 long bytes_read;
321 struct usbvision_v4l2_format_st v4l2_format;
322 int v4l2_linesize;
323 struct timeval timestamp;
324 int sequence;
325};
326
327#define CODEC_SAA7113 7113
328#define CODEC_SAA7111 7111
329#define CODEC_WEBCAM 3000
330#define BRIDGE_NT1003 1003
331#define BRIDGE_NT1004 1004
332#define BRIDGE_NT1005 1005
333
334struct usbvision_device_data_st {
335 __u64 video_norm;
336 const char *model_string;
337 int interface;
338 __u16 codec;
339 unsigned video_channels:3;
340 unsigned audio_channels:2;
341 unsigned radio:1;
342 unsigned vbi:1;
343 unsigned tuner:1;
344 unsigned vin_reg1_override:1;
345 unsigned vin_reg2_override:1;
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;
353};
354
355
356extern struct usbvision_device_data_st usbvision_device_data[];
357extern struct usb_device_id usbvision_table[];
358
359struct usb_usbvision {
360 struct v4l2_device v4l2_dev;
361 struct v4l2_ctrl_handler hdl;
362 struct video_device vdev;
363 struct video_device rdev;
364
365
366 struct i2c_adapter i2c_adap;
367 int registered_i2c;
368
369 struct urb *ctrl_urb;
370 unsigned char ctrl_urb_buffer[8];
371 int ctrl_urb_busy;
372 struct usb_ctrlrequest ctrl_urb_setup;
373 wait_queue_head_t ctrl_urb_wq;
374
375
376 int have_tuner;
377 int tuner_type;
378 int bridge_type;
379 int radio;
380 int video_inputs;
381 unsigned long radio_freq;
382 unsigned long tv_freq;
383 int audio_mute;
384 int audio_channel;
385 int isoc_mode;
386 unsigned int nr;
387
388
389 struct usb_device *dev;
390
391 int num_alt;
392 unsigned int *alt_max_pkt_size;
393 unsigned char iface;
394 unsigned char iface_alt;
395 unsigned char vin_reg2_preset;
396 struct mutex v4l2_lock;
397 int power;
398 int user;
399 int initialized;
400 int dev_model;
401 enum stream_state streaming;
402 int last_error;
403 int curwidth;
404 int curheight;
405 int stretch_width;
406 int stretch_height;
407 char *fbuf;
408 int max_frame_size;
409 int fbuf_size;
410 spinlock_t queue_lock;
411 struct list_head inqueue, outqueue;
412 wait_queue_head_t wait_frame;
413 wait_queue_head_t wait_stream;
414 struct usbvision_frame *cur_frame;
415 struct usbvision_frame frame[USBVISION_NUMFRAMES];
416 int num_frames;
417 struct usbvision_sbuf sbuf[USBVISION_NUMSBUF];
418 volatile int remove_pending;
419
420
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;
427 enum isoc_state isocstate;
428 struct usbvision_v4l2_format_st palette;
429
430 struct v4l2_capability vcap;
431 unsigned int ctl_input;
432 v4l2_std_id tvnorm_id;
433 unsigned char video_endp;
434
435
436 unsigned char *intra_frame_buffer;
437 int block_pos;
438 int request_intra;
439 int last_isoc_frame_num;
440 int isoc_packet_size;
441 int used_bandwidth;
442 int compr_level;
443 int last_compr_level;
444 int usb_bandwidth;
445
446
447 unsigned long isoc_urb_count;
448 unsigned long urb_length;
449 unsigned long isoc_data_count;
450 unsigned long header_count;
451 unsigned long scratch_ovf_count;
452 unsigned long isoc_skip_count;
453 unsigned long isoc_err_count;
454 unsigned long isoc_packet_count;
455 unsigned long time_in_irq;
456 int isoc_measure_bandwidth_count;
457 int frame_num;
458 int max_strip_len;
459 int comprblock_pos;
460 int strip_len_errors;
461 int strip_magic_errors;
462 int strip_line_number_errors;
463 int compr_block_types[4];
464};
465
466static 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
471#define call_all(usbvision, o, f, args...) \
472 v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
473
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480
481
482int usbvision_i2c_register(struct usb_usbvision *usbvision);
483int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
484
485
486int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
487int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
488 unsigned char value);
489
490int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
491void usbvision_frames_free(struct usb_usbvision *usbvision);
492int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
493void usbvision_scratch_free(struct usb_usbvision *usbvision);
494int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
495void usbvision_decompress_free(struct usb_usbvision *usbvision);
496
497int usbvision_setup(struct usb_usbvision *usbvision, int format);
498int usbvision_init_isoc(struct usb_usbvision *usbvision);
499int usbvision_restart_isoc(struct usb_usbvision *usbvision);
500void usbvision_stop_isoc(struct usb_usbvision *usbvision);
501int usbvision_set_alternate(struct usb_usbvision *dev);
502
503int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel);
504int usbvision_audio_off(struct usb_usbvision *usbvision);
505
506int usbvision_begin_streaming(struct usb_usbvision *usbvision);
507void usbvision_empty_framequeues(struct usb_usbvision *dev);
508int usbvision_stream_interrupt(struct usb_usbvision *dev);
509
510int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
511int usbvision_set_input(struct usb_usbvision *usbvision);
512int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
513
514int usbvision_power_off(struct usb_usbvision *usbvision);
515int usbvision_power_on(struct usb_usbvision *usbvision);
516
517#endif
518