1 /*
2 em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
3
4 Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
5 Ludovico Cavedon <cavedon@sssup.it>
6 Mauro Carvalho Chehab <mchehab@infradead.org>
7
8 Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #ifndef _EM28XX_H
26 #define _EM28XX_H
27
28 #include <linux/workqueue.h>
29 #include <linux/i2c.h>
30 #include <linux/mutex.h>
31 #include <linux/videodev2.h>
32
33 #include <media/videobuf-vmalloc.h>
34 #include <media/v4l2-device.h>
35 #include <media/ir-kbd-i2c.h>
36 #include <media/rc-core.h>
37 #if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
38 #include <media/videobuf-dvb.h>
39 #endif
40 #include "tuner-xc2028.h"
41 #include "xc5000.h"
42 #include "em28xx-reg.h"
43
44 /* Boards supported by driver */
45 #define EM2800_BOARD_UNKNOWN 0
46 #define EM2820_BOARD_UNKNOWN 1
47 #define EM2820_BOARD_TERRATEC_CINERGY_250 2
48 #define EM2820_BOARD_PINNACLE_USB_2 3
49 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
50 #define EM2820_BOARD_MSI_VOX_USB_2 5
51 #define EM2800_BOARD_TERRATEC_CINERGY_200 6
52 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
53 #define EM2800_BOARD_KWORLD_USB2800 8
54 #define EM2820_BOARD_PINNACLE_DVC_90 9
55 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
56 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11
57 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12
58 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
59 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
60 #define EM2800_BOARD_VGEAR_POCKETTV 15
61 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
62 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
63 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
64 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
65 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
66 #define EM2800_BOARD_GRABBEEX_USB2800 21
67 #define EM2750_BOARD_UNKNOWN 22
68 #define EM2750_BOARD_DLCW_130 23
69 #define EM2820_BOARD_DLINK_USB_TV 24
70 #define EM2820_BOARD_GADMEI_UTV310 25
71 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
72 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
73 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
74 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29
75 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
76 #define EM2821_BOARD_USBGEAR_VD204 31
77 #define EM2821_BOARD_SUPERCOMP_USB_2 32
78 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
79 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34
80 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35
81 #define EM2860_BOARD_NETGMBH_CAM 36
82 #define EM2860_BOARD_GADMEI_UTV330 37
83 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
84 #define EM2861_BOARD_KWORLD_PVRTV_300U 39
85 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40
86 #define EM2870_BOARD_KWORLD_350U 41
87 #define EM2870_BOARD_KWORLD_355U 42
88 #define EM2870_BOARD_TERRATEC_XS 43
89 #define EM2870_BOARD_TERRATEC_XS_MT2060 44
90 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45
91 #define EM2870_BOARD_COMPRO_VIDEOMATE 46
92 #define EM2880_BOARD_KWORLD_DVB_305U 47
93 #define EM2880_BOARD_KWORLD_DVB_310U 48
94 #define EM2880_BOARD_MSI_DIGIVOX_AD 49
95 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
96 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
97 #define EM2881_BOARD_DNT_DA2_HYBRID 52
98 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
99 #define EM2882_BOARD_KWORLD_VS_DVBT 54
100 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55
101 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56
102 #define EM2883_BOARD_KWORLD_HYBRID_330U 57
103 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
104 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
105 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
106 #define EM2820_BOARD_GADMEI_TVR200 62
107 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63
108 #define EM2860_BOARD_EASYCAP 64
109 #define EM2820_BOARD_IODATA_GVMVP_SZ 65
110 #define EM2880_BOARD_EMPIRE_DUAL_TV 66
111 #define EM2860_BOARD_TERRATEC_GRABBY 67
112 #define EM2860_BOARD_TERRATEC_AV350 68
113 #define EM2882_BOARD_KWORLD_ATSC_315U 69
114 #define EM2882_BOARD_EVGA_INDTUBE 70
115 #define EM2820_BOARD_SILVERCREST_WEBCAM 71
116 #define EM2861_BOARD_GADMEI_UTV330PLUS 72
117 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73
118 #define EM2800_BOARD_VC211A 74
119 #define EM2882_BOARD_DIKOM_DK300 75
120 #define EM2870_BOARD_KWORLD_A340 76
121 #define EM2874_BOARD_LEADERSHIP_ISDBT 77
122 #define EM28174_BOARD_PCTV_290E 78
123 #define EM2884_BOARD_TERRATEC_H5 79
124 #define EM28174_BOARD_PCTV_460E 80
125 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81
126 #define EM2884_BOARD_CINERGY_HTC_STICK 82
127 #define EM2860_BOARD_HT_VIDBOX_NW03 83
128 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84
129 #define EM2884_BOARD_PCTV_510E 85
130 #define EM2884_BOARD_PCTV_520E 86
131
132 /* Limits minimum and default number of buffers */
133 #define EM28XX_MIN_BUF 4
134 #define EM28XX_DEF_BUF 8
135
136 /*Limits the max URB message size */
137 #define URB_MAX_CTRL_SIZE 80
138
139 /* Params for validated field */
140 #define EM28XX_BOARD_NOT_VALIDATED 1
141 #define EM28XX_BOARD_VALIDATED 0
142
143 /* Params for em28xx_cmd() audio */
144 #define EM28XX_START_AUDIO 1
145 #define EM28XX_STOP_AUDIO 0
146
147 /* maximum number of em28xx boards */
148 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
149
150 /* maximum number of frames that can be queued */
151 #define EM28XX_NUM_FRAMES 5
152 /* number of frames that get used for v4l2_read() */
153 #define EM28XX_NUM_READ_FRAMES 2
154
155 /* number of buffers for isoc transfers */
156 #define EM28XX_NUM_BUFS 5
157 #define EM28XX_DVB_NUM_BUFS 5
158
159 /* number of packets for each buffer
160 windows requests only 64 packets .. so we better do the same
161 this is what I found out for all alternate numbers there!
162 */
163 #define EM28XX_NUM_PACKETS 64
164 #define EM28XX_DVB_MAX_PACKETS 64
165
166 #define EM28XX_INTERLACED_DEFAULT 1
167
168 /*
169 #define (use usbview if you want to get the other alternate number infos)
170 #define
171 #define alternate number 2
172 #define Endpoint Address: 82
173 Direction: in
174 Attribute: 1
175 Type: Isoc
176 Max Packet Size: 1448
177 Interval: 125us
178
179 alternate number 7
180
181 Endpoint Address: 82
182 Direction: in
183 Attribute: 1
184 Type: Isoc
185 Max Packet Size: 3072
186 Interval: 125us
187 */
188
189 /* time to wait when stopping the isoc transfer */
190 #define EM28XX_URB_TIMEOUT \
191 msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
192
193 /* time in msecs to wait for i2c writes to finish */
194 #define EM2800_I2C_WRITE_TIMEOUT 20
195
196 enum em28xx_mode {
197 EM28XX_SUSPEND,
198 EM28XX_ANALOG_MODE,
199 EM28XX_DIGITAL_MODE,
200 };
201
202
203 struct em28xx;
204
205 struct em28xx_usb_isoc_bufs {
206 /* max packet size of isoc transaction */
207 int max_pkt_size;
208
209 /* number of packets in each buffer */
210 int num_packets;
211
212 /* number of allocated urbs */
213 int num_bufs;
214
215 /* urb for isoc transfers */
216 struct urb **urb;
217
218 /* transfer buffers for isoc transfer */
219 char **transfer_buffer;
220 };
221
222 struct em28xx_usb_isoc_ctl {
223 /* isoc transfer buffers for analog mode */
224 struct em28xx_usb_isoc_bufs analog_bufs;
225
226 /* isoc transfer buffers for digital mode */
227 struct em28xx_usb_isoc_bufs digital_bufs;
228
229 /* Last buffer command and region */
230 u8 cmd;
231 int pos, size, pktsize;
232
233 /* Last field: ODD or EVEN? */
234 int field;
235
236 /* Stores incomplete commands */
237 u32 tmp_buf;
238 int tmp_buf_len;
239
240 /* Stores already requested buffers */
241 struct em28xx_buffer *vid_buf;
242 struct em28xx_buffer *vbi_buf;
243
244 /* Stores the number of received fields */
245 int nfields;
246
247 /* isoc urb callback */
248 int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
249
250 };
251
252 /* Struct to enumberate video formats */
253 struct em28xx_fmt {
254 char *name;
255 u32 fourcc; /* v4l2 format id */
256 int depth;
257 int reg;
258 };
259
260 /* buffer for one video frame */
261 struct em28xx_buffer {
262 /* common v4l buffer stuff -- must be first */
263 struct videobuf_buffer vb;
264
265 struct list_head frame;
266 int top_field;
267 int receiving;
268 };
269
270 struct em28xx_dmaqueue {
271 struct list_head active;
272 struct list_head queued;
273
274 wait_queue_head_t wq;
275
276 /* Counters to control buffer fill */
277 int pos;
278 };
279
280 /* io methods */
281 enum em28xx_io_method {
282 IO_NONE,
283 IO_READ,
284 IO_MMAP,
285 };
286
287 /* inputs */
288
289 #define MAX_EM28XX_INPUT 4
290 enum enum28xx_itype {
291 EM28XX_VMUX_COMPOSITE1 = 1,
292 EM28XX_VMUX_COMPOSITE2,
293 EM28XX_VMUX_COMPOSITE3,
294 EM28XX_VMUX_COMPOSITE4,
295 EM28XX_VMUX_SVIDEO,
296 EM28XX_VMUX_TELEVISION,
297 EM28XX_VMUX_CABLE,
298 EM28XX_VMUX_DVB,
299 EM28XX_VMUX_DEBUG,
300 EM28XX_RADIO,
301 };
302
303 enum em28xx_ac97_mode {
304 EM28XX_NO_AC97 = 0,
305 EM28XX_AC97_EM202,
306 EM28XX_AC97_SIGMATEL,
307 EM28XX_AC97_OTHER,
308 };
309
310 struct em28xx_audio_mode {
311 enum em28xx_ac97_mode ac97;
312
313 u16 ac97_feat;
314 u32 ac97_vendor_id;
315
316 unsigned int has_audio:1;
317
318 unsigned int i2s_3rates:1;
319 unsigned int i2s_5rates:1;
320 };
321
322 /* em28xx has two audio inputs: tuner and line in.
323 However, on most devices, an auxiliary AC97 codec device is used.
324 The AC97 device may have several different inputs and outputs,
325 depending on their model. So, it is possible to use AC97 mixer to
326 address more than two different entries.
327 */
328 enum em28xx_amux {
329 /* This is the only entry for em28xx tuner input */
330 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
331
332 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
333
334 /* Some less-common mixer setups */
335 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
336 EM28XX_AMUX_PHONE,
337 EM28XX_AMUX_MIC,
338 EM28XX_AMUX_CD,
339 EM28XX_AMUX_AUX,
340 EM28XX_AMUX_PCM_OUT,
341 };
342
343 enum em28xx_aout {
344 /* AC97 outputs */
345 EM28XX_AOUT_MASTER = 1 << 0,
346 EM28XX_AOUT_LINE = 1 << 1,
347 EM28XX_AOUT_MONO = 1 << 2,
348 EM28XX_AOUT_LFE = 1 << 3,
349 EM28XX_AOUT_SURR = 1 << 4,
350
351 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
352 EM28XX_AOUT_PCM_IN = 1 << 7,
353
354 /* Bits 10-8 are used to indicate the PCM IN record select */
355 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
356 EM28XX_AOUT_PCM_CD = 1 << 8,
357 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
358 EM28XX_AOUT_PCM_AUX = 3 << 8,
359 EM28XX_AOUT_PCM_LINE = 4 << 8,
360 EM28XX_AOUT_PCM_STEREO = 5 << 8,
361 EM28XX_AOUT_PCM_MONO = 6 << 8,
362 EM28XX_AOUT_PCM_PHONE = 7 << 8,
363 };
364
ac97_return_record_select(int a_out)365 static inline int ac97_return_record_select(int a_out)
366 {
367 return (a_out & 0x700) >> 8;
368 }
369
370 struct em28xx_reg_seq {
371 int reg;
372 unsigned char val, mask;
373 int sleep;
374 };
375
376 struct em28xx_input {
377 enum enum28xx_itype type;
378 unsigned int vmux;
379 enum em28xx_amux amux;
380 enum em28xx_aout aout;
381 struct em28xx_reg_seq *gpio;
382 };
383
384 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
385
386 enum em28xx_decoder {
387 EM28XX_NODECODER = 0,
388 EM28XX_TVP5150,
389 EM28XX_SAA711X,
390 };
391
392 enum em28xx_sensor {
393 EM28XX_NOSENSOR = 0,
394 EM28XX_MT9V011,
395 EM28XX_MT9M001,
396 EM28XX_MT9M111,
397 };
398
399 enum em28xx_adecoder {
400 EM28XX_NOADECODER = 0,
401 EM28XX_TVAUDIO,
402 };
403
404 struct em28xx_board {
405 char *name;
406 int vchannels;
407 int tuner_type;
408 int tuner_addr;
409
410 /* i2c flags */
411 unsigned int tda9887_conf;
412
413 /* GPIO sequences */
414 struct em28xx_reg_seq *dvb_gpio;
415 struct em28xx_reg_seq *suspend_gpio;
416 struct em28xx_reg_seq *tuner_gpio;
417 struct em28xx_reg_seq *mute_gpio;
418
419 unsigned int is_em2800:1;
420 unsigned int has_msp34xx:1;
421 unsigned int mts_firmware:1;
422 unsigned int max_range_640_480:1;
423 unsigned int has_dvb:1;
424 unsigned int has_snapshot_button:1;
425 unsigned int is_webcam:1;
426 unsigned int valid:1;
427 unsigned int has_ir_i2c:1;
428
429 unsigned char xclk, i2c_speed;
430 unsigned char radio_addr;
431 unsigned short tvaudio_addr;
432
433 enum em28xx_decoder decoder;
434 enum em28xx_adecoder adecoder;
435
436 struct em28xx_input input[MAX_EM28XX_INPUT];
437 struct em28xx_input radio;
438 char *ir_codes;
439 };
440
441 struct em28xx_eeprom {
442 u32 id; /* 0x9567eb1a */
443 u16 vendor_ID;
444 u16 product_ID;
445
446 u16 chip_conf;
447
448 u16 board_conf;
449
450 u16 string1, string2, string3;
451
452 u8 string_idx_table;
453 };
454
455 /* device states */
456 enum em28xx_dev_state {
457 DEV_INITIALIZED = 0x01,
458 DEV_DISCONNECTED = 0x02,
459 DEV_MISCONFIGURED = 0x04,
460 };
461
462 #define EM28XX_AUDIO_BUFS 5
463 #define EM28XX_NUM_AUDIO_PACKETS 64
464 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
465 #define EM28XX_CAPTURE_STREAM_EN 1
466
467 /* em28xx extensions */
468 #define EM28XX_AUDIO 0x10
469 #define EM28XX_DVB 0x20
470
471 /* em28xx resource types (used for res_get/res_lock etc */
472 #define EM28XX_RESOURCE_VIDEO 0x01
473 #define EM28XX_RESOURCE_VBI 0x02
474
475 struct em28xx_audio {
476 char name[50];
477 char *transfer_buffer[EM28XX_AUDIO_BUFS];
478 struct urb *urb[EM28XX_AUDIO_BUFS];
479 struct usb_device *udev;
480 unsigned int capture_transfer_done;
481 struct snd_pcm_substream *capture_pcm_substream;
482
483 unsigned int hwptr_done_capture;
484 struct snd_card *sndcard;
485
486 int users;
487 spinlock_t slock;
488 };
489
490 struct em28xx;
491
492 struct em28xx_fh {
493 struct em28xx *dev;
494 int radio;
495 unsigned int resources;
496
497 struct videobuf_queue vb_vidq;
498 struct videobuf_queue vb_vbiq;
499
500 enum v4l2_buf_type type;
501 };
502
503 /* main device struct */
504 struct em28xx {
505 /* generic device properties */
506 char name[30]; /* name (including minor) of the device */
507 int model; /* index in the device_data struct */
508 int devno; /* marks the number of this device */
509 enum em28xx_chip_id chip_id;
510
511 int audio_ifnum;
512
513 struct v4l2_device v4l2_dev;
514 struct em28xx_board board;
515
516 /* Webcam specific fields */
517 enum em28xx_sensor em28xx_sensor;
518 int sensor_xres, sensor_yres;
519 int sensor_xtal;
520
521 /* Allows progressive (e. g. non-interlaced) mode */
522 int progressive;
523
524 /* Vinmode/Vinctl used at the driver */
525 int vinmode, vinctl;
526
527 unsigned int has_audio_class:1;
528 unsigned int has_alsa_audio:1;
529 unsigned int is_audio_only:1;
530
531 /* Controls audio streaming */
532 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
533 atomic_t stream_started; /* stream should be running if true */
534
535 struct em28xx_fmt *format;
536
537 struct em28xx_IR *ir;
538
539 /* Some older em28xx chips needs a waiting time after writing */
540 unsigned int wait_after_write;
541
542 struct list_head devlist;
543
544 u32 i2s_speed; /* I2S speed for audio digital stream */
545
546 struct em28xx_audio_mode audio_mode;
547
548 int tuner_type; /* type of the tuner */
549 int tuner_addr; /* tuner address */
550 int tda9887_conf;
551 /* i2c i/o */
552 struct i2c_adapter i2c_adap;
553 struct i2c_client i2c_client;
554 /* video for linux */
555 int users; /* user count for exclusive use */
556 struct video_device *vdev; /* video for linux device struct */
557 v4l2_std_id norm; /* selected tv norm */
558 int ctl_freq; /* selected frequency */
559 unsigned int ctl_input; /* selected input */
560 unsigned int ctl_ainput;/* selected audio input */
561 unsigned int ctl_aoutput;/* selected audio output */
562 int mute;
563 int volume;
564 /* frame properties */
565 int width; /* current frame width */
566 int height; /* current frame height */
567 unsigned hscale; /* horizontal scale factor (see datasheet) */
568 unsigned vscale; /* vertical scale factor (see datasheet) */
569 int interlaced; /* 1=interlace fileds, 0=just top fileds */
570 unsigned int video_bytesread; /* Number of bytes read */
571
572 unsigned long hash; /* eeprom hash - for boards with generic ID */
573 unsigned long i2c_hash; /* i2c devicelist hash -
574 for boards with generic ID */
575
576 struct em28xx_audio adev;
577
578 /* states */
579 enum em28xx_dev_state state;
580 enum em28xx_io_method io;
581
582 /* vbi related state tracking */
583 int capture_type;
584 int vbi_read;
585 unsigned char cur_field;
586 unsigned int vbi_width;
587 unsigned int vbi_height; /* lines per field */
588
589 struct work_struct request_module_wk;
590
591 /* locks */
592 struct mutex lock;
593 struct mutex ctrl_urb_lock; /* protects urb_buf */
594 /* spinlock_t queue_lock; */
595 struct list_head inqueue, outqueue;
596 wait_queue_head_t open, wait_frame, wait_stream;
597 struct video_device *vbi_dev;
598 struct video_device *radio_dev;
599
600 /* resources in use */
601 unsigned int resources;
602
603 unsigned char eedata[256];
604
605 /* Isoc control struct */
606 struct em28xx_dmaqueue vidq;
607 struct em28xx_dmaqueue vbiq;
608 struct em28xx_usb_isoc_ctl isoc_ctl;
609 spinlock_t slock;
610
611 /* usb transfer */
612 struct usb_device *udev; /* the usb device */
613 int alt; /* alternate */
614 int max_pkt_size; /* max packet size of isoc transaction */
615 int num_alt; /* Number of alternative settings */
616 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
617 int dvb_alt; /* alternate for DVB */
618 unsigned int dvb_max_pkt_size; /* wMaxPacketSize for DVB */
619 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
620
621 /* helper funcs that call usb_control_msg */
622 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
623 char *buf, int len);
624 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
625 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
626 char *buf, int len);
627 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
628 char *buf, int len);
629 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
630
631 enum em28xx_mode mode;
632
633 /* register numbers for GPO/GPIO registers */
634 u16 reg_gpo_num, reg_gpio_num;
635
636 /* Caches GPO and GPIO registers */
637 unsigned char reg_gpo, reg_gpio;
638
639 /* Snapshot button */
640 char snapshot_button_path[30]; /* path of the input dev */
641 struct input_dev *sbutton_input_dev;
642 struct delayed_work sbutton_query_work;
643
644 struct em28xx_dvb *dvb;
645
646 /* I2C keyboard data */
647 struct IR_i2c_init_data init_data;
648 };
649
650 struct em28xx_ops {
651 struct list_head next;
652 char *name;
653 int id;
654 int (*init)(struct em28xx *);
655 int (*fini)(struct em28xx *);
656 };
657
658 /* Provided by em28xx-i2c.c */
659 void em28xx_do_i2c_scan(struct em28xx *dev);
660 int em28xx_i2c_register(struct em28xx *dev);
661 int em28xx_i2c_unregister(struct em28xx *dev);
662
663 /* Provided by em28xx-core.c */
664
665 u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
666 void em28xx_queue_unusedframes(struct em28xx *dev);
667 void em28xx_release_buffers(struct em28xx *dev);
668
669 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
670 char *buf, int len);
671 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
672 int em28xx_read_reg(struct em28xx *dev, u16 reg);
673 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
674 int len);
675 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
676 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
677 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
678 u8 bitmask);
679
680 int em28xx_read_ac97(struct em28xx *dev, u8 reg);
681 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
682
683 int em28xx_audio_analog_set(struct em28xx *dev);
684 int em28xx_audio_setup(struct em28xx *dev);
685
686 int em28xx_colorlevels_set_default(struct em28xx *dev);
687 int em28xx_capture_start(struct em28xx *dev, int start);
688 int em28xx_vbi_supported(struct em28xx *dev);
689 int em28xx_set_outfmt(struct em28xx *dev);
690 int em28xx_resolution_set(struct em28xx *dev);
691 int em28xx_set_alternate(struct em28xx *dev);
692 int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode,
693 int max_packets, int num_bufs, int max_pkt_size);
694 int em28xx_init_isoc(struct em28xx *dev, enum em28xx_mode mode,
695 int max_packets, int num_bufs, int max_pkt_size,
696 int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
697 void em28xx_uninit_isoc(struct em28xx *dev, enum em28xx_mode mode);
698 int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev);
699 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
700 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
701 void em28xx_wake_i2c(struct em28xx *dev);
702 int em28xx_register_extension(struct em28xx_ops *dev);
703 void em28xx_unregister_extension(struct em28xx_ops *dev);
704 void em28xx_init_extension(struct em28xx *dev);
705 void em28xx_close_extension(struct em28xx *dev);
706
707 /* Provided by em28xx-video.c */
708 int em28xx_register_analog_devices(struct em28xx *dev);
709 void em28xx_release_analog_resources(struct em28xx *dev);
710
711 /* Provided by em28xx-cards.c */
712 extern int em2800_variant_detect(struct usb_device *udev, int model);
713 extern void em28xx_pre_card_setup(struct em28xx *dev);
714 extern void em28xx_card_setup(struct em28xx *dev);
715 extern struct em28xx_board em28xx_boards[];
716 extern struct usb_device_id em28xx_id_table[];
717 extern const unsigned int em28xx_bcount;
718 void em28xx_register_i2c_ir(struct em28xx *dev);
719 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
720 void em28xx_release_resources(struct em28xx *dev);
721
722 /* Provided by em28xx-input.c */
723
724 #ifdef CONFIG_VIDEO_EM28XX_RC
725
726 int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
727 int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
728 int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
729 u32 *ir_raw);
730 int em28xx_get_key_winfast_usbii_deluxe(struct IR_i2c *ir, u32 *ir_key,
731 u32 *ir_raw);
732 void em28xx_register_snapshot_button(struct em28xx *dev);
733 void em28xx_deregister_snapshot_button(struct em28xx *dev);
734
735 int em28xx_ir_init(struct em28xx *dev);
736 int em28xx_ir_fini(struct em28xx *dev);
737
738 #else
739
740 #define em28xx_get_key_terratec NULL
741 #define em28xx_get_key_em_haup NULL
742 #define em28xx_get_key_pinnacle_usb_grey NULL
743 #define em28xx_get_key_winfast_usbii_deluxe NULL
744
em28xx_register_snapshot_button(struct em28xx * dev)745 static inline void em28xx_register_snapshot_button(struct em28xx *dev) {}
em28xx_deregister_snapshot_button(struct em28xx * dev)746 static inline void em28xx_deregister_snapshot_button(struct em28xx *dev) {}
em28xx_ir_init(struct em28xx * dev)747 static inline int em28xx_ir_init(struct em28xx *dev) { return 0; }
em28xx_ir_fini(struct em28xx * dev)748 static inline int em28xx_ir_fini(struct em28xx *dev) { return 0; }
749
750 #endif
751
752 /* Provided by em28xx-vbi.c */
753 extern struct videobuf_queue_ops em28xx_vbi_qops;
754
755 /* printk macros */
756
757 #define em28xx_err(fmt, arg...) do {\
758 printk(KERN_ERR fmt , ##arg); } while (0)
759
760 #define em28xx_errdev(fmt, arg...) do {\
761 printk(KERN_ERR "%s: "fmt,\
762 dev->name , ##arg); } while (0)
763
764 #define em28xx_info(fmt, arg...) do {\
765 printk(KERN_INFO "%s: "fmt,\
766 dev->name , ##arg); } while (0)
767 #define em28xx_warn(fmt, arg...) do {\
768 printk(KERN_WARNING "%s: "fmt,\
769 dev->name , ##arg); } while (0)
770
em28xx_compression_disable(struct em28xx * dev)771 static inline int em28xx_compression_disable(struct em28xx *dev)
772 {
773 /* side effect of disabling scaler and mixer */
774 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
775 }
776
em28xx_contrast_get(struct em28xx * dev)777 static inline int em28xx_contrast_get(struct em28xx *dev)
778 {
779 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
780 }
781
em28xx_brightness_get(struct em28xx * dev)782 static inline int em28xx_brightness_get(struct em28xx *dev)
783 {
784 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
785 }
786
em28xx_saturation_get(struct em28xx * dev)787 static inline int em28xx_saturation_get(struct em28xx *dev)
788 {
789 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
790 }
791
em28xx_u_balance_get(struct em28xx * dev)792 static inline int em28xx_u_balance_get(struct em28xx *dev)
793 {
794 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
795 }
796
em28xx_v_balance_get(struct em28xx * dev)797 static inline int em28xx_v_balance_get(struct em28xx *dev)
798 {
799 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
800 }
801
em28xx_gamma_get(struct em28xx * dev)802 static inline int em28xx_gamma_get(struct em28xx *dev)
803 {
804 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
805 }
806
em28xx_contrast_set(struct em28xx * dev,s32 val)807 static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
808 {
809 u8 tmp = (u8) val;
810 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
811 }
812
em28xx_brightness_set(struct em28xx * dev,s32 val)813 static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
814 {
815 u8 tmp = (u8) val;
816 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
817 }
818
em28xx_saturation_set(struct em28xx * dev,s32 val)819 static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
820 {
821 u8 tmp = (u8) val;
822 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
823 }
824
em28xx_u_balance_set(struct em28xx * dev,s32 val)825 static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
826 {
827 u8 tmp = (u8) val;
828 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
829 }
830
em28xx_v_balance_set(struct em28xx * dev,s32 val)831 static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
832 {
833 u8 tmp = (u8) val;
834 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
835 }
836
em28xx_gamma_set(struct em28xx * dev,s32 val)837 static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
838 {
839 u8 tmp = (u8) val;
840 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
841 }
842
843 /*FIXME: maxw should be dependent of alt mode */
norm_maxw(struct em28xx * dev)844 static inline unsigned int norm_maxw(struct em28xx *dev)
845 {
846 if (dev->board.is_webcam)
847 return dev->sensor_xres;
848
849 if (dev->board.max_range_640_480)
850 return 640;
851
852 return 720;
853 }
854
norm_maxh(struct em28xx * dev)855 static inline unsigned int norm_maxh(struct em28xx *dev)
856 {
857 if (dev->board.is_webcam)
858 return dev->sensor_yres;
859
860 if (dev->board.max_range_640_480)
861 return 480;
862
863 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
864 }
865 #endif
866