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