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/videodev2.h>
29 #include <media/videobuf-vmalloc.h>
30 #include <media/v4l2-device.h>
31
32 #include <linux/i2c.h>
33 #include <linux/mutex.h>
34 #include <media/ir-kbd-i2c.h>
35 #if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
36 #include <media/videobuf-dvb.h>
37 #endif
38 #include "tuner-xc2028.h"
39 #include "em28xx-reg.h"
40
41 /* Boards supported by driver */
42 #define EM2800_BOARD_UNKNOWN 0
43 #define EM2820_BOARD_UNKNOWN 1
44 #define EM2820_BOARD_TERRATEC_CINERGY_250 2
45 #define EM2820_BOARD_PINNACLE_USB_2 3
46 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
47 #define EM2820_BOARD_MSI_VOX_USB_2 5
48 #define EM2800_BOARD_TERRATEC_CINERGY_200 6
49 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
50 #define EM2800_BOARD_KWORLD_USB2800 8
51 #define EM2820_BOARD_PINNACLE_DVC_90 9
52 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
53 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11
54 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12
55 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
56 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
57 #define EM2800_BOARD_VGEAR_POCKETTV 15
58 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
59 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
60 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
61 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
62 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
63 #define EM2800_BOARD_GRABBEEX_USB2800 21
64 #define EM2750_BOARD_UNKNOWN 22
65 #define EM2750_BOARD_DLCW_130 23
66 #define EM2820_BOARD_DLINK_USB_TV 24
67 #define EM2820_BOARD_GADMEI_UTV310 25
68 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
69 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
70 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
71 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
72 #define EM2821_BOARD_USBGEAR_VD204 31
73 #define EM2821_BOARD_SUPERCOMP_USB_2 32
74 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34
75 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35
76 #define EM2860_BOARD_NETGMBH_CAM 36
77 #define EM2860_BOARD_GADMEI_UTV330 37
78 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
79 #define EM2861_BOARD_KWORLD_PVRTV_300U 39
80 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40
81 #define EM2870_BOARD_KWORLD_350U 41
82 #define EM2870_BOARD_KWORLD_355U 42
83 #define EM2870_BOARD_TERRATEC_XS 43
84 #define EM2870_BOARD_TERRATEC_XS_MT2060 44
85 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45
86 #define EM2870_BOARD_COMPRO_VIDEOMATE 46
87 #define EM2880_BOARD_KWORLD_DVB_305U 47
88 #define EM2880_BOARD_KWORLD_DVB_310U 48
89 #define EM2880_BOARD_MSI_DIGIVOX_AD 49
90 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
91 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
92 #define EM2881_BOARD_DNT_DA2_HYBRID 52
93 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
94 #define EM2882_BOARD_KWORLD_VS_DVBT 54
95 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55
96 #define EM2882_BOARD_PINNACLE_HYBRID_PRO 56
97 #define EM2883_BOARD_KWORLD_HYBRID_330U 57
98 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
99 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
100 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
101 #define EM2820_BOARD_GADMEI_TVR200 62
102 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63
103 #define EM2860_BOARD_EASYCAP 64
104 #define EM2820_BOARD_IODATA_GVMVP_SZ 65
105 #define EM2880_BOARD_EMPIRE_DUAL_TV 66
106 #define EM2860_BOARD_TERRATEC_GRABBY 67
107 #define EM2860_BOARD_TERRATEC_AV350 68
108 #define EM2882_BOARD_KWORLD_ATSC_315U 69
109 #define EM2882_BOARD_EVGA_INDTUBE 70
110 #define EM2820_BOARD_SILVERCREST_WEBCAM 71
111
112 /* Limits minimum and default number of buffers */
113 #define EM28XX_MIN_BUF 4
114 #define EM28XX_DEF_BUF 8
115
116 /*Limits the max URB message size */
117 #define URB_MAX_CTRL_SIZE 80
118
119 /* Params for validated field */
120 #define EM28XX_BOARD_NOT_VALIDATED 1
121 #define EM28XX_BOARD_VALIDATED 0
122
123 /* Params for em28xx_cmd() audio */
124 #define EM28XX_START_AUDIO 1
125 #define EM28XX_STOP_AUDIO 0
126
127 /* maximum number of em28xx boards */
128 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
129
130 /* maximum number of frames that can be queued */
131 #define EM28XX_NUM_FRAMES 5
132 /* number of frames that get used for v4l2_read() */
133 #define EM28XX_NUM_READ_FRAMES 2
134
135 /* number of buffers for isoc transfers */
136 #define EM28XX_NUM_BUFS 5
137
138 /* number of packets for each buffer
139 windows requests only 40 packets .. so we better do the same
140 this is what I found out for all alternate numbers there!
141 */
142 #define EM28XX_NUM_PACKETS 40
143
144 /* default alternate; 0 means choose the best */
145 #define EM28XX_PINOUT 0
146
147 #define EM28XX_INTERLACED_DEFAULT 1
148
149 /*
150 #define (use usbview if you want to get the other alternate number infos)
151 #define
152 #define alternate number 2
153 #define Endpoint Address: 82
154 Direction: in
155 Attribute: 1
156 Type: Isoc
157 Max Packet Size: 1448
158 Interval: 125us
159
160 alternate number 7
161
162 Endpoint Address: 82
163 Direction: in
164 Attribute: 1
165 Type: Isoc
166 Max Packet Size: 3072
167 Interval: 125us
168 */
169
170 /* time to wait when stopping the isoc transfer */
171 #define EM28XX_URB_TIMEOUT \
172 msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
173
174 /* time in msecs to wait for i2c writes to finish */
175 #define EM2800_I2C_WRITE_TIMEOUT 20
176
177 enum em28xx_mode {
178 EM28XX_SUSPEND,
179 EM28XX_ANALOG_MODE,
180 EM28XX_DIGITAL_MODE,
181 };
182
183 enum em28xx_stream_state {
184 STREAM_OFF,
185 STREAM_INTERRUPT,
186 STREAM_ON,
187 };
188
189 struct em28xx;
190
191 struct em28xx_usb_isoc_ctl {
192 /* max packet size of isoc transaction */
193 int max_pkt_size;
194
195 /* number of allocated urbs */
196 int num_bufs;
197
198 /* urb for isoc transfers */
199 struct urb **urb;
200
201 /* transfer buffers for isoc transfer */
202 char **transfer_buffer;
203
204 /* Last buffer command and region */
205 u8 cmd;
206 int pos, size, pktsize;
207
208 /* Last field: ODD or EVEN? */
209 int field;
210
211 /* Stores incomplete commands */
212 u32 tmp_buf;
213 int tmp_buf_len;
214
215 /* Stores already requested buffers */
216 struct em28xx_buffer *buf;
217
218 /* Stores the number of received fields */
219 int nfields;
220
221 /* isoc urb callback */
222 int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
223
224 };
225
226 /* Struct to enumberate video formats */
227 struct em28xx_fmt {
228 char *name;
229 u32 fourcc; /* v4l2 format id */
230 int depth;
231 int reg;
232 };
233
234 /* buffer for one video frame */
235 struct em28xx_buffer {
236 /* common v4l buffer stuff -- must be first */
237 struct videobuf_buffer vb;
238
239 struct list_head frame;
240 int top_field;
241 int receiving;
242 };
243
244 struct em28xx_dmaqueue {
245 struct list_head active;
246 struct list_head queued;
247
248 wait_queue_head_t wq;
249
250 /* Counters to control buffer fill */
251 int pos;
252 };
253
254 /* io methods */
255 enum em28xx_io_method {
256 IO_NONE,
257 IO_READ,
258 IO_MMAP,
259 };
260
261 /* inputs */
262
263 #define MAX_EM28XX_INPUT 4
264 enum enum28xx_itype {
265 EM28XX_VMUX_COMPOSITE1 = 1,
266 EM28XX_VMUX_COMPOSITE2,
267 EM28XX_VMUX_COMPOSITE3,
268 EM28XX_VMUX_COMPOSITE4,
269 EM28XX_VMUX_SVIDEO,
270 EM28XX_VMUX_TELEVISION,
271 EM28XX_VMUX_CABLE,
272 EM28XX_VMUX_DVB,
273 EM28XX_VMUX_DEBUG,
274 EM28XX_RADIO,
275 };
276
277 enum em28xx_ac97_mode {
278 EM28XX_NO_AC97 = 0,
279 EM28XX_AC97_EM202,
280 EM28XX_AC97_SIGMATEL,
281 EM28XX_AC97_OTHER,
282 };
283
284 struct em28xx_audio_mode {
285 enum em28xx_ac97_mode ac97;
286
287 u16 ac97_feat;
288 u32 ac97_vendor_id;
289
290 unsigned int has_audio:1;
291
292 unsigned int i2s_3rates:1;
293 unsigned int i2s_5rates:1;
294 };
295
296 /* em28xx has two audio inputs: tuner and line in.
297 However, on most devices, an auxiliary AC97 codec device is used.
298 The AC97 device may have several different inputs and outputs,
299 depending on their model. So, it is possible to use AC97 mixer to
300 address more than two different entries.
301 */
302 enum em28xx_amux {
303 /* This is the only entry for em28xx tuner input */
304 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
305
306 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
307
308 /* Some less-common mixer setups */
309 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
310 EM28XX_AMUX_PHONE,
311 EM28XX_AMUX_MIC,
312 EM28XX_AMUX_CD,
313 EM28XX_AMUX_AUX,
314 EM28XX_AMUX_PCM_OUT,
315 };
316
317 enum em28xx_aout {
318 /* AC97 outputs */
319 EM28XX_AOUT_MASTER = 1 << 0,
320 EM28XX_AOUT_LINE = 1 << 1,
321 EM28XX_AOUT_MONO = 1 << 2,
322 EM28XX_AOUT_LFE = 1 << 3,
323 EM28XX_AOUT_SURR = 1 << 4,
324
325 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
326 EM28XX_AOUT_PCM_IN = 1 << 7,
327
328 /* Bits 10-8 are used to indicate the PCM IN record select */
329 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
330 EM28XX_AOUT_PCM_CD = 1 << 8,
331 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
332 EM28XX_AOUT_PCM_AUX = 3 << 8,
333 EM28XX_AOUT_PCM_LINE = 4 << 8,
334 EM28XX_AOUT_PCM_STEREO = 5 << 8,
335 EM28XX_AOUT_PCM_MONO = 6 << 8,
336 EM28XX_AOUT_PCM_PHONE = 7 << 8,
337 };
338
339 static inline int ac97_return_record_select(int a_out)
340 {
341 return (a_out & 0x700) >> 8;
342 }
343
344 struct em28xx_reg_seq {
345 int reg;
346 unsigned char val, mask;
347 int sleep;
348 };
349
350 struct em28xx_input {
351 enum enum28xx_itype type;
352 unsigned int vmux;
353 enum em28xx_amux amux;
354 enum em28xx_aout aout;
355 struct em28xx_reg_seq *gpio;
356 };
357
358 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
359
360 enum em28xx_decoder {
361 EM28XX_NODECODER = 0,
362 EM28XX_TVP5150,
363 EM28XX_SAA711X,
364 };
365
366 enum em28xx_sensor {
367 EM28XX_NOSENSOR = 0,
368 EM28XX_MT9V011,
369 EM28XX_MT9M001,
370 EM28XX_MT9M111,
371 };
372
373 enum em28xx_adecoder {
374 EM28XX_NOADECODER = 0,
375 EM28XX_TVAUDIO,
376 };
377
378 struct em28xx_board {
379 char *name;
380 int vchannels;
381 int tuner_type;
382 int tuner_addr;
383
384 /* i2c flags */
385 unsigned int tda9887_conf;
386
387 /* GPIO sequences */
388 struct em28xx_reg_seq *dvb_gpio;
389 struct em28xx_reg_seq *suspend_gpio;
390 struct em28xx_reg_seq *tuner_gpio;
391 struct em28xx_reg_seq *mute_gpio;
392
393 unsigned int is_em2800:1;
394 unsigned int has_msp34xx:1;
395 unsigned int mts_firmware:1;
396 unsigned int max_range_640_480:1;
397 unsigned int has_dvb:1;
398 unsigned int has_snapshot_button:1;
399 unsigned int is_webcam:1;
400 unsigned int valid:1;
401
402 unsigned char xclk, i2c_speed;
403 unsigned char radio_addr;
404 unsigned short tvaudio_addr;
405
406 enum em28xx_decoder decoder;
407 enum em28xx_adecoder adecoder;
408
409 struct em28xx_input input[MAX_EM28XX_INPUT];
410 struct em28xx_input radio;
411 IR_KEYTAB_TYPE *ir_codes;
412 };
413
414 struct em28xx_eeprom {
415 u32 id; /* 0x9567eb1a */
416 u16 vendor_ID;
417 u16 product_ID;
418
419 u16 chip_conf;
420
421 u16 board_conf;
422
423 u16 string1, string2, string3;
424
425 u8 string_idx_table;
426 };
427
428 /* device states */
429 enum em28xx_dev_state {
430 DEV_INITIALIZED = 0x01,
431 DEV_DISCONNECTED = 0x02,
432 DEV_MISCONFIGURED = 0x04,
433 };
434
435 #define EM28XX_AUDIO_BUFS 5
436 #define EM28XX_NUM_AUDIO_PACKETS 64
437 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
438 #define EM28XX_CAPTURE_STREAM_EN 1
439
440 /* em28xx extensions */
441 #define EM28XX_AUDIO 0x10
442 #define EM28XX_DVB 0x20
443
444 struct em28xx_audio {
445 char name[50];
446 char *transfer_buffer[EM28XX_AUDIO_BUFS];
447 struct urb *urb[EM28XX_AUDIO_BUFS];
448 struct usb_device *udev;
449 unsigned int capture_transfer_done;
450 struct snd_pcm_substream *capture_pcm_substream;
451
452 unsigned int hwptr_done_capture;
453 struct snd_card *sndcard;
454
455 int users;
456 enum em28xx_stream_state capture_stream;
457 spinlock_t slock;
458 };
459
460 struct em28xx;
461
462 struct em28xx_fh {
463 struct em28xx *dev;
464 unsigned int stream_on:1; /* Locks streams */
465 int radio;
466
467 struct videobuf_queue vb_vidq;
468
469 enum v4l2_buf_type type;
470 };
471
472 /* main device struct */
473 struct em28xx {
474 /* generic device properties */
475 char name[30]; /* name (including minor) of the device */
476 int model; /* index in the device_data struct */
477 int devno; /* marks the number of this device */
478 enum em28xx_chip_id chip_id;
479
480 struct v4l2_device v4l2_dev;
481 struct em28xx_board board;
482
483 /* Webcam specific fields */
484 enum em28xx_sensor em28xx_sensor;
485 int sensor_xres, sensor_yres;
486 int sensor_xtal;
487
488 /* Allows progressive (e. g. non-interlaced) mode */
489 int progressive;
490
491 /* Vinmode/Vinctl used at the driver */
492 int vinmode, vinctl;
493
494 unsigned int stream_on:1; /* Locks streams */
495 unsigned int has_audio_class:1;
496 unsigned int has_alsa_audio:1;
497
498 struct em28xx_fmt *format;
499
500 struct em28xx_IR *ir;
501
502 /* Some older em28xx chips needs a waiting time after writing */
503 unsigned int wait_after_write;
504
505 struct list_head devlist;
506
507 u32 i2s_speed; /* I2S speed for audio digital stream */
508
509 struct em28xx_audio_mode audio_mode;
510
511 int tuner_type; /* type of the tuner */
512 int tuner_addr; /* tuner address */
513 int tda9887_conf;
514 /* i2c i/o */
515 struct i2c_adapter i2c_adap;
516 struct i2c_client i2c_client;
517 /* video for linux */
518 int users; /* user count for exclusive use */
519 struct video_device *vdev; /* video for linux device struct */
520 v4l2_std_id norm; /* selected tv norm */
521 int ctl_freq; /* selected frequency */
522 unsigned int ctl_input; /* selected input */
523 unsigned int ctl_ainput;/* selected audio input */
524 unsigned int ctl_aoutput;/* selected audio output */
525 int mute;
526 int volume;
527 /* frame properties */
528 int width; /* current frame width */
529 int height; /* current frame height */
530 unsigned hscale; /* horizontal scale factor (see datasheet) */
531 unsigned vscale; /* vertical scale factor (see datasheet) */
532 int interlaced; /* 1=interlace fileds, 0=just top fileds */
533 unsigned int video_bytesread; /* Number of bytes read */
534
535 unsigned long hash; /* eeprom hash - for boards with generic ID */
536 unsigned long i2c_hash; /* i2c devicelist hash -
537 for boards with generic ID */
538
539 struct em28xx_audio adev;
540
541 /* states */
542 enum em28xx_dev_state state;
543 enum em28xx_io_method io;
544
545 struct work_struct request_module_wk;
546
547 /* locks */
548 struct mutex lock;
549 struct mutex ctrl_urb_lock; /* protects urb_buf */
550 /* spinlock_t queue_lock; */
551 struct list_head inqueue, outqueue;
552 wait_queue_head_t open, wait_frame, wait_stream;
553 struct video_device *vbi_dev;
554 struct video_device *radio_dev;
555
556 unsigned char eedata[256];
557
558 /* Isoc control struct */
559 struct em28xx_dmaqueue vidq;
560 struct em28xx_usb_isoc_ctl isoc_ctl;
561 spinlock_t slock;
562
563 /* usb transfer */
564 struct usb_device *udev; /* the usb device */
565 int alt; /* alternate */
566 int max_pkt_size; /* max packet size of isoc transaction */
567 int num_alt; /* Number of alternative settings */
568 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
569 struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */
570 char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc
571 transfer */
572 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
573
574 /* helper funcs that call usb_control_msg */
575 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
576 char *buf, int len);
577 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
578 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
579 char *buf, int len);
580 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
581 char *buf, int len);
582 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
583
584 enum em28xx_mode mode;
585
586 /* register numbers for GPO/GPIO registers */
587 u16 reg_gpo_num, reg_gpio_num;
588
589 /* Caches GPO and GPIO registers */
590 unsigned char reg_gpo, reg_gpio;
591
592 /* Snapshot button */
593 char snapshot_button_path[30]; /* path of the input dev */
594 struct input_dev *sbutton_input_dev;
595 struct delayed_work sbutton_query_work;
596
597 struct em28xx_dvb *dvb;
598
599 /* I2C keyboard data */
600 struct i2c_board_info info;
601 struct IR_i2c_init_data init_data;
602 };
603
604 struct em28xx_ops {
605 struct list_head next;
606 char *name;
607 int id;
608 int (*init)(struct em28xx *);
609 int (*fini)(struct em28xx *);
610 };
611
612 /* Provided by em28xx-i2c.c */
613 void em28xx_do_i2c_scan(struct em28xx *dev);
614 int em28xx_i2c_register(struct em28xx *dev);
615 int em28xx_i2c_unregister(struct em28xx *dev);
616
617 /* Provided by em28xx-core.c */
618
619 u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
620 void em28xx_queue_unusedframes(struct em28xx *dev);
621 void em28xx_release_buffers(struct em28xx *dev);
622
623 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
624 char *buf, int len);
625 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
626 int em28xx_read_reg(struct em28xx *dev, u16 reg);
627 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
628 int len);
629 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
630 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
631
632 int em28xx_read_ac97(struct em28xx *dev, u8 reg);
633 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
634
635 int em28xx_audio_analog_set(struct em28xx *dev);
636 int em28xx_audio_setup(struct em28xx *dev);
637
638 int em28xx_colorlevels_set_default(struct em28xx *dev);
639 int em28xx_capture_start(struct em28xx *dev, int start);
640 int em28xx_set_outfmt(struct em28xx *dev);
641 int em28xx_resolution_set(struct em28xx *dev);
642 int em28xx_set_alternate(struct em28xx *dev);
643 int em28xx_init_isoc(struct em28xx *dev, int max_packets,
644 int num_bufs, int max_pkt_size,
645 int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
646 void em28xx_uninit_isoc(struct em28xx *dev);
647 int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev);
648 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
649 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
650 void em28xx_wake_i2c(struct em28xx *dev);
651 void em28xx_remove_from_devlist(struct em28xx *dev);
652 void em28xx_add_into_devlist(struct em28xx *dev);
653 struct em28xx *em28xx_get_device(int minor,
654 enum v4l2_buf_type *fh_type,
655 int *has_radio);
656 int em28xx_register_extension(struct em28xx_ops *dev);
657 void em28xx_unregister_extension(struct em28xx_ops *dev);
658 void em28xx_init_extension(struct em28xx *dev);
659 void em28xx_close_extension(struct em28xx *dev);
660
661 /* Provided by em28xx-video.c */
662 int em28xx_register_analog_devices(struct em28xx *dev);
663 void em28xx_release_analog_resources(struct em28xx *dev);
664
665 /* Provided by em28xx-cards.c */
666 extern int em2800_variant_detect(struct usb_device *udev, int model);
667 extern void em28xx_pre_card_setup(struct em28xx *dev);
668 extern void em28xx_card_setup(struct em28xx *dev);
669 extern struct em28xx_board em28xx_boards[];
670 extern struct usb_device_id em28xx_id_table[];
671 extern const unsigned int em28xx_bcount;
672 void em28xx_register_i2c_ir(struct em28xx *dev);
673 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
674 void em28xx_release_resources(struct em28xx *dev);
675
676 /* Provided by em28xx-input.c */
677 int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
678 int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
679 int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
680 u32 *ir_raw);
681 void em28xx_register_snapshot_button(struct em28xx *dev);
682 void em28xx_deregister_snapshot_button(struct em28xx *dev);
683
684 int em28xx_ir_init(struct em28xx *dev);
685 int em28xx_ir_fini(struct em28xx *dev);
686
687 /* printk macros */
688
689 #define em28xx_err(fmt, arg...) do {\
690 printk(KERN_ERR fmt , ##arg); } while (0)
691
692 #define em28xx_errdev(fmt, arg...) do {\
693 printk(KERN_ERR "%s: "fmt,\
694 dev->name , ##arg); } while (0)
695
696 #define em28xx_info(fmt, arg...) do {\
697 printk(KERN_INFO "%s: "fmt,\
698 dev->name , ##arg); } while (0)
699 #define em28xx_warn(fmt, arg...) do {\
700 printk(KERN_WARNING "%s: "fmt,\
701 dev->name , ##arg); } while (0)
702
703 static inline int em28xx_compression_disable(struct em28xx *dev)
704 {
705 /* side effect of disabling scaler and mixer */
706 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
707 }
708
709 static inline int em28xx_contrast_get(struct em28xx *dev)
710 {
711 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
712 }
713
714 static inline int em28xx_brightness_get(struct em28xx *dev)
715 {
716 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
717 }
718
719 static inline int em28xx_saturation_get(struct em28xx *dev)
720 {
721 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
722 }
723
724 static inline int em28xx_u_balance_get(struct em28xx *dev)
725 {
726 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
727 }
728
729 static inline int em28xx_v_balance_get(struct em28xx *dev)
730 {
731 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
732 }
733
734 static inline int em28xx_gamma_get(struct em28xx *dev)
735 {
736 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
737 }
738
739 static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
740 {
741 u8 tmp = (u8) val;
742 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
743 }
744
745 static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
746 {
747 u8 tmp = (u8) val;
748 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
749 }
750
751 static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
752 {
753 u8 tmp = (u8) val;
754 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
755 }
756
757 static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
758 {
759 u8 tmp = (u8) val;
760 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
761 }
762
763 static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
764 {
765 u8 tmp = (u8) val;
766 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
767 }
768
769 static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
770 {
771 u8 tmp = (u8) val;
772 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
773 }
774
775 /*FIXME: maxw should be dependent of alt mode */
776 static inline unsigned int norm_maxw(struct em28xx *dev)
777 {
778 if (dev->board.is_webcam)
779 return dev->sensor_xres;
780
781 if (dev->board.max_range_640_480)
782 return 640;
783
784 return 720;
785 }
786
787 static inline unsigned int norm_maxh(struct em28xx *dev)
788 {
789 if (dev->board.is_webcam)
790 return dev->sensor_yres;
791
792 if (dev->board.max_range_640_480)
793 return 480;
794
795 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
796 }
797 #endif
798
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