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a6c2ba28 1/*
0e7072ef 2 em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
a6c2ba28 3
4 Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
4ac97914 5 Ludovico Cavedon <cavedon@sssup.it>
2e7c6dc3 6 Mauro Carvalho Chehab <mchehab@infradead.org>
0cf544a6 7 Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
a6c2ba28 8
9 Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
3acf2809
MCC
26#ifndef _EM28XX_H
27#define _EM28XX_H
a6c2ba28 28
39a96b4c
MCC
29#include <linux/workqueue.h>
30#include <linux/i2c.h>
31#include <linux/mutex.h>
cb77d010 32#include <linux/videodev2.h>
39a96b4c 33
d3829fad 34#include <media/videobuf2-vmalloc.h>
f2cf250a 35#include <media/v4l2-device.h>
081b945e 36#include <media/v4l2-ctrls.h>
69a61642 37#include <media/v4l2-fh.h>
d5e52653 38#include <media/ir-kbd-i2c.h>
6bda9644 39#include <media/rc-core.h>
3ca9c093 40#include "tuner-xc2028.h"
82e7dbbd 41#include "xc5000.h"
2ba890ec 42#include "em28xx-reg.h"
3aefb79a
MCC
43
44/* Boards supported by driver */
d5b6a746
FS
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
95b86a9a
DSL
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
443fed9f 74#define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29
95b86a9a
DSL
75#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
76#define EM2821_BOARD_USBGEAR_VD204 31
77#define EM2821_BOARD_SUPERCOMP_USB_2 32
8298f2f8 78#define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
95b86a9a
DSL
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
09bc1942 101#define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56
d5b6a746 102#define EM2883_BOARD_KWORLD_HYBRID_330U 57
ee281b85 103#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
f89bc329 104#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
1e1addd5 105#define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
f7fe3e6f 106#define EM2820_BOARD_GADMEI_TVR200 62
d5b6a746
FS
107#define EM2860_BOARD_KAIOMY_TVNPC_U2 63
108#define EM2860_BOARD_EASYCAP 64
f74a61e3 109#define EM2820_BOARD_IODATA_GVMVP_SZ 65
e5db5d44 110#define EM2880_BOARD_EMPIRE_DUAL_TV 66
4557af9c 111#define EM2860_BOARD_TERRATEC_GRABBY 67
766ed64d 112#define EM2860_BOARD_TERRATEC_AV350 68
d7de5d8f 113#define EM2882_BOARD_KWORLD_ATSC_315U 69
19859229 114#define EM2882_BOARD_EVGA_INDTUBE 70
d5b6a746
FS
115#define EM2820_BOARD_SILVERCREST_WEBCAM 71
116#define EM2861_BOARD_GADMEI_UTV330PLUS 72
117#define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73
694a101e 118#define EM2800_BOARD_VC211A 74
7ca7ef60 119#define EM2882_BOARD_DIKOM_DK300 75
7e48b30a 120#define EM2870_BOARD_KWORLD_A340 76
fec528b7 121#define EM2874_BOARD_LEADERSHIP_ISDBT 77
d5b6a746 122#define EM28174_BOARD_PCTV_290E 78
fec528b7 123#define EM2884_BOARD_TERRATEC_H5 79
d5b6a746 124#define EM28174_BOARD_PCTV_460E 80
82e7dbbd 125#define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81
a1ed02e9 126#define EM2884_BOARD_CINERGY_HTC_STICK 82
d5b6a746
FS
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
89040136 131#define EM2884_BOARD_TERRATEC_HTC_USB_XS 87
3aefb79a
MCC
132
133/* Limits minimum and default number of buffers */
134#define EM28XX_MIN_BUF 4
135#define EM28XX_DEF_BUF 8
a6c2ba28 136
c4a98793
MCC
137/*Limits the max URB message size */
138#define URB_MAX_CTRL_SIZE 80
139
95b86a9a
DSL
140/* Params for validated field */
141#define EM28XX_BOARD_NOT_VALIDATED 1
142#define EM28XX_BOARD_VALIDATED 0
143
22cff7b3
DSL
144/* Params for em28xx_cmd() audio */
145#define EM28XX_START_AUDIO 1
146#define EM28XX_STOP_AUDIO 0
147
596d92d5 148/* maximum number of em28xx boards */
3687e1e6 149#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
596d92d5 150
a6c2ba28 151/* maximum number of frames that can be queued */
3acf2809 152#define EM28XX_NUM_FRAMES 5
a6c2ba28 153/* number of frames that get used for v4l2_read() */
3acf2809 154#define EM28XX_NUM_READ_FRAMES 2
a6c2ba28 155
156/* number of buffers for isoc transfers */
3acf2809 157#define EM28XX_NUM_BUFS 5
86d38d1e 158#define EM28XX_DVB_NUM_BUFS 5
a6c2ba28 159
c7a45e5b
MCC
160/* max number of I2C buses on em28xx devices */
161#define NUM_I2C_BUSES 2
162
515688a8 163/* isoc transfers: number of packets for each buffer
33c02fac 164 windows requests only 64 packets .. so we better do the same
d5e52653
MCC
165 this is what I found out for all alternate numbers there!
166 */
515688a8
FS
167#define EM28XX_NUM_ISOC_PACKETS 64
168#define EM28XX_DVB_NUM_ISOC_PACKETS 64
a6c2ba28 169
c647a91a
FS
170/* bulk transfers: transfer buffer size = packet size * packet multiplier
171 USB 2.0 spec says bulk packet size is always 512 bytes
172 */
173#define EM28XX_BULK_PACKET_MULTIPLIER 384
174#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384
175
3acf2809 176#define EM28XX_INTERLACED_DEFAULT 1
a6c2ba28 177
596d92d5 178/* time in msecs to wait for i2c writes to finish */
2fcc82d8 179#define EM2800_I2C_XFER_TIMEOUT 20
596d92d5 180
3aefb79a 181enum em28xx_mode {
2fe3e2ee 182 EM28XX_SUSPEND,
3aefb79a
MCC
183 EM28XX_ANALOG_MODE,
184 EM28XX_DIGITAL_MODE,
185};
186
a6c2ba28 187
579f72e4
AT
188struct em28xx;
189
f0fa9936 190struct em28xx_usb_bufs {
ad0ebb96
MCC
191 /* max packet size of isoc transaction */
192 int max_pkt_size;
193
86d38d1e
GG
194 /* number of packets in each buffer */
195 int num_packets;
196
ad0ebb96
MCC
197 /* number of allocated urbs */
198 int num_bufs;
199
f0fa9936 200 /* urb for isoc/bulk transfers */
ad0ebb96
MCC
201 struct urb **urb;
202
f0fa9936 203 /* transfer buffers for isoc/bulk transfer */
ad0ebb96 204 char **transfer_buffer;
86d38d1e
GG
205};
206
74209dc0
FS
207struct em28xx_usb_ctl {
208 /* isoc/bulk transfer buffers for analog mode */
f0fa9936 209 struct em28xx_usb_bufs analog_bufs;
86d38d1e 210
74209dc0 211 /* isoc/bulk transfer buffers for digital mode */
f0fa9936 212 struct em28xx_usb_bufs digital_bufs;
ad0ebb96 213
ad0ebb96 214 /* Stores already requested buffers */
28abf083
DH
215 struct em28xx_buffer *vid_buf;
216 struct em28xx_buffer *vbi_buf;
ad0ebb96 217
74209dc0
FS
218 /* copy data from URB */
219 int (*urb_data_copy) (struct em28xx *dev, struct urb *urb);
579f72e4 220
ad0ebb96
MCC
221};
222
bddcf633 223/* Struct to enumberate video formats */
ad0ebb96
MCC
224struct em28xx_fmt {
225 char *name;
226 u32 fourcc; /* v4l2 format id */
bddcf633
MCC
227 int depth;
228 int reg;
ad0ebb96
MCC
229};
230
231/* buffer for one video frame */
232struct em28xx_buffer {
233 /* common v4l buffer stuff -- must be first */
d3829fad
DH
234 struct vb2_buffer vb;
235 struct list_head list;
ad0ebb96 236
d3829fad
DH
237 void *mem;
238 unsigned int length;
a6c2ba28 239 int top_field;
8732533b
FS
240
241 /* counter to control buffer fill */
242 unsigned int pos;
243 /* NOTE; in interlaced mode, this value is reset to zero at
244 * the start of each new field (not frame !) */
4078d625
FS
245
246 /* pointer to vmalloc memory address in vb */
247 char *vb_buf;
ad0ebb96
MCC
248};
249
250struct em28xx_dmaqueue {
251 struct list_head active;
ad0ebb96
MCC
252
253 wait_queue_head_t wq;
a6c2ba28 254};
255
a6c2ba28 256/* inputs */
257
3acf2809
MCC
258#define MAX_EM28XX_INPUT 4
259enum enum28xx_itype {
260 EM28XX_VMUX_COMPOSITE1 = 1,
261 EM28XX_VMUX_COMPOSITE2,
262 EM28XX_VMUX_COMPOSITE3,
263 EM28XX_VMUX_COMPOSITE4,
264 EM28XX_VMUX_SVIDEO,
265 EM28XX_VMUX_TELEVISION,
266 EM28XX_VMUX_CABLE,
267 EM28XX_VMUX_DVB,
268 EM28XX_VMUX_DEBUG,
269 EM28XX_RADIO,
a6c2ba28 270};
271
35643943
MCC
272enum em28xx_ac97_mode {
273 EM28XX_NO_AC97 = 0,
274 EM28XX_AC97_EM202,
209acc02 275 EM28XX_AC97_SIGMATEL,
35643943
MCC
276 EM28XX_AC97_OTHER,
277};
278
279struct em28xx_audio_mode {
280 enum em28xx_ac97_mode ac97;
281
282 u16 ac97_feat;
16c7bcad 283 u32 ac97_vendor_id;
35643943
MCC
284
285 unsigned int has_audio:1;
286
287 unsigned int i2s_3rates:1;
288 unsigned int i2s_5rates:1;
5c2231c8
DH
289};
290
5faff789
MCC
291/* em28xx has two audio inputs: tuner and line in.
292 However, on most devices, an auxiliary AC97 codec device is used.
293 The AC97 device may have several different inputs and outputs,
294 depending on their model. So, it is possible to use AC97 mixer to
295 address more than two different entries.
296 */
539c96d0 297enum em28xx_amux {
5faff789
MCC
298 /* This is the only entry for em28xx tuner input */
299 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
300
301 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
302
303 /* Some less-common mixer setups */
304 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
305 EM28XX_AMUX_PHONE,
306 EM28XX_AMUX_MIC,
307 EM28XX_AMUX_CD,
308 EM28XX_AMUX_AUX,
309 EM28XX_AMUX_PCM_OUT,
539c96d0
MCC
310};
311
35ae6f04 312enum em28xx_aout {
8866f9cf 313 /* AC97 outputs */
e879b8eb
MCC
314 EM28XX_AOUT_MASTER = 1 << 0,
315 EM28XX_AOUT_LINE = 1 << 1,
316 EM28XX_AOUT_MONO = 1 << 2,
317 EM28XX_AOUT_LFE = 1 << 3,
318 EM28XX_AOUT_SURR = 1 << 4,
8866f9cf
MCC
319
320 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
321 EM28XX_AOUT_PCM_IN = 1 << 7,
322
323 /* Bits 10-8 are used to indicate the PCM IN record select */
324 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
325 EM28XX_AOUT_PCM_CD = 1 << 8,
326 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
327 EM28XX_AOUT_PCM_AUX = 3 << 8,
328 EM28XX_AOUT_PCM_LINE = 4 << 8,
329 EM28XX_AOUT_PCM_STEREO = 5 << 8,
330 EM28XX_AOUT_PCM_MONO = 6 << 8,
331 EM28XX_AOUT_PCM_PHONE = 7 << 8,
35ae6f04
MCC
332};
333
32929fb4 334static inline int ac97_return_record_select(int a_out)
8866f9cf
MCC
335{
336 return (a_out & 0x700) >> 8;
337}
338
122b77e5
MCC
339struct em28xx_reg_seq {
340 int reg;
341 unsigned char val, mask;
342 int sleep;
343};
344
3acf2809
MCC
345struct em28xx_input {
346 enum enum28xx_itype type;
a6c2ba28 347 unsigned int vmux;
539c96d0 348 enum em28xx_amux amux;
35ae6f04 349 enum em28xx_aout aout;
122b77e5 350 struct em28xx_reg_seq *gpio;
a6c2ba28 351};
352
3acf2809 353#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
a6c2ba28 354
3acf2809 355enum em28xx_decoder {
527f09a9 356 EM28XX_NODECODER = 0,
3acf2809 357 EM28XX_TVP5150,
ec5de990 358 EM28XX_SAA711X,
527f09a9
MCC
359};
360
361enum em28xx_sensor {
362 EM28XX_NOSENSOR = 0,
02e7804b 363 EM28XX_MT9V011,
b80fd2d8 364 EM28XX_MT9M001,
f2e26ae7 365 EM28XX_MT9M111,
a6c2ba28 366};
367
df7fa09c
MCC
368enum em28xx_adecoder {
369 EM28XX_NOADECODER = 0,
370 EM28XX_TVAUDIO,
371};
372
3acf2809 373struct em28xx_board {
a6c2ba28 374 char *name;
505b6d0b 375 int vchannels;
a6c2ba28 376 int tuner_type;
66767920 377 int tuner_addr;
aab3125c 378 unsigned def_i2c_bus; /* Default I2C bus */
a6c2ba28 379
380 /* i2c flags */
381 unsigned int tda9887_conf;
382
017ab4b1 383 /* GPIO sequences */
122b77e5 384 struct em28xx_reg_seq *dvb_gpio;
2fe3e2ee 385 struct em28xx_reg_seq *suspend_gpio;
017ab4b1 386 struct em28xx_reg_seq *tuner_gpio;
2bd1d9eb 387 struct em28xx_reg_seq *mute_gpio;
122b77e5 388
74f38a82 389 unsigned int is_em2800:1;
a6c2ba28 390 unsigned int has_msp34xx:1;
5add9a6f 391 unsigned int mts_firmware:1;
c8793b03 392 unsigned int max_range_640_480:1;
3aefb79a 393 unsigned int has_dvb:1;
a9fc52bc 394 unsigned int has_snapshot_button:1;
c43221df 395 unsigned int is_webcam:1;
95b86a9a 396 unsigned int valid:1;
ac07bb73 397 unsigned int has_ir_i2c:1;
3abee53e 398
a2070c66 399 unsigned char xclk, i2c_speed;
f2cf250a
DSL
400 unsigned char radio_addr;
401 unsigned short tvaudio_addr;
a2070c66 402
3acf2809 403 enum em28xx_decoder decoder;
df7fa09c 404 enum em28xx_adecoder adecoder;
a6c2ba28 405
3acf2809 406 struct em28xx_input input[MAX_EM28XX_INPUT];
0be43754 407 struct em28xx_input radio;
02858eed 408 char *ir_codes;
a6c2ba28 409};
410
3acf2809 411struct em28xx_eeprom {
0c28dcc0
FS
412 u8 id[4]; /* 1a eb 67 95 */
413 __le16 vendor_ID;
414 __le16 product_ID;
a6c2ba28 415
0c28dcc0 416 __le16 chip_conf;
a6c2ba28 417
0c28dcc0 418 __le16 board_conf;
a6c2ba28 419
0c28dcc0 420 __le16 string1, string2, string3;
a6c2ba28 421
422 u8 string_idx_table;
423};
424
6d79468d
MCC
425#define EM28XX_AUDIO_BUFS 5
426#define EM28XX_NUM_AUDIO_PACKETS 64
427#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
428#define EM28XX_CAPTURE_STREAM_EN 1
3aefb79a
MCC
429
430/* em28xx extensions */
6d79468d 431#define EM28XX_AUDIO 0x10
3aefb79a 432#define EM28XX_DVB 0x20
f4d4e765 433#define EM28XX_RC 0x30
6d79468d 434
8c873d31
DH
435/* em28xx resource types (used for res_get/res_lock etc */
436#define EM28XX_RESOURCE_VIDEO 0x01
437#define EM28XX_RESOURCE_VBI 0x02
438
6d79468d
MCC
439struct em28xx_audio {
440 char name[50];
441 char *transfer_buffer[EM28XX_AUDIO_BUFS];
442 struct urb *urb[EM28XX_AUDIO_BUFS];
443 struct usb_device *udev;
444 unsigned int capture_transfer_done;
445 struct snd_pcm_substream *capture_pcm_substream;
446
447 unsigned int hwptr_done_capture;
448 struct snd_card *sndcard;
449
c744dff2 450 int users;
6d79468d
MCC
451 spinlock_t slock;
452};
453
52284c3e
MCC
454struct em28xx;
455
456struct em28xx_fh {
69a61642 457 struct v4l2_fh fh;
52284c3e 458 struct em28xx *dev;
52284c3e
MCC
459
460 enum v4l2_buf_type type;
461};
462
aab3125c
MCC
463struct em28xx_i2c_bus {
464 struct em28xx *dev;
465
466 unsigned bus;
467};
468
469
a6c2ba28 470/* main device struct */
3acf2809 471struct em28xx {
a6c2ba28 472 /* generic device properties */
473 char name[30]; /* name (including minor) of the device */
474 int model; /* index in the device_data struct */
e5589bef 475 int devno; /* marks the number of this device */
600bd7f0 476 enum em28xx_chip_id chip_id;
505b6d0b 477
2665c299
FS
478 unsigned char disconnected:1; /* device has been diconnected */
479
4f83e7b3
MCC
480 int audio_ifnum;
481
f2cf250a 482 struct v4l2_device v4l2_dev;
081b945e 483 struct v4l2_ctrl_handler ctrl_handler;
505b6d0b
MCC
484 struct em28xx_board board;
485
d36bb4e7 486 /* Webcam specific fields */
527f09a9 487 enum em28xx_sensor em28xx_sensor;
55699964 488 int sensor_xres, sensor_yres;
d36bb4e7 489 int sensor_xtal;
527f09a9 490
8c301567 491 /* Progressive (non-interlaced) mode */
c2a6b54a
MCC
492 int progressive;
493
579d3152
MCC
494 /* Vinmode/Vinctl used at the driver */
495 int vinmode, vinctl;
496
d7448a8d 497 unsigned int has_audio_class:1;
24a613e4 498 unsigned int has_alsa_audio:1;
4f83e7b3 499 unsigned int is_audio_only:1;
a2070c66 500
39a96b4c 501 /* Controls audio streaming */
d5b6a746
FS
502 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
503 atomic_t stream_started; /* stream should be running if true */
39a96b4c 504
bddcf633
MCC
505 struct em28xx_fmt *format;
506
a924a499
MCC
507 struct em28xx_IR *ir;
508
89b329ef
MCC
509 /* Some older em28xx chips needs a waiting time after writing */
510 unsigned int wait_after_write;
511
74f38a82
MCC
512 struct list_head devlist;
513
9bb13a6d
MCC
514 u32 i2s_speed; /* I2S speed for audio digital stream */
515
35643943 516 struct em28xx_audio_mode audio_mode;
a6c2ba28 517
518 int tuner_type; /* type of the tuner */
519 int tuner_addr; /* tuner address */
520 int tda9887_conf;
c7a45e5b 521
a6c2ba28 522 /* i2c i/o */
c7a45e5b
MCC
523 struct i2c_adapter i2c_adap[NUM_I2C_BUSES];
524 struct i2c_client i2c_client[NUM_I2C_BUSES];
aab3125c
MCC
525 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES];
526
87b52439 527 unsigned char eeprom_addrwidth_16bit:1;
aab3125c
MCC
528 unsigned def_i2c_bus; /* Default I2C bus */
529 unsigned cur_i2c_bus; /* Current I2C bus */
530 struct rt_mutex i2c_bus_lock;
c7a45e5b 531
a6c2ba28 532 /* video for linux */
533 int users; /* user count for exclusive use */
d3829fad 534 int streaming_users; /* Number of actively streaming users */
a6c2ba28 535 struct video_device *vdev; /* video for linux device struct */
7d497f8a 536 v4l2_std_id norm; /* selected tv norm */
a6c2ba28 537 int ctl_freq; /* selected frequency */
538 unsigned int ctl_input; /* selected input */
95b86a9a 539 unsigned int ctl_ainput;/* selected audio input */
35ae6f04 540 unsigned int ctl_aoutput;/* selected audio output */
a6c2ba28 541 int mute;
542 int volume;
543 /* frame properties */
a6c2ba28 544 int width; /* current frame width */
545 int height; /* current frame height */
d45b9b8a
HV
546 unsigned hscale; /* horizontal scale factor (see datasheet) */
547 unsigned vscale; /* vertical scale factor (see datasheet) */
a6c2ba28 548 int interlaced; /* 1=interlace fileds, 0=just top fileds */
9e31ced8 549 unsigned int video_bytesread; /* Number of bytes read */
a6c2ba28 550
03910cc3 551 unsigned long hash; /* eeprom hash - for boards with generic ID */
6ea54d93
DSL
552 unsigned long i2c_hash; /* i2c devicelist hash -
553 for boards with generic ID */
03910cc3 554
9baed99e 555 struct em28xx_audio adev;
6d79468d 556
960da93b 557 /* capture state tracking */
da52a55c 558 int capture_type;
0455eebf 559 unsigned char top_field:1;
960da93b 560 int vbi_read;
66d9cbad
DH
561 unsigned int vbi_width;
562 unsigned int vbi_height; /* lines per field */
da52a55c 563
d7448a8d
MCC
564 struct work_struct request_module_wk;
565
a6c2ba28 566 /* locks */
5a80415b 567 struct mutex lock;
f2a2e491 568 struct mutex ctrl_urb_lock; /* protects urb_buf */
d7aa8020 569 /* spinlock_t queue_lock; */
a6c2ba28 570 struct list_head inqueue, outqueue;
a6c2ba28 571 struct video_device *vbi_dev;
0be43754 572 struct video_device *radio_dev;
a6c2ba28 573
d3829fad
DH
574 /* Videobuf2 */
575 struct vb2_queue vb_vidq;
576 struct vb2_queue vb_vbiq;
577 struct mutex vb_queue_lock;
578 struct mutex vb_vbi_queue_lock;
579
8c873d31
DH
580 /* resources in use */
581 unsigned int resources;
582
510e884c
FS
583 /* eeprom content */
584 u8 *eedata;
585 u16 eedata_len;
a6c2ba28 586
ad0ebb96
MCC
587 /* Isoc control struct */
588 struct em28xx_dmaqueue vidq;
28abf083 589 struct em28xx_dmaqueue vbiq;
74209dc0 590 struct em28xx_usb_ctl usb_ctl;
ad0ebb96
MCC
591 spinlock_t slock;
592
d3829fad
DH
593 unsigned int field_count;
594 unsigned int vbi_field_count;
595
a6c2ba28 596 /* usb transfer */
597 struct usb_device *udev; /* the usb device */
c647a91a
FS
598 u8 analog_ep_isoc; /* address of isoc endpoint for analog */
599 u8 analog_ep_bulk; /* address of bulk endpoint for analog */
600 u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */
d5b6a746 601 u8 dvb_ep_bulk; /* address of bulk endpoint for DVB */
0cf544a6
FS
602 int alt; /* alternate setting */
603 int max_pkt_size; /* max packet size of the selected ep at alt */
c647a91a
FS
604 int packet_multiplier; /* multiplier for wMaxPacketSize, used for
605 URB buffer size definition */
0cf544a6
FS
606 int num_alt; /* number of alternative settings */
607 unsigned int *alt_max_pkt_size_isoc; /* array of isoc wMaxPacketSize */
7312f2c9
FS
608 unsigned int analog_xfer_bulk:1; /* use bulk instead of isoc
609 transfers for analog */
0cf544a6
FS
610 int dvb_alt_isoc; /* alternate setting for DVB isoc transfers */
611 unsigned int dvb_max_pkt_size_isoc; /* isoc max packet size of the
612 selected DVB ep at dvb_alt */
7312f2c9
FS
613 unsigned int dvb_xfer_bulk:1; /* use bulk instead of isoc
614 transfers for DVB */
c4a98793
MCC
615 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
616
a6c2ba28 617 /* helper funcs that call usb_control_msg */
6ea54d93 618 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
a6c2ba28 619 char *buf, int len);
6ea54d93
DSL
620 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
621 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
622 char *buf, int len);
623 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
a6c2ba28 624 char *buf, int len);
6ea54d93 625 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
3aefb79a
MCC
626
627 enum em28xx_mode mode;
628
6a1acc3b
DH
629 /* register numbers for GPO/GPIO registers */
630 u16 reg_gpo_num, reg_gpio_num;
631
c67ec53f
MCC
632 /* Caches GPO and GPIO registers */
633 unsigned char reg_gpo, reg_gpio;
634
a9fc52bc
DH
635 /* Snapshot button */
636 char snapshot_button_path[30]; /* path of the input dev */
637 struct input_dev *sbutton_input_dev;
638 struct delayed_work sbutton_query_work;
639
3421b778 640 struct em28xx_dvb *dvb;
a6c2ba28 641};
642
6d79468d
MCC
643struct em28xx_ops {
644 struct list_head next;
645 char *name;
646 int id;
647 int (*init)(struct em28xx *);
648 int (*fini)(struct em28xx *);
a3a048ce
MCC
649};
650
3acf2809 651/* Provided by em28xx-i2c.c */
aab3125c
MCC
652void em28xx_do_i2c_scan(struct em28xx *dev, unsigned bus);
653int em28xx_i2c_register(struct em28xx *dev, unsigned bus);
654int em28xx_i2c_unregister(struct em28xx *dev, unsigned bus);
a6c2ba28 655
3acf2809 656/* Provided by em28xx-core.c */
3acf2809 657int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
a6c2ba28 658 char *buf, int len);
3acf2809
MCC
659int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
660int em28xx_read_reg(struct em28xx *dev, u16 reg);
661int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
a6c2ba28 662 int len);
3acf2809 663int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
b6972489 664int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
1bad429e
MCC
665int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
666 u8 bitmask);
b6972489 667
531c98e7
MCC
668int em28xx_read_ac97(struct em28xx *dev, u8 reg);
669int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
670
3acf2809 671int em28xx_audio_analog_set(struct em28xx *dev);
35643943 672int em28xx_audio_setup(struct em28xx *dev);
539c96d0 673
3acf2809
MCC
674int em28xx_colorlevels_set_default(struct em28xx *dev);
675int em28xx_capture_start(struct em28xx *dev, int start);
da52a55c 676int em28xx_vbi_supported(struct em28xx *dev);
bddcf633 677int em28xx_set_outfmt(struct em28xx *dev);
3acf2809 678int em28xx_resolution_set(struct em28xx *dev);
3acf2809 679int em28xx_set_alternate(struct em28xx *dev);
6ddd89d0
FS
680int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
681 int num_bufs, int max_pkt_size, int packet_multiplier);
057ca0da
FS
682int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
683 int xfer_bulk,
684 int num_bufs, int max_pkt_size, int packet_multiplier,
685 int (*urb_data_copy)
686 (struct em28xx *dev, struct urb *urb));
afb177e0 687void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode);
5f5f147f 688void em28xx_stop_urbs(struct em28xx *dev);
c67ec53f
MCC
689int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
690int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
1a23f81b 691void em28xx_wake_i2c(struct em28xx *dev);
6d79468d
MCC
692int em28xx_register_extension(struct em28xx_ops *dev);
693void em28xx_unregister_extension(struct em28xx_ops *dev);
1a23f81b
MCC
694void em28xx_init_extension(struct em28xx *dev);
695void em28xx_close_extension(struct em28xx *dev);
696
697/* Provided by em28xx-video.c */
d3829fad 698int em28xx_vb2_setup(struct em28xx *dev);
1a23f81b
MCC
699int em28xx_register_analog_devices(struct em28xx *dev);
700void em28xx_release_analog_resources(struct em28xx *dev);
081b945e 701void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv);
d3829fad
DH
702int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count);
703int em28xx_stop_vbi_streaming(struct vb2_queue *vq);
081b945e 704extern const struct v4l2_ctrl_ops em28xx_ctrl_ops;
6d79468d 705
3acf2809 706/* Provided by em28xx-cards.c */
3acf2809
MCC
707extern struct em28xx_board em28xx_boards[];
708extern struct usb_device_id em28xx_id_table[];
d7cba043 709int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
1a23f81b 710void em28xx_release_resources(struct em28xx *dev);
c8793b03 711
28abf083 712/* Provided by em28xx-vbi.c */
d3829fad 713extern struct vb2_ops em28xx_vbi_qops;
28abf083 714
a6c2ba28 715/* printk macros */
716
3acf2809 717#define em28xx_err(fmt, arg...) do {\
f85c657f 718 printk(KERN_ERR fmt , ##arg); } while (0)
a6c2ba28 719
3acf2809 720#define em28xx_errdev(fmt, arg...) do {\
4ac97914 721 printk(KERN_ERR "%s: "fmt,\
f85c657f 722 dev->name , ##arg); } while (0)
a6c2ba28 723
3acf2809 724#define em28xx_info(fmt, arg...) do {\
4ac97914 725 printk(KERN_INFO "%s: "fmt,\
f85c657f 726 dev->name , ##arg); } while (0)
3acf2809 727#define em28xx_warn(fmt, arg...) do {\
4ac97914 728 printk(KERN_WARNING "%s: "fmt,\
f85c657f 729 dev->name , ##arg); } while (0)
a6c2ba28 730
6ea54d93 731static inline int em28xx_compression_disable(struct em28xx *dev)
a6c2ba28 732{
733 /* side effect of disabling scaler and mixer */
2a29a0d7 734 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
a6c2ba28 735}
736
a6c2ba28 737/*FIXME: maxw should be dependent of alt mode */
6ea54d93 738static inline unsigned int norm_maxw(struct em28xx *dev)
30556b23 739{
55699964
MCC
740 if (dev->board.is_webcam)
741 return dev->sensor_xres;
742
1020d13d 743 if (dev->board.max_range_640_480)
7d497f8a 744 return 640;
55699964
MCC
745
746 return 720;
30556b23
MR
747}
748
6ea54d93 749static inline unsigned int norm_maxh(struct em28xx *dev)
a6c2ba28 750{
55699964
MCC
751 if (dev->board.is_webcam)
752 return dev->sensor_yres;
753
505b6d0b 754 if (dev->board.max_range_640_480)
7d497f8a 755 return 480;
55699964
MCC
756
757 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
a6c2ba28 758}
a6c2ba28 759#endif