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[media] em28xx: pre-allocate DVB isoc transfer buffers
[deliverable/linux.git] / drivers / media / video / em28xx / em28xx.h
CommitLineData
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>
a6c2ba28 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
3acf2809
MCC		 25#ifndef _EM28XX_H
26#define _EM28XX_H
a6c2ba28 27
39a96b4c
MCC		 28#include <linux/workqueue.h>
29#include <linux/i2c.h>
30#include <linux/mutex.h>
cb77d010 31#include <linux/videodev2.h>
39a96b4c 32
ad0ebb96 33#include <media/videobuf-vmalloc.h>
f2cf250a 34#include <media/v4l2-device.h>
d5e52653 35#include <media/ir-kbd-i2c.h>
6bda9644 36#include <media/rc-core.h>
3aefb79a
MCC		 37#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
38#include <media/videobuf-dvb.h>
39#endif
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 */
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
10ac6603 61#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
4fd305b2 62#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
17d9d558 63#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
3ed58baf 64#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
e14b3658 65#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
59d07f1b 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
6e7b9ea0 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
56ee3807
MCC		 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
02e7804b 115#define EM2820_BOARD_SILVERCREST_WEBCAM 71
6d888a66 116#define EM2861_BOARD_GADMEI_UTV330PLUS 72
285eb1a4 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
d6a5f921 122#define EM28174_BOARD_PCTV_290E 78
fec528b7 123#define EM2884_BOARD_TERRATEC_H5 79
36588715 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
4d28d3d9 127#define EM2860_BOARD_HT_VIDBOX_NW03 83
3aefb79a
MCC		 128
129/* Limits minimum and default number of buffers */
130#define EM28XX_MIN_BUF 4
131#define EM28XX_DEF_BUF 8
a6c2ba28 132
c4a98793
MCC		 133/*Limits the max URB message size */
134#define URB_MAX_CTRL_SIZE 80
135
95b86a9a
DSL		 136/* Params for validated field */
137#define EM28XX_BOARD_NOT_VALIDATED 1
138#define EM28XX_BOARD_VALIDATED 0
139
22cff7b3
DSL		 140/* Params for em28xx_cmd() audio */
141#define EM28XX_START_AUDIO 1
142#define EM28XX_STOP_AUDIO 0
143
596d92d5 144/* maximum number of em28xx boards */
3687e1e6 145#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
596d92d5 146
a6c2ba28 147/* maximum number of frames that can be queued */
3acf2809 148#define EM28XX_NUM_FRAMES 5
a6c2ba28 149/* number of frames that get used for v4l2_read() */
3acf2809 150#define EM28XX_NUM_READ_FRAMES 2
a6c2ba28 151
152/* number of buffers for isoc transfers */
3acf2809 153#define EM28XX_NUM_BUFS 5
86d38d1e 154#define EM28XX_DVB_NUM_BUFS 5
a6c2ba28 155
d5e52653 156/* number of packets for each buffer
33c02fac 157 windows requests only 64 packets .. so we better do the same
d5e52653
MCC		 158 this is what I found out for all alternate numbers there!
159 */
33c02fac 160#define EM28XX_NUM_PACKETS 64
86d38d1e 161#define EM28XX_DVB_MAX_PACKETS 64
a6c2ba28 162
3acf2809 163#define EM28XX_INTERLACED_DEFAULT 1
a6c2ba28 164
165/*
166#define (use usbview if you want to get the other alternate number infos)
167#define
168#define alternate number 2
169#define Endpoint Address: 82
170 Direction: in
171 Attribute: 1
172 Type: Isoc
173 Max Packet Size: 1448
174 Interval: 125us
175
176 alternate number 7
177
178 Endpoint Address: 82
179 Direction: in
180 Attribute: 1
181 Type: Isoc
182 Max Packet Size: 3072
183 Interval: 125us
184*/
185
186/* time to wait when stopping the isoc transfer */
a1a6ee74
NS		 187#define EM28XX_URB_TIMEOUT \
188 msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
a6c2ba28 189
596d92d5
MCC		 190/* time in msecs to wait for i2c writes to finish */
191#define EM2800_I2C_WRITE_TIMEOUT 20
192
3aefb79a 193enum em28xx_mode {
2fe3e2ee 194 EM28XX_SUSPEND,
3aefb79a
MCC		 195 EM28XX_ANALOG_MODE,
196 EM28XX_DIGITAL_MODE,
197};
198
a6c2ba28 199
579f72e4
AT		 200struct em28xx;
201
86d38d1e 202struct em28xx_usb_isoc_bufs {
ad0ebb96
MCC		 203 /* max packet size of isoc transaction */
204 int max_pkt_size;
205
86d38d1e
GG		 206 /* number of packets in each buffer */
207 int num_packets;
208
ad0ebb96
MCC		 209 /* number of allocated urbs */
210 int num_bufs;
211
212 /* urb for isoc transfers */
213 struct urb **urb;
214
215 /* transfer buffers for isoc transfer */
216 char **transfer_buffer;
86d38d1e
GG		 217};
218
219struct em28xx_usb_isoc_ctl {
220 /* isoc transfer buffers for analog mode */
221 struct em28xx_usb_isoc_bufs analog_bufs;
222
223 /* isoc transfer buffers for digital mode */
224 struct em28xx_usb_isoc_bufs digital_bufs;
ad0ebb96
MCC		 225
226 /* Last buffer command and region */
227 u8 cmd;
228 int pos, size, pktsize;
229
230 /* Last field: ODD or EVEN? */
231 int field;
232
233 /* Stores incomplete commands */
234 u32 tmp_buf;
235 int tmp_buf_len;
236
237 /* Stores already requested buffers */
28abf083
DH		 238 struct em28xx_buffer *vid_buf;
239 struct em28xx_buffer *vbi_buf;
ad0ebb96
MCC		 240
241 /* Stores the number of received fields */
242 int nfields;
579f72e4
AT		 243
244 /* isoc urb callback */
245 int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
246
ad0ebb96
MCC		 247};
248
bddcf633 249/* Struct to enumberate video formats */
ad0ebb96
MCC		 250struct em28xx_fmt {
251 char *name;
252 u32 fourcc; /* v4l2 format id */
bddcf633
MCC		 253 int depth;
254 int reg;
ad0ebb96
MCC		 255};
256
257/* buffer for one video frame */
258struct em28xx_buffer {
259 /* common v4l buffer stuff -- must be first */
260 struct videobuf_buffer vb;
261
a6c2ba28 262 struct list_head frame;
a6c2ba28 263 int top_field;
ad0ebb96
MCC		 264 int receiving;
265};
266
267struct em28xx_dmaqueue {
268 struct list_head active;
269 struct list_head queued;
ad0ebb96
MCC		 270
271 wait_queue_head_t wq;
272
273 /* Counters to control buffer fill */
274 int pos;
a6c2ba28 275};
276
277/* io methods */
3acf2809 278enum em28xx_io_method {
a6c2ba28 279 IO_NONE,
280 IO_READ,
281 IO_MMAP,
282};
283
284/* inputs */
285
3acf2809
MCC		 286#define MAX_EM28XX_INPUT 4
287enum enum28xx_itype {
288 EM28XX_VMUX_COMPOSITE1 = 1,
289 EM28XX_VMUX_COMPOSITE2,
290 EM28XX_VMUX_COMPOSITE3,
291 EM28XX_VMUX_COMPOSITE4,
292 EM28XX_VMUX_SVIDEO,
293 EM28XX_VMUX_TELEVISION,
294 EM28XX_VMUX_CABLE,
295 EM28XX_VMUX_DVB,
296 EM28XX_VMUX_DEBUG,
297 EM28XX_RADIO,
a6c2ba28 298};
299
35643943
MCC		 300enum em28xx_ac97_mode {
301 EM28XX_NO_AC97 = 0,
302 EM28XX_AC97_EM202,
209acc02 303 EM28XX_AC97_SIGMATEL,
35643943
MCC		 304 EM28XX_AC97_OTHER,
305};
306
307struct em28xx_audio_mode {
308 enum em28xx_ac97_mode ac97;
309
310 u16 ac97_feat;
16c7bcad 311 u32 ac97_vendor_id;
35643943
MCC		 312
313 unsigned int has_audio:1;
314
315 unsigned int i2s_3rates:1;
316 unsigned int i2s_5rates:1;
5c2231c8
DH		 317};
318
5faff789
MCC		 319/* em28xx has two audio inputs: tuner and line in.
320 However, on most devices, an auxiliary AC97 codec device is used.
321 The AC97 device may have several different inputs and outputs,
322 depending on their model. So, it is possible to use AC97 mixer to
323 address more than two different entries.
324 */
539c96d0 325enum em28xx_amux {
5faff789
MCC		 326 /* This is the only entry for em28xx tuner input */
327 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
328
329 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
330
331 /* Some less-common mixer setups */
332 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
333 EM28XX_AMUX_PHONE,
334 EM28XX_AMUX_MIC,
335 EM28XX_AMUX_CD,
336 EM28XX_AMUX_AUX,
337 EM28XX_AMUX_PCM_OUT,
539c96d0
MCC		 338};
339
35ae6f04 340enum em28xx_aout {
8866f9cf 341 /* AC97 outputs */
e879b8eb
MCC		 342 EM28XX_AOUT_MASTER = 1 << 0,
343 EM28XX_AOUT_LINE = 1 << 1,
344 EM28XX_AOUT_MONO = 1 << 2,
345 EM28XX_AOUT_LFE = 1 << 3,
346 EM28XX_AOUT_SURR = 1 << 4,
8866f9cf
MCC		 347
348 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
349 EM28XX_AOUT_PCM_IN = 1 << 7,
350
351 /* Bits 10-8 are used to indicate the PCM IN record select */
352 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
353 EM28XX_AOUT_PCM_CD = 1 << 8,
354 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
355 EM28XX_AOUT_PCM_AUX = 3 << 8,
356 EM28XX_AOUT_PCM_LINE = 4 << 8,
357 EM28XX_AOUT_PCM_STEREO = 5 << 8,
358 EM28XX_AOUT_PCM_MONO = 6 << 8,
359 EM28XX_AOUT_PCM_PHONE = 7 << 8,
35ae6f04
MCC		 360};
361
32929fb4 362static inline int ac97_return_record_select(int a_out)
8866f9cf
MCC		 363{
364 return (a_out & 0x700) >> 8;
365}
366
122b77e5
MCC		 367struct em28xx_reg_seq {
368 int reg;
369 unsigned char val, mask;
370 int sleep;
371};
372
3acf2809
MCC		 373struct em28xx_input {
374 enum enum28xx_itype type;
a6c2ba28 375 unsigned int vmux;
539c96d0 376 enum em28xx_amux amux;
35ae6f04 377 enum em28xx_aout aout;
122b77e5 378 struct em28xx_reg_seq *gpio;
a6c2ba28 379};
380
3acf2809 381#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
a6c2ba28 382
3acf2809 383enum em28xx_decoder {
527f09a9 384 EM28XX_NODECODER = 0,
3acf2809 385 EM28XX_TVP5150,
ec5de990 386 EM28XX_SAA711X,
527f09a9
MCC		 387};
388
389enum em28xx_sensor {
390 EM28XX_NOSENSOR = 0,
02e7804b 391 EM28XX_MT9V011,
b80fd2d8 392 EM28XX_MT9M001,
f2e26ae7 393 EM28XX_MT9M111,
a6c2ba28 394};
395
df7fa09c
MCC		 396enum em28xx_adecoder {
397 EM28XX_NOADECODER = 0,
398 EM28XX_TVAUDIO,
399};
400
3acf2809 401struct em28xx_board {
a6c2ba28 402 char *name;
505b6d0b 403 int vchannels;
a6c2ba28 404 int tuner_type;
66767920 405 int tuner_addr;
a6c2ba28 406
407 /* i2c flags */
408 unsigned int tda9887_conf;
409
017ab4b1 410 /* GPIO sequences */
122b77e5 411 struct em28xx_reg_seq *dvb_gpio;
2fe3e2ee 412 struct em28xx_reg_seq *suspend_gpio;
017ab4b1 413 struct em28xx_reg_seq *tuner_gpio;
2bd1d9eb 414 struct em28xx_reg_seq *mute_gpio;
122b77e5 415
74f38a82 416 unsigned int is_em2800:1;
a6c2ba28 417 unsigned int has_msp34xx:1;
5add9a6f 418 unsigned int mts_firmware:1;
c8793b03 419 unsigned int max_range_640_480:1;
3aefb79a 420 unsigned int has_dvb:1;
a9fc52bc 421 unsigned int has_snapshot_button:1;
c43221df 422 unsigned int is_webcam:1;
95b86a9a 423 unsigned int valid:1;
ac07bb73 424 unsigned int has_ir_i2c:1;
3abee53e 425
a2070c66 426 unsigned char xclk, i2c_speed;
f2cf250a
DSL		 427 unsigned char radio_addr;
428 unsigned short tvaudio_addr;
a2070c66 429
3acf2809 430 enum em28xx_decoder decoder;
df7fa09c 431 enum em28xx_adecoder adecoder;
a6c2ba28 432
3acf2809 433 struct em28xx_input input[MAX_EM28XX_INPUT];
0be43754 434 struct em28xx_input radio;
02858eed 435 char *ir_codes;
a6c2ba28 436};
437
3acf2809 438struct em28xx_eeprom {
a6c2ba28 439 u32 id; /* 0x9567eb1a */
440 u16 vendor_ID;
441 u16 product_ID;
442
443 u16 chip_conf;
444
445 u16 board_conf;
446
447 u16 string1, string2, string3;
448
449 u8 string_idx_table;
450};
451
452/* device states */
3acf2809 453enum em28xx_dev_state {
a6c2ba28 454 DEV_INITIALIZED = 0x01,
455 DEV_DISCONNECTED = 0x02,
456 DEV_MISCONFIGURED = 0x04,
457};
458
6d79468d
MCC		 459#define EM28XX_AUDIO_BUFS 5
460#define EM28XX_NUM_AUDIO_PACKETS 64
461#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
462#define EM28XX_CAPTURE_STREAM_EN 1
3aefb79a
MCC		 463
464/* em28xx extensions */
6d79468d 465#define EM28XX_AUDIO 0x10
3aefb79a 466#define EM28XX_DVB 0x20
6d79468d 467
8c873d31
DH		 468/* em28xx resource types (used for res_get/res_lock etc */
469#define EM28XX_RESOURCE_VIDEO 0x01
470#define EM28XX_RESOURCE_VBI 0x02
471
6d79468d
MCC		 472struct em28xx_audio {
473 char name[50];
474 char *transfer_buffer[EM28XX_AUDIO_BUFS];
475 struct urb *urb[EM28XX_AUDIO_BUFS];
476 struct usb_device *udev;
477 unsigned int capture_transfer_done;
478 struct snd_pcm_substream *capture_pcm_substream;
479
480 unsigned int hwptr_done_capture;
481 struct snd_card *sndcard;
482
c744dff2 483 int users;
6d79468d
MCC		 484 spinlock_t slock;
485};
486
52284c3e
MCC		 487struct em28xx;
488
489struct em28xx_fh {
490 struct em28xx *dev;
52284c3e 491 int radio;
8c873d31 492 unsigned int resources;
52284c3e
MCC		 493
494 struct videobuf_queue vb_vidq;
28abf083 495 struct videobuf_queue vb_vbiq;
52284c3e
MCC		 496
497 enum v4l2_buf_type type;
498};
499
a6c2ba28 500/* main device struct */
3acf2809 501struct em28xx {
a6c2ba28 502 /* generic device properties */
503 char name[30]; /* name (including minor) of the device */
504 int model; /* index in the device_data struct */
e5589bef 505 int devno; /* marks the number of this device */
600bd7f0 506 enum em28xx_chip_id chip_id;
505b6d0b 507
4f83e7b3
MCC		 508 int audio_ifnum;
509
f2cf250a 510 struct v4l2_device v4l2_dev;
505b6d0b
MCC		 511 struct em28xx_board board;
512
d36bb4e7 513 /* Webcam specific fields */
527f09a9 514 enum em28xx_sensor em28xx_sensor;
55699964 515 int sensor_xres, sensor_yres;
d36bb4e7 516 int sensor_xtal;
527f09a9 517
c2a6b54a
MCC		 518 /* Allows progressive (e. g. non-interlaced) mode */
519 int progressive;
520
579d3152
MCC		 521 /* Vinmode/Vinctl used at the driver */
522 int vinmode, vinctl;
523
d7448a8d 524 unsigned int has_audio_class:1;
24a613e4 525 unsigned int has_alsa_audio:1;
4f83e7b3 526 unsigned int is_audio_only:1;
a2070c66 527
39a96b4c
MCC		 528 /* Controls audio streaming */
529 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
530 atomic_t stream_started; /* stream should be running if true */
531
bddcf633
MCC		 532 struct em28xx_fmt *format;
533
a924a499
MCC		 534 struct em28xx_IR *ir;
535
89b329ef
MCC		 536 /* Some older em28xx chips needs a waiting time after writing */
537 unsigned int wait_after_write;
538
74f38a82
MCC		 539 struct list_head devlist;
540
9bb13a6d
MCC		 541 u32 i2s_speed; /* I2S speed for audio digital stream */
542
35643943 543 struct em28xx_audio_mode audio_mode;
a6c2ba28 544
545 int tuner_type; /* type of the tuner */
546 int tuner_addr; /* tuner address */
547 int tda9887_conf;
548 /* i2c i/o */
549 struct i2c_adapter i2c_adap;
550 struct i2c_client i2c_client;
551 /* video for linux */
552 int users; /* user count for exclusive use */
553 struct video_device *vdev; /* video for linux device struct */
7d497f8a 554 v4l2_std_id norm; /* selected tv norm */
a6c2ba28 555 int ctl_freq; /* selected frequency */
556 unsigned int ctl_input; /* selected input */
95b86a9a 557 unsigned int ctl_ainput;/* selected audio input */
35ae6f04 558 unsigned int ctl_aoutput;/* selected audio output */
a6c2ba28 559 int mute;
560 int volume;
561 /* frame properties */
a6c2ba28 562 int width; /* current frame width */
563 int height; /* current frame height */
d45b9b8a
HV		 564 unsigned hscale; /* horizontal scale factor (see datasheet) */
565 unsigned vscale; /* vertical scale factor (see datasheet) */
a6c2ba28 566 int interlaced; /* 1=interlace fileds, 0=just top fileds */
9e31ced8 567 unsigned int video_bytesread; /* Number of bytes read */
a6c2ba28 568
03910cc3 569 unsigned long hash; /* eeprom hash - for boards with generic ID */
6ea54d93
DSL		 570 unsigned long i2c_hash; /* i2c devicelist hash -
571 for boards with generic ID */
03910cc3 572
9baed99e 573 struct em28xx_audio adev;
6d79468d 574
a6c2ba28 575 /* states */
3acf2809 576 enum em28xx_dev_state state;
3acf2809 577 enum em28xx_io_method io;
9e31ced8 578
da52a55c
DH		 579 /* vbi related state tracking */
580 int capture_type;
581 int vbi_read;
582 unsigned char cur_field;
66d9cbad
DH		 583 unsigned int vbi_width;
584 unsigned int vbi_height; /* lines per field */
da52a55c 585
d7448a8d
MCC		 586 struct work_struct request_module_wk;
587
a6c2ba28 588 /* locks */
5a80415b 589 struct mutex lock;
f2a2e491 590 struct mutex ctrl_urb_lock; /* protects urb_buf */
d7aa8020 591 /* spinlock_t queue_lock; */
a6c2ba28 592 struct list_head inqueue, outqueue;
593 wait_queue_head_t open, wait_frame, wait_stream;
594 struct video_device *vbi_dev;
0be43754 595 struct video_device *radio_dev;
a6c2ba28 596
8c873d31
DH		 597 /* resources in use */
598 unsigned int resources;
599
a6c2ba28 600 unsigned char eedata[256];
601
ad0ebb96
MCC		 602 /* Isoc control struct */
603 struct em28xx_dmaqueue vidq;
28abf083 604 struct em28xx_dmaqueue vbiq;
ad0ebb96
MCC		 605 struct em28xx_usb_isoc_ctl isoc_ctl;
606 spinlock_t slock;
607
a6c2ba28 608 /* usb transfer */
609 struct usb_device *udev; /* the usb device */
610 int alt; /* alternate */
611 int max_pkt_size; /* max packet size of isoc transaction */
9d4d9c05
MCC		 612 int num_alt; /* Number of alternative settings */
613 unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
8ab33626
HN		 614 int dvb_alt; /* alternate for DVB */
615 unsigned int dvb_max_pkt_size; /* wMaxPacketSize for DVB */
3acf2809 616 struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */
a1a6ee74
NS		 617 char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc
618 transfer */
c4a98793
MCC		 619 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
620
a6c2ba28 621 /* helper funcs that call usb_control_msg */
6ea54d93 622 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
a6c2ba28 623 char *buf, int len);
6ea54d93
DSL		 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,
a6c2ba28 628 char *buf, int len);
6ea54d93 629 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
3aefb79a
MCC		 630
631 enum em28xx_mode mode;
632
6a1acc3b
DH		 633 /* register numbers for GPO/GPIO registers */
634 u16 reg_gpo_num, reg_gpio_num;
635
c67ec53f
MCC		 636 /* Caches GPO and GPIO registers */
637 unsigned char reg_gpo, reg_gpio;
638
a9fc52bc
DH		 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
3421b778 644 struct em28xx_dvb *dvb;
d2ebd0f8
MCC		 645
646 /* I2C keyboard data */
d2ebd0f8 647 struct IR_i2c_init_data init_data;
a6c2ba28 648};
649
6d79468d
MCC		 650struct em28xx_ops {
651 struct list_head next;
652 char *name;
653 int id;
654 int (*init)(struct em28xx *);
655 int (*fini)(struct em28xx *);
a3a048ce
MCC		 656};
657
3acf2809 658/* Provided by em28xx-i2c.c */
fad7b958 659void em28xx_do_i2c_scan(struct em28xx *dev);
f2cf250a
DSL		 660int em28xx_i2c_register(struct em28xx *dev);
661int em28xx_i2c_unregister(struct em28xx *dev);
a6c2ba28 662
3acf2809 663/* Provided by em28xx-core.c */
a6c2ba28 664
3acf2809
MCC		 665u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
666void em28xx_queue_unusedframes(struct em28xx *dev);
667void em28xx_release_buffers(struct em28xx *dev);
a6c2ba28 668
3acf2809 669int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
a6c2ba28 670 char *buf, int len);
3acf2809
MCC		 671int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
672int em28xx_read_reg(struct em28xx *dev, u16 reg);
673int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
a6c2ba28 674 int len);
3acf2809 675int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
b6972489 676int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
1bad429e
MCC		 677int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
678 u8 bitmask);
b6972489 679
531c98e7
MCC		 680int em28xx_read_ac97(struct em28xx *dev, u8 reg);
681int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
682
3acf2809 683int em28xx_audio_analog_set(struct em28xx *dev);
35643943 684int em28xx_audio_setup(struct em28xx *dev);
539c96d0 685
3acf2809
MCC		 686int em28xx_colorlevels_set_default(struct em28xx *dev);
687int em28xx_capture_start(struct em28xx *dev, int start);
da52a55c 688int em28xx_vbi_supported(struct em28xx *dev);
bddcf633 689int em28xx_set_outfmt(struct em28xx *dev);
3acf2809 690int em28xx_resolution_set(struct em28xx *dev);
3acf2809 691int em28xx_set_alternate(struct em28xx *dev);
86d38d1e
GG		 692int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode,
693 int max_packets, int num_bufs, int max_pkt_size);
694int em28xx_init_isoc(struct em28xx *dev, enum em28xx_mode mode,
695 int max_packets, int num_bufs, int max_pkt_size,
c67ec53f 696 int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
86d38d1e 697void em28xx_uninit_isoc(struct em28xx *dev, enum em28xx_mode mode);
d18e2fda 698int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev);
c67ec53f
MCC		 699int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
700int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
1a23f81b 701void em28xx_wake_i2c(struct em28xx *dev);
6d79468d
MCC		 702int em28xx_register_extension(struct em28xx_ops *dev);
703void em28xx_unregister_extension(struct em28xx_ops *dev);
1a23f81b
MCC		 704void em28xx_init_extension(struct em28xx *dev);
705void em28xx_close_extension(struct em28xx *dev);
706
707/* Provided by em28xx-video.c */
1a23f81b
MCC		 708int em28xx_register_analog_devices(struct em28xx *dev);
709void em28xx_release_analog_resources(struct em28xx *dev);
6d79468d 710
3acf2809 711/* Provided by em28xx-cards.c */
6ea54d93 712extern int em2800_variant_detect(struct usb_device *udev, int model);
a94e95b4 713extern void em28xx_pre_card_setup(struct em28xx *dev);
3acf2809
MCC		 714extern void em28xx_card_setup(struct em28xx *dev);
715extern struct em28xx_board em28xx_boards[];
716extern struct usb_device_id em28xx_id_table[];
717extern const unsigned int em28xx_bcount;
c668f32d 718void em28xx_register_i2c_ir(struct em28xx *dev);
d7cba043 719int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
1a23f81b 720void em28xx_release_resources(struct em28xx *dev);
c8793b03
MCC		 721
722/* Provided by em28xx-input.c */
5b89ecf9
MCC		 723
724#ifdef CONFIG_VIDEO_EM28XX_RC
725
c8793b03
MCC		 726int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
727int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
728int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
729 u32 *ir_raw);
ca39d84d
MA		 730int em28xx_get_key_winfast_usbii_deluxe(struct IR_i2c *ir, u32 *ir_key,
731 u32 *ir_raw);
a9fc52bc
DH		 732void em28xx_register_snapshot_button(struct em28xx *dev);
733void em28xx_deregister_snapshot_button(struct em28xx *dev);
a6c2ba28 734
a924a499
MCC		 735int em28xx_ir_init(struct em28xx *dev);
736int em28xx_ir_fini(struct em28xx *dev);
737
5b89ecf9
MCC		 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
745static inline void em28xx_register_snapshot_button(struct em28xx *dev) {}
746static inline void em28xx_deregister_snapshot_button(struct em28xx *dev) {}
747static inline int em28xx_ir_init(struct em28xx *dev) { return 0; }
748static inline int em28xx_ir_fini(struct em28xx *dev) { return 0; }
749
750#endif
751
28abf083
DH		 752/* Provided by em28xx-vbi.c */
753extern struct videobuf_queue_ops em28xx_vbi_qops;
754
a6c2ba28 755/* printk macros */
756
3acf2809 757#define em28xx_err(fmt, arg...) do {\
f85c657f 758 printk(KERN_ERR fmt , ##arg); } while (0)
a6c2ba28 759
3acf2809 760#define em28xx_errdev(fmt, arg...) do {\
4ac97914 761 printk(KERN_ERR "%s: "fmt,\
f85c657f 762 dev->name , ##arg); } while (0)
a6c2ba28 763
3acf2809 764#define em28xx_info(fmt, arg...) do {\
4ac97914 765 printk(KERN_INFO "%s: "fmt,\
f85c657f 766 dev->name , ##arg); } while (0)
3acf2809 767#define em28xx_warn(fmt, arg...) do {\
4ac97914 768 printk(KERN_WARNING "%s: "fmt,\
f85c657f 769 dev->name , ##arg); } while (0)
a6c2ba28 770
6ea54d93 771static inline int em28xx_compression_disable(struct em28xx *dev)
a6c2ba28 772{
773 /* side effect of disabling scaler and mixer */
2a29a0d7 774 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
a6c2ba28 775}
776
6ea54d93 777static inline int em28xx_contrast_get(struct em28xx *dev)
a6c2ba28 778{
41facaa4 779 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
a6c2ba28 780}
781
6ea54d93 782static inline int em28xx_brightness_get(struct em28xx *dev)
a6c2ba28 783{
41facaa4 784 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
a6c2ba28 785}
786
6ea54d93 787static inline int em28xx_saturation_get(struct em28xx *dev)
a6c2ba28 788{
41facaa4 789 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
a6c2ba28 790}
791
6ea54d93 792static inline int em28xx_u_balance_get(struct em28xx *dev)
a6c2ba28 793{
41facaa4 794 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
a6c2ba28 795}
796
6ea54d93 797static inline int em28xx_v_balance_get(struct em28xx *dev)
a6c2ba28 798{
41facaa4 799 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
a6c2ba28 800}
801
6ea54d93 802static inline int em28xx_gamma_get(struct em28xx *dev)
a6c2ba28 803{
41facaa4 804 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
a6c2ba28 805}
806
6ea54d93 807static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
a6c2ba28 808{
809 u8 tmp = (u8) val;
41facaa4 810 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
a6c2ba28 811}
812
6ea54d93 813static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
a6c2ba28 814{
815 u8 tmp = (u8) val;
41facaa4 816 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
a6c2ba28 817}
818
6ea54d93 819static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
a6c2ba28 820{
821 u8 tmp = (u8) val;
41facaa4 822 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
a6c2ba28 823}
824
6ea54d93 825static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
a6c2ba28 826{
827 u8 tmp = (u8) val;
41facaa4 828 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
a6c2ba28 829}
830
6ea54d93 831static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
a6c2ba28 832{
833 u8 tmp = (u8) val;
41facaa4 834 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
a6c2ba28 835}
836
6ea54d93 837static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
a6c2ba28 838{
839 u8 tmp = (u8) val;
41facaa4 840 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
a6c2ba28 841}
842
843/*FIXME: maxw should be dependent of alt mode */
6ea54d93 844static inline unsigned int norm_maxw(struct em28xx *dev)
30556b23 845{
55699964
MCC		 846 if (dev->board.is_webcam)
847 return dev->sensor_xres;
848
1020d13d 849 if (dev->board.max_range_640_480)
7d497f8a 850 return 640;
55699964
MCC		 851
852 return 720;
30556b23
MR		 853}
854
6ea54d93 855static inline unsigned int norm_maxh(struct em28xx *dev)
a6c2ba28 856{
55699964
MCC		 857 if (dev->board.is_webcam)
858 return dev->sensor_yres;
859
505b6d0b 860 if (dev->board.max_range_640_480)
7d497f8a 861 return 480;
55699964
MCC		 862
863 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
a6c2ba28 864}
a6c2ba28 865#endif
Linux kernel - Deliverables
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