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23#ifndef _EM28XX_H
24#define _EM28XX_H
25
26#include <linux/bitfield.h>
27
28#define EM28XX_VERSION "0.2.2"
29#define DRIVER_DESC "Empia em28xx device driver"
30
31#include <linux/workqueue.h>
32#include <linux/i2c.h>
33#include <linux/mutex.h>
34#include <linux/kref.h>
35#include <linux/videodev2.h>
36
37#include <media/videobuf2-v4l2.h>
38#include <media/videobuf2-vmalloc.h>
39#include <media/v4l2-device.h>
40#include <media/v4l2-ctrls.h>
41#include <media/v4l2-fh.h>
42#include <media/i2c/ir-kbd-i2c.h>
43#include <media/rc-core.h>
44#include "tuner-xc2028.h"
45#include "xc5000.h"
46#include "em28xx-reg.h"
47
48
49#define EM2800_BOARD_UNKNOWN 0
50#define EM2820_BOARD_UNKNOWN 1
51#define EM2820_BOARD_TERRATEC_CINERGY_250 2
52#define EM2820_BOARD_PINNACLE_USB_2 3
53#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
54#define EM2820_BOARD_MSI_VOX_USB_2 5
55#define EM2800_BOARD_TERRATEC_CINERGY_200 6
56#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
57#define EM2800_BOARD_KWORLD_USB2800 8
58#define EM2820_BOARD_PINNACLE_DVC_90 9
59#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
60#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
61#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
62#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
63#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
64#define EM2800_BOARD_VGEAR_POCKETTV 15
65#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
66#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
67#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
68#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
69#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
70#define EM2800_BOARD_GRABBEEX_USB2800 21
71#define EM2750_BOARD_UNKNOWN 22
72#define EM2750_BOARD_DLCW_130 23
73#define EM2820_BOARD_DLINK_USB_TV 24
74#define EM2820_BOARD_GADMEI_UTV310 25
75#define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
76#define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
77#define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
78#define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29
79#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
80#define EM2821_BOARD_USBGEAR_VD204 31
81#define EM2821_BOARD_SUPERCOMP_USB_2 32
82#define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
83#define EM2860_BOARD_TERRATEC_HYBRID_XS 34
84#define EM2860_BOARD_TYPHOON_DVD_MAKER 35
85#define EM2860_BOARD_NETGMBH_CAM 36
86#define EM2860_BOARD_GADMEI_UTV330 37
87#define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
88#define EM2861_BOARD_KWORLD_PVRTV_300U 39
89#define EM2861_BOARD_PLEXTOR_PX_TV100U 40
90#define EM2870_BOARD_KWORLD_350U 41
91#define EM2870_BOARD_KWORLD_355U 42
92#define EM2870_BOARD_TERRATEC_XS 43
93#define EM2870_BOARD_TERRATEC_XS_MT2060 44
94#define EM2870_BOARD_PINNACLE_PCTV_DVB 45
95#define EM2870_BOARD_COMPRO_VIDEOMATE 46
96#define EM2880_BOARD_KWORLD_DVB_305U 47
97#define EM2880_BOARD_KWORLD_DVB_310U 48
98#define EM2880_BOARD_MSI_DIGIVOX_AD 49
99#define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
100#define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
101#define EM2881_BOARD_DNT_DA2_HYBRID 52
102#define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
103#define EM2882_BOARD_KWORLD_VS_DVBT 54
104#define EM2882_BOARD_TERRATEC_HYBRID_XS 55
105#define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56
106#define EM2883_BOARD_KWORLD_HYBRID_330U 57
107#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
108#define EM2874_BOARD_PCTV_HD_MINI_80E 59
109#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
110#define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
111#define EM2820_BOARD_GADMEI_TVR200 62
112#define EM2860_BOARD_KAIOMY_TVNPC_U2 63
113#define EM2860_BOARD_EASYCAP 64
114#define EM2820_BOARD_IODATA_GVMVP_SZ 65
115#define EM2880_BOARD_EMPIRE_DUAL_TV 66
116#define EM2860_BOARD_TERRATEC_GRABBY 67
117#define EM2860_BOARD_TERRATEC_AV350 68
118#define EM2882_BOARD_KWORLD_ATSC_315U 69
119#define EM2882_BOARD_EVGA_INDTUBE 70
120#define EM2820_BOARD_SILVERCREST_WEBCAM 71
121#define EM2861_BOARD_GADMEI_UTV330PLUS 72
122#define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73
123#define EM2800_BOARD_VC211A 74
124#define EM2882_BOARD_DIKOM_DK300 75
125#define EM2870_BOARD_KWORLD_A340 76
126#define EM2874_BOARD_LEADERSHIP_ISDBT 77
127#define EM28174_BOARD_PCTV_290E 78
128#define EM2884_BOARD_TERRATEC_H5 79
129#define EM28174_BOARD_PCTV_460E 80
130#define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81
131#define EM2884_BOARD_CINERGY_HTC_STICK 82
132#define EM2860_BOARD_HT_VIDBOX_NW03 83
133#define EM2874_BOARD_MAXMEDIA_UB425_TC 84
134#define EM2884_BOARD_PCTV_510E 85
135#define EM2884_BOARD_PCTV_520E 86
136#define EM2884_BOARD_TERRATEC_HTC_USB_XS 87
137#define EM2884_BOARD_C3TECH_DIGITAL_DUO 88
138#define EM2874_BOARD_DELOCK_61959 89
139#define EM2874_BOARD_KWORLD_UB435Q_V2 90
140#define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91
141#define EM28178_BOARD_PCTV_461E 92
142#define EM2874_BOARD_KWORLD_UB435Q_V3 93
143#define EM28178_BOARD_PCTV_292E 94
144#define EM2861_BOARD_LEADTEK_VC100 95
145#define EM28178_BOARD_TERRATEC_T2_STICK_HD 96
146#define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97
147#define EM28178_BOARD_PLEX_PX_BCUD 98
148#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99
149#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100
150#define EM2884_BOARD_TERRATEC_H6 101
151#define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102
152#define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103
153#define EM28178_BOARD_PCTV_461E_V2 104
154#define EM2860_BOARD_MYGICA_IGRABBER 105
155#define EM2874_BOARD_HAUPPAUGE_USB_QUADHD 106
156
157
158#define EM28XX_MIN_BUF 4
159#define EM28XX_DEF_BUF 8
160
161
162#define URB_MAX_CTRL_SIZE 80
163
164
165#define EM28XX_BOARD_NOT_VALIDATED 1
166#define EM28XX_BOARD_VALIDATED 0
167
168
169#define EM28XX_START_AUDIO 1
170#define EM28XX_STOP_AUDIO 0
171
172
173#define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS
174
175
176#define EM28XX_NUM_FRAMES 5
177
178#define EM28XX_NUM_READ_FRAMES 2
179
180
181#define EM28XX_NUM_BUFS 5
182#define EM28XX_DVB_NUM_BUFS 5
183
184
185#define NUM_I2C_BUSES 2
186
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191
192#define EM28XX_NUM_ISOC_PACKETS 64
193#define EM28XX_DVB_NUM_ISOC_PACKETS 64
194
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198
199#define EM28XX_BULK_PACKET_MULTIPLIER 384
200#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94
201
202#define EM28XX_INTERLACED_DEFAULT 1
203
204
205#define EM28XX_AC97_XFER_TIMEOUT 100
206
207
208#define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5
209
210#define PRIMARY_TS 0
211#define SECONDARY_TS 1
212
213enum em28xx_mode {
214 EM28XX_SUSPEND,
215 EM28XX_ANALOG_MODE,
216 EM28XX_DIGITAL_MODE,
217};
218
219struct em28xx;
220
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229
230struct em28xx_usb_bufs {
231 int max_pkt_size;
232 int num_packets;
233 int num_bufs;
234 struct urb **urb;
235 char **buf;
236};
237
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246
247struct em28xx_usb_ctl {
248 struct em28xx_usb_bufs analog_bufs;
249 struct em28xx_usb_bufs digital_bufs;
250 struct em28xx_buffer *vid_buf;
251 struct em28xx_buffer *vbi_buf;
252 int (*urb_data_copy)(struct em28xx *dev, struct urb *urb);
253};
254
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261
262struct em28xx_fmt {
263 u32 fourcc;
264 int depth;
265 int reg;
266};
267
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283
284struct em28xx_buffer {
285 struct vb2_v4l2_buffer vb;
286
287 struct list_head list;
288
289 void *mem;
290 unsigned int length;
291 int top_field;
292
293 unsigned int pos;
294
295 char *vb_buf;
296};
297
298struct em28xx_dmaqueue {
299 struct list_head active;
300
301 wait_queue_head_t wq;
302};
303
304
305
306#define MAX_EM28XX_INPUT 4
307enum enum28xx_itype {
308 EM28XX_VMUX_COMPOSITE = 1,
309 EM28XX_VMUX_SVIDEO,
310 EM28XX_VMUX_TELEVISION,
311 EM28XX_RADIO,
312};
313
314enum em28xx_ac97_mode {
315 EM28XX_NO_AC97 = 0,
316 EM28XX_AC97_EM202,
317 EM28XX_AC97_SIGMATEL,
318 EM28XX_AC97_OTHER,
319};
320
321struct em28xx_audio_mode {
322 enum em28xx_ac97_mode ac97;
323};
324
325enum em28xx_int_audio_type {
326 EM28XX_INT_AUDIO_NONE = 0,
327 EM28XX_INT_AUDIO_AC97,
328 EM28XX_INT_AUDIO_I2S,
329};
330
331enum em28xx_usb_audio_type {
332 EM28XX_USB_AUDIO_NONE = 0,
333 EM28XX_USB_AUDIO_CLASS,
334 EM28XX_USB_AUDIO_VENDOR,
335};
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375
376enum em28xx_amux {
377 EM28XX_AMUX_UNUSED = -1,
378 EM28XX_AMUX_VIDEO = 0,
379 EM28XX_AMUX_LINE_IN,
380
381
382 EM28XX_AMUX_VIDEO2,
383 EM28XX_AMUX_PHONE,
384 EM28XX_AMUX_MIC,
385 EM28XX_AMUX_CD,
386 EM28XX_AMUX_AUX,
387 EM28XX_AMUX_PCM_OUT,
388};
389
390enum em28xx_aout {
391
392 EM28XX_AOUT_MASTER = BIT(0),
393 EM28XX_AOUT_LINE = BIT(1),
394 EM28XX_AOUT_MONO = BIT(2),
395 EM28XX_AOUT_LFE = BIT(3),
396 EM28XX_AOUT_SURR = BIT(4),
397
398
399 EM28XX_AOUT_PCM_IN = BIT(7),
400
401
402 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
403 EM28XX_AOUT_PCM_CD = 1 << 8,
404 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
405 EM28XX_AOUT_PCM_AUX = 3 << 8,
406 EM28XX_AOUT_PCM_LINE = 4 << 8,
407 EM28XX_AOUT_PCM_STEREO = 5 << 8,
408 EM28XX_AOUT_PCM_MONO = 6 << 8,
409 EM28XX_AOUT_PCM_PHONE = 7 << 8,
410};
411
412static inline int ac97_return_record_select(int a_out)
413{
414 return (a_out & 0x700) >> 8;
415}
416
417struct em28xx_reg_seq {
418 int reg;
419 unsigned char val, mask;
420 int sleep;
421};
422
423struct em28xx_input {
424 enum enum28xx_itype type;
425 unsigned int vmux;
426 enum em28xx_amux amux;
427 enum em28xx_aout aout;
428 const struct em28xx_reg_seq *gpio;
429};
430
431#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
432
433enum em28xx_decoder {
434 EM28XX_NODECODER = 0,
435 EM28XX_TVP5150,
436 EM28XX_SAA711X,
437};
438
439enum em28xx_sensor {
440 EM28XX_NOSENSOR = 0,
441 EM28XX_MT9V011,
442 EM28XX_MT9M001,
443 EM28XX_MT9M111,
444 EM28XX_OV2640,
445};
446
447enum em28xx_adecoder {
448 EM28XX_NOADECODER = 0,
449 EM28XX_TVAUDIO,
450};
451
452enum em28xx_led_role {
453 EM28XX_LED_ANALOG_CAPTURING = 0,
454 EM28XX_LED_DIGITAL_CAPTURING,
455 EM28XX_LED_DIGITAL_CAPTURING_TS2,
456 EM28XX_LED_ILLUMINATION,
457 EM28XX_NUM_LED_ROLES,
458};
459
460struct em28xx_led {
461 enum em28xx_led_role role;
462 u8 gpio_reg;
463 u8 gpio_mask;
464 bool inverted;
465};
466
467enum em28xx_button_role {
468 EM28XX_BUTTON_SNAPSHOT = 0,
469 EM28XX_BUTTON_ILLUMINATION,
470 EM28XX_NUM_BUTTON_ROLES,
471};
472
473struct em28xx_button {
474 enum em28xx_button_role role;
475 u8 reg_r;
476 u8 reg_clearing;
477 u8 mask;
478 bool inverted;
479};
480
481struct em28xx_board {
482 char *name;
483 int vchannels;
484 int tuner_type;
485 int tuner_addr;
486 unsigned int def_i2c_bus;
487
488
489 unsigned int tda9887_conf;
490
491
492 const struct em28xx_reg_seq *dvb_gpio;
493 const struct em28xx_reg_seq *suspend_gpio;
494 const struct em28xx_reg_seq *tuner_gpio;
495 const struct em28xx_reg_seq *mute_gpio;
496
497 unsigned int is_em2800:1;
498 unsigned int has_msp34xx:1;
499 unsigned int mts_firmware:1;
500 unsigned int max_range_640_480:1;
501 unsigned int has_dvb:1;
502 unsigned int has_dual_ts:1;
503 unsigned int is_webcam:1;
504 unsigned int valid:1;
505 unsigned int has_ir_i2c:1;
506
507 unsigned char xclk, i2c_speed;
508 unsigned char radio_addr;
509 unsigned short tvaudio_addr;
510
511 enum em28xx_decoder decoder;
512 enum em28xx_adecoder adecoder;
513
514 struct em28xx_input input[MAX_EM28XX_INPUT];
515 struct em28xx_input radio;
516 char *ir_codes;
517
518
519 struct em28xx_led *leds;
520
521
522 const struct em28xx_button *buttons;
523};
524
525struct em28xx_eeprom {
526 u8 id[4];
527 __le16 vendor_ID;
528 __le16 product_ID;
529
530 __le16 chip_conf;
531
532 __le16 board_conf;
533
534 __le16 string1, string2, string3;
535
536 u8 string_idx_table;
537};
538
539#define EM28XX_CAPTURE_STREAM_EN 1
540
541
542#define EM28XX_AUDIO 0x10
543#define EM28XX_DVB 0x20
544#define EM28XX_RC 0x30
545#define EM28XX_V4L2 0x40
546
547
548#define EM28XX_RESOURCE_VIDEO 0x01
549#define EM28XX_RESOURCE_VBI 0x02
550
551struct em28xx_v4l2 {
552 struct kref ref;
553 struct em28xx *dev;
554
555 struct v4l2_device v4l2_dev;
556 struct v4l2_ctrl_handler ctrl_handler;
557
558 struct video_device vdev;
559 struct video_device vbi_dev;
560 struct video_device radio_dev;
561
562
563 struct vb2_queue vb_vidq;
564 struct vb2_queue vb_vbiq;
565 struct mutex vb_queue_lock;
566 struct mutex vb_vbi_queue_lock;
567
568 u8 vinmode;
569 u8 vinctl;
570
571
572 int sensor_xres;
573 int sensor_yres;
574 int sensor_xtal;
575
576 int users;
577 int streaming_users;
578
579 u32 frequency;
580
581 struct em28xx_fmt *format;
582 v4l2_std_id norm;
583
584
585 bool progressive;
586 int interlaced_fieldmode;
587
588
589
590 int width;
591 int height;
592 unsigned int hscale;
593 unsigned int vscale;
594 unsigned int vbi_width;
595 unsigned int vbi_height;
596
597
598 int capture_type;
599 bool top_field;
600 int vbi_read;
601 unsigned int field_count;
602
603#ifdef CONFIG_MEDIA_CONTROLLER
604 struct media_pad video_pad, vbi_pad;
605 struct media_entity *decoder;
606#endif
607};
608
609struct em28xx_audio {
610 char name[50];
611 unsigned int num_urb;
612 char **transfer_buffer;
613 struct urb **urb;
614 struct usb_device *udev;
615 unsigned int capture_transfer_done;
616 struct snd_pcm_substream *capture_pcm_substream;
617
618 unsigned int hwptr_done_capture;
619 struct snd_card *sndcard;
620
621 size_t period;
622
623 int users;
624 spinlock_t slock;
625
626
627 struct work_struct wq_trigger;
628 atomic_t stream_started;
629};
630
631enum em28xx_i2c_algo_type {
632 EM28XX_I2C_ALGO_EM28XX = 0,
633 EM28XX_I2C_ALGO_EM2800,
634 EM28XX_I2C_ALGO_EM25XX_BUS_B,
635};
636
637struct em28xx_i2c_bus {
638 struct em28xx *dev;
639
640 unsigned int bus;
641 enum em28xx_i2c_algo_type algo_type;
642};
643
644
645struct em28xx {
646 struct kref ref;
647
648
649 struct em28xx_v4l2 *v4l2;
650 struct em28xx_dvb *dvb;
651 struct em28xx_audio adev;
652 struct em28xx_IR *ir;
653
654
655 int model;
656 int devno;
657 enum em28xx_chip_id chip_id;
658
659 unsigned int is_em25xx:1;
660 unsigned int disconnected:1;
661 unsigned int has_video:1;
662 unsigned int is_audio_only:1;
663 unsigned int is_webcam:1;
664 unsigned int has_msp34xx:1;
665 unsigned int i2c_speed:2;
666 enum em28xx_int_audio_type int_audio_type;
667 enum em28xx_usb_audio_type usb_audio_type;
668 unsigned char name[32];
669
670 struct em28xx_board board;
671
672 enum em28xx_sensor em28xx_sensor;
673
674
675 unsigned int wait_after_write;
676
677 struct list_head devlist;
678
679 u32 i2s_speed;
680
681 struct em28xx_audio_mode audio_mode;
682
683 int tuner_type;
684
685
686 struct i2c_adapter i2c_adap[NUM_I2C_BUSES];
687 struct i2c_client i2c_client[NUM_I2C_BUSES];
688 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES];
689
690 unsigned char eeprom_addrwidth_16bit:1;
691 unsigned int def_i2c_bus;
692 unsigned int cur_i2c_bus;
693 struct rt_mutex i2c_bus_lock;
694
695
696 unsigned int ctl_input;
697 unsigned int ctl_ainput;
698 unsigned int ctl_aoutput;
699 enum em28xx_amux amux_map[MAX_EM28XX_INPUT];
700
701 int mute;
702 int volume;
703
704 unsigned long hash;
705 unsigned long i2c_hash;
706
707
708 struct work_struct request_module_wk;
709
710
711 struct mutex lock;
712 struct mutex ctrl_urb_lock;
713
714
715 unsigned int resources;
716
717
718 u8 *eedata;
719 u16 eedata_len;
720
721
722 struct em28xx_dmaqueue vidq;
723 struct em28xx_dmaqueue vbiq;
724 struct em28xx_usb_ctl usb_ctl;
725
726 spinlock_t slock;
727
728
729 struct usb_interface *intf;
730 u8 ifnum;
731 u8 analog_ep_isoc;
732 u8 analog_ep_bulk;
733 u8 dvb_ep_isoc_ts2;
734 u8 dvb_ep_bulk_ts2;
735 u8 dvb_ep_isoc;
736 u8 dvb_ep_bulk;
737 int alt;
738 int max_pkt_size;
739 int packet_multiplier;
740
741 int num_alt;
742 unsigned int *alt_max_pkt_size_isoc;
743 unsigned int analog_xfer_bulk:1;
744
745 int dvb_alt_isoc;
746 unsigned int dvb_max_pkt_size_isoc;
747
748 unsigned int dvb_max_pkt_size_isoc_ts2;
749
750 unsigned int dvb_xfer_bulk:1;
751
752 char urb_buf[URB_MAX_CTRL_SIZE];
753
754
755 int (*em28xx_write_regs)(struct em28xx *dev, u16 reg,
756 char *buf, int len);
757 int (*em28xx_read_reg)(struct em28xx *dev, u16 reg);
758 int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg,
759 char *buf, int len);
760 int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg,
761 char *buf, int len);
762 int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg);
763
764 enum em28xx_mode mode;
765
766
767 struct delayed_work buttons_query_work;
768 u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX];
769 u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX];
770 u8 num_button_polling_addresses;
771 u16 button_polling_interval;
772
773 char snapshot_button_path[30];
774 struct input_dev *sbutton_input_dev;
775
776#ifdef CONFIG_MEDIA_CONTROLLER
777 struct media_device *media_dev;
778 struct media_entity input_ent[MAX_EM28XX_INPUT];
779 struct media_pad input_pad[MAX_EM28XX_INPUT];
780#endif
781
782 struct em28xx *dev_next;
783 int ts;
784};
785
786#define kref_to_dev(d) container_of(d, struct em28xx, ref)
787
788struct em28xx_ops {
789 struct list_head next;
790 char *name;
791 int id;
792 int (*init)(struct em28xx *dev);
793 int (*fini)(struct em28xx *dev);
794 int (*suspend)(struct em28xx *dev);
795 int (*resume)(struct em28xx *dev);
796};
797
798
799void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus);
800int em28xx_i2c_register(struct em28xx *dev, unsigned int bus,
801 enum em28xx_i2c_algo_type algo_type);
802int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus);
803
804
805int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
806 char *buf, int len);
807int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
808int em28xx_read_reg(struct em28xx *dev, u16 reg);
809int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
810 int len);
811int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
812int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
813int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
814 u8 bitmask);
815int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask);
816
817int em28xx_read_ac97(struct em28xx *dev, u8 reg);
818int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
819
820int em28xx_audio_analog_set(struct em28xx *dev);
821int em28xx_audio_setup(struct em28xx *dev);
822
823const struct em28xx_led *em28xx_find_led(struct em28xx *dev,
824 enum em28xx_led_role role);
825int em28xx_capture_start(struct em28xx *dev, int start);
826int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
827 int num_bufs, int max_pkt_size, int packet_multiplier);
828int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
829 int xfer_bulk,
830 int num_bufs, int max_pkt_size, int packet_multiplier,
831 int (*urb_data_copy)
832 (struct em28xx *dev, struct urb *urb));
833void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode);
834void em28xx_stop_urbs(struct em28xx *dev);
835int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
836int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio);
837int em28xx_register_extension(struct em28xx_ops *dev);
838void em28xx_unregister_extension(struct em28xx_ops *dev);
839void em28xx_init_extension(struct em28xx *dev);
840void em28xx_close_extension(struct em28xx *dev);
841int em28xx_suspend_extension(struct em28xx *dev);
842int em28xx_resume_extension(struct em28xx *dev);
843
844
845extern const struct em28xx_board em28xx_boards[];
846extern struct usb_device_id em28xx_id_table[];
847int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
848void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl);
849void em28xx_free_device(struct kref *ref);
850
851
852int em28xx_detect_sensor(struct em28xx *dev);
853int em28xx_init_camera(struct em28xx *dev);
854
855#endif
856