2 em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
4 Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
5 Ludovico Cavedon <cavedon@sssup.it>
6 Mauro Carvalho Chehab <mchehab@infradead.org>
7 Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
9 Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
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.
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.
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.
29 #include <linux/workqueue.h>
30 #include <linux/i2c.h>
31 #include <linux/mutex.h>
32 #include <linux/videodev2.h>
34 #include <media/videobuf-vmalloc.h>
35 #include <media/v4l2-device.h>
36 #include <media/v4l2-ctrls.h>
37 #include <media/v4l2-fh.h>
38 #include <media/ir-kbd-i2c.h>
39 #include <media/rc-core.h>
40 #if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
41 #include <media/videobuf-dvb.h>
43 #include "tuner-xc2028.h"
45 #include "em28xx-reg.h"
47 /* Boards supported by driver */
48 #define EM2800_BOARD_UNKNOWN 0
49 #define EM2820_BOARD_UNKNOWN 1
50 #define EM2820_BOARD_TERRATEC_CINERGY_250 2
51 #define EM2820_BOARD_PINNACLE_USB_2 3
52 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
53 #define EM2820_BOARD_MSI_VOX_USB_2 5
54 #define EM2800_BOARD_TERRATEC_CINERGY_200 6
55 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
56 #define EM2800_BOARD_KWORLD_USB2800 8
57 #define EM2820_BOARD_PINNACLE_DVC_90 9
58 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
59 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11
60 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12
61 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
62 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
63 #define EM2800_BOARD_VGEAR_POCKETTV 15
64 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
65 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
66 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
67 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
68 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
69 #define EM2800_BOARD_GRABBEEX_USB2800 21
70 #define EM2750_BOARD_UNKNOWN 22
71 #define EM2750_BOARD_DLCW_130 23
72 #define EM2820_BOARD_DLINK_USB_TV 24
73 #define EM2820_BOARD_GADMEI_UTV310 25
74 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
75 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
76 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
77 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29
78 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
79 #define EM2821_BOARD_USBGEAR_VD204 31
80 #define EM2821_BOARD_SUPERCOMP_USB_2 32
81 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
82 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34
83 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35
84 #define EM2860_BOARD_NETGMBH_CAM 36
85 #define EM2860_BOARD_GADMEI_UTV330 37
86 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
87 #define EM2861_BOARD_KWORLD_PVRTV_300U 39
88 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40
89 #define EM2870_BOARD_KWORLD_350U 41
90 #define EM2870_BOARD_KWORLD_355U 42
91 #define EM2870_BOARD_TERRATEC_XS 43
92 #define EM2870_BOARD_TERRATEC_XS_MT2060 44
93 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45
94 #define EM2870_BOARD_COMPRO_VIDEOMATE 46
95 #define EM2880_BOARD_KWORLD_DVB_305U 47
96 #define EM2880_BOARD_KWORLD_DVB_310U 48
97 #define EM2880_BOARD_MSI_DIGIVOX_AD 49
98 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
99 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
100 #define EM2881_BOARD_DNT_DA2_HYBRID 52
101 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
102 #define EM2882_BOARD_KWORLD_VS_DVBT 54
103 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55
104 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56
105 #define EM2883_BOARD_KWORLD_HYBRID_330U 57
106 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
107 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
108 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
109 #define EM2820_BOARD_GADMEI_TVR200 62
110 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63
111 #define EM2860_BOARD_EASYCAP 64
112 #define EM2820_BOARD_IODATA_GVMVP_SZ 65
113 #define EM2880_BOARD_EMPIRE_DUAL_TV 66
114 #define EM2860_BOARD_TERRATEC_GRABBY 67
115 #define EM2860_BOARD_TERRATEC_AV350 68
116 #define EM2882_BOARD_KWORLD_ATSC_315U 69
117 #define EM2882_BOARD_EVGA_INDTUBE 70
118 #define EM2820_BOARD_SILVERCREST_WEBCAM 71
119 #define EM2861_BOARD_GADMEI_UTV330PLUS 72
120 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73
121 #define EM2800_BOARD_VC211A 74
122 #define EM2882_BOARD_DIKOM_DK300 75
123 #define EM2870_BOARD_KWORLD_A340 76
124 #define EM2874_BOARD_LEADERSHIP_ISDBT 77
125 #define EM28174_BOARD_PCTV_290E 78
126 #define EM2884_BOARD_TERRATEC_H5 79
127 #define EM28174_BOARD_PCTV_460E 80
128 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81
129 #define EM2884_BOARD_CINERGY_HTC_STICK 82
130 #define EM2860_BOARD_HT_VIDBOX_NW03 83
131 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84
132 #define EM2884_BOARD_PCTV_510E 85
133 #define EM2884_BOARD_PCTV_520E 86
134 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87
136 /* Limits minimum and default number of buffers */
137 #define EM28XX_MIN_BUF 4
138 #define EM28XX_DEF_BUF 8
140 /*Limits the max URB message size */
141 #define URB_MAX_CTRL_SIZE 80
143 /* Params for validated field */
144 #define EM28XX_BOARD_NOT_VALIDATED 1
145 #define EM28XX_BOARD_VALIDATED 0
147 /* Params for em28xx_cmd() audio */
148 #define EM28XX_START_AUDIO 1
149 #define EM28XX_STOP_AUDIO 0
151 /* maximum number of em28xx boards */
152 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
154 /* maximum number of frames that can be queued */
155 #define EM28XX_NUM_FRAMES 5
156 /* number of frames that get used for v4l2_read() */
157 #define EM28XX_NUM_READ_FRAMES 2
159 /* number of buffers for isoc transfers */
160 #define EM28XX_NUM_BUFS 5
161 #define EM28XX_DVB_NUM_BUFS 5
163 /* isoc transfers: number of packets for each buffer
164 windows requests only 64 packets .. so we better do the same
165 this is what I found out for all alternate numbers there!
167 #define EM28XX_NUM_ISOC_PACKETS 64
168 #define EM28XX_DVB_NUM_ISOC_PACKETS 64
170 /* bulk transfers: transfer buffer size = packet size * packet multiplier
171 USB 2.0 spec says bulk packet size is always 512 bytes
173 #define EM28XX_BULK_PACKET_MULTIPLIER 384
174 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384
176 #define EM28XX_INTERLACED_DEFAULT 1
179 #define (use usbview if you want to get the other alternate number infos)
181 #define alternate number 2
182 #define Endpoint Address: 82
186 Max Packet Size: 1448
195 Max Packet Size: 3072
199 /* time in msecs to wait for i2c writes to finish */
200 #define EM2800_I2C_WRITE_TIMEOUT 20
211 struct em28xx_usb_bufs {
212 /* max packet size of isoc transaction */
215 /* number of packets in each buffer */
218 /* number of allocated urbs */
221 /* urb for isoc/bulk transfers */
224 /* transfer buffers for isoc/bulk transfer */
225 char **transfer_buffer;
228 struct em28xx_usb_ctl {
229 /* isoc/bulk transfer buffers for analog mode */
230 struct em28xx_usb_bufs analog_bufs;
232 /* isoc/bulk transfer buffers for digital mode */
233 struct em28xx_usb_bufs digital_bufs;
235 /* Stores already requested buffers */
236 struct em28xx_buffer *vid_buf;
237 struct em28xx_buffer *vbi_buf;
239 /* copy data from URB */
240 int (*urb_data_copy) (struct em28xx *dev, struct urb *urb);
244 /* Struct to enumberate video formats */
247 u32 fourcc; /* v4l2 format id */
252 /* buffer for one video frame */
253 struct em28xx_buffer {
254 /* common v4l buffer stuff -- must be first */
255 struct videobuf_buffer vb;
259 /* counter to control buffer fill */
261 /* NOTE; in interlaced mode, this value is reset to zero at
262 * the start of each new field (not frame !) */
264 /* pointer to vmalloc memory address in vb */
268 struct em28xx_dmaqueue {
269 struct list_head active;
271 wait_queue_head_t wq;
276 #define MAX_EM28XX_INPUT 4
277 enum enum28xx_itype {
278 EM28XX_VMUX_COMPOSITE1 = 1,
279 EM28XX_VMUX_COMPOSITE2,
280 EM28XX_VMUX_COMPOSITE3,
281 EM28XX_VMUX_COMPOSITE4,
283 EM28XX_VMUX_TELEVISION,
290 enum em28xx_ac97_mode {
293 EM28XX_AC97_SIGMATEL,
297 struct em28xx_audio_mode {
298 enum em28xx_ac97_mode ac97;
303 unsigned int has_audio:1;
305 unsigned int i2s_3rates:1;
306 unsigned int i2s_5rates:1;
309 /* em28xx has two audio inputs: tuner and line in.
310 However, on most devices, an auxiliary AC97 codec device is used.
311 The AC97 device may have several different inputs and outputs,
312 depending on their model. So, it is possible to use AC97 mixer to
313 address more than two different entries.
316 /* This is the only entry for em28xx tuner input */
317 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
319 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
321 /* Some less-common mixer setups */
322 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
332 EM28XX_AOUT_MASTER = 1 << 0,
333 EM28XX_AOUT_LINE = 1 << 1,
334 EM28XX_AOUT_MONO = 1 << 2,
335 EM28XX_AOUT_LFE = 1 << 3,
336 EM28XX_AOUT_SURR = 1 << 4,
338 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
339 EM28XX_AOUT_PCM_IN = 1 << 7,
341 /* Bits 10-8 are used to indicate the PCM IN record select */
342 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
343 EM28XX_AOUT_PCM_CD = 1 << 8,
344 EM28XX_AOUT_PCM_VIDEO = 2 << 8,
345 EM28XX_AOUT_PCM_AUX = 3 << 8,
346 EM28XX_AOUT_PCM_LINE = 4 << 8,
347 EM28XX_AOUT_PCM_STEREO = 5 << 8,
348 EM28XX_AOUT_PCM_MONO = 6 << 8,
349 EM28XX_AOUT_PCM_PHONE = 7 << 8,
352 static inline int ac97_return_record_select(int a_out)
354 return (a_out & 0x700) >> 8;
357 struct em28xx_reg_seq {
359 unsigned char val, mask;
363 struct em28xx_input {
364 enum enum28xx_itype type;
366 enum em28xx_amux amux;
367 enum em28xx_aout aout;
368 struct em28xx_reg_seq *gpio;
371 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
373 enum em28xx_decoder {
374 EM28XX_NODECODER = 0,
386 enum em28xx_adecoder {
387 EM28XX_NOADECODER = 0,
391 struct em28xx_board {
398 unsigned int tda9887_conf;
401 struct em28xx_reg_seq *dvb_gpio;
402 struct em28xx_reg_seq *suspend_gpio;
403 struct em28xx_reg_seq *tuner_gpio;
404 struct em28xx_reg_seq *mute_gpio;
406 unsigned int is_em2800:1;
407 unsigned int has_msp34xx:1;
408 unsigned int mts_firmware:1;
409 unsigned int max_range_640_480:1;
410 unsigned int has_dvb:1;
411 unsigned int has_snapshot_button:1;
412 unsigned int is_webcam:1;
413 unsigned int valid:1;
414 unsigned int has_ir_i2c:1;
416 unsigned char xclk, i2c_speed;
417 unsigned char radio_addr;
418 unsigned short tvaudio_addr;
420 enum em28xx_decoder decoder;
421 enum em28xx_adecoder adecoder;
423 struct em28xx_input input[MAX_EM28XX_INPUT];
424 struct em28xx_input radio;
428 struct em28xx_eeprom {
429 u32 id; /* 0x9567eb1a */
437 u16 string1, string2, string3;
443 enum em28xx_dev_state {
444 DEV_INITIALIZED = 0x01,
445 DEV_DISCONNECTED = 0x02,
446 DEV_MISCONFIGURED = 0x04,
449 #define EM28XX_AUDIO_BUFS 5
450 #define EM28XX_NUM_AUDIO_PACKETS 64
451 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
452 #define EM28XX_CAPTURE_STREAM_EN 1
454 /* em28xx extensions */
455 #define EM28XX_AUDIO 0x10
456 #define EM28XX_DVB 0x20
457 #define EM28XX_RC 0x30
459 /* em28xx resource types (used for res_get/res_lock etc */
460 #define EM28XX_RESOURCE_VIDEO 0x01
461 #define EM28XX_RESOURCE_VBI 0x02
463 struct em28xx_audio {
465 char *transfer_buffer[EM28XX_AUDIO_BUFS];
466 struct urb *urb[EM28XX_AUDIO_BUFS];
467 struct usb_device *udev;
468 unsigned int capture_transfer_done;
469 struct snd_pcm_substream *capture_pcm_substream;
471 unsigned int hwptr_done_capture;
472 struct snd_card *sndcard;
484 unsigned int resources;
486 struct videobuf_queue vb_vidq;
487 struct videobuf_queue vb_vbiq;
489 enum v4l2_buf_type type;
492 /* main device struct */
494 /* generic device properties */
495 char name[30]; /* name (including minor) of the device */
496 int model; /* index in the device_data struct */
497 int devno; /* marks the number of this device */
498 enum em28xx_chip_id chip_id;
502 struct v4l2_device v4l2_dev;
503 struct v4l2_ctrl_handler ctrl_handler;
504 /* provides ac97 mute and volume overrides */
505 struct v4l2_ctrl_handler ac97_ctrl_handler;
506 struct em28xx_board board;
508 /* Webcam specific fields */
509 enum em28xx_sensor em28xx_sensor;
510 int sensor_xres, sensor_yres;
513 /* Progressive (non-interlaced) mode */
516 /* Vinmode/Vinctl used at the driver */
519 unsigned int has_audio_class:1;
520 unsigned int has_alsa_audio:1;
521 unsigned int is_audio_only:1;
523 /* Controls audio streaming */
524 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
525 atomic_t stream_started; /* stream should be running if true */
527 struct em28xx_fmt *format;
529 struct em28xx_IR *ir;
531 /* Some older em28xx chips needs a waiting time after writing */
532 unsigned int wait_after_write;
534 struct list_head devlist;
536 u32 i2s_speed; /* I2S speed for audio digital stream */
538 struct em28xx_audio_mode audio_mode;
540 int tuner_type; /* type of the tuner */
541 int tuner_addr; /* tuner address */
544 struct i2c_adapter i2c_adap;
545 struct i2c_client i2c_client;
546 /* video for linux */
547 int users; /* user count for exclusive use */
548 struct video_device *vdev; /* video for linux device struct */
549 v4l2_std_id norm; /* selected tv norm */
550 int ctl_freq; /* selected frequency */
551 unsigned int ctl_input; /* selected input */
552 unsigned int ctl_ainput;/* selected audio input */
553 unsigned int ctl_aoutput;/* selected audio output */
556 /* frame properties */
557 int width; /* current frame width */
558 int height; /* current frame height */
559 unsigned hscale; /* horizontal scale factor (see datasheet) */
560 unsigned vscale; /* vertical scale factor (see datasheet) */
561 int interlaced; /* 1=interlace fileds, 0=just top fileds */
562 unsigned int video_bytesread; /* Number of bytes read */
564 unsigned long hash; /* eeprom hash - for boards with generic ID */
565 unsigned long i2c_hash; /* i2c devicelist hash -
566 for boards with generic ID */
568 struct em28xx_audio adev;
571 enum em28xx_dev_state state;
573 /* capture state tracking */
575 unsigned char top_field:1;
577 unsigned int vbi_width;
578 unsigned int vbi_height; /* lines per field */
580 struct work_struct request_module_wk;
584 struct mutex ctrl_urb_lock; /* protects urb_buf */
585 /* spinlock_t queue_lock; */
586 struct list_head inqueue, outqueue;
587 struct video_device *vbi_dev;
588 struct video_device *radio_dev;
590 /* resources in use */
591 unsigned int resources;
593 unsigned char eedata[256];
595 /* Isoc control struct */
596 struct em28xx_dmaqueue vidq;
597 struct em28xx_dmaqueue vbiq;
598 struct em28xx_usb_ctl usb_ctl;
602 struct usb_device *udev; /* the usb device */
603 u8 analog_ep_isoc; /* address of isoc endpoint for analog */
604 u8 analog_ep_bulk; /* address of bulk endpoint for analog */
605 u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */
606 u8 dvb_ep_bulk; /* address of bulk endpoint for DVC */
607 int alt; /* alternate setting */
608 int max_pkt_size; /* max packet size of the selected ep at alt */
609 int packet_multiplier; /* multiplier for wMaxPacketSize, used for
610 URB buffer size definition */
611 int num_alt; /* number of alternative settings */
612 unsigned int *alt_max_pkt_size_isoc; /* array of isoc wMaxPacketSize */
613 unsigned int analog_xfer_bulk:1; /* use bulk instead of isoc
614 transfers for analog */
615 int dvb_alt_isoc; /* alternate setting for DVB isoc transfers */
616 unsigned int dvb_max_pkt_size_isoc; /* isoc max packet size of the
617 selected DVB ep at dvb_alt */
618 unsigned int dvb_xfer_bulk:1; /* use bulk instead of isoc
620 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
622 /* helper funcs that call usb_control_msg */
623 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
625 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
626 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
628 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
630 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
632 enum em28xx_mode mode;
634 /* register numbers for GPO/GPIO registers */
635 u16 reg_gpo_num, reg_gpio_num;
637 /* Caches GPO and GPIO registers */
638 unsigned char reg_gpo, reg_gpio;
640 /* Snapshot button */
641 char snapshot_button_path[30]; /* path of the input dev */
642 struct input_dev *sbutton_input_dev;
643 struct delayed_work sbutton_query_work;
645 struct em28xx_dvb *dvb;
647 /* I2C keyboard data */
648 struct IR_i2c_init_data init_data;
652 struct list_head next;
655 int (*init)(struct em28xx *);
656 int (*fini)(struct em28xx *);
659 /* Provided by em28xx-i2c.c */
660 void em28xx_do_i2c_scan(struct em28xx *dev);
661 int em28xx_i2c_register(struct em28xx *dev);
662 int em28xx_i2c_unregister(struct em28xx *dev);
664 /* Provided by em28xx-core.c */
666 u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
667 void em28xx_queue_unusedframes(struct em28xx *dev);
668 void em28xx_release_buffers(struct em28xx *dev);
670 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
672 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
673 int em28xx_read_reg(struct em28xx *dev, u16 reg);
674 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
676 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
677 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
678 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
681 int em28xx_read_ac97(struct em28xx *dev, u8 reg);
682 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
684 int em28xx_audio_analog_set(struct em28xx *dev);
685 int em28xx_audio_setup(struct em28xx *dev);
687 int em28xx_colorlevels_set_default(struct em28xx *dev);
688 int em28xx_capture_start(struct em28xx *dev, int start);
689 int em28xx_vbi_supported(struct em28xx *dev);
690 int em28xx_set_outfmt(struct em28xx *dev);
691 int em28xx_resolution_set(struct em28xx *dev);
692 int em28xx_set_alternate(struct em28xx *dev);
693 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
694 int num_bufs, int max_pkt_size, int packet_multiplier);
695 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
697 int num_bufs, int max_pkt_size, int packet_multiplier,
699 (struct em28xx *dev, struct urb *urb));
700 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode);
701 void em28xx_stop_urbs(struct em28xx *dev);
702 int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev);
703 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
704 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
705 void em28xx_wake_i2c(struct em28xx *dev);
706 int em28xx_register_extension(struct em28xx_ops *dev);
707 void em28xx_unregister_extension(struct em28xx_ops *dev);
708 void em28xx_init_extension(struct em28xx *dev);
709 void em28xx_close_extension(struct em28xx *dev);
711 /* Provided by em28xx-video.c */
712 int em28xx_register_analog_devices(struct em28xx *dev);
713 void em28xx_release_analog_resources(struct em28xx *dev);
714 void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv);
715 extern const struct v4l2_ctrl_ops em28xx_ctrl_ops;
717 /* Provided by em28xx-cards.c */
718 extern int em2800_variant_detect(struct usb_device *udev, int model);
719 extern struct em28xx_board em28xx_boards[];
720 extern struct usb_device_id em28xx_id_table[];
721 extern const unsigned int em28xx_bcount;
722 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
723 void em28xx_release_resources(struct em28xx *dev);
725 /* Provided by em28xx-vbi.c */
726 extern struct videobuf_queue_ops em28xx_vbi_qops;
730 #define em28xx_err(fmt, arg...) do {\
731 printk(KERN_ERR fmt , ##arg); } while (0)
733 #define em28xx_errdev(fmt, arg...) do {\
734 printk(KERN_ERR "%s: "fmt,\
735 dev->name , ##arg); } while (0)
737 #define em28xx_info(fmt, arg...) do {\
738 printk(KERN_INFO "%s: "fmt,\
739 dev->name , ##arg); } while (0)
740 #define em28xx_warn(fmt, arg...) do {\
741 printk(KERN_WARNING "%s: "fmt,\
742 dev->name , ##arg); } while (0)
744 static inline int em28xx_compression_disable(struct em28xx *dev)
746 /* side effect of disabling scaler and mixer */
747 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
750 static inline int em28xx_contrast_get(struct em28xx *dev)
752 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
755 static inline int em28xx_brightness_get(struct em28xx *dev)
757 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
760 static inline int em28xx_saturation_get(struct em28xx *dev)
762 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
765 static inline int em28xx_u_balance_get(struct em28xx *dev)
767 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
770 static inline int em28xx_v_balance_get(struct em28xx *dev)
772 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
775 static inline int em28xx_gamma_get(struct em28xx *dev)
777 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
780 static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
783 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
786 static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
789 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
792 static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
795 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
798 static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
801 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
804 static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
807 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
810 static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
813 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
816 /*FIXME: maxw should be dependent of alt mode */
817 static inline unsigned int norm_maxw(struct em28xx *dev)
819 if (dev->board.is_webcam)
820 return dev->sensor_xres;
822 if (dev->board.max_range_640_480)
828 static inline unsigned int norm_maxh(struct em28xx *dev)
830 if (dev->board.is_webcam)
831 return dev->sensor_yres;
833 if (dev->board.max_range_640_480)
836 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;