801 lines
23 KiB
C
801 lines
23 KiB
C
/*
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em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
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Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
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Ludovico Cavedon <cavedon@sssup.it>
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Mauro Carvalho Chehab <mchehab@infradead.org>
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Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
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Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _EM28XX_H
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#define _EM28XX_H
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#define EM28XX_VERSION "0.2.2"
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#define DRIVER_DESC "Empia em28xx device driver"
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#include <linux/workqueue.h>
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <linux/kref.h>
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#include <linux/videodev2.h>
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#include <media/videobuf2-v4l2.h>
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#include <media/videobuf2-vmalloc.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-fh.h>
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#include <media/i2c/ir-kbd-i2c.h>
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#include <media/rc-core.h>
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#include "tuner-xc2028.h"
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#include "xc5000.h"
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#include "em28xx-reg.h"
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/* Boards supported by driver */
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#define EM2800_BOARD_UNKNOWN 0
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#define EM2820_BOARD_UNKNOWN 1
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#define EM2820_BOARD_TERRATEC_CINERGY_250 2
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#define EM2820_BOARD_PINNACLE_USB_2 3
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#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
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#define EM2820_BOARD_MSI_VOX_USB_2 5
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#define EM2800_BOARD_TERRATEC_CINERGY_200 6
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#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
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#define EM2800_BOARD_KWORLD_USB2800 8
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#define EM2820_BOARD_PINNACLE_DVC_90 9
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#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
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#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
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#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
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#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
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#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
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#define EM2800_BOARD_VGEAR_POCKETTV 15
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#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
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#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
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#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
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#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
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#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
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#define EM2800_BOARD_GRABBEEX_USB2800 21
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#define EM2750_BOARD_UNKNOWN 22
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#define EM2750_BOARD_DLCW_130 23
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#define EM2820_BOARD_DLINK_USB_TV 24
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#define EM2820_BOARD_GADMEI_UTV310 25
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#define EM2820_BOARD_HERCULES_SMART_TV_USB2 26
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#define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27
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#define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
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#define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29
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#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
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#define EM2821_BOARD_USBGEAR_VD204 31
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#define EM2821_BOARD_SUPERCOMP_USB_2 32
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#define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
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#define EM2860_BOARD_TERRATEC_HYBRID_XS 34
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#define EM2860_BOARD_TYPHOON_DVD_MAKER 35
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#define EM2860_BOARD_NETGMBH_CAM 36
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#define EM2860_BOARD_GADMEI_UTV330 37
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#define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38
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#define EM2861_BOARD_KWORLD_PVRTV_300U 39
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#define EM2861_BOARD_PLEXTOR_PX_TV100U 40
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#define EM2870_BOARD_KWORLD_350U 41
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#define EM2870_BOARD_KWORLD_355U 42
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#define EM2870_BOARD_TERRATEC_XS 43
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#define EM2870_BOARD_TERRATEC_XS_MT2060 44
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#define EM2870_BOARD_PINNACLE_PCTV_DVB 45
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#define EM2870_BOARD_COMPRO_VIDEOMATE 46
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#define EM2880_BOARD_KWORLD_DVB_305U 47
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#define EM2880_BOARD_KWORLD_DVB_310U 48
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#define EM2880_BOARD_MSI_DIGIVOX_AD 49
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#define EM2880_BOARD_MSI_DIGIVOX_AD_II 50
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#define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51
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#define EM2881_BOARD_DNT_DA2_HYBRID 52
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#define EM2881_BOARD_PINNACLE_HYBRID_PRO 53
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#define EM2882_BOARD_KWORLD_VS_DVBT 54
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#define EM2882_BOARD_TERRATEC_HYBRID_XS 55
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#define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56
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#define EM2883_BOARD_KWORLD_HYBRID_330U 57
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#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58
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#define EM2874_BOARD_PCTV_HD_MINI_80E 59
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#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60
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#define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61
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#define EM2820_BOARD_GADMEI_TVR200 62
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#define EM2860_BOARD_KAIOMY_TVNPC_U2 63
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#define EM2860_BOARD_EASYCAP 64
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#define EM2820_BOARD_IODATA_GVMVP_SZ 65
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#define EM2880_BOARD_EMPIRE_DUAL_TV 66
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#define EM2860_BOARD_TERRATEC_GRABBY 67
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#define EM2860_BOARD_TERRATEC_AV350 68
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#define EM2882_BOARD_KWORLD_ATSC_315U 69
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#define EM2882_BOARD_EVGA_INDTUBE 70
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#define EM2820_BOARD_SILVERCREST_WEBCAM 71
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#define EM2861_BOARD_GADMEI_UTV330PLUS 72
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#define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73
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#define EM2800_BOARD_VC211A 74
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#define EM2882_BOARD_DIKOM_DK300 75
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#define EM2870_BOARD_KWORLD_A340 76
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#define EM2874_BOARD_LEADERSHIP_ISDBT 77
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#define EM28174_BOARD_PCTV_290E 78
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#define EM2884_BOARD_TERRATEC_H5 79
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#define EM28174_BOARD_PCTV_460E 80
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#define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81
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#define EM2884_BOARD_CINERGY_HTC_STICK 82
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#define EM2860_BOARD_HT_VIDBOX_NW03 83
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#define EM2874_BOARD_MAXMEDIA_UB425_TC 84
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#define EM2884_BOARD_PCTV_510E 85
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#define EM2884_BOARD_PCTV_520E 86
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#define EM2884_BOARD_TERRATEC_HTC_USB_XS 87
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#define EM2884_BOARD_C3TECH_DIGITAL_DUO 88
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#define EM2874_BOARD_DELOCK_61959 89
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#define EM2874_BOARD_KWORLD_UB435Q_V2 90
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#define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91
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#define EM28178_BOARD_PCTV_461E 92
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#define EM2874_BOARD_KWORLD_UB435Q_V3 93
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#define EM28178_BOARD_PCTV_292E 94
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#define EM2861_BOARD_LEADTEK_VC100 95
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#define EM28178_BOARD_TERRATEC_T2_STICK_HD 96
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#define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97
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#define EM28178_BOARD_PLEX_PX_BCUD 98
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#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99
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#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100
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/* Limits minimum and default number of buffers */
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#define EM28XX_MIN_BUF 4
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#define EM28XX_DEF_BUF 8
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/*Limits the max URB message size */
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#define URB_MAX_CTRL_SIZE 80
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/* Params for validated field */
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#define EM28XX_BOARD_NOT_VALIDATED 1
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#define EM28XX_BOARD_VALIDATED 0
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/* Params for em28xx_cmd() audio */
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#define EM28XX_START_AUDIO 1
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#define EM28XX_STOP_AUDIO 0
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/* maximum number of em28xx boards */
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#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
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/* maximum number of frames that can be queued */
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#define EM28XX_NUM_FRAMES 5
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/* number of frames that get used for v4l2_read() */
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#define EM28XX_NUM_READ_FRAMES 2
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/* number of buffers for isoc transfers */
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#define EM28XX_NUM_BUFS 5
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#define EM28XX_DVB_NUM_BUFS 5
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/* max number of I2C buses on em28xx devices */
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#define NUM_I2C_BUSES 2
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/* isoc transfers: number of packets for each buffer
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windows requests only 64 packets .. so we better do the same
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this is what I found out for all alternate numbers there!
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*/
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#define EM28XX_NUM_ISOC_PACKETS 64
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#define EM28XX_DVB_NUM_ISOC_PACKETS 64
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/* bulk transfers: transfer buffer size = packet size * packet multiplier
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USB 2.0 spec says bulk packet size is always 512 bytes
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*/
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#define EM28XX_BULK_PACKET_MULTIPLIER 384
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#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384
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#define EM28XX_INTERLACED_DEFAULT 1
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/*
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* Time in msecs to wait for i2c xfers to finish.
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* 35ms is the maximum time a SMBUS device could wait when
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* clock stretching is used. As the transfer itself will take
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* some time to happen, set it to 35 ms.
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*
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* Ok, I2C doesn't specify any limit. So, eventually, we may need
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* to increase this timeout.
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*
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* FIXME: this assumes that an I2C message is not longer than 1ms.
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* This is actually dependent on the I2C bus speed, although most
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* devices use a 100kHz clock. So, this assumtion is true most of
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* the time.
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*/
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#define EM28XX_I2C_XFER_TIMEOUT 36
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/* time in msecs to wait for AC97 xfers to finish */
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#define EM28XX_AC97_XFER_TIMEOUT 100
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/* max. number of button state polling addresses */
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#define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5
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enum em28xx_mode {
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EM28XX_SUSPEND,
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EM28XX_ANALOG_MODE,
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EM28XX_DIGITAL_MODE,
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};
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struct em28xx;
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struct em28xx_usb_bufs {
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/* max packet size of isoc transaction */
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int max_pkt_size;
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/* number of packets in each buffer */
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int num_packets;
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/* number of allocated urbs */
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int num_bufs;
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/* urb for isoc/bulk transfers */
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struct urb **urb;
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/* transfer buffers for isoc/bulk transfer */
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char **transfer_buffer;
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};
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struct em28xx_usb_ctl {
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/* isoc/bulk transfer buffers for analog mode */
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struct em28xx_usb_bufs analog_bufs;
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/* isoc/bulk transfer buffers for digital mode */
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struct em28xx_usb_bufs digital_bufs;
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/* Stores already requested buffers */
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struct em28xx_buffer *vid_buf;
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struct em28xx_buffer *vbi_buf;
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/* copy data from URB */
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int (*urb_data_copy)(struct em28xx *dev, struct urb *urb);
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};
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/* Struct to enumberate video formats */
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struct em28xx_fmt {
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char *name;
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u32 fourcc; /* v4l2 format id */
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int depth;
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int reg;
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};
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/* buffer for one video frame */
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struct em28xx_buffer {
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/* common v4l buffer stuff -- must be first */
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struct vb2_v4l2_buffer vb;
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struct list_head list;
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void *mem;
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unsigned int length;
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int top_field;
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/* counter to control buffer fill */
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unsigned int pos;
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/* NOTE; in interlaced mode, this value is reset to zero at
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* the start of each new field (not frame !) */
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/* pointer to vmalloc memory address in vb */
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char *vb_buf;
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};
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struct em28xx_dmaqueue {
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struct list_head active;
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wait_queue_head_t wq;
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};
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/* inputs */
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#define MAX_EM28XX_INPUT 4
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enum enum28xx_itype {
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EM28XX_VMUX_COMPOSITE = 1,
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EM28XX_VMUX_SVIDEO,
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EM28XX_VMUX_TELEVISION,
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EM28XX_RADIO,
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};
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enum em28xx_ac97_mode {
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EM28XX_NO_AC97 = 0,
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EM28XX_AC97_EM202,
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EM28XX_AC97_SIGMATEL,
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EM28XX_AC97_OTHER,
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};
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struct em28xx_audio_mode {
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enum em28xx_ac97_mode ac97;
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};
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enum em28xx_int_audio_type {
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EM28XX_INT_AUDIO_NONE = 0,
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EM28XX_INT_AUDIO_AC97,
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EM28XX_INT_AUDIO_I2S,
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};
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enum em28xx_usb_audio_type {
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EM28XX_USB_AUDIO_NONE = 0,
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EM28XX_USB_AUDIO_CLASS,
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EM28XX_USB_AUDIO_VENDOR,
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};
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/* em28xx has two audio inputs: tuner and line in.
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However, on most devices, an auxiliary AC97 codec device is used.
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The AC97 device may have several different inputs and outputs,
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depending on their model. So, it is possible to use AC97 mixer to
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address more than two different entries.
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*/
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enum em28xx_amux {
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/* This is the only entry for em28xx tuner input */
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EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */
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EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */
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/* Some less-common mixer setups */
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EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */
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EM28XX_AMUX_PHONE,
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EM28XX_AMUX_MIC,
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EM28XX_AMUX_CD,
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EM28XX_AMUX_AUX,
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EM28XX_AMUX_PCM_OUT,
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};
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enum em28xx_aout {
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/* AC97 outputs */
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EM28XX_AOUT_MASTER = 1 << 0,
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EM28XX_AOUT_LINE = 1 << 1,
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EM28XX_AOUT_MONO = 1 << 2,
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EM28XX_AOUT_LFE = 1 << 3,
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EM28XX_AOUT_SURR = 1 << 4,
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/* PCM IN Mixer - used by AC97_RECORD_SELECT register */
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EM28XX_AOUT_PCM_IN = 1 << 7,
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/* Bits 10-8 are used to indicate the PCM IN record select */
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EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
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EM28XX_AOUT_PCM_CD = 1 << 8,
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EM28XX_AOUT_PCM_VIDEO = 2 << 8,
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EM28XX_AOUT_PCM_AUX = 3 << 8,
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EM28XX_AOUT_PCM_LINE = 4 << 8,
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EM28XX_AOUT_PCM_STEREO = 5 << 8,
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EM28XX_AOUT_PCM_MONO = 6 << 8,
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EM28XX_AOUT_PCM_PHONE = 7 << 8,
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};
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static inline int ac97_return_record_select(int a_out)
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{
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return (a_out & 0x700) >> 8;
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}
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struct em28xx_reg_seq {
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int reg;
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unsigned char val, mask;
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int sleep;
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};
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struct em28xx_input {
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enum enum28xx_itype type;
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unsigned int vmux;
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enum em28xx_amux amux;
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enum em28xx_aout aout;
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struct em28xx_reg_seq *gpio;
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};
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#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
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enum em28xx_decoder {
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EM28XX_NODECODER = 0,
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EM28XX_TVP5150,
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EM28XX_SAA711X,
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};
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enum em28xx_sensor {
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EM28XX_NOSENSOR = 0,
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EM28XX_MT9V011,
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EM28XX_MT9M001,
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EM28XX_MT9M111,
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EM28XX_OV2640,
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};
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enum em28xx_adecoder {
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EM28XX_NOADECODER = 0,
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EM28XX_TVAUDIO,
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};
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enum em28xx_led_role {
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EM28XX_LED_ANALOG_CAPTURING = 0,
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EM28XX_LED_DIGITAL_CAPTURING,
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EM28XX_LED_DIGITAL_CAPTURING_TS2,
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EM28XX_LED_ILLUMINATION,
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EM28XX_NUM_LED_ROLES, /* must be the last */
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};
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struct em28xx_led {
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enum em28xx_led_role role;
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u8 gpio_reg;
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u8 gpio_mask;
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bool inverted;
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};
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enum em28xx_button_role {
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EM28XX_BUTTON_SNAPSHOT = 0,
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EM28XX_BUTTON_ILLUMINATION,
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EM28XX_NUM_BUTTON_ROLES, /* must be the last */
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};
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struct em28xx_button {
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enum em28xx_button_role role;
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u8 reg_r;
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u8 reg_clearing;
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u8 mask;
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bool inverted;
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};
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struct em28xx_board {
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char *name;
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int vchannels;
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int tuner_type;
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int tuner_addr;
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unsigned def_i2c_bus; /* Default I2C bus */
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/* i2c flags */
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unsigned int tda9887_conf;
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/* GPIO sequences */
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struct em28xx_reg_seq *dvb_gpio;
|
|
struct em28xx_reg_seq *suspend_gpio;
|
|
struct em28xx_reg_seq *tuner_gpio;
|
|
struct em28xx_reg_seq *mute_gpio;
|
|
|
|
unsigned int is_em2800:1;
|
|
unsigned int has_msp34xx:1;
|
|
unsigned int mts_firmware:1;
|
|
unsigned int max_range_640_480:1;
|
|
unsigned int has_dvb:1;
|
|
unsigned int is_webcam:1;
|
|
unsigned int valid:1;
|
|
unsigned int has_ir_i2c:1;
|
|
|
|
unsigned char xclk, i2c_speed;
|
|
unsigned char radio_addr;
|
|
unsigned short tvaudio_addr;
|
|
|
|
enum em28xx_decoder decoder;
|
|
enum em28xx_adecoder adecoder;
|
|
|
|
struct em28xx_input input[MAX_EM28XX_INPUT];
|
|
struct em28xx_input radio;
|
|
char *ir_codes;
|
|
|
|
/* LEDs that need to be controlled explicitly */
|
|
struct em28xx_led *leds;
|
|
|
|
/* Buttons */
|
|
struct em28xx_button *buttons;
|
|
};
|
|
|
|
struct em28xx_eeprom {
|
|
u8 id[4]; /* 1a eb 67 95 */
|
|
__le16 vendor_ID;
|
|
__le16 product_ID;
|
|
|
|
__le16 chip_conf;
|
|
|
|
__le16 board_conf;
|
|
|
|
__le16 string1, string2, string3;
|
|
|
|
u8 string_idx_table;
|
|
};
|
|
|
|
#define EM28XX_CAPTURE_STREAM_EN 1
|
|
|
|
/* em28xx extensions */
|
|
#define EM28XX_AUDIO 0x10
|
|
#define EM28XX_DVB 0x20
|
|
#define EM28XX_RC 0x30
|
|
#define EM28XX_V4L2 0x40
|
|
|
|
/* em28xx resource types (used for res_get/res_lock etc */
|
|
#define EM28XX_RESOURCE_VIDEO 0x01
|
|
#define EM28XX_RESOURCE_VBI 0x02
|
|
|
|
struct em28xx_v4l2 {
|
|
struct kref ref;
|
|
struct em28xx *dev;
|
|
|
|
struct v4l2_device v4l2_dev;
|
|
struct v4l2_ctrl_handler ctrl_handler;
|
|
struct v4l2_clk *clk;
|
|
|
|
struct video_device vdev;
|
|
struct video_device vbi_dev;
|
|
struct video_device radio_dev;
|
|
|
|
/* Videobuf2 */
|
|
struct vb2_queue vb_vidq;
|
|
struct vb2_queue vb_vbiq;
|
|
struct mutex vb_queue_lock;
|
|
struct mutex vb_vbi_queue_lock;
|
|
|
|
u8 vinmode;
|
|
u8 vinctl;
|
|
|
|
/* Camera specific fields */
|
|
int sensor_xres;
|
|
int sensor_yres;
|
|
int sensor_xtal;
|
|
|
|
int users; /* user count for exclusive use */
|
|
int streaming_users; /* number of actively streaming users */
|
|
|
|
u32 frequency; /* selected tuner frequency */
|
|
|
|
struct em28xx_fmt *format;
|
|
v4l2_std_id norm; /* selected tv norm */
|
|
|
|
/* Progressive/interlaced mode */
|
|
bool progressive;
|
|
int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */
|
|
/* FIXME: everything else than interlaced_fieldmode=1 doesn't work */
|
|
|
|
/* Frame properties */
|
|
int width; /* current frame width */
|
|
int height; /* current frame height */
|
|
unsigned hscale; /* horizontal scale factor (see datasheet) */
|
|
unsigned vscale; /* vertical scale factor (see datasheet) */
|
|
unsigned int vbi_width;
|
|
unsigned int vbi_height; /* lines per field */
|
|
|
|
/* Capture state tracking */
|
|
int capture_type;
|
|
bool top_field;
|
|
int vbi_read;
|
|
unsigned int field_count;
|
|
|
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
|
struct media_pad video_pad, vbi_pad;
|
|
struct media_entity *decoder;
|
|
#endif
|
|
};
|
|
|
|
struct em28xx_audio {
|
|
char name[50];
|
|
unsigned num_urb;
|
|
char **transfer_buffer;
|
|
struct urb **urb;
|
|
struct usb_device *udev;
|
|
unsigned int capture_transfer_done;
|
|
struct snd_pcm_substream *capture_pcm_substream;
|
|
|
|
unsigned int hwptr_done_capture;
|
|
struct snd_card *sndcard;
|
|
|
|
size_t period;
|
|
|
|
int users;
|
|
spinlock_t slock;
|
|
|
|
/* Controls streaming */
|
|
struct work_struct wq_trigger; /* trigger to start/stop audio */
|
|
atomic_t stream_started; /* stream should be running if true */
|
|
};
|
|
|
|
struct em28xx;
|
|
|
|
enum em28xx_i2c_algo_type {
|
|
EM28XX_I2C_ALGO_EM28XX = 0,
|
|
EM28XX_I2C_ALGO_EM2800,
|
|
EM28XX_I2C_ALGO_EM25XX_BUS_B,
|
|
};
|
|
|
|
struct em28xx_i2c_bus {
|
|
struct em28xx *dev;
|
|
|
|
unsigned bus;
|
|
enum em28xx_i2c_algo_type algo_type;
|
|
};
|
|
|
|
/* main device struct */
|
|
struct em28xx {
|
|
struct kref ref;
|
|
|
|
/* Sub-module data */
|
|
struct em28xx_v4l2 *v4l2;
|
|
struct em28xx_dvb *dvb;
|
|
struct em28xx_audio adev;
|
|
struct em28xx_IR *ir;
|
|
|
|
/* generic device properties */
|
|
int model; /* index in the device_data struct */
|
|
int devno; /* marks the number of this device */
|
|
enum em28xx_chip_id chip_id;
|
|
|
|
unsigned int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */
|
|
unsigned char disconnected:1; /* device has been diconnected */
|
|
unsigned int has_video:1;
|
|
unsigned int is_audio_only:1;
|
|
enum em28xx_int_audio_type int_audio_type;
|
|
enum em28xx_usb_audio_type usb_audio_type;
|
|
|
|
struct em28xx_board board;
|
|
|
|
enum em28xx_sensor em28xx_sensor; /* camera specific */
|
|
|
|
/* Some older em28xx chips needs a waiting time after writing */
|
|
unsigned int wait_after_write;
|
|
|
|
struct list_head devlist;
|
|
|
|
u32 i2s_speed; /* I2S speed for audio digital stream */
|
|
|
|
struct em28xx_audio_mode audio_mode;
|
|
|
|
int tuner_type; /* type of the tuner */
|
|
|
|
/* i2c i/o */
|
|
struct i2c_adapter i2c_adap[NUM_I2C_BUSES];
|
|
struct i2c_client i2c_client[NUM_I2C_BUSES];
|
|
struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES];
|
|
|
|
unsigned char eeprom_addrwidth_16bit:1;
|
|
unsigned def_i2c_bus; /* Default I2C bus */
|
|
unsigned cur_i2c_bus; /* Current I2C bus */
|
|
struct rt_mutex i2c_bus_lock;
|
|
|
|
/* video for linux */
|
|
unsigned int ctl_input; /* selected input */
|
|
unsigned int ctl_ainput;/* selected audio input */
|
|
unsigned int ctl_aoutput;/* selected audio output */
|
|
int mute;
|
|
int volume;
|
|
|
|
unsigned long hash; /* eeprom hash - for boards with generic ID */
|
|
unsigned long i2c_hash; /* i2c devicelist hash -
|
|
for boards with generic ID */
|
|
|
|
struct work_struct request_module_wk;
|
|
|
|
/* locks */
|
|
struct mutex lock;
|
|
struct mutex ctrl_urb_lock; /* protects urb_buf */
|
|
|
|
/* resources in use */
|
|
unsigned int resources;
|
|
|
|
/* eeprom content */
|
|
u8 *eedata;
|
|
u16 eedata_len;
|
|
|
|
/* Isoc control struct */
|
|
struct em28xx_dmaqueue vidq;
|
|
struct em28xx_dmaqueue vbiq;
|
|
struct em28xx_usb_ctl usb_ctl;
|
|
spinlock_t slock;
|
|
|
|
/* usb transfer */
|
|
struct usb_interface *intf; /* the usb interface */
|
|
u8 ifnum; /* number of the assigned usb interface */
|
|
u8 analog_ep_isoc; /* address of isoc endpoint for analog */
|
|
u8 analog_ep_bulk; /* address of bulk endpoint for analog */
|
|
u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */
|
|
u8 dvb_ep_bulk; /* address of bulk endpoint for DVB */
|
|
int alt; /* alternate setting */
|
|
int max_pkt_size; /* max packet size of the selected ep at alt */
|
|
int packet_multiplier; /* multiplier for wMaxPacketSize, used for
|
|
URB buffer size definition */
|
|
int num_alt; /* number of alternative settings */
|
|
unsigned int *alt_max_pkt_size_isoc; /* array of isoc wMaxPacketSize */
|
|
unsigned int analog_xfer_bulk:1; /* use bulk instead of isoc
|
|
transfers for analog */
|
|
int dvb_alt_isoc; /* alternate setting for DVB isoc transfers */
|
|
unsigned int dvb_max_pkt_size_isoc; /* isoc max packet size of the
|
|
selected DVB ep at dvb_alt */
|
|
unsigned int dvb_xfer_bulk:1; /* use bulk instead of isoc
|
|
transfers for DVB */
|
|
char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
|
|
|
|
/* helper funcs that call usb_control_msg */
|
|
int (*em28xx_write_regs)(struct em28xx *dev, u16 reg,
|
|
char *buf, int len);
|
|
int (*em28xx_read_reg)(struct em28xx *dev, u16 reg);
|
|
int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg,
|
|
char *buf, int len);
|
|
int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg,
|
|
char *buf, int len);
|
|
int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg);
|
|
|
|
enum em28xx_mode mode;
|
|
|
|
/* Button state polling */
|
|
struct delayed_work buttons_query_work;
|
|
u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX];
|
|
u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX];
|
|
u8 num_button_polling_addresses;
|
|
u16 button_polling_interval; /* [ms] */
|
|
/* Snapshot button input device */
|
|
char snapshot_button_path[30]; /* path of the input dev */
|
|
struct input_dev *sbutton_input_dev;
|
|
|
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
|
struct media_device *media_dev;
|
|
struct media_entity input_ent[MAX_EM28XX_INPUT];
|
|
struct media_pad input_pad[MAX_EM28XX_INPUT];
|
|
#endif
|
|
};
|
|
|
|
#define kref_to_dev(d) container_of(d, struct em28xx, ref)
|
|
|
|
struct em28xx_ops {
|
|
struct list_head next;
|
|
char *name;
|
|
int id;
|
|
int (*init)(struct em28xx *);
|
|
int (*fini)(struct em28xx *);
|
|
int (*suspend)(struct em28xx *);
|
|
int (*resume)(struct em28xx *);
|
|
};
|
|
|
|
/* Provided by em28xx-i2c.c */
|
|
void em28xx_do_i2c_scan(struct em28xx *dev, unsigned bus);
|
|
int em28xx_i2c_register(struct em28xx *dev, unsigned bus,
|
|
enum em28xx_i2c_algo_type algo_type);
|
|
int em28xx_i2c_unregister(struct em28xx *dev, unsigned bus);
|
|
|
|
/* Provided by em28xx-core.c */
|
|
int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
|
|
char *buf, int len);
|
|
int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
|
|
int em28xx_read_reg(struct em28xx *dev, u16 reg);
|
|
int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
|
|
int len);
|
|
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
|
|
int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
|
|
int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
|
|
u8 bitmask);
|
|
int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask);
|
|
|
|
int em28xx_read_ac97(struct em28xx *dev, u8 reg);
|
|
int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
|
|
|
|
int em28xx_audio_analog_set(struct em28xx *dev);
|
|
int em28xx_audio_setup(struct em28xx *dev);
|
|
|
|
const struct em28xx_led *em28xx_find_led(struct em28xx *dev,
|
|
enum em28xx_led_role role);
|
|
int em28xx_capture_start(struct em28xx *dev, int start);
|
|
int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,
|
|
int num_bufs, int max_pkt_size, int packet_multiplier);
|
|
int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
|
|
int xfer_bulk,
|
|
int num_bufs, int max_pkt_size, int packet_multiplier,
|
|
int (*urb_data_copy)
|
|
(struct em28xx *dev, struct urb *urb));
|
|
void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode);
|
|
void em28xx_stop_urbs(struct em28xx *dev);
|
|
int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
|
|
int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
|
|
int em28xx_register_extension(struct em28xx_ops *dev);
|
|
void em28xx_unregister_extension(struct em28xx_ops *dev);
|
|
void em28xx_init_extension(struct em28xx *dev);
|
|
void em28xx_close_extension(struct em28xx *dev);
|
|
int em28xx_suspend_extension(struct em28xx *dev);
|
|
int em28xx_resume_extension(struct em28xx *dev);
|
|
|
|
/* Provided by em28xx-cards.c */
|
|
extern struct em28xx_board em28xx_boards[];
|
|
extern struct usb_device_id em28xx_id_table[];
|
|
int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
|
|
void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl);
|
|
void em28xx_free_device(struct kref *ref);
|
|
|
|
/* Provided by em28xx-camera.c */
|
|
int em28xx_detect_sensor(struct em28xx *dev);
|
|
int em28xx_init_camera(struct em28xx *dev);
|
|
|
|
#endif
|