| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mauro Carvalho Chehab | 1150 | 42.72% | 89 | 41.20% |
| Frank Schäfer | 481 | 17.87% | 46 | 21.30% |
| Andrew Morton | 387 | 14.38% | 1 | 0.46% |
| Douglas Schilling Landgraf | 184 | 6.84% | 7 | 3.24% |
| Devin Heitmueller | 110 | 4.09% | 18 | 8.33% |
| Aidan Thornton | 59 | 2.19% | 1 | 0.46% |
| Gianluca Gennari | 57 | 2.12% | 2 | 0.93% |
| Brad Love | 50 | 1.86% | 5 | 2.31% |
| Shuah Khan | 40 | 1.49% | 1 | 0.46% |
| Antti Palosaari | 27 | 1.00% | 7 | 3.24% |
| Sascha Sommer | 13 | 0.48% | 1 | 0.46% |
| Olli Salonen | 10 | 0.37% | 2 | 0.93% |
| Hans Verkuil | 9 | 0.33% | 5 | 2.31% |
| Eddi De Pieri | 7 | 0.26% | 1 | 0.46% |
| Vitaly Wool | 7 | 0.26% | 2 | 0.93% |
| Ivan Kalvachev | 5 | 0.19% | 1 | 0.46% |
| Holger Nelson | 5 | 0.19% | 1 | 0.46% |
| Franklin Meng | 4 | 0.15% | 1 | 0.46% |
| Indika Katugampala | 4 | 0.15% | 1 | 0.46% |
| Satoshi Nagahama | 4 | 0.15% | 1 | 0.46% |
| Aron Szabo | 4 | 0.15% | 1 | 0.46% |
| Gareth Williams | 4 | 0.15% | 1 | 0.46% |
| Witold Krecicki | 4 | 0.15% | 1 | 0.46% |
| Adrian Taylor | 4 | 0.15% | 1 | 0.46% |
| Gilles Risch | 4 | 0.15% | 1 | 0.46% |
| Junghak Sung | 4 | 0.15% | 1 | 0.46% |
| Jakob Haufe | 4 | 0.15% | 1 | 0.46% |
| Dominik Danelski | 4 | 0.15% | 1 | 0.46% |
| Kevin Cheng | 4 | 0.15% | 1 | 0.46% |
| Ezequiel García | 4 | 0.15% | 1 | 0.46% |
| Jean-Francois Thibert | 4 | 0.15% | 1 | 0.46% |
| Andrea.Amorosi76@gmail.com | 4 | 0.15% | 1 | 0.46% |
| Marcel Stork | 4 | 0.15% | 1 | 0.46% |
| Christopher Snowhill | 4 | 0.15% | 1 | 0.46% |
| Jarod Wilson | 4 | 0.15% | 1 | 0.46% |
| Martin Blumenstingl | 4 | 0.15% | 1 | 0.46% |
| Andreas Oberritter | 4 | 0.15% | 1 | 0.46% |
| Ingo Molnar | 3 | 0.11% | 1 | 0.46% |
| Michael Ira Krufky | 3 | 0.11% | 1 | 0.46% |
| David Härdeman | 2 | 0.07% | 1 | 0.46% |
| Christophe Jaillet | 1 | 0.04% | 1 | 0.46% |
| Geert Uytterhoeven | 1 | 0.04% | 1 | 0.46% |
| Robert Krakora | 1 | 0.04% | 1 | 0.46% |
| Total | 2692 | 216 |
/* SPDX-License-Identifier: GPL-2.0+ */ /* * em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices * * Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> * Ludovico Cavedon <cavedon@sssup.it> * Mauro Carvalho Chehab <mchehab@kernel.org> * Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> * * Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> */ #ifndef _EM28XX_H #define _EM28XX_H #include <linux/bitfield.h> #define EM28XX_VERSION "0.2.2" #define DRIVER_DESC "Empia em28xx device driver" #include <linux/workqueue.h> #include <linux/i2c.h> #include <linux/mutex.h> #include <linux/kref.h> #include <linux/videodev2.h> #include <media/videobuf2-v4l2.h> #include <media/videobuf2-vmalloc.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fh.h> #include <media/i2c/ir-kbd-i2c.h> #include <media/rc-core.h> #include "xc2028.h" #include "xc5000.h" #include "em28xx-reg.h" /* Boards supported by driver */ #define EM2800_BOARD_UNKNOWN 0 #define EM2820_BOARD_UNKNOWN 1 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 #define EM2820_BOARD_PINNACLE_USB_2 3 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 #define EM2820_BOARD_MSI_VOX_USB_2 5 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 #define EM2800_BOARD_KWORLD_USB2800 8 #define EM2820_BOARD_PINNACLE_DVC_90 9 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 #define EM2800_BOARD_VGEAR_POCKETTV 15 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 #define EM2800_BOARD_GRABBEEX_USB2800 21 #define EM2750_BOARD_UNKNOWN 22 #define EM2750_BOARD_DLCW_130 23 #define EM2820_BOARD_DLINK_USB_TV 24 #define EM2820_BOARD_GADMEI_UTV310 25 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 #define EM2821_BOARD_USBGEAR_VD204 31 #define EM2821_BOARD_SUPERCOMP_USB_2 32 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 #define EM2860_BOARD_NETGMBH_CAM 36 #define EM2860_BOARD_GADMEI_UTV330 37 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 #define EM2870_BOARD_KWORLD_350U 41 #define EM2870_BOARD_KWORLD_355U 42 #define EM2870_BOARD_TERRATEC_XS 43 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 #define EM2880_BOARD_KWORLD_DVB_305U 47 #define EM2880_BOARD_KWORLD_DVB_310U 48 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 #define EM2881_BOARD_DNT_DA2_HYBRID 52 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 #define EM2882_BOARD_KWORLD_VS_DVBT 54 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 #define EM2874_BOARD_PCTV_HD_MINI_80E 59 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 #define EM2820_BOARD_GADMEI_TVR200 62 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 #define EM2860_BOARD_EASYCAP 64 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 #define EM2860_BOARD_TERRATEC_GRABBY 67 #define EM2860_BOARD_TERRATEC_AV350 68 #define EM2882_BOARD_KWORLD_ATSC_315U 69 #define EM2882_BOARD_EVGA_INDTUBE 70 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 #define EM2800_BOARD_VC211A 74 #define EM2882_BOARD_DIKOM_DK300 75 #define EM2870_BOARD_KWORLD_A340 76 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 #define EM28174_BOARD_PCTV_290E 78 #define EM2884_BOARD_TERRATEC_H5 79 #define EM28174_BOARD_PCTV_460E 80 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 #define EM2884_BOARD_CINERGY_HTC_STICK 82 #define EM2860_BOARD_HT_VIDBOX_NW03 83 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 #define EM2884_BOARD_PCTV_510E 85 #define EM2884_BOARD_PCTV_520E 86 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 #define EM2874_BOARD_DELOCK_61959 89 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 #define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 #define EM28178_BOARD_PCTV_461E 92 #define EM2874_BOARD_KWORLD_UB435Q_V3 93 #define EM28178_BOARD_PCTV_292E 94 #define EM2861_BOARD_LEADTEK_VC100 95 #define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 #define EM28178_BOARD_PLEX_PX_BCUD 98 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 #define EM2884_BOARD_TERRATEC_H6 101 #define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 #define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103 #define EM28178_BOARD_PCTV_461E_V2 104 #define EM2860_BOARD_MYGICA_IGRABBER 105 #define EM2874_BOARD_HAUPPAUGE_USB_QUADHD 106 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 #define EM28XX_DEF_BUF 8 /*Limits the max URB message size */ #define URB_MAX_CTRL_SIZE 80 /* Params for validated field */ #define EM28XX_BOARD_NOT_VALIDATED 1 #define EM28XX_BOARD_VALIDATED 0 /* Params for em28xx_cmd() audio */ #define EM28XX_START_AUDIO 1 #define EM28XX_STOP_AUDIO 0 /* maximum number of em28xx boards */ #define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ /* maximum number of frames that can be queued */ #define EM28XX_NUM_FRAMES 5 /* number of frames that get used for v4l2_read() */ #define EM28XX_NUM_READ_FRAMES 2 /* number of buffers for isoc transfers */ #define EM28XX_NUM_BUFS 5 #define EM28XX_DVB_NUM_BUFS 5 /* max number of I2C buses on em28xx devices */ #define NUM_I2C_BUSES 2 /* * isoc transfers: number of packets for each buffer * windows requests only 64 packets .. so we better do the same * this is what I found out for all alternate numbers there! */ #define EM28XX_NUM_ISOC_PACKETS 64 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 /* * bulk transfers: transfer buffer size = packet size * packet multiplier * USB 2.0 spec says bulk packet size is always 512 bytes */ #define EM28XX_BULK_PACKET_MULTIPLIER 384 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 #define EM28XX_INTERLACED_DEFAULT 1 /* time in msecs to wait for AC97 xfers to finish */ #define EM28XX_AC97_XFER_TIMEOUT 100 /* max. number of button state polling addresses */ #define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 #define PRIMARY_TS 0 #define SECONDARY_TS 1 enum em28xx_mode { EM28XX_SUSPEND, EM28XX_ANALOG_MODE, EM28XX_DIGITAL_MODE, }; struct em28xx; /** * struct em28xx_usb_bufs - Contains URB-related buffer data * * @max_pkt_size: max packet size of isoc transaction * @num_packets: number of packets in each buffer * @num_bufs: number of allocated urb * @urb: urb for isoc/bulk transfers * @buf: transfer buffers for isoc/bulk transfer */ struct em28xx_usb_bufs { int max_pkt_size; int num_packets; int num_bufs; struct urb **urb; char **buf; }; /** * struct em28xx_usb_ctl - Contains URB-related buffer data * * @analog_bufs: isoc/bulk transfer buffers for analog mode * @digital_bufs: isoc/bulk transfer buffers for digital mode * @vid_buf: Stores already requested video buffers * @vbi_buf: Stores already requested VBI buffers * @urb_data_copy: copy data from URB */ struct em28xx_usb_ctl { struct em28xx_usb_bufs analog_bufs; struct em28xx_usb_bufs digital_bufs; struct em28xx_buffer *vid_buf; struct em28xx_buffer *vbi_buf; int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); }; /** * struct em28xx_fmt - Struct to enumberate video formats * * @fourcc: v4l2 format id * @depth: mean number of bits to represent a pixel * @reg: em28xx register value to set it */ struct em28xx_fmt { u32 fourcc; int depth; int reg; }; /** * struct em28xx_buffer- buffer for storing one video frame * * @vb: common v4l buffer stuff * @list: List to associate it with the other buffers * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() * @length: length of the buffer, as returned by vb2_plane_size() * @top_field: If non-zero, indicate that the buffer is the top field * @pos: Indicate the next position of the buffer to be filled. * @vb_buf: pointer to vmalloc memory address in vb * * .. note:: * * in interlaced mode, @pos is reset to zero at the start of each new * field (not frame !) */ struct em28xx_buffer { struct vb2_v4l2_buffer vb; /* must be first */ struct list_head list; void *mem; unsigned int length; int top_field; unsigned int pos; char *vb_buf; }; struct em28xx_dmaqueue { struct list_head active; wait_queue_head_t wq; }; /* inputs */ #define MAX_EM28XX_INPUT 4 enum enum28xx_itype { EM28XX_VMUX_COMPOSITE = 1, EM28XX_VMUX_SVIDEO, EM28XX_VMUX_TELEVISION, EM28XX_RADIO, }; enum em28xx_ac97_mode { EM28XX_NO_AC97 = 0, EM28XX_AC97_EM202, EM28XX_AC97_SIGMATEL, EM28XX_AC97_OTHER, }; struct em28xx_audio_mode { enum em28xx_ac97_mode ac97; }; enum em28xx_int_audio_type { EM28XX_INT_AUDIO_NONE = 0, EM28XX_INT_AUDIO_AC97, EM28XX_INT_AUDIO_I2S, }; enum em28xx_usb_audio_type { EM28XX_USB_AUDIO_NONE = 0, EM28XX_USB_AUDIO_CLASS, EM28XX_USB_AUDIO_VENDOR, }; /** * enum em28xx_amux - describes the type of audio input used by em28xx * * @EM28XX_AMUX_UNUSED: * Used only on em28xx dev->map field, in order to mark an entry * as unused. * @EM28XX_AMUX_VIDEO: * On devices without AC97, this is the only value that it is currently * allowed. * On devices with AC97, it corresponds to the AC97 mixer "Video" control. * @EM28XX_AMUX_LINE_IN: * Only for devices with AC97. Corresponds to AC97 mixer "Line In". * @EM28XX_AMUX_VIDEO2: * Only for devices with AC97. It means that em28xx should use "Line In" * And AC97 should use the "Video" mixer control. * @EM28XX_AMUX_PHONE: * Only for devices with AC97. Corresponds to AC97 mixer "Phone". * @EM28XX_AMUX_MIC: * Only for devices with AC97. Corresponds to AC97 mixer "Mic". * @EM28XX_AMUX_CD: * Only for devices with AC97. Corresponds to AC97 mixer "CD". * @EM28XX_AMUX_AUX: * Only for devices with AC97. Corresponds to AC97 mixer "Aux". * @EM28XX_AMUX_PCM_OUT: * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". * * The em28xx chip itself has only two audio inputs: tuner and line in. * On almost all devices, only the tuner input is used. * * However, on most devices, an auxiliary AC97 codec device is used, * usually connected to the em28xx tuner input (except for * @EM28XX_AMUX_LINE_IN). * * The AC97 device typically have several different inputs and outputs. * The exact number and description depends on their model. * * It is possible to AC97 to mixer more than one different entries at the * same time, via the alsa mux. */ enum em28xx_amux { EM28XX_AMUX_UNUSED = -1, EM28XX_AMUX_VIDEO = 0, EM28XX_AMUX_LINE_IN, /* Some less-common mixer setups */ EM28XX_AMUX_VIDEO2, EM28XX_AMUX_PHONE, EM28XX_AMUX_MIC, EM28XX_AMUX_CD, EM28XX_AMUX_AUX, EM28XX_AMUX_PCM_OUT, }; enum em28xx_aout { /* AC97 outputs */ EM28XX_AOUT_MASTER = BIT(0), EM28XX_AOUT_LINE = BIT(1), EM28XX_AOUT_MONO = BIT(2), EM28XX_AOUT_LFE = BIT(3), EM28XX_AOUT_SURR = BIT(4), /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ EM28XX_AOUT_PCM_IN = BIT(7), /* Bits 10-8 are used to indicate the PCM IN record select */ EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, EM28XX_AOUT_PCM_CD = 1 << 8, EM28XX_AOUT_PCM_VIDEO = 2 << 8, EM28XX_AOUT_PCM_AUX = 3 << 8, EM28XX_AOUT_PCM_LINE = 4 << 8, EM28XX_AOUT_PCM_STEREO = 5 << 8, EM28XX_AOUT_PCM_MONO = 6 << 8, EM28XX_AOUT_PCM_PHONE = 7 << 8, }; static inline int ac97_return_record_select(int a_out) { return (a_out & 0x700) >> 8; } struct em28xx_reg_seq { int reg; unsigned char val, mask; int sleep; }; struct em28xx_input { enum enum28xx_itype type; unsigned int vmux; enum em28xx_amux amux; enum em28xx_aout aout; const struct em28xx_reg_seq *gpio; }; #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) enum em28xx_decoder { EM28XX_NODECODER = 0, EM28XX_TVP5150, EM28XX_SAA711X, }; enum em28xx_sensor { EM28XX_NOSENSOR = 0, EM28XX_MT9V011, EM28XX_MT9M001, EM28XX_MT9M111, EM28XX_OV2640, }; enum em28xx_adecoder { EM28XX_NOADECODER = 0, EM28XX_TVAUDIO, }; enum em28xx_led_role { EM28XX_LED_ANALOG_CAPTURING = 0, EM28XX_LED_DIGITAL_CAPTURING, EM28XX_LED_DIGITAL_CAPTURING_TS2, EM28XX_LED_ILLUMINATION, EM28XX_NUM_LED_ROLES, /* must be the last */ }; struct em28xx_led { enum em28xx_led_role role; u8 gpio_reg; u8 gpio_mask; bool inverted; }; enum em28xx_button_role { EM28XX_BUTTON_SNAPSHOT = 0, EM28XX_BUTTON_ILLUMINATION, EM28XX_NUM_BUTTON_ROLES, /* must be the last */ }; struct em28xx_button { enum em28xx_button_role role; u8 reg_r; u8 reg_clearing; u8 mask; bool inverted; }; struct em28xx_board { char *name; int vchannels; int tuner_type; int tuner_addr; unsigned int def_i2c_bus; /* Default I2C bus */ /* i2c flags */ unsigned int tda9887_conf; /* GPIO sequences */ const struct em28xx_reg_seq *dvb_gpio; const struct em28xx_reg_seq *suspend_gpio; const struct em28xx_reg_seq *tuner_gpio; const 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 has_dual_ts: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 */ const 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 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; /* Protects vb_vidq */ struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ 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 int hscale; /* horizontal scale factor (see datasheet) */ unsigned int 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 int 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; /* Protects struct em28xx_audio */ /* Controls streaming */ struct work_struct wq_trigger; /* trigger to start/stop audio */ atomic_t stream_started; /* stream should be running if true */ }; 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 int 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 int disconnected:1; // device has been disconnected unsigned int has_video:1; unsigned int is_audio_only:1; unsigned int is_webcam:1; unsigned int has_msp34xx:1; unsigned int i2c_speed:2; enum em28xx_int_audio_type int_audio_type; enum em28xx_usb_audio_type usb_audio_type; unsigned char name[32]; 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 int def_i2c_bus; // Default I2C bus unsigned int 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 enum em28xx_amux amux_map[MAX_EM28XX_INPUT]; 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; /* protects em28xx struct */ 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; /* Protects em28xx video/vbi/dvb IRQ stream data */ // 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_ts2; // address of isoc endpoint for DVB TS2 u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 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_max_pkt_size_isoc_ts2; // 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 struct em28xx *dev_next; int ts; }; #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 *dev); int (*fini)(struct em28xx *dev); int (*suspend)(struct em28xx *dev); int (*resume)(struct em28xx *dev); }; /* Provided by em28xx-i2c.c */ void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, enum em28xx_i2c_algo_type algo_type); int em28xx_i2c_unregister(struct em28xx *dev, unsigned int 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, const 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 const 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
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