| /* |
| 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@infradead.org> |
| Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> |
| |
| Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef _EM28XX_H |
| #define _EM28XX_H |
| |
| #include <linux/workqueue.h> |
| #include <linux/i2c.h> |
| #include <linux/mutex.h> |
| #include <linux/videodev2.h> |
| |
| #include <media/videobuf2-vmalloc.h> |
| #include <media/v4l2-device.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-fh.h> |
| #include <media/ir-kbd-i2c.h> |
| #include <media/rc-core.h> |
| #include "tuner-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 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 |
| |
| /* 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 4 /*FIXME: should be bigger */ |
| |
| /* 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 384 |
| |
| #define EM28XX_INTERLACED_DEFAULT 1 |
| |
| /* time in msecs to wait for i2c writes to finish */ |
| #define EM2800_I2C_XFER_TIMEOUT 20 |
| |
| enum em28xx_mode { |
| EM28XX_SUSPEND, |
| EM28XX_ANALOG_MODE, |
| EM28XX_DIGITAL_MODE, |
| }; |
| |
| |
| struct em28xx; |
| |
| struct em28xx_usb_bufs { |
| /* max packet size of isoc transaction */ |
| int max_pkt_size; |
| |
| /* number of packets in each buffer */ |
| int num_packets; |
| |
| /* number of allocated urbs */ |
| int num_bufs; |
| |
| /* urb for isoc/bulk transfers */ |
| struct urb **urb; |
| |
| /* transfer buffers for isoc/bulk transfer */ |
| char **transfer_buffer; |
| }; |
| |
| struct em28xx_usb_ctl { |
| /* isoc/bulk transfer buffers for analog mode */ |
| struct em28xx_usb_bufs analog_bufs; |
| |
| /* isoc/bulk transfer buffers for digital mode */ |
| struct em28xx_usb_bufs digital_bufs; |
| |
| /* Stores already requested buffers */ |
| struct em28xx_buffer *vid_buf; |
| struct em28xx_buffer *vbi_buf; |
| |
| /* copy data from URB */ |
| int (*urb_data_copy) (struct em28xx *dev, struct urb *urb); |
| |
| }; |
| |
| /* Struct to enumberate video formats */ |
| struct em28xx_fmt { |
| char *name; |
| u32 fourcc; /* v4l2 format id */ |
| int depth; |
| int reg; |
| }; |
| |
| /* buffer for one video frame */ |
| struct em28xx_buffer { |
| /* common v4l buffer stuff -- must be first */ |
| struct vb2_buffer vb; |
| struct list_head list; |
| |
| void *mem; |
| unsigned int length; |
| int top_field; |
| |
| /* counter to control buffer fill */ |
| unsigned int pos; |
| /* NOTE; in interlaced mode, this value is reset to zero at |
| * the start of each new field (not frame !) */ |
| |
| /* pointer to vmalloc memory address in vb */ |
| 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_COMPOSITE1 = 1, |
| EM28XX_VMUX_COMPOSITE2, |
| EM28XX_VMUX_COMPOSITE3, |
| EM28XX_VMUX_COMPOSITE4, |
| EM28XX_VMUX_SVIDEO, |
| EM28XX_VMUX_TELEVISION, |
| EM28XX_VMUX_CABLE, |
| EM28XX_VMUX_DVB, |
| EM28XX_VMUX_DEBUG, |
| 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; |
| |
| u16 ac97_feat; |
| u32 ac97_vendor_id; |
| |
| unsigned int has_audio:1; |
| |
| unsigned int i2s_3rates:1; |
| unsigned int i2s_5rates:1; |
| }; |
| |
| /* em28xx has two audio inputs: tuner and line in. |
| However, on most devices, an auxiliary AC97 codec device is used. |
| The AC97 device may have several different inputs and outputs, |
| depending on their model. So, it is possible to use AC97 mixer to |
| address more than two different entries. |
| */ |
| enum em28xx_amux { |
| /* This is the only entry for em28xx tuner input */ |
| EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */ |
| |
| EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */ |
| |
| /* Some less-common mixer setups */ |
| EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */ |
| EM28XX_AMUX_PHONE, |
| EM28XX_AMUX_MIC, |
| EM28XX_AMUX_CD, |
| EM28XX_AMUX_AUX, |
| EM28XX_AMUX_PCM_OUT, |
| }; |
| |
| enum em28xx_aout { |
| /* AC97 outputs */ |
| EM28XX_AOUT_MASTER = 1 << 0, |
| EM28XX_AOUT_LINE = 1 << 1, |
| EM28XX_AOUT_MONO = 1 << 2, |
| EM28XX_AOUT_LFE = 1 << 3, |
| EM28XX_AOUT_SURR = 1 << 4, |
| |
| /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ |
| EM28XX_AOUT_PCM_IN = 1 << 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; |
| 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, |
| }; |
| |
| enum em28xx_adecoder { |
| EM28XX_NOADECODER = 0, |
| EM28XX_TVAUDIO, |
| }; |
| |
| struct em28xx_board { |
| char *name; |
| int vchannels; |
| int tuner_type; |
| int tuner_addr; |
| unsigned def_i2c_bus; /* Default I2C bus */ |
| |
| /* i2c flags */ |
| unsigned int tda9887_conf; |
| |
| /* GPIO sequences */ |
| 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 has_snapshot_button: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; |
| }; |
| |
| 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_AUDIO_BUFS 5 |
| #define EM28XX_NUM_AUDIO_PACKETS 64 |
| #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */ |
| #define EM28XX_CAPTURE_STREAM_EN 1 |
| |
| /* em28xx extensions */ |
| #define EM28XX_AUDIO 0x10 |
| #define EM28XX_DVB 0x20 |
| #define EM28XX_RC 0x30 |
| |
| /* em28xx resource types (used for res_get/res_lock etc */ |
| #define EM28XX_RESOURCE_VIDEO 0x01 |
| #define EM28XX_RESOURCE_VBI 0x02 |
| |
| struct em28xx_audio { |
| char name[50]; |
| char *transfer_buffer[EM28XX_AUDIO_BUFS]; |
| struct urb *urb[EM28XX_AUDIO_BUFS]; |
| 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; |
| |
| int users; |
| spinlock_t slock; |
| }; |
| |
| struct em28xx; |
| |
| struct em28xx_fh { |
| struct v4l2_fh fh; |
| struct em28xx *dev; |
| |
| enum v4l2_buf_type type; |
| }; |
| |
| struct em28xx_i2c_bus { |
| struct em28xx *dev; |
| |
| unsigned bus; |
| }; |
| |
| |
| /* main device struct */ |
| struct em28xx { |
| /* generic device properties */ |
| char name[30]; /* name (including minor) of the device */ |
| int model; /* index in the device_data struct */ |
| int devno; /* marks the number of this device */ |
| enum em28xx_chip_id chip_id; |
| |
| unsigned char disconnected:1; /* device has been diconnected */ |
| |
| int audio_ifnum; |
| |
| struct v4l2_device v4l2_dev; |
| struct v4l2_ctrl_handler ctrl_handler; |
| struct em28xx_board board; |
| |
| /* Webcam specific fields */ |
| enum em28xx_sensor em28xx_sensor; |
| int sensor_xres, sensor_yres; |
| int sensor_xtal; |
| |
| /* Progressive (non-interlaced) mode */ |
| int progressive; |
| |
| /* Vinmode/Vinctl used at the driver */ |
| int vinmode, vinctl; |
| |
| unsigned int has_audio_class:1; |
| unsigned int has_alsa_audio:1; |
| unsigned int is_audio_only:1; |
| |
| /* Controls audio streaming */ |
| struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ |
| atomic_t stream_started; /* stream should be running if true */ |
| |
| struct em28xx_fmt *format; |
| |
| struct em28xx_IR *ir; |
| |
| /* 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 */ |
| int tuner_addr; /* tuner address */ |
| int tda9887_conf; |
| |
| /* 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 */ |
| int users; /* user count for exclusive use */ |
| int streaming_users; /* Number of actively streaming users */ |
| struct video_device *vdev; /* video for linux device struct */ |
| v4l2_std_id norm; /* selected tv norm */ |
| int ctl_freq; /* selected frequency */ |
| unsigned int ctl_input; /* selected input */ |
| unsigned int ctl_ainput;/* selected audio input */ |
| unsigned int ctl_aoutput;/* selected audio output */ |
| int mute; |
| int volume; |
| /* 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) */ |
| int interlaced; /* 1=interlace fileds, 0=just top fileds */ |
| unsigned int video_bytesread; /* Number of bytes read */ |
| |
| unsigned long hash; /* eeprom hash - for boards with generic ID */ |
| unsigned long i2c_hash; /* i2c devicelist hash - |
| for boards with generic ID */ |
| |
| struct em28xx_audio adev; |
| |
| /* capture state tracking */ |
| int capture_type; |
| unsigned char top_field:1; |
| int vbi_read; |
| unsigned int vbi_width; |
| unsigned int vbi_height; /* lines per field */ |
| |
| struct work_struct request_module_wk; |
| |
| /* locks */ |
| struct mutex lock; |
| struct mutex ctrl_urb_lock; /* protects urb_buf */ |
| /* spinlock_t queue_lock; */ |
| struct list_head inqueue, outqueue; |
| 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; |
| |
| /* 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; |
| |
| unsigned int field_count; |
| unsigned int vbi_field_count; |
| |
| /* usb transfer */ |
| struct usb_device *udev; /* the usb device */ |
| 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; |
| |
| /* register numbers for GPO/GPIO registers */ |
| u16 reg_gpo_num, reg_gpio_num; |
| |
| /* Caches GPO and GPIO registers */ |
| unsigned char reg_gpo, reg_gpio; |
| |
| /* Snapshot button */ |
| char snapshot_button_path[30]; /* path of the input dev */ |
| struct input_dev *sbutton_input_dev; |
| struct delayed_work sbutton_query_work; |
| |
| struct em28xx_dvb *dvb; |
| }; |
| |
| struct em28xx_ops { |
| struct list_head next; |
| char *name; |
| int id; |
| int (*init)(struct em28xx *); |
| int (*fini)(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); |
| 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_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); |
| |
| int em28xx_colorlevels_set_default(struct em28xx *dev); |
| int em28xx_capture_start(struct em28xx *dev, int start); |
| int em28xx_vbi_supported(struct em28xx *dev); |
| int em28xx_set_outfmt(struct em28xx *dev); |
| int em28xx_resolution_set(struct em28xx *dev); |
| int em28xx_set_alternate(struct em28xx *dev); |
| 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); |
| void em28xx_wake_i2c(struct em28xx *dev); |
| 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); |
| |
| /* Provided by em28xx-video.c */ |
| int em28xx_vb2_setup(struct em28xx *dev); |
| int em28xx_register_analog_devices(struct em28xx *dev); |
| void em28xx_release_analog_resources(struct em28xx *dev); |
| void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv); |
| int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); |
| int em28xx_stop_vbi_streaming(struct vb2_queue *vq); |
| extern const struct v4l2_ctrl_ops em28xx_ctrl_ops; |
| |
| /* 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_release_resources(struct em28xx *dev); |
| |
| /* Provided by em28xx-vbi.c */ |
| extern struct vb2_ops em28xx_vbi_qops; |
| |
| /* printk macros */ |
| |
| #define em28xx_err(fmt, arg...) do {\ |
| printk(KERN_ERR fmt , ##arg); } while (0) |
| |
| #define em28xx_errdev(fmt, arg...) do {\ |
| printk(KERN_ERR "%s: "fmt,\ |
| dev->name , ##arg); } while (0) |
| |
| #define em28xx_info(fmt, arg...) do {\ |
| printk(KERN_INFO "%s: "fmt,\ |
| dev->name , ##arg); } while (0) |
| #define em28xx_warn(fmt, arg...) do {\ |
| printk(KERN_WARNING "%s: "fmt,\ |
| dev->name , ##arg); } while (0) |
| |
| static inline int em28xx_compression_disable(struct em28xx *dev) |
| { |
| /* side effect of disabling scaler and mixer */ |
| return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00); |
| } |
| |
| /*FIXME: maxw should be dependent of alt mode */ |
| static inline unsigned int norm_maxw(struct em28xx *dev) |
| { |
| if (dev->board.is_webcam) |
| return dev->sensor_xres; |
| |
| if (dev->board.max_range_640_480) |
| return 640; |
| |
| return 720; |
| } |
| |
| static inline unsigned int norm_maxh(struct em28xx *dev) |
| { |
| if (dev->board.is_webcam) |
| return dev->sensor_yres; |
| |
| if (dev->board.max_range_640_480) |
| return 480; |
| |
| return (dev->norm & V4L2_STD_625_50) ? 576 : 480; |
| } |
| #endif |