diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx.h')
-rw-r--r-- | drivers/media/usb/em28xx/em28xx.h | 774 |
1 files changed, 774 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h new file mode 100644 index 0000000..a9323b6 --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx.h @@ -0,0 +1,774 @@ +/* + 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 +#define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 + +/* 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, + EM28XX_OV2640, +}; + +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; +}; + +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 { + /* 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 int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */ + + 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, + 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_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; + +/* Provided by em28xx-camera.c */ +int em28xx_detect_sensor(struct em28xx *dev); +int em28xx_init_camera(struct em28xx *dev); + +/* 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 |