/* dvb-usb.h is part of the DVB USB library. * * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) * see dvb-usb-init.c for copyright information. * * the headerfile, all dvb-usb-drivers have to include. */ #ifndef __DVB_USB_H__ #define __DVB_USB_H__ #include #include #include #include #include #include "dvb_frontend.h" #include "dvb_demux.h" #include "dvb_net.h" #include "dmxdev.h" #include "dvb-pll.h" #include "dvb-usb-ids.h" /* debug */ #ifdef CONFIG_DVB_USB_DEBUG #define dprintk(var,level,args...) \ do { if ((var & level)) { printk(args); } } while (0) #define debug_dump(b,l,func) {\ int loop_; \ for (loop_ = 0; loop_ < l; loop_++) func("%02x ", b[loop_]); \ func("\n");\ } #define DVB_USB_DEBUG_STATUS #else #define dprintk(args...) #define debug_dump(b,l,func) #define DVB_USB_DEBUG_STATUS " (debugging is not enabled)" #endif /* generic log methods - taken from usb.h */ #ifndef DVB_USB_LOG_PREFIX #define DVB_USB_LOG_PREFIX "dvb-usb (please define a log prefix)" #endif #undef err #define err(format, arg...) printk(KERN_ERR DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) #undef info #define info(format, arg...) printk(KERN_INFO DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) #undef warn #define warn(format, arg...) printk(KERN_WARNING DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) /** * struct dvb_usb_device_description - name and its according USB IDs * @name: real name of the box, regardless which DVB USB device class is in use * @cold_ids: array of struct usb_device_id which describe the device in * pre-firmware state * @warm_ids: array of struct usb_device_id which describe the device in * post-firmware state * * Each DVB USB device class can have one or more actual devices, this struct * assigns a name to it. */ struct dvb_usb_device_description { const char *name; #define DVB_USB_ID_MAX_NUM 15 struct usb_device_id *cold_ids[DVB_USB_ID_MAX_NUM]; struct usb_device_id *warm_ids[DVB_USB_ID_MAX_NUM]; }; /** * struct dvb_usb_rc_key - a remote control key and its input-event * @custom: the vendor/custom part of the key * @data: the actual key part * @event: the input event assigned to key identified by custom and data */ struct dvb_usb_rc_key { u8 custom,data; u32 event; }; struct dvb_usb_device; /** * struct dvb_usb_properties - properties of a dvb-usb-device * @caps: capabilites of the DVB USB device. * @pid_filter_count: number of PID filter position in the optional hardware * PID-filter. * * @usb_ctrl: which USB device-side controller is in use. Needed for firmware * download. * @firmware: name of the firmware file. * @download_firmware: called to download the firmware when the usb_ctrl is * DEVICE_SPECIFIC. * @no_reconnect: device doesn't do a reconnect after downloading the firmware, so do the warm initialization right after it * @size_of_priv: how many bytes shall be allocated for the private field * of struct dvb_usb_device. * * @power_ctrl: called to enable/disable power of the device. * @streaming_crtl: called to start and stop the MPEG2-TS streaming of the * device (not URB submitting/killing). * @pid_filter_ctrl: called to en/disable the PID filter, if any. * @pid_filter: called to set/unset a PID for filtering. * * @read_mac_address: called to read the MAC address of the device. * * @frontend_attach: called to attach the possible frontends (fill fe-field * of struct dvb_usb_device). * @tuner_attach: called to attach the correct tuner and to fill pll_addr, * pll_desc and pll_init_buf of struct dvb_usb_device). * @identify_state: called to determine the state (cold or warm), when it * is not distinguishable by the USB IDs. * * @rc_key_map: a hard-wired array of struct dvb_usb_rc_key (NULL to disable * remote control handling). * @rc_key_map_size: number of items in @rc_key_map. * @rc_query: called to query an event event. * @rc_interval: time in ms between two queries. * * @i2c_algo: i2c_algorithm if the device has I2CoverUSB. * * @generic_bulk_ctrl_endpoint: most of the DVB USB devices have a generic * endpoint which received control messages with bulk transfers. When this * is non-zero, one can use dvb_usb_generic_rw and dvb_usb_generic_write- * helper functions. * * @urb: describes the kind of USB transfer used for MPEG2-TS-streaming. * (BULK or ISOC) * * @num_device_descs: number of struct dvb_usb_device_description in @devices * @devices: array of struct dvb_usb_device_description compatibles with these * properties. */ struct dvb_usb_properties { #define DVB_USB_HAS_PID_FILTER 0x01 #define DVB_USB_PID_FILTER_CAN_BE_TURNED_OFF 0x02 #define DVB_USB_NEED_PID_FILTERING 0x04 #define DVB_USB_IS_AN_I2C_ADAPTER 0x08 int caps; int pid_filter_count; #define DEVICE_SPECIFIC 0 #define CYPRESS_AN2135 1 #define CYPRESS_AN2235 2 #define CYPRESS_FX2 3 int usb_ctrl; const char firmware[FIRMWARE_NAME_MAX]; int (*download_firmware) (struct usb_device *, const struct firmware *); int no_reconnect; int size_of_priv; int (*power_ctrl) (struct dvb_usb_device *, int); int (*streaming_ctrl) (struct dvb_usb_device *, int); int (*pid_filter_ctrl) (struct dvb_usb_device *, int); int (*pid_filter) (struct dvb_usb_device *, int, u16, int); int (*read_mac_address) (struct dvb_usb_device *, u8 []); int (*frontend_attach) (struct dvb_usb_device *); int (*tuner_attach) (struct dvb_usb_device *); int (*identify_state) (struct usb_device *, struct dvb_usb_properties *, struct dvb_usb_device_description **, int *); /* remote control properties */ #define REMOTE_NO_KEY_PRESSED 0x00 #define REMOTE_KEY_PRESSED 0x01 #define REMOTE_KEY_REPEAT 0x02 struct dvb_usb_rc_key *rc_key_map; int rc_key_map_size; int (*rc_query) (struct dvb_usb_device *, u32 *, int *); int rc_interval; struct i2c_algorithm *i2c_algo; int generic_bulk_ctrl_endpoint; struct { #define DVB_USB_BULK 1 #define DVB_USB_ISOC 2 int type; int count; int endpoint; union { struct { int buffersize; /* per URB */ } bulk; struct { int framesperurb; int framesize; int interval; } isoc; } u; } urb; int num_device_descs; struct dvb_usb_device_description devices[9]; }; /** * struct dvb_usb_device - object of a DVB USB device * @props: copy of the struct dvb_usb_properties this device belongs to. * @desc: pointer to the device's struct dvb_usb_device_description. * @state: initialization and runtime state of the device. * * @udev: pointer to the device's struct usb_device. * @urb_list: array of dynamically allocated struct urb for the MPEG2-TS- * streaming. * * @buf_num: number of buffer allocated. * @buf_size: size of each buffer in buf_list. * @buf_list: array containing all allocate buffers for streaming. * @dma_addr: list of dma_addr_t for each buffer in buf_list. * * @urbs_initialized: number of URBs initialized. * @urbs_submitted: number of URBs submitted. * * @feedcount: number of reqested feeds (used for streaming-activation) * @pid_filtering: is hardware pid_filtering used or not. * * @usb_sem: semaphore of USB control messages (reading needs two messages) * @i2c_sem: semaphore for i2c-transfers * * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB * @pll_addr: I2C address of the tuner for programming * @pll_init: array containing the initialization buffer * @pll_desc: pointer to the appropriate struct dvb_pll_desc * * @tuner_pass_ctrl: called to (de)activate tuner passthru of the demod or the board * * @dvb_adap: device's dvb_adapter. * @dmxdev: device's dmxdev. * @demux: device's software demuxer. * @dvb_net: device's dvb_net interfaces. * @dvb_frontend: device's frontend. * @max_feed_count: how many feeds can be handled simultaneously by this * device * @fe_sleep: rerouted frontend-sleep function. * @fe_init: rerouted frontend-init (wakeup) function. * @rc_input_dev: input device for the remote control. * @rc_query_work: struct work_struct frequent rc queries * @last_event: last triggered event * @last_state: last state (no, pressed, repeat) * @owner: owner of the dvb_adapter * @priv: private data of the actual driver (allocate by dvb-usb, size defined * in size_of_priv of dvb_usb_properties). */ struct dvb_usb_device { struct dvb_usb_properties props; struct dvb_usb_device_description *desc; #define DVB_USB_STATE_INIT 0x000 #define DVB_USB_STATE_URB_LIST 0x001 #define DVB_USB_STATE_URB_BUF 0x002 #define DVB_USB_STATE_DVB 0x004 #define DVB_USB_STATE_I2C 0x008 #define DVB_USB_STATE_REMOTE 0x010 #define DVB_USB_STATE_URB_SUBMIT 0x020 int state; /* usb */ struct usb_device *udev; struct urb **urb_list; int buf_num; unsigned long buf_size; u8 **buf_list; dma_addr_t *dma_addr; int urbs_initialized; int urbs_submitted; int feedcount; int pid_filtering; /* locking */ struct semaphore usb_sem; /* i2c */ struct semaphore i2c_sem; struct i2c_adapter i2c_adap; /* tuner programming information */ u8 pll_addr; u8 pll_init[4]; struct dvb_pll_desc *pll_desc; int (*tuner_pass_ctrl)(struct dvb_frontend *, int, u8); /* dvb */ struct dvb_adapter dvb_adap; struct dmxdev dmxdev; struct dvb_demux demux; struct dvb_net dvb_net; struct dvb_frontend* fe; int max_feed_count; int (*fe_sleep) (struct dvb_frontend *); int (*fe_init) (struct dvb_frontend *); /* remote control */ struct input_dev *rc_input_dev; char rc_phys[64]; struct work_struct rc_query_work; u32 last_event; int last_state; struct module *owner; void *priv; }; extern int dvb_usb_device_init(struct usb_interface *, struct dvb_usb_properties *, struct module *, struct dvb_usb_device **); extern void dvb_usb_device_exit(struct usb_interface *); /* the generic read/write method for device control */ extern int dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16,int); extern int dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16); /* commonly used remote control parsing */ extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *); /* commonly used pll init and set functions */ extern int dvb_usb_pll_init_i2c(struct dvb_frontend *); extern int dvb_usb_pll_set(struct dvb_frontend *, struct dvb_frontend_parameters *, u8[]); extern int dvb_usb_pll_set_i2c(struct dvb_frontend *, struct dvb_frontend_parameters *); /* commonly used firmware download types and function */ struct hexline { u8 len; u32 addr; u8 type; u8 data[255]; u8 chk; }; extern int dvb_usb_get_hexline(const struct firmware *, struct hexline *, int *); #endif