mirror of https://gitee.com/openkylin/linux.git
407 lines
13 KiB
C
407 lines
13 KiB
C
/*
|
|
* DVB USB framework
|
|
*
|
|
* Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@desy.de>
|
|
* Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef DVB_USB_H
|
|
#define DVB_USB_H
|
|
|
|
#include <linux/usb/input.h>
|
|
#include <linux/firmware.h>
|
|
#include <media/rc-core.h>
|
|
|
|
#include "dvb_frontend.h"
|
|
#include "dvb_demux.h"
|
|
#include "dvb_net.h"
|
|
#include "dmxdev.h"
|
|
#include "dvb-usb-ids.h"
|
|
|
|
/*
|
|
* device file: /dev/dvb/adapter[0-1]/frontend[0-2]
|
|
*
|
|
* |-- device
|
|
* | |-- adapter0
|
|
* | | |-- frontend0
|
|
* | | |-- frontend1
|
|
* | | `-- frontend2
|
|
* | `-- adapter1
|
|
* | |-- frontend0
|
|
* | |-- frontend1
|
|
* | `-- frontend2
|
|
*
|
|
*
|
|
* Commonly used variable names:
|
|
* d = pointer to device (struct dvb_usb_device *)
|
|
* adap = pointer to adapter (struct dvb_usb_adapter *)
|
|
* fe = pointer to frontend (struct dvb_frontend *)
|
|
*
|
|
* Use macros defined in that file to resolve needed pointers.
|
|
*/
|
|
|
|
/* helper macros for every DVB USB driver use */
|
|
#define adap_to_d(adap) (container_of(adap, struct dvb_usb_device, \
|
|
adapter[adap->id]))
|
|
#define adap_to_priv(adap) (adap_to_d(adap)->priv)
|
|
#define fe_to_adap(fe) ((struct dvb_usb_adapter *) ((fe)->dvb->priv))
|
|
#define fe_to_d(fe) (adap_to_d(fe_to_adap(fe)))
|
|
#define fe_to_priv(fe) (fe_to_d(fe)->priv)
|
|
#define d_to_priv(d) (d->priv)
|
|
|
|
#define dvb_usb_dbg_usb_control_msg(udev, r, t, v, i, b, l) { \
|
|
char *direction; \
|
|
if (t == (USB_TYPE_VENDOR | USB_DIR_OUT)) \
|
|
direction = ">>>"; \
|
|
else \
|
|
direction = "<<<"; \
|
|
dev_dbg(&udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \
|
|
"%s %*ph\n", __func__, t, r, v & 0xff, v >> 8, \
|
|
i & 0xff, i >> 8, l & 0xff, l >> 8, direction, l, b); \
|
|
}
|
|
|
|
#define DVB_USB_STREAM_BULK(endpoint_, count_, size_) { \
|
|
.type = USB_BULK, \
|
|
.count = count_, \
|
|
.endpoint = endpoint_, \
|
|
.u = { \
|
|
.bulk = { \
|
|
.buffersize = size_, \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define DVB_USB_STREAM_ISOC(endpoint_, count_, frames_, size_, interval_) { \
|
|
.type = USB_ISOC, \
|
|
.count = count_, \
|
|
.endpoint = endpoint_, \
|
|
.u = { \
|
|
.isoc = { \
|
|
.framesperurb = frames_, \
|
|
.framesize = size_,\
|
|
.interval = interval_, \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define DVB_USB_DEVICE(vend, prod, props_, name_, rc) \
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
|
|
.idVendor = (vend), \
|
|
.idProduct = (prod), \
|
|
.driver_info = (kernel_ulong_t) &((const struct dvb_usb_driver_info) { \
|
|
.props = (props_), \
|
|
.name = (name_), \
|
|
.rc_map = (rc), \
|
|
})
|
|
|
|
struct dvb_usb_device;
|
|
struct dvb_usb_adapter;
|
|
|
|
/**
|
|
* structure for carrying all needed data from the device driver to the general
|
|
* dvb usb routines
|
|
* @name: device name
|
|
* @rc_map: name of rc codes table
|
|
* @props: structure containing all device properties
|
|
*/
|
|
struct dvb_usb_driver_info {
|
|
const char *name;
|
|
const char *rc_map;
|
|
const struct dvb_usb_device_properties *props;
|
|
};
|
|
|
|
/**
|
|
* structure for remote controller configuration
|
|
* @map_name: name of rc codes table
|
|
* @allowed_protos: protocol(s) supported by the driver
|
|
* @change_protocol: callback to change protocol
|
|
* @query: called to query an event from the device
|
|
* @interval: time in ms between two queries
|
|
* @driver_type: used to point if a device supports raw mode
|
|
* @bulk_mode: device supports bulk mode for rc (disable polling mode)
|
|
*/
|
|
struct dvb_usb_rc {
|
|
const char *map_name;
|
|
u64 allowed_protos;
|
|
int (*change_protocol)(struct rc_dev *dev, u64 *rc_type);
|
|
int (*query) (struct dvb_usb_device *d);
|
|
unsigned int interval;
|
|
enum rc_driver_type driver_type;
|
|
bool bulk_mode;
|
|
};
|
|
|
|
/**
|
|
* usb streaming configration for adapter
|
|
* @type: urb type
|
|
* @count: count of used urbs
|
|
* @endpoint: stream usb endpoint number
|
|
*/
|
|
struct usb_data_stream_properties {
|
|
#define USB_BULK 1
|
|
#define USB_ISOC 2
|
|
u8 type;
|
|
u8 count;
|
|
u8 endpoint;
|
|
|
|
union {
|
|
struct {
|
|
unsigned int buffersize; /* per URB */
|
|
} bulk;
|
|
struct {
|
|
int framesperurb;
|
|
int framesize;
|
|
int interval;
|
|
} isoc;
|
|
} u;
|
|
};
|
|
|
|
/**
|
|
* properties of dvb usb device adapter
|
|
* @caps: adapter capabilities
|
|
* @pid_filter_count: pid count of adapter pid-filter
|
|
* @pid_filter_ctrl: called to enable/disable pid-filter
|
|
* @pid_filter: called to set/unset pid for filtering
|
|
* @stream: adapter usb stream configuration
|
|
*/
|
|
#define MAX_NO_OF_FE_PER_ADAP 3
|
|
struct dvb_usb_adapter_properties {
|
|
#define DVB_USB_ADAP_HAS_PID_FILTER 0x01
|
|
#define DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF 0x02
|
|
#define DVB_USB_ADAP_NEED_PID_FILTERING 0x04
|
|
u8 caps;
|
|
|
|
u8 pid_filter_count;
|
|
int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int);
|
|
int (*pid_filter) (struct dvb_usb_adapter *, int, u16, int);
|
|
|
|
struct usb_data_stream_properties stream;
|
|
};
|
|
|
|
/**
|
|
* struct dvb_usb_device_properties - properties of a dvb-usb-device
|
|
* @driver_name: name of the owning driver module
|
|
* @owner: owner of the dvb_adapter
|
|
* @adapter_nr: values from the DVB_DEFINE_MOD_OPT_ADAPTER_NR() macro
|
|
* @bInterfaceNumber: usb interface number driver binds
|
|
* @size_of_priv: bytes allocated for the driver private data
|
|
* @generic_bulk_ctrl_endpoint: bulk control endpoint number for sent
|
|
* @generic_bulk_ctrl_endpoint_response: bulk control endpoint number for
|
|
* receive
|
|
* @generic_bulk_ctrl_delay: delay between bulk control sent and receive message
|
|
* @identify_state: called to determine the firmware state (cold or warm) and
|
|
* return possible firmware file name to be loaded
|
|
* @firmware: name of the firmware file to be loaded
|
|
* @download_firmware: called to download the firmware
|
|
* @i2c_algo: i2c_algorithm if the device has i2c-adapter
|
|
* @num_adapters: dvb usb device adapter count
|
|
* @get_adapter_count: called to resolve adapter count
|
|
* @adapter: array of all adapter properties of device
|
|
* @power_ctrl: called to enable/disable power of the device
|
|
* @read_config: called to resolve device configuration
|
|
* @read_mac_address: called to resolve adapter mac-address
|
|
* @frontend_attach: called to attach the possible frontends
|
|
* @tuner_attach: called to attach the possible tuners
|
|
* @frontend_ctrl: called to power on/off active frontend
|
|
* @streaming_ctrl: called to start/stop the usb streaming of adapter
|
|
* @init: called after adapters are created in order to finalize device
|
|
* configuration
|
|
* @exit: called when driver is unloaded
|
|
* @get_rc_config: called to resolve used remote controller configuration
|
|
* @get_stream_config: called to resolve input and output stream configuration
|
|
* of the adapter just before streaming is started. input stream is transport
|
|
* stream from the demodulator and output stream is usb stream to host.
|
|
*/
|
|
#define MAX_NO_OF_ADAPTER_PER_DEVICE 2
|
|
struct dvb_usb_device_properties {
|
|
const char *driver_name;
|
|
struct module *owner;
|
|
short *adapter_nr;
|
|
|
|
u8 bInterfaceNumber;
|
|
unsigned int size_of_priv;
|
|
u8 generic_bulk_ctrl_endpoint;
|
|
u8 generic_bulk_ctrl_endpoint_response;
|
|
unsigned int generic_bulk_ctrl_delay;
|
|
|
|
#define WARM 0
|
|
#define COLD 1
|
|
int (*identify_state) (struct dvb_usb_device *, const char **);
|
|
const char *firmware;
|
|
#define RECONNECTS_USB 1
|
|
int (*download_firmware) (struct dvb_usb_device *,
|
|
const struct firmware *);
|
|
|
|
struct i2c_algorithm *i2c_algo;
|
|
|
|
unsigned int num_adapters;
|
|
int (*get_adapter_count) (struct dvb_usb_device *);
|
|
struct dvb_usb_adapter_properties adapter[MAX_NO_OF_ADAPTER_PER_DEVICE];
|
|
int (*power_ctrl) (struct dvb_usb_device *, int);
|
|
int (*read_config) (struct dvb_usb_device *d);
|
|
int (*read_mac_address) (struct dvb_usb_adapter *, u8 []);
|
|
int (*frontend_attach) (struct dvb_usb_adapter *);
|
|
int (*tuner_attach) (struct dvb_usb_adapter *);
|
|
int (*frontend_ctrl) (struct dvb_frontend *, int);
|
|
int (*streaming_ctrl) (struct dvb_frontend *, int);
|
|
int (*init) (struct dvb_usb_device *);
|
|
void (*exit) (struct dvb_usb_device *);
|
|
int (*get_rc_config) (struct dvb_usb_device *, struct dvb_usb_rc *);
|
|
#define DVB_USB_FE_TS_TYPE_188 0
|
|
#define DVB_USB_FE_TS_TYPE_204 1
|
|
#define DVB_USB_FE_TS_TYPE_RAW 2
|
|
int (*get_stream_config) (struct dvb_frontend *, u8 *,
|
|
struct usb_data_stream_properties *);
|
|
};
|
|
|
|
/**
|
|
* generic object of an usb stream
|
|
* @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
|
|
*/
|
|
#define MAX_NO_URBS_FOR_DATA_STREAM 10
|
|
struct usb_data_stream {
|
|
struct usb_device *udev;
|
|
struct usb_data_stream_properties props;
|
|
|
|
#define USB_STATE_INIT 0x00
|
|
#define USB_STATE_URB_BUF 0x01
|
|
u8 state;
|
|
|
|
void (*complete) (struct usb_data_stream *, u8 *, size_t);
|
|
|
|
struct urb *urb_list[MAX_NO_URBS_FOR_DATA_STREAM];
|
|
int buf_num;
|
|
unsigned long buf_size;
|
|
u8 *buf_list[MAX_NO_URBS_FOR_DATA_STREAM];
|
|
dma_addr_t dma_addr[MAX_NO_URBS_FOR_DATA_STREAM];
|
|
|
|
int urbs_initialized;
|
|
int urbs_submitted;
|
|
|
|
void *user_priv;
|
|
};
|
|
|
|
/**
|
|
* dvb adapter object on dvb usb device
|
|
* @props: pointer to adapter properties
|
|
* @stream: adapter the usb data stream
|
|
* @id: index of this adapter (starting with 0)
|
|
* @ts_type: transport stream, input stream, type
|
|
* @suspend_resume_active: set when there is ongoing suspend / resume
|
|
* @pid_filtering: is hardware pid_filtering used or not
|
|
* @feed_count: current feed count
|
|
* @max_feed_count: maimum feed count device can handle
|
|
* @dvb_adap: adapter dvb_adapter
|
|
* @dmxdev: adapter dmxdev
|
|
* @demux: adapter software demuxer
|
|
* @dvb_net: adapter dvb_net interfaces
|
|
* @sync_mutex: mutex used to sync control and streaming of the adapter
|
|
* @fe: adapter frontends
|
|
* @fe_init: rerouted frontend-init function
|
|
* @fe_sleep: rerouted frontend-sleep function
|
|
*/
|
|
struct dvb_usb_adapter {
|
|
const struct dvb_usb_adapter_properties *props;
|
|
struct usb_data_stream stream;
|
|
u8 id;
|
|
u8 ts_type;
|
|
bool suspend_resume_active;
|
|
bool pid_filtering;
|
|
u8 feed_count;
|
|
u8 max_feed_count;
|
|
s8 active_fe;
|
|
#define ADAP_INIT 0
|
|
#define ADAP_SLEEP 1
|
|
#define ADAP_STREAMING 2
|
|
unsigned long state_bits;
|
|
|
|
/* dvb */
|
|
struct dvb_adapter dvb_adap;
|
|
struct dmxdev dmxdev;
|
|
struct dvb_demux demux;
|
|
struct dvb_net dvb_net;
|
|
|
|
struct dvb_frontend *fe[MAX_NO_OF_FE_PER_ADAP];
|
|
int (*fe_init[MAX_NO_OF_FE_PER_ADAP]) (struct dvb_frontend *);
|
|
int (*fe_sleep[MAX_NO_OF_FE_PER_ADAP]) (struct dvb_frontend *);
|
|
};
|
|
|
|
/**
|
|
* dvb usb device object
|
|
* @props: device properties
|
|
* @name: device name
|
|
* @rc_map: name of rc codes table
|
|
* @rc_polling_active: set when RC polling is active
|
|
* @udev: pointer to the device's struct usb_device
|
|
* @rc: remote controller configuration
|
|
* @powered: indicated whether the device is power or not
|
|
* @usb_mutex: mutex for usb control messages
|
|
* @i2c_mutex: mutex for i2c-transfers
|
|
* @i2c_adap: device's i2c-adapter
|
|
* @rc_dev: rc device for the remote control
|
|
* @rc_query_work: work for polling remote
|
|
* @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 {
|
|
const struct dvb_usb_device_properties *props;
|
|
const char *name;
|
|
const char *rc_map;
|
|
bool rc_polling_active;
|
|
struct usb_device *udev;
|
|
struct dvb_usb_rc rc;
|
|
int powered;
|
|
|
|
/* locking */
|
|
struct mutex usb_mutex;
|
|
|
|
/* i2c */
|
|
struct mutex i2c_mutex;
|
|
struct i2c_adapter i2c_adap;
|
|
|
|
struct dvb_usb_adapter adapter[MAX_NO_OF_ADAPTER_PER_DEVICE];
|
|
|
|
/* remote control */
|
|
struct rc_dev *rc_dev;
|
|
char rc_phys[64];
|
|
struct delayed_work rc_query_work;
|
|
|
|
void *priv;
|
|
};
|
|
|
|
extern int dvb_usbv2_probe(struct usb_interface *,
|
|
const struct usb_device_id *);
|
|
extern void dvb_usbv2_disconnect(struct usb_interface *);
|
|
extern int dvb_usbv2_suspend(struct usb_interface *, pm_message_t);
|
|
extern int dvb_usbv2_resume(struct usb_interface *);
|
|
extern int dvb_usbv2_reset_resume(struct usb_interface *);
|
|
|
|
/* the generic read/write method for device control */
|
|
extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16);
|
|
extern int dvb_usbv2_generic_write(struct dvb_usb_device *, u8 *, u16);
|
|
/* caller must hold lock when locked versions are called */
|
|
extern int dvb_usbv2_generic_rw_locked(struct dvb_usb_device *,
|
|
u8 *, u16, u8 *, u16);
|
|
extern int dvb_usbv2_generic_write_locked(struct dvb_usb_device *, u8 *, u16);
|
|
|
|
#endif
|