Merge branch 'fixes-v3.0-rc3' into devel-fixes
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-usb / dvb-usb.h
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1/* dvb-usb.h is part of the DVB USB library.
2 *
4d43e13f 3 * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
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4 * see dvb-usb-init.c for copyright information.
5 *
6 * the headerfile, all dvb-usb-drivers have to include.
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7 *
8 * TODO: clean-up the structures for unused fields and update the comments
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9 */
10#ifndef __DVB_USB_H__
11#define __DVB_USB_H__
12
776338e1 13#include <linux/input.h>
776338e1 14#include <linux/usb.h>
d3707add 15#include <linux/firmware.h>
3593cab5 16#include <linux/mutex.h>
6bda9644 17#include <media/rc-core.h>
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18
19#include "dvb_frontend.h"
20#include "dvb_demux.h"
21#include "dvb_net.h"
22#include "dmxdev.h"
23
24#include "dvb-pll.h"
25
26#include "dvb-usb-ids.h"
27
28/* debug */
29#ifdef CONFIG_DVB_USB_DEBUG
30#define dprintk(var,level,args...) \
31 do { if ((var & level)) { printk(args); } } while (0)
32
33#define debug_dump(b,l,func) {\
34 int loop_; \
35 for (loop_ = 0; loop_ < l; loop_++) func("%02x ", b[loop_]); \
36 func("\n");\
37}
38#define DVB_USB_DEBUG_STATUS
39#else
40#define dprintk(args...)
41#define debug_dump(b,l,func)
42
43#define DVB_USB_DEBUG_STATUS " (debugging is not enabled)"
44
45#endif
46
47/* generic log methods - taken from usb.h */
48#ifndef DVB_USB_LOG_PREFIX
49 #define DVB_USB_LOG_PREFIX "dvb-usb (please define a log prefix)"
50#endif
51
52#undef err
53#define err(format, arg...) printk(KERN_ERR DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
54#undef info
55#define info(format, arg...) printk(KERN_INFO DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
56#undef warn
57#define warn(format, arg...) printk(KERN_WARNING DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
58
59/**
60 * struct dvb_usb_device_description - name and its according USB IDs
61 * @name: real name of the box, regardless which DVB USB device class is in use
62 * @cold_ids: array of struct usb_device_id which describe the device in
63 * pre-firmware state
64 * @warm_ids: array of struct usb_device_id which describe the device in
65 * post-firmware state
66 *
67 * Each DVB USB device class can have one or more actual devices, this struct
68 * assigns a name to it.
69 */
70struct dvb_usb_device_description {
71 const char *name;
72
73#define DVB_USB_ID_MAX_NUM 15
74 struct usb_device_id *cold_ids[DVB_USB_ID_MAX_NUM];
75 struct usb_device_id *warm_ids[DVB_USB_ID_MAX_NUM];
76};
77
2f4f58d6 78static inline u8 rc5_custom(struct rc_map_table *key)
2e365883 79{
34abf219 80 return (key->scancode >> 8) & 0xff;
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81}
82
2f4f58d6 83static inline u8 rc5_data(struct rc_map_table *key)
2e365883 84{
34abf219 85 return key->scancode & 0xff;
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86}
87
2f4f58d6 88static inline u8 rc5_scan(struct rc_map_table *key)
2e365883 89{
34abf219 90 return key->scancode & 0xffff;
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91}
92
776338e1 93struct dvb_usb_device;
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94struct dvb_usb_adapter;
95struct usb_data_stream;
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96
97/**
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98 * Properties of USB streaming - TODO this structure should be somewhere else
99 * describes the kind of USB transfer used for data-streaming.
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100 * (BULK or ISOC)
101 */
102struct usb_data_stream_properties {
103#define USB_BULK 1
104#define USB_ISOC 2
105 int type;
106 int count;
107 int endpoint;
108
109 union {
110 struct {
111 int buffersize; /* per URB */
112 } bulk;
113 struct {
114 int framesperurb;
115 int framesize;
116 int interval;
117 } isoc;
118 } u;
119};
120
121/**
122 * struct dvb_usb_adapter_properties - properties of a dvb-usb-adapter.
123 * A DVB-USB-Adapter is basically a dvb_adapter which is present on a USB-device.
be787ace 124 * @caps: capabilities of the DVB USB device.
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125 * @pid_filter_count: number of PID filter position in the optional hardware
126 * PID-filter.
09129f0d 127 * @streaming_ctrl: called to start and stop the MPEG2-TS streaming of the
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128 * device (not URB submitting/killing).
129 * @pid_filter_ctrl: called to en/disable the PID filter, if any.
130 * @pid_filter: called to set/unset a PID for filtering.
131 * @frontend_attach: called to attach the possible frontends (fill fe-field
132 * of struct dvb_usb_device).
133 * @tuner_attach: called to attach the correct tuner and to fill pll_addr,
134 * pll_desc and pll_init_buf of struct dvb_usb_device).
135 * @stream: configuration of the USB streaming
136 */
137struct dvb_usb_adapter_properties {
138#define DVB_USB_ADAP_HAS_PID_FILTER 0x01
139#define DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF 0x02
140#define DVB_USB_ADAP_NEED_PID_FILTERING 0x04
0540c496 141#define DVB_USB_ADAP_RECEIVES_204_BYTE_TS 0x08
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142 int caps;
143 int pid_filter_count;
144
145 int (*streaming_ctrl) (struct dvb_usb_adapter *, int);
146 int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int);
147 int (*pid_filter) (struct dvb_usb_adapter *, int, u16, int);
148
149 int (*frontend_attach) (struct dvb_usb_adapter *);
150 int (*tuner_attach) (struct dvb_usb_adapter *);
151
152 struct usb_data_stream_properties stream;
153
154 int size_of_priv;
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155
156 int (*fe_ioctl_override) (struct dvb_frontend *,
157 unsigned int, void *, unsigned int);
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158};
159
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160/**
161 * struct dvb_rc_legacy - old properties of remote controller
2f4f58d6 162 * @rc_map_table: a hard-wired array of struct rc_map_table (NULL to disable
f72a27b8 163 * remote control handling).
2f4f58d6 164 * @rc_map_size: number of items in @rc_map_table.
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165 * @rc_query: called to query an event event.
166 * @rc_interval: time in ms between two queries.
167 */
168struct dvb_rc_legacy {
169/* remote control properties */
170#define REMOTE_NO_KEY_PRESSED 0x00
171#define REMOTE_KEY_PRESSED 0x01
172#define REMOTE_KEY_REPEAT 0x02
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173 struct rc_map_table *rc_map_table;
174 int rc_map_size;
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175 int (*rc_query) (struct dvb_usb_device *, u32 *, int *);
176 int rc_interval;
177};
178
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179/**
180 * struct dvb_rc properties of remote controller, using rc-core
181 * @rc_codes: name of rc codes table
0ffd1ab3 182 * @protocol: type of protocol(s) currently used by the driver
d8b4b582 183 * @allowed_protos: protocol(s) supported by the driver
739ff04f 184 * @driver_type: Used to point if a device supports raw mode
d8b4b582 185 * @change_protocol: callback to change protocol
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186 * @rc_query: called to query an event event.
187 * @rc_interval: time in ms between two queries.
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188 * @bulk_mode: device supports bulk mode for RC (disable polling mode)
189 */
190struct dvb_rc {
191 char *rc_codes;
0ffd1ab3 192 u64 protocol;
d8b4b582 193 u64 allowed_protos;
739ff04f 194 enum rc_driver_type driver_type;
52b66144 195 int (*change_protocol)(struct rc_dev *dev, u64 rc_type);
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196 char *module_name;
197 int (*rc_query) (struct dvb_usb_device *d);
198 int rc_interval;
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199 bool bulk_mode; /* uses bulk mode */
200};
201
202/**
203 * enum dvb_usb_mode - Specifies if it is using a legacy driver or a new one
204 * based on rc-core
205 * This is initialized/used only inside dvb-usb-remote.c.
206 * It shouldn't be set by the drivers.
207 */
208enum dvb_usb_mode {
209 DVB_RC_LEGACY,
210 DVB_RC_CORE,
211};
212
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213/**
214 * struct dvb_usb_device_properties - properties of a dvb-usb-device
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215 * @usb_ctrl: which USB device-side controller is in use. Needed for firmware
216 * download.
217 * @firmware: name of the firmware file.
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218 * @download_firmware: called to download the firmware when the usb_ctrl is
219 * DEVICE_SPECIFIC.
220 * @no_reconnect: device doesn't do a reconnect after downloading the firmware,
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221 * so do the warm initialization right after it
222 *
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223 * @size_of_priv: how many bytes shall be allocated for the private field
224 * of struct dvb_usb_device.
225 *
226 * @power_ctrl: called to enable/disable power of the device.
776338e1 227 * @read_mac_address: called to read the MAC address of the device.
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228 * @identify_state: called to determine the state (cold or warm), when it
229 * is not distinguishable by the USB IDs.
230 *
f72a27b8 231 * @rc: remote controller properties
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232 *
233 * @i2c_algo: i2c_algorithm if the device has I2CoverUSB.
234 *
235 * @generic_bulk_ctrl_endpoint: most of the DVB USB devices have a generic
236 * endpoint which received control messages with bulk transfers. When this
237 * is non-zero, one can use dvb_usb_generic_rw and dvb_usb_generic_write-
238 * helper functions.
239 *
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240 * @generic_bulk_ctrl_endpoint_response: some DVB USB devices use a separate
241 * endpoint for responses to control messages sent with bulk transfers via
242 * the generic_bulk_ctrl_endpoint. When this is non-zero, this will be used
243 * instead of the generic_bulk_ctrl_endpoint when reading usb responses in
244 * the dvb_usb_generic_rw helper function.
245 *
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246 * @num_device_descs: number of struct dvb_usb_device_description in @devices
247 * @devices: array of struct dvb_usb_device_description compatibles with these
248 * properties.
249 */
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250#define MAX_NO_OF_ADAPTER_PER_DEVICE 2
251struct dvb_usb_device_properties {
776338e1 252
4d43e13f 253#define DVB_USB_IS_AN_I2C_ADAPTER 0x01
776338e1 254 int caps;
776338e1 255
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256#define DEVICE_SPECIFIC 0
257#define CYPRESS_AN2135 1
258#define CYPRESS_AN2235 2
259#define CYPRESS_FX2 3
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260 int usb_ctrl;
261 int (*download_firmware) (struct usb_device *, const struct firmware *);
56aec8d8 262 const char *firmware;
136cafbf 263 int no_reconnect;
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264
265 int size_of_priv;
266
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267 int num_adapters;
268 struct dvb_usb_adapter_properties adapter[MAX_NO_OF_ADAPTER_PER_DEVICE];
776338e1 269
4d43e13f 270 int (*power_ctrl) (struct dvb_usb_device *, int);
776338e1 271 int (*read_mac_address) (struct dvb_usb_device *, u8 []);
4d43e13f 272 int (*identify_state) (struct usb_device *, struct dvb_usb_device_properties *,
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273 struct dvb_usb_device_description **, int *);
274
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275 struct {
276 enum dvb_usb_mode mode; /* Drivers shouldn't touch on it */
f72a27b8 277 struct dvb_rc_legacy legacy;
6520342b 278 struct dvb_rc core;
f72a27b8 279 } rc;
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280
281 struct i2c_algorithm *i2c_algo;
282
283 int generic_bulk_ctrl_endpoint;
4605664b 284 int generic_bulk_ctrl_endpoint_response;
776338e1 285
776338e1 286 int num_device_descs;
513846ec 287 struct dvb_usb_device_description devices[12];
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288};
289
776338e1 290/**
4d43e13f 291 * struct usb_data_stream - generic object of an USB stream
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292 * @buf_num: number of buffer allocated.
293 * @buf_size: size of each buffer in buf_list.
294 * @buf_list: array containing all allocate buffers for streaming.
295 * @dma_addr: list of dma_addr_t for each buffer in buf_list.
296 *
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297 * @urbs_initialized: number of URBs initialized.
298 * @urbs_submitted: number of URBs submitted.
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299 */
300#define MAX_NO_URBS_FOR_DATA_STREAM 10
301struct usb_data_stream {
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302 struct usb_device *udev;
303 struct usb_data_stream_properties props;
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304
305#define USB_STATE_INIT 0x00
306#define USB_STATE_URB_BUF 0x01
307 int state;
308
309 void (*complete) (struct usb_data_stream *, u8 *, size_t);
310
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311 struct urb *urb_list[MAX_NO_URBS_FOR_DATA_STREAM];
312 int buf_num;
313 unsigned long buf_size;
314 u8 *buf_list[MAX_NO_URBS_FOR_DATA_STREAM];
315 dma_addr_t dma_addr[MAX_NO_URBS_FOR_DATA_STREAM];
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316
317 int urbs_initialized;
318 int urbs_submitted;
319
320 void *user_priv;
321};
322
323/**
324 * struct dvb_usb_adapter - a DVB adapter on a USB device
325 * @id: index of this adapter (starting with 0).
326 *
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327 * @feedcount: number of reqested feeds (used for streaming-activation)
328 * @pid_filtering: is hardware pid_filtering used or not.
7f5fee57 329 *
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330 * @pll_addr: I2C address of the tuner for programming
331 * @pll_init: array containing the initialization buffer
332 * @pll_desc: pointer to the appropriate struct dvb_pll_desc
7f5fee57 333 * @tuner_pass_ctrl: called to (de)activate tuner passthru of the demod or the board
136cafbf 334 *
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335 * @dvb_adap: device's dvb_adapter.
336 * @dmxdev: device's dmxdev.
337 * @demux: device's software demuxer.
338 * @dvb_net: device's dvb_net interfaces.
339 * @dvb_frontend: device's frontend.
340 * @max_feed_count: how many feeds can be handled simultaneously by this
341 * device
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342 *
343 * @fe_init: rerouted frontend-init (wakeup) function.
776338e1 344 * @fe_sleep: rerouted frontend-sleep function.
136cafbf 345 *
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346 * @stream: the usb data stream.
347 */
348struct dvb_usb_adapter {
349 struct dvb_usb_device *dev;
350 struct dvb_usb_adapter_properties props;
351
352#define DVB_USB_ADAP_STATE_INIT 0x000
353#define DVB_USB_ADAP_STATE_DVB 0x001
354 int state;
355
136cafbf 356 u8 id;
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357
358 int feedcount;
359 int pid_filtering;
360
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361 /* dvb */
362 struct dvb_adapter dvb_adap;
363 struct dmxdev dmxdev;
364 struct dvb_demux demux;
365 struct dvb_net dvb_net;
366 struct dvb_frontend *fe;
367 int max_feed_count;
368
4d43e13f 369 int (*fe_init) (struct dvb_frontend *);
136cafbf 370 int (*fe_sleep) (struct dvb_frontend *);
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371
372 struct usb_data_stream stream;
373
374 void *priv;
375};
376
377/**
378 * struct dvb_usb_device - object of a DVB USB device
379 * @props: copy of the struct dvb_usb_properties this device belongs to.
380 * @desc: pointer to the device's struct dvb_usb_device_description.
381 * @state: initialization and runtime state of the device.
382 *
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383 * @powered: indicated whether the device is power or not.
384 * Powered is in/decremented for each call to modify the state.
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385 * @udev: pointer to the device's struct usb_device.
386 *
387 * @usb_mutex: semaphore of USB control messages (reading needs two messages)
388 * @i2c_mutex: semaphore for i2c-transfers
389 *
390 * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
391 *
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392 * @rc_dev: rc device for the remote control (rc-core mode)
393 * @input_dev: input device for the remote control (legacy mode)
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394 * @rc_query_work: struct work_struct frequent rc queries
395 * @last_event: last triggered event
396 * @last_state: last state (no, pressed, repeat)
397 * @owner: owner of the dvb_adapter
398 * @priv: private data of the actual driver (allocate by dvb-usb, size defined
399 * in size_of_priv of dvb_usb_properties).
400 */
401struct dvb_usb_device {
4d43e13f 402 struct dvb_usb_device_properties props;
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403 struct dvb_usb_device_description *desc;
404
776338e1 405 struct usb_device *udev;
7f5fee57 406
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407#define DVB_USB_STATE_INIT 0x000
408#define DVB_USB_STATE_I2C 0x001
409#define DVB_USB_STATE_DVB 0x002
410#define DVB_USB_STATE_REMOTE 0x004
411 int state;
776338e1 412
4d43e13f 413 int powered;
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414
415 /* locking */
3593cab5 416 struct mutex usb_mutex;
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417
418 /* i2c */
3593cab5 419 struct mutex i2c_mutex;
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420 struct i2c_adapter i2c_adap;
421
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422 int num_adapters_initialized;
423 struct dvb_usb_adapter adapter[MAX_NO_OF_ADAPTER_PER_DEVICE];
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424
425 /* remote control */
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426 struct rc_dev *rc_dev;
427 struct input_dev *input_dev;
b7df3910 428 char rc_phys[64];
c4028958 429 struct delayed_work rc_query_work;
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430 u32 last_event;
431 int last_state;
432
433 struct module *owner;
434
435 void *priv;
436};
437
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438extern int dvb_usb_device_init(struct usb_interface *,
439 struct dvb_usb_device_properties *,
440 struct module *, struct dvb_usb_device **,
441 short *adapter_nums);
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442extern void dvb_usb_device_exit(struct usb_interface *);
443
444/* the generic read/write method for device control */
445extern int dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16,int);
446extern int dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16);
447
448/* commonly used remote control parsing */
449extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *);
450
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451/* commonly used firmware download types and function */
452struct hexline {
453 u8 len;
454 u32 addr;
455 u8 type;
456 u8 data[255];
457 u8 chk;
458};
f5373788 459extern int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type);
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460extern int dvb_usb_get_hexline(const struct firmware *fw, struct hexline *hx, int *pos);
461
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462
463#endif