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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
776338e1 JS |
2 | /* dvb-usb.h is part of the DVB USB library. |
3 | * | |
99e44da7 | 4 | * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) |
776338e1 JS |
5 | * see dvb-usb-init.c for copyright information. |
6 | * | |
7 | * the headerfile, all dvb-usb-drivers have to include. | |
4d43e13f PB |
8 | * |
9 | * TODO: clean-up the structures for unused fields and update the comments | |
776338e1 JS |
10 | */ |
11 | #ifndef __DVB_USB_H__ | |
12 | #define __DVB_USB_H__ | |
13 | ||
776338e1 | 14 | #include <linux/input.h> |
776338e1 | 15 | #include <linux/usb.h> |
d3707add | 16 | #include <linux/firmware.h> |
3593cab5 | 17 | #include <linux/mutex.h> |
6bda9644 | 18 | #include <media/rc-core.h> |
776338e1 JS |
19 | |
20 | #include "dvb_frontend.h" | |
21 | #include "dvb_demux.h" | |
22 | #include "dvb_net.h" | |
23 | #include "dmxdev.h" | |
24 | ||
25 | #include "dvb-pll.h" | |
26 | ||
27 | #include "dvb-usb-ids.h" | |
28 | ||
29 | /* debug */ | |
30 | #ifdef CONFIG_DVB_USB_DEBUG | |
31 | #define dprintk(var,level,args...) \ | |
32 | do { if ((var & level)) { printk(args); } } while (0) | |
33 | ||
34 | #define debug_dump(b,l,func) {\ | |
35 | int loop_; \ | |
36 | for (loop_ = 0; loop_ < l; loop_++) func("%02x ", b[loop_]); \ | |
37 | func("\n");\ | |
38 | } | |
39 | #define DVB_USB_DEBUG_STATUS | |
40 | #else | |
41 | #define dprintk(args...) | |
42 | #define debug_dump(b,l,func) | |
43 | ||
44 | #define DVB_USB_DEBUG_STATUS " (debugging is not enabled)" | |
45 | ||
46 | #endif | |
47 | ||
48 | /* generic log methods - taken from usb.h */ | |
49 | #ifndef DVB_USB_LOG_PREFIX | |
50 | #define DVB_USB_LOG_PREFIX "dvb-usb (please define a log prefix)" | |
51 | #endif | |
52 | ||
53 | #undef err | |
54 | #define err(format, arg...) printk(KERN_ERR DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) | |
55 | #undef info | |
56 | #define info(format, arg...) printk(KERN_INFO DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) | |
57 | #undef warn | |
58 | #define warn(format, arg...) printk(KERN_WARNING DVB_USB_LOG_PREFIX ": " format "\n" , ## arg) | |
59 | ||
60 | /** | |
61 | * struct dvb_usb_device_description - name and its according USB IDs | |
62 | * @name: real name of the box, regardless which DVB USB device class is in use | |
63 | * @cold_ids: array of struct usb_device_id which describe the device in | |
64 | * pre-firmware state | |
65 | * @warm_ids: array of struct usb_device_id which describe the device in | |
66 | * post-firmware state | |
67 | * | |
68 | * Each DVB USB device class can have one or more actual devices, this struct | |
69 | * assigns a name to it. | |
70 | */ | |
71 | struct dvb_usb_device_description { | |
72 | const char *name; | |
73 | ||
74 | #define DVB_USB_ID_MAX_NUM 15 | |
75 | struct usb_device_id *cold_ids[DVB_USB_ID_MAX_NUM]; | |
76 | struct usb_device_id *warm_ids[DVB_USB_ID_MAX_NUM]; | |
77 | }; | |
78 | ||
2f4f58d6 | 79 | static inline u8 rc5_custom(struct rc_map_table *key) |
2e365883 | 80 | { |
34abf219 | 81 | return (key->scancode >> 8) & 0xff; |
2e365883 MCC |
82 | } |
83 | ||
2f4f58d6 | 84 | static inline u8 rc5_data(struct rc_map_table *key) |
2e365883 | 85 | { |
34abf219 | 86 | return key->scancode & 0xff; |
2e365883 MCC |
87 | } |
88 | ||
147b68cd | 89 | static inline u16 rc5_scan(struct rc_map_table *key) |
2e365883 | 90 | { |
34abf219 | 91 | return key->scancode & 0xffff; |
2e365883 MCC |
92 | } |
93 | ||
776338e1 | 94 | struct dvb_usb_device; |
4d43e13f PB |
95 | struct dvb_usb_adapter; |
96 | struct usb_data_stream; | |
776338e1 JS |
97 | |
98 | /** | |
136cafbf PB |
99 | * Properties of USB streaming - TODO this structure should be somewhere else |
100 | * describes the kind of USB transfer used for data-streaming. | |
4d43e13f PB |
101 | * (BULK or ISOC) |
102 | */ | |
103 | struct usb_data_stream_properties { | |
104 | #define USB_BULK 1 | |
105 | #define USB_ISOC 2 | |
106 | int type; | |
107 | int count; | |
108 | int endpoint; | |
109 | ||
110 | union { | |
111 | struct { | |
112 | int buffersize; /* per URB */ | |
113 | } bulk; | |
114 | struct { | |
115 | int framesperurb; | |
116 | int framesize; | |
117 | int interval; | |
118 | } isoc; | |
119 | } u; | |
120 | }; | |
121 | ||
122 | /** | |
123 | * struct dvb_usb_adapter_properties - properties of a dvb-usb-adapter. | |
124 | * A DVB-USB-Adapter is basically a dvb_adapter which is present on a USB-device. | |
be787ace | 125 | * @caps: capabilities of the DVB USB device. |
776338e1 JS |
126 | * @pid_filter_count: number of PID filter position in the optional hardware |
127 | * PID-filter. | |
9bd9e3bd AP |
128 | * @num_frontends: number of frontends of the DVB USB adapter. |
129 | * @frontend_ctrl: called to power on/off active frontend. | |
09129f0d | 130 | * @streaming_ctrl: called to start and stop the MPEG2-TS streaming of the |
4d43e13f PB |
131 | * device (not URB submitting/killing). |
132 | * @pid_filter_ctrl: called to en/disable the PID filter, if any. | |
133 | * @pid_filter: called to set/unset a PID for filtering. | |
134 | * @frontend_attach: called to attach the possible frontends (fill fe-field | |
135 | * of struct dvb_usb_device). | |
136 | * @tuner_attach: called to attach the correct tuner and to fill pll_addr, | |
137 | * pll_desc and pll_init_buf of struct dvb_usb_device). | |
138 | * @stream: configuration of the USB streaming | |
139 | */ | |
77eed219 | 140 | struct dvb_usb_adapter_fe_properties { |
4d43e13f PB |
141 | #define DVB_USB_ADAP_HAS_PID_FILTER 0x01 |
142 | #define DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF 0x02 | |
143 | #define DVB_USB_ADAP_NEED_PID_FILTERING 0x04 | |
0540c496 | 144 | #define DVB_USB_ADAP_RECEIVES_204_BYTE_TS 0x08 |
379aa4d0 | 145 | #define DVB_USB_ADAP_RECEIVES_RAW_PAYLOAD 0x10 |
4d43e13f PB |
146 | int caps; |
147 | int pid_filter_count; | |
148 | ||
149 | int (*streaming_ctrl) (struct dvb_usb_adapter *, int); | |
150 | int (*pid_filter_ctrl) (struct dvb_usb_adapter *, int); | |
151 | int (*pid_filter) (struct dvb_usb_adapter *, int, u16, int); | |
152 | ||
153 | int (*frontend_attach) (struct dvb_usb_adapter *); | |
154 | int (*tuner_attach) (struct dvb_usb_adapter *); | |
155 | ||
156 | struct usb_data_stream_properties stream; | |
157 | ||
158 | int size_of_priv; | |
77eed219 MK |
159 | }; |
160 | ||
52660885 | 161 | #define MAX_NO_OF_FE_PER_ADAP 3 |
77eed219 MK |
162 | struct dvb_usb_adapter_properties { |
163 | int size_of_priv; | |
94d98314 | 164 | |
77eed219 | 165 | int (*frontend_ctrl) (struct dvb_frontend *, int); |
77eed219 MK |
166 | |
167 | int num_frontends; | |
168 | struct dvb_usb_adapter_fe_properties fe[MAX_NO_OF_FE_PER_ADAP]; | |
4d43e13f PB |
169 | }; |
170 | ||
f72a27b8 MCC |
171 | /** |
172 | * struct dvb_rc_legacy - old properties of remote controller | |
2f4f58d6 | 173 | * @rc_map_table: a hard-wired array of struct rc_map_table (NULL to disable |
f72a27b8 | 174 | * remote control handling). |
2f4f58d6 | 175 | * @rc_map_size: number of items in @rc_map_table. |
f72a27b8 MCC |
176 | * @rc_query: called to query an event event. |
177 | * @rc_interval: time in ms between two queries. | |
178 | */ | |
179 | struct dvb_rc_legacy { | |
180 | /* remote control properties */ | |
181 | #define REMOTE_NO_KEY_PRESSED 0x00 | |
182 | #define REMOTE_KEY_PRESSED 0x01 | |
183 | #define REMOTE_KEY_REPEAT 0x02 | |
2f4f58d6 MCC |
184 | struct rc_map_table *rc_map_table; |
185 | int rc_map_size; | |
f72a27b8 MCC |
186 | int (*rc_query) (struct dvb_usb_device *, u32 *, int *); |
187 | int rc_interval; | |
188 | }; | |
189 | ||
6520342b MCC |
190 | /** |
191 | * struct dvb_rc properties of remote controller, using rc-core | |
192 | * @rc_codes: name of rc codes table | |
0ffd1ab3 | 193 | * @protocol: type of protocol(s) currently used by the driver |
d8b4b582 | 194 | * @allowed_protos: protocol(s) supported by the driver |
739ff04f | 195 | * @driver_type: Used to point if a device supports raw mode |
d8b4b582 | 196 | * @change_protocol: callback to change protocol |
6520342b MCC |
197 | * @rc_query: called to query an event event. |
198 | * @rc_interval: time in ms between two queries. | |
6520342b MCC |
199 | * @bulk_mode: device supports bulk mode for RC (disable polling mode) |
200 | */ | |
201 | struct dvb_rc { | |
202 | char *rc_codes; | |
0ffd1ab3 | 203 | u64 protocol; |
d8b4b582 | 204 | u64 allowed_protos; |
739ff04f | 205 | enum rc_driver_type driver_type; |
6d741bfe | 206 | int (*change_protocol)(struct rc_dev *dev, u64 *rc_proto); |
6520342b MCC |
207 | char *module_name; |
208 | int (*rc_query) (struct dvb_usb_device *d); | |
209 | int rc_interval; | |
6520342b MCC |
210 | bool bulk_mode; /* uses bulk mode */ |
211 | }; | |
212 | ||
213 | /** | |
214 | * enum dvb_usb_mode - Specifies if it is using a legacy driver or a new one | |
215 | * based on rc-core | |
216 | * This is initialized/used only inside dvb-usb-remote.c. | |
217 | * It shouldn't be set by the drivers. | |
218 | */ | |
219 | enum dvb_usb_mode { | |
220 | DVB_RC_LEGACY, | |
221 | DVB_RC_CORE, | |
222 | }; | |
223 | ||
4d43e13f PB |
224 | /** |
225 | * struct dvb_usb_device_properties - properties of a dvb-usb-device | |
776338e1 JS |
226 | * @usb_ctrl: which USB device-side controller is in use. Needed for firmware |
227 | * download. | |
228 | * @firmware: name of the firmware file. | |
d3707add PB |
229 | * @download_firmware: called to download the firmware when the usb_ctrl is |
230 | * DEVICE_SPECIFIC. | |
231 | * @no_reconnect: device doesn't do a reconnect after downloading the firmware, | |
4d43e13f PB |
232 | * so do the warm initialization right after it |
233 | * | |
776338e1 JS |
234 | * @size_of_priv: how many bytes shall be allocated for the private field |
235 | * of struct dvb_usb_device. | |
236 | * | |
237 | * @power_ctrl: called to enable/disable power of the device. | |
776338e1 | 238 | * @read_mac_address: called to read the MAC address of the device. |
776338e1 JS |
239 | * @identify_state: called to determine the state (cold or warm), when it |
240 | * is not distinguishable by the USB IDs. | |
241 | * | |
f72a27b8 | 242 | * @rc: remote controller properties |
776338e1 JS |
243 | * |
244 | * @i2c_algo: i2c_algorithm if the device has I2CoverUSB. | |
245 | * | |
246 | * @generic_bulk_ctrl_endpoint: most of the DVB USB devices have a generic | |
247 | * endpoint which received control messages with bulk transfers. When this | |
248 | * is non-zero, one can use dvb_usb_generic_rw and dvb_usb_generic_write- | |
249 | * helper functions. | |
250 | * | |
4605664b MK |
251 | * @generic_bulk_ctrl_endpoint_response: some DVB USB devices use a separate |
252 | * endpoint for responses to control messages sent with bulk transfers via | |
253 | * the generic_bulk_ctrl_endpoint. When this is non-zero, this will be used | |
254 | * instead of the generic_bulk_ctrl_endpoint when reading usb responses in | |
255 | * the dvb_usb_generic_rw helper function. | |
256 | * | |
776338e1 JS |
257 | * @num_device_descs: number of struct dvb_usb_device_description in @devices |
258 | * @devices: array of struct dvb_usb_device_description compatibles with these | |
259 | * properties. | |
260 | */ | |
4d43e13f PB |
261 | #define MAX_NO_OF_ADAPTER_PER_DEVICE 2 |
262 | struct dvb_usb_device_properties { | |
776338e1 | 263 | |
4d43e13f | 264 | #define DVB_USB_IS_AN_I2C_ADAPTER 0x01 |
776338e1 | 265 | int caps; |
776338e1 | 266 | |
d3707add PB |
267 | #define DEVICE_SPECIFIC 0 |
268 | #define CYPRESS_AN2135 1 | |
269 | #define CYPRESS_AN2235 2 | |
270 | #define CYPRESS_FX2 3 | |
136cafbf PB |
271 | int usb_ctrl; |
272 | int (*download_firmware) (struct usb_device *, const struct firmware *); | |
56aec8d8 | 273 | const char *firmware; |
136cafbf | 274 | int no_reconnect; |
776338e1 JS |
275 | |
276 | int size_of_priv; | |
277 | ||
4d43e13f PB |
278 | int num_adapters; |
279 | struct dvb_usb_adapter_properties adapter[MAX_NO_OF_ADAPTER_PER_DEVICE]; | |
776338e1 | 280 | |
4d43e13f | 281 | int (*power_ctrl) (struct dvb_usb_device *, int); |
776338e1 | 282 | int (*read_mac_address) (struct dvb_usb_device *, u8 []); |
4d43e13f | 283 | int (*identify_state) (struct usb_device *, struct dvb_usb_device_properties *, |
776338e1 JS |
284 | struct dvb_usb_device_description **, int *); |
285 | ||
6520342b MCC |
286 | struct { |
287 | enum dvb_usb_mode mode; /* Drivers shouldn't touch on it */ | |
f72a27b8 | 288 | struct dvb_rc_legacy legacy; |
6520342b | 289 | struct dvb_rc core; |
f72a27b8 | 290 | } rc; |
776338e1 JS |
291 | |
292 | struct i2c_algorithm *i2c_algo; | |
293 | ||
294 | int generic_bulk_ctrl_endpoint; | |
4605664b | 295 | int generic_bulk_ctrl_endpoint_response; |
776338e1 | 296 | |
776338e1 | 297 | int num_device_descs; |
513846ec | 298 | struct dvb_usb_device_description devices[12]; |
776338e1 JS |
299 | }; |
300 | ||
776338e1 | 301 | /** |
4d43e13f | 302 | * struct usb_data_stream - generic object of an USB stream |
7f5fee57 PB |
303 | * @buf_num: number of buffer allocated. |
304 | * @buf_size: size of each buffer in buf_list. | |
305 | * @buf_list: array containing all allocate buffers for streaming. | |
306 | * @dma_addr: list of dma_addr_t for each buffer in buf_list. | |
307 | * | |
776338e1 JS |
308 | * @urbs_initialized: number of URBs initialized. |
309 | * @urbs_submitted: number of URBs submitted. | |
4d43e13f PB |
310 | */ |
311 | #define MAX_NO_URBS_FOR_DATA_STREAM 10 | |
312 | struct usb_data_stream { | |
136cafbf PB |
313 | struct usb_device *udev; |
314 | struct usb_data_stream_properties props; | |
4d43e13f PB |
315 | |
316 | #define USB_STATE_INIT 0x00 | |
317 | #define USB_STATE_URB_BUF 0x01 | |
318 | int state; | |
319 | ||
320 | void (*complete) (struct usb_data_stream *, u8 *, size_t); | |
321 | ||
136cafbf PB |
322 | struct urb *urb_list[MAX_NO_URBS_FOR_DATA_STREAM]; |
323 | int buf_num; | |
324 | unsigned long buf_size; | |
325 | u8 *buf_list[MAX_NO_URBS_FOR_DATA_STREAM]; | |
326 | dma_addr_t dma_addr[MAX_NO_URBS_FOR_DATA_STREAM]; | |
4d43e13f PB |
327 | |
328 | int urbs_initialized; | |
329 | int urbs_submitted; | |
330 | ||
331 | void *user_priv; | |
332 | }; | |
333 | ||
334 | /** | |
335 | * struct dvb_usb_adapter - a DVB adapter on a USB device | |
336 | * @id: index of this adapter (starting with 0). | |
337 | * | |
776338e1 JS |
338 | * @feedcount: number of reqested feeds (used for streaming-activation) |
339 | * @pid_filtering: is hardware pid_filtering used or not. | |
7f5fee57 | 340 | * |
776338e1 JS |
341 | * @pll_addr: I2C address of the tuner for programming |
342 | * @pll_init: array containing the initialization buffer | |
343 | * @pll_desc: pointer to the appropriate struct dvb_pll_desc | |
7f5fee57 | 344 | * @tuner_pass_ctrl: called to (de)activate tuner passthru of the demod or the board |
136cafbf | 345 | * |
776338e1 JS |
346 | * @dvb_adap: device's dvb_adapter. |
347 | * @dmxdev: device's dmxdev. | |
348 | * @demux: device's software demuxer. | |
349 | * @dvb_net: device's dvb_net interfaces. | |
350 | * @dvb_frontend: device's frontend. | |
351 | * @max_feed_count: how many feeds can be handled simultaneously by this | |
352 | * device | |
136cafbf PB |
353 | * |
354 | * @fe_init: rerouted frontend-init (wakeup) function. | |
776338e1 | 355 | * @fe_sleep: rerouted frontend-sleep function. |
136cafbf | 356 | * |
4d43e13f PB |
357 | * @stream: the usb data stream. |
358 | */ | |
77eed219 MK |
359 | struct dvb_usb_fe_adapter { |
360 | struct dvb_frontend *fe; | |
361 | ||
362 | int (*fe_init) (struct dvb_frontend *); | |
363 | int (*fe_sleep) (struct dvb_frontend *); | |
364 | ||
365 | struct usb_data_stream stream; | |
366 | ||
367 | int pid_filtering; | |
368 | int max_feed_count; | |
369 | ||
370 | void *priv; | |
371 | }; | |
372 | ||
4d43e13f PB |
373 | struct dvb_usb_adapter { |
374 | struct dvb_usb_device *dev; | |
375 | struct dvb_usb_adapter_properties props; | |
376 | ||
377 | #define DVB_USB_ADAP_STATE_INIT 0x000 | |
378 | #define DVB_USB_ADAP_STATE_DVB 0x001 | |
379 | int state; | |
380 | ||
136cafbf | 381 | u8 id; |
4d43e13f PB |
382 | |
383 | int feedcount; | |
4d43e13f | 384 | |
4d43e13f PB |
385 | /* dvb */ |
386 | struct dvb_adapter dvb_adap; | |
387 | struct dmxdev dmxdev; | |
388 | struct dvb_demux demux; | |
389 | struct dvb_net dvb_net; | |
4d43e13f | 390 | |
77eed219 MK |
391 | struct dvb_usb_fe_adapter fe_adap[MAX_NO_OF_FE_PER_ADAP]; |
392 | int active_fe; | |
393 | int num_frontends_initialized; | |
4d43e13f PB |
394 | |
395 | void *priv; | |
396 | }; | |
397 | ||
398 | /** | |
399 | * struct dvb_usb_device - object of a DVB USB device | |
400 | * @props: copy of the struct dvb_usb_properties this device belongs to. | |
401 | * @desc: pointer to the device's struct dvb_usb_device_description. | |
402 | * @state: initialization and runtime state of the device. | |
403 | * | |
a37ddced PB |
404 | * @powered: indicated whether the device is power or not. |
405 | * Powered is in/decremented for each call to modify the state. | |
4d43e13f PB |
406 | * @udev: pointer to the device's struct usb_device. |
407 | * | |
7724325a MCC |
408 | * @data_mutex: mutex to protect the data structure used to store URB data |
409 | * @usb_mutex: mutex of USB control messages (reading needs two messages). | |
410 | * Please notice that this mutex is used internally at the generic | |
411 | * URB control functions. So, drivers using dvb_usb_generic_rw() and | |
412 | * derivated functions should not lock it internally. | |
413 | * @i2c_mutex: mutex for i2c-transfers | |
4d43e13f PB |
414 | * |
415 | * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB | |
416 | * | |
d8b4b582 DH |
417 | * @rc_dev: rc device for the remote control (rc-core mode) |
418 | * @input_dev: input device for the remote control (legacy mode) | |
776338e1 JS |
419 | * @rc_query_work: struct work_struct frequent rc queries |
420 | * @last_event: last triggered event | |
421 | * @last_state: last state (no, pressed, repeat) | |
422 | * @owner: owner of the dvb_adapter | |
423 | * @priv: private data of the actual driver (allocate by dvb-usb, size defined | |
424 | * in size_of_priv of dvb_usb_properties). | |
425 | */ | |
426 | struct dvb_usb_device { | |
4d43e13f | 427 | struct dvb_usb_device_properties props; |
776338e1 JS |
428 | struct dvb_usb_device_description *desc; |
429 | ||
776338e1 | 430 | struct usb_device *udev; |
7f5fee57 | 431 | |
4d43e13f PB |
432 | #define DVB_USB_STATE_INIT 0x000 |
433 | #define DVB_USB_STATE_I2C 0x001 | |
434 | #define DVB_USB_STATE_DVB 0x002 | |
435 | #define DVB_USB_STATE_REMOTE 0x004 | |
436 | int state; | |
776338e1 | 437 | |
4d43e13f | 438 | int powered; |
776338e1 JS |
439 | |
440 | /* locking */ | |
7724325a | 441 | struct mutex data_mutex; |
3593cab5 | 442 | struct mutex usb_mutex; |
776338e1 JS |
443 | |
444 | /* i2c */ | |
3593cab5 | 445 | struct mutex i2c_mutex; |
776338e1 JS |
446 | struct i2c_adapter i2c_adap; |
447 | ||
4d43e13f PB |
448 | int num_adapters_initialized; |
449 | struct dvb_usb_adapter adapter[MAX_NO_OF_ADAPTER_PER_DEVICE]; | |
776338e1 JS |
450 | |
451 | /* remote control */ | |
d8b4b582 DH |
452 | struct rc_dev *rc_dev; |
453 | struct input_dev *input_dev; | |
b7df3910 | 454 | char rc_phys[64]; |
c4028958 | 455 | struct delayed_work rc_query_work; |
776338e1 JS |
456 | u32 last_event; |
457 | int last_state; | |
458 | ||
459 | struct module *owner; | |
460 | ||
461 | void *priv; | |
462 | }; | |
463 | ||
78e92006 JG |
464 | extern int dvb_usb_device_init(struct usb_interface *, |
465 | struct dvb_usb_device_properties *, | |
466 | struct module *, struct dvb_usb_device **, | |
467 | short *adapter_nums); | |
776338e1 JS |
468 | extern void dvb_usb_device_exit(struct usb_interface *); |
469 | ||
470 | /* the generic read/write method for device control */ | |
11a1e0ed MCC |
471 | extern int __must_check |
472 | dvb_usb_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16, int); | |
473 | extern int __must_check | |
474 | dvb_usb_generic_write(struct dvb_usb_device *, u8 *, u16); | |
776338e1 JS |
475 | |
476 | /* commonly used remote control parsing */ | |
477 | extern int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *, u8[], u32 *, int *); | |
478 | ||
d3707add PB |
479 | /* commonly used firmware download types and function */ |
480 | struct hexline { | |
481 | u8 len; | |
482 | u32 addr; | |
483 | u8 type; | |
484 | u8 data[255]; | |
485 | u8 chk; | |
486 | }; | |
f5373788 | 487 | extern int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type); |
136cafbf PB |
488 | extern int dvb_usb_get_hexline(const struct firmware *fw, struct hexline *hx, int *pos); |
489 | ||
776338e1 JS |
490 | |
491 | #endif |