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66e89522 JW |
1 | /* |
2 | * Driver for USB Windows Media Center Ed. eHome Infrared Transceivers | |
3 | * | |
4 | * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com> | |
5 | * | |
6 | * Based on the original lirc_mceusb and lirc_mceusb2 drivers, by Dan | |
7 | * Conti, Martin Blatter and Daniel Melander, the latter of which was | |
8 | * in turn also based on the lirc_atiusb driver by Paul Miller. The | |
9 | * two mce drivers were merged into one by Jarod Wilson, with transmit | |
10 | * support for the 1st-gen device added primarily by Patrick Calhoun, | |
11 | * with a bit of tweaks by Jarod. Debugging improvements and proper | |
12 | * support for what appears to be 3rd-gen hardware added by Jarod. | |
13 | * Initial port from lirc driver to ir-core drivery by Jarod, based | |
14 | * partially on a port to an earlier proposed IR infrastructure by | |
15 | * Jon Smirl, which included enhancements and simplifications to the | |
16 | * incoming IR buffer parsing routines. | |
17 | * | |
66e89522 JW |
18 | * |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
23 | * | |
24 | * This program is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; if not, write to the Free Software | |
31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
32 | * | |
33 | */ | |
34 | ||
35 | #include <linux/device.h> | |
36 | #include <linux/module.h> | |
37 | #include <linux/slab.h> | |
66e89522 | 38 | #include <linux/input.h> |
635f76b2 PB |
39 | #include <linux/usb.h> |
40 | #include <linux/usb/input.h> | |
66e89522 | 41 | #include <media/ir-core.h> |
66e89522 JW |
42 | |
43 | #define DRIVER_VERSION "1.91" | |
44 | #define DRIVER_AUTHOR "Jarod Wilson <jarod@wilsonet.com>" | |
45 | #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ | |
46 | "device driver" | |
47 | #define DRIVER_NAME "mceusb" | |
48 | ||
4a883918 JW |
49 | #define USB_BUFLEN 32 /* USB reception buffer length */ |
50 | #define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */ | |
51 | #define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */ | |
2ee95db2 | 52 | #define MS_TO_NS(msec) ((msec) * 1000) |
66e89522 JW |
53 | |
54 | /* MCE constants */ | |
4a883918 JW |
55 | #define MCE_CMDBUF_SIZE 384 /* MCE Command buffer length */ |
56 | #define MCE_TIME_UNIT 50 /* Approx 50us resolution */ | |
57 | #define MCE_CODE_LENGTH 5 /* Normal length of packet (with header) */ | |
58 | #define MCE_PACKET_SIZE 4 /* Normal length of packet (without header) */ | |
59 | #define MCE_IRDATA_HEADER 0x84 /* Actual header format is 0x80 + num_bytes */ | |
60 | #define MCE_IRDATA_TRAILER 0x80 /* End of IR data */ | |
61 | #define MCE_TX_HEADER_LENGTH 3 /* # of bytes in the initializing tx header */ | |
62 | #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ | |
63 | #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ | |
64 | #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ | |
65 | #define MCE_PULSE_MASK 0x7f /* Pulse mask */ | |
66 | #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ | |
67 | ||
68 | #define MCE_HW_CMD_HEADER 0xff /* MCE hardware command header */ | |
69 | #define MCE_COMMAND_HEADER 0x9f /* MCE command header */ | |
70 | #define MCE_COMMAND_MASK 0xe0 /* Mask out command bits */ | |
71 | #define MCE_COMMAND_NULL 0x00 /* These show up various places... */ | |
72 | /* if buf[i] & MCE_COMMAND_MASK == 0x80 and buf[i] != MCE_COMMAND_HEADER, | |
73 | * then we're looking at a raw IR data sample */ | |
74 | #define MCE_COMMAND_IRDATA 0x80 | |
75 | #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ | |
76 | ||
77 | /* Sub-commands, which follow MCE_COMMAND_HEADER or MCE_HW_CMD_HEADER */ | |
1cd50f25 | 78 | #define MCE_CMD_SIG_END 0x01 /* End of signal */ |
4a883918 JW |
79 | #define MCE_CMD_PING 0x03 /* Ping device */ |
80 | #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ | |
81 | #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ | |
82 | #define MCE_CMD_S_CARRIER 0x06 /* Set TX carrier frequency */ | |
83 | #define MCE_CMD_G_CARRIER 0x07 /* Get TX carrier frequency */ | |
84 | #define MCE_CMD_S_TXMASK 0x08 /* Set TX port bitmask */ | |
85 | #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ | |
86 | #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ | |
87 | #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ | |
88 | #define MCE_CMD_S_TIMEOUT 0x0c /* Set RX timeout value */ | |
89 | #define MCE_CMD_G_TIMEOUT 0x0d /* Get RX timeout value */ | |
90 | #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ | |
91 | #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ | |
92 | #define MCE_CMD_G_RXPORTSTS 0x11 /* Get RX port status */ | |
93 | #define MCE_CMD_G_TXMASK 0x13 /* Set TX port bitmask */ | |
94 | #define MCE_CMD_S_RXSENSOR 0x14 /* Set RX sensor (std/learning) */ | |
95 | #define MCE_CMD_G_RXSENSOR 0x15 /* Get RX sensor (std/learning) */ | |
2ee95db2 | 96 | #define MCE_RSP_PULSE_COUNT 0x15 /* RX pulse count (only if learning) */ |
4a883918 JW |
97 | #define MCE_CMD_TX_PORTS 0x16 /* Get number of TX ports */ |
98 | #define MCE_CMD_G_WAKESRC 0x17 /* Get wake source */ | |
99 | #define MCE_CMD_UNKNOWN7 0x18 /* Unknown */ | |
100 | #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ | |
101 | #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ | |
102 | #define MCE_CMD_DEVICE_RESET 0xaa /* Reset the hardware */ | |
103 | #define MCE_RSP_CMD_INVALID 0xfe /* Invalid command issued */ | |
66e89522 JW |
104 | |
105 | ||
106 | /* module parameters */ | |
107 | #ifdef CONFIG_USB_DEBUG | |
108 | static int debug = 1; | |
109 | #else | |
110 | static int debug; | |
111 | #endif | |
112 | ||
113 | /* general constants */ | |
114 | #define SEND_FLAG_IN_PROGRESS 1 | |
115 | #define SEND_FLAG_COMPLETE 2 | |
116 | #define RECV_FLAG_IN_PROGRESS 3 | |
117 | #define RECV_FLAG_COMPLETE 4 | |
118 | ||
119 | #define MCEUSB_RX 1 | |
120 | #define MCEUSB_TX 2 | |
121 | ||
122 | #define VENDOR_PHILIPS 0x0471 | |
123 | #define VENDOR_SMK 0x0609 | |
124 | #define VENDOR_TATUNG 0x1460 | |
125 | #define VENDOR_GATEWAY 0x107b | |
126 | #define VENDOR_SHUTTLE 0x1308 | |
127 | #define VENDOR_SHUTTLE2 0x051c | |
128 | #define VENDOR_MITSUMI 0x03ee | |
129 | #define VENDOR_TOPSEED 0x1784 | |
130 | #define VENDOR_RICAVISION 0x179d | |
131 | #define VENDOR_ITRON 0x195d | |
132 | #define VENDOR_FIC 0x1509 | |
133 | #define VENDOR_LG 0x043e | |
134 | #define VENDOR_MICROSOFT 0x045e | |
135 | #define VENDOR_FORMOSA 0x147a | |
136 | #define VENDOR_FINTEK 0x1934 | |
137 | #define VENDOR_PINNACLE 0x2304 | |
138 | #define VENDOR_ECS 0x1019 | |
139 | #define VENDOR_WISTRON 0x0fb8 | |
140 | #define VENDOR_COMPRO 0x185b | |
141 | #define VENDOR_NORTHSTAR 0x04eb | |
142 | #define VENDOR_REALTEK 0x0bda | |
143 | #define VENDOR_TIVO 0x105a | |
56e92f60 | 144 | #define VENDOR_CONEXANT 0x0572 |
66e89522 | 145 | |
37dbd3a6 MCC |
146 | enum mceusb_model_type { |
147 | MCE_GEN2 = 0, /* Most boards */ | |
148 | MCE_GEN1, | |
149 | MCE_GEN3, | |
150 | MCE_GEN2_TX_INV, | |
151 | POLARIS_EVK, | |
6f6c625d | 152 | CX_HYBRID_TV, |
37dbd3a6 MCC |
153 | }; |
154 | ||
155 | struct mceusb_model { | |
156 | u32 mce_gen1:1; | |
157 | u32 mce_gen2:1; | |
158 | u32 mce_gen3:1; | |
159 | u32 tx_mask_inverted:1; | |
160 | u32 is_polaris:1; | |
6f6c625d | 161 | u32 no_tx:1; |
37dbd3a6 | 162 | |
17c2b1fd | 163 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 164 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
165 | }; |
166 | ||
167 | static const struct mceusb_model mceusb_model[] = { | |
168 | [MCE_GEN1] = { | |
169 | .mce_gen1 = 1, | |
170 | .tx_mask_inverted = 1, | |
171 | }, | |
172 | [MCE_GEN2] = { | |
173 | .mce_gen2 = 1, | |
174 | }, | |
175 | [MCE_GEN2_TX_INV] = { | |
176 | .mce_gen2 = 1, | |
177 | .tx_mask_inverted = 1, | |
178 | }, | |
179 | [MCE_GEN3] = { | |
180 | .mce_gen3 = 1, | |
181 | .tx_mask_inverted = 1, | |
182 | }, | |
183 | [POLARIS_EVK] = { | |
184 | .is_polaris = 1, | |
17c2b1fd MCC |
185 | /* |
186 | * In fact, the EVK is shipped without | |
187 | * remotes, but we should have something handy, | |
188 | * to allow testing it | |
189 | */ | |
190 | .rc_map = RC_MAP_RC5_HAUPPAUGE_NEW, | |
6f6c625d JW |
191 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
192 | }, | |
193 | [CX_HYBRID_TV] = { | |
194 | .is_polaris = 1, | |
195 | .no_tx = 1, /* tx isn't wired up at all */ | |
196 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 MCC |
197 | }, |
198 | }; | |
199 | ||
66e89522 JW |
200 | static struct usb_device_id mceusb_dev_table[] = { |
201 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ | |
37dbd3a6 MCC |
202 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
203 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
204 | /* Philips Infrared Transceiver - Sahara branded */ |
205 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
206 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
207 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
208 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
209 | /* Philips SRM5100 */ |
210 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
211 | /* Philips Infrared Transceiver - Omaura */ | |
212 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
213 | /* Philips Infrared Transceiver - Spinel plus */ | |
214 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
215 | /* Philips eHome Infrared Transceiver */ | |
216 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
217 | /* Philips/Spinel plus IR transceiver for ASUS */ |
218 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
219 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
220 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
66e89522 JW |
221 | /* Realtek MCE IR Receiver */ |
222 | { USB_DEVICE(VENDOR_REALTEK, 0x0161) }, | |
223 | /* SMK/Toshiba G83C0004D410 */ | |
37dbd3a6 MCC |
224 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
225 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 226 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
227 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
228 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 229 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
230 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
231 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
232 | /* SMK eHome Infrared Transceiver */ |
233 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
234 | /* Tatung eHome Infrared Transceiver */ | |
235 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
236 | /* Shuttle eHome Infrared Transceiver */ | |
237 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
238 | /* Shuttle eHome Infrared Transceiver */ | |
239 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
240 | /* Gateway eHome Infrared Transceiver */ | |
241 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
242 | /* Mitsumi */ | |
243 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
244 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
245 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
246 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 247 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
248 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
249 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 250 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
251 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
252 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 253 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
254 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
255 | .driver_info = MCE_GEN3 }, | |
66e89522 | 256 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
257 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
258 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 259 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
260 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
261 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
262 | /* Ricavision internal Infrared Transceiver */ |
263 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
264 | /* Itron ione Libra Q-11 */ | |
265 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
266 | /* FIC eHome Infrared Transceiver */ | |
267 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
268 | /* LG eHome Infrared Transceiver */ | |
269 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
270 | /* Microsoft MCE Infrared Transceiver */ | |
271 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
272 | /* Formosa eHome Infrared Transceiver */ | |
273 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
274 | /* Formosa21 / eHome Infrared Receiver */ | |
275 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
276 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
277 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017) }, | |
278 | /* Formosa Industrial Computing / Beanbag Emulation Device */ | |
279 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
280 | /* Formosa21 / eHome Infrared Receiver */ | |
281 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
282 | /* Formosa Industrial Computing AIM IR605/A */ | |
283 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
284 | /* Formosa Industrial Computing */ | |
285 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
fbb1f1b0 JW |
286 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
287 | { USB_DEVICE(VENDOR_FINTEK, 0x5168) }, | |
66e89522 JW |
288 | /* Fintek eHome Infrared Transceiver */ |
289 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
290 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
291 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
292 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
293 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
294 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
295 | /* Elitegroup Computer Systems IR */ |
296 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
297 | /* Wistron Corp. eHome Infrared Receiver */ | |
298 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
299 | /* Compro K100 */ | |
300 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
301 | /* Compro K100 v2 */ | |
302 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
303 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
304 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
305 | /* TiVo PC IR Receiver */ | |
306 | { USB_DEVICE(VENDOR_TIVO, 0x2000) }, | |
6f6c625d | 307 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
308 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
309 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
310 | /* Conexant Hybrid TV RDU253S Polaris */ |
311 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
312 | .driver_info = CX_HYBRID_TV }, | |
66e89522 JW |
313 | /* Terminating entry */ |
314 | { } | |
315 | }; | |
316 | ||
66e89522 JW |
317 | /* data structure for each usb transceiver */ |
318 | struct mceusb_dev { | |
319 | /* ir-core bits */ | |
66e89522 | 320 | struct ir_dev_props *props; |
2ee95db2 JW |
321 | |
322 | /* optional features we can enable */ | |
323 | bool carrier_report_enabled; | |
324 | bool learning_enabled; | |
66e89522 JW |
325 | |
326 | /* core device bits */ | |
327 | struct device *dev; | |
328 | struct input_dev *idev; | |
329 | ||
330 | /* usb */ | |
331 | struct usb_device *usbdev; | |
332 | struct urb *urb_in; | |
333 | struct usb_endpoint_descriptor *usb_ep_in; | |
334 | struct usb_endpoint_descriptor *usb_ep_out; | |
335 | ||
336 | /* buffers and dma */ | |
337 | unsigned char *buf_in; | |
338 | unsigned int len_in; | |
2ee95db2 JW |
339 | dma_addr_t dma_in; |
340 | dma_addr_t dma_out; | |
39dc5c3a MCC |
341 | |
342 | enum { | |
343 | CMD_HEADER = 0, | |
344 | SUBCMD, | |
345 | CMD_DATA, | |
346 | PARSE_IRDATA, | |
347 | } parser_state; | |
39dc5c3a | 348 | |
2ee95db2 | 349 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
350 | |
351 | struct { | |
352 | u32 connected:1; | |
657290b6 | 353 | u32 tx_mask_inverted:1; |
66e89522 | 354 | u32 microsoft_gen1:1; |
6f6c625d | 355 | u32 no_tx:1; |
66e89522 JW |
356 | } flags; |
357 | ||
e23fb964 | 358 | /* transmit support */ |
66e89522 | 359 | int send_flags; |
e23fb964 JW |
360 | u32 carrier; |
361 | unsigned char tx_mask; | |
66e89522 JW |
362 | |
363 | char name[128]; | |
364 | char phys[64]; | |
37dbd3a6 | 365 | enum mceusb_model_type model; |
66e89522 JW |
366 | }; |
367 | ||
368 | /* | |
369 | * MCE Device Command Strings | |
370 | * Device command responses vary from device to device... | |
371 | * - DEVICE_RESET resets the hardware to its default state | |
372 | * - GET_REVISION fetches the hardware/software revision, common | |
373 | * replies are ff 0b 45 ff 1b 08 and ff 0b 50 ff 1b 42 | |
374 | * - GET_CARRIER_FREQ gets the carrier mode and frequency of the | |
375 | * device, with replies in the form of 9f 06 MM FF, where MM is 0-3, | |
376 | * meaning clk of 10000000, 2500000, 625000 or 156250, and FF is | |
377 | * ((clk / frequency) - 1) | |
378 | * - GET_RX_TIMEOUT fetches the receiver timeout in units of 50us, | |
379 | * response in the form of 9f 0c msb lsb | |
380 | * - GET_TX_BITMASK fetches the transmitter bitmask, replies in | |
381 | * the form of 9f 08 bm, where bm is the bitmask | |
382 | * - GET_RX_SENSOR fetches the RX sensor setting -- long-range | |
383 | * general use one or short-range learning one, in the form of | |
384 | * 9f 14 ss, where ss is either 01 for long-range or 02 for short | |
385 | * - SET_CARRIER_FREQ sets a new carrier mode and frequency | |
386 | * - SET_TX_BITMASK sets the transmitter bitmask | |
387 | * - SET_RX_TIMEOUT sets the receiver timeout | |
388 | * - SET_RX_SENSOR sets which receiver sensor to use | |
389 | */ | |
4a883918 JW |
390 | static char DEVICE_RESET[] = {MCE_COMMAND_NULL, MCE_HW_CMD_HEADER, |
391 | MCE_CMD_DEVICE_RESET}; | |
392 | static char GET_REVISION[] = {MCE_HW_CMD_HEADER, MCE_CMD_G_REVISION}; | |
393 | static char GET_UNKNOWN[] = {MCE_HW_CMD_HEADER, MCE_CMD_UNKNOWN7}; | |
394 | static char GET_UNKNOWN2[] = {MCE_COMMAND_HEADER, MCE_CMD_UNKNOWN2}; | |
395 | static char GET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, MCE_CMD_G_CARRIER}; | |
396 | static char GET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TIMEOUT}; | |
397 | static char GET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TXMASK}; | |
398 | static char GET_RX_SENSOR[] = {MCE_COMMAND_HEADER, MCE_CMD_G_RXSENSOR}; | |
66e89522 JW |
399 | /* sub in desired values in lower byte or bytes for full command */ |
400 | /* FIXME: make use of these for transmit. | |
4a883918 JW |
401 | static char SET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, |
402 | MCE_CMD_S_CARRIER, 0x00, 0x00}; | |
403 | static char SET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_S_TXMASK, 0x00}; | |
404 | static char SET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, | |
405 | MCE_CMD_S_TIMEOUT, 0x00, 0x00}; | |
406 | static char SET_RX_SENSOR[] = {MCE_COMMAND_HEADER, | |
407 | MCE_CMD_S_RXSENSOR, 0x00}; | |
66e89522 JW |
408 | */ |
409 | ||
39dc5c3a MCC |
410 | static int mceusb_cmdsize(u8 cmd, u8 subcmd) |
411 | { | |
412 | int datasize = 0; | |
413 | ||
414 | switch (cmd) { | |
4a883918 JW |
415 | case MCE_COMMAND_NULL: |
416 | if (subcmd == MCE_HW_CMD_HEADER) | |
39dc5c3a MCC |
417 | datasize = 1; |
418 | break; | |
4a883918 | 419 | case MCE_HW_CMD_HEADER: |
39dc5c3a | 420 | switch (subcmd) { |
4a883918 | 421 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
422 | datasize = 2; |
423 | break; | |
424 | } | |
4a883918 | 425 | case MCE_COMMAND_HEADER: |
39dc5c3a | 426 | switch (subcmd) { |
4a883918 JW |
427 | case MCE_CMD_UNKNOWN: |
428 | case MCE_CMD_S_CARRIER: | |
429 | case MCE_CMD_S_TIMEOUT: | |
2ee95db2 | 430 | case MCE_RSP_PULSE_COUNT: |
39dc5c3a MCC |
431 | datasize = 2; |
432 | break; | |
1cd50f25 | 433 | case MCE_CMD_SIG_END: |
4a883918 JW |
434 | case MCE_CMD_S_TXMASK: |
435 | case MCE_CMD_S_RXSENSOR: | |
39dc5c3a MCC |
436 | datasize = 1; |
437 | break; | |
438 | } | |
439 | } | |
440 | return datasize; | |
441 | } | |
442 | ||
66e89522 | 443 | static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, |
36e9d260 | 444 | int offset, int len, bool out) |
66e89522 JW |
445 | { |
446 | char codes[USB_BUFLEN * 3 + 1]; | |
447 | char inout[9]; | |
66e89522 JW |
448 | u8 cmd, subcmd, data1, data2; |
449 | struct device *dev = ir->dev; | |
36e9d260 JW |
450 | int i, start, skip = 0; |
451 | ||
452 | if (!debug) | |
453 | return; | |
66e89522 | 454 | |
657290b6 | 455 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 456 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 457 | skip = 2; |
66e89522 | 458 | |
36e9d260 | 459 | if (len <= skip) |
66e89522 JW |
460 | return; |
461 | ||
462 | for (i = 0; i < len && i < USB_BUFLEN; i++) | |
36e9d260 | 463 | snprintf(codes + i * 3, 4, "%02x ", buf[i + offset] & 0xff); |
66e89522 | 464 | |
36e9d260 | 465 | dev_info(dev, "%sx data: %s(length=%d)\n", |
66e89522 JW |
466 | (out ? "t" : "r"), codes, len); |
467 | ||
468 | if (out) | |
469 | strcpy(inout, "Request\0"); | |
470 | else | |
471 | strcpy(inout, "Got\0"); | |
472 | ||
36e9d260 JW |
473 | start = offset + skip; |
474 | cmd = buf[start] & 0xff; | |
475 | subcmd = buf[start + 1] & 0xff; | |
476 | data1 = buf[start + 2] & 0xff; | |
477 | data2 = buf[start + 3] & 0xff; | |
66e89522 JW |
478 | |
479 | switch (cmd) { | |
4a883918 JW |
480 | case MCE_COMMAND_NULL: |
481 | if ((subcmd == MCE_HW_CMD_HEADER) && | |
482 | (data1 == MCE_CMD_DEVICE_RESET)) | |
66e89522 JW |
483 | dev_info(dev, "Device reset requested\n"); |
484 | else | |
485 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
486 | cmd, subcmd); | |
487 | break; | |
4a883918 | 488 | case MCE_HW_CMD_HEADER: |
66e89522 | 489 | switch (subcmd) { |
4a883918 | 490 | case MCE_CMD_G_REVISION: |
66e89522 JW |
491 | if (len == 2) |
492 | dev_info(dev, "Get hw/sw rev?\n"); | |
493 | else | |
494 | dev_info(dev, "hw/sw rev 0x%02x 0x%02x " | |
495 | "0x%02x 0x%02x\n", data1, data2, | |
36e9d260 | 496 | buf[start + 4], buf[start + 5]); |
66e89522 | 497 | break; |
4a883918 | 498 | case MCE_CMD_DEVICE_RESET: |
66e89522 JW |
499 | dev_info(dev, "Device reset requested\n"); |
500 | break; | |
4a883918 | 501 | case MCE_RSP_CMD_INVALID: |
66e89522 JW |
502 | dev_info(dev, "Previous command not supported\n"); |
503 | break; | |
4a883918 JW |
504 | case MCE_CMD_UNKNOWN7: |
505 | case MCE_CMD_UNKNOWN9: | |
66e89522 JW |
506 | default: |
507 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
508 | cmd, subcmd); | |
509 | break; | |
510 | } | |
511 | break; | |
4a883918 | 512 | case MCE_COMMAND_HEADER: |
66e89522 | 513 | switch (subcmd) { |
1cd50f25 JW |
514 | case MCE_CMD_SIG_END: |
515 | dev_info(dev, "End of signal\n"); | |
516 | break; | |
4a883918 | 517 | case MCE_CMD_PING: |
66e89522 JW |
518 | dev_info(dev, "Ping\n"); |
519 | break; | |
4a883918 | 520 | case MCE_CMD_UNKNOWN: |
66e89522 JW |
521 | dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n", |
522 | data1, data2); | |
523 | break; | |
4a883918 | 524 | case MCE_CMD_S_CARRIER: |
66e89522 JW |
525 | dev_info(dev, "%s carrier mode and freq of " |
526 | "0x%02x 0x%02x\n", inout, data1, data2); | |
527 | break; | |
4a883918 | 528 | case MCE_CMD_G_CARRIER: |
66e89522 JW |
529 | dev_info(dev, "Get carrier mode and freq\n"); |
530 | break; | |
4a883918 | 531 | case MCE_CMD_S_TXMASK: |
66e89522 JW |
532 | dev_info(dev, "%s transmit blaster mask of 0x%02x\n", |
533 | inout, data1); | |
534 | break; | |
4a883918 | 535 | case MCE_CMD_S_TIMEOUT: |
66e89522 JW |
536 | /* value is in units of 50us, so x*50/100 or x/2 ms */ |
537 | dev_info(dev, "%s receive timeout of %d ms\n", | |
538 | inout, ((data1 << 8) | data2) / 2); | |
539 | break; | |
4a883918 | 540 | case MCE_CMD_G_TIMEOUT: |
66e89522 JW |
541 | dev_info(dev, "Get receive timeout\n"); |
542 | break; | |
4a883918 | 543 | case MCE_CMD_G_TXMASK: |
66e89522 JW |
544 | dev_info(dev, "Get transmit blaster mask\n"); |
545 | break; | |
4a883918 | 546 | case MCE_CMD_S_RXSENSOR: |
66e89522 JW |
547 | dev_info(dev, "%s %s-range receive sensor in use\n", |
548 | inout, data1 == 0x02 ? "short" : "long"); | |
549 | break; | |
4a883918 | 550 | case MCE_CMD_G_RXSENSOR: |
2ee95db2 JW |
551 | /* aka MCE_RSP_PULSE_COUNT */ |
552 | if (out) | |
66e89522 | 553 | dev_info(dev, "Get receive sensor\n"); |
2ee95db2 JW |
554 | else if (ir->learning_enabled) |
555 | dev_info(dev, "RX pulse count: %d\n", | |
66e89522 JW |
556 | ((data1 << 8) | data2)); |
557 | break; | |
4a883918 | 558 | case MCE_RSP_CMD_INVALID: |
66e89522 JW |
559 | dev_info(dev, "Error! Hardware is likely wedged...\n"); |
560 | break; | |
4a883918 JW |
561 | case MCE_CMD_UNKNOWN2: |
562 | case MCE_CMD_UNKNOWN3: | |
563 | case MCE_CMD_UNKNOWN5: | |
66e89522 JW |
564 | default: |
565 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
566 | cmd, subcmd); | |
567 | break; | |
568 | } | |
569 | break; | |
570 | default: | |
571 | break; | |
572 | } | |
36e9d260 JW |
573 | |
574 | if (cmd == MCE_IRDATA_TRAILER) | |
575 | dev_info(dev, "End of raw IR data\n"); | |
576 | else if ((cmd != MCE_COMMAND_HEADER) && | |
577 | ((cmd & MCE_COMMAND_MASK) == MCE_COMMAND_IRDATA)) | |
578 | dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem); | |
66e89522 JW |
579 | } |
580 | ||
7c294402 | 581 | static void mce_async_callback(struct urb *urb, struct pt_regs *regs) |
66e89522 JW |
582 | { |
583 | struct mceusb_dev *ir; | |
584 | int len; | |
585 | ||
586 | if (!urb) | |
587 | return; | |
588 | ||
589 | ir = urb->context; | |
590 | if (ir) { | |
591 | len = urb->actual_length; | |
592 | ||
593 | dev_dbg(ir->dev, "callback called (status=%d len=%d)\n", | |
594 | urb->status, len); | |
595 | ||
36e9d260 | 596 | mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true); |
66e89522 JW |
597 | } |
598 | ||
599 | } | |
600 | ||
601 | /* request incoming or send outgoing usb packet - used to initialize remote */ | |
602 | static void mce_request_packet(struct mceusb_dev *ir, | |
603 | struct usb_endpoint_descriptor *ep, | |
604 | unsigned char *data, int size, int urb_type) | |
605 | { | |
606 | int res; | |
607 | struct urb *async_urb; | |
608 | struct device *dev = ir->dev; | |
609 | unsigned char *async_buf; | |
610 | ||
611 | if (urb_type == MCEUSB_TX) { | |
612 | async_urb = usb_alloc_urb(0, GFP_KERNEL); | |
613 | if (unlikely(!async_urb)) { | |
614 | dev_err(dev, "Error, couldn't allocate urb!\n"); | |
615 | return; | |
616 | } | |
617 | ||
618 | async_buf = kzalloc(size, GFP_KERNEL); | |
619 | if (!async_buf) { | |
620 | dev_err(dev, "Error, couldn't allocate buf!\n"); | |
621 | usb_free_urb(async_urb); | |
622 | return; | |
623 | } | |
624 | ||
625 | /* outbound data */ | |
626 | usb_fill_int_urb(async_urb, ir->usbdev, | |
627 | usb_sndintpipe(ir->usbdev, ep->bEndpointAddress), | |
7c294402 | 628 | async_buf, size, (usb_complete_t)mce_async_callback, |
66e89522 JW |
629 | ir, ep->bInterval); |
630 | memcpy(async_buf, data, size); | |
631 | ||
632 | } else if (urb_type == MCEUSB_RX) { | |
633 | /* standard request */ | |
634 | async_urb = ir->urb_in; | |
635 | ir->send_flags = RECV_FLAG_IN_PROGRESS; | |
636 | ||
637 | } else { | |
638 | dev_err(dev, "Error! Unknown urb type %d\n", urb_type); | |
639 | return; | |
640 | } | |
641 | ||
642 | dev_dbg(dev, "receive request called (size=%#x)\n", size); | |
643 | ||
644 | async_urb->transfer_buffer_length = size; | |
645 | async_urb->dev = ir->usbdev; | |
646 | ||
647 | res = usb_submit_urb(async_urb, GFP_ATOMIC); | |
648 | if (res) { | |
649 | dev_dbg(dev, "receive request FAILED! (res=%d)\n", res); | |
650 | return; | |
651 | } | |
652 | dev_dbg(dev, "receive request complete (res=%d)\n", res); | |
653 | } | |
654 | ||
655 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
656 | { | |
657 | mce_request_packet(ir, ir->usb_ep_out, data, size, MCEUSB_TX); | |
658 | } | |
659 | ||
660 | static void mce_sync_in(struct mceusb_dev *ir, unsigned char *data, int size) | |
661 | { | |
662 | mce_request_packet(ir, ir->usb_ep_in, data, size, MCEUSB_RX); | |
663 | } | |
664 | ||
e23fb964 JW |
665 | /* Send data out the IR blaster port(s) */ |
666 | static int mceusb_tx_ir(void *priv, int *txbuf, u32 n) | |
667 | { | |
668 | struct mceusb_dev *ir = priv; | |
669 | int i, ret = 0; | |
670 | int count, cmdcount = 0; | |
671 | unsigned char *cmdbuf; /* MCE command buffer */ | |
672 | long signal_duration = 0; /* Singnal length in us */ | |
673 | struct timeval start_time, end_time; | |
674 | ||
675 | do_gettimeofday(&start_time); | |
676 | ||
677 | count = n / sizeof(int); | |
678 | ||
679 | cmdbuf = kzalloc(sizeof(int) * MCE_CMDBUF_SIZE, GFP_KERNEL); | |
680 | if (!cmdbuf) | |
681 | return -ENOMEM; | |
682 | ||
683 | /* MCE tx init header */ | |
4a883918 JW |
684 | cmdbuf[cmdcount++] = MCE_COMMAND_HEADER; |
685 | cmdbuf[cmdcount++] = MCE_CMD_S_TXMASK; | |
e23fb964 JW |
686 | cmdbuf[cmdcount++] = ir->tx_mask; |
687 | ||
688 | /* Generate mce packet data */ | |
689 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
690 | signal_duration += txbuf[i]; | |
691 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; | |
692 | ||
693 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
694 | ||
695 | /* Insert mce packet header every 4th entry */ | |
696 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
697 | (cmdcount - MCE_TX_HEADER_LENGTH) % | |
698 | MCE_CODE_LENGTH == 0) | |
4a883918 | 699 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
700 | |
701 | /* Insert mce packet data */ | |
702 | if (cmdcount < MCE_CMDBUF_SIZE) | |
703 | cmdbuf[cmdcount++] = | |
704 | (txbuf[i] < MCE_PULSE_BIT ? | |
705 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
706 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
707 | else { | |
708 | ret = -EINVAL; | |
709 | goto out; | |
710 | } | |
711 | ||
712 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
713 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
714 | } | |
715 | ||
716 | /* Fix packet length in last header */ | |
717 | cmdbuf[cmdcount - (cmdcount - MCE_TX_HEADER_LENGTH) % MCE_CODE_LENGTH] = | |
4a883918 JW |
718 | MCE_COMMAND_IRDATA + (cmdcount - MCE_TX_HEADER_LENGTH) % |
719 | MCE_CODE_LENGTH - 1; | |
e23fb964 JW |
720 | |
721 | /* Check if we have room for the empty packet at the end */ | |
722 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
723 | ret = -EINVAL; | |
724 | goto out; | |
725 | } | |
726 | ||
727 | /* All mce commands end with an empty packet (0x80) */ | |
4a883918 | 728 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
729 | |
730 | /* Transmit the command to the mce device */ | |
731 | mce_async_out(ir, cmdbuf, cmdcount); | |
732 | ||
733 | /* | |
734 | * The lircd gap calculation expects the write function to | |
735 | * wait the time it takes for the ircommand to be sent before | |
736 | * it returns. | |
737 | */ | |
738 | do_gettimeofday(&end_time); | |
739 | signal_duration -= (end_time.tv_usec - start_time.tv_usec) + | |
740 | (end_time.tv_sec - start_time.tv_sec) * 1000000; | |
741 | ||
742 | /* delay with the closest number of ticks */ | |
743 | set_current_state(TASK_INTERRUPTIBLE); | |
744 | schedule_timeout(usecs_to_jiffies(signal_duration)); | |
745 | ||
746 | out: | |
747 | kfree(cmdbuf); | |
748 | return ret ? ret : n; | |
749 | } | |
750 | ||
6f6c625d | 751 | /* Sets active IR outputs -- mce devices typically have two */ |
657290b6 JW |
752 | static int mceusb_set_tx_mask(void *priv, u32 mask) |
753 | { | |
754 | struct mceusb_dev *ir = priv; | |
755 | ||
756 | if (ir->flags.tx_mask_inverted) | |
4a883918 JW |
757 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
758 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
759 | else |
760 | ir->tx_mask = mask; | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
e23fb964 JW |
765 | /* Sets the send carrier frequency and mode */ |
766 | static int mceusb_set_tx_carrier(void *priv, u32 carrier) | |
767 | { | |
768 | struct mceusb_dev *ir = priv; | |
769 | int clk = 10000000; | |
770 | int prescaler = 0, divisor = 0; | |
4a883918 JW |
771 | unsigned char cmdbuf[4] = { MCE_COMMAND_HEADER, |
772 | MCE_CMD_S_CARRIER, 0x00, 0x00 }; | |
e23fb964 JW |
773 | |
774 | /* Carrier has changed */ | |
775 | if (ir->carrier != carrier) { | |
776 | ||
777 | if (carrier == 0) { | |
778 | ir->carrier = carrier; | |
1cd50f25 | 779 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 780 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
781 | dev_dbg(ir->dev, "%s: disabling carrier " |
782 | "modulation\n", __func__); | |
783 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
784 | return carrier; | |
785 | } | |
786 | ||
787 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
788 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 789 | if (divisor <= 0xff) { |
e23fb964 JW |
790 | ir->carrier = carrier; |
791 | cmdbuf[2] = prescaler; | |
792 | cmdbuf[3] = divisor; | |
793 | dev_dbg(ir->dev, "%s: requesting %u HZ " | |
794 | "carrier\n", __func__, carrier); | |
795 | ||
796 | /* Transmit new carrier to mce device */ | |
797 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
798 | return carrier; | |
799 | } | |
800 | } | |
801 | ||
802 | return -EINVAL; | |
803 | ||
804 | } | |
805 | ||
806 | return carrier; | |
807 | } | |
808 | ||
2ee95db2 JW |
809 | /* |
810 | * We don't do anything but print debug spew for many of the command bits | |
811 | * we receive from the hardware, but some of them are useful information | |
812 | * we want to store so that we can use them. | |
813 | */ | |
814 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
815 | { | |
816 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
817 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
818 | ||
819 | switch (ir->buf_in[index]) { | |
820 | /* 2-byte return value commands */ | |
821 | case MCE_CMD_S_TIMEOUT: | |
822 | ir->props->timeout = MS_TO_NS((hi << 8 | lo) / 2); | |
823 | break; | |
824 | ||
825 | /* 1-byte return value commands */ | |
826 | case MCE_CMD_S_TXMASK: | |
827 | ir->tx_mask = hi; | |
828 | break; | |
829 | case MCE_CMD_S_RXSENSOR: | |
830 | ir->learning_enabled = (hi == 0x02); | |
831 | break; | |
832 | default: | |
833 | break; | |
834 | } | |
835 | } | |
836 | ||
66e89522 JW |
837 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
838 | { | |
4651918a | 839 | DEFINE_IR_RAW_EVENT(rawir); |
39dc5c3a | 840 | int i = 0; |
66e89522 JW |
841 | |
842 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
843 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 844 | i = 2; |
66e89522 | 845 | |
29b4494b JW |
846 | /* if there's no data, just return now */ |
847 | if (buf_len <= i) | |
848 | return; | |
849 | ||
39dc5c3a MCC |
850 | for (; i < buf_len; i++) { |
851 | switch (ir->parser_state) { | |
852 | case SUBCMD: | |
853 | ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]); | |
36e9d260 JW |
854 | mceusb_dev_printdata(ir, ir->buf_in, i - 1, |
855 | ir->rem + 2, false); | |
2ee95db2 | 856 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
857 | ir->parser_state = CMD_DATA; |
858 | break; | |
859 | case PARSE_IRDATA: | |
66e89522 | 860 | ir->rem--; |
66e89522 JW |
861 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
862 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
2ee95db2 | 863 | * MS_TO_NS(MCE_TIME_UNIT); |
66e89522 | 864 | |
66e89522 JW |
865 | dev_dbg(ir->dev, "Storing %s with duration %d\n", |
866 | rawir.pulse ? "pulse" : "space", | |
867 | rawir.duration); | |
868 | ||
1cd50f25 | 869 | ir_raw_event_store_with_filter(ir->idev, &rawir); |
39dc5c3a MCC |
870 | break; |
871 | case CMD_DATA: | |
872 | ir->rem--; | |
873 | break; | |
874 | case CMD_HEADER: | |
875 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
876 | /* IR data packets can span USB messages - rem */ | |
877 | ir->cmd = ir->buf_in[i]; | |
4a883918 JW |
878 | if ((ir->cmd == MCE_COMMAND_HEADER) || |
879 | ((ir->cmd & MCE_COMMAND_MASK) != | |
880 | MCE_COMMAND_IRDATA)) { | |
39dc5c3a MCC |
881 | ir->parser_state = SUBCMD; |
882 | continue; | |
883 | } | |
884 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
2ee95db2 JW |
885 | mceusb_dev_printdata(ir, ir->buf_in, |
886 | i, ir->rem + 1, false); | |
1cd50f25 | 887 | if (ir->rem) |
39dc5c3a | 888 | ir->parser_state = PARSE_IRDATA; |
39dc5c3a | 889 | break; |
66e89522 JW |
890 | } |
891 | ||
39dc5c3a MCC |
892 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
893 | ir->parser_state = CMD_HEADER; | |
66e89522 | 894 | } |
39dc5c3a MCC |
895 | dev_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n"); |
896 | ir_raw_event_handle(ir->idev); | |
66e89522 JW |
897 | } |
898 | ||
66e89522 JW |
899 | static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) |
900 | { | |
901 | struct mceusb_dev *ir; | |
902 | int buf_len; | |
903 | ||
904 | if (!urb) | |
905 | return; | |
906 | ||
907 | ir = urb->context; | |
908 | if (!ir) { | |
909 | usb_unlink_urb(urb); | |
910 | return; | |
911 | } | |
912 | ||
913 | buf_len = urb->actual_length; | |
914 | ||
66e89522 JW |
915 | if (ir->send_flags == RECV_FLAG_IN_PROGRESS) { |
916 | ir->send_flags = SEND_FLAG_COMPLETE; | |
7a9fcb41 | 917 | dev_dbg(ir->dev, "setup answer received %d bytes\n", |
66e89522 JW |
918 | buf_len); |
919 | } | |
920 | ||
921 | switch (urb->status) { | |
922 | /* success */ | |
923 | case 0: | |
924 | mceusb_process_ir_data(ir, buf_len); | |
925 | break; | |
926 | ||
927 | case -ECONNRESET: | |
928 | case -ENOENT: | |
929 | case -ESHUTDOWN: | |
930 | usb_unlink_urb(urb); | |
931 | return; | |
932 | ||
933 | case -EPIPE: | |
934 | default: | |
39dc5c3a | 935 | dev_dbg(ir->dev, "Error: urb status = %d\n", urb->status); |
66e89522 JW |
936 | break; |
937 | } | |
938 | ||
939 | usb_submit_urb(urb, GFP_ATOMIC); | |
940 | } | |
941 | ||
942 | static void mceusb_gen1_init(struct mceusb_dev *ir) | |
943 | { | |
ca17a4f0 | 944 | int ret; |
22b0766b | 945 | int maxp = ir->len_in; |
66e89522 | 946 | struct device *dev = ir->dev; |
b48592e4 | 947 | char *data; |
657290b6 JW |
948 | |
949 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
950 | if (!data) { | |
951 | dev_err(dev, "%s: memory allocation failed!\n", __func__); | |
657290b6 JW |
952 | return; |
953 | } | |
66e89522 JW |
954 | |
955 | /* | |
b48592e4 | 956 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
957 | * on the receive control pipe and expect a certain value pair back |
958 | */ | |
66e89522 JW |
959 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
960 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 961 | data, USB_CTRL_MSG_SZ, HZ * 3); |
66e89522 JW |
962 | dev_dbg(dev, "%s - ret = %d\n", __func__, ret); |
963 | dev_dbg(dev, "%s - data[0] = %d, data[1] = %d\n", | |
964 | __func__, data[0], data[1]); | |
965 | ||
966 | /* set feature: bit rate 38400 bps */ | |
967 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
968 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
969 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
970 | ||
971 | dev_dbg(dev, "%s - ret = %d\n", __func__, ret); | |
972 | ||
973 | /* bRequest 4: set char length to 8 bits */ | |
974 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
975 | 4, USB_TYPE_VENDOR, | |
976 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
977 | dev_dbg(dev, "%s - retB = %d\n", __func__, ret); | |
978 | ||
979 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
980 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
981 | 2, USB_TYPE_VENDOR, | |
982 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
983 | dev_dbg(dev, "%s - retC = %d\n", __func__, ret); | |
657290b6 | 984 | |
22b0766b JW |
985 | /* device reset */ |
986 | mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); | |
987 | mce_sync_in(ir, NULL, maxp); | |
988 | ||
989 | /* get hw/sw revision? */ | |
990 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
991 | mce_sync_in(ir, NULL, maxp); | |
992 | ||
657290b6 | 993 | kfree(data); |
66e89522 JW |
994 | }; |
995 | ||
996 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
997 | { | |
998 | int maxp = ir->len_in; | |
999 | ||
66e89522 JW |
1000 | /* device reset */ |
1001 | mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); | |
1002 | mce_sync_in(ir, NULL, maxp); | |
1003 | ||
1004 | /* get hw/sw revision? */ | |
1005 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
1006 | mce_sync_in(ir, NULL, maxp); | |
1007 | ||
22b0766b | 1008 | /* unknown what the next two actually return... */ |
66e89522 JW |
1009 | mce_async_out(ir, GET_UNKNOWN, sizeof(GET_UNKNOWN)); |
1010 | mce_sync_in(ir, NULL, maxp); | |
22b0766b JW |
1011 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
1012 | mce_sync_in(ir, NULL, maxp); | |
66e89522 JW |
1013 | } |
1014 | ||
22b0766b | 1015 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 JW |
1016 | { |
1017 | int maxp = ir->len_in; | |
1018 | ||
66e89522 JW |
1019 | /* get the carrier and frequency */ |
1020 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
1021 | mce_sync_in(ir, NULL, maxp); | |
1022 | ||
6f6c625d JW |
1023 | if (!ir->flags.no_tx) { |
1024 | /* get the transmitter bitmask */ | |
1025 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
1026 | mce_sync_in(ir, NULL, maxp); | |
1027 | } | |
66e89522 JW |
1028 | |
1029 | /* get receiver timeout value */ | |
1030 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
1031 | mce_sync_in(ir, NULL, maxp); | |
1032 | ||
1033 | /* get receiver sensor setting */ | |
1034 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
1035 | mce_sync_in(ir, NULL, maxp); | |
1036 | } | |
1037 | ||
1038 | static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir) | |
1039 | { | |
1040 | struct input_dev *idev; | |
1041 | struct ir_dev_props *props; | |
66e89522 | 1042 | struct device *dev = ir->dev; |
17c2b1fd | 1043 | const char *rc_map = RC_MAP_RC6_MCE; |
3459d455 | 1044 | const char *name = "Media Center Ed. eHome Infrared Remote Transceiver"; |
66e89522 JW |
1045 | int ret = -ENODEV; |
1046 | ||
1047 | idev = input_allocate_device(); | |
1048 | if (!idev) { | |
1049 | dev_err(dev, "remote input dev allocation failed\n"); | |
1050 | goto idev_alloc_failed; | |
1051 | } | |
1052 | ||
1053 | ret = -ENOMEM; | |
1054 | props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); | |
1055 | if (!props) { | |
1056 | dev_err(dev, "remote ir dev props allocation failed\n"); | |
1057 | goto props_alloc_failed; | |
1058 | } | |
1059 | ||
3459d455 MCC |
1060 | if (mceusb_model[ir->model].name) |
1061 | name = mceusb_model[ir->model].name; | |
1062 | ||
1063 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", | |
1064 | name, | |
66e89522 JW |
1065 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1066 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1067 | ||
66e89522 | 1068 | idev->name = ir->name; |
66e89522 JW |
1069 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
1070 | strlcat(ir->phys, "/input0", sizeof(ir->phys)); | |
1071 | idev->phys = ir->phys; | |
1072 | ||
66e89522 JW |
1073 | props->priv = ir; |
1074 | props->driver_type = RC_DRIVER_IR_RAW; | |
1075 | props->allowed_protos = IR_TYPE_ALL; | |
6f6c625d JW |
1076 | if (!ir->flags.no_tx) { |
1077 | props->s_tx_mask = mceusb_set_tx_mask; | |
1078 | props->s_tx_carrier = mceusb_set_tx_carrier; | |
1079 | props->tx_ir = mceusb_tx_ir; | |
1080 | } | |
66e89522 JW |
1081 | |
1082 | ir->props = props; | |
66e89522 | 1083 | |
635f76b2 PB |
1084 | usb_to_input_id(ir->usbdev, &idev->id); |
1085 | idev->dev.parent = ir->dev; | |
1086 | ||
17c2b1fd MCC |
1087 | if (mceusb_model[ir->model].rc_map) |
1088 | rc_map = mceusb_model[ir->model].rc_map; | |
1089 | ||
1090 | ret = ir_input_register(idev, rc_map, props, DRIVER_NAME); | |
66e89522 JW |
1091 | if (ret < 0) { |
1092 | dev_err(dev, "remote input device register failed\n"); | |
1093 | goto irdev_failed; | |
1094 | } | |
1095 | ||
1096 | return idev; | |
1097 | ||
1098 | irdev_failed: | |
66e89522 JW |
1099 | kfree(props); |
1100 | props_alloc_failed: | |
1101 | input_free_device(idev); | |
1102 | idev_alloc_failed: | |
1103 | return NULL; | |
1104 | } | |
1105 | ||
1106 | static int __devinit mceusb_dev_probe(struct usb_interface *intf, | |
1107 | const struct usb_device_id *id) | |
1108 | { | |
1109 | struct usb_device *dev = interface_to_usbdev(intf); | |
1110 | struct usb_host_interface *idesc; | |
1111 | struct usb_endpoint_descriptor *ep = NULL; | |
1112 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1113 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1114 | struct mceusb_dev *ir = NULL; |
d732a72d | 1115 | int pipe, maxp, i; |
66e89522 | 1116 | char buf[63], name[128] = ""; |
37dbd3a6 | 1117 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1118 | bool is_gen3; |
1119 | bool is_microsoft_gen1; | |
657290b6 | 1120 | bool tx_mask_inverted; |
56e92f60 | 1121 | bool is_polaris; |
66e89522 | 1122 | |
1cd50f25 | 1123 | dev_dbg(&intf->dev, "%s called\n", __func__); |
66e89522 | 1124 | |
66e89522 JW |
1125 | idesc = intf->cur_altsetting; |
1126 | ||
37dbd3a6 MCC |
1127 | is_gen3 = mceusb_model[model].mce_gen3; |
1128 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
1129 | tx_mask_inverted = mceusb_model[model].tx_mask_inverted; | |
1130 | is_polaris = mceusb_model[model].is_polaris; | |
56e92f60 MCC |
1131 | |
1132 | if (is_polaris) { | |
1133 | /* Interface 0 is IR */ | |
1134 | if (idesc->desc.bInterfaceNumber) | |
1135 | return -ENODEV; | |
1136 | } | |
66e89522 JW |
1137 | |
1138 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1139 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1140 | ep = &idesc->endpoint[i].desc; | |
1141 | ||
1142 | if ((ep_in == NULL) | |
1143 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1144 | == USB_DIR_IN) | |
1145 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1146 | == USB_ENDPOINT_XFER_BULK) | |
1147 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1148 | == USB_ENDPOINT_XFER_INT))) { | |
1149 | ||
66e89522 JW |
1150 | ep_in = ep; |
1151 | ep_in->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1152 | ep_in->bInterval = 1; |
1cd50f25 | 1153 | dev_dbg(&intf->dev, "acceptable inbound endpoint " |
d732a72d | 1154 | "found\n"); |
66e89522 JW |
1155 | } |
1156 | ||
1157 | if ((ep_out == NULL) | |
1158 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1159 | == USB_DIR_OUT) | |
1160 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1161 | == USB_ENDPOINT_XFER_BULK) | |
1162 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1163 | == USB_ENDPOINT_XFER_INT))) { | |
1164 | ||
66e89522 JW |
1165 | ep_out = ep; |
1166 | ep_out->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1167 | ep_out->bInterval = 1; |
1cd50f25 | 1168 | dev_dbg(&intf->dev, "acceptable outbound endpoint " |
d732a72d | 1169 | "found\n"); |
66e89522 JW |
1170 | } |
1171 | } | |
1172 | if (ep_in == NULL) { | |
1cd50f25 | 1173 | dev_dbg(&intf->dev, "inbound and/or endpoint not found\n"); |
66e89522 JW |
1174 | return -ENODEV; |
1175 | } | |
1176 | ||
1177 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1178 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
1179 | ||
1180 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1181 | if (!ir) | |
1182 | goto mem_alloc_fail; | |
1183 | ||
1184 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); | |
1185 | if (!ir->buf_in) | |
1186 | goto buf_in_alloc_fail; | |
1187 | ||
1188 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1189 | if (!ir->urb_in) | |
1190 | goto urb_in_alloc_fail; | |
1191 | ||
1192 | ir->usbdev = dev; | |
1193 | ir->dev = &intf->dev; | |
1194 | ir->len_in = maxp; | |
66e89522 | 1195 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
657290b6 | 1196 | ir->flags.tx_mask_inverted = tx_mask_inverted; |
6f6c625d | 1197 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1198 | ir->model = model; |
1199 | ||
66e89522 JW |
1200 | /* Saving usb interface data for use by the transmitter routine */ |
1201 | ir->usb_ep_in = ep_in; | |
1202 | ir->usb_ep_out = ep_out; | |
1203 | ||
1204 | if (dev->descriptor.iManufacturer | |
1205 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1206 | buf, sizeof(buf)) > 0) | |
1207 | strlcpy(name, buf, sizeof(name)); | |
1208 | if (dev->descriptor.iProduct | |
1209 | && usb_string(dev, dev->descriptor.iProduct, | |
1210 | buf, sizeof(buf)) > 0) | |
1211 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1212 | " %s", buf); | |
1213 | ||
1214 | ir->idev = mceusb_init_input_dev(ir); | |
1215 | if (!ir->idev) | |
1216 | goto input_dev_fail; | |
1217 | ||
b48592e4 JW |
1218 | /* flush buffers on the device */ |
1219 | mce_sync_in(ir, NULL, maxp); | |
1220 | mce_sync_in(ir, NULL, maxp); | |
1221 | ||
1222 | /* wire up inbound data handler */ | |
66e89522 JW |
1223 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, |
1224 | maxp, (usb_complete_t) mceusb_dev_recv, ir, ep_in->bInterval); | |
1225 | ir->urb_in->transfer_dma = ir->dma_in; | |
1226 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1227 | ||
66e89522 | 1228 | /* initialize device */ |
22b0766b | 1229 | if (ir->flags.microsoft_gen1) |
66e89522 | 1230 | mceusb_gen1_init(ir); |
22b0766b | 1231 | else if (!is_gen3) |
66e89522 JW |
1232 | mceusb_gen2_init(ir); |
1233 | ||
22b0766b | 1234 | mceusb_get_parameters(ir); |
66e89522 | 1235 | |
6f6c625d JW |
1236 | if (!ir->flags.no_tx) |
1237 | mceusb_set_tx_mask(ir, MCE_DEFAULT_TX_MASK); | |
66e89522 JW |
1238 | |
1239 | usb_set_intfdata(intf, ir); | |
1240 | ||
1241 | dev_info(&intf->dev, "Registered %s on usb%d:%d\n", name, | |
1242 | dev->bus->busnum, dev->devnum); | |
1243 | ||
1244 | return 0; | |
1245 | ||
1246 | /* Error-handling path */ | |
1247 | input_dev_fail: | |
1248 | usb_free_urb(ir->urb_in); | |
1249 | urb_in_alloc_fail: | |
1250 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1251 | buf_in_alloc_fail: | |
1252 | kfree(ir); | |
1253 | mem_alloc_fail: | |
1254 | dev_err(&intf->dev, "%s: device setup failed!\n", __func__); | |
1255 | ||
1256 | return -ENOMEM; | |
1257 | } | |
1258 | ||
1259 | ||
1260 | static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) | |
1261 | { | |
1262 | struct usb_device *dev = interface_to_usbdev(intf); | |
1263 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1264 | ||
1265 | usb_set_intfdata(intf, NULL); | |
1266 | ||
1267 | if (!ir) | |
1268 | return; | |
1269 | ||
1270 | ir->usbdev = NULL; | |
bd3881b1 | 1271 | ir_input_unregister(ir->idev); |
66e89522 JW |
1272 | usb_kill_urb(ir->urb_in); |
1273 | usb_free_urb(ir->urb_in); | |
1274 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
1275 | ||
1276 | kfree(ir); | |
1277 | } | |
1278 | ||
1279 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1280 | { | |
1281 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1282 | dev_info(ir->dev, "suspend\n"); | |
1283 | usb_kill_urb(ir->urb_in); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1288 | { | |
1289 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1290 | dev_info(ir->dev, "resume\n"); | |
1291 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) | |
1292 | return -EIO; | |
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | static struct usb_driver mceusb_dev_driver = { | |
1297 | .name = DRIVER_NAME, | |
1298 | .probe = mceusb_dev_probe, | |
1299 | .disconnect = mceusb_dev_disconnect, | |
1300 | .suspend = mceusb_dev_suspend, | |
1301 | .resume = mceusb_dev_resume, | |
1302 | .reset_resume = mceusb_dev_resume, | |
1303 | .id_table = mceusb_dev_table | |
1304 | }; | |
1305 | ||
1306 | static int __init mceusb_dev_init(void) | |
1307 | { | |
1308 | int ret; | |
1309 | ||
1310 | ret = usb_register(&mceusb_dev_driver); | |
1311 | if (ret < 0) | |
1312 | printk(KERN_ERR DRIVER_NAME | |
1313 | ": usb register failed, result = %d\n", ret); | |
1314 | ||
1315 | return ret; | |
1316 | } | |
1317 | ||
1318 | static void __exit mceusb_dev_exit(void) | |
1319 | { | |
1320 | usb_deregister(&mceusb_dev_driver); | |
1321 | } | |
1322 | ||
1323 | module_init(mceusb_dev_init); | |
1324 | module_exit(mceusb_dev_exit); | |
1325 | ||
1326 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1327 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1328 | MODULE_LICENSE("GPL"); | |
1329 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); | |
1330 | ||
1331 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1332 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |