Commit | Line | Data |
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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> | |
635f76b2 PB |
38 | #include <linux/usb.h> |
39 | #include <linux/usb/input.h> | |
6bda9644 | 40 | #include <media/rc-core.h> |
66e89522 JW |
41 | |
42 | #define DRIVER_VERSION "1.91" | |
43 | #define DRIVER_AUTHOR "Jarod Wilson <jarod@wilsonet.com>" | |
44 | #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ | |
45 | "device driver" | |
46 | #define DRIVER_NAME "mceusb" | |
47 | ||
4a883918 JW |
48 | #define USB_BUFLEN 32 /* USB reception buffer length */ |
49 | #define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */ | |
50 | #define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */ | |
66e89522 JW |
51 | |
52 | /* MCE constants */ | |
4a883918 JW |
53 | #define MCE_CMDBUF_SIZE 384 /* MCE Command buffer length */ |
54 | #define MCE_TIME_UNIT 50 /* Approx 50us resolution */ | |
55 | #define MCE_CODE_LENGTH 5 /* Normal length of packet (with header) */ | |
56 | #define MCE_PACKET_SIZE 4 /* Normal length of packet (without header) */ | |
57 | #define MCE_IRDATA_HEADER 0x84 /* Actual header format is 0x80 + num_bytes */ | |
58 | #define MCE_IRDATA_TRAILER 0x80 /* End of IR data */ | |
59 | #define MCE_TX_HEADER_LENGTH 3 /* # of bytes in the initializing tx header */ | |
60 | #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ | |
61 | #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ | |
62 | #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ | |
63 | #define MCE_PULSE_MASK 0x7f /* Pulse mask */ | |
64 | #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ | |
65 | ||
66 | #define MCE_HW_CMD_HEADER 0xff /* MCE hardware command header */ | |
67 | #define MCE_COMMAND_HEADER 0x9f /* MCE command header */ | |
68 | #define MCE_COMMAND_MASK 0xe0 /* Mask out command bits */ | |
69 | #define MCE_COMMAND_NULL 0x00 /* These show up various places... */ | |
70 | /* if buf[i] & MCE_COMMAND_MASK == 0x80 and buf[i] != MCE_COMMAND_HEADER, | |
71 | * then we're looking at a raw IR data sample */ | |
72 | #define MCE_COMMAND_IRDATA 0x80 | |
73 | #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ | |
74 | ||
75 | /* Sub-commands, which follow MCE_COMMAND_HEADER or MCE_HW_CMD_HEADER */ | |
1cd50f25 | 76 | #define MCE_CMD_SIG_END 0x01 /* End of signal */ |
4a883918 JW |
77 | #define MCE_CMD_PING 0x03 /* Ping device */ |
78 | #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ | |
79 | #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ | |
80 | #define MCE_CMD_S_CARRIER 0x06 /* Set TX carrier frequency */ | |
81 | #define MCE_CMD_G_CARRIER 0x07 /* Get TX carrier frequency */ | |
82 | #define MCE_CMD_S_TXMASK 0x08 /* Set TX port bitmask */ | |
83 | #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ | |
84 | #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ | |
85 | #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ | |
86 | #define MCE_CMD_S_TIMEOUT 0x0c /* Set RX timeout value */ | |
87 | #define MCE_CMD_G_TIMEOUT 0x0d /* Get RX timeout value */ | |
88 | #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ | |
89 | #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ | |
90 | #define MCE_CMD_G_RXPORTSTS 0x11 /* Get RX port status */ | |
91 | #define MCE_CMD_G_TXMASK 0x13 /* Set TX port bitmask */ | |
92 | #define MCE_CMD_S_RXSENSOR 0x14 /* Set RX sensor (std/learning) */ | |
93 | #define MCE_CMD_G_RXSENSOR 0x15 /* Get RX sensor (std/learning) */ | |
2ee95db2 | 94 | #define MCE_RSP_PULSE_COUNT 0x15 /* RX pulse count (only if learning) */ |
4a883918 JW |
95 | #define MCE_CMD_TX_PORTS 0x16 /* Get number of TX ports */ |
96 | #define MCE_CMD_G_WAKESRC 0x17 /* Get wake source */ | |
97 | #define MCE_CMD_UNKNOWN7 0x18 /* Unknown */ | |
98 | #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ | |
99 | #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ | |
100 | #define MCE_CMD_DEVICE_RESET 0xaa /* Reset the hardware */ | |
101 | #define MCE_RSP_CMD_INVALID 0xfe /* Invalid command issued */ | |
66e89522 JW |
102 | |
103 | ||
104 | /* module parameters */ | |
105 | #ifdef CONFIG_USB_DEBUG | |
106 | static int debug = 1; | |
107 | #else | |
108 | static int debug; | |
109 | #endif | |
110 | ||
5ae8f9a3 JW |
111 | #define mce_dbg(dev, fmt, ...) \ |
112 | do { \ | |
113 | if (debug) \ | |
114 | dev_info(dev, fmt, ## __VA_ARGS__); \ | |
115 | } while (0) | |
116 | ||
66e89522 JW |
117 | /* general constants */ |
118 | #define SEND_FLAG_IN_PROGRESS 1 | |
119 | #define SEND_FLAG_COMPLETE 2 | |
120 | #define RECV_FLAG_IN_PROGRESS 3 | |
121 | #define RECV_FLAG_COMPLETE 4 | |
122 | ||
123 | #define MCEUSB_RX 1 | |
124 | #define MCEUSB_TX 2 | |
125 | ||
126 | #define VENDOR_PHILIPS 0x0471 | |
127 | #define VENDOR_SMK 0x0609 | |
128 | #define VENDOR_TATUNG 0x1460 | |
129 | #define VENDOR_GATEWAY 0x107b | |
130 | #define VENDOR_SHUTTLE 0x1308 | |
131 | #define VENDOR_SHUTTLE2 0x051c | |
132 | #define VENDOR_MITSUMI 0x03ee | |
133 | #define VENDOR_TOPSEED 0x1784 | |
134 | #define VENDOR_RICAVISION 0x179d | |
135 | #define VENDOR_ITRON 0x195d | |
136 | #define VENDOR_FIC 0x1509 | |
137 | #define VENDOR_LG 0x043e | |
138 | #define VENDOR_MICROSOFT 0x045e | |
139 | #define VENDOR_FORMOSA 0x147a | |
140 | #define VENDOR_FINTEK 0x1934 | |
141 | #define VENDOR_PINNACLE 0x2304 | |
142 | #define VENDOR_ECS 0x1019 | |
143 | #define VENDOR_WISTRON 0x0fb8 | |
144 | #define VENDOR_COMPRO 0x185b | |
145 | #define VENDOR_NORTHSTAR 0x04eb | |
146 | #define VENDOR_REALTEK 0x0bda | |
147 | #define VENDOR_TIVO 0x105a | |
56e92f60 | 148 | #define VENDOR_CONEXANT 0x0572 |
66e89522 | 149 | |
37dbd3a6 MCC |
150 | enum mceusb_model_type { |
151 | MCE_GEN2 = 0, /* Most boards */ | |
152 | MCE_GEN1, | |
153 | MCE_GEN3, | |
154 | MCE_GEN2_TX_INV, | |
155 | POLARIS_EVK, | |
6f6c625d | 156 | CX_HYBRID_TV, |
a6994eb0 | 157 | MULTIFUNCTION, |
d8ee99e7 | 158 | TIVO_KIT, |
2faa0ca8 | 159 | MCE_GEN2_NO_TX, |
37dbd3a6 MCC |
160 | }; |
161 | ||
162 | struct mceusb_model { | |
163 | u32 mce_gen1:1; | |
164 | u32 mce_gen2:1; | |
165 | u32 mce_gen3:1; | |
d8cc7fd7 | 166 | u32 tx_mask_normal:1; |
6f6c625d | 167 | u32 no_tx:1; |
37dbd3a6 | 168 | |
a6994eb0 JW |
169 | int ir_intfnum; |
170 | ||
17c2b1fd | 171 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 172 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
173 | }; |
174 | ||
175 | static const struct mceusb_model mceusb_model[] = { | |
176 | [MCE_GEN1] = { | |
177 | .mce_gen1 = 1, | |
d8cc7fd7 | 178 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
179 | }, |
180 | [MCE_GEN2] = { | |
181 | .mce_gen2 = 1, | |
182 | }, | |
2faa0ca8 JW |
183 | [MCE_GEN2_NO_TX] = { |
184 | .mce_gen2 = 1, | |
185 | .no_tx = 1, | |
186 | }, | |
37dbd3a6 MCC |
187 | [MCE_GEN2_TX_INV] = { |
188 | .mce_gen2 = 1, | |
d8cc7fd7 | 189 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
190 | }, |
191 | [MCE_GEN3] = { | |
192 | .mce_gen3 = 1, | |
d8cc7fd7 | 193 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
194 | }, |
195 | [POLARIS_EVK] = { | |
17c2b1fd MCC |
196 | /* |
197 | * In fact, the EVK is shipped without | |
198 | * remotes, but we should have something handy, | |
199 | * to allow testing it | |
200 | */ | |
15195d3a | 201 | .rc_map = RC_MAP_HAUPPAUGE, |
6f6c625d JW |
202 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
203 | }, | |
204 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
205 | .no_tx = 1, /* tx isn't wired up at all */ |
206 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 207 | }, |
a6994eb0 JW |
208 | [MULTIFUNCTION] = { |
209 | .mce_gen2 = 1, | |
210 | .ir_intfnum = 2, | |
211 | }, | |
d8ee99e7 JW |
212 | [TIVO_KIT] = { |
213 | .mce_gen2 = 1, | |
214 | .rc_map = RC_MAP_TIVO, | |
215 | }, | |
37dbd3a6 MCC |
216 | }; |
217 | ||
66e89522 JW |
218 | static struct usb_device_id mceusb_dev_table[] = { |
219 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ | |
37dbd3a6 MCC |
220 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
221 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
222 | /* Philips Infrared Transceiver - Sahara branded */ |
223 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
224 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
225 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
226 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
227 | /* Philips SRM5100 */ |
228 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
229 | /* Philips Infrared Transceiver - Omaura */ | |
230 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
231 | /* Philips Infrared Transceiver - Spinel plus */ | |
232 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
233 | /* Philips eHome Infrared Transceiver */ | |
234 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
235 | /* Philips/Spinel plus IR transceiver for ASUS */ |
236 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
237 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
238 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 JW |
239 | /* Philips IR transceiver (Dell branded) */ |
240 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093) }, | |
a6994eb0 JW |
241 | /* Realtek MCE IR Receiver and card reader */ |
242 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
243 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 244 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 MCC |
245 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
246 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 247 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
248 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
249 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 250 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
251 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
252 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
253 | /* SMK eHome Infrared Transceiver */ |
254 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
255 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
256 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
257 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
258 | /* Tatung eHome Infrared Transceiver */ |
259 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
260 | /* Shuttle eHome Infrared Transceiver */ | |
261 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
262 | /* Shuttle eHome Infrared Transceiver */ | |
263 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
264 | /* Gateway eHome Infrared Transceiver */ | |
265 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
266 | /* Mitsumi */ | |
267 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
268 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
269 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
270 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 271 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
272 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
273 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 274 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
275 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
276 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 277 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
278 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
279 | .driver_info = MCE_GEN3 }, | |
66e89522 | 280 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
281 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
282 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 283 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 284 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
7d9a46f9 | 285 | .driver_info = MCE_GEN3 }, |
66e89522 JW |
286 | /* Ricavision internal Infrared Transceiver */ |
287 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
288 | /* Itron ione Libra Q-11 */ | |
289 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
290 | /* FIC eHome Infrared Transceiver */ | |
291 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
292 | /* LG eHome Infrared Transceiver */ | |
293 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
294 | /* Microsoft MCE Infrared Transceiver */ | |
295 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
296 | /* Formosa eHome Infrared Transceiver */ | |
297 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
298 | /* Formosa21 / eHome Infrared Receiver */ | |
299 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
300 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
301 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
302 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
303 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
304 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
305 | /* Formosa21 / eHome Infrared Receiver */ | |
306 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
307 | /* Formosa Industrial Computing AIM IR605/A */ | |
308 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
309 | /* Formosa Industrial Computing */ | |
310 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
fbb1f1b0 JW |
311 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
312 | { USB_DEVICE(VENDOR_FINTEK, 0x5168) }, | |
66e89522 JW |
313 | /* Fintek eHome Infrared Transceiver */ |
314 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
315 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
316 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
317 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
318 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
319 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
320 | /* Elitegroup Computer Systems IR */ |
321 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
322 | /* Wistron Corp. eHome Infrared Receiver */ | |
323 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
324 | /* Compro K100 */ | |
325 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
326 | /* Compro K100 v2 */ | |
327 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
328 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
329 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
330 | /* TiVo PC IR Receiver */ | |
d8ee99e7 JW |
331 | { USB_DEVICE(VENDOR_TIVO, 0x2000), |
332 | .driver_info = TIVO_KIT }, | |
6f6c625d | 333 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
334 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
335 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
336 | /* Conexant Hybrid TV RDU253S Polaris */ |
337 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
338 | .driver_info = CX_HYBRID_TV }, | |
66e89522 JW |
339 | /* Terminating entry */ |
340 | { } | |
341 | }; | |
342 | ||
66e89522 JW |
343 | /* data structure for each usb transceiver */ |
344 | struct mceusb_dev { | |
345 | /* ir-core bits */ | |
d8b4b582 | 346 | struct rc_dev *rc; |
2ee95db2 JW |
347 | |
348 | /* optional features we can enable */ | |
349 | bool carrier_report_enabled; | |
350 | bool learning_enabled; | |
66e89522 JW |
351 | |
352 | /* core device bits */ | |
353 | struct device *dev; | |
66e89522 JW |
354 | |
355 | /* usb */ | |
356 | struct usb_device *usbdev; | |
357 | struct urb *urb_in; | |
358 | struct usb_endpoint_descriptor *usb_ep_in; | |
359 | struct usb_endpoint_descriptor *usb_ep_out; | |
360 | ||
361 | /* buffers and dma */ | |
362 | unsigned char *buf_in; | |
363 | unsigned int len_in; | |
2ee95db2 JW |
364 | dma_addr_t dma_in; |
365 | dma_addr_t dma_out; | |
39dc5c3a MCC |
366 | |
367 | enum { | |
368 | CMD_HEADER = 0, | |
369 | SUBCMD, | |
370 | CMD_DATA, | |
371 | PARSE_IRDATA, | |
372 | } parser_state; | |
39dc5c3a | 373 | |
2ee95db2 | 374 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
375 | |
376 | struct { | |
377 | u32 connected:1; | |
d8cc7fd7 | 378 | u32 tx_mask_normal:1; |
66e89522 | 379 | u32 microsoft_gen1:1; |
6f6c625d | 380 | u32 no_tx:1; |
66e89522 JW |
381 | } flags; |
382 | ||
e23fb964 | 383 | /* transmit support */ |
66e89522 | 384 | int send_flags; |
e23fb964 JW |
385 | u32 carrier; |
386 | unsigned char tx_mask; | |
66e89522 JW |
387 | |
388 | char name[128]; | |
389 | char phys[64]; | |
37dbd3a6 | 390 | enum mceusb_model_type model; |
66e89522 JW |
391 | }; |
392 | ||
393 | /* | |
394 | * MCE Device Command Strings | |
395 | * Device command responses vary from device to device... | |
396 | * - DEVICE_RESET resets the hardware to its default state | |
397 | * - GET_REVISION fetches the hardware/software revision, common | |
398 | * replies are ff 0b 45 ff 1b 08 and ff 0b 50 ff 1b 42 | |
399 | * - GET_CARRIER_FREQ gets the carrier mode and frequency of the | |
400 | * device, with replies in the form of 9f 06 MM FF, where MM is 0-3, | |
401 | * meaning clk of 10000000, 2500000, 625000 or 156250, and FF is | |
402 | * ((clk / frequency) - 1) | |
403 | * - GET_RX_TIMEOUT fetches the receiver timeout in units of 50us, | |
404 | * response in the form of 9f 0c msb lsb | |
405 | * - GET_TX_BITMASK fetches the transmitter bitmask, replies in | |
406 | * the form of 9f 08 bm, where bm is the bitmask | |
407 | * - GET_RX_SENSOR fetches the RX sensor setting -- long-range | |
408 | * general use one or short-range learning one, in the form of | |
409 | * 9f 14 ss, where ss is either 01 for long-range or 02 for short | |
410 | * - SET_CARRIER_FREQ sets a new carrier mode and frequency | |
411 | * - SET_TX_BITMASK sets the transmitter bitmask | |
412 | * - SET_RX_TIMEOUT sets the receiver timeout | |
413 | * - SET_RX_SENSOR sets which receiver sensor to use | |
414 | */ | |
4a883918 JW |
415 | static char DEVICE_RESET[] = {MCE_COMMAND_NULL, MCE_HW_CMD_HEADER, |
416 | MCE_CMD_DEVICE_RESET}; | |
417 | static char GET_REVISION[] = {MCE_HW_CMD_HEADER, MCE_CMD_G_REVISION}; | |
418 | static char GET_UNKNOWN[] = {MCE_HW_CMD_HEADER, MCE_CMD_UNKNOWN7}; | |
419 | static char GET_UNKNOWN2[] = {MCE_COMMAND_HEADER, MCE_CMD_UNKNOWN2}; | |
420 | static char GET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, MCE_CMD_G_CARRIER}; | |
421 | static char GET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TIMEOUT}; | |
422 | static char GET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_G_TXMASK}; | |
423 | static char GET_RX_SENSOR[] = {MCE_COMMAND_HEADER, MCE_CMD_G_RXSENSOR}; | |
66e89522 JW |
424 | /* sub in desired values in lower byte or bytes for full command */ |
425 | /* FIXME: make use of these for transmit. | |
4a883918 JW |
426 | static char SET_CARRIER_FREQ[] = {MCE_COMMAND_HEADER, |
427 | MCE_CMD_S_CARRIER, 0x00, 0x00}; | |
428 | static char SET_TX_BITMASK[] = {MCE_COMMAND_HEADER, MCE_CMD_S_TXMASK, 0x00}; | |
429 | static char SET_RX_TIMEOUT[] = {MCE_COMMAND_HEADER, | |
430 | MCE_CMD_S_TIMEOUT, 0x00, 0x00}; | |
431 | static char SET_RX_SENSOR[] = {MCE_COMMAND_HEADER, | |
432 | MCE_CMD_S_RXSENSOR, 0x00}; | |
66e89522 JW |
433 | */ |
434 | ||
39dc5c3a MCC |
435 | static int mceusb_cmdsize(u8 cmd, u8 subcmd) |
436 | { | |
437 | int datasize = 0; | |
438 | ||
439 | switch (cmd) { | |
4a883918 JW |
440 | case MCE_COMMAND_NULL: |
441 | if (subcmd == MCE_HW_CMD_HEADER) | |
39dc5c3a MCC |
442 | datasize = 1; |
443 | break; | |
4a883918 | 444 | case MCE_HW_CMD_HEADER: |
39dc5c3a | 445 | switch (subcmd) { |
4a883918 | 446 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
447 | datasize = 2; |
448 | break; | |
449 | } | |
4a883918 | 450 | case MCE_COMMAND_HEADER: |
39dc5c3a | 451 | switch (subcmd) { |
4a883918 JW |
452 | case MCE_CMD_UNKNOWN: |
453 | case MCE_CMD_S_CARRIER: | |
454 | case MCE_CMD_S_TIMEOUT: | |
2ee95db2 | 455 | case MCE_RSP_PULSE_COUNT: |
39dc5c3a MCC |
456 | datasize = 2; |
457 | break; | |
1cd50f25 | 458 | case MCE_CMD_SIG_END: |
4a883918 JW |
459 | case MCE_CMD_S_TXMASK: |
460 | case MCE_CMD_S_RXSENSOR: | |
39dc5c3a MCC |
461 | datasize = 1; |
462 | break; | |
463 | } | |
464 | } | |
465 | return datasize; | |
466 | } | |
467 | ||
66e89522 | 468 | static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, |
36e9d260 | 469 | int offset, int len, bool out) |
66e89522 JW |
470 | { |
471 | char codes[USB_BUFLEN * 3 + 1]; | |
472 | char inout[9]; | |
66e89522 JW |
473 | u8 cmd, subcmd, data1, data2; |
474 | struct device *dev = ir->dev; | |
36e9d260 JW |
475 | int i, start, skip = 0; |
476 | ||
477 | if (!debug) | |
478 | return; | |
66e89522 | 479 | |
657290b6 | 480 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 481 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 482 | skip = 2; |
66e89522 | 483 | |
36e9d260 | 484 | if (len <= skip) |
66e89522 JW |
485 | return; |
486 | ||
487 | for (i = 0; i < len && i < USB_BUFLEN; i++) | |
36e9d260 | 488 | snprintf(codes + i * 3, 4, "%02x ", buf[i + offset] & 0xff); |
66e89522 | 489 | |
36e9d260 | 490 | dev_info(dev, "%sx data: %s(length=%d)\n", |
66e89522 JW |
491 | (out ? "t" : "r"), codes, len); |
492 | ||
493 | if (out) | |
494 | strcpy(inout, "Request\0"); | |
495 | else | |
496 | strcpy(inout, "Got\0"); | |
497 | ||
36e9d260 JW |
498 | start = offset + skip; |
499 | cmd = buf[start] & 0xff; | |
500 | subcmd = buf[start + 1] & 0xff; | |
501 | data1 = buf[start + 2] & 0xff; | |
502 | data2 = buf[start + 3] & 0xff; | |
66e89522 JW |
503 | |
504 | switch (cmd) { | |
4a883918 JW |
505 | case MCE_COMMAND_NULL: |
506 | if ((subcmd == MCE_HW_CMD_HEADER) && | |
507 | (data1 == MCE_CMD_DEVICE_RESET)) | |
66e89522 JW |
508 | dev_info(dev, "Device reset requested\n"); |
509 | else | |
510 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
511 | cmd, subcmd); | |
512 | break; | |
4a883918 | 513 | case MCE_HW_CMD_HEADER: |
66e89522 | 514 | switch (subcmd) { |
4a883918 | 515 | case MCE_CMD_G_REVISION: |
66e89522 JW |
516 | if (len == 2) |
517 | dev_info(dev, "Get hw/sw rev?\n"); | |
518 | else | |
519 | dev_info(dev, "hw/sw rev 0x%02x 0x%02x " | |
520 | "0x%02x 0x%02x\n", data1, data2, | |
36e9d260 | 521 | buf[start + 4], buf[start + 5]); |
66e89522 | 522 | break; |
4a883918 | 523 | case MCE_CMD_DEVICE_RESET: |
66e89522 JW |
524 | dev_info(dev, "Device reset requested\n"); |
525 | break; | |
4a883918 | 526 | case MCE_RSP_CMD_INVALID: |
66e89522 JW |
527 | dev_info(dev, "Previous command not supported\n"); |
528 | break; | |
4a883918 JW |
529 | case MCE_CMD_UNKNOWN7: |
530 | case MCE_CMD_UNKNOWN9: | |
66e89522 JW |
531 | default: |
532 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
533 | cmd, subcmd); | |
534 | break; | |
535 | } | |
536 | break; | |
4a883918 | 537 | case MCE_COMMAND_HEADER: |
66e89522 | 538 | switch (subcmd) { |
1cd50f25 JW |
539 | case MCE_CMD_SIG_END: |
540 | dev_info(dev, "End of signal\n"); | |
541 | break; | |
4a883918 | 542 | case MCE_CMD_PING: |
66e89522 JW |
543 | dev_info(dev, "Ping\n"); |
544 | break; | |
4a883918 | 545 | case MCE_CMD_UNKNOWN: |
66e89522 JW |
546 | dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n", |
547 | data1, data2); | |
548 | break; | |
4a883918 | 549 | case MCE_CMD_S_CARRIER: |
66e89522 JW |
550 | dev_info(dev, "%s carrier mode and freq of " |
551 | "0x%02x 0x%02x\n", inout, data1, data2); | |
552 | break; | |
4a883918 | 553 | case MCE_CMD_G_CARRIER: |
66e89522 JW |
554 | dev_info(dev, "Get carrier mode and freq\n"); |
555 | break; | |
4a883918 | 556 | case MCE_CMD_S_TXMASK: |
66e89522 JW |
557 | dev_info(dev, "%s transmit blaster mask of 0x%02x\n", |
558 | inout, data1); | |
559 | break; | |
4a883918 | 560 | case MCE_CMD_S_TIMEOUT: |
66e89522 JW |
561 | /* value is in units of 50us, so x*50/100 or x/2 ms */ |
562 | dev_info(dev, "%s receive timeout of %d ms\n", | |
563 | inout, ((data1 << 8) | data2) / 2); | |
564 | break; | |
4a883918 | 565 | case MCE_CMD_G_TIMEOUT: |
66e89522 JW |
566 | dev_info(dev, "Get receive timeout\n"); |
567 | break; | |
4a883918 | 568 | case MCE_CMD_G_TXMASK: |
66e89522 JW |
569 | dev_info(dev, "Get transmit blaster mask\n"); |
570 | break; | |
4a883918 | 571 | case MCE_CMD_S_RXSENSOR: |
66e89522 JW |
572 | dev_info(dev, "%s %s-range receive sensor in use\n", |
573 | inout, data1 == 0x02 ? "short" : "long"); | |
574 | break; | |
4a883918 | 575 | case MCE_CMD_G_RXSENSOR: |
2ee95db2 JW |
576 | /* aka MCE_RSP_PULSE_COUNT */ |
577 | if (out) | |
66e89522 | 578 | dev_info(dev, "Get receive sensor\n"); |
2ee95db2 JW |
579 | else if (ir->learning_enabled) |
580 | dev_info(dev, "RX pulse count: %d\n", | |
66e89522 JW |
581 | ((data1 << 8) | data2)); |
582 | break; | |
4a883918 | 583 | case MCE_RSP_CMD_INVALID: |
66e89522 JW |
584 | dev_info(dev, "Error! Hardware is likely wedged...\n"); |
585 | break; | |
4a883918 JW |
586 | case MCE_CMD_UNKNOWN2: |
587 | case MCE_CMD_UNKNOWN3: | |
588 | case MCE_CMD_UNKNOWN5: | |
66e89522 JW |
589 | default: |
590 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
591 | cmd, subcmd); | |
592 | break; | |
593 | } | |
594 | break; | |
595 | default: | |
596 | break; | |
597 | } | |
36e9d260 JW |
598 | |
599 | if (cmd == MCE_IRDATA_TRAILER) | |
600 | dev_info(dev, "End of raw IR data\n"); | |
601 | else if ((cmd != MCE_COMMAND_HEADER) && | |
602 | ((cmd & MCE_COMMAND_MASK) == MCE_COMMAND_IRDATA)) | |
603 | dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem); | |
66e89522 JW |
604 | } |
605 | ||
7c294402 | 606 | static void mce_async_callback(struct urb *urb, struct pt_regs *regs) |
66e89522 JW |
607 | { |
608 | struct mceusb_dev *ir; | |
609 | int len; | |
610 | ||
611 | if (!urb) | |
612 | return; | |
613 | ||
614 | ir = urb->context; | |
615 | if (ir) { | |
616 | len = urb->actual_length; | |
617 | ||
5ae8f9a3 | 618 | mce_dbg(ir->dev, "callback called (status=%d len=%d)\n", |
66e89522 JW |
619 | urb->status, len); |
620 | ||
36e9d260 | 621 | mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true); |
66e89522 JW |
622 | } |
623 | ||
0b43fcdf JW |
624 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
625 | kfree(urb->transfer_buffer); | |
626 | usb_free_urb(urb); | |
66e89522 JW |
627 | } |
628 | ||
629 | /* request incoming or send outgoing usb packet - used to initialize remote */ | |
51ea6292 JW |
630 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
631 | int size, int urb_type) | |
66e89522 | 632 | { |
51ea6292 | 633 | int res, pipe; |
66e89522 JW |
634 | struct urb *async_urb; |
635 | struct device *dev = ir->dev; | |
636 | unsigned char *async_buf; | |
637 | ||
638 | if (urb_type == MCEUSB_TX) { | |
639 | async_urb = usb_alloc_urb(0, GFP_KERNEL); | |
640 | if (unlikely(!async_urb)) { | |
641 | dev_err(dev, "Error, couldn't allocate urb!\n"); | |
642 | return; | |
643 | } | |
644 | ||
645 | async_buf = kzalloc(size, GFP_KERNEL); | |
646 | if (!async_buf) { | |
647 | dev_err(dev, "Error, couldn't allocate buf!\n"); | |
648 | usb_free_urb(async_urb); | |
649 | return; | |
650 | } | |
651 | ||
652 | /* outbound data */ | |
51ea6292 JW |
653 | pipe = usb_sndintpipe(ir->usbdev, |
654 | ir->usb_ep_out->bEndpointAddress); | |
655 | usb_fill_int_urb(async_urb, ir->usbdev, pipe, | |
7c294402 | 656 | async_buf, size, (usb_complete_t)mce_async_callback, |
51ea6292 | 657 | ir, ir->usb_ep_out->bInterval); |
66e89522 JW |
658 | memcpy(async_buf, data, size); |
659 | ||
660 | } else if (urb_type == MCEUSB_RX) { | |
661 | /* standard request */ | |
662 | async_urb = ir->urb_in; | |
663 | ir->send_flags = RECV_FLAG_IN_PROGRESS; | |
664 | ||
665 | } else { | |
666 | dev_err(dev, "Error! Unknown urb type %d\n", urb_type); | |
667 | return; | |
668 | } | |
669 | ||
5ae8f9a3 | 670 | mce_dbg(dev, "receive request called (size=%#x)\n", size); |
66e89522 JW |
671 | |
672 | async_urb->transfer_buffer_length = size; | |
673 | async_urb->dev = ir->usbdev; | |
674 | ||
675 | res = usb_submit_urb(async_urb, GFP_ATOMIC); | |
676 | if (res) { | |
5ae8f9a3 | 677 | mce_dbg(dev, "receive request FAILED! (res=%d)\n", res); |
66e89522 JW |
678 | return; |
679 | } | |
5ae8f9a3 | 680 | mce_dbg(dev, "receive request complete (res=%d)\n", res); |
66e89522 JW |
681 | } |
682 | ||
683 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
684 | { | |
51ea6292 | 685 | mce_request_packet(ir, data, size, MCEUSB_TX); |
66e89522 JW |
686 | } |
687 | ||
3a918aa6 | 688 | static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size) |
66e89522 | 689 | { |
3a918aa6 | 690 | mce_request_packet(ir, NULL, size, MCEUSB_RX); |
66e89522 JW |
691 | } |
692 | ||
e23fb964 | 693 | /* Send data out the IR blaster port(s) */ |
d8b4b582 | 694 | static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) |
e23fb964 | 695 | { |
d8b4b582 | 696 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
697 | int i, ret = 0; |
698 | int count, cmdcount = 0; | |
699 | unsigned char *cmdbuf; /* MCE command buffer */ | |
700 | long signal_duration = 0; /* Singnal length in us */ | |
701 | struct timeval start_time, end_time; | |
702 | ||
703 | do_gettimeofday(&start_time); | |
704 | ||
705 | count = n / sizeof(int); | |
706 | ||
707 | cmdbuf = kzalloc(sizeof(int) * MCE_CMDBUF_SIZE, GFP_KERNEL); | |
708 | if (!cmdbuf) | |
709 | return -ENOMEM; | |
710 | ||
711 | /* MCE tx init header */ | |
4a883918 JW |
712 | cmdbuf[cmdcount++] = MCE_COMMAND_HEADER; |
713 | cmdbuf[cmdcount++] = MCE_CMD_S_TXMASK; | |
e23fb964 JW |
714 | cmdbuf[cmdcount++] = ir->tx_mask; |
715 | ||
716 | /* Generate mce packet data */ | |
717 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
718 | signal_duration += txbuf[i]; | |
719 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; | |
720 | ||
721 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
722 | ||
723 | /* Insert mce packet header every 4th entry */ | |
724 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
725 | (cmdcount - MCE_TX_HEADER_LENGTH) % | |
726 | MCE_CODE_LENGTH == 0) | |
4a883918 | 727 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
728 | |
729 | /* Insert mce packet data */ | |
730 | if (cmdcount < MCE_CMDBUF_SIZE) | |
731 | cmdbuf[cmdcount++] = | |
732 | (txbuf[i] < MCE_PULSE_BIT ? | |
733 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
734 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
735 | else { | |
736 | ret = -EINVAL; | |
737 | goto out; | |
738 | } | |
739 | ||
740 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
741 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
742 | } | |
743 | ||
744 | /* Fix packet length in last header */ | |
745 | cmdbuf[cmdcount - (cmdcount - MCE_TX_HEADER_LENGTH) % MCE_CODE_LENGTH] = | |
4a883918 JW |
746 | MCE_COMMAND_IRDATA + (cmdcount - MCE_TX_HEADER_LENGTH) % |
747 | MCE_CODE_LENGTH - 1; | |
e23fb964 JW |
748 | |
749 | /* Check if we have room for the empty packet at the end */ | |
750 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
751 | ret = -EINVAL; | |
752 | goto out; | |
753 | } | |
754 | ||
755 | /* All mce commands end with an empty packet (0x80) */ | |
4a883918 | 756 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
757 | |
758 | /* Transmit the command to the mce device */ | |
759 | mce_async_out(ir, cmdbuf, cmdcount); | |
760 | ||
761 | /* | |
762 | * The lircd gap calculation expects the write function to | |
763 | * wait the time it takes for the ircommand to be sent before | |
764 | * it returns. | |
765 | */ | |
766 | do_gettimeofday(&end_time); | |
767 | signal_duration -= (end_time.tv_usec - start_time.tv_usec) + | |
768 | (end_time.tv_sec - start_time.tv_sec) * 1000000; | |
769 | ||
770 | /* delay with the closest number of ticks */ | |
771 | set_current_state(TASK_INTERRUPTIBLE); | |
772 | schedule_timeout(usecs_to_jiffies(signal_duration)); | |
773 | ||
774 | out: | |
775 | kfree(cmdbuf); | |
776 | return ret ? ret : n; | |
777 | } | |
778 | ||
6f6c625d | 779 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 780 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 781 | { |
d8b4b582 | 782 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 783 | |
d8cc7fd7 JW |
784 | if (ir->flags.tx_mask_normal) |
785 | ir->tx_mask = mask; | |
786 | else | |
4a883918 JW |
787 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
788 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
789 | |
790 | return 0; | |
791 | } | |
792 | ||
e23fb964 | 793 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 794 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 795 | { |
d8b4b582 | 796 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
797 | int clk = 10000000; |
798 | int prescaler = 0, divisor = 0; | |
4a883918 JW |
799 | unsigned char cmdbuf[4] = { MCE_COMMAND_HEADER, |
800 | MCE_CMD_S_CARRIER, 0x00, 0x00 }; | |
e23fb964 JW |
801 | |
802 | /* Carrier has changed */ | |
803 | if (ir->carrier != carrier) { | |
804 | ||
805 | if (carrier == 0) { | |
806 | ir->carrier = carrier; | |
1cd50f25 | 807 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 808 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
5ae8f9a3 | 809 | mce_dbg(ir->dev, "%s: disabling carrier " |
e23fb964 JW |
810 | "modulation\n", __func__); |
811 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
812 | return carrier; | |
813 | } | |
814 | ||
815 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
816 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 817 | if (divisor <= 0xff) { |
e23fb964 JW |
818 | ir->carrier = carrier; |
819 | cmdbuf[2] = prescaler; | |
820 | cmdbuf[3] = divisor; | |
5ae8f9a3 | 821 | mce_dbg(ir->dev, "%s: requesting %u HZ " |
e23fb964 JW |
822 | "carrier\n", __func__, carrier); |
823 | ||
824 | /* Transmit new carrier to mce device */ | |
825 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
826 | return carrier; | |
827 | } | |
828 | } | |
829 | ||
830 | return -EINVAL; | |
831 | ||
832 | } | |
833 | ||
834 | return carrier; | |
835 | } | |
836 | ||
2ee95db2 JW |
837 | /* |
838 | * We don't do anything but print debug spew for many of the command bits | |
839 | * we receive from the hardware, but some of them are useful information | |
840 | * we want to store so that we can use them. | |
841 | */ | |
842 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
843 | { | |
844 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
845 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
846 | ||
847 | switch (ir->buf_in[index]) { | |
848 | /* 2-byte return value commands */ | |
849 | case MCE_CMD_S_TIMEOUT: | |
b4608fae | 850 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2); |
2ee95db2 JW |
851 | break; |
852 | ||
853 | /* 1-byte return value commands */ | |
854 | case MCE_CMD_S_TXMASK: | |
855 | ir->tx_mask = hi; | |
856 | break; | |
857 | case MCE_CMD_S_RXSENSOR: | |
858 | ir->learning_enabled = (hi == 0x02); | |
859 | break; | |
860 | default: | |
861 | break; | |
862 | } | |
863 | } | |
864 | ||
66e89522 JW |
865 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
866 | { | |
4651918a | 867 | DEFINE_IR_RAW_EVENT(rawir); |
39dc5c3a | 868 | int i = 0; |
66e89522 JW |
869 | |
870 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
871 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 872 | i = 2; |
66e89522 | 873 | |
29b4494b JW |
874 | /* if there's no data, just return now */ |
875 | if (buf_len <= i) | |
876 | return; | |
877 | ||
39dc5c3a MCC |
878 | for (; i < buf_len; i++) { |
879 | switch (ir->parser_state) { | |
880 | case SUBCMD: | |
881 | ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]); | |
36e9d260 JW |
882 | mceusb_dev_printdata(ir, ir->buf_in, i - 1, |
883 | ir->rem + 2, false); | |
2ee95db2 | 884 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
885 | ir->parser_state = CMD_DATA; |
886 | break; | |
887 | case PARSE_IRDATA: | |
66e89522 | 888 | ir->rem--; |
5bd9d73c | 889 | init_ir_raw_event(&rawir); |
66e89522 JW |
890 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
891 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
b4608fae | 892 | * US_TO_NS(MCE_TIME_UNIT); |
66e89522 | 893 | |
5ae8f9a3 | 894 | mce_dbg(ir->dev, "Storing %s with duration %d\n", |
66e89522 JW |
895 | rawir.pulse ? "pulse" : "space", |
896 | rawir.duration); | |
897 | ||
d8b4b582 | 898 | ir_raw_event_store_with_filter(ir->rc, &rawir); |
39dc5c3a MCC |
899 | break; |
900 | case CMD_DATA: | |
901 | ir->rem--; | |
902 | break; | |
903 | case CMD_HEADER: | |
904 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
905 | /* IR data packets can span USB messages - rem */ | |
906 | ir->cmd = ir->buf_in[i]; | |
4a883918 JW |
907 | if ((ir->cmd == MCE_COMMAND_HEADER) || |
908 | ((ir->cmd & MCE_COMMAND_MASK) != | |
909 | MCE_COMMAND_IRDATA)) { | |
39dc5c3a MCC |
910 | ir->parser_state = SUBCMD; |
911 | continue; | |
912 | } | |
913 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
2ee95db2 JW |
914 | mceusb_dev_printdata(ir, ir->buf_in, |
915 | i, ir->rem + 1, false); | |
1cd50f25 | 916 | if (ir->rem) |
39dc5c3a | 917 | ir->parser_state = PARSE_IRDATA; |
5bd9d73c JW |
918 | else |
919 | ir_raw_event_reset(ir->rc); | |
39dc5c3a | 920 | break; |
66e89522 JW |
921 | } |
922 | ||
39dc5c3a MCC |
923 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
924 | ir->parser_state = CMD_HEADER; | |
66e89522 | 925 | } |
5ae8f9a3 | 926 | mce_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n"); |
d8b4b582 | 927 | ir_raw_event_handle(ir->rc); |
66e89522 JW |
928 | } |
929 | ||
66e89522 JW |
930 | static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) |
931 | { | |
932 | struct mceusb_dev *ir; | |
933 | int buf_len; | |
934 | ||
935 | if (!urb) | |
936 | return; | |
937 | ||
938 | ir = urb->context; | |
939 | if (!ir) { | |
940 | usb_unlink_urb(urb); | |
941 | return; | |
942 | } | |
943 | ||
944 | buf_len = urb->actual_length; | |
945 | ||
66e89522 JW |
946 | if (ir->send_flags == RECV_FLAG_IN_PROGRESS) { |
947 | ir->send_flags = SEND_FLAG_COMPLETE; | |
5ae8f9a3 | 948 | mce_dbg(ir->dev, "setup answer received %d bytes\n", |
66e89522 JW |
949 | buf_len); |
950 | } | |
951 | ||
952 | switch (urb->status) { | |
953 | /* success */ | |
954 | case 0: | |
955 | mceusb_process_ir_data(ir, buf_len); | |
956 | break; | |
957 | ||
958 | case -ECONNRESET: | |
959 | case -ENOENT: | |
960 | case -ESHUTDOWN: | |
961 | usb_unlink_urb(urb); | |
962 | return; | |
963 | ||
964 | case -EPIPE: | |
965 | default: | |
5ae8f9a3 | 966 | mce_dbg(ir->dev, "Error: urb status = %d\n", urb->status); |
66e89522 JW |
967 | break; |
968 | } | |
969 | ||
970 | usb_submit_urb(urb, GFP_ATOMIC); | |
971 | } | |
972 | ||
973 | static void mceusb_gen1_init(struct mceusb_dev *ir) | |
974 | { | |
ca17a4f0 | 975 | int ret; |
66e89522 | 976 | struct device *dev = ir->dev; |
b48592e4 | 977 | char *data; |
657290b6 JW |
978 | |
979 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
980 | if (!data) { | |
981 | dev_err(dev, "%s: memory allocation failed!\n", __func__); | |
657290b6 JW |
982 | return; |
983 | } | |
66e89522 JW |
984 | |
985 | /* | |
b48592e4 | 986 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
987 | * on the receive control pipe and expect a certain value pair back |
988 | */ | |
66e89522 JW |
989 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
990 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 991 | data, USB_CTRL_MSG_SZ, HZ * 3); |
5ae8f9a3 JW |
992 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
993 | mce_dbg(dev, "%s - data[0] = %d, data[1] = %d\n", | |
66e89522 JW |
994 | __func__, data[0], data[1]); |
995 | ||
996 | /* set feature: bit rate 38400 bps */ | |
997 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
998 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
999 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
1000 | ||
5ae8f9a3 | 1001 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
66e89522 JW |
1002 | |
1003 | /* bRequest 4: set char length to 8 bits */ | |
1004 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1005 | 4, USB_TYPE_VENDOR, | |
1006 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1007 | mce_dbg(dev, "%s - retB = %d\n", __func__, ret); |
66e89522 JW |
1008 | |
1009 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1010 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1011 | 2, USB_TYPE_VENDOR, | |
1012 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1013 | mce_dbg(dev, "%s - retC = %d\n", __func__, ret); |
657290b6 | 1014 | |
22b0766b JW |
1015 | /* device reset */ |
1016 | mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); | |
22b0766b JW |
1017 | |
1018 | /* get hw/sw revision? */ | |
1019 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1020 | |
657290b6 | 1021 | kfree(data); |
66e89522 JW |
1022 | }; |
1023 | ||
1024 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1025 | { | |
66e89522 JW |
1026 | /* device reset */ |
1027 | mce_async_out(ir, DEVICE_RESET, sizeof(DEVICE_RESET)); | |
66e89522 JW |
1028 | |
1029 | /* get hw/sw revision? */ | |
1030 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
66e89522 | 1031 | |
22b0766b | 1032 | /* unknown what the next two actually return... */ |
66e89522 | 1033 | mce_async_out(ir, GET_UNKNOWN, sizeof(GET_UNKNOWN)); |
22b0766b | 1034 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1035 | } |
1036 | ||
22b0766b | 1037 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1038 | { |
66e89522 JW |
1039 | /* get the carrier and frequency */ |
1040 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1041 | |
3a918aa6 | 1042 | if (!ir->flags.no_tx) |
6f6c625d JW |
1043 | /* get the transmitter bitmask */ |
1044 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1045 | |
1046 | /* get receiver timeout value */ | |
1047 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1048 | |
1049 | /* get receiver sensor setting */ | |
1050 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
66e89522 JW |
1051 | } |
1052 | ||
d8b4b582 | 1053 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1054 | { |
66e89522 | 1055 | struct device *dev = ir->dev; |
d8b4b582 DH |
1056 | struct rc_dev *rc; |
1057 | int ret; | |
66e89522 | 1058 | |
d8b4b582 DH |
1059 | rc = rc_allocate_device(); |
1060 | if (!rc) { | |
1061 | dev_err(dev, "remote dev allocation failed\n"); | |
1062 | goto out; | |
66e89522 JW |
1063 | } |
1064 | ||
3459d455 | 1065 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1066 | mceusb_model[ir->model].name ? |
5ad1a555 | 1067 | mceusb_model[ir->model].name : |
d8b4b582 | 1068 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1069 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1070 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1071 | ||
66e89522 | 1072 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1073 | |
d8b4b582 DH |
1074 | rc->input_name = ir->name; |
1075 | rc->input_phys = ir->phys; | |
1076 | usb_to_input_id(ir->usbdev, &rc->input_id); | |
1077 | rc->dev.parent = dev; | |
1078 | rc->priv = ir; | |
1079 | rc->driver_type = RC_DRIVER_IR_RAW; | |
52b66144 | 1080 | rc->allowed_protos = RC_TYPE_ALL; |
b4608fae | 1081 | rc->timeout = US_TO_NS(1000); |
6f6c625d | 1082 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
1083 | rc->s_tx_mask = mceusb_set_tx_mask; |
1084 | rc->s_tx_carrier = mceusb_set_tx_carrier; | |
1085 | rc->tx_ir = mceusb_tx_ir; | |
6f6c625d | 1086 | } |
d8b4b582 DH |
1087 | rc->driver_name = DRIVER_NAME; |
1088 | rc->map_name = mceusb_model[ir->model].rc_map ? | |
1089 | mceusb_model[ir->model].rc_map : RC_MAP_RC6_MCE; | |
66e89522 | 1090 | |
d8b4b582 | 1091 | ret = rc_register_device(rc); |
66e89522 | 1092 | if (ret < 0) { |
d8b4b582 DH |
1093 | dev_err(dev, "remote dev registration failed\n"); |
1094 | goto out; | |
66e89522 JW |
1095 | } |
1096 | ||
d8b4b582 | 1097 | return rc; |
66e89522 | 1098 | |
d8b4b582 DH |
1099 | out: |
1100 | rc_free_device(rc); | |
66e89522 JW |
1101 | return NULL; |
1102 | } | |
1103 | ||
1104 | static int __devinit mceusb_dev_probe(struct usb_interface *intf, | |
1105 | const struct usb_device_id *id) | |
1106 | { | |
1107 | struct usb_device *dev = interface_to_usbdev(intf); | |
1108 | struct usb_host_interface *idesc; | |
1109 | struct usb_endpoint_descriptor *ep = NULL; | |
1110 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1111 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1112 | struct mceusb_dev *ir = NULL; |
d732a72d | 1113 | int pipe, maxp, i; |
66e89522 | 1114 | char buf[63], name[128] = ""; |
37dbd3a6 | 1115 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1116 | bool is_gen3; |
1117 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1118 | bool tx_mask_normal; |
a6994eb0 | 1119 | int ir_intfnum; |
66e89522 | 1120 | |
5ae8f9a3 | 1121 | mce_dbg(&intf->dev, "%s called\n", __func__); |
66e89522 | 1122 | |
66e89522 JW |
1123 | idesc = intf->cur_altsetting; |
1124 | ||
37dbd3a6 MCC |
1125 | is_gen3 = mceusb_model[model].mce_gen3; |
1126 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1127 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1128 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1129 | |
a6994eb0 JW |
1130 | /* There are multi-function devices with non-IR interfaces */ |
1131 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1132 | return -ENODEV; | |
66e89522 JW |
1133 | |
1134 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1135 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1136 | ep = &idesc->endpoint[i].desc; | |
1137 | ||
1138 | if ((ep_in == NULL) | |
1139 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1140 | == USB_DIR_IN) | |
1141 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1142 | == USB_ENDPOINT_XFER_BULK) | |
1143 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1144 | == USB_ENDPOINT_XFER_INT))) { | |
1145 | ||
66e89522 JW |
1146 | ep_in = ep; |
1147 | ep_in->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1148 | ep_in->bInterval = 1; |
5ae8f9a3 | 1149 | mce_dbg(&intf->dev, "acceptable inbound endpoint " |
d732a72d | 1150 | "found\n"); |
66e89522 JW |
1151 | } |
1152 | ||
1153 | if ((ep_out == NULL) | |
1154 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1155 | == USB_DIR_OUT) | |
1156 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1157 | == USB_ENDPOINT_XFER_BULK) | |
1158 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1159 | == USB_ENDPOINT_XFER_INT))) { | |
1160 | ||
66e89522 JW |
1161 | ep_out = ep; |
1162 | ep_out->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1163 | ep_out->bInterval = 1; |
5ae8f9a3 | 1164 | mce_dbg(&intf->dev, "acceptable outbound endpoint " |
d732a72d | 1165 | "found\n"); |
66e89522 JW |
1166 | } |
1167 | } | |
1168 | if (ep_in == NULL) { | |
5ae8f9a3 | 1169 | mce_dbg(&intf->dev, "inbound and/or endpoint not found\n"); |
66e89522 JW |
1170 | return -ENODEV; |
1171 | } | |
1172 | ||
1173 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1174 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
1175 | ||
1176 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1177 | if (!ir) | |
1178 | goto mem_alloc_fail; | |
1179 | ||
1180 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); | |
1181 | if (!ir->buf_in) | |
1182 | goto buf_in_alloc_fail; | |
1183 | ||
1184 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1185 | if (!ir->urb_in) | |
1186 | goto urb_in_alloc_fail; | |
1187 | ||
1188 | ir->usbdev = dev; | |
1189 | ir->dev = &intf->dev; | |
1190 | ir->len_in = maxp; | |
66e89522 | 1191 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1192 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1193 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1194 | ir->model = model; |
1195 | ||
66e89522 JW |
1196 | /* Saving usb interface data for use by the transmitter routine */ |
1197 | ir->usb_ep_in = ep_in; | |
1198 | ir->usb_ep_out = ep_out; | |
1199 | ||
1200 | if (dev->descriptor.iManufacturer | |
1201 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1202 | buf, sizeof(buf)) > 0) | |
1203 | strlcpy(name, buf, sizeof(name)); | |
1204 | if (dev->descriptor.iProduct | |
1205 | && usb_string(dev, dev->descriptor.iProduct, | |
1206 | buf, sizeof(buf)) > 0) | |
1207 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1208 | " %s", buf); | |
1209 | ||
d8b4b582 DH |
1210 | ir->rc = mceusb_init_rc_dev(ir); |
1211 | if (!ir->rc) | |
1212 | goto rc_dev_fail; | |
66e89522 | 1213 | |
b48592e4 | 1214 | /* wire up inbound data handler */ |
66e89522 JW |
1215 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, |
1216 | maxp, (usb_complete_t) mceusb_dev_recv, ir, ep_in->bInterval); | |
1217 | ir->urb_in->transfer_dma = ir->dma_in; | |
1218 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1219 | ||
3a918aa6 JW |
1220 | /* flush buffers on the device */ |
1221 | mce_dbg(&intf->dev, "Flushing receive buffers\n"); | |
1222 | mce_flush_rx_buffer(ir, maxp); | |
1223 | ||
66e89522 | 1224 | /* initialize device */ |
22b0766b | 1225 | if (ir->flags.microsoft_gen1) |
66e89522 | 1226 | mceusb_gen1_init(ir); |
22b0766b | 1227 | else if (!is_gen3) |
66e89522 JW |
1228 | mceusb_gen2_init(ir); |
1229 | ||
22b0766b | 1230 | mceusb_get_parameters(ir); |
66e89522 | 1231 | |
6f6c625d | 1232 | if (!ir->flags.no_tx) |
d8b4b582 | 1233 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1234 | |
1235 | usb_set_intfdata(intf, ir); | |
1236 | ||
1237 | dev_info(&intf->dev, "Registered %s on usb%d:%d\n", name, | |
1238 | dev->bus->busnum, dev->devnum); | |
1239 | ||
1240 | return 0; | |
1241 | ||
1242 | /* Error-handling path */ | |
d8b4b582 | 1243 | rc_dev_fail: |
66e89522 JW |
1244 | usb_free_urb(ir->urb_in); |
1245 | urb_in_alloc_fail: | |
1246 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1247 | buf_in_alloc_fail: | |
1248 | kfree(ir); | |
1249 | mem_alloc_fail: | |
1250 | dev_err(&intf->dev, "%s: device setup failed!\n", __func__); | |
1251 | ||
1252 | return -ENOMEM; | |
1253 | } | |
1254 | ||
1255 | ||
1256 | static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) | |
1257 | { | |
1258 | struct usb_device *dev = interface_to_usbdev(intf); | |
1259 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1260 | ||
1261 | usb_set_intfdata(intf, NULL); | |
1262 | ||
1263 | if (!ir) | |
1264 | return; | |
1265 | ||
1266 | ir->usbdev = NULL; | |
d8b4b582 | 1267 | rc_unregister_device(ir->rc); |
66e89522 JW |
1268 | usb_kill_urb(ir->urb_in); |
1269 | usb_free_urb(ir->urb_in); | |
1270 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
1271 | ||
1272 | kfree(ir); | |
1273 | } | |
1274 | ||
1275 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1276 | { | |
1277 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1278 | dev_info(ir->dev, "suspend\n"); | |
1279 | usb_kill_urb(ir->urb_in); | |
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1284 | { | |
1285 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1286 | dev_info(ir->dev, "resume\n"); | |
1287 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) | |
1288 | return -EIO; | |
1289 | return 0; | |
1290 | } | |
1291 | ||
1292 | static struct usb_driver mceusb_dev_driver = { | |
1293 | .name = DRIVER_NAME, | |
1294 | .probe = mceusb_dev_probe, | |
1295 | .disconnect = mceusb_dev_disconnect, | |
1296 | .suspend = mceusb_dev_suspend, | |
1297 | .resume = mceusb_dev_resume, | |
1298 | .reset_resume = mceusb_dev_resume, | |
1299 | .id_table = mceusb_dev_table | |
1300 | }; | |
1301 | ||
1302 | static int __init mceusb_dev_init(void) | |
1303 | { | |
1304 | int ret; | |
1305 | ||
1306 | ret = usb_register(&mceusb_dev_driver); | |
1307 | if (ret < 0) | |
1308 | printk(KERN_ERR DRIVER_NAME | |
1309 | ": usb register failed, result = %d\n", ret); | |
1310 | ||
1311 | return ret; | |
1312 | } | |
1313 | ||
1314 | static void __exit mceusb_dev_exit(void) | |
1315 | { | |
1316 | usb_deregister(&mceusb_dev_driver); | |
1317 | } | |
1318 | ||
1319 | module_init(mceusb_dev_init); | |
1320 | module_exit(mceusb_dev_exit); | |
1321 | ||
1322 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1323 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1324 | MODULE_LICENSE("GPL"); | |
1325 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); | |
1326 | ||
1327 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1328 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |