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66e89522 JW |
1 | /* |
2 | * Driver for USB Windows Media Center Ed. eHome Infrared Transceivers | |
3 | * | |
fda516b7 | 4 | * Copyright (c) 2010-2011, Jarod Wilson <jarod@redhat.com> |
66e89522 JW |
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 | * | |
fda516b7 JW |
18 | * Updated in July of 2011 with the aid of Microsoft's official |
19 | * remote/transceiver requirements and specification document, found at | |
20 | * download.microsoft.com, title | |
21 | * Windows-Media-Center-RC-IR-Collection-Green-Button-Specification-03-08-2011-V2.pdf | |
22 | * | |
66e89522 JW |
23 | * |
24 | * This program is free software; you can redistribute it and/or modify | |
25 | * it under the terms of the GNU General Public License as published by | |
26 | * the Free Software Foundation; either version 2 of the License, or | |
27 | * (at your option) any later version. | |
28 | * | |
29 | * This program is distributed in the hope that it will be useful, | |
30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
32 | * GNU General Public License for more details. | |
33 | * | |
66e89522 JW |
34 | */ |
35 | ||
36 | #include <linux/device.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/slab.h> | |
a06854a6 | 39 | #include <linux/workqueue.h> |
635f76b2 PB |
40 | #include <linux/usb.h> |
41 | #include <linux/usb/input.h> | |
fa334898 | 42 | #include <linux/pm_wakeup.h> |
6bda9644 | 43 | #include <media/rc-core.h> |
66e89522 | 44 | |
a06854a6 | 45 | #define DRIVER_VERSION "1.93" |
fda516b7 | 46 | #define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>" |
66e89522 JW |
47 | #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ |
48 | "device driver" | |
49 | #define DRIVER_NAME "mceusb" | |
50 | ||
4a883918 JW |
51 | #define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */ |
52 | #define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */ | |
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 */ | |
4a883918 JW |
61 | #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ |
62 | #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ | |
63 | #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ | |
64 | #define MCE_PULSE_MASK 0x7f /* Pulse mask */ | |
65 | #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ | |
66 | ||
a6fbd3b7 JW |
67 | /* |
68 | * The interface between the host and the IR hardware is command-response | |
69 | * based. All commands and responses have a consistent format, where a lead | |
70 | * byte always identifies the type of data following it. The lead byte has | |
71 | * a port value in the 3 highest bits and a length value in the 5 lowest | |
72 | * bits. | |
73 | * | |
74 | * The length field is overloaded, with a value of 11111 indicating that the | |
75 | * following byte is a command or response code, and the length of the entire | |
76 | * message is determined by the code. If the length field is not 11111, then | |
77 | * it specifies the number of bytes of port data that follow. | |
78 | */ | |
79 | #define MCE_CMD 0x1f | |
80 | #define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */ | |
81 | #define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */ | |
82 | #define MCE_PORT_SER 0x6 /* 0xc0 thru 0xdf flush & 0x1f bytes */ | |
6b4a16c3 | 83 | #define MCE_PORT_MASK 0xe0 /* Mask out command bits */ |
a6fbd3b7 JW |
84 | |
85 | /* Command port headers */ | |
86 | #define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */ | |
87 | #define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */ | |
88 | ||
89 | /* Commands that set device state (2-4 bytes in length) */ | |
90 | #define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */ | |
91 | #define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */ | |
92 | #define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */ | |
93 | #define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */ | |
94 | #define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */ | |
95 | #define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */ | |
96 | #define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */ | |
97 | ||
98 | /* Commands that query device state (all 2 bytes, unless noted) */ | |
99 | #define MCE_CMD_GETIRCFS 0x07 /* Get carrier */ | |
100 | #define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */ | |
101 | #define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */ | |
102 | #define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */ | |
103 | #define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */ | |
104 | #define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */ | |
105 | #define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */ | |
106 | #define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */ | |
107 | #define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */ | |
108 | #define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */ | |
109 | #define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */ | |
110 | ||
111 | /* Misc commands */ | |
112 | #define MCE_CMD_NOP 0xff /* No operation */ | |
113 | ||
114 | /* Responses to commands (non-error cases) */ | |
115 | #define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */ | |
116 | #define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */ | |
117 | #define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */ | |
118 | #define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */ | |
119 | #define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */ | |
120 | #define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */ | |
121 | #define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */ | |
122 | #define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */ | |
123 | #define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */ | |
124 | #define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */ | |
125 | #define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */ | |
126 | #define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */ | |
127 | #define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */ | |
128 | ||
129 | /* Responses to error cases, must send MCE_CMD_RESUME to clear them */ | |
130 | #define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */ | |
131 | #define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */ | |
132 | ||
133 | /* Misc commands/responses not defined in the MCE remote/transceiver spec */ | |
1cd50f25 | 134 | #define MCE_CMD_SIG_END 0x01 /* End of signal */ |
4a883918 JW |
135 | #define MCE_CMD_PING 0x03 /* Ping device */ |
136 | #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ | |
137 | #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ | |
4a883918 JW |
138 | #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ |
139 | #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ | |
140 | #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ | |
4a883918 JW |
141 | #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ |
142 | #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ | |
4a883918 JW |
143 | #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ |
144 | #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ | |
a6fbd3b7 | 145 | #define MCE_CMD_NULL 0x00 /* These show up various places... */ |
66e89522 | 146 | |
a6fbd3b7 JW |
147 | /* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR, |
148 | * then we're looking at a raw IR data sample */ | |
149 | #define MCE_COMMAND_IRDATA 0x80 | |
150 | #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ | |
66e89522 | 151 | |
66e89522 JW |
152 | #define VENDOR_PHILIPS 0x0471 |
153 | #define VENDOR_SMK 0x0609 | |
154 | #define VENDOR_TATUNG 0x1460 | |
155 | #define VENDOR_GATEWAY 0x107b | |
156 | #define VENDOR_SHUTTLE 0x1308 | |
157 | #define VENDOR_SHUTTLE2 0x051c | |
158 | #define VENDOR_MITSUMI 0x03ee | |
159 | #define VENDOR_TOPSEED 0x1784 | |
160 | #define VENDOR_RICAVISION 0x179d | |
161 | #define VENDOR_ITRON 0x195d | |
162 | #define VENDOR_FIC 0x1509 | |
163 | #define VENDOR_LG 0x043e | |
164 | #define VENDOR_MICROSOFT 0x045e | |
165 | #define VENDOR_FORMOSA 0x147a | |
166 | #define VENDOR_FINTEK 0x1934 | |
167 | #define VENDOR_PINNACLE 0x2304 | |
168 | #define VENDOR_ECS 0x1019 | |
169 | #define VENDOR_WISTRON 0x0fb8 | |
170 | #define VENDOR_COMPRO 0x185b | |
171 | #define VENDOR_NORTHSTAR 0x04eb | |
172 | #define VENDOR_REALTEK 0x0bda | |
173 | #define VENDOR_TIVO 0x105a | |
56e92f60 | 174 | #define VENDOR_CONEXANT 0x0572 |
a4de5f05 | 175 | #define VENDOR_TWISTEDMELON 0x2596 |
eda9dfd6 | 176 | #define VENDOR_HAUPPAUGE 0x2040 |
9683e01e | 177 | #define VENDOR_PCTV 0x2013 |
e186613a | 178 | #define VENDOR_ADAPTEC 0x03f3 |
66e89522 | 179 | |
37dbd3a6 MCC |
180 | enum mceusb_model_type { |
181 | MCE_GEN2 = 0, /* Most boards */ | |
182 | MCE_GEN1, | |
183 | MCE_GEN3, | |
184 | MCE_GEN2_TX_INV, | |
185 | POLARIS_EVK, | |
6f6c625d | 186 | CX_HYBRID_TV, |
a6994eb0 | 187 | MULTIFUNCTION, |
d8ee99e7 | 188 | TIVO_KIT, |
2faa0ca8 | 189 | MCE_GEN2_NO_TX, |
eda9dfd6 | 190 | HAUPPAUGE_CX_HYBRID_TV, |
37dbd3a6 MCC |
191 | }; |
192 | ||
193 | struct mceusb_model { | |
194 | u32 mce_gen1:1; | |
195 | u32 mce_gen2:1; | |
196 | u32 mce_gen3:1; | |
d8cc7fd7 | 197 | u32 tx_mask_normal:1; |
6f6c625d | 198 | u32 no_tx:1; |
37dbd3a6 | 199 | |
a6994eb0 JW |
200 | int ir_intfnum; |
201 | ||
17c2b1fd | 202 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 203 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
204 | }; |
205 | ||
206 | static const struct mceusb_model mceusb_model[] = { | |
207 | [MCE_GEN1] = { | |
208 | .mce_gen1 = 1, | |
d8cc7fd7 | 209 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
210 | }, |
211 | [MCE_GEN2] = { | |
212 | .mce_gen2 = 1, | |
213 | }, | |
2faa0ca8 JW |
214 | [MCE_GEN2_NO_TX] = { |
215 | .mce_gen2 = 1, | |
216 | .no_tx = 1, | |
217 | }, | |
37dbd3a6 MCC |
218 | [MCE_GEN2_TX_INV] = { |
219 | .mce_gen2 = 1, | |
d8cc7fd7 | 220 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
221 | }, |
222 | [MCE_GEN3] = { | |
223 | .mce_gen3 = 1, | |
d8cc7fd7 | 224 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
225 | }, |
226 | [POLARIS_EVK] = { | |
17c2b1fd MCC |
227 | /* |
228 | * In fact, the EVK is shipped without | |
229 | * remotes, but we should have something handy, | |
230 | * to allow testing it | |
231 | */ | |
6f6c625d JW |
232 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
233 | }, | |
234 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
235 | .no_tx = 1, /* tx isn't wired up at all */ |
236 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 237 | }, |
eda9dfd6 | 238 | [HAUPPAUGE_CX_HYBRID_TV] = { |
eda9dfd6 MS |
239 | .no_tx = 1, /* eeprom says it has no tx */ |
240 | .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX", | |
241 | }, | |
a6994eb0 JW |
242 | [MULTIFUNCTION] = { |
243 | .mce_gen2 = 1, | |
244 | .ir_intfnum = 2, | |
245 | }, | |
d8ee99e7 JW |
246 | [TIVO_KIT] = { |
247 | .mce_gen2 = 1, | |
248 | .rc_map = RC_MAP_TIVO, | |
249 | }, | |
37dbd3a6 MCC |
250 | }; |
251 | ||
66e89522 JW |
252 | static struct usb_device_id mceusb_dev_table[] = { |
253 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ | |
37dbd3a6 MCC |
254 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
255 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
256 | /* Philips Infrared Transceiver - Sahara branded */ |
257 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
258 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
259 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
260 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
261 | /* Philips SRM5100 */ |
262 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
263 | /* Philips Infrared Transceiver - Omaura */ | |
264 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
265 | /* Philips Infrared Transceiver - Spinel plus */ | |
266 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
267 | /* Philips eHome Infrared Transceiver */ | |
268 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
269 | /* Philips/Spinel plus IR transceiver for ASUS */ |
270 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
271 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
272 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 | 273 | /* Philips IR transceiver (Dell branded) */ |
8dfef674 SY |
274 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093), |
275 | .driver_info = MCE_GEN2_TX_INV }, | |
a6994eb0 JW |
276 | /* Realtek MCE IR Receiver and card reader */ |
277 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
278 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 279 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 MCC |
280 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
281 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 282 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
283 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
284 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 285 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
286 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
287 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
288 | /* SMK eHome Infrared Transceiver */ |
289 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
290 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
291 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
292 | .driver_info = MCE_GEN2_NO_TX }, | |
18693843 OS |
293 | /* SMK RXX6000 Infrared Receiver */ |
294 | { USB_DEVICE(VENDOR_SMK, 0x0357), | |
295 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
296 | /* Tatung eHome Infrared Transceiver */ |
297 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
298 | /* Shuttle eHome Infrared Transceiver */ | |
299 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
300 | /* Shuttle eHome Infrared Transceiver */ | |
301 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
302 | /* Gateway eHome Infrared Transceiver */ | |
303 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
304 | /* Mitsumi */ | |
305 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
306 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
307 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
308 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 309 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
310 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
311 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 312 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
313 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
314 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 315 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
316 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
317 | .driver_info = MCE_GEN3 }, | |
66e89522 | 318 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
319 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
320 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 321 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 322 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
7d9a46f9 | 323 | .driver_info = MCE_GEN3 }, |
66e89522 JW |
324 | /* Ricavision internal Infrared Transceiver */ |
325 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
326 | /* Itron ione Libra Q-11 */ | |
327 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
328 | /* FIC eHome Infrared Transceiver */ | |
329 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
330 | /* LG eHome Infrared Transceiver */ | |
331 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
332 | /* Microsoft MCE Infrared Transceiver */ | |
333 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
334 | /* Formosa eHome Infrared Transceiver */ | |
335 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
336 | /* Formosa21 / eHome Infrared Receiver */ | |
337 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
338 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
339 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
340 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
341 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
342 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
343 | /* Formosa21 / eHome Infrared Receiver */ | |
344 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
345 | /* Formosa Industrial Computing AIM IR605/A */ | |
346 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
347 | /* Formosa Industrial Computing */ | |
348 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
22f1732f JW |
349 | /* Formosa Industrial Computing */ |
350 | { USB_DEVICE(VENDOR_FORMOSA, 0xe042) }, | |
fbb1f1b0 | 351 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
db8ee106 SY |
352 | { USB_DEVICE(VENDOR_FINTEK, 0x5168), |
353 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
354 | /* Fintek eHome Infrared Transceiver */ |
355 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
356 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
357 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
358 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
359 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
360 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
361 | /* Elitegroup Computer Systems IR */ |
362 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
363 | /* Wistron Corp. eHome Infrared Receiver */ | |
364 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
365 | /* Compro K100 */ | |
366 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
367 | /* Compro K100 v2 */ | |
368 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
369 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
370 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
371 | /* TiVo PC IR Receiver */ | |
d8ee99e7 JW |
372 | { USB_DEVICE(VENDOR_TIVO, 0x2000), |
373 | .driver_info = TIVO_KIT }, | |
6f6c625d | 374 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
375 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
376 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
377 | /* Conexant Hybrid TV RDU253S Polaris */ |
378 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
379 | .driver_info = CX_HYBRID_TV }, | |
a4de5f05 ML |
380 | /* Twisted Melon Inc. - Manta Mini Receiver */ |
381 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) }, | |
382 | /* Twisted Melon Inc. - Manta Pico Receiver */ | |
383 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, | |
384 | /* Twisted Melon Inc. - Manta Transceiver */ | |
385 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, | |
eda9dfd6 MS |
386 | /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */ |
387 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130), | |
388 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
389 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb131), |
390 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
66756611 MS |
391 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb138), |
392 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
393 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb139), | |
394 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
395 | { USB_DEVICE(VENDOR_PCTV, 0x0259), |
396 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
397 | { USB_DEVICE(VENDOR_PCTV, 0x025e), | |
398 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
e186613a OS |
399 | /* Adaptec / HP eHome Receiver */ |
400 | { USB_DEVICE(VENDOR_ADAPTEC, 0x0094) }, | |
9683e01e | 401 | |
66e89522 JW |
402 | /* Terminating entry */ |
403 | { } | |
404 | }; | |
405 | ||
66e89522 JW |
406 | /* data structure for each usb transceiver */ |
407 | struct mceusb_dev { | |
408 | /* ir-core bits */ | |
d8b4b582 | 409 | struct rc_dev *rc; |
2ee95db2 JW |
410 | |
411 | /* optional features we can enable */ | |
2ee95db2 | 412 | bool learning_enabled; |
66e89522 JW |
413 | |
414 | /* core device bits */ | |
415 | struct device *dev; | |
66e89522 JW |
416 | |
417 | /* usb */ | |
418 | struct usb_device *usbdev; | |
419 | struct urb *urb_in; | |
a06854a6 | 420 | unsigned int pipe_in; |
66e89522 | 421 | struct usb_endpoint_descriptor *usb_ep_out; |
c779a9cd | 422 | unsigned int pipe_out; |
66e89522 JW |
423 | |
424 | /* buffers and dma */ | |
425 | unsigned char *buf_in; | |
426 | unsigned int len_in; | |
2ee95db2 | 427 | dma_addr_t dma_in; |
39dc5c3a MCC |
428 | |
429 | enum { | |
430 | CMD_HEADER = 0, | |
431 | SUBCMD, | |
432 | CMD_DATA, | |
433 | PARSE_IRDATA, | |
434 | } parser_state; | |
39dc5c3a | 435 | |
2ee95db2 | 436 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
437 | |
438 | struct { | |
439 | u32 connected:1; | |
d8cc7fd7 | 440 | u32 tx_mask_normal:1; |
66e89522 | 441 | u32 microsoft_gen1:1; |
6f6c625d | 442 | u32 no_tx:1; |
66e89522 JW |
443 | } flags; |
444 | ||
e23fb964 | 445 | /* transmit support */ |
e23fb964 JW |
446 | u32 carrier; |
447 | unsigned char tx_mask; | |
66e89522 JW |
448 | |
449 | char name[128]; | |
450 | char phys[64]; | |
37dbd3a6 | 451 | enum mceusb_model_type model; |
4840b788 JW |
452 | |
453 | bool need_reset; /* flag to issue a device resume cmd */ | |
ab1072eb | 454 | u8 emver; /* emulator interface version */ |
a411e839 JW |
455 | u8 num_txports; /* number of transmit ports */ |
456 | u8 num_rxports; /* number of receive sensors */ | |
457 | u8 txports_cabled; /* bitmask of transmitters with cable */ | |
458 | u8 rxports_active; /* bitmask of active receive sensors */ | |
a06854a6 S |
459 | |
460 | /* | |
461 | * support for async error handler mceusb_deferred_kevent() | |
462 | * where usb_clear_halt(), usb_reset_configuration(), | |
463 | * usb_reset_device(), etc. must be done in process context | |
464 | */ | |
465 | struct work_struct kevent; | |
466 | unsigned long kevent_flags; | |
467 | # define EVENT_TX_HALT 0 | |
468 | # define EVENT_RX_HALT 1 | |
66e89522 JW |
469 | }; |
470 | ||
a6fbd3b7 JW |
471 | /* MCE Device Command Strings, generally a port and command pair */ |
472 | static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, | |
473 | MCE_CMD_RESUME}; | |
474 | static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; | |
ab1072eb | 475 | static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; |
a6fbd3b7 | 476 | static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; |
b71969be | 477 | static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; |
a6fbd3b7 JW |
478 | static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; |
479 | static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; | |
480 | static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; | |
a411e839 | 481 | static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; |
a6fbd3b7 JW |
482 | static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; |
483 | static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; | |
66e89522 JW |
484 | /* sub in desired values in lower byte or bytes for full command */ |
485 | /* FIXME: make use of these for transmit. | |
a6fbd3b7 JW |
486 | static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, |
487 | MCE_CMD_SETIRCFS, 0x00, 0x00}; | |
488 | static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; | |
489 | static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, | |
490 | MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; | |
491 | static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, | |
492 | MCE_RSP_EQIRRXPORTEN, 0x00}; | |
66e89522 JW |
493 | */ |
494 | ||
76dea4cf | 495 | static int mceusb_cmd_datasize(u8 cmd, u8 subcmd) |
39dc5c3a MCC |
496 | { |
497 | int datasize = 0; | |
498 | ||
499 | switch (cmd) { | |
a6fbd3b7 JW |
500 | case MCE_CMD_NULL: |
501 | if (subcmd == MCE_CMD_PORT_SYS) | |
39dc5c3a MCC |
502 | datasize = 1; |
503 | break; | |
a6fbd3b7 | 504 | case MCE_CMD_PORT_SYS: |
39dc5c3a | 505 | switch (subcmd) { |
76dea4cf WS |
506 | case MCE_RSP_GETPORTSTATUS: |
507 | datasize = 5; | |
508 | break; | |
a6fbd3b7 JW |
509 | case MCE_RSP_EQWAKEVERSION: |
510 | datasize = 4; | |
511 | break; | |
4a883918 | 512 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
513 | datasize = 2; |
514 | break; | |
a6fbd3b7 | 515 | case MCE_RSP_EQWAKESUPPORT: |
76dea4cf WS |
516 | case MCE_RSP_GETWAKESOURCE: |
517 | case MCE_RSP_EQDEVDETAILS: | |
518 | case MCE_RSP_EQEMVER: | |
a6fbd3b7 JW |
519 | datasize = 1; |
520 | break; | |
39dc5c3a | 521 | } |
a6fbd3b7 | 522 | case MCE_CMD_PORT_IR: |
39dc5c3a | 523 | switch (subcmd) { |
4a883918 | 524 | case MCE_CMD_UNKNOWN: |
a6fbd3b7 JW |
525 | case MCE_RSP_EQIRCFS: |
526 | case MCE_RSP_EQIRTIMEOUT: | |
527 | case MCE_RSP_EQIRRXCFCNT: | |
76dea4cf | 528 | case MCE_RSP_EQIRNUMPORTS: |
39dc5c3a MCC |
529 | datasize = 2; |
530 | break; | |
1cd50f25 | 531 | case MCE_CMD_SIG_END: |
a6fbd3b7 JW |
532 | case MCE_RSP_EQIRTXPORTS: |
533 | case MCE_RSP_EQIRRXPORTEN: | |
39dc5c3a MCC |
534 | datasize = 1; |
535 | break; | |
536 | } | |
537 | } | |
538 | return datasize; | |
539 | } | |
540 | ||
ff05cf09 SY |
541 | static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len, |
542 | int offset, int len, bool out) | |
66e89522 | 543 | { |
6b4a16c3 SY |
544 | #if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) |
545 | char *inout; | |
ff05cf09 | 546 | u8 cmd, subcmd, *data; |
66e89522 | 547 | struct device *dev = ir->dev; |
6b4a16c3 | 548 | int start, skip = 0; |
e217fb43 | 549 | u32 carrier, period; |
36e9d260 | 550 | |
657290b6 | 551 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 552 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 553 | skip = 2; |
66e89522 | 554 | |
36e9d260 | 555 | if (len <= skip) |
66e89522 JW |
556 | return; |
557 | ||
6b4a16c3 | 558 | dev_dbg(dev, "%cx data: %*ph (length=%d)", |
5c80992e S |
559 | (out ? 't' : 'r'), |
560 | min(len, buf_len - offset), buf + offset, len); | |
66e89522 | 561 | |
6b4a16c3 | 562 | inout = out ? "Request" : "Got"; |
66e89522 | 563 | |
36e9d260 JW |
564 | start = offset + skip; |
565 | cmd = buf[start] & 0xff; | |
566 | subcmd = buf[start + 1] & 0xff; | |
ff05cf09 | 567 | data = buf + start + 2; |
66e89522 JW |
568 | |
569 | switch (cmd) { | |
a6fbd3b7 | 570 | case MCE_CMD_NULL: |
a411e839 JW |
571 | if (subcmd == MCE_CMD_NULL) |
572 | break; | |
a6fbd3b7 | 573 | if ((subcmd == MCE_CMD_PORT_SYS) && |
ff05cf09 | 574 | (data[0] == MCE_CMD_RESUME)) |
6b4a16c3 | 575 | dev_dbg(dev, "Device resume requested"); |
66e89522 | 576 | else |
6b4a16c3 | 577 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
578 | cmd, subcmd); |
579 | break; | |
a6fbd3b7 | 580 | case MCE_CMD_PORT_SYS: |
66e89522 | 581 | switch (subcmd) { |
a6fbd3b7 JW |
582 | case MCE_RSP_EQEMVER: |
583 | if (!out) | |
6b4a16c3 | 584 | dev_dbg(dev, "Emulator interface version %x", |
ff05cf09 | 585 | data[0]); |
a6fbd3b7 | 586 | break; |
4a883918 | 587 | case MCE_CMD_G_REVISION: |
66e89522 | 588 | if (len == 2) |
6b4a16c3 | 589 | dev_dbg(dev, "Get hw/sw rev?"); |
66e89522 | 590 | else |
eef8fc37 MCC |
591 | dev_dbg(dev, "hw/sw rev %*ph", |
592 | 4, &buf[start + 2]); | |
66e89522 | 593 | break; |
a6fbd3b7 | 594 | case MCE_CMD_RESUME: |
6b4a16c3 | 595 | dev_dbg(dev, "Device resume requested"); |
a6fbd3b7 JW |
596 | break; |
597 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 598 | dev_dbg(dev, "Illegal PORT_SYS command"); |
a6fbd3b7 JW |
599 | break; |
600 | case MCE_RSP_EQWAKEVERSION: | |
601 | if (!out) | |
25ec587c | 602 | dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x", |
ff05cf09 | 603 | data[0], data[1], data[2], data[3]); |
66e89522 | 604 | break; |
a6fbd3b7 JW |
605 | case MCE_RSP_GETPORTSTATUS: |
606 | if (!out) | |
607 | /* We use data1 + 1 here, to match hw labels */ | |
6b4a16c3 | 608 | dev_dbg(dev, "TX port %d: blaster is%s connected", |
ff05cf09 | 609 | data[0] + 1, data[3] ? " not" : ""); |
66e89522 | 610 | break; |
b71969be | 611 | case MCE_CMD_FLASHLED: |
6b4a16c3 | 612 | dev_dbg(dev, "Attempting to flash LED"); |
b71969be | 613 | break; |
66e89522 | 614 | default: |
6b4a16c3 | 615 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
616 | cmd, subcmd); |
617 | break; | |
618 | } | |
619 | break; | |
a6fbd3b7 | 620 | case MCE_CMD_PORT_IR: |
66e89522 | 621 | switch (subcmd) { |
1cd50f25 | 622 | case MCE_CMD_SIG_END: |
6b4a16c3 | 623 | dev_dbg(dev, "End of signal"); |
1cd50f25 | 624 | break; |
4a883918 | 625 | case MCE_CMD_PING: |
6b4a16c3 | 626 | dev_dbg(dev, "Ping"); |
66e89522 | 627 | break; |
4a883918 | 628 | case MCE_CMD_UNKNOWN: |
6b4a16c3 | 629 | dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x", |
ff05cf09 | 630 | data[0], data[1]); |
66e89522 | 631 | break; |
e217fb43 | 632 | case MCE_RSP_EQIRCFS: |
ff05cf09 SY |
633 | period = DIV_ROUND_CLOSEST((1U << data[0] * 2) * |
634 | (data[1] + 1), 10); | |
e217fb43 JW |
635 | if (!period) |
636 | break; | |
637 | carrier = (1000 * 1000) / period; | |
6b4a16c3 | 638 | dev_dbg(dev, "%s carrier of %u Hz (period %uus)", |
e217fb43 | 639 | inout, carrier, period); |
66e89522 | 640 | break; |
a6fbd3b7 | 641 | case MCE_CMD_GETIRCFS: |
6b4a16c3 | 642 | dev_dbg(dev, "Get carrier mode and freq"); |
66e89522 | 643 | break; |
a6fbd3b7 | 644 | case MCE_RSP_EQIRTXPORTS: |
6b4a16c3 | 645 | dev_dbg(dev, "%s transmit blaster mask of 0x%02x", |
ff05cf09 | 646 | inout, data[0]); |
66e89522 | 647 | break; |
a6fbd3b7 | 648 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 649 | /* value is in units of 50us, so x*50/1000 ms */ |
ff05cf09 SY |
650 | period = ((data[0] << 8) | data[1]) * |
651 | MCE_TIME_UNIT / 1000; | |
6b4a16c3 | 652 | dev_dbg(dev, "%s receive timeout of %d ms", |
e217fb43 | 653 | inout, period); |
66e89522 | 654 | break; |
a6fbd3b7 | 655 | case MCE_CMD_GETIRTIMEOUT: |
6b4a16c3 | 656 | dev_dbg(dev, "Get receive timeout"); |
66e89522 | 657 | break; |
a6fbd3b7 | 658 | case MCE_CMD_GETIRTXPORTS: |
6b4a16c3 | 659 | dev_dbg(dev, "Get transmit blaster mask"); |
66e89522 | 660 | break; |
a6fbd3b7 | 661 | case MCE_RSP_EQIRRXPORTEN: |
6b4a16c3 | 662 | dev_dbg(dev, "%s %s-range receive sensor in use", |
ff05cf09 | 663 | inout, data[0] == 0x02 ? "short" : "long"); |
66e89522 | 664 | break; |
a6fbd3b7 JW |
665 | case MCE_CMD_GETIRRXPORTEN: |
666 | /* aka MCE_RSP_EQIRRXCFCNT */ | |
2ee95db2 | 667 | if (out) |
6b4a16c3 | 668 | dev_dbg(dev, "Get receive sensor"); |
2ee95db2 | 669 | else if (ir->learning_enabled) |
6b4a16c3 | 670 | dev_dbg(dev, "RX pulse count: %d", |
ff05cf09 | 671 | ((data[0] << 8) | data[1])); |
66e89522 | 672 | break; |
a6fbd3b7 JW |
673 | case MCE_RSP_EQIRNUMPORTS: |
674 | if (out) | |
675 | break; | |
6b4a16c3 | 676 | dev_dbg(dev, "Num TX ports: %x, num RX ports: %x", |
ff05cf09 | 677 | data[0], data[1]); |
a6fbd3b7 JW |
678 | break; |
679 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 680 | dev_dbg(dev, "Illegal PORT_IR command"); |
66e89522 | 681 | break; |
66e89522 | 682 | default: |
6b4a16c3 | 683 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
684 | cmd, subcmd); |
685 | break; | |
686 | } | |
687 | break; | |
688 | default: | |
689 | break; | |
690 | } | |
36e9d260 JW |
691 | |
692 | if (cmd == MCE_IRDATA_TRAILER) | |
6b4a16c3 | 693 | dev_dbg(dev, "End of raw IR data"); |
a6fbd3b7 JW |
694 | else if ((cmd != MCE_CMD_PORT_IR) && |
695 | ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) | |
6b4a16c3 SY |
696 | dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem); |
697 | #endif | |
66e89522 JW |
698 | } |
699 | ||
a06854a6 S |
700 | /* |
701 | * Schedule work that can't be done in interrupt handlers | |
702 | * (mceusb_dev_recv() and mce_async_callback()) nor tasklets. | |
703 | * Invokes mceusb_deferred_kevent() for recovering from | |
704 | * error events specified by the kevent bit field. | |
705 | */ | |
706 | static void mceusb_defer_kevent(struct mceusb_dev *ir, int kevent) | |
707 | { | |
708 | set_bit(kevent, &ir->kevent_flags); | |
709 | if (!schedule_work(&ir->kevent)) | |
710 | dev_err(ir->dev, "kevent %d may have been dropped", kevent); | |
711 | else | |
712 | dev_dbg(ir->dev, "kevent %d scheduled", kevent); | |
713 | } | |
714 | ||
6ac454aa | 715 | static void mce_async_callback(struct urb *urb) |
66e89522 JW |
716 | { |
717 | struct mceusb_dev *ir; | |
718 | int len; | |
719 | ||
720 | if (!urb) | |
721 | return; | |
722 | ||
723 | ir = urb->context; | |
6b4a16c3 SY |
724 | |
725 | switch (urb->status) { | |
726 | /* success */ | |
727 | case 0: | |
66e89522 JW |
728 | len = urb->actual_length; |
729 | ||
5c80992e S |
730 | mceusb_dev_printdata(ir, urb->transfer_buffer, len, |
731 | 0, len, true); | |
6b4a16c3 SY |
732 | break; |
733 | ||
734 | case -ECONNRESET: | |
735 | case -ENOENT: | |
736 | case -EILSEQ: | |
737 | case -ESHUTDOWN: | |
738 | break; | |
739 | ||
740 | case -EPIPE: | |
c779a9cd S |
741 | dev_err(ir->dev, "Error: request urb status = %d (TX HALT)", |
742 | urb->status); | |
743 | mceusb_defer_kevent(ir, EVENT_TX_HALT); | |
744 | break; | |
745 | ||
6b4a16c3 SY |
746 | default: |
747 | dev_err(ir->dev, "Error: request urb status = %d", urb->status); | |
748 | break; | |
66e89522 JW |
749 | } |
750 | ||
0b43fcdf JW |
751 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
752 | kfree(urb->transfer_buffer); | |
753 | usb_free_urb(urb); | |
66e89522 JW |
754 | } |
755 | ||
5c80992e | 756 | /* request outgoing (send) usb packet - used to initialize remote */ |
51ea6292 | 757 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
e1159cb3 | 758 | int size) |
66e89522 | 759 | { |
c779a9cd | 760 | int res; |
66e89522 JW |
761 | struct urb *async_urb; |
762 | struct device *dev = ir->dev; | |
763 | unsigned char *async_buf; | |
764 | ||
e1159cb3 SY |
765 | async_urb = usb_alloc_urb(0, GFP_KERNEL); |
766 | if (unlikely(!async_urb)) { | |
5c80992e | 767 | dev_err(dev, "Error, couldn't allocate urb!"); |
e1159cb3 SY |
768 | return; |
769 | } | |
66e89522 | 770 | |
e1159cb3 SY |
771 | async_buf = kmalloc(size, GFP_KERNEL); |
772 | if (!async_buf) { | |
773 | usb_free_urb(async_urb); | |
774 | return; | |
775 | } | |
66e89522 | 776 | |
e1159cb3 | 777 | /* outbound data */ |
c779a9cd S |
778 | if (usb_endpoint_xfer_int(ir->usb_ep_out)) |
779 | usb_fill_int_urb(async_urb, ir->usbdev, ir->pipe_out, | |
780 | async_buf, size, mce_async_callback, ir, | |
e1159cb3 | 781 | ir->usb_ep_out->bInterval); |
c779a9cd S |
782 | else |
783 | usb_fill_bulk_urb(async_urb, ir->usbdev, ir->pipe_out, | |
784 | async_buf, size, mce_async_callback, ir); | |
785 | ||
e1159cb3 | 786 | memcpy(async_buf, data, size); |
66e89522 | 787 | |
5c80992e | 788 | dev_dbg(dev, "send request called (size=%#x)", size); |
66e89522 | 789 | |
66e89522 JW |
790 | res = usb_submit_urb(async_urb, GFP_ATOMIC); |
791 | if (res) { | |
5c80992e | 792 | dev_err(dev, "send request FAILED! (res=%d)", res); |
2d5a6ce7 JH |
793 | kfree(async_buf); |
794 | usb_free_urb(async_urb); | |
66e89522 JW |
795 | return; |
796 | } | |
5c80992e | 797 | dev_dbg(dev, "send request complete (res=%d)", res); |
66e89522 JW |
798 | } |
799 | ||
800 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
801 | { | |
4840b788 JW |
802 | int rsize = sizeof(DEVICE_RESUME); |
803 | ||
804 | if (ir->need_reset) { | |
805 | ir->need_reset = false; | |
e1159cb3 | 806 | mce_request_packet(ir, DEVICE_RESUME, rsize); |
4840b788 JW |
807 | msleep(10); |
808 | } | |
809 | ||
e1159cb3 | 810 | mce_request_packet(ir, data, size); |
417c0a23 | 811 | msleep(10); |
66e89522 JW |
812 | } |
813 | ||
e23fb964 | 814 | /* Send data out the IR blaster port(s) */ |
5588dc2b | 815 | static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) |
e23fb964 | 816 | { |
d8b4b582 | 817 | struct mceusb_dev *ir = dev->priv; |
db8ee106 | 818 | int i, length, ret = 0; |
5588dc2b | 819 | int cmdcount = 0; |
db8ee106 | 820 | unsigned char cmdbuf[MCE_CMDBUF_SIZE]; |
e23fb964 JW |
821 | |
822 | /* MCE tx init header */ | |
a6fbd3b7 JW |
823 | cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; |
824 | cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; | |
e23fb964 JW |
825 | cmdbuf[cmdcount++] = ir->tx_mask; |
826 | ||
db8ee106 SY |
827 | /* Send the set TX ports command */ |
828 | mce_async_out(ir, cmdbuf, cmdcount); | |
829 | cmdcount = 0; | |
830 | ||
e23fb964 JW |
831 | /* Generate mce packet data */ |
832 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
e23fb964 JW |
833 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; |
834 | ||
835 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
836 | ||
837 | /* Insert mce packet header every 4th entry */ | |
838 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
db8ee106 | 839 | (cmdcount % MCE_CODE_LENGTH) == 0) |
4a883918 | 840 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
841 | |
842 | /* Insert mce packet data */ | |
843 | if (cmdcount < MCE_CMDBUF_SIZE) | |
844 | cmdbuf[cmdcount++] = | |
845 | (txbuf[i] < MCE_PULSE_BIT ? | |
846 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
847 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
848 | else { | |
849 | ret = -EINVAL; | |
850 | goto out; | |
851 | } | |
852 | ||
853 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
854 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
855 | } | |
856 | ||
e23fb964 JW |
857 | /* Check if we have room for the empty packet at the end */ |
858 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
859 | ret = -EINVAL; | |
860 | goto out; | |
861 | } | |
862 | ||
b940a221 DC |
863 | /* Fix packet length in last header */ |
864 | length = cmdcount % MCE_CODE_LENGTH; | |
865 | cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length; | |
866 | ||
e23fb964 | 867 | /* All mce commands end with an empty packet (0x80) */ |
4a883918 | 868 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
869 | |
870 | /* Transmit the command to the mce device */ | |
871 | mce_async_out(ir, cmdbuf, cmdcount); | |
872 | ||
e23fb964 | 873 | out: |
5588dc2b | 874 | return ret ? ret : count; |
e23fb964 JW |
875 | } |
876 | ||
6f6c625d | 877 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 878 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 879 | { |
d8b4b582 | 880 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 881 | |
20f5a827 SY |
882 | /* return number of transmitters */ |
883 | int emitters = ir->num_txports ? ir->num_txports : 2; | |
884 | ||
885 | if (mask >= (1 << emitters)) | |
886 | return emitters; | |
887 | ||
d8cc7fd7 JW |
888 | if (ir->flags.tx_mask_normal) |
889 | ir->tx_mask = mask; | |
890 | else | |
4a883918 JW |
891 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
892 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
893 | |
894 | return 0; | |
895 | } | |
896 | ||
e23fb964 | 897 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 898 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 899 | { |
d8b4b582 | 900 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
901 | int clk = 10000000; |
902 | int prescaler = 0, divisor = 0; | |
a6fbd3b7 JW |
903 | unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, |
904 | MCE_CMD_SETIRCFS, 0x00, 0x00 }; | |
e23fb964 JW |
905 | |
906 | /* Carrier has changed */ | |
907 | if (ir->carrier != carrier) { | |
908 | ||
909 | if (carrier == 0) { | |
910 | ir->carrier = carrier; | |
1cd50f25 | 911 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 912 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
6b4a16c3 | 913 | dev_dbg(ir->dev, "disabling carrier modulation"); |
e23fb964 | 914 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); |
3cf8d8e4 | 915 | return 0; |
e23fb964 JW |
916 | } |
917 | ||
918 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
919 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 920 | if (divisor <= 0xff) { |
e23fb964 JW |
921 | ir->carrier = carrier; |
922 | cmdbuf[2] = prescaler; | |
923 | cmdbuf[3] = divisor; | |
6b4a16c3 SY |
924 | dev_dbg(ir->dev, "requesting %u HZ carrier", |
925 | carrier); | |
e23fb964 JW |
926 | |
927 | /* Transmit new carrier to mce device */ | |
928 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
3cf8d8e4 | 929 | return 0; |
e23fb964 JW |
930 | } |
931 | } | |
932 | ||
933 | return -EINVAL; | |
934 | ||
935 | } | |
936 | ||
14d8188a | 937 | return 0; |
e23fb964 JW |
938 | } |
939 | ||
2ee95db2 JW |
940 | /* |
941 | * We don't do anything but print debug spew for many of the command bits | |
942 | * we receive from the hardware, but some of them are useful information | |
943 | * we want to store so that we can use them. | |
944 | */ | |
945 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
946 | { | |
947 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
948 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
949 | ||
950 | switch (ir->buf_in[index]) { | |
a411e839 JW |
951 | /* the one and only 5-byte return value command */ |
952 | case MCE_RSP_GETPORTSTATUS: | |
953 | if ((ir->buf_in[index + 4] & 0xff) == 0x00) | |
954 | ir->txports_cabled |= 1 << hi; | |
955 | break; | |
956 | ||
2ee95db2 | 957 | /* 2-byte return value commands */ |
a6fbd3b7 | 958 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 959 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); |
2ee95db2 | 960 | break; |
a411e839 JW |
961 | case MCE_RSP_EQIRNUMPORTS: |
962 | ir->num_txports = hi; | |
963 | ir->num_rxports = lo; | |
964 | break; | |
2ee95db2 JW |
965 | |
966 | /* 1-byte return value commands */ | |
ab1072eb JW |
967 | case MCE_RSP_EQEMVER: |
968 | ir->emver = hi; | |
969 | break; | |
a6fbd3b7 | 970 | case MCE_RSP_EQIRTXPORTS: |
2ee95db2 JW |
971 | ir->tx_mask = hi; |
972 | break; | |
a6fbd3b7 JW |
973 | case MCE_RSP_EQIRRXPORTEN: |
974 | ir->learning_enabled = ((hi & 0x02) == 0x02); | |
a411e839 | 975 | ir->rxports_active = hi; |
2ee95db2 | 976 | break; |
4840b788 JW |
977 | case MCE_RSP_CMD_ILLEGAL: |
978 | ir->need_reset = true; | |
979 | break; | |
2ee95db2 JW |
980 | default: |
981 | break; | |
982 | } | |
983 | } | |
984 | ||
66e89522 JW |
985 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
986 | { | |
4651918a | 987 | DEFINE_IR_RAW_EVENT(rawir); |
b83bfd1b | 988 | bool event = false; |
39dc5c3a | 989 | int i = 0; |
66e89522 JW |
990 | |
991 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
992 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 993 | i = 2; |
66e89522 | 994 | |
29b4494b JW |
995 | /* if there's no data, just return now */ |
996 | if (buf_len <= i) | |
997 | return; | |
998 | ||
39dc5c3a MCC |
999 | for (; i < buf_len; i++) { |
1000 | switch (ir->parser_state) { | |
1001 | case SUBCMD: | |
76dea4cf | 1002 | ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]); |
5c80992e | 1003 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, i - 1, |
36e9d260 | 1004 | ir->rem + 2, false); |
2ee95db2 | 1005 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
1006 | ir->parser_state = CMD_DATA; |
1007 | break; | |
1008 | case PARSE_IRDATA: | |
66e89522 | 1009 | ir->rem--; |
5bd9d73c | 1010 | init_ir_raw_event(&rawir); |
66e89522 JW |
1011 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
1012 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
b4608fae | 1013 | * US_TO_NS(MCE_TIME_UNIT); |
66e89522 | 1014 | |
5c80992e | 1015 | dev_dbg(ir->dev, "Storing %s with duration %u", |
66e89522 JW |
1016 | rawir.pulse ? "pulse" : "space", |
1017 | rawir.duration); | |
1018 | ||
b83bfd1b SY |
1019 | if (ir_raw_event_store_with_filter(ir->rc, &rawir)) |
1020 | event = true; | |
39dc5c3a MCC |
1021 | break; |
1022 | case CMD_DATA: | |
1023 | ir->rem--; | |
1024 | break; | |
1025 | case CMD_HEADER: | |
1026 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
1027 | /* IR data packets can span USB messages - rem */ | |
1028 | ir->cmd = ir->buf_in[i]; | |
a6fbd3b7 JW |
1029 | if ((ir->cmd == MCE_CMD_PORT_IR) || |
1030 | ((ir->cmd & MCE_PORT_MASK) != | |
4a883918 | 1031 | MCE_COMMAND_IRDATA)) { |
39dc5c3a MCC |
1032 | ir->parser_state = SUBCMD; |
1033 | continue; | |
1034 | } | |
1035 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
5c80992e | 1036 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, |
2ee95db2 | 1037 | i, ir->rem + 1, false); |
1cd50f25 | 1038 | if (ir->rem) |
39dc5c3a | 1039 | ir->parser_state = PARSE_IRDATA; |
5bd9d73c JW |
1040 | else |
1041 | ir_raw_event_reset(ir->rc); | |
39dc5c3a | 1042 | break; |
66e89522 JW |
1043 | } |
1044 | ||
39dc5c3a MCC |
1045 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
1046 | ir->parser_state = CMD_HEADER; | |
66e89522 | 1047 | } |
b83bfd1b | 1048 | if (event) { |
6b4a16c3 | 1049 | dev_dbg(ir->dev, "processed IR data"); |
b83bfd1b SY |
1050 | ir_raw_event_handle(ir->rc); |
1051 | } | |
66e89522 JW |
1052 | } |
1053 | ||
6ac454aa | 1054 | static void mceusb_dev_recv(struct urb *urb) |
66e89522 JW |
1055 | { |
1056 | struct mceusb_dev *ir; | |
66e89522 JW |
1057 | |
1058 | if (!urb) | |
1059 | return; | |
1060 | ||
1061 | ir = urb->context; | |
1062 | if (!ir) { | |
1063 | usb_unlink_urb(urb); | |
1064 | return; | |
1065 | } | |
1066 | ||
66e89522 JW |
1067 | switch (urb->status) { |
1068 | /* success */ | |
1069 | case 0: | |
d26cec22 | 1070 | mceusb_process_ir_data(ir, urb->actual_length); |
66e89522 JW |
1071 | break; |
1072 | ||
1073 | case -ECONNRESET: | |
1074 | case -ENOENT: | |
6b4a16c3 | 1075 | case -EILSEQ: |
66e89522 JW |
1076 | case -ESHUTDOWN: |
1077 | usb_unlink_urb(urb); | |
1078 | return; | |
1079 | ||
1080 | case -EPIPE: | |
a06854a6 S |
1081 | dev_err(ir->dev, "Error: urb status = %d (RX HALT)", |
1082 | urb->status); | |
1083 | mceusb_defer_kevent(ir, EVENT_RX_HALT); | |
1084 | return; | |
1085 | ||
66e89522 | 1086 | default: |
6b4a16c3 | 1087 | dev_err(ir->dev, "Error: urb status = %d", urb->status); |
66e89522 JW |
1088 | break; |
1089 | } | |
1090 | ||
1091 | usb_submit_urb(urb, GFP_ATOMIC); | |
1092 | } | |
1093 | ||
ab1072eb JW |
1094 | static void mceusb_get_emulator_version(struct mceusb_dev *ir) |
1095 | { | |
1096 | /* If we get no reply or an illegal command reply, its ver 1, says MS */ | |
1097 | ir->emver = 1; | |
1098 | mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); | |
1099 | } | |
1100 | ||
66e89522 JW |
1101 | static void mceusb_gen1_init(struct mceusb_dev *ir) |
1102 | { | |
ca17a4f0 | 1103 | int ret; |
66e89522 | 1104 | struct device *dev = ir->dev; |
b48592e4 | 1105 | char *data; |
657290b6 JW |
1106 | |
1107 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
1108 | if (!data) { | |
6b4a16c3 | 1109 | dev_err(dev, "%s: memory allocation failed!", __func__); |
657290b6 JW |
1110 | return; |
1111 | } | |
66e89522 JW |
1112 | |
1113 | /* | |
b48592e4 | 1114 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
1115 | * on the receive control pipe and expect a certain value pair back |
1116 | */ | |
66e89522 JW |
1117 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
1118 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 1119 | data, USB_CTRL_MSG_SZ, HZ * 3); |
6b4a16c3 SY |
1120 | dev_dbg(dev, "set address - ret = %d", ret); |
1121 | dev_dbg(dev, "set address - data[0] = %d, data[1] = %d", | |
1122 | data[0], data[1]); | |
66e89522 JW |
1123 | |
1124 | /* set feature: bit rate 38400 bps */ | |
1125 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1126 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
1127 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
1128 | ||
6b4a16c3 | 1129 | dev_dbg(dev, "set feature - ret = %d", ret); |
66e89522 JW |
1130 | |
1131 | /* bRequest 4: set char length to 8 bits */ | |
1132 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1133 | 4, USB_TYPE_VENDOR, | |
1134 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
6b4a16c3 | 1135 | dev_dbg(dev, "set char length - retB = %d", ret); |
66e89522 JW |
1136 | |
1137 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1138 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1139 | 2, USB_TYPE_VENDOR, | |
1140 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
6b4a16c3 | 1141 | dev_dbg(dev, "set handshake - retC = %d", ret); |
657290b6 | 1142 | |
a6fbd3b7 JW |
1143 | /* device resume */ |
1144 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
22b0766b JW |
1145 | |
1146 | /* get hw/sw revision? */ | |
1147 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1148 | |
657290b6 | 1149 | kfree(data); |
8dfef674 | 1150 | } |
66e89522 JW |
1151 | |
1152 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1153 | { | |
a6fbd3b7 JW |
1154 | /* device resume */ |
1155 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
66e89522 | 1156 | |
a6fbd3b7 JW |
1157 | /* get wake version (protocol, key, address) */ |
1158 | mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); | |
1159 | ||
1160 | /* unknown what this one actually returns... */ | |
22b0766b | 1161 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1162 | } |
1163 | ||
22b0766b | 1164 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1165 | { |
a411e839 JW |
1166 | int i; |
1167 | unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, | |
1168 | MCE_CMD_GETPORTSTATUS, 0x00 }; | |
1169 | ||
1170 | /* defaults, if the hardware doesn't support querying */ | |
1171 | ir->num_txports = 2; | |
1172 | ir->num_rxports = 2; | |
1173 | ||
1174 | /* get number of tx and rx ports */ | |
1175 | mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); | |
1176 | ||
66e89522 JW |
1177 | /* get the carrier and frequency */ |
1178 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1179 | |
a411e839 | 1180 | if (ir->num_txports && !ir->flags.no_tx) |
6f6c625d JW |
1181 | /* get the transmitter bitmask */ |
1182 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1183 | |
1184 | /* get receiver timeout value */ | |
1185 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1186 | |
1187 | /* get receiver sensor setting */ | |
1188 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
a411e839 JW |
1189 | |
1190 | for (i = 0; i < ir->num_txports; i++) { | |
1191 | cmdbuf[2] = i; | |
1192 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1193 | } | |
66e89522 JW |
1194 | } |
1195 | ||
b71969be JW |
1196 | static void mceusb_flash_led(struct mceusb_dev *ir) |
1197 | { | |
1198 | if (ir->emver < 2) | |
1199 | return; | |
1200 | ||
1201 | mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED)); | |
1202 | } | |
1203 | ||
a06854a6 S |
1204 | /* |
1205 | * Workqueue function | |
1206 | * for resetting or recovering device after occurrence of error events | |
1207 | * specified in ir->kevent bit field. | |
1208 | * Function runs (via schedule_work()) in non-interrupt context, for | |
1209 | * calls here (such as usb_clear_halt()) requiring non-interrupt context. | |
1210 | */ | |
1211 | static void mceusb_deferred_kevent(struct work_struct *work) | |
1212 | { | |
1213 | struct mceusb_dev *ir = | |
1214 | container_of(work, struct mceusb_dev, kevent); | |
1215 | int status; | |
1216 | ||
1217 | if (test_bit(EVENT_RX_HALT, &ir->kevent_flags)) { | |
1218 | usb_unlink_urb(ir->urb_in); | |
1219 | status = usb_clear_halt(ir->usbdev, ir->pipe_in); | |
1220 | if (status < 0) { | |
1221 | dev_err(ir->dev, "rx clear halt error %d", | |
1222 | status); | |
a06854a6 S |
1223 | } |
1224 | clear_bit(EVENT_RX_HALT, &ir->kevent_flags); | |
c779a9cd S |
1225 | if (status == 0) { |
1226 | status = usb_submit_urb(ir->urb_in, GFP_KERNEL); | |
1227 | if (status < 0) { | |
1228 | dev_err(ir->dev, | |
1229 | "rx unhalt submit urb error %d", | |
1230 | status); | |
1231 | } | |
a06854a6 S |
1232 | } |
1233 | } | |
c779a9cd S |
1234 | |
1235 | if (test_bit(EVENT_TX_HALT, &ir->kevent_flags)) { | |
1236 | status = usb_clear_halt(ir->usbdev, ir->pipe_out); | |
1237 | if (status < 0) | |
1238 | dev_err(ir->dev, "tx clear halt error %d", status); | |
1239 | clear_bit(EVENT_TX_HALT, &ir->kevent_flags); | |
1240 | } | |
a06854a6 S |
1241 | } |
1242 | ||
e947d9ad | 1243 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1244 | { |
e947d9ad | 1245 | struct usb_device *udev = ir->usbdev; |
66e89522 | 1246 | struct device *dev = ir->dev; |
d8b4b582 DH |
1247 | struct rc_dev *rc; |
1248 | int ret; | |
66e89522 | 1249 | |
0f7499fd | 1250 | rc = rc_allocate_device(RC_DRIVER_IR_RAW); |
d8b4b582 | 1251 | if (!rc) { |
6b4a16c3 | 1252 | dev_err(dev, "remote dev allocation failed"); |
d8b4b582 | 1253 | goto out; |
66e89522 JW |
1254 | } |
1255 | ||
3459d455 | 1256 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1257 | mceusb_model[ir->model].name ? |
5ad1a555 | 1258 | mceusb_model[ir->model].name : |
d8b4b582 | 1259 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1260 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1261 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1262 | ||
66e89522 | 1263 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1264 | |
518f4b26 | 1265 | rc->device_name = ir->name; |
d8b4b582 DH |
1266 | rc->input_phys = ir->phys; |
1267 | usb_to_input_id(ir->usbdev, &rc->input_id); | |
1268 | rc->dev.parent = dev; | |
1269 | rc->priv = ir; | |
6d741bfe | 1270 | rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; |
9824ae4a | 1271 | rc->timeout = MS_TO_NS(100); |
6f6c625d | 1272 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
1273 | rc->s_tx_mask = mceusb_set_tx_mask; |
1274 | rc->s_tx_carrier = mceusb_set_tx_carrier; | |
1275 | rc->tx_ir = mceusb_tx_ir; | |
6f6c625d | 1276 | } |
d8b4b582 | 1277 | rc->driver_name = DRIVER_NAME; |
5b8c8d41 MCC |
1278 | |
1279 | switch (le16_to_cpu(udev->descriptor.idVendor)) { | |
1280 | case VENDOR_HAUPPAUGE: | |
1281 | rc->map_name = RC_MAP_HAUPPAUGE; | |
1282 | break; | |
1283 | case VENDOR_PCTV: | |
1284 | rc->map_name = RC_MAP_PINNACLE_PCTV_HD; | |
1285 | break; | |
1286 | default: | |
1287 | rc->map_name = RC_MAP_RC6_MCE; | |
1288 | } | |
1289 | if (mceusb_model[ir->model].rc_map) | |
1290 | rc->map_name = mceusb_model[ir->model].rc_map; | |
66e89522 | 1291 | |
d8b4b582 | 1292 | ret = rc_register_device(rc); |
66e89522 | 1293 | if (ret < 0) { |
6b4a16c3 | 1294 | dev_err(dev, "remote dev registration failed"); |
d8b4b582 | 1295 | goto out; |
66e89522 JW |
1296 | } |
1297 | ||
d8b4b582 | 1298 | return rc; |
66e89522 | 1299 | |
d8b4b582 DH |
1300 | out: |
1301 | rc_free_device(rc); | |
66e89522 JW |
1302 | return NULL; |
1303 | } | |
1304 | ||
4c62e976 GKH |
1305 | static int mceusb_dev_probe(struct usb_interface *intf, |
1306 | const struct usb_device_id *id) | |
66e89522 JW |
1307 | { |
1308 | struct usb_device *dev = interface_to_usbdev(intf); | |
1309 | struct usb_host_interface *idesc; | |
1310 | struct usb_endpoint_descriptor *ep = NULL; | |
1311 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1312 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1313 | struct mceusb_dev *ir = NULL; |
e1159cb3 | 1314 | int pipe, maxp, i, res; |
66e89522 | 1315 | char buf[63], name[128] = ""; |
37dbd3a6 | 1316 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1317 | bool is_gen3; |
1318 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1319 | bool tx_mask_normal; |
a6994eb0 | 1320 | int ir_intfnum; |
66e89522 | 1321 | |
6b4a16c3 | 1322 | dev_dbg(&intf->dev, "%s called", __func__); |
66e89522 | 1323 | |
66e89522 JW |
1324 | idesc = intf->cur_altsetting; |
1325 | ||
37dbd3a6 MCC |
1326 | is_gen3 = mceusb_model[model].mce_gen3; |
1327 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1328 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1329 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1330 | |
a6994eb0 JW |
1331 | /* There are multi-function devices with non-IR interfaces */ |
1332 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1333 | return -ENODEV; | |
66e89522 JW |
1334 | |
1335 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1336 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1337 | ep = &idesc->endpoint[i].desc; | |
1338 | ||
0cacb46a MD |
1339 | if (ep_in == NULL) { |
1340 | if (usb_endpoint_is_bulk_in(ep)) { | |
1341 | ep_in = ep; | |
1342 | dev_dbg(&intf->dev, "acceptable bulk inbound endpoint found\n"); | |
1343 | } else if (usb_endpoint_is_int_in(ep)) { | |
1344 | ep_in = ep; | |
1345 | ep_in->bInterval = 1; | |
1346 | dev_dbg(&intf->dev, "acceptable interrupt inbound endpoint found\n"); | |
1347 | } | |
66e89522 JW |
1348 | } |
1349 | ||
0cacb46a MD |
1350 | if (ep_out == NULL) { |
1351 | if (usb_endpoint_is_bulk_out(ep)) { | |
1352 | ep_out = ep; | |
1353 | dev_dbg(&intf->dev, "acceptable bulk outbound endpoint found\n"); | |
1354 | } else if (usb_endpoint_is_int_out(ep)) { | |
1355 | ep_out = ep; | |
1356 | ep_out->bInterval = 1; | |
1357 | dev_dbg(&intf->dev, "acceptable interrupt outbound endpoint found\n"); | |
1358 | } | |
66e89522 JW |
1359 | } |
1360 | } | |
03eb2a55 JH |
1361 | if (!ep_in || !ep_out) { |
1362 | dev_dbg(&intf->dev, "required endpoints not found\n"); | |
66e89522 JW |
1363 | return -ENODEV; |
1364 | } | |
1365 | ||
0cacb46a MD |
1366 | if (usb_endpoint_xfer_int(ep_in)) |
1367 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1368 | else | |
1369 | pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress); | |
66e89522 JW |
1370 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); |
1371 | ||
1372 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1373 | if (!ir) | |
1374 | goto mem_alloc_fail; | |
1375 | ||
a06854a6 | 1376 | ir->pipe_in = pipe; |
66e89522 JW |
1377 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); |
1378 | if (!ir->buf_in) | |
1379 | goto buf_in_alloc_fail; | |
1380 | ||
1381 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1382 | if (!ir->urb_in) | |
1383 | goto urb_in_alloc_fail; | |
1384 | ||
e947d9ad | 1385 | ir->usbdev = usb_get_dev(dev); |
66e89522 JW |
1386 | ir->dev = &intf->dev; |
1387 | ir->len_in = maxp; | |
66e89522 | 1388 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1389 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1390 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1391 | ir->model = model; |
1392 | ||
66e89522 | 1393 | /* Saving usb interface data for use by the transmitter routine */ |
66e89522 | 1394 | ir->usb_ep_out = ep_out; |
c779a9cd S |
1395 | if (usb_endpoint_xfer_int(ep_out)) |
1396 | ir->pipe_out = usb_sndintpipe(ir->usbdev, | |
1397 | ep_out->bEndpointAddress); | |
1398 | else | |
1399 | ir->pipe_out = usb_sndbulkpipe(ir->usbdev, | |
1400 | ep_out->bEndpointAddress); | |
66e89522 JW |
1401 | |
1402 | if (dev->descriptor.iManufacturer | |
1403 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1404 | buf, sizeof(buf)) > 0) | |
1405 | strlcpy(name, buf, sizeof(name)); | |
1406 | if (dev->descriptor.iProduct | |
1407 | && usb_string(dev, dev->descriptor.iProduct, | |
1408 | buf, sizeof(buf)) > 0) | |
1409 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1410 | " %s", buf); | |
1411 | ||
a06854a6 S |
1412 | /* |
1413 | * Initialize async USB error handler before registering | |
1414 | * or activating any mceusb RX and TX functions | |
1415 | */ | |
1416 | INIT_WORK(&ir->kevent, mceusb_deferred_kevent); | |
1417 | ||
e947d9ad | 1418 | ir->rc = mceusb_init_rc_dev(ir); |
d8b4b582 DH |
1419 | if (!ir->rc) |
1420 | goto rc_dev_fail; | |
66e89522 | 1421 | |
b48592e4 | 1422 | /* wire up inbound data handler */ |
8e175b22 S |
1423 | if (usb_endpoint_xfer_int(ep_in)) |
1424 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, | |
1425 | mceusb_dev_recv, ir, ep_in->bInterval); | |
1426 | else | |
1427 | usb_fill_bulk_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, | |
1428 | mceusb_dev_recv, ir); | |
1429 | ||
66e89522 JW |
1430 | ir->urb_in->transfer_dma = ir->dma_in; |
1431 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1432 | ||
3a918aa6 | 1433 | /* flush buffers on the device */ |
5c80992e | 1434 | dev_dbg(&intf->dev, "Flushing receive buffers"); |
e1159cb3 SY |
1435 | res = usb_submit_urb(ir->urb_in, GFP_KERNEL); |
1436 | if (res) | |
5c80992e | 1437 | dev_err(&intf->dev, "failed to flush buffers: %d", res); |
3a918aa6 | 1438 | |
ab1072eb JW |
1439 | /* figure out which firmware/emulator version this hardware has */ |
1440 | mceusb_get_emulator_version(ir); | |
1441 | ||
66e89522 | 1442 | /* initialize device */ |
22b0766b | 1443 | if (ir->flags.microsoft_gen1) |
66e89522 | 1444 | mceusb_gen1_init(ir); |
22b0766b | 1445 | else if (!is_gen3) |
66e89522 JW |
1446 | mceusb_gen2_init(ir); |
1447 | ||
22b0766b | 1448 | mceusb_get_parameters(ir); |
66e89522 | 1449 | |
b71969be JW |
1450 | mceusb_flash_led(ir); |
1451 | ||
6f6c625d | 1452 | if (!ir->flags.no_tx) |
d8b4b582 | 1453 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1454 | |
1455 | usb_set_intfdata(intf, ir); | |
1456 | ||
fa334898 JW |
1457 | /* enable wake via this device */ |
1458 | device_set_wakeup_capable(ir->dev, true); | |
1459 | device_set_wakeup_enable(ir->dev, true); | |
1460 | ||
6b4a16c3 SY |
1461 | dev_info(&intf->dev, "Registered %s with mce emulator interface version %x", |
1462 | name, ir->emver); | |
1463 | dev_info(&intf->dev, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)", | |
a411e839 JW |
1464 | ir->num_txports, ir->txports_cabled, |
1465 | ir->num_rxports, ir->rxports_active); | |
66e89522 JW |
1466 | |
1467 | return 0; | |
1468 | ||
1469 | /* Error-handling path */ | |
d8b4b582 | 1470 | rc_dev_fail: |
a06854a6 | 1471 | cancel_work_sync(&ir->kevent); |
e947d9ad | 1472 | usb_put_dev(ir->usbdev); |
e1159cb3 | 1473 | usb_kill_urb(ir->urb_in); |
66e89522 JW |
1474 | usb_free_urb(ir->urb_in); |
1475 | urb_in_alloc_fail: | |
1476 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1477 | buf_in_alloc_fail: | |
1478 | kfree(ir); | |
1479 | mem_alloc_fail: | |
6b4a16c3 | 1480 | dev_err(&intf->dev, "%s: device setup failed!", __func__); |
66e89522 JW |
1481 | |
1482 | return -ENOMEM; | |
1483 | } | |
1484 | ||
1485 | ||
4c62e976 | 1486 | static void mceusb_dev_disconnect(struct usb_interface *intf) |
66e89522 JW |
1487 | { |
1488 | struct usb_device *dev = interface_to_usbdev(intf); | |
1489 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1490 | ||
1491 | usb_set_intfdata(intf, NULL); | |
1492 | ||
1493 | if (!ir) | |
1494 | return; | |
1495 | ||
1496 | ir->usbdev = NULL; | |
a06854a6 | 1497 | cancel_work_sync(&ir->kevent); |
d8b4b582 | 1498 | rc_unregister_device(ir->rc); |
66e89522 JW |
1499 | usb_kill_urb(ir->urb_in); |
1500 | usb_free_urb(ir->urb_in); | |
1501 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
e947d9ad | 1502 | usb_put_dev(dev); |
66e89522 JW |
1503 | |
1504 | kfree(ir); | |
1505 | } | |
1506 | ||
1507 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1508 | { | |
1509 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1510 | dev_info(ir->dev, "suspend"); |
66e89522 JW |
1511 | usb_kill_urb(ir->urb_in); |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1516 | { | |
1517 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1518 | dev_info(ir->dev, "resume"); |
66e89522 JW |
1519 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) |
1520 | return -EIO; | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | static struct usb_driver mceusb_dev_driver = { | |
1525 | .name = DRIVER_NAME, | |
1526 | .probe = mceusb_dev_probe, | |
4c62e976 | 1527 | .disconnect = mceusb_dev_disconnect, |
66e89522 JW |
1528 | .suspend = mceusb_dev_suspend, |
1529 | .resume = mceusb_dev_resume, | |
1530 | .reset_resume = mceusb_dev_resume, | |
1531 | .id_table = mceusb_dev_table | |
1532 | }; | |
1533 | ||
ecb3b2b3 | 1534 | module_usb_driver(mceusb_dev_driver); |
66e89522 JW |
1535 | |
1536 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1537 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1538 | MODULE_LICENSE("GPL"); | |
1539 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); |