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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, |
47f42f3e | 191 | EVROMEDIA_FULL_HYBRID_FULLHD, |
8ff19cdb | 192 | ASTROMETA_T2HYBRID, |
37dbd3a6 MCC |
193 | }; |
194 | ||
195 | struct mceusb_model { | |
196 | u32 mce_gen1:1; | |
197 | u32 mce_gen2:1; | |
198 | u32 mce_gen3:1; | |
d8cc7fd7 | 199 | u32 tx_mask_normal:1; |
6f6c625d | 200 | u32 no_tx:1; |
37dbd3a6 | 201 | |
a6994eb0 JW |
202 | int ir_intfnum; |
203 | ||
17c2b1fd | 204 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 205 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
206 | }; |
207 | ||
208 | static const struct mceusb_model mceusb_model[] = { | |
209 | [MCE_GEN1] = { | |
210 | .mce_gen1 = 1, | |
d8cc7fd7 | 211 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
212 | }, |
213 | [MCE_GEN2] = { | |
214 | .mce_gen2 = 1, | |
215 | }, | |
2faa0ca8 JW |
216 | [MCE_GEN2_NO_TX] = { |
217 | .mce_gen2 = 1, | |
218 | .no_tx = 1, | |
219 | }, | |
37dbd3a6 MCC |
220 | [MCE_GEN2_TX_INV] = { |
221 | .mce_gen2 = 1, | |
d8cc7fd7 | 222 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
223 | }, |
224 | [MCE_GEN3] = { | |
225 | .mce_gen3 = 1, | |
d8cc7fd7 | 226 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
227 | }, |
228 | [POLARIS_EVK] = { | |
17c2b1fd MCC |
229 | /* |
230 | * In fact, the EVK is shipped without | |
231 | * remotes, but we should have something handy, | |
232 | * to allow testing it | |
233 | */ | |
6f6c625d JW |
234 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
235 | }, | |
236 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
237 | .no_tx = 1, /* tx isn't wired up at all */ |
238 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 239 | }, |
eda9dfd6 | 240 | [HAUPPAUGE_CX_HYBRID_TV] = { |
eda9dfd6 MS |
241 | .no_tx = 1, /* eeprom says it has no tx */ |
242 | .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX", | |
243 | }, | |
a6994eb0 JW |
244 | [MULTIFUNCTION] = { |
245 | .mce_gen2 = 1, | |
246 | .ir_intfnum = 2, | |
247 | }, | |
d8ee99e7 JW |
248 | [TIVO_KIT] = { |
249 | .mce_gen2 = 1, | |
250 | .rc_map = RC_MAP_TIVO, | |
251 | }, | |
47f42f3e OK |
252 | [EVROMEDIA_FULL_HYBRID_FULLHD] = { |
253 | .name = "Evromedia USB Full Hybrid Full HD", | |
254 | .no_tx = 1, | |
255 | .rc_map = RC_MAP_MSI_DIGIVOX_III, | |
256 | }, | |
8ff19cdb OK |
257 | [ASTROMETA_T2HYBRID] = { |
258 | .name = "Astrometa T2Hybrid", | |
259 | .no_tx = 1, | |
260 | .rc_map = RC_MAP_ASTROMETA_T2HYBRID, | |
261 | } | |
37dbd3a6 MCC |
262 | }; |
263 | ||
5fad16b5 | 264 | static const struct usb_device_id mceusb_dev_table[] = { |
66e89522 | 265 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ |
37dbd3a6 MCC |
266 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
267 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
268 | /* Philips Infrared Transceiver - Sahara branded */ |
269 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
270 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
271 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
272 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
273 | /* Philips SRM5100 */ |
274 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
275 | /* Philips Infrared Transceiver - Omaura */ | |
276 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
277 | /* Philips Infrared Transceiver - Spinel plus */ | |
278 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
279 | /* Philips eHome Infrared Transceiver */ | |
280 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
281 | /* Philips/Spinel plus IR transceiver for ASUS */ |
282 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
283 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
284 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 | 285 | /* Philips IR transceiver (Dell branded) */ |
8dfef674 SY |
286 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093), |
287 | .driver_info = MCE_GEN2_TX_INV }, | |
a6994eb0 JW |
288 | /* Realtek MCE IR Receiver and card reader */ |
289 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
290 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 291 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 MCC |
292 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
293 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 294 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
295 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
296 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 297 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
298 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
299 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
300 | /* SMK eHome Infrared Transceiver */ |
301 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
302 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
303 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
304 | .driver_info = MCE_GEN2_NO_TX }, | |
18693843 OS |
305 | /* SMK RXX6000 Infrared Receiver */ |
306 | { USB_DEVICE(VENDOR_SMK, 0x0357), | |
307 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
308 | /* Tatung eHome Infrared Transceiver */ |
309 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
310 | /* Shuttle eHome Infrared Transceiver */ | |
311 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
312 | /* Shuttle eHome Infrared Transceiver */ | |
313 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
314 | /* Gateway eHome Infrared Transceiver */ | |
315 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
316 | /* Mitsumi */ | |
317 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
318 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
319 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
320 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 321 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
322 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
323 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 324 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
325 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
326 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 327 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
328 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
329 | .driver_info = MCE_GEN3 }, | |
66e89522 | 330 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
331 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
332 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 333 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 334 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
7d9a46f9 | 335 | .driver_info = MCE_GEN3 }, |
66e89522 JW |
336 | /* Ricavision internal Infrared Transceiver */ |
337 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
338 | /* Itron ione Libra Q-11 */ | |
339 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
340 | /* FIC eHome Infrared Transceiver */ | |
341 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
342 | /* LG eHome Infrared Transceiver */ | |
343 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
344 | /* Microsoft MCE Infrared Transceiver */ | |
345 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
346 | /* Formosa eHome Infrared Transceiver */ | |
347 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
348 | /* Formosa21 / eHome Infrared Receiver */ | |
349 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
350 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
351 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
352 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
353 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
354 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
355 | /* Formosa21 / eHome Infrared Receiver */ | |
356 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
357 | /* Formosa Industrial Computing AIM IR605/A */ | |
358 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
359 | /* Formosa Industrial Computing */ | |
360 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
22f1732f JW |
361 | /* Formosa Industrial Computing */ |
362 | { USB_DEVICE(VENDOR_FORMOSA, 0xe042) }, | |
fbb1f1b0 | 363 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
db8ee106 SY |
364 | { USB_DEVICE(VENDOR_FINTEK, 0x5168), |
365 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
366 | /* Fintek eHome Infrared Transceiver */ |
367 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
368 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
369 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
370 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
371 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
372 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
373 | /* Elitegroup Computer Systems IR */ |
374 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
375 | /* Wistron Corp. eHome Infrared Receiver */ | |
376 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
377 | /* Compro K100 */ | |
378 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
379 | /* Compro K100 v2 */ | |
380 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
381 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
382 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
383 | /* TiVo PC IR Receiver */ | |
d8ee99e7 JW |
384 | { USB_DEVICE(VENDOR_TIVO, 0x2000), |
385 | .driver_info = TIVO_KIT }, | |
6f6c625d | 386 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
387 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
388 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
389 | /* Conexant Hybrid TV RDU253S Polaris */ |
390 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
391 | .driver_info = CX_HYBRID_TV }, | |
a4de5f05 ML |
392 | /* Twisted Melon Inc. - Manta Mini Receiver */ |
393 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) }, | |
394 | /* Twisted Melon Inc. - Manta Pico Receiver */ | |
395 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, | |
396 | /* Twisted Melon Inc. - Manta Transceiver */ | |
397 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, | |
eda9dfd6 MS |
398 | /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */ |
399 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130), | |
400 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
401 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb131), |
402 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
66756611 MS |
403 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb138), |
404 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
405 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb139), | |
406 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
407 | { USB_DEVICE(VENDOR_PCTV, 0x0259), |
408 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
409 | { USB_DEVICE(VENDOR_PCTV, 0x025e), | |
410 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
e186613a OS |
411 | /* Adaptec / HP eHome Receiver */ |
412 | { USB_DEVICE(VENDOR_ADAPTEC, 0x0094) }, | |
47f42f3e OK |
413 | /* Evromedia USB Full Hybrid Full HD */ |
414 | { USB_DEVICE(0x1b80, 0xd3b2), | |
415 | .driver_info = EVROMEDIA_FULL_HYBRID_FULLHD }, | |
8ff19cdb OK |
416 | /* Astrometa T2hybrid */ |
417 | { USB_DEVICE(0x15f4, 0x0135), | |
418 | .driver_info = ASTROMETA_T2HYBRID }, | |
9683e01e | 419 | |
66e89522 JW |
420 | /* Terminating entry */ |
421 | { } | |
422 | }; | |
423 | ||
66e89522 JW |
424 | /* data structure for each usb transceiver */ |
425 | struct mceusb_dev { | |
426 | /* ir-core bits */ | |
d8b4b582 | 427 | struct rc_dev *rc; |
2ee95db2 JW |
428 | |
429 | /* optional features we can enable */ | |
2ee95db2 | 430 | bool learning_enabled; |
66e89522 JW |
431 | |
432 | /* core device bits */ | |
433 | struct device *dev; | |
66e89522 JW |
434 | |
435 | /* usb */ | |
436 | struct usb_device *usbdev; | |
437 | struct urb *urb_in; | |
a06854a6 | 438 | unsigned int pipe_in; |
66e89522 | 439 | struct usb_endpoint_descriptor *usb_ep_out; |
c779a9cd | 440 | unsigned int pipe_out; |
66e89522 JW |
441 | |
442 | /* buffers and dma */ | |
443 | unsigned char *buf_in; | |
444 | unsigned int len_in; | |
2ee95db2 | 445 | dma_addr_t dma_in; |
39dc5c3a MCC |
446 | |
447 | enum { | |
448 | CMD_HEADER = 0, | |
449 | SUBCMD, | |
450 | CMD_DATA, | |
451 | PARSE_IRDATA, | |
452 | } parser_state; | |
39dc5c3a | 453 | |
2ee95db2 | 454 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
455 | |
456 | struct { | |
457 | u32 connected:1; | |
d8cc7fd7 | 458 | u32 tx_mask_normal:1; |
66e89522 | 459 | u32 microsoft_gen1:1; |
6f6c625d | 460 | u32 no_tx:1; |
66e89522 JW |
461 | } flags; |
462 | ||
e23fb964 | 463 | /* transmit support */ |
e23fb964 JW |
464 | u32 carrier; |
465 | unsigned char tx_mask; | |
66e89522 JW |
466 | |
467 | char name[128]; | |
468 | char phys[64]; | |
37dbd3a6 | 469 | enum mceusb_model_type model; |
4840b788 JW |
470 | |
471 | bool need_reset; /* flag to issue a device resume cmd */ | |
ab1072eb | 472 | u8 emver; /* emulator interface version */ |
a411e839 JW |
473 | u8 num_txports; /* number of transmit ports */ |
474 | u8 num_rxports; /* number of receive sensors */ | |
475 | u8 txports_cabled; /* bitmask of transmitters with cable */ | |
476 | u8 rxports_active; /* bitmask of active receive sensors */ | |
a06854a6 S |
477 | |
478 | /* | |
479 | * support for async error handler mceusb_deferred_kevent() | |
480 | * where usb_clear_halt(), usb_reset_configuration(), | |
481 | * usb_reset_device(), etc. must be done in process context | |
482 | */ | |
483 | struct work_struct kevent; | |
484 | unsigned long kevent_flags; | |
485 | # define EVENT_TX_HALT 0 | |
486 | # define EVENT_RX_HALT 1 | |
66e89522 JW |
487 | }; |
488 | ||
a6fbd3b7 JW |
489 | /* MCE Device Command Strings, generally a port and command pair */ |
490 | static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, | |
491 | MCE_CMD_RESUME}; | |
492 | static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; | |
ab1072eb | 493 | static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; |
a6fbd3b7 | 494 | static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; |
b71969be | 495 | static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; |
a6fbd3b7 JW |
496 | static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; |
497 | static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; | |
498 | static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; | |
a411e839 | 499 | static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; |
a6fbd3b7 JW |
500 | static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; |
501 | static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; | |
66e89522 JW |
502 | /* sub in desired values in lower byte or bytes for full command */ |
503 | /* FIXME: make use of these for transmit. | |
a6fbd3b7 JW |
504 | static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, |
505 | MCE_CMD_SETIRCFS, 0x00, 0x00}; | |
506 | static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; | |
507 | static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, | |
508 | MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; | |
509 | static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, | |
510 | MCE_RSP_EQIRRXPORTEN, 0x00}; | |
66e89522 JW |
511 | */ |
512 | ||
76dea4cf | 513 | static int mceusb_cmd_datasize(u8 cmd, u8 subcmd) |
39dc5c3a MCC |
514 | { |
515 | int datasize = 0; | |
516 | ||
517 | switch (cmd) { | |
a6fbd3b7 JW |
518 | case MCE_CMD_NULL: |
519 | if (subcmd == MCE_CMD_PORT_SYS) | |
39dc5c3a MCC |
520 | datasize = 1; |
521 | break; | |
a6fbd3b7 | 522 | case MCE_CMD_PORT_SYS: |
39dc5c3a | 523 | switch (subcmd) { |
76dea4cf WS |
524 | case MCE_RSP_GETPORTSTATUS: |
525 | datasize = 5; | |
526 | break; | |
a6fbd3b7 JW |
527 | case MCE_RSP_EQWAKEVERSION: |
528 | datasize = 4; | |
529 | break; | |
4a883918 | 530 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
531 | datasize = 2; |
532 | break; | |
a6fbd3b7 | 533 | case MCE_RSP_EQWAKESUPPORT: |
76dea4cf WS |
534 | case MCE_RSP_GETWAKESOURCE: |
535 | case MCE_RSP_EQDEVDETAILS: | |
536 | case MCE_RSP_EQEMVER: | |
a6fbd3b7 JW |
537 | datasize = 1; |
538 | break; | |
39dc5c3a | 539 | } |
a6fbd3b7 | 540 | case MCE_CMD_PORT_IR: |
39dc5c3a | 541 | switch (subcmd) { |
4a883918 | 542 | case MCE_CMD_UNKNOWN: |
a6fbd3b7 JW |
543 | case MCE_RSP_EQIRCFS: |
544 | case MCE_RSP_EQIRTIMEOUT: | |
545 | case MCE_RSP_EQIRRXCFCNT: | |
76dea4cf | 546 | case MCE_RSP_EQIRNUMPORTS: |
39dc5c3a MCC |
547 | datasize = 2; |
548 | break; | |
1cd50f25 | 549 | case MCE_CMD_SIG_END: |
a6fbd3b7 JW |
550 | case MCE_RSP_EQIRTXPORTS: |
551 | case MCE_RSP_EQIRRXPORTEN: | |
39dc5c3a MCC |
552 | datasize = 1; |
553 | break; | |
554 | } | |
555 | } | |
556 | return datasize; | |
557 | } | |
558 | ||
ff05cf09 SY |
559 | static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len, |
560 | int offset, int len, bool out) | |
66e89522 | 561 | { |
6b4a16c3 SY |
562 | #if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) |
563 | char *inout; | |
ff05cf09 | 564 | u8 cmd, subcmd, *data; |
66e89522 | 565 | struct device *dev = ir->dev; |
6b4a16c3 | 566 | int start, skip = 0; |
e217fb43 | 567 | u32 carrier, period; |
36e9d260 | 568 | |
657290b6 | 569 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 570 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 571 | skip = 2; |
66e89522 | 572 | |
36e9d260 | 573 | if (len <= skip) |
66e89522 JW |
574 | return; |
575 | ||
6b4a16c3 | 576 | dev_dbg(dev, "%cx data: %*ph (length=%d)", |
5c80992e S |
577 | (out ? 't' : 'r'), |
578 | min(len, buf_len - offset), buf + offset, len); | |
66e89522 | 579 | |
6b4a16c3 | 580 | inout = out ? "Request" : "Got"; |
66e89522 | 581 | |
36e9d260 JW |
582 | start = offset + skip; |
583 | cmd = buf[start] & 0xff; | |
584 | subcmd = buf[start + 1] & 0xff; | |
ff05cf09 | 585 | data = buf + start + 2; |
66e89522 JW |
586 | |
587 | switch (cmd) { | |
a6fbd3b7 | 588 | case MCE_CMD_NULL: |
a411e839 JW |
589 | if (subcmd == MCE_CMD_NULL) |
590 | break; | |
a6fbd3b7 | 591 | if ((subcmd == MCE_CMD_PORT_SYS) && |
ff05cf09 | 592 | (data[0] == MCE_CMD_RESUME)) |
6b4a16c3 | 593 | dev_dbg(dev, "Device resume requested"); |
66e89522 | 594 | else |
6b4a16c3 | 595 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
596 | cmd, subcmd); |
597 | break; | |
a6fbd3b7 | 598 | case MCE_CMD_PORT_SYS: |
66e89522 | 599 | switch (subcmd) { |
a6fbd3b7 JW |
600 | case MCE_RSP_EQEMVER: |
601 | if (!out) | |
6b4a16c3 | 602 | dev_dbg(dev, "Emulator interface version %x", |
ff05cf09 | 603 | data[0]); |
a6fbd3b7 | 604 | break; |
4a883918 | 605 | case MCE_CMD_G_REVISION: |
66e89522 | 606 | if (len == 2) |
6b4a16c3 | 607 | dev_dbg(dev, "Get hw/sw rev?"); |
66e89522 | 608 | else |
eef8fc37 MCC |
609 | dev_dbg(dev, "hw/sw rev %*ph", |
610 | 4, &buf[start + 2]); | |
66e89522 | 611 | break; |
a6fbd3b7 | 612 | case MCE_CMD_RESUME: |
6b4a16c3 | 613 | dev_dbg(dev, "Device resume requested"); |
a6fbd3b7 JW |
614 | break; |
615 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 616 | dev_dbg(dev, "Illegal PORT_SYS command"); |
a6fbd3b7 JW |
617 | break; |
618 | case MCE_RSP_EQWAKEVERSION: | |
619 | if (!out) | |
25ec587c | 620 | dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x", |
ff05cf09 | 621 | data[0], data[1], data[2], data[3]); |
66e89522 | 622 | break; |
a6fbd3b7 JW |
623 | case MCE_RSP_GETPORTSTATUS: |
624 | if (!out) | |
625 | /* We use data1 + 1 here, to match hw labels */ | |
6b4a16c3 | 626 | dev_dbg(dev, "TX port %d: blaster is%s connected", |
ff05cf09 | 627 | data[0] + 1, data[3] ? " not" : ""); |
66e89522 | 628 | break; |
b71969be | 629 | case MCE_CMD_FLASHLED: |
6b4a16c3 | 630 | dev_dbg(dev, "Attempting to flash LED"); |
b71969be | 631 | break; |
66e89522 | 632 | default: |
6b4a16c3 | 633 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
634 | cmd, subcmd); |
635 | break; | |
636 | } | |
637 | break; | |
a6fbd3b7 | 638 | case MCE_CMD_PORT_IR: |
66e89522 | 639 | switch (subcmd) { |
1cd50f25 | 640 | case MCE_CMD_SIG_END: |
6b4a16c3 | 641 | dev_dbg(dev, "End of signal"); |
1cd50f25 | 642 | break; |
4a883918 | 643 | case MCE_CMD_PING: |
6b4a16c3 | 644 | dev_dbg(dev, "Ping"); |
66e89522 | 645 | break; |
4a883918 | 646 | case MCE_CMD_UNKNOWN: |
6b4a16c3 | 647 | dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x", |
ff05cf09 | 648 | data[0], data[1]); |
66e89522 | 649 | break; |
e217fb43 | 650 | case MCE_RSP_EQIRCFS: |
ff05cf09 SY |
651 | period = DIV_ROUND_CLOSEST((1U << data[0] * 2) * |
652 | (data[1] + 1), 10); | |
e217fb43 JW |
653 | if (!period) |
654 | break; | |
655 | carrier = (1000 * 1000) / period; | |
6b4a16c3 | 656 | dev_dbg(dev, "%s carrier of %u Hz (period %uus)", |
e217fb43 | 657 | inout, carrier, period); |
66e89522 | 658 | break; |
a6fbd3b7 | 659 | case MCE_CMD_GETIRCFS: |
6b4a16c3 | 660 | dev_dbg(dev, "Get carrier mode and freq"); |
66e89522 | 661 | break; |
a6fbd3b7 | 662 | case MCE_RSP_EQIRTXPORTS: |
6b4a16c3 | 663 | dev_dbg(dev, "%s transmit blaster mask of 0x%02x", |
ff05cf09 | 664 | inout, data[0]); |
66e89522 | 665 | break; |
a6fbd3b7 | 666 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 667 | /* value is in units of 50us, so x*50/1000 ms */ |
ff05cf09 SY |
668 | period = ((data[0] << 8) | data[1]) * |
669 | MCE_TIME_UNIT / 1000; | |
6b4a16c3 | 670 | dev_dbg(dev, "%s receive timeout of %d ms", |
e217fb43 | 671 | inout, period); |
66e89522 | 672 | break; |
a6fbd3b7 | 673 | case MCE_CMD_GETIRTIMEOUT: |
6b4a16c3 | 674 | dev_dbg(dev, "Get receive timeout"); |
66e89522 | 675 | break; |
a6fbd3b7 | 676 | case MCE_CMD_GETIRTXPORTS: |
6b4a16c3 | 677 | dev_dbg(dev, "Get transmit blaster mask"); |
66e89522 | 678 | break; |
a6fbd3b7 | 679 | case MCE_RSP_EQIRRXPORTEN: |
6b4a16c3 | 680 | dev_dbg(dev, "%s %s-range receive sensor in use", |
ff05cf09 | 681 | inout, data[0] == 0x02 ? "short" : "long"); |
66e89522 | 682 | break; |
a6fbd3b7 JW |
683 | case MCE_CMD_GETIRRXPORTEN: |
684 | /* aka MCE_RSP_EQIRRXCFCNT */ | |
2ee95db2 | 685 | if (out) |
6b4a16c3 | 686 | dev_dbg(dev, "Get receive sensor"); |
2ee95db2 | 687 | else if (ir->learning_enabled) |
6b4a16c3 | 688 | dev_dbg(dev, "RX pulse count: %d", |
ff05cf09 | 689 | ((data[0] << 8) | data[1])); |
66e89522 | 690 | break; |
a6fbd3b7 JW |
691 | case MCE_RSP_EQIRNUMPORTS: |
692 | if (out) | |
693 | break; | |
6b4a16c3 | 694 | dev_dbg(dev, "Num TX ports: %x, num RX ports: %x", |
ff05cf09 | 695 | data[0], data[1]); |
a6fbd3b7 JW |
696 | break; |
697 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 698 | dev_dbg(dev, "Illegal PORT_IR command"); |
66e89522 | 699 | break; |
66e89522 | 700 | default: |
6b4a16c3 | 701 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
702 | cmd, subcmd); |
703 | break; | |
704 | } | |
705 | break; | |
706 | default: | |
707 | break; | |
708 | } | |
36e9d260 JW |
709 | |
710 | if (cmd == MCE_IRDATA_TRAILER) | |
6b4a16c3 | 711 | dev_dbg(dev, "End of raw IR data"); |
a6fbd3b7 JW |
712 | else if ((cmd != MCE_CMD_PORT_IR) && |
713 | ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) | |
6b4a16c3 SY |
714 | dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem); |
715 | #endif | |
66e89522 JW |
716 | } |
717 | ||
a06854a6 S |
718 | /* |
719 | * Schedule work that can't be done in interrupt handlers | |
720 | * (mceusb_dev_recv() and mce_async_callback()) nor tasklets. | |
721 | * Invokes mceusb_deferred_kevent() for recovering from | |
722 | * error events specified by the kevent bit field. | |
723 | */ | |
724 | static void mceusb_defer_kevent(struct mceusb_dev *ir, int kevent) | |
725 | { | |
726 | set_bit(kevent, &ir->kevent_flags); | |
727 | if (!schedule_work(&ir->kevent)) | |
728 | dev_err(ir->dev, "kevent %d may have been dropped", kevent); | |
729 | else | |
730 | dev_dbg(ir->dev, "kevent %d scheduled", kevent); | |
731 | } | |
732 | ||
6ac454aa | 733 | static void mce_async_callback(struct urb *urb) |
66e89522 JW |
734 | { |
735 | struct mceusb_dev *ir; | |
736 | int len; | |
737 | ||
738 | if (!urb) | |
739 | return; | |
740 | ||
741 | ir = urb->context; | |
6b4a16c3 SY |
742 | |
743 | switch (urb->status) { | |
744 | /* success */ | |
745 | case 0: | |
66e89522 JW |
746 | len = urb->actual_length; |
747 | ||
5c80992e S |
748 | mceusb_dev_printdata(ir, urb->transfer_buffer, len, |
749 | 0, len, true); | |
6b4a16c3 SY |
750 | break; |
751 | ||
752 | case -ECONNRESET: | |
753 | case -ENOENT: | |
754 | case -EILSEQ: | |
755 | case -ESHUTDOWN: | |
756 | break; | |
757 | ||
758 | case -EPIPE: | |
c779a9cd S |
759 | dev_err(ir->dev, "Error: request urb status = %d (TX HALT)", |
760 | urb->status); | |
761 | mceusb_defer_kevent(ir, EVENT_TX_HALT); | |
762 | break; | |
763 | ||
6b4a16c3 SY |
764 | default: |
765 | dev_err(ir->dev, "Error: request urb status = %d", urb->status); | |
766 | break; | |
66e89522 JW |
767 | } |
768 | ||
0b43fcdf JW |
769 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
770 | kfree(urb->transfer_buffer); | |
771 | usb_free_urb(urb); | |
66e89522 JW |
772 | } |
773 | ||
5c80992e | 774 | /* request outgoing (send) usb packet - used to initialize remote */ |
51ea6292 | 775 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
e1159cb3 | 776 | int size) |
66e89522 | 777 | { |
c779a9cd | 778 | int res; |
66e89522 JW |
779 | struct urb *async_urb; |
780 | struct device *dev = ir->dev; | |
781 | unsigned char *async_buf; | |
782 | ||
e1159cb3 SY |
783 | async_urb = usb_alloc_urb(0, GFP_KERNEL); |
784 | if (unlikely(!async_urb)) { | |
5c80992e | 785 | dev_err(dev, "Error, couldn't allocate urb!"); |
e1159cb3 SY |
786 | return; |
787 | } | |
66e89522 | 788 | |
e1159cb3 SY |
789 | async_buf = kmalloc(size, GFP_KERNEL); |
790 | if (!async_buf) { | |
791 | usb_free_urb(async_urb); | |
792 | return; | |
793 | } | |
66e89522 | 794 | |
e1159cb3 | 795 | /* outbound data */ |
c779a9cd S |
796 | if (usb_endpoint_xfer_int(ir->usb_ep_out)) |
797 | usb_fill_int_urb(async_urb, ir->usbdev, ir->pipe_out, | |
798 | async_buf, size, mce_async_callback, ir, | |
e1159cb3 | 799 | ir->usb_ep_out->bInterval); |
c779a9cd S |
800 | else |
801 | usb_fill_bulk_urb(async_urb, ir->usbdev, ir->pipe_out, | |
802 | async_buf, size, mce_async_callback, ir); | |
803 | ||
e1159cb3 | 804 | memcpy(async_buf, data, size); |
66e89522 | 805 | |
5c80992e | 806 | dev_dbg(dev, "send request called (size=%#x)", size); |
66e89522 | 807 | |
66e89522 JW |
808 | res = usb_submit_urb(async_urb, GFP_ATOMIC); |
809 | if (res) { | |
5c80992e | 810 | dev_err(dev, "send request FAILED! (res=%d)", res); |
2d5a6ce7 JH |
811 | kfree(async_buf); |
812 | usb_free_urb(async_urb); | |
66e89522 JW |
813 | return; |
814 | } | |
5c80992e | 815 | dev_dbg(dev, "send request complete (res=%d)", res); |
66e89522 JW |
816 | } |
817 | ||
818 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
819 | { | |
4840b788 JW |
820 | int rsize = sizeof(DEVICE_RESUME); |
821 | ||
822 | if (ir->need_reset) { | |
823 | ir->need_reset = false; | |
e1159cb3 | 824 | mce_request_packet(ir, DEVICE_RESUME, rsize); |
4840b788 JW |
825 | msleep(10); |
826 | } | |
827 | ||
e1159cb3 | 828 | mce_request_packet(ir, data, size); |
417c0a23 | 829 | msleep(10); |
66e89522 JW |
830 | } |
831 | ||
e23fb964 | 832 | /* Send data out the IR blaster port(s) */ |
5588dc2b | 833 | static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) |
e23fb964 | 834 | { |
d8b4b582 | 835 | struct mceusb_dev *ir = dev->priv; |
db8ee106 | 836 | int i, length, ret = 0; |
5588dc2b | 837 | int cmdcount = 0; |
db8ee106 | 838 | unsigned char cmdbuf[MCE_CMDBUF_SIZE]; |
e23fb964 JW |
839 | |
840 | /* MCE tx init header */ | |
a6fbd3b7 JW |
841 | cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; |
842 | cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; | |
e23fb964 JW |
843 | cmdbuf[cmdcount++] = ir->tx_mask; |
844 | ||
db8ee106 SY |
845 | /* Send the set TX ports command */ |
846 | mce_async_out(ir, cmdbuf, cmdcount); | |
847 | cmdcount = 0; | |
848 | ||
e23fb964 JW |
849 | /* Generate mce packet data */ |
850 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
e23fb964 JW |
851 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; |
852 | ||
853 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
854 | ||
855 | /* Insert mce packet header every 4th entry */ | |
856 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
db8ee106 | 857 | (cmdcount % MCE_CODE_LENGTH) == 0) |
4a883918 | 858 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
859 | |
860 | /* Insert mce packet data */ | |
861 | if (cmdcount < MCE_CMDBUF_SIZE) | |
862 | cmdbuf[cmdcount++] = | |
863 | (txbuf[i] < MCE_PULSE_BIT ? | |
864 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
865 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
866 | else { | |
867 | ret = -EINVAL; | |
868 | goto out; | |
869 | } | |
870 | ||
871 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
872 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
873 | } | |
874 | ||
e23fb964 JW |
875 | /* Check if we have room for the empty packet at the end */ |
876 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
877 | ret = -EINVAL; | |
878 | goto out; | |
879 | } | |
880 | ||
b940a221 DC |
881 | /* Fix packet length in last header */ |
882 | length = cmdcount % MCE_CODE_LENGTH; | |
883 | cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length; | |
884 | ||
e23fb964 | 885 | /* All mce commands end with an empty packet (0x80) */ |
4a883918 | 886 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
887 | |
888 | /* Transmit the command to the mce device */ | |
889 | mce_async_out(ir, cmdbuf, cmdcount); | |
890 | ||
e23fb964 | 891 | out: |
5588dc2b | 892 | return ret ? ret : count; |
e23fb964 JW |
893 | } |
894 | ||
6f6c625d | 895 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 896 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 897 | { |
d8b4b582 | 898 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 899 | |
20f5a827 SY |
900 | /* return number of transmitters */ |
901 | int emitters = ir->num_txports ? ir->num_txports : 2; | |
902 | ||
903 | if (mask >= (1 << emitters)) | |
904 | return emitters; | |
905 | ||
d8cc7fd7 JW |
906 | if (ir->flags.tx_mask_normal) |
907 | ir->tx_mask = mask; | |
908 | else | |
4a883918 JW |
909 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
910 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
911 | |
912 | return 0; | |
913 | } | |
914 | ||
e23fb964 | 915 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 916 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 917 | { |
d8b4b582 | 918 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
919 | int clk = 10000000; |
920 | int prescaler = 0, divisor = 0; | |
a6fbd3b7 JW |
921 | unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, |
922 | MCE_CMD_SETIRCFS, 0x00, 0x00 }; | |
e23fb964 JW |
923 | |
924 | /* Carrier has changed */ | |
925 | if (ir->carrier != carrier) { | |
926 | ||
927 | if (carrier == 0) { | |
928 | ir->carrier = carrier; | |
1cd50f25 | 929 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 930 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
6b4a16c3 | 931 | dev_dbg(ir->dev, "disabling carrier modulation"); |
e23fb964 | 932 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); |
3cf8d8e4 | 933 | return 0; |
e23fb964 JW |
934 | } |
935 | ||
936 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
937 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 938 | if (divisor <= 0xff) { |
e23fb964 JW |
939 | ir->carrier = carrier; |
940 | cmdbuf[2] = prescaler; | |
941 | cmdbuf[3] = divisor; | |
6b4a16c3 SY |
942 | dev_dbg(ir->dev, "requesting %u HZ carrier", |
943 | carrier); | |
e23fb964 JW |
944 | |
945 | /* Transmit new carrier to mce device */ | |
946 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
3cf8d8e4 | 947 | return 0; |
e23fb964 JW |
948 | } |
949 | } | |
950 | ||
951 | return -EINVAL; | |
952 | ||
953 | } | |
954 | ||
14d8188a | 955 | return 0; |
e23fb964 JW |
956 | } |
957 | ||
2ee95db2 JW |
958 | /* |
959 | * We don't do anything but print debug spew for many of the command bits | |
960 | * we receive from the hardware, but some of them are useful information | |
961 | * we want to store so that we can use them. | |
962 | */ | |
963 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
964 | { | |
965 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
966 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
967 | ||
968 | switch (ir->buf_in[index]) { | |
a411e839 JW |
969 | /* the one and only 5-byte return value command */ |
970 | case MCE_RSP_GETPORTSTATUS: | |
971 | if ((ir->buf_in[index + 4] & 0xff) == 0x00) | |
972 | ir->txports_cabled |= 1 << hi; | |
973 | break; | |
974 | ||
2ee95db2 | 975 | /* 2-byte return value commands */ |
a6fbd3b7 | 976 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 977 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); |
2ee95db2 | 978 | break; |
a411e839 JW |
979 | case MCE_RSP_EQIRNUMPORTS: |
980 | ir->num_txports = hi; | |
981 | ir->num_rxports = lo; | |
982 | break; | |
2ee95db2 JW |
983 | |
984 | /* 1-byte return value commands */ | |
ab1072eb JW |
985 | case MCE_RSP_EQEMVER: |
986 | ir->emver = hi; | |
987 | break; | |
a6fbd3b7 | 988 | case MCE_RSP_EQIRTXPORTS: |
2ee95db2 JW |
989 | ir->tx_mask = hi; |
990 | break; | |
a6fbd3b7 JW |
991 | case MCE_RSP_EQIRRXPORTEN: |
992 | ir->learning_enabled = ((hi & 0x02) == 0x02); | |
a411e839 | 993 | ir->rxports_active = hi; |
2ee95db2 | 994 | break; |
4840b788 JW |
995 | case MCE_RSP_CMD_ILLEGAL: |
996 | ir->need_reset = true; | |
997 | break; | |
2ee95db2 JW |
998 | default: |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | ||
66e89522 JW |
1003 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
1004 | { | |
4651918a | 1005 | DEFINE_IR_RAW_EVENT(rawir); |
b83bfd1b | 1006 | bool event = false; |
39dc5c3a | 1007 | int i = 0; |
66e89522 JW |
1008 | |
1009 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
1010 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 1011 | i = 2; |
66e89522 | 1012 | |
29b4494b JW |
1013 | /* if there's no data, just return now */ |
1014 | if (buf_len <= i) | |
1015 | return; | |
1016 | ||
39dc5c3a MCC |
1017 | for (; i < buf_len; i++) { |
1018 | switch (ir->parser_state) { | |
1019 | case SUBCMD: | |
76dea4cf | 1020 | ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]); |
5c80992e | 1021 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, i - 1, |
36e9d260 | 1022 | ir->rem + 2, false); |
2ee95db2 | 1023 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
1024 | ir->parser_state = CMD_DATA; |
1025 | break; | |
1026 | case PARSE_IRDATA: | |
66e89522 | 1027 | ir->rem--; |
5bd9d73c | 1028 | init_ir_raw_event(&rawir); |
66e89522 JW |
1029 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
1030 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
b4608fae | 1031 | * US_TO_NS(MCE_TIME_UNIT); |
66e89522 | 1032 | |
5c80992e | 1033 | dev_dbg(ir->dev, "Storing %s with duration %u", |
66e89522 JW |
1034 | rawir.pulse ? "pulse" : "space", |
1035 | rawir.duration); | |
1036 | ||
b83bfd1b SY |
1037 | if (ir_raw_event_store_with_filter(ir->rc, &rawir)) |
1038 | event = true; | |
39dc5c3a MCC |
1039 | break; |
1040 | case CMD_DATA: | |
1041 | ir->rem--; | |
1042 | break; | |
1043 | case CMD_HEADER: | |
1044 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
1045 | /* IR data packets can span USB messages - rem */ | |
1046 | ir->cmd = ir->buf_in[i]; | |
a6fbd3b7 JW |
1047 | if ((ir->cmd == MCE_CMD_PORT_IR) || |
1048 | ((ir->cmd & MCE_PORT_MASK) != | |
4a883918 | 1049 | MCE_COMMAND_IRDATA)) { |
39dc5c3a MCC |
1050 | ir->parser_state = SUBCMD; |
1051 | continue; | |
1052 | } | |
1053 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
5c80992e | 1054 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, |
2ee95db2 | 1055 | i, ir->rem + 1, false); |
1cd50f25 | 1056 | if (ir->rem) |
39dc5c3a | 1057 | ir->parser_state = PARSE_IRDATA; |
5bd9d73c JW |
1058 | else |
1059 | ir_raw_event_reset(ir->rc); | |
39dc5c3a | 1060 | break; |
66e89522 JW |
1061 | } |
1062 | ||
39dc5c3a MCC |
1063 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
1064 | ir->parser_state = CMD_HEADER; | |
66e89522 | 1065 | } |
b83bfd1b | 1066 | if (event) { |
6b4a16c3 | 1067 | dev_dbg(ir->dev, "processed IR data"); |
b83bfd1b SY |
1068 | ir_raw_event_handle(ir->rc); |
1069 | } | |
66e89522 JW |
1070 | } |
1071 | ||
6ac454aa | 1072 | static void mceusb_dev_recv(struct urb *urb) |
66e89522 JW |
1073 | { |
1074 | struct mceusb_dev *ir; | |
66e89522 JW |
1075 | |
1076 | if (!urb) | |
1077 | return; | |
1078 | ||
1079 | ir = urb->context; | |
1080 | if (!ir) { | |
1081 | usb_unlink_urb(urb); | |
1082 | return; | |
1083 | } | |
1084 | ||
66e89522 JW |
1085 | switch (urb->status) { |
1086 | /* success */ | |
1087 | case 0: | |
d26cec22 | 1088 | mceusb_process_ir_data(ir, urb->actual_length); |
66e89522 JW |
1089 | break; |
1090 | ||
1091 | case -ECONNRESET: | |
1092 | case -ENOENT: | |
6b4a16c3 | 1093 | case -EILSEQ: |
66e89522 JW |
1094 | case -ESHUTDOWN: |
1095 | usb_unlink_urb(urb); | |
1096 | return; | |
1097 | ||
1098 | case -EPIPE: | |
a06854a6 S |
1099 | dev_err(ir->dev, "Error: urb status = %d (RX HALT)", |
1100 | urb->status); | |
1101 | mceusb_defer_kevent(ir, EVENT_RX_HALT); | |
1102 | return; | |
1103 | ||
66e89522 | 1104 | default: |
6b4a16c3 | 1105 | dev_err(ir->dev, "Error: urb status = %d", urb->status); |
66e89522 JW |
1106 | break; |
1107 | } | |
1108 | ||
1109 | usb_submit_urb(urb, GFP_ATOMIC); | |
1110 | } | |
1111 | ||
ab1072eb JW |
1112 | static void mceusb_get_emulator_version(struct mceusb_dev *ir) |
1113 | { | |
1114 | /* If we get no reply or an illegal command reply, its ver 1, says MS */ | |
1115 | ir->emver = 1; | |
1116 | mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); | |
1117 | } | |
1118 | ||
66e89522 JW |
1119 | static void mceusb_gen1_init(struct mceusb_dev *ir) |
1120 | { | |
ca17a4f0 | 1121 | int ret; |
66e89522 | 1122 | struct device *dev = ir->dev; |
b48592e4 | 1123 | char *data; |
657290b6 JW |
1124 | |
1125 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
1126 | if (!data) { | |
6b4a16c3 | 1127 | dev_err(dev, "%s: memory allocation failed!", __func__); |
657290b6 JW |
1128 | return; |
1129 | } | |
66e89522 JW |
1130 | |
1131 | /* | |
b48592e4 | 1132 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
1133 | * on the receive control pipe and expect a certain value pair back |
1134 | */ | |
66e89522 JW |
1135 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
1136 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 1137 | data, USB_CTRL_MSG_SZ, HZ * 3); |
6b4a16c3 SY |
1138 | dev_dbg(dev, "set address - ret = %d", ret); |
1139 | dev_dbg(dev, "set address - data[0] = %d, data[1] = %d", | |
1140 | data[0], data[1]); | |
66e89522 JW |
1141 | |
1142 | /* set feature: bit rate 38400 bps */ | |
1143 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1144 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
1145 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
1146 | ||
6b4a16c3 | 1147 | dev_dbg(dev, "set feature - ret = %d", ret); |
66e89522 JW |
1148 | |
1149 | /* bRequest 4: set char length to 8 bits */ | |
1150 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1151 | 4, USB_TYPE_VENDOR, | |
1152 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
6b4a16c3 | 1153 | dev_dbg(dev, "set char length - retB = %d", ret); |
66e89522 JW |
1154 | |
1155 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1156 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1157 | 2, USB_TYPE_VENDOR, | |
1158 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
6b4a16c3 | 1159 | dev_dbg(dev, "set handshake - retC = %d", ret); |
657290b6 | 1160 | |
a6fbd3b7 JW |
1161 | /* device resume */ |
1162 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
22b0766b JW |
1163 | |
1164 | /* get hw/sw revision? */ | |
1165 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1166 | |
657290b6 | 1167 | kfree(data); |
8dfef674 | 1168 | } |
66e89522 JW |
1169 | |
1170 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1171 | { | |
a6fbd3b7 JW |
1172 | /* device resume */ |
1173 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
66e89522 | 1174 | |
a6fbd3b7 JW |
1175 | /* get wake version (protocol, key, address) */ |
1176 | mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); | |
1177 | ||
1178 | /* unknown what this one actually returns... */ | |
22b0766b | 1179 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1180 | } |
1181 | ||
22b0766b | 1182 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1183 | { |
a411e839 JW |
1184 | int i; |
1185 | unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, | |
1186 | MCE_CMD_GETPORTSTATUS, 0x00 }; | |
1187 | ||
1188 | /* defaults, if the hardware doesn't support querying */ | |
1189 | ir->num_txports = 2; | |
1190 | ir->num_rxports = 2; | |
1191 | ||
1192 | /* get number of tx and rx ports */ | |
1193 | mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); | |
1194 | ||
66e89522 JW |
1195 | /* get the carrier and frequency */ |
1196 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1197 | |
a411e839 | 1198 | if (ir->num_txports && !ir->flags.no_tx) |
6f6c625d JW |
1199 | /* get the transmitter bitmask */ |
1200 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1201 | |
1202 | /* get receiver timeout value */ | |
1203 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1204 | |
1205 | /* get receiver sensor setting */ | |
1206 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
a411e839 JW |
1207 | |
1208 | for (i = 0; i < ir->num_txports; i++) { | |
1209 | cmdbuf[2] = i; | |
1210 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1211 | } | |
66e89522 JW |
1212 | } |
1213 | ||
b71969be JW |
1214 | static void mceusb_flash_led(struct mceusb_dev *ir) |
1215 | { | |
1216 | if (ir->emver < 2) | |
1217 | return; | |
1218 | ||
1219 | mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED)); | |
1220 | } | |
1221 | ||
a06854a6 S |
1222 | /* |
1223 | * Workqueue function | |
1224 | * for resetting or recovering device after occurrence of error events | |
1225 | * specified in ir->kevent bit field. | |
1226 | * Function runs (via schedule_work()) in non-interrupt context, for | |
1227 | * calls here (such as usb_clear_halt()) requiring non-interrupt context. | |
1228 | */ | |
1229 | static void mceusb_deferred_kevent(struct work_struct *work) | |
1230 | { | |
1231 | struct mceusb_dev *ir = | |
1232 | container_of(work, struct mceusb_dev, kevent); | |
1233 | int status; | |
1234 | ||
1235 | if (test_bit(EVENT_RX_HALT, &ir->kevent_flags)) { | |
1236 | usb_unlink_urb(ir->urb_in); | |
1237 | status = usb_clear_halt(ir->usbdev, ir->pipe_in); | |
1238 | if (status < 0) { | |
1239 | dev_err(ir->dev, "rx clear halt error %d", | |
1240 | status); | |
a06854a6 S |
1241 | } |
1242 | clear_bit(EVENT_RX_HALT, &ir->kevent_flags); | |
c779a9cd S |
1243 | if (status == 0) { |
1244 | status = usb_submit_urb(ir->urb_in, GFP_KERNEL); | |
1245 | if (status < 0) { | |
1246 | dev_err(ir->dev, | |
1247 | "rx unhalt submit urb error %d", | |
1248 | status); | |
1249 | } | |
a06854a6 S |
1250 | } |
1251 | } | |
c779a9cd S |
1252 | |
1253 | if (test_bit(EVENT_TX_HALT, &ir->kevent_flags)) { | |
1254 | status = usb_clear_halt(ir->usbdev, ir->pipe_out); | |
1255 | if (status < 0) | |
1256 | dev_err(ir->dev, "tx clear halt error %d", status); | |
1257 | clear_bit(EVENT_TX_HALT, &ir->kevent_flags); | |
1258 | } | |
a06854a6 S |
1259 | } |
1260 | ||
e947d9ad | 1261 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1262 | { |
e947d9ad | 1263 | struct usb_device *udev = ir->usbdev; |
66e89522 | 1264 | struct device *dev = ir->dev; |
d8b4b582 DH |
1265 | struct rc_dev *rc; |
1266 | int ret; | |
66e89522 | 1267 | |
0f7499fd | 1268 | rc = rc_allocate_device(RC_DRIVER_IR_RAW); |
d8b4b582 | 1269 | if (!rc) { |
6b4a16c3 | 1270 | dev_err(dev, "remote dev allocation failed"); |
d8b4b582 | 1271 | goto out; |
66e89522 JW |
1272 | } |
1273 | ||
3459d455 | 1274 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1275 | mceusb_model[ir->model].name ? |
5ad1a555 | 1276 | mceusb_model[ir->model].name : |
d8b4b582 | 1277 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1278 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1279 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1280 | ||
66e89522 | 1281 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1282 | |
518f4b26 | 1283 | rc->device_name = ir->name; |
d8b4b582 DH |
1284 | rc->input_phys = ir->phys; |
1285 | usb_to_input_id(ir->usbdev, &rc->input_id); | |
1286 | rc->dev.parent = dev; | |
1287 | rc->priv = ir; | |
6d741bfe | 1288 | rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; |
9824ae4a | 1289 | rc->timeout = MS_TO_NS(100); |
6f6c625d | 1290 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
1291 | rc->s_tx_mask = mceusb_set_tx_mask; |
1292 | rc->s_tx_carrier = mceusb_set_tx_carrier; | |
1293 | rc->tx_ir = mceusb_tx_ir; | |
6f6c625d | 1294 | } |
d8b4b582 | 1295 | rc->driver_name = DRIVER_NAME; |
5b8c8d41 MCC |
1296 | |
1297 | switch (le16_to_cpu(udev->descriptor.idVendor)) { | |
1298 | case VENDOR_HAUPPAUGE: | |
1299 | rc->map_name = RC_MAP_HAUPPAUGE; | |
1300 | break; | |
1301 | case VENDOR_PCTV: | |
1302 | rc->map_name = RC_MAP_PINNACLE_PCTV_HD; | |
1303 | break; | |
1304 | default: | |
1305 | rc->map_name = RC_MAP_RC6_MCE; | |
1306 | } | |
1307 | if (mceusb_model[ir->model].rc_map) | |
1308 | rc->map_name = mceusb_model[ir->model].rc_map; | |
66e89522 | 1309 | |
d8b4b582 | 1310 | ret = rc_register_device(rc); |
66e89522 | 1311 | if (ret < 0) { |
6b4a16c3 | 1312 | dev_err(dev, "remote dev registration failed"); |
d8b4b582 | 1313 | goto out; |
66e89522 JW |
1314 | } |
1315 | ||
d8b4b582 | 1316 | return rc; |
66e89522 | 1317 | |
d8b4b582 DH |
1318 | out: |
1319 | rc_free_device(rc); | |
66e89522 JW |
1320 | return NULL; |
1321 | } | |
1322 | ||
4c62e976 GKH |
1323 | static int mceusb_dev_probe(struct usb_interface *intf, |
1324 | const struct usb_device_id *id) | |
66e89522 JW |
1325 | { |
1326 | struct usb_device *dev = interface_to_usbdev(intf); | |
1327 | struct usb_host_interface *idesc; | |
1328 | struct usb_endpoint_descriptor *ep = NULL; | |
1329 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1330 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1331 | struct mceusb_dev *ir = NULL; |
e1159cb3 | 1332 | int pipe, maxp, i, res; |
66e89522 | 1333 | char buf[63], name[128] = ""; |
37dbd3a6 | 1334 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1335 | bool is_gen3; |
1336 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1337 | bool tx_mask_normal; |
a6994eb0 | 1338 | int ir_intfnum; |
66e89522 | 1339 | |
6b4a16c3 | 1340 | dev_dbg(&intf->dev, "%s called", __func__); |
66e89522 | 1341 | |
66e89522 JW |
1342 | idesc = intf->cur_altsetting; |
1343 | ||
37dbd3a6 MCC |
1344 | is_gen3 = mceusb_model[model].mce_gen3; |
1345 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1346 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1347 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1348 | |
a6994eb0 JW |
1349 | /* There are multi-function devices with non-IR interfaces */ |
1350 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1351 | return -ENODEV; | |
66e89522 JW |
1352 | |
1353 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1354 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1355 | ep = &idesc->endpoint[i].desc; | |
1356 | ||
0cacb46a MD |
1357 | if (ep_in == NULL) { |
1358 | if (usb_endpoint_is_bulk_in(ep)) { | |
1359 | ep_in = ep; | |
1360 | dev_dbg(&intf->dev, "acceptable bulk inbound endpoint found\n"); | |
1361 | } else if (usb_endpoint_is_int_in(ep)) { | |
1362 | ep_in = ep; | |
1363 | ep_in->bInterval = 1; | |
1364 | dev_dbg(&intf->dev, "acceptable interrupt inbound endpoint found\n"); | |
1365 | } | |
66e89522 JW |
1366 | } |
1367 | ||
0cacb46a MD |
1368 | if (ep_out == NULL) { |
1369 | if (usb_endpoint_is_bulk_out(ep)) { | |
1370 | ep_out = ep; | |
1371 | dev_dbg(&intf->dev, "acceptable bulk outbound endpoint found\n"); | |
1372 | } else if (usb_endpoint_is_int_out(ep)) { | |
1373 | ep_out = ep; | |
1374 | ep_out->bInterval = 1; | |
1375 | dev_dbg(&intf->dev, "acceptable interrupt outbound endpoint found\n"); | |
1376 | } | |
66e89522 JW |
1377 | } |
1378 | } | |
03eb2a55 JH |
1379 | if (!ep_in || !ep_out) { |
1380 | dev_dbg(&intf->dev, "required endpoints not found\n"); | |
66e89522 JW |
1381 | return -ENODEV; |
1382 | } | |
1383 | ||
0cacb46a MD |
1384 | if (usb_endpoint_xfer_int(ep_in)) |
1385 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1386 | else | |
1387 | pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress); | |
66e89522 JW |
1388 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); |
1389 | ||
1390 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1391 | if (!ir) | |
1392 | goto mem_alloc_fail; | |
1393 | ||
a06854a6 | 1394 | ir->pipe_in = pipe; |
66e89522 JW |
1395 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); |
1396 | if (!ir->buf_in) | |
1397 | goto buf_in_alloc_fail; | |
1398 | ||
1399 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1400 | if (!ir->urb_in) | |
1401 | goto urb_in_alloc_fail; | |
1402 | ||
e947d9ad | 1403 | ir->usbdev = usb_get_dev(dev); |
66e89522 JW |
1404 | ir->dev = &intf->dev; |
1405 | ir->len_in = maxp; | |
66e89522 | 1406 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1407 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1408 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1409 | ir->model = model; |
1410 | ||
66e89522 | 1411 | /* Saving usb interface data for use by the transmitter routine */ |
66e89522 | 1412 | ir->usb_ep_out = ep_out; |
c779a9cd S |
1413 | if (usb_endpoint_xfer_int(ep_out)) |
1414 | ir->pipe_out = usb_sndintpipe(ir->usbdev, | |
1415 | ep_out->bEndpointAddress); | |
1416 | else | |
1417 | ir->pipe_out = usb_sndbulkpipe(ir->usbdev, | |
1418 | ep_out->bEndpointAddress); | |
66e89522 JW |
1419 | |
1420 | if (dev->descriptor.iManufacturer | |
1421 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1422 | buf, sizeof(buf)) > 0) | |
1423 | strlcpy(name, buf, sizeof(name)); | |
1424 | if (dev->descriptor.iProduct | |
1425 | && usb_string(dev, dev->descriptor.iProduct, | |
1426 | buf, sizeof(buf)) > 0) | |
1427 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1428 | " %s", buf); | |
1429 | ||
a06854a6 S |
1430 | /* |
1431 | * Initialize async USB error handler before registering | |
1432 | * or activating any mceusb RX and TX functions | |
1433 | */ | |
1434 | INIT_WORK(&ir->kevent, mceusb_deferred_kevent); | |
1435 | ||
e947d9ad | 1436 | ir->rc = mceusb_init_rc_dev(ir); |
d8b4b582 DH |
1437 | if (!ir->rc) |
1438 | goto rc_dev_fail; | |
66e89522 | 1439 | |
b48592e4 | 1440 | /* wire up inbound data handler */ |
8e175b22 S |
1441 | if (usb_endpoint_xfer_int(ep_in)) |
1442 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, | |
1443 | mceusb_dev_recv, ir, ep_in->bInterval); | |
1444 | else | |
1445 | usb_fill_bulk_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, | |
1446 | mceusb_dev_recv, ir); | |
1447 | ||
66e89522 JW |
1448 | ir->urb_in->transfer_dma = ir->dma_in; |
1449 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1450 | ||
3a918aa6 | 1451 | /* flush buffers on the device */ |
5c80992e | 1452 | dev_dbg(&intf->dev, "Flushing receive buffers"); |
e1159cb3 SY |
1453 | res = usb_submit_urb(ir->urb_in, GFP_KERNEL); |
1454 | if (res) | |
5c80992e | 1455 | dev_err(&intf->dev, "failed to flush buffers: %d", res); |
3a918aa6 | 1456 | |
ab1072eb JW |
1457 | /* figure out which firmware/emulator version this hardware has */ |
1458 | mceusb_get_emulator_version(ir); | |
1459 | ||
66e89522 | 1460 | /* initialize device */ |
22b0766b | 1461 | if (ir->flags.microsoft_gen1) |
66e89522 | 1462 | mceusb_gen1_init(ir); |
22b0766b | 1463 | else if (!is_gen3) |
66e89522 JW |
1464 | mceusb_gen2_init(ir); |
1465 | ||
22b0766b | 1466 | mceusb_get_parameters(ir); |
66e89522 | 1467 | |
b71969be JW |
1468 | mceusb_flash_led(ir); |
1469 | ||
6f6c625d | 1470 | if (!ir->flags.no_tx) |
d8b4b582 | 1471 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1472 | |
1473 | usb_set_intfdata(intf, ir); | |
1474 | ||
fa334898 JW |
1475 | /* enable wake via this device */ |
1476 | device_set_wakeup_capable(ir->dev, true); | |
1477 | device_set_wakeup_enable(ir->dev, true); | |
1478 | ||
6b4a16c3 SY |
1479 | dev_info(&intf->dev, "Registered %s with mce emulator interface version %x", |
1480 | name, ir->emver); | |
1481 | dev_info(&intf->dev, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)", | |
a411e839 JW |
1482 | ir->num_txports, ir->txports_cabled, |
1483 | ir->num_rxports, ir->rxports_active); | |
66e89522 JW |
1484 | |
1485 | return 0; | |
1486 | ||
1487 | /* Error-handling path */ | |
d8b4b582 | 1488 | rc_dev_fail: |
a06854a6 | 1489 | cancel_work_sync(&ir->kevent); |
e947d9ad | 1490 | usb_put_dev(ir->usbdev); |
e1159cb3 | 1491 | usb_kill_urb(ir->urb_in); |
66e89522 JW |
1492 | usb_free_urb(ir->urb_in); |
1493 | urb_in_alloc_fail: | |
1494 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1495 | buf_in_alloc_fail: | |
1496 | kfree(ir); | |
1497 | mem_alloc_fail: | |
6b4a16c3 | 1498 | dev_err(&intf->dev, "%s: device setup failed!", __func__); |
66e89522 JW |
1499 | |
1500 | return -ENOMEM; | |
1501 | } | |
1502 | ||
1503 | ||
4c62e976 | 1504 | static void mceusb_dev_disconnect(struct usb_interface *intf) |
66e89522 JW |
1505 | { |
1506 | struct usb_device *dev = interface_to_usbdev(intf); | |
1507 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1508 | ||
1509 | usb_set_intfdata(intf, NULL); | |
1510 | ||
1511 | if (!ir) | |
1512 | return; | |
1513 | ||
1514 | ir->usbdev = NULL; | |
a06854a6 | 1515 | cancel_work_sync(&ir->kevent); |
d8b4b582 | 1516 | rc_unregister_device(ir->rc); |
66e89522 JW |
1517 | usb_kill_urb(ir->urb_in); |
1518 | usb_free_urb(ir->urb_in); | |
1519 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
e947d9ad | 1520 | usb_put_dev(dev); |
66e89522 JW |
1521 | |
1522 | kfree(ir); | |
1523 | } | |
1524 | ||
1525 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1526 | { | |
1527 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1528 | dev_info(ir->dev, "suspend"); |
66e89522 JW |
1529 | usb_kill_urb(ir->urb_in); |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1534 | { | |
1535 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1536 | dev_info(ir->dev, "resume"); |
66e89522 JW |
1537 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) |
1538 | return -EIO; | |
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | static struct usb_driver mceusb_dev_driver = { | |
1543 | .name = DRIVER_NAME, | |
1544 | .probe = mceusb_dev_probe, | |
4c62e976 | 1545 | .disconnect = mceusb_dev_disconnect, |
66e89522 JW |
1546 | .suspend = mceusb_dev_suspend, |
1547 | .resume = mceusb_dev_resume, | |
1548 | .reset_resume = mceusb_dev_resume, | |
1549 | .id_table = mceusb_dev_table | |
1550 | }; | |
1551 | ||
ecb3b2b3 | 1552 | module_usb_driver(mceusb_dev_driver); |
66e89522 JW |
1553 | |
1554 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1555 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1556 | MODULE_LICENSE("GPL"); | |
1557 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); |