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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 | * | |
34 | * You should have received a copy of the GNU General Public License | |
35 | * along with this program; if not, write to the Free Software | |
36 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
37 | * | |
38 | */ | |
39 | ||
40 | #include <linux/device.h> | |
41 | #include <linux/module.h> | |
42 | #include <linux/slab.h> | |
635f76b2 PB |
43 | #include <linux/usb.h> |
44 | #include <linux/usb/input.h> | |
fa334898 | 45 | #include <linux/pm_wakeup.h> |
6bda9644 | 46 | #include <media/rc-core.h> |
66e89522 | 47 | |
fda516b7 JW |
48 | #define DRIVER_VERSION "1.92" |
49 | #define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>" | |
66e89522 JW |
50 | #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ |
51 | "device driver" | |
52 | #define DRIVER_NAME "mceusb" | |
53 | ||
4a883918 JW |
54 | #define USB_BUFLEN 32 /* USB reception buffer length */ |
55 | #define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */ | |
56 | #define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */ | |
66e89522 JW |
57 | |
58 | /* MCE constants */ | |
4a883918 JW |
59 | #define MCE_CMDBUF_SIZE 384 /* MCE Command buffer length */ |
60 | #define MCE_TIME_UNIT 50 /* Approx 50us resolution */ | |
61 | #define MCE_CODE_LENGTH 5 /* Normal length of packet (with header) */ | |
62 | #define MCE_PACKET_SIZE 4 /* Normal length of packet (without header) */ | |
63 | #define MCE_IRDATA_HEADER 0x84 /* Actual header format is 0x80 + num_bytes */ | |
64 | #define MCE_IRDATA_TRAILER 0x80 /* End of IR data */ | |
65 | #define MCE_TX_HEADER_LENGTH 3 /* # of bytes in the initializing tx header */ | |
66 | #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ | |
67 | #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ | |
68 | #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ | |
69 | #define MCE_PULSE_MASK 0x7f /* Pulse mask */ | |
70 | #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ | |
71 | ||
a6fbd3b7 JW |
72 | /* |
73 | * The interface between the host and the IR hardware is command-response | |
74 | * based. All commands and responses have a consistent format, where a lead | |
75 | * byte always identifies the type of data following it. The lead byte has | |
76 | * a port value in the 3 highest bits and a length value in the 5 lowest | |
77 | * bits. | |
78 | * | |
79 | * The length field is overloaded, with a value of 11111 indicating that the | |
80 | * following byte is a command or response code, and the length of the entire | |
81 | * message is determined by the code. If the length field is not 11111, then | |
82 | * it specifies the number of bytes of port data that follow. | |
83 | */ | |
84 | #define MCE_CMD 0x1f | |
85 | #define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */ | |
86 | #define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */ | |
87 | #define MCE_PORT_SER 0x6 /* 0xc0 thru 0xdf flush & 0x1f bytes */ | |
88 | #define MCE_PORT_MASK 0xe0 /* Mask out command bits */ | |
89 | ||
90 | /* Command port headers */ | |
91 | #define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */ | |
92 | #define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */ | |
93 | ||
94 | /* Commands that set device state (2-4 bytes in length) */ | |
95 | #define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */ | |
96 | #define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */ | |
97 | #define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */ | |
98 | #define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */ | |
99 | #define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */ | |
100 | #define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */ | |
101 | #define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */ | |
102 | ||
103 | /* Commands that query device state (all 2 bytes, unless noted) */ | |
104 | #define MCE_CMD_GETIRCFS 0x07 /* Get carrier */ | |
105 | #define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */ | |
106 | #define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */ | |
107 | #define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */ | |
108 | #define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */ | |
109 | #define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */ | |
110 | #define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */ | |
111 | #define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */ | |
112 | #define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */ | |
113 | #define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */ | |
114 | #define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */ | |
115 | ||
116 | /* Misc commands */ | |
117 | #define MCE_CMD_NOP 0xff /* No operation */ | |
118 | ||
119 | /* Responses to commands (non-error cases) */ | |
120 | #define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */ | |
121 | #define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */ | |
122 | #define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */ | |
123 | #define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */ | |
124 | #define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */ | |
125 | #define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */ | |
126 | #define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */ | |
127 | #define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */ | |
128 | #define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */ | |
129 | #define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */ | |
130 | #define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */ | |
131 | #define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */ | |
132 | #define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */ | |
133 | ||
134 | /* Responses to error cases, must send MCE_CMD_RESUME to clear them */ | |
135 | #define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */ | |
136 | #define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */ | |
137 | ||
138 | /* Misc commands/responses not defined in the MCE remote/transceiver spec */ | |
1cd50f25 | 139 | #define MCE_CMD_SIG_END 0x01 /* End of signal */ |
4a883918 JW |
140 | #define MCE_CMD_PING 0x03 /* Ping device */ |
141 | #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ | |
142 | #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ | |
4a883918 JW |
143 | #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ |
144 | #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ | |
145 | #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ | |
4a883918 JW |
146 | #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ |
147 | #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ | |
4a883918 JW |
148 | #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ |
149 | #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ | |
a6fbd3b7 | 150 | #define MCE_CMD_NULL 0x00 /* These show up various places... */ |
66e89522 | 151 | |
a6fbd3b7 JW |
152 | /* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR, |
153 | * then we're looking at a raw IR data sample */ | |
154 | #define MCE_COMMAND_IRDATA 0x80 | |
155 | #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ | |
66e89522 JW |
156 | |
157 | /* module parameters */ | |
158 | #ifdef CONFIG_USB_DEBUG | |
90ab5ee9 | 159 | static bool debug = 1; |
66e89522 | 160 | #else |
90ab5ee9 | 161 | static bool debug; |
66e89522 JW |
162 | #endif |
163 | ||
5ae8f9a3 JW |
164 | #define mce_dbg(dev, fmt, ...) \ |
165 | do { \ | |
166 | if (debug) \ | |
167 | dev_info(dev, fmt, ## __VA_ARGS__); \ | |
168 | } while (0) | |
169 | ||
66e89522 JW |
170 | /* general constants */ |
171 | #define SEND_FLAG_IN_PROGRESS 1 | |
172 | #define SEND_FLAG_COMPLETE 2 | |
173 | #define RECV_FLAG_IN_PROGRESS 3 | |
174 | #define RECV_FLAG_COMPLETE 4 | |
175 | ||
176 | #define MCEUSB_RX 1 | |
177 | #define MCEUSB_TX 2 | |
178 | ||
179 | #define VENDOR_PHILIPS 0x0471 | |
180 | #define VENDOR_SMK 0x0609 | |
181 | #define VENDOR_TATUNG 0x1460 | |
182 | #define VENDOR_GATEWAY 0x107b | |
183 | #define VENDOR_SHUTTLE 0x1308 | |
184 | #define VENDOR_SHUTTLE2 0x051c | |
185 | #define VENDOR_MITSUMI 0x03ee | |
186 | #define VENDOR_TOPSEED 0x1784 | |
187 | #define VENDOR_RICAVISION 0x179d | |
188 | #define VENDOR_ITRON 0x195d | |
189 | #define VENDOR_FIC 0x1509 | |
190 | #define VENDOR_LG 0x043e | |
191 | #define VENDOR_MICROSOFT 0x045e | |
192 | #define VENDOR_FORMOSA 0x147a | |
193 | #define VENDOR_FINTEK 0x1934 | |
194 | #define VENDOR_PINNACLE 0x2304 | |
195 | #define VENDOR_ECS 0x1019 | |
196 | #define VENDOR_WISTRON 0x0fb8 | |
197 | #define VENDOR_COMPRO 0x185b | |
198 | #define VENDOR_NORTHSTAR 0x04eb | |
199 | #define VENDOR_REALTEK 0x0bda | |
200 | #define VENDOR_TIVO 0x105a | |
56e92f60 | 201 | #define VENDOR_CONEXANT 0x0572 |
66e89522 | 202 | |
37dbd3a6 MCC |
203 | enum mceusb_model_type { |
204 | MCE_GEN2 = 0, /* Most boards */ | |
205 | MCE_GEN1, | |
206 | MCE_GEN3, | |
207 | MCE_GEN2_TX_INV, | |
208 | POLARIS_EVK, | |
6f6c625d | 209 | CX_HYBRID_TV, |
a6994eb0 | 210 | MULTIFUNCTION, |
d8ee99e7 | 211 | TIVO_KIT, |
2faa0ca8 | 212 | MCE_GEN2_NO_TX, |
37dbd3a6 MCC |
213 | }; |
214 | ||
215 | struct mceusb_model { | |
216 | u32 mce_gen1:1; | |
217 | u32 mce_gen2:1; | |
218 | u32 mce_gen3:1; | |
d8cc7fd7 | 219 | u32 tx_mask_normal:1; |
6f6c625d | 220 | u32 no_tx:1; |
37dbd3a6 | 221 | |
a6994eb0 JW |
222 | int ir_intfnum; |
223 | ||
17c2b1fd | 224 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 225 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
226 | }; |
227 | ||
228 | static const struct mceusb_model mceusb_model[] = { | |
229 | [MCE_GEN1] = { | |
230 | .mce_gen1 = 1, | |
d8cc7fd7 | 231 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
232 | }, |
233 | [MCE_GEN2] = { | |
234 | .mce_gen2 = 1, | |
235 | }, | |
2faa0ca8 JW |
236 | [MCE_GEN2_NO_TX] = { |
237 | .mce_gen2 = 1, | |
238 | .no_tx = 1, | |
239 | }, | |
37dbd3a6 MCC |
240 | [MCE_GEN2_TX_INV] = { |
241 | .mce_gen2 = 1, | |
d8cc7fd7 | 242 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
243 | }, |
244 | [MCE_GEN3] = { | |
245 | .mce_gen3 = 1, | |
d8cc7fd7 | 246 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
247 | }, |
248 | [POLARIS_EVK] = { | |
17c2b1fd MCC |
249 | /* |
250 | * In fact, the EVK is shipped without | |
251 | * remotes, but we should have something handy, | |
252 | * to allow testing it | |
253 | */ | |
15195d3a | 254 | .rc_map = RC_MAP_HAUPPAUGE, |
6f6c625d JW |
255 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
256 | }, | |
257 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
258 | .no_tx = 1, /* tx isn't wired up at all */ |
259 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 260 | }, |
a6994eb0 JW |
261 | [MULTIFUNCTION] = { |
262 | .mce_gen2 = 1, | |
263 | .ir_intfnum = 2, | |
264 | }, | |
d8ee99e7 JW |
265 | [TIVO_KIT] = { |
266 | .mce_gen2 = 1, | |
267 | .rc_map = RC_MAP_TIVO, | |
268 | }, | |
37dbd3a6 MCC |
269 | }; |
270 | ||
66e89522 JW |
271 | static struct usb_device_id mceusb_dev_table[] = { |
272 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ | |
37dbd3a6 MCC |
273 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
274 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
275 | /* Philips Infrared Transceiver - Sahara branded */ |
276 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
277 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
278 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
279 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
280 | /* Philips SRM5100 */ |
281 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
282 | /* Philips Infrared Transceiver - Omaura */ | |
283 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
284 | /* Philips Infrared Transceiver - Spinel plus */ | |
285 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
286 | /* Philips eHome Infrared Transceiver */ | |
287 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
288 | /* Philips/Spinel plus IR transceiver for ASUS */ |
289 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
290 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
291 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 JW |
292 | /* Philips IR transceiver (Dell branded) */ |
293 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093) }, | |
a6994eb0 JW |
294 | /* Realtek MCE IR Receiver and card reader */ |
295 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
296 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 297 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 MCC |
298 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
299 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 300 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
301 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
302 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 303 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
304 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
305 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
306 | /* SMK eHome Infrared Transceiver */ |
307 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
308 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
309 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
310 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
311 | /* Tatung eHome Infrared Transceiver */ |
312 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
313 | /* Shuttle eHome Infrared Transceiver */ | |
314 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
315 | /* Shuttle eHome Infrared Transceiver */ | |
316 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
317 | /* Gateway eHome Infrared Transceiver */ | |
318 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
319 | /* Mitsumi */ | |
320 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
321 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
322 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
323 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 324 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
325 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
326 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 327 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
328 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
329 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 330 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
331 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
332 | .driver_info = MCE_GEN3 }, | |
66e89522 | 333 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
334 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
335 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 336 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 337 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
7d9a46f9 | 338 | .driver_info = MCE_GEN3 }, |
66e89522 JW |
339 | /* Ricavision internal Infrared Transceiver */ |
340 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
341 | /* Itron ione Libra Q-11 */ | |
342 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
343 | /* FIC eHome Infrared Transceiver */ | |
344 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
345 | /* LG eHome Infrared Transceiver */ | |
346 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
347 | /* Microsoft MCE Infrared Transceiver */ | |
348 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
349 | /* Formosa eHome Infrared Transceiver */ | |
350 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
351 | /* Formosa21 / eHome Infrared Receiver */ | |
352 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
353 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
354 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
355 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
356 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
357 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
358 | /* Formosa21 / eHome Infrared Receiver */ | |
359 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
360 | /* Formosa Industrial Computing AIM IR605/A */ | |
361 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
362 | /* Formosa Industrial Computing */ | |
363 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
fbb1f1b0 JW |
364 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
365 | { USB_DEVICE(VENDOR_FINTEK, 0x5168) }, | |
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 }, | |
66e89522 JW |
392 | /* Terminating entry */ |
393 | { } | |
394 | }; | |
395 | ||
66e89522 JW |
396 | /* data structure for each usb transceiver */ |
397 | struct mceusb_dev { | |
398 | /* ir-core bits */ | |
d8b4b582 | 399 | struct rc_dev *rc; |
2ee95db2 JW |
400 | |
401 | /* optional features we can enable */ | |
402 | bool carrier_report_enabled; | |
403 | bool learning_enabled; | |
66e89522 JW |
404 | |
405 | /* core device bits */ | |
406 | struct device *dev; | |
66e89522 JW |
407 | |
408 | /* usb */ | |
409 | struct usb_device *usbdev; | |
410 | struct urb *urb_in; | |
411 | struct usb_endpoint_descriptor *usb_ep_in; | |
412 | struct usb_endpoint_descriptor *usb_ep_out; | |
413 | ||
414 | /* buffers and dma */ | |
415 | unsigned char *buf_in; | |
416 | unsigned int len_in; | |
2ee95db2 JW |
417 | dma_addr_t dma_in; |
418 | dma_addr_t dma_out; | |
39dc5c3a MCC |
419 | |
420 | enum { | |
421 | CMD_HEADER = 0, | |
422 | SUBCMD, | |
423 | CMD_DATA, | |
424 | PARSE_IRDATA, | |
425 | } parser_state; | |
39dc5c3a | 426 | |
2ee95db2 | 427 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
428 | |
429 | struct { | |
430 | u32 connected:1; | |
d8cc7fd7 | 431 | u32 tx_mask_normal:1; |
66e89522 | 432 | u32 microsoft_gen1:1; |
6f6c625d | 433 | u32 no_tx:1; |
66e89522 JW |
434 | } flags; |
435 | ||
e23fb964 | 436 | /* transmit support */ |
66e89522 | 437 | int send_flags; |
e23fb964 JW |
438 | u32 carrier; |
439 | unsigned char tx_mask; | |
66e89522 JW |
440 | |
441 | char name[128]; | |
442 | char phys[64]; | |
37dbd3a6 | 443 | enum mceusb_model_type model; |
4840b788 JW |
444 | |
445 | bool need_reset; /* flag to issue a device resume cmd */ | |
ab1072eb | 446 | u8 emver; /* emulator interface version */ |
a411e839 JW |
447 | u8 num_txports; /* number of transmit ports */ |
448 | u8 num_rxports; /* number of receive sensors */ | |
449 | u8 txports_cabled; /* bitmask of transmitters with cable */ | |
450 | u8 rxports_active; /* bitmask of active receive sensors */ | |
66e89522 JW |
451 | }; |
452 | ||
a6fbd3b7 JW |
453 | /* MCE Device Command Strings, generally a port and command pair */ |
454 | static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, | |
455 | MCE_CMD_RESUME}; | |
456 | static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; | |
ab1072eb | 457 | static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; |
a6fbd3b7 | 458 | static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; |
b71969be | 459 | static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; |
a6fbd3b7 JW |
460 | static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; |
461 | static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; | |
462 | static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; | |
a411e839 | 463 | static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; |
a6fbd3b7 JW |
464 | static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; |
465 | static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; | |
66e89522 JW |
466 | /* sub in desired values in lower byte or bytes for full command */ |
467 | /* FIXME: make use of these for transmit. | |
a6fbd3b7 JW |
468 | static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, |
469 | MCE_CMD_SETIRCFS, 0x00, 0x00}; | |
470 | static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; | |
471 | static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, | |
472 | MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; | |
473 | static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, | |
474 | MCE_RSP_EQIRRXPORTEN, 0x00}; | |
66e89522 JW |
475 | */ |
476 | ||
39dc5c3a MCC |
477 | static int mceusb_cmdsize(u8 cmd, u8 subcmd) |
478 | { | |
479 | int datasize = 0; | |
480 | ||
481 | switch (cmd) { | |
a6fbd3b7 JW |
482 | case MCE_CMD_NULL: |
483 | if (subcmd == MCE_CMD_PORT_SYS) | |
39dc5c3a MCC |
484 | datasize = 1; |
485 | break; | |
a6fbd3b7 | 486 | case MCE_CMD_PORT_SYS: |
39dc5c3a | 487 | switch (subcmd) { |
a6fbd3b7 JW |
488 | case MCE_RSP_EQWAKEVERSION: |
489 | datasize = 4; | |
490 | break; | |
4a883918 | 491 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
492 | datasize = 2; |
493 | break; | |
a6fbd3b7 JW |
494 | case MCE_RSP_EQWAKESUPPORT: |
495 | datasize = 1; | |
496 | break; | |
39dc5c3a | 497 | } |
a6fbd3b7 | 498 | case MCE_CMD_PORT_IR: |
39dc5c3a | 499 | switch (subcmd) { |
4a883918 | 500 | case MCE_CMD_UNKNOWN: |
a6fbd3b7 JW |
501 | case MCE_RSP_EQIRCFS: |
502 | case MCE_RSP_EQIRTIMEOUT: | |
503 | case MCE_RSP_EQIRRXCFCNT: | |
39dc5c3a MCC |
504 | datasize = 2; |
505 | break; | |
1cd50f25 | 506 | case MCE_CMD_SIG_END: |
a6fbd3b7 JW |
507 | case MCE_RSP_EQIRTXPORTS: |
508 | case MCE_RSP_EQIRRXPORTEN: | |
39dc5c3a MCC |
509 | datasize = 1; |
510 | break; | |
511 | } | |
512 | } | |
513 | return datasize; | |
514 | } | |
515 | ||
66e89522 | 516 | static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, |
36e9d260 | 517 | int offset, int len, bool out) |
66e89522 JW |
518 | { |
519 | char codes[USB_BUFLEN * 3 + 1]; | |
520 | char inout[9]; | |
a6fbd3b7 | 521 | u8 cmd, subcmd, data1, data2, data3, data4, data5; |
66e89522 | 522 | struct device *dev = ir->dev; |
36e9d260 | 523 | int i, start, skip = 0; |
e217fb43 | 524 | u32 carrier, period; |
36e9d260 JW |
525 | |
526 | if (!debug) | |
527 | return; | |
66e89522 | 528 | |
657290b6 | 529 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 530 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 531 | skip = 2; |
66e89522 | 532 | |
36e9d260 | 533 | if (len <= skip) |
66e89522 JW |
534 | return; |
535 | ||
536 | for (i = 0; i < len && i < USB_BUFLEN; i++) | |
36e9d260 | 537 | snprintf(codes + i * 3, 4, "%02x ", buf[i + offset] & 0xff); |
66e89522 | 538 | |
36e9d260 | 539 | dev_info(dev, "%sx data: %s(length=%d)\n", |
66e89522 JW |
540 | (out ? "t" : "r"), codes, len); |
541 | ||
542 | if (out) | |
543 | strcpy(inout, "Request\0"); | |
544 | else | |
545 | strcpy(inout, "Got\0"); | |
546 | ||
36e9d260 JW |
547 | start = offset + skip; |
548 | cmd = buf[start] & 0xff; | |
549 | subcmd = buf[start + 1] & 0xff; | |
550 | data1 = buf[start + 2] & 0xff; | |
551 | data2 = buf[start + 3] & 0xff; | |
a6fbd3b7 JW |
552 | data3 = buf[start + 4] & 0xff; |
553 | data4 = buf[start + 5] & 0xff; | |
554 | data5 = buf[start + 6] & 0xff; | |
66e89522 JW |
555 | |
556 | switch (cmd) { | |
a6fbd3b7 | 557 | case MCE_CMD_NULL: |
a411e839 JW |
558 | if (subcmd == MCE_CMD_NULL) |
559 | break; | |
a6fbd3b7 JW |
560 | if ((subcmd == MCE_CMD_PORT_SYS) && |
561 | (data1 == MCE_CMD_RESUME)) | |
562 | dev_info(dev, "Device resume requested\n"); | |
66e89522 JW |
563 | else |
564 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
565 | cmd, subcmd); | |
566 | break; | |
a6fbd3b7 | 567 | case MCE_CMD_PORT_SYS: |
66e89522 | 568 | switch (subcmd) { |
a6fbd3b7 JW |
569 | case MCE_RSP_EQEMVER: |
570 | if (!out) | |
571 | dev_info(dev, "Emulator interface version %x\n", | |
572 | data1); | |
573 | break; | |
4a883918 | 574 | case MCE_CMD_G_REVISION: |
66e89522 JW |
575 | if (len == 2) |
576 | dev_info(dev, "Get hw/sw rev?\n"); | |
577 | else | |
578 | dev_info(dev, "hw/sw rev 0x%02x 0x%02x " | |
579 | "0x%02x 0x%02x\n", data1, data2, | |
36e9d260 | 580 | buf[start + 4], buf[start + 5]); |
66e89522 | 581 | break; |
a6fbd3b7 JW |
582 | case MCE_CMD_RESUME: |
583 | dev_info(dev, "Device resume requested\n"); | |
584 | break; | |
585 | case MCE_RSP_CMD_ILLEGAL: | |
586 | dev_info(dev, "Illegal PORT_SYS command\n"); | |
587 | break; | |
588 | case MCE_RSP_EQWAKEVERSION: | |
589 | if (!out) | |
590 | dev_info(dev, "Wake version, proto: 0x%02x, " | |
591 | "payload: 0x%02x, address: 0x%02x, " | |
592 | "version: 0x%02x\n", | |
593 | data1, data2, data3, data4); | |
66e89522 | 594 | break; |
a6fbd3b7 JW |
595 | case MCE_RSP_GETPORTSTATUS: |
596 | if (!out) | |
597 | /* We use data1 + 1 here, to match hw labels */ | |
598 | dev_info(dev, "TX port %d: blaster is%s connected\n", | |
599 | data1 + 1, data4 ? " not" : ""); | |
66e89522 | 600 | break; |
b71969be JW |
601 | case MCE_CMD_FLASHLED: |
602 | dev_info(dev, "Attempting to flash LED\n"); | |
603 | break; | |
66e89522 JW |
604 | default: |
605 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
606 | cmd, subcmd); | |
607 | break; | |
608 | } | |
609 | break; | |
a6fbd3b7 | 610 | case MCE_CMD_PORT_IR: |
66e89522 | 611 | switch (subcmd) { |
1cd50f25 JW |
612 | case MCE_CMD_SIG_END: |
613 | dev_info(dev, "End of signal\n"); | |
614 | break; | |
4a883918 | 615 | case MCE_CMD_PING: |
66e89522 JW |
616 | dev_info(dev, "Ping\n"); |
617 | break; | |
4a883918 | 618 | case MCE_CMD_UNKNOWN: |
66e89522 JW |
619 | dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n", |
620 | data1, data2); | |
621 | break; | |
e217fb43 JW |
622 | case MCE_RSP_EQIRCFS: |
623 | period = DIV_ROUND_CLOSEST( | |
624 | (1 << data1 * 2) * (data2 + 1), 10); | |
625 | if (!period) | |
626 | break; | |
627 | carrier = (1000 * 1000) / period; | |
628 | dev_info(dev, "%s carrier of %u Hz (period %uus)\n", | |
629 | inout, carrier, period); | |
66e89522 | 630 | break; |
a6fbd3b7 | 631 | case MCE_CMD_GETIRCFS: |
66e89522 JW |
632 | dev_info(dev, "Get carrier mode and freq\n"); |
633 | break; | |
a6fbd3b7 | 634 | case MCE_RSP_EQIRTXPORTS: |
66e89522 JW |
635 | dev_info(dev, "%s transmit blaster mask of 0x%02x\n", |
636 | inout, data1); | |
637 | break; | |
a6fbd3b7 | 638 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 639 | /* value is in units of 50us, so x*50/1000 ms */ |
e217fb43 | 640 | period = ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000; |
66e89522 | 641 | dev_info(dev, "%s receive timeout of %d ms\n", |
e217fb43 | 642 | inout, period); |
66e89522 | 643 | break; |
a6fbd3b7 | 644 | case MCE_CMD_GETIRTIMEOUT: |
66e89522 JW |
645 | dev_info(dev, "Get receive timeout\n"); |
646 | break; | |
a6fbd3b7 | 647 | case MCE_CMD_GETIRTXPORTS: |
66e89522 JW |
648 | dev_info(dev, "Get transmit blaster mask\n"); |
649 | break; | |
a6fbd3b7 | 650 | case MCE_RSP_EQIRRXPORTEN: |
66e89522 JW |
651 | dev_info(dev, "%s %s-range receive sensor in use\n", |
652 | inout, data1 == 0x02 ? "short" : "long"); | |
653 | break; | |
a6fbd3b7 JW |
654 | case MCE_CMD_GETIRRXPORTEN: |
655 | /* aka MCE_RSP_EQIRRXCFCNT */ | |
2ee95db2 | 656 | if (out) |
66e89522 | 657 | dev_info(dev, "Get receive sensor\n"); |
2ee95db2 JW |
658 | else if (ir->learning_enabled) |
659 | dev_info(dev, "RX pulse count: %d\n", | |
66e89522 JW |
660 | ((data1 << 8) | data2)); |
661 | break; | |
a6fbd3b7 JW |
662 | case MCE_RSP_EQIRNUMPORTS: |
663 | if (out) | |
664 | break; | |
665 | dev_info(dev, "Num TX ports: %x, num RX ports: %x\n", | |
666 | data1, data2); | |
667 | break; | |
668 | case MCE_RSP_CMD_ILLEGAL: | |
669 | dev_info(dev, "Illegal PORT_IR command\n"); | |
66e89522 | 670 | break; |
66e89522 JW |
671 | default: |
672 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
673 | cmd, subcmd); | |
674 | break; | |
675 | } | |
676 | break; | |
677 | default: | |
678 | break; | |
679 | } | |
36e9d260 JW |
680 | |
681 | if (cmd == MCE_IRDATA_TRAILER) | |
682 | dev_info(dev, "End of raw IR data\n"); | |
a6fbd3b7 JW |
683 | else if ((cmd != MCE_CMD_PORT_IR) && |
684 | ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) | |
36e9d260 | 685 | dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem); |
66e89522 JW |
686 | } |
687 | ||
7c294402 | 688 | static void mce_async_callback(struct urb *urb, struct pt_regs *regs) |
66e89522 JW |
689 | { |
690 | struct mceusb_dev *ir; | |
691 | int len; | |
692 | ||
693 | if (!urb) | |
694 | return; | |
695 | ||
696 | ir = urb->context; | |
697 | if (ir) { | |
698 | len = urb->actual_length; | |
699 | ||
36e9d260 | 700 | mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true); |
66e89522 JW |
701 | } |
702 | ||
0b43fcdf JW |
703 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
704 | kfree(urb->transfer_buffer); | |
705 | usb_free_urb(urb); | |
66e89522 JW |
706 | } |
707 | ||
708 | /* request incoming or send outgoing usb packet - used to initialize remote */ | |
51ea6292 JW |
709 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
710 | int size, int urb_type) | |
66e89522 | 711 | { |
51ea6292 | 712 | int res, pipe; |
66e89522 JW |
713 | struct urb *async_urb; |
714 | struct device *dev = ir->dev; | |
715 | unsigned char *async_buf; | |
716 | ||
717 | if (urb_type == MCEUSB_TX) { | |
718 | async_urb = usb_alloc_urb(0, GFP_KERNEL); | |
719 | if (unlikely(!async_urb)) { | |
720 | dev_err(dev, "Error, couldn't allocate urb!\n"); | |
721 | return; | |
722 | } | |
723 | ||
724 | async_buf = kzalloc(size, GFP_KERNEL); | |
725 | if (!async_buf) { | |
726 | dev_err(dev, "Error, couldn't allocate buf!\n"); | |
727 | usb_free_urb(async_urb); | |
728 | return; | |
729 | } | |
730 | ||
731 | /* outbound data */ | |
51ea6292 JW |
732 | pipe = usb_sndintpipe(ir->usbdev, |
733 | ir->usb_ep_out->bEndpointAddress); | |
734 | usb_fill_int_urb(async_urb, ir->usbdev, pipe, | |
7c294402 | 735 | async_buf, size, (usb_complete_t)mce_async_callback, |
51ea6292 | 736 | ir, ir->usb_ep_out->bInterval); |
66e89522 JW |
737 | memcpy(async_buf, data, size); |
738 | ||
739 | } else if (urb_type == MCEUSB_RX) { | |
740 | /* standard request */ | |
741 | async_urb = ir->urb_in; | |
742 | ir->send_flags = RECV_FLAG_IN_PROGRESS; | |
743 | ||
744 | } else { | |
745 | dev_err(dev, "Error! Unknown urb type %d\n", urb_type); | |
746 | return; | |
747 | } | |
748 | ||
5ae8f9a3 | 749 | mce_dbg(dev, "receive request called (size=%#x)\n", size); |
66e89522 JW |
750 | |
751 | async_urb->transfer_buffer_length = size; | |
752 | async_urb->dev = ir->usbdev; | |
753 | ||
754 | res = usb_submit_urb(async_urb, GFP_ATOMIC); | |
755 | if (res) { | |
5ae8f9a3 | 756 | mce_dbg(dev, "receive request FAILED! (res=%d)\n", res); |
66e89522 JW |
757 | return; |
758 | } | |
5ae8f9a3 | 759 | mce_dbg(dev, "receive request complete (res=%d)\n", res); |
66e89522 JW |
760 | } |
761 | ||
762 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
763 | { | |
4840b788 JW |
764 | int rsize = sizeof(DEVICE_RESUME); |
765 | ||
766 | if (ir->need_reset) { | |
767 | ir->need_reset = false; | |
768 | mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX); | |
769 | msleep(10); | |
770 | } | |
771 | ||
51ea6292 | 772 | mce_request_packet(ir, data, size, MCEUSB_TX); |
417c0a23 | 773 | msleep(10); |
66e89522 JW |
774 | } |
775 | ||
3a918aa6 | 776 | static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size) |
66e89522 | 777 | { |
3a918aa6 | 778 | mce_request_packet(ir, NULL, size, MCEUSB_RX); |
66e89522 JW |
779 | } |
780 | ||
e23fb964 | 781 | /* Send data out the IR blaster port(s) */ |
5588dc2b | 782 | static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) |
e23fb964 | 783 | { |
d8b4b582 | 784 | struct mceusb_dev *ir = dev->priv; |
e23fb964 | 785 | int i, ret = 0; |
5588dc2b | 786 | int cmdcount = 0; |
e23fb964 JW |
787 | unsigned char *cmdbuf; /* MCE command buffer */ |
788 | long signal_duration = 0; /* Singnal length in us */ | |
789 | struct timeval start_time, end_time; | |
790 | ||
791 | do_gettimeofday(&start_time); | |
792 | ||
5588dc2b | 793 | cmdbuf = kzalloc(sizeof(unsigned) * MCE_CMDBUF_SIZE, GFP_KERNEL); |
e23fb964 JW |
794 | if (!cmdbuf) |
795 | return -ENOMEM; | |
796 | ||
797 | /* MCE tx init header */ | |
a6fbd3b7 JW |
798 | cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; |
799 | cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; | |
e23fb964 JW |
800 | cmdbuf[cmdcount++] = ir->tx_mask; |
801 | ||
802 | /* Generate mce packet data */ | |
803 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
804 | signal_duration += txbuf[i]; | |
805 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; | |
806 | ||
807 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
808 | ||
809 | /* Insert mce packet header every 4th entry */ | |
810 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
811 | (cmdcount - MCE_TX_HEADER_LENGTH) % | |
812 | MCE_CODE_LENGTH == 0) | |
4a883918 | 813 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
814 | |
815 | /* Insert mce packet data */ | |
816 | if (cmdcount < MCE_CMDBUF_SIZE) | |
817 | cmdbuf[cmdcount++] = | |
818 | (txbuf[i] < MCE_PULSE_BIT ? | |
819 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
820 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
821 | else { | |
822 | ret = -EINVAL; | |
823 | goto out; | |
824 | } | |
825 | ||
826 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
827 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
828 | } | |
829 | ||
830 | /* Fix packet length in last header */ | |
831 | cmdbuf[cmdcount - (cmdcount - MCE_TX_HEADER_LENGTH) % MCE_CODE_LENGTH] = | |
4a883918 JW |
832 | MCE_COMMAND_IRDATA + (cmdcount - MCE_TX_HEADER_LENGTH) % |
833 | MCE_CODE_LENGTH - 1; | |
e23fb964 JW |
834 | |
835 | /* Check if we have room for the empty packet at the end */ | |
836 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
837 | ret = -EINVAL; | |
838 | goto out; | |
839 | } | |
840 | ||
841 | /* All mce commands end with an empty packet (0x80) */ | |
4a883918 | 842 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
843 | |
844 | /* Transmit the command to the mce device */ | |
845 | mce_async_out(ir, cmdbuf, cmdcount); | |
846 | ||
847 | /* | |
848 | * The lircd gap calculation expects the write function to | |
849 | * wait the time it takes for the ircommand to be sent before | |
850 | * it returns. | |
851 | */ | |
852 | do_gettimeofday(&end_time); | |
853 | signal_duration -= (end_time.tv_usec - start_time.tv_usec) + | |
854 | (end_time.tv_sec - start_time.tv_sec) * 1000000; | |
855 | ||
856 | /* delay with the closest number of ticks */ | |
857 | set_current_state(TASK_INTERRUPTIBLE); | |
858 | schedule_timeout(usecs_to_jiffies(signal_duration)); | |
859 | ||
860 | out: | |
861 | kfree(cmdbuf); | |
5588dc2b | 862 | return ret ? ret : count; |
e23fb964 JW |
863 | } |
864 | ||
6f6c625d | 865 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 866 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 867 | { |
d8b4b582 | 868 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 869 | |
d8cc7fd7 JW |
870 | if (ir->flags.tx_mask_normal) |
871 | ir->tx_mask = mask; | |
872 | else | |
4a883918 JW |
873 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
874 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
875 | |
876 | return 0; | |
877 | } | |
878 | ||
e23fb964 | 879 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 880 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 881 | { |
d8b4b582 | 882 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
883 | int clk = 10000000; |
884 | int prescaler = 0, divisor = 0; | |
a6fbd3b7 JW |
885 | unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, |
886 | MCE_CMD_SETIRCFS, 0x00, 0x00 }; | |
e23fb964 JW |
887 | |
888 | /* Carrier has changed */ | |
889 | if (ir->carrier != carrier) { | |
890 | ||
891 | if (carrier == 0) { | |
892 | ir->carrier = carrier; | |
1cd50f25 | 893 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 894 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
5ae8f9a3 | 895 | mce_dbg(ir->dev, "%s: disabling carrier " |
e23fb964 JW |
896 | "modulation\n", __func__); |
897 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
898 | return carrier; | |
899 | } | |
900 | ||
901 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
902 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 903 | if (divisor <= 0xff) { |
e23fb964 JW |
904 | ir->carrier = carrier; |
905 | cmdbuf[2] = prescaler; | |
906 | cmdbuf[3] = divisor; | |
5ae8f9a3 | 907 | mce_dbg(ir->dev, "%s: requesting %u HZ " |
e23fb964 JW |
908 | "carrier\n", __func__, carrier); |
909 | ||
910 | /* Transmit new carrier to mce device */ | |
911 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
912 | return carrier; | |
913 | } | |
914 | } | |
915 | ||
916 | return -EINVAL; | |
917 | ||
918 | } | |
919 | ||
920 | return carrier; | |
921 | } | |
922 | ||
2ee95db2 JW |
923 | /* |
924 | * We don't do anything but print debug spew for many of the command bits | |
925 | * we receive from the hardware, but some of them are useful information | |
926 | * we want to store so that we can use them. | |
927 | */ | |
928 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
929 | { | |
930 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
931 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
932 | ||
933 | switch (ir->buf_in[index]) { | |
a411e839 JW |
934 | /* the one and only 5-byte return value command */ |
935 | case MCE_RSP_GETPORTSTATUS: | |
936 | if ((ir->buf_in[index + 4] & 0xff) == 0x00) | |
937 | ir->txports_cabled |= 1 << hi; | |
938 | break; | |
939 | ||
2ee95db2 | 940 | /* 2-byte return value commands */ |
a6fbd3b7 | 941 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 942 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); |
2ee95db2 | 943 | break; |
a411e839 JW |
944 | case MCE_RSP_EQIRNUMPORTS: |
945 | ir->num_txports = hi; | |
946 | ir->num_rxports = lo; | |
947 | break; | |
2ee95db2 JW |
948 | |
949 | /* 1-byte return value commands */ | |
ab1072eb JW |
950 | case MCE_RSP_EQEMVER: |
951 | ir->emver = hi; | |
952 | break; | |
a6fbd3b7 | 953 | case MCE_RSP_EQIRTXPORTS: |
2ee95db2 JW |
954 | ir->tx_mask = hi; |
955 | break; | |
a6fbd3b7 JW |
956 | case MCE_RSP_EQIRRXPORTEN: |
957 | ir->learning_enabled = ((hi & 0x02) == 0x02); | |
a411e839 | 958 | ir->rxports_active = hi; |
2ee95db2 | 959 | break; |
4840b788 JW |
960 | case MCE_RSP_CMD_ILLEGAL: |
961 | ir->need_reset = true; | |
962 | break; | |
2ee95db2 JW |
963 | default: |
964 | break; | |
965 | } | |
966 | } | |
967 | ||
66e89522 JW |
968 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
969 | { | |
4651918a | 970 | DEFINE_IR_RAW_EVENT(rawir); |
39dc5c3a | 971 | int i = 0; |
66e89522 JW |
972 | |
973 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
974 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 975 | i = 2; |
66e89522 | 976 | |
29b4494b JW |
977 | /* if there's no data, just return now */ |
978 | if (buf_len <= i) | |
979 | return; | |
980 | ||
39dc5c3a MCC |
981 | for (; i < buf_len; i++) { |
982 | switch (ir->parser_state) { | |
983 | case SUBCMD: | |
984 | ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]); | |
36e9d260 JW |
985 | mceusb_dev_printdata(ir, ir->buf_in, i - 1, |
986 | ir->rem + 2, false); | |
2ee95db2 | 987 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
988 | ir->parser_state = CMD_DATA; |
989 | break; | |
990 | case PARSE_IRDATA: | |
66e89522 | 991 | ir->rem--; |
5bd9d73c | 992 | init_ir_raw_event(&rawir); |
66e89522 JW |
993 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
994 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
b4608fae | 995 | * US_TO_NS(MCE_TIME_UNIT); |
66e89522 | 996 | |
5ae8f9a3 | 997 | mce_dbg(ir->dev, "Storing %s with duration %d\n", |
66e89522 JW |
998 | rawir.pulse ? "pulse" : "space", |
999 | rawir.duration); | |
1000 | ||
d8b4b582 | 1001 | ir_raw_event_store_with_filter(ir->rc, &rawir); |
39dc5c3a MCC |
1002 | break; |
1003 | case CMD_DATA: | |
1004 | ir->rem--; | |
1005 | break; | |
1006 | case CMD_HEADER: | |
1007 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
1008 | /* IR data packets can span USB messages - rem */ | |
1009 | ir->cmd = ir->buf_in[i]; | |
a6fbd3b7 JW |
1010 | if ((ir->cmd == MCE_CMD_PORT_IR) || |
1011 | ((ir->cmd & MCE_PORT_MASK) != | |
4a883918 | 1012 | MCE_COMMAND_IRDATA)) { |
39dc5c3a MCC |
1013 | ir->parser_state = SUBCMD; |
1014 | continue; | |
1015 | } | |
1016 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
2ee95db2 JW |
1017 | mceusb_dev_printdata(ir, ir->buf_in, |
1018 | i, ir->rem + 1, false); | |
1cd50f25 | 1019 | if (ir->rem) |
39dc5c3a | 1020 | ir->parser_state = PARSE_IRDATA; |
5bd9d73c JW |
1021 | else |
1022 | ir_raw_event_reset(ir->rc); | |
39dc5c3a | 1023 | break; |
66e89522 JW |
1024 | } |
1025 | ||
39dc5c3a MCC |
1026 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
1027 | ir->parser_state = CMD_HEADER; | |
66e89522 | 1028 | } |
5ae8f9a3 | 1029 | mce_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n"); |
d8b4b582 | 1030 | ir_raw_event_handle(ir->rc); |
66e89522 JW |
1031 | } |
1032 | ||
66e89522 JW |
1033 | static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) |
1034 | { | |
1035 | struct mceusb_dev *ir; | |
1036 | int buf_len; | |
1037 | ||
1038 | if (!urb) | |
1039 | return; | |
1040 | ||
1041 | ir = urb->context; | |
1042 | if (!ir) { | |
1043 | usb_unlink_urb(urb); | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | buf_len = urb->actual_length; | |
1048 | ||
66e89522 JW |
1049 | if (ir->send_flags == RECV_FLAG_IN_PROGRESS) { |
1050 | ir->send_flags = SEND_FLAG_COMPLETE; | |
5ae8f9a3 | 1051 | mce_dbg(ir->dev, "setup answer received %d bytes\n", |
66e89522 JW |
1052 | buf_len); |
1053 | } | |
1054 | ||
1055 | switch (urb->status) { | |
1056 | /* success */ | |
1057 | case 0: | |
1058 | mceusb_process_ir_data(ir, buf_len); | |
1059 | break; | |
1060 | ||
1061 | case -ECONNRESET: | |
1062 | case -ENOENT: | |
1063 | case -ESHUTDOWN: | |
1064 | usb_unlink_urb(urb); | |
1065 | return; | |
1066 | ||
1067 | case -EPIPE: | |
1068 | default: | |
5ae8f9a3 | 1069 | mce_dbg(ir->dev, "Error: urb status = %d\n", urb->status); |
66e89522 JW |
1070 | break; |
1071 | } | |
1072 | ||
1073 | usb_submit_urb(urb, GFP_ATOMIC); | |
1074 | } | |
1075 | ||
ab1072eb JW |
1076 | static void mceusb_get_emulator_version(struct mceusb_dev *ir) |
1077 | { | |
1078 | /* If we get no reply or an illegal command reply, its ver 1, says MS */ | |
1079 | ir->emver = 1; | |
1080 | mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); | |
1081 | } | |
1082 | ||
66e89522 JW |
1083 | static void mceusb_gen1_init(struct mceusb_dev *ir) |
1084 | { | |
ca17a4f0 | 1085 | int ret; |
66e89522 | 1086 | struct device *dev = ir->dev; |
b48592e4 | 1087 | char *data; |
657290b6 JW |
1088 | |
1089 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
1090 | if (!data) { | |
1091 | dev_err(dev, "%s: memory allocation failed!\n", __func__); | |
657290b6 JW |
1092 | return; |
1093 | } | |
66e89522 JW |
1094 | |
1095 | /* | |
b48592e4 | 1096 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
1097 | * on the receive control pipe and expect a certain value pair back |
1098 | */ | |
66e89522 JW |
1099 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
1100 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 1101 | data, USB_CTRL_MSG_SZ, HZ * 3); |
5ae8f9a3 JW |
1102 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
1103 | mce_dbg(dev, "%s - data[0] = %d, data[1] = %d\n", | |
66e89522 JW |
1104 | __func__, data[0], data[1]); |
1105 | ||
1106 | /* set feature: bit rate 38400 bps */ | |
1107 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1108 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
1109 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
1110 | ||
5ae8f9a3 | 1111 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
66e89522 JW |
1112 | |
1113 | /* bRequest 4: set char length to 8 bits */ | |
1114 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1115 | 4, USB_TYPE_VENDOR, | |
1116 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1117 | mce_dbg(dev, "%s - retB = %d\n", __func__, ret); |
66e89522 JW |
1118 | |
1119 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1120 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1121 | 2, USB_TYPE_VENDOR, | |
1122 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1123 | mce_dbg(dev, "%s - retC = %d\n", __func__, ret); |
657290b6 | 1124 | |
a6fbd3b7 JW |
1125 | /* device resume */ |
1126 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
22b0766b JW |
1127 | |
1128 | /* get hw/sw revision? */ | |
1129 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1130 | |
657290b6 | 1131 | kfree(data); |
66e89522 JW |
1132 | }; |
1133 | ||
1134 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1135 | { | |
a6fbd3b7 JW |
1136 | /* device resume */ |
1137 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
66e89522 JW |
1138 | |
1139 | /* get hw/sw revision? */ | |
1140 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
66e89522 | 1141 | |
a6fbd3b7 JW |
1142 | /* get wake version (protocol, key, address) */ |
1143 | mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); | |
1144 | ||
1145 | /* unknown what this one actually returns... */ | |
22b0766b | 1146 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1147 | } |
1148 | ||
22b0766b | 1149 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1150 | { |
a411e839 JW |
1151 | int i; |
1152 | unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, | |
1153 | MCE_CMD_GETPORTSTATUS, 0x00 }; | |
1154 | ||
1155 | /* defaults, if the hardware doesn't support querying */ | |
1156 | ir->num_txports = 2; | |
1157 | ir->num_rxports = 2; | |
1158 | ||
1159 | /* get number of tx and rx ports */ | |
1160 | mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); | |
1161 | ||
66e89522 JW |
1162 | /* get the carrier and frequency */ |
1163 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1164 | |
a411e839 | 1165 | if (ir->num_txports && !ir->flags.no_tx) |
6f6c625d JW |
1166 | /* get the transmitter bitmask */ |
1167 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1168 | |
1169 | /* get receiver timeout value */ | |
1170 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1171 | |
1172 | /* get receiver sensor setting */ | |
1173 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
a411e839 JW |
1174 | |
1175 | for (i = 0; i < ir->num_txports; i++) { | |
1176 | cmdbuf[2] = i; | |
1177 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1178 | } | |
66e89522 JW |
1179 | } |
1180 | ||
b71969be JW |
1181 | static void mceusb_flash_led(struct mceusb_dev *ir) |
1182 | { | |
1183 | if (ir->emver < 2) | |
1184 | return; | |
1185 | ||
1186 | mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED)); | |
1187 | } | |
1188 | ||
d8b4b582 | 1189 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1190 | { |
66e89522 | 1191 | struct device *dev = ir->dev; |
d8b4b582 DH |
1192 | struct rc_dev *rc; |
1193 | int ret; | |
66e89522 | 1194 | |
d8b4b582 DH |
1195 | rc = rc_allocate_device(); |
1196 | if (!rc) { | |
1197 | dev_err(dev, "remote dev allocation failed\n"); | |
1198 | goto out; | |
66e89522 JW |
1199 | } |
1200 | ||
3459d455 | 1201 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1202 | mceusb_model[ir->model].name ? |
5ad1a555 | 1203 | mceusb_model[ir->model].name : |
d8b4b582 | 1204 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1205 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1206 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1207 | ||
66e89522 | 1208 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1209 | |
d8b4b582 DH |
1210 | rc->input_name = ir->name; |
1211 | rc->input_phys = ir->phys; | |
1212 | usb_to_input_id(ir->usbdev, &rc->input_id); | |
1213 | rc->dev.parent = dev; | |
1214 | rc->priv = ir; | |
1215 | rc->driver_type = RC_DRIVER_IR_RAW; | |
52b66144 | 1216 | rc->allowed_protos = RC_TYPE_ALL; |
9824ae4a | 1217 | rc->timeout = MS_TO_NS(100); |
6f6c625d | 1218 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
1219 | rc->s_tx_mask = mceusb_set_tx_mask; |
1220 | rc->s_tx_carrier = mceusb_set_tx_carrier; | |
1221 | rc->tx_ir = mceusb_tx_ir; | |
6f6c625d | 1222 | } |
d8b4b582 DH |
1223 | rc->driver_name = DRIVER_NAME; |
1224 | rc->map_name = mceusb_model[ir->model].rc_map ? | |
1225 | mceusb_model[ir->model].rc_map : RC_MAP_RC6_MCE; | |
66e89522 | 1226 | |
d8b4b582 | 1227 | ret = rc_register_device(rc); |
66e89522 | 1228 | if (ret < 0) { |
d8b4b582 DH |
1229 | dev_err(dev, "remote dev registration failed\n"); |
1230 | goto out; | |
66e89522 JW |
1231 | } |
1232 | ||
d8b4b582 | 1233 | return rc; |
66e89522 | 1234 | |
d8b4b582 DH |
1235 | out: |
1236 | rc_free_device(rc); | |
66e89522 JW |
1237 | return NULL; |
1238 | } | |
1239 | ||
1240 | static int __devinit mceusb_dev_probe(struct usb_interface *intf, | |
1241 | const struct usb_device_id *id) | |
1242 | { | |
1243 | struct usb_device *dev = interface_to_usbdev(intf); | |
1244 | struct usb_host_interface *idesc; | |
1245 | struct usb_endpoint_descriptor *ep = NULL; | |
1246 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1247 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1248 | struct mceusb_dev *ir = NULL; |
d732a72d | 1249 | int pipe, maxp, i; |
66e89522 | 1250 | char buf[63], name[128] = ""; |
37dbd3a6 | 1251 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1252 | bool is_gen3; |
1253 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1254 | bool tx_mask_normal; |
a6994eb0 | 1255 | int ir_intfnum; |
66e89522 | 1256 | |
5ae8f9a3 | 1257 | mce_dbg(&intf->dev, "%s called\n", __func__); |
66e89522 | 1258 | |
66e89522 JW |
1259 | idesc = intf->cur_altsetting; |
1260 | ||
37dbd3a6 MCC |
1261 | is_gen3 = mceusb_model[model].mce_gen3; |
1262 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1263 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1264 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1265 | |
a6994eb0 JW |
1266 | /* There are multi-function devices with non-IR interfaces */ |
1267 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1268 | return -ENODEV; | |
66e89522 JW |
1269 | |
1270 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1271 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1272 | ep = &idesc->endpoint[i].desc; | |
1273 | ||
1274 | if ((ep_in == NULL) | |
1275 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1276 | == USB_DIR_IN) | |
1277 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1278 | == USB_ENDPOINT_XFER_BULK) | |
1279 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1280 | == USB_ENDPOINT_XFER_INT))) { | |
1281 | ||
66e89522 JW |
1282 | ep_in = ep; |
1283 | ep_in->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1284 | ep_in->bInterval = 1; |
5ae8f9a3 | 1285 | mce_dbg(&intf->dev, "acceptable inbound endpoint " |
d732a72d | 1286 | "found\n"); |
66e89522 JW |
1287 | } |
1288 | ||
1289 | if ((ep_out == NULL) | |
1290 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1291 | == USB_DIR_OUT) | |
1292 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1293 | == USB_ENDPOINT_XFER_BULK) | |
1294 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1295 | == USB_ENDPOINT_XFER_INT))) { | |
1296 | ||
66e89522 JW |
1297 | ep_out = ep; |
1298 | ep_out->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1299 | ep_out->bInterval = 1; |
5ae8f9a3 | 1300 | mce_dbg(&intf->dev, "acceptable outbound endpoint " |
d732a72d | 1301 | "found\n"); |
66e89522 JW |
1302 | } |
1303 | } | |
1304 | if (ep_in == NULL) { | |
5ae8f9a3 | 1305 | mce_dbg(&intf->dev, "inbound and/or endpoint not found\n"); |
66e89522 JW |
1306 | return -ENODEV; |
1307 | } | |
1308 | ||
1309 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1310 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
1311 | ||
1312 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1313 | if (!ir) | |
1314 | goto mem_alloc_fail; | |
1315 | ||
1316 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); | |
1317 | if (!ir->buf_in) | |
1318 | goto buf_in_alloc_fail; | |
1319 | ||
1320 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1321 | if (!ir->urb_in) | |
1322 | goto urb_in_alloc_fail; | |
1323 | ||
1324 | ir->usbdev = dev; | |
1325 | ir->dev = &intf->dev; | |
1326 | ir->len_in = maxp; | |
66e89522 | 1327 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1328 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1329 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1330 | ir->model = model; |
1331 | ||
66e89522 JW |
1332 | /* Saving usb interface data for use by the transmitter routine */ |
1333 | ir->usb_ep_in = ep_in; | |
1334 | ir->usb_ep_out = ep_out; | |
1335 | ||
1336 | if (dev->descriptor.iManufacturer | |
1337 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1338 | buf, sizeof(buf)) > 0) | |
1339 | strlcpy(name, buf, sizeof(name)); | |
1340 | if (dev->descriptor.iProduct | |
1341 | && usb_string(dev, dev->descriptor.iProduct, | |
1342 | buf, sizeof(buf)) > 0) | |
1343 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1344 | " %s", buf); | |
1345 | ||
d8b4b582 DH |
1346 | ir->rc = mceusb_init_rc_dev(ir); |
1347 | if (!ir->rc) | |
1348 | goto rc_dev_fail; | |
66e89522 | 1349 | |
b48592e4 | 1350 | /* wire up inbound data handler */ |
66e89522 JW |
1351 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, |
1352 | maxp, (usb_complete_t) mceusb_dev_recv, ir, ep_in->bInterval); | |
1353 | ir->urb_in->transfer_dma = ir->dma_in; | |
1354 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1355 | ||
3a918aa6 JW |
1356 | /* flush buffers on the device */ |
1357 | mce_dbg(&intf->dev, "Flushing receive buffers\n"); | |
1358 | mce_flush_rx_buffer(ir, maxp); | |
1359 | ||
ab1072eb JW |
1360 | /* figure out which firmware/emulator version this hardware has */ |
1361 | mceusb_get_emulator_version(ir); | |
1362 | ||
66e89522 | 1363 | /* initialize device */ |
22b0766b | 1364 | if (ir->flags.microsoft_gen1) |
66e89522 | 1365 | mceusb_gen1_init(ir); |
22b0766b | 1366 | else if (!is_gen3) |
66e89522 JW |
1367 | mceusb_gen2_init(ir); |
1368 | ||
22b0766b | 1369 | mceusb_get_parameters(ir); |
66e89522 | 1370 | |
b71969be JW |
1371 | mceusb_flash_led(ir); |
1372 | ||
6f6c625d | 1373 | if (!ir->flags.no_tx) |
d8b4b582 | 1374 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1375 | |
1376 | usb_set_intfdata(intf, ir); | |
1377 | ||
fa334898 JW |
1378 | /* enable wake via this device */ |
1379 | device_set_wakeup_capable(ir->dev, true); | |
1380 | device_set_wakeup_enable(ir->dev, true); | |
1381 | ||
ab1072eb JW |
1382 | dev_info(&intf->dev, "Registered %s with mce emulator interface " |
1383 | "version %x\n", name, ir->emver); | |
a411e839 JW |
1384 | dev_info(&intf->dev, "%x tx ports (0x%x cabled) and " |
1385 | "%x rx sensors (0x%x active)\n", | |
1386 | ir->num_txports, ir->txports_cabled, | |
1387 | ir->num_rxports, ir->rxports_active); | |
66e89522 JW |
1388 | |
1389 | return 0; | |
1390 | ||
1391 | /* Error-handling path */ | |
d8b4b582 | 1392 | rc_dev_fail: |
66e89522 JW |
1393 | usb_free_urb(ir->urb_in); |
1394 | urb_in_alloc_fail: | |
1395 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1396 | buf_in_alloc_fail: | |
1397 | kfree(ir); | |
1398 | mem_alloc_fail: | |
1399 | dev_err(&intf->dev, "%s: device setup failed!\n", __func__); | |
1400 | ||
1401 | return -ENOMEM; | |
1402 | } | |
1403 | ||
1404 | ||
1405 | static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) | |
1406 | { | |
1407 | struct usb_device *dev = interface_to_usbdev(intf); | |
1408 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1409 | ||
1410 | usb_set_intfdata(intf, NULL); | |
1411 | ||
1412 | if (!ir) | |
1413 | return; | |
1414 | ||
1415 | ir->usbdev = NULL; | |
d8b4b582 | 1416 | rc_unregister_device(ir->rc); |
66e89522 JW |
1417 | usb_kill_urb(ir->urb_in); |
1418 | usb_free_urb(ir->urb_in); | |
1419 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
1420 | ||
1421 | kfree(ir); | |
1422 | } | |
1423 | ||
1424 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1425 | { | |
1426 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1427 | dev_info(ir->dev, "suspend\n"); | |
1428 | usb_kill_urb(ir->urb_in); | |
1429 | return 0; | |
1430 | } | |
1431 | ||
1432 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1433 | { | |
1434 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1435 | dev_info(ir->dev, "resume\n"); | |
1436 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) | |
1437 | return -EIO; | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | static struct usb_driver mceusb_dev_driver = { | |
1442 | .name = DRIVER_NAME, | |
1443 | .probe = mceusb_dev_probe, | |
1444 | .disconnect = mceusb_dev_disconnect, | |
1445 | .suspend = mceusb_dev_suspend, | |
1446 | .resume = mceusb_dev_resume, | |
1447 | .reset_resume = mceusb_dev_resume, | |
1448 | .id_table = mceusb_dev_table | |
1449 | }; | |
1450 | ||
ecb3b2b3 | 1451 | module_usb_driver(mceusb_dev_driver); |
66e89522 JW |
1452 | |
1453 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1454 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1455 | MODULE_LICENSE("GPL"); | |
1456 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); | |
1457 | ||
1458 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1459 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |