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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 |
a4de5f05 | 202 | #define VENDOR_TWISTEDMELON 0x2596 |
66e89522 | 203 | |
37dbd3a6 MCC |
204 | enum mceusb_model_type { |
205 | MCE_GEN2 = 0, /* Most boards */ | |
206 | MCE_GEN1, | |
207 | MCE_GEN3, | |
208 | MCE_GEN2_TX_INV, | |
209 | POLARIS_EVK, | |
6f6c625d | 210 | CX_HYBRID_TV, |
a6994eb0 | 211 | MULTIFUNCTION, |
d8ee99e7 | 212 | TIVO_KIT, |
2faa0ca8 | 213 | MCE_GEN2_NO_TX, |
37dbd3a6 MCC |
214 | }; |
215 | ||
216 | struct mceusb_model { | |
217 | u32 mce_gen1:1; | |
218 | u32 mce_gen2:1; | |
219 | u32 mce_gen3:1; | |
d8cc7fd7 | 220 | u32 tx_mask_normal:1; |
6f6c625d | 221 | u32 no_tx:1; |
37dbd3a6 | 222 | |
a6994eb0 JW |
223 | int ir_intfnum; |
224 | ||
17c2b1fd | 225 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 226 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
227 | }; |
228 | ||
229 | static const struct mceusb_model mceusb_model[] = { | |
230 | [MCE_GEN1] = { | |
231 | .mce_gen1 = 1, | |
d8cc7fd7 | 232 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
233 | }, |
234 | [MCE_GEN2] = { | |
235 | .mce_gen2 = 1, | |
236 | }, | |
2faa0ca8 JW |
237 | [MCE_GEN2_NO_TX] = { |
238 | .mce_gen2 = 1, | |
239 | .no_tx = 1, | |
240 | }, | |
37dbd3a6 MCC |
241 | [MCE_GEN2_TX_INV] = { |
242 | .mce_gen2 = 1, | |
d8cc7fd7 | 243 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
244 | }, |
245 | [MCE_GEN3] = { | |
246 | .mce_gen3 = 1, | |
d8cc7fd7 | 247 | .tx_mask_normal = 1, |
37dbd3a6 MCC |
248 | }, |
249 | [POLARIS_EVK] = { | |
17c2b1fd MCC |
250 | /* |
251 | * In fact, the EVK is shipped without | |
252 | * remotes, but we should have something handy, | |
253 | * to allow testing it | |
254 | */ | |
15195d3a | 255 | .rc_map = RC_MAP_HAUPPAUGE, |
6f6c625d JW |
256 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
257 | }, | |
258 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
259 | .no_tx = 1, /* tx isn't wired up at all */ |
260 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 261 | }, |
a6994eb0 JW |
262 | [MULTIFUNCTION] = { |
263 | .mce_gen2 = 1, | |
264 | .ir_intfnum = 2, | |
265 | }, | |
d8ee99e7 JW |
266 | [TIVO_KIT] = { |
267 | .mce_gen2 = 1, | |
268 | .rc_map = RC_MAP_TIVO, | |
269 | }, | |
37dbd3a6 MCC |
270 | }; |
271 | ||
66e89522 JW |
272 | static struct usb_device_id mceusb_dev_table[] = { |
273 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ | |
37dbd3a6 MCC |
274 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
275 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
276 | /* Philips Infrared Transceiver - Sahara branded */ |
277 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
278 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
279 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
280 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
281 | /* Philips SRM5100 */ |
282 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
283 | /* Philips Infrared Transceiver - Omaura */ | |
284 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
285 | /* Philips Infrared Transceiver - Spinel plus */ | |
286 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
287 | /* Philips eHome Infrared Transceiver */ | |
288 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
289 | /* Philips/Spinel plus IR transceiver for ASUS */ |
290 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
291 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
292 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 JW |
293 | /* Philips IR transceiver (Dell branded) */ |
294 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093) }, | |
a6994eb0 JW |
295 | /* Realtek MCE IR Receiver and card reader */ |
296 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
297 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 298 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 MCC |
299 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
300 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 301 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
302 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
303 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 304 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
305 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
306 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
307 | /* SMK eHome Infrared Transceiver */ |
308 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
309 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
310 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
311 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
312 | /* Tatung eHome Infrared Transceiver */ |
313 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
314 | /* Shuttle eHome Infrared Transceiver */ | |
315 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
316 | /* Shuttle eHome Infrared Transceiver */ | |
317 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
318 | /* Gateway eHome Infrared Transceiver */ | |
319 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
320 | /* Mitsumi */ | |
321 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
322 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
323 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
324 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 325 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
326 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
327 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 328 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
329 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
330 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 331 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
332 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
333 | .driver_info = MCE_GEN3 }, | |
66e89522 | 334 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
335 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
336 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 337 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 338 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
7d9a46f9 | 339 | .driver_info = MCE_GEN3 }, |
66e89522 JW |
340 | /* Ricavision internal Infrared Transceiver */ |
341 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
342 | /* Itron ione Libra Q-11 */ | |
343 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
344 | /* FIC eHome Infrared Transceiver */ | |
345 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
346 | /* LG eHome Infrared Transceiver */ | |
347 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
348 | /* Microsoft MCE Infrared Transceiver */ | |
349 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
350 | /* Formosa eHome Infrared Transceiver */ | |
351 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
352 | /* Formosa21 / eHome Infrared Receiver */ | |
353 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
354 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
355 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
356 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
357 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
358 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
359 | /* Formosa21 / eHome Infrared Receiver */ | |
360 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
361 | /* Formosa Industrial Computing AIM IR605/A */ | |
362 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
363 | /* Formosa Industrial Computing */ | |
364 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
22f1732f JW |
365 | /* Formosa Industrial Computing */ |
366 | { USB_DEVICE(VENDOR_FORMOSA, 0xe042) }, | |
fbb1f1b0 JW |
367 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
368 | { USB_DEVICE(VENDOR_FINTEK, 0x5168) }, | |
66e89522 JW |
369 | /* Fintek eHome Infrared Transceiver */ |
370 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
371 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
372 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
373 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
374 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
375 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
376 | /* Elitegroup Computer Systems IR */ |
377 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
378 | /* Wistron Corp. eHome Infrared Receiver */ | |
379 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
380 | /* Compro K100 */ | |
381 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
382 | /* Compro K100 v2 */ | |
383 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
384 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
385 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
386 | /* TiVo PC IR Receiver */ | |
d8ee99e7 JW |
387 | { USB_DEVICE(VENDOR_TIVO, 0x2000), |
388 | .driver_info = TIVO_KIT }, | |
6f6c625d | 389 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
390 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
391 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
392 | /* Conexant Hybrid TV RDU253S Polaris */ |
393 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
394 | .driver_info = CX_HYBRID_TV }, | |
a4de5f05 ML |
395 | /* Twisted Melon Inc. - Manta Mini Receiver */ |
396 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) }, | |
397 | /* Twisted Melon Inc. - Manta Pico Receiver */ | |
398 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, | |
399 | /* Twisted Melon Inc. - Manta Transceiver */ | |
400 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, | |
66e89522 JW |
401 | /* Terminating entry */ |
402 | { } | |
403 | }; | |
404 | ||
66e89522 JW |
405 | /* data structure for each usb transceiver */ |
406 | struct mceusb_dev { | |
407 | /* ir-core bits */ | |
d8b4b582 | 408 | struct rc_dev *rc; |
2ee95db2 JW |
409 | |
410 | /* optional features we can enable */ | |
411 | bool carrier_report_enabled; | |
412 | bool learning_enabled; | |
66e89522 JW |
413 | |
414 | /* core device bits */ | |
415 | struct device *dev; | |
66e89522 JW |
416 | |
417 | /* usb */ | |
418 | struct usb_device *usbdev; | |
419 | struct urb *urb_in; | |
66e89522 JW |
420 | struct usb_endpoint_descriptor *usb_ep_out; |
421 | ||
422 | /* buffers and dma */ | |
423 | unsigned char *buf_in; | |
424 | unsigned int len_in; | |
2ee95db2 | 425 | dma_addr_t dma_in; |
39dc5c3a MCC |
426 | |
427 | enum { | |
428 | CMD_HEADER = 0, | |
429 | SUBCMD, | |
430 | CMD_DATA, | |
431 | PARSE_IRDATA, | |
432 | } parser_state; | |
39dc5c3a | 433 | |
2ee95db2 | 434 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
435 | |
436 | struct { | |
437 | u32 connected:1; | |
d8cc7fd7 | 438 | u32 tx_mask_normal:1; |
66e89522 | 439 | u32 microsoft_gen1:1; |
6f6c625d | 440 | u32 no_tx:1; |
66e89522 JW |
441 | } flags; |
442 | ||
e23fb964 | 443 | /* transmit support */ |
66e89522 | 444 | int send_flags; |
e23fb964 JW |
445 | u32 carrier; |
446 | unsigned char tx_mask; | |
66e89522 JW |
447 | |
448 | char name[128]; | |
449 | char phys[64]; | |
37dbd3a6 | 450 | enum mceusb_model_type model; |
4840b788 JW |
451 | |
452 | bool need_reset; /* flag to issue a device resume cmd */ | |
ab1072eb | 453 | u8 emver; /* emulator interface version */ |
a411e839 JW |
454 | u8 num_txports; /* number of transmit ports */ |
455 | u8 num_rxports; /* number of receive sensors */ | |
456 | u8 txports_cabled; /* bitmask of transmitters with cable */ | |
457 | u8 rxports_active; /* bitmask of active receive sensors */ | |
66e89522 JW |
458 | }; |
459 | ||
a6fbd3b7 JW |
460 | /* MCE Device Command Strings, generally a port and command pair */ |
461 | static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, | |
462 | MCE_CMD_RESUME}; | |
463 | static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; | |
ab1072eb | 464 | static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; |
a6fbd3b7 | 465 | static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; |
b71969be | 466 | static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; |
a6fbd3b7 JW |
467 | static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; |
468 | static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; | |
469 | static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; | |
a411e839 | 470 | static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; |
a6fbd3b7 JW |
471 | static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; |
472 | static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; | |
66e89522 JW |
473 | /* sub in desired values in lower byte or bytes for full command */ |
474 | /* FIXME: make use of these for transmit. | |
a6fbd3b7 JW |
475 | static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, |
476 | MCE_CMD_SETIRCFS, 0x00, 0x00}; | |
477 | static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; | |
478 | static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, | |
479 | MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; | |
480 | static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, | |
481 | MCE_RSP_EQIRRXPORTEN, 0x00}; | |
66e89522 JW |
482 | */ |
483 | ||
39dc5c3a MCC |
484 | static int mceusb_cmdsize(u8 cmd, u8 subcmd) |
485 | { | |
486 | int datasize = 0; | |
487 | ||
488 | switch (cmd) { | |
a6fbd3b7 JW |
489 | case MCE_CMD_NULL: |
490 | if (subcmd == MCE_CMD_PORT_SYS) | |
39dc5c3a MCC |
491 | datasize = 1; |
492 | break; | |
a6fbd3b7 | 493 | case MCE_CMD_PORT_SYS: |
39dc5c3a | 494 | switch (subcmd) { |
a6fbd3b7 JW |
495 | case MCE_RSP_EQWAKEVERSION: |
496 | datasize = 4; | |
497 | break; | |
4a883918 | 498 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
499 | datasize = 2; |
500 | break; | |
a6fbd3b7 JW |
501 | case MCE_RSP_EQWAKESUPPORT: |
502 | datasize = 1; | |
503 | break; | |
39dc5c3a | 504 | } |
a6fbd3b7 | 505 | case MCE_CMD_PORT_IR: |
39dc5c3a | 506 | switch (subcmd) { |
4a883918 | 507 | case MCE_CMD_UNKNOWN: |
a6fbd3b7 JW |
508 | case MCE_RSP_EQIRCFS: |
509 | case MCE_RSP_EQIRTIMEOUT: | |
510 | case MCE_RSP_EQIRRXCFCNT: | |
39dc5c3a MCC |
511 | datasize = 2; |
512 | break; | |
1cd50f25 | 513 | case MCE_CMD_SIG_END: |
a6fbd3b7 JW |
514 | case MCE_RSP_EQIRTXPORTS: |
515 | case MCE_RSP_EQIRRXPORTEN: | |
39dc5c3a MCC |
516 | datasize = 1; |
517 | break; | |
518 | } | |
519 | } | |
520 | return datasize; | |
521 | } | |
522 | ||
66e89522 | 523 | static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, |
36e9d260 | 524 | int offset, int len, bool out) |
66e89522 JW |
525 | { |
526 | char codes[USB_BUFLEN * 3 + 1]; | |
527 | char inout[9]; | |
5becbc58 | 528 | u8 cmd, subcmd, data1, data2, data3, data4; |
66e89522 | 529 | struct device *dev = ir->dev; |
36e9d260 | 530 | int i, start, skip = 0; |
e217fb43 | 531 | u32 carrier, period; |
36e9d260 JW |
532 | |
533 | if (!debug) | |
534 | return; | |
66e89522 | 535 | |
657290b6 | 536 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 537 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 538 | skip = 2; |
66e89522 | 539 | |
36e9d260 | 540 | if (len <= skip) |
66e89522 JW |
541 | return; |
542 | ||
543 | for (i = 0; i < len && i < USB_BUFLEN; i++) | |
36e9d260 | 544 | snprintf(codes + i * 3, 4, "%02x ", buf[i + offset] & 0xff); |
66e89522 | 545 | |
36e9d260 | 546 | dev_info(dev, "%sx data: %s(length=%d)\n", |
66e89522 JW |
547 | (out ? "t" : "r"), codes, len); |
548 | ||
549 | if (out) | |
550 | strcpy(inout, "Request\0"); | |
551 | else | |
552 | strcpy(inout, "Got\0"); | |
553 | ||
36e9d260 JW |
554 | start = offset + skip; |
555 | cmd = buf[start] & 0xff; | |
556 | subcmd = buf[start + 1] & 0xff; | |
557 | data1 = buf[start + 2] & 0xff; | |
558 | data2 = buf[start + 3] & 0xff; | |
a6fbd3b7 JW |
559 | data3 = buf[start + 4] & 0xff; |
560 | data4 = buf[start + 5] & 0xff; | |
66e89522 JW |
561 | |
562 | switch (cmd) { | |
a6fbd3b7 | 563 | case MCE_CMD_NULL: |
a411e839 JW |
564 | if (subcmd == MCE_CMD_NULL) |
565 | break; | |
a6fbd3b7 JW |
566 | if ((subcmd == MCE_CMD_PORT_SYS) && |
567 | (data1 == MCE_CMD_RESUME)) | |
568 | dev_info(dev, "Device resume requested\n"); | |
66e89522 JW |
569 | else |
570 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
571 | cmd, subcmd); | |
572 | break; | |
a6fbd3b7 | 573 | case MCE_CMD_PORT_SYS: |
66e89522 | 574 | switch (subcmd) { |
a6fbd3b7 JW |
575 | case MCE_RSP_EQEMVER: |
576 | if (!out) | |
577 | dev_info(dev, "Emulator interface version %x\n", | |
578 | data1); | |
579 | break; | |
4a883918 | 580 | case MCE_CMD_G_REVISION: |
66e89522 JW |
581 | if (len == 2) |
582 | dev_info(dev, "Get hw/sw rev?\n"); | |
583 | else | |
584 | dev_info(dev, "hw/sw rev 0x%02x 0x%02x " | |
585 | "0x%02x 0x%02x\n", data1, data2, | |
36e9d260 | 586 | buf[start + 4], buf[start + 5]); |
66e89522 | 587 | break; |
a6fbd3b7 JW |
588 | case MCE_CMD_RESUME: |
589 | dev_info(dev, "Device resume requested\n"); | |
590 | break; | |
591 | case MCE_RSP_CMD_ILLEGAL: | |
592 | dev_info(dev, "Illegal PORT_SYS command\n"); | |
593 | break; | |
594 | case MCE_RSP_EQWAKEVERSION: | |
595 | if (!out) | |
596 | dev_info(dev, "Wake version, proto: 0x%02x, " | |
597 | "payload: 0x%02x, address: 0x%02x, " | |
598 | "version: 0x%02x\n", | |
599 | data1, data2, data3, data4); | |
66e89522 | 600 | break; |
a6fbd3b7 JW |
601 | case MCE_RSP_GETPORTSTATUS: |
602 | if (!out) | |
603 | /* We use data1 + 1 here, to match hw labels */ | |
604 | dev_info(dev, "TX port %d: blaster is%s connected\n", | |
605 | data1 + 1, data4 ? " not" : ""); | |
66e89522 | 606 | break; |
b71969be JW |
607 | case MCE_CMD_FLASHLED: |
608 | dev_info(dev, "Attempting to flash LED\n"); | |
609 | break; | |
66e89522 JW |
610 | default: |
611 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
612 | cmd, subcmd); | |
613 | break; | |
614 | } | |
615 | break; | |
a6fbd3b7 | 616 | case MCE_CMD_PORT_IR: |
66e89522 | 617 | switch (subcmd) { |
1cd50f25 JW |
618 | case MCE_CMD_SIG_END: |
619 | dev_info(dev, "End of signal\n"); | |
620 | break; | |
4a883918 | 621 | case MCE_CMD_PING: |
66e89522 JW |
622 | dev_info(dev, "Ping\n"); |
623 | break; | |
4a883918 | 624 | case MCE_CMD_UNKNOWN: |
66e89522 JW |
625 | dev_info(dev, "Resp to 9f 05 of 0x%02x 0x%02x\n", |
626 | data1, data2); | |
627 | break; | |
e217fb43 JW |
628 | case MCE_RSP_EQIRCFS: |
629 | period = DIV_ROUND_CLOSEST( | |
ed7dd240 | 630 | (1U << data1 * 2) * (data2 + 1), 10); |
e217fb43 JW |
631 | if (!period) |
632 | break; | |
633 | carrier = (1000 * 1000) / period; | |
634 | dev_info(dev, "%s carrier of %u Hz (period %uus)\n", | |
635 | inout, carrier, period); | |
66e89522 | 636 | break; |
a6fbd3b7 | 637 | case MCE_CMD_GETIRCFS: |
66e89522 JW |
638 | dev_info(dev, "Get carrier mode and freq\n"); |
639 | break; | |
a6fbd3b7 | 640 | case MCE_RSP_EQIRTXPORTS: |
66e89522 JW |
641 | dev_info(dev, "%s transmit blaster mask of 0x%02x\n", |
642 | inout, data1); | |
643 | break; | |
a6fbd3b7 | 644 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 645 | /* value is in units of 50us, so x*50/1000 ms */ |
e217fb43 | 646 | period = ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000; |
66e89522 | 647 | dev_info(dev, "%s receive timeout of %d ms\n", |
e217fb43 | 648 | inout, period); |
66e89522 | 649 | break; |
a6fbd3b7 | 650 | case MCE_CMD_GETIRTIMEOUT: |
66e89522 JW |
651 | dev_info(dev, "Get receive timeout\n"); |
652 | break; | |
a6fbd3b7 | 653 | case MCE_CMD_GETIRTXPORTS: |
66e89522 JW |
654 | dev_info(dev, "Get transmit blaster mask\n"); |
655 | break; | |
a6fbd3b7 | 656 | case MCE_RSP_EQIRRXPORTEN: |
66e89522 JW |
657 | dev_info(dev, "%s %s-range receive sensor in use\n", |
658 | inout, data1 == 0x02 ? "short" : "long"); | |
659 | break; | |
a6fbd3b7 JW |
660 | case MCE_CMD_GETIRRXPORTEN: |
661 | /* aka MCE_RSP_EQIRRXCFCNT */ | |
2ee95db2 | 662 | if (out) |
66e89522 | 663 | dev_info(dev, "Get receive sensor\n"); |
2ee95db2 JW |
664 | else if (ir->learning_enabled) |
665 | dev_info(dev, "RX pulse count: %d\n", | |
66e89522 JW |
666 | ((data1 << 8) | data2)); |
667 | break; | |
a6fbd3b7 JW |
668 | case MCE_RSP_EQIRNUMPORTS: |
669 | if (out) | |
670 | break; | |
671 | dev_info(dev, "Num TX ports: %x, num RX ports: %x\n", | |
672 | data1, data2); | |
673 | break; | |
674 | case MCE_RSP_CMD_ILLEGAL: | |
675 | dev_info(dev, "Illegal PORT_IR command\n"); | |
66e89522 | 676 | break; |
66e89522 JW |
677 | default: |
678 | dev_info(dev, "Unknown command 0x%02x 0x%02x\n", | |
679 | cmd, subcmd); | |
680 | break; | |
681 | } | |
682 | break; | |
683 | default: | |
684 | break; | |
685 | } | |
36e9d260 JW |
686 | |
687 | if (cmd == MCE_IRDATA_TRAILER) | |
688 | dev_info(dev, "End of raw IR data\n"); | |
a6fbd3b7 JW |
689 | else if ((cmd != MCE_CMD_PORT_IR) && |
690 | ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) | |
36e9d260 | 691 | dev_info(dev, "Raw IR data, %d pulse/space samples\n", ir->rem); |
66e89522 JW |
692 | } |
693 | ||
6ac454aa | 694 | static void mce_async_callback(struct urb *urb) |
66e89522 JW |
695 | { |
696 | struct mceusb_dev *ir; | |
697 | int len; | |
698 | ||
699 | if (!urb) | |
700 | return; | |
701 | ||
702 | ir = urb->context; | |
703 | if (ir) { | |
704 | len = urb->actual_length; | |
705 | ||
36e9d260 | 706 | mceusb_dev_printdata(ir, urb->transfer_buffer, 0, len, true); |
66e89522 JW |
707 | } |
708 | ||
0b43fcdf JW |
709 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
710 | kfree(urb->transfer_buffer); | |
711 | usb_free_urb(urb); | |
66e89522 JW |
712 | } |
713 | ||
714 | /* request incoming or send outgoing usb packet - used to initialize remote */ | |
51ea6292 JW |
715 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
716 | int size, int urb_type) | |
66e89522 | 717 | { |
51ea6292 | 718 | int res, pipe; |
66e89522 JW |
719 | struct urb *async_urb; |
720 | struct device *dev = ir->dev; | |
721 | unsigned char *async_buf; | |
722 | ||
723 | if (urb_type == MCEUSB_TX) { | |
724 | async_urb = usb_alloc_urb(0, GFP_KERNEL); | |
725 | if (unlikely(!async_urb)) { | |
726 | dev_err(dev, "Error, couldn't allocate urb!\n"); | |
727 | return; | |
728 | } | |
729 | ||
730 | async_buf = kzalloc(size, GFP_KERNEL); | |
731 | if (!async_buf) { | |
732 | dev_err(dev, "Error, couldn't allocate buf!\n"); | |
733 | usb_free_urb(async_urb); | |
734 | return; | |
735 | } | |
736 | ||
737 | /* outbound data */ | |
51ea6292 JW |
738 | pipe = usb_sndintpipe(ir->usbdev, |
739 | ir->usb_ep_out->bEndpointAddress); | |
740 | usb_fill_int_urb(async_urb, ir->usbdev, pipe, | |
6ac454aa | 741 | async_buf, size, mce_async_callback, |
51ea6292 | 742 | ir, ir->usb_ep_out->bInterval); |
66e89522 JW |
743 | memcpy(async_buf, data, size); |
744 | ||
745 | } else if (urb_type == MCEUSB_RX) { | |
746 | /* standard request */ | |
747 | async_urb = ir->urb_in; | |
748 | ir->send_flags = RECV_FLAG_IN_PROGRESS; | |
749 | ||
750 | } else { | |
751 | dev_err(dev, "Error! Unknown urb type %d\n", urb_type); | |
752 | return; | |
753 | } | |
754 | ||
5ae8f9a3 | 755 | mce_dbg(dev, "receive request called (size=%#x)\n", size); |
66e89522 JW |
756 | |
757 | async_urb->transfer_buffer_length = size; | |
758 | async_urb->dev = ir->usbdev; | |
759 | ||
760 | res = usb_submit_urb(async_urb, GFP_ATOMIC); | |
761 | if (res) { | |
5ae8f9a3 | 762 | mce_dbg(dev, "receive request FAILED! (res=%d)\n", res); |
66e89522 JW |
763 | return; |
764 | } | |
5ae8f9a3 | 765 | mce_dbg(dev, "receive request complete (res=%d)\n", res); |
66e89522 JW |
766 | } |
767 | ||
768 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
769 | { | |
4840b788 JW |
770 | int rsize = sizeof(DEVICE_RESUME); |
771 | ||
772 | if (ir->need_reset) { | |
773 | ir->need_reset = false; | |
774 | mce_request_packet(ir, DEVICE_RESUME, rsize, MCEUSB_TX); | |
775 | msleep(10); | |
776 | } | |
777 | ||
51ea6292 | 778 | mce_request_packet(ir, data, size, MCEUSB_TX); |
417c0a23 | 779 | msleep(10); |
66e89522 JW |
780 | } |
781 | ||
3a918aa6 | 782 | static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size) |
66e89522 | 783 | { |
3a918aa6 | 784 | mce_request_packet(ir, NULL, size, MCEUSB_RX); |
66e89522 JW |
785 | } |
786 | ||
e23fb964 | 787 | /* Send data out the IR blaster port(s) */ |
5588dc2b | 788 | static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) |
e23fb964 | 789 | { |
d8b4b582 | 790 | struct mceusb_dev *ir = dev->priv; |
e23fb964 | 791 | int i, ret = 0; |
5588dc2b | 792 | int cmdcount = 0; |
e23fb964 | 793 | unsigned char *cmdbuf; /* MCE command buffer */ |
e23fb964 | 794 | |
5588dc2b | 795 | cmdbuf = kzalloc(sizeof(unsigned) * MCE_CMDBUF_SIZE, GFP_KERNEL); |
e23fb964 JW |
796 | if (!cmdbuf) |
797 | return -ENOMEM; | |
798 | ||
799 | /* MCE tx init header */ | |
a6fbd3b7 JW |
800 | cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; |
801 | cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; | |
e23fb964 JW |
802 | cmdbuf[cmdcount++] = ir->tx_mask; |
803 | ||
804 | /* Generate mce packet data */ | |
805 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
e23fb964 JW |
806 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; |
807 | ||
808 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
809 | ||
810 | /* Insert mce packet header every 4th entry */ | |
811 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
812 | (cmdcount - MCE_TX_HEADER_LENGTH) % | |
813 | MCE_CODE_LENGTH == 0) | |
4a883918 | 814 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
815 | |
816 | /* Insert mce packet data */ | |
817 | if (cmdcount < MCE_CMDBUF_SIZE) | |
818 | cmdbuf[cmdcount++] = | |
819 | (txbuf[i] < MCE_PULSE_BIT ? | |
820 | txbuf[i] : MCE_MAX_PULSE_LENGTH) | | |
821 | (i & 1 ? 0x00 : MCE_PULSE_BIT); | |
822 | else { | |
823 | ret = -EINVAL; | |
824 | goto out; | |
825 | } | |
826 | ||
827 | } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) && | |
828 | (txbuf[i] -= MCE_MAX_PULSE_LENGTH)); | |
829 | } | |
830 | ||
831 | /* Fix packet length in last header */ | |
832 | cmdbuf[cmdcount - (cmdcount - MCE_TX_HEADER_LENGTH) % MCE_CODE_LENGTH] = | |
4a883918 JW |
833 | MCE_COMMAND_IRDATA + (cmdcount - MCE_TX_HEADER_LENGTH) % |
834 | MCE_CODE_LENGTH - 1; | |
e23fb964 JW |
835 | |
836 | /* Check if we have room for the empty packet at the end */ | |
837 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
838 | ret = -EINVAL; | |
839 | goto out; | |
840 | } | |
841 | ||
842 | /* All mce commands end with an empty packet (0x80) */ | |
4a883918 | 843 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
844 | |
845 | /* Transmit the command to the mce device */ | |
846 | mce_async_out(ir, cmdbuf, cmdcount); | |
847 | ||
e23fb964 JW |
848 | out: |
849 | kfree(cmdbuf); | |
5588dc2b | 850 | return ret ? ret : count; |
e23fb964 JW |
851 | } |
852 | ||
6f6c625d | 853 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 854 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 855 | { |
d8b4b582 | 856 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 857 | |
d8cc7fd7 JW |
858 | if (ir->flags.tx_mask_normal) |
859 | ir->tx_mask = mask; | |
860 | else | |
4a883918 JW |
861 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
862 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
863 | |
864 | return 0; | |
865 | } | |
866 | ||
e23fb964 | 867 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 868 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 869 | { |
d8b4b582 | 870 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
871 | int clk = 10000000; |
872 | int prescaler = 0, divisor = 0; | |
a6fbd3b7 JW |
873 | unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, |
874 | MCE_CMD_SETIRCFS, 0x00, 0x00 }; | |
e23fb964 JW |
875 | |
876 | /* Carrier has changed */ | |
877 | if (ir->carrier != carrier) { | |
878 | ||
879 | if (carrier == 0) { | |
880 | ir->carrier = carrier; | |
1cd50f25 | 881 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 882 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
5ae8f9a3 | 883 | mce_dbg(ir->dev, "%s: disabling carrier " |
e23fb964 JW |
884 | "modulation\n", __func__); |
885 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
886 | return carrier; | |
887 | } | |
888 | ||
889 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
890 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 891 | if (divisor <= 0xff) { |
e23fb964 JW |
892 | ir->carrier = carrier; |
893 | cmdbuf[2] = prescaler; | |
894 | cmdbuf[3] = divisor; | |
5ae8f9a3 | 895 | mce_dbg(ir->dev, "%s: requesting %u HZ " |
e23fb964 JW |
896 | "carrier\n", __func__, carrier); |
897 | ||
898 | /* Transmit new carrier to mce device */ | |
899 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
900 | return carrier; | |
901 | } | |
902 | } | |
903 | ||
904 | return -EINVAL; | |
905 | ||
906 | } | |
907 | ||
908 | return carrier; | |
909 | } | |
910 | ||
2ee95db2 JW |
911 | /* |
912 | * We don't do anything but print debug spew for many of the command bits | |
913 | * we receive from the hardware, but some of them are useful information | |
914 | * we want to store so that we can use them. | |
915 | */ | |
916 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
917 | { | |
918 | u8 hi = ir->buf_in[index + 1] & 0xff; | |
919 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
920 | ||
921 | switch (ir->buf_in[index]) { | |
a411e839 JW |
922 | /* the one and only 5-byte return value command */ |
923 | case MCE_RSP_GETPORTSTATUS: | |
924 | if ((ir->buf_in[index + 4] & 0xff) == 0x00) | |
925 | ir->txports_cabled |= 1 << hi; | |
926 | break; | |
927 | ||
2ee95db2 | 928 | /* 2-byte return value commands */ |
a6fbd3b7 | 929 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 930 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); |
2ee95db2 | 931 | break; |
a411e839 JW |
932 | case MCE_RSP_EQIRNUMPORTS: |
933 | ir->num_txports = hi; | |
934 | ir->num_rxports = lo; | |
935 | break; | |
2ee95db2 JW |
936 | |
937 | /* 1-byte return value commands */ | |
ab1072eb JW |
938 | case MCE_RSP_EQEMVER: |
939 | ir->emver = hi; | |
940 | break; | |
a6fbd3b7 | 941 | case MCE_RSP_EQIRTXPORTS: |
2ee95db2 JW |
942 | ir->tx_mask = hi; |
943 | break; | |
a6fbd3b7 JW |
944 | case MCE_RSP_EQIRRXPORTEN: |
945 | ir->learning_enabled = ((hi & 0x02) == 0x02); | |
a411e839 | 946 | ir->rxports_active = hi; |
2ee95db2 | 947 | break; |
4840b788 JW |
948 | case MCE_RSP_CMD_ILLEGAL: |
949 | ir->need_reset = true; | |
950 | break; | |
2ee95db2 JW |
951 | default: |
952 | break; | |
953 | } | |
954 | } | |
955 | ||
66e89522 JW |
956 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
957 | { | |
4651918a | 958 | DEFINE_IR_RAW_EVENT(rawir); |
b83bfd1b | 959 | bool event = false; |
39dc5c3a | 960 | int i = 0; |
66e89522 JW |
961 | |
962 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
963 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 964 | i = 2; |
66e89522 | 965 | |
29b4494b JW |
966 | /* if there's no data, just return now */ |
967 | if (buf_len <= i) | |
968 | return; | |
969 | ||
39dc5c3a MCC |
970 | for (; i < buf_len; i++) { |
971 | switch (ir->parser_state) { | |
972 | case SUBCMD: | |
973 | ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]); | |
36e9d260 JW |
974 | mceusb_dev_printdata(ir, ir->buf_in, i - 1, |
975 | ir->rem + 2, false); | |
2ee95db2 | 976 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
977 | ir->parser_state = CMD_DATA; |
978 | break; | |
979 | case PARSE_IRDATA: | |
66e89522 | 980 | ir->rem--; |
5bd9d73c | 981 | init_ir_raw_event(&rawir); |
66e89522 JW |
982 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
983 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK) | |
b4608fae | 984 | * US_TO_NS(MCE_TIME_UNIT); |
66e89522 | 985 | |
5ae8f9a3 | 986 | mce_dbg(ir->dev, "Storing %s with duration %d\n", |
66e89522 JW |
987 | rawir.pulse ? "pulse" : "space", |
988 | rawir.duration); | |
989 | ||
b83bfd1b SY |
990 | if (ir_raw_event_store_with_filter(ir->rc, &rawir)) |
991 | event = true; | |
39dc5c3a MCC |
992 | break; |
993 | case CMD_DATA: | |
994 | ir->rem--; | |
995 | break; | |
996 | case CMD_HEADER: | |
997 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
998 | /* IR data packets can span USB messages - rem */ | |
999 | ir->cmd = ir->buf_in[i]; | |
a6fbd3b7 JW |
1000 | if ((ir->cmd == MCE_CMD_PORT_IR) || |
1001 | ((ir->cmd & MCE_PORT_MASK) != | |
4a883918 | 1002 | MCE_COMMAND_IRDATA)) { |
39dc5c3a MCC |
1003 | ir->parser_state = SUBCMD; |
1004 | continue; | |
1005 | } | |
1006 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
2ee95db2 JW |
1007 | mceusb_dev_printdata(ir, ir->buf_in, |
1008 | i, ir->rem + 1, false); | |
1cd50f25 | 1009 | if (ir->rem) |
39dc5c3a | 1010 | ir->parser_state = PARSE_IRDATA; |
5bd9d73c JW |
1011 | else |
1012 | ir_raw_event_reset(ir->rc); | |
39dc5c3a | 1013 | break; |
66e89522 JW |
1014 | } |
1015 | ||
39dc5c3a MCC |
1016 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
1017 | ir->parser_state = CMD_HEADER; | |
66e89522 | 1018 | } |
b83bfd1b SY |
1019 | if (event) { |
1020 | mce_dbg(ir->dev, "processed IR data, calling ir_raw_event_handle\n"); | |
1021 | ir_raw_event_handle(ir->rc); | |
1022 | } | |
66e89522 JW |
1023 | } |
1024 | ||
6ac454aa | 1025 | static void mceusb_dev_recv(struct urb *urb) |
66e89522 JW |
1026 | { |
1027 | struct mceusb_dev *ir; | |
1028 | int buf_len; | |
1029 | ||
1030 | if (!urb) | |
1031 | return; | |
1032 | ||
1033 | ir = urb->context; | |
1034 | if (!ir) { | |
1035 | usb_unlink_urb(urb); | |
1036 | return; | |
1037 | } | |
1038 | ||
1039 | buf_len = urb->actual_length; | |
1040 | ||
66e89522 JW |
1041 | if (ir->send_flags == RECV_FLAG_IN_PROGRESS) { |
1042 | ir->send_flags = SEND_FLAG_COMPLETE; | |
5ae8f9a3 | 1043 | mce_dbg(ir->dev, "setup answer received %d bytes\n", |
66e89522 JW |
1044 | buf_len); |
1045 | } | |
1046 | ||
1047 | switch (urb->status) { | |
1048 | /* success */ | |
1049 | case 0: | |
1050 | mceusb_process_ir_data(ir, buf_len); | |
1051 | break; | |
1052 | ||
1053 | case -ECONNRESET: | |
1054 | case -ENOENT: | |
1055 | case -ESHUTDOWN: | |
1056 | usb_unlink_urb(urb); | |
1057 | return; | |
1058 | ||
1059 | case -EPIPE: | |
1060 | default: | |
5ae8f9a3 | 1061 | mce_dbg(ir->dev, "Error: urb status = %d\n", urb->status); |
66e89522 JW |
1062 | break; |
1063 | } | |
1064 | ||
1065 | usb_submit_urb(urb, GFP_ATOMIC); | |
1066 | } | |
1067 | ||
ab1072eb JW |
1068 | static void mceusb_get_emulator_version(struct mceusb_dev *ir) |
1069 | { | |
1070 | /* If we get no reply or an illegal command reply, its ver 1, says MS */ | |
1071 | ir->emver = 1; | |
1072 | mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); | |
1073 | } | |
1074 | ||
66e89522 JW |
1075 | static void mceusb_gen1_init(struct mceusb_dev *ir) |
1076 | { | |
ca17a4f0 | 1077 | int ret; |
66e89522 | 1078 | struct device *dev = ir->dev; |
b48592e4 | 1079 | char *data; |
657290b6 JW |
1080 | |
1081 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
1082 | if (!data) { | |
1083 | dev_err(dev, "%s: memory allocation failed!\n", __func__); | |
657290b6 JW |
1084 | return; |
1085 | } | |
66e89522 JW |
1086 | |
1087 | /* | |
b48592e4 | 1088 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
1089 | * on the receive control pipe and expect a certain value pair back |
1090 | */ | |
66e89522 JW |
1091 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
1092 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 1093 | data, USB_CTRL_MSG_SZ, HZ * 3); |
5ae8f9a3 JW |
1094 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
1095 | mce_dbg(dev, "%s - data[0] = %d, data[1] = %d\n", | |
66e89522 JW |
1096 | __func__, data[0], data[1]); |
1097 | ||
1098 | /* set feature: bit rate 38400 bps */ | |
1099 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1100 | USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, | |
1101 | 0xc04e, 0x0000, NULL, 0, HZ * 3); | |
1102 | ||
5ae8f9a3 | 1103 | mce_dbg(dev, "%s - ret = %d\n", __func__, ret); |
66e89522 JW |
1104 | |
1105 | /* bRequest 4: set char length to 8 bits */ | |
1106 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1107 | 4, USB_TYPE_VENDOR, | |
1108 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1109 | mce_dbg(dev, "%s - retB = %d\n", __func__, ret); |
66e89522 JW |
1110 | |
1111 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1112 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1113 | 2, USB_TYPE_VENDOR, | |
1114 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
5ae8f9a3 | 1115 | mce_dbg(dev, "%s - retC = %d\n", __func__, ret); |
657290b6 | 1116 | |
a6fbd3b7 JW |
1117 | /* device resume */ |
1118 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
22b0766b JW |
1119 | |
1120 | /* get hw/sw revision? */ | |
1121 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1122 | |
657290b6 | 1123 | kfree(data); |
66e89522 JW |
1124 | }; |
1125 | ||
1126 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1127 | { | |
a6fbd3b7 JW |
1128 | /* device resume */ |
1129 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
66e89522 JW |
1130 | |
1131 | /* get hw/sw revision? */ | |
1132 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
66e89522 | 1133 | |
a6fbd3b7 JW |
1134 | /* get wake version (protocol, key, address) */ |
1135 | mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); | |
1136 | ||
1137 | /* unknown what this one actually returns... */ | |
22b0766b | 1138 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1139 | } |
1140 | ||
22b0766b | 1141 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1142 | { |
a411e839 JW |
1143 | int i; |
1144 | unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, | |
1145 | MCE_CMD_GETPORTSTATUS, 0x00 }; | |
1146 | ||
1147 | /* defaults, if the hardware doesn't support querying */ | |
1148 | ir->num_txports = 2; | |
1149 | ir->num_rxports = 2; | |
1150 | ||
1151 | /* get number of tx and rx ports */ | |
1152 | mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); | |
1153 | ||
66e89522 JW |
1154 | /* get the carrier and frequency */ |
1155 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1156 | |
a411e839 | 1157 | if (ir->num_txports && !ir->flags.no_tx) |
6f6c625d JW |
1158 | /* get the transmitter bitmask */ |
1159 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1160 | |
1161 | /* get receiver timeout value */ | |
1162 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1163 | |
1164 | /* get receiver sensor setting */ | |
1165 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
a411e839 JW |
1166 | |
1167 | for (i = 0; i < ir->num_txports; i++) { | |
1168 | cmdbuf[2] = i; | |
1169 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1170 | } | |
66e89522 JW |
1171 | } |
1172 | ||
b71969be JW |
1173 | static void mceusb_flash_led(struct mceusb_dev *ir) |
1174 | { | |
1175 | if (ir->emver < 2) | |
1176 | return; | |
1177 | ||
1178 | mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED)); | |
1179 | } | |
1180 | ||
d8b4b582 | 1181 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1182 | { |
66e89522 | 1183 | struct device *dev = ir->dev; |
d8b4b582 DH |
1184 | struct rc_dev *rc; |
1185 | int ret; | |
66e89522 | 1186 | |
d8b4b582 DH |
1187 | rc = rc_allocate_device(); |
1188 | if (!rc) { | |
1189 | dev_err(dev, "remote dev allocation failed\n"); | |
1190 | goto out; | |
66e89522 JW |
1191 | } |
1192 | ||
3459d455 | 1193 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1194 | mceusb_model[ir->model].name ? |
5ad1a555 | 1195 | mceusb_model[ir->model].name : |
d8b4b582 | 1196 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1197 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1198 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1199 | ||
66e89522 | 1200 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1201 | |
d8b4b582 DH |
1202 | rc->input_name = ir->name; |
1203 | rc->input_phys = ir->phys; | |
1204 | usb_to_input_id(ir->usbdev, &rc->input_id); | |
1205 | rc->dev.parent = dev; | |
1206 | rc->priv = ir; | |
1207 | rc->driver_type = RC_DRIVER_IR_RAW; | |
c003ab1b | 1208 | rc->allowed_protos = RC_BIT_ALL; |
9824ae4a | 1209 | rc->timeout = MS_TO_NS(100); |
6f6c625d | 1210 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
1211 | rc->s_tx_mask = mceusb_set_tx_mask; |
1212 | rc->s_tx_carrier = mceusb_set_tx_carrier; | |
1213 | rc->tx_ir = mceusb_tx_ir; | |
6f6c625d | 1214 | } |
d8b4b582 DH |
1215 | rc->driver_name = DRIVER_NAME; |
1216 | rc->map_name = mceusb_model[ir->model].rc_map ? | |
1217 | mceusb_model[ir->model].rc_map : RC_MAP_RC6_MCE; | |
66e89522 | 1218 | |
d8b4b582 | 1219 | ret = rc_register_device(rc); |
66e89522 | 1220 | if (ret < 0) { |
d8b4b582 DH |
1221 | dev_err(dev, "remote dev registration failed\n"); |
1222 | goto out; | |
66e89522 JW |
1223 | } |
1224 | ||
d8b4b582 | 1225 | return rc; |
66e89522 | 1226 | |
d8b4b582 DH |
1227 | out: |
1228 | rc_free_device(rc); | |
66e89522 JW |
1229 | return NULL; |
1230 | } | |
1231 | ||
1232 | static int __devinit mceusb_dev_probe(struct usb_interface *intf, | |
1233 | const struct usb_device_id *id) | |
1234 | { | |
1235 | struct usb_device *dev = interface_to_usbdev(intf); | |
1236 | struct usb_host_interface *idesc; | |
1237 | struct usb_endpoint_descriptor *ep = NULL; | |
1238 | struct usb_endpoint_descriptor *ep_in = NULL; | |
1239 | struct usb_endpoint_descriptor *ep_out = NULL; | |
66e89522 | 1240 | struct mceusb_dev *ir = NULL; |
d732a72d | 1241 | int pipe, maxp, i; |
66e89522 | 1242 | char buf[63], name[128] = ""; |
37dbd3a6 | 1243 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1244 | bool is_gen3; |
1245 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1246 | bool tx_mask_normal; |
a6994eb0 | 1247 | int ir_intfnum; |
66e89522 | 1248 | |
5ae8f9a3 | 1249 | mce_dbg(&intf->dev, "%s called\n", __func__); |
66e89522 | 1250 | |
66e89522 JW |
1251 | idesc = intf->cur_altsetting; |
1252 | ||
37dbd3a6 MCC |
1253 | is_gen3 = mceusb_model[model].mce_gen3; |
1254 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1255 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1256 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1257 | |
a6994eb0 JW |
1258 | /* There are multi-function devices with non-IR interfaces */ |
1259 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1260 | return -ENODEV; | |
66e89522 JW |
1261 | |
1262 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1263 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1264 | ep = &idesc->endpoint[i].desc; | |
1265 | ||
1266 | if ((ep_in == NULL) | |
1267 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1268 | == USB_DIR_IN) | |
1269 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1270 | == USB_ENDPOINT_XFER_BULK) | |
1271 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1272 | == USB_ENDPOINT_XFER_INT))) { | |
1273 | ||
66e89522 JW |
1274 | ep_in = ep; |
1275 | ep_in->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1276 | ep_in->bInterval = 1; |
5ae8f9a3 | 1277 | mce_dbg(&intf->dev, "acceptable inbound endpoint " |
d732a72d | 1278 | "found\n"); |
66e89522 JW |
1279 | } |
1280 | ||
1281 | if ((ep_out == NULL) | |
1282 | && ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1283 | == USB_DIR_OUT) | |
1284 | && (((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1285 | == USB_ENDPOINT_XFER_BULK) | |
1286 | || ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1287 | == USB_ENDPOINT_XFER_INT))) { | |
1288 | ||
66e89522 JW |
1289 | ep_out = ep; |
1290 | ep_out->bmAttributes = USB_ENDPOINT_XFER_INT; | |
d732a72d | 1291 | ep_out->bInterval = 1; |
5ae8f9a3 | 1292 | mce_dbg(&intf->dev, "acceptable outbound endpoint " |
d732a72d | 1293 | "found\n"); |
66e89522 JW |
1294 | } |
1295 | } | |
1296 | if (ep_in == NULL) { | |
5ae8f9a3 | 1297 | mce_dbg(&intf->dev, "inbound and/or endpoint not found\n"); |
66e89522 JW |
1298 | return -ENODEV; |
1299 | } | |
1300 | ||
1301 | pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress); | |
1302 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | |
1303 | ||
1304 | ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL); | |
1305 | if (!ir) | |
1306 | goto mem_alloc_fail; | |
1307 | ||
1308 | ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in); | |
1309 | if (!ir->buf_in) | |
1310 | goto buf_in_alloc_fail; | |
1311 | ||
1312 | ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); | |
1313 | if (!ir->urb_in) | |
1314 | goto urb_in_alloc_fail; | |
1315 | ||
1316 | ir->usbdev = dev; | |
1317 | ir->dev = &intf->dev; | |
1318 | ir->len_in = maxp; | |
66e89522 | 1319 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1320 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1321 | ir->flags.no_tx = mceusb_model[model].no_tx; |
37dbd3a6 MCC |
1322 | ir->model = model; |
1323 | ||
66e89522 | 1324 | /* Saving usb interface data for use by the transmitter routine */ |
66e89522 JW |
1325 | ir->usb_ep_out = ep_out; |
1326 | ||
1327 | if (dev->descriptor.iManufacturer | |
1328 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1329 | buf, sizeof(buf)) > 0) | |
1330 | strlcpy(name, buf, sizeof(name)); | |
1331 | if (dev->descriptor.iProduct | |
1332 | && usb_string(dev, dev->descriptor.iProduct, | |
1333 | buf, sizeof(buf)) > 0) | |
1334 | snprintf(name + strlen(name), sizeof(name) - strlen(name), | |
1335 | " %s", buf); | |
1336 | ||
d8b4b582 DH |
1337 | ir->rc = mceusb_init_rc_dev(ir); |
1338 | if (!ir->rc) | |
1339 | goto rc_dev_fail; | |
66e89522 | 1340 | |
b48592e4 | 1341 | /* wire up inbound data handler */ |
6ac454aa SY |
1342 | usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp, |
1343 | mceusb_dev_recv, ir, ep_in->bInterval); | |
66e89522 JW |
1344 | ir->urb_in->transfer_dma = ir->dma_in; |
1345 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1346 | ||
3a918aa6 JW |
1347 | /* flush buffers on the device */ |
1348 | mce_dbg(&intf->dev, "Flushing receive buffers\n"); | |
1349 | mce_flush_rx_buffer(ir, maxp); | |
1350 | ||
ab1072eb JW |
1351 | /* figure out which firmware/emulator version this hardware has */ |
1352 | mceusb_get_emulator_version(ir); | |
1353 | ||
66e89522 | 1354 | /* initialize device */ |
22b0766b | 1355 | if (ir->flags.microsoft_gen1) |
66e89522 | 1356 | mceusb_gen1_init(ir); |
22b0766b | 1357 | else if (!is_gen3) |
66e89522 JW |
1358 | mceusb_gen2_init(ir); |
1359 | ||
22b0766b | 1360 | mceusb_get_parameters(ir); |
66e89522 | 1361 | |
b71969be JW |
1362 | mceusb_flash_led(ir); |
1363 | ||
6f6c625d | 1364 | if (!ir->flags.no_tx) |
d8b4b582 | 1365 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1366 | |
1367 | usb_set_intfdata(intf, ir); | |
1368 | ||
fa334898 JW |
1369 | /* enable wake via this device */ |
1370 | device_set_wakeup_capable(ir->dev, true); | |
1371 | device_set_wakeup_enable(ir->dev, true); | |
1372 | ||
ab1072eb JW |
1373 | dev_info(&intf->dev, "Registered %s with mce emulator interface " |
1374 | "version %x\n", name, ir->emver); | |
a411e839 JW |
1375 | dev_info(&intf->dev, "%x tx ports (0x%x cabled) and " |
1376 | "%x rx sensors (0x%x active)\n", | |
1377 | ir->num_txports, ir->txports_cabled, | |
1378 | ir->num_rxports, ir->rxports_active); | |
66e89522 JW |
1379 | |
1380 | return 0; | |
1381 | ||
1382 | /* Error-handling path */ | |
d8b4b582 | 1383 | rc_dev_fail: |
66e89522 JW |
1384 | usb_free_urb(ir->urb_in); |
1385 | urb_in_alloc_fail: | |
1386 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1387 | buf_in_alloc_fail: | |
1388 | kfree(ir); | |
1389 | mem_alloc_fail: | |
1390 | dev_err(&intf->dev, "%s: device setup failed!\n", __func__); | |
1391 | ||
1392 | return -ENOMEM; | |
1393 | } | |
1394 | ||
1395 | ||
1396 | static void __devexit mceusb_dev_disconnect(struct usb_interface *intf) | |
1397 | { | |
1398 | struct usb_device *dev = interface_to_usbdev(intf); | |
1399 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1400 | ||
1401 | usb_set_intfdata(intf, NULL); | |
1402 | ||
1403 | if (!ir) | |
1404 | return; | |
1405 | ||
1406 | ir->usbdev = NULL; | |
d8b4b582 | 1407 | rc_unregister_device(ir->rc); |
66e89522 JW |
1408 | usb_kill_urb(ir->urb_in); |
1409 | usb_free_urb(ir->urb_in); | |
1410 | usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in); | |
1411 | ||
1412 | kfree(ir); | |
1413 | } | |
1414 | ||
1415 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1416 | { | |
1417 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1418 | dev_info(ir->dev, "suspend\n"); | |
1419 | usb_kill_urb(ir->urb_in); | |
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1424 | { | |
1425 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
1426 | dev_info(ir->dev, "resume\n"); | |
1427 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) | |
1428 | return -EIO; | |
1429 | return 0; | |
1430 | } | |
1431 | ||
1432 | static struct usb_driver mceusb_dev_driver = { | |
1433 | .name = DRIVER_NAME, | |
1434 | .probe = mceusb_dev_probe, | |
cd624c7b | 1435 | .disconnect = __devexit_p(mceusb_dev_disconnect), |
66e89522 JW |
1436 | .suspend = mceusb_dev_suspend, |
1437 | .resume = mceusb_dev_resume, | |
1438 | .reset_resume = mceusb_dev_resume, | |
1439 | .id_table = mceusb_dev_table | |
1440 | }; | |
1441 | ||
ecb3b2b3 | 1442 | module_usb_driver(mceusb_dev_driver); |
66e89522 JW |
1443 | |
1444 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1445 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1446 | MODULE_LICENSE("GPL"); | |
1447 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); | |
1448 | ||
1449 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
1450 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |