2 * Driver for USB Windows Media Center Ed. eHome Infrared Transceivers
4 * Copyright (c) 2010-2011, Jarod Wilson <jarod@redhat.com>
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.
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
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.
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.
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
40 #include <linux/device.h>
41 #include <linux/module.h>
42 #include <linux/slab.h>
43 #include <linux/usb.h>
44 #include <linux/usb/input.h>
45 #include <linux/pm_wakeup.h>
46 #include <media/rc-core.h>
48 #define DRIVER_VERSION "1.92"
49 #define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>"
50 #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \
52 #define DRIVER_NAME "mceusb"
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 */
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_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */
66 #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */
67 #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */
68 #define MCE_PULSE_MASK 0x7f /* Pulse mask */
69 #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */
72 * The interface between the host and the IR hardware is command-response
73 * based. All commands and responses have a consistent format, where a lead
74 * byte always identifies the type of data following it. The lead byte has
75 * a port value in the 3 highest bits and a length value in the 5 lowest
78 * The length field is overloaded, with a value of 11111 indicating that the
79 * following byte is a command or response code, and the length of the entire
80 * message is determined by the code. If the length field is not 11111, then
81 * it specifies the number of bytes of port data that follow.
84 #define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */
85 #define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */
86 #define MCE_PORT_SER 0x6 /* 0xc0 thru 0xdf flush & 0x1f bytes */
87 #define MCE_PORT_MASK 0xe0 /* Mask out command bits */
89 /* Command port headers */
90 #define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */
91 #define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */
93 /* Commands that set device state (2-4 bytes in length) */
94 #define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */
95 #define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */
96 #define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */
97 #define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */
98 #define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */
99 #define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */
100 #define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */
102 /* Commands that query device state (all 2 bytes, unless noted) */
103 #define MCE_CMD_GETIRCFS 0x07 /* Get carrier */
104 #define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */
105 #define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */
106 #define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */
107 #define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */
108 #define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */
109 #define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */
110 #define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */
111 #define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */
112 #define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */
113 #define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */
116 #define MCE_CMD_NOP 0xff /* No operation */
118 /* Responses to commands (non-error cases) */
119 #define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */
120 #define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */
121 #define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */
122 #define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */
123 #define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */
124 #define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */
125 #define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */
126 #define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */
127 #define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */
128 #define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */
129 #define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */
130 #define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */
131 #define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */
133 /* Responses to error cases, must send MCE_CMD_RESUME to clear them */
134 #define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */
135 #define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */
137 /* Misc commands/responses not defined in the MCE remote/transceiver spec */
138 #define MCE_CMD_SIG_END 0x01 /* End of signal */
139 #define MCE_CMD_PING 0x03 /* Ping device */
140 #define MCE_CMD_UNKNOWN 0x04 /* Unknown */
141 #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */
142 #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */
143 #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */
144 #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */
145 #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */
146 #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */
147 #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */
148 #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */
149 #define MCE_CMD_NULL 0x00 /* These show up various places... */
151 /* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR,
152 * then we're looking at a raw IR data sample */
153 #define MCE_COMMAND_IRDATA 0x80
154 #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */
156 /* general constants */
157 #define SEND_FLAG_IN_PROGRESS 1
158 #define SEND_FLAG_COMPLETE 2
159 #define RECV_FLAG_IN_PROGRESS 3
160 #define RECV_FLAG_COMPLETE 4
165 #define VENDOR_PHILIPS 0x0471
166 #define VENDOR_SMK 0x0609
167 #define VENDOR_TATUNG 0x1460
168 #define VENDOR_GATEWAY 0x107b
169 #define VENDOR_SHUTTLE 0x1308
170 #define VENDOR_SHUTTLE2 0x051c
171 #define VENDOR_MITSUMI 0x03ee
172 #define VENDOR_TOPSEED 0x1784
173 #define VENDOR_RICAVISION 0x179d
174 #define VENDOR_ITRON 0x195d
175 #define VENDOR_FIC 0x1509
176 #define VENDOR_LG 0x043e
177 #define VENDOR_MICROSOFT 0x045e
178 #define VENDOR_FORMOSA 0x147a
179 #define VENDOR_FINTEK 0x1934
180 #define VENDOR_PINNACLE 0x2304
181 #define VENDOR_ECS 0x1019
182 #define VENDOR_WISTRON 0x0fb8
183 #define VENDOR_COMPRO 0x185b
184 #define VENDOR_NORTHSTAR 0x04eb
185 #define VENDOR_REALTEK 0x0bda
186 #define VENDOR_TIVO 0x105a
187 #define VENDOR_CONEXANT 0x0572
188 #define VENDOR_TWISTEDMELON 0x2596
189 #define VENDOR_HAUPPAUGE 0x2040
190 #define VENDOR_PCTV 0x2013
192 enum mceusb_model_type
{
193 MCE_GEN2
= 0, /* Most boards */
202 HAUPPAUGE_CX_HYBRID_TV
,
205 struct mceusb_model
{
209 u32 tx_mask_normal
:1;
214 const char *rc_map
; /* Allow specify a per-board map */
215 const char *name
; /* per-board name */
218 static const struct mceusb_model mceusb_model
[] = {
230 [MCE_GEN2_TX_INV
] = {
240 * In fact, the EVK is shipped without
241 * remotes, but we should have something handy,
242 * to allow testing it
244 .name
= "Conexant Hybrid TV (cx231xx) MCE IR",
247 .no_tx
= 1, /* tx isn't wired up at all */
248 .name
= "Conexant Hybrid TV (cx231xx) MCE IR",
250 [HAUPPAUGE_CX_HYBRID_TV
] = {
251 .no_tx
= 1, /* eeprom says it has no tx */
252 .name
= "Conexant Hybrid TV (cx231xx) MCE IR no TX",
260 .rc_map
= RC_MAP_TIVO
,
264 static struct usb_device_id mceusb_dev_table
[] = {
265 /* Original Microsoft MCE IR Transceiver (often HP-branded) */
266 { USB_DEVICE(VENDOR_MICROSOFT
, 0x006d),
267 .driver_info
= MCE_GEN1
},
268 /* Philips Infrared Transceiver - Sahara branded */
269 { USB_DEVICE(VENDOR_PHILIPS
, 0x0608) },
270 /* Philips Infrared Transceiver - HP branded */
271 { USB_DEVICE(VENDOR_PHILIPS
, 0x060c),
272 .driver_info
= MCE_GEN2_TX_INV
},
273 /* Philips SRM5100 */
274 { USB_DEVICE(VENDOR_PHILIPS
, 0x060d) },
275 /* Philips Infrared Transceiver - Omaura */
276 { USB_DEVICE(VENDOR_PHILIPS
, 0x060f) },
277 /* Philips Infrared Transceiver - Spinel plus */
278 { USB_DEVICE(VENDOR_PHILIPS
, 0x0613) },
279 /* Philips eHome Infrared Transceiver */
280 { USB_DEVICE(VENDOR_PHILIPS
, 0x0815) },
281 /* Philips/Spinel plus IR transceiver for ASUS */
282 { USB_DEVICE(VENDOR_PHILIPS
, 0x206c) },
283 /* Philips/Spinel plus IR transceiver for ASUS */
284 { USB_DEVICE(VENDOR_PHILIPS
, 0x2088) },
285 /* Philips IR transceiver (Dell branded) */
286 { USB_DEVICE(VENDOR_PHILIPS
, 0x2093),
287 .driver_info
= MCE_GEN2_TX_INV
},
288 /* Realtek MCE IR Receiver and card reader */
289 { USB_DEVICE(VENDOR_REALTEK
, 0x0161),
290 .driver_info
= MULTIFUNCTION
},
291 /* SMK/Toshiba G83C0004D410 */
292 { USB_DEVICE(VENDOR_SMK
, 0x031d),
293 .driver_info
= MCE_GEN2_TX_INV
},
294 /* SMK eHome Infrared Transceiver (Sony VAIO) */
295 { USB_DEVICE(VENDOR_SMK
, 0x0322),
296 .driver_info
= MCE_GEN2_TX_INV
},
297 /* bundled with Hauppauge PVR-150 */
298 { USB_DEVICE(VENDOR_SMK
, 0x0334),
299 .driver_info
= MCE_GEN2_TX_INV
},
300 /* SMK eHome Infrared Transceiver */
301 { USB_DEVICE(VENDOR_SMK
, 0x0338) },
302 /* SMK/I-O Data GV-MC7/RCKIT Receiver */
303 { USB_DEVICE(VENDOR_SMK
, 0x0353),
304 .driver_info
= MCE_GEN2_NO_TX
},
305 /* Tatung eHome Infrared Transceiver */
306 { USB_DEVICE(VENDOR_TATUNG
, 0x9150) },
307 /* Shuttle eHome Infrared Transceiver */
308 { USB_DEVICE(VENDOR_SHUTTLE
, 0xc001) },
309 /* Shuttle eHome Infrared Transceiver */
310 { USB_DEVICE(VENDOR_SHUTTLE2
, 0xc001) },
311 /* Gateway eHome Infrared Transceiver */
312 { USB_DEVICE(VENDOR_GATEWAY
, 0x3009) },
314 { USB_DEVICE(VENDOR_MITSUMI
, 0x2501) },
315 /* Topseed eHome Infrared Transceiver */
316 { USB_DEVICE(VENDOR_TOPSEED
, 0x0001),
317 .driver_info
= MCE_GEN2_TX_INV
},
318 /* Topseed HP eHome Infrared Transceiver */
319 { USB_DEVICE(VENDOR_TOPSEED
, 0x0006),
320 .driver_info
= MCE_GEN2_TX_INV
},
321 /* Topseed eHome Infrared Transceiver */
322 { USB_DEVICE(VENDOR_TOPSEED
, 0x0007),
323 .driver_info
= MCE_GEN2_TX_INV
},
324 /* Topseed eHome Infrared Transceiver */
325 { USB_DEVICE(VENDOR_TOPSEED
, 0x0008),
326 .driver_info
= MCE_GEN3
},
327 /* Topseed eHome Infrared Transceiver */
328 { USB_DEVICE(VENDOR_TOPSEED
, 0x000a),
329 .driver_info
= MCE_GEN2_TX_INV
},
330 /* Topseed eHome Infrared Transceiver */
331 { USB_DEVICE(VENDOR_TOPSEED
, 0x0011),
332 .driver_info
= MCE_GEN3
},
333 /* Ricavision internal Infrared Transceiver */
334 { USB_DEVICE(VENDOR_RICAVISION
, 0x0010) },
335 /* Itron ione Libra Q-11 */
336 { USB_DEVICE(VENDOR_ITRON
, 0x7002) },
337 /* FIC eHome Infrared Transceiver */
338 { USB_DEVICE(VENDOR_FIC
, 0x9242) },
339 /* LG eHome Infrared Transceiver */
340 { USB_DEVICE(VENDOR_LG
, 0x9803) },
341 /* Microsoft MCE Infrared Transceiver */
342 { USB_DEVICE(VENDOR_MICROSOFT
, 0x00a0) },
343 /* Formosa eHome Infrared Transceiver */
344 { USB_DEVICE(VENDOR_FORMOSA
, 0xe015) },
345 /* Formosa21 / eHome Infrared Receiver */
346 { USB_DEVICE(VENDOR_FORMOSA
, 0xe016) },
347 /* Formosa aim / Trust MCE Infrared Receiver */
348 { USB_DEVICE(VENDOR_FORMOSA
, 0xe017),
349 .driver_info
= MCE_GEN2_NO_TX
},
350 /* Formosa Industrial Computing / Beanbag Emulation Device */
351 { USB_DEVICE(VENDOR_FORMOSA
, 0xe018) },
352 /* Formosa21 / eHome Infrared Receiver */
353 { USB_DEVICE(VENDOR_FORMOSA
, 0xe03a) },
354 /* Formosa Industrial Computing AIM IR605/A */
355 { USB_DEVICE(VENDOR_FORMOSA
, 0xe03c) },
356 /* Formosa Industrial Computing */
357 { USB_DEVICE(VENDOR_FORMOSA
, 0xe03e) },
358 /* Formosa Industrial Computing */
359 { USB_DEVICE(VENDOR_FORMOSA
, 0xe042) },
360 /* Fintek eHome Infrared Transceiver (HP branded) */
361 { USB_DEVICE(VENDOR_FINTEK
, 0x5168),
362 .driver_info
= MCE_GEN2_TX_INV
},
363 /* Fintek eHome Infrared Transceiver */
364 { USB_DEVICE(VENDOR_FINTEK
, 0x0602) },
365 /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */
366 { USB_DEVICE(VENDOR_FINTEK
, 0x0702) },
367 /* Pinnacle Remote Kit */
368 { USB_DEVICE(VENDOR_PINNACLE
, 0x0225),
369 .driver_info
= MCE_GEN3
},
370 /* Elitegroup Computer Systems IR */
371 { USB_DEVICE(VENDOR_ECS
, 0x0f38) },
372 /* Wistron Corp. eHome Infrared Receiver */
373 { USB_DEVICE(VENDOR_WISTRON
, 0x0002) },
375 { USB_DEVICE(VENDOR_COMPRO
, 0x3020) },
377 { USB_DEVICE(VENDOR_COMPRO
, 0x3082) },
378 /* Northstar Systems, Inc. eHome Infrared Transceiver */
379 { USB_DEVICE(VENDOR_NORTHSTAR
, 0xe004) },
380 /* TiVo PC IR Receiver */
381 { USB_DEVICE(VENDOR_TIVO
, 0x2000),
382 .driver_info
= TIVO_KIT
},
383 /* Conexant Hybrid TV "Shelby" Polaris SDK */
384 { USB_DEVICE(VENDOR_CONEXANT
, 0x58a1),
385 .driver_info
= POLARIS_EVK
},
386 /* Conexant Hybrid TV RDU253S Polaris */
387 { USB_DEVICE(VENDOR_CONEXANT
, 0x58a5),
388 .driver_info
= CX_HYBRID_TV
},
389 /* Twisted Melon Inc. - Manta Mini Receiver */
390 { USB_DEVICE(VENDOR_TWISTEDMELON
, 0x8008) },
391 /* Twisted Melon Inc. - Manta Pico Receiver */
392 { USB_DEVICE(VENDOR_TWISTEDMELON
, 0x8016) },
393 /* Twisted Melon Inc. - Manta Transceiver */
394 { USB_DEVICE(VENDOR_TWISTEDMELON
, 0x8042) },
395 /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */
396 { USB_DEVICE(VENDOR_HAUPPAUGE
, 0xb130),
397 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
398 { USB_DEVICE(VENDOR_HAUPPAUGE
, 0xb131),
399 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
400 { USB_DEVICE(VENDOR_HAUPPAUGE
, 0xb138),
401 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
402 { USB_DEVICE(VENDOR_HAUPPAUGE
, 0xb139),
403 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
404 { USB_DEVICE(VENDOR_PCTV
, 0x0259),
405 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
406 { USB_DEVICE(VENDOR_PCTV
, 0x025e),
407 .driver_info
= HAUPPAUGE_CX_HYBRID_TV
},
409 /* Terminating entry */
413 /* data structure for each usb transceiver */
418 /* optional features we can enable */
419 bool carrier_report_enabled
;
420 bool learning_enabled
;
422 /* core device bits */
426 struct usb_device
*usbdev
;
428 struct usb_endpoint_descriptor
*usb_ep_out
;
430 /* buffers and dma */
431 unsigned char *buf_in
;
442 u8 cmd
, rem
; /* Remaining IR data bytes in packet */
446 u32 tx_mask_normal
:1;
447 u32 microsoft_gen1
:1;
451 /* transmit support */
454 unsigned char tx_mask
;
458 enum mceusb_model_type model
;
460 bool need_reset
; /* flag to issue a device resume cmd */
461 u8 emver
; /* emulator interface version */
462 u8 num_txports
; /* number of transmit ports */
463 u8 num_rxports
; /* number of receive sensors */
464 u8 txports_cabled
; /* bitmask of transmitters with cable */
465 u8 rxports_active
; /* bitmask of active receive sensors */
468 /* MCE Device Command Strings, generally a port and command pair */
469 static char DEVICE_RESUME
[] = {MCE_CMD_NULL
, MCE_CMD_PORT_SYS
,
471 static char GET_REVISION
[] = {MCE_CMD_PORT_SYS
, MCE_CMD_G_REVISION
};
472 static char GET_EMVER
[] = {MCE_CMD_PORT_SYS
, MCE_CMD_GETEMVER
};
473 static char GET_WAKEVERSION
[] = {MCE_CMD_PORT_SYS
, MCE_CMD_GETWAKEVERSION
};
474 static char FLASH_LED
[] = {MCE_CMD_PORT_SYS
, MCE_CMD_FLASHLED
};
475 static char GET_UNKNOWN2
[] = {MCE_CMD_PORT_IR
, MCE_CMD_UNKNOWN2
};
476 static char GET_CARRIER_FREQ
[] = {MCE_CMD_PORT_IR
, MCE_CMD_GETIRCFS
};
477 static char GET_RX_TIMEOUT
[] = {MCE_CMD_PORT_IR
, MCE_CMD_GETIRTIMEOUT
};
478 static char GET_NUM_PORTS
[] = {MCE_CMD_PORT_IR
, MCE_CMD_GETIRNUMPORTS
};
479 static char GET_TX_BITMASK
[] = {MCE_CMD_PORT_IR
, MCE_CMD_GETIRTXPORTS
};
480 static char GET_RX_SENSOR
[] = {MCE_CMD_PORT_IR
, MCE_CMD_GETIRRXPORTEN
};
481 /* sub in desired values in lower byte or bytes for full command */
482 /* FIXME: make use of these for transmit.
483 static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR,
484 MCE_CMD_SETIRCFS, 0x00, 0x00};
485 static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00};
486 static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR,
487 MCE_CMD_SETIRTIMEOUT, 0x00, 0x00};
488 static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR,
489 MCE_RSP_EQIRRXPORTEN, 0x00};
492 static int mceusb_cmd_datasize(u8 cmd
, u8 subcmd
)
498 if (subcmd
== MCE_CMD_PORT_SYS
)
501 case MCE_CMD_PORT_SYS
:
503 case MCE_RSP_GETPORTSTATUS
:
506 case MCE_RSP_EQWAKEVERSION
:
509 case MCE_CMD_G_REVISION
:
512 case MCE_RSP_EQWAKESUPPORT
:
513 case MCE_RSP_GETWAKESOURCE
:
514 case MCE_RSP_EQDEVDETAILS
:
515 case MCE_RSP_EQEMVER
:
519 case MCE_CMD_PORT_IR
:
521 case MCE_CMD_UNKNOWN
:
522 case MCE_RSP_EQIRCFS
:
523 case MCE_RSP_EQIRTIMEOUT
:
524 case MCE_RSP_EQIRRXCFCNT
:
525 case MCE_RSP_EQIRNUMPORTS
:
528 case MCE_CMD_SIG_END
:
529 case MCE_RSP_EQIRTXPORTS
:
530 case MCE_RSP_EQIRRXPORTEN
:
538 static void mceusb_dev_printdata(struct mceusb_dev
*ir
, char *buf
,
539 int offset
, int len
, bool out
)
541 #if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
543 u8 cmd
, subcmd
, data1
, data2
, data3
, data4
;
544 struct device
*dev
= ir
->dev
;
548 /* skip meaningless 0xb1 0x60 header bytes on orig receiver */
549 if (ir
->flags
.microsoft_gen1
&& !out
&& !offset
)
555 dev_dbg(dev
, "%cx data: %*ph (length=%d)",
556 (out
? 't' : 'r'), min(len
, USB_BUFLEN
), buf
, len
);
558 inout
= out
? "Request" : "Got";
560 start
= offset
+ skip
;
561 cmd
= buf
[start
] & 0xff;
562 subcmd
= buf
[start
+ 1] & 0xff;
563 data1
= buf
[start
+ 2] & 0xff;
564 data2
= buf
[start
+ 3] & 0xff;
565 data3
= buf
[start
+ 4] & 0xff;
566 data4
= buf
[start
+ 5] & 0xff;
570 if (subcmd
== MCE_CMD_NULL
)
572 if ((subcmd
== MCE_CMD_PORT_SYS
) &&
573 (data1
== MCE_CMD_RESUME
))
574 dev_dbg(dev
, "Device resume requested");
576 dev_dbg(dev
, "Unknown command 0x%02x 0x%02x",
579 case MCE_CMD_PORT_SYS
:
581 case MCE_RSP_EQEMVER
:
583 dev_dbg(dev
, "Emulator interface version %x",
586 case MCE_CMD_G_REVISION
:
588 dev_dbg(dev
, "Get hw/sw rev?");
590 dev_dbg(dev
, "hw/sw rev %*ph",
594 dev_dbg(dev
, "Device resume requested");
596 case MCE_RSP_CMD_ILLEGAL
:
597 dev_dbg(dev
, "Illegal PORT_SYS command");
599 case MCE_RSP_EQWAKEVERSION
:
601 dev_dbg(dev
, "Wake version, proto: 0x%02x, "
602 "payload: 0x%02x, address: 0x%02x, "
604 data1
, data2
, data3
, data4
);
606 case MCE_RSP_GETPORTSTATUS
:
608 /* We use data1 + 1 here, to match hw labels */
609 dev_dbg(dev
, "TX port %d: blaster is%s connected",
610 data1
+ 1, data4
? " not" : "");
612 case MCE_CMD_FLASHLED
:
613 dev_dbg(dev
, "Attempting to flash LED");
616 dev_dbg(dev
, "Unknown command 0x%02x 0x%02x",
621 case MCE_CMD_PORT_IR
:
623 case MCE_CMD_SIG_END
:
624 dev_dbg(dev
, "End of signal");
627 dev_dbg(dev
, "Ping");
629 case MCE_CMD_UNKNOWN
:
630 dev_dbg(dev
, "Resp to 9f 05 of 0x%02x 0x%02x",
633 case MCE_RSP_EQIRCFS
:
634 period
= DIV_ROUND_CLOSEST(
635 (1U << data1
* 2) * (data2
+ 1), 10);
638 carrier
= (1000 * 1000) / period
;
639 dev_dbg(dev
, "%s carrier of %u Hz (period %uus)",
640 inout
, carrier
, period
);
642 case MCE_CMD_GETIRCFS
:
643 dev_dbg(dev
, "Get carrier mode and freq");
645 case MCE_RSP_EQIRTXPORTS
:
646 dev_dbg(dev
, "%s transmit blaster mask of 0x%02x",
649 case MCE_RSP_EQIRTIMEOUT
:
650 /* value is in units of 50us, so x*50/1000 ms */
651 period
= ((data1
<< 8) | data2
) * MCE_TIME_UNIT
/ 1000;
652 dev_dbg(dev
, "%s receive timeout of %d ms",
655 case MCE_CMD_GETIRTIMEOUT
:
656 dev_dbg(dev
, "Get receive timeout");
658 case MCE_CMD_GETIRTXPORTS
:
659 dev_dbg(dev
, "Get transmit blaster mask");
661 case MCE_RSP_EQIRRXPORTEN
:
662 dev_dbg(dev
, "%s %s-range receive sensor in use",
663 inout
, data1
== 0x02 ? "short" : "long");
665 case MCE_CMD_GETIRRXPORTEN
:
666 /* aka MCE_RSP_EQIRRXCFCNT */
668 dev_dbg(dev
, "Get receive sensor");
669 else if (ir
->learning_enabled
)
670 dev_dbg(dev
, "RX pulse count: %d",
671 ((data1
<< 8) | data2
));
673 case MCE_RSP_EQIRNUMPORTS
:
676 dev_dbg(dev
, "Num TX ports: %x, num RX ports: %x",
679 case MCE_RSP_CMD_ILLEGAL
:
680 dev_dbg(dev
, "Illegal PORT_IR command");
683 dev_dbg(dev
, "Unknown command 0x%02x 0x%02x",
692 if (cmd
== MCE_IRDATA_TRAILER
)
693 dev_dbg(dev
, "End of raw IR data");
694 else if ((cmd
!= MCE_CMD_PORT_IR
) &&
695 ((cmd
& MCE_PORT_MASK
) == MCE_COMMAND_IRDATA
))
696 dev_dbg(dev
, "Raw IR data, %d pulse/space samples", ir
->rem
);
700 static void mce_async_callback(struct urb
*urb
)
702 struct mceusb_dev
*ir
;
710 switch (urb
->status
) {
713 len
= urb
->actual_length
;
715 mceusb_dev_printdata(ir
, urb
->transfer_buffer
, 0, len
, true);
726 dev_err(ir
->dev
, "Error: request urb status = %d", urb
->status
);
730 /* the transfer buffer and urb were allocated in mce_request_packet */
731 kfree(urb
->transfer_buffer
);
735 /* request incoming or send outgoing usb packet - used to initialize remote */
736 static void mce_request_packet(struct mceusb_dev
*ir
, unsigned char *data
,
737 int size
, int urb_type
)
740 struct urb
*async_urb
;
741 struct device
*dev
= ir
->dev
;
742 unsigned char *async_buf
;
744 if (urb_type
== MCEUSB_TX
) {
745 async_urb
= usb_alloc_urb(0, GFP_KERNEL
);
746 if (unlikely(!async_urb
)) {
747 dev_err(dev
, "Error, couldn't allocate urb!\n");
751 async_buf
= kzalloc(size
, GFP_KERNEL
);
753 dev_err(dev
, "Error, couldn't allocate buf!\n");
754 usb_free_urb(async_urb
);
759 if (usb_endpoint_xfer_int(ir
->usb_ep_out
)) {
760 pipe
= usb_sndintpipe(ir
->usbdev
,
761 ir
->usb_ep_out
->bEndpointAddress
);
762 usb_fill_int_urb(async_urb
, ir
->usbdev
, pipe
, async_buf
,
763 size
, mce_async_callback
, ir
,
764 ir
->usb_ep_out
->bInterval
);
766 pipe
= usb_sndbulkpipe(ir
->usbdev
,
767 ir
->usb_ep_out
->bEndpointAddress
);
768 usb_fill_bulk_urb(async_urb
, ir
->usbdev
, pipe
,
769 async_buf
, size
, mce_async_callback
,
772 memcpy(async_buf
, data
, size
);
774 } else if (urb_type
== MCEUSB_RX
) {
775 /* standard request */
776 async_urb
= ir
->urb_in
;
777 ir
->send_flags
= RECV_FLAG_IN_PROGRESS
;
780 dev_err(dev
, "Error! Unknown urb type %d\n", urb_type
);
784 dev_dbg(dev
, "receive request called (size=%#x)", size
);
786 async_urb
->transfer_buffer_length
= size
;
787 async_urb
->dev
= ir
->usbdev
;
789 res
= usb_submit_urb(async_urb
, GFP_ATOMIC
);
791 dev_err(dev
, "receive request FAILED! (res=%d)", res
);
794 dev_dbg(dev
, "receive request complete (res=%d)", res
);
797 static void mce_async_out(struct mceusb_dev
*ir
, unsigned char *data
, int size
)
799 int rsize
= sizeof(DEVICE_RESUME
);
801 if (ir
->need_reset
) {
802 ir
->need_reset
= false;
803 mce_request_packet(ir
, DEVICE_RESUME
, rsize
, MCEUSB_TX
);
807 mce_request_packet(ir
, data
, size
, MCEUSB_TX
);
811 static void mce_flush_rx_buffer(struct mceusb_dev
*ir
, int size
)
813 mce_request_packet(ir
, NULL
, size
, MCEUSB_RX
);
816 /* Send data out the IR blaster port(s) */
817 static int mceusb_tx_ir(struct rc_dev
*dev
, unsigned *txbuf
, unsigned count
)
819 struct mceusb_dev
*ir
= dev
->priv
;
820 int i
, length
, ret
= 0;
822 unsigned char cmdbuf
[MCE_CMDBUF_SIZE
];
824 /* MCE tx init header */
825 cmdbuf
[cmdcount
++] = MCE_CMD_PORT_IR
;
826 cmdbuf
[cmdcount
++] = MCE_CMD_SETIRTXPORTS
;
827 cmdbuf
[cmdcount
++] = ir
->tx_mask
;
829 /* Send the set TX ports command */
830 mce_async_out(ir
, cmdbuf
, cmdcount
);
833 /* Generate mce packet data */
834 for (i
= 0; (i
< count
) && (cmdcount
< MCE_CMDBUF_SIZE
); i
++) {
835 txbuf
[i
] = txbuf
[i
] / MCE_TIME_UNIT
;
837 do { /* loop to support long pulses/spaces > 127*50us=6.35ms */
839 /* Insert mce packet header every 4th entry */
840 if ((cmdcount
< MCE_CMDBUF_SIZE
) &&
841 (cmdcount
% MCE_CODE_LENGTH
) == 0)
842 cmdbuf
[cmdcount
++] = MCE_IRDATA_HEADER
;
844 /* Insert mce packet data */
845 if (cmdcount
< MCE_CMDBUF_SIZE
)
847 (txbuf
[i
] < MCE_PULSE_BIT
?
848 txbuf
[i
] : MCE_MAX_PULSE_LENGTH
) |
849 (i
& 1 ? 0x00 : MCE_PULSE_BIT
);
855 } while ((txbuf
[i
] > MCE_MAX_PULSE_LENGTH
) &&
856 (txbuf
[i
] -= MCE_MAX_PULSE_LENGTH
));
859 /* Check if we have room for the empty packet at the end */
860 if (cmdcount
>= MCE_CMDBUF_SIZE
) {
865 /* Fix packet length in last header */
866 length
= cmdcount
% MCE_CODE_LENGTH
;
867 cmdbuf
[cmdcount
- length
] -= MCE_CODE_LENGTH
- length
;
869 /* All mce commands end with an empty packet (0x80) */
870 cmdbuf
[cmdcount
++] = MCE_IRDATA_TRAILER
;
872 /* Transmit the command to the mce device */
873 mce_async_out(ir
, cmdbuf
, cmdcount
);
876 return ret
? ret
: count
;
879 /* Sets active IR outputs -- mce devices typically have two */
880 static int mceusb_set_tx_mask(struct rc_dev
*dev
, u32 mask
)
882 struct mceusb_dev
*ir
= dev
->priv
;
884 if (ir
->flags
.tx_mask_normal
)
887 ir
->tx_mask
= (mask
!= MCE_DEFAULT_TX_MASK
?
888 mask
^ MCE_DEFAULT_TX_MASK
: mask
) << 1;
893 /* Sets the send carrier frequency and mode */
894 static int mceusb_set_tx_carrier(struct rc_dev
*dev
, u32 carrier
)
896 struct mceusb_dev
*ir
= dev
->priv
;
898 int prescaler
= 0, divisor
= 0;
899 unsigned char cmdbuf
[4] = { MCE_CMD_PORT_IR
,
900 MCE_CMD_SETIRCFS
, 0x00, 0x00 };
902 /* Carrier has changed */
903 if (ir
->carrier
!= carrier
) {
906 ir
->carrier
= carrier
;
907 cmdbuf
[2] = MCE_CMD_SIG_END
;
908 cmdbuf
[3] = MCE_IRDATA_TRAILER
;
909 dev_dbg(ir
->dev
, "disabling carrier modulation");
910 mce_async_out(ir
, cmdbuf
, sizeof(cmdbuf
));
914 for (prescaler
= 0; prescaler
< 4; ++prescaler
) {
915 divisor
= (clk
>> (2 * prescaler
)) / carrier
;
916 if (divisor
<= 0xff) {
917 ir
->carrier
= carrier
;
918 cmdbuf
[2] = prescaler
;
920 dev_dbg(ir
->dev
, "requesting %u HZ carrier",
923 /* Transmit new carrier to mce device */
924 mce_async_out(ir
, cmdbuf
, sizeof(cmdbuf
));
937 * We don't do anything but print debug spew for many of the command bits
938 * we receive from the hardware, but some of them are useful information
939 * we want to store so that we can use them.
941 static void mceusb_handle_command(struct mceusb_dev
*ir
, int index
)
943 u8 hi
= ir
->buf_in
[index
+ 1] & 0xff;
944 u8 lo
= ir
->buf_in
[index
+ 2] & 0xff;
946 switch (ir
->buf_in
[index
]) {
947 /* the one and only 5-byte return value command */
948 case MCE_RSP_GETPORTSTATUS
:
949 if ((ir
->buf_in
[index
+ 4] & 0xff) == 0x00)
950 ir
->txports_cabled
|= 1 << hi
;
953 /* 2-byte return value commands */
954 case MCE_RSP_EQIRTIMEOUT
:
955 ir
->rc
->timeout
= US_TO_NS((hi
<< 8 | lo
) * MCE_TIME_UNIT
);
957 case MCE_RSP_EQIRNUMPORTS
:
958 ir
->num_txports
= hi
;
959 ir
->num_rxports
= lo
;
962 /* 1-byte return value commands */
963 case MCE_RSP_EQEMVER
:
966 case MCE_RSP_EQIRTXPORTS
:
969 case MCE_RSP_EQIRRXPORTEN
:
970 ir
->learning_enabled
= ((hi
& 0x02) == 0x02);
971 ir
->rxports_active
= hi
;
973 case MCE_RSP_CMD_ILLEGAL
:
974 ir
->need_reset
= true;
981 static void mceusb_process_ir_data(struct mceusb_dev
*ir
, int buf_len
)
983 DEFINE_IR_RAW_EVENT(rawir
);
987 /* skip meaningless 0xb1 0x60 header bytes on orig receiver */
988 if (ir
->flags
.microsoft_gen1
)
991 /* if there's no data, just return now */
995 for (; i
< buf_len
; i
++) {
996 switch (ir
->parser_state
) {
998 ir
->rem
= mceusb_cmd_datasize(ir
->cmd
, ir
->buf_in
[i
]);
999 mceusb_dev_printdata(ir
, ir
->buf_in
, i
- 1,
1000 ir
->rem
+ 2, false);
1001 mceusb_handle_command(ir
, i
);
1002 ir
->parser_state
= CMD_DATA
;
1006 init_ir_raw_event(&rawir
);
1007 rawir
.pulse
= ((ir
->buf_in
[i
] & MCE_PULSE_BIT
) != 0);
1008 rawir
.duration
= (ir
->buf_in
[i
] & MCE_PULSE_MASK
)
1009 * US_TO_NS(MCE_TIME_UNIT
);
1011 dev_dbg(ir
->dev
, "Storing %s with duration %d",
1012 rawir
.pulse
? "pulse" : "space",
1015 if (ir_raw_event_store_with_filter(ir
->rc
, &rawir
))
1022 /* decode mce packets of the form (84),AA,BB,CC,DD */
1023 /* IR data packets can span USB messages - rem */
1024 ir
->cmd
= ir
->buf_in
[i
];
1025 if ((ir
->cmd
== MCE_CMD_PORT_IR
) ||
1026 ((ir
->cmd
& MCE_PORT_MASK
) !=
1027 MCE_COMMAND_IRDATA
)) {
1028 ir
->parser_state
= SUBCMD
;
1031 ir
->rem
= (ir
->cmd
& MCE_PACKET_LENGTH_MASK
);
1032 mceusb_dev_printdata(ir
, ir
->buf_in
,
1033 i
, ir
->rem
+ 1, false);
1035 ir
->parser_state
= PARSE_IRDATA
;
1037 ir_raw_event_reset(ir
->rc
);
1041 if (ir
->parser_state
!= CMD_HEADER
&& !ir
->rem
)
1042 ir
->parser_state
= CMD_HEADER
;
1045 dev_dbg(ir
->dev
, "processed IR data");
1046 ir_raw_event_handle(ir
->rc
);
1050 static void mceusb_dev_recv(struct urb
*urb
)
1052 struct mceusb_dev
*ir
;
1060 usb_unlink_urb(urb
);
1064 buf_len
= urb
->actual_length
;
1066 if (ir
->send_flags
== RECV_FLAG_IN_PROGRESS
) {
1067 ir
->send_flags
= SEND_FLAG_COMPLETE
;
1068 dev_dbg(ir
->dev
, "setup answer received %d bytes\n",
1072 switch (urb
->status
) {
1075 mceusb_process_ir_data(ir
, buf_len
);
1082 usb_unlink_urb(urb
);
1087 dev_err(ir
->dev
, "Error: urb status = %d", urb
->status
);
1091 usb_submit_urb(urb
, GFP_ATOMIC
);
1094 static void mceusb_get_emulator_version(struct mceusb_dev
*ir
)
1096 /* If we get no reply or an illegal command reply, its ver 1, says MS */
1098 mce_async_out(ir
, GET_EMVER
, sizeof(GET_EMVER
));
1101 static void mceusb_gen1_init(struct mceusb_dev
*ir
)
1104 struct device
*dev
= ir
->dev
;
1107 data
= kzalloc(USB_CTRL_MSG_SZ
, GFP_KERNEL
);
1109 dev_err(dev
, "%s: memory allocation failed!", __func__
);
1114 * This is a strange one. Windows issues a set address to the device
1115 * on the receive control pipe and expect a certain value pair back
1117 ret
= usb_control_msg(ir
->usbdev
, usb_rcvctrlpipe(ir
->usbdev
, 0),
1118 USB_REQ_SET_ADDRESS
, USB_TYPE_VENDOR
, 0, 0,
1119 data
, USB_CTRL_MSG_SZ
, HZ
* 3);
1120 dev_dbg(dev
, "set address - ret = %d", ret
);
1121 dev_dbg(dev
, "set address - data[0] = %d, data[1] = %d",
1124 /* set feature: bit rate 38400 bps */
1125 ret
= usb_control_msg(ir
->usbdev
, usb_sndctrlpipe(ir
->usbdev
, 0),
1126 USB_REQ_SET_FEATURE
, USB_TYPE_VENDOR
,
1127 0xc04e, 0x0000, NULL
, 0, HZ
* 3);
1129 dev_dbg(dev
, "set feature - ret = %d", ret
);
1131 /* bRequest 4: set char length to 8 bits */
1132 ret
= usb_control_msg(ir
->usbdev
, usb_sndctrlpipe(ir
->usbdev
, 0),
1134 0x0808, 0x0000, NULL
, 0, HZ
* 3);
1135 dev_dbg(dev
, "set char length - retB = %d", ret
);
1137 /* bRequest 2: set handshaking to use DTR/DSR */
1138 ret
= usb_control_msg(ir
->usbdev
, usb_sndctrlpipe(ir
->usbdev
, 0),
1140 0x0000, 0x0100, NULL
, 0, HZ
* 3);
1141 dev_dbg(dev
, "set handshake - retC = %d", ret
);
1144 mce_async_out(ir
, DEVICE_RESUME
, sizeof(DEVICE_RESUME
));
1146 /* get hw/sw revision? */
1147 mce_async_out(ir
, GET_REVISION
, sizeof(GET_REVISION
));
1152 static void mceusb_gen2_init(struct mceusb_dev
*ir
)
1155 mce_async_out(ir
, DEVICE_RESUME
, sizeof(DEVICE_RESUME
));
1157 /* get wake version (protocol, key, address) */
1158 mce_async_out(ir
, GET_WAKEVERSION
, sizeof(GET_WAKEVERSION
));
1160 /* unknown what this one actually returns... */
1161 mce_async_out(ir
, GET_UNKNOWN2
, sizeof(GET_UNKNOWN2
));
1164 static void mceusb_get_parameters(struct mceusb_dev
*ir
)
1167 unsigned char cmdbuf
[3] = { MCE_CMD_PORT_SYS
,
1168 MCE_CMD_GETPORTSTATUS
, 0x00 };
1170 /* defaults, if the hardware doesn't support querying */
1171 ir
->num_txports
= 2;
1172 ir
->num_rxports
= 2;
1174 /* get number of tx and rx ports */
1175 mce_async_out(ir
, GET_NUM_PORTS
, sizeof(GET_NUM_PORTS
));
1177 /* get the carrier and frequency */
1178 mce_async_out(ir
, GET_CARRIER_FREQ
, sizeof(GET_CARRIER_FREQ
));
1180 if (ir
->num_txports
&& !ir
->flags
.no_tx
)
1181 /* get the transmitter bitmask */
1182 mce_async_out(ir
, GET_TX_BITMASK
, sizeof(GET_TX_BITMASK
));
1184 /* get receiver timeout value */
1185 mce_async_out(ir
, GET_RX_TIMEOUT
, sizeof(GET_RX_TIMEOUT
));
1187 /* get receiver sensor setting */
1188 mce_async_out(ir
, GET_RX_SENSOR
, sizeof(GET_RX_SENSOR
));
1190 for (i
= 0; i
< ir
->num_txports
; i
++) {
1192 mce_async_out(ir
, cmdbuf
, sizeof(cmdbuf
));
1196 static void mceusb_flash_led(struct mceusb_dev
*ir
)
1201 mce_async_out(ir
, FLASH_LED
, sizeof(FLASH_LED
));
1204 static struct rc_dev
*mceusb_init_rc_dev(struct mceusb_dev
*ir
)
1206 struct usb_device
*udev
= ir
->usbdev
;
1207 struct device
*dev
= ir
->dev
;
1211 rc
= rc_allocate_device();
1213 dev_err(dev
, "remote dev allocation failed");
1217 snprintf(ir
->name
, sizeof(ir
->name
), "%s (%04x:%04x)",
1218 mceusb_model
[ir
->model
].name
?
1219 mceusb_model
[ir
->model
].name
:
1220 "Media Center Ed. eHome Infrared Remote Transceiver",
1221 le16_to_cpu(ir
->usbdev
->descriptor
.idVendor
),
1222 le16_to_cpu(ir
->usbdev
->descriptor
.idProduct
));
1224 usb_make_path(ir
->usbdev
, ir
->phys
, sizeof(ir
->phys
));
1226 rc
->input_name
= ir
->name
;
1227 rc
->input_phys
= ir
->phys
;
1228 usb_to_input_id(ir
->usbdev
, &rc
->input_id
);
1229 rc
->dev
.parent
= dev
;
1231 rc
->driver_type
= RC_DRIVER_IR_RAW
;
1232 rc
->allowed_protocols
= RC_BIT_ALL
;
1233 rc
->timeout
= MS_TO_NS(100);
1234 if (!ir
->flags
.no_tx
) {
1235 rc
->s_tx_mask
= mceusb_set_tx_mask
;
1236 rc
->s_tx_carrier
= mceusb_set_tx_carrier
;
1237 rc
->tx_ir
= mceusb_tx_ir
;
1239 rc
->driver_name
= DRIVER_NAME
;
1241 switch (le16_to_cpu(udev
->descriptor
.idVendor
)) {
1242 case VENDOR_HAUPPAUGE
:
1243 rc
->map_name
= RC_MAP_HAUPPAUGE
;
1246 rc
->map_name
= RC_MAP_PINNACLE_PCTV_HD
;
1249 rc
->map_name
= RC_MAP_RC6_MCE
;
1251 if (mceusb_model
[ir
->model
].rc_map
)
1252 rc
->map_name
= mceusb_model
[ir
->model
].rc_map
;
1254 ret
= rc_register_device(rc
);
1256 dev_err(dev
, "remote dev registration failed");
1267 static int mceusb_dev_probe(struct usb_interface
*intf
,
1268 const struct usb_device_id
*id
)
1270 struct usb_device
*dev
= interface_to_usbdev(intf
);
1271 struct usb_host_interface
*idesc
;
1272 struct usb_endpoint_descriptor
*ep
= NULL
;
1273 struct usb_endpoint_descriptor
*ep_in
= NULL
;
1274 struct usb_endpoint_descriptor
*ep_out
= NULL
;
1275 struct mceusb_dev
*ir
= NULL
;
1277 char buf
[63], name
[128] = "";
1278 enum mceusb_model_type model
= id
->driver_info
;
1280 bool is_microsoft_gen1
;
1281 bool tx_mask_normal
;
1284 dev_dbg(&intf
->dev
, "%s called", __func__
);
1286 idesc
= intf
->cur_altsetting
;
1288 is_gen3
= mceusb_model
[model
].mce_gen3
;
1289 is_microsoft_gen1
= mceusb_model
[model
].mce_gen1
;
1290 tx_mask_normal
= mceusb_model
[model
].tx_mask_normal
;
1291 ir_intfnum
= mceusb_model
[model
].ir_intfnum
;
1293 /* There are multi-function devices with non-IR interfaces */
1294 if (idesc
->desc
.bInterfaceNumber
!= ir_intfnum
)
1297 /* step through the endpoints to find first bulk in and out endpoint */
1298 for (i
= 0; i
< idesc
->desc
.bNumEndpoints
; ++i
) {
1299 ep
= &idesc
->endpoint
[i
].desc
;
1301 if (ep_in
== NULL
) {
1302 if (usb_endpoint_is_bulk_in(ep
)) {
1304 dev_dbg(&intf
->dev
, "acceptable bulk inbound endpoint found\n");
1305 } else if (usb_endpoint_is_int_in(ep
)) {
1307 ep_in
->bInterval
= 1;
1308 dev_dbg(&intf
->dev
, "acceptable interrupt inbound endpoint found\n");
1312 if (ep_out
== NULL
) {
1313 if (usb_endpoint_is_bulk_out(ep
)) {
1315 dev_dbg(&intf
->dev
, "acceptable bulk outbound endpoint found\n");
1316 } else if (usb_endpoint_is_int_out(ep
)) {
1318 ep_out
->bInterval
= 1;
1319 dev_dbg(&intf
->dev
, "acceptable interrupt outbound endpoint found\n");
1323 if (ep_in
== NULL
) {
1324 dev_dbg(&intf
->dev
, "inbound and/or endpoint not found");
1328 if (usb_endpoint_xfer_int(ep_in
))
1329 pipe
= usb_rcvintpipe(dev
, ep_in
->bEndpointAddress
);
1331 pipe
= usb_rcvbulkpipe(dev
, ep_in
->bEndpointAddress
);
1332 maxp
= usb_maxpacket(dev
, pipe
, usb_pipeout(pipe
));
1334 ir
= kzalloc(sizeof(struct mceusb_dev
), GFP_KERNEL
);
1336 goto mem_alloc_fail
;
1338 ir
->buf_in
= usb_alloc_coherent(dev
, maxp
, GFP_ATOMIC
, &ir
->dma_in
);
1340 goto buf_in_alloc_fail
;
1342 ir
->urb_in
= usb_alloc_urb(0, GFP_KERNEL
);
1344 goto urb_in_alloc_fail
;
1346 ir
->usbdev
= usb_get_dev(dev
);
1347 ir
->dev
= &intf
->dev
;
1349 ir
->flags
.microsoft_gen1
= is_microsoft_gen1
;
1350 ir
->flags
.tx_mask_normal
= tx_mask_normal
;
1351 ir
->flags
.no_tx
= mceusb_model
[model
].no_tx
;
1354 /* Saving usb interface data for use by the transmitter routine */
1355 ir
->usb_ep_out
= ep_out
;
1357 if (dev
->descriptor
.iManufacturer
1358 && usb_string(dev
, dev
->descriptor
.iManufacturer
,
1359 buf
, sizeof(buf
)) > 0)
1360 strlcpy(name
, buf
, sizeof(name
));
1361 if (dev
->descriptor
.iProduct
1362 && usb_string(dev
, dev
->descriptor
.iProduct
,
1363 buf
, sizeof(buf
)) > 0)
1364 snprintf(name
+ strlen(name
), sizeof(name
) - strlen(name
),
1367 ir
->rc
= mceusb_init_rc_dev(ir
);
1371 /* wire up inbound data handler */
1372 usb_fill_int_urb(ir
->urb_in
, dev
, pipe
, ir
->buf_in
, maxp
,
1373 mceusb_dev_recv
, ir
, ep_in
->bInterval
);
1374 ir
->urb_in
->transfer_dma
= ir
->dma_in
;
1375 ir
->urb_in
->transfer_flags
|= URB_NO_TRANSFER_DMA_MAP
;
1377 /* flush buffers on the device */
1378 dev_dbg(&intf
->dev
, "Flushing receive buffers\n");
1379 mce_flush_rx_buffer(ir
, maxp
);
1381 /* figure out which firmware/emulator version this hardware has */
1382 mceusb_get_emulator_version(ir
);
1384 /* initialize device */
1385 if (ir
->flags
.microsoft_gen1
)
1386 mceusb_gen1_init(ir
);
1388 mceusb_gen2_init(ir
);
1390 mceusb_get_parameters(ir
);
1392 mceusb_flash_led(ir
);
1394 if (!ir
->flags
.no_tx
)
1395 mceusb_set_tx_mask(ir
->rc
, MCE_DEFAULT_TX_MASK
);
1397 usb_set_intfdata(intf
, ir
);
1399 /* enable wake via this device */
1400 device_set_wakeup_capable(ir
->dev
, true);
1401 device_set_wakeup_enable(ir
->dev
, true);
1403 dev_info(&intf
->dev
, "Registered %s with mce emulator interface version %x",
1405 dev_info(&intf
->dev
, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)",
1406 ir
->num_txports
, ir
->txports_cabled
,
1407 ir
->num_rxports
, ir
->rxports_active
);
1411 /* Error-handling path */
1413 usb_put_dev(ir
->usbdev
);
1414 usb_free_urb(ir
->urb_in
);
1416 usb_free_coherent(dev
, maxp
, ir
->buf_in
, ir
->dma_in
);
1420 dev_err(&intf
->dev
, "%s: device setup failed!", __func__
);
1426 static void mceusb_dev_disconnect(struct usb_interface
*intf
)
1428 struct usb_device
*dev
= interface_to_usbdev(intf
);
1429 struct mceusb_dev
*ir
= usb_get_intfdata(intf
);
1431 usb_set_intfdata(intf
, NULL
);
1437 rc_unregister_device(ir
->rc
);
1438 usb_kill_urb(ir
->urb_in
);
1439 usb_free_urb(ir
->urb_in
);
1440 usb_free_coherent(dev
, ir
->len_in
, ir
->buf_in
, ir
->dma_in
);
1446 static int mceusb_dev_suspend(struct usb_interface
*intf
, pm_message_t message
)
1448 struct mceusb_dev
*ir
= usb_get_intfdata(intf
);
1449 dev_info(ir
->dev
, "suspend");
1450 usb_kill_urb(ir
->urb_in
);
1454 static int mceusb_dev_resume(struct usb_interface
*intf
)
1456 struct mceusb_dev
*ir
= usb_get_intfdata(intf
);
1457 dev_info(ir
->dev
, "resume");
1458 if (usb_submit_urb(ir
->urb_in
, GFP_ATOMIC
))
1463 static struct usb_driver mceusb_dev_driver
= {
1464 .name
= DRIVER_NAME
,
1465 .probe
= mceusb_dev_probe
,
1466 .disconnect
= mceusb_dev_disconnect
,
1467 .suspend
= mceusb_dev_suspend
,
1468 .resume
= mceusb_dev_resume
,
1469 .reset_resume
= mceusb_dev_resume
,
1470 .id_table
= mceusb_dev_table
1473 module_usb_driver(mceusb_dev_driver
);
1475 MODULE_DESCRIPTION(DRIVER_DESC
);
1476 MODULE_AUTHOR(DRIVER_AUTHOR
);
1477 MODULE_LICENSE("GPL");
1478 MODULE_DEVICE_TABLE(usb
, mceusb_dev_table
);