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25#include <linux/device.h>
26#include <linux/module.h>
27#include <linux/slab.h>
28#include <linux/workqueue.h>
29#include <linux/usb.h>
30#include <linux/usb/input.h>
31#include <linux/pm_wakeup.h>
32#include <media/rc-core.h>
33
34#define DRIVER_VERSION "1.94"
35#define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>"
36#define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \
37 "device driver"
38#define DRIVER_NAME "mceusb"
39
40#define USB_CTRL_MSG_SZ 2
41#define MCE_G1_INIT_MSGS 40
42
43
44#define MCE_CMDBUF_SIZE 384
45#define MCE_TIME_UNIT 50
46#define MCE_CODE_LENGTH 5
47#define MCE_PACKET_SIZE 4
48#define MCE_IRDATA_HEADER 0x84
49#define MCE_IRDATA_TRAILER 0x80
50#define MCE_MAX_CHANNELS 2
51#define MCE_DEFAULT_TX_MASK 0x03
52#define MCE_PULSE_BIT 0x80
53#define MCE_PULSE_MASK 0x7f
54#define MCE_MAX_PULSE_LENGTH 0x7f
55
56
57
58
59
60
61
62
63
64
65
66
67
68#define MCE_CMD 0x1f
69#define MCE_PORT_IR 0x4
70#define MCE_PORT_SYS 0x7
71#define MCE_PORT_SER 0x6
72#define MCE_PORT_MASK 0xe0
73
74
75#define MCE_CMD_PORT_IR 0x9f
76#define MCE_CMD_PORT_SYS 0xff
77
78
79#define MCE_CMD_RESET 0xfe
80#define MCE_CMD_RESUME 0xaa
81#define MCE_CMD_SETIRCFS 0x06
82#define MCE_CMD_SETIRTIMEOUT 0x0c
83#define MCE_CMD_SETIRTXPORTS 0x08
84#define MCE_CMD_SETIRRXPORTEN 0x14
85#define MCE_CMD_FLASHLED 0x23
86
87
88#define MCE_CMD_GETIRCFS 0x07
89#define MCE_CMD_GETIRTIMEOUT 0x0d
90#define MCE_CMD_GETIRTXPORTS 0x13
91#define MCE_CMD_GETIRRXPORTEN 0x15
92#define MCE_CMD_GETPORTSTATUS 0x11
93#define MCE_CMD_GETIRNUMPORTS 0x16
94#define MCE_CMD_GETWAKESOURCE 0x17
95#define MCE_CMD_GETEMVER 0x22
96#define MCE_CMD_GETDEVDETAILS 0x21
97#define MCE_CMD_GETWAKESUPPORT 0x20
98#define MCE_CMD_GETWAKEVERSION 0x18
99
100
101#define MCE_CMD_NOP 0xff
102
103
104#define MCE_RSP_EQIRCFS 0x06
105#define MCE_RSP_EQIRTIMEOUT 0x0c
106#define MCE_RSP_GETWAKESOURCE 0x17
107#define MCE_RSP_EQIRTXPORTS 0x08
108#define MCE_RSP_EQIRRXPORTEN 0x14
109#define MCE_RSP_GETPORTSTATUS 0x11
110#define MCE_RSP_EQIRRXCFCNT 0x15
111#define MCE_RSP_EQIRNUMPORTS 0x16
112#define MCE_RSP_EQWAKESUPPORT 0x20
113#define MCE_RSP_EQWAKEVERSION 0x18
114#define MCE_RSP_EQDEVDETAILS 0x21
115#define MCE_RSP_EQEMVER 0x22
116#define MCE_RSP_FLASHLED 0x23
117
118
119#define MCE_RSP_CMD_ILLEGAL 0xfe
120#define MCE_RSP_TX_TIMEOUT 0x81
121
122
123#define MCE_CMD_SIG_END 0x01
124#define MCE_CMD_PING 0x03
125#define MCE_CMD_UNKNOWN 0x04
126#define MCE_CMD_UNKNOWN2 0x05
127#define MCE_CMD_UNKNOWN3 0x09
128#define MCE_CMD_UNKNOWN4 0x0a
129#define MCE_CMD_G_REVISION 0x0b
130#define MCE_CMD_UNKNOWN5 0x0e
131#define MCE_CMD_UNKNOWN6 0x0f
132#define MCE_CMD_UNKNOWN8 0x19
133#define MCE_CMD_UNKNOWN9 0x1b
134#define MCE_CMD_NULL 0x00
135
136
137
138#define MCE_COMMAND_IRDATA 0x80
139#define MCE_PACKET_LENGTH_MASK 0x1f
140
141#define VENDOR_PHILIPS 0x0471
142#define VENDOR_SMK 0x0609
143#define VENDOR_TATUNG 0x1460
144#define VENDOR_GATEWAY 0x107b
145#define VENDOR_SHUTTLE 0x1308
146#define VENDOR_SHUTTLE2 0x051c
147#define VENDOR_MITSUMI 0x03ee
148#define VENDOR_TOPSEED 0x1784
149#define VENDOR_RICAVISION 0x179d
150#define VENDOR_ITRON 0x195d
151#define VENDOR_FIC 0x1509
152#define VENDOR_LG 0x043e
153#define VENDOR_MICROSOFT 0x045e
154#define VENDOR_FORMOSA 0x147a
155#define VENDOR_FINTEK 0x1934
156#define VENDOR_PINNACLE 0x2304
157#define VENDOR_ECS 0x1019
158#define VENDOR_WISTRON 0x0fb8
159#define VENDOR_COMPRO 0x185b
160#define VENDOR_NORTHSTAR 0x04eb
161#define VENDOR_REALTEK 0x0bda
162#define VENDOR_TIVO 0x105a
163#define VENDOR_CONEXANT 0x0572
164#define VENDOR_TWISTEDMELON 0x2596
165#define VENDOR_HAUPPAUGE 0x2040
166#define VENDOR_PCTV 0x2013
167#define VENDOR_ADAPTEC 0x03f3
168
169enum mceusb_model_type {
170 MCE_GEN2 = 0,
171 MCE_GEN1,
172 MCE_GEN3,
173 MCE_GEN3_BROKEN_IRTIMEOUT,
174 MCE_GEN2_TX_INV,
175 MCE_GEN2_TX_INV_RX_GOOD,
176 POLARIS_EVK,
177 CX_HYBRID_TV,
178 MULTIFUNCTION,
179 TIVO_KIT,
180 MCE_GEN2_NO_TX,
181 HAUPPAUGE_CX_HYBRID_TV,
182 EVROMEDIA_FULL_HYBRID_FULLHD,
183 ASTROMETA_T2HYBRID,
184};
185
186struct mceusb_model {
187 u32 mce_gen1:1;
188 u32 mce_gen2:1;
189 u32 mce_gen3:1;
190 u32 tx_mask_normal:1;
191 u32 no_tx:1;
192 u32 broken_irtimeout:1;
193
194
195
196
197
198
199 u32 rx2;
200
201 int ir_intfnum;
202
203 const char *rc_map;
204 const char *name;
205};
206
207static const struct mceusb_model mceusb_model[] = {
208 [MCE_GEN1] = {
209 .mce_gen1 = 1,
210 .tx_mask_normal = 1,
211 .rx2 = 2,
212 },
213 [MCE_GEN2] = {
214 .mce_gen2 = 1,
215 .rx2 = 2,
216 },
217 [MCE_GEN2_NO_TX] = {
218 .mce_gen2 = 1,
219 .no_tx = 1,
220 },
221 [MCE_GEN2_TX_INV] = {
222 .mce_gen2 = 1,
223 .tx_mask_normal = 1,
224 .rx2 = 1,
225 },
226 [MCE_GEN2_TX_INV_RX_GOOD] = {
227 .mce_gen2 = 1,
228 .tx_mask_normal = 1,
229 .rx2 = 2,
230 },
231 [MCE_GEN3] = {
232 .mce_gen3 = 1,
233 .tx_mask_normal = 1,
234 .rx2 = 2,
235 },
236 [MCE_GEN3_BROKEN_IRTIMEOUT] = {
237 .mce_gen3 = 1,
238 .tx_mask_normal = 1,
239 .rx2 = 2,
240 .broken_irtimeout = 1
241 },
242 [POLARIS_EVK] = {
243
244
245
246
247
248 .name = "Conexant Hybrid TV (cx231xx) MCE IR",
249 .rx2 = 2,
250 },
251 [CX_HYBRID_TV] = {
252 .no_tx = 1,
253 .name = "Conexant Hybrid TV (cx231xx) MCE IR",
254 },
255 [HAUPPAUGE_CX_HYBRID_TV] = {
256 .no_tx = 1,
257 .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX",
258 },
259 [MULTIFUNCTION] = {
260 .mce_gen2 = 1,
261 .ir_intfnum = 2,
262 .rx2 = 2,
263 },
264 [TIVO_KIT] = {
265 .mce_gen2 = 1,
266 .rc_map = RC_MAP_TIVO,
267 .rx2 = 2,
268 },
269 [EVROMEDIA_FULL_HYBRID_FULLHD] = {
270 .name = "Evromedia USB Full Hybrid Full HD",
271 .no_tx = 1,
272 .rc_map = RC_MAP_MSI_DIGIVOX_III,
273 },
274 [ASTROMETA_T2HYBRID] = {
275 .name = "Astrometa T2Hybrid",
276 .no_tx = 1,
277 .rc_map = RC_MAP_ASTROMETA_T2HYBRID,
278 }
279};
280
281static const struct usb_device_id mceusb_dev_table[] = {
282
283 { USB_DEVICE(VENDOR_MICROSOFT, 0x006d),
284 .driver_info = MCE_GEN1 },
285
286 { USB_DEVICE(VENDOR_PHILIPS, 0x0608) },
287
288 { USB_DEVICE(VENDOR_PHILIPS, 0x060c),
289 .driver_info = MCE_GEN2_TX_INV },
290
291 { USB_DEVICE(VENDOR_PHILIPS, 0x060d) },
292
293 { USB_DEVICE(VENDOR_PHILIPS, 0x060f) },
294
295 { USB_DEVICE(VENDOR_PHILIPS, 0x0613) },
296
297 { USB_DEVICE(VENDOR_PHILIPS, 0x0815) },
298
299 { USB_DEVICE(VENDOR_PHILIPS, 0x206c) },
300
301 { USB_DEVICE(VENDOR_PHILIPS, 0x2088) },
302
303 { USB_DEVICE(VENDOR_PHILIPS, 0x2093),
304 .driver_info = MCE_GEN2_TX_INV },
305
306 { USB_DEVICE(VENDOR_REALTEK, 0x0161),
307 .driver_info = MULTIFUNCTION },
308
309 { USB_DEVICE(VENDOR_SMK, 0x031d),
310 .driver_info = MCE_GEN2_TX_INV_RX_GOOD },
311
312 { USB_DEVICE(VENDOR_SMK, 0x0322),
313 .driver_info = MCE_GEN2_TX_INV },
314
315 { USB_DEVICE(VENDOR_SMK, 0x0334),
316 .driver_info = MCE_GEN2_TX_INV },
317
318 { USB_DEVICE(VENDOR_SMK, 0x0338) },
319
320 { USB_DEVICE(VENDOR_SMK, 0x0353),
321 .driver_info = MCE_GEN2_NO_TX },
322
323 { USB_DEVICE(VENDOR_SMK, 0x0357),
324 .driver_info = MCE_GEN2_NO_TX },
325
326 { USB_DEVICE(VENDOR_TATUNG, 0x9150) },
327
328 { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) },
329
330 { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) },
331
332 { USB_DEVICE(VENDOR_GATEWAY, 0x3009) },
333
334 { USB_DEVICE(VENDOR_MITSUMI, 0x2501) },
335
336 { USB_DEVICE(VENDOR_TOPSEED, 0x0001),
337 .driver_info = MCE_GEN2_TX_INV },
338
339 { USB_DEVICE(VENDOR_TOPSEED, 0x0006),
340 .driver_info = MCE_GEN2_TX_INV },
341
342 { USB_DEVICE(VENDOR_TOPSEED, 0x0007),
343 .driver_info = MCE_GEN2_TX_INV },
344
345 { USB_DEVICE(VENDOR_TOPSEED, 0x0008),
346 .driver_info = MCE_GEN3 },
347
348 { USB_DEVICE(VENDOR_TOPSEED, 0x000a),
349 .driver_info = MCE_GEN2_TX_INV },
350
351 { USB_DEVICE(VENDOR_TOPSEED, 0x0011),
352 .driver_info = MCE_GEN3_BROKEN_IRTIMEOUT },
353
354 { USB_DEVICE(VENDOR_RICAVISION, 0x0010) },
355
356 { USB_DEVICE(VENDOR_ITRON, 0x7002) },
357
358 { USB_DEVICE(VENDOR_FIC, 0x9242) },
359
360 { USB_DEVICE(VENDOR_LG, 0x9803) },
361
362 { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) },
363
364 { USB_DEVICE(VENDOR_FORMOSA, 0xe015) },
365
366 { USB_DEVICE(VENDOR_FORMOSA, 0xe016) },
367
368 { USB_DEVICE(VENDOR_FORMOSA, 0xe017),
369 .driver_info = MCE_GEN2_NO_TX },
370
371 { USB_DEVICE(VENDOR_FORMOSA, 0xe018) },
372
373 { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) },
374
375 { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) },
376
377 { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) },
378
379 { USB_DEVICE(VENDOR_FORMOSA, 0xe042) },
380
381 { USB_DEVICE(VENDOR_FINTEK, 0x5168),
382 .driver_info = MCE_GEN2_TX_INV },
383
384 { USB_DEVICE(VENDOR_FINTEK, 0x0602) },
385
386 { USB_DEVICE(VENDOR_FINTEK, 0x0702) },
387
388 { USB_DEVICE(VENDOR_PINNACLE, 0x0225),
389 .driver_info = MCE_GEN3 },
390
391 { USB_DEVICE(VENDOR_ECS, 0x0f38) },
392
393 { USB_DEVICE(VENDOR_WISTRON, 0x0002) },
394
395 { USB_DEVICE(VENDOR_COMPRO, 0x3020) },
396
397 { USB_DEVICE(VENDOR_COMPRO, 0x3082) },
398
399 { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) },
400
401 { USB_DEVICE(VENDOR_TIVO, 0x2000),
402 .driver_info = TIVO_KIT },
403
404 { USB_DEVICE(VENDOR_CONEXANT, 0x58a1),
405 .driver_info = POLARIS_EVK },
406
407 { USB_DEVICE(VENDOR_CONEXANT, 0x58a5),
408 .driver_info = CX_HYBRID_TV },
409
410 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) },
411
412 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) },
413
414 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) },
415
416 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130),
417 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
418 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb131),
419 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
420 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb138),
421 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
422 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb139),
423 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
424
425 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb151),
426 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
427
428 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb123),
429 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
430
431 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb150),
432 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
433 { USB_DEVICE(VENDOR_PCTV, 0x0259),
434 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
435 { USB_DEVICE(VENDOR_PCTV, 0x025e),
436 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
437
438 { USB_DEVICE(VENDOR_ADAPTEC, 0x0094) },
439
440 { USB_DEVICE(0x1b80, 0xd3b2),
441 .driver_info = EVROMEDIA_FULL_HYBRID_FULLHD },
442
443 { USB_DEVICE(0x15f4, 0x0135),
444 .driver_info = ASTROMETA_T2HYBRID },
445
446
447 { }
448};
449
450
451struct mceusb_dev {
452
453 struct rc_dev *rc;
454
455
456 bool carrier_report_enabled;
457 bool wideband_rx_enabled;
458
459
460 struct device *dev;
461
462
463 struct usb_device *usbdev;
464 struct urb *urb_in;
465 unsigned int pipe_in;
466 struct usb_endpoint_descriptor *usb_ep_out;
467 unsigned int pipe_out;
468
469
470 unsigned char *buf_in;
471 unsigned int len_in;
472 dma_addr_t dma_in;
473
474 enum {
475 CMD_HEADER = 0,
476 SUBCMD,
477 CMD_DATA,
478 PARSE_IRDATA,
479 } parser_state;
480
481 u8 cmd, rem;
482
483 struct {
484 u32 connected:1;
485 u32 tx_mask_normal:1;
486 u32 microsoft_gen1:1;
487 u32 no_tx:1;
488 u32 rx2;
489 } flags;
490
491
492 u32 carrier;
493 unsigned char tx_mask;
494
495 char name[128];
496 char phys[64];
497 enum mceusb_model_type model;
498
499 bool need_reset;
500 u8 emver;
501 u8 num_txports;
502 u8 num_rxports;
503 u8 txports_cabled;
504 u8 rxports_active;
505 bool learning_active;
506
507
508 u32 pulse_tunit;
509 u32 pulse_count;
510
511
512
513
514
515
516 struct work_struct kevent;
517 unsigned long kevent_flags;
518# define EVENT_TX_HALT 0
519# define EVENT_RX_HALT 1
520};
521
522
523static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS,
524 MCE_CMD_RESUME};
525static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION};
526static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER};
527static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION};
528static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED};
529static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2};
530static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS};
531static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT};
532static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS};
533static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS};
534static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN};
535
536
537
538
539
540
541
542
543
544
545
546static int mceusb_cmd_datasize(u8 cmd, u8 subcmd)
547{
548 int datasize = 0;
549
550 switch (cmd) {
551 case MCE_CMD_NULL:
552 if (subcmd == MCE_CMD_PORT_SYS)
553 datasize = 1;
554 break;
555 case MCE_CMD_PORT_SYS:
556 switch (subcmd) {
557 case MCE_RSP_GETPORTSTATUS:
558 datasize = 5;
559 break;
560 case MCE_RSP_EQWAKEVERSION:
561 datasize = 4;
562 break;
563 case MCE_CMD_G_REVISION:
564 datasize = 2;
565 break;
566 case MCE_RSP_EQWAKESUPPORT:
567 case MCE_RSP_GETWAKESOURCE:
568 case MCE_RSP_EQDEVDETAILS:
569 case MCE_RSP_EQEMVER:
570 datasize = 1;
571 break;
572 }
573 break;
574 case MCE_CMD_PORT_IR:
575 switch (subcmd) {
576 case MCE_CMD_UNKNOWN:
577 case MCE_RSP_EQIRCFS:
578 case MCE_RSP_EQIRTIMEOUT:
579 case MCE_RSP_EQIRRXCFCNT:
580 case MCE_RSP_EQIRNUMPORTS:
581 datasize = 2;
582 break;
583 case MCE_CMD_SIG_END:
584 case MCE_RSP_EQIRTXPORTS:
585 case MCE_RSP_EQIRRXPORTEN:
586 datasize = 1;
587 break;
588 }
589 }
590 return datasize;
591}
592
593static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len,
594 int offset, int len, bool out)
595{
596#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
597 char *inout;
598 u8 cmd, subcmd, *data;
599 struct device *dev = ir->dev;
600 int start, skip = 0;
601 u32 carrier, period;
602
603
604 if (ir->flags.microsoft_gen1 && !out && !offset)
605 skip = 2;
606
607 if (len <= skip)
608 return;
609
610 dev_dbg(dev, "%cx data: %*ph (length=%d)",
611 (out ? 't' : 'r'),
612 min(len, buf_len - offset), buf + offset, len);
613
614 inout = out ? "Request" : "Got";
615
616 start = offset + skip;
617 cmd = buf[start] & 0xff;
618 subcmd = buf[start + 1] & 0xff;
619 data = buf + start + 2;
620
621 switch (cmd) {
622 case MCE_CMD_NULL:
623 if (subcmd == MCE_CMD_NULL)
624 break;
625 if ((subcmd == MCE_CMD_PORT_SYS) &&
626 (data[0] == MCE_CMD_RESUME))
627 dev_dbg(dev, "Device resume requested");
628 else
629 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
630 cmd, subcmd);
631 break;
632 case MCE_CMD_PORT_SYS:
633 switch (subcmd) {
634 case MCE_RSP_EQEMVER:
635 if (!out)
636 dev_dbg(dev, "Emulator interface version %x",
637 data[0]);
638 break;
639 case MCE_CMD_G_REVISION:
640 if (len == 2)
641 dev_dbg(dev, "Get hw/sw rev?");
642 else
643 dev_dbg(dev, "hw/sw rev %*ph",
644 4, &buf[start + 2]);
645 break;
646 case MCE_CMD_RESUME:
647 dev_dbg(dev, "Device resume requested");
648 break;
649 case MCE_RSP_CMD_ILLEGAL:
650 dev_dbg(dev, "Illegal PORT_SYS command");
651 break;
652 case MCE_RSP_EQWAKEVERSION:
653 if (!out)
654 dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x",
655 data[0], data[1], data[2], data[3]);
656 break;
657 case MCE_RSP_GETPORTSTATUS:
658 if (!out)
659
660 dev_dbg(dev, "TX port %d: blaster is%s connected",
661 data[0] + 1, data[3] ? " not" : "");
662 break;
663 case MCE_CMD_FLASHLED:
664 dev_dbg(dev, "Attempting to flash LED");
665 break;
666 default:
667 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
668 cmd, subcmd);
669 break;
670 }
671 break;
672 case MCE_CMD_PORT_IR:
673 switch (subcmd) {
674 case MCE_CMD_SIG_END:
675 dev_dbg(dev, "End of signal");
676 break;
677 case MCE_CMD_PING:
678 dev_dbg(dev, "Ping");
679 break;
680 case MCE_CMD_UNKNOWN:
681 dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x",
682 data[0], data[1]);
683 break;
684 case MCE_RSP_EQIRCFS:
685 period = DIV_ROUND_CLOSEST((1U << data[0] * 2) *
686 (data[1] + 1), 10);
687 if (!period)
688 break;
689 carrier = (1000 * 1000) / period;
690 dev_dbg(dev, "%s carrier of %u Hz (period %uus)",
691 inout, carrier, period);
692 break;
693 case MCE_CMD_GETIRCFS:
694 dev_dbg(dev, "Get carrier mode and freq");
695 break;
696 case MCE_RSP_EQIRTXPORTS:
697 dev_dbg(dev, "%s transmit blaster mask of 0x%02x",
698 inout, data[0]);
699 break;
700 case MCE_RSP_EQIRTIMEOUT:
701
702 period = ((data[0] << 8) | data[1]) *
703 MCE_TIME_UNIT / 1000;
704 dev_dbg(dev, "%s receive timeout of %d ms",
705 inout, period);
706 break;
707 case MCE_CMD_GETIRTIMEOUT:
708 dev_dbg(dev, "Get receive timeout");
709 break;
710 case MCE_CMD_GETIRTXPORTS:
711 dev_dbg(dev, "Get transmit blaster mask");
712 break;
713 case MCE_RSP_EQIRRXPORTEN:
714 dev_dbg(dev, "%s %s-range receive sensor in use",
715 inout, data[0] == 0x02 ? "short" : "long");
716 break;
717 case MCE_CMD_GETIRRXPORTEN:
718
719 if (out)
720 dev_dbg(dev, "Get receive sensor");
721 else
722 dev_dbg(dev, "RX carrier cycle count: %d",
723 ((data[0] << 8) | data[1]));
724 break;
725 case MCE_RSP_EQIRNUMPORTS:
726 if (out)
727 break;
728 dev_dbg(dev, "Num TX ports: %x, num RX ports: %x",
729 data[0], data[1]);
730 break;
731 case MCE_RSP_CMD_ILLEGAL:
732 dev_dbg(dev, "Illegal PORT_IR command");
733 break;
734 default:
735 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
736 cmd, subcmd);
737 break;
738 }
739 break;
740 default:
741 break;
742 }
743
744 if (cmd == MCE_IRDATA_TRAILER)
745 dev_dbg(dev, "End of raw IR data");
746 else if ((cmd != MCE_CMD_PORT_IR) &&
747 ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA))
748 dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem);
749#endif
750}
751
752
753
754
755
756
757
758static void mceusb_defer_kevent(struct mceusb_dev *ir, int kevent)
759{
760 set_bit(kevent, &ir->kevent_flags);
761 if (!schedule_work(&ir->kevent))
762 dev_err(ir->dev, "kevent %d may have been dropped", kevent);
763 else
764 dev_dbg(ir->dev, "kevent %d scheduled", kevent);
765}
766
767static void mce_async_callback(struct urb *urb)
768{
769 struct mceusb_dev *ir;
770 int len;
771
772 if (!urb)
773 return;
774
775 ir = urb->context;
776
777 switch (urb->status) {
778
779 case 0:
780 len = urb->actual_length;
781
782 mceusb_dev_printdata(ir, urb->transfer_buffer, len,
783 0, len, true);
784 break;
785
786 case -ECONNRESET:
787 case -ENOENT:
788 case -EILSEQ:
789 case -ESHUTDOWN:
790 break;
791
792 case -EPIPE:
793 dev_err(ir->dev, "Error: request urb status = %d (TX HALT)",
794 urb->status);
795 mceusb_defer_kevent(ir, EVENT_TX_HALT);
796 break;
797
798 default:
799 dev_err(ir->dev, "Error: request urb status = %d", urb->status);
800 break;
801 }
802
803
804 kfree(urb->transfer_buffer);
805 usb_free_urb(urb);
806}
807
808
809static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,
810 int size)
811{
812 int res;
813 struct urb *async_urb;
814 struct device *dev = ir->dev;
815 unsigned char *async_buf;
816
817 async_urb = usb_alloc_urb(0, GFP_KERNEL);
818 if (unlikely(!async_urb)) {
819 dev_err(dev, "Error, couldn't allocate urb!");
820 return;
821 }
822
823 async_buf = kmalloc(size, GFP_KERNEL);
824 if (!async_buf) {
825 usb_free_urb(async_urb);
826 return;
827 }
828
829
830 if (usb_endpoint_xfer_int(ir->usb_ep_out))
831 usb_fill_int_urb(async_urb, ir->usbdev, ir->pipe_out,
832 async_buf, size, mce_async_callback, ir,
833 ir->usb_ep_out->bInterval);
834 else
835 usb_fill_bulk_urb(async_urb, ir->usbdev, ir->pipe_out,
836 async_buf, size, mce_async_callback, ir);
837
838 memcpy(async_buf, data, size);
839
840 dev_dbg(dev, "send request called (size=%#x)", size);
841
842 res = usb_submit_urb(async_urb, GFP_ATOMIC);
843 if (res) {
844 dev_err(dev, "send request FAILED! (res=%d)", res);
845 kfree(async_buf);
846 usb_free_urb(async_urb);
847 return;
848 }
849 dev_dbg(dev, "send request complete (res=%d)", res);
850}
851
852static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size)
853{
854 int rsize = sizeof(DEVICE_RESUME);
855
856 if (ir->need_reset) {
857 ir->need_reset = false;
858 mce_request_packet(ir, DEVICE_RESUME, rsize);
859 msleep(10);
860 }
861
862 mce_request_packet(ir, data, size);
863 msleep(10);
864}
865
866
867static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
868{
869 struct mceusb_dev *ir = dev->priv;
870 int i, length, ret = 0;
871 int cmdcount = 0;
872 unsigned char cmdbuf[MCE_CMDBUF_SIZE];
873
874
875 cmdbuf[cmdcount++] = MCE_CMD_PORT_IR;
876 cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS;
877 cmdbuf[cmdcount++] = ir->tx_mask;
878
879
880 mce_async_out(ir, cmdbuf, cmdcount);
881 cmdcount = 0;
882
883
884 for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) {
885 txbuf[i] = txbuf[i] / MCE_TIME_UNIT;
886
887 do {
888
889
890 if ((cmdcount < MCE_CMDBUF_SIZE) &&
891 (cmdcount % MCE_CODE_LENGTH) == 0)
892 cmdbuf[cmdcount++] = MCE_IRDATA_HEADER;
893
894
895 if (cmdcount < MCE_CMDBUF_SIZE)
896 cmdbuf[cmdcount++] =
897 (txbuf[i] < MCE_PULSE_BIT ?
898 txbuf[i] : MCE_MAX_PULSE_LENGTH) |
899 (i & 1 ? 0x00 : MCE_PULSE_BIT);
900 else {
901 ret = -EINVAL;
902 goto out;
903 }
904
905 } while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) &&
906 (txbuf[i] -= MCE_MAX_PULSE_LENGTH));
907 }
908
909
910 if (cmdcount >= MCE_CMDBUF_SIZE) {
911 ret = -EINVAL;
912 goto out;
913 }
914
915
916 length = cmdcount % MCE_CODE_LENGTH;
917 cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length;
918
919
920 cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER;
921
922
923 mce_async_out(ir, cmdbuf, cmdcount);
924
925out:
926 return ret ? ret : count;
927}
928
929
930static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask)
931{
932 struct mceusb_dev *ir = dev->priv;
933
934
935 int emitters = ir->num_txports ? ir->num_txports : 2;
936
937 if (mask >= (1 << emitters))
938 return emitters;
939
940 if (ir->flags.tx_mask_normal)
941 ir->tx_mask = mask;
942 else
943 ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ?
944 mask ^ MCE_DEFAULT_TX_MASK : mask) << 1;
945
946 return 0;
947}
948
949
950static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
951{
952 struct mceusb_dev *ir = dev->priv;
953 int clk = 10000000;
954 int prescaler = 0, divisor = 0;
955 unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR,
956 MCE_CMD_SETIRCFS, 0x00, 0x00 };
957
958
959 if (ir->carrier != carrier) {
960
961 if (carrier == 0) {
962 ir->carrier = carrier;
963 cmdbuf[2] = MCE_CMD_SIG_END;
964 cmdbuf[3] = MCE_IRDATA_TRAILER;
965 dev_dbg(ir->dev, "disabling carrier modulation");
966 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
967 return 0;
968 }
969
970 for (prescaler = 0; prescaler < 4; ++prescaler) {
971 divisor = (clk >> (2 * prescaler)) / carrier;
972 if (divisor <= 0xff) {
973 ir->carrier = carrier;
974 cmdbuf[2] = prescaler;
975 cmdbuf[3] = divisor;
976 dev_dbg(ir->dev, "requesting %u HZ carrier",
977 carrier);
978
979
980 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
981 return 0;
982 }
983 }
984
985 return -EINVAL;
986
987 }
988
989 return 0;
990}
991
992static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
993{
994 u8 cmdbuf[4] = { MCE_CMD_PORT_IR, MCE_CMD_SETIRTIMEOUT, 0, 0 };
995 struct mceusb_dev *ir = dev->priv;
996 unsigned int units;
997
998 units = DIV_ROUND_CLOSEST(timeout, US_TO_NS(MCE_TIME_UNIT));
999
1000 cmdbuf[2] = units >> 8;
1001 cmdbuf[3] = units;
1002
1003 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
1004
1005
1006 mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
1007
1008 return 0;
1009}
1010
1011
1012
1013
1014
1015
1016static int mceusb_set_rx_wideband(struct rc_dev *dev, int enable)
1017{
1018 struct mceusb_dev *ir = dev->priv;
1019 unsigned char cmdbuf[3] = { MCE_CMD_PORT_IR,
1020 MCE_CMD_SETIRRXPORTEN, 0x00 };
1021
1022 dev_dbg(ir->dev, "select %s-range receive sensor",
1023 enable ? "short" : "long");
1024 if (enable) {
1025 ir->wideband_rx_enabled = true;
1026 cmdbuf[2] = 2;
1027 } else {
1028 ir->wideband_rx_enabled = false;
1029 cmdbuf[2] = 1;
1030 }
1031 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
1032
1033
1034 return 0;
1035}
1036
1037
1038
1039
1040
1041
1042static int mceusb_set_rx_carrier_report(struct rc_dev *dev, int enable)
1043{
1044 struct mceusb_dev *ir = dev->priv;
1045 unsigned char cmdbuf[3] = { MCE_CMD_PORT_IR,
1046 MCE_CMD_SETIRRXPORTEN, 0x00 };
1047
1048 dev_dbg(ir->dev, "%s short-range receiver carrier reporting",
1049 enable ? "enable" : "disable");
1050 if (enable) {
1051 ir->carrier_report_enabled = true;
1052 if (!ir->learning_active) {
1053 cmdbuf[2] = 2;
1054 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
1055 }
1056 } else {
1057 ir->carrier_report_enabled = false;
1058
1059
1060
1061
1062
1063 if (ir->learning_active && !ir->wideband_rx_enabled) {
1064 cmdbuf[2] = 1;
1065 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
1066 }
1067 }
1068
1069 return 0;
1070}
1071
1072
1073
1074
1075
1076
1077static void mceusb_handle_command(struct mceusb_dev *ir, int index)
1078{
1079 struct ir_raw_event rawir = {};
1080 u8 hi = ir->buf_in[index + 1] & 0xff;
1081 u8 lo = ir->buf_in[index + 2] & 0xff;
1082 u32 carrier_cycles;
1083 u32 cycles_fix;
1084
1085 switch (ir->buf_in[index]) {
1086
1087 case MCE_RSP_GETPORTSTATUS:
1088 if ((ir->buf_in[index + 4] & 0xff) == 0x00)
1089 ir->txports_cabled |= 1 << hi;
1090 break;
1091
1092
1093 case MCE_RSP_EQIRTIMEOUT:
1094 ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);
1095 break;
1096 case MCE_RSP_EQIRNUMPORTS:
1097 ir->num_txports = hi;
1098 ir->num_rxports = lo;
1099 break;
1100 case MCE_RSP_EQIRRXCFCNT:
1101
1102
1103
1104
1105
1106
1107
1108
1109 if (ir->carrier_report_enabled && ir->learning_active &&
1110 ir->pulse_tunit > 0) {
1111 carrier_cycles = (hi << 8 | lo);
1112
1113
1114
1115
1116 cycles_fix = ir->flags.rx2 == 2 ? ir->pulse_count : 0;
1117 rawir.carrier_report = 1;
1118 rawir.carrier = (1000000u / MCE_TIME_UNIT) *
1119 (carrier_cycles + cycles_fix) /
1120 ir->pulse_tunit;
1121 dev_dbg(ir->dev, "RX carrier frequency %u Hz (pulse count = %u, cycles = %u, duration = %u, rx2 = %u)",
1122 rawir.carrier, ir->pulse_count, carrier_cycles,
1123 ir->pulse_tunit, ir->flags.rx2);
1124 ir_raw_event_store(ir->rc, &rawir);
1125 }
1126 break;
1127
1128
1129 case MCE_RSP_EQEMVER:
1130 ir->emver = hi;
1131 break;
1132 case MCE_RSP_EQIRTXPORTS:
1133 ir->tx_mask = hi;
1134 break;
1135 case MCE_RSP_EQIRRXPORTEN:
1136 ir->learning_active = ((hi & 0x02) == 0x02);
1137 if (ir->rxports_active != hi) {
1138 dev_info(ir->dev, "%s-range (0x%x) receiver active",
1139 ir->learning_active ? "short" : "long", hi);
1140 ir->rxports_active = hi;
1141 }
1142 break;
1143 case MCE_RSP_CMD_ILLEGAL:
1144 ir->need_reset = true;
1145 break;
1146 default:
1147 break;
1148 }
1149}
1150
1151static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
1152{
1153 struct ir_raw_event rawir = {};
1154 bool event = false;
1155 int i = 0;
1156
1157
1158 if (ir->flags.microsoft_gen1)
1159 i = 2;
1160
1161
1162 if (buf_len <= i)
1163 return;
1164
1165 for (; i < buf_len; i++) {
1166 switch (ir->parser_state) {
1167 case SUBCMD:
1168 ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]);
1169 mceusb_dev_printdata(ir, ir->buf_in, buf_len, i - 1,
1170 ir->rem + 2, false);
1171 mceusb_handle_command(ir, i);
1172 ir->parser_state = CMD_DATA;
1173 break;
1174 case PARSE_IRDATA:
1175 ir->rem--;
1176 rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);
1177 rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK);
1178 if (unlikely(!rawir.duration)) {
1179 dev_dbg(ir->dev, "nonsensical irdata %02x with duration 0",
1180 ir->buf_in[i]);
1181 break;
1182 }
1183 if (rawir.pulse) {
1184 ir->pulse_tunit += rawir.duration;
1185 ir->pulse_count++;
1186 }
1187 rawir.duration *= US_TO_NS(MCE_TIME_UNIT);
1188
1189 dev_dbg(ir->dev, "Storing %s %u ns (%02x)",
1190 rawir.pulse ? "pulse" : "space",
1191 rawir.duration, ir->buf_in[i]);
1192
1193 if (ir_raw_event_store_with_filter(ir->rc, &rawir))
1194 event = true;
1195 break;
1196 case CMD_DATA:
1197 ir->rem--;
1198 break;
1199 case CMD_HEADER:
1200
1201
1202 ir->cmd = ir->buf_in[i];
1203 if ((ir->cmd == MCE_CMD_PORT_IR) ||
1204 ((ir->cmd & MCE_PORT_MASK) !=
1205 MCE_COMMAND_IRDATA)) {
1206 ir->parser_state = SUBCMD;
1207 continue;
1208 }
1209 ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK);
1210 mceusb_dev_printdata(ir, ir->buf_in, buf_len,
1211 i, ir->rem + 1, false);
1212 if (ir->rem) {
1213 ir->parser_state = PARSE_IRDATA;
1214 } else {
1215 struct ir_raw_event ev = {
1216 .timeout = 1,
1217 .duration = ir->rc->timeout
1218 };
1219
1220 if (ir_raw_event_store_with_filter(ir->rc,
1221 &ev))
1222 event = true;
1223 ir->pulse_tunit = 0;
1224 ir->pulse_count = 0;
1225 }
1226 break;
1227 }
1228
1229 if (ir->parser_state != CMD_HEADER && !ir->rem)
1230 ir->parser_state = CMD_HEADER;
1231 }
1232 if (event) {
1233 dev_dbg(ir->dev, "processed IR data");
1234 ir_raw_event_handle(ir->rc);
1235 }
1236}
1237
1238static void mceusb_dev_recv(struct urb *urb)
1239{
1240 struct mceusb_dev *ir;
1241
1242 if (!urb)
1243 return;
1244
1245 ir = urb->context;
1246 if (!ir) {
1247 usb_unlink_urb(urb);
1248 return;
1249 }
1250
1251 switch (urb->status) {
1252
1253 case 0:
1254 mceusb_process_ir_data(ir, urb->actual_length);
1255 break;
1256
1257 case -ECONNRESET:
1258 case -ENOENT:
1259 case -EILSEQ:
1260 case -ESHUTDOWN:
1261 usb_unlink_urb(urb);
1262 return;
1263
1264 case -EPIPE:
1265 dev_err(ir->dev, "Error: urb status = %d (RX HALT)",
1266 urb->status);
1267 mceusb_defer_kevent(ir, EVENT_RX_HALT);
1268 return;
1269
1270 default:
1271 dev_err(ir->dev, "Error: urb status = %d", urb->status);
1272 break;
1273 }
1274
1275 usb_submit_urb(urb, GFP_ATOMIC);
1276}
1277
1278static void mceusb_get_emulator_version(struct mceusb_dev *ir)
1279{
1280
1281 ir->emver = 1;
1282 mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER));
1283}
1284
1285static void mceusb_gen1_init(struct mceusb_dev *ir)
1286{
1287 int ret;
1288 struct device *dev = ir->dev;
1289 char *data;
1290
1291 data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL);
1292 if (!data) {
1293 dev_err(dev, "%s: memory allocation failed!", __func__);
1294 return;
1295 }
1296
1297
1298
1299
1300
1301 ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
1302 USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0,
1303 data, USB_CTRL_MSG_SZ, HZ * 3);
1304 dev_dbg(dev, "set address - ret = %d", ret);
1305 dev_dbg(dev, "set address - data[0] = %d, data[1] = %d",
1306 data[0], data[1]);
1307
1308
1309 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1310 USB_REQ_SET_FEATURE, USB_TYPE_VENDOR,
1311 0xc04e, 0x0000, NULL, 0, HZ * 3);
1312
1313 dev_dbg(dev, "set feature - ret = %d", ret);
1314
1315
1316 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1317 4, USB_TYPE_VENDOR,
1318 0x0808, 0x0000, NULL, 0, HZ * 3);
1319 dev_dbg(dev, "set char length - retB = %d", ret);
1320
1321
1322 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1323 2, USB_TYPE_VENDOR,
1324 0x0000, 0x0100, NULL, 0, HZ * 3);
1325 dev_dbg(dev, "set handshake - retC = %d", ret);
1326
1327
1328 mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
1329
1330
1331 mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION));
1332
1333 kfree(data);
1334}
1335
1336static void mceusb_gen2_init(struct mceusb_dev *ir)
1337{
1338
1339 mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
1340
1341
1342 mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));
1343
1344
1345 mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));
1346}
1347
1348static void mceusb_get_parameters(struct mceusb_dev *ir)
1349{
1350 int i;
1351 unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS,
1352 MCE_CMD_GETPORTSTATUS, 0x00 };
1353
1354
1355 ir->num_txports = 2;
1356 ir->num_rxports = 2;
1357
1358
1359 mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));
1360
1361
1362 mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
1363
1364 if (ir->num_txports && !ir->flags.no_tx)
1365
1366 mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
1367
1368
1369 mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
1370
1371
1372 mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));
1373
1374 for (i = 0; i < ir->num_txports; i++) {
1375 cmdbuf[2] = i;
1376 mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
1377 }
1378}
1379
1380static void mceusb_flash_led(struct mceusb_dev *ir)
1381{
1382 if (ir->emver < 2)
1383 return;
1384
1385 mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED));
1386}
1387
1388
1389
1390
1391
1392
1393
1394
1395static void mceusb_deferred_kevent(struct work_struct *work)
1396{
1397 struct mceusb_dev *ir =
1398 container_of(work, struct mceusb_dev, kevent);
1399 int status;
1400
1401 if (test_bit(EVENT_RX_HALT, &ir->kevent_flags)) {
1402 usb_unlink_urb(ir->urb_in);
1403 status = usb_clear_halt(ir->usbdev, ir->pipe_in);
1404 if (status < 0) {
1405 dev_err(ir->dev, "rx clear halt error %d",
1406 status);
1407 }
1408 clear_bit(EVENT_RX_HALT, &ir->kevent_flags);
1409 if (status == 0) {
1410 status = usb_submit_urb(ir->urb_in, GFP_KERNEL);
1411 if (status < 0) {
1412 dev_err(ir->dev,
1413 "rx unhalt submit urb error %d",
1414 status);
1415 }
1416 }
1417 }
1418
1419 if (test_bit(EVENT_TX_HALT, &ir->kevent_flags)) {
1420 status = usb_clear_halt(ir->usbdev, ir->pipe_out);
1421 if (status < 0)
1422 dev_err(ir->dev, "tx clear halt error %d", status);
1423 clear_bit(EVENT_TX_HALT, &ir->kevent_flags);
1424 }
1425}
1426
1427static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
1428{
1429 struct usb_device *udev = ir->usbdev;
1430 struct device *dev = ir->dev;
1431 struct rc_dev *rc;
1432 int ret;
1433
1434 rc = rc_allocate_device(RC_DRIVER_IR_RAW);
1435 if (!rc) {
1436 dev_err(dev, "remote dev allocation failed");
1437 goto out;
1438 }
1439
1440 snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)",
1441 mceusb_model[ir->model].name ?
1442 mceusb_model[ir->model].name :
1443 "Media Center Ed. eHome Infrared Remote Transceiver",
1444 le16_to_cpu(ir->usbdev->descriptor.idVendor),
1445 le16_to_cpu(ir->usbdev->descriptor.idProduct));
1446
1447 usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys));
1448
1449 rc->device_name = ir->name;
1450 rc->input_phys = ir->phys;
1451 usb_to_input_id(ir->usbdev, &rc->input_id);
1452 rc->dev.parent = dev;
1453 rc->priv = ir;
1454 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
1455 rc->min_timeout = US_TO_NS(MCE_TIME_UNIT);
1456 rc->timeout = MS_TO_NS(100);
1457 if (!mceusb_model[ir->model].broken_irtimeout) {
1458 rc->s_timeout = mceusb_set_timeout;
1459 rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
1460 } else {
1461
1462
1463
1464
1465 rc->max_timeout = rc->timeout;
1466 }
1467 if (!ir->flags.no_tx) {
1468 rc->s_tx_mask = mceusb_set_tx_mask;
1469 rc->s_tx_carrier = mceusb_set_tx_carrier;
1470 rc->tx_ir = mceusb_tx_ir;
1471 }
1472 if (ir->flags.rx2 > 0) {
1473 rc->s_learning_mode = mceusb_set_rx_wideband;
1474 rc->s_carrier_report = mceusb_set_rx_carrier_report;
1475 }
1476 rc->driver_name = DRIVER_NAME;
1477
1478 switch (le16_to_cpu(udev->descriptor.idVendor)) {
1479 case VENDOR_HAUPPAUGE:
1480 rc->map_name = RC_MAP_HAUPPAUGE;
1481 break;
1482 case VENDOR_PCTV:
1483 rc->map_name = RC_MAP_PINNACLE_PCTV_HD;
1484 break;
1485 default:
1486 rc->map_name = RC_MAP_RC6_MCE;
1487 }
1488 if (mceusb_model[ir->model].rc_map)
1489 rc->map_name = mceusb_model[ir->model].rc_map;
1490
1491 ret = rc_register_device(rc);
1492 if (ret < 0) {
1493 dev_err(dev, "remote dev registration failed");
1494 goto out;
1495 }
1496
1497 return rc;
1498
1499out:
1500 rc_free_device(rc);
1501 return NULL;
1502}
1503
1504static int mceusb_dev_probe(struct usb_interface *intf,
1505 const struct usb_device_id *id)
1506{
1507 struct usb_device *dev = interface_to_usbdev(intf);
1508 struct usb_host_interface *idesc;
1509 struct usb_endpoint_descriptor *ep = NULL;
1510 struct usb_endpoint_descriptor *ep_in = NULL;
1511 struct usb_endpoint_descriptor *ep_out = NULL;
1512 struct mceusb_dev *ir = NULL;
1513 int pipe, maxp, i, res;
1514 char buf[63], name[128] = "";
1515 enum mceusb_model_type model = id->driver_info;
1516 bool is_gen3;
1517 bool is_microsoft_gen1;
1518 bool tx_mask_normal;
1519 int ir_intfnum;
1520
1521 dev_dbg(&intf->dev, "%s called", __func__);
1522
1523 idesc = intf->cur_altsetting;
1524
1525 is_gen3 = mceusb_model[model].mce_gen3;
1526 is_microsoft_gen1 = mceusb_model[model].mce_gen1;
1527 tx_mask_normal = mceusb_model[model].tx_mask_normal;
1528 ir_intfnum = mceusb_model[model].ir_intfnum;
1529
1530
1531 if (idesc->desc.bInterfaceNumber != ir_intfnum)
1532 return -ENODEV;
1533
1534
1535 for (i = 0; i < idesc->desc.bNumEndpoints; ++i) {
1536 ep = &idesc->endpoint[i].desc;
1537
1538 if (ep_in == NULL) {
1539 if (usb_endpoint_is_bulk_in(ep)) {
1540 ep_in = ep;
1541 dev_dbg(&intf->dev, "acceptable bulk inbound endpoint found\n");
1542 } else if (usb_endpoint_is_int_in(ep)) {
1543 ep_in = ep;
1544 ep_in->bInterval = 1;
1545 dev_dbg(&intf->dev, "acceptable interrupt inbound endpoint found\n");
1546 }
1547 }
1548
1549 if (ep_out == NULL) {
1550 if (usb_endpoint_is_bulk_out(ep)) {
1551 ep_out = ep;
1552 dev_dbg(&intf->dev, "acceptable bulk outbound endpoint found\n");
1553 } else if (usb_endpoint_is_int_out(ep)) {
1554 ep_out = ep;
1555 ep_out->bInterval = 1;
1556 dev_dbg(&intf->dev, "acceptable interrupt outbound endpoint found\n");
1557 }
1558 }
1559 }
1560 if (!ep_in || !ep_out) {
1561 dev_dbg(&intf->dev, "required endpoints not found\n");
1562 return -ENODEV;
1563 }
1564
1565 if (usb_endpoint_xfer_int(ep_in))
1566 pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress);
1567 else
1568 pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress);
1569 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
1570
1571 ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL);
1572 if (!ir)
1573 goto mem_alloc_fail;
1574
1575 ir->pipe_in = pipe;
1576 ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in);
1577 if (!ir->buf_in)
1578 goto buf_in_alloc_fail;
1579
1580 ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
1581 if (!ir->urb_in)
1582 goto urb_in_alloc_fail;
1583
1584 ir->usbdev = usb_get_dev(dev);
1585 ir->dev = &intf->dev;
1586 ir->len_in = maxp;
1587 ir->flags.microsoft_gen1 = is_microsoft_gen1;
1588 ir->flags.tx_mask_normal = tx_mask_normal;
1589 ir->flags.no_tx = mceusb_model[model].no_tx;
1590 ir->flags.rx2 = mceusb_model[model].rx2;
1591 ir->model = model;
1592
1593
1594 ir->usb_ep_out = ep_out;
1595 if (usb_endpoint_xfer_int(ep_out))
1596 ir->pipe_out = usb_sndintpipe(ir->usbdev,
1597 ep_out->bEndpointAddress);
1598 else
1599 ir->pipe_out = usb_sndbulkpipe(ir->usbdev,
1600 ep_out->bEndpointAddress);
1601
1602 if (dev->descriptor.iManufacturer
1603 && usb_string(dev, dev->descriptor.iManufacturer,
1604 buf, sizeof(buf)) > 0)
1605 strscpy(name, buf, sizeof(name));
1606 if (dev->descriptor.iProduct
1607 && usb_string(dev, dev->descriptor.iProduct,
1608 buf, sizeof(buf)) > 0)
1609 snprintf(name + strlen(name), sizeof(name) - strlen(name),
1610 " %s", buf);
1611
1612
1613
1614
1615
1616 INIT_WORK(&ir->kevent, mceusb_deferred_kevent);
1617
1618 ir->rc = mceusb_init_rc_dev(ir);
1619 if (!ir->rc)
1620 goto rc_dev_fail;
1621
1622
1623 if (usb_endpoint_xfer_int(ep_in))
1624 usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp,
1625 mceusb_dev_recv, ir, ep_in->bInterval);
1626 else
1627 usb_fill_bulk_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp,
1628 mceusb_dev_recv, ir);
1629
1630 ir->urb_in->transfer_dma = ir->dma_in;
1631 ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1632
1633
1634 dev_dbg(&intf->dev, "Flushing receive buffers");
1635 res = usb_submit_urb(ir->urb_in, GFP_KERNEL);
1636 if (res)
1637 dev_err(&intf->dev, "failed to flush buffers: %d", res);
1638
1639
1640 mceusb_get_emulator_version(ir);
1641
1642
1643 if (ir->flags.microsoft_gen1)
1644 mceusb_gen1_init(ir);
1645 else if (!is_gen3)
1646 mceusb_gen2_init(ir);
1647
1648 mceusb_get_parameters(ir);
1649
1650 mceusb_flash_led(ir);
1651
1652 if (!ir->flags.no_tx)
1653 mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK);
1654
1655 usb_set_intfdata(intf, ir);
1656
1657
1658 device_set_wakeup_capable(ir->dev, true);
1659 device_set_wakeup_enable(ir->dev, true);
1660
1661 dev_info(&intf->dev, "Registered %s with mce emulator interface version %x",
1662 name, ir->emver);
1663 dev_info(&intf->dev, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)",
1664 ir->num_txports, ir->txports_cabled,
1665 ir->num_rxports, ir->rxports_active);
1666
1667 return 0;
1668
1669
1670rc_dev_fail:
1671 cancel_work_sync(&ir->kevent);
1672 usb_put_dev(ir->usbdev);
1673 usb_kill_urb(ir->urb_in);
1674 usb_free_urb(ir->urb_in);
1675urb_in_alloc_fail:
1676 usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in);
1677buf_in_alloc_fail:
1678 kfree(ir);
1679mem_alloc_fail:
1680 dev_err(&intf->dev, "%s: device setup failed!", __func__);
1681
1682 return -ENOMEM;
1683}
1684
1685
1686static void mceusb_dev_disconnect(struct usb_interface *intf)
1687{
1688 struct usb_device *dev = interface_to_usbdev(intf);
1689 struct mceusb_dev *ir = usb_get_intfdata(intf);
1690
1691 usb_set_intfdata(intf, NULL);
1692
1693 if (!ir)
1694 return;
1695
1696 ir->usbdev = NULL;
1697 cancel_work_sync(&ir->kevent);
1698 rc_unregister_device(ir->rc);
1699 usb_kill_urb(ir->urb_in);
1700 usb_free_urb(ir->urb_in);
1701 usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in);
1702 usb_put_dev(dev);
1703
1704 kfree(ir);
1705}
1706
1707static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message)
1708{
1709 struct mceusb_dev *ir = usb_get_intfdata(intf);
1710 dev_info(ir->dev, "suspend");
1711 usb_kill_urb(ir->urb_in);
1712 return 0;
1713}
1714
1715static int mceusb_dev_resume(struct usb_interface *intf)
1716{
1717 struct mceusb_dev *ir = usb_get_intfdata(intf);
1718 dev_info(ir->dev, "resume");
1719 if (usb_submit_urb(ir->urb_in, GFP_ATOMIC))
1720 return -EIO;
1721 return 0;
1722}
1723
1724static struct usb_driver mceusb_dev_driver = {
1725 .name = DRIVER_NAME,
1726 .probe = mceusb_dev_probe,
1727 .disconnect = mceusb_dev_disconnect,
1728 .suspend = mceusb_dev_suspend,
1729 .resume = mceusb_dev_resume,
1730 .reset_resume = mceusb_dev_resume,
1731 .id_table = mceusb_dev_table
1732};
1733
1734module_usb_driver(mceusb_dev_driver);
1735
1736MODULE_DESCRIPTION(DRIVER_DESC);
1737MODULE_AUTHOR(DRIVER_AUTHOR);
1738MODULE_LICENSE("GPL");
1739MODULE_DEVICE_TABLE(usb, mceusb_dev_table);
1740