1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
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 "1.95"
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_TX_TIMEOUT 1000
41#define USB_CTRL_MSG_SZ 2
42#define MCE_G1_INIT_MSGS 40
43
44
45#define MCE_IRBUF_SIZE 128
46#define MCE_TIME_UNIT 50
47#define MCE_PACKET_SIZE 31
48#define MCE_IRDATA_HEADER (0x80 + MCE_PACKET_SIZE - 1)
49
50#define MCE_IRDATA_TRAILER 0x80
51#define MCE_MAX_CHANNELS 2
52#define MCE_DEFAULT_TX_MASK 0x03
53#define MCE_PULSE_BIT 0x80
54#define MCE_PULSE_MASK 0x7f
55#define MCE_MAX_PULSE_LENGTH 0x7f
56
57
58
59
60
61
62
63
64
65
66
67
68
69#define MCE_CMD 0x1f
70#define MCE_PORT_IR 0x4
71#define MCE_PORT_SYS 0x7
72#define MCE_PORT_SER 0x6
73#define MCE_PORT_MASK 0xe0
74
75
76#define MCE_CMD_PORT_IR 0x9f
77#define MCE_CMD_PORT_SYS 0xff
78
79
80#define MCE_CMD_RESET 0xfe
81#define MCE_CMD_RESUME 0xaa
82#define MCE_CMD_SETIRCFS 0x06
83#define MCE_CMD_SETIRTIMEOUT 0x0c
84#define MCE_CMD_SETIRTXPORTS 0x08
85#define MCE_CMD_SETIRRXPORTEN 0x14
86#define MCE_CMD_FLASHLED 0x23
87
88
89#define MCE_CMD_GETIRCFS 0x07
90#define MCE_CMD_GETIRTIMEOUT 0x0d
91#define MCE_CMD_GETIRTXPORTS 0x13
92#define MCE_CMD_GETIRRXPORTEN 0x15
93#define MCE_CMD_GETPORTSTATUS 0x11
94#define MCE_CMD_GETIRNUMPORTS 0x16
95#define MCE_CMD_GETWAKESOURCE 0x17
96#define MCE_CMD_GETEMVER 0x22
97#define MCE_CMD_GETDEVDETAILS 0x21
98#define MCE_CMD_GETWAKESUPPORT 0x20
99#define MCE_CMD_GETWAKEVERSION 0x18
100
101
102#define MCE_CMD_NOP 0xff
103
104
105#define MCE_RSP_EQIRCFS 0x06
106#define MCE_RSP_EQIRTIMEOUT 0x0c
107#define MCE_RSP_GETWAKESOURCE 0x17
108#define MCE_RSP_EQIRTXPORTS 0x08
109#define MCE_RSP_EQIRRXPORTEN 0x14
110#define MCE_RSP_GETPORTSTATUS 0x11
111#define MCE_RSP_EQIRRXCFCNT 0x15
112#define MCE_RSP_EQIRNUMPORTS 0x16
113#define MCE_RSP_EQWAKESUPPORT 0x20
114#define MCE_RSP_EQWAKEVERSION 0x18
115#define MCE_RSP_EQDEVDETAILS 0x21
116#define MCE_RSP_EQEMVER 0x22
117#define MCE_RSP_FLASHLED 0x23
118
119
120#define MCE_RSP_CMD_ILLEGAL 0xfe
121#define MCE_RSP_TX_TIMEOUT 0x81
122
123
124#define MCE_CMD_SIG_END 0x01
125#define MCE_CMD_PING 0x03
126#define MCE_CMD_UNKNOWN 0x04
127#define MCE_CMD_UNKNOWN2 0x05
128#define MCE_CMD_UNKNOWN3 0x09
129#define MCE_CMD_UNKNOWN4 0x0a
130#define MCE_CMD_G_REVISION 0x0b
131#define MCE_CMD_UNKNOWN5 0x0e
132#define MCE_CMD_UNKNOWN6 0x0f
133#define MCE_CMD_UNKNOWN8 0x19
134#define MCE_CMD_UNKNOWN9 0x1b
135#define MCE_CMD_NULL 0x00
136
137
138
139#define MCE_COMMAND_IRDATA 0x80
140#define MCE_PACKET_LENGTH_MASK 0x1f
141
142#define VENDOR_PHILIPS 0x0471
143#define VENDOR_SMK 0x0609
144#define VENDOR_TATUNG 0x1460
145#define VENDOR_GATEWAY 0x107b
146#define VENDOR_SHUTTLE 0x1308
147#define VENDOR_SHUTTLE2 0x051c
148#define VENDOR_MITSUMI 0x03ee
149#define VENDOR_TOPSEED 0x1784
150#define VENDOR_RICAVISION 0x179d
151#define VENDOR_ITRON 0x195d
152#define VENDOR_FIC 0x1509
153#define VENDOR_LG 0x043e
154#define VENDOR_MICROSOFT 0x045e
155#define VENDOR_FORMOSA 0x147a
156#define VENDOR_FINTEK 0x1934
157#define VENDOR_PINNACLE 0x2304
158#define VENDOR_ECS 0x1019
159#define VENDOR_WISTRON 0x0fb8
160#define VENDOR_COMPRO 0x185b
161#define VENDOR_NORTHSTAR 0x04eb
162#define VENDOR_REALTEK 0x0bda
163#define VENDOR_TIVO 0x105a
164#define VENDOR_CONEXANT 0x0572
165#define VENDOR_TWISTEDMELON 0x2596
166#define VENDOR_HAUPPAUGE 0x2040
167#define VENDOR_PCTV 0x2013
168#define VENDOR_ADAPTEC 0x03f3
169
170enum mceusb_model_type {
171 MCE_GEN2 = 0,
172 MCE_GEN1,
173 MCE_GEN3,
174 MCE_GEN3_BROKEN_IRTIMEOUT,
175 MCE_GEN2_TX_INV,
176 MCE_GEN2_TX_INV_RX_GOOD,
177 POLARIS_EVK,
178 CX_HYBRID_TV,
179 MULTIFUNCTION,
180 TIVO_KIT,
181 MCE_GEN2_NO_TX,
182 HAUPPAUGE_CX_HYBRID_TV,
183 EVROMEDIA_FULL_HYBRID_FULLHD,
184 ASTROMETA_T2HYBRID,
185};
186
187struct mceusb_model {
188 u32 mce_gen1:1;
189 u32 mce_gen2:1;
190 u32 mce_gen3:1;
191 u32 tx_mask_normal:1;
192 u32 no_tx:1;
193 u32 broken_irtimeout:1;
194
195
196
197
198
199
200 u32 rx2;
201
202 int ir_intfnum;
203
204 const char *rc_map;
205 const char *name;
206};
207
208static const struct mceusb_model mceusb_model[] = {
209 [MCE_GEN1] = {
210 .mce_gen1 = 1,
211 .tx_mask_normal = 1,
212 .rx2 = 2,
213 },
214 [MCE_GEN2] = {
215 .mce_gen2 = 1,
216 .rx2 = 2,
217 },
218 [MCE_GEN2_NO_TX] = {
219 .mce_gen2 = 1,
220 .no_tx = 1,
221 },
222 [MCE_GEN2_TX_INV] = {
223 .mce_gen2 = 1,
224 .tx_mask_normal = 1,
225 .rx2 = 1,
226 },
227 [MCE_GEN2_TX_INV_RX_GOOD] = {
228 .mce_gen2 = 1,
229 .tx_mask_normal = 1,
230 .rx2 = 2,
231 },
232 [MCE_GEN3] = {
233 .mce_gen3 = 1,
234 .tx_mask_normal = 1,
235 .rx2 = 2,
236 },
237 [MCE_GEN3_BROKEN_IRTIMEOUT] = {
238 .mce_gen3 = 1,
239 .tx_mask_normal = 1,
240 .rx2 = 2,
241 .broken_irtimeout = 1
242 },
243 [POLARIS_EVK] = {
244
245
246
247
248
249 .name = "Conexant Hybrid TV (cx231xx) MCE IR",
250 .rx2 = 2,
251 },
252 [CX_HYBRID_TV] = {
253 .no_tx = 1,
254 .name = "Conexant Hybrid TV (cx231xx) MCE IR",
255 },
256 [HAUPPAUGE_CX_HYBRID_TV] = {
257 .no_tx = 1,
258 .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX",
259 },
260 [MULTIFUNCTION] = {
261 .mce_gen2 = 1,
262 .ir_intfnum = 2,
263 .rx2 = 2,
264 },
265 [TIVO_KIT] = {
266 .mce_gen2 = 1,
267 .rc_map = RC_MAP_TIVO,
268 .rx2 = 2,
269 },
270 [EVROMEDIA_FULL_HYBRID_FULLHD] = {
271 .name = "Evromedia USB Full Hybrid Full HD",
272 .no_tx = 1,
273 .rc_map = RC_MAP_MSI_DIGIVOX_III,
274 },
275 [ASTROMETA_T2HYBRID] = {
276 .name = "Astrometa T2Hybrid",
277 .no_tx = 1,
278 .rc_map = RC_MAP_ASTROMETA_T2HYBRID,
279 }
280};
281
282static const struct usb_device_id mceusb_dev_table[] = {
283
284 { USB_DEVICE(VENDOR_MICROSOFT, 0x006d),
285 .driver_info = MCE_GEN1 },
286
287 { USB_DEVICE(VENDOR_PHILIPS, 0x0608) },
288
289 { USB_DEVICE(VENDOR_PHILIPS, 0x060c),
290 .driver_info = MCE_GEN2_TX_INV },
291
292 { USB_DEVICE(VENDOR_PHILIPS, 0x060d) },
293
294 { USB_DEVICE(VENDOR_PHILIPS, 0x060f) },
295
296 { USB_DEVICE(VENDOR_PHILIPS, 0x0613) },
297
298 { USB_DEVICE(VENDOR_PHILIPS, 0x0815) },
299
300 { USB_DEVICE(VENDOR_PHILIPS, 0x206c) },
301
302 { USB_DEVICE(VENDOR_PHILIPS, 0x2088) },
303
304 { USB_DEVICE(VENDOR_PHILIPS, 0x2093),
305 .driver_info = MCE_GEN2_TX_INV },
306
307 { USB_DEVICE(VENDOR_REALTEK, 0x0161),
308 .driver_info = MULTIFUNCTION },
309
310 { USB_DEVICE(VENDOR_SMK, 0x031d),
311 .driver_info = MCE_GEN2_TX_INV_RX_GOOD },
312
313 { USB_DEVICE(VENDOR_SMK, 0x0322),
314 .driver_info = MCE_GEN2_TX_INV },
315
316 { USB_DEVICE(VENDOR_SMK, 0x0334),
317 .driver_info = MCE_GEN2_TX_INV },
318
319 { USB_DEVICE(VENDOR_SMK, 0x0338) },
320
321 { USB_DEVICE(VENDOR_SMK, 0x0353),
322 .driver_info = MCE_GEN2_NO_TX },
323
324 { USB_DEVICE(VENDOR_SMK, 0x0357),
325 .driver_info = MCE_GEN2_NO_TX },
326
327 { USB_DEVICE(VENDOR_TATUNG, 0x9150) },
328
329 { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) },
330
331 { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) },
332
333 { USB_DEVICE(VENDOR_GATEWAY, 0x3009) },
334
335 { USB_DEVICE(VENDOR_MITSUMI, 0x2501) },
336
337 { USB_DEVICE(VENDOR_TOPSEED, 0x0001),
338 .driver_info = MCE_GEN2_TX_INV },
339
340 { USB_DEVICE(VENDOR_TOPSEED, 0x0006),
341 .driver_info = MCE_GEN2_TX_INV },
342
343 { USB_DEVICE(VENDOR_TOPSEED, 0x0007),
344 .driver_info = MCE_GEN2_TX_INV },
345
346 { USB_DEVICE(VENDOR_TOPSEED, 0x0008),
347 .driver_info = MCE_GEN3 },
348
349 { USB_DEVICE(VENDOR_TOPSEED, 0x000a),
350 .driver_info = MCE_GEN2_TX_INV },
351
352 { USB_DEVICE(VENDOR_TOPSEED, 0x0011),
353 .driver_info = MCE_GEN3_BROKEN_IRTIMEOUT },
354
355 { USB_DEVICE(VENDOR_RICAVISION, 0x0010) },
356
357 { USB_DEVICE(VENDOR_ITRON, 0x7002) },
358
359 { USB_DEVICE(VENDOR_FIC, 0x9242) },
360
361 { USB_DEVICE(VENDOR_LG, 0x9803) },
362
363 { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) },
364
365 { USB_DEVICE(VENDOR_FORMOSA, 0xe015) },
366
367 { USB_DEVICE(VENDOR_FORMOSA, 0xe016) },
368
369 { USB_DEVICE(VENDOR_FORMOSA, 0xe017),
370 .driver_info = MCE_GEN2_NO_TX },
371
372 { USB_DEVICE(VENDOR_FORMOSA, 0xe018) },
373
374 { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) },
375
376 { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) },
377
378 { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) },
379
380 { USB_DEVICE(VENDOR_FORMOSA, 0xe042) },
381
382 { USB_DEVICE(VENDOR_FINTEK, 0x5168),
383 .driver_info = MCE_GEN2_TX_INV },
384
385 { USB_DEVICE(VENDOR_FINTEK, 0x0602) },
386
387 { USB_DEVICE(VENDOR_FINTEK, 0x0702) },
388
389 { USB_DEVICE(VENDOR_PINNACLE, 0x0225),
390 .driver_info = MCE_GEN3 },
391
392 { USB_DEVICE(VENDOR_ECS, 0x0f38) },
393
394 { USB_DEVICE(VENDOR_WISTRON, 0x0002) },
395
396 { USB_DEVICE(VENDOR_COMPRO, 0x3020) },
397
398 { USB_DEVICE(VENDOR_COMPRO, 0x3082) },
399
400 { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) },
401
402 { USB_DEVICE(VENDOR_TIVO, 0x2000),
403 .driver_info = TIVO_KIT },
404
405 { USB_DEVICE(VENDOR_CONEXANT, 0x58a1),
406 .driver_info = POLARIS_EVK },
407
408 { USB_DEVICE(VENDOR_CONEXANT, 0x58a5),
409 .driver_info = CX_HYBRID_TV },
410
411 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) },
412
413 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) },
414
415 { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) },
416
417 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130),
418 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
419 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb131),
420 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
421 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb138),
422 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
423 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb139),
424 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
425
426 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb151),
427 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
428
429 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb123),
430 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
431
432 { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb150),
433 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
434 { USB_DEVICE(VENDOR_PCTV, 0x0259),
435 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
436 { USB_DEVICE(VENDOR_PCTV, 0x025e),
437 .driver_info = HAUPPAUGE_CX_HYBRID_TV },
438
439 { USB_DEVICE(VENDOR_ADAPTEC, 0x0094) },
440
441 { USB_DEVICE(0x1b80, 0xd3b2),
442 .driver_info = EVROMEDIA_FULL_HYBRID_FULLHD },
443
444 { USB_DEVICE(0x15f4, 0x0135),
445 .driver_info = ASTROMETA_T2HYBRID },
446
447
448 { }
449};
450
451
452struct mceusb_dev {
453
454 struct rc_dev *rc;
455
456
457 bool carrier_report_enabled;
458 bool wideband_rx_enabled;
459
460
461 struct device *dev;
462
463
464 struct usb_device *usbdev;
465 struct usb_interface *usbintf;
466 struct urb *urb_in;
467 unsigned int pipe_in;
468 struct usb_endpoint_descriptor *usb_ep_out;
469 unsigned int pipe_out;
470
471
472 unsigned char *buf_in;
473 unsigned int len_in;
474 dma_addr_t dma_in;
475
476 enum {
477 CMD_HEADER = 0,
478 SUBCMD,
479 CMD_DATA,
480 PARSE_IRDATA,
481 } parser_state;
482
483 u8 cmd, rem;
484
485 struct {
486 u32 connected:1;
487 u32 tx_mask_normal:1;
488 u32 microsoft_gen1:1;
489 u32 no_tx:1;
490 u32 rx2;
491 } flags;
492
493
494 u32 carrier;
495 unsigned char tx_mask;
496
497 char name[128];
498 char phys[64];
499 enum mceusb_model_type model;
500
501 bool need_reset;
502 u8 emver;
503 u8 num_txports;
504 u8 num_rxports;
505 u8 txports_cabled;
506 u8 rxports_active;
507 bool learning_active;
508
509
510 u32 pulse_tunit;
511 u32 pulse_count;
512
513
514
515
516
517
518 struct work_struct kevent;
519 unsigned long kevent_flags;
520# define EVENT_TX_HALT 0
521# define EVENT_RX_HALT 1
522# define EVENT_RST_PEND 31
523};
524
525
526static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS,
527 MCE_CMD_RESUME};
528static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION};
529static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER};
530static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION};
531static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED};
532static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2};
533static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS};
534static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT};
535static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS};
536static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS};
537static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN};
538
539
540
541
542
543
544
545
546
547
548
549static int mceusb_cmd_datasize(u8 cmd, u8 subcmd)
550{
551 int datasize = 0;
552
553 switch (cmd) {
554 case MCE_CMD_NULL:
555 if (subcmd == MCE_CMD_PORT_SYS)
556 datasize = 1;
557 break;
558 case MCE_CMD_PORT_SYS:
559 switch (subcmd) {
560 case MCE_RSP_GETPORTSTATUS:
561 datasize = 5;
562 break;
563 case MCE_RSP_EQWAKEVERSION:
564 datasize = 4;
565 break;
566 case MCE_CMD_G_REVISION:
567 datasize = 4;
568 break;
569 case MCE_RSP_EQWAKESUPPORT:
570 case MCE_RSP_GETWAKESOURCE:
571 case MCE_RSP_EQDEVDETAILS:
572 case MCE_RSP_EQEMVER:
573 datasize = 1;
574 break;
575 }
576 break;
577 case MCE_CMD_PORT_IR:
578 switch (subcmd) {
579 case MCE_CMD_UNKNOWN:
580 case MCE_RSP_EQIRCFS:
581 case MCE_RSP_EQIRTIMEOUT:
582 case MCE_RSP_EQIRRXCFCNT:
583 case MCE_RSP_EQIRNUMPORTS:
584 datasize = 2;
585 break;
586 case MCE_CMD_SIG_END:
587 case MCE_RSP_EQIRTXPORTS:
588 case MCE_RSP_EQIRRXPORTEN:
589 datasize = 1;
590 break;
591 }
592 }
593 return datasize;
594}
595
596static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len,
597 int offset, int len, bool out)
598{
599#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
600 char *inout;
601 u8 cmd, subcmd, *data;
602 struct device *dev = ir->dev;
603 u32 carrier, period;
604
605 if (offset < 0 || offset >= buf_len)
606 return;
607
608 dev_dbg(dev, "%cx data[%d]: %*ph (len=%d sz=%d)",
609 (out ? 't' : 'r'), offset,
610 min(len, buf_len - offset), buf + offset, len, buf_len);
611
612 inout = out ? "Request" : "Got";
613
614 cmd = buf[offset];
615 subcmd = (offset + 1 < buf_len) ? buf[offset + 1] : 0;
616 data = &buf[offset] + 2;
617
618
619 if (ir->flags.microsoft_gen1 && !out && !offset) {
620 dev_dbg(dev, "MCE gen 1 header");
621 return;
622 }
623
624
625 if (cmd != MCE_CMD_PORT_IR &&
626 (cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA) {
627 if (cmd == MCE_IRDATA_TRAILER)
628 dev_dbg(dev, "End of raw IR data");
629 else
630 dev_dbg(dev, "Raw IR data, %d pulse/space samples",
631 cmd & MCE_PACKET_LENGTH_MASK);
632 return;
633 }
634
635
636 if (offset + len > buf_len)
637 return;
638
639
640 switch (cmd) {
641 case MCE_CMD_NULL:
642 if (subcmd == MCE_CMD_NULL)
643 break;
644 if ((subcmd == MCE_CMD_PORT_SYS) &&
645 (data[0] == MCE_CMD_RESUME))
646 dev_dbg(dev, "Device resume requested");
647 else
648 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
649 cmd, subcmd);
650 break;
651 case MCE_CMD_PORT_SYS:
652 switch (subcmd) {
653 case MCE_RSP_EQEMVER:
654 if (!out)
655 dev_dbg(dev, "Emulator interface version %x",
656 data[0]);
657 break;
658 case MCE_CMD_G_REVISION:
659 if (len == 2)
660 dev_dbg(dev, "Get hw/sw rev?");
661 else
662 dev_dbg(dev, "hw/sw rev %*ph",
663 4, &buf[offset + 2]);
664 break;
665 case MCE_CMD_RESUME:
666 dev_dbg(dev, "Device resume requested");
667 break;
668 case MCE_RSP_CMD_ILLEGAL:
669 dev_dbg(dev, "Illegal PORT_SYS command");
670 break;
671 case MCE_RSP_EQWAKEVERSION:
672 if (!out)
673 dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x",
674 data[0], data[1], data[2], data[3]);
675 break;
676 case MCE_RSP_GETPORTSTATUS:
677 if (!out)
678
679 dev_dbg(dev, "TX port %d: blaster is%s connected",
680 data[0] + 1, data[3] ? " not" : "");
681 break;
682 case MCE_CMD_FLASHLED:
683 dev_dbg(dev, "Attempting to flash LED");
684 break;
685 default:
686 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
687 cmd, subcmd);
688 break;
689 }
690 break;
691 case MCE_CMD_PORT_IR:
692 switch (subcmd) {
693 case MCE_CMD_SIG_END:
694 dev_dbg(dev, "End of signal");
695 break;
696 case MCE_CMD_PING:
697 dev_dbg(dev, "Ping");
698 break;
699 case MCE_CMD_UNKNOWN:
700 dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x",
701 data[0], data[1]);
702 break;
703 case MCE_RSP_EQIRCFS:
704 if (!data[0] && !data[1]) {
705 dev_dbg(dev, "%s: no carrier", inout);
706 break;
707 }
708
709 if (data[0] > 8)
710 break;
711 period = DIV_ROUND_CLOSEST((1U << data[0] * 2) *
712 (data[1] + 1), 10);
713 if (!period)
714 break;
715 carrier = USEC_PER_SEC / period;
716 dev_dbg(dev, "%s carrier of %u Hz (period %uus)",
717 inout, carrier, period);
718 break;
719 case MCE_CMD_GETIRCFS:
720 dev_dbg(dev, "Get carrier mode and freq");
721 break;
722 case MCE_RSP_EQIRTXPORTS:
723 dev_dbg(dev, "%s transmit blaster mask of 0x%02x",
724 inout, data[0]);
725 break;
726 case MCE_RSP_EQIRTIMEOUT:
727
728 period = ((data[0] << 8) | data[1]) *
729 MCE_TIME_UNIT / 1000;
730 dev_dbg(dev, "%s receive timeout of %d ms",
731 inout, period);
732 break;
733 case MCE_CMD_GETIRTIMEOUT:
734 dev_dbg(dev, "Get receive timeout");
735 break;
736 case MCE_CMD_GETIRTXPORTS:
737 dev_dbg(dev, "Get transmit blaster mask");
738 break;
739 case MCE_RSP_EQIRRXPORTEN:
740 dev_dbg(dev, "%s %s-range receive sensor in use",
741 inout, data[0] == 0x02 ? "short" : "long");
742 break;
743 case MCE_CMD_GETIRRXPORTEN:
744
745 if (out)
746 dev_dbg(dev, "Get receive sensor");
747 else
748 dev_dbg(dev, "RX carrier cycle count: %d",
749 ((data[0] << 8) | data[1]));
750 break;
751 case MCE_RSP_EQIRNUMPORTS:
752 if (out)
753 break;
754 dev_dbg(dev, "Num TX ports: %x, num RX ports: %x",
755 data[0], data[1]);
756 break;
757 case MCE_RSP_CMD_ILLEGAL:
758 dev_dbg(dev, "Illegal PORT_IR command");
759 break;
760 case MCE_RSP_TX_TIMEOUT:
761 dev_dbg(dev, "IR TX timeout (TX buffer underrun)");
762 break;
763 default:
764 dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
765 cmd, subcmd);
766 break;
767 }
768 break;
769 default:
770 break;
771 }
772#endif
773}
774
775
776
777
778
779
780
781static void mceusb_defer_kevent(struct mceusb_dev *ir, int kevent)
782{
783 set_bit(kevent, &ir->kevent_flags);
784
785 if (test_bit(EVENT_RST_PEND, &ir->kevent_flags)) {
786 dev_dbg(ir->dev, "kevent %d dropped pending USB Reset Device",
787 kevent);
788 return;
789 }
790
791 if (!schedule_work(&ir->kevent))
792 dev_dbg(ir->dev, "kevent %d already scheduled", kevent);
793 else
794 dev_dbg(ir->dev, "kevent %d scheduled", kevent);
795}
796
797static void mce_write_callback(struct urb *urb)
798{
799 if (!urb)
800 return;
801
802 complete(urb->context);
803}
804
805
806
807
808
809
810
811static int mce_write(struct mceusb_dev *ir, u8 *data, int size)
812{
813 int ret;
814 struct urb *urb;
815 struct device *dev = ir->dev;
816 unsigned char *buf_out;
817 struct completion tx_done;
818 unsigned long expire;
819 unsigned long ret_wait;
820
821 mceusb_dev_printdata(ir, data, size, 0, size, true);
822
823 urb = usb_alloc_urb(0, GFP_KERNEL);
824 if (unlikely(!urb)) {
825 dev_err(dev, "Error: mce write couldn't allocate urb");
826 return -ENOMEM;
827 }
828
829 buf_out = kmalloc(size, GFP_KERNEL);
830 if (!buf_out) {
831 usb_free_urb(urb);
832 return -ENOMEM;
833 }
834
835 init_completion(&tx_done);
836
837
838 if (usb_endpoint_xfer_int(ir->usb_ep_out))
839 usb_fill_int_urb(urb, ir->usbdev, ir->pipe_out,
840 buf_out, size, mce_write_callback, &tx_done,
841 ir->usb_ep_out->bInterval);
842 else
843 usb_fill_bulk_urb(urb, ir->usbdev, ir->pipe_out,
844 buf_out, size, mce_write_callback, &tx_done);
845 memcpy(buf_out, data, size);
846
847 ret = usb_submit_urb(urb, GFP_KERNEL);
848 if (ret) {
849 dev_err(dev, "Error: mce write submit urb error = %d", ret);
850 kfree(buf_out);
851 usb_free_urb(urb);
852 return ret;
853 }
854
855 expire = msecs_to_jiffies(USB_TX_TIMEOUT);
856 ret_wait = wait_for_completion_timeout(&tx_done, expire);
857 if (!ret_wait) {
858 dev_err(dev, "Error: mce write timed out (expire = %lu (%dms))",
859 expire, USB_TX_TIMEOUT);
860 usb_kill_urb(urb);
861 ret = (urb->status == -ENOENT ? -ETIMEDOUT : urb->status);
862 } else {
863 ret = urb->status;
864 }
865 if (ret >= 0)
866 ret = urb->actual_length;
867
868 switch (urb->status) {
869
870 case 0:
871 break;
872
873 case -ECONNRESET:
874 case -ENOENT:
875 case -EILSEQ:
876 case -ESHUTDOWN:
877 break;
878
879 case -EPIPE:
880 dev_err(ir->dev, "Error: mce write urb status = %d (TX HALT)",
881 urb->status);
882 mceusb_defer_kevent(ir, EVENT_TX_HALT);
883 break;
884
885 default:
886 dev_err(ir->dev, "Error: mce write urb status = %d",
887 urb->status);
888 break;
889 }
890
891 dev_dbg(dev, "tx done status = %d (wait = %lu, expire = %lu (%dms), urb->actual_length = %d, urb->status = %d)",
892 ret, ret_wait, expire, USB_TX_TIMEOUT,
893 urb->actual_length, urb->status);
894
895 kfree(buf_out);
896 usb_free_urb(urb);
897
898 return ret;
899}
900
901static void mce_command_out(struct mceusb_dev *ir, u8 *data, int size)
902{
903 int rsize = sizeof(DEVICE_RESUME);
904
905 if (ir->need_reset) {
906 ir->need_reset = false;
907 mce_write(ir, DEVICE_RESUME, rsize);
908 msleep(10);
909 }
910
911 mce_write(ir, data, size);
912 msleep(10);
913}
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
933{
934 struct mceusb_dev *ir = dev->priv;
935 u8 cmdbuf[3] = { MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00 };
936 u8 irbuf[MCE_IRBUF_SIZE];
937 int ircount = 0;
938 unsigned int irsample;
939 int i, length, ret;
940
941
942 cmdbuf[2] = ir->tx_mask;
943 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
944
945
946 for (i = 0; i < count; i++) {
947 irsample = txbuf[i] / MCE_TIME_UNIT;
948
949
950 while (irsample > 0) {
951
952 if (ircount % MCE_PACKET_SIZE == 0) {
953
954 if (ircount >= MCE_IRBUF_SIZE - 1) {
955
956 ret = mce_write(ir, irbuf, ircount);
957 if (ret < 0)
958 return ret;
959 ircount = 0;
960 }
961 irbuf[ircount++] = MCE_IRDATA_HEADER;
962 }
963
964
965 if (irsample <= MCE_MAX_PULSE_LENGTH) {
966 irbuf[ircount] = irsample;
967 irsample = 0;
968 } else {
969 irbuf[ircount] = MCE_MAX_PULSE_LENGTH;
970 irsample -= MCE_MAX_PULSE_LENGTH;
971 }
972
973
974
975
976 irbuf[ircount] |= (i & 1 ? 0 : MCE_PULSE_BIT);
977 ircount++;
978
979
980 if (ircount >= MCE_IRBUF_SIZE) {
981
982 length = ircount % MCE_PACKET_SIZE;
983 if (length > 0)
984 irbuf[ircount - length] -=
985 MCE_PACKET_SIZE - length;
986
987 ret = mce_write(ir, irbuf, ircount);
988 if (ret < 0)
989 return ret;
990 ircount = 0;
991 }
992 }
993 }
994
995
996 length = ircount % MCE_PACKET_SIZE;
997 if (length > 0)
998 irbuf[ircount - length] -= MCE_PACKET_SIZE - length;
999
1000
1001 irbuf[ircount++] = MCE_IRDATA_TRAILER;
1002
1003
1004 ret = mce_write(ir, irbuf, ircount);
1005 if (ret < 0)
1006 return ret;
1007
1008 return count;
1009}
1010
1011
1012static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask)
1013{
1014 struct mceusb_dev *ir = dev->priv;
1015
1016
1017 int emitters = ir->num_txports ? ir->num_txports : 2;
1018
1019 if (mask >= (1 << emitters))
1020 return emitters;
1021
1022 if (ir->flags.tx_mask_normal)
1023 ir->tx_mask = mask;
1024 else
1025 ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ?
1026 mask ^ MCE_DEFAULT_TX_MASK : mask) << 1;
1027
1028 return 0;
1029}
1030
1031
1032static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
1033{
1034 struct mceusb_dev *ir = dev->priv;
1035 int clk = 10000000;
1036 int prescaler = 0, divisor = 0;
1037 unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR,
1038 MCE_CMD_SETIRCFS, 0x00, 0x00 };
1039
1040
1041 if (ir->carrier != carrier) {
1042
1043 if (carrier == 0) {
1044 ir->carrier = carrier;
1045 cmdbuf[2] = MCE_CMD_SIG_END;
1046 cmdbuf[3] = MCE_IRDATA_TRAILER;
1047 dev_dbg(ir->dev, "disabling carrier modulation");
1048 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1049 return 0;
1050 }
1051
1052 for (prescaler = 0; prescaler < 4; ++prescaler) {
1053 divisor = (clk >> (2 * prescaler)) / carrier;
1054 if (divisor <= 0xff) {
1055 ir->carrier = carrier;
1056 cmdbuf[2] = prescaler;
1057 cmdbuf[3] = divisor;
1058 dev_dbg(ir->dev, "requesting %u HZ carrier",
1059 carrier);
1060
1061
1062 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1063 return 0;
1064 }
1065 }
1066
1067 return -EINVAL;
1068
1069 }
1070
1071 return 0;
1072}
1073
1074static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
1075{
1076 u8 cmdbuf[4] = { MCE_CMD_PORT_IR, MCE_CMD_SETIRTIMEOUT, 0, 0 };
1077 struct mceusb_dev *ir = dev->priv;
1078 unsigned int units;
1079
1080 units = DIV_ROUND_CLOSEST(timeout, MCE_TIME_UNIT);
1081
1082 cmdbuf[2] = units >> 8;
1083 cmdbuf[3] = units;
1084
1085 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1086
1087
1088 mce_command_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
1089
1090 return 0;
1091}
1092
1093
1094
1095
1096
1097
1098static int mceusb_set_rx_wideband(struct rc_dev *dev, int enable)
1099{
1100 struct mceusb_dev *ir = dev->priv;
1101 unsigned char cmdbuf[3] = { MCE_CMD_PORT_IR,
1102 MCE_CMD_SETIRRXPORTEN, 0x00 };
1103
1104 dev_dbg(ir->dev, "select %s-range receive sensor",
1105 enable ? "short" : "long");
1106 if (enable) {
1107 ir->wideband_rx_enabled = true;
1108 cmdbuf[2] = 2;
1109 } else {
1110 ir->wideband_rx_enabled = false;
1111 cmdbuf[2] = 1;
1112 }
1113 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1114
1115
1116 return 0;
1117}
1118
1119
1120
1121
1122
1123
1124static int mceusb_set_rx_carrier_report(struct rc_dev *dev, int enable)
1125{
1126 struct mceusb_dev *ir = dev->priv;
1127 unsigned char cmdbuf[3] = { MCE_CMD_PORT_IR,
1128 MCE_CMD_SETIRRXPORTEN, 0x00 };
1129
1130 dev_dbg(ir->dev, "%s short-range receiver carrier reporting",
1131 enable ? "enable" : "disable");
1132 if (enable) {
1133 ir->carrier_report_enabled = true;
1134 if (!ir->learning_active) {
1135 cmdbuf[2] = 2;
1136 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1137 }
1138 } else {
1139 ir->carrier_report_enabled = false;
1140
1141
1142
1143
1144
1145 if (ir->learning_active && !ir->wideband_rx_enabled) {
1146 cmdbuf[2] = 1;
1147 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1148 }
1149 }
1150
1151 return 0;
1152}
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165static void mceusb_handle_command(struct mceusb_dev *ir, u8 *buf_in)
1166{
1167 u8 cmd = buf_in[0];
1168 u8 subcmd = buf_in[1];
1169 u8 *hi = &buf_in[2];
1170 u8 *lo = &buf_in[3];
1171 struct ir_raw_event rawir = {};
1172 u32 carrier_cycles;
1173 u32 cycles_fix;
1174
1175 if (cmd == MCE_CMD_PORT_SYS) {
1176 switch (subcmd) {
1177
1178 case MCE_RSP_GETPORTSTATUS:
1179 if (buf_in[5] == 0 && *hi < 8)
1180 ir->txports_cabled |= 1 << *hi;
1181 break;
1182
1183
1184 case MCE_RSP_EQEMVER:
1185 ir->emver = *hi;
1186 break;
1187
1188
1189 case MCE_RSP_CMD_ILLEGAL:
1190 ir->need_reset = true;
1191 break;
1192
1193 default:
1194 break;
1195 }
1196
1197 return;
1198 }
1199
1200 if (cmd != MCE_CMD_PORT_IR)
1201 return;
1202
1203 switch (subcmd) {
1204
1205 case MCE_RSP_EQIRTIMEOUT:
1206 ir->rc->timeout = (*hi << 8 | *lo) * MCE_TIME_UNIT;
1207 break;
1208 case MCE_RSP_EQIRNUMPORTS:
1209 ir->num_txports = *hi;
1210 ir->num_rxports = *lo;
1211 break;
1212 case MCE_RSP_EQIRRXCFCNT:
1213
1214
1215
1216
1217
1218
1219
1220
1221 if (ir->carrier_report_enabled && ir->learning_active &&
1222 ir->pulse_tunit > 0) {
1223 carrier_cycles = (*hi << 8 | *lo);
1224
1225
1226
1227
1228 cycles_fix = ir->flags.rx2 == 2 ? ir->pulse_count : 0;
1229 rawir.carrier_report = 1;
1230 rawir.carrier = (1000000u / MCE_TIME_UNIT) *
1231 (carrier_cycles + cycles_fix) /
1232 ir->pulse_tunit;
1233 dev_dbg(ir->dev, "RX carrier frequency %u Hz (pulse count = %u, cycles = %u, duration = %u, rx2 = %u)",
1234 rawir.carrier, ir->pulse_count, carrier_cycles,
1235 ir->pulse_tunit, ir->flags.rx2);
1236 ir_raw_event_store(ir->rc, &rawir);
1237 }
1238 break;
1239
1240
1241 case MCE_RSP_EQIRTXPORTS:
1242 ir->tx_mask = *hi;
1243 break;
1244 case MCE_RSP_EQIRRXPORTEN:
1245 ir->learning_active = ((*hi & 0x02) == 0x02);
1246 if (ir->rxports_active != *hi) {
1247 dev_info(ir->dev, "%s-range (0x%x) receiver active",
1248 ir->learning_active ? "short" : "long", *hi);
1249 ir->rxports_active = *hi;
1250 }
1251 break;
1252
1253
1254 case MCE_RSP_CMD_ILLEGAL:
1255 case MCE_RSP_TX_TIMEOUT:
1256 ir->need_reset = true;
1257 break;
1258
1259 default:
1260 break;
1261 }
1262}
1263
1264static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
1265{
1266 struct ir_raw_event rawir = {};
1267 bool event = false;
1268 int i = 0;
1269
1270
1271 if (ir->flags.microsoft_gen1)
1272 i = 2;
1273
1274
1275 if (buf_len <= i)
1276 return;
1277
1278 for (; i < buf_len; i++) {
1279 switch (ir->parser_state) {
1280 case SUBCMD:
1281 ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]);
1282 mceusb_dev_printdata(ir, ir->buf_in, buf_len, i - 1,
1283 ir->rem + 2, false);
1284 if (i + ir->rem < buf_len)
1285 mceusb_handle_command(ir, &ir->buf_in[i - 1]);
1286 ir->parser_state = CMD_DATA;
1287 break;
1288 case PARSE_IRDATA:
1289 ir->rem--;
1290 rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);
1291 rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK);
1292 if (unlikely(!rawir.duration)) {
1293 dev_dbg(ir->dev, "nonsensical irdata %02x with duration 0",
1294 ir->buf_in[i]);
1295 break;
1296 }
1297 if (rawir.pulse) {
1298 ir->pulse_tunit += rawir.duration;
1299 ir->pulse_count++;
1300 }
1301 rawir.duration *= MCE_TIME_UNIT;
1302
1303 dev_dbg(ir->dev, "Storing %s %u us (%02x)",
1304 rawir.pulse ? "pulse" : "space",
1305 rawir.duration, ir->buf_in[i]);
1306
1307 if (ir_raw_event_store_with_filter(ir->rc, &rawir))
1308 event = true;
1309 break;
1310 case CMD_DATA:
1311 ir->rem--;
1312 break;
1313 case CMD_HEADER:
1314 ir->cmd = ir->buf_in[i];
1315 if ((ir->cmd == MCE_CMD_PORT_IR) ||
1316 ((ir->cmd & MCE_PORT_MASK) !=
1317 MCE_COMMAND_IRDATA)) {
1318
1319
1320
1321
1322 ir->parser_state = SUBCMD;
1323 continue;
1324 }
1325
1326
1327
1328
1329
1330 ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK);
1331 mceusb_dev_printdata(ir, ir->buf_in, buf_len,
1332 i, ir->rem + 1, false);
1333 if (ir->rem) {
1334 ir->parser_state = PARSE_IRDATA;
1335 } else {
1336 struct ir_raw_event ev = {
1337 .timeout = 1,
1338 .duration = ir->rc->timeout
1339 };
1340
1341 if (ir_raw_event_store_with_filter(ir->rc,
1342 &ev))
1343 event = true;
1344 ir->pulse_tunit = 0;
1345 ir->pulse_count = 0;
1346 }
1347 break;
1348 }
1349
1350 if (ir->parser_state != CMD_HEADER && !ir->rem)
1351 ir->parser_state = CMD_HEADER;
1352 }
1353
1354
1355
1356
1357
1358 if (ir->parser_state != PARSE_IRDATA || !ir->rem)
1359 ir->parser_state = CMD_HEADER;
1360
1361 if (event) {
1362 dev_dbg(ir->dev, "processed IR data");
1363 ir_raw_event_handle(ir->rc);
1364 }
1365}
1366
1367static void mceusb_dev_recv(struct urb *urb)
1368{
1369 struct mceusb_dev *ir;
1370
1371 if (!urb)
1372 return;
1373
1374 ir = urb->context;
1375 if (!ir) {
1376 usb_unlink_urb(urb);
1377 return;
1378 }
1379
1380 switch (urb->status) {
1381
1382 case 0:
1383 mceusb_process_ir_data(ir, urb->actual_length);
1384 break;
1385
1386 case -ECONNRESET:
1387 case -ENOENT:
1388 case -EILSEQ:
1389 case -ESHUTDOWN:
1390 usb_unlink_urb(urb);
1391 return;
1392
1393 case -EPIPE:
1394 dev_err(ir->dev, "Error: urb status = %d (RX HALT)",
1395 urb->status);
1396 mceusb_defer_kevent(ir, EVENT_RX_HALT);
1397 return;
1398
1399 default:
1400 dev_err(ir->dev, "Error: urb status = %d", urb->status);
1401 break;
1402 }
1403
1404 usb_submit_urb(urb, GFP_ATOMIC);
1405}
1406
1407static void mceusb_get_emulator_version(struct mceusb_dev *ir)
1408{
1409
1410 ir->emver = 1;
1411 mce_command_out(ir, GET_EMVER, sizeof(GET_EMVER));
1412}
1413
1414static void mceusb_gen1_init(struct mceusb_dev *ir)
1415{
1416 int ret;
1417 struct device *dev = ir->dev;
1418 char *data;
1419
1420 data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL);
1421 if (!data) {
1422 dev_err(dev, "%s: memory allocation failed!", __func__);
1423 return;
1424 }
1425
1426
1427
1428
1429
1430 ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
1431 USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0,
1432 data, USB_CTRL_MSG_SZ, HZ * 3);
1433 dev_dbg(dev, "set address - ret = %d", ret);
1434 dev_dbg(dev, "set address - data[0] = %d, data[1] = %d",
1435 data[0], data[1]);
1436
1437
1438 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1439 USB_REQ_SET_FEATURE, USB_TYPE_VENDOR,
1440 0xc04e, 0x0000, NULL, 0, HZ * 3);
1441
1442 dev_dbg(dev, "set feature - ret = %d", ret);
1443
1444
1445 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1446 4, USB_TYPE_VENDOR,
1447 0x0808, 0x0000, NULL, 0, HZ * 3);
1448 dev_dbg(dev, "set char length - retB = %d", ret);
1449
1450
1451 ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
1452 2, USB_TYPE_VENDOR,
1453 0x0000, 0x0100, NULL, 0, HZ * 3);
1454 dev_dbg(dev, "set handshake - retC = %d", ret);
1455
1456
1457 mce_command_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
1458
1459
1460 mce_command_out(ir, GET_REVISION, sizeof(GET_REVISION));
1461
1462 kfree(data);
1463}
1464
1465static void mceusb_gen2_init(struct mceusb_dev *ir)
1466{
1467
1468 mce_command_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
1469
1470
1471 mce_command_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));
1472
1473
1474 mce_command_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));
1475}
1476
1477static void mceusb_get_parameters(struct mceusb_dev *ir)
1478{
1479 int i;
1480 unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS,
1481 MCE_CMD_GETPORTSTATUS, 0x00 };
1482
1483
1484 ir->num_txports = 2;
1485 ir->num_rxports = 2;
1486
1487
1488 mce_command_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));
1489
1490
1491 mce_command_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
1492
1493 if (ir->num_txports && !ir->flags.no_tx)
1494
1495 mce_command_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
1496
1497
1498 mce_command_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
1499
1500
1501 mce_command_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));
1502
1503 for (i = 0; i < ir->num_txports; i++) {
1504 cmdbuf[2] = i;
1505 mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
1506 }
1507}
1508
1509static void mceusb_flash_led(struct mceusb_dev *ir)
1510{
1511 if (ir->emver < 2)
1512 return;
1513
1514 mce_command_out(ir, FLASH_LED, sizeof(FLASH_LED));
1515}
1516
1517
1518
1519
1520
1521
1522
1523
1524static void mceusb_deferred_kevent(struct work_struct *work)
1525{
1526 struct mceusb_dev *ir =
1527 container_of(work, struct mceusb_dev, kevent);
1528 int status;
1529
1530 dev_err(ir->dev, "kevent handler called (flags 0x%lx)",
1531 ir->kevent_flags);
1532
1533 if (test_bit(EVENT_RST_PEND, &ir->kevent_flags)) {
1534 dev_err(ir->dev, "kevent handler canceled pending USB Reset Device");
1535 return;
1536 }
1537
1538 if (test_bit(EVENT_RX_HALT, &ir->kevent_flags)) {
1539 usb_unlink_urb(ir->urb_in);
1540 status = usb_clear_halt(ir->usbdev, ir->pipe_in);
1541 dev_err(ir->dev, "rx clear halt status = %d", status);
1542 if (status < 0) {
1543
1544
1545
1546
1547 dev_err(ir->dev,
1548 "stuck RX HALT state requires USB Reset Device to clear");
1549 usb_queue_reset_device(ir->usbintf);
1550 set_bit(EVENT_RST_PEND, &ir->kevent_flags);
1551 clear_bit(EVENT_RX_HALT, &ir->kevent_flags);
1552
1553
1554 clear_bit(EVENT_TX_HALT, &ir->kevent_flags);
1555 return;
1556 }
1557 clear_bit(EVENT_RX_HALT, &ir->kevent_flags);
1558 status = usb_submit_urb(ir->urb_in, GFP_KERNEL);
1559 if (status < 0) {
1560 dev_err(ir->dev, "rx unhalt submit urb error = %d",
1561 status);
1562 }
1563 }
1564
1565 if (test_bit(EVENT_TX_HALT, &ir->kevent_flags)) {
1566 status = usb_clear_halt(ir->usbdev, ir->pipe_out);
1567 dev_err(ir->dev, "tx clear halt status = %d", status);
1568 if (status < 0) {
1569
1570
1571
1572
1573 dev_err(ir->dev,
1574 "stuck TX HALT state requires USB Reset Device to clear");
1575 usb_queue_reset_device(ir->usbintf);
1576 set_bit(EVENT_RST_PEND, &ir->kevent_flags);
1577 clear_bit(EVENT_TX_HALT, &ir->kevent_flags);
1578
1579
1580 clear_bit(EVENT_RX_HALT, &ir->kevent_flags);
1581 return;
1582 }
1583 clear_bit(EVENT_TX_HALT, &ir->kevent_flags);
1584 }
1585}
1586
1587static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
1588{
1589 struct usb_device *udev = ir->usbdev;
1590 struct device *dev = ir->dev;
1591 struct rc_dev *rc;
1592 int ret;
1593
1594 rc = rc_allocate_device(RC_DRIVER_IR_RAW);
1595 if (!rc) {
1596 dev_err(dev, "remote dev allocation failed");
1597 goto out;
1598 }
1599
1600 snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)",
1601 mceusb_model[ir->model].name ?
1602 mceusb_model[ir->model].name :
1603 "Media Center Ed. eHome Infrared Remote Transceiver",
1604 le16_to_cpu(ir->usbdev->descriptor.idVendor),
1605 le16_to_cpu(ir->usbdev->descriptor.idProduct));
1606
1607 usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys));
1608
1609 rc->device_name = ir->name;
1610 rc->input_phys = ir->phys;
1611 usb_to_input_id(ir->usbdev, &rc->input_id);
1612 rc->dev.parent = dev;
1613 rc->priv = ir;
1614 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
1615 rc->min_timeout = MCE_TIME_UNIT;
1616 rc->timeout = MS_TO_US(100);
1617 if (!mceusb_model[ir->model].broken_irtimeout) {
1618 rc->s_timeout = mceusb_set_timeout;
1619 rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
1620 } else {
1621
1622
1623
1624
1625 rc->max_timeout = rc->timeout;
1626 }
1627 if (!ir->flags.no_tx) {
1628 rc->s_tx_mask = mceusb_set_tx_mask;
1629 rc->s_tx_carrier = mceusb_set_tx_carrier;
1630 rc->tx_ir = mceusb_tx_ir;
1631 }
1632 if (ir->flags.rx2 > 0) {
1633 rc->s_learning_mode = mceusb_set_rx_wideband;
1634 rc->s_carrier_report = mceusb_set_rx_carrier_report;
1635 }
1636 rc->driver_name = DRIVER_NAME;
1637
1638 switch (le16_to_cpu(udev->descriptor.idVendor)) {
1639 case VENDOR_HAUPPAUGE:
1640 rc->map_name = RC_MAP_HAUPPAUGE;
1641 break;
1642 case VENDOR_PCTV:
1643 rc->map_name = RC_MAP_PINNACLE_PCTV_HD;
1644 break;
1645 default:
1646 rc->map_name = RC_MAP_RC6_MCE;
1647 }
1648 if (mceusb_model[ir->model].rc_map)
1649 rc->map_name = mceusb_model[ir->model].rc_map;
1650
1651 ret = rc_register_device(rc);
1652 if (ret < 0) {
1653 dev_err(dev, "remote dev registration failed");
1654 goto out;
1655 }
1656
1657 return rc;
1658
1659out:
1660 rc_free_device(rc);
1661 return NULL;
1662}
1663
1664static int mceusb_dev_probe(struct usb_interface *intf,
1665 const struct usb_device_id *id)
1666{
1667 struct usb_device *dev = interface_to_usbdev(intf);
1668 struct usb_host_interface *idesc;
1669 struct usb_endpoint_descriptor *ep = NULL;
1670 struct usb_endpoint_descriptor *ep_in = NULL;
1671 struct usb_endpoint_descriptor *ep_out = NULL;
1672 struct mceusb_dev *ir = NULL;
1673 int pipe, maxp, i, res;
1674 char buf[63], name[128] = "";
1675 enum mceusb_model_type model = id->driver_info;
1676 bool is_gen3;
1677 bool is_microsoft_gen1;
1678 bool tx_mask_normal;
1679 int ir_intfnum;
1680
1681 dev_dbg(&intf->dev, "%s called", __func__);
1682
1683 idesc = intf->cur_altsetting;
1684
1685 is_gen3 = mceusb_model[model].mce_gen3;
1686 is_microsoft_gen1 = mceusb_model[model].mce_gen1;
1687 tx_mask_normal = mceusb_model[model].tx_mask_normal;
1688 ir_intfnum = mceusb_model[model].ir_intfnum;
1689
1690
1691 if (idesc->desc.bInterfaceNumber != ir_intfnum)
1692 return -ENODEV;
1693
1694
1695 for (i = 0; i < idesc->desc.bNumEndpoints; ++i) {
1696 ep = &idesc->endpoint[i].desc;
1697
1698 if (ep_in == NULL) {
1699 if (usb_endpoint_is_bulk_in(ep)) {
1700 ep_in = ep;
1701 dev_dbg(&intf->dev, "acceptable bulk inbound endpoint found\n");
1702 } else if (usb_endpoint_is_int_in(ep)) {
1703 ep_in = ep;
1704 ep_in->bInterval = 1;
1705 dev_dbg(&intf->dev, "acceptable interrupt inbound endpoint found\n");
1706 }
1707 }
1708
1709 if (ep_out == NULL) {
1710 if (usb_endpoint_is_bulk_out(ep)) {
1711 ep_out = ep;
1712 dev_dbg(&intf->dev, "acceptable bulk outbound endpoint found\n");
1713 } else if (usb_endpoint_is_int_out(ep)) {
1714 ep_out = ep;
1715 ep_out->bInterval = 1;
1716 dev_dbg(&intf->dev, "acceptable interrupt outbound endpoint found\n");
1717 }
1718 }
1719 }
1720 if (!ep_in || !ep_out) {
1721 dev_dbg(&intf->dev, "required endpoints not found\n");
1722 return -ENODEV;
1723 }
1724
1725 if (usb_endpoint_xfer_int(ep_in))
1726 pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress);
1727 else
1728 pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress);
1729 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
1730
1731 ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL);
1732 if (!ir)
1733 goto mem_alloc_fail;
1734
1735 ir->pipe_in = pipe;
1736 ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_KERNEL, &ir->dma_in);
1737 if (!ir->buf_in)
1738 goto buf_in_alloc_fail;
1739
1740 ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
1741 if (!ir->urb_in)
1742 goto urb_in_alloc_fail;
1743
1744 ir->usbintf = intf;
1745 ir->usbdev = usb_get_dev(dev);
1746 ir->dev = &intf->dev;
1747 ir->len_in = maxp;
1748 ir->flags.microsoft_gen1 = is_microsoft_gen1;
1749 ir->flags.tx_mask_normal = tx_mask_normal;
1750 ir->flags.no_tx = mceusb_model[model].no_tx;
1751 ir->flags.rx2 = mceusb_model[model].rx2;
1752 ir->model = model;
1753
1754
1755 ir->usb_ep_out = ep_out;
1756 if (usb_endpoint_xfer_int(ep_out))
1757 ir->pipe_out = usb_sndintpipe(ir->usbdev,
1758 ep_out->bEndpointAddress);
1759 else
1760 ir->pipe_out = usb_sndbulkpipe(ir->usbdev,
1761 ep_out->bEndpointAddress);
1762
1763 if (dev->descriptor.iManufacturer
1764 && usb_string(dev, dev->descriptor.iManufacturer,
1765 buf, sizeof(buf)) > 0)
1766 strscpy(name, buf, sizeof(name));
1767 if (dev->descriptor.iProduct
1768 && usb_string(dev, dev->descriptor.iProduct,
1769 buf, sizeof(buf)) > 0)
1770 snprintf(name + strlen(name), sizeof(name) - strlen(name),
1771 " %s", buf);
1772
1773
1774
1775
1776
1777 INIT_WORK(&ir->kevent, mceusb_deferred_kevent);
1778
1779 ir->rc = mceusb_init_rc_dev(ir);
1780 if (!ir->rc)
1781 goto rc_dev_fail;
1782
1783
1784 if (usb_endpoint_xfer_int(ep_in))
1785 usb_fill_int_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp,
1786 mceusb_dev_recv, ir, ep_in->bInterval);
1787 else
1788 usb_fill_bulk_urb(ir->urb_in, dev, pipe, ir->buf_in, maxp,
1789 mceusb_dev_recv, ir);
1790
1791 ir->urb_in->transfer_dma = ir->dma_in;
1792 ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1793
1794
1795 dev_dbg(&intf->dev, "Flushing receive buffers");
1796 res = usb_submit_urb(ir->urb_in, GFP_KERNEL);
1797 if (res)
1798 dev_err(&intf->dev, "failed to flush buffers: %d", res);
1799
1800
1801 mceusb_get_emulator_version(ir);
1802
1803
1804 if (ir->flags.microsoft_gen1)
1805 mceusb_gen1_init(ir);
1806 else if (!is_gen3)
1807 mceusb_gen2_init(ir);
1808
1809 mceusb_get_parameters(ir);
1810
1811 mceusb_flash_led(ir);
1812
1813 if (!ir->flags.no_tx)
1814 mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK);
1815
1816 usb_set_intfdata(intf, ir);
1817
1818
1819 device_set_wakeup_capable(ir->dev, true);
1820 device_set_wakeup_enable(ir->dev, true);
1821
1822 dev_info(&intf->dev, "Registered %s with mce emulator interface version %x",
1823 name, ir->emver);
1824 dev_info(&intf->dev, "%x tx ports (0x%x cabled) and %x rx sensors (0x%x active)",
1825 ir->num_txports, ir->txports_cabled,
1826 ir->num_rxports, ir->rxports_active);
1827
1828 return 0;
1829
1830
1831rc_dev_fail:
1832 cancel_work_sync(&ir->kevent);
1833 usb_put_dev(ir->usbdev);
1834 usb_kill_urb(ir->urb_in);
1835 usb_free_urb(ir->urb_in);
1836urb_in_alloc_fail:
1837 usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in);
1838buf_in_alloc_fail:
1839 kfree(ir);
1840mem_alloc_fail:
1841 dev_err(&intf->dev, "%s: device setup failed!", __func__);
1842
1843 return -ENOMEM;
1844}
1845
1846
1847static void mceusb_dev_disconnect(struct usb_interface *intf)
1848{
1849 struct usb_device *dev = interface_to_usbdev(intf);
1850 struct mceusb_dev *ir = usb_get_intfdata(intf);
1851
1852 dev_dbg(&intf->dev, "%s called", __func__);
1853
1854 usb_set_intfdata(intf, NULL);
1855
1856 if (!ir)
1857 return;
1858
1859 ir->usbdev = NULL;
1860 cancel_work_sync(&ir->kevent);
1861 rc_unregister_device(ir->rc);
1862 usb_kill_urb(ir->urb_in);
1863 usb_free_urb(ir->urb_in);
1864 usb_free_coherent(dev, ir->len_in, ir->buf_in, ir->dma_in);
1865 usb_put_dev(dev);
1866
1867 kfree(ir);
1868}
1869
1870static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message)
1871{
1872 struct mceusb_dev *ir = usb_get_intfdata(intf);
1873 dev_info(ir->dev, "suspend");
1874 usb_kill_urb(ir->urb_in);
1875 return 0;
1876}
1877
1878static int mceusb_dev_resume(struct usb_interface *intf)
1879{
1880 struct mceusb_dev *ir = usb_get_intfdata(intf);
1881 dev_info(ir->dev, "resume");
1882 if (usb_submit_urb(ir->urb_in, GFP_ATOMIC))
1883 return -EIO;
1884 return 0;
1885}
1886
1887static struct usb_driver mceusb_dev_driver = {
1888 .name = DRIVER_NAME,
1889 .probe = mceusb_dev_probe,
1890 .disconnect = mceusb_dev_disconnect,
1891 .suspend = mceusb_dev_suspend,
1892 .resume = mceusb_dev_resume,
1893 .reset_resume = mceusb_dev_resume,
1894 .id_table = mceusb_dev_table
1895};
1896
1897module_usb_driver(mceusb_dev_driver);
1898
1899MODULE_DESCRIPTION(DRIVER_DESC);
1900MODULE_AUTHOR(DRIVER_AUTHOR);
1901MODULE_LICENSE("GPL");
1902MODULE_DEVICE_TABLE(usb, mceusb_dev_table);
1903