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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
66e89522 JW |
2 | /* |
3 | * Driver for USB Windows Media Center Ed. eHome Infrared Transceivers | |
4 | * | |
fda516b7 | 5 | * Copyright (c) 2010-2011, Jarod Wilson <jarod@redhat.com> |
66e89522 JW |
6 | * |
7 | * Based on the original lirc_mceusb and lirc_mceusb2 drivers, by Dan | |
8 | * Conti, Martin Blatter and Daniel Melander, the latter of which was | |
9 | * in turn also based on the lirc_atiusb driver by Paul Miller. The | |
10 | * two mce drivers were merged into one by Jarod Wilson, with transmit | |
11 | * support for the 1st-gen device added primarily by Patrick Calhoun, | |
12 | * with a bit of tweaks by Jarod. Debugging improvements and proper | |
13 | * support for what appears to be 3rd-gen hardware added by Jarod. | |
14 | * Initial port from lirc driver to ir-core drivery by Jarod, based | |
15 | * partially on a port to an earlier proposed IR infrastructure by | |
16 | * Jon Smirl, which included enhancements and simplifications to the | |
17 | * incoming IR buffer parsing routines. | |
18 | * | |
fda516b7 JW |
19 | * Updated in July of 2011 with the aid of Microsoft's official |
20 | * remote/transceiver requirements and specification document, found at | |
21 | * download.microsoft.com, title | |
22 | * Windows-Media-Center-RC-IR-Collection-Green-Button-Specification-03-08-2011-V2.pdf | |
66e89522 JW |
23 | */ |
24 | ||
25 | #include <linux/device.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/slab.h> | |
a06854a6 | 28 | #include <linux/workqueue.h> |
635f76b2 PB |
29 | #include <linux/usb.h> |
30 | #include <linux/usb/input.h> | |
fa334898 | 31 | #include <linux/pm_wakeup.h> |
6bda9644 | 32 | #include <media/rc-core.h> |
66e89522 | 33 | |
279c60fd | 34 | #define DRIVER_VERSION "1.94" |
fda516b7 | 35 | #define DRIVER_AUTHOR "Jarod Wilson <jarod@redhat.com>" |
66e89522 JW |
36 | #define DRIVER_DESC "Windows Media Center Ed. eHome Infrared Transceiver " \ |
37 | "device driver" | |
38 | #define DRIVER_NAME "mceusb" | |
39 | ||
4a883918 JW |
40 | #define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */ |
41 | #define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */ | |
66e89522 JW |
42 | |
43 | /* MCE constants */ | |
4a883918 JW |
44 | #define MCE_CMDBUF_SIZE 384 /* MCE Command buffer length */ |
45 | #define MCE_TIME_UNIT 50 /* Approx 50us resolution */ | |
46 | #define MCE_CODE_LENGTH 5 /* Normal length of packet (with header) */ | |
47 | #define MCE_PACKET_SIZE 4 /* Normal length of packet (without header) */ | |
48 | #define MCE_IRDATA_HEADER 0x84 /* Actual header format is 0x80 + num_bytes */ | |
49 | #define MCE_IRDATA_TRAILER 0x80 /* End of IR data */ | |
4a883918 JW |
50 | #define MCE_MAX_CHANNELS 2 /* Two transmitters, hardware dependent? */ |
51 | #define MCE_DEFAULT_TX_MASK 0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */ | |
52 | #define MCE_PULSE_BIT 0x80 /* Pulse bit, MSB set == PULSE else SPACE */ | |
53 | #define MCE_PULSE_MASK 0x7f /* Pulse mask */ | |
54 | #define MCE_MAX_PULSE_LENGTH 0x7f /* Longest transmittable pulse symbol */ | |
55 | ||
a6fbd3b7 JW |
56 | /* |
57 | * The interface between the host and the IR hardware is command-response | |
58 | * based. All commands and responses have a consistent format, where a lead | |
59 | * byte always identifies the type of data following it. The lead byte has | |
60 | * a port value in the 3 highest bits and a length value in the 5 lowest | |
61 | * bits. | |
62 | * | |
63 | * The length field is overloaded, with a value of 11111 indicating that the | |
64 | * following byte is a command or response code, and the length of the entire | |
65 | * message is determined by the code. If the length field is not 11111, then | |
66 | * it specifies the number of bytes of port data that follow. | |
67 | */ | |
68 | #define MCE_CMD 0x1f | |
69 | #define MCE_PORT_IR 0x4 /* (0x4 << 5) | MCE_CMD = 0x9f */ | |
70 | #define MCE_PORT_SYS 0x7 /* (0x7 << 5) | MCE_CMD = 0xff */ | |
04ad3011 | 71 | #define MCE_PORT_SER 0x6 /* 0xc0 through 0xdf flush & 0x1f bytes */ |
6b4a16c3 | 72 | #define MCE_PORT_MASK 0xe0 /* Mask out command bits */ |
a6fbd3b7 JW |
73 | |
74 | /* Command port headers */ | |
75 | #define MCE_CMD_PORT_IR 0x9f /* IR-related cmd/rsp */ | |
76 | #define MCE_CMD_PORT_SYS 0xff /* System (non-IR) device cmd/rsp */ | |
77 | ||
78 | /* Commands that set device state (2-4 bytes in length) */ | |
79 | #define MCE_CMD_RESET 0xfe /* Reset device, 2 bytes */ | |
80 | #define MCE_CMD_RESUME 0xaa /* Resume device after error, 2 bytes */ | |
81 | #define MCE_CMD_SETIRCFS 0x06 /* Set tx carrier, 4 bytes */ | |
82 | #define MCE_CMD_SETIRTIMEOUT 0x0c /* Set timeout, 4 bytes */ | |
83 | #define MCE_CMD_SETIRTXPORTS 0x08 /* Set tx ports, 3 bytes */ | |
84 | #define MCE_CMD_SETIRRXPORTEN 0x14 /* Set rx ports, 3 bytes */ | |
85 | #define MCE_CMD_FLASHLED 0x23 /* Flash receiver LED, 2 bytes */ | |
86 | ||
87 | /* Commands that query device state (all 2 bytes, unless noted) */ | |
88 | #define MCE_CMD_GETIRCFS 0x07 /* Get carrier */ | |
89 | #define MCE_CMD_GETIRTIMEOUT 0x0d /* Get timeout */ | |
90 | #define MCE_CMD_GETIRTXPORTS 0x13 /* Get tx ports */ | |
91 | #define MCE_CMD_GETIRRXPORTEN 0x15 /* Get rx ports */ | |
92 | #define MCE_CMD_GETPORTSTATUS 0x11 /* Get tx port status, 3 bytes */ | |
93 | #define MCE_CMD_GETIRNUMPORTS 0x16 /* Get number of ports */ | |
94 | #define MCE_CMD_GETWAKESOURCE 0x17 /* Get wake source */ | |
95 | #define MCE_CMD_GETEMVER 0x22 /* Get emulator interface version */ | |
96 | #define MCE_CMD_GETDEVDETAILS 0x21 /* Get device details (em ver2 only) */ | |
97 | #define MCE_CMD_GETWAKESUPPORT 0x20 /* Get wake details (em ver2 only) */ | |
98 | #define MCE_CMD_GETWAKEVERSION 0x18 /* Get wake pattern (em ver2 only) */ | |
99 | ||
100 | /* Misc commands */ | |
101 | #define MCE_CMD_NOP 0xff /* No operation */ | |
102 | ||
103 | /* Responses to commands (non-error cases) */ | |
104 | #define MCE_RSP_EQIRCFS 0x06 /* tx carrier, 4 bytes */ | |
105 | #define MCE_RSP_EQIRTIMEOUT 0x0c /* rx timeout, 4 bytes */ | |
106 | #define MCE_RSP_GETWAKESOURCE 0x17 /* wake source, 3 bytes */ | |
107 | #define MCE_RSP_EQIRTXPORTS 0x08 /* tx port mask, 3 bytes */ | |
108 | #define MCE_RSP_EQIRRXPORTEN 0x14 /* rx port mask, 3 bytes */ | |
109 | #define MCE_RSP_GETPORTSTATUS 0x11 /* tx port status, 7 bytes */ | |
110 | #define MCE_RSP_EQIRRXCFCNT 0x15 /* rx carrier count, 4 bytes */ | |
111 | #define MCE_RSP_EQIRNUMPORTS 0x16 /* number of ports, 4 bytes */ | |
112 | #define MCE_RSP_EQWAKESUPPORT 0x20 /* wake capabilities, 3 bytes */ | |
113 | #define MCE_RSP_EQWAKEVERSION 0x18 /* wake pattern details, 6 bytes */ | |
114 | #define MCE_RSP_EQDEVDETAILS 0x21 /* device capabilities, 3 bytes */ | |
115 | #define MCE_RSP_EQEMVER 0x22 /* emulator interface ver, 3 bytes */ | |
116 | #define MCE_RSP_FLASHLED 0x23 /* success flashing LED, 2 bytes */ | |
117 | ||
118 | /* Responses to error cases, must send MCE_CMD_RESUME to clear them */ | |
119 | #define MCE_RSP_CMD_ILLEGAL 0xfe /* illegal command for port, 2 bytes */ | |
120 | #define MCE_RSP_TX_TIMEOUT 0x81 /* tx timed out, 2 bytes */ | |
121 | ||
122 | /* Misc commands/responses not defined in the MCE remote/transceiver spec */ | |
1cd50f25 | 123 | #define MCE_CMD_SIG_END 0x01 /* End of signal */ |
4a883918 JW |
124 | #define MCE_CMD_PING 0x03 /* Ping device */ |
125 | #define MCE_CMD_UNKNOWN 0x04 /* Unknown */ | |
126 | #define MCE_CMD_UNKNOWN2 0x05 /* Unknown */ | |
4a883918 JW |
127 | #define MCE_CMD_UNKNOWN3 0x09 /* Unknown */ |
128 | #define MCE_CMD_UNKNOWN4 0x0a /* Unknown */ | |
129 | #define MCE_CMD_G_REVISION 0x0b /* Get hw/sw revision */ | |
4a883918 JW |
130 | #define MCE_CMD_UNKNOWN5 0x0e /* Unknown */ |
131 | #define MCE_CMD_UNKNOWN6 0x0f /* Unknown */ | |
4a883918 JW |
132 | #define MCE_CMD_UNKNOWN8 0x19 /* Unknown */ |
133 | #define MCE_CMD_UNKNOWN9 0x1b /* Unknown */ | |
a6fbd3b7 | 134 | #define MCE_CMD_NULL 0x00 /* These show up various places... */ |
66e89522 | 135 | |
a6fbd3b7 JW |
136 | /* if buf[i] & MCE_PORT_MASK == 0x80 and buf[i] != MCE_CMD_PORT_IR, |
137 | * then we're looking at a raw IR data sample */ | |
138 | #define MCE_COMMAND_IRDATA 0x80 | |
139 | #define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */ | |
66e89522 | 140 | |
66e89522 JW |
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 | |
56e92f60 | 163 | #define VENDOR_CONEXANT 0x0572 |
a4de5f05 | 164 | #define VENDOR_TWISTEDMELON 0x2596 |
eda9dfd6 | 165 | #define VENDOR_HAUPPAUGE 0x2040 |
9683e01e | 166 | #define VENDOR_PCTV 0x2013 |
e186613a | 167 | #define VENDOR_ADAPTEC 0x03f3 |
66e89522 | 168 | |
37dbd3a6 MCC |
169 | enum mceusb_model_type { |
170 | MCE_GEN2 = 0, /* Most boards */ | |
171 | MCE_GEN1, | |
172 | MCE_GEN3, | |
aec3eadf | 173 | MCE_GEN3_BROKEN_IRTIMEOUT, |
37dbd3a6 | 174 | MCE_GEN2_TX_INV, |
35ecf2b4 | 175 | MCE_GEN2_TX_INV_RX_GOOD, |
37dbd3a6 | 176 | POLARIS_EVK, |
6f6c625d | 177 | CX_HYBRID_TV, |
a6994eb0 | 178 | MULTIFUNCTION, |
d8ee99e7 | 179 | TIVO_KIT, |
2faa0ca8 | 180 | MCE_GEN2_NO_TX, |
eda9dfd6 | 181 | HAUPPAUGE_CX_HYBRID_TV, |
47f42f3e | 182 | EVROMEDIA_FULL_HYBRID_FULLHD, |
8ff19cdb | 183 | ASTROMETA_T2HYBRID, |
37dbd3a6 MCC |
184 | }; |
185 | ||
186 | struct mceusb_model { | |
187 | u32 mce_gen1:1; | |
188 | u32 mce_gen2:1; | |
189 | u32 mce_gen3:1; | |
d8cc7fd7 | 190 | u32 tx_mask_normal:1; |
6f6c625d | 191 | u32 no_tx:1; |
aec3eadf | 192 | u32 broken_irtimeout:1; |
279c60fd S |
193 | /* |
194 | * 2nd IR receiver (short-range, wideband) for learning mode: | |
195 | * 0, absent 2nd receiver (rx2) | |
196 | * 1, rx2 present | |
197 | * 2, rx2 which under counts IR carrier cycles | |
198 | */ | |
199 | u32 rx2; | |
37dbd3a6 | 200 | |
a6994eb0 JW |
201 | int ir_intfnum; |
202 | ||
17c2b1fd | 203 | const char *rc_map; /* Allow specify a per-board map */ |
3459d455 | 204 | const char *name; /* per-board name */ |
37dbd3a6 MCC |
205 | }; |
206 | ||
207 | static const struct mceusb_model mceusb_model[] = { | |
208 | [MCE_GEN1] = { | |
209 | .mce_gen1 = 1, | |
d8cc7fd7 | 210 | .tx_mask_normal = 1, |
279c60fd | 211 | .rx2 = 2, |
37dbd3a6 MCC |
212 | }, |
213 | [MCE_GEN2] = { | |
214 | .mce_gen2 = 1, | |
279c60fd | 215 | .rx2 = 2, |
37dbd3a6 | 216 | }, |
2faa0ca8 JW |
217 | [MCE_GEN2_NO_TX] = { |
218 | .mce_gen2 = 1, | |
219 | .no_tx = 1, | |
220 | }, | |
37dbd3a6 MCC |
221 | [MCE_GEN2_TX_INV] = { |
222 | .mce_gen2 = 1, | |
d8cc7fd7 | 223 | .tx_mask_normal = 1, |
279c60fd | 224 | .rx2 = 1, |
37dbd3a6 | 225 | }, |
35ecf2b4 SY |
226 | [MCE_GEN2_TX_INV_RX_GOOD] = { |
227 | .mce_gen2 = 1, | |
228 | .tx_mask_normal = 1, | |
229 | .rx2 = 2, | |
230 | }, | |
37dbd3a6 MCC |
231 | [MCE_GEN3] = { |
232 | .mce_gen3 = 1, | |
d8cc7fd7 | 233 | .tx_mask_normal = 1, |
279c60fd | 234 | .rx2 = 2, |
37dbd3a6 | 235 | }, |
aec3eadf SY |
236 | [MCE_GEN3_BROKEN_IRTIMEOUT] = { |
237 | .mce_gen3 = 1, | |
238 | .tx_mask_normal = 1, | |
239 | .rx2 = 2, | |
240 | .broken_irtimeout = 1 | |
241 | }, | |
37dbd3a6 | 242 | [POLARIS_EVK] = { |
17c2b1fd MCC |
243 | /* |
244 | * In fact, the EVK is shipped without | |
245 | * remotes, but we should have something handy, | |
246 | * to allow testing it | |
247 | */ | |
6f6c625d | 248 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", |
279c60fd | 249 | .rx2 = 2, |
6f6c625d JW |
250 | }, |
251 | [CX_HYBRID_TV] = { | |
6f6c625d JW |
252 | .no_tx = 1, /* tx isn't wired up at all */ |
253 | .name = "Conexant Hybrid TV (cx231xx) MCE IR", | |
37dbd3a6 | 254 | }, |
eda9dfd6 | 255 | [HAUPPAUGE_CX_HYBRID_TV] = { |
eda9dfd6 MS |
256 | .no_tx = 1, /* eeprom says it has no tx */ |
257 | .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX", | |
258 | }, | |
a6994eb0 JW |
259 | [MULTIFUNCTION] = { |
260 | .mce_gen2 = 1, | |
261 | .ir_intfnum = 2, | |
279c60fd | 262 | .rx2 = 2, |
a6994eb0 | 263 | }, |
d8ee99e7 JW |
264 | [TIVO_KIT] = { |
265 | .mce_gen2 = 1, | |
266 | .rc_map = RC_MAP_TIVO, | |
279c60fd | 267 | .rx2 = 2, |
d8ee99e7 | 268 | }, |
47f42f3e OK |
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 | }, | |
8ff19cdb OK |
274 | [ASTROMETA_T2HYBRID] = { |
275 | .name = "Astrometa T2Hybrid", | |
276 | .no_tx = 1, | |
277 | .rc_map = RC_MAP_ASTROMETA_T2HYBRID, | |
278 | } | |
37dbd3a6 MCC |
279 | }; |
280 | ||
5fad16b5 | 281 | static const struct usb_device_id mceusb_dev_table[] = { |
66e89522 | 282 | /* Original Microsoft MCE IR Transceiver (often HP-branded) */ |
37dbd3a6 MCC |
283 | { USB_DEVICE(VENDOR_MICROSOFT, 0x006d), |
284 | .driver_info = MCE_GEN1 }, | |
66e89522 JW |
285 | /* Philips Infrared Transceiver - Sahara branded */ |
286 | { USB_DEVICE(VENDOR_PHILIPS, 0x0608) }, | |
287 | /* Philips Infrared Transceiver - HP branded */ | |
37dbd3a6 MCC |
288 | { USB_DEVICE(VENDOR_PHILIPS, 0x060c), |
289 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
290 | /* Philips SRM5100 */ |
291 | { USB_DEVICE(VENDOR_PHILIPS, 0x060d) }, | |
292 | /* Philips Infrared Transceiver - Omaura */ | |
293 | { USB_DEVICE(VENDOR_PHILIPS, 0x060f) }, | |
294 | /* Philips Infrared Transceiver - Spinel plus */ | |
295 | { USB_DEVICE(VENDOR_PHILIPS, 0x0613) }, | |
296 | /* Philips eHome Infrared Transceiver */ | |
297 | { USB_DEVICE(VENDOR_PHILIPS, 0x0815) }, | |
c13df9cf JW |
298 | /* Philips/Spinel plus IR transceiver for ASUS */ |
299 | { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, | |
300 | /* Philips/Spinel plus IR transceiver for ASUS */ | |
301 | { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, | |
e296e127 | 302 | /* Philips IR transceiver (Dell branded) */ |
8dfef674 SY |
303 | { USB_DEVICE(VENDOR_PHILIPS, 0x2093), |
304 | .driver_info = MCE_GEN2_TX_INV }, | |
a6994eb0 JW |
305 | /* Realtek MCE IR Receiver and card reader */ |
306 | { USB_DEVICE(VENDOR_REALTEK, 0x0161), | |
307 | .driver_info = MULTIFUNCTION }, | |
66e89522 | 308 | /* SMK/Toshiba G83C0004D410 */ |
37dbd3a6 | 309 | { USB_DEVICE(VENDOR_SMK, 0x031d), |
35ecf2b4 | 310 | .driver_info = MCE_GEN2_TX_INV_RX_GOOD }, |
66e89522 | 311 | /* SMK eHome Infrared Transceiver (Sony VAIO) */ |
37dbd3a6 MCC |
312 | { USB_DEVICE(VENDOR_SMK, 0x0322), |
313 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 314 | /* bundled with Hauppauge PVR-150 */ |
37dbd3a6 MCC |
315 | { USB_DEVICE(VENDOR_SMK, 0x0334), |
316 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
317 | /* SMK eHome Infrared Transceiver */ |
318 | { USB_DEVICE(VENDOR_SMK, 0x0338) }, | |
b825fe1b JW |
319 | /* SMK/I-O Data GV-MC7/RCKIT Receiver */ |
320 | { USB_DEVICE(VENDOR_SMK, 0x0353), | |
321 | .driver_info = MCE_GEN2_NO_TX }, | |
18693843 OS |
322 | /* SMK RXX6000 Infrared Receiver */ |
323 | { USB_DEVICE(VENDOR_SMK, 0x0357), | |
324 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
325 | /* Tatung eHome Infrared Transceiver */ |
326 | { USB_DEVICE(VENDOR_TATUNG, 0x9150) }, | |
327 | /* Shuttle eHome Infrared Transceiver */ | |
328 | { USB_DEVICE(VENDOR_SHUTTLE, 0xc001) }, | |
329 | /* Shuttle eHome Infrared Transceiver */ | |
330 | { USB_DEVICE(VENDOR_SHUTTLE2, 0xc001) }, | |
331 | /* Gateway eHome Infrared Transceiver */ | |
332 | { USB_DEVICE(VENDOR_GATEWAY, 0x3009) }, | |
333 | /* Mitsumi */ | |
334 | { USB_DEVICE(VENDOR_MITSUMI, 0x2501) }, | |
335 | /* Topseed eHome Infrared Transceiver */ | |
37dbd3a6 MCC |
336 | { USB_DEVICE(VENDOR_TOPSEED, 0x0001), |
337 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 338 | /* Topseed HP eHome Infrared Transceiver */ |
37dbd3a6 MCC |
339 | { USB_DEVICE(VENDOR_TOPSEED, 0x0006), |
340 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 341 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
342 | { USB_DEVICE(VENDOR_TOPSEED, 0x0007), |
343 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 344 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
345 | { USB_DEVICE(VENDOR_TOPSEED, 0x0008), |
346 | .driver_info = MCE_GEN3 }, | |
66e89522 | 347 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 MCC |
348 | { USB_DEVICE(VENDOR_TOPSEED, 0x000a), |
349 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 | 350 | /* Topseed eHome Infrared Transceiver */ |
37dbd3a6 | 351 | { USB_DEVICE(VENDOR_TOPSEED, 0x0011), |
aec3eadf | 352 | .driver_info = MCE_GEN3_BROKEN_IRTIMEOUT }, |
66e89522 JW |
353 | /* Ricavision internal Infrared Transceiver */ |
354 | { USB_DEVICE(VENDOR_RICAVISION, 0x0010) }, | |
355 | /* Itron ione Libra Q-11 */ | |
356 | { USB_DEVICE(VENDOR_ITRON, 0x7002) }, | |
357 | /* FIC eHome Infrared Transceiver */ | |
358 | { USB_DEVICE(VENDOR_FIC, 0x9242) }, | |
359 | /* LG eHome Infrared Transceiver */ | |
360 | { USB_DEVICE(VENDOR_LG, 0x9803) }, | |
361 | /* Microsoft MCE Infrared Transceiver */ | |
362 | { USB_DEVICE(VENDOR_MICROSOFT, 0x00a0) }, | |
363 | /* Formosa eHome Infrared Transceiver */ | |
364 | { USB_DEVICE(VENDOR_FORMOSA, 0xe015) }, | |
365 | /* Formosa21 / eHome Infrared Receiver */ | |
366 | { USB_DEVICE(VENDOR_FORMOSA, 0xe016) }, | |
367 | /* Formosa aim / Trust MCE Infrared Receiver */ | |
2faa0ca8 JW |
368 | { USB_DEVICE(VENDOR_FORMOSA, 0xe017), |
369 | .driver_info = MCE_GEN2_NO_TX }, | |
66e89522 JW |
370 | /* Formosa Industrial Computing / Beanbag Emulation Device */ |
371 | { USB_DEVICE(VENDOR_FORMOSA, 0xe018) }, | |
372 | /* Formosa21 / eHome Infrared Receiver */ | |
373 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03a) }, | |
374 | /* Formosa Industrial Computing AIM IR605/A */ | |
375 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03c) }, | |
376 | /* Formosa Industrial Computing */ | |
377 | { USB_DEVICE(VENDOR_FORMOSA, 0xe03e) }, | |
22f1732f JW |
378 | /* Formosa Industrial Computing */ |
379 | { USB_DEVICE(VENDOR_FORMOSA, 0xe042) }, | |
fbb1f1b0 | 380 | /* Fintek eHome Infrared Transceiver (HP branded) */ |
db8ee106 SY |
381 | { USB_DEVICE(VENDOR_FINTEK, 0x5168), |
382 | .driver_info = MCE_GEN2_TX_INV }, | |
66e89522 JW |
383 | /* Fintek eHome Infrared Transceiver */ |
384 | { USB_DEVICE(VENDOR_FINTEK, 0x0602) }, | |
385 | /* Fintek eHome Infrared Transceiver (in the AOpen MP45) */ | |
386 | { USB_DEVICE(VENDOR_FINTEK, 0x0702) }, | |
387 | /* Pinnacle Remote Kit */ | |
37dbd3a6 MCC |
388 | { USB_DEVICE(VENDOR_PINNACLE, 0x0225), |
389 | .driver_info = MCE_GEN3 }, | |
66e89522 JW |
390 | /* Elitegroup Computer Systems IR */ |
391 | { USB_DEVICE(VENDOR_ECS, 0x0f38) }, | |
392 | /* Wistron Corp. eHome Infrared Receiver */ | |
393 | { USB_DEVICE(VENDOR_WISTRON, 0x0002) }, | |
394 | /* Compro K100 */ | |
395 | { USB_DEVICE(VENDOR_COMPRO, 0x3020) }, | |
396 | /* Compro K100 v2 */ | |
397 | { USB_DEVICE(VENDOR_COMPRO, 0x3082) }, | |
398 | /* Northstar Systems, Inc. eHome Infrared Transceiver */ | |
399 | { USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) }, | |
400 | /* TiVo PC IR Receiver */ | |
d8ee99e7 JW |
401 | { USB_DEVICE(VENDOR_TIVO, 0x2000), |
402 | .driver_info = TIVO_KIT }, | |
6f6c625d | 403 | /* Conexant Hybrid TV "Shelby" Polaris SDK */ |
37dbd3a6 MCC |
404 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a1), |
405 | .driver_info = POLARIS_EVK }, | |
6f6c625d JW |
406 | /* Conexant Hybrid TV RDU253S Polaris */ |
407 | { USB_DEVICE(VENDOR_CONEXANT, 0x58a5), | |
408 | .driver_info = CX_HYBRID_TV }, | |
a4de5f05 ML |
409 | /* Twisted Melon Inc. - Manta Mini Receiver */ |
410 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8008) }, | |
411 | /* Twisted Melon Inc. - Manta Pico Receiver */ | |
412 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, | |
413 | /* Twisted Melon Inc. - Manta Transceiver */ | |
414 | { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, | |
eda9dfd6 MS |
415 | /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */ |
416 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130), | |
417 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
418 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb131), |
419 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
66756611 MS |
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 }, | |
fd044de3 BL |
424 | /* Hauppauge WinTV-HVR-935C - based on cx231xx */ |
425 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb151), | |
426 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
427 | /* Hauppauge WinTV-HVR-955Q - based on cx231xx */ | |
428 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb123), | |
429 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
430 | /* Hauppauge WinTV-HVR-975 - based on cx231xx */ | |
431 | { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb150), | |
432 | .driver_info = HAUPPAUGE_CX_HYBRID_TV }, | |
9683e01e MCC |
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 }, | |
e186613a OS |
437 | /* Adaptec / HP eHome Receiver */ |
438 | { USB_DEVICE(VENDOR_ADAPTEC, 0x0094) }, | |
47f42f3e OK |
439 | /* Evromedia USB Full Hybrid Full HD */ |
440 | { USB_DEVICE(0x1b80, 0xd3b2), | |
441 | .driver_info = EVROMEDIA_FULL_HYBRID_FULLHD }, | |
8ff19cdb OK |
442 | /* Astrometa T2hybrid */ |
443 | { USB_DEVICE(0x15f4, 0x0135), | |
444 | .driver_info = ASTROMETA_T2HYBRID }, | |
9683e01e | 445 | |
66e89522 JW |
446 | /* Terminating entry */ |
447 | { } | |
448 | }; | |
449 | ||
66e89522 JW |
450 | /* data structure for each usb transceiver */ |
451 | struct mceusb_dev { | |
452 | /* ir-core bits */ | |
d8b4b582 | 453 | struct rc_dev *rc; |
2ee95db2 JW |
454 | |
455 | /* optional features we can enable */ | |
279c60fd S |
456 | bool carrier_report_enabled; |
457 | bool wideband_rx_enabled; /* aka learning mode, short-range rx */ | |
66e89522 JW |
458 | |
459 | /* core device bits */ | |
460 | struct device *dev; | |
66e89522 JW |
461 | |
462 | /* usb */ | |
463 | struct usb_device *usbdev; | |
464 | struct urb *urb_in; | |
a06854a6 | 465 | unsigned int pipe_in; |
66e89522 | 466 | struct usb_endpoint_descriptor *usb_ep_out; |
c779a9cd | 467 | unsigned int pipe_out; |
66e89522 JW |
468 | |
469 | /* buffers and dma */ | |
470 | unsigned char *buf_in; | |
471 | unsigned int len_in; | |
2ee95db2 | 472 | dma_addr_t dma_in; |
39dc5c3a MCC |
473 | |
474 | enum { | |
475 | CMD_HEADER = 0, | |
476 | SUBCMD, | |
477 | CMD_DATA, | |
478 | PARSE_IRDATA, | |
479 | } parser_state; | |
39dc5c3a | 480 | |
2ee95db2 | 481 | u8 cmd, rem; /* Remaining IR data bytes in packet */ |
66e89522 JW |
482 | |
483 | struct { | |
484 | u32 connected:1; | |
d8cc7fd7 | 485 | u32 tx_mask_normal:1; |
66e89522 | 486 | u32 microsoft_gen1:1; |
6f6c625d | 487 | u32 no_tx:1; |
279c60fd | 488 | u32 rx2; |
66e89522 JW |
489 | } flags; |
490 | ||
e23fb964 | 491 | /* transmit support */ |
e23fb964 JW |
492 | u32 carrier; |
493 | unsigned char tx_mask; | |
66e89522 JW |
494 | |
495 | char name[128]; | |
496 | char phys[64]; | |
37dbd3a6 | 497 | enum mceusb_model_type model; |
4840b788 JW |
498 | |
499 | bool need_reset; /* flag to issue a device resume cmd */ | |
ab1072eb | 500 | u8 emver; /* emulator interface version */ |
a411e839 JW |
501 | u8 num_txports; /* number of transmit ports */ |
502 | u8 num_rxports; /* number of receive sensors */ | |
503 | u8 txports_cabled; /* bitmask of transmitters with cable */ | |
504 | u8 rxports_active; /* bitmask of active receive sensors */ | |
279c60fd S |
505 | bool learning_active; /* wideband rx is active */ |
506 | ||
507 | /* receiver carrier frequency detection support */ | |
508 | u32 pulse_tunit; /* IR pulse "on" cumulative time units */ | |
509 | u32 pulse_count; /* pulse "on" count in measurement interval */ | |
a06854a6 S |
510 | |
511 | /* | |
512 | * support for async error handler mceusb_deferred_kevent() | |
513 | * where usb_clear_halt(), usb_reset_configuration(), | |
514 | * usb_reset_device(), etc. must be done in process context | |
515 | */ | |
516 | struct work_struct kevent; | |
517 | unsigned long kevent_flags; | |
518 | # define EVENT_TX_HALT 0 | |
519 | # define EVENT_RX_HALT 1 | |
66e89522 JW |
520 | }; |
521 | ||
a6fbd3b7 JW |
522 | /* MCE Device Command Strings, generally a port and command pair */ |
523 | static char DEVICE_RESUME[] = {MCE_CMD_NULL, MCE_CMD_PORT_SYS, | |
524 | MCE_CMD_RESUME}; | |
525 | static char GET_REVISION[] = {MCE_CMD_PORT_SYS, MCE_CMD_G_REVISION}; | |
ab1072eb | 526 | static char GET_EMVER[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETEMVER}; |
a6fbd3b7 | 527 | static char GET_WAKEVERSION[] = {MCE_CMD_PORT_SYS, MCE_CMD_GETWAKEVERSION}; |
b71969be | 528 | static char FLASH_LED[] = {MCE_CMD_PORT_SYS, MCE_CMD_FLASHLED}; |
a6fbd3b7 JW |
529 | static char GET_UNKNOWN2[] = {MCE_CMD_PORT_IR, MCE_CMD_UNKNOWN2}; |
530 | static char GET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRCFS}; | |
531 | static char GET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTIMEOUT}; | |
a411e839 | 532 | static char GET_NUM_PORTS[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRNUMPORTS}; |
a6fbd3b7 JW |
533 | static char GET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRTXPORTS}; |
534 | static char GET_RX_SENSOR[] = {MCE_CMD_PORT_IR, MCE_CMD_GETIRRXPORTEN}; | |
66e89522 JW |
535 | /* sub in desired values in lower byte or bytes for full command */ |
536 | /* FIXME: make use of these for transmit. | |
a6fbd3b7 JW |
537 | static char SET_CARRIER_FREQ[] = {MCE_CMD_PORT_IR, |
538 | MCE_CMD_SETIRCFS, 0x00, 0x00}; | |
539 | static char SET_TX_BITMASK[] = {MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00}; | |
540 | static char SET_RX_TIMEOUT[] = {MCE_CMD_PORT_IR, | |
541 | MCE_CMD_SETIRTIMEOUT, 0x00, 0x00}; | |
542 | static char SET_RX_SENSOR[] = {MCE_CMD_PORT_IR, | |
543 | MCE_RSP_EQIRRXPORTEN, 0x00}; | |
66e89522 JW |
544 | */ |
545 | ||
76dea4cf | 546 | static int mceusb_cmd_datasize(u8 cmd, u8 subcmd) |
39dc5c3a MCC |
547 | { |
548 | int datasize = 0; | |
549 | ||
550 | switch (cmd) { | |
a6fbd3b7 JW |
551 | case MCE_CMD_NULL: |
552 | if (subcmd == MCE_CMD_PORT_SYS) | |
39dc5c3a MCC |
553 | datasize = 1; |
554 | break; | |
a6fbd3b7 | 555 | case MCE_CMD_PORT_SYS: |
39dc5c3a | 556 | switch (subcmd) { |
76dea4cf WS |
557 | case MCE_RSP_GETPORTSTATUS: |
558 | datasize = 5; | |
559 | break; | |
a6fbd3b7 JW |
560 | case MCE_RSP_EQWAKEVERSION: |
561 | datasize = 4; | |
562 | break; | |
4a883918 | 563 | case MCE_CMD_G_REVISION: |
39dc5c3a MCC |
564 | datasize = 2; |
565 | break; | |
a6fbd3b7 | 566 | case MCE_RSP_EQWAKESUPPORT: |
76dea4cf WS |
567 | case MCE_RSP_GETWAKESOURCE: |
568 | case MCE_RSP_EQDEVDETAILS: | |
569 | case MCE_RSP_EQEMVER: | |
a6fbd3b7 JW |
570 | datasize = 1; |
571 | break; | |
39dc5c3a | 572 | } |
e708e5a4 | 573 | break; |
a6fbd3b7 | 574 | case MCE_CMD_PORT_IR: |
39dc5c3a | 575 | switch (subcmd) { |
4a883918 | 576 | case MCE_CMD_UNKNOWN: |
a6fbd3b7 JW |
577 | case MCE_RSP_EQIRCFS: |
578 | case MCE_RSP_EQIRTIMEOUT: | |
579 | case MCE_RSP_EQIRRXCFCNT: | |
76dea4cf | 580 | case MCE_RSP_EQIRNUMPORTS: |
39dc5c3a MCC |
581 | datasize = 2; |
582 | break; | |
1cd50f25 | 583 | case MCE_CMD_SIG_END: |
a6fbd3b7 JW |
584 | case MCE_RSP_EQIRTXPORTS: |
585 | case MCE_RSP_EQIRRXPORTEN: | |
39dc5c3a MCC |
586 | datasize = 1; |
587 | break; | |
588 | } | |
589 | } | |
590 | return datasize; | |
591 | } | |
592 | ||
ff05cf09 SY |
593 | static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len, |
594 | int offset, int len, bool out) | |
66e89522 | 595 | { |
6b4a16c3 SY |
596 | #if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) |
597 | char *inout; | |
ff05cf09 | 598 | u8 cmd, subcmd, *data; |
66e89522 | 599 | struct device *dev = ir->dev; |
6b4a16c3 | 600 | int start, skip = 0; |
e217fb43 | 601 | u32 carrier, period; |
36e9d260 | 602 | |
657290b6 | 603 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ |
29b4494b | 604 | if (ir->flags.microsoft_gen1 && !out && !offset) |
36e9d260 | 605 | skip = 2; |
66e89522 | 606 | |
36e9d260 | 607 | if (len <= skip) |
66e89522 JW |
608 | return; |
609 | ||
6b4a16c3 | 610 | dev_dbg(dev, "%cx data: %*ph (length=%d)", |
5c80992e S |
611 | (out ? 't' : 'r'), |
612 | min(len, buf_len - offset), buf + offset, len); | |
66e89522 | 613 | |
6b4a16c3 | 614 | inout = out ? "Request" : "Got"; |
66e89522 | 615 | |
36e9d260 JW |
616 | start = offset + skip; |
617 | cmd = buf[start] & 0xff; | |
618 | subcmd = buf[start + 1] & 0xff; | |
ff05cf09 | 619 | data = buf + start + 2; |
66e89522 JW |
620 | |
621 | switch (cmd) { | |
a6fbd3b7 | 622 | case MCE_CMD_NULL: |
a411e839 JW |
623 | if (subcmd == MCE_CMD_NULL) |
624 | break; | |
a6fbd3b7 | 625 | if ((subcmd == MCE_CMD_PORT_SYS) && |
ff05cf09 | 626 | (data[0] == MCE_CMD_RESUME)) |
6b4a16c3 | 627 | dev_dbg(dev, "Device resume requested"); |
66e89522 | 628 | else |
6b4a16c3 | 629 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
630 | cmd, subcmd); |
631 | break; | |
a6fbd3b7 | 632 | case MCE_CMD_PORT_SYS: |
66e89522 | 633 | switch (subcmd) { |
a6fbd3b7 JW |
634 | case MCE_RSP_EQEMVER: |
635 | if (!out) | |
6b4a16c3 | 636 | dev_dbg(dev, "Emulator interface version %x", |
ff05cf09 | 637 | data[0]); |
a6fbd3b7 | 638 | break; |
4a883918 | 639 | case MCE_CMD_G_REVISION: |
66e89522 | 640 | if (len == 2) |
6b4a16c3 | 641 | dev_dbg(dev, "Get hw/sw rev?"); |
66e89522 | 642 | else |
eef8fc37 MCC |
643 | dev_dbg(dev, "hw/sw rev %*ph", |
644 | 4, &buf[start + 2]); | |
66e89522 | 645 | break; |
a6fbd3b7 | 646 | case MCE_CMD_RESUME: |
6b4a16c3 | 647 | dev_dbg(dev, "Device resume requested"); |
a6fbd3b7 JW |
648 | break; |
649 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 650 | dev_dbg(dev, "Illegal PORT_SYS command"); |
a6fbd3b7 JW |
651 | break; |
652 | case MCE_RSP_EQWAKEVERSION: | |
653 | if (!out) | |
25ec587c | 654 | dev_dbg(dev, "Wake version, proto: 0x%02x, payload: 0x%02x, address: 0x%02x, version: 0x%02x", |
ff05cf09 | 655 | data[0], data[1], data[2], data[3]); |
66e89522 | 656 | break; |
a6fbd3b7 JW |
657 | case MCE_RSP_GETPORTSTATUS: |
658 | if (!out) | |
659 | /* We use data1 + 1 here, to match hw labels */ | |
6b4a16c3 | 660 | dev_dbg(dev, "TX port %d: blaster is%s connected", |
ff05cf09 | 661 | data[0] + 1, data[3] ? " not" : ""); |
66e89522 | 662 | break; |
b71969be | 663 | case MCE_CMD_FLASHLED: |
6b4a16c3 | 664 | dev_dbg(dev, "Attempting to flash LED"); |
b71969be | 665 | break; |
66e89522 | 666 | default: |
6b4a16c3 | 667 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
668 | cmd, subcmd); |
669 | break; | |
670 | } | |
671 | break; | |
a6fbd3b7 | 672 | case MCE_CMD_PORT_IR: |
66e89522 | 673 | switch (subcmd) { |
1cd50f25 | 674 | case MCE_CMD_SIG_END: |
6b4a16c3 | 675 | dev_dbg(dev, "End of signal"); |
1cd50f25 | 676 | break; |
4a883918 | 677 | case MCE_CMD_PING: |
6b4a16c3 | 678 | dev_dbg(dev, "Ping"); |
66e89522 | 679 | break; |
4a883918 | 680 | case MCE_CMD_UNKNOWN: |
6b4a16c3 | 681 | dev_dbg(dev, "Resp to 9f 05 of 0x%02x 0x%02x", |
ff05cf09 | 682 | data[0], data[1]); |
66e89522 | 683 | break; |
e217fb43 | 684 | case MCE_RSP_EQIRCFS: |
ff05cf09 SY |
685 | period = DIV_ROUND_CLOSEST((1U << data[0] * 2) * |
686 | (data[1] + 1), 10); | |
e217fb43 JW |
687 | if (!period) |
688 | break; | |
689 | carrier = (1000 * 1000) / period; | |
6b4a16c3 | 690 | dev_dbg(dev, "%s carrier of %u Hz (period %uus)", |
e217fb43 | 691 | inout, carrier, period); |
66e89522 | 692 | break; |
a6fbd3b7 | 693 | case MCE_CMD_GETIRCFS: |
6b4a16c3 | 694 | dev_dbg(dev, "Get carrier mode and freq"); |
66e89522 | 695 | break; |
a6fbd3b7 | 696 | case MCE_RSP_EQIRTXPORTS: |
6b4a16c3 | 697 | dev_dbg(dev, "%s transmit blaster mask of 0x%02x", |
ff05cf09 | 698 | inout, data[0]); |
66e89522 | 699 | break; |
a6fbd3b7 | 700 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 701 | /* value is in units of 50us, so x*50/1000 ms */ |
ff05cf09 SY |
702 | period = ((data[0] << 8) | data[1]) * |
703 | MCE_TIME_UNIT / 1000; | |
6b4a16c3 | 704 | dev_dbg(dev, "%s receive timeout of %d ms", |
e217fb43 | 705 | inout, period); |
66e89522 | 706 | break; |
a6fbd3b7 | 707 | case MCE_CMD_GETIRTIMEOUT: |
6b4a16c3 | 708 | dev_dbg(dev, "Get receive timeout"); |
66e89522 | 709 | break; |
a6fbd3b7 | 710 | case MCE_CMD_GETIRTXPORTS: |
6b4a16c3 | 711 | dev_dbg(dev, "Get transmit blaster mask"); |
66e89522 | 712 | break; |
a6fbd3b7 | 713 | case MCE_RSP_EQIRRXPORTEN: |
6b4a16c3 | 714 | dev_dbg(dev, "%s %s-range receive sensor in use", |
ff05cf09 | 715 | inout, data[0] == 0x02 ? "short" : "long"); |
66e89522 | 716 | break; |
a6fbd3b7 JW |
717 | case MCE_CMD_GETIRRXPORTEN: |
718 | /* aka MCE_RSP_EQIRRXCFCNT */ | |
2ee95db2 | 719 | if (out) |
6b4a16c3 | 720 | dev_dbg(dev, "Get receive sensor"); |
279c60fd S |
721 | else |
722 | dev_dbg(dev, "RX carrier cycle count: %d", | |
ff05cf09 | 723 | ((data[0] << 8) | data[1])); |
66e89522 | 724 | break; |
a6fbd3b7 JW |
725 | case MCE_RSP_EQIRNUMPORTS: |
726 | if (out) | |
727 | break; | |
6b4a16c3 | 728 | dev_dbg(dev, "Num TX ports: %x, num RX ports: %x", |
ff05cf09 | 729 | data[0], data[1]); |
a6fbd3b7 JW |
730 | break; |
731 | case MCE_RSP_CMD_ILLEGAL: | |
6b4a16c3 | 732 | dev_dbg(dev, "Illegal PORT_IR command"); |
66e89522 | 733 | break; |
66e89522 | 734 | default: |
6b4a16c3 | 735 | dev_dbg(dev, "Unknown command 0x%02x 0x%02x", |
66e89522 JW |
736 | cmd, subcmd); |
737 | break; | |
738 | } | |
739 | break; | |
740 | default: | |
741 | break; | |
742 | } | |
36e9d260 JW |
743 | |
744 | if (cmd == MCE_IRDATA_TRAILER) | |
6b4a16c3 | 745 | dev_dbg(dev, "End of raw IR data"); |
a6fbd3b7 JW |
746 | else if ((cmd != MCE_CMD_PORT_IR) && |
747 | ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA)) | |
6b4a16c3 SY |
748 | dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem); |
749 | #endif | |
66e89522 JW |
750 | } |
751 | ||
a06854a6 S |
752 | /* |
753 | * Schedule work that can't be done in interrupt handlers | |
754 | * (mceusb_dev_recv() and mce_async_callback()) nor tasklets. | |
755 | * Invokes mceusb_deferred_kevent() for recovering from | |
756 | * error events specified by the kevent bit field. | |
757 | */ | |
758 | static 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 | ||
6ac454aa | 767 | static void mce_async_callback(struct urb *urb) |
66e89522 JW |
768 | { |
769 | struct mceusb_dev *ir; | |
770 | int len; | |
771 | ||
772 | if (!urb) | |
773 | return; | |
774 | ||
775 | ir = urb->context; | |
6b4a16c3 SY |
776 | |
777 | switch (urb->status) { | |
778 | /* success */ | |
779 | case 0: | |
66e89522 JW |
780 | len = urb->actual_length; |
781 | ||
5c80992e S |
782 | mceusb_dev_printdata(ir, urb->transfer_buffer, len, |
783 | 0, len, true); | |
6b4a16c3 SY |
784 | break; |
785 | ||
786 | case -ECONNRESET: | |
787 | case -ENOENT: | |
788 | case -EILSEQ: | |
789 | case -ESHUTDOWN: | |
790 | break; | |
791 | ||
792 | case -EPIPE: | |
c779a9cd S |
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 | ||
6b4a16c3 SY |
798 | default: |
799 | dev_err(ir->dev, "Error: request urb status = %d", urb->status); | |
800 | break; | |
66e89522 JW |
801 | } |
802 | ||
0b43fcdf JW |
803 | /* the transfer buffer and urb were allocated in mce_request_packet */ |
804 | kfree(urb->transfer_buffer); | |
805 | usb_free_urb(urb); | |
66e89522 JW |
806 | } |
807 | ||
5c80992e | 808 | /* request outgoing (send) usb packet - used to initialize remote */ |
51ea6292 | 809 | static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data, |
e1159cb3 | 810 | int size) |
66e89522 | 811 | { |
c779a9cd | 812 | int res; |
66e89522 JW |
813 | struct urb *async_urb; |
814 | struct device *dev = ir->dev; | |
815 | unsigned char *async_buf; | |
816 | ||
e1159cb3 SY |
817 | async_urb = usb_alloc_urb(0, GFP_KERNEL); |
818 | if (unlikely(!async_urb)) { | |
5c80992e | 819 | dev_err(dev, "Error, couldn't allocate urb!"); |
e1159cb3 SY |
820 | return; |
821 | } | |
66e89522 | 822 | |
e1159cb3 SY |
823 | async_buf = kmalloc(size, GFP_KERNEL); |
824 | if (!async_buf) { | |
825 | usb_free_urb(async_urb); | |
826 | return; | |
827 | } | |
66e89522 | 828 | |
e1159cb3 | 829 | /* outbound data */ |
c779a9cd S |
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, | |
e1159cb3 | 833 | ir->usb_ep_out->bInterval); |
c779a9cd S |
834 | else |
835 | usb_fill_bulk_urb(async_urb, ir->usbdev, ir->pipe_out, | |
836 | async_buf, size, mce_async_callback, ir); | |
837 | ||
e1159cb3 | 838 | memcpy(async_buf, data, size); |
66e89522 | 839 | |
5c80992e | 840 | dev_dbg(dev, "send request called (size=%#x)", size); |
66e89522 | 841 | |
66e89522 JW |
842 | res = usb_submit_urb(async_urb, GFP_ATOMIC); |
843 | if (res) { | |
5c80992e | 844 | dev_err(dev, "send request FAILED! (res=%d)", res); |
2d5a6ce7 JH |
845 | kfree(async_buf); |
846 | usb_free_urb(async_urb); | |
66e89522 JW |
847 | return; |
848 | } | |
5c80992e | 849 | dev_dbg(dev, "send request complete (res=%d)", res); |
66e89522 JW |
850 | } |
851 | ||
852 | static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size) | |
853 | { | |
4840b788 JW |
854 | int rsize = sizeof(DEVICE_RESUME); |
855 | ||
856 | if (ir->need_reset) { | |
857 | ir->need_reset = false; | |
e1159cb3 | 858 | mce_request_packet(ir, DEVICE_RESUME, rsize); |
4840b788 JW |
859 | msleep(10); |
860 | } | |
861 | ||
e1159cb3 | 862 | mce_request_packet(ir, data, size); |
417c0a23 | 863 | msleep(10); |
66e89522 JW |
864 | } |
865 | ||
e23fb964 | 866 | /* Send data out the IR blaster port(s) */ |
5588dc2b | 867 | static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) |
e23fb964 | 868 | { |
d8b4b582 | 869 | struct mceusb_dev *ir = dev->priv; |
db8ee106 | 870 | int i, length, ret = 0; |
5588dc2b | 871 | int cmdcount = 0; |
db8ee106 | 872 | unsigned char cmdbuf[MCE_CMDBUF_SIZE]; |
e23fb964 JW |
873 | |
874 | /* MCE tx init header */ | |
a6fbd3b7 JW |
875 | cmdbuf[cmdcount++] = MCE_CMD_PORT_IR; |
876 | cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS; | |
e23fb964 JW |
877 | cmdbuf[cmdcount++] = ir->tx_mask; |
878 | ||
db8ee106 SY |
879 | /* Send the set TX ports command */ |
880 | mce_async_out(ir, cmdbuf, cmdcount); | |
881 | cmdcount = 0; | |
882 | ||
e23fb964 JW |
883 | /* Generate mce packet data */ |
884 | for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) { | |
e23fb964 JW |
885 | txbuf[i] = txbuf[i] / MCE_TIME_UNIT; |
886 | ||
887 | do { /* loop to support long pulses/spaces > 127*50us=6.35ms */ | |
888 | ||
889 | /* Insert mce packet header every 4th entry */ | |
890 | if ((cmdcount < MCE_CMDBUF_SIZE) && | |
db8ee106 | 891 | (cmdcount % MCE_CODE_LENGTH) == 0) |
4a883918 | 892 | cmdbuf[cmdcount++] = MCE_IRDATA_HEADER; |
e23fb964 JW |
893 | |
894 | /* Insert mce packet data */ | |
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 | ||
e23fb964 JW |
909 | /* Check if we have room for the empty packet at the end */ |
910 | if (cmdcount >= MCE_CMDBUF_SIZE) { | |
911 | ret = -EINVAL; | |
912 | goto out; | |
913 | } | |
914 | ||
b940a221 DC |
915 | /* Fix packet length in last header */ |
916 | length = cmdcount % MCE_CODE_LENGTH; | |
917 | cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length; | |
918 | ||
e23fb964 | 919 | /* All mce commands end with an empty packet (0x80) */ |
4a883918 | 920 | cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER; |
e23fb964 JW |
921 | |
922 | /* Transmit the command to the mce device */ | |
923 | mce_async_out(ir, cmdbuf, cmdcount); | |
924 | ||
e23fb964 | 925 | out: |
5588dc2b | 926 | return ret ? ret : count; |
e23fb964 JW |
927 | } |
928 | ||
6f6c625d | 929 | /* Sets active IR outputs -- mce devices typically have two */ |
d8b4b582 | 930 | static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask) |
657290b6 | 931 | { |
d8b4b582 | 932 | struct mceusb_dev *ir = dev->priv; |
657290b6 | 933 | |
20f5a827 SY |
934 | /* return number of transmitters */ |
935 | int emitters = ir->num_txports ? ir->num_txports : 2; | |
936 | ||
937 | if (mask >= (1 << emitters)) | |
938 | return emitters; | |
939 | ||
d8cc7fd7 JW |
940 | if (ir->flags.tx_mask_normal) |
941 | ir->tx_mask = mask; | |
942 | else | |
4a883918 JW |
943 | ir->tx_mask = (mask != MCE_DEFAULT_TX_MASK ? |
944 | mask ^ MCE_DEFAULT_TX_MASK : mask) << 1; | |
657290b6 JW |
945 | |
946 | return 0; | |
947 | } | |
948 | ||
e23fb964 | 949 | /* Sets the send carrier frequency and mode */ |
d8b4b582 | 950 | static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier) |
e23fb964 | 951 | { |
d8b4b582 | 952 | struct mceusb_dev *ir = dev->priv; |
e23fb964 JW |
953 | int clk = 10000000; |
954 | int prescaler = 0, divisor = 0; | |
a6fbd3b7 JW |
955 | unsigned char cmdbuf[4] = { MCE_CMD_PORT_IR, |
956 | MCE_CMD_SETIRCFS, 0x00, 0x00 }; | |
e23fb964 JW |
957 | |
958 | /* Carrier has changed */ | |
959 | if (ir->carrier != carrier) { | |
960 | ||
961 | if (carrier == 0) { | |
962 | ir->carrier = carrier; | |
1cd50f25 | 963 | cmdbuf[2] = MCE_CMD_SIG_END; |
4a883918 | 964 | cmdbuf[3] = MCE_IRDATA_TRAILER; |
6b4a16c3 | 965 | dev_dbg(ir->dev, "disabling carrier modulation"); |
e23fb964 | 966 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); |
3cf8d8e4 | 967 | return 0; |
e23fb964 JW |
968 | } |
969 | ||
970 | for (prescaler = 0; prescaler < 4; ++prescaler) { | |
971 | divisor = (clk >> (2 * prescaler)) / carrier; | |
4a883918 | 972 | if (divisor <= 0xff) { |
e23fb964 JW |
973 | ir->carrier = carrier; |
974 | cmdbuf[2] = prescaler; | |
975 | cmdbuf[3] = divisor; | |
6b4a16c3 SY |
976 | dev_dbg(ir->dev, "requesting %u HZ carrier", |
977 | carrier); | |
e23fb964 JW |
978 | |
979 | /* Transmit new carrier to mce device */ | |
980 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
3cf8d8e4 | 981 | return 0; |
e23fb964 JW |
982 | } |
983 | } | |
984 | ||
985 | return -EINVAL; | |
986 | ||
987 | } | |
988 | ||
14d8188a | 989 | return 0; |
e23fb964 JW |
990 | } |
991 | ||
877f1a7c SY |
992 | static 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 | /* get receiver timeout value */ | |
1006 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
1007 | ||
1008 | return 0; | |
1009 | } | |
1010 | ||
279c60fd S |
1011 | /* |
1012 | * Select or deselect the 2nd receiver port. | |
1013 | * Second receiver is learning mode, wide-band, short-range receiver. | |
1014 | * Only one receiver (long or short range) may be active at a time. | |
1015 | */ | |
1016 | static 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; /* port 2 is short range receiver */ | |
1027 | } else { | |
1028 | ir->wideband_rx_enabled = false; | |
1029 | cmdbuf[2] = 1; /* port 1 is long range receiver */ | |
1030 | } | |
1031 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1032 | /* response from device sets ir->learning_active */ | |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | /* | |
1038 | * Enable/disable receiver carrier frequency pass through reporting. | |
1039 | * Only the short-range receiver has carrier frequency measuring capability. | |
1040 | * Implicitly select this receiver when enabling carrier frequency reporting. | |
1041 | */ | |
1042 | static 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; /* port 2 is short range receiver */ | |
1054 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1055 | } | |
1056 | } else { | |
1057 | ir->carrier_report_enabled = false; | |
1058 | /* | |
1059 | * Revert to normal (long-range) receiver only if the | |
1060 | * wideband (short-range) receiver wasn't explicitly | |
1061 | * enabled. | |
1062 | */ | |
1063 | if (ir->learning_active && !ir->wideband_rx_enabled) { | |
1064 | cmdbuf[2] = 1; /* port 1 is long range receiver */ | |
1065 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
2ee95db2 JW |
1072 | /* |
1073 | * We don't do anything but print debug spew for many of the command bits | |
1074 | * we receive from the hardware, but some of them are useful information | |
1075 | * we want to store so that we can use them. | |
1076 | */ | |
1077 | static void mceusb_handle_command(struct mceusb_dev *ir, int index) | |
1078 | { | |
183e19f5 | 1079 | struct ir_raw_event rawir = {}; |
2ee95db2 JW |
1080 | u8 hi = ir->buf_in[index + 1] & 0xff; |
1081 | u8 lo = ir->buf_in[index + 2] & 0xff; | |
279c60fd S |
1082 | u32 carrier_cycles; |
1083 | u32 cycles_fix; | |
2ee95db2 JW |
1084 | |
1085 | switch (ir->buf_in[index]) { | |
a411e839 JW |
1086 | /* the one and only 5-byte return value command */ |
1087 | case MCE_RSP_GETPORTSTATUS: | |
1088 | if ((ir->buf_in[index + 4] & 0xff) == 0x00) | |
1089 | ir->txports_cabled |= 1 << hi; | |
1090 | break; | |
1091 | ||
2ee95db2 | 1092 | /* 2-byte return value commands */ |
a6fbd3b7 | 1093 | case MCE_RSP_EQIRTIMEOUT: |
f3e456cb | 1094 | ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); |
2ee95db2 | 1095 | break; |
a411e839 JW |
1096 | case MCE_RSP_EQIRNUMPORTS: |
1097 | ir->num_txports = hi; | |
1098 | ir->num_rxports = lo; | |
1099 | break; | |
279c60fd S |
1100 | case MCE_RSP_EQIRRXCFCNT: |
1101 | /* | |
1102 | * The carrier cycle counter can overflow and wrap around | |
1103 | * without notice from the device. So frequency measurement | |
1104 | * will be inaccurate with long duration IR. | |
1105 | * | |
1106 | * The long-range (non learning) receiver always reports | |
1107 | * zero count so we always ignore its report. | |
1108 | */ | |
1109 | if (ir->carrier_report_enabled && ir->learning_active && | |
1110 | ir->pulse_tunit > 0) { | |
1111 | carrier_cycles = (hi << 8 | lo); | |
1112 | /* | |
1113 | * Adjust carrier cycle count by adding | |
1114 | * 1 missed count per pulse "on" | |
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; | |
2ee95db2 JW |
1127 | |
1128 | /* 1-byte return value commands */ | |
ab1072eb JW |
1129 | case MCE_RSP_EQEMVER: |
1130 | ir->emver = hi; | |
1131 | break; | |
a6fbd3b7 | 1132 | case MCE_RSP_EQIRTXPORTS: |
2ee95db2 JW |
1133 | ir->tx_mask = hi; |
1134 | break; | |
a6fbd3b7 | 1135 | case MCE_RSP_EQIRRXPORTEN: |
279c60fd S |
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 | } | |
2ee95db2 | 1142 | break; |
4840b788 JW |
1143 | case MCE_RSP_CMD_ILLEGAL: |
1144 | ir->need_reset = true; | |
1145 | break; | |
2ee95db2 JW |
1146 | default: |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | ||
66e89522 JW |
1151 | static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len) |
1152 | { | |
183e19f5 | 1153 | struct ir_raw_event rawir = {}; |
b83bfd1b | 1154 | bool event = false; |
39dc5c3a | 1155 | int i = 0; |
66e89522 JW |
1156 | |
1157 | /* skip meaningless 0xb1 0x60 header bytes on orig receiver */ | |
1158 | if (ir->flags.microsoft_gen1) | |
39dc5c3a | 1159 | i = 2; |
66e89522 | 1160 | |
29b4494b JW |
1161 | /* if there's no data, just return now */ |
1162 | if (buf_len <= i) | |
1163 | return; | |
1164 | ||
39dc5c3a MCC |
1165 | for (; i < buf_len; i++) { |
1166 | switch (ir->parser_state) { | |
1167 | case SUBCMD: | |
76dea4cf | 1168 | ir->rem = mceusb_cmd_datasize(ir->cmd, ir->buf_in[i]); |
5c80992e | 1169 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, i - 1, |
36e9d260 | 1170 | ir->rem + 2, false); |
2ee95db2 | 1171 | mceusb_handle_command(ir, i); |
39dc5c3a MCC |
1172 | ir->parser_state = CMD_DATA; |
1173 | break; | |
1174 | case PARSE_IRDATA: | |
66e89522 | 1175 | ir->rem--; |
66e89522 | 1176 | rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0); |
279c60fd | 1177 | rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK); |
d4589935 SY |
1178 | if (unlikely(!rawir.duration)) { |
1179 | dev_warn(ir->dev, "nonsensical irdata %02x with duration 0", | |
1180 | ir->buf_in[i]); | |
1181 | break; | |
1182 | } | |
279c60fd S |
1183 | if (rawir.pulse) { |
1184 | ir->pulse_tunit += rawir.duration; | |
1185 | ir->pulse_count++; | |
1186 | } | |
1187 | rawir.duration *= US_TO_NS(MCE_TIME_UNIT); | |
66e89522 | 1188 | |
279c60fd | 1189 | dev_dbg(ir->dev, "Storing %s %u ns (%02x)", |
66e89522 | 1190 | rawir.pulse ? "pulse" : "space", |
279c60fd | 1191 | rawir.duration, ir->buf_in[i]); |
66e89522 | 1192 | |
b83bfd1b SY |
1193 | if (ir_raw_event_store_with_filter(ir->rc, &rawir)) |
1194 | event = true; | |
39dc5c3a MCC |
1195 | break; |
1196 | case CMD_DATA: | |
1197 | ir->rem--; | |
1198 | break; | |
1199 | case CMD_HEADER: | |
1200 | /* decode mce packets of the form (84),AA,BB,CC,DD */ | |
1201 | /* IR data packets can span USB messages - rem */ | |
1202 | ir->cmd = ir->buf_in[i]; | |
a6fbd3b7 JW |
1203 | if ((ir->cmd == MCE_CMD_PORT_IR) || |
1204 | ((ir->cmd & MCE_PORT_MASK) != | |
4a883918 | 1205 | MCE_COMMAND_IRDATA)) { |
39dc5c3a MCC |
1206 | ir->parser_state = SUBCMD; |
1207 | continue; | |
1208 | } | |
1209 | ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK); | |
5c80992e | 1210 | mceusb_dev_printdata(ir, ir->buf_in, buf_len, |
2ee95db2 | 1211 | i, ir->rem + 1, false); |
279c60fd | 1212 | if (ir->rem) { |
39dc5c3a | 1213 | ir->parser_state = PARSE_IRDATA; |
279c60fd | 1214 | } else { |
183e19f5 SY |
1215 | struct ir_raw_event ev = { |
1216 | .timeout = 1, | |
1217 | .duration = ir->rc->timeout | |
1218 | }; | |
1219 | ||
91352b57 | 1220 | if (ir_raw_event_store_with_filter(ir->rc, |
183e19f5 | 1221 | &ev)) |
91352b57 | 1222 | event = true; |
279c60fd S |
1223 | ir->pulse_tunit = 0; |
1224 | ir->pulse_count = 0; | |
1225 | } | |
39dc5c3a | 1226 | break; |
66e89522 JW |
1227 | } |
1228 | ||
39dc5c3a MCC |
1229 | if (ir->parser_state != CMD_HEADER && !ir->rem) |
1230 | ir->parser_state = CMD_HEADER; | |
66e89522 | 1231 | } |
b83bfd1b | 1232 | if (event) { |
6b4a16c3 | 1233 | dev_dbg(ir->dev, "processed IR data"); |
b83bfd1b SY |
1234 | ir_raw_event_handle(ir->rc); |
1235 | } | |
66e89522 JW |
1236 | } |
1237 | ||
6ac454aa | 1238 | static void mceusb_dev_recv(struct urb *urb) |
66e89522 JW |
1239 | { |
1240 | struct mceusb_dev *ir; | |
66e89522 JW |
1241 | |
1242 | if (!urb) | |
1243 | return; | |
1244 | ||
1245 | ir = urb->context; | |
1246 | if (!ir) { | |
1247 | usb_unlink_urb(urb); | |
1248 | return; | |
1249 | } | |
1250 | ||
66e89522 JW |
1251 | switch (urb->status) { |
1252 | /* success */ | |
1253 | case 0: | |
d26cec22 | 1254 | mceusb_process_ir_data(ir, urb->actual_length); |
66e89522 JW |
1255 | break; |
1256 | ||
1257 | case -ECONNRESET: | |
1258 | case -ENOENT: | |
6b4a16c3 | 1259 | case -EILSEQ: |
66e89522 JW |
1260 | case -ESHUTDOWN: |
1261 | usb_unlink_urb(urb); | |
1262 | return; | |
1263 | ||
1264 | case -EPIPE: | |
a06854a6 S |
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 | ||
66e89522 | 1270 | default: |
6b4a16c3 | 1271 | dev_err(ir->dev, "Error: urb status = %d", urb->status); |
66e89522 JW |
1272 | break; |
1273 | } | |
1274 | ||
1275 | usb_submit_urb(urb, GFP_ATOMIC); | |
1276 | } | |
1277 | ||
ab1072eb JW |
1278 | static void mceusb_get_emulator_version(struct mceusb_dev *ir) |
1279 | { | |
1280 | /* If we get no reply or an illegal command reply, its ver 1, says MS */ | |
1281 | ir->emver = 1; | |
1282 | mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER)); | |
1283 | } | |
1284 | ||
66e89522 JW |
1285 | static void mceusb_gen1_init(struct mceusb_dev *ir) |
1286 | { | |
ca17a4f0 | 1287 | int ret; |
66e89522 | 1288 | struct device *dev = ir->dev; |
b48592e4 | 1289 | char *data; |
657290b6 JW |
1290 | |
1291 | data = kzalloc(USB_CTRL_MSG_SZ, GFP_KERNEL); | |
1292 | if (!data) { | |
6b4a16c3 | 1293 | dev_err(dev, "%s: memory allocation failed!", __func__); |
657290b6 JW |
1294 | return; |
1295 | } | |
66e89522 JW |
1296 | |
1297 | /* | |
b48592e4 | 1298 | * This is a strange one. Windows issues a set address to the device |
66e89522 JW |
1299 | * on the receive control pipe and expect a certain value pair back |
1300 | */ | |
66e89522 JW |
1301 | ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), |
1302 | USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, | |
657290b6 | 1303 | data, USB_CTRL_MSG_SZ, HZ * 3); |
6b4a16c3 SY |
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]); | |
66e89522 JW |
1307 | |
1308 | /* set feature: bit rate 38400 bps */ | |
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 | ||
6b4a16c3 | 1313 | dev_dbg(dev, "set feature - ret = %d", ret); |
66e89522 JW |
1314 | |
1315 | /* bRequest 4: set char length to 8 bits */ | |
1316 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1317 | 4, USB_TYPE_VENDOR, | |
1318 | 0x0808, 0x0000, NULL, 0, HZ * 3); | |
6b4a16c3 | 1319 | dev_dbg(dev, "set char length - retB = %d", ret); |
66e89522 JW |
1320 | |
1321 | /* bRequest 2: set handshaking to use DTR/DSR */ | |
1322 | ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), | |
1323 | 2, USB_TYPE_VENDOR, | |
1324 | 0x0000, 0x0100, NULL, 0, HZ * 3); | |
6b4a16c3 | 1325 | dev_dbg(dev, "set handshake - retC = %d", ret); |
657290b6 | 1326 | |
a6fbd3b7 JW |
1327 | /* device resume */ |
1328 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
22b0766b JW |
1329 | |
1330 | /* get hw/sw revision? */ | |
1331 | mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION)); | |
22b0766b | 1332 | |
657290b6 | 1333 | kfree(data); |
8dfef674 | 1334 | } |
66e89522 JW |
1335 | |
1336 | static void mceusb_gen2_init(struct mceusb_dev *ir) | |
1337 | { | |
a6fbd3b7 JW |
1338 | /* device resume */ |
1339 | mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME)); | |
66e89522 | 1340 | |
a6fbd3b7 JW |
1341 | /* get wake version (protocol, key, address) */ |
1342 | mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION)); | |
1343 | ||
1344 | /* unknown what this one actually returns... */ | |
22b0766b | 1345 | mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2)); |
66e89522 JW |
1346 | } |
1347 | ||
22b0766b | 1348 | static void mceusb_get_parameters(struct mceusb_dev *ir) |
66e89522 | 1349 | { |
a411e839 JW |
1350 | int i; |
1351 | unsigned char cmdbuf[3] = { MCE_CMD_PORT_SYS, | |
1352 | MCE_CMD_GETPORTSTATUS, 0x00 }; | |
1353 | ||
1354 | /* defaults, if the hardware doesn't support querying */ | |
1355 | ir->num_txports = 2; | |
1356 | ir->num_rxports = 2; | |
1357 | ||
1358 | /* get number of tx and rx ports */ | |
1359 | mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS)); | |
1360 | ||
66e89522 JW |
1361 | /* get the carrier and frequency */ |
1362 | mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ)); | |
66e89522 | 1363 | |
a411e839 | 1364 | if (ir->num_txports && !ir->flags.no_tx) |
6f6c625d JW |
1365 | /* get the transmitter bitmask */ |
1366 | mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK)); | |
66e89522 JW |
1367 | |
1368 | /* get receiver timeout value */ | |
1369 | mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT)); | |
66e89522 JW |
1370 | |
1371 | /* get receiver sensor setting */ | |
1372 | mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR)); | |
a411e839 JW |
1373 | |
1374 | for (i = 0; i < ir->num_txports; i++) { | |
1375 | cmdbuf[2] = i; | |
1376 | mce_async_out(ir, cmdbuf, sizeof(cmdbuf)); | |
1377 | } | |
66e89522 JW |
1378 | } |
1379 | ||
b71969be JW |
1380 | static 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 | ||
a06854a6 S |
1388 | /* |
1389 | * Workqueue function | |
1390 | * for resetting or recovering device after occurrence of error events | |
1391 | * specified in ir->kevent bit field. | |
1392 | * Function runs (via schedule_work()) in non-interrupt context, for | |
1393 | * calls here (such as usb_clear_halt()) requiring non-interrupt context. | |
1394 | */ | |
1395 | static 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); | |
a06854a6 S |
1407 | } |
1408 | clear_bit(EVENT_RX_HALT, &ir->kevent_flags); | |
c779a9cd S |
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 | } | |
a06854a6 S |
1416 | } |
1417 | } | |
c779a9cd S |
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 | } | |
a06854a6 S |
1425 | } |
1426 | ||
e947d9ad | 1427 | static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) |
66e89522 | 1428 | { |
e947d9ad | 1429 | struct usb_device *udev = ir->usbdev; |
66e89522 | 1430 | struct device *dev = ir->dev; |
d8b4b582 DH |
1431 | struct rc_dev *rc; |
1432 | int ret; | |
66e89522 | 1433 | |
0f7499fd | 1434 | rc = rc_allocate_device(RC_DRIVER_IR_RAW); |
d8b4b582 | 1435 | if (!rc) { |
6b4a16c3 | 1436 | dev_err(dev, "remote dev allocation failed"); |
d8b4b582 | 1437 | goto out; |
66e89522 JW |
1438 | } |
1439 | ||
3459d455 | 1440 | snprintf(ir->name, sizeof(ir->name), "%s (%04x:%04x)", |
d8b4b582 | 1441 | mceusb_model[ir->model].name ? |
5ad1a555 | 1442 | mceusb_model[ir->model].name : |
d8b4b582 | 1443 | "Media Center Ed. eHome Infrared Remote Transceiver", |
66e89522 JW |
1444 | le16_to_cpu(ir->usbdev->descriptor.idVendor), |
1445 | le16_to_cpu(ir->usbdev->descriptor.idProduct)); | |
1446 | ||
66e89522 | 1447 | usb_make_path(ir->usbdev, ir->phys, sizeof(ir->phys)); |
66e89522 | 1448 | |
518f4b26 | 1449 | rc->device_name = ir->name; |
d8b4b582 DH |
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; | |
6d741bfe | 1454 | rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; |
877f1a7c | 1455 | rc->min_timeout = US_TO_NS(MCE_TIME_UNIT); |
9824ae4a | 1456 | rc->timeout = MS_TO_NS(100); |
aec3eadf SY |
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 | * If we can't set the timeout using CMD_SETIRTIMEOUT, we can | |
1463 | * rely on software timeouts for timeouts < 100ms. | |
1464 | */ | |
1465 | rc->max_timeout = rc->timeout; | |
1466 | } | |
6f6c625d | 1467 | if (!ir->flags.no_tx) { |
d8b4b582 DH |
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; | |
6f6c625d | 1471 | } |
279c60fd S |
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 | } | |
d8b4b582 | 1476 | rc->driver_name = DRIVER_NAME; |
5b8c8d41 MCC |
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; | |
66e89522 | 1490 | |
d8b4b582 | 1491 | ret = rc_register_device(rc); |
66e89522 | 1492 | if (ret < 0) { |
6b4a16c3 | 1493 | dev_err(dev, "remote dev registration failed"); |
d8b4b582 | 1494 | goto out; |
66e89522 JW |
1495 | } |
1496 | ||
d8b4b582 | 1497 | return rc; |
66e89522 | 1498 | |
d8b4b582 DH |
1499 | out: |
1500 | rc_free_device(rc); | |
66e89522 JW |
1501 | return NULL; |
1502 | } | |
1503 | ||
4c62e976 GKH |
1504 | static int mceusb_dev_probe(struct usb_interface *intf, |
1505 | const struct usb_device_id *id) | |
66e89522 JW |
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; | |
66e89522 | 1512 | struct mceusb_dev *ir = NULL; |
e1159cb3 | 1513 | int pipe, maxp, i, res; |
66e89522 | 1514 | char buf[63], name[128] = ""; |
37dbd3a6 | 1515 | enum mceusb_model_type model = id->driver_info; |
66e89522 JW |
1516 | bool is_gen3; |
1517 | bool is_microsoft_gen1; | |
d8cc7fd7 | 1518 | bool tx_mask_normal; |
a6994eb0 | 1519 | int ir_intfnum; |
66e89522 | 1520 | |
6b4a16c3 | 1521 | dev_dbg(&intf->dev, "%s called", __func__); |
66e89522 | 1522 | |
66e89522 JW |
1523 | idesc = intf->cur_altsetting; |
1524 | ||
37dbd3a6 MCC |
1525 | is_gen3 = mceusb_model[model].mce_gen3; |
1526 | is_microsoft_gen1 = mceusb_model[model].mce_gen1; | |
d8cc7fd7 | 1527 | tx_mask_normal = mceusb_model[model].tx_mask_normal; |
a6994eb0 | 1528 | ir_intfnum = mceusb_model[model].ir_intfnum; |
56e92f60 | 1529 | |
a6994eb0 JW |
1530 | /* There are multi-function devices with non-IR interfaces */ |
1531 | if (idesc->desc.bInterfaceNumber != ir_intfnum) | |
1532 | return -ENODEV; | |
66e89522 JW |
1533 | |
1534 | /* step through the endpoints to find first bulk in and out endpoint */ | |
1535 | for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { | |
1536 | ep = &idesc->endpoint[i].desc; | |
1537 | ||
0cacb46a MD |
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 | } | |
66e89522 JW |
1547 | } |
1548 | ||
0cacb46a MD |
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 | } | |
66e89522 JW |
1558 | } |
1559 | } | |
03eb2a55 JH |
1560 | if (!ep_in || !ep_out) { |
1561 | dev_dbg(&intf->dev, "required endpoints not found\n"); | |
66e89522 JW |
1562 | return -ENODEV; |
1563 | } | |
1564 | ||
0cacb46a MD |
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); | |
66e89522 JW |
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 | ||
a06854a6 | 1575 | ir->pipe_in = pipe; |
66e89522 JW |
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 | ||
e947d9ad | 1584 | ir->usbdev = usb_get_dev(dev); |
66e89522 JW |
1585 | ir->dev = &intf->dev; |
1586 | ir->len_in = maxp; | |
66e89522 | 1587 | ir->flags.microsoft_gen1 = is_microsoft_gen1; |
d8cc7fd7 | 1588 | ir->flags.tx_mask_normal = tx_mask_normal; |
6f6c625d | 1589 | ir->flags.no_tx = mceusb_model[model].no_tx; |
279c60fd | 1590 | ir->flags.rx2 = mceusb_model[model].rx2; |
37dbd3a6 MCC |
1591 | ir->model = model; |
1592 | ||
66e89522 | 1593 | /* Saving usb interface data for use by the transmitter routine */ |
66e89522 | 1594 | ir->usb_ep_out = ep_out; |
c779a9cd S |
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); | |
66e89522 JW |
1601 | |
1602 | if (dev->descriptor.iManufacturer | |
1603 | && usb_string(dev, dev->descriptor.iManufacturer, | |
1604 | buf, sizeof(buf)) > 0) | |
c0decac1 | 1605 | strscpy(name, buf, sizeof(name)); |
66e89522 JW |
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 | ||
a06854a6 S |
1612 | /* |
1613 | * Initialize async USB error handler before registering | |
1614 | * or activating any mceusb RX and TX functions | |
1615 | */ | |
1616 | INIT_WORK(&ir->kevent, mceusb_deferred_kevent); | |
1617 | ||
e947d9ad | 1618 | ir->rc = mceusb_init_rc_dev(ir); |
d8b4b582 DH |
1619 | if (!ir->rc) |
1620 | goto rc_dev_fail; | |
66e89522 | 1621 | |
b48592e4 | 1622 | /* wire up inbound data handler */ |
8e175b22 S |
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 | ||
66e89522 JW |
1630 | ir->urb_in->transfer_dma = ir->dma_in; |
1631 | ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1632 | ||
3a918aa6 | 1633 | /* flush buffers on the device */ |
5c80992e | 1634 | dev_dbg(&intf->dev, "Flushing receive buffers"); |
e1159cb3 SY |
1635 | res = usb_submit_urb(ir->urb_in, GFP_KERNEL); |
1636 | if (res) | |
5c80992e | 1637 | dev_err(&intf->dev, "failed to flush buffers: %d", res); |
3a918aa6 | 1638 | |
ab1072eb JW |
1639 | /* figure out which firmware/emulator version this hardware has */ |
1640 | mceusb_get_emulator_version(ir); | |
1641 | ||
66e89522 | 1642 | /* initialize device */ |
22b0766b | 1643 | if (ir->flags.microsoft_gen1) |
66e89522 | 1644 | mceusb_gen1_init(ir); |
22b0766b | 1645 | else if (!is_gen3) |
66e89522 JW |
1646 | mceusb_gen2_init(ir); |
1647 | ||
22b0766b | 1648 | mceusb_get_parameters(ir); |
66e89522 | 1649 | |
b71969be JW |
1650 | mceusb_flash_led(ir); |
1651 | ||
6f6c625d | 1652 | if (!ir->flags.no_tx) |
d8b4b582 | 1653 | mceusb_set_tx_mask(ir->rc, MCE_DEFAULT_TX_MASK); |
66e89522 JW |
1654 | |
1655 | usb_set_intfdata(intf, ir); | |
1656 | ||
fa334898 JW |
1657 | /* enable wake via this device */ |
1658 | device_set_wakeup_capable(ir->dev, true); | |
1659 | device_set_wakeup_enable(ir->dev, true); | |
1660 | ||
6b4a16c3 SY |
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)", | |
a411e839 JW |
1664 | ir->num_txports, ir->txports_cabled, |
1665 | ir->num_rxports, ir->rxports_active); | |
66e89522 JW |
1666 | |
1667 | return 0; | |
1668 | ||
1669 | /* Error-handling path */ | |
d8b4b582 | 1670 | rc_dev_fail: |
a06854a6 | 1671 | cancel_work_sync(&ir->kevent); |
e947d9ad | 1672 | usb_put_dev(ir->usbdev); |
e1159cb3 | 1673 | usb_kill_urb(ir->urb_in); |
66e89522 JW |
1674 | usb_free_urb(ir->urb_in); |
1675 | urb_in_alloc_fail: | |
1676 | usb_free_coherent(dev, maxp, ir->buf_in, ir->dma_in); | |
1677 | buf_in_alloc_fail: | |
1678 | kfree(ir); | |
1679 | mem_alloc_fail: | |
6b4a16c3 | 1680 | dev_err(&intf->dev, "%s: device setup failed!", __func__); |
66e89522 JW |
1681 | |
1682 | return -ENOMEM; | |
1683 | } | |
1684 | ||
1685 | ||
4c62e976 | 1686 | static void mceusb_dev_disconnect(struct usb_interface *intf) |
66e89522 JW |
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; | |
a06854a6 | 1697 | cancel_work_sync(&ir->kevent); |
d8b4b582 | 1698 | rc_unregister_device(ir->rc); |
66e89522 JW |
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); | |
e947d9ad | 1702 | usb_put_dev(dev); |
66e89522 JW |
1703 | |
1704 | kfree(ir); | |
1705 | } | |
1706 | ||
1707 | static int mceusb_dev_suspend(struct usb_interface *intf, pm_message_t message) | |
1708 | { | |
1709 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1710 | dev_info(ir->dev, "suspend"); |
66e89522 JW |
1711 | usb_kill_urb(ir->urb_in); |
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | static int mceusb_dev_resume(struct usb_interface *intf) | |
1716 | { | |
1717 | struct mceusb_dev *ir = usb_get_intfdata(intf); | |
6b4a16c3 | 1718 | dev_info(ir->dev, "resume"); |
66e89522 JW |
1719 | if (usb_submit_urb(ir->urb_in, GFP_ATOMIC)) |
1720 | return -EIO; | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | static struct usb_driver mceusb_dev_driver = { | |
1725 | .name = DRIVER_NAME, | |
1726 | .probe = mceusb_dev_probe, | |
4c62e976 | 1727 | .disconnect = mceusb_dev_disconnect, |
66e89522 JW |
1728 | .suspend = mceusb_dev_suspend, |
1729 | .resume = mceusb_dev_resume, | |
1730 | .reset_resume = mceusb_dev_resume, | |
1731 | .id_table = mceusb_dev_table | |
1732 | }; | |
1733 | ||
ecb3b2b3 | 1734 | module_usb_driver(mceusb_dev_driver); |
66e89522 JW |
1735 | |
1736 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1737 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1738 | MODULE_LICENSE("GPL"); | |
1739 | MODULE_DEVICE_TABLE(usb, mceusb_dev_table); |