| 1 | /* $NetBSD: usbdi_util.c,v 1.65 2016/04/23 10:15:32 skrll Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1998, 2012 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Lennart Augustsson (lennart@augustsson.net) at |
| 9 | * Carlstedt Research & Technology and Matthew R. Green (mrg@eterna.com.au). |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: usbdi_util.c,v 1.65 2016/04/23 10:15:32 skrll Exp $" ); |
| 35 | |
| 36 | #ifdef _KERNEL_OPT |
| 37 | #include "opt_usb.h" |
| 38 | #endif |
| 39 | |
| 40 | #include <sys/param.h> |
| 41 | #include <sys/systm.h> |
| 42 | #include <sys/kernel.h> |
| 43 | #include <sys/kmem.h> |
| 44 | #include <sys/proc.h> |
| 45 | #include <sys/device.h> |
| 46 | #include <sys/bus.h> |
| 47 | |
| 48 | #include <dev/usb/usb.h> |
| 49 | #include <dev/usb/usbhid.h> |
| 50 | #include <dev/usb/usbdi.h> |
| 51 | #include <dev/usb/usbdivar.h> |
| 52 | #include <dev/usb/usbdi_util.h> |
| 53 | #include <dev/usb/usbhist.h> |
| 54 | |
| 55 | #define DPRINTF(FMT,A,B,C,D) USBHIST_LOGN(usbdebug,1,FMT,A,B,C,D) |
| 56 | #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbdebug,N,FMT,A,B,C,D) |
| 57 | |
| 58 | usbd_status |
| 59 | usbd_get_desc(struct usbd_device *dev, int type, int index, int len, void *desc) |
| 60 | { |
| 61 | usb_device_request_t req; |
| 62 | |
| 63 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 64 | |
| 65 | DPRINTFN(3,"type=%d, index=%d, len=%d" , type, index, len, 0); |
| 66 | |
| 67 | req.bmRequestType = UT_READ_DEVICE; |
| 68 | req.bRequest = UR_GET_DESCRIPTOR; |
| 69 | USETW2(req.wValue, type, index); |
| 70 | USETW(req.wIndex, 0); |
| 71 | USETW(req.wLength, len); |
| 72 | return usbd_do_request(dev, &req, desc); |
| 73 | } |
| 74 | |
| 75 | usbd_status |
| 76 | usbd_get_config_desc(struct usbd_device *dev, int confidx, |
| 77 | usb_config_descriptor_t *d) |
| 78 | { |
| 79 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 80 | usbd_status err; |
| 81 | |
| 82 | DPRINTFN(3, "confidx=%d" , confidx, 0, 0, 0); |
| 83 | err = usbd_get_desc(dev, UDESC_CONFIG, confidx, |
| 84 | USB_CONFIG_DESCRIPTOR_SIZE, d); |
| 85 | if (err) |
| 86 | return err; |
| 87 | if (d->bDescriptorType != UDESC_CONFIG) { |
| 88 | DPRINTFN(1, "confidx=%d, bad desc len=%d type=%d" , |
| 89 | confidx, d->bLength, d->bDescriptorType, 0); |
| 90 | return USBD_INVAL; |
| 91 | } |
| 92 | return USBD_NORMAL_COMPLETION; |
| 93 | } |
| 94 | |
| 95 | usbd_status |
| 96 | usbd_get_config_desc_full(struct usbd_device *dev, int conf, void *d, int size) |
| 97 | { |
| 98 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 99 | |
| 100 | DPRINTFN(3, "conf=%d" , conf, 0, 0, 0); |
| 101 | return usbd_get_desc(dev, UDESC_CONFIG, conf, size, d); |
| 102 | } |
| 103 | |
| 104 | usbd_status |
| 105 | usbd_get_bos_desc(struct usbd_device *dev, int confidx, |
| 106 | usb_bos_descriptor_t *d) |
| 107 | { |
| 108 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 109 | usbd_status err; |
| 110 | |
| 111 | DPRINTFN(3, "confidx=%d" , confidx, 0, 0, 0); |
| 112 | err = usbd_get_desc(dev, UDESC_BOS, confidx, |
| 113 | USB_BOS_DESCRIPTOR_SIZE, d); |
| 114 | if (err) |
| 115 | return (err); |
| 116 | if (d->bDescriptorType != UDESC_BOS) { |
| 117 | DPRINTFN(1, "confidx=%d, bad desc len=%d type=%d" , |
| 118 | confidx, d->bLength, d->bDescriptorType, 0); |
| 119 | return USBD_INVAL; |
| 120 | } |
| 121 | return USBD_NORMAL_COMPLETION; |
| 122 | } |
| 123 | |
| 124 | usbd_status |
| 125 | usbd_get_bos_desc_full(struct usbd_device *dev, int conf, void *d, int size) |
| 126 | { |
| 127 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 128 | |
| 129 | DPRINTFN(3, "conf=%d" , conf, 0, 0, 0); |
| 130 | return usbd_get_desc(dev, UDESC_BOS, conf, size, d); |
| 131 | } |
| 132 | |
| 133 | usbd_status |
| 134 | usbd_get_device_desc(struct usbd_device *dev, usb_device_descriptor_t *d) |
| 135 | { |
| 136 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 137 | |
| 138 | return (usbd_get_desc(dev, UDESC_DEVICE, |
| 139 | 0, USB_DEVICE_DESCRIPTOR_SIZE, d)); |
| 140 | } |
| 141 | |
| 142 | usbd_status |
| 143 | usbd_get_device_status(struct usbd_device *dev, usb_status_t *st) |
| 144 | { |
| 145 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 146 | usb_device_request_t req; |
| 147 | |
| 148 | req.bmRequestType = UT_READ_DEVICE; |
| 149 | req.bRequest = UR_GET_STATUS; |
| 150 | USETW(req.wValue, 0); |
| 151 | USETW(req.wIndex, 0); |
| 152 | USETW(req.wLength, sizeof(usb_status_t)); |
| 153 | return usbd_do_request(dev, &req, st); |
| 154 | } |
| 155 | |
| 156 | usbd_status |
| 157 | usbd_get_hub_status(struct usbd_device *dev, usb_hub_status_t *st) |
| 158 | { |
| 159 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 160 | usb_device_request_t req; |
| 161 | |
| 162 | DPRINTF("dev %p" , dev, 0, 0, 0); |
| 163 | req.bmRequestType = UT_READ_CLASS_DEVICE; |
| 164 | req.bRequest = UR_GET_STATUS; |
| 165 | USETW(req.wValue, 0); |
| 166 | USETW(req.wIndex, 0); |
| 167 | USETW(req.wLength, sizeof(usb_hub_status_t)); |
| 168 | return usbd_do_request(dev, &req, st); |
| 169 | } |
| 170 | |
| 171 | usbd_status |
| 172 | usbd_set_address(struct usbd_device *dev, int addr) |
| 173 | { |
| 174 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 175 | usb_device_request_t req; |
| 176 | |
| 177 | DPRINTF("dev %p addr %d" , dev, addr, 0, 0); |
| 178 | req.bmRequestType = UT_WRITE_DEVICE; |
| 179 | req.bRequest = UR_SET_ADDRESS; |
| 180 | USETW(req.wValue, addr); |
| 181 | USETW(req.wIndex, 0); |
| 182 | USETW(req.wLength, 0); |
| 183 | return usbd_do_request(dev, &req, 0); |
| 184 | } |
| 185 | |
| 186 | usbd_status |
| 187 | usbd_get_port_status(struct usbd_device *dev, int port, usb_port_status_t *ps) |
| 188 | { |
| 189 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 190 | usb_device_request_t req; |
| 191 | |
| 192 | DPRINTF("dev %p port %d" , dev, port, 0, 0); |
| 193 | req.bmRequestType = UT_READ_CLASS_OTHER; |
| 194 | req.bRequest = UR_GET_STATUS; |
| 195 | USETW(req.wValue, 0); |
| 196 | USETW(req.wIndex, port); |
| 197 | USETW(req.wLength, sizeof(*ps)); |
| 198 | return usbd_do_request(dev, &req, ps); |
| 199 | } |
| 200 | |
| 201 | /* USB 3.1 10.16.2.6, 10.16.2.6.3 */ |
| 202 | usbd_status |
| 203 | usbd_get_port_status_ext(struct usbd_device *dev, int port, |
| 204 | usb_port_status_ext_t *pse) |
| 205 | { |
| 206 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 207 | usb_device_request_t req; |
| 208 | |
| 209 | DPRINTF("dev %p port %d" , dev, port, 0, 0); |
| 210 | req.bmRequestType = UT_READ_CLASS_OTHER; |
| 211 | req.bRequest = UR_GET_STATUS; |
| 212 | USETW2(req.wValue, 0, UR_PST_EXT_PORT_STATUS); |
| 213 | USETW(req.wIndex, port); |
| 214 | USETW(req.wLength, sizeof(*pse)); |
| 215 | return (usbd_do_request(dev, &req, pse)); |
| 216 | } |
| 217 | |
| 218 | usbd_status |
| 219 | usbd_clear_hub_feature(struct usbd_device *dev, int sel) |
| 220 | { |
| 221 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 222 | usb_device_request_t req; |
| 223 | |
| 224 | DPRINTF("dev %p sel %d" , dev, sel, 0, 0); |
| 225 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
| 226 | req.bRequest = UR_CLEAR_FEATURE; |
| 227 | USETW(req.wValue, sel); |
| 228 | USETW(req.wIndex, 0); |
| 229 | USETW(req.wLength, 0); |
| 230 | return usbd_do_request(dev, &req, 0); |
| 231 | } |
| 232 | |
| 233 | usbd_status |
| 234 | usbd_set_hub_feature(struct usbd_device *dev, int sel) |
| 235 | { |
| 236 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 237 | usb_device_request_t req; |
| 238 | |
| 239 | DPRINTF("dev %p sel %d" , dev, sel, 0, 0); |
| 240 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
| 241 | req.bRequest = UR_SET_FEATURE; |
| 242 | USETW(req.wValue, sel); |
| 243 | USETW(req.wIndex, 0); |
| 244 | USETW(req.wLength, 0); |
| 245 | return usbd_do_request(dev, &req, 0); |
| 246 | } |
| 247 | |
| 248 | usbd_status |
| 249 | usbd_clear_port_feature(struct usbd_device *dev, int port, int sel) |
| 250 | { |
| 251 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 252 | usb_device_request_t req; |
| 253 | |
| 254 | DPRINTF("dev %p port %d sel %d" , dev, port, sel, 0); |
| 255 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
| 256 | req.bRequest = UR_CLEAR_FEATURE; |
| 257 | USETW(req.wValue, sel); |
| 258 | USETW(req.wIndex, port); |
| 259 | USETW(req.wLength, 0); |
| 260 | return usbd_do_request(dev, &req, 0); |
| 261 | } |
| 262 | |
| 263 | usbd_status |
| 264 | usbd_set_port_feature(struct usbd_device *dev, int port, int sel) |
| 265 | { |
| 266 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 267 | usb_device_request_t req; |
| 268 | |
| 269 | DPRINTF("dev %p port %d sel %d" , dev, sel, 0, 0); |
| 270 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
| 271 | req.bRequest = UR_SET_FEATURE; |
| 272 | USETW(req.wValue, sel); |
| 273 | USETW(req.wIndex, port); |
| 274 | USETW(req.wLength, 0); |
| 275 | return usbd_do_request(dev, &req, 0); |
| 276 | } |
| 277 | |
| 278 | usbd_status |
| 279 | usbd_set_port_u1_timeout(struct usbd_device *dev, int port, int timeout) |
| 280 | { |
| 281 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 282 | usb_device_request_t req; |
| 283 | |
| 284 | DPRINTF("dev %p port %d timeout %d" , dev, port, timeout, 0); |
| 285 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
| 286 | req.bRequest = UR_SET_FEATURE; |
| 287 | USETW(req.wValue, UHF_PORT_U1_TIMEOUT); |
| 288 | USETW2(req.wIndex, timeout, port); |
| 289 | USETW(req.wLength, 0); |
| 290 | return usbd_do_request(dev, &req, 0); |
| 291 | } |
| 292 | |
| 293 | usbd_status |
| 294 | usbd_set_port_u2_timeout(struct usbd_device *dev, int port, int timeout) |
| 295 | { |
| 296 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 297 | usb_device_request_t req; |
| 298 | |
| 299 | DPRINTF("dev %p port %d timeout %d" , dev, port, timeout, 0); |
| 300 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
| 301 | req.bRequest = UR_SET_FEATURE; |
| 302 | USETW(req.wValue, UHF_PORT_U2_TIMEOUT); |
| 303 | USETW2(req.wIndex, timeout, port); |
| 304 | USETW(req.wLength, 0); |
| 305 | return usbd_do_request(dev, &req, 0); |
| 306 | } |
| 307 | |
| 308 | usbd_status |
| 309 | usbd_get_protocol(struct usbd_interface *iface, uint8_t *report) |
| 310 | { |
| 311 | usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface); |
| 312 | struct usbd_device *dev; |
| 313 | usb_device_request_t req; |
| 314 | |
| 315 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 316 | |
| 317 | DPRINTFN(4, "iface=%p, endpt=%d" , iface, id->bInterfaceNumber, 0, 0); |
| 318 | if (id == NULL) |
| 319 | return USBD_IOERROR; |
| 320 | usbd_interface2device_handle(iface, &dev); |
| 321 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
| 322 | req.bRequest = UR_GET_PROTOCOL; |
| 323 | USETW(req.wValue, 0); |
| 324 | USETW(req.wIndex, id->bInterfaceNumber); |
| 325 | USETW(req.wLength, 1); |
| 326 | return usbd_do_request(dev, &req, report); |
| 327 | } |
| 328 | |
| 329 | usbd_status |
| 330 | usbd_set_protocol(struct usbd_interface *iface, int report) |
| 331 | { |
| 332 | usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface); |
| 333 | struct usbd_device *dev; |
| 334 | usb_device_request_t req; |
| 335 | |
| 336 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 337 | |
| 338 | DPRINTFN(4, "iface=%p, report=%d, endpt=%d" , iface, report, |
| 339 | id->bInterfaceNumber, 0); |
| 340 | if (id == NULL) |
| 341 | return USBD_IOERROR; |
| 342 | usbd_interface2device_handle(iface, &dev); |
| 343 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 344 | req.bRequest = UR_SET_PROTOCOL; |
| 345 | USETW(req.wValue, report); |
| 346 | USETW(req.wIndex, id->bInterfaceNumber); |
| 347 | USETW(req.wLength, 0); |
| 348 | return usbd_do_request(dev, &req, 0); |
| 349 | } |
| 350 | |
| 351 | usbd_status |
| 352 | usbd_set_report(struct usbd_interface *iface, int type, int id, void *data, |
| 353 | int len) |
| 354 | { |
| 355 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
| 356 | struct usbd_device *dev; |
| 357 | usb_device_request_t req; |
| 358 | |
| 359 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 360 | |
| 361 | DPRINTFN(4, "len=%d" , len, 0, 0, 0); |
| 362 | if (ifd == NULL) |
| 363 | return USBD_IOERROR; |
| 364 | usbd_interface2device_handle(iface, &dev); |
| 365 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 366 | req.bRequest = UR_SET_REPORT; |
| 367 | USETW2(req.wValue, type, id); |
| 368 | USETW(req.wIndex, ifd->bInterfaceNumber); |
| 369 | USETW(req.wLength, len); |
| 370 | return usbd_do_request(dev, &req, data); |
| 371 | } |
| 372 | |
| 373 | usbd_status |
| 374 | usbd_get_report(struct usbd_interface *iface, int type, int id, void *data, |
| 375 | int len) |
| 376 | { |
| 377 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
| 378 | struct usbd_device *dev; |
| 379 | usb_device_request_t req; |
| 380 | |
| 381 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 382 | |
| 383 | DPRINTFN(4, "len=%d" , len, 0, 0, 0); |
| 384 | if (ifd == NULL) |
| 385 | return USBD_IOERROR; |
| 386 | usbd_interface2device_handle(iface, &dev); |
| 387 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
| 388 | req.bRequest = UR_GET_REPORT; |
| 389 | USETW2(req.wValue, type, id); |
| 390 | USETW(req.wIndex, ifd->bInterfaceNumber); |
| 391 | USETW(req.wLength, len); |
| 392 | return usbd_do_request(dev, &req, data); |
| 393 | } |
| 394 | |
| 395 | usbd_status |
| 396 | usbd_set_idle(struct usbd_interface *iface, int duration, int id) |
| 397 | { |
| 398 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
| 399 | struct usbd_device *dev; |
| 400 | usb_device_request_t req; |
| 401 | |
| 402 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 403 | |
| 404 | DPRINTFN(4, "duration %d id %d" , duration, id, 0, 0); |
| 405 | if (ifd == NULL) |
| 406 | return USBD_IOERROR; |
| 407 | usbd_interface2device_handle(iface, &dev); |
| 408 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 409 | req.bRequest = UR_SET_IDLE; |
| 410 | USETW2(req.wValue, duration, id); |
| 411 | USETW(req.wIndex, ifd->bInterfaceNumber); |
| 412 | USETW(req.wLength, 0); |
| 413 | return usbd_do_request(dev, &req, 0); |
| 414 | } |
| 415 | |
| 416 | usbd_status |
| 417 | usbd_get_report_descriptor(struct usbd_device *dev, int ifcno, |
| 418 | int size, void *d) |
| 419 | { |
| 420 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 421 | usb_device_request_t req; |
| 422 | |
| 423 | DPRINTF("dev %p ifcno %d size %d" , dev, ifcno, size, 0); |
| 424 | req.bmRequestType = UT_READ_INTERFACE; |
| 425 | req.bRequest = UR_GET_DESCRIPTOR; |
| 426 | USETW2(req.wValue, UDESC_REPORT, 0); /* report id should be 0 */ |
| 427 | USETW(req.wIndex, ifcno); |
| 428 | USETW(req.wLength, size); |
| 429 | return usbd_do_request(dev, &req, d); |
| 430 | } |
| 431 | |
| 432 | usb_hid_descriptor_t * |
| 433 | usbd_get_hid_descriptor(struct usbd_interface *ifc) |
| 434 | { |
| 435 | usb_interface_descriptor_t *idesc = usbd_get_interface_descriptor(ifc); |
| 436 | struct usbd_device *dev; |
| 437 | usb_config_descriptor_t *cdesc; |
| 438 | usb_hid_descriptor_t *hd; |
| 439 | char *p, *end; |
| 440 | |
| 441 | if (idesc == NULL) |
| 442 | return NULL; |
| 443 | usbd_interface2device_handle(ifc, &dev); |
| 444 | cdesc = usbd_get_config_descriptor(dev); |
| 445 | |
| 446 | p = (char *)idesc + idesc->bLength; |
| 447 | end = (char *)cdesc + UGETW(cdesc->wTotalLength); |
| 448 | |
| 449 | for (; p < end; p += hd->bLength) { |
| 450 | hd = (usb_hid_descriptor_t *)p; |
| 451 | if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID) |
| 452 | return hd; |
| 453 | if (hd->bDescriptorType == UDESC_INTERFACE) |
| 454 | break; |
| 455 | } |
| 456 | return NULL; |
| 457 | } |
| 458 | |
| 459 | usbd_status |
| 460 | usbd_read_report_desc(struct usbd_interface *ifc, void **descp, int *sizep) |
| 461 | { |
| 462 | usb_interface_descriptor_t *id; |
| 463 | usb_hid_descriptor_t *hid; |
| 464 | struct usbd_device *dev; |
| 465 | usbd_status err; |
| 466 | |
| 467 | usbd_interface2device_handle(ifc, &dev); |
| 468 | id = usbd_get_interface_descriptor(ifc); |
| 469 | if (id == NULL) |
| 470 | return USBD_INVAL; |
| 471 | hid = usbd_get_hid_descriptor(ifc); |
| 472 | if (hid == NULL) |
| 473 | return USBD_IOERROR; |
| 474 | *sizep = UGETW(hid->descrs[0].wDescriptorLength); |
| 475 | *descp = kmem_alloc(*sizep, KM_SLEEP); |
| 476 | if (*descp == NULL) |
| 477 | return USBD_NOMEM; |
| 478 | err = usbd_get_report_descriptor(dev, id->bInterfaceNumber, |
| 479 | *sizep, *descp); |
| 480 | if (err) { |
| 481 | kmem_free(*descp, *sizep); |
| 482 | *descp = NULL; |
| 483 | return err; |
| 484 | } |
| 485 | return USBD_NORMAL_COMPLETION; |
| 486 | } |
| 487 | |
| 488 | usbd_status |
| 489 | usbd_get_config(struct usbd_device *dev, uint8_t *conf) |
| 490 | { |
| 491 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 492 | usb_device_request_t req; |
| 493 | |
| 494 | DPRINTF("dev %p" , dev, 0, 0, 0); |
| 495 | req.bmRequestType = UT_READ_DEVICE; |
| 496 | req.bRequest = UR_GET_CONFIG; |
| 497 | USETW(req.wValue, 0); |
| 498 | USETW(req.wIndex, 0); |
| 499 | USETW(req.wLength, 1); |
| 500 | return usbd_do_request(dev, &req, conf); |
| 501 | } |
| 502 | |
| 503 | usbd_status |
| 504 | usbd_bulk_transfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, |
| 505 | uint16_t flags, uint32_t timeout, void *buf, uint32_t *size) |
| 506 | { |
| 507 | usbd_status err; |
| 508 | |
| 509 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 510 | |
| 511 | usbd_setup_xfer(xfer, 0, buf, *size, flags, timeout, NULL); |
| 512 | DPRINTFN(1, "start transfer %d bytes" , *size, 0, 0, 0); |
| 513 | err = usbd_sync_transfer_sig(xfer); |
| 514 | |
| 515 | usbd_get_xfer_status(xfer, NULL, NULL, size, NULL); |
| 516 | DPRINTFN(1, "transferred %d" , *size, 0, 0, 0); |
| 517 | if (err) { |
| 518 | usbd_clear_endpoint_stall(pipe); |
| 519 | } |
| 520 | USBHIST_LOG(usbdebug, "<- done xfer %p err %d" , xfer, err, 0, 0); |
| 521 | |
| 522 | return err; |
| 523 | } |
| 524 | |
| 525 | usbd_status |
| 526 | usbd_intr_transfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, |
| 527 | uint16_t flags, uint32_t timeout, void *buf, uint32_t *size) |
| 528 | { |
| 529 | usbd_status err; |
| 530 | |
| 531 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 532 | |
| 533 | usbd_setup_xfer(xfer, 0, buf, *size, flags, timeout, NULL); |
| 534 | |
| 535 | DPRINTFN(1, "start transfer %d bytes" , *size, 0, 0, 0); |
| 536 | err = usbd_sync_transfer_sig(xfer); |
| 537 | |
| 538 | usbd_get_xfer_status(xfer, NULL, NULL, size, NULL); |
| 539 | |
| 540 | DPRINTFN(1, "transferred %d" , *size, 0, 0, 0); |
| 541 | if (err) { |
| 542 | usbd_clear_endpoint_stall(pipe); |
| 543 | } |
| 544 | USBHIST_LOG(usbdebug, "<- done xfer %p err %d" , xfer, err, 0, 0); |
| 545 | |
| 546 | return err; |
| 547 | } |
| 548 | |
| 549 | void |
| 550 | usb_detach_wait(device_t dv, kcondvar_t *cv, kmutex_t *lock) |
| 551 | { |
| 552 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 553 | |
| 554 | DPRINTFN(1, "waiting for dv %p" , dv, 0, 0, 0); |
| 555 | if (cv_timedwait(cv, lock, hz * 60)) // dv, PZERO, "usbdet", hz * 60 |
| 556 | printf("usb_detach_wait: %s didn't detach\n" , |
| 557 | device_xname(dv)); |
| 558 | DPRINTFN(1, "done" , 0, 0, 0, 0); |
| 559 | } |
| 560 | |
| 561 | void |
| 562 | usb_detach_broadcast(device_t dv, kcondvar_t *cv) |
| 563 | { |
| 564 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 565 | |
| 566 | DPRINTFN(1, "for dv %p" , dv, 0, 0, 0); |
| 567 | cv_broadcast(cv); |
| 568 | } |
| 569 | |
| 570 | void |
| 571 | usb_detach_waitold(device_t dv) |
| 572 | { |
| 573 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 574 | |
| 575 | DPRINTFN(1, "waiting for dv %p" , dv, 0, 0, 0); |
| 576 | if (tsleep(dv, PZERO, "usbdet" , hz * 60)) /* XXXSMP ok */ |
| 577 | printf("usb_detach_waitold: %s didn't detach\n" , |
| 578 | device_xname(dv)); |
| 579 | DPRINTFN(1, "done" , 0, 0, 0, 0); |
| 580 | } |
| 581 | |
| 582 | void |
| 583 | usb_detach_wakeupold(device_t dv) |
| 584 | { |
| 585 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 586 | |
| 587 | DPRINTFN(1, "for dv %p" , dv, 0, 0, 0); |
| 588 | wakeup(dv); /* XXXSMP ok */ |
| 589 | } |
| 590 | |
| 591 | const usb_cdc_descriptor_t * |
| 592 | usb_find_desc(struct usbd_device *dev, int type, int subtype) |
| 593 | { |
| 594 | usbd_desc_iter_t iter; |
| 595 | const usb_cdc_descriptor_t *desc; |
| 596 | |
| 597 | usb_desc_iter_init(dev, &iter); |
| 598 | for (;;) { |
| 599 | desc = (const usb_cdc_descriptor_t *)usb_desc_iter_next(&iter); |
| 600 | if (!desc || (desc->bDescriptorType == type && |
| 601 | (subtype == USBD_CDCSUBTYPE_ANY || |
| 602 | subtype == desc->bDescriptorSubtype))) |
| 603 | break; |
| 604 | } |
| 605 | return desc; |
| 606 | } |
| 607 | |
| 608 | /* same as usb_find_desc(), but searches only in the specified interface. */ |
| 609 | const usb_cdc_descriptor_t * |
| 610 | usb_find_desc_if(struct usbd_device *dev, int type, int subtype, |
| 611 | usb_interface_descriptor_t *id) |
| 612 | { |
| 613 | usbd_desc_iter_t iter; |
| 614 | const usb_cdc_descriptor_t *desc; |
| 615 | |
| 616 | if (id == NULL) |
| 617 | return usb_find_desc(dev, type, subtype); |
| 618 | |
| 619 | usb_desc_iter_init(dev, &iter); |
| 620 | |
| 621 | iter.cur = (void *)id; /* start from the interface desc */ |
| 622 | usb_desc_iter_next(&iter); /* and skip it */ |
| 623 | |
| 624 | while ((desc = (const usb_cdc_descriptor_t *)usb_desc_iter_next(&iter)) |
| 625 | != NULL) { |
| 626 | if (desc->bDescriptorType == UDESC_INTERFACE) { |
| 627 | /* we ran into the next interface --- not found */ |
| 628 | return NULL; |
| 629 | } |
| 630 | if (desc->bDescriptorType == type && |
| 631 | (subtype == USBD_CDCSUBTYPE_ANY || |
| 632 | subtype == desc->bDescriptorSubtype)) |
| 633 | break; |
| 634 | } |
| 635 | return desc; |
| 636 | } |
| 637 | |