Annotation of src/sys/dev/usb/usbdi_util.c, Revision 1.1
1.1 ! augustss 1: /* $NetBSD: $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 5: * All rights reserved.
! 6: *
! 7: * Author: Lennart Augustsson <augustss@carlstedt.se>
! 8: * Carlstedt Research & Technology
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the NetBSD
! 21: * Foundation, Inc. and its contributors.
! 22: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 23: * contributors may be used to endorse or promote products derived
! 24: * from this software without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: #include <sys/param.h>
! 40: #include <sys/systm.h>
! 41: #include <sys/kernel.h>
! 42: #include <sys/malloc.h>
! 43: #include <sys/device.h>
! 44: #include <sys/proc.h>
! 45: #include <sys/select.h>
! 46:
! 47: #include <dev/usb/usb.h>
! 48: #include <dev/usb/usbhid.h>
! 49:
! 50: #include <dev/usb/usbdi.h>
! 51: #include <dev/usb/usbdi_util.h>
! 52:
! 53: #include "opt_usbverbose.h"
! 54:
! 55: #ifdef USB_DEBUG
! 56: #define DPRINTF(x) if (usbdebug) printf x
! 57: #define DPRINTFN(n,x) if (usbdebug>(n)) printf x
! 58: extern int usbdebug;
! 59: #else
! 60: #define DPRINTF(x)
! 61: #define DPRINTFN(n,x)
! 62: #endif
! 63:
! 64: usbd_status
! 65: usbd_get_desc(dev, type, index, len, desc)
! 66: usbd_device_handle dev;
! 67: int type, index;
! 68: int len;
! 69: void *desc;
! 70: {
! 71: usb_device_request_t req;
! 72:
! 73: req.bmRequestType = UT_READ_DEVICE;
! 74: req.bRequest = UR_GET_DESCRIPTOR;
! 75: USETW2(req.wValue, type, index);
! 76: USETW(req.wIndex, 0);
! 77: USETW(req.wLength, len);
! 78: return (usbd_do_request(dev, &req, desc));
! 79: }
! 80:
! 81: usbd_status
! 82: usbd_get_config_desc(dev, conf, d)
! 83: usbd_device_handle dev;
! 84: int conf;
! 85: usb_config_descriptor_t *d;
! 86: {
! 87: DPRINTFN(3,("usbd_get_config_desc: conf=%d\n", conf));
! 88: return (usbd_get_desc(dev, UDESC_CONFIG,
! 89: conf, USB_CONFIG_DESCRIPTOR_SIZE, d));
! 90: }
! 91:
! 92: usbd_status
! 93: usbd_get_device_desc(dev, d)
! 94: usbd_device_handle dev;
! 95: usb_device_descriptor_t *d;
! 96: {
! 97: DPRINTFN(3,("usbd_get_device_desc:\n"));
! 98: return (usbd_get_desc(dev, UDESC_DEVICE,
! 99: 0, USB_DEVICE_DESCRIPTOR_SIZE, d));
! 100: }
! 101:
! 102: usbd_status
! 103: usbd_get_device_status(dev, st)
! 104: usbd_device_handle dev;
! 105: usb_status_t *st;
! 106: {
! 107: usb_device_request_t req;
! 108:
! 109: req.bmRequestType = UT_READ_DEVICE;
! 110: req.bRequest = UR_GET_STATUS;
! 111: USETW(req.wValue, 0);
! 112: USETW(req.wIndex, 0);
! 113: USETW(req.wLength, sizeof(usb_status_t));
! 114: return (usbd_do_request(dev, &req, st));
! 115: }
! 116:
! 117: usbd_status
! 118: usbd_get_hub_status(dev, st)
! 119: usbd_device_handle dev;
! 120: usb_hub_status_t *st;
! 121: {
! 122: usb_device_request_t req;
! 123:
! 124: req.bmRequestType = UT_READ_CLASS_DEVICE;
! 125: req.bRequest = UR_GET_STATUS;
! 126: USETW(req.wValue, 0);
! 127: USETW(req.wIndex, 0);
! 128: USETW(req.wLength, sizeof(usb_hub_status_t));
! 129: return (usbd_do_request(dev, &req, st));
! 130: }
! 131:
! 132: usbd_status
! 133: usbd_set_address(dev, addr)
! 134: usbd_device_handle dev;
! 135: int addr;
! 136: {
! 137: usb_device_request_t req;
! 138:
! 139: req.bmRequestType = UT_WRITE_DEVICE;
! 140: req.bRequest = UR_SET_ADDRESS;
! 141: USETW(req.wValue, addr);
! 142: USETW(req.wIndex, 0);
! 143: USETW(req.wLength, 0);
! 144: return usbd_do_request(dev, &req, 0);
! 145: }
! 146:
! 147: usbd_status
! 148: usbd_set_config(dev, conf)
! 149: usbd_device_handle dev;
! 150: int conf;
! 151: {
! 152: usb_device_request_t req;
! 153:
! 154: req.bmRequestType = UT_WRITE_DEVICE;
! 155: req.bRequest = UR_SET_CONFIG;
! 156: USETW(req.wValue, conf);
! 157: USETW(req.wIndex, 0);
! 158: USETW(req.wLength, 0);
! 159: return (usbd_do_request(dev, &req, 0));
! 160: }
! 161:
! 162: usbd_status
! 163: usbd_get_port_status(dev, port, ps)
! 164: usbd_device_handle dev;
! 165: int port;
! 166: usb_port_status_t *ps;
! 167: {
! 168: usb_device_request_t req;
! 169:
! 170: req.bmRequestType = UT_READ_CLASS_OTHER;
! 171: req.bRequest = UR_GET_STATUS;
! 172: USETW(req.wValue, 0);
! 173: USETW(req.wIndex, port);
! 174: USETW(req.wLength, sizeof *ps);
! 175: return (usbd_do_request(dev, &req, ps));
! 176: }
! 177:
! 178: usbd_status
! 179: usbd_clear_port_feature(dev, port, sel)
! 180: usbd_device_handle dev;
! 181: int port, sel;
! 182: {
! 183: usb_device_request_t req;
! 184:
! 185: req.bmRequestType = UT_WRITE_CLASS_OTHER;
! 186: req.bRequest = UR_CLEAR_FEATURE;
! 187: USETW(req.wValue, sel);
! 188: USETW(req.wIndex, port);
! 189: USETW(req.wLength, 0);
! 190: return (usbd_do_request(dev, &req, 0));
! 191: }
! 192:
! 193: usbd_status
! 194: usbd_set_port_feature(dev, port, sel)
! 195: usbd_device_handle dev;
! 196: int port, sel;
! 197: {
! 198: usb_device_request_t req;
! 199:
! 200: req.bmRequestType = UT_WRITE_CLASS_OTHER;
! 201: req.bRequest = UR_SET_FEATURE;
! 202: USETW(req.wValue, sel);
! 203: USETW(req.wIndex, port);
! 204: USETW(req.wLength, 0);
! 205: return (usbd_do_request(dev, &req, 0));
! 206: }
! 207:
! 208:
! 209: usbd_status
! 210: usbd_set_protocol(iface, report)
! 211: usbd_interface_handle iface;
! 212: int report;
! 213: {
! 214: usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
! 215: usbd_device_handle dev;
! 216: usb_device_request_t req;
! 217: usbd_status r;
! 218:
! 219: DPRINTFN(4, ("usbd_set_protocol: iface=%p, report=%d, endpt=%d\n",
! 220: iface, report, id->bInterfaceNumber));
! 221: r = usbd_interface2device_handle(iface, &dev);
! 222: if (r != USBD_NORMAL_COMPLETION)
! 223: return (r);
! 224: if (!id)
! 225: return (USBD_INVAL);
! 226: req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
! 227: req.bRequest = UR_SET_PROTOCOL;
! 228: USETW(req.wValue, report);
! 229: USETW(req.wIndex, id->bInterfaceNumber);
! 230: USETW(req.wLength, 0);
! 231: return (usbd_do_request(dev, &req, 0));
! 232: }
! 233:
! 234: usbd_status
! 235: usbd_set_report(iface, type, id, data, len)
! 236: usbd_interface_handle iface;
! 237: int type;
! 238: int id;
! 239: void *data;
! 240: int len;
! 241: {
! 242: usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
! 243: usbd_device_handle dev;
! 244: usb_device_request_t req;
! 245: usbd_status r;
! 246:
! 247: DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
! 248: r = usbd_interface2device_handle(iface, &dev);
! 249: if (r != USBD_NORMAL_COMPLETION)
! 250: return (r);
! 251: if (!ifd)
! 252: return (USBD_INVAL);
! 253: req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
! 254: req.bRequest = UR_SET_REPORT;
! 255: USETW2(req.wValue, type, id);
! 256: USETW(req.wIndex, ifd->bInterfaceNumber);
! 257: USETW(req.wLength, len);
! 258: return (usbd_do_request(dev, &req, data));
! 259: }
! 260:
! 261: usbd_status
! 262: usbd_set_idle(iface, duration, id)
! 263: usbd_interface_handle iface;
! 264: int duration;
! 265: int id;
! 266: {
! 267: usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
! 268: usbd_device_handle dev;
! 269: usb_device_request_t req;
! 270: usbd_status r;
! 271:
! 272: DPRINTFN(4, ("usbd_set_idle: %d %d\n", duration, id));
! 273: r = usbd_interface2device_handle(iface, &dev);
! 274: if (r != USBD_NORMAL_COMPLETION)
! 275: return (r);
! 276: if (!ifd)
! 277: return (USBD_INVAL);
! 278: req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
! 279: req.bRequest = UR_SET_IDLE;
! 280: USETW2(req.wValue, duration, id);
! 281: USETW(req.wIndex, ifd->bInterfaceNumber);
! 282: USETW(req.wLength, 0);
! 283: return (usbd_do_request(dev, &req, 0));
! 284: }
! 285:
! 286: usbd_status
! 287: usbd_get_report_descriptor(dev, i, size, d)
! 288: usbd_device_handle dev;
! 289: int i;
! 290: int size;
! 291: void *d;
! 292: {
! 293: usb_device_request_t req;
! 294:
! 295: req.bmRequestType = UT_READ_INTERFACE;
! 296: req.bRequest = UR_GET_DESCRIPTOR;
! 297: USETW2(req.wValue, UDESC_REPORT, 0);
! 298: USETW(req.wIndex, i);
! 299: USETW(req.wLength, size);
! 300: return (usbd_do_request(dev, &req, d));
! 301: }
! 302:
! 303: usb_hid_descriptor_t *
! 304: usbd_get_hid_descriptor(ifc)
! 305: usbd_interface_handle ifc;
! 306: {
! 307: usb_interface_descriptor_t *idesc = usbd_get_interface_descriptor(ifc);
! 308: usbd_device_handle dev;
! 309: usb_config_descriptor_t *cdesc;
! 310: usb_hid_descriptor_t *hd;
! 311: char *p, *end;
! 312: usbd_status r;
! 313:
! 314: r = usbd_interface2device_handle(ifc, &dev);
! 315: if (r != USBD_NORMAL_COMPLETION)
! 316: return (0);
! 317: cdesc = usbd_get_config_descriptor(dev);
! 318:
! 319: p = (char *)idesc + idesc->bLength;
! 320: end = (char *)cdesc + UGETW(cdesc->wTotalLength);
! 321:
! 322: for (; p < end; p += hd->bLength) {
! 323: hd = (usb_hid_descriptor_t *)p;
! 324: if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID)
! 325: return (hd);
! 326: if (hd->bDescriptorType == UDESC_INTERFACE)
! 327: break;
! 328: }
! 329: return (0);
! 330: }
! 331:
! 332: usbd_status
! 333: usbd_alloc_report_desc(ifc, descp, sizep, mem)
! 334: usbd_interface_handle ifc;
! 335: void **descp;
! 336: int *sizep;
! 337: int mem;
! 338: {
! 339: usb_hid_descriptor_t *hid;
! 340: usbd_device_handle dev;
! 341: usbd_status r;
! 342:
! 343: r = usbd_interface2device_handle(ifc, &dev);
! 344: if (r != USBD_NORMAL_COMPLETION)
! 345: return (r);
! 346: hid = usbd_get_hid_descriptor(ifc);
! 347: if (!hid)
! 348: return (USBD_IOERROR);
! 349: *sizep = UGETW(hid->descrs[0].wDescriptorLength);
! 350: *descp = malloc(*sizep, mem, M_NOWAIT);
! 351: if (!*descp)
! 352: return (USBD_NOMEM);
! 353: r = usbd_get_report_descriptor(dev, 0, *sizep, *descp);
! 354: if (r != USBD_NORMAL_COMPLETION) {
! 355: free(*descp, mem);
! 356: return (r);
! 357: }
! 358: return (USBD_NORMAL_COMPLETION);
! 359: }
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