/* $OpenBSD: usbdi_util.c,v 1.44 2019/10/06 17:11:51 mpi Exp $ */ /* $NetBSD: usbdi_util.c,v 1.40 2002/07/11 21:14:36 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/usbdi_util.c,v 1.14 1999/11/17 22:33:50 n_hibma Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #ifdef USB_DEBUG #define DPRINTF(x) do { if (usbdebug) printf x; } while (0) #define DPRINTFN(n,x) do { if (usbdebug>(n)) printf x; } while (0) extern int usbdebug; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif usbd_status usbd_get_desc(struct usbd_device *dev, int type, int index, int len, void *desc) { usb_device_request_t req; DPRINTFN(3,("%s: type=%d, index=%d, len=%d\n", __func__, type, index, len)); req.bmRequestType = UT_READ_DEVICE; req.bRequest = UR_GET_DESCRIPTOR; USETW2(req.wValue, type, index); USETW(req.wIndex, 0); USETW(req.wLength, len); return (usbd_do_request(dev, &req, desc)); } usbd_status usbd_get_device_status(struct usbd_device *dev, usb_status_t *st) { usb_device_request_t req; req.bmRequestType = UT_READ_DEVICE; req.bRequest = UR_GET_STATUS; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(usb_status_t)); return (usbd_do_request(dev, &req, st)); } usbd_status usbd_get_hub_status(struct usbd_device *dev, usb_hub_status_t *st) { usb_device_request_t req; req.bmRequestType = UT_READ_CLASS_DEVICE; req.bRequest = UR_GET_STATUS; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, sizeof(usb_hub_status_t)); return (usbd_do_request(dev, &req, st)); } usbd_status usbd_get_hub_descriptor(struct usbd_device *dev, usb_hub_descriptor_t *hd, uint8_t nports) { usb_device_request_t req; uint16_t len = USB_HUB_DESCRIPTOR_SIZE + (nports + 1) / 8; req.bmRequestType = UT_READ_CLASS_DEVICE; req.bRequest = UR_GET_DESCRIPTOR; USETW2(req.wValue, UDESC_HUB, 0); USETW(req.wIndex, 0); USETW(req.wLength, len); return (usbd_do_request(dev, &req, hd)); } usbd_status usbd_get_hub_ss_descriptor(struct usbd_device *dev, usb_hub_ss_descriptor_t *hd, uint8_t nports) { usb_device_request_t req; uint16_t len = USB_HUB_SS_DESCRIPTOR_SIZE + (nports + 1) / 8; req.bmRequestType = UT_READ_CLASS_DEVICE; req.bRequest = UR_GET_DESCRIPTOR; USETW2(req.wValue, UDESC_SS_HUB, 0); USETW(req.wIndex, 0); USETW(req.wLength, len); return (usbd_do_request(dev, &req, hd)); } usbd_status usbd_get_port_status(struct usbd_device *dev, int port, usb_port_status_t *ps) { usb_device_request_t req; req.bmRequestType = UT_READ_CLASS_OTHER; req.bRequest = UR_GET_STATUS; USETW(req.wValue, 0); USETW(req.wIndex, port); USETW(req.wLength, sizeof *ps); return (usbd_do_request(dev, &req, ps)); } usbd_status usbd_clear_hub_feature(struct usbd_device *dev, int sel) { usb_device_request_t req; req.bmRequestType = UT_WRITE_CLASS_DEVICE; req.bRequest = UR_CLEAR_FEATURE; USETW(req.wValue, sel); USETW(req.wIndex, 0); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_set_hub_feature(struct usbd_device *dev, int sel) { usb_device_request_t req; req.bmRequestType = UT_WRITE_CLASS_DEVICE; req.bRequest = UR_SET_FEATURE; USETW(req.wValue, sel); USETW(req.wIndex, 0); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_set_hub_depth(struct usbd_device *dev, int depth) { usb_device_request_t req; req.bmRequestType = UT_WRITE_CLASS_DEVICE; req.bRequest = UR_SET_DEPTH; USETW(req.wValue, depth); USETW(req.wIndex, 0); USETW(req.wLength, 0); return usbd_do_request(dev, &req, 0); } usbd_status usbd_clear_port_feature(struct usbd_device *dev, int port, int sel) { usb_device_request_t req; req.bmRequestType = UT_WRITE_CLASS_OTHER; req.bRequest = UR_CLEAR_FEATURE; USETW(req.wValue, sel); USETW(req.wIndex, port); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_set_port_feature(struct usbd_device *dev, int port, int sel) { usb_device_request_t req; req.bmRequestType = UT_WRITE_CLASS_OTHER; req.bRequest = UR_SET_FEATURE; USETW(req.wValue, sel); USETW(req.wIndex, port); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_set_idle(struct usbd_device *dev, int ifaceno, int duration, int id) { usb_device_request_t req; DPRINTFN(4, ("%s: %d %d\n", __func__, duration, id)); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UR_SET_IDLE; USETW2(req.wValue, duration, id); USETW(req.wIndex, ifaceno); USETW(req.wLength, 0); return (usbd_do_request(dev, &req, 0)); } usbd_status usbd_get_report_descriptor(struct usbd_device *dev, int ifaceno, void *data, int len) { usb_device_request_t req; req.bmRequestType = UT_READ_INTERFACE; req.bRequest = UR_GET_DESCRIPTOR; USETW2(req.wValue, UDESC_REPORT, 0); /* report id should be 0 */ USETW(req.wIndex, ifaceno); USETW(req.wLength, len); return (usbd_do_request(dev, &req, data)); } struct usb_hid_descriptor * usbd_get_hid_descriptor(struct usbd_device *dev, usb_interface_descriptor_t *id) { usb_config_descriptor_t *cdesc = usbd_get_config_descriptor(dev); struct usb_hid_descriptor *hd; char *p, *end; p = (char *)id + id->bLength; end = (char *)cdesc + UGETW(cdesc->wTotalLength); for (; p < end; p += hd->bLength) { hd = (struct usb_hid_descriptor *)p; if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID) return (hd); if (hd->bDescriptorType == UDESC_INTERFACE) break; } return (0); } usbd_status usbd_get_config(struct usbd_device *dev, u_int8_t *conf) { usb_device_request_t req; req.bmRequestType = UT_READ_DEVICE; req.bRequest = UR_GET_CONFIG; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 1); return (usbd_do_request(dev, &req, conf)); } void usb_detach_wait(struct device *dv) { DPRINTF(("%s: waiting for %s\n", __func__, dv->dv_xname)); if (tsleep_nsec(dv, PZERO, "usbdet", SEC_TO_NSEC(60))) printf("%s: %s didn't detach\n", __func__, dv->dv_xname); DPRINTF(("%s: %s done\n", __func__, dv->dv_xname)); } void usb_detach_wakeup(struct device *dv) { DPRINTF(("%s: for %s\n", __func__, dv->dv_xname)); wakeup(dv); }