3975e3a1ea
new USB2 stack will fully replace this for 8.0. Remove kernel modules, a subsequent commit will update conf/files. Unhook usbdevs from the build.
540 lines
15 KiB
C
540 lines
15 KiB
C
/* $NetBSD: usbdi_util.c,v 1.42 2004/12/03 08:53:40 augustss Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbhid.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#ifdef USB_DEBUG
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#define DPRINTF(x) if (usbdebug) printf x
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#define DPRINTFN(n,x) if (usbdebug>(n)) printf x
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extern int usbdebug;
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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usbd_status
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usbd_get_desc(usbd_device_handle dev, int type, int index, int len, void *desc)
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{
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usb_device_request_t req;
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DPRINTFN(3,("usbd_get_desc: type=%d, index=%d, len=%d\n",
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type, index, len));
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req.bmRequestType = UT_READ_DEVICE;
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req.bRequest = UR_GET_DESCRIPTOR;
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USETW2(req.wValue, type, index);
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USETW(req.wIndex, 0);
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USETW(req.wLength, len);
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return (usbd_do_request(dev, &req, desc));
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}
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usbd_status
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usbd_get_config_desc(usbd_device_handle dev, int confidx,
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usb_config_descriptor_t *d)
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{
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usbd_status err;
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DPRINTFN(3,("usbd_get_config_desc: confidx=%d\n", confidx));
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err = usbd_get_desc(dev, UDESC_CONFIG, confidx,
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USB_CONFIG_DESCRIPTOR_SIZE, d);
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if (err)
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return (err);
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if (d->bDescriptorType != UDESC_CONFIG) {
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DPRINTFN(-1,("usbd_get_config_desc: confidx=%d, bad desc "
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"len=%d type=%d\n",
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confidx, d->bLength, d->bDescriptorType));
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return (USBD_INVAL);
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}
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return (USBD_NORMAL_COMPLETION);
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}
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usbd_status
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usbd_get_config_desc_full(usbd_device_handle dev, int conf, void *d, int size)
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{
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DPRINTFN(3,("usbd_get_config_desc_full: conf=%d\n", conf));
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return (usbd_get_desc(dev, UDESC_CONFIG, conf, size, d));
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}
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usbd_status
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usbd_get_device_desc(usbd_device_handle dev, usb_device_descriptor_t *d)
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{
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DPRINTFN(3,("usbd_get_device_desc:\n"));
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return (usbd_get_desc(dev, UDESC_DEVICE,
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0, USB_DEVICE_DESCRIPTOR_SIZE, d));
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}
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usbd_status
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usbd_get_device_status(usbd_device_handle dev, usb_status_t *st)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_READ_DEVICE;
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req.bRequest = UR_GET_STATUS;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, sizeof(usb_status_t));
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return (usbd_do_request(dev, &req, st));
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}
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usbd_status
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usbd_get_hub_status(usbd_device_handle dev, usb_hub_status_t *st)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_READ_CLASS_DEVICE;
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req.bRequest = UR_GET_STATUS;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, sizeof(usb_hub_status_t));
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return (usbd_do_request(dev, &req, st));
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}
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usbd_status
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usbd_set_address(usbd_device_handle dev, int addr)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_WRITE_DEVICE;
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req.bRequest = UR_SET_ADDRESS;
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USETW(req.wValue, addr);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 0);
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return usbd_do_request(dev, &req, 0);
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}
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usbd_status
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usbd_get_port_status(usbd_device_handle dev, int port, usb_port_status_t *ps)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_READ_CLASS_OTHER;
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req.bRequest = UR_GET_STATUS;
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USETW(req.wValue, 0);
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USETW(req.wIndex, port);
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USETW(req.wLength, sizeof *ps);
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return (usbd_do_request(dev, &req, ps));
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}
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usbd_status
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usbd_clear_hub_feature(usbd_device_handle dev, int sel)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_WRITE_CLASS_DEVICE;
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req.bRequest = UR_CLEAR_FEATURE;
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USETW(req.wValue, sel);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_set_hub_feature(usbd_device_handle dev, int sel)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_WRITE_CLASS_DEVICE;
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req.bRequest = UR_SET_FEATURE;
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USETW(req.wValue, sel);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_clear_port_feature(usbd_device_handle dev, int port, int sel)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_WRITE_CLASS_OTHER;
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req.bRequest = UR_CLEAR_FEATURE;
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USETW(req.wValue, sel);
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USETW(req.wIndex, port);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_set_port_feature(usbd_device_handle dev, int port, int sel)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_WRITE_CLASS_OTHER;
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req.bRequest = UR_SET_FEATURE;
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USETW(req.wValue, sel);
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USETW(req.wIndex, port);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_get_protocol(usbd_interface_handle iface, u_int8_t *report)
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{
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usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_get_protocol: iface=%p, endpt=%d\n",
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iface, id->bInterfaceNumber));
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if (id == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_READ_CLASS_INTERFACE;
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req.bRequest = UR_GET_PROTOCOL;
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USETW(req.wValue, 0);
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USETW(req.wIndex, id->bInterfaceNumber);
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USETW(req.wLength, 1);
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return (usbd_do_request(dev, &req, report));
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}
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usbd_status
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usbd_set_protocol(usbd_interface_handle iface, int report)
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{
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usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_set_protocol: iface=%p, report=%d, endpt=%d\n",
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iface, report, id->bInterfaceNumber));
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if (id == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UR_SET_PROTOCOL;
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USETW(req.wValue, report);
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USETW(req.wIndex, id->bInterfaceNumber);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_set_report(usbd_interface_handle iface, int type, int id, void *data,
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int len)
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{
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usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
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if (ifd == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UR_SET_REPORT;
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USETW2(req.wValue, type, id);
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USETW(req.wIndex, ifd->bInterfaceNumber);
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USETW(req.wLength, len);
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return (usbd_do_request(dev, &req, data));
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}
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usbd_status
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usbd_set_report_async(usbd_interface_handle iface, int type, int id, void *data,
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int len)
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{
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usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_set_report_async: len=%d\n", len));
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if (ifd == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UR_SET_REPORT;
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USETW2(req.wValue, type, id);
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USETW(req.wIndex, ifd->bInterfaceNumber);
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USETW(req.wLength, len);
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return (usbd_do_request_async(dev, &req, data));
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}
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usbd_status
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usbd_get_report(usbd_interface_handle iface, int type, int id, void *data,
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int len)
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{
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usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_get_report: len=%d\n", len));
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if (ifd == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_READ_CLASS_INTERFACE;
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req.bRequest = UR_GET_REPORT;
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USETW2(req.wValue, type, id);
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USETW(req.wIndex, ifd->bInterfaceNumber);
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USETW(req.wLength, len);
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return (usbd_do_request(dev, &req, data));
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}
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usbd_status
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usbd_set_idle(usbd_interface_handle iface, int duration, int id)
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{
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usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
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usbd_device_handle dev;
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usb_device_request_t req;
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DPRINTFN(4, ("usbd_set_idle: %d %d\n", duration, id));
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if (ifd == NULL)
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return (USBD_IOERROR);
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usbd_interface2device_handle(iface, &dev);
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req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
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req.bRequest = UR_SET_IDLE;
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USETW2(req.wValue, duration, id);
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USETW(req.wIndex, ifd->bInterfaceNumber);
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USETW(req.wLength, 0);
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return (usbd_do_request(dev, &req, 0));
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}
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usbd_status
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usbd_get_report_descriptor(usbd_device_handle dev, int ifcno,
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int size, void *d)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_READ_INTERFACE;
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req.bRequest = UR_GET_DESCRIPTOR;
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USETW2(req.wValue, UDESC_REPORT, 0); /* report id should be 0 */
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USETW(req.wIndex, ifcno);
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USETW(req.wLength, size);
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return (usbd_do_request(dev, &req, d));
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}
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usb_hid_descriptor_t *
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usbd_get_hid_descriptor(usbd_interface_handle ifc)
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{
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usb_interface_descriptor_t *idesc = usbd_get_interface_descriptor(ifc);
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usbd_device_handle dev;
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usb_config_descriptor_t *cdesc;
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usb_hid_descriptor_t *hd;
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char *p, *end;
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if (idesc == NULL)
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return (NULL);
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usbd_interface2device_handle(ifc, &dev);
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cdesc = usbd_get_config_descriptor(dev);
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p = (char *)idesc + idesc->bLength;
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end = (char *)cdesc + UGETW(cdesc->wTotalLength);
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for (; p < end; p += hd->bLength) {
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hd = (usb_hid_descriptor_t *)p;
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if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID)
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return (hd);
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if (hd->bDescriptorType == UDESC_INTERFACE)
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break;
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}
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return (NULL);
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}
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usbd_status
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usbd_read_report_desc(usbd_interface_handle ifc, void **descp, int *sizep,
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struct malloc_type *mem)
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{
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usb_interface_descriptor_t *id;
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usb_hid_descriptor_t *hid;
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usbd_device_handle dev;
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usbd_status err;
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usbd_interface2device_handle(ifc, &dev);
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id = usbd_get_interface_descriptor(ifc);
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if (id == NULL)
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return (USBD_INVAL);
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hid = usbd_get_hid_descriptor(ifc);
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if (hid == NULL)
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return (USBD_IOERROR);
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*sizep = UGETW(hid->descrs[0].wDescriptorLength);
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*descp = malloc(*sizep, mem, M_NOWAIT);
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if (*descp == NULL)
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return (USBD_NOMEM);
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err = usbd_get_report_descriptor(dev, id->bInterfaceNumber,
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*sizep, *descp);
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if (err) {
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free(*descp, mem);
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*descp = NULL;
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return (err);
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}
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return (USBD_NORMAL_COMPLETION);
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}
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usbd_status
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usbd_get_config(usbd_device_handle dev, u_int8_t *conf)
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{
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usb_device_request_t req;
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req.bmRequestType = UT_READ_DEVICE;
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req.bRequest = UR_GET_CONFIG;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 1);
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return (usbd_do_request(dev, &req, conf));
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}
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static void usbd_bulk_transfer_cb(usbd_xfer_handle xfer,
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usbd_private_handle priv, usbd_status status);
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static void
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usbd_bulk_transfer_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
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usbd_status status)
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{
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wakeup(xfer);
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}
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usbd_status
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usbd_bulk_transfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
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u_int16_t flags, u_int32_t timeout, void *buf,
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u_int32_t *size, char *lbl)
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{
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usbd_status err;
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int s, error;
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usbd_setup_xfer(xfer, pipe, 0, buf, *size,
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flags, timeout, usbd_bulk_transfer_cb);
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DPRINTFN(1, ("usbd_bulk_transfer: start transfer %d bytes\n", *size));
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s = splusb(); /* don't want callback until tsleep() */
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err = usbd_transfer(xfer);
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if (err != USBD_IN_PROGRESS) {
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splx(s);
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return (err);
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}
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error = tsleep((caddr_t)xfer, PZERO | PCATCH, lbl, 0);
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splx(s);
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if (error) {
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DPRINTF(("usbd_bulk_transfer: tsleep=%d\n", error));
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usbd_abort_pipe(pipe);
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return (USBD_INTERRUPTED);
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}
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usbd_get_xfer_status(xfer, NULL, NULL, size, &err);
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DPRINTFN(1,("usbd_bulk_transfer: transferred %d\n", *size));
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if (err) {
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DPRINTF(("usbd_bulk_transfer: error=%d\n", err));
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usbd_clear_endpoint_stall(pipe);
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}
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return (err);
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}
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static void usbd_intr_transfer_cb(usbd_xfer_handle xfer,
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usbd_private_handle priv, usbd_status status);
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static void
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usbd_intr_transfer_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
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usbd_status status)
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{
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wakeup(xfer);
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}
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usbd_status
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usbd_intr_transfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
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u_int16_t flags, u_int32_t timeout, void *buf,
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u_int32_t *size, char *lbl)
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{
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usbd_status err;
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int s, error;
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usbd_setup_xfer(xfer, pipe, 0, buf, *size,
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flags, timeout, usbd_intr_transfer_cb);
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DPRINTFN(1, ("usbd_intr_transfer: start transfer %d bytes\n", *size));
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s = splusb(); /* don't want callback until tsleep() */
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err = usbd_transfer(xfer);
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if (err != USBD_IN_PROGRESS) {
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splx(s);
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return (err);
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}
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error = tsleep(xfer, PZERO | PCATCH, lbl, 0);
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splx(s);
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if (error) {
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DPRINTF(("usbd_intr_transfer: tsleep=%d\n", error));
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usbd_abort_pipe(pipe);
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return (USBD_INTERRUPTED);
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}
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usbd_get_xfer_status(xfer, NULL, NULL, size, &err);
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DPRINTFN(1,("usbd_intr_transfer: transferred %d\n", *size));
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if (err) {
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DPRINTF(("usbd_intr_transfer: error=%d\n", err));
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usbd_clear_endpoint_stall(pipe);
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}
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return (err);
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}
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|
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void
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usb_detach_wait(device_t dv)
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{
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DPRINTF(("usb_detach_wait: waiting for %s\n", device_get_nameunit(dv)));
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if (tsleep(dv, PZERO, "usbdet", hz * 60))
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printf("usb_detach_wait: %s didn't detach\n",
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device_get_nameunit(dv));
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DPRINTF(("usb_detach_wait: %s done\n", device_get_nameunit(dv)));
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}
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void
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usb_detach_wakeup(device_t dv)
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{
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DPRINTF(("usb_detach_wakeup: for %s\n", device_get_nameunit(dv)));
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wakeup(dv);
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}
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|
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const usb_descriptor_t *
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usb_find_desc(usbd_device_handle dev, int type, int subtype)
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{
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usbd_desc_iter_t iter;
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const usb_descriptor_t *desc;
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usb_desc_iter_init(dev, &iter);
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for (;;) {
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desc = usb_desc_iter_next(&iter);
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if (!desc || (desc->bDescriptorType == type &&
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(subtype == USBD_SUBTYPE_ANY ||
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subtype == desc->bDescriptorSubtype)))
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break;
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}
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return desc;
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}
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