512 lines
13 KiB
C
512 lines
13 KiB
C
/* $NetBSD: usbdi_util.c,v 1.13 1999/01/08 11:58:26 augustss Exp $ */
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/* $FreeBSD$ */
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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 (augustss@carlstedt.se) 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/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#if defined(__FreeBSD__)
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#include <sys/bus.h>
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#endif
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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(dev, type, index, len, desc)
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usbd_device_handle dev;
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int type, index;
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int len;
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void *desc;
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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_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(dev, conf, d)
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usbd_device_handle dev;
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int conf;
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usb_config_descriptor_t *d;
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{
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usbd_status r;
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DPRINTFN(3,("usbd_get_config_desc: conf=%d\n", conf));
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r = usbd_get_desc(dev, UDESC_CONFIG, conf,
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USB_CONFIG_DESCRIPTOR_SIZE, d);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (d->bDescriptorType != UDESC_CONFIG) {
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DPRINTFN(-1,("usbd_get_config_desc: conf %d, bad desc %d\n",
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conf, 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(dev, conf, d, size)
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usbd_device_handle dev;
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int conf;
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void *d;
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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(dev, d)
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usbd_device_handle dev;
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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(dev, st)
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usbd_device_handle dev;
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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(dev, st)
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usbd_device_handle dev;
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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(dev, addr)
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usbd_device_handle dev;
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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(dev, port, ps)
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usbd_device_handle dev;
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int port;
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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_port_feature(dev, port, sel)
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usbd_device_handle dev;
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int port, 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(dev, port, sel)
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usbd_device_handle dev;
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int port, 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_set_protocol(iface, report)
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usbd_interface_handle iface;
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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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usbd_status r;
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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)
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return (USBD_IOERROR);
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r = usbd_interface2device_handle(iface, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (!id)
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return (USBD_INVAL);
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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(iface, type, id, data, len)
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usbd_interface_handle iface;
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int type;
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int id;
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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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usbd_status r;
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DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
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if (!ifd)
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return (USBD_IOERROR);
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r = usbd_interface2device_handle(iface, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (!ifd)
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return (USBD_INVAL);
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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(iface, type, id, data, len)
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usbd_interface_handle iface;
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int type;
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int id;
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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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usbd_status r;
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DPRINTFN(4, ("usbd_set_report_async: len=%d\n", len));
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if (!ifd)
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return (USBD_IOERROR);
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r = usbd_interface2device_handle(iface, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (!ifd)
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return (USBD_INVAL);
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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(iface, type, id, data, len)
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usbd_interface_handle iface;
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int type;
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int id;
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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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usbd_status r;
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DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
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if (!id)
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return (USBD_IOERROR);
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r = usbd_interface2device_handle(iface, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (!ifd)
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return (USBD_INVAL);
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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(iface, duration, id)
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usbd_interface_handle iface;
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int duration;
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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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usbd_status r;
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DPRINTFN(4, ("usbd_set_idle: %d %d\n", duration, id));
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if (!ifd)
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return (USBD_IOERROR);
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r = usbd_interface2device_handle(iface, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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if (!ifd)
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return (USBD_INVAL);
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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(dev, ifcno, repid, size, d)
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usbd_device_handle dev;
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int ifcno;
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int repid;
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int size;
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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, repid);
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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(ifc)
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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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usbd_status r;
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if (!idesc)
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return (0);
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r = usbd_interface2device_handle(ifc, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (0);
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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 (0);
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}
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usbd_status
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usbd_alloc_report_desc(ifc, descp, sizep, mem)
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usbd_interface_handle ifc;
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void **descp;
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int *sizep;
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#if defined(__NetBSD__)
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int mem;
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#elif defined(__FreeBSD__)
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struct malloc_type *mem;
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#endif
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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 r;
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r = usbd_interface2device_handle(ifc, &dev);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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id = usbd_get_interface_descriptor(ifc);
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if (!id)
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return (USBD_INVAL);
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hid = usbd_get_hid_descriptor(ifc);
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if (!hid)
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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)
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return (USBD_NOMEM);
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/* XXX should not use 0 Report ID */
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r = usbd_get_report_descriptor(dev, id->bInterfaceNumber, 0,
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*sizep, *descp);
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if (r != USBD_NORMAL_COMPLETION) {
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free(*descp, mem);
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return (r);
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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(dev, conf)
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usbd_device_handle dev;
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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 __P((usbd_request_handle reqh,
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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(reqh, priv, status)
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usbd_request_handle reqh;
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usbd_private_handle priv;
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usbd_status status;
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{
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wakeup(reqh);
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}
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usbd_status
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usbd_bulk_transfer(reqh, pipe, flags, buf, size, lbl)
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usbd_request_handle reqh;
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usbd_pipe_handle pipe;
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u_int16_t flags;
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void *buf;
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u_int32_t *size;
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char *lbl;
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{
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usbd_private_handle priv;
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void *buffer;
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usbd_status r;
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int s, error;
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r = usbd_setup_request(reqh, pipe, 0, buf, *size,
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flags, USBD_NO_TIMEOUT, usbd_bulk_transfer_cb);
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if (r != USBD_NORMAL_COMPLETION)
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return (r);
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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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r = usbd_transfer(reqh);
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if (r != USBD_IN_PROGRESS) {
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splx(s);
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return (r);
|
|
}
|
|
error = tsleep((caddr_t)reqh, PZERO | PCATCH, lbl, 0);
|
|
splx(s);
|
|
if (error) {
|
|
usbd_abort_pipe(pipe);
|
|
return (USBD_INTERRUPTED);
|
|
}
|
|
usbd_get_request_status(reqh, &priv, &buffer, size, &r);
|
|
DPRINTFN(1,("usbd_bulk_transfer: transferred %d\n", *size));
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTF(("usbd_bulk_transfer: error=%d\n", r));
|
|
usbd_clear_endpoint_stall(pipe);
|
|
}
|
|
return (r);
|
|
}
|
|
|