507 lines
15 KiB
C
507 lines
15 KiB
C
/* $NetBSD: usb.h,v 1.17 1999/01/03 01:09:18 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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#ifndef _USB_H_
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#define _USB_H_
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#include <sys/types.h>
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#if defined(__NetBSD__)
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#include <sys/ioctl.h>
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#endif
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#if defined(__NetBSD__)
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#if defined(_KERNEL)
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#include <dev/usb/usb_port.h>
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#endif /* _KERNEL */
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#elif defined(__FreeBSD__)
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#include <sys/malloc.h>
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#if defined(KERNEL)
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MALLOC_DECLARE(M_USB);
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MALLOC_DECLARE(M_USBDEV);
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#include <dev/usb/usb_port.h>
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#endif /* KERNEL */
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#endif /* __FreeBSD__ */
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#define USB_MAX_DEVICES 128
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#define USB_START_ADDR 0
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#define USB_CONTROL_ENDPOINT 0
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#define USB_MAX_ENDPOINTS 16
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#define USB_FRAMES_PER_SECOND 1000
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/*
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* The USB records contain some unaligned little-endian word
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* components. The U[SG]ETW macros take care of both the alignment
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* and endian problem and should always be used to access 16 bit
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* values.
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*/
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typedef u_int8_t uByte;
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typedef u_int8_t uWord[2];
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#define UGETW(w) ((w)[0] | ((w)[1] << 8))
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#define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
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#define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
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typedef u_int8_t uDWord[4];
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#define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
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#define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
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(w)[1] = (u_int8_t)((v) >> 8), \
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(w)[2] = (u_int8_t)((v) >> 16), \
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(w)[3] = (u_int8_t)((v) >> 24))
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/*
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* On little-endian machines that can handle unanliged accesses
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* (e.g. i386) these macros can be replaced by the following.
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*/
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#if 0
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#define UGETW(w) (*(u_int16_t *)(w))
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#define USETW(w,v) (*(u_int16_t *)(w) = (v))
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#endif
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typedef struct {
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uByte bmRequestType;
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uByte bRequest;
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uWord wValue;
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uWord wIndex;
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uWord wLength;
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} usb_device_request_t;
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#define UT_WRITE 0x00
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#define UT_READ 0x80
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#define UT_STANDARD 0x00
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#define UT_CLASS 0x20
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#define UT_VENDOR 0x40
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#define UT_DEVICE 0x00
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#define UT_INTERFACE 0x01
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#define UT_ENDPOINT 0x02
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#define UT_OTHER 0x03
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#define UT_READ_DEVICE (UT_READ | UT_STANDARD | UT_DEVICE)
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#define UT_READ_INTERFACE (UT_READ | UT_STANDARD | UT_INTERFACE)
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#define UT_READ_ENDPOINT (UT_READ | UT_STANDARD | UT_ENDPOINT)
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#define UT_WRITE_DEVICE (UT_WRITE | UT_STANDARD | UT_DEVICE)
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#define UT_WRITE_INTERFACE (UT_WRITE | UT_STANDARD | UT_INTERFACE)
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#define UT_WRITE_ENDPOINT (UT_WRITE | UT_STANDARD | UT_ENDPOINT)
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#define UT_READ_CLASS_DEVICE (UT_READ | UT_CLASS | UT_DEVICE)
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#define UT_READ_CLASS_INTERFACE (UT_READ | UT_CLASS | UT_INTERFACE)
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#define UT_READ_CLASS_OTHER (UT_READ | UT_CLASS | UT_OTHER)
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#define UT_WRITE_CLASS_DEVICE (UT_WRITE | UT_CLASS | UT_DEVICE)
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#define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
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#define UT_WRITE_CLASS_OTHER (UT_WRITE | UT_CLASS | UT_OTHER)
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#define UT_READ_VENDOR_DEVICE (UT_READ | UT_VENDOR | UT_DEVICE)
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#define UT_READ_VENDOR_INTERFACE (UT_READ | UT_VENDOR | UT_INTERFACE)
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#define UT_READ_VENDOR_OTHER (UT_READ | UT_VENDOR | UT_OTHER)
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#define UT_WRITE_VENDOR_DEVICE (UT_WRITE | UT_VENDOR | UT_DEVICE)
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#define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
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#define UT_WRITE_VENDOR_OTHER (UT_WRITE | UT_VENDOR | UT_OTHER)
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/* Requests */
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#define UR_GET_STATUS 0x00
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#define UR_CLEAR_FEATURE 0x01
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#define UR_SET_FEATURE 0x03
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#define UR_SET_ADDRESS 0x05
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#define UR_GET_DESCRIPTOR 0x06
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#define UDESC_DEVICE 1
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#define UDESC_CONFIG 2
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#define UDESC_STRING 3
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#define UDESC_INTERFACE 4
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#define UDESC_ENDPOINT 5
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#define UR_SET_DESCRIPTOR 0x07
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#define UR_GET_CONFIG 0x08
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#define UR_SET_CONFIG 0x09
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#define UR_GET_INTERFACE 0x0a
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#define UR_SET_INTERFACE 0x0b
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#define UR_SYNCH_FRAME 0x0c
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/* Feature numbers */
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#define UF_ENDPOINT_HALT 0
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#define UF_DEVICE_REMOTE_WAKEUP 1
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#define USB_MAX_IPACKET 8 /* maximum size of the initial packet */
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uByte bDescriptorSubtype;
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} usb_descriptor_t;
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uWord bcdUSB;
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uByte bDeviceClass;
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uByte bDeviceSubClass;
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uByte bDeviceProtocol;
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uByte bMaxPacketSize;
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/* The fields below are not part of the initial descriptor. */
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uWord idVendor;
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uWord idProduct;
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uWord bcdDevice;
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uByte iManufacturer;
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uByte iProduct;
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uByte iSerialNumber;
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uByte bNumConfigurations;
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} usb_device_descriptor_t;
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#define USB_DEVICE_DESCRIPTOR_SIZE 18
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uWord wTotalLength;
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uByte bNumInterface;
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uByte bConfigurationValue;
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uByte iConfiguration;
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uByte bmAttributes;
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#define UC_BUS_POWERED 0x80
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#define UC_SELF_POWERED 0x40
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#define UC_REMOTE_WAKEUP 0x20
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uByte bMaxPower; /* max current in 2 mA units */
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#define UC_POWER_FACTOR 2
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} usb_config_descriptor_t;
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#define USB_CONFIG_DESCRIPTOR_SIZE 9
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uByte bInterfaceNumber;
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uByte bAlternateSetting;
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uByte bNumEndpoints;
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uByte bInterfaceClass;
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uByte bInterfaceSubClass;
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uByte bInterfaceProtocol;
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uByte iInterface;
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} usb_interface_descriptor_t;
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#define USB_INTERFACE_DESCRIPTOR_SIZE 9
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uByte bEndpointAddress;
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#define UE_DIR 0x80 /* mask */
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#define UE_IN 0x80
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#define UE_OUT 0x00
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#define UE_ADDR 0x0f
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#define UE_GET_ADDR(a) ((a) & UE_ADDR)
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#define UE_GET_IN(a) (((a) >> 7) & 1)
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uByte bmAttributes;
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#define UE_XFERTYPE 0x03
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#define UE_CONTROL 0x00
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#define UE_ISOCHRONOUS 0x01
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#define UE_BULK 0x02
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#define UE_INTERRUPT 0x03
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#define UE_ISO_TYPE 0x0c
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#define UE_ISO_ASYNC 0x04
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#define UE_ISO_ADAPT 0x08
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#define UE_ISO_SYNC 0x0c
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uWord wMaxPacketSize;
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uByte bInterval;
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} usb_endpoint_descriptor_t;
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#define USB_ENDPOINT_DESCRIPTOR_SIZE 7
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typedef struct {
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uByte bLength;
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uByte bDescriptorType;
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uWord bString[127];
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} usb_string_descriptor_t;
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#define USB_MAX_STRING_LEN 128
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#define USB_LANGUAGE_TABLE 0 /* # of the string language id table */
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/* Hub specific request */
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#define UR_GET_BUS_STATE 0x02
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/* Hub features */
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#define UHF_C_HUB_LOCAL_POWER 0
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#define UHF_C_HUB_OVER_CURRENT 1
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#define UHF_PORT_CONNECTION 0
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#define UHF_PORT_ENABLE 1
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#define UHF_PORT_SUSPEND 2
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#define UHF_PORT_OVER_CURRENT 3
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#define UHF_PORT_RESET 4
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#define UHF_PORT_POWER 8
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#define UHF_PORT_LOW_SPEED 9
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#define UHF_C_PORT_CONNECTION 16
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#define UHF_C_PORT_ENABLE 17
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#define UHF_C_PORT_SUSPEND 18
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#define UHF_C_PORT_OVER_CURRENT 19
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#define UHF_C_PORT_RESET 20
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typedef struct {
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uByte bDescLength;
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uByte bDescriptorType;
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uByte bNbrPorts;
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uWord wHubCharacteristics;
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#define UHD_PWR 0x03
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#define UHD_PWR_GANGED 0x00
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#define UHD_PWR_INDIVIDUAL 0x01
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#define UHD_PWR_NO_SWITCH 0x02
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#define UHD_COMPOUND 0x04
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#define UHD_OC 0x18
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#define UHD_OC_GLOBAL 0x00
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#define UHD_OC_INDIVIDUAL 0x08
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#define UHD_OC_NONE 0x10
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uByte bPwrOn2PwrGood; /* delay in 2 ms units */
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#define UHD_PWRON_FACTOR 2
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uByte bHubContrCurrent;
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uByte DeviceRemovable[32]; /* max 255 ports */
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#define UHD_NOT_REMOV(desc, i) \
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(((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
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/* deprecated uByte PortPowerCtrlMask[]; */
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} usb_hub_descriptor_t;
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#define USB_HUB_DESCRIPTOR_SIZE 8
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typedef struct {
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uWord wStatus;
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/* Device status flags */
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#define UDS_SELF_POWERED 0x0001
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#define UDS_REMOTE_WAKEUP 0x0002
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/* Endpoint status flags */
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#define UES_HALT 0x0001
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} usb_status_t;
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typedef struct {
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uWord wHubStatus;
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#define UHS_LOCAL_POWER 0x0001
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#define UHS_OVER_CURRENT 0x0002
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uWord wHubChange;
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} usb_hub_status_t;
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typedef struct {
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uWord wPortStatus;
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#define UPS_CURRENT_CONNECT_STATUS 0x0001
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#define UPS_PORT_ENABLED 0x0002
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#define UPS_SUSPEND 0x0004
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#define UPS_OVERCURRENT_INDICATOR 0x0008
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#define UPS_RESET 0x0010
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#define UPS_PORT_POWER 0x0100
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#define UPS_LOW_SPEED 0x0200
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uWord wPortChange;
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#define UPS_C_CONNECT_STATUS 0x0001
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#define UPS_C_PORT_ENABLED 0x0002
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#define UPS_C_SUSPEND 0x0004
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#define UPS_C_OVERCURRENT_INDICATOR 0x0008
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#define UPS_C_PORT_RESET 0x0010
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} usb_port_status_t;
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#define UDESC_CS_DEVICE 0x21
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#define UDESC_CS_CONFIG 0x22
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#define UDESC_CS_STRING 0x23
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#define UDESC_CS_INTERFACE 0x24
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#define UDESC_CS_ENDPOINT 0x25
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#define UDESC_HUB 0x29
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#define UCLASS_UNSPEC 0 /* Unspecified */
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#define UCLASS_AUDIO 1 /* Audio */
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#define USUBCLASS_AUDIOCONTROL 1
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#define USUBCLASS_AUDIOSTREAM 2
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#define UCLASS_CDC 2 /* Communication */
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#define USUBCLASS_ABSTRACT_CONTROL_MODEL 2
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#define UPROTO_CDC_AT 1
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#define UCLASS_HID 3 /* Human Interface Device */
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#define USUBCLASS_BOOT 1
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#define UCLASS_PRINTER 7 /* Printer/Parallel Port */
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#define USUBCLASS_PRINTER 1
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#define UPROTO_PRINTER_UNI 1 /* Unidirectional */
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#define UPROTO_PRINTER_BI 2 /* Bidirectional */
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#define UCLASS_MASS 8 /* Mass Storage */
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#define USUBCLASS_RBC 1 /* Reduced Block comm. (e.g. Flash ) */
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#define USUBCLASS_SFF8020I 2 /* (e.g. CD ROM) */
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#define USUBCLASS_QIC157 3 /* (e.g. tape drives) */
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#define USUBCLASS_UFI 4 /* (e.g. floppy drives) */
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#define USUBCLASS_SFF8070I 5 /* (e.g. floppy drives) */
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#define USUBCLASS_SCSI 6 /* SCSI transparent comman set */
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#define UPROTO_MASS_CBI_I 0 /* CBI protocol with comm. compl. int */
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#define UPROTO_MASS_CBI 1 /* CBI protocol */
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/* unknown yet 1999-04-05
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#define UPROTO_MASS_BULK ?? / * Bulk only transport * /
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*/
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#define UCLASS_HUB 9 /* Hub */
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#define USUBCLASS_HUB 0
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#define UCLASS_DATA 10
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#define USB_HUB_MAX_DEPTH 5
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/*
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* Minimum time a device needs to be powered down to go through
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* a power cycle. XXX Are these time in the spec?
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*/
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#define USB_POWER_DOWN_TIME 200 /* ms */
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#define USB_PORT_POWER_DOWN_TIME 100 /* ms */
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#if 0
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/* These are the values from the spec. */
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#define USB_PORT_RESET_DELAY 10 /* ms */
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#define USB_PORT_RESET_SETTLE 10 /* ms */
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#define USB_PORT_POWERUP_DELAY 100 /* ms */
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#define USB_SET_ADDRESS_SETTLE 2 /* ms */
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#else
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/* Allow for marginal (i.e. non-conforming) devices. */
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#define USB_PORT_RESET_DELAY 20 /* ms */
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#define USB_PORT_RESET_RECOVERY 50 /* ms */
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#define USB_PORT_POWERUP_DELAY 200 /* ms */
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#define USB_SET_ADDRESS_SETTLE 10 /* ms */
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#endif
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#define USB_MIN_POWER 100 /* mA */
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#define USB_MAX_POWER 500 /* mA */
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#define USB_BUS_RESET_DELAY 100 /* ms XXX?*/
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#define USB_RESUME_DELAY 10 /* ms XXX?*/
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/*** ioctl() related stuff ***/
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struct usb_ctl_request {
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int addr;
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usb_device_request_t request;
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void *data;
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int flags;
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/* XXX must match flags in usbdi.h */
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#define USBD_SHORT_XFER_OK 0x04
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int actlen; /* actual length transferred */
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};
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struct usb_alt_interface {
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int config_index;
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int interface_index;
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int alt_no;
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};
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#define USB_CURRENT_CONFIG_INDEX (-1)
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#define USB_CURRENT_ALT_INDEX (-1)
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struct usb_config_desc {
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int config_index;
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usb_config_descriptor_t desc;
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};
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struct usb_interface_desc {
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int config_index;
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int interface_index;
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int alt_index;
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usb_interface_descriptor_t desc;
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};
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struct usb_endpoint_desc {
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int config_index;
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int interface_index;
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int alt_index;
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int endpoint_index;
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usb_endpoint_descriptor_t desc;
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};
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struct usb_full_desc {
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int config_index;
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u_int size;
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u_char *data;
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};
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struct usb_string_desc {
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int string_index;
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int language_id;
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usb_string_descriptor_t desc;
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};
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struct usb_ctl_report_desc {
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int size;
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u_char data[1024]; /* filled data size will vary */
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};
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struct usb_device_info {
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u_int8_t addr; /* device address */
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char product[USB_MAX_STRING_LEN];
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char vendor[USB_MAX_STRING_LEN];
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char revision[8];
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u_int16_t productNo;
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u_int16_t vendorNo;
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u_int8_t class;
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u_int8_t config;
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u_int8_t lowspeed;
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int power; /* power consumption in mA, 0 if selfpowered */
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int nports;
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u_int8_t ports[16];/* hub only: addresses of devices on ports */
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#define USB_PORT_ENABLED 0xff
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#define USB_PORT_SUSPENDED 0xfe
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#define USB_PORT_POWERED 0xfd
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#define USB_PORT_DISABLED 0xfc
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};
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struct usb_ctl_report {
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int report;
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u_char data[1024]; /* filled data size will vary */
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};
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struct usb_device_stats {
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u_long requests[4]; /* indexed by transfer type UE_* */
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};
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/* USB controller */
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#define USB_REQUEST _IOWR('U', 1, struct usb_ctl_request)
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#define USB_SETDEBUG _IOW ('U', 2, int)
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#define USB_DISCOVER _IO ('U', 3)
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#define USB_DEVICEINFO _IOWR('U', 4, struct usb_device_info)
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#define USB_DEVICESTATS _IOR ('U', 5, struct usb_device_stats)
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/* Generic HID device */
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#define USB_GET_REPORT_DESC _IOR ('U', 21, struct usb_ctl_report_desc)
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#define USB_SET_IMMED _IOW ('U', 22, int)
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#define USB_GET_REPORT _IOWR('U', 23, struct usb_ctl_report)
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/* Generic USB device */
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#define USB_GET_CONFIG _IOR ('U', 100, int)
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#define USB_SET_CONFIG _IOW ('U', 101, int)
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#define USB_GET_ALTINTERFACE _IOWR('U', 102, struct usb_alt_interface)
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#define USB_SET_ALTINTERFACE _IOWR('U', 103, struct usb_alt_interface)
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#define USB_GET_NO_ALT _IOWR('U', 104, struct usb_alt_interface)
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#define USB_GET_DEVICE_DESC _IOR ('U', 105, usb_device_descriptor_t)
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#define USB_GET_CONFIG_DESC _IOWR('U', 106, struct usb_config_desc)
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#define USB_GET_INTERFACE_DESC _IOWR('U', 107, struct usb_interface_desc)
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#define USB_GET_ENDPOINT_DESC _IOWR('U', 108, struct usb_endpoint_desc)
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#define USB_GET_FULL_DESC _IOWR('U', 109, struct usb_full_desc)
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#define USB_GET_STRING_DESC _IOWR('U', 110, struct usb_string_desc)
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#define USB_DO_REQUEST _IOWR('U', 111, struct usb_ctl_request)
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#define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info)
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#define USB_SET_SHORT_XFER _IOW ('U', 113, int)
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#endif /* _USB_H_ */
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