218 lines
6.7 KiB
C
218 lines
6.7 KiB
C
#ifndef MINIX_USB_CH9_H
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#define MINIX_USB_CH9_H
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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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/* USB DESCRIPTORS */
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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 non-byte
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* values.
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*/
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#include <minix/types.h>
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typedef u8_t uByte;
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typedef u8_t uWord[2];
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typedef u8_t uDWord[4];
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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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#if 1
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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 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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#else
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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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#define UGETW(w) (*(u_int16_t *)(w))
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#define USETW(w,v) (*(u_int16_t *)(w) = (v))
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#define UGETDW(w) (*(u_int32_t *)(w))
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#define USETDW(w,v) (*(u_int32_t *)(w) = (v))
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#endif
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#define UPACKED __attribute__((__packed__))
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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 0x01
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#define UDESC_CONFIG 0x02
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#define UDESC_STRING 0x03
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#define USB_LANGUAGE_TABLE 0x00 /* language ID string index */
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#define UDESC_INTERFACE 0x04
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#define UDESC_ENDPOINT 0x05
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#define UDESC_DEVICE_QUALIFIER 0x06
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#define UDESC_OTHER_SPEED_CONFIGURATION 0x07
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#define UDESC_INTERFACE_POWER 0x08
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#define UDESC_OTG 0x09
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#define UDESC_DEBUG 0x0A
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#define UDESC_IFACE_ASSOC 0x0B /* interface association */
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#define UDESC_BOS 0x0F /* binary object store */
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#define UDESC_DEVICE_CAPABILITY 0x10
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#define UDESC_CS_DEVICE 0x21 /* class specific */
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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 UDESC_ENDPOINT_SS_COMP 0x30 /* super speed */
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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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#define UR_SET_SEL 0x30
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#define UR_ISOCH_DELAY 0x31
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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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} UPACKED 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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#define UD_USB_2_0 0x0200
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#define UD_IS_USB2(d) (UGETW((d)->bcdUSB) >= UD_USB_2_0)
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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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} UPACKED 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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} UPACKED 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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} UPACKED 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_GET_DIR(a) ((a) & 0x80)
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#define UE_SET_DIR(a,d) ((a) | (((d)&1) << 7))
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#define UE_DIR_IN 0x80
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#define UE_DIR_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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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_GET_XFERTYPE(a) ((a) & UE_XFERTYPE)
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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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#define UE_GET_ISO_TYPE(a) ((a) & UE_ISO_TYPE)
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uWord wMaxPacketSize;
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uByte bInterval;
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} UPACKED 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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} UPACKED usb_string_descriptor_t;
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#define USB_MAX_STRING_LEN 128
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#define USB_MAX_ENCODED_STRING_LEN (USB_MAX_STRING_LEN * 3) /* UTF8 */
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struct usb_device_request {
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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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} UPACKED;
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typedef struct usb_device_request usb_device_request_t;
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#endif
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