#ifndef MINIX_USB_CH9_H #define MINIX_USB_CH9_H /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* USB DESCRIPTORS */ /* * The USB records contain some unaligned little-endian word * components. The U[SG]ETW macros take care of both the alignment * and endian problem and should always be used to access non-byte * values. */ #include typedef u8_t uByte; typedef u8_t uWord[2]; typedef u8_t uDWord[4]; #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h)) #if 1 #define UGETW(w) ((w)[0] | ((w)[1] << 8)) #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8)) #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24)) #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \ (w)[1] = (u_int8_t)((v) >> 8), \ (w)[2] = (u_int8_t)((v) >> 16), \ (w)[3] = (u_int8_t)((v) >> 24)) #else /* * On little-endian machines that can handle unanliged accesses * (e.g. i386) these macros can be replaced by the following. */ #define UGETW(w) (*(u_int16_t *)(w)) #define USETW(w,v) (*(u_int16_t *)(w) = (v)) #define UGETDW(w) (*(u_int32_t *)(w)) #define USETDW(w,v) (*(u_int32_t *)(w) = (v)) #endif #define UPACKED __attribute__((__packed__)) /* Requests */ #define UR_GET_STATUS 0x00 #define UR_CLEAR_FEATURE 0x01 #define UR_SET_FEATURE 0x03 #define UR_SET_ADDRESS 0x05 #define UR_GET_DESCRIPTOR 0x06 #define UDESC_DEVICE 0x01 #define UDESC_CONFIG 0x02 #define UDESC_STRING 0x03 #define USB_LANGUAGE_TABLE 0x00 /* language ID string index */ #define UDESC_INTERFACE 0x04 #define UDESC_ENDPOINT 0x05 #define UDESC_DEVICE_QUALIFIER 0x06 #define UDESC_OTHER_SPEED_CONFIGURATION 0x07 #define UDESC_INTERFACE_POWER 0x08 #define UDESC_OTG 0x09 #define UDESC_DEBUG 0x0A #define UDESC_IFACE_ASSOC 0x0B /* interface association */ #define UDESC_BOS 0x0F /* binary object store */ #define UDESC_DEVICE_CAPABILITY 0x10 #define UDESC_CS_DEVICE 0x21 /* class specific */ #define UDESC_CS_CONFIG 0x22 #define UDESC_CS_STRING 0x23 #define UDESC_CS_INTERFACE 0x24 #define UDESC_CS_ENDPOINT 0x25 #define UDESC_HUB 0x29 #define UDESC_ENDPOINT_SS_COMP 0x30 /* super speed */ #define UR_SET_DESCRIPTOR 0x07 #define UR_GET_CONFIG 0x08 #define UR_SET_CONFIG 0x09 #define UR_GET_INTERFACE 0x0a #define UR_SET_INTERFACE 0x0b #define UR_SYNCH_FRAME 0x0c #define UR_SET_SEL 0x30 #define UR_ISOCH_DELAY 0x31 typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; } UPACKED usb_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uWord bcdUSB; #define UD_USB_2_0 0x0200 #define UD_IS_USB2(d) (UGETW((d)->bcdUSB) >= UD_USB_2_0) uByte bDeviceClass; uByte bDeviceSubClass; uByte bDeviceProtocol; uByte bMaxPacketSize; /* The fields below are not part of the initial descriptor. */ uWord idVendor; uWord idProduct; uWord bcdDevice; uByte iManufacturer; uByte iProduct; uByte iSerialNumber; uByte bNumConfigurations; } UPACKED usb_device_descriptor_t; #define USB_DEVICE_DESCRIPTOR_SIZE 18 typedef struct { uByte bLength; uByte bDescriptorType; uWord wTotalLength; uByte bNumInterface; uByte bConfigurationValue; uByte iConfiguration; uByte bmAttributes; #define UC_BUS_POWERED 0x80 #define UC_SELF_POWERED 0x40 #define UC_REMOTE_WAKEUP 0x20 uByte bMaxPower; /* max current in 2 mA units */ #define UC_POWER_FACTOR 2 } UPACKED usb_config_descriptor_t; #define USB_CONFIG_DESCRIPTOR_SIZE 9 typedef struct { uByte bLength; uByte bDescriptorType; uByte bInterfaceNumber; uByte bAlternateSetting; uByte bNumEndpoints; uByte bInterfaceClass; uByte bInterfaceSubClass; uByte bInterfaceProtocol; uByte iInterface; } UPACKED usb_interface_descriptor_t; #define USB_INTERFACE_DESCRIPTOR_SIZE 9 typedef struct { uByte bLength; uByte bDescriptorType; uByte bEndpointAddress; #define UE_GET_DIR(a) ((a) & 0x80) #define UE_SET_DIR(a,d) ((a) | (((d)&1) << 7)) #define UE_DIR_IN 0x80 #define UE_DIR_OUT 0x00 #define UE_ADDR 0x0f #define UE_GET_ADDR(a) ((a) & UE_ADDR) uByte bmAttributes; #define UE_XFERTYPE 0x03 #define UE_CONTROL 0x00 #define UE_ISOCHRONOUS 0x01 #define UE_BULK 0x02 #define UE_INTERRUPT 0x03 #define UE_GET_XFERTYPE(a) ((a) & UE_XFERTYPE) #define UE_ISO_TYPE 0x0c #define UE_ISO_ASYNC 0x04 #define UE_ISO_ADAPT 0x08 #define UE_ISO_SYNC 0x0c #define UE_GET_ISO_TYPE(a) ((a) & UE_ISO_TYPE) uWord wMaxPacketSize; uByte bInterval; } UPACKED usb_endpoint_descriptor_t; #define USB_ENDPOINT_DESCRIPTOR_SIZE 7 typedef struct { uByte bLength; uByte bDescriptorType; uWord bString[127]; } UPACKED usb_string_descriptor_t; #define USB_MAX_STRING_LEN 128 #define USB_MAX_ENCODED_STRING_LEN (USB_MAX_STRING_LEN * 3) /* UTF8 */ struct usb_device_request { uByte bmRequestType; uByte bRequest; uWord wValue; uWord wIndex; uWord wLength; } UPACKED; typedef struct usb_device_request usb_device_request_t; #endif