minix3/include/minix/usb_ch9.h

218 lines
6.7 KiB
C

#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 <sys/types.h>
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