usb_defs.h

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/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 * Note: Part of this code has been derived from linux
 *
 */
#ifndef _USB_DEFS_H_
#define _USB_DEFS_H_


/* Everything is aribtrary */
#define USB_ALTSETTINGALLOC          4
#define USB_MAXALTSETTING	           128  /* Hard limit */

#define USB_MAX_DEVICE              32
#define USB_MAXCONFIG		            8
#define USB_MAXINTERFACES	          8
#define USB_MAXENDPOINTS	          16
#define USB_MAXCHILDREN  						8 	/* This is arbitrary */
#define USB_MAX_HUB									16

#define USB_CNTL_TIMEOUT 100 /* 100ms timeout */

/* USB constants */

/* Device and/or Interface Class codes */
#define USB_CLASS_PER_INTERFACE  0	/* for DeviceClass */
#define USB_CLASS_AUDIO          1
#define USB_CLASS_COMM           2
#define USB_CLASS_HID            3
#define USB_CLASS_PRINTER	       7
#define USB_CLASS_MASS_STORAGE   8
#define USB_CLASS_HUB            9
#define USB_CLASS_DATA           10
#define USB_CLASS_VENDOR_SPEC    0xff

/* some HID sub classes */
#define USB_SUB_HID_NONE        0
#define USB_SUB_HID_BOOT        1

/* some UID Protocols */
#define USB_PROT_HID_NONE       0
#define USB_PROT_HID_KEYBOARD   1
#define USB_PROT_HID_MOUSE      2


/* Sub STORAGE Classes */
#define US_SC_RBC              1		/* Typically, flash devices */
#define US_SC_8020             2		/* CD-ROM */
#define US_SC_QIC              3		/* QIC-157 Tapes */
#define US_SC_UFI              4		/* Floppy */
#define US_SC_8070             5		/* Removable media */
#define US_SC_SCSI             6		/* Transparent */
#define US_SC_MIN              US_SC_RBC
#define US_SC_MAX              US_SC_SCSI

/* STORAGE Protocols */
#define US_PR_CB               1		/* Control/Bulk w/o interrupt */
#define US_PR_CBI              0		/* Control/Bulk/Interrupt */
#define US_PR_BULK             0x50		/* bulk only */

/* USB types */
#define USB_TYPE_STANDARD   (0x00 << 5)
#define USB_TYPE_CLASS      (0x01 << 5)
#define USB_TYPE_VENDOR     (0x02 << 5)
#define USB_TYPE_RESERVED   (0x03 << 5)

/* USB recipients */
#define USB_RECIP_DEVICE      0x00
#define USB_RECIP_INTERFACE   0x01
#define USB_RECIP_ENDPOINT    0x02
#define USB_RECIP_OTHER       0x03

/* USB directions */
#define USB_DIR_OUT           0
#define USB_DIR_IN            0x80

/* Descriptor types */
#define USB_DT_DEVICE        0x01
#define USB_DT_CONFIG        0x02
#define USB_DT_STRING        0x03
#define USB_DT_INTERFACE     0x04
#define USB_DT_ENDPOINT      0x05

#define USB_DT_HID          (USB_TYPE_CLASS | 0x01)
#define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
#define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
#define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)

/* Descriptor sizes per descriptor type */
#define USB_DT_DEVICE_SIZE      18
#define USB_DT_CONFIG_SIZE      9
#define USB_DT_INTERFACE_SIZE   9
#define USB_DT_ENDPOINT_SIZE    7
#define USB_DT_ENDPOINT_AUDIO_SIZE  9	/* Audio extension */
#define USB_DT_HUB_NONVAR_SIZE  7
#define USB_DT_HID_SIZE         9

/* Endpoints */
#define USB_ENDPOINT_NUMBER_MASK  0x0f	/* in bEndpointAddress */
#define USB_ENDPOINT_DIR_MASK     0x80

#define USB_ENDPOINT_XFERTYPE_MASK 0x03	/* in bmAttributes */
#define USB_ENDPOINT_XFER_CONTROL  0
#define USB_ENDPOINT_XFER_ISOC     1
#define USB_ENDPOINT_XFER_BULK     2
#define USB_ENDPOINT_XFER_INT      3

/* USB Packet IDs (PIDs) */
#define USB_PID_UNDEF_0             0xf0
#define USB_PID_OUT                 0xe1
#define USB_PID_ACK                 0xd2
#define USB_PID_DATA0               0xc3
#define USB_PID_UNDEF_4             0xb4
#define USB_PID_SOF                 0xa5
#define USB_PID_UNDEF_6             0x96
#define USB_PID_UNDEF_7             0x87
#define USB_PID_UNDEF_8             0x78
#define USB_PID_IN                  0x69
#define USB_PID_NAK                 0x5a
#define USB_PID_DATA1               0x4b
#define USB_PID_PREAMBLE            0x3c
#define USB_PID_SETUP               0x2d
#define USB_PID_STALL               0x1e
#define USB_PID_UNDEF_F             0x0f

/* Standard requests */
#define USB_REQ_GET_STATUS          0x00
#define USB_REQ_CLEAR_FEATURE       0x01
#define USB_REQ_SET_FEATURE         0x03
#define USB_REQ_SET_ADDRESS         0x05
#define USB_REQ_GET_DESCRIPTOR      0x06
#define USB_REQ_SET_DESCRIPTOR      0x07
#define USB_REQ_GET_CONFIGURATION   0x08
#define USB_REQ_SET_CONFIGURATION   0x09
#define USB_REQ_GET_INTERFACE       0x0A
#define USB_REQ_SET_INTERFACE       0x0B
#define USB_REQ_SYNCH_FRAME         0x0C

/* HID requests */
#define USB_REQ_GET_REPORT          0x01
#define USB_REQ_GET_IDLE            0x02
#define USB_REQ_GET_PROTOCOL        0x03
#define USB_REQ_SET_REPORT          0x09
#define USB_REQ_SET_IDLE            0x0A
#define USB_REQ_SET_PROTOCOL        0x0B


/* "pipe" definitions */

#define PIPE_ISOCHRONOUS    0
#define PIPE_INTERRUPT      1
#define PIPE_CONTROL        2
#define PIPE_BULK           3
#define PIPE_DEVEP_MASK     0x0007ff00

#define USB_ISOCHRONOUS    0
#define USB_INTERRUPT      1
#define USB_CONTROL        2
#define USB_BULK           3

/* USB-status codes: */
#define USB_ST_ACTIVE           0x1		/* TD is active */
#define USB_ST_STALLED          0x2		/* TD is stalled */
#define USB_ST_BUF_ERR          0x4		/* buffer error */
#define USB_ST_BABBLE_DET       0x8		/* Babble detected */
#define USB_ST_NAK_REC          0x10	/* NAK Received*/
#define USB_ST_CRC_ERR          0x20	/* CRC/timeout Error */
#define USB_ST_BIT_ERR          0x40	/* Bitstuff error */
#define USB_ST_NOT_PROC         0x80000000L	/* Not yet processed */


/*************************************************************************
 * Hub defines
 */

/*
 * Hub request types
 */

#define USB_RT_HUB	(USB_TYPE_CLASS | USB_RECIP_DEVICE)
#define USB_RT_PORT	(USB_TYPE_CLASS | USB_RECIP_OTHER)

/*
 * Hub Class feature numbers
 */
#define C_HUB_LOCAL_POWER   0
#define C_HUB_OVER_CURRENT  1

/*
 * Port feature numbers
 */
#define USB_PORT_FEAT_CONNECTION     0
#define USB_PORT_FEAT_ENABLE         1
#define USB_PORT_FEAT_SUSPEND        2
#define USB_PORT_FEAT_OVER_CURRENT   3
#define USB_PORT_FEAT_RESET          4
#define USB_PORT_FEAT_POWER          8
#define USB_PORT_FEAT_LOWSPEED       9
#define USB_PORT_FEAT_C_CONNECTION   16
#define USB_PORT_FEAT_C_ENABLE       17
#define USB_PORT_FEAT_C_SUSPEND      18
#define USB_PORT_FEAT_C_OVER_CURRENT 19
#define USB_PORT_FEAT_C_RESET        20

/* wPortStatus bits */
#define USB_PORT_STAT_CONNECTION    0x0001
#define USB_PORT_STAT_ENABLE        0x0002
#define USB_PORT_STAT_SUSPEND       0x0004
#define USB_PORT_STAT_OVERCURRENT   0x0008
#define USB_PORT_STAT_RESET         0x0010
#define USB_PORT_STAT_POWER         0x0100
#define USB_PORT_STAT_LOW_SPEED     0x0200

/* wPortChange bits */
#define USB_PORT_STAT_C_CONNECTION  0x0001
#define USB_PORT_STAT_C_ENABLE      0x0002
#define USB_PORT_STAT_C_SUSPEND     0x0004
#define USB_PORT_STAT_C_OVERCURRENT 0x0008
#define USB_PORT_STAT_C_RESET       0x0010

/* wHubCharacteristics (masks) */
#define HUB_CHAR_LPSM               0x0003
#define HUB_CHAR_COMPOUND           0x0004
#define HUB_CHAR_OCPM               0x0018

/*
 *Hub Status & Hub Change bit masks
 */
#define HUB_STATUS_LOCAL_POWER	0x0001
#define HUB_STATUS_OVERCURRENT	0x0002

#define HUB_CHANGE_LOCAL_POWER	0x0001
#define HUB_CHANGE_OVERCURRENT	0x0002

#endif /*_USB_DEFS_H_ */