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u-boot/include/usb_defs.h
Simon Glass 7caced5aae dm: usb: Tidy up pipe value decoding 
Add a few more shifts/masks to make it easier to decode a pipe value (rather
than just building it). We need this for USB device emulation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18 11:11:29 -06:00

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C
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/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* SPDX-License-Identifier: GPL-2.0+
*
* Note: Part of this code has been derived from linux
*/
#ifndef _USB_DEFS_H_
#define _USB_DEFS_H_
/* 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
/*
* bmRequestType: USB Device Requests, table 9.2 USB 2.0 spec.
* (shifted) direction/type/recipient.
*/
#define DeviceRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
#define DeviceOutRequest \
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
#define InterfaceRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
#define EndpointRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
#define EndpointOutRequest \
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
/* 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
/* Device features */
#define USB_FEAT_HALT 0x00
#define USB_FEAT_WAKEUP 0x01
#define USB_FEAT_TEST 0x02
/* Test modes */
#define USB_TEST_MODE_J 0x01
#define USB_TEST_MODE_K 0x02
#define USB_TEST_MODE_SE0_NAK 0x03
#define USB_TEST_MODE_PACKET 0x04
#define USB_TEST_MODE_FORCE_ENABLE 0x05
/*
* "pipe" definitions, use unsigned so we can compare reliably, since this
* value is shifted up to bits 30/31.
*/
#define PIPE_ISOCHRONOUS 0U
#define PIPE_INTERRUPT 1U
#define PIPE_CONTROL 2U
#define PIPE_BULK 3U
#define PIPE_DEVEP_MASK 0x0007ff00
#define USB_ISOCHRONOUS 0
#define USB_INTERRUPT 1
#define USB_CONTROL 2
#define USB_BULK 3
#define USB_PIPE_TYPE_SHIFT 30
#define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT)
#define USB_PIPE_DEV_SHIFT 8
#define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT)
#define USB_PIPE_EP_SHIFT 15
#define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT)
/* 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_HIGHSPEED 10
#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
#define USB_PORT_FEAT_TEST 21
/*
* Changes to Port feature numbers for Super speed,
* from USB 3.0 spec Table 10-8
*/
#define USB_SS_PORT_FEAT_U1_TIMEOUT 23
#define USB_SS_PORT_FEAT_U2_TIMEOUT 24
#define USB_SS_PORT_FEAT_C_LINK_STATE 25
#define USB_SS_PORT_FEAT_C_CONFIG_ERROR 26
#define USB_SS_PORT_FEAT_BH_RESET 28
#define USB_SS_PORT_FEAT_C_BH_RESET 29
/* 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
#define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */
#define USB_PORT_STAT_SUPER_SPEED 0x0600 /* faking support to XHCI */
#define USB_PORT_STAT_SPEED_MASK \
(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
/*
* Changes to wPortStatus bit field in USB 3.0
* See USB 3.0 spec Table 10-11
*/
#define USB_SS_PORT_STAT_LINK_STATE 0x01e0
#define USB_SS_PORT_STAT_POWER 0x0200
#define USB_SS_PORT_STAT_SPEED 0x1c00
#define USB_SS_PORT_STAT_SPEED_5GBPS 0x0000
/* 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
/*
* Changes to wPortChange bit fields in USB 3.0
* See USB 3.0 spec Table 10-12
*/
#define USB_SS_PORT_STAT_C_BH_RESET 0x0020
#define USB_SS_PORT_STAT_C_LINK_STATE 0x0040
#define USB_SS_PORT_STAT_C_CONFIG_ERROR 0x0080
/* 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
/* Mask for wIndex in get/set port feature */
#define USB_HUB_PORT_MASK 0xf
/*
* CBI style
*/
#define US_CBI_ADSC 0
/* Command Block Wrapper */
struct umass_bbb_cbw {
__u32 dCBWSignature;
# define CBWSIGNATURE 0x43425355
__u32 dCBWTag;
__u32 dCBWDataTransferLength;
__u8 bCBWFlags;
# define CBWFLAGS_OUT 0x00
# define CBWFLAGS_IN 0x80
# define CBWFLAGS_SBZ 0x7f
__u8 bCBWLUN;
__u8 bCDBLength;
# define CBWCDBLENGTH 16
__u8 CBWCDB[CBWCDBLENGTH];
};
#define UMASS_BBB_CBW_SIZE 31
/* Command Status Wrapper */
struct umass_bbb_csw {
__u32 dCSWSignature;
# define CSWSIGNATURE 0x53425355
__u32 dCSWTag;
__u32 dCSWDataResidue;
__u8 bCSWStatus;
# define CSWSTATUS_GOOD 0x0
# define CSWSTATUS_FAILED 0x1
# define CSWSTATUS_PHASE 0x2
};
#define UMASS_BBB_CSW_SIZE 13
/*
* BULK only
*/
#define US_BBB_RESET 0xff
#define US_BBB_GET_MAX_LUN 0xfe
#endif /*_USB_DEFS_H_ */
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