/* * This file is part of the coreboot project. * * Copyright (C) 2007 AMD * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. * * 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; version 2 of the License. * * 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. */ #ifndef USB_CH9_H #define USB_CH9_H #define USB_DIR_OUT 0 /* to device */ #define USB_DIR_IN 0x80 /* to host */ /* * USB types, the second of three bRequestType fields */ #define USB_TYPE_MASK (0x03 << 5) #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, the third of three bRequestType fields */ #define USB_RECIP_MASK 0x1f #define USB_RECIP_DEVICE 0x00 #define USB_RECIP_INTERFACE 0x01 #define USB_RECIP_ENDPOINT 0x02 #define USB_RECIP_OTHER 0x03 /* From Wireless USB 1.0 */ #define USB_RECIP_PORT 0x04 #define USB_RECIP_RPIPE 0x05 /* * Standard requests, for the bRequest field of a SETUP packet. * * These are qualified by the bRequestType field, so that for example * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved * by a GET_STATUS request. */ #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 #define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ #define USB_REQ_GET_ENCRYPTION 0x0E #define USB_REQ_RPIPE_ABORT 0x0E #define USB_REQ_SET_HANDSHAKE 0x0F #define USB_REQ_RPIPE_RESET 0x0F #define USB_REQ_GET_HANDSHAKE 0x10 #define USB_REQ_SET_CONNECTION 0x11 #define USB_REQ_SET_SECURITY_DATA 0x12 #define USB_REQ_GET_SECURITY_DATA 0x13 #define USB_REQ_SET_WUSB_DATA 0x14 #define USB_REQ_LOOPBACK_DATA_WRITE 0x15 #define USB_REQ_LOOPBACK_DATA_READ 0x16 #define USB_REQ_SET_INTERFACE_DS 0x17 #define USB_DT_DEBUG 0x0a #define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ /* * USB Packet IDs (PIDs) */ /* token */ #define USB_PID_OUT 0xe1 #define USB_PID_IN 0x69 #define USB_PID_SOF 0xa5 #define USB_PID_SETUP 0x2d /* handshake */ #define USB_PID_ACK 0xd2 #define USB_PID_NAK 0x5a #define USB_PID_STALL 0x1e #define USB_PID_NYET 0x96 /* data */ #define USB_PID_DATA0 0xc3 #define USB_PID_DATA1 0x4b #define USB_PID_DATA2 0x87 #define USB_PID_MDATA 0x0f /* Special */ #define USB_PID_PREAMBLE 0x3c #define USB_PID_ERR 0x3c #define USB_PID_SPLIT 0x78 #define USB_PID_PING 0xb4 #define USB_PID_UNDEF_0 0xf0 #define USB_PID_DATA_TOGGLE 0x88 struct usb_ctrlrequest { u8 bRequestType; u8 bRequest; u16 wValue; u16 wIndex; u16 wLength; } __attribute__ ((packed)); struct usb_debug_descriptor { u8 bLength; u8 bDescriptorType; /* bulk endpoints with 8 byte maxpacket */ u8 bDebugInEndpoint; u8 bDebugOutEndpoint; }; #endif