grub/include/grub/usbtrans.h
2010-08-17 19:03:22 +05:30

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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_USBTRANS_H
#define GRUB_USBTRANS_H 1
typedef enum
{
GRUB_USB_TRANSFER_TYPE_IN,
GRUB_USB_TRANSFER_TYPE_OUT,
GRUB_USB_TRANSFER_TYPE_SETUP
} grub_transfer_type_t;
typedef enum
{
GRUB_USB_TRANSACTION_TYPE_CONTROL,
GRUB_USB_TRANSACTION_TYPE_BULK
} grub_transaction_type_t;
struct grub_usb_transaction
{
int size;
int toggle;
grub_transfer_type_t pid;
grub_uint32_t data;
grub_size_t preceding;
};
typedef struct grub_usb_transaction *grub_usb_transaction_t;
struct grub_usb_transfer
{
int devaddr;
int endpoint;
int size;
int transcnt;
int max;
grub_transaction_type_t type;
struct grub_usb_device *dev;
struct grub_usb_transaction *transactions;
int last_trans;
/* Index of last processed transaction in OHCI/UHCI driver. */
};
typedef struct grub_usb_transfer *grub_usb_transfer_t;
#define GRUB_USB_REQTYPE_IN (1 << 7)
#define GRUB_USB_REQTYPE_OUT (0 << 7)
#define GRUB_USB_REQTYPE_STANDARD (0 << 5)
#define GRUB_USB_REQTYPE_CLASS (1 << 5)
#define GRUB_USB_REQTYPE_VENDOR (2 << 5)
#define GRUB_USB_REQTYPE_TARGET_DEV (0 << 0)
#define GRUB_USB_REQTYPE_TARGET_INTERF (1 << 0)
#define GRUB_USB_REQTYPE_TARGET_ENDP (2 << 0)
#define GRUB_USB_REQTYPE_TARGET_OTHER (3 << 0)
#define GRUB_USB_REQ_GET_STATUS 0x00
#define GRUB_USB_REQ_CLEAR_FEATURE 0x01
#define GRUB_USB_REQ_SET_FEATURE 0x03
#define GRUB_USB_REQ_SET_ADDRESS 0x05
#define GRUB_USB_REQ_GET_DESCRIPTOR 0x06
#define GRUB_USB_REQ_SET_DESCRIPTOR 0x07
#define GRUB_USB_REQ_GET_CONFIGURATION 0x08
#define GRUB_USB_REQ_SET_CONFIGURATION 0x09
#define GRUB_USB_REQ_GET_INTERFACE 0x0A
#define GRUB_USB_REQ_SET_INTERFACE 0x0B
#define GRUB_USB_REQ_SYNC_FRAME 0x0C
#define GRUB_USB_FEATURE_ENDP_HALT 0x00
#define GRUB_USB_FEATURE_DEV_REMOTE_WU 0x01
#define GRUB_USB_FEATURE_TEST_MODE 0x02
#define GRUB_USB_HUB_FEATURE_PORT_RESET 0x04
#define GRUB_USB_HUB_FEATURE_PORT_POWER 0x08
#define GRUB_USB_HUB_FEATURE_C_CONNECTED 0x10
#define GRUB_USB_HUB_STATUS_CONNECTED (1 << 0)
#define GRUB_USB_HUB_STATUS_LOWSPEED (1 << 9)
#define GRUB_USB_HUB_STATUS_HIGHSPEED (1 << 10)
#define GRUB_USB_HUB_STATUS_C_CONNECTED (1 << 16)
#define GRUB_USB_HUB_STATUS_C_PORT_RESET (1 << 20)
struct grub_usb_packet_setup
{
grub_uint8_t reqtype;
grub_uint8_t request;
grub_uint16_t value;
grub_uint16_t index;
grub_uint16_t length;
} __attribute__((packed));
#endif /* GRUB_USBTRANS_H */