grub/include/grub/usbtrans.h
2013-01-20 22:45:53 +01:00

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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
#define MAX_USB_TRANSFER_LEN 0x0800
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;
grub_transfer_type_t dir;
struct grub_usb_device *dev;
struct grub_usb_transaction *transactions;
int last_trans;
/* Index of last processed transaction in OHCI/UHCI driver. */
void *controller_data;
/* Used when finishing transfer to copy data back. */
struct grub_pci_dma_chunk *data_chunk;
void *data;
};
typedef struct grub_usb_transfer *grub_usb_transfer_t;
enum
{
GRUB_USB_REQTYPE_TARGET_DEV = (0 << 0),
GRUB_USB_REQTYPE_TARGET_INTERF = (1 << 0),
GRUB_USB_REQTYPE_TARGET_ENDP = (2 << 0),
GRUB_USB_REQTYPE_TARGET_OTHER = (3 << 0),
GRUB_USB_REQTYPE_STANDARD = (0 << 5),
GRUB_USB_REQTYPE_CLASS = (1 << 5),
GRUB_USB_REQTYPE_VENDOR = (2 << 5),
GRUB_USB_REQTYPE_OUT = (0 << 7),
GRUB_USB_REQTYPE_IN = (1 << 7),
GRUB_USB_REQTYPE_CLASS_INTERFACE_OUT = GRUB_USB_REQTYPE_TARGET_INTERF
| GRUB_USB_REQTYPE_CLASS | GRUB_USB_REQTYPE_OUT,
GRUB_USB_REQTYPE_VENDOR_OUT = GRUB_USB_REQTYPE_VENDOR | GRUB_USB_REQTYPE_OUT,
GRUB_USB_REQTYPE_CLASS_INTERFACE_IN = GRUB_USB_REQTYPE_TARGET_INTERF
| GRUB_USB_REQTYPE_CLASS | GRUB_USB_REQTYPE_IN,
GRUB_USB_REQTYPE_VENDOR_IN = GRUB_USB_REQTYPE_VENDOR | GRUB_USB_REQTYPE_IN
};
enum
{
GRUB_USB_REQ_GET_STATUS = 0x00,
GRUB_USB_REQ_CLEAR_FEATURE = 0x01,
GRUB_USB_REQ_SET_FEATURE = 0x03,
GRUB_USB_REQ_SET_ADDRESS = 0x05,
GRUB_USB_REQ_GET_DESCRIPTOR = 0x06,
GRUB_USB_REQ_SET_DESCRIPTOR = 0x07,
GRUB_USB_REQ_GET_CONFIGURATION = 0x08,
GRUB_USB_REQ_SET_CONFIGURATION = 0x09,
GRUB_USB_REQ_GET_INTERFACE = 0x0A,
GRUB_USB_REQ_SET_INTERFACE = 0x0B,
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
enum
{
GRUB_USB_HUB_FEATURE_PORT_RESET = 0x04,
GRUB_USB_HUB_FEATURE_PORT_POWER = 0x08,
GRUB_USB_HUB_FEATURE_C_PORT_CONNECTED = 0x10,
GRUB_USB_HUB_FEATURE_C_PORT_ENABLED = 0x11,
GRUB_USB_HUB_FEATURE_C_PORT_SUSPEND = 0x12,
GRUB_USB_HUB_FEATURE_C_PORT_OVERCURRENT = 0x13,
GRUB_USB_HUB_FEATURE_C_PORT_RESET = 0x14
};
enum
{
GRUB_USB_HUB_STATUS_PORT_CONNECTED = (1 << 0),
GRUB_USB_HUB_STATUS_PORT_ENABLED = (1 << 1),
GRUB_USB_HUB_STATUS_PORT_SUSPEND = (1 << 2),
GRUB_USB_HUB_STATUS_PORT_OVERCURRENT = (1 << 3),
GRUB_USB_HUB_STATUS_PORT_POWERED = (1 << 8),
GRUB_USB_HUB_STATUS_PORT_LOWSPEED = (1 << 9),
GRUB_USB_HUB_STATUS_PORT_HIGHSPEED = (1 << 10),
GRUB_USB_HUB_STATUS_C_PORT_CONNECTED = (1 << 16),
GRUB_USB_HUB_STATUS_C_PORT_ENABLED = (1 << 17),
GRUB_USB_HUB_STATUS_C_PORT_SUSPEND = (1 << 18),
GRUB_USB_HUB_STATUS_C_PORT_OVERCURRENT = (1 << 19),
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 */