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Diffstat (limited to '')
| -rw-r--r-- | include/grub/usbtrans.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/include/grub/usbtrans.h b/include/grub/usbtrans.h new file mode 100644 index 0000000..aef482c --- /dev/null +++ b/include/grub/usbtrans.h @@ -0,0 +1,155 @@ +/* + * 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; +} GRUB_PACKED; + + +#endif /* GRUB_USBTRANS_H */ |