65 lines
1.7 KiB
C
Executable File
65 lines
1.7 KiB
C
Executable File
#ifndef __UAPI_USB_CCID_BRIDGE_H
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#define __UAPI_USB_CCID_BRIDGE_H
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#include <linux/ioctl.h>
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/**
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* struct usb_ccid_data - Used to receive the CCID class descriptor,
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* clock rates and data rates supported by the device.
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* @length: The length of the buffer.
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* @data: The buffer as it is returned by the device for GET_DESCRIPTOR,
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* GET_CLOCK_FREQUENCIES and GET_DATA_RATES requests.
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*/
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struct usb_ccid_data {
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uint8_t length;
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void *data;
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};
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/**
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* struct usb_ccid_abort - Used to abort an already sent command.
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* @seq: The sequence number of the command.
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* @slot: The slot of the IC, on which the command is sent.
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*/
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struct usb_ccid_abort {
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uint8_t seq;
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uint8_t slot;
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};
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#define USB_CCID_NOTIFY_SLOT_CHANGE_EVENT 1
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#define USB_CCID_HARDWARE_ERROR_EVENT 2
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#define USB_CCID_RESUME_EVENT 3
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/**
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* struct usb_ccid_event - Used to receive notify slot change or hardware
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* error event.
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* @notify: If the event is USB_CCID_NOTIFY_SLOT_CHANGE_EVENT, slot_icc_state
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* has the information about the current slots state.
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* @error: If the event is USB_CCID_HARDWARE_ERROR_EVENT, error has
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* information about the hardware error condition.
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*/
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struct usb_ccid_event {
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uint8_t event;
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union {
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struct {
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uint8_t slot_icc_state;
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} notify;
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struct {
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uint8_t slot;
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uint8_t seq;
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uint8_t error_code;
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} error;
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} u;
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};
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#define USB_CCID_GET_CLASS_DESC _IOWR('C', 0, struct usb_ccid_data)
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#define USB_CCID_GET_CLOCK_FREQUENCIES _IOWR('C', 1, struct usb_ccid_data)
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#define USB_CCID_GET_DATA_RATES _IOWR('C', 2, struct usb_ccid_data)
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#define USB_CCID_ABORT _IOW('C', 3, struct usb_ccid_abort)
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#define USB_CCID_GET_EVENT _IOR('C', 4, struct usb_ccid_event)
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#endif /* __UAPI_USB_CCID_BRIDGE_H */
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