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/* Copyright 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* USB HID HW definitions, to be used by class drivers.
*/
#ifndef __CROS_EC_USB_HID_HW_H
#define __CROS_EC_USB_HID_HW_H
#include <common.h>
struct usb_hid_config_t {
const uint8_t *report_desc;
int report_size;
const struct usb_hid_descriptor *hid_desc;
/*
* Handle USB HID Get_Report request, can be NULL if not supported.
*
* @param report_id: ID of the report being requested
* @param report_type: 0x1 (INPUT) / 0x2 (OUTPUT) / 0x3 (FEATURE)
* @param buffer_ptr: handler should set it to the pointer of buffer to
* return.
* @param buffer_size: handler should set it to the size of returned
* buffer.
*/
int (*get_report)(uint8_t report_id,
uint8_t report_type,
const uint8_t **buffer_ptr,
int *buffer_size);
};
/* internal callbacks for HID class drivers */
void hid_tx(int ep);
void hid_reset(int ep, usb_uint *hid_ep_tx_buf, int tx_len,
usb_uint *hid_ep_rx_buf, int rx_len);
int hid_iface_request(usb_uint *ep0_buf_rx, usb_uint *ep0_buf_tx,
const struct usb_hid_config_t *hid_config);
#endif
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