blob: cad43444b555d672ca2736cd913be2f15aa702af (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* 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.
*
* Event handling in MKBP keyboard protocol
*/
#ifndef __CROS_EC_MKBP_EVENT_H
#define __CROS_EC_MKBP_EVENT_H
/*
* Sends an event to the AP.
*
* When this is called, the event data must be ready for query. Otherwise,
* when the AP queries the event, an error is returned and the event is lost.
*
* @param event_type One of EC_MKBP_EVENT_*.
* @return True if event succeeded to generate host interrupt.
*/
int mkbp_send_event(uint8_t event_type);
/*
* The struct to store the event source definition. The get_data routine is
* responsible for returning the event data when queried by the AP. The
* parameter 'data' points to where the event data needs to be stored, and
* the size of the event data should be returned.
*/
struct mkbp_event_source {
uint8_t event_type;
int (*get_data)(uint8_t *data);
};
#define DECLARE_EVENT_SOURCE(type, func) \
const struct mkbp_event_source __keep __evt_src_##type \
__attribute__((section(".rodata.evtsrcs"))) \
= {type, func}
#endif /* __CROS_EC_MKBP_EVENT_H */
|
