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798a50ca0e
BUG=chrome-os-partner:53729 BRANCH=None TEST=Manual on gru. Verify .rodata.evtsrcs section is non-empty in ec.RO.map. Verify that we're no longer spammed with HC 0x67 (due to constantly asserted interrupt). Change-Id: I57ad1ba7fbdd99dfab84341560aff094ce9bc5b6 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/347415 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* Copyright 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Event handling in MKBP keyboard protocol
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*/
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#ifndef __CROS_EC_MKBP_EVENT_H
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#define __CROS_EC_MKBP_EVENT_H
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/*
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* Sends an event to the AP.
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*
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* When this is called, the event data must be ready for query. Otherwise,
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* when the AP queries the event, an error is returned and the event is lost.
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*
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* @param event_type One of EC_MKBP_EVENT_*.
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*/
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void mkbp_send_event(uint8_t event_type);
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/*
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* The struct to store the event source definition. The get_data routine is
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* responsible for returning the event data when queried by the AP. The
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* parameter 'data' points to where the event data needs to be stored, and
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* the size of the event data should be returned.
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*/
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struct mkbp_event_source {
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uint8_t event_type;
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int (*get_data)(uint8_t *data);
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};
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#define DECLARE_EVENT_SOURCE(type, func) \
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const struct mkbp_event_source __keep __evt_src_##type \
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__attribute__((section(".rodata.evtsrcs"))) \
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= {type, func}
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#endif /* __CROS_EC_MKBP_EVENT_H */
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