mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2026-01-10 01:21:49 +00:00
6e157818c1
Currently if an interrupt is pending before it is enabled the interrupt will fire immediately. In most cases this is fine, but if we want to use the interrupt to trigger something like waking the AP it should be sure that it won't immediately fire once enabled. For example: on the Eve board we have the trackpad interrupt run to the AP and the EC in order to support wake from Deep S3 (magic AP state that only the EC can wake it from). This interrupt is used in S0 by the AP while ignored by the EC, and then enabled on the transition to S3 in order to be able to wake. Since it has been active the interrupt may be pending in the EC (depending on the chip), which can result in the interrupt firing immediately and waking the AP. BUG=chrome-os-partner:62224 BRANCH=none TEST=This has been functionally tested on npcx only as that is what I have a use case and system for, the others compile and look right but have not been directly tested. Change-Id: I9e0877d99e7f09f4c30bf9861fbad81c12c059ad Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://chromium-review.googlesource.com/446962 Reviewed-by: Randall Spangler <rspangler@chromium.org>
28 lines
811 B
C
28 lines
811 B
C
/* Copyright 2015 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.
|
|
*/
|
|
|
|
/* INTC control module for IT83xx. */
|
|
|
|
#ifndef __CROS_EC_INTC_H
|
|
#define __CROS_EC_INTC_H
|
|
|
|
int intc_get_ec_int(void);
|
|
void lpc_kbc_ibf_interrupt(void);
|
|
void lpc_kbc_obe_interrupt(void);
|
|
void pm1_ibf_interrupt(void);
|
|
void pm2_ibf_interrupt(void);
|
|
void pm3_ibf_interrupt(void);
|
|
void pm4_ibf_interrupt(void);
|
|
void pm5_ibf_interrupt(void);
|
|
void lpcrst_interrupt(enum gpio_signal signal);
|
|
void peci_interrupt(void);
|
|
void adc_interrupt(void);
|
|
void i2c_interrupt(int port);
|
|
void clock_sleep_mode_wakeup_isr(void);
|
|
int clock_ec_wake_from_sleep(void);
|
|
void __enter_hibernate(uint32_t seconds, uint32_t microseconds);
|
|
|
|
#endif /* __CROS_EC_INTC_H */
|