coreboot-kgpe-d16/src/mainboard/google/poppy/smihandler.c
Furquan Shaikh 3178bdc345 mainboard/google/poppy: Power down camera rails when suspending
BUG=b:62147763

Change-Id: Iba88fed972b847448e01fcfca8c7129d950244c2
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-05-31 19:55:23 +02:00

49 lines
1.2 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <cpu/x86/smm.h>
#include <ec/google/chromeec/smm.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <soc/smm.h>
#include <variant/gpio.h>
#include <variant/ec.h>
void mainboard_smi_espi_handler(void)
{
chromeec_smi_process_events();
}
static void mainboard_gpio_smi_sleep(void)
{
/* Hold camera device in reset and then power it down. */
gpio_set(EN_CAM_PMIC_RST_L, 0);
gpio_set(EN_PP3300_DX_CAM, 0);
}
void mainboard_smi_sleep(u8 slp_typ)
{
chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
MAINBOARD_EC_S5_WAKE_EVENTS);
mainboard_gpio_smi_sleep();
}
int mainboard_smi_apmc(u8 apmc)
{
chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS,
MAINBOARD_EC_SMI_EVENTS);
return 0;
}