arch/arm/mach-meson/g12b/firmware/scp_task/suspend.c

/*
 * arch/arm/cpu/armv8/txl/firmware/scp_task/suspend.c
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#include "config.h"
#include "registers.h"
#include "task_apis.h"
#include "suspend.h"
unsigned int time;
#include <scp_remote.c>

#include <scp_adc.c>
#include <pwr_ctrl.c>
#include <hdmi_cec_arc.c>

static struct pwr_op pwr_op_d;
static struct pwr_op *p_pwr_op;

void suspend_pwr_ops_init(void)
{
	p_pwr_op = &pwr_op_d;
	pwr_op_init(p_pwr_op);
}

void suspend_get_wakeup_source(void *response, unsigned int suspend_from)
{
	if (!p_pwr_op->get_wakeup_source)
		return;
	p_pwr_op->get_wakeup_source(response, suspend_from);
}

/*
 *suspend_from defines who call this function.
 * 1: suspend
 * 0: power off
*/
void enter_suspend(unsigned int suspend_from)
{
	int exit_reason = UDEFINED_WAKEUP;
	#ifdef CONFIG_CEC_WAKEUP
		hdmi_cec_func_config = readl(P_AO_DEBUG_REG0) & 0xff;
		uart_puts(CEC_VERSION);
		uart_puts("\n");
		uart_puts("CEC cfg:0x");
		uart_put_hex(hdmi_cec_func_config, 16);
		uart_puts("\n");
	#endif
	if (p_pwr_op->power_off_at_24M)
		p_pwr_op->power_off_at_24M(suspend_from);

	exit_reason = p_pwr_op->detect_key(suspend_from);

	if (p_pwr_op->power_on_at_24M)
		p_pwr_op->power_on_at_24M(suspend_from);

	uart_puts("exit_reason:0x");
	uart_put_hex(exit_reason, 8);
	uart_puts("\n");
	set_wakeup_method(exit_reason);

}