/* Copyright (c) 2012 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.
 *
 * Battery pack vendor provided charging profile
 */

#include "battery.h"
#include "battery_smart.h"
#include "console.h"
#include "gpio.h"
#include "host_command.h"
#include "util.h"

/* Shutdown mode parameter to write to manufacturer access register */
#define SB_SHUTDOWN_DATA	0x0010

static const struct battery_info info = {
	.voltage_max    = 8400,		/* mV */
	.voltage_normal = 7400,
	.voltage_min    = 6000,
	.precharge_current  = 256,	/* mA */
	.start_charging_min_c = 0,
	.start_charging_max_c = 45,
	.charging_min_c       = 0,
	.charging_max_c       = 45,
	.discharging_min_c    = 0,
	.discharging_max_c    = 60,
};

const struct battery_info *battery_get_info(void)
{
	return &info;
}

static int cutoff(void)
{
	int rv;

	/* Ship mode command must be sent twice to take effect */
	rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);

	if (rv != EC_SUCCESS)
		return rv;

	return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
}

static int battery_command_cut_off(struct host_cmd_handler_args *args)
{
	return cutoff() ? EC_RES_ERROR : EC_RES_SUCCESS;
}
DECLARE_HOST_COMMAND(EC_CMD_BATTERY_CUT_OFF, battery_command_cut_off,
		     EC_VER_MASK(0));

static int command_battcutoff(int argc, char **argv)
{
	return cutoff();
}
DECLARE_CONSOLE_COMMAND(battcutoff, command_battcutoff,
			NULL,
			"Enable battery cutoff (ship mode)",
			NULL);