/*
 * Copyright (c) 2016 Toradex AG. 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 version 2 as
 * published by the Free Software Foundation.
 *
 * 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 <linux/sysedp.h>
#include <linux/platform_device.h>
#include <linux/platform_data/tegra_edp.h>
#include <linux/power_supply.h>
#include <mach/edp.h>
#include "board.h"
#include "board-panel.h"

/* --- EDP consumers data --- */
/* TODO static unsigned int ov5693_states[] = { 0, 300 };*/
static unsigned int mt9m114_states[] = { 0, 150 };
static unsigned int sdhci_states[] = { 0, 966 };
static unsigned int speaker_states[] = { 0, 1080 };
static unsigned int wifi_states[] = { 0, 3070 };

/* 10 inch panel */
static unsigned int pwm_backlight_states[] = {
	0, 425, 851, 1276, 1702, 2127, 2553, 2978, 3404, 3829, 4255
};

/* TODO
static unsigned int as364x_states[] = {
	0, 350, 700, 1050, 1400, 1750, 2100, 2450, 2800, 3150, 3500
};
*/

static struct sysedp_consumer_data apalis_tk1_sysedp_consumer_data[] = {
	/* TODO SYSEDP_CONSUMER_DATA("ov5693", ov5693_states), */
	SYSEDP_CONSUMER_DATA("mt9m114", mt9m114_states),
	SYSEDP_CONSUMER_DATA("speaker", speaker_states),
	SYSEDP_CONSUMER_DATA("wifi", wifi_states),
	SYSEDP_CONSUMER_DATA("pwm-backlight", pwm_backlight_states),
	SYSEDP_CONSUMER_DATA("sdhci-tegra.2", sdhci_states),
	SYSEDP_CONSUMER_DATA("sdhci-tegra.3", sdhci_states),
	/* TODO SYSEDP_CONSUMER_DATA("as364x", as364x_states), */
};

static struct sysedp_platform_data apalis_tk1_sysedp_platform_data = {
	.consumer_data = apalis_tk1_sysedp_consumer_data,
	.consumer_data_size = ARRAY_SIZE(apalis_tk1_sysedp_consumer_data),
	.margin = 0,
};

static struct platform_device apalis_tk1_sysedp_device = {
	.name = "sysedp",
	.id = -1,
	.dev = {.platform_data = &apalis_tk1_sysedp_platform_data}
};

void __init apalis_tk1_new_sysedp_init(void)
{
	int r;

	r = platform_device_register(&apalis_tk1_sysedp_device);
	WARN_ON(r);
}

/* --- Battery monitor data --- */
static struct sysedp_batmon_ibat_lut apalis_tk1_ibat_lut[] = {
/*-- temp in deci-C, current in milli ampere --*/
	{600, 9750},
	{-300, 9750}
};

/* Values for Leyden HY-LDN-N-TD battery */
/*                           45C      23C     10C      5C      0C    -20 */
static int rbat_data[] = {
	100000, 120000, 140000, 170000, 190000, 210000,	/* 100% */
	100000, 120000, 150000, 170000, 190000, 210000,	/*  55% */
	100000, 130000, 150000, 170000, 200000, 210000,	/*  50% */
	110000, 130000, 160000, 170000, 200000, 210000,	/*  10% */
	120000, 140000, 170000, 180000, 210000, 220000,	/*   0% */
};
static int rbat_temp_axis[] = { 45, 23, 10, 5, 0, -20 };
static int rbat_capacity_axis[] = { 100, 55, 50, 10, 0 };

struct sysedp_batmon_rbat_lut apalis_tk1_rbat_lut = {
	.temp_axis = rbat_temp_axis,
	.temp_size = ARRAY_SIZE(rbat_temp_axis),
	.capacity_axis = rbat_capacity_axis,
	.capacity_size = ARRAY_SIZE(rbat_capacity_axis),
	.data = rbat_data,
	.data_size = ARRAY_SIZE(rbat_data),
};

/* Fuel Gauge is BQ20z45 (SBS battery) */
static struct sysedp_batmon_ocv_lut apalis_tk1_ocv_lut[] = {
	/*SOC, OCV in micro volt */
	{100,	8372010},
	{95,	8163880},
	{90,	8069280},
	{85,	7970700},
	{80,	7894100},
	{75,	7820860},
	{70,	7751890},
	{65,	7691770},
	{60,	7641110},
	{55,	7598990},
	{50,	7564200},
	{45,	7534290},
	{40,	7511410},
	{35,	7491870},
	{30,	7468380},
	{25,	7435720},
	{20,	7388720},
	{15,	7338370},
	{10,	7219650},
	{0,	5999850},
};

static struct sysedp_batmon_calc_platform_data apalis_tk1_batmon_pdata = {
	.power_supply = "sbs-battery",
	.r_const = 70000,	/* in micro ohm */
	.vsys_min = 5880000,	/* in micro volt */
	.ibat_lut = apalis_tk1_ibat_lut,
	.rbat_lut = &apalis_tk1_rbat_lut,
	.ocv_lut = apalis_tk1_ocv_lut,
};

static struct platform_device apalis_tk1_batmon_device = {
	.name = "sysedp_batmon_calc",
	.id = -1,
	.dev = {.platform_data = &apalis_tk1_batmon_pdata}
};

void __init apalis_tk1_sysedp_batmon_init(void)
{
	int r;

	if (get_power_supply_type() != POWER_SUPPLY_TYPE_BATTERY) {
		/* modify platform data on-the-fly to enable virtual battery */
		apalis_tk1_batmon_pdata.power_supply = "test_battery";
		apalis_tk1_batmon_pdata.update_interval = 2000;
	}

	r = platform_device_register(&apalis_tk1_batmon_device);
	WARN_ON(r);
}

static struct tegra_sysedp_platform_data
		apalis_tk1_sysedp_dynamic_capping_platdata = {
	.core_gain = 100,
	.init_req_watts = 20000,
};

static struct platform_device apalis_tk1_sysedp_dynamic_capping = {
	.name = "sysedp_dynamic_capping",
	.id = -1,
	.dev = {.platform_data = &apalis_tk1_sysedp_dynamic_capping_platdata}
};

void __init apalis_tk1_sysedp_dynamic_capping_init(void)
{
	int r;
	struct tegra_sysedp_corecap *corecap;
	unsigned int corecap_size;

	corecap = tegra_get_sysedp_corecap(&corecap_size);
	if (!corecap) {
		WARN_ON(1);
		return;
	}
	apalis_tk1_sysedp_dynamic_capping_platdata.corecap = corecap;
	apalis_tk1_sysedp_dynamic_capping_platdata.corecap_size = corecap_size;

	apalis_tk1_sysedp_dynamic_capping_platdata.cpufreq_lim =
			tegra_get_system_edp_entries
		(&apalis_tk1_sysedp_dynamic_capping_platdata.cpufreq_lim_size);
	if (!apalis_tk1_sysedp_dynamic_capping_platdata.cpufreq_lim) {
		WARN_ON(1);
		return;
	}

	r = platform_device_register(&apalis_tk1_sysedp_dynamic_capping);
	WARN_ON(r);
}