/*
 * Regulators driver for allwinnertech AXP81X
 *
 * Copyright (C) 2014 allwinnertech Ltd.
 *
 * 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.
 */
#include "../axp-regu.h"
#include "axp81x-regu.h"

/* Reverse engineered partly from Platformx drivers */
enum axp_regls{
	axp81x_vcc_dcdc1,
	axp81x_vcc_dcdc2,
	axp81x_vcc_dcdc3,
	axp81x_vcc_dcdc4,
	axp81x_vcc_dcdc5,
	axp81x_vcc_dcdc6,
	axp81x_vcc_dcdc7,

	axp81x_vcc_ldo1,
	axp81x_vcc_ldo2,
	axp81x_vcc_ldo3,
	axp81x_vcc_ldo4,
	axp81x_vcc_ldo5,
	axp81x_vcc_ldo6,
	axp81x_vcc_ldo7,
	axp81x_vcc_ldo8,
	axp81x_vcc_ldo9,
	axp81x_vcc_ldo10,
	axp81x_vcc_ldo11,
	axp81x_vcc_ldo12,
	axp81x_vcc_ldo13,
	axp81x_vcc_ldoio0,
	axp81x_vcc_ldoio1,
	axp81x_vcc_dc1sw,
};

#define AXP81X_LDO(_id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit) \
	 AXP_LDO(AXP81X, _id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit)

#define AXP81X_DCDC(_id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit) \
	 AXP_DCDC(AXP81X, _id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit)

#define AXP81X_SW(_id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit) \
	AXP_SW(AXP81X, _id, min, max, step1, vreg, shift, nbits, ereg, ebit, switch_vol, step2, new_level, mode_addr, freq_addr, dvm_ereg, dvm_ebit)

static struct axp_regulator_info axp81x_regulator_info[] = {
	AXP81X_DCDC(1,   1600,   3400,   100,    DCDC1,  0,  5,  DCDC1EN, 0, 0, 0, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, 0, 0),
	AXP81X_DCDC(2,   500,    1300,   10,     DCDC2,  0,  7,  DCDC2EN, 1, 1200, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 2),
	AXP81X_DCDC(3,   500,    1300,   10,     DCDC3,  0,  7,  DCDC3EN, 2, 1200, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 3),
	AXP81X_DCDC(4,   500,    1300,   10,     DCDC4,  0,  7,  DCDC4EN, 3, 1200, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 4),
	AXP81X_DCDC(5,   800,    1840,   10,     DCDC5,  0,  7,  DCDC5EN, 4, 1120, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 5),
	AXP81X_DCDC(6,   600,    1520,   10,     DCDC6,  0,  7,  DCDC4EN, 5, 1100, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 6),
	AXP81X_DCDC(7,   600,    1520,   10,     DCDC7,  0,  7,  DCDC5EN, 6, 1100, 20, 0, AXP81X_DCDC_MODESET, AXP81X_DCDC_FREQSET, AXP81X_DC_DVM_EN, 7),
	AXP81X_LDO(1,    3000,   3000,   0,  LDO1,   0,  0,  LDO1EN, 5, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(2,    700,    3300,   100,    LDO2,   0,  5,  LDO2EN, 5, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(3,    700,    3300,   100,    LDO3,   0,  5,  LDO3EN, 6, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(4,    700,    3300,   100,    LDO4,   0,  5,  LDO4EN, 7, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(5,    700,    3300,   100,    LDO5,   0,  5,  LDO5EN, 3, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(6,    700,    4200,   100,    LDO6,   0,  5,  LDO6EN, 4, 3400, 200, 0, 0, 0, 0, 0),
	AXP81X_LDO(7,    700,    3300,   100,    LDO7,   0,  5,  LDO7EN, 5, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(8,    700,    3300,   100,    LDO8,   0,  5,  LDO8EN, 6, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(9,    700,    1900,   50,     LDO9,   0,  5,  LDO9EN, 0, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(10,   700,    1900,   50,     LDO10,  0,  5,  LDO10EN, 1, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(11,   700,    1900,   50,     LDO11,  0,  5,  LDO11EN, 2, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(12,   700,    1450,   50,     LDO12,  0,  4,  LDO12EN, 2, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(13,   700,    1450,   50,     LDO13,  0,  4,  LDO13EN, 3, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(IO0,  700,    3300,   100,    LDOIO0, 0,  5,  LDOIO0EN, 0, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_LDO(IO1,  700,    3300,   100,    LDOIO1, 0,  5,  LDOIO1EN, 0, 0, 0, 0, 0, 0, 0, 0),
	AXP81X_SW(0,    1600,   3400,   100,     DC1SW, 0,  0,   DC1SWEN, 7, 0, 0, 0, 0, 0, 0, 0),
};

static struct axp_reg_init axp_regl_init_data[] = {
	[axp81x_vcc_dcdc1] = {
		{
			.constraints = {
				.name = "axp81x_dcdc1",
				.min_uV = 1600000,
				.max_uV = 3400000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc1],
	},
	[axp81x_vcc_dcdc2] = {
		{
			.constraints = {
				.name = "axp81x_dcdc2",
				.min_uV = 500000,
				.max_uV = 1300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc2],
	},
	[axp81x_vcc_dcdc3] = {
		{
			.constraints = {
				.name = "axp81x_dcdc3",
				.min_uV = 500000,
				.max_uV = 1300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc3],
	},
	[axp81x_vcc_dcdc4] = {
		{
			.constraints = {
				.name = "axp81x_dcdc4",
				.min_uV = 500000,
				.max_uV = 1300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc4],
	},
	[axp81x_vcc_dcdc5] = {
		{
			.constraints = {
				.name = "axp81x_dcdc5",
				.min_uV = 800000,
				.max_uV = 1840000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc5],
	},
	[axp81x_vcc_dcdc6] = {
		{
			.constraints = {
				.name = "axp81x_dcdc6",
				.min_uV = 600000,
				.max_uV = 1520000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc6],
	},
	[axp81x_vcc_dcdc7] = {
		{
			.constraints = {
				.name = "axp81x_dcdc7",
				.min_uV = 600000,
				.max_uV = 1520000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dcdc7],
	},
	[axp81x_vcc_ldo1] = {
		{
			.constraints = {
				.name = "axp81x_rtc",
				.min_uV =  3000 * 1000,
				.max_uV =  3000 * 1000,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo1],
	},
	[axp81x_vcc_ldo2] = {
		{
			.constraints = {
				.name = "axp81x_aldo1",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo2],
	},
	[axp81x_vcc_ldo3] = {
		{
			.constraints = {
				.name = "axp81x_aldo2",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo3],
	},
	[axp81x_vcc_ldo4] = {
		{
			.constraints = {
				.name = "axp81x_aldo3",
				.min_uV =  700000,
				.max_uV =  3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo4],
	},
	[axp81x_vcc_ldo5] = {
		{
			.constraints = {
				.name = "axp81x_dldo1",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo5],
	},
	[axp81x_vcc_ldo6] = {
		{
			.constraints = {
				.name = "axp81x_dldo2",
				.min_uV = 700000,
				.max_uV = 4200000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo6],
	},
	[axp81x_vcc_ldo7] = {
		{
			.constraints = {
				.name = "axp81x_dldo3",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo7],
	},
	[axp81x_vcc_ldo8] = {
		{
			.constraints = {
				.name = "axp81x_dldo4",
				.min_uV =  700000,
				.max_uV =  3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo8],
	},
	[axp81x_vcc_ldo9] = {
		{
			.constraints = {
				.name = "axp81x_eldo1",
				.min_uV = 700000,
				.max_uV = 1900000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo9],
	},
	[axp81x_vcc_ldo10] = {
		{
			.constraints = {
				.name = "axp81x_eldo2",
				.min_uV = 700000,
				.max_uV = 1900000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo10],
	},
	[axp81x_vcc_ldo11] = {
		{
			.constraints = {
				.name = "axp81x_eldo3",
				.min_uV = 700000,
				.max_uV = 1900000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo11],
	},
	[axp81x_vcc_ldo12] = {
		{
			.constraints = {
				.name = "axp81x_fldo1",
				.min_uV = 700000,
				.max_uV = 1450000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo12],
	},
	[axp81x_vcc_ldo13] = {
		{
			.constraints = {
				.name = "axp81x_fldo2",
				.min_uV = 700000,
				.max_uV = 1450000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldo13],
	},
	[axp81x_vcc_ldoio0] = {
		{
			.constraints = {
				.name = "axp81x_gpio0ldo",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldoio0],
	},
	[axp81x_vcc_ldoio1] = {
		{
			.constraints = {
				.name = "axp81x_gpio1ldo",
				.min_uV = 700000,
				.max_uV = 3300000,
				.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_ldoio1],
	},
	[axp81x_vcc_dc1sw] = {
		{
			.supply_regulator = "axp81x_dcdc1",
			.constraints = {
				.name = "axp81x_dc1sw",
				.valid_ops_mask = REGULATOR_CHANGE_STATUS,
			},
		},
		.info = &axp81x_regulator_info[axp81x_vcc_dc1sw],
	},
};

static struct axp_funcdev_info axp_regldevs[] = {
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC1,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc1],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC2,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc2],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC3,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc3],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC4,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc4],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC5,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc5],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC6,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc6],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_DCDC7,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dcdc7],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO1,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo1],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO2,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo2],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO3,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo3],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO4,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo4],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO5,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo5],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO6,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo6],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO7,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo7],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO8,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo8],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO9,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo9],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO10,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo10],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO11,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo11],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO12,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo12],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDO13,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldo13],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDOIO0,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldoio0],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_LDOIO1,
		.platform_data = &axp_regl_init_data[axp81x_vcc_ldoio1],
	},
	{
		.name = "axp-regulator",
		.id = AXP81X_ID_SW0,
		.platform_data = &axp_regl_init_data[axp81x_vcc_dc1sw],
	},
};

struct axp_funcdev_info *axp81x_regu_init(void)
{
	s32 ret = 0;

	ret = axp_regu_device_tree_parse("pmu0_regu", (struct axp_reg_init *)(&axp_regl_init_data));

	if (0 != ret)
		return NULL;

	return axp_regldevs;
}

void axp81x_regu_exit(void)
{
	return;
}