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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
* Copyright (C) 2016 secunet Security Networks AG
*
* 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.
*/
#ifndef SUPERIO_ITE_ENV_CTRL_H
#define SUPERIO_ITE_ENV_CTRL_H
#include "env_ctrl_chip.h"
#if IS_ENABLED(CONFIG_SUPERIO_ITE_ENV_CTRL_8BIT_PWM)
#define ITE_EC_FAN_MAX_PWM 0xff
#define ITE_EC_FAN_PWM_DEFAULT_CLOCK ITE_EC_FAN_PWM_CLOCK_6MHZ
#else
#define ITE_EC_FAN_MAX_PWM 0x7f
#define ITE_EC_FAN_PWM_DEFAULT_CLOCK ITE_EC_FAN_PWM_CLOCK_3MHZ
#endif
#define ITE_EC_CONFIGURATION 0x00
#define ITE_EC_CONFIGURATION_START (1 << 0)
#define ITE_EC_INTERFACE_SELECT 0x0a
#define ITE_EC_INTERFACE_PSEUDO_EOC (1 << 7)
#define ITE_EC_INTERFACE_SMB_ENABLE (1 << 6)
#define ITE_EC_INTERFACE_SEL_DISABLE (0 << 4)
#define ITE_EC_INTERFACE_SEL_SST_SLAVE (1 << 4)
#define ITE_EC_INTERFACE_SEL_PECI (2 << 4)
#define ITE_EC_INTERFACE_SEL_SST_HOST (3 << 4)
#define ITE_EC_INTERFACE_CLOCK_32MHZ (0 << 3)
#define ITE_EC_INTERFACE_CLOCK_24MHZ (1 << 3)
#define ITE_EC_INTERFACE_SPEED_TOLERANCE (1 << 2)
#define ITE_EC_INTERFACE_PECI_AWFCS (1 << 0)
#define ITE_EC_FAN_PWM_SMOOTHING_FREQ 0x0b
#define ITE_EC_FAN_PWM_SMOOTHING_MASK (3 << 6)
#define ITE_EC_FAN_PWM_SMOOTHING_1KHZ (0 << 6)
#define ITE_EC_FAN_PWM_SMOOTHING_256HZ (1 << 6)
#define ITE_EC_FAN_PWM_SMOOTHING_64HZ (2 << 6)
#define ITE_EC_FAN_PWM_SMOOTHING_16HZ (3 << 6)
#define ITE_EC_FAN_TAC_COUNTER_ENABLE 0x0c
#define ITE_EC_FAN_TAC_16BIT_ENABLE(x) (1 << ((x)-1))
#define ITE_EC_FAN_TAC_LIMIT(x) (0x10 + ((x)-1))
#define ITE_EC_FAN_TAC_EXT_LIMIT(x) (0x1b + ((x)-1))
#define ITE_EC_FAN_MAIN_CTL 0x13
#define ITE_EC_FAN_MAIN_CTL_TAC_EN(x) (1 << ((x)+3))
#define ITE_EC_FAN_MAIN_CTL_COLL_FULL_SPEED (1 << 3)
#define ITE_EC_FAN_MAIN_CTL_SMART(x) (1 << ((x)-1))
#define ITE_EC_FAN_CTL_MODE 0x14
#define ITE_EC_FAN_CTL_POLARITY_HIGH (1 << 7)
#define ITE_EC_FAN_PWM_CLOCK_MASK (7 << 4)
#define ITE_EC_FAN_PWM_CLOCK_48MHZ (0 << 4)
#define ITE_EC_FAN_PWM_CLOCK_24MHZ (1 << 4)
#define ITE_EC_FAN_PWM_CLOCK_12MHZ (2 << 4)
#define ITE_EC_FAN_PWM_CLOCK_8MHZ (3 << 4)
#define ITE_EC_FAN_PWM_CLOCK_6MHZ (4 << 4)
#define ITE_EC_FAN_PWM_CLOCK_3MHZ (5 << 4)
#define ITE_EC_FAN_PWM_CLOCK_1_5MHZ (6 << 4)
#define ITE_EC_FAN_PWM_CLOCK_51KHZ (7 << 4)
#define ITE_EC_FAN_PWM_MIN_DUTY_20 (1 << 3)
#define ITE_EC_FAN_CTL_ON(x) (1 << ((x)-1))
#define ITE_EC_FAN_CTL_PWM_CONTROL(x) (0x15 + ((x)-1))
#define ITE_EC_FAN_CTL_PWM_MODE_SOFTWARE (0 << 7)
#define ITE_EC_FAN_CTL_PWM_MODE_AUTOMATIC (1 << 7)
#define ITE_EC_FAN_CTL_PWM_DUTY_MASK (ITE_EC_FAN_MAX_PWM << 0)
#define ITE_EC_FAN_CTL_PWM_DUTY(p) \
({ \
const unsigned int _p = p; \
(_p >= 100) \
? ITE_EC_FAN_MAX_PWM \
: (_p * ITE_EC_FAN_MAX_PWM) / 100; \
})
#define ITE_EC_FAN_CTL_TEMPIN_MASK (3 << 0)
#define ITE_EC_FAN_CTL_TEMPIN(x) (((x)-1) & 3)
#define ITE_EC_ADC_VOLTAGE_CHANNEL_ENABLE 0x50
#define ITE_EC_ADC_TEMP_CHANNEL_ENABLE 0x51
#define ITE_EC_ADC_TEMP_EXT_REPORTS_TO(x) (((x) & 3) << 6)
#define ITE_EC_ADC_TEMP_RESISTOR_MODE(x) (1 << ((x)+2))
#define ITE_EC_ADC_TEMP_DIODE_MODE(x) (1 << ((x)-1))
#define ITE_EC_ADC_TEMP_EXTRA_CHANNEL_ENABLE 0x55
#define ITE_EC_FAN_CTL_TEMP_LIMIT_OFF(x) (0x60 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_TEMP_LIMIT_START(x) (0x61 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_TEMP_LIMIT_FULL(x) (0x62 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_PWM_START(x) (0x63 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_PWM_SLOPE_BIT6(s) (((s) & 0x40) << 1)
#define ITE_EC_FAN_CTL_PWM_START_DUTY(p) ITE_EC_FAN_CTL_PWM_DUTY(p)
#define ITE_EC_FAN_CTL_PWM_AUTO(x) (0x64 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_AUTO_SMOOTHING_EN (1 << 7)
#define ITE_EC_FAN_CTL_PWM_SLOPE_LOWER(s) ((s) & 0x3f)
#define ITE_EC_FAN_CTL_DELTA_TEMP(x) (0x65 + ((x)-1) * 8)
#define ITE_EC_FAN_CTL_DELTA_TEMP_INTRVL(c) ((c) & 0x1f)
#define ITE_EC_EXTEMP_STATUS 0x88
#define ITE_EC_EXTEMP_STATUS_HOST_BUSY (1 << 0)
#define ITE_EC_EXTEMP_ADDRESS 0x89
#define ITE_EC_EXTEMP_WRITE_LENGTH 0x8a
#define ITE_EC_EXTEMP_READ_LENGTH 0x8b
#define ITE_EC_EXTEMP_COMMAND 0x8c
#define ITE_EC_EXTEMP_WRITE_DATA_2 0x8d
#define ITE_EC_EXTEMP_CONTROL 0x8e
#define ITE_EC_EXTEMP_CTRL_AUTO_32HZ (0 << 6)
#define ITE_EC_EXTEMP_CTRL_AUTO_16HZ (1 << 6)
#define ITE_EC_EXTEMP_CTRL_AUTO_8HZ (2 << 6)
#define ITE_EC_EXTEMP_CTRL_AUTO_4HZ (3 << 6)
#define ITE_EC_EXTEMP_CTRL_AUTO_START (1 << 5)
#define ITE_EC_EXTEMP_CTRL_AUTO_ABORT (1 << 4)
#define ITE_EC_EXTEMP_CTRL_AUTO_TWO_DOMAIN (1 << 3)
#define ITE_EC_EXTEMP_CTRL_CONTENTION (1 << 2)
#define ITE_EC_EXTEMP_CTRL_SST_IDLE_HIGH (1 << 1)
#define ITE_EC_EXTEMP_CTRL_START (1 << 0)
/* Standard PECI GetTemp */
#define PECI_CLIENT_ADDRESS 0x30
#define PECI_GETTEMP_COMMAND 0x01
#define PECI_GETTEMP_WRITE_LENGTH 0x01
#define PECI_GETTEMP_READ_LENGTH 0x02
void ite_ec_init(u16 base, const struct ite_ec_config *conf);
#endif /* SUPERIO_ITE_ENV_CTRL_H */
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