| /* |
| * 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_HIGH_TEMP_LIMIT(x) (0x40 + ((x-1) * 2)) |
| #define ITE_EC_LOW_TEMP_LIMIT(x) (0x41 + ((x-1) * 2)) |
| |
| #define ITE_EC_ADC_VOLTAGE_CHANNEL_ENABLE 0x50 |
| #define ITE_EC_ADC_TEMP_CHANNEL_ENABLE 0x51 |
| #define ITE_EC_ADC_TEMP_EXT_REPORTS_TO_MASK (3 << 6) |
| #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 |
| |
| /* Matches length of ITE_EC_TMPIN_CNT */ |
| static const u8 ITE_EC_TEMP_ADJUST[] = { 0x56, 0x57, 0x59 }; |
| |
| #define ITE_EC_BEEP_ENABLE 0x5C |
| #define ITE_EC_TEMP_ADJUST_WRITE_ENABLE (1 << 7) |
| #define ITE_EC_ADC_CLOCK_1MHZ (6 << 4) |
| #define ITE_EC_ADC_CLOCK_2MHZ (7 << 4) |
| #define ITE_EC_ADC_CLOCK_24MHZ (5 << 4) |
| #define ITE_EC_ADC_CLOCK_31KHZ (4 << 4) |
| #define ITE_EC_ADC_CLOCK_62KHZ (3 << 4) |
| #define ITE_EC_ADC_CLOCK_125KHZ (2 << 4) |
| #define ITE_EC_ADC_CLOCK_250KHZ (1 << 4) |
| #define ITE_EC_ADC_CLOCK_500KHZ (0 << 4) |
| #define ITE_EC_BEEP_ON_TMP_LIMIT (1 << 2) |
| #define ITE_EC_BEEP_ON_VIN_LIMIT (1 << 1) |
| #define ITE_EC_BEEP_ON_FAN_LIMIT (1 << 0) |
| #define ITE_EC_BEEP_FREQ_DIV_OF_FAN 0x5D |
| #define ITE_EC_BEEP_FREQ_DIV_OF_VOLT 0x5E |
| #define ITE_EC_BEEP_FREQ_DIV_OF_TEMP 0x5F |
| |
| #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 */ |