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|
/* Copyright 2020 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.
*/
#include "adc.h"
#include "adc_chip.h"
#include "button.h"
#include "cbi_ssfc.h"
#include "charge_state_v2.h"
#include "cros_board_info.h"
#include "driver/accelgyro_bmi_common.h"
#include "driver/accelgyro_icm_common.h"
#include "driver/accelgyro_icm426xx.h"
#include "driver/accel_kionix.h"
#include "driver/accel_kx022.h"
#include "driver/ppc/aoz1380.h"
#include "driver/ppc/nx20p348x.h"
#include "driver/retimer/pi3hdx1204.h"
#include "driver/retimer/tusb544.h"
#include "driver/temp_sensor/sb_tsi.h"
#include "driver/usb_mux/amd_fp5.h"
#include "driver/usb_mux/ps8743.h"
#include "extpower.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "temp_sensor/thermistor.h"
#include "temp_sensor.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usbc_ppc.h"
#include "gpio_list.h"
static int board_ver;
/*
* We have total 30 pins for keyboard connecter {-1, -1} mean
* the N/A pin that don't consider it and reserve index 0 area
* that we don't have pin 0.
*/
const int keyboard_factory_scan_pins[][2] = {
{-1, -1}, {0, 5}, {1, 1}, {1, 0}, {0, 6},
{0, 7}, {-1, -1}, {-1, -1}, {1, 4}, {1, 3},
{-1, -1}, {1, 6}, {1, 7}, {3, 1}, {2, 0},
{1, 5}, {2, 6}, {2, 7}, {2, 1}, {2, 4},
{2, 5}, {1, 2}, {2, 3}, {2, 2}, {3, 0},
{-1, -1}, {0, 4}, {-1, -1}, {8, 2}, {-1, -1},
{-1, -1},
};
const int keyboard_factory_scan_pins_used =
ARRAY_SIZE(keyboard_factory_scan_pins);
/* Motion sensors */
static struct mutex g_lid_mutex;
static struct mutex g_base_mutex;
/* sensor private data */
static struct kionix_accel_data g_kx022_data;
static struct bmi_drv_data_t g_bmi160_data;
static struct icm_drv_data_t g_icm426xx_data;
/* Matrix to rotate accelrator into standard reference frame */
const mat33_fp_t base_standard_ref = {
{ 0, FLOAT_TO_FP(-1), 0},
{ FLOAT_TO_FP(-1), 0, 0},
{ 0, 0, FLOAT_TO_FP(-1)}
};
const mat33_fp_t base_standard_ref_1 = {
{ FLOAT_TO_FP(1), 0, 0},
{ 0, FLOAT_TO_FP(-1), 0},
{ 0, 0, FLOAT_TO_FP(-1)}
};
const mat33_fp_t lid_standard_ref = {
{ FLOAT_TO_FP(-1), 0, 0},
{ 0, FLOAT_TO_FP(-1), 0},
{ 0, 0, FLOAT_TO_FP(1)}
};
/* TODO(gcc >= 5.0) Remove the casts to const pointer at rot_standard_ref */
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_KX022,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_LID,
.drv = &kionix_accel_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_kx022_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = KX022_ADDR1_FLAGS,
.rot_standard_ref = &lid_standard_ref,
.default_range = 2, /* g, enough for laptop. */
.min_frequency = KX022_ACCEL_MIN_FREQ,
.max_frequency = KX022_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100,
},
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[BASE_ACCEL] = {
.name = "Base Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_BMI160,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_BASE,
.drv = &bmi160_drv,
.mutex = &g_base_mutex,
.drv_data = &g_bmi160_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs.*/
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_ACCEL_MIN_FREQ,
.max_frequency = BMI_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100,
},
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[BASE_GYRO] = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_BMI160,
.type = MOTIONSENSE_TYPE_GYRO,
.location = MOTIONSENSE_LOC_BASE,
.drv = &bmi160_drv,
.mutex = &g_base_mutex,
.drv_data = &g_bmi160_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 1000, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_GYRO_MIN_FREQ,
.max_frequency = BMI_GYRO_MAX_FREQ,
},
};
unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
struct motion_sensor_t icm426xx_base_accel = {
.name = "Base Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_ICM426XX,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_BASE,
.drv = &icm426xx_drv,
.mutex = &g_base_mutex,
.drv_data = &g_icm426xx_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS,
.default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs.*/
.rot_standard_ref = &base_standard_ref_1,
.min_frequency = ICM426XX_ACCEL_MIN_FREQ,
.max_frequency = ICM426XX_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100,
},
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
};
struct motion_sensor_t icm426xx_base_gyro = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_ICM426XX,
.type = MOTIONSENSE_TYPE_GYRO,
.location = MOTIONSENSE_LOC_BASE,
.drv = &icm426xx_drv,
.mutex = &g_base_mutex,
.drv_data = &g_icm426xx_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS,
.default_range = 1000, /* dps */
.rot_standard_ref = &base_standard_ref_1,
.min_frequency = ICM426XX_GYRO_MIN_FREQ,
.max_frequency = ICM426XX_GYRO_MAX_FREQ,
};
const struct power_signal_info power_signal_list[] = {
[X86_SLP_S3_N] = {
.gpio = GPIO_PCH_SLP_S3_L,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "SLP_S3_DEASSERTED",
},
[X86_SLP_S5_N] = {
.gpio = GPIO_PCH_SLP_S5_L,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "SLP_S5_DEASSERTED",
},
[X86_S0_PGOOD] = {
.gpio = GPIO_S0_PGOOD,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "S0_PGOOD",
},
[X86_S5_PGOOD] = {
.gpio = GPIO_S5_PGOOD,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "S5_PGOOD",
},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = {
.channel = 3,
.flags = PWM_CONFIG_DSLEEP,
.freq = 100,
},
[PWM_CH_FAN] = {
.channel = 2,
.flags = PWM_CONFIG_OPEN_DRAIN,
.freq = 25000,
},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* MFT channels. These are logically separate from pwm_channels. */
const struct mft_t mft_channels[] = {
[MFT_CH_0] = {
.module = NPCX_MFT_MODULE_1,
.clk_src = TCKC_LFCLK,
.pwm_id = PWM_CH_FAN,
},
};
BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
const int usb_port_enable[USBA_PORT_COUNT] = {
IOEX_EN_USB_A0_5V,
IOEX_EN_USB_A1_5V_DB,
};
const struct pi3hdx1204_tuning pi3hdx1204_tuning = {
.eq_ch0_ch1_offset = PI3HDX1204_EQ_DB710,
.eq_ch2_ch3_offset = PI3HDX1204_EQ_DB710,
.vod_offset = PI3HDX1204_VOD_130_ALL_CHANNELS,
.de_offset = PI3HDX1204_DE_DB_MINUS5,
};
/*
* USB C0 port SBU mux use standalone FSUSB42UMX
* chip and it need a board specific driver.
* Overall, it will use chained mux framework.
*/
static int fsusb42umx_set_mux(const struct usb_mux *me, mux_state_t mux_state,
bool *ack_required)
{
/* This driver does not use host command ACKs */
*ack_required = false;
if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 1);
else
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 0);
return EC_SUCCESS;
}
/*
* .init is not necessary here because it has nothing
* to do. Primary mux will handle mux state so .get is
* not needed as well. usb_mux.c can handle the situation
* properly.
*/
const struct usb_mux_driver usbc0_sbu_mux_driver = {
.set = fsusb42umx_set_mux,
};
/*
* Since FSUSB42UMX is not a i2c device, .i2c_port and
* .i2c_addr_flags are not required here.
*/
const struct usb_mux usbc0_sbu_mux = {
.usb_port = USBC_PORT_C0,
.driver = &usbc0_sbu_mux_driver,
};
/*****************************************************************************
* Base Gyro Sensor dynamic configuration
*/
static int base_gyro_config;
static void setup_base_gyro_config(void)
{
base_gyro_config = ec_config_has_base_gyro_sensor();
if (base_gyro_config == BASE_GYRO_ICM426XX) {
motion_sensors[BASE_ACCEL] = icm426xx_base_accel;
motion_sensors[BASE_GYRO] = icm426xx_base_gyro;
ccprints("BASE GYRO is ICM426XX");
} else if (base_gyro_config == BASE_GYRO_BMI160)
ccprints("BASE GYRO is BMI160");
}
void motion_interrupt(enum gpio_signal signal)
{
switch (base_gyro_config) {
case BASE_GYRO_ICM426XX:
icm426xx_interrupt(signal);
break;
case BASE_GYRO_BMI160:
default:
bmi160_interrupt(signal);
break;
}
}
/*****************************************************************************
* USB-C MUX/Retimer dynamic configuration
*/
int board_usbc1_retimer_inhpd = IOEX_USB_C1_HPD_IN_DB;
static void setup_mux(void)
{
enum ec_ssfc_c1_mux mux = get_cbi_ssfc_c1_mux();
if (mux == SSFC_C1_MUX_NONE && ec_config_has_usbc1_retimer_tusb544())
mux = SSFC_C1_MUX_TUSB544;
if (mux == SSFC_C1_MUX_PS8818) {
ccprints("C1 PS8818 detected");
/*
* Main MUX is FP5, secondary MUX is PS8818
*
* Replace usb_muxes[USBC_PORT_C1] with the AMD FP5
* table entry.
*/
memcpy(&usb_muxes[USBC_PORT_C1],
&usbc1_amd_fp5_usb_mux,
sizeof(struct usb_mux));
/* Set the PS8818 as the secondary MUX */
usb_muxes[USBC_PORT_C1].next_mux = &usbc1_ps8818;
} else if (mux == SSFC_C1_MUX_TUSB544) {
ccprints("C1 TUSB544 detected");
/*
* Main MUX is FP5, secondary MUX is TUSB544
*
* Replace usb_muxes[USBC_PORT_C1] with the AMD FP5
* table entry.
*/
memcpy(&usb_muxes[USBC_PORT_C1],
&usbc1_amd_fp5_usb_mux,
sizeof(struct usb_mux));
/* Set the TUSB544 as the secondary MUX */
usb_muxes[USBC_PORT_C1].next_mux = &usbc1_tusb544;
} else if (ec_config_has_usbc1_retimer_ps8743()) {
ccprints("C1 PS8743 detected");
/*
* Main MUX is PS8743, secondary MUX is modified FP5
*
* Replace usb_muxes[USBC_PORT_C1] with the PS8743
* table entry.
*/
memcpy(&usb_muxes[USBC_PORT_C1],
&usbc1_ps8743,
sizeof(struct usb_mux));
/* Set the AMD FP5 as the secondary MUX */
usb_muxes[USBC_PORT_C1].next_mux = &usbc1_amd_fp5_usb_mux;
/* Don't have the AMD FP5 flip */
usbc1_amd_fp5_usb_mux.flags = USB_MUX_FLAG_SET_WITHOUT_FLIP;
}
}
struct usb_mux usb_muxes[] = {
[USBC_PORT_C0] = {
.usb_port = USBC_PORT_C0,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
.next_mux = &usbc0_sbu_mux,
},
[USBC_PORT_C1] = {
/* Filled in dynamically at startup */
},
};
BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
static int board_tusb544_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return EC_SUCCESS;
}
static int board_ps8743_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_DP_ENABLED)
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
else
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
return EC_SUCCESS;
}
const struct usb_mux usbc1_tusb544 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = TUSB544_I2C_ADDR_FLAGS1,
.driver = &tusb544_drv,
.board_set = &board_tusb544_mux_set,
};
const struct usb_mux usbc1_ps8743 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8743_I2C_ADDR1_FLAG,
.driver = &ps8743_usb_mux_driver,
.board_set = &board_ps8743_mux_set,
};
/*****************************************************************************
* PPC
*/
static int ppc_id;
static void setup_c1_ppc_config(void)
{
/*
* Read USB_C1_POWER_SWITCH_ID to choose DB ppc chip
* 0: NX20P3483UK
* 1: AOZ1380DI
*/
ioex_get_level(IOEX_USB_C1_POWER_SWITCH_ID, &ppc_id);
ccprints("C1: PPC is %s", ppc_id ? "AOZ1380DI" : "NX20P3483UK");
if (ppc_id) {
ppc_chips[USBC_PORT_C1].drv = &aoz1380_drv;
ioex_set_flags(IOEX_USB_C1_PPC_ILIM_3A_EN, GPIO_OUT_LOW);
}
}
__override void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_PPC_FAULT_ODL:
aoz1380_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
if (ppc_id)
aoz1380_interrupt(USBC_PORT_C1);
else
nx20p348x_interrupt(USBC_PORT_C1);
break;
default:
break;
}
}
__override int board_aoz1380_set_vbus_source_current_limit(int port,
enum tcpc_rp_value rp)
{
int rv;
/* Use the TCPC to set the current limit */
rv = ioex_set_level(port ? IOEX_USB_C1_PPC_ILIM_3A_EN
: IOEX_USB_C0_PPC_ILIM_3A_EN,
(rp == TYPEC_RP_3A0) ? 1 : 0);
return rv;
}
/*****************************************************************************
* Use FW_CONFIG to set correct configuration.
*/
static void setup_v0_charger(void)
{
int rv;
rv = cbi_get_board_version(&board_ver);
if (rv) {
ccprints("Fail to get board_ver");
/* Default for v3 */
board_ver = 3;
}
if (board_ver == 1)
chg_chips[0].i2c_port = I2C_PORT_CHARGER_V0;
}
/*
* Use HOOK_PRIO_INIT_I2C so we re-map before charger_chips_init()
* talks to the charger.
*/
DECLARE_HOOK(HOOK_INIT, setup_v0_charger, HOOK_PRIO_INIT_I2C);
static void setup_fw_config(void)
{
/* Enable Gyro interrupts */
gpio_enable_interrupt(GPIO_6AXIS_INT_L);
setup_mux();
if (board_ver >= 3)
setup_c1_ppc_config();
if (ec_config_has_hdmi_conn_hpd()) {
if (board_ver < 3)
ioex_enable_interrupt(IOEX_HDMI_CONN_HPD_3V3_DB);
else
gpio_enable_interrupt(GPIO_DP1_HPD_EC_IN);
}
setup_base_gyro_config();
}
/* Use HOOK_PRIO_INIT_I2C + 2 to be after ioex_init(). */
DECLARE_HOOK(HOOK_INIT, setup_fw_config, HOOK_PRIO_INIT_I2C + 2);
static int check_hdmi_hpd_status(void)
{
int hpd = 0;
if (board_ver < 3)
ioex_get_level(IOEX_HDMI_CONN_HPD_3V3_DB, &hpd);
else
hpd = gpio_get_level(GPIO_DP1_HPD_EC_IN);
return hpd;
}
static void hdmi_hpd_handler(void)
{
/* Pass HPD through from DB OPT1 HDMI connector to AP's DP1. */
int hpd = check_hdmi_hpd_status();
gpio_set_level(GPIO_DP1_HPD, hpd);
ccprints("HDMI HPD %d", hpd);
pi3hdx1204_enable(I2C_PORT_TCPC1,
PI3HDX1204_I2C_ADDR_FLAGS,
chipset_in_or_transitioning_to_state(CHIPSET_STATE_ON)
&& hpd);
}
DECLARE_DEFERRED(hdmi_hpd_handler);
void hdmi_hpd_interrupt(enum gpio_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC));
}
void hdmi_hpd_interrupt_v2(enum ioex_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC));
}
/*****************************************************************************
* Board suspend / resume
*/
static void board_chipset_resume(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 1);
ioex_set_level(IOEX_HDMI_DATA_EN_DB, 1);
if (ec_config_has_hdmi_retimer_pi3hdx1204()) {
ioex_set_level(IOEX_HDMI_POWER_EN_DB, 1);
msleep(PI3HDX1204_POWER_ON_DELAY_MS);
pi3hdx1204_enable(I2C_PORT_TCPC1,
PI3HDX1204_I2C_ADDR_FLAGS,
check_hdmi_hpd_status());
}
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
static void board_chipset_suspend(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 0);
if (ec_config_has_hdmi_retimer_pi3hdx1204()) {
pi3hdx1204_enable(I2C_PORT_TCPC1,
PI3HDX1204_I2C_ADDR_FLAGS,
0);
ioex_set_level(IOEX_HDMI_POWER_EN_DB, 0);
}
ioex_set_level(IOEX_HDMI_DATA_EN_DB, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
/*****************************************************************************
* Fan
*/
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_conf fan_conf_0 = {
.flags = FAN_USE_RPM_MODE,
.ch = MFT_CH_0, /* Use MFT id to control fan */
.pgood_gpio = -1,
.enable_gpio = -1,
};
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 3200,
.rpm_start = 3200,
.rpm_max = 6000,
};
const struct fan_t fans[] = {
[FAN_CH_0] = {
.conf = &fan_conf_0,
.rpm = &fan_rpm_0,
},
};
BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
int board_get_temp(int idx, int *temp_k)
{
int mv;
int temp_c;
enum adc_channel channel;
/* idx is the sensor index set in board temp_sensors[] */
switch (idx) {
case TEMP_SENSOR_CHARGER:
channel = ADC_TEMP_SENSOR_CHARGER;
break;
case TEMP_SENSOR_SOC:
/* thermistor is not powered in G3 */
if (chipset_in_state(CHIPSET_STATE_HARD_OFF))
return EC_ERROR_NOT_POWERED;
channel = ADC_TEMP_SENSOR_SOC;
break;
default:
return EC_ERROR_INVAL;
}
mv = adc_read_channel(channel);
if (mv < 0)
return EC_ERROR_INVAL;
temp_c = thermistor_linear_interpolate(mv, &thermistor_info);
*temp_k = C_TO_K(temp_c);
return EC_SUCCESS;
}
const struct adc_t adc_channels[] = {
[ADC_TEMP_SENSOR_CHARGER] = {
.name = "CHARGER",
.input_ch = NPCX_ADC_CH2,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_SOC] = {
.name = "SOC",
.input_ch = NPCX_ADC_CH3,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_CHARGER] = {
.name = "Charger",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = board_get_temp,
.idx = TEMP_SENSOR_CHARGER,
},
[TEMP_SENSOR_SOC] = {
.name = "SOC",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = board_get_temp,
.idx = TEMP_SENSOR_SOC,
},
[TEMP_SENSOR_CPU] = {
.name = "CPU",
.type = TEMP_SENSOR_TYPE_CPU,
.read = sb_tsi_get_val,
.idx = 0,
},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
const static struct ec_thermal_config thermal_thermistor = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(85),
[EC_TEMP_THRESH_HALT] = C_TO_K(95),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(70),
},
.temp_fan_off = 0,
.temp_fan_max = 0,
};
const static struct ec_thermal_config thermal_soc = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(75),
[EC_TEMP_THRESH_HALT] = C_TO_K(80),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
},
.temp_fan_off = C_TO_K(32),
.temp_fan_max = C_TO_K(75),
};
struct ec_thermal_config thermal_params[TEMP_SENSOR_COUNT];
struct fan_step {
int on;
int off;
int rpm;
};
/* Note: Do not make the fan on/off point equal to 0 or 100 */
static const struct fan_step fan_table0[] = {
{.on = 0, .off = 1, .rpm = 0},
{.on = 9, .off = 1, .rpm = 3200},
{.on = 21, .off = 7, .rpm = 3500},
{.on = 28, .off = 16, .rpm = 3900},
{.on = 37, .off = 26, .rpm = 4200},
{.on = 47, .off = 35, .rpm = 4600},
{.on = 56, .off = 44, .rpm = 5100},
{.on = 72, .off = 60, .rpm = 5500},
};
/* All fan tables must have the same number of levels */
#define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0)
static const struct fan_step *fan_table = fan_table0;
static void setup_fans(void)
{
thermal_params[TEMP_SENSOR_CHARGER] = thermal_thermistor;
thermal_params[TEMP_SENSOR_SOC] = thermal_soc;
}
DECLARE_HOOK(HOOK_INIT, setup_fans, HOOK_PRIO_DEFAULT);
int fan_percent_to_rpm(int fan, int pct)
{
static int current_level;
static int previous_pct;
int i;
/*
* Compare the pct and previous pct, we have the three paths :
* 1. decreasing path. (check the off point)
* 2. increasing path. (check the on point)
* 3. invariant path. (return the current RPM)
*/
if (pct < previous_pct) {
for (i = current_level; i >= 0; i--) {
if (pct <= fan_table[i].off)
current_level = i - 1;
else
break;
}
} else if (pct > previous_pct) {
for (i = current_level + 1; i < NUM_FAN_LEVELS; i++) {
if (pct >= fan_table[i].on)
current_level = i;
else
break;
}
}
if (current_level < 0)
current_level = 0;
previous_pct = pct;
if (fan_table[current_level].rpm !=
fan_get_rpm_target(FAN_CH(fan))) {
cprints(CC_THERMAL, "Setting fan RPM to %d",
fan_table[current_level].rpm);
board_print_temps();
}
return fan_table[current_level].rpm;
}
__override void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
/*
* Limit the input current to 95% negotiated limit,
* to account for the charger chip margin.
*/
charge_ma = charge_ma * 95 / 100;
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT),
charge_mv);
}
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