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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootstate.h>
#include <superio/fintek/common/fan_control.h>
#include <amdblocks/lpc.h>
#include <device/pci_ops.h>
#include <soc/pci_devs.h>
#define CPU_FAN 1
#define SYSTEM_FAN 2
/* Boundaries in celsius, sections in percent */
static u8 cpu_boudaries[FINTEK_BOUNDARIES_SIZE] = {
80,
65,
50,
35
};
static u8 system_boudaries[FINTEK_BOUNDARIES_SIZE] = {
70,
55,
40,
25
};
static u8 cpu_section[FINTEK_SECTIONS_SIZE] = {
100,
85,
70,
55,
40
};
static u8 system_section[FINTEK_SECTIONS_SIZE] = {
100,
85,
70,
55,
40
};
struct fintek_fan cpu_fan = {
CPU_FAN,
IGNORE_SENSOR,
TEMP_SENSOR_DEFAULT,
FAN_TEMP_TSI,
FAN_TYPE_PWM_PUSH_PULL,
FAN_MODE_DEFAULT,
FAN_PWM_FREQ_23500,
FAN_UP_RATE_10HZ,
FAN_DOWN_RATE_10HZ,
FAN_FOLLOW_INTERPOLATION,
cpu_boudaries,
cpu_section
};
struct fintek_fan system_fan = {
SYSTEM_FAN,
EXTERNAL_SENSOR2,
TEMP_SENSOR_BJT,
FAN_TEMP_EXTERNAL_2,
FAN_TYPE_DAC_POWER,
FAN_MODE_DEFAULT,
FAN_PWM_FREQ_23500,
FAN_UP_RATE_10HZ,
FAN_DOWN_RATE_10HZ,
FAN_FOLLOW_INTERPOLATION,
system_boudaries,
system_section
};
static void init_fan_control(void *unused)
{
/* Open a LPC IO access to 0x0220-0x0227 */
pci_or_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, DECODE_ENABLE_SERIAL_PORT2);
set_fan(&cpu_fan);
set_fan(&system_fan);
}
BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, init_fan_control, NULL);
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