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Add a new driver to allow various MSI laptops' functionalities to be controlled from userspace. This includes such features as power profiles (aka shift modes), fan speed, charge thresholds, LEDs, etc. This driver contains EC memory configurations for different firmware versions and exports battery charge thresholds to userspace (note, that start and end thresholds control the same EC parameter and are always 10% apart). Link: https://github.com/BeardOverflow/msi-ec/ Link: https://github.com/BeardOverflow/msi-ec/pull/13 Cc: Aakash Singh <mail@singhaakash.dev> Cc: Jose Angel Pastrana <japp0005@red.ujaen.es> Signed-off-by: Nikita Kravets <teackot@gmail.com> Link: https://lore.kernel.org/r/20230320225509.3559-1-teackot@gmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* msi-ec: MSI laptops' embedded controller driver.
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*
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* Copyright (C) 2023 Jose Angel Pastrana <japp0005@red.ujaen.es>
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* Copyright (C) 2023 Aakash Singh <mail@singhaakash.dev>
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* Copyright (C) 2023 Nikita Kravets <teackot@gmail.com>
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*/
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#ifndef _MSI_EC_H_
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#define _MSI_EC_H_
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#include <linux/types.h>
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#define MSI_EC_DRIVER_NAME "msi-ec"
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#define MSI_EC_ADDR_UNKNOWN 0xff01 // unknown address
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#define MSI_EC_ADDR_UNSUPP 0xff01 // unsupported parameter
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// Firmware info addresses are universal
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#define MSI_EC_FW_VERSION_ADDRESS 0xa0
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#define MSI_EC_FW_DATE_ADDRESS 0xac
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#define MSI_EC_FW_TIME_ADDRESS 0xb4
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#define MSI_EC_FW_VERSION_LENGTH 12
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#define MSI_EC_FW_DATE_LENGTH 8
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#define MSI_EC_FW_TIME_LENGTH 8
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struct msi_ec_charge_control_conf {
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int address;
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int offset_start;
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int offset_end;
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int range_min;
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int range_max;
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};
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struct msi_ec_webcam_conf {
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int address;
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int block_address;
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int bit;
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};
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struct msi_ec_fn_super_swap_conf {
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int address;
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int bit;
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};
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struct msi_ec_cooler_boost_conf {
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int address;
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int bit;
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};
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#define MSI_EC_MODE_NULL { NULL, 0 }
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struct msi_ec_mode {
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const char *name;
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int value;
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};
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struct msi_ec_shift_mode_conf {
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int address;
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struct msi_ec_mode modes[5]; // fixed size for easier hard coding
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};
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struct msi_ec_super_battery_conf {
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int address;
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int mask;
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};
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struct msi_ec_fan_mode_conf {
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int address;
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struct msi_ec_mode modes[5]; // fixed size for easier hard coding
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};
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struct msi_ec_cpu_conf {
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int rt_temp_address;
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int rt_fan_speed_address; // realtime
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int rt_fan_speed_base_min;
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int rt_fan_speed_base_max;
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int bs_fan_speed_address; // basic
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int bs_fan_speed_base_min;
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int bs_fan_speed_base_max;
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};
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struct msi_ec_gpu_conf {
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int rt_temp_address;
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int rt_fan_speed_address; // realtime
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};
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struct msi_ec_led_conf {
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int micmute_led_address;
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int mute_led_address;
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int bit;
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};
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#define MSI_EC_KBD_BL_STATE_MASK 0x3
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struct msi_ec_kbd_bl_conf {
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int bl_mode_address;
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int bl_modes[2];
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int max_mode;
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int bl_state_address;
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int state_base_value;
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int max_state;
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};
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struct msi_ec_conf {
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const char * const *allowed_fw;
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struct msi_ec_charge_control_conf charge_control;
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struct msi_ec_webcam_conf webcam;
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struct msi_ec_fn_super_swap_conf fn_super_swap;
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struct msi_ec_cooler_boost_conf cooler_boost;
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struct msi_ec_shift_mode_conf shift_mode;
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struct msi_ec_super_battery_conf super_battery;
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struct msi_ec_fan_mode_conf fan_mode;
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struct msi_ec_cpu_conf cpu;
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struct msi_ec_gpu_conf gpu;
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struct msi_ec_led_conf leds;
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struct msi_ec_kbd_bl_conf kbd_bl;
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};
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#endif // _MSI_EC_H_
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