898 lines
19 KiB
C
898 lines
19 KiB
C
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// 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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* This driver allows various MSI laptops' functionalities to be
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* controlled from userspace.
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*
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* It contains EC memory configurations for different firmware versions
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* and exports battery charge thresholds to userspace.
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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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include "msi-ec.h"
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#include <acpi/battery.h>
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#include <linux/acpi.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/seq_file.h>
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#include <linux/string.h>
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#define SM_ECO_NAME "eco"
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#define SM_COMFORT_NAME "comfort"
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#define SM_SPORT_NAME "sport"
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#define SM_TURBO_NAME "turbo"
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#define FM_AUTO_NAME "auto"
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#define FM_SILENT_NAME "silent"
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#define FM_BASIC_NAME "basic"
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#define FM_ADVANCED_NAME "advanced"
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static const char * const ALLOWED_FW_0[] __initconst = {
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"14C1EMS1.012",
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"14C1EMS1.101",
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"14C1EMS1.102",
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NULL
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};
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static struct msi_ec_conf CONF0 __initdata = {
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.allowed_fw = ALLOWED_FW_0,
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.charge_control = {
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.address = 0xef,
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.offset_start = 0x8a,
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.offset_end = 0x80,
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.range_min = 0x8a,
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.range_max = 0xe4,
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},
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.webcam = {
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.address = 0x2e,
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.block_address = 0x2f,
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.bit = 1,
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},
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.fn_super_swap = {
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.address = 0xbf,
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.bit = 4,
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},
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.cooler_boost = {
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.address = 0x98,
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.bit = 7,
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},
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.shift_mode = {
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.address = 0xf2,
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.modes = {
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{ SM_ECO_NAME, 0xc2 },
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{ SM_COMFORT_NAME, 0xc1 },
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{ SM_SPORT_NAME, 0xc0 },
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MSI_EC_MODE_NULL
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},
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},
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.super_battery = {
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.address = MSI_EC_ADDR_UNKNOWN, // 0xd5 needs testing
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},
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.fan_mode = {
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.address = 0xf4,
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.modes = {
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{ FM_AUTO_NAME, 0x0d },
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{ FM_SILENT_NAME, 0x1d },
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{ FM_BASIC_NAME, 0x4d },
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{ FM_ADVANCED_NAME, 0x8d },
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MSI_EC_MODE_NULL
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},
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},
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.cpu = {
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.rt_temp_address = 0x68,
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.rt_fan_speed_address = 0x71,
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.rt_fan_speed_base_min = 0x19,
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.rt_fan_speed_base_max = 0x37,
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.bs_fan_speed_address = 0x89,
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.bs_fan_speed_base_min = 0x00,
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.bs_fan_speed_base_max = 0x0f,
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},
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.gpu = {
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.rt_temp_address = 0x80,
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.rt_fan_speed_address = 0x89,
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},
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.leds = {
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.micmute_led_address = 0x2b,
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.mute_led_address = 0x2c,
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.bit = 2,
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},
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.kbd_bl = {
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.bl_mode_address = 0x2c, // ?
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.bl_modes = { 0x00, 0x08 }, // ?
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.max_mode = 1, // ?
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.bl_state_address = 0xf3,
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.state_base_value = 0x80,
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.max_state = 3,
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},
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};
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static const char * const ALLOWED_FW_1[] __initconst = {
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"17F2EMS1.103",
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"17F2EMS1.104",
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"17F2EMS1.106",
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"17F2EMS1.107",
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NULL
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};
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static struct msi_ec_conf CONF1 __initdata = {
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.allowed_fw = ALLOWED_FW_1,
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.charge_control = {
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.address = 0xef,
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.offset_start = 0x8a,
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.offset_end = 0x80,
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.range_min = 0x8a,
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.range_max = 0xe4,
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},
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.webcam = {
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.address = 0x2e,
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.block_address = 0x2f,
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.bit = 1,
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},
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.fn_super_swap = {
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.address = 0xbf,
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.bit = 4,
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},
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.cooler_boost = {
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.address = 0x98,
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.bit = 7,
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},
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.shift_mode = {
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.address = 0xf2,
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.modes = {
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{ SM_ECO_NAME, 0xc2 },
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{ SM_COMFORT_NAME, 0xc1 },
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{ SM_SPORT_NAME, 0xc0 },
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{ SM_TURBO_NAME, 0xc4 },
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MSI_EC_MODE_NULL
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},
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},
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.super_battery = {
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.address = MSI_EC_ADDR_UNKNOWN,
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},
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.fan_mode = {
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.address = 0xf4,
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.modes = {
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{ FM_AUTO_NAME, 0x0d },
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{ FM_BASIC_NAME, 0x4d },
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{ FM_ADVANCED_NAME, 0x8d },
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MSI_EC_MODE_NULL
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},
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},
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.cpu = {
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.rt_temp_address = 0x68,
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.rt_fan_speed_address = 0x71,
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.rt_fan_speed_base_min = 0x19,
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.rt_fan_speed_base_max = 0x37,
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.bs_fan_speed_address = 0x89,
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.bs_fan_speed_base_min = 0x00,
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.bs_fan_speed_base_max = 0x0f,
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},
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.gpu = {
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.rt_temp_address = 0x80,
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.rt_fan_speed_address = 0x89,
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},
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.leds = {
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.micmute_led_address = 0x2b,
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.mute_led_address = 0x2c,
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.bit = 2,
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},
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.kbd_bl = {
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.bl_mode_address = 0x2c, // ?
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.bl_modes = { 0x00, 0x08 }, // ?
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.max_mode = 1, // ?
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.bl_state_address = 0xf3,
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.state_base_value = 0x80,
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.max_state = 3,
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},
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};
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static const char * const ALLOWED_FW_2[] __initconst = {
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"1552EMS1.118",
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NULL
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};
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static struct msi_ec_conf CONF2 __initdata = {
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.allowed_fw = ALLOWED_FW_2,
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.charge_control = {
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.address = 0xd7,
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.offset_start = 0x8a,
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.offset_end = 0x80,
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.range_min = 0x8a,
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.range_max = 0xe4,
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},
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.webcam = {
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.address = 0x2e,
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.block_address = 0x2f,
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.bit = 1,
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},
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.fn_super_swap = {
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.address = 0xe8,
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.bit = 4,
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},
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.cooler_boost = {
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.address = 0x98,
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.bit = 7,
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},
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.shift_mode = {
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.address = 0xf2,
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.modes = {
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{ SM_ECO_NAME, 0xc2 },
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{ SM_COMFORT_NAME, 0xc1 },
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{ SM_SPORT_NAME, 0xc0 },
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MSI_EC_MODE_NULL
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},
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},
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.super_battery = {
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.address = 0xeb,
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.mask = 0x0f,
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},
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.fan_mode = {
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.address = 0xd4,
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.modes = {
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{ FM_AUTO_NAME, 0x0d },
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{ FM_SILENT_NAME, 0x1d },
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{ FM_BASIC_NAME, 0x4d },
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{ FM_ADVANCED_NAME, 0x8d },
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MSI_EC_MODE_NULL
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},
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},
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.cpu = {
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.rt_temp_address = 0x68,
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.rt_fan_speed_address = 0x71,
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.rt_fan_speed_base_min = 0x19,
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.rt_fan_speed_base_max = 0x37,
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.bs_fan_speed_address = 0x89,
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.bs_fan_speed_base_min = 0x00,
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.bs_fan_speed_base_max = 0x0f,
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},
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.gpu = {
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.rt_temp_address = 0x80,
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.rt_fan_speed_address = 0x89,
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},
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.leds = {
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.micmute_led_address = 0x2c,
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.mute_led_address = 0x2d,
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.bit = 1,
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},
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.kbd_bl = {
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.bl_mode_address = 0x2c, // ?
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.bl_modes = { 0x00, 0x08 }, // ?
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.max_mode = 1, // ?
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.bl_state_address = 0xd3,
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.state_base_value = 0x80,
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.max_state = 3,
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},
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};
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static const char * const ALLOWED_FW_3[] __initconst = {
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"1592EMS1.111",
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"E1592IMS.10C",
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NULL
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};
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static struct msi_ec_conf CONF3 __initdata = {
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.allowed_fw = ALLOWED_FW_3,
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.charge_control = {
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.address = 0xef,
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.offset_start = 0x8a,
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.offset_end = 0x80,
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.range_min = 0x8a,
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.range_max = 0xe4,
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},
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.webcam = {
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.address = 0x2e,
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.block_address = 0x2f,
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.bit = 1,
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},
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.fn_super_swap = {
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.address = 0xe8,
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.bit = 4,
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},
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.cooler_boost = {
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.address = 0x98,
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.bit = 7,
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},
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.shift_mode = {
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.address = 0xd2,
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.modes = {
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{ SM_ECO_NAME, 0xc2 },
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{ SM_COMFORT_NAME, 0xc1 },
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{ SM_SPORT_NAME, 0xc0 },
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MSI_EC_MODE_NULL
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},
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},
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.super_battery = {
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.address = 0xeb,
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.mask = 0x0f,
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},
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.fan_mode = {
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.address = 0xd4,
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.modes = {
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{ FM_AUTO_NAME, 0x0d },
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{ FM_SILENT_NAME, 0x1d },
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{ FM_BASIC_NAME, 0x4d },
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{ FM_ADVANCED_NAME, 0x8d },
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MSI_EC_MODE_NULL
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},
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},
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.cpu = {
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.rt_temp_address = 0x68,
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.rt_fan_speed_address = 0xc9,
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.rt_fan_speed_base_min = 0x19,
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.rt_fan_speed_base_max = 0x37,
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.bs_fan_speed_address = 0x89, // ?
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.bs_fan_speed_base_min = 0x00,
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.bs_fan_speed_base_max = 0x0f,
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},
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.gpu = {
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.rt_temp_address = 0x80,
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.rt_fan_speed_address = 0x89,
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},
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.leds = {
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.micmute_led_address = 0x2b,
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.mute_led_address = 0x2c,
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.bit = 1,
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},
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.kbd_bl = {
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.bl_mode_address = 0x2c, // ?
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.bl_modes = { 0x00, 0x08 }, // ?
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.max_mode = 1, // ?
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.bl_state_address = 0xd3,
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.state_base_value = 0x80,
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.max_state = 3,
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},
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};
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static const char * const ALLOWED_FW_4[] __initconst = {
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"16V4EMS1.114",
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NULL
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};
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static struct msi_ec_conf CONF4 __initdata = {
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.allowed_fw = ALLOWED_FW_4,
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.charge_control = {
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.address = 0xd7,
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.offset_start = 0x8a,
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.offset_end = 0x80,
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.range_min = 0x8a,
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.range_max = 0xe4,
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},
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.webcam = {
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.address = 0x2e,
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.block_address = 0x2f,
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.bit = 1,
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},
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.fn_super_swap = {
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|
|
.address = MSI_EC_ADDR_UNKNOWN, // supported, but unknown
|
||
|
|
.bit = 4,
|
||
|
|
},
|
||
|
|
.cooler_boost = {
|
||
|
|
.address = 0x98,
|
||
|
|
.bit = 7,
|
||
|
|
},
|
||
|
|
.shift_mode = {
|
||
|
|
.address = 0xd2,
|
||
|
|
.modes = {
|
||
|
|
{ SM_ECO_NAME, 0xc2 },
|
||
|
|
{ SM_COMFORT_NAME, 0xc1 },
|
||
|
|
{ SM_SPORT_NAME, 0xc0 },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.super_battery = { // may be supported, but address is unknown
|
||
|
|
.address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.mask = 0x0f,
|
||
|
|
},
|
||
|
|
.fan_mode = {
|
||
|
|
.address = 0xd4,
|
||
|
|
.modes = {
|
||
|
|
{ FM_AUTO_NAME, 0x0d },
|
||
|
|
{ FM_SILENT_NAME, 0x1d },
|
||
|
|
{ FM_ADVANCED_NAME, 0x8d },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.cpu = {
|
||
|
|
.rt_temp_address = 0x68, // needs testing
|
||
|
|
.rt_fan_speed_address = 0x71, // needs testing
|
||
|
|
.rt_fan_speed_base_min = 0x19,
|
||
|
|
.rt_fan_speed_base_max = 0x37,
|
||
|
|
.bs_fan_speed_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.bs_fan_speed_base_min = 0x00,
|
||
|
|
.bs_fan_speed_base_max = 0x0f,
|
||
|
|
},
|
||
|
|
.gpu = {
|
||
|
|
.rt_temp_address = 0x80,
|
||
|
|
.rt_fan_speed_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
},
|
||
|
|
.leds = {
|
||
|
|
.micmute_led_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.mute_led_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.bit = 1,
|
||
|
|
},
|
||
|
|
.kbd_bl = {
|
||
|
|
.bl_mode_address = MSI_EC_ADDR_UNKNOWN, // ?
|
||
|
|
.bl_modes = { 0x00, 0x08 }, // ?
|
||
|
|
.max_mode = 1, // ?
|
||
|
|
.bl_state_address = MSI_EC_ADDR_UNSUPP, // 0xd3, not functional
|
||
|
|
.state_base_value = 0x80,
|
||
|
|
.max_state = 3,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char * const ALLOWED_FW_5[] __initconst = {
|
||
|
|
"158LEMS1.103",
|
||
|
|
"158LEMS1.105",
|
||
|
|
"158LEMS1.106",
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct msi_ec_conf CONF5 __initdata = {
|
||
|
|
.allowed_fw = ALLOWED_FW_5,
|
||
|
|
.charge_control = {
|
||
|
|
.address = 0xef,
|
||
|
|
.offset_start = 0x8a,
|
||
|
|
.offset_end = 0x80,
|
||
|
|
.range_min = 0x8a,
|
||
|
|
.range_max = 0xe4,
|
||
|
|
},
|
||
|
|
.webcam = {
|
||
|
|
.address = 0x2e,
|
||
|
|
.block_address = 0x2f,
|
||
|
|
.bit = 1,
|
||
|
|
},
|
||
|
|
.fn_super_swap = { // todo: reverse
|
||
|
|
.address = 0xbf,
|
||
|
|
.bit = 4,
|
||
|
|
},
|
||
|
|
.cooler_boost = {
|
||
|
|
.address = 0x98,
|
||
|
|
.bit = 7,
|
||
|
|
},
|
||
|
|
.shift_mode = {
|
||
|
|
.address = 0xf2,
|
||
|
|
.modes = {
|
||
|
|
{ SM_ECO_NAME, 0xc2 },
|
||
|
|
{ SM_COMFORT_NAME, 0xc1 },
|
||
|
|
{ SM_TURBO_NAME, 0xc4 },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.super_battery = { // unsupported?
|
||
|
|
.address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.mask = 0x0f,
|
||
|
|
},
|
||
|
|
.fan_mode = {
|
||
|
|
.address = 0xf4,
|
||
|
|
.modes = {
|
||
|
|
{ FM_AUTO_NAME, 0x0d },
|
||
|
|
{ FM_SILENT_NAME, 0x1d },
|
||
|
|
{ FM_ADVANCED_NAME, 0x8d },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.cpu = {
|
||
|
|
.rt_temp_address = 0x68, // needs testing
|
||
|
|
.rt_fan_speed_address = 0x71, // needs testing
|
||
|
|
.rt_fan_speed_base_min = 0x19,
|
||
|
|
.rt_fan_speed_base_max = 0x37,
|
||
|
|
.bs_fan_speed_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bs_fan_speed_base_min = 0x00,
|
||
|
|
.bs_fan_speed_base_max = 0x0f,
|
||
|
|
},
|
||
|
|
.gpu = {
|
||
|
|
.rt_temp_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.rt_fan_speed_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
},
|
||
|
|
.leds = {
|
||
|
|
.micmute_led_address = 0x2b,
|
||
|
|
.mute_led_address = 0x2c,
|
||
|
|
.bit = 2,
|
||
|
|
},
|
||
|
|
.kbd_bl = {
|
||
|
|
.bl_mode_address = MSI_EC_ADDR_UNKNOWN, // ?
|
||
|
|
.bl_modes = { 0x00, 0x08 }, // ?
|
||
|
|
.max_mode = 1, // ?
|
||
|
|
.bl_state_address = MSI_EC_ADDR_UNSUPP, // 0xf3, not functional
|
||
|
|
.state_base_value = 0x80,
|
||
|
|
.max_state = 3,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char * const ALLOWED_FW_6[] __initconst = {
|
||
|
|
"1542EMS1.102",
|
||
|
|
"1542EMS1.104",
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct msi_ec_conf CONF6 __initdata = {
|
||
|
|
.allowed_fw = ALLOWED_FW_6,
|
||
|
|
.charge_control = {
|
||
|
|
.address = 0xef,
|
||
|
|
.offset_start = 0x8a,
|
||
|
|
.offset_end = 0x80,
|
||
|
|
.range_min = 0x8a,
|
||
|
|
.range_max = 0xe4,
|
||
|
|
},
|
||
|
|
.webcam = {
|
||
|
|
.address = 0x2e,
|
||
|
|
.block_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bit = 1,
|
||
|
|
},
|
||
|
|
.fn_super_swap = {
|
||
|
|
.address = 0xbf, // todo: reverse
|
||
|
|
.bit = 4,
|
||
|
|
},
|
||
|
|
.cooler_boost = {
|
||
|
|
.address = 0x98,
|
||
|
|
.bit = 7,
|
||
|
|
},
|
||
|
|
.shift_mode = {
|
||
|
|
.address = 0xf2,
|
||
|
|
.modes = {
|
||
|
|
{ SM_ECO_NAME, 0xc2 },
|
||
|
|
{ SM_COMFORT_NAME, 0xc1 },
|
||
|
|
{ SM_SPORT_NAME, 0xc0 },
|
||
|
|
{ SM_TURBO_NAME, 0xc4 },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.super_battery = {
|
||
|
|
.address = 0xd5,
|
||
|
|
.mask = 0x0f,
|
||
|
|
},
|
||
|
|
.fan_mode = {
|
||
|
|
.address = 0xf4,
|
||
|
|
.modes = {
|
||
|
|
{ FM_AUTO_NAME, 0x0d },
|
||
|
|
{ FM_SILENT_NAME, 0x1d },
|
||
|
|
{ FM_ADVANCED_NAME, 0x8d },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.cpu = {
|
||
|
|
.rt_temp_address = 0x68,
|
||
|
|
.rt_fan_speed_address = 0xc9,
|
||
|
|
.rt_fan_speed_base_min = 0x19,
|
||
|
|
.rt_fan_speed_base_max = 0x37,
|
||
|
|
.bs_fan_speed_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bs_fan_speed_base_min = 0x00,
|
||
|
|
.bs_fan_speed_base_max = 0x0f,
|
||
|
|
},
|
||
|
|
.gpu = {
|
||
|
|
.rt_temp_address = 0x80,
|
||
|
|
.rt_fan_speed_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
},
|
||
|
|
.leds = {
|
||
|
|
.micmute_led_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.mute_led_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bit = 2,
|
||
|
|
},
|
||
|
|
.kbd_bl = {
|
||
|
|
.bl_mode_address = MSI_EC_ADDR_UNKNOWN, // ?
|
||
|
|
.bl_modes = { 0x00, 0x08 }, // ?
|
||
|
|
.max_mode = 1, // ?
|
||
|
|
.bl_state_address = MSI_EC_ADDR_UNSUPP, // 0xf3, not functional
|
||
|
|
.state_base_value = 0x80,
|
||
|
|
.max_state = 3,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char * const ALLOWED_FW_7[] __initconst = {
|
||
|
|
"17FKEMS1.108",
|
||
|
|
"17FKEMS1.109",
|
||
|
|
"17FKEMS1.10A",
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct msi_ec_conf CONF7 __initdata = {
|
||
|
|
.allowed_fw = ALLOWED_FW_7,
|
||
|
|
.charge_control = {
|
||
|
|
.address = 0xef,
|
||
|
|
.offset_start = 0x8a,
|
||
|
|
.offset_end = 0x80,
|
||
|
|
.range_min = 0x8a,
|
||
|
|
.range_max = 0xe4,
|
||
|
|
},
|
||
|
|
.webcam = {
|
||
|
|
.address = 0x2e,
|
||
|
|
.block_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bit = 1,
|
||
|
|
},
|
||
|
|
.fn_super_swap = {
|
||
|
|
.address = 0xbf, // needs testing
|
||
|
|
.bit = 4,
|
||
|
|
},
|
||
|
|
.cooler_boost = {
|
||
|
|
.address = 0x98,
|
||
|
|
.bit = 7,
|
||
|
|
},
|
||
|
|
.shift_mode = {
|
||
|
|
.address = 0xf2,
|
||
|
|
.modes = {
|
||
|
|
{ SM_ECO_NAME, 0xc2 },
|
||
|
|
{ SM_COMFORT_NAME, 0xc1 },
|
||
|
|
{ SM_SPORT_NAME, 0xc0 },
|
||
|
|
{ SM_TURBO_NAME, 0xc4 },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.super_battery = {
|
||
|
|
.address = MSI_EC_ADDR_UNKNOWN, // 0xd5 but has its own wet of modes
|
||
|
|
.mask = 0x0f,
|
||
|
|
},
|
||
|
|
.fan_mode = {
|
||
|
|
.address = 0xf4,
|
||
|
|
.modes = {
|
||
|
|
{ FM_AUTO_NAME, 0x0d }, // d may not be relevant
|
||
|
|
{ FM_SILENT_NAME, 0x1d },
|
||
|
|
{ FM_ADVANCED_NAME, 0x8d },
|
||
|
|
MSI_EC_MODE_NULL
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.cpu = {
|
||
|
|
.rt_temp_address = 0x68,
|
||
|
|
.rt_fan_speed_address = 0xc9, // needs testing
|
||
|
|
.rt_fan_speed_base_min = 0x19,
|
||
|
|
.rt_fan_speed_base_max = 0x37,
|
||
|
|
.bs_fan_speed_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.bs_fan_speed_base_min = 0x00,
|
||
|
|
.bs_fan_speed_base_max = 0x0f,
|
||
|
|
},
|
||
|
|
.gpu = {
|
||
|
|
.rt_temp_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
.rt_fan_speed_address = MSI_EC_ADDR_UNKNOWN,
|
||
|
|
},
|
||
|
|
.leds = {
|
||
|
|
.micmute_led_address = MSI_EC_ADDR_UNSUPP,
|
||
|
|
.mute_led_address = 0x2c,
|
||
|
|
.bit = 2,
|
||
|
|
},
|
||
|
|
.kbd_bl = {
|
||
|
|
.bl_mode_address = MSI_EC_ADDR_UNKNOWN, // ?
|
||
|
|
.bl_modes = { 0x00, 0x08 }, // ?
|
||
|
|
.max_mode = 1, // ?
|
||
|
|
.bl_state_address = 0xf3,
|
||
|
|
.state_base_value = 0x80,
|
||
|
|
.max_state = 3,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct msi_ec_conf *CONFIGS[] __initdata = {
|
||
|
|
&CONF0,
|
||
|
|
&CONF1,
|
||
|
|
&CONF2,
|
||
|
|
&CONF3,
|
||
|
|
&CONF4,
|
||
|
|
&CONF5,
|
||
|
|
&CONF6,
|
||
|
|
&CONF7,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct msi_ec_conf conf; // current configuration
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Helper functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
static int ec_read_seq(u8 addr, u8 *buf, u8 len)
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
|
||
|
|
for (u8 i = 0; i < len; i++) {
|
||
|
|
result = ec_read(addr + i, buf + i);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ec_get_firmware_version(u8 buf[MSI_EC_FW_VERSION_LENGTH + 1])
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
|
||
|
|
memset(buf, 0, MSI_EC_FW_VERSION_LENGTH + 1);
|
||
|
|
result = ec_read_seq(MSI_EC_FW_VERSION_ADDRESS,
|
||
|
|
buf,
|
||
|
|
MSI_EC_FW_VERSION_LENGTH);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
return MSI_EC_FW_VERSION_LENGTH + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Sysfs power_supply subsystem
|
||
|
|
*/
|
||
|
|
|
||
|
|
static ssize_t charge_control_threshold_show(u8 offset,
|
||
|
|
struct device *device,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
u8 rdata;
|
||
|
|
int result;
|
||
|
|
|
||
|
|
result = ec_read(conf.charge_control.address, &rdata);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
return sysfs_emit(buf, "%i\n", rdata - offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t charge_control_threshold_store(u8 offset,
|
||
|
|
struct device *dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
u8 wdata;
|
||
|
|
int result;
|
||
|
|
|
||
|
|
result = kstrtou8(buf, 10, &wdata);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
wdata += offset;
|
||
|
|
if (wdata < conf.charge_control.range_min ||
|
||
|
|
wdata > conf.charge_control.range_max)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
result = ec_write(conf.charge_control.address, wdata);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t charge_control_start_threshold_show(struct device *device,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
return charge_control_threshold_show(conf.charge_control.offset_start,
|
||
|
|
device, attr, buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t charge_control_start_threshold_store(struct device *dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
return charge_control_threshold_store(conf.charge_control.offset_start,
|
||
|
|
dev, attr, buf, count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t charge_control_end_threshold_show(struct device *device,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
char *buf)
|
||
|
|
{
|
||
|
|
return charge_control_threshold_show(conf.charge_control.offset_end,
|
||
|
|
device, attr, buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t charge_control_end_threshold_store(struct device *dev,
|
||
|
|
struct device_attribute *attr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
return charge_control_threshold_store(conf.charge_control.offset_end,
|
||
|
|
dev, attr, buf, count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static DEVICE_ATTR_RW(charge_control_start_threshold);
|
||
|
|
static DEVICE_ATTR_RW(charge_control_end_threshold);
|
||
|
|
|
||
|
|
static struct attribute *msi_battery_attrs[] = {
|
||
|
|
&dev_attr_charge_control_start_threshold.attr,
|
||
|
|
&dev_attr_charge_control_end_threshold.attr,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
ATTRIBUTE_GROUPS(msi_battery);
|
||
|
|
|
||
|
|
static int msi_battery_add(struct power_supply *battery,
|
||
|
|
struct acpi_battery_hook *hook)
|
||
|
|
{
|
||
|
|
return device_add_groups(&battery->dev, msi_battery_groups);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int msi_battery_remove(struct power_supply *battery,
|
||
|
|
struct acpi_battery_hook *hook)
|
||
|
|
{
|
||
|
|
device_remove_groups(&battery->dev, msi_battery_groups);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct acpi_battery_hook battery_hook = {
|
||
|
|
.add_battery = msi_battery_add,
|
||
|
|
.remove_battery = msi_battery_remove,
|
||
|
|
.name = MSI_EC_DRIVER_NAME,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Module load/unload
|
||
|
|
*/
|
||
|
|
|
||
|
|
static const struct dmi_system_id msi_dmi_table[] __initconst __maybe_unused = {
|
||
|
|
{
|
||
|
|
.matches = {
|
||
|
|
DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT"),
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.matches = {
|
||
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(dmi, msi_dmi_table);
|
||
|
|
|
||
|
|
static int __init load_configuration(void)
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
|
||
|
|
u8 fw_version[MSI_EC_FW_VERSION_LENGTH + 1];
|
||
|
|
|
||
|
|
/* get firmware version */
|
||
|
|
result = ec_get_firmware_version(fw_version);
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
/* load the suitable configuration, if exists */
|
||
|
|
for (int i = 0; CONFIGS[i]; i++) {
|
||
|
|
if (match_string(CONFIGS[i]->allowed_fw, -1, fw_version) != -EINVAL) {
|
||
|
|
conf = *CONFIGS[i];
|
||
|
|
conf.allowed_fw = NULL;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* config not found */
|
||
|
|
|
||
|
|
for (int i = 0; i < MSI_EC_FW_VERSION_LENGTH; i++) {
|
||
|
|
if (!isgraph(fw_version[i])) {
|
||
|
|
pr_warn("Unable to find a valid firmware version!\n");
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pr_warn("Firmware version is not supported: '%s'\n", fw_version);
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __init msi_ec_init(void)
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
|
||
|
|
result = load_configuration();
|
||
|
|
if (result < 0)
|
||
|
|
return result;
|
||
|
|
|
||
|
|
battery_hook_register(&battery_hook);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit msi_ec_exit(void)
|
||
|
|
{
|
||
|
|
battery_hook_unregister(&battery_hook);
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_AUTHOR("Jose Angel Pastrana <japp0005@red.ujaen.es>");
|
||
|
|
MODULE_AUTHOR("Aakash Singh <mail@singhaakash.dev>");
|
||
|
|
MODULE_AUTHOR("Nikita Kravets <teackot@gmail.com>");
|
||
|
|
MODULE_DESCRIPTION("MSI Embedded Controller");
|
||
|
|
|
||
|
|
module_init(msi_ec_init);
|
||
|
|
module_exit(msi_ec_exit);
|