linux-imx

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (C) 2007-2009 Luca Tettamanti <kronos.it@gmail.com>

 *

 * See COPYING in the top level directory of the kernel tree.

 */

​

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

​

#include <linux/debugfs.h>

#include <linux/kernel.h>

#include <linux/hwmon.h>

#include <linux/list.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/dmi.h>

#include <linux/jiffies.h>

#include <linux/err.h>

#include <linux/acpi.h>

​

#define ATK_HID "ATK0110"

​

static bool new_if;

module_param(new_if, bool, 0);

MODULE_PARM_DESC(new_if, "Override detection heuristic and force the use of the new ATK0110 interface");

​

static const struct dmi_system_id __initconst atk_force_new_if[] = {

    {

        /* Old interface has broken MCH temp monitoring */

        .ident = "Asus Sabertooth X58",

        .matches = {

            DMI_MATCH(DMI_BOARD_NAME, "SABERTOOTH X58")

        }

    }, {

        /* Old interface reads the same sensor for fan0 and fan1 */

        .ident = "Asus M5A78L",

        .matches = {

            DMI_MATCH(DMI_BOARD_NAME, "M5A78L")

        }

    },

    { }

};

​

/*

 * Minimum time between readings, enforced in order to avoid

 * hogging the CPU.

 */

#define CACHE_TIME      HZ

​

#define BOARD_ID        "MBIF"

#define METHOD_ENUMERATE    "GGRP"

#define METHOD_READ     "GITM"

#define METHOD_WRITE        "SITM"

#define METHOD_OLD_READ_TMP "RTMP"

#define METHOD_OLD_READ_VLT "RVLT"

#define METHOD_OLD_READ_FAN "RFAN"

#define METHOD_OLD_ENUM_TMP "TSIF"

#define METHOD_OLD_ENUM_VLT "VSIF"

#define METHOD_OLD_ENUM_FAN "FSIF"

​

#define ATK_MUX_HWMON       0x00000006ULL

#define ATK_MUX_MGMT        0x00000011ULL

​

#define ATK_CLASS_MASK      0xff000000ULL

#define ATK_CLASS_FREQ_CTL  0x03000000ULL

#define ATK_CLASS_FAN_CTL   0x04000000ULL

#define ATK_CLASS_HWMON     0x06000000ULL

#define ATK_CLASS_MGMT      0x11000000ULL

​

#define ATK_TYPE_MASK       0x00ff0000ULL

#define HWMON_TYPE_VOLT     0x00020000ULL

#define HWMON_TYPE_TEMP     0x00030000ULL

#define HWMON_TYPE_FAN      0x00040000ULL

​

#define ATK_ELEMENT_ID_MASK 0x0000ffffULL

​

#define ATK_EC_ID       0x11060004ULL

​

enum atk_pack_member {

    HWMON_PACK_FLAGS,

    HWMON_PACK_NAME,

    HWMON_PACK_LIMIT1,

    HWMON_PACK_LIMIT2,

    HWMON_PACK_ENABLE

};

​

/* New package format */

#define _HWMON_NEW_PACK_SIZE    7

#define _HWMON_NEW_PACK_FLAGS   0

#define _HWMON_NEW_PACK_NAME    1

#define _HWMON_NEW_PACK_UNK1    2

#define _HWMON_NEW_PACK_UNK2    3