drivers/acpi/dptf/int340x_thermal.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * ACPI support for int340x thermal drivers
   4  *
   5  * Copyright (C) 2014, Intel Corporation
   6  * Authors: Zhang Rui <rui.zhang@intel.com>
   7  */
   8
   9 #include <linux/acpi.h>
  10 #include <linux/module.h>
  11
  12 #include "../internal.h"
  13
  14 #define INT3401_DEVICE 0X01
  15 static const struct acpi_device_id int340x_thermal_device_ids[] = {
  16         {"INT3400"},
  17         {"INT3401", INT3401_DEVICE},
  18         {"INT3402"},
  19         {"INT3403"},
  20         {"INT3404"},
  21         {"INT3406"},
  22         {"INT3407"},
  23         {"INT3408"},
  24         {"INT3409"},
  25         {"INT340A"},
  26         {"INT340B"},
  27         {""},
  28 };
  29
  30 static int int340x_thermal_handler_attach(struct acpi_device *adev,
  31                                         const struct acpi_device_id *id)
  32 {
  33         if (IS_ENABLED(CONFIG_INT340X_THERMAL))
  34                 acpi_create_platform_device(adev, NULL);
  35         /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
  36         else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
  37                  id->driver_data == INT3401_DEVICE)
  38                 acpi_create_platform_device(adev, NULL);
  39         return 1;
  40 }
  41
  42 static struct acpi_scan_handler int340x_thermal_handler = {
  43         .ids = int340x_thermal_device_ids,
  44         .attach = int340x_thermal_handler_attach,
  45 };
  46
  47 void __init acpi_int340x_thermal_init(void)
  48 {
  49         acpi_scan_add_handler(&int340x_thermal_handler);
  50 }