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 	{"INT3532"},
28 	{"INTC1040"},
29 	{"INTC1041"},
30 	{"INTC1042"},
31 	{"INTC1043"},
32 	{"INTC1044"},
33 	{"INTC1045"},
34 	{"INTC1046"},
35 	{"INTC1047"},
36 	{"INTC1048"},
37 	{"INTC1049"},
38 	{"INTC1050"},
39 	{"INTC1060"},
40 	{"INTC1061"},
41 	{"INTC1062"},
42 	{"INTC1063"},
43 	{"INTC1064"},
44 	{"INTC1065"},
45 	{"INTC1066"},
46 	{"INTC10A0"},
47 	{"INTC10A1"},
48 	{"INTC10A2"},
49 	{"INTC10A3"},
50 	{"INTC10A4"},
51 	{"INTC10A5"},
52 	{""},
53 };
54 
int340x_thermal_handler_attach(struct acpi_device * adev,const struct acpi_device_id * id)55 static int int340x_thermal_handler_attach(struct acpi_device *adev,
56 					const struct acpi_device_id *id)
57 {
58 	if (IS_ENABLED(CONFIG_INT340X_THERMAL))
59 		acpi_create_platform_device(adev, NULL);
60 	/* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
61 	else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) &&
62 		 id->driver_data == INT3401_DEVICE)
63 		acpi_create_platform_device(adev, NULL);
64 	return 1;
65 }
66 
67 static struct acpi_scan_handler int340x_thermal_handler = {
68 	.ids = int340x_thermal_device_ids,
69 	.attach = int340x_thermal_handler_attach,
70 };
71 
acpi_int340x_thermal_init(void)72 void __init acpi_int340x_thermal_init(void)
73 {
74 	acpi_scan_add_handler(&int340x_thermal_handler);
75 }
76