xref: /openbmc/linux/include/acpi/acpi_lpat.h (revision 4e174665)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * acpi_lpat.h - LPAT table processing functions
4  *
5  * Copyright (C) 2015 Intel Corporation. All rights reserved.
6  */
7 
8 #ifndef ACPI_LPAT_H
9 #define ACPI_LPAT_H
10 
11 struct acpi_lpat {
12 	int temp;
13 	int raw;
14 };
15 
16 struct acpi_lpat_conversion_table {
17 	struct acpi_lpat *lpat;
18 	int lpat_count;
19 };
20 
21 #ifdef CONFIG_ACPI
22 
23 int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
24 			  int raw);
25 int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,
26 			  int temp);
27 struct acpi_lpat_conversion_table *acpi_lpat_get_conversion_table(acpi_handle
28 								  handle);
29 void acpi_lpat_free_conversion_table(struct acpi_lpat_conversion_table
30 				     *lpat_table);
31 
32 #else
33 static int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
34 				 int raw)
35 {
36 	return 0;
37 }
38 
39 static int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,
40 				 int temp)
41 {
42 	return 0;
43 }
44 
45 static struct acpi_lpat_conversion_table *acpi_lpat_get_conversion_table(
46 							acpi_handle handle)
47 {
48 	return NULL;
49 }
50 
51 static void acpi_lpat_free_conversion_table(struct acpi_lpat_conversion_table
52 					    *lpat_table)
53 {
54 }
55 
56 #endif
57 #endif
58