change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/acpi/cppc_acpi.h
..
..
@@ -1,14 +1,10 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
1
2
 /*
2
3
  * CPPC (Collaborative Processor Performance Control) methods used
3
4
  * by CPUfreq drivers.
4
5
  *
5
6
  * (C) Copyright 2014, 2015 Linaro Ltd.
6
7
  * Author: Ashwin Chaugule <ashwin.chaugule@linaro.org>
7
- *
8
- * This program is free software; you can redistribute it and/or
9
- * modify it under the terms of the GNU General Public License
10
- * as published by the Free Software Foundation; version 2
11
- * of the License.
12
8
  */
13
9
 
14
10
 #ifndef _CPPC_ACPI_H
..
..
@@ -20,7 +16,7 @@
20
16
 #include <acpi/pcc.h>
21
17
 #include <acpi/processor.h>
22
18
 
23
-/* Support CPPCv2 and CPPCv3  */
19
+/* CPPCv2 and CPPCv3 support */
24
20
 #define CPPC_V2_REV	2
25
21
 #define CPPC_V3_REV	3
26
22
 #define CPPC_V2_NUM_ENT	21
..
..
@@ -104,6 +100,7 @@
104
100
  * today.
105
101
  */
106
102
 struct cppc_perf_caps {
103
+	u32 guaranteed_perf;
107
104
 	u32 highest_perf;
108
105
 	u32 nominal_perf;
109
106
 	u32 lowest_perf;
..
..
@@ -136,10 +133,14 @@
136
133
 	cpumask_var_t shared_cpu_map;
137
134
 };
138
135
 
136
+extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf);
139
137
 extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs);
140
138
 extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
141
139
 extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
142
140
 extern int acpi_get_psd_map(struct cppc_cpudata **);
143
141
 extern unsigned int cppc_get_transition_latency(int cpu);
142
+extern bool cpc_ffh_supported(void);
143
+extern int cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val);
144
+extern int cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val);
144
145
 
145
146
 #endif /* _CPPC_ACPI_H*/