xref: /openbmc/linux/include/soc/qcom/rpmh.h (revision b737eecd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
4  */
5 
6 #ifndef __SOC_QCOM_RPMH_H__
7 #define __SOC_QCOM_RPMH_H__
8 
9 #include <soc/qcom/tcs.h>
10 #include <linux/platform_device.h>
11 
12 
13 #if IS_ENABLED(CONFIG_QCOM_RPMH)
14 int rpmh_write(const struct device *dev, enum rpmh_state state,
15 	       const struct tcs_cmd *cmd, u32 n);
16 
17 int rpmh_write_async(const struct device *dev, enum rpmh_state state,
18 		     const struct tcs_cmd *cmd, u32 n);
19 
20 int rpmh_write_batch(const struct device *dev, enum rpmh_state state,
21 		     const struct tcs_cmd *cmd, u32 *n);
22 
23 void rpmh_invalidate(const struct device *dev);
24 
25 #else
26 
27 static inline int rpmh_write(const struct device *dev, enum rpmh_state state,
28 			     const struct tcs_cmd *cmd, u32 n)
29 { return -ENODEV; }
30 
31 static inline int rpmh_write_async(const struct device *dev,
32 				   enum rpmh_state state,
33 				   const struct tcs_cmd *cmd, u32 n)
34 { return -ENODEV; }
35 
36 static inline int rpmh_write_batch(const struct device *dev,
37 				   enum rpmh_state state,
38 				   const struct tcs_cmd *cmd, u32 *n)
39 { return -ENODEV; }
40 
41 static inline void rpmh_invalidate(const struct device *dev)
42 {
43 }
44 
45 #endif /* CONFIG_QCOM_RPMH */
46 
47 #endif /* __SOC_QCOM_RPMH_H__ */
48