1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2016 Freescale Semiconductor, Inc.
4  * Copyright 2017~2018 NXP
5  *
6  * Header file containing the public API for the System Controller (SC)
7  * Miscellaneous (MISC) function.
8  *
9  * MISC_SVC (SVC) Miscellaneous Service
10  *
11  * Module for the Miscellaneous (MISC) service.
12  */
13 
14 #ifndef _SC_MISC_API_H
15 #define _SC_MISC_API_H
16 
17 #include <linux/firmware/imx/sci.h>
18 
19 /*
20  * This type is used to indicate RPC MISC function calls.
21  */
22 enum imx_misc_func {
23 	IMX_SC_MISC_FUNC_UNKNOWN = 0,
24 	IMX_SC_MISC_FUNC_SET_CONTROL = 1,
25 	IMX_SC_MISC_FUNC_GET_CONTROL = 2,
26 	IMX_SC_MISC_FUNC_SET_MAX_DMA_GROUP = 4,
27 	IMX_SC_MISC_FUNC_SET_DMA_GROUP = 5,
28 	IMX_SC_MISC_FUNC_SECO_IMAGE_LOAD = 8,
29 	IMX_SC_MISC_FUNC_SECO_AUTHENTICATE = 9,
30 	IMX_SC_MISC_FUNC_DEBUG_OUT = 10,
31 	IMX_SC_MISC_FUNC_WAVEFORM_CAPTURE = 6,
32 	IMX_SC_MISC_FUNC_BUILD_INFO = 15,
33 	IMX_SC_MISC_FUNC_UNIQUE_ID = 19,
34 	IMX_SC_MISC_FUNC_SET_ARI = 3,
35 	IMX_SC_MISC_FUNC_BOOT_STATUS = 7,
36 	IMX_SC_MISC_FUNC_BOOT_DONE = 14,
37 	IMX_SC_MISC_FUNC_OTP_FUSE_READ = 11,
38 	IMX_SC_MISC_FUNC_OTP_FUSE_WRITE = 17,
39 	IMX_SC_MISC_FUNC_SET_TEMP = 12,
40 	IMX_SC_MISC_FUNC_GET_TEMP = 13,
41 	IMX_SC_MISC_FUNC_GET_BOOT_DEV = 16,
42 	IMX_SC_MISC_FUNC_GET_BUTTON_STATUS = 18,
43 };
44 
45 /*
46  * Control Functions
47  */
48 
49 #ifdef CONFIG_IMX_SCU
50 int imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource,
51 			    u8 ctrl, u32 val);
52 
53 int imx_sc_misc_get_control(struct imx_sc_ipc *ipc, u32 resource,
54 			    u8 ctrl, u32 *val);
55 
56 int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource,
57 			bool enable, u64 phys_addr);
58 #else
imx_sc_misc_set_control(struct imx_sc_ipc * ipc,u32 resource,u8 ctrl,u32 val)59 static inline int imx_sc_misc_set_control(struct imx_sc_ipc *ipc,
60 					  u32 resource, u8 ctrl, u32 val)
61 {
62 	return -ENOTSUPP;
63 }
64 
imx_sc_misc_get_control(struct imx_sc_ipc * ipc,u32 resource,u8 ctrl,u32 * val)65 static inline int imx_sc_misc_get_control(struct imx_sc_ipc *ipc,
66 					  u32 resource, u8 ctrl, u32 *val)
67 {
68 	return -ENOTSUPP;
69 }
70 
imx_sc_pm_cpu_start(struct imx_sc_ipc * ipc,u32 resource,bool enable,u64 phys_addr)71 static inline int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource,
72 				      bool enable, u64 phys_addr)
73 {
74 	return -ENOTSUPP;
75 }
76 #endif
77 #endif /* _SC_MISC_API_H */
78