1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2016 Freescale Semiconductor, Inc.
4  * Copyright 2017-2020 NXP
5  *
6  * Header file containing the public API for the System Controller (SC)
7  * Resource Management (RM) function. This includes functions for
8  * partitioning resources, pads, and memory regions.
9  *
10  * RM_SVC (SVC) Resource Management Service
11  *
12  * Module for the Resource Management (RM) service.
13  */
14 
15 #ifndef _SC_RM_API_H
16 #define _SC_RM_API_H
17 
18 #include <linux/firmware/imx/sci.h>
19 
20 /*
21  * This type is used to indicate RPC RM function calls.
22  */
23 enum imx_sc_rm_func {
24 	IMX_SC_RM_FUNC_UNKNOWN = 0,
25 	IMX_SC_RM_FUNC_PARTITION_ALLOC = 1,
26 	IMX_SC_RM_FUNC_SET_CONFIDENTIAL = 31,
27 	IMX_SC_RM_FUNC_PARTITION_FREE = 2,
28 	IMX_SC_RM_FUNC_GET_DID = 26,
29 	IMX_SC_RM_FUNC_PARTITION_STATIC = 3,
30 	IMX_SC_RM_FUNC_PARTITION_LOCK = 4,
31 	IMX_SC_RM_FUNC_GET_PARTITION = 5,
32 	IMX_SC_RM_FUNC_SET_PARENT = 6,
33 	IMX_SC_RM_FUNC_MOVE_ALL = 7,
34 	IMX_SC_RM_FUNC_ASSIGN_RESOURCE = 8,
35 	IMX_SC_RM_FUNC_SET_RESOURCE_MOVABLE = 9,
36 	IMX_SC_RM_FUNC_SET_SUBSYS_RSRC_MOVABLE = 28,
37 	IMX_SC_RM_FUNC_SET_MASTER_ATTRIBUTES = 10,
38 	IMX_SC_RM_FUNC_SET_MASTER_SID = 11,
39 	IMX_SC_RM_FUNC_SET_PERIPHERAL_PERMISSIONS = 12,
40 	IMX_SC_RM_FUNC_IS_RESOURCE_OWNED = 13,
41 	IMX_SC_RM_FUNC_GET_RESOURCE_OWNER = 33,
42 	IMX_SC_RM_FUNC_IS_RESOURCE_MASTER = 14,
43 	IMX_SC_RM_FUNC_IS_RESOURCE_PERIPHERAL = 15,
44 	IMX_SC_RM_FUNC_GET_RESOURCE_INFO = 16,
45 	IMX_SC_RM_FUNC_MEMREG_ALLOC = 17,
46 	IMX_SC_RM_FUNC_MEMREG_SPLIT = 29,
47 	IMX_SC_RM_FUNC_MEMREG_FRAG = 32,
48 	IMX_SC_RM_FUNC_MEMREG_FREE = 18,
49 	IMX_SC_RM_FUNC_FIND_MEMREG = 30,
50 	IMX_SC_RM_FUNC_ASSIGN_MEMREG = 19,
51 	IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS = 20,
52 	IMX_SC_RM_FUNC_IS_MEMREG_OWNED = 21,
53 	IMX_SC_RM_FUNC_GET_MEMREG_INFO = 22,
54 	IMX_SC_RM_FUNC_ASSIGN_PAD = 23,
55 	IMX_SC_RM_FUNC_SET_PAD_MOVABLE = 24,
56 	IMX_SC_RM_FUNC_IS_PAD_OWNED = 25,
57 	IMX_SC_RM_FUNC_DUMP = 27,
58 };
59 
60 #if IS_ENABLED(CONFIG_IMX_SCU)
61 bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource);
62 int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt);
63 #else
64 static inline bool
imx_sc_rm_is_resource_owned(struct imx_sc_ipc * ipc,u16 resource)65 imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
66 {
67 	return true;
68 }
imx_sc_rm_get_resource_owner(struct imx_sc_ipc * ipc,u16 resource,u8 * pt)69 static inline int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
70 {
71 	return -EOPNOTSUPP;
72 }
73 #endif
74 #endif
75