Prepare v2023.10
[platform/kernel/u-boot.git] / include / fsl-mc / fsl_dpbp.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Freescale Layerscape MC I/O wrapper
4  * Data Path Buffer Pool API
5  *  Contains initialization APIs and runtime control APIs for DPBP
6  *
7  * Copyright 2013-2016 Freescale Semiconductor, Inc.
8  * Copyright 2017-2023 NXP
9  */
10
11 #ifndef __FSL_DPBP_H
12 #define __FSL_DPBP_H
13
14 /* DPBP Version */
15 #define DPBP_VER_MAJOR                          3
16 #define DPBP_VER_MINOR                          3
17
18 /* Command IDs */
19 #define DPBP_CMDID_CLOSE                                0x8001
20 #define DPBP_CMDID_OPEN                                 0x8041
21 #define DPBP_CMDID_CREATE                               0x9041
22 #define DPBP_CMDID_DESTROY                              0x9841
23 #define DPBP_CMDID_GET_API_VERSION                      0xa041
24
25 #define DPBP_CMDID_ENABLE                               0x0021
26 #define DPBP_CMDID_DISABLE                              0x0031
27 #define DPBP_CMDID_GET_ATTR                             0x0041
28 #define DPBP_CMDID_RESET                                0x0051
29
30 #pragma pack(push, 1)
31
32 struct dpbp_cmd_open {
33         __le32 dpbp_id;
34 };
35
36 struct dpbp_cmd_destroy {
37         __le32 object_id;
38 };
39
40 struct dpbp_rsp_get_attributes {
41         __le16 pad;
42         __le16 bpid;
43         __le32 id;
44 };
45
46 #pragma pack(pop)
47
48 struct fsl_mc_io;
49
50 int dpbp_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpbp_id, u16 *token);
51
52 int dpbp_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
53
54 /**
55  * struct dpbp_cfg - Structure representing DPBP configuration
56  * @options:    place holder
57  */
58 struct dpbp_cfg {
59         u32 options;
60 };
61
62 int dpbp_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
63                 const struct dpbp_cfg *cfg, u32 *obj_id);
64
65 int dpbp_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
66                  u32 obj_id);
67
68 int dpbp_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
69
70 int dpbp_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
71
72 int dpbp_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
73
74 /**
75  * struct dpbp_attr - Structure representing DPBP attributes
76  * @id:         DPBP object ID
77  * @version:    DPBP version
78  * @bpid:       Hardware buffer pool ID; should be used as an argument in
79  *              acquire/release operations on buffers
80  */
81 struct dpbp_attr {
82         u32 id;
83         u16 bpid;
84 };
85
86 int dpbp_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
87                         struct dpbp_attr *attr);
88
89 int dpbp_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
90                          u16 *major_ver, u16 *minor_ver);
91
92 #endif /* __FSL_DPBP_H */