1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Texas Instruments TI-SCI Processor Controller Helper Functions |
4 | * |
5 | * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/ |
6 | * Suman Anna <s-anna@ti.com> |
7 | */ |
8 | |
9 | #ifndef REMOTEPROC_TI_SCI_PROC_H |
10 | #define REMOTEPROC_TI_SCI_PROC_H |
11 | |
12 | #include <linux/soc/ti/ti_sci_protocol.h> |
13 | |
14 | /** |
15 | * struct ti_sci_proc - structure representing a processor control client |
16 | * @sci: cached TI-SCI protocol handle |
17 | * @ops: cached TI-SCI proc ops |
18 | * @dev: cached client device pointer |
19 | * @proc_id: processor id for the consumer remoteproc device |
20 | * @host_id: host id to pass the control over for this consumer remoteproc |
21 | * device |
22 | */ |
23 | struct ti_sci_proc { |
24 | const struct ti_sci_handle *sci; |
25 | const struct ti_sci_proc_ops *ops; |
26 | struct device *dev; |
27 | u8 proc_id; |
28 | u8 host_id; |
29 | }; |
30 | |
31 | static inline int ti_sci_proc_request(struct ti_sci_proc *tsp) |
32 | { |
33 | int ret; |
34 | |
35 | ret = tsp->ops->request(tsp->sci, tsp->proc_id); |
36 | if (ret) |
37 | dev_err(tsp->dev, "ti-sci processor request failed: %d\n" , |
38 | ret); |
39 | return ret; |
40 | } |
41 | |
42 | static inline int ti_sci_proc_release(struct ti_sci_proc *tsp) |
43 | { |
44 | int ret; |
45 | |
46 | ret = tsp->ops->release(tsp->sci, tsp->proc_id); |
47 | if (ret) |
48 | dev_err(tsp->dev, "ti-sci processor release failed: %d\n" , |
49 | ret); |
50 | return ret; |
51 | } |
52 | |
53 | static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp) |
54 | { |
55 | int ret; |
56 | |
57 | ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id); |
58 | if (ret) |
59 | dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n" , |
60 | tsp->proc_id, tsp->host_id, ret); |
61 | return ret; |
62 | } |
63 | |
64 | static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp, |
65 | u64 boot_vector, |
66 | u32 cfg_set, u32 cfg_clr) |
67 | { |
68 | int ret; |
69 | |
70 | ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector, |
71 | cfg_set, cfg_clr); |
72 | if (ret) |
73 | dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n" , |
74 | ret); |
75 | return ret; |
76 | } |
77 | |
78 | static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp, |
79 | u32 ctrl_set, u32 ctrl_clr) |
80 | { |
81 | int ret; |
82 | |
83 | ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr); |
84 | if (ret) |
85 | dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n" , |
86 | ret); |
87 | return ret; |
88 | } |
89 | |
90 | static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp, |
91 | u64 *boot_vector, u32 *cfg_flags, |
92 | u32 *ctrl_flags, u32 *status_flags) |
93 | { |
94 | int ret; |
95 | |
96 | ret = tsp->ops->get_status(tsp->sci, tsp->proc_id, boot_vector, |
97 | cfg_flags, ctrl_flags, status_flags); |
98 | if (ret) |
99 | dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n" , |
100 | ret); |
101 | return ret; |
102 | } |
103 | |
104 | #endif /* REMOTEPROC_TI_SCI_PROC_H */ |
105 | |