1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __QCOM_SMEM_STATE__ |
3 | #define __QCOM_SMEM_STATE__ |
4 | |
5 | #include <linux/err.h> |
6 | |
7 | struct device_node; |
8 | struct qcom_smem_state; |
9 | |
10 | struct qcom_smem_state_ops { |
11 | int (*update_bits)(void *, u32, u32); |
12 | }; |
13 | |
14 | #ifdef CONFIG_QCOM_SMEM_STATE |
15 | |
16 | struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); |
17 | struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); |
18 | void qcom_smem_state_put(struct qcom_smem_state *); |
19 | |
20 | int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 value); |
21 | |
22 | struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, const struct qcom_smem_state_ops *ops, void *data); |
23 | void qcom_smem_state_unregister(struct qcom_smem_state *state); |
24 | |
25 | #else |
26 | |
27 | static inline struct qcom_smem_state *qcom_smem_state_get(struct device *dev, |
28 | const char *con_id, unsigned *bit) |
29 | { |
30 | return ERR_PTR(-EINVAL); |
31 | } |
32 | |
33 | static inline struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, |
34 | const char *con_id, |
35 | unsigned *bit) |
36 | { |
37 | return ERR_PTR(-EINVAL); |
38 | } |
39 | |
40 | static inline void qcom_smem_state_put(struct qcom_smem_state *state) |
41 | { |
42 | } |
43 | |
44 | static inline int qcom_smem_state_update_bits(struct qcom_smem_state *state, |
45 | u32 mask, u32 value) |
46 | { |
47 | return -EINVAL; |
48 | } |
49 | |
50 | static inline struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, |
51 | const struct qcom_smem_state_ops *ops, void *data) |
52 | { |
53 | return ERR_PTR(-EINVAL); |
54 | } |
55 | |
56 | static inline void qcom_smem_state_unregister(struct qcom_smem_state *state) |
57 | { |
58 | } |
59 | |
60 | #endif |
61 | |
62 | #endif |
63 | |