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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
9460ae2f BA |
2 | #ifndef __QCOM_SMEM_STATE__ |
3 | #define __QCOM_SMEM_STATE__ | |
4 | ||
6c0b2e83 | 5 | #include <linux/err.h> |
e8b123e6 BA |
6 | |
7 | struct device_node; | |
9460ae2f BA |
8 | struct qcom_smem_state; |
9 | ||
10 | struct qcom_smem_state_ops { | |
11 | int (*update_bits)(void *, u32, u32); | |
12 | }; | |
13 | ||
e8b123e6 BA |
14 | #ifdef CONFIG_QCOM_SMEM_STATE |
15 | ||
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16 | struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); |
17 | void qcom_smem_state_put(struct qcom_smem_state *); | |
18 | ||
19 | int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 value); | |
20 | ||
21 | struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, const struct qcom_smem_state_ops *ops, void *data); | |
22 | void qcom_smem_state_unregister(struct qcom_smem_state *state); | |
23 | ||
e8b123e6 BA |
24 | #else |
25 | ||
26 | static inline struct qcom_smem_state *qcom_smem_state_get(struct device *dev, | |
27 | const char *con_id, unsigned *bit) | |
28 | { | |
29 | return ERR_PTR(-EINVAL); | |
30 | } | |
31 | ||
32 | static inline void qcom_smem_state_put(struct qcom_smem_state *state) | |
33 | { | |
34 | } | |
35 | ||
36 | static inline int qcom_smem_state_update_bits(struct qcom_smem_state *state, | |
37 | u32 mask, u32 value) | |
38 | { | |
39 | return -EINVAL; | |
40 | } | |
41 | ||
42 | static inline struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, | |
43 | const struct qcom_smem_state_ops *ops, void *data) | |
44 | { | |
45 | return ERR_PTR(-EINVAL); | |
46 | } | |
47 | ||
48 | static inline void qcom_smem_state_unregister(struct qcom_smem_state *state) | |
49 | { | |
50 | } | |
51 | ||
52 | #endif | |
53 | ||
9460ae2f | 54 | #endif |