Eric Lee / smarc-fsl-linux-kernel

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include/linux/interconnect.h 2.88 KB

11f1ceca7 Georgi Djakov interconnect: Add...	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24	/* SPDX-License-Identifier: GPL-2.0 / / * Copyright (c) 2018-2019, Linaro Ltd. * Author: Georgi Djakov <georgi.djakov@linaro.org> / #ifndef __LINUX_INTERCONNECT_H #define __LINUX_INTERCONNECT_H #include <linux/mutex.h> #include <linux/types.h> / macros for converting to icc units / #define Bps_to_icc(x) ((x) / 1000) #define kBps_to_icc(x) (x) #define MBps_to_icc(x) ((x) 1000) #define GBps_to_icc(x) ((x) * 1000 * 1000) #define bps_to_icc(x) (1) #define kbps_to_icc(x) ((x) / 8 + ((x) % 8 ? 1 : 0)) #define Mbps_to_icc(x) ((x) * 1000 / 8) #define Gbps_to_icc(x) ((x) * 1000 * 1000 / 8) struct icc_path; struct device;
b41b0ce59 Georgi Djakov interconnect: Add...	25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45	/** * struct icc_bulk_data - Data used for bulk icc operations. * * @path: reference to the interconnect path (internal use) * @name: the name from the "interconnect-names" DT property * @avg_bw: average bandwidth in icc units * @peak_bw: peak bandwidth in icc units / struct icc_bulk_data { struct icc_path path; const char name; u32 avg_bw; u32 peak_bw; }; int __must_check of_icc_bulk_get(struct device dev, int num_paths, struct icc_bulk_data paths); void icc_bulk_put(int num_paths, struct icc_bulk_data paths); int icc_bulk_set_bw(int num_paths, const struct icc_bulk_data paths); int icc_bulk_enable(int num_paths, const struct icc_bulk_data paths); void icc_bulk_disable(int num_paths, const struct icc_bulk_data *paths);
11f1ceca7 Georgi Djakov interconnect: Add...	46 47 48 49	#if IS_ENABLED(CONFIG_INTERCONNECT) struct icc_path icc_get(struct device dev, const int src_id, const int dst_id);
87e3031b6 Georgi Djakov interconnect: All...	50	struct icc_path of_icc_get(struct device dev, const char *name);
e145d9a18 Akash Asthana interconnect: Add...	51	struct icc_path devm_of_icc_get(struct device dev, const char *name);
1597d4532 Georgi Djakov interconnect: Add...	52	struct icc_path of_icc_get_by_index(struct device dev, int idx);
11f1ceca7 Georgi Djakov interconnect: Add...	53	void icc_put(struct icc_path *path);
7d374b209 Georgi Djakov interconnect: Add...	54 55	int icc_enable(struct icc_path path); int icc_disable(struct icc_path path);
11f1ceca7 Georgi Djakov interconnect: Add...	56	int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw);
127ab2cc5 Georgi Djakov interconnect: Add...	57	void icc_set_tag(struct icc_path *path, u32 tag);
0430b1d57 Viresh Kumar opp: Expose bandw...	58	const char icc_get_name(struct icc_path path);
11f1ceca7 Georgi Djakov interconnect: Add...	59 60 61 62 63 64 65 66	#else static inline struct icc_path icc_get(struct device dev, const int src_id, const int dst_id) { return NULL; }
87e3031b6 Georgi Djakov interconnect: All...	67 68 69 70 71	static inline struct icc_path of_icc_get(struct device dev, const char *name) { return NULL; }
e145d9a18 Akash Asthana interconnect: Add...	72 73 74 75 76	static inline struct icc_path devm_of_icc_get(struct device dev, const char *name) { return NULL; }
1597d4532 Georgi Djakov interconnect: Add...	77 78 79 80	static inline struct icc_path of_icc_get_by_index(struct device dev, int idx) { return NULL; }
11f1ceca7 Georgi Djakov interconnect: Add...	81 82 83	static inline void icc_put(struct icc_path *path) { }
7d374b209 Georgi Djakov interconnect: Add...	84 85 86 87 88 89 90 91 92	static inline int icc_enable(struct icc_path path) { return 0; } static inline int icc_disable(struct icc_path path) { return 0; }
11f1ceca7 Georgi Djakov interconnect: Add...	93 94 95 96	static inline int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw) { return 0; }
127ab2cc5 Georgi Djakov interconnect: Add...	97 98 99	static inline void icc_set_tag(struct icc_path *path, u32 tag) { }
0430b1d57 Viresh Kumar opp: Expose bandw...	100 101 102 103	static inline const char icc_get_name(struct icc_path path) { return NULL; }
11f1ceca7 Georgi Djakov interconnect: Add...	104 105 106	#endif /* CONFIG_INTERCONNECT / #endif / __LINUX_INTERCONNECT_H */