msm-4.14/include/linux/msm_bus_rules.h
David Dai 95f9d86f18 msm: msm_bus: Add snapshot of msm_bus driver
This is a snapshot of the msm_bus driver as of msm-4.9
commit 'd98d9ee864a3982fd03c1ed56688b7d57fc4dcf2'.

Change-Id: I8fd31e95ab83205cb8b048ebbc7af2e9fbed62a4
Signed-off-by: David Dai <daidavid1@codeaurora.org>
2017-08-21 15:02:37 -07:00

64 lines
1.6 KiB
C

/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ARCH_ARM_MACH_MSM_BUS_RULES_H
#define _ARCH_ARM_MACH_MSM_BUS_RULES_H
#include <linux/types.h>
#include <linux/list.h>
#include <linux/notifier.h>
#include <dt-bindings/msm/msm-bus-rule-ops.h>
#define MAX_NODES (5)
struct rule_update_path_info {
u32 id;
u64 ab;
u64 ib;
u64 clk;
bool added;
struct list_head link;
};
struct rule_apply_rcm_info {
u32 id;
u64 lim_bw;
int throttle;
bool after_clk_commit;
struct list_head link;
};
struct bus_rule_type {
int num_src;
int *src_id;
int src_field;
int op;
u64 thresh;
int num_dst;
int *dst_node;
u64 dst_bw;
int mode;
void *client_data;
};
void msm_rule_register(int num_rules, struct bus_rule_type *rule,
struct notifier_block *nb);
void msm_rule_unregister(int num_rules, struct bus_rule_type *rule,
struct notifier_block *nb);
bool msm_rule_update(struct bus_rule_type *old_rule,
struct bus_rule_type *new_rule,
struct notifier_block *nb);
void msm_rule_evaluate_rules(int node);
void print_rules_buf(char *buf, int count);
bool msm_rule_are_rules_registered(void);
#endif /* _ARCH_ARM_MACH_MSM_BUS_RULES_H */