109 lines
2.3 KiB
C
109 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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* Author: Ming-Fan Chen <ming-fan.chen@mediatek.com>
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*/
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#ifndef MMQOS_MTK_H
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#define MMQOS_MTK_H
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#include <linux/interconnect-provider.h>
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#include <linux/notifier.h>
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#include <linux/platform_device.h>
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#include <linux/workqueue.h>
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#include <soc/mediatek/mmqos.h>
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#define MMQOS_NO_LINK (0xffffffff)
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#define MMQOS_MAX_COMM_PORT_NUM (15)
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struct mmqos_hrt {
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u32 hrt_bw[HRT_TYPE_NUM];
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u32 hrt_total_bw;
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u32 cam_max_bw;
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u32 cam_occu_bw;
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bool blocking;
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struct delayed_work work;
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struct blocking_notifier_head hrt_bw_throttle_notifier;
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atomic_t lock_count;
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wait_queue_head_t hrt_wait;
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struct mutex blocking_lock;
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};
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struct mmqos_base_node {
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struct icc_node *icc_node;
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u32 mix_bw;
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};
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struct common_node {
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struct mmqos_base_node *base;
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const char *clk_name;
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struct clk *clk;
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u64 freq;
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struct list_head list;
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struct icc_path *icc_path;
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struct work_struct work;
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};
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struct common_port_node {
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struct mmqos_base_node *base;
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struct common_node *common;
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struct device *larb_dev;
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struct mutex bw_lock;
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u32 latest_mix_bw;
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u32 latest_peak_bw;
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u32 latest_avg_bw;
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struct list_head list;
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};
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struct larb_node {
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struct mmqos_base_node *base;
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struct device *larb_dev;
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};
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struct larb_port_node {
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struct mmqos_base_node *base;
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u16 bw_ratio;
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};
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struct mtk_mmqos {
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struct device *dev;
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struct icc_provider prov;
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struct notifier_block nb;
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struct list_head comm_list;
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struct list_head comm_port_list;
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struct workqueue_struct *wq;
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u32 max_ratio;
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bool qos_bound; /* Todo: Set qos_bound to true if necessary */
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};
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struct mtk_node_desc {
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const char *name;
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u32 id;
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u32 link;
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u16 bw_ratio;
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};
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struct mtk_mmqos_desc {
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const struct mtk_node_desc *nodes;
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const size_t num_nodes;
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const char * const *comm_muxes;
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const char * const *comm_icc_path_names;
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const u32 max_ratio;
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const struct mmqos_hrt hrt;
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};
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#define DEFINE_MNODE(_name, _id, _bw_ratio, _link) { \
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.name = #_name, \
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.id = _id, \
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.bw_ratio = _bw_ratio, \
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.link = _link, \
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}
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int mtk_mmqos_probe(struct platform_device *pdev);
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int mtk_mmqos_remove(struct platform_device *pdev);
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/* For HRT */
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void mtk_mmqos_init_hrt(struct mmqos_hrt *hrt);
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int mtk_mmqos_register_hrt_sysfs(struct device *dev);
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void mtk_mmqos_unregister_hrt_sysfs(struct device *dev);
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#endif /* MMQOS_MTK_H */
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