170 lines
5.4 KiB
C
170 lines
5.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __MMQOS_WRAPPER_H__
|
|
#define __MMQOS_WRAPPER_H__
|
|
|
|
#include <dt-bindings/interconnect/mtk,mmqos.h>
|
|
#include <linux/interconnect.h>
|
|
#include <soc/mediatek/mmqos.h>
|
|
#include "smi_master_port.h"
|
|
|
|
|
|
enum {
|
|
BW_COMP_NONE = 0,
|
|
BW_COMP_DEFAULT,
|
|
BW_COMP_END
|
|
};
|
|
|
|
enum virtual_source_id {
|
|
VIRTUAL_DISP = 0,
|
|
VIRTUAL_CCU_COMMON
|
|
};
|
|
|
|
struct mm_qos_request {
|
|
struct list_head owner_node; /* To update all master once */
|
|
u32 master_id; /* larb and port combination */
|
|
u32 bw_value; /* Master data BW */
|
|
u32 hrt_value; /* Master hrt BW */
|
|
u32 comp_type; /* compression type */
|
|
bool init; /* initialized check */
|
|
bool updated; /* update check */
|
|
struct icc_path *icc_path;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_INTERCONNECT_MTK_MMQOS_COMMON)
|
|
|
|
/**
|
|
* mm_qos_add_request - add mm_qos_request into owner_list
|
|
* call this API once when init driver for efficiency
|
|
* @owner_list: each caller should have its owner list, mmdvfs use this
|
|
* owner_list to update related setting at once.
|
|
* @req: mm_qos_request to be used for mm_qos mechanism.
|
|
* @master_id: master ID of this request, use SMI_PMQOS_ENC to construct it.
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_qos_add_request(struct list_head *owner_list,
|
|
struct mm_qos_request *req, u32 master_id);
|
|
|
|
/**
|
|
* mm_qos_set_request - set requirement to adjust system setting
|
|
* this API is only used to prepare the setting, call
|
|
* mm_qos_update_all_request to accurately update system setting.
|
|
* @req: mm_qos_request to be indicated for related master.
|
|
* @bw_value: mm qos requirement
|
|
* @hrt_value: mm qos HRT requirement
|
|
* @comp_type: if mm qos requirement has compression or not (BW_COMP_XXX)
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_qos_set_request(struct mm_qos_request *req,
|
|
u32 bw_value, u32 hrt_value, u32 comp_type);
|
|
|
|
/**
|
|
* mm_qos_set_bw_request - set mm qos bw requirement
|
|
* same as mm_qos_set_request, but configure bw_value only.
|
|
* @req: mm_qos_request to be indicated for related master.
|
|
* @bw_value: mm qos requirement
|
|
* @comp_type: if mm qos requirement has compression or not (BW_COMP_XXX)
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_qos_set_bw_request(struct mm_qos_request *req,
|
|
u32 bw_value, s32 comp_type);
|
|
|
|
/**
|
|
* mm_qos_set_hrt_request - set mm qos hrt requirement
|
|
* same as mm_qos_set_request, but configure hrt_value only.
|
|
* @req: mm_qos_request to be indicated for related master.
|
|
* @hrt_value: mm qos HRT requirement
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_qos_set_hrt_request(struct mm_qos_request *req, u32 hrt_value);
|
|
|
|
/**
|
|
* mm_qos_update_all_request - update configured requirement to system setting
|
|
* @owner_list: this list contains all mm_qos_request items from caller
|
|
*/
|
|
void mm_qos_update_all_request(struct list_head *owner_list);
|
|
|
|
/**
|
|
* mm_qos_remove_all_request - remove all mm_qos_request items from owner_list
|
|
* call this API once when exit driver for efficiency
|
|
* @owner_list: this list contains all mm_qos_request items from caller.
|
|
*/
|
|
void mm_qos_remove_all_request(struct list_head *owner_list);
|
|
|
|
/**
|
|
* mm_qos_update_all_request_zero - set zero to all mm_qos_request items of
|
|
* owner_list, and also call mm_qos_update_all_request to update
|
|
* system setting.
|
|
* Use this API when all requirements are ended.
|
|
* @owner_list: each caller should have its owner list, mmdvfs use this
|
|
* owner_list to update related setting at once.
|
|
*/
|
|
void mm_qos_update_all_request_zero(struct list_head *owner_list);
|
|
|
|
/**
|
|
* mm_hrt_get_available_hrt_bw - return available HRT BW of the larb with
|
|
* master_id.
|
|
* Return value=Total available HRT BW-HRT BW of the larb with master_id
|
|
* @master_id: master ID of this request, use SMI_PMQOS_ENC to construct it.
|
|
*
|
|
* Returns BW in MB/s, or negative value if dram info is not ready
|
|
*/
|
|
s32 mm_hrt_get_available_hrt_bw(u32 master_id);
|
|
|
|
/**
|
|
* mm_hrt_add_bw_throttle_notifier - register a notifier_block to receive
|
|
* notification when BW is needed to throttle.
|
|
* @nb: pointer of notifier_block
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_hrt_add_bw_throttle_notifier(struct notifier_block *nb);
|
|
|
|
/**
|
|
* mm_hrt_remove_bw_throttle_notifier - unregister the notifier_block
|
|
* @nb: pointer of notifier_block
|
|
*
|
|
* Returns 0, or -errno
|
|
*/
|
|
s32 mm_hrt_remove_bw_throttle_notifier(struct notifier_block *nb);
|
|
|
|
|
|
s32 get_virtual_port(enum virtual_source_id id);
|
|
#else
|
|
static inline s32 mm_qos_add_request(struct list_head *owner_list,
|
|
struct mm_qos_request *req, u32 master_id)
|
|
{ return 0; }
|
|
static inline s32 mm_qos_set_request(struct mm_qos_request *req, u32 bw_value,
|
|
u32 hrt_value, s32 comp_type)
|
|
{ return 0; }
|
|
static inline s32 mm_qos_set_bw_request(struct mm_qos_request *req,
|
|
u32 bw_value, s32 comp_type)
|
|
{ return 0; }
|
|
static inline s32 mm_qos_set_hrt_request(struct mm_qos_request *req,
|
|
u32 hrt_value)
|
|
{ return 0; }
|
|
static inline void mm_qos_update_all_request(struct list_head *owner_list)
|
|
{ return; }
|
|
static inline void mm_qos_remove_all_request(struct list_head *owner_list)
|
|
{ return; }
|
|
static inline void mm_qos_update_all_request_zero(
|
|
struct list_head *owner_list)
|
|
{ return; }
|
|
static inline s32 mm_hrt_get_available_hrt_bw(u32 master_id)
|
|
{ return -1; }
|
|
static inline s32 mm_hrt_add_bw_throttle_notifier(struct notifier_block *nb)
|
|
{ return 0; }
|
|
static inline s32 mm_hrt_remove_bw_throttle_notifier(struct notifier_block *nb)
|
|
{ return 0; }
|
|
static inline s32 get_virtual_port(enum virtual_source_id id)
|
|
{ return 0; }
|
|
#endif
|
|
#endif /* __MMQOS_WRAPPER_H__ */
|