97fb5e8d9b
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 294 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DPU_HW_VBIF_H
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#define _DPU_HW_VBIF_H
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#include "dpu_hw_catalog.h"
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#include "dpu_hw_mdss.h"
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#include "dpu_hw_util.h"
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struct dpu_hw_vbif;
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/**
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* struct dpu_hw_vbif_ops : Interface to the VBIF hardware driver functions
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* Assumption is these functions will be called after clocks are enabled
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*/
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struct dpu_hw_vbif_ops {
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/**
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* set_limit_conf - set transaction limit config
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @rd: true for read limit; false for write limit
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* @limit: outstanding transaction limit
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*/
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void (*set_limit_conf)(struct dpu_hw_vbif *vbif,
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u32 xin_id, bool rd, u32 limit);
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/**
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* get_limit_conf - get transaction limit config
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @rd: true for read limit; false for write limit
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* @return: outstanding transaction limit
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*/
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u32 (*get_limit_conf)(struct dpu_hw_vbif *vbif,
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u32 xin_id, bool rd);
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/**
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* set_halt_ctrl - set halt control
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @enable: halt control enable
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*/
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void (*set_halt_ctrl)(struct dpu_hw_vbif *vbif,
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u32 xin_id, bool enable);
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/**
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* get_halt_ctrl - get halt control
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @return: halt control enable
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*/
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bool (*get_halt_ctrl)(struct dpu_hw_vbif *vbif,
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u32 xin_id);
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/**
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* set_qos_remap - set QoS priority remap
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @level: priority level
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* @remap_level: remapped level
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*/
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void (*set_qos_remap)(struct dpu_hw_vbif *vbif,
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u32 xin_id, u32 level, u32 remap_level);
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/**
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* set_mem_type - set memory type
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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* @value: memory type value
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*/
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void (*set_mem_type)(struct dpu_hw_vbif *vbif,
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u32 xin_id, u32 value);
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/**
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* clear_errors - clear any vbif errors
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* This function clears any detected pending/source errors
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* on the VBIF interface, and optionally returns the detected
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* error mask(s).
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* @vbif: vbif context driver
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* @pnd_errors: pointer to pending error reporting variable
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* @src_errors: pointer to source error reporting variable
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*/
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void (*clear_errors)(struct dpu_hw_vbif *vbif,
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u32 *pnd_errors, u32 *src_errors);
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/**
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* set_write_gather_en - set write_gather enable
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* @vbif: vbif context driver
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* @xin_id: client interface identifier
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*/
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void (*set_write_gather_en)(struct dpu_hw_vbif *vbif, u32 xin_id);
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};
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struct dpu_hw_vbif {
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/* base */
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struct dpu_hw_blk_reg_map hw;
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/* vbif */
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enum dpu_vbif idx;
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const struct dpu_vbif_cfg *cap;
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/* ops */
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struct dpu_hw_vbif_ops ops;
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};
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/**
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* dpu_hw_vbif_init - initializes the vbif driver for the passed interface idx
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* @idx: Interface index for which driver object is required
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* @addr: Mapped register io address of MDSS
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* @m: Pointer to mdss catalog data
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*/
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struct dpu_hw_vbif *dpu_hw_vbif_init(enum dpu_vbif idx,
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void __iomem *addr,
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const struct dpu_mdss_cfg *m);
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void dpu_hw_vbif_destroy(struct dpu_hw_vbif *vbif);
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#endif /*_DPU_HW_VBIF_H */
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