3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_HW_VBIF_H
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#define _SDE_HW_VBIF_H
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#include "sde_hw_catalog.h"
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#include "sde_hw_mdss.h"
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#include "sde_hw_util.h"
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struct sde_hw_vbif;
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/**
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* struct sde_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 sde_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 sde_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 sde_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 sde_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 sde_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 sde_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 sde_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 sde_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 sde_hw_vbif *vbif, u32 xin_id);
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};
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struct sde_hw_vbif {
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/* base */
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struct sde_hw_blk_reg_map hw;
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/* vbif */
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enum sde_vbif idx;
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const struct sde_vbif_cfg *cap;
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/* ops */
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struct sde_hw_vbif_ops ops;
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/*
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* vbif is common across all displays, lock to serialize access.
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* must be take by client before using any ops
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*/
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struct mutex mutex;
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};
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/**
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* sde_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 sde_hw_vbif *sde_hw_vbif_init(enum sde_vbif idx,
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void __iomem *addr,
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const struct sde_mdss_cfg *m);
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void sde_hw_vbif_destroy(struct sde_hw_vbif *vbif);
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#endif /*_SDE_HW_VBIF_H */
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