mirror of
https://github.com/rd-stuffs/msm-4.14.git
synced 2025-02-20 11:45:48 +08:00
878e0b1575
This a snapshot of mdp and dsi driver fixs from msm-4.4
as of 'commit 3dd5febeecd1 ("fbdev: msm: Call vsync_handler
only after ctl start"). These changes bring in all display
features and bug fixes for SDM660 and msm8998 from msm-4.4.
On top of this, additional changes were done to adapt the
display driver to iommu,sync framework changes in msm-4.14.
Change-Id: I6d4aabb5f2f156c701209352f3364999bb91fd60
Signed-off-by: Raghavendra Ambadas <rambad@codeaurora.org>
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright (c) 2017, 2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef MDSS_SMMU_EXT_H
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#define MDSS_SMMU_EXT_H
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/**
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* struct msm_smmu:interface exposed to the clients which use smmu driver.
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* @dev: smmu device for attach/dettach
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* @domain: domain for the context bank.
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* @is_secure: bool variable to check for secure domain.
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* @iommu_ctrl: iommu ctrl function for enable/disable attach.
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* @secure_session_ctrl: ctrl function for enable/disable session.
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* @wait_for_transition:function to wait till secure transtion is complete.
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* @reg_lock /reg_unlock: Lock to access shared registers.
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*/
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struct mdss_smmu_intf {
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struct device *dev;
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int domain;
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bool is_secure;
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int (*iommu_ctrl)(int);
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int (*secure_session_ctrl)(int);
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int (*wait_for_transition)(int state, int request);
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void (*reg_lock)(void);
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void (*reg_unlock)(void);
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bool (*handoff_pending)(void);
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};
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typedef void (*msm_smmu_handler_t) (struct mdss_smmu_intf *smmu);
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/**
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* mdss_smmu_request_mappings: function to request smmu mappings.
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* Client driver can request smmu dev via this API.
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* dev will be returned in the same call context
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* if probe is not finished then dev will be
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* returned once it is completed.
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* @callback: callback function that is called to return smmu
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* dev
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*/
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#ifdef CONFIG_FB_MSM_MDSS
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int mdss_smmu_request_mappings(msm_smmu_handler_t callback);
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#else
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static inline int mdss_smmu_request_mappings(msm_smmu_handler_t callback)
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{
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return 0;
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}
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#endif
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#endif /* MDSS_SMMU_EXT_H */
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