2019-04-02 17:23:55 -04:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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2019-10-14 17:17:34 -04:00
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* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
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2019-04-02 17:23:55 -04:00
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*/
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#ifndef _SDE_HW_CTL_H
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#define _SDE_HW_CTL_H
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#include "sde_hw_mdss.h"
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#include "sde_hw_util.h"
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#include "sde_hw_catalog.h"
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#include "sde_hw_sspp.h"
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#include "sde_hw_blk.h"
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2019-04-22 15:34:54 -04:00
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#define INVALID_CTL_STATUS 0xfffff88e
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2019-05-22 19:23:41 -04:00
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#define CTL_MAX_DSPP_COUNT (DSPP_MAX - DSPP_0)
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2019-04-22 15:34:54 -04:00
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2019-04-02 17:23:55 -04:00
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/**
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* sde_ctl_mode_sel: Interface mode selection
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* SDE_CTL_MODE_SEL_VID: Video mode interface
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* SDE_CTL_MODE_SEL_CMD: Command mode interface
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*/
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enum sde_ctl_mode_sel {
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SDE_CTL_MODE_SEL_VID = 0,
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SDE_CTL_MODE_SEL_CMD
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};
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/**
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* sde_ctl_rot_op_mode - inline rotation mode
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* SDE_CTL_ROT_OP_MODE_OFFLINE: offline rotation
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* SDE_CTL_ROT_OP_MODE_RESERVED: reserved
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* SDE_CTL_ROT_OP_MODE_INLINE_SYNC: inline rotation synchronous mode
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* SDE_CTL_ROT_OP_MODE_INLINE_ASYNC: inline rotation asynchronous mode
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*/
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enum sde_ctl_rot_op_mode {
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SDE_CTL_ROT_OP_MODE_OFFLINE,
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SDE_CTL_ROT_OP_MODE_RESERVED,
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SDE_CTL_ROT_OP_MODE_INLINE_SYNC,
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SDE_CTL_ROT_OP_MODE_INLINE_ASYNC,
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};
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2019-11-12 09:47:26 -05:00
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/**
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* ctl_hw_flush_type - active ctl hw types
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* SDE_HW_FLUSH_WB: WB block
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* SDE_HW_FLUSH_DSC: DSC block
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* SDE_HW_FLUSH_VDC: VDC bits of DSC block
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* SDE_HW_FLUSH_MERGE_3D: Merge 3D block
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* SDE_HW_FLUSH_CDM: CDM block
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* SDE_HW_FLUSH_CWB: CWB block
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* SDE_HW_FLUSH_PERIPH: Peripheral
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* SDE_HW_FLUSH_INTF: Interface
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*/
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enum ctl_hw_flush_type {
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SDE_HW_FLUSH_WB,
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SDE_HW_FLUSH_DSC,
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SDE_HW_FLUSH_VDC,
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SDE_HW_FLUSH_MERGE_3D,
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SDE_HW_FLUSH_CDM,
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SDE_HW_FLUSH_CWB,
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SDE_HW_FLUSH_PERIPH,
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SDE_HW_FLUSH_INTF,
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SDE_HW_FLUSH_MAX
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};
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2019-04-02 17:23:55 -04:00
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struct sde_hw_ctl;
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/**
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* struct sde_hw_stage_cfg - blending stage cfg
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* @stage : SSPP_ID at each stage
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* @multirect_index: index of the rectangle of SSPP.
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*/
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struct sde_hw_stage_cfg {
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enum sde_sspp stage[SDE_STAGE_MAX][PIPES_PER_STAGE];
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enum sde_sspp_multirect_index multirect_index
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[SDE_STAGE_MAX][PIPES_PER_STAGE];
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};
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/**
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* struct sde_hw_intf_cfg :Describes how the SDE writes data to output interface
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* @intf : Interface id
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* @wb: Writeback id
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* @mode_3d: 3d mux configuration
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* @intf_mode_sel: Interface mode, cmd / vid
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* @stream_sel: Stream selection for multi-stream interfaces
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*/
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struct sde_hw_intf_cfg {
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enum sde_intf intf;
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enum sde_wb wb;
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enum sde_3d_blend_mode mode_3d;
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enum sde_ctl_mode_sel intf_mode_sel;
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int stream_sel;
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};
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/**
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* struct sde_hw_intf_cfg_v1 :Describes the data strcuture to configure the
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* output interfaces for a particular display on a
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* platform which supports ctl path version 1.
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* @intf_count: No. of active interfaces for this display
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* @intf : Interface ids of active interfaces
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* @intf_mode_sel: Interface mode, cmd / vid
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* @intf_master: Master interface for split display
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* @wb_count: No. of active writebacks
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* @wb: Writeback ids of active writebacks
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* @merge_3d_count No. of active merge_3d blocks
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* @merge_3d: Id of the active merge 3d blocks
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* @cwb_count: No. of active concurrent writebacks
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* @cwb: Id of active cwb blocks
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* @cdm_count: No. of active chroma down module
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* @cdm: Id of active cdm blocks
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2019-10-09 17:20:38 -04:00
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* @dsc_count: No. of active dsc blocks
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* @dsc: Id of active dsc blocks
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2019-08-29 22:35:31 -04:00
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* @vdc_count: No. of active vdc blocks
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* @vdc: Id of active vdc blocks
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2019-04-02 17:23:55 -04:00
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*/
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struct sde_hw_intf_cfg_v1 {
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uint32_t intf_count;
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enum sde_intf intf[MAX_INTF_PER_CTL_V1];
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enum sde_ctl_mode_sel intf_mode_sel;
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enum sde_intf intf_master;
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uint32_t wb_count;
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enum sde_wb wb[MAX_WB_PER_CTL_V1];
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uint32_t merge_3d_count;
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enum sde_merge_3d merge_3d[MAX_MERGE_3D_PER_CTL_V1];
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uint32_t cwb_count;
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enum sde_cwb cwb[MAX_CWB_PER_CTL_V1];
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uint32_t cdm_count;
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enum sde_cdm cdm[MAX_CDM_PER_CTL_V1];
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uint32_t dsc_count;
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enum sde_dsc dsc[MAX_DSC_PER_CTL_V1];
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2019-08-29 22:35:31 -04:00
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uint32_t vdc_count;
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enum sde_vdc vdc[MAX_VDC_PER_CTL_V1];
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2019-04-02 17:23:55 -04:00
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};
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/**
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* struct sde_ctl_flush_cfg - struct describing flush configuration managed
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* via set, trigger and clear ops.
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* set ops corresponding to the hw_block is called, when the block's
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* configuration is changed and needs to be committed on Hw. Flush mask caches
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* the different bits for the ongoing commit.
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* clear ops clears the bitmask and cancels the update to the corresponding
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* hw block.
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* trigger op will trigger the update on the hw for the blocks cached in the
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* pending flush mask.
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*
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* @pending_flush_mask: pending ctl_flush
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* CTL path version SDE_CTL_CFG_VERSION_1_0_0 has * two level flush mechanism
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* for lower pipe controls. individual control should be flushed before
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* exercising top level flush
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2019-11-12 09:47:26 -05:00
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* @pending_hw_flush_mask: pending flush mask for each active HW blk
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2019-05-22 19:23:41 -04:00
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* @pending_dspp_flush_masks: pending flush masks for sub-blks of each DSPP
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2019-04-02 17:23:55 -04:00
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*/
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struct sde_ctl_flush_cfg {
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u32 pending_flush_mask;
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2019-11-12 09:47:26 -05:00
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u32 pending_hw_flush_mask[SDE_HW_FLUSH_MAX];
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2019-05-22 19:23:41 -04:00
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u32 pending_dspp_flush_masks[CTL_MAX_DSPP_COUNT];
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2019-04-02 17:23:55 -04:00
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};
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/**
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* struct sde_hw_ctl_ops - Interface to the wb Hw 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_ctl_ops {
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/**
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* kickoff hw operation for Sw controlled interfaces
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* DSI cmd mode and WB interface are SW controlled
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* @ctx : ctl path ctx pointer
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* @Return: error code
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*/
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int (*trigger_start)(struct sde_hw_ctl *ctx);
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/**
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* kickoff prepare is in progress hw operation for sw
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* controlled interfaces: DSI cmd mode and WB interface
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* are SW controlled
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* @ctx : ctl path ctx pointer
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* @Return: error code
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*/
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int (*trigger_pending)(struct sde_hw_ctl *ctx);
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/**
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* kickoff rotator operation for Sw controlled interfaces
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* DSI cmd mode and WB interface are SW controlled
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* @ctx : ctl path ctx pointer
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* @Return: error code
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*/
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int (*trigger_rot_start)(struct sde_hw_ctl *ctx);
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/**
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* enable/disable UIDLE feature
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* @ctx : ctl path ctx pointer
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* @enable: true to enable the feature
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*/
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void (*uidle_enable)(struct sde_hw_ctl *ctx, bool enable);
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/**
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* Clear the value of the cached pending_flush_mask
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* No effect on hardware
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* @ctx : ctl path ctx pointer
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* @Return: error code
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*/
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int (*clear_pending_flush)(struct sde_hw_ctl *ctx);
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/**
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* Query the value of the cached pending_flush_mask
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* No effect on hardware
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* @ctx : ctl path ctx pointer
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* @cfg : current flush configuration
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* @Return: error code
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*/
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int (*get_pending_flush)(struct sde_hw_ctl *ctx,
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struct sde_ctl_flush_cfg *cfg);
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/**
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* OR in the given flushbits to the flush_cfg
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* No effect on hardware
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* @ctx : ctl path ctx pointer
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* @cfg : flush configuration pointer
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* @Return: error code
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*/
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int (*update_pending_flush)(struct sde_hw_ctl *ctx,
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struct sde_ctl_flush_cfg *cfg);
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/**
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* Write the value of the pending_flush_mask to hardware
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* @ctx : ctl path ctx pointer
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* @Return: error code
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*/
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int (*trigger_flush)(struct sde_hw_ctl *ctx);
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/**
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* Read the value of the flush register
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* @ctx : ctl path ctx pointer
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* @Return: value of the ctl flush register.
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*/
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u32 (*get_flush_register)(struct sde_hw_ctl *ctx);
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/**
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* Setup ctl_path interface config
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* @ctx
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* @cfg : interface config structure pointer
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* @Return: error code
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*/
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int (*setup_intf_cfg)(struct sde_hw_ctl *ctx,
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struct sde_hw_intf_cfg *cfg);
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/**
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* Reset ctl_path interface config
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* @ctx : ctl path ctx pointer
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* @cfg : interface config structure pointer
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* @merge_3d_idx : index of merge3d blk
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* @Return: error code
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*/
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int (*reset_post_disable)(struct sde_hw_ctl *ctx,
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struct sde_hw_intf_cfg_v1 *cfg, u32 merge_3d_idx);
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/** update cwb for ctl_path
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* @ctx : ctl path ctx pointer
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* @cfg : interface config structure pointer
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2019-10-09 17:14:42 -04:00
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* @enable : enable/disable the dynamic sub-blocks in interface cfg
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2019-04-02 17:23:55 -04:00
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* @Return: error code
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*/
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2019-10-09 17:14:42 -04:00
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int (*update_intf_cfg)(struct sde_hw_ctl *ctx,
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2019-07-09 19:29:11 -04:00
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struct sde_hw_intf_cfg_v1 *cfg, bool enable);
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2019-04-02 17:23:55 -04:00
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/**
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* Setup ctl_path interface config for SDE_CTL_ACTIVE_CFG
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* @ctx : ctl path ctx pointer
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* @cfg : interface config structure pointer
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* @Return: error code
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*/
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int (*setup_intf_cfg_v1)(struct sde_hw_ctl *ctx,
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struct sde_hw_intf_cfg_v1 *cfg);
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2019-08-29 22:35:31 -04:00
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/**
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* Update the interface selection with input WB config
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2019-04-02 17:23:55 -04:00
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* @ctx : ctl path ctx pointer
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* @cfg : pointer to input wb config
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* @enable : set if true, clear otherwise
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*/
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void (*update_wb_cfg)(struct sde_hw_ctl *ctx,
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struct sde_hw_intf_cfg *cfg, bool enable);
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int (*reset)(struct sde_hw_ctl *c);
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/**
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* get_reset - check ctl reset status bit
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* @ctx : ctl path ctx pointer
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* Returns: current value of ctl reset status
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*/
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u32 (*get_reset)(struct sde_hw_ctl *ctx);
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/**
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* get_scheduler_reset - check ctl scheduler status bit
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* @ctx : ctl path ctx pointer
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* Returns: current value of ctl scheduler and idle status
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*/
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u32 (*get_scheduler_status)(struct sde_hw_ctl *ctx);
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/**
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* hard_reset - force reset on ctl_path
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* @ctx : ctl path ctx pointer
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* @enable : whether to enable/disable hard reset
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*/
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void (*hard_reset)(struct sde_hw_ctl *c, bool enable);
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/*
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* wait_reset_status - checks ctl reset status
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* @ctx : ctl path ctx pointer
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*
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* This function checks the ctl reset status bit.
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* If the reset bit is set, it keeps polling the status till the hw
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* reset is complete.
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* Returns: 0 on success or -error if reset incomplete within interval
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*/
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int (*wait_reset_status)(struct sde_hw_ctl *ctx);
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/**
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* update_bitmask_sspp: updates mask corresponding to sspp
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* @blk : blk id
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* @enable : true to enable, 0 to disable
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*/
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int (*update_bitmask_sspp)(struct sde_hw_ctl *ctx,
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enum sde_sspp blk, bool enable);
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/**
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* update_bitmask_sspp: updates mask corresponding to sspp
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* @blk : blk id
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* @enable : true to enable, 0 to disable
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*/
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int (*update_bitmask_mixer)(struct sde_hw_ctl *ctx,
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enum sde_lm blk, bool enable);
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/**
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* update_bitmask_sspp: updates mask corresponding to sspp
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* @blk : blk id
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* @enable : true to enable, 0 to disable
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*/
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int (*update_bitmask_dspp)(struct sde_hw_ctl *ctx,
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enum sde_dspp blk, bool enable);
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/**
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* update_bitmask_sspp: updates mask corresponding to sspp
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* @blk : blk id
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* @enable : true to enable, 0 to disable
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*/
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int (*update_bitmask_dspp_pavlut)(struct sde_hw_ctl *ctx,
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enum sde_dspp blk, bool enable);
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2019-05-22 19:23:41 -04:00
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/**
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* Program DSPP sub block specific bit of dspp flush register.
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* @ctx : ctl path ctx pointer
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* @dspp : HW block ID of dspp block
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* @sub_blk : enum of DSPP sub block to flush
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* @enable : true to enable, 0 to disable
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*
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* This API is for CTL with DSPP flush hierarchy registers.
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*/
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int (*update_bitmask_dspp_subblk)(struct sde_hw_ctl *ctx,
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enum sde_dspp dspp, u32 sub_blk, bool enable);
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2019-04-02 17:23:55 -04:00
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/**
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* update_bitmask_sspp: updates mask corresponding to sspp
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* @blk : blk id
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* @enable : true to enable, 0 to disable
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*/
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int (*update_bitmask_rot)(struct sde_hw_ctl *ctx,
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enum sde_rot blk, bool enable);
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/**
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2019-11-12 09:47:26 -05:00
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* update_bitmask: updates flush mask
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* @type : blk type to flush
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* @blk_idx : blk idx
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2019-04-02 17:23:55 -04:00
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* @enable : true to enable, 0 to disable
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*/
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2019-11-12 09:47:26 -05:00
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int (*update_bitmask)(struct sde_hw_ctl *ctx,
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enum ctl_hw_flush_type type, u32 blk_idx, bool enable);
|
2019-04-02 17:23:55 -04:00
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/**
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* read CTL_TOP register value and return
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* the data.
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* @ctx : ctl path ctx pointer
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* @return : CTL top register value
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*/
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u32 (*read_ctl_top)(struct sde_hw_ctl *ctx);
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/**
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* get interfaces for the active CTL .
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* @ctx : ctl path ctx pointer
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* @return : bit mask with the active interfaces for the CTL
|
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|
*/
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u32 (*get_ctl_intf)(struct sde_hw_ctl *ctx);
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|
/**
|
|
|
|
* read CTL layers register value and return
|
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|
* the data.
|
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* @ctx : ctl path ctx pointer
|
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|
* @index : layer index for this ctl path
|
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|
* @return : CTL layers register value
|
|
|
|
*/
|
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|
|
u32 (*read_ctl_layers)(struct sde_hw_ctl *ctx, int index);
|
|
|
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|
2019-10-14 17:17:34 -04:00
|
|
|
/**
|
|
|
|
* read active register configuration for this block
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
* @blk : hw blk type, supported blocks are DSC, MERGE_3D, INTF,
|
|
|
|
* CDM, WB
|
|
|
|
* @index : blk index
|
|
|
|
* @return : true if blk at idx is active or false
|
|
|
|
*/
|
|
|
|
bool (*read_active_status)(struct sde_hw_ctl *ctx,
|
|
|
|
enum sde_hw_blk_type blk, int index);
|
|
|
|
|
2019-04-02 17:23:55 -04:00
|
|
|
/**
|
|
|
|
* Set all blend stages to disabled
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
*/
|
|
|
|
void (*clear_all_blendstages)(struct sde_hw_ctl *ctx);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Configure layer mixer to pipe configuration
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
* @lm : layer mixer enumeration
|
|
|
|
* @cfg : blend stage configuration
|
2020-01-30 18:44:10 -05:00
|
|
|
* @active_cfg: active no blend stage configuration
|
2019-04-02 17:23:55 -04:00
|
|
|
*/
|
|
|
|
void (*setup_blendstage)(struct sde_hw_ctl *ctx,
|
2020-01-30 18:44:10 -05:00
|
|
|
enum sde_lm lm, struct sde_hw_stage_cfg *cfg,
|
|
|
|
struct sde_hw_stage_cfg *active_cfg);
|
2019-04-02 17:23:55 -04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Get all the sspp staged on a layer mixer
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
* @lm : layer mixer enumeration
|
|
|
|
* @info : array address to populate connected sspp index info
|
|
|
|
* @info_max_cnt : maximum sspp info elements based on array size
|
|
|
|
* @Return: count of sspps info elements populated
|
|
|
|
*/
|
|
|
|
u32 (*get_staged_sspp)(struct sde_hw_ctl *ctx, enum sde_lm lm,
|
|
|
|
struct sde_sspp_index_info *info, u32 info_max_cnt);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Flush the reg dma by sending last command.
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
* @blocking : if set to true api will block until flush is done
|
|
|
|
* @Return: error code
|
|
|
|
*/
|
|
|
|
int (*reg_dma_flush)(struct sde_hw_ctl *ctx, bool blocking);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* check if ctl start trigger state to confirm the frame pending
|
|
|
|
* status
|
|
|
|
* @ctx : ctl path ctx pointer
|
|
|
|
* @Return: error code
|
|
|
|
*/
|
|
|
|
int (*get_start_state)(struct sde_hw_ctl *ctx);
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct sde_hw_ctl : CTL PATH driver object
|
|
|
|
* @base: hardware block base structure
|
|
|
|
* @hw: block register map object
|
|
|
|
* @idx: control path index
|
|
|
|
* @caps: control path capabilities
|
|
|
|
* @mixer_count: number of mixers
|
|
|
|
* @mixer_hw_caps: mixer hardware capabilities
|
|
|
|
* @flush: storage for pending ctl_flush managed via ops
|
|
|
|
* @ops: operation list
|
|
|
|
*/
|
|
|
|
struct sde_hw_ctl {
|
|
|
|
struct sde_hw_blk base;
|
|
|
|
struct sde_hw_blk_reg_map hw;
|
|
|
|
|
|
|
|
/* ctl path */
|
|
|
|
int idx;
|
|
|
|
const struct sde_ctl_cfg *caps;
|
|
|
|
int mixer_count;
|
|
|
|
const struct sde_lm_cfg *mixer_hw_caps;
|
|
|
|
struct sde_ctl_flush_cfg flush;
|
|
|
|
|
|
|
|
/* ops */
|
|
|
|
struct sde_hw_ctl_ops ops;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* sde_hw_ctl - convert base object sde_hw_base to container
|
|
|
|
* @hw: Pointer to base hardware block
|
|
|
|
* return: Pointer to hardware block container
|
|
|
|
*/
|
|
|
|
static inline struct sde_hw_ctl *to_sde_hw_ctl(struct sde_hw_blk *hw)
|
|
|
|
{
|
|
|
|
return container_of(hw, struct sde_hw_ctl, base);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* sde_hw_ctl_init(): Initializes the ctl_path hw driver object.
|
|
|
|
* should be called before accessing every ctl path registers.
|
|
|
|
* @idx: ctl_path index for which driver object is required
|
|
|
|
* @addr: mapped register io address of MDP
|
|
|
|
* @m : pointer to mdss catalog data
|
|
|
|
*/
|
|
|
|
struct sde_hw_ctl *sde_hw_ctl_init(enum sde_ctl idx,
|
|
|
|
void __iomem *addr,
|
|
|
|
struct sde_mdss_cfg *m);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* sde_hw_ctl_destroy(): Destroys ctl driver context
|
|
|
|
* should be called to free the context
|
|
|
|
*/
|
|
|
|
void sde_hw_ctl_destroy(struct sde_hw_ctl *ctx);
|
|
|
|
|
|
|
|
#endif /*_SDE_HW_CTL_H */
|