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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.4 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.5 * Copyright (C) 2013 Red Hat6 * Author: Rob Clark <robdclark@gmail.com>7 */8 9#ifndef __DPU_ENCODER_H__10#define __DPU_ENCODER_H__11 12#include <drm/drm_crtc.h>13#include "dpu_hw_mdss.h"14 15#define DPU_ENCODER_FRAME_EVENT_DONE BIT(0)16#define DPU_ENCODER_FRAME_EVENT_ERROR BIT(1)17#define DPU_ENCODER_FRAME_EVENT_PANEL_DEAD BIT(2)18#define DPU_ENCODER_FRAME_EVENT_IDLE BIT(3)19 20#define IDLE_TIMEOUT (66 - 16/2)21 22/**23 * struct msm_display_info - defines display properties24 * @intf_type: INTF_ type25 * @num_of_h_tiles: Number of horizontal tiles in case of split interface26 * @h_tile_instance: Controller instance used per tile. Number of elements is27 * based on num_of_h_tiles28 * @is_cmd_mode Boolean to indicate if the CMD mode is requested29 * @vsync_source: Source of the TE signal for DSI CMD devices30 */31struct msm_display_info {32 enum dpu_intf_type intf_type;33 uint32_t num_of_h_tiles;34 uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];35 bool is_cmd_mode;36 enum dpu_vsync_source vsync_source;37};38 39/**40 * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to41 * @encoder: encoder pointer42 * @crtc: crtc pointer43 */44void dpu_encoder_assign_crtc(struct drm_encoder *encoder,45 struct drm_crtc *crtc);46 47/**48 * dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if49 * the encoder is assigned to the given crtc50 * @encoder: encoder pointer51 * @crtc: crtc pointer52 * @enable: true if vblank should be enabled53 */54void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder,55 struct drm_crtc *crtc, bool enable);56 57/**58 * dpu_encoder_prepare_for_kickoff - schedule double buffer flip of the ctl59 * path (i.e. ctl flush and start) at next appropriate time.60 * Immediately: if no previous commit is outstanding.61 * Delayed: Block until next trigger can be issued.62 * @encoder: encoder pointer63 */64void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder);65 66/**67 * dpu_encoder_trigger_kickoff_pending - Clear the flush bits from previous68 * kickoff and trigger the ctl prepare progress for command mode display.69 * @encoder: encoder pointer70 */71void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *encoder);72 73/**74 * dpu_encoder_kickoff - trigger a double buffer flip of the ctl path75 * (i.e. ctl flush and start) immediately.76 * @encoder: encoder pointer77 */78void dpu_encoder_kickoff(struct drm_encoder *encoder);79 80/**81 * dpu_encoder_wakeup_time - get the time of the next vsync82 */83int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time);84 85int dpu_encoder_wait_for_commit_done(struct drm_encoder *drm_encoder);86 87int dpu_encoder_wait_for_tx_complete(struct drm_encoder *drm_encoder);88 89/*90 * dpu_encoder_get_intf_mode - get interface mode of the given encoder91 * @encoder: Pointer to drm encoder object92 */93enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder);94 95/**96 * dpu_encoder_virt_runtime_resume - pm runtime resume the encoder configs97 * @encoder: encoder pointer98 */99void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);100 101/**102 * dpu_encoder_init - initialize virtual encoder object103 * @dev: Pointer to drm device structure104 * @drm_enc_mode: corresponding DRM_MODE_ENCODER_* constant105 * @disp_info: Pointer to display information structure106 * Returns: Pointer to newly created drm encoder107 */108struct drm_encoder *dpu_encoder_init(struct drm_device *dev,109 int drm_enc_mode,110 struct msm_display_info *disp_info);111 112/**113 * dpu_encoder_set_idle_timeout - set the idle timeout for video114 * and command mode encoders.115 * @drm_enc: Pointer to previously created drm encoder structure116 * @idle_timeout: idle timeout duration in milliseconds117 */118void dpu_encoder_set_idle_timeout(struct drm_encoder *drm_enc,119 u32 idle_timeout);120/**121 * dpu_encoder_get_linecount - get interface line count for the encoder.122 * @drm_enc: Pointer to previously created drm encoder structure123 */124int dpu_encoder_get_linecount(struct drm_encoder *drm_enc);125 126/**127 * dpu_encoder_get_vsync_count - get vsync count for the encoder.128 * @drm_enc: Pointer to previously created drm encoder structure129 */130int dpu_encoder_get_vsync_count(struct drm_encoder *drm_enc);131 132/**133 * dpu_encoder_is_widebus_enabled - return bool value if widebus is enabled134 * @drm_enc: Pointer to previously created drm encoder structure135 */136bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc);137 138/**139 * dpu_encoder_is_dsc_enabled - indicate whether dsc is enabled140 * for the encoder.141 * @drm_enc: Pointer to previously created drm encoder structure142 */143bool dpu_encoder_is_dsc_enabled(const struct drm_encoder *drm_enc);144 145/**146 * dpu_encoder_get_crc_values_cnt - get number of physical encoders contained147 * in virtual encoder that can collect CRC values148 * @drm_enc: Pointer to previously created drm encoder structure149 * Returns: Number of physical encoders for given drm encoder150 */151int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc);152 153/**154 * dpu_encoder_setup_misr - enable misr calculations155 * @drm_enc: Pointer to previously created drm encoder structure156 */157void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder);158 159/**160 * dpu_encoder_get_crc - get the crc value from interface blocks161 * @drm_enc: Pointer to previously created drm encoder structure162 * Returns: 0 on success, error otherwise163 */164int dpu_encoder_get_crc(const struct drm_encoder *drm_enc, u32 *crcs, int pos);165 166/**167 * dpu_encoder_use_dsc_merge - returns true if the encoder uses DSC merge topology.168 * @drm_enc: Pointer to previously created drm encoder structure169 */170bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc);171 172/**173 * dpu_encoder_prepare_wb_job - prepare writeback job for the encoder.174 * @drm_enc: Pointer to previously created drm encoder structure175 * @job: Pointer to the current drm writeback job176 */177void dpu_encoder_prepare_wb_job(struct drm_encoder *drm_enc,178 struct drm_writeback_job *job);179 180/**181 * dpu_encoder_cleanup_wb_job - cleanup writeback job for the encoder.182 * @drm_enc: Pointer to previously created drm encoder structure183 * @job: Pointer to the current drm writeback job184 */185void dpu_encoder_cleanup_wb_job(struct drm_encoder *drm_enc,186 struct drm_writeback_job *job);187 188/**189 * dpu_encoder_is_valid_for_commit - check if encode has valid parameters for commit.190 * @drm_enc: Pointer to drm encoder structure191 */192bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc);193 194#endif /* __DPU_ENCODER_H__ */195