linux/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 */

#ifndef __DPU_ENCODER_H__
#define __DPU_ENCODER_H__

#include <drm/drm_crtc.h>
#include "dpu_hw_mdss.h"

#define DPU_ENCODER_FRAME_EVENT_DONE			BIT(0)
#define DPU_ENCODER_FRAME_EVENT_ERROR			BIT(1)
#define DPU_ENCODER_FRAME_EVENT_PANEL_DEAD		BIT(2)
#define DPU_ENCODER_FRAME_EVENT_IDLE			BIT(3)

#define IDLE_TIMEOUT	(66 - 16/2)

#define MAX_H_TILES_PER_DISPLAY 2

/**
 * struct msm_display_info - defines display properties
 * @intf_type:          INTF_ type
 * @num_of_h_tiles:     Number of horizontal tiles in case of split interface
 * @h_tile_instance:    Controller instance used per tile. Number of elements is
 *                      based on num_of_h_tiles
 * @is_cmd_mode		Boolean to indicate if the CMD mode is requested
 * @vsync_source:	Source of the TE signal for DSI CMD devices
 */
struct msm_display_info {
	enum dpu_intf_type intf_type;
	uint32_t num_of_h_tiles;
	uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];
	bool is_cmd_mode;
	enum dpu_vsync_source vsync_source;
};

void dpu_encoder_assign_crtc(struct drm_encoder *encoder,
			     struct drm_crtc *crtc);

void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder,
					struct drm_crtc *crtc, bool enable);

void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder);

void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *encoder);

void dpu_encoder_kickoff(struct drm_encoder *encoder);

int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time);

int dpu_encoder_wait_for_commit_done(struct drm_encoder *drm_encoder);

int dpu_encoder_wait_for_tx_complete(struct drm_encoder *drm_encoder);

enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder);

void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);

uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc);

struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
		int drm_enc_mode,
		struct msm_display_info *disp_info);

int dpu_encoder_get_linecount(struct drm_encoder *drm_enc);

int dpu_encoder_get_vsync_count(struct drm_encoder *drm_enc);

bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc);

bool dpu_encoder_is_dsc_enabled(const struct drm_encoder *drm_enc);

int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc);

void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder);

int dpu_encoder_get_crc(const struct drm_encoder *drm_enc, u32 *crcs, int pos);

bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc);

void dpu_encoder_update_topology(struct drm_encoder *drm_enc,
				 struct msm_display_topology *topology,
				 struct drm_atomic_state *state,
				 const struct drm_display_mode *adj_mode);

bool dpu_encoder_needs_modeset(struct drm_encoder *drm_enc, struct drm_atomic_state *state);

void dpu_encoder_prepare_wb_job(struct drm_encoder *drm_enc,
		struct drm_writeback_job *job);

void dpu_encoder_cleanup_wb_job(struct drm_encoder *drm_enc,
		struct drm_writeback_job *job);

bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc);

void dpu_encoder_start_frame_done_timer(struct drm_encoder *drm_enc);
#endif /* __DPU_ENCODER_H__ */