text: /* Copyright (c) 2013-2014, 2016-2018, The Linux Foundation. All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 and
   * only version 2 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   */
  
  #ifndef MDP3_CTRL_H
  #define MDP3_CTRL_H
  
  #include <linux/types.h>
  #include <linux/mutex.h>
  #include <linux/completion.h>
  #include <linux/timer.h>
  #include <linux/kthread.h>
  
  #include "mdp3.h"
  #include "mdp3_dma.h"
  #include "mdss_fb.h"
  #include "mdss_panel.h"
  
  #define MDP3_MAX_BUF_QUEUE 8
  #define MDP3_LUT_HIST_EN 0x001
  #define MDP3_LUT_GC_EN 0x002
  
  struct mdp3_buffer_queue {
  	struct mdp3_img_data img_data[MDP3_MAX_BUF_QUEUE];
  	int count;
  	int push_idx;
  	int pop_idx;
  };
  
  struct mdp3_session_data {
  	struct mutex lock;
  	int status;
  	struct mdp3_dma *dma;
  	struct mdss_panel_data *panel;
  	struct mdp3_intf *intf;
  	struct msm_fb_data_type *mfd;
  	ktime_t vsync_time;
  	struct timer_list vsync_timer;
  	int vsync_period;
  	struct kernfs_node *vsync_event_sd;
  	struct kernfs_node *bl_event_sd;
  	struct mdp_overlay overlay;
  	struct mdp_overlay req_overlay;
  	struct mdp3_buffer_queue bufq_in;
  	struct mdp3_buffer_queue bufq_out;
  	struct work_struct clk_off_work;
  
  	struct kthread_work dma_done_work;
  	struct kthread_worker worker;
  	struct task_struct *thread;
  
  	atomic_t dma_done_cnt;
  	int histo_status;
  	struct mutex histo_lock;
  	int lut_sel;
  	bool vsync_before_commit;
  	bool first_commit;
  	int clk_on;
  	struct blocking_notifier_head notifier_head;
  
  	int vsync_enabled;
  	atomic_t vsync_countdown; /* Used to count down  */
  	bool in_splash_screen;
  	bool esd_recovery;
  	int dyn_pu_state; /* dynamic partial update status */
  	u32 bl_events;
  
  	bool dma_active;
  	struct completion dma_completion;
  	int (*wait_for_dma_done)(struct mdp3_session_data *session);
  
  	/* For retire fence */
  	struct mdss_timeline *vsync_timeline;
  	int retire_cnt;
  	struct work_struct retire_work;
  };
  
  void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq);
  int mdp3_ctrl_init(struct msm_fb_data_type *mfd);
  int mdp3_bufq_push(struct mdp3_buffer_queue *bufq,
  			struct mdp3_img_data *data);
  int mdp3_ctrl_get_source_format(u32 imgType);
  int mdp3_ctrl_get_pack_pattern(u32 imgType);
  int mdp3_ctrl_reset(struct msm_fb_data_type *mfd);
  
  #endif /* MDP3_CTRL_H */
  