/*

   * Copyright 2017-2018 NXP

   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; either version 2 of the License, or (at your
   * option) any later version.
   *
   * 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 _IMX8_PREFETCH_H_
  #define _IMX8_PREFETCH_H_
  
  #define PRG_HANDSHAKE_8LINES		8
  #define PRG_HANDSHAKE_4LINES		4
  #define AMPHION_STRIPE_WIDTH		8
  #define AMPHION_STRIPE_HEIGHT		128
  #define AMPHION_UV_STRIPE_HEIGHT	AMPHION_STRIPE_HEIGHT
  #define AMPHION_Y_STRIPE_HEIGHT		(2 * AMPHION_STRIPE_HEIGHT)
  #define VIVANTE_TILE_WIDTH		4
  #define VIVANTE_TILE_HEIGHT		4
  #define VIVANTE_SUPER_TILE_WIDTH	64
  #define VIVANTE_SUPER_TILE_HEIGHT	64
  
  struct prg;
  struct prg *
  prg_lookup_by_phandle(struct device *dev, const char *name, int index);
  void prg_enable(struct prg *prg);
  void prg_disable(struct prg *prg);
  void prg_configure(struct prg *prg, unsigned int width, unsigned int height,
  		   unsigned int x_offset, unsigned int y_offset,
  		   unsigned int stride, unsigned int bits_per_pixel,
  		   unsigned long baddr, u32 format, u64 modifier,
  		   bool start);
  void prg_reg_update(struct prg *prg);
  void prg_shadow_enable(struct prg *prg);
  bool prg_stride_supported(struct prg *prg, unsigned int stride);
  bool prg_stride_double_check(struct prg *prg,

  			     unsigned int width, unsigned int x_offset,
  			     unsigned int bits_per_pixel, u64 modifier,

  			     unsigned int stride, dma_addr_t baddr);
  void prg_set_auxiliary(struct prg *prg);

  void prg_set_primary(struct prg *prg);

  void prg_set_blit(struct prg *prg);

  struct dprc;
  struct dprc *
  dprc_lookup_by_phandle(struct device *dev, const char *name, int index);
  void dprc_enable(struct dprc *dprc);
  void dprc_disable(struct dprc *dprc);
  void dprc_configure(struct dprc *dprc, unsigned int stream_id,
  		    unsigned int width, unsigned int height,
  		    unsigned int x_offset, unsigned int y_offset,
  		    unsigned int stride, u32 format, u64 modifier,
  		    unsigned long baddr, unsigned long uv_baddr,

  		    bool start, bool aux_start, bool interlace_frame);

  void dprc_reg_update(struct dprc *dprc);

  void dprc_first_frame_handle(struct dprc *dprc);

  void dprc_irq_handle(struct dprc *dprc);
  void dprc_enable_ctrl_done_irq(struct dprc *dprc);
  bool dprc_format_supported(struct dprc *dprc, u32 format, u64 modifier);
  bool dprc_stride_supported(struct dprc *dprc,
  			   unsigned int stride, unsigned int uv_stride,
  			   unsigned int width, u32 format);

  bool dprc_stride_double_check(struct dprc *dprc,

  			      unsigned int width, unsigned int x_offset,
  			      u32 format, u64 modifier,

  			      dma_addr_t baddr, dma_addr_t uv_baddr);

  #endif