text: /*
   * SGX display class driver platform resources
   *
   * Copyright (C) 2012 Texas Instruments
   *
   * 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.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
   */
  
  #ifndef _ARCH_ARM_PLAT_OMAP_SGX_OMAPLFB_H
  #define _ARCH_ARM_PLAT_OMAP_SGX_OMAPLFB_H
  
  enum sgx_omaplfb_flags {
  	/*
  	 * This flag should be set when we do not want the primary display
  	 * swap chain buffers to be used with an external display.
  	 *
  	 * The number of tiler2d and vram buffers need to be set appropriately
  	 */
  	SGX_OMAPLFB_FLAGS_SDMA_TO_TILER2D_EXTERNAL = 0x00000001,
  };
  
  /*
   * The settings this platform data entry will determine the type and number of
   * buffers to use by omaplfb.
   */
  struct sgx_omaplfb_config {
  	/*
  	 * Number of tiler2d buffers required for display rendering,
  	 * the number of buffers indicated by swap_chain_length will be used
  	 * for the swap chain unless flags indicate otherwise
  	 */
  	u32 tiler2d_buffers;
  	/*
  	 * Number of vram buffers required for display rendering, if no tiler
  	 * buffers are required or flags indicate then the number of buffers
  	 * indicated by swap_chain_length will be used for the swap chain.
  	 */
  	u32 vram_buffers;
  	/*
  	 * Indicate any additional vram that needs to be reserved
  	 */
  	u32 vram_reserve;
  	/*
  	 * Tells omaplfb the number of buffers in the primary swapchain,
  	 * if not set it defaults to 2.
  	 */
  	u32 swap_chain_length;
  	enum sgx_omaplfb_flags flags;
  };
  
  struct sgx_omaplfb_platform_data {
  	u32 num_configs;
  	struct sgx_omaplfb_config *configs;
  };
  
  int sgx_omaplfb_set(unsigned int fbix, struct sgx_omaplfb_config *data);
  struct sgx_omaplfb_config *sgx_omaplfb_get(unsigned int fbix);
  
  #endif
  