LXR linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser

   1/*
   2 * Copyright 2012-16 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#ifndef __DAL_BIOS_PARSER_HELPER_H__
  27#define __DAL_BIOS_PARSER_HELPER_H__
  28
  29struct bios_parser;
  30
  31uint8_t *bios_get_image(struct dc_bios *bp, uint32_t offset,
  32        uint32_t size);
  33
  34bool bios_is_accelerated_mode(struct dc_bios *bios);
  35void bios_set_scratch_acc_mode_change(struct dc_bios *bios, uint32_t state);
  36void bios_set_scratch_critical_state(struct dc_bios *bios, bool state);
  37uint32_t bios_get_vga_enabled_displays(struct dc_bios *bios);
  38
  39#define GET_IMAGE(type, offset) ((type *) bios_get_image(&bp->base, offset, sizeof(type)))
  40
  41#endif
  42