linux/drivers/gpu/drm/radeon/rs100d.h
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   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#ifndef __RS100D_H__
  29#define __RS100D_H__
  30
  31/* Registers */
  32#define R_00015C_NB_TOM                              0x00015C
  33#define   S_00015C_MC_FB_START(x)                      (((x) & 0xFFFF) << 0)
  34#define   G_00015C_MC_FB_START(x)                      (((x) >> 0) & 0xFFFF)
  35#define   C_00015C_MC_FB_START                         0xFFFF0000
  36#define   S_00015C_MC_FB_TOP(x)                        (((x) & 0xFFFF) << 16)
  37#define   G_00015C_MC_FB_TOP(x)                        (((x) >> 16) & 0xFFFF)
  38#define   C_00015C_MC_FB_TOP                           0x0000FFFF
  39
  40#endif
  41