linux/drivers/gpu/drm/i915/selftests/mock_uncore.c
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   1/*
   2 * Copyright © 2017 Intel Corporation
   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 (including the next
  12 * paragraph) shall be included in all copies or substantial portions of the
  13 * Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21 * IN THE SOFTWARE.
  22 *
  23 */
  24
  25#include "mock_uncore.h"
  26
  27#define __nop_write(x) \
  28static void \
  29nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { }
  30__nop_write(8)
  31__nop_write(16)
  32__nop_write(32)
  33
  34#define __nop_read(x) \
  35static u##x \
  36nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; }
  37__nop_read(8)
  38__nop_read(16)
  39__nop_read(32)
  40__nop_read(64)
  41
  42void mock_uncore_init(struct intel_uncore *uncore)
  43{
  44        ASSIGN_WRITE_MMIO_VFUNCS(uncore, nop);
  45        ASSIGN_READ_MMIO_VFUNCS(uncore, nop);
  46}
  47