drivers/gpu/drm/i915/intel_pcode.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2013-2021 Intel Corporation
   4  */
   5
   6 #ifndef _INTEL_PCODE_H_
   7 #define _INTEL_PCODE_H_
   8
   9 #include <linux/types.h>
  10
  11 struct drm_i915_private;
  12
  13 int sandybridge_pcode_read(struct drm_i915_private *i915, u32 mbox,
  14                            u32 *val, u32 *val1);
  15 int sandybridge_pcode_write_timeout(struct drm_i915_private *i915, u32 mbox,
  16                                     u32 val, int fast_timeout_us,
  17                                     int slow_timeout_ms);
  18 #define sandybridge_pcode_write(i915, mbox, val)        \
  19         sandybridge_pcode_write_timeout(i915, mbox, val, 500, 0)
  20
  21 int skl_pcode_request(struct drm_i915_private *i915, u32 mbox, u32 request,
  22                       u32 reply_mask, u32 reply, int timeout_base_ms);
  23
  24 int intel_pcode_init(struct drm_i915_private *i915);
  25
  26 #endif /* _INTEL_PCODE_H */