linux/drivers/gpu/drm/amd/powerplay/inc/ppinterrupt.h
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   1/*
   2 * Copyright 2015 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 */
  23
  24#ifndef _PP_INTERRUPT_H_
  25#define _PP_INTERRUPT_H_
  26
  27enum amd_thermal_irq {
  28        AMD_THERMAL_IRQ_LOW_TO_HIGH = 0,
  29        AMD_THERMAL_IRQ_HIGH_TO_LOW,
  30
  31        AMD_THERMAL_IRQ_LAST
  32};
  33
  34/* The type of the interrupt callback functions in PowerPlay */
  35typedef int (*irq_handler_func_t)(void *private_data,
  36                                unsigned src_id, const uint32_t *iv_entry);
  37
  38/* Event Manager action chain list information */
  39struct pp_interrupt_registration_info {
  40        irq_handler_func_t call_back; /* Pointer to callback function */
  41        void *context;                   /* Pointer to callback function context */
  42        uint32_t src_id;               /* Registered interrupt id */
  43        const uint32_t *iv_entry;
  44};
  45
  46#endif /* _PP_INTERRUPT_H_ */
  47