drivers/gpu/drm/amd/display/dc/irq/irq_service.h

   1 /*
   2  * Copyright 2012-15 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_IRQ_SERVICE_H__
  27 #define __DAL_IRQ_SERVICE_H__
  28
  29 #include "include/irq_service_interface.h"
  30
  31 #include "irq_types.h"
  32
  33 struct irq_service;
  34 struct irq_source_info;
  35
  36 struct irq_source_info_funcs {
  37         bool (*set)(
  38                 struct irq_service *irq_service,
  39                 const struct irq_source_info *info,
  40                 bool enable);
  41         bool (*ack)(
  42                 struct irq_service *irq_service,
  43                 const struct irq_source_info *info);
  44 };
  45
  46 struct irq_source_info {
  47         uint32_t src_id;
  48         uint32_t ext_id;
  49         uint32_t enable_reg;
  50         uint32_t enable_mask;
  51         uint32_t enable_value[2];
  52         uint32_t ack_reg;
  53         uint32_t ack_mask;
  54         uint32_t ack_value;
  55         uint32_t status_reg;
  56         const struct irq_source_info_funcs *funcs;
  57 };
  58
  59 struct irq_service_funcs {
  60         enum dc_irq_source (*to_dal_irq_source)(
  61                         struct irq_service *irq_service,
  62                         uint32_t src_id,
  63                         uint32_t ext_id);
  64 };
  65
  66 struct irq_service {
  67         struct dc_context *ctx;
  68         const struct irq_source_info *info;
  69         const struct irq_service_funcs *funcs;
  70 };
  71
  72 void dal_irq_service_construct(
  73         struct irq_service *irq_service,
  74         struct irq_service_init_data *init_data);
  75
  76 void dal_irq_service_ack_generic(
  77         struct irq_service *irq_service,
  78         const struct irq_source_info *info);
  79
  80 void dal_irq_service_set_generic(
  81         struct irq_service *irq_service,
  82         const struct irq_source_info *info,
  83         bool enable);
  84
  85 #endif