LXR linux/drivers/gpu/drm/amd/display/dc/irq/irq

   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
  33struct irq_service;
  34struct irq_source_info;
  35
  36struct 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
  46struct 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
  59struct 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
  66struct irq_service {
  67        struct dc_context *ctx;
  68        const struct irq_source_info *info;
  69        const struct irq_service_funcs *funcs;
  70};
  71
  72void dal_irq_service_construct(
  73        struct irq_service *irq_service,
  74        struct irq_service_init_data *init_data);
  75
  76void dal_irq_service_ack_generic(
  77        struct irq_service *irq_service,
  78        const struct irq_source_info *info);
  79
  80void dal_irq_service_set_generic(
  81        struct irq_service *irq_service,
  82        const struct irq_source_info *info,
  83        bool enable);
  84
  85#endif
  86