include/hw/intc/exynos4210_combiner.h

   1 /*
   2  * Samsung exynos4210 Interrupt Combiner
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
   5  * All rights reserved.
   6  *
   7  * Evgeny Voevodin <e.voevodin@samsung.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by the
  11  * Free Software Foundation; either version 2 of the License, or (at your
  12  * option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17  * See the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #ifndef HW_INTC_EXYNOS4210_COMBINER
  24 #define HW_INTC_EXYNOS4210_COMBINER
  25
  26 #include "hw/sysbus.h"
  27
  28 /*
  29  * State for each output signal of internal combiner
  30  */
  31 typedef struct CombinerGroupState {
  32     uint8_t src_mask;            /* 1 - source enabled, 0 - disabled */
  33     uint8_t src_pending;        /* Pending source interrupts before masking */
  34 } CombinerGroupState;
  35
  36 #define TYPE_EXYNOS4210_COMBINER "exynos4210.combiner"
  37 OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210CombinerState, EXYNOS4210_COMBINER)
  38
  39 /* Number of groups and total number of interrupts for the internal combiner */
  40 #define IIC_NGRP 64
  41 #define IIC_NIRQ (IIC_NGRP * 8)
  42 #define IIC_REGSET_SIZE 0x41
  43
  44 struct Exynos4210CombinerState {
  45     SysBusDevice parent_obj;
  46
  47     MemoryRegion iomem;
  48
  49     struct CombinerGroupState group[IIC_NGRP];
  50     uint32_t reg_set[IIC_REGSET_SIZE];
  51     uint32_t icipsr[2];
  52     uint32_t external;          /* 1 means that this combiner is external */
  53
  54     qemu_irq output_irq[IIC_NGRP];
  55 };
  56
  57 #endif