58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
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/*
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* Samsung exynos4210 Interrupt Combiner
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*
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* Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
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* All rights reserved.
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*
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* Evgeny Voevodin <e.voevodin@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_INTC_EXYNOS4210_COMBINER
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#define HW_INTC_EXYNOS4210_COMBINER
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#include "hw/sysbus.h"
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/*
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* State for each output signal of internal combiner
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*/
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typedef struct CombinerGroupState {
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uint8_t src_mask; /* 1 - source enabled, 0 - disabled */
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uint8_t src_pending; /* Pending source interrupts before masking */
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} CombinerGroupState;
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#define TYPE_EXYNOS4210_COMBINER "exynos4210.combiner"
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OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210CombinerState, EXYNOS4210_COMBINER)
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/* Number of groups and total number of interrupts for the internal combiner */
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#define IIC_NGRP 64
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#define IIC_NIRQ (IIC_NGRP * 8)
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#define IIC_REGSET_SIZE 0x41
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struct Exynos4210CombinerState {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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struct CombinerGroupState group[IIC_NGRP];
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uint32_t reg_set[IIC_REGSET_SIZE];
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uint32_t icipsr[2];
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uint32_t external; /* 1 means that this combiner is external */
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qemu_irq output_irq[IIC_NGRP];
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};
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#endif
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