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FORK: QEMU emulator
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exynos4210_combiner.h (1813B)

      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_H
     24 #define HW_INTC_EXYNOS4210_COMBINER_H
     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