LXR qemu/include/hw/intc/rx

   1/*
   2 * RX Interrupt Control Unit
   3 *
   4 * Copyright (c) 2019 Yoshinori Sato
   5 *
   6 * SPDX-License-Identifier: GPL-2.0-or-later
   7 *
   8 * This program is free software; you can redistribute it and/or modify it
   9 * under the terms and conditions of the GNU General Public License,
  10 * version 2 or later, as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope it will be useful, but WITHOUT
  13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15 * more details.
  16 *
  17 * You should have received a copy of the GNU General Public License along with
  18 * this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21#ifndef HW_INTC_RX_ICU_H
  22#define HW_INTC_RX_ICU_H
  23
  24#include "hw/sysbus.h"
  25#include "qom/object.h"
  26
  27enum TRG_MODE {
  28    TRG_LEVEL = 0,
  29    TRG_NEDGE = 1,      /* Falling */
  30    TRG_PEDGE = 2,      /* Raising */
  31    TRG_BEDGE = 3,      /* Both */
  32};
  33
  34struct IRQSource {
  35    enum TRG_MODE sense;
  36    int level;
  37};
  38
  39enum {
  40    /* Software interrupt request */
  41    SWI = 27,
  42    NR_IRQS = 256
  43};
  44
  45struct RXICUState {
  46    /*< private >*/
  47    SysBusDevice parent_obj;
  48    /*< public >*/
  49
  50    MemoryRegion memory;
  51    struct IRQSource src[NR_IRQS];
  52    uint32_t nr_irqs;
  53    uint8_t *map;
  54    uint32_t nr_sense;
  55    uint8_t *init_sense;
  56
  57    uint8_t ir[NR_IRQS];
  58    uint8_t dtcer[NR_IRQS];
  59    uint8_t ier[NR_IRQS / 8];
  60    uint8_t ipr[142];
  61    uint8_t dmasr[4];
  62    uint16_t fir;
  63    uint8_t nmisr;
  64    uint8_t nmier;
  65    uint8_t nmiclr;
  66    uint8_t nmicr;
  67    int16_t req_irq;
  68    qemu_irq _irq;
  69    qemu_irq _fir;
  70    qemu_irq _swi;
  71};
  72
  73#define TYPE_RX_ICU "rx-icu"
  74OBJECT_DECLARE_SIMPLE_TYPE(RXICUState, RX_ICU)
  75
  76#endif /* HW_INTC_RX_ICU_H */
  77