/*
 * STM32F4xx SYSCFG
 *
 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef HW_STM_SYSCFG_H
#define HW_STM_SYSCFG_H

#include "hw/sysbus.h"
#include "hw/hw.h"

#define SYSCFG_MEMRMP  0x00
#define SYSCFG_PMC     0x04
#define SYSCFG_EXTICR1 0x08
#define SYSCFG_EXTICR2 0x0C
#define SYSCFG_EXTICR3 0x10
#define SYSCFG_EXTICR4 0x14
#define SYSCFG_CMPCR   0x20

#define TYPE_STM32F4XX_SYSCFG "stm32f4xx-syscfg"
#define STM32F4XX_SYSCFG(obj) \
    OBJECT_CHECK(STM32F4xxSyscfgState, (obj), TYPE_STM32F4XX_SYSCFG)

#define SYSCFG_NUM_EXTICR 4

typedef struct {
    /* <private> */
    SysBusDevice parent_obj;

    /* <public> */
    MemoryRegion mmio;

    uint32_t syscfg_memrmp;
    uint32_t syscfg_pmc;
    uint32_t syscfg_exticr[SYSCFG_NUM_EXTICR];
    uint32_t syscfg_cmpcr;

    qemu_irq irq;
    qemu_irq gpio_out[16];
} STM32F4xxSyscfgState;

#endif