include/hw/misc/stm32f4xx_exti.h

   1 /*
   2  * STM32F4XX EXTI
   3  *
   4  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #ifndef HW_STM_EXTI_H
  26 #define HW_STM_EXTI_H
  27
  28 #include "hw/sysbus.h"
  29 #include "hw/hw.h"
  30
  31 #define EXTI_IMR   0x00
  32 #define EXTI_EMR   0x04
  33 #define EXTI_RTSR  0x08
  34 #define EXTI_FTSR  0x0C
  35 #define EXTI_SWIER 0x10
  36 #define EXTI_PR    0x14
  37
  38 #define TYPE_STM32F4XX_EXTI "stm32f4xx-exti"
  39 #define STM32F4XX_EXTI(obj) \
  40     OBJECT_CHECK(STM32F4xxExtiState, (obj), TYPE_STM32F4XX_EXTI)
  41
  42 #define NUM_GPIO_EVENT_IN_LINES 16
  43 #define NUM_INTERRUPT_OUT_LINES 16
  44
  45 typedef struct {
  46     SysBusDevice parent_obj;
  47
  48     MemoryRegion mmio;
  49
  50     uint32_t exti_imr;
  51     uint32_t exti_emr;
  52     uint32_t exti_rtsr;
  53     uint32_t exti_ftsr;
  54     uint32_t exti_swier;
  55     uint32_t exti_pr;
  56
  57     qemu_irq irq[NUM_INTERRUPT_OUT_LINES];
  58 } STM32F4xxExtiState;
  59
  60 #endif