LXR qemu/include/hw/gpio/imx

   1/*
   2 * i.MX processors GPIO registers definition.
   3 *
   4 * Copyright (C) 2015 Jean-Christophe Dubois <jcd@tribudubois.net>
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation; either version 2 or
   9 * (at your option) version 3 of the License.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef IMX_GPIO_H
  21#define IMX_GPIO_H
  22
  23#include "hw/sysbus.h"
  24
  25#define TYPE_IMX_GPIO "imx.gpio"
  26#define IMX_GPIO(obj) OBJECT_CHECK(IMXGPIOState, (obj), TYPE_IMX_GPIO)
  27
  28#define IMX_GPIO_MEM_SIZE 0x20
  29
  30/* i.MX GPIO memory map */
  31#define DR_ADDR             0x00 /* DATA REGISTER */
  32#define GDIR_ADDR           0x04 /* DIRECTION REGISTER */
  33#define PSR_ADDR            0x08 /* PAD STATUS REGISTER */
  34#define ICR1_ADDR           0x0c /* INTERRUPT CONFIGURATION REGISTER 1 */
  35#define ICR2_ADDR           0x10 /* INTERRUPT CONFIGURATION REGISTER 2 */
  36#define IMR_ADDR            0x14 /* INTERRUPT MASK REGISTER */
  37#define ISR_ADDR            0x18 /* INTERRUPT STATUS REGISTER */
  38#define EDGE_SEL_ADDR       0x1c /* EDGE SEL REGISTER */
  39
  40#define IMX_GPIO_PIN_COUNT 32
  41
  42typedef struct IMXGPIOState {
  43    /*< private >*/
  44    SysBusDevice parent_obj;
  45
  46    /*< public >*/
  47    MemoryRegion iomem;
  48
  49    uint32_t dr;
  50    uint32_t gdir;
  51    uint32_t psr;
  52    uint64_t icr;
  53    uint32_t imr;
  54    uint32_t isr;
  55    bool has_edge_sel;
  56    uint32_t edge_sel;
  57    bool has_upper_pin_irq;
  58
  59    qemu_irq irq[2];
  60    qemu_irq output[IMX_GPIO_PIN_COUNT];
  61} IMXGPIOState;
  62
  63#endif /* IMX_GPIO_H */
  64