xref: /qemu/include/hw/gpio/npcm7xx_gpio.h (revision 05a248715cef192336a594afed812871a52efc1f)
1  /*
2   * Nuvoton NPCM7xx General Purpose Input / Output (GPIO)
3   *
4   * Copyright 2020 Google LLC
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
8   * version 2 as published by the Free Software Foundation.
9   *
10   * This program is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13   * GNU General Public License for more details.
14   */
15  #ifndef NPCM7XX_GPIO_H
16  #define NPCM7XX_GPIO_H
17  
18  #include "exec/memory.h"
19  #include "hw/sysbus.h"
20  
21  /* Number of pins managed by each controller. */
22  #define NPCM7XX_GPIO_NR_PINS (32)
23  
24  /*
25   * Number of registers in our device state structure. Don't change this without
26   * incrementing the version_id in the vmstate.
27   */
28  #define NPCM7XX_GPIO_NR_REGS (0x80 / sizeof(uint32_t))
29  
30  typedef struct NPCM7xxGPIOState {
31      SysBusDevice parent;
32  
33      /* Properties to be defined by the SoC */
34      uint32_t reset_pu;
35      uint32_t reset_pd;
36      uint32_t reset_osrc;
37      uint32_t reset_odsc;
38  
39      MemoryRegion mmio;
40  
41      qemu_irq irq;
42      qemu_irq output[NPCM7XX_GPIO_NR_PINS];
43  
44      uint32_t pin_level;
45      uint32_t ext_level;
46      uint32_t ext_driven;
47  
48      uint32_t regs[NPCM7XX_GPIO_NR_REGS];
49  } NPCM7xxGPIOState;
50  
51  #define TYPE_NPCM7XX_GPIO "npcm7xx-gpio"
52  #define NPCM7XX_GPIO(obj) \
53      OBJECT_CHECK(NPCM7xxGPIOState, (obj), TYPE_NPCM7XX_GPIO)
54  
55  #endif /* NPCM7XX_GPIO_H */
56