xref: /openbmc/qemu/include/hw/gpio/npcm7xx_gpio.h (revision b4b9a0e3)
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