xref: /openbmc/qemu/include/hw/adc/aspeed_adc.h (revision fc664254)
1 /*
2  * Aspeed ADC
3  *
4  * Copyright 2017-2021 IBM Corp.
5  *
6  * Andrew Jeffery <andrew@aj.id.au>
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10 
11 #ifndef HW_ADC_ASPEED_ADC_H
12 #define HW_ADC_ASPEED_ADC_H
13 
14 #include "hw/sysbus.h"
15 
16 #define TYPE_ASPEED_ADC "aspeed.adc"
17 #define TYPE_ASPEED_2400_ADC TYPE_ASPEED_ADC "-ast2400"
18 #define TYPE_ASPEED_2500_ADC TYPE_ASPEED_ADC "-ast2500"
19 #define TYPE_ASPEED_2600_ADC TYPE_ASPEED_ADC "-ast2600"
20 OBJECT_DECLARE_TYPE(AspeedADCState, AspeedADCClass, ASPEED_ADC)
21 
22 #define TYPE_ASPEED_ADC_ENGINE "aspeed.adc.engine"
23 OBJECT_DECLARE_SIMPLE_TYPE(AspeedADCEngineState, ASPEED_ADC_ENGINE)
24 
25 #define ASPEED_ADC_NR_CHANNELS 16
26 #define ASPEED_ADC_NR_REGS     (0xD0 >> 2)
27 
28 struct AspeedADCEngineState {
29     /* <private> */
30     SysBusDevice parent;
31 
32     MemoryRegion mmio;
33     qemu_irq irq;
34     uint32_t engine_id;
35     uint32_t nr_channels;
36     uint32_t regs[ASPEED_ADC_NR_REGS];
37 };
38 
39 struct AspeedADCState {
40     /* <private> */
41     SysBusDevice parent;
42 
43     MemoryRegion mmio;
44     qemu_irq irq;
45 
46     AspeedADCEngineState engines[2];
47 };
48 
49 struct AspeedADCClass {
50     SysBusDeviceClass parent_class;
51 
52     uint32_t nr_engines;
53 };
54 
55 #endif /* HW_ADC_ASPEED_ADC_H */
56