xref: /openbmc/qemu/include/hw/adc/aspeed_adc.h (revision 2df1eb27)
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 #define TYPE_ASPEED_1030_ADC TYPE_ASPEED_ADC "-ast1030"
21 OBJECT_DECLARE_TYPE(AspeedADCState, AspeedADCClass, ASPEED_ADC)
22 
23 #define TYPE_ASPEED_ADC_ENGINE "aspeed.adc.engine"
24 OBJECT_DECLARE_SIMPLE_TYPE(AspeedADCEngineState, ASPEED_ADC_ENGINE)
25 
26 #define ASPEED_ADC_NR_CHANNELS 16
27 #define ASPEED_ADC_NR_REGS     (0xD0 >> 2)
28 
29 struct AspeedADCEngineState {
30     /* <private> */
31     SysBusDevice parent;
32 
33     MemoryRegion mmio;
34     qemu_irq irq;
35     uint32_t engine_id;
36     uint32_t nr_channels;
37     uint32_t regs[ASPEED_ADC_NR_REGS];
38 };
39 
40 struct AspeedADCState {
41     /* <private> */
42     SysBusDevice parent;
43 
44     MemoryRegion mmio;
45     qemu_irq irq;
46 
47     AspeedADCEngineState engines[2];
48 };
49 
50 struct AspeedADCClass {
51     SysBusDeviceClass parent_class;
52 
53     uint32_t nr_engines;
54 };
55 
56 #endif /* HW_ADC_ASPEED_ADC_H */
57