xref: /openbmc/qemu/include/hw/adc/stm32f2xx_adc.h (revision ffe98631)
1 /*
2  * STM32F2XX ADC
3  *
4  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef HW_STM32F2XX_ADC_H
26 #define HW_STM32F2XX_ADC_H
27 
28 #include "hw/sysbus.h"
29 #include "qom/object.h"
30 
31 #define ADC_SR    0x00
32 #define ADC_CR1   0x04
33 #define ADC_CR2   0x08
34 #define ADC_SMPR1 0x0C
35 #define ADC_SMPR2 0x10
36 #define ADC_JOFR1 0x14
37 #define ADC_JOFR2 0x18
38 #define ADC_JOFR3 0x1C
39 #define ADC_JOFR4 0x20
40 #define ADC_HTR   0x24
41 #define ADC_LTR   0x28
42 #define ADC_SQR1  0x2C
43 #define ADC_SQR2  0x30
44 #define ADC_SQR3  0x34
45 #define ADC_JSQR  0x38
46 #define ADC_JDR1  0x3C
47 #define ADC_JDR2  0x40
48 #define ADC_JDR3  0x44
49 #define ADC_JDR4  0x48
50 #define ADC_DR    0x4C
51 
52 #define ADC_CR2_ADON    0x01
53 #define ADC_CR2_CONT    0x02
54 #define ADC_CR2_ALIGN   0x800
55 #define ADC_CR2_SWSTART 0x40000000
56 
57 #define ADC_CR1_RES 0x3000000
58 
59 #define ADC_COMMON_ADDRESS 0x100
60 
61 #define TYPE_STM32F2XX_ADC "stm32f2xx-adc"
62 OBJECT_DECLARE_SIMPLE_TYPE(STM32F2XXADCState, STM32F2XX_ADC)
63 
64 struct STM32F2XXADCState {
65     /* <private> */
66     SysBusDevice parent_obj;
67 
68     /* <public> */
69     MemoryRegion mmio;
70 
71     uint32_t adc_sr;
72     uint32_t adc_cr1;
73     uint32_t adc_cr2;
74     uint32_t adc_smpr1;
75     uint32_t adc_smpr2;
76     uint32_t adc_jofr[4];
77     uint32_t adc_htr;
78     uint32_t adc_ltr;
79     uint32_t adc_sqr1;
80     uint32_t adc_sqr2;
81     uint32_t adc_sqr3;
82     uint32_t adc_jsqr;
83     uint32_t adc_jdr[4];
84     uint32_t adc_dr;
85 
86     qemu_irq irq;
87 };
88 
89 #endif /* HW_STM32F2XX_ADC_H */
90