1 /*
2  * Allwinner H3 System Control emulation
3  *
4  * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef HW_MISC_ALLWINNER_H3_SYSCTRL_H
21 #define HW_MISC_ALLWINNER_H3_SYSCTRL_H
22 
23 #include "qom/object.h"
24 #include "hw/sysbus.h"
25 
26 /**
27  * @name Constants
28  * @{
29  */
30 
31 /** Highest register address used by System Control device */
32 #define AW_H3_SYSCTRL_REGS_MAXADDR   (0x30)
33 
34 /** Total number of known registers */
35 #define AW_H3_SYSCTRL_REGS_NUM       ((AW_H3_SYSCTRL_REGS_MAXADDR / \
36                                       sizeof(uint32_t)) + 1)
37 
38 /** @} */
39 
40 /**
41  * @name Object model
42  * @{
43  */
44 
45 #define TYPE_AW_H3_SYSCTRL    "allwinner-h3-sysctrl"
46 #define AW_H3_SYSCTRL(obj) \
47     OBJECT_CHECK(AwH3SysCtrlState, (obj), TYPE_AW_H3_SYSCTRL)
48 
49 /** @} */
50 
51 /**
52  * Allwinner H3 System Control object instance state
53  */
54 typedef struct AwH3SysCtrlState {
55     /*< private >*/
56     SysBusDevice parent_obj;
57     /*< public >*/
58 
59     /** Maps I/O registers in physical memory */
60     MemoryRegion iomem;
61 
62     /** Array of hardware registers */
63     uint32_t regs[AW_H3_SYSCTRL_REGS_NUM];
64 
65 } AwH3SysCtrlState;
66 
67 #endif /* HW_MISC_ALLWINNER_H3_SYSCTRL_H */
68