include/hw/misc/allwinner-h3-sysctrl.h

   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 */