include/hw/misc/allwinner-r40-ccu.h

   1 /*
   2  * Allwinner R40 Clock Control Unit emulation
   3  *
   4  * Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.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_R40_CCU_H
  21 #define HW_MISC_ALLWINNER_R40_CCU_H
  22
  23 #include "qom/object.h"
  24 #include "hw/sysbus.h"
  25
  26 /**
  27  * @name Constants
  28  * @{
  29  */
  30
  31 /** Size of register I/O address space used by CCU device */
  32 #define AW_R40_CCU_IOSIZE        (0x400)
  33
  34 /** Total number of known registers */
  35 #define AW_R40_CCU_REGS_NUM      (AW_R40_CCU_IOSIZE / sizeof(uint32_t))
  36
  37 /** @} */
  38
  39 /**
  40  * @name Object model
  41  * @{
  42  */
  43
  44 #define TYPE_AW_R40_CCU    "allwinner-r40-ccu"
  45 OBJECT_DECLARE_SIMPLE_TYPE(AwR40ClockCtlState, AW_R40_CCU)
  46
  47 /** @} */
  48
  49 /**
  50  * Allwinner R40 CCU object instance state.
  51  */
  52 struct AwR40ClockCtlState {
  53     /*< private >*/
  54     SysBusDevice parent_obj;
  55     /*< public >*/
  56
  57     /** Maps I/O registers in physical memory */
  58     MemoryRegion iomem;
  59
  60     /** Array of hardware registers */
  61     uint32_t regs[AW_R40_CCU_REGS_NUM];
  62
  63 };
  64
  65 #endif /* HW_MISC_ALLWINNER_R40_CCU_H */