include/hw/acpi/ich9.h

   1 /*
   2  * QEMU GMCH/ICH9 LPC PM Emulation
   3  *
   4  *  Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
   5  *                     VA Linux Systems Japan K.K.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, see <http://www.gnu.org/licenses/>
  19  */
  20
  21 #ifndef HW_ACPI_ICH9_H
  22 #define HW_ACPI_ICH9_H
  23
  24 #include "hw/acpi/acpi.h"
  25 #include "hw/acpi/cpu_hotplug.h"
  26 #include "hw/acpi/cpu.h"
  27 #include "hw/acpi/memory_hotplug.h"
  28 #include "hw/acpi/acpi_dev_interface.h"
  29 #include "hw/acpi/tco.h"
  30
  31 typedef struct ICH9LPCPMRegs {
  32     /*
  33      * In ich9 spec says that pm1_cnt register is 32bit width and
  34      * that the upper 16bits are reserved and unused.
  35      * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t.
  36      */
  37     ACPIREGS acpi_regs;
  38
  39     MemoryRegion io;
  40     MemoryRegion io_gpe;
  41     MemoryRegion io_smi;
  42
  43     uint32_t smi_en;
  44     uint32_t smi_en_wmask;
  45     uint32_t smi_sts;
  46
  47     qemu_irq irq;      /* SCI */
  48
  49     uint32_t pm_io_base;
  50     Notifier powerdown_notifier;
  51
  52     bool cpu_hotplug_legacy;
  53     AcpiCpuHotplug gpe_cpu;
  54     CPUHotplugState cpuhp_state;
  55
  56     MemHotplugState acpi_memory_hotplug;
  57
  58     uint8_t disable_s3;
  59     uint8_t disable_s4;
  60     uint8_t s4_val;
  61     uint8_t smm_enabled;
  62     bool enable_tco;
  63     TCOIORegs tco_regs;
  64 } ICH9LPCPMRegs;
  65
  66 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
  67
  68 void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
  69                   bool smm_enabled,
  70                   qemu_irq sci_irq);
  71
  72 void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
  73 extern const VMStateDescription vmstate_ich9_pm;
  74
  75 void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm);
  76
  77 void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
  78                                 Error **errp);
  79 void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
  80                             Error **errp);
  81 void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev,
  82                                       DeviceState *dev, Error **errp);
  83 void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
  84                               Error **errp);
  85
  86 void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
  87 #endif /* HW_ACPI_ICH9_H */