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 2.1 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/pcihp.h" 28 #include "hw/acpi/memory_hotplug.h" 29 #include "hw/acpi/acpi_dev_interface.h" 30 #include "hw/acpi/tco.h" 31 32 #define ACPI_PCIHP_ADDR_ICH9 0x0cc4 33 34 typedef struct ICH9LPCPMRegs { 35 /* 36 * In ich9 spec says that pm1_cnt register is 32bit width and 37 * that the upper 16bits are reserved and unused. 38 * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t. 39 */ 40 ACPIREGS acpi_regs; 41 42 MemoryRegion io; 43 MemoryRegion io_gpe; 44 MemoryRegion io_smi; 45 46 uint32_t smi_en; 47 uint32_t smi_en_wmask; 48 uint32_t smi_sts; 49 50 qemu_irq irq; /* SCI */ 51 52 uint32_t pm_io_base; 53 Notifier powerdown_notifier; 54 55 bool cpu_hotplug_legacy; 56 AcpiCpuHotplug gpe_cpu; 57 CPUHotplugState cpuhp_state; 58 59 bool use_acpi_hotplug_bridge; 60 AcpiPciHpState acpi_pci_hotplug; 61 MemHotplugState acpi_memory_hotplug; 62 63 uint8_t disable_s3; 64 uint8_t disable_s4; 65 uint8_t s4_val; 66 uint8_t smm_enabled; 67 bool smm_compat; 68 bool enable_tco; 69 TCOIORegs tco_regs; 70 } ICH9LPCPMRegs; 71 72 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco" 73 74 void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, 75 bool smm_enabled, 76 qemu_irq sci_irq); 77 78 void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base); 79 extern const VMStateDescription vmstate_ich9_pm; 80 81 void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm); 82 83 void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, 84 Error **errp); 85 void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, 86 Error **errp); 87 void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev, 88 DeviceState *dev, Error **errp); 89 void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, 90 Error **errp); 91 92 void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list); 93 #endif /* HW_ACPI_ICH9_H */ 94