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, Error **errp); 76 77 void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, 78 Error **errp); 79 void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev, 80 DeviceState *dev, Error **errp); 81 void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, 82 Error **errp); 83 84 void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list); 85 #endif /* HW_ACPI_ICH9_H */ 86