acpi.h (6480B)
1#ifndef QEMU_HW_ACPI_H 2#define QEMU_HW_ACPI_H 3 4/* 5 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp> 6 * VA Linux Systems Japan K.K. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, see 20 * <http://www.gnu.org/licenses/>. 21 */ 22 23#include "qemu/notify.h" 24#include "exec/memory.h" 25#include "hw/acpi/acpi_dev_interface.h" 26 27/* 28 * current device naming scheme supports up to 256 memory devices 29 */ 30#define ACPI_MAX_RAM_SLOTS 256 31 32/* from linux include/acpi/actype.h */ 33/* Default ACPI register widths */ 34 35#define ACPI_GPE_REGISTER_WIDTH 8 36#define ACPI_PM1_REGISTER_WIDTH 16 37#define ACPI_PM2_REGISTER_WIDTH 8 38#define ACPI_PM_TIMER_WIDTH 32 39 40/* PC-style peripherals (also used by other machines). */ 41#define ACPI_PM_PROP_S3_DISABLED "disable_s3" 42#define ACPI_PM_PROP_S4_DISABLED "disable_s4" 43#define ACPI_PM_PROP_S4_VAL "s4_val" 44#define ACPI_PM_PROP_SCI_INT "sci_int" 45#define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd" 46#define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd" 47#define ACPI_PM_PROP_PM_IO_BASE "pm_io_base" 48#define ACPI_PM_PROP_GPE0_BLK "gpe0_blk" 49#define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len" 50#define ACPI_PM_PROP_ACPI_PCIHP_BRIDGE "acpi-pci-hotplug-with-bridge-support" 51#define ACPI_PM_PROP_ACPI_PCI_ROOTHP "acpi-root-pci-hotplug" 52 53/* PM Timer ticks per second (HZ) */ 54#define PM_TIMER_FREQUENCY 3579545 55 56 57/* ACPI fixed hardware registers */ 58 59/* from linux/drivers/acpi/acpica/aclocal.h */ 60/* Masks used to access the bit_registers */ 61 62/* PM1x_STS */ 63#define ACPI_BITMASK_TIMER_STATUS 0x0001 64#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 65#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 66#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 67#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 68#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 69#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ 70#define ACPI_BITMASK_WAKE_STATUS 0x8000 71 72#define ACPI_BITMASK_ALL_FIXED_STATUS (\ 73 ACPI_BITMASK_TIMER_STATUS | \ 74 ACPI_BITMASK_BUS_MASTER_STATUS | \ 75 ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ 76 ACPI_BITMASK_POWER_BUTTON_STATUS | \ 77 ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ 78 ACPI_BITMASK_RT_CLOCK_STATUS | \ 79 ACPI_BITMASK_WAKE_STATUS) 80 81/* PM1x_EN */ 82#define ACPI_BITMASK_TIMER_ENABLE 0x0001 83#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 84#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 85#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 86#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 87#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ 88 89#define ACPI_BITMASK_PM1_COMMON_ENABLED ( \ 90 ACPI_BITMASK_RT_CLOCK_ENABLE | \ 91 ACPI_BITMASK_POWER_BUTTON_ENABLE | \ 92 ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \ 93 ACPI_BITMASK_TIMER_ENABLE) 94 95/* PM1x_CNT */ 96#define ACPI_BITMASK_SCI_ENABLE 0x0001 97#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 98#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 99#define ACPI_BITMASK_SLEEP_TYPE 0x1C00 100#define ACPI_BITMASK_SLEEP_ENABLE 0x2000 101 102/* PM2_CNT */ 103#define ACPI_BITMASK_ARB_DISABLE 0x0001 104 105/* structs */ 106typedef struct ACPIPMTimer ACPIPMTimer; 107typedef struct ACPIPM1EVT ACPIPM1EVT; 108typedef struct ACPIPM1CNT ACPIPM1CNT; 109typedef struct ACPIGPE ACPIGPE; 110typedef struct ACPIREGS ACPIREGS; 111 112typedef void (*acpi_update_sci_fn)(ACPIREGS *ar); 113 114struct ACPIPMTimer { 115 QEMUTimer *timer; 116 MemoryRegion io; 117 int64_t overflow_time; 118 119 acpi_update_sci_fn update_sci; 120}; 121 122struct ACPIPM1EVT { 123 MemoryRegion io; 124 uint16_t sts; 125 uint16_t en; 126 acpi_update_sci_fn update_sci; 127}; 128 129struct ACPIPM1CNT { 130 MemoryRegion io; 131 uint16_t cnt; 132 uint8_t s4_val; 133 bool acpi_only; 134}; 135 136struct ACPIGPE { 137 uint8_t len; 138 139 uint8_t *sts; 140 uint8_t *en; 141}; 142 143struct ACPIREGS { 144 ACPIPMTimer tmr; 145 ACPIGPE gpe; 146 struct { 147 ACPIPM1EVT evt; 148 ACPIPM1CNT cnt; 149 } pm1; 150 Notifier wakeup; 151}; 152 153/* PM_TMR */ 154void acpi_pm_tmr_update(ACPIREGS *ar, bool enable); 155void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar); 156void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, 157 MemoryRegion *parent); 158void acpi_pm_tmr_reset(ACPIREGS *ar); 159 160/* PM1a_EVT: piix and ich9 don't implement PM1b. */ 161uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar); 162void acpi_pm1_evt_power_down(ACPIREGS *ar); 163void acpi_pm1_evt_reset(ACPIREGS *ar); 164void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci, 165 MemoryRegion *parent); 166 167/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */ 168void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, 169 bool disable_s3, bool disable_s4, uint8_t s4_val, 170 bool acpi_only); 171void acpi_pm1_cnt_update(ACPIREGS *ar, 172 bool sci_enable, bool sci_disable); 173void acpi_pm1_cnt_reset(ACPIREGS *ar); 174 175/* GPE0 */ 176void acpi_gpe_init(ACPIREGS *ar, uint8_t len); 177void acpi_gpe_reset(ACPIREGS *ar); 178 179void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val); 180uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr); 181 182void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq, 183 AcpiEventStatusBits status); 184 185void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq); 186 187/* acpi.c */ 188extern char unsigned *acpi_tables; 189extern size_t acpi_tables_len; 190 191uint8_t *acpi_table_first(void); 192uint8_t *acpi_table_next(uint8_t *current); 193unsigned acpi_table_len(void *current); 194void acpi_table_add(const QemuOpts *opts, Error **errp); 195 196typedef struct AcpiSlicOem AcpiSlicOem; 197struct AcpiSlicOem { 198 char *id; 199 char *table_id; 200}; 201int acpi_get_slic_oem(AcpiSlicOem *oem); 202 203#endif /* QEMU_HW_ACPI_H */