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-rw-r--r--include/hw/acpi/acpi.h157
-rw-r--r--include/hw/acpi/ich9.h52
2 files changed, 209 insertions, 0 deletions
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
new file mode 100644
index 0000000000..e18ef28fd3
--- /dev/null
+++ b/include/hw/acpi/acpi.h
@@ -0,0 +1,157 @@
+#ifndef QEMU_HW_ACPI_H
+#define QEMU_HW_ACPI_H
+/*
+ * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
+ * VA Linux Systems Japan K.K.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+/* from linux include/acpi/actype.h */
+/* Default ACPI register widths */
+
+#define ACPI_GPE_REGISTER_WIDTH 8
+#define ACPI_PM1_REGISTER_WIDTH 16
+#define ACPI_PM2_REGISTER_WIDTH 8
+#define ACPI_PM_TIMER_WIDTH 32
+
+/* PM Timer ticks per second (HZ) */
+#define PM_TIMER_FREQUENCY 3579545
+
+
+/* ACPI fixed hardware registers */
+
+/* from linux/drivers/acpi/acpica/aclocal.h */
+/* Masks used to access the bit_registers */
+
+/* PM1x_STS */
+#define ACPI_BITMASK_TIMER_STATUS 0x0001
+#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
+#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
+#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
+#define ACPI_BITMASK_WAKE_STATUS 0x8000
+
+#define ACPI_BITMASK_ALL_FIXED_STATUS (\
+ ACPI_BITMASK_TIMER_STATUS | \
+ ACPI_BITMASK_BUS_MASTER_STATUS | \
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
+ ACPI_BITMASK_POWER_BUTTON_STATUS | \
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
+ ACPI_BITMASK_RT_CLOCK_STATUS | \
+ ACPI_BITMASK_WAKE_STATUS)
+
+/* PM1x_EN */
+#define ACPI_BITMASK_TIMER_ENABLE 0x0001
+#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
+#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
+
+/* PM1x_CNT */
+#define ACPI_BITMASK_SCI_ENABLE 0x0001
+#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
+#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
+#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
+#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
+
+/* PM2_CNT */
+#define ACPI_BITMASK_ARB_DISABLE 0x0001
+
+/* structs */
+typedef struct ACPIPMTimer ACPIPMTimer;
+typedef struct ACPIPM1EVT ACPIPM1EVT;
+typedef struct ACPIPM1CNT ACPIPM1CNT;
+typedef struct ACPIGPE ACPIGPE;
+typedef struct ACPIREGS ACPIREGS;
+
+typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
+
+struct ACPIPMTimer {
+ QEMUTimer *timer;
+ MemoryRegion io;
+ int64_t overflow_time;
+
+ acpi_update_sci_fn update_sci;
+};
+
+struct ACPIPM1EVT {
+ MemoryRegion io;
+ uint16_t sts;
+ uint16_t en;
+ acpi_update_sci_fn update_sci;
+};
+
+struct ACPIPM1CNT {
+ MemoryRegion io;
+ uint16_t cnt;
+ uint8_t s4_val;
+};
+
+struct ACPIGPE {
+ uint8_t len;
+
+ uint8_t *sts;
+ uint8_t *en;
+};
+
+struct ACPIREGS {
+ ACPIPMTimer tmr;
+ ACPIGPE gpe;
+ struct {
+ ACPIPM1EVT evt;
+ ACPIPM1CNT cnt;
+ } pm1;
+ Notifier wakeup;
+};
+
+/* PM_TMR */
+void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
+void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
+void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
+ MemoryRegion *parent);
+void acpi_pm_tmr_reset(ACPIREGS *ar);
+
+#include "qemu/timer.h"
+static inline int64_t acpi_pm_tmr_get_clock(void)
+{
+ return muldiv64(qemu_get_clock_ns(vm_clock), PM_TIMER_FREQUENCY,
+ get_ticks_per_sec());
+}
+
+/* PM1a_EVT: piix and ich9 don't implement PM1b. */
+uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
+void acpi_pm1_evt_power_down(ACPIREGS *ar);
+void acpi_pm1_evt_reset(ACPIREGS *ar);
+void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
+ MemoryRegion *parent);
+
+/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
+void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val);
+void acpi_pm1_cnt_update(ACPIREGS *ar,
+ bool sci_enable, bool sci_disable);
+void acpi_pm1_cnt_reset(ACPIREGS *ar);
+
+/* GPE0 */
+void acpi_gpe_init(ACPIREGS *ar, uint8_t len);
+void acpi_gpe_reset(ACPIREGS *ar);
+
+void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
+uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
+
+#endif /* !QEMU_HW_ACPI_H */
diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h
new file mode 100644
index 0000000000..85b82ee50c
--- /dev/null
+++ b/include/hw/acpi/ich9.h
@@ -0,0 +1,52 @@
+/*
+ * QEMU GMCH/ICH9 LPC PM Emulation
+ *
+ * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
+ * VA Linux Systems Japan K.K.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifndef HW_ACPI_ICH9_H
+#define HW_ACPI_ICH9_H
+
+#include "hw/acpi/acpi.h"
+
+typedef struct ICH9LPCPMRegs {
+ /*
+ * In ich9 spec says that pm1_cnt register is 32bit width and
+ * that the upper 16bits are reserved and unused.
+ * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t.
+ */
+ ACPIREGS acpi_regs;
+
+ MemoryRegion io;
+ MemoryRegion io_gpe;
+ MemoryRegion io_smi;
+
+ uint32_t smi_en;
+ uint32_t smi_sts;
+
+ qemu_irq irq; /* SCI */
+
+ uint32_t pm_io_base;
+ Notifier powerdown_notifier;
+} ICH9LPCPMRegs;
+
+void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
+ qemu_irq sci_irq, qemu_irq cmos_s3_resume);
+void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
+extern const VMStateDescription vmstate_ich9_pm;
+
+#endif /* HW_ACPI_ICH9_H */