[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/x86/kvm/i8254.h b/src/kernel/linux/v4.14/arch/x86/kvm/i8254.h
new file mode 100644
index 0000000..394d952
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/x86/kvm/i8254.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __I8254_H
+#define __I8254_H
+
+#include <linux/kthread.h>
+
+#include <kvm/iodev.h>
+
+struct kvm_kpit_channel_state {
+ u32 count; /* can be 65536 */
+ u16 latched_count;
+ u8 count_latched;
+ u8 status_latched;
+ u8 status;
+ u8 read_state;
+ u8 write_state;
+ u8 write_latch;
+ u8 rw_mode;
+ u8 mode;
+ u8 bcd; /* not supported */
+ u8 gate; /* timer start */
+ ktime_t count_load_time;
+};
+
+struct kvm_kpit_state {
+ /* All members before "struct mutex lock" are protected by the lock. */
+ struct kvm_kpit_channel_state channels[3];
+ u32 flags;
+ bool is_periodic;
+ s64 period; /* unit: ns */
+ struct hrtimer timer;
+ u32 speaker_data_on;
+
+ struct mutex lock;
+ atomic_t reinject;
+ atomic_t pending; /* accumulated triggered timers */
+ atomic_t irq_ack;
+ struct kvm_irq_ack_notifier irq_ack_notifier;
+};
+
+struct kvm_pit {
+ struct kvm_io_device dev;
+ struct kvm_io_device speaker_dev;
+ struct kvm *kvm;
+ struct kvm_kpit_state pit_state;
+ int irq_source_id;
+ struct kvm_irq_mask_notifier mask_notifier;
+ struct kthread_worker *worker;
+ struct kthread_work expired;
+};
+
+#define KVM_PIT_BASE_ADDRESS 0x40
+#define KVM_SPEAKER_BASE_ADDRESS 0x61
+#define KVM_PIT_MEM_LENGTH 4
+#define KVM_PIT_FREQ 1193181
+#define KVM_MAX_PIT_INTR_INTERVAL HZ / 100
+#define KVM_PIT_CHANNEL_MASK 0x3
+
+struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags);
+void kvm_free_pit(struct kvm *kvm);
+
+void kvm_pit_load_count(struct kvm_pit *pit, int channel, u32 val,
+ int hpet_legacy_start);
+void kvm_pit_set_reinject(struct kvm_pit *pit, bool reinject);
+
+#endif