ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/sound/soc/intel/common/sst-ipc.h b/marvell/linux/sound/soc/intel/common/sst-ipc.h
new file mode 100644
index 0000000..08c4831
--- /dev/null
+++ b/marvell/linux/sound/soc/intel/common/sst-ipc.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Intel SST generic IPC Support
+ *
+ * Copyright (C) 2015, Intel Corporation. All rights reserved.
+ */
+
+#ifndef __SST_GENERIC_IPC_H
+#define __SST_GENERIC_IPC_H
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/workqueue.h>
+#include <linux/sched.h>
+
+#define IPC_MAX_MAILBOX_BYTES 256
+
+struct sst_ipc_message {
+ u64 header;
+ void *data;
+ size_t size;
+};
+
+struct ipc_message {
+ struct list_head list;
+ struct sst_ipc_message tx;
+ struct sst_ipc_message rx;
+
+ wait_queue_head_t waitq;
+ bool pending;
+ bool complete;
+ bool wait;
+ int errno;
+};
+
+struct sst_generic_ipc;
+struct sst_dsp;
+
+struct sst_plat_ipc_ops {
+ void (*tx_msg)(struct sst_generic_ipc *, struct ipc_message *);
+ void (*shim_dbg)(struct sst_generic_ipc *, const char *);
+ void (*tx_data_copy)(struct ipc_message *, char *, size_t);
+ u64 (*reply_msg_match)(u64 header, u64 *mask);
+ bool (*is_dsp_busy)(struct sst_dsp *dsp);
+ int (*check_dsp_lp_on)(struct sst_dsp *dsp, bool state);
+};
+
+/* SST generic IPC data */
+struct sst_generic_ipc {
+ struct device *dev;
+ struct sst_dsp *dsp;
+
+ /* IPC messaging */
+ struct list_head tx_list;
+ struct list_head rx_list;
+ struct list_head empty_list;
+ wait_queue_head_t wait_txq;
+ struct task_struct *tx_thread;
+ struct work_struct kwork;
+ bool pending;
+ struct ipc_message *msg;
+ int tx_data_max_size;
+ int rx_data_max_size;
+
+ struct sst_plat_ipc_ops ops;
+};
+
+int sst_ipc_tx_message_wait(struct sst_generic_ipc *ipc,
+ struct sst_ipc_message request, struct sst_ipc_message *reply);
+
+int sst_ipc_tx_message_nowait(struct sst_generic_ipc *ipc,
+ struct sst_ipc_message request);
+
+int sst_ipc_tx_message_nopm(struct sst_generic_ipc *ipc,
+ struct sst_ipc_message request, struct sst_ipc_message *reply);
+
+struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc,
+ u64 header);
+
+void sst_ipc_tx_msg_reply_complete(struct sst_generic_ipc *ipc,
+ struct ipc_message *msg);
+
+void sst_ipc_drop_all(struct sst_generic_ipc *ipc);
+int sst_ipc_init(struct sst_generic_ipc *ipc);
+void sst_ipc_fini(struct sst_generic_ipc *ipc);
+
+#endif