1 files changed, 169 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h
new file mode 100644
index 000000000..aaaab3b3e
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-sst-ipc.h
@@ -0,0 +1,169 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Intel SKL IPC Support
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ */
+
+#ifndef __SKL_IPC_H
+#define __SKL_IPC_H
+
+#include <linux/irqreturn.h>
+#include "../common/sst-ipc.h"
+#include "skl-sst-dsp.h"
+
+struct sst_dsp;
+struct sst_generic_ipc;
+
+enum skl_ipc_pipeline_state {
+	PPL_INVALID_STATE =	0,
+	PPL_UNINITIALIZED =	1,
+	PPL_RESET =		2,
+	PPL_PAUSED =		3,
+	PPL_RUNNING =		4,
+	PPL_ERROR_STOP =	5,
+	PPL_SAVED =		6,
+	PPL_RESTORED =		7
+};
+
+struct skl_ipc_dxstate_info {
+	u32 core_mask;
+	u32 dx_mask;
+};
+
+struct skl_ipc_header {
+	u32 primary;
+	u32 extension;
+};
+
+struct skl_dsp_cores {
+	unsigned int count;
+	enum skl_dsp_states *state;
+	int *usage_count;
+};
+
+/**
+ * skl_d0i3_data: skl D0i3 counters data struct
+ *
+ * @streaming: Count of usecases that can attempt streaming D0i3
+ * @non_streaming: Count of usecases that can attempt non-streaming D0i3
+ * @non_d0i3: Count of usecases that cannot attempt D0i3
+ * @state: current state
+ * @work: D0i3 worker thread
+ */
+struct skl_d0i3_data {
+	int streaming;
+	int non_streaming;
+	int non_d0i3;
+	enum skl_dsp_d0i3_states state;
+	struct delayed_work work;
+};
+
+#define SKL_LIB_NAME_LENGTH 128
+#define SKL_MAX_LIB 16
+
+struct skl_lib_info {
+	char name[SKL_LIB_NAME_LENGTH];
+	const struct firmware *fw;
+};
+
+struct skl_ipc_init_instance_msg {
+	u32 module_id;
+	u32 instance_id;
+	u16 param_data_size;
+	u8 ppl_instance_id;
+	u8 core_id;
+	u8 domain;
+};
+
+struct skl_ipc_bind_unbind_msg {
+	u32 module_id;
+	u32 instance_id;
+	u32 dst_module_id;
+	u32 dst_instance_id;
+	u8 src_queue;
+	u8 dst_queue;
+	bool bind;
+};
+
+struct skl_ipc_large_config_msg {
+	u32 module_id;
+	u32 instance_id;
+	u32 large_param_id;
+	u32 param_data_size;
+};
+
+struct skl_ipc_d0ix_msg {
+	u32 module_id;
+	u32 instance_id;
+	u8 streaming;
+	u8 wake;
+};
+
+#define SKL_IPC_BOOT_MSECS		3000
+
+#define SKL_IPC_D3_MASK	0
+#define SKL_IPC_D0_MASK	3
+
+irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
+
+int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc,
+		u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode);
+
+int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
+
+int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc,
+		u8 instance_id,	enum skl_ipc_pipeline_state state);
+
+int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
+		u8 instance_id, int dma_id);
+
+int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
+
+int skl_ipc_init_instance(struct sst_generic_ipc *ipc,
+		struct skl_ipc_init_instance_msg *msg, void *param_data);
+
+int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc,
+		struct skl_ipc_bind_unbind_msg *msg);
+
+int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
+				u8 module_cnt, void *data);
+
+int skl_ipc_unload_modules(struct sst_generic_ipc *ipc,
+				u8 module_cnt, void *data);
+
+int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
+		u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
+
+int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
+		struct skl_ipc_large_config_msg *msg, u32 *param);
+
+int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
+		struct skl_ipc_large_config_msg *msg,
+		u32 **payload, size_t *bytes);
+
+int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
+			u8 dma_id, u8 table_id, bool wait);
+
+int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc,
+		struct skl_ipc_d0ix_msg *msg);
+
+int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state);
+
+void skl_ipc_int_enable(struct sst_dsp *ctx);
+void skl_ipc_op_int_enable(struct sst_dsp *ctx);
+void skl_ipc_op_int_disable(struct sst_dsp *ctx);
+void skl_ipc_int_disable(struct sst_dsp *ctx);
+
+bool skl_ipc_int_status(struct sst_dsp *ctx);
+void skl_ipc_free(struct sst_generic_ipc *ipc);
+int skl_ipc_init(struct device *dev, struct skl_dev *skl);
+void skl_clear_module_cnt(struct sst_dsp *ctx);
+
+void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
+		struct skl_ipc_header header);
+int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
+		struct skl_ipc_header header);
+void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
+		size_t tx_size);
+#endif /* __SKL_IPC_H */