linux/sound/soc/intel/skylake/skl-sst-ipc.h

/* 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 { … };

struct skl_ipc_dxstate_info { … };

struct skl_ipc_header { … };

struct skl_dsp_cores { … };

/**
 * 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 { … };

#define SKL_LIB_NAME_LENGTH …
#define SKL_MAX_LIB …

struct skl_lib_info { … };

struct skl_ipc_init_instance_msg { … };

struct skl_ipc_bind_unbind_msg { … };

struct skl_ipc_large_config_msg { … };

struct skl_ipc_d0ix_msg { … };

#define SKL_IPC_BOOT_MSECS …

#define SKL_IPC_D3_MASK …
#define SKL_IPC_D0_MASK …

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 */