drivers/dma/dma_intel_adsp_hda.h

/*
 * Copyright (c) 2022 Intel Corporation.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef ZEPHYR_DRIVERS_DMA_INTEL_ADSP_HDA_COMMON_H_
#define ZEPHYR_DRIVERS_DMA_INTEL_ADSP_HDA_COMMON_H_

#define INTEL_ADSP_HDA_MAX_CHANNELS DT_PROP(DT_NODELABEL(hda_host_out), dma_channels)

/* Minimum recommended FPI increment */
#define INTEL_HDA_MIN_FPI_INCREMENT_FOR_INTERRUPT 32

#include <zephyr/drivers/dma.h>
#include <zephyr/pm/device.h>
#include <zephyr/pm/device_runtime.h>

struct intel_adsp_hda_dma_data {
	struct dma_context ctx;

	ATOMIC_DEFINE(channels_atomic, INTEL_ADSP_HDA_MAX_CHANNELS);
};

struct intel_adsp_hda_dma_cfg {
	uint32_t base;
	uint32_t regblock_size;
	uint32_t dma_channels;
	enum dma_channel_direction direction;
	void (*irq_config)(void);
};

int intel_adsp_hda_dma_host_in_config(const struct device *dev,
				       uint32_t channel,
				struct dma_config *dma_cfg);

int intel_adsp_hda_dma_host_out_config(const struct device *dev,
					uint32_t channel,
					struct dma_config *dma_cfg);

int intel_adsp_hda_dma_link_in_config(const struct device *dev,
				       uint32_t channel,
				struct dma_config *dma_cfg);

int intel_adsp_hda_dma_link_out_config(const struct device *dev,
					uint32_t channel,
					struct dma_config *dma_cfg);

int intel_adsp_hda_dma_link_reload(const struct device *dev, uint32_t channel,
				    uint32_t src, uint32_t dst, size_t size);

int intel_adsp_hda_dma_host_reload(const struct device *dev, uint32_t channel,
				    uint32_t src, uint32_t dst, size_t size);

int intel_adsp_hda_dma_status(const struct device *dev, uint32_t channel,
			struct dma_status *stat);

bool intel_adsp_hda_dma_chan_filter(const struct device *dev, int channel,
			      void *filter_param);

int intel_adsp_hda_dma_start(const struct device *dev, uint32_t channel);

int intel_adsp_hda_dma_stop(const struct device *dev, uint32_t channel);

int intel_adsp_hda_dma_init(const struct device *dev);

int intel_adsp_hda_dma_get_attribute(const struct device *dev, uint32_t type, uint32_t *value);

void intel_adsp_hda_dma_isr(void);

#ifdef CONFIG_PM_DEVICE
int intel_adsp_hda_dma_pm_action(const struct device *dev, enum pm_device_action action);
#endif

#endif /* ZEPHYR_DRIVERS_DMA_INTEL_ADSP_HDA_COMMON_H_ */