62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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* Copyright (c) 2022 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_DMA_DMA_CAVS_HDA_COMMON_H_
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#define ZEPHYR_DRIVERS_DMA_DMA_CAVS_HDA_COMMON_H_
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#define CAVS_HDA_MAX_CHANNELS DT_PROP(DT_NODELABEL(hda_host_out), dma_channels)
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#include <zephyr/drivers/dma.h>
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struct cavs_hda_dma_data {
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struct dma_context ctx;
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ATOMIC_DEFINE(channels_atomic, CAVS_HDA_MAX_CHANNELS);
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};
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struct cavs_hda_dma_cfg {
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uint32_t base;
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uint32_t dma_channels;
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enum dma_channel_direction direction;
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};
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int cavs_hda_dma_host_in_config(const struct device *dev,
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uint32_t channel,
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struct dma_config *dma_cfg);
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int cavs_hda_dma_host_out_config(const struct device *dev,
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uint32_t channel,
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struct dma_config *dma_cfg);
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int cavs_hda_dma_link_in_config(const struct device *dev,
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uint32_t channel,
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struct dma_config *dma_cfg);
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int cavs_hda_dma_link_out_config(const struct device *dev,
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uint32_t channel,
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struct dma_config *dma_cfg);
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int cavs_hda_dma_link_reload(const struct device *dev, uint32_t channel,
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uint32_t src, uint32_t dst, size_t size);
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int cavs_hda_dma_host_reload(const struct device *dev, uint32_t channel,
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uint32_t src, uint32_t dst, size_t size);
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int cavs_hda_dma_status(const struct device *dev, uint32_t channel,
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struct dma_status *stat);
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bool cavs_hda_dma_chan_filter(const struct device *dev, int channel,
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void *filter_param);
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int cavs_hda_dma_start(const struct device *dev, uint32_t channel);
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int cavs_hda_dma_stop(const struct device *dev, uint32_t channel);
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int cavs_hda_dma_init(const struct device *dev);
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#endif /* ZEPHYR_DRIVERS_DMA_DMA_CAVS_HDA_COMMON_H_ */
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