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dma/cavs_hda: Adds link in/link out compatibles

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Adds hda link in and out drivers. The link in and link
out channels of HDA have small differences
with the host channels. Updates the existing
cavs_hda drivers and code to account for these
differences.

Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
This commit is contained in:
Tom Burdick 2022-04-06 17:26:33 -05:00 • committed by Anas Nashif
commit 2f320730a1
9 changed files with 225 additions and 12 deletions
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13
drivers/dma/dma_cavs_hda.h
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@ -7,7 +7,7 @@
#ifndef ZEPHYR_DRIVERS_DMA_DMA_CAVS_HDA_COMMON_H_
#define ZEPHYR_DRIVERS_DMA_DMA_CAVS_HDA_COMMON_H_
#define CAVS_HDA_MAX_CHANNELS 32
#define CAVS_HDA_MAX_CHANNELS DT_PROP(DT_NODELABEL(hda_host_out), dma_channels)
#include <drivers/dma.h>
@ -31,6 +31,17 @@ int cavs_hda_dma_host_out_config(const struct device *dev,
uint32_t channel,
struct dma_config *dma_cfg);
int cavs_hda_dma_link_in_config(const struct device *dev,
uint32_t channel,
struct dma_config *dma_cfg);
int cavs_hda_dma_link_out_config(const struct device *dev,
uint32_t channel,
struct dma_config *dma_cfg);
int cavs_hda_dma_link_reload(const struct device *dev, uint32_t channel,
uint32_t src, uint32_t dst, size_t size);
int cavs_hda_dma_host_reload(const struct device *dev, uint32_t channel,
uint32_t src, uint32_t dst, size_t size);