dma: hda: trigger link commit at dma_start (7eeeff5c) · Commits · Wenxi XU / zephyr

drivers/dma/dma_intel_adsp_hda.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -226,10 +226,15 @@ bool intel_adsp_hda_dma_chan_filter(const struct device *dev, int channel, void
		int intel_adsp_hda_dma_start(const struct device *dev, uint32_t channel)
		{
		const struct intel_adsp_hda_dma_cfg *const cfg = dev->config;
		uint32_t size;

		__ASSERT(channel < cfg->dma_channels, "Channel does not exist");

		intel_adsp_hda_enable(cfg->base, cfg->regblock_size, channel);
		if (cfg->direction == MEMORY_TO_PERIPHERAL) {
		size = intel_adsp_hda_get_buffer_size(cfg->base, cfg->regblock_size, channel);
		intel_adsp_hda_link_commit(cfg->base, cfg->regblock_size, channel, size);
		}

		return 0;
		}

+17 −0

Original line number	Diff line number	Diff line
		@@ -184,6 +184,23 @@ static inline int intel_adsp_hda_set_buffer(uint32_t base,
		return 0;
		}

		/**
		* @brief Get the buffer size
		*
		* @param hda Stream set to work with
		* @param regblock_size Register block size
		* @param sid Stream ID
		*
		* @retval buf_size Buffer size in bytes
		*/
		static inline uint32_t intel_adsp_hda_get_buffer_size(uint32_t base,
		uint32_t regblock_size,
		uint32_t sid)
		{

		return *DGBS(base, regblock_size, sid);
		}

		/**
		* @brief Enable the stream
		*