C++ (Cpp) mcasp_start_tx Examples

Example #1

File: davinci-mcasp.c Project: ravishankarkm/openboard-source-code

static void davinci_mcasp_start(struct davinci_audio_dev *dev, int stream)
{
	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
		if (dev->txnumevt) {	/* flush and enable FIFO */
			if (dev->version == MCASP_VERSION_3) {
				mcasp_clr_bits(dev->base + MCASP_VER3_WFIFOCTL,
								FIFO_ENABLE);
				mcasp_set_bits(dev->base + MCASP_VER3_WFIFOCTL,
								FIFO_ENABLE);
			} else {
				mcasp_clr_bits(dev->base + DAVINCI_MCASP_WFIFOCTL,
								FIFO_ENABLE);
				mcasp_set_bits(dev->base + DAVINCI_MCASP_WFIFOCTL,
								FIFO_ENABLE);
			}
		}
		mcasp_start_tx(dev);
	} else {
		if (dev->rxnumevt) {	/* flush and enable FIFO */
			if (dev->version == MCASP_VERSION_3) {
				mcasp_clr_bits(dev->base + MCASP_VER3_RFIFOCTL,
								FIFO_ENABLE);
				mcasp_set_bits(dev->base + MCASP_VER3_RFIFOCTL,
								FIFO_ENABLE);
			} else {
				mcasp_clr_bits(dev->base + DAVINCI_MCASP_RFIFOCTL,
								FIFO_ENABLE);
				mcasp_set_bits(dev->base + DAVINCI_MCASP_RFIFOCTL,
								FIFO_ENABLE);
			}
		}
		mcasp_start_rx(dev);
	}
}

Example #2

File: davinci-mcasp.c Project: 3sOx/asuswrt-merlin

static void davinci_mcasp_start(struct davinci_audio_dev *dev, int stream)
{
	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
		if (dev->txnumevt)	/* enable FIFO */
			mcasp_set_bits(dev->base + DAVINCI_MCASP_WFIFOCTL,
								FIFO_ENABLE);
		mcasp_start_tx(dev);
	} else {
		if (dev->rxnumevt)	/* enable FIFO */
			mcasp_set_bits(dev->base + DAVINCI_MCASP_RFIFOCTL,
								FIFO_ENABLE);
		mcasp_start_rx(dev);
	}
}