ASoC: amd: add acp3x i2s ops (2b5f290e) · Commits · 戴 / test

sound/soc/amd/raven/acp3x-pcm-dma.c

+86 −3

Original line number	Diff line number	Diff line
		@@ -423,10 +423,93 @@ static struct snd_pcm_ops acp3x_dma_ops = {
		.mmap = acp3x_dma_mmap,
		};

		static int acp3x_dai_i2s_hwparams(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params,
		struct snd_soc_dai *dai)
		{
		u32 val = 0;
		struct i2s_stream_instance *rtd = substream->runtime->private_data;

		switch (params_format(params)) {
		case SNDRV_PCM_FORMAT_U8:
		case SNDRV_PCM_FORMAT_S8:
		rtd->xfer_resolution = 0x0;
		break;
		case SNDRV_PCM_FORMAT_S16_LE:
		rtd->xfer_resolution = 0x02;
		break;
		case SNDRV_PCM_FORMAT_S24_LE:
		rtd->xfer_resolution = 0x04;
		break;
		case SNDRV_PCM_FORMAT_S32_LE:
		rtd->xfer_resolution = 0x05;
		break;
		default:
		return -EINVAL;
		}
		val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
		val = val \| (rtd->xfer_resolution << 3);
		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
		else
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);

		return 0;
		}

		static int acp3x_dai_i2s_trigger(struct snd_pcm_substream *substream,
		int cmd, struct snd_soc_dai *dai)
		{
		int ret = 0;
		struct i2s_stream_instance *rtd = substream->runtime->private_data;
		u32 val, period_bytes;

		period_bytes = frames_to_bytes(substream->runtime,
		substream->runtime->period_size);
		switch (cmd) {
		case SNDRV_PCM_TRIGGER_START:
		case SNDRV_PCM_TRIGGER_RESUME:
		case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		rv_writel(period_bytes, rtd->acp3x_base +
		mmACP_BT_TX_INTR_WATERMARK_SIZE);
		val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
		val = val \| BIT(0);
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
		} else {
		rv_writel(period_bytes, rtd->acp3x_base +
		mmACP_BT_RX_INTR_WATERMARK_SIZE);
		val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_IRER);
		val = val \| BIT(0);
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);
		}
		rv_writel(1, rtd->acp3x_base + mmACP_BTTDM_IER);
		break;
		case SNDRV_PCM_TRIGGER_STOP:
		case SNDRV_PCM_TRIGGER_SUSPEND:
		case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_ITER);
		val = val & ~BIT(0);
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_ITER);
		} else {
		val = rv_readl(rtd->acp3x_base + mmACP_BTTDM_IRER);
		val = val & ~BIT(0);
		rv_writel(val, rtd->acp3x_base + mmACP_BTTDM_IRER);
		}
		rv_writel(0, rtd->acp3x_base + mmACP_BTTDM_IER);
		break;
		default:
		ret = -EINVAL;
		break;
		}

		return ret;
		}

		struct snd_soc_dai_ops acp3x_dai_i2s_ops = {
		.hw_params = NULL,
		.trigger = NULL,
		.set_fmt = NULL,
		.hw_params = acp3x_dai_i2s_hwparams,
		.trigger = acp3x_dai_i2s_trigger,
		};

		static struct snd_soc_dai_driver acp3x_i2s_dai_driver = {

Admin message