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-rw-r--r--sound/soc/atmel/atmel-pcm-dma.c25
-rw-r--r--sound/soc/atmel/atmel_ssc_dai.c54
2 files changed, 58 insertions, 21 deletions
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index 30184a4a147a..bb07989762d5 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -67,9 +67,10 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = {
static void atmel_pcm_dma_irq(u32 ssc_sr,
struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (ssc_sr & prtd->mask->ssc_error) {
if (snd_pcm_running(substream))
@@ -104,15 +105,13 @@ static bool filter(struct dma_chan *chan, void *slave)
}
static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params, struct atmel_pcm_dma_params *prtd)
{
- struct atmel_pcm_dma_params *prtd;
struct ssc_device *ssc;
struct dma_chan *dma_chan;
struct dma_slave_config slave_config;
int ret;
- prtd = snd_dmaengine_pcm_get_data(substream);
ssc = prtd->ssc;
ret = snd_hwparams_to_dma_slave_config(substream, params,
@@ -130,8 +129,6 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
slave_config.src_maxburst = 1;
}
- slave_config.device_fc = false;
-
dma_chan = snd_dmaengine_pcm_get_chan(substream);
if (dmaengine_slave_config(dma_chan, &slave_config)) {
pr_err("atmel-pcm: failed to configure dma channel\n");
@@ -164,9 +161,7 @@ static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- snd_dmaengine_pcm_set_data(substream, prtd);
-
- ret = atmel_pcm_configure_dma(substream, params);
+ ret = atmel_pcm_configure_dma(substream, params, prtd);
if (ret) {
pr_err("atmel-pcm: failed to configure dmai\n");
goto err;
@@ -182,9 +177,10 @@ err:
static int atmel_pcm_dma_prepare(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
ssc_writex(prtd->ssc->regs, SSC_IER, prtd->mask->ssc_error);
ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_enable);
@@ -199,16 +195,9 @@ static int atmel_pcm_open(struct snd_pcm_substream *substream)
return 0;
}
-static int atmel_pcm_close(struct snd_pcm_substream *substream)
-{
- snd_dmaengine_pcm_close(substream);
-
- return 0;
-}
-
static struct snd_pcm_ops atmel_pcm_ops = {
.open = atmel_pcm_open,
- .close = atmel_pcm_close,
+ .close = snd_dmaengine_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = atmel_pcm_hw_params,
.prepare = atmel_pcm_dma_prepare,
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index e13580d6c476..f3fdfa07fcb9 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -533,6 +533,49 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
break;
case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM:
+ /*
+ * DSP/PCM Mode A format, CODEC supplies BCLK and LRC clocks.
+ *
+ * The SSC transmit clock is obtained from the BCLK signal on
+ * on the TK line, and the SSC receive clock is
+ * generated from the transmit clock.
+ *
+ * Data is transferred on first BCLK after LRC pulse rising
+ * edge.If stereo, the right channel data is contiguous with
+ * the left channel data.
+ */
+ rcmr = SSC_BF(RCMR_PERIOD, 0)
+ | SSC_BF(RCMR_STTDLY, START_DELAY)
+ | SSC_BF(RCMR_START, SSC_START_RISING_RF)
+ | SSC_BF(RCMR_CKI, SSC_CKI_RISING)
+ | SSC_BF(RCMR_CKO, SSC_CKO_NONE)
+ | SSC_BF(RCMR_CKS, SSC_CKS_PIN);
+
+ rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
+ | SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
+ | SSC_BF(RFMR_FSLEN, 0)
+ | SSC_BF(RFMR_DATNB, (channels - 1))
+ | SSC_BIT(RFMR_MSBF)
+ | SSC_BF(RFMR_LOOP, 0)
+ | SSC_BF(RFMR_DATLEN, (bits - 1));
+
+ tcmr = SSC_BF(TCMR_PERIOD, 0)
+ | SSC_BF(TCMR_STTDLY, START_DELAY)
+ | SSC_BF(TCMR_START, SSC_START_RISING_RF)
+ | SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
+ | SSC_BF(TCMR_CKO, SSC_CKO_NONE)
+ | SSC_BF(TCMR_CKS, SSC_CKS_PIN);
+
+ tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
+ | SSC_BF(TFMR_FSDEN, 0)
+ | SSC_BF(TFMR_FSOS, SSC_FSOS_NONE)
+ | SSC_BF(TFMR_FSLEN, 0)
+ | SSC_BF(TFMR_DATNB, (channels - 1))
+ | SSC_BIT(TFMR_MSBF)
+ | SSC_BF(TFMR_DATDEF, 0)
+ | SSC_BF(TFMR_DATLEN, (bits - 1));
+ break;
+
default:
printk(KERN_WARNING "atmel_ssc_dai: unsupported DAI format 0x%x\n",
ssc_p->daifmt);
@@ -707,13 +750,18 @@ static struct snd_soc_dai_driver atmel_ssc_dai = {
.ops = &atmel_ssc_dai_ops,
};
+static const struct snd_soc_component_driver atmel_ssc_component = {
+ .name = "atmel-ssc",
+};
+
static int asoc_ssc_init(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct ssc_device *ssc = platform_get_drvdata(pdev);
int ret;
- ret = snd_soc_register_dai(dev, &atmel_ssc_dai);
+ ret = snd_soc_register_component(dev, &atmel_ssc_component,
+ &atmel_ssc_dai, 1);
if (ret) {
dev_err(dev, "Could not register DAI: %d\n", ret);
goto err;
@@ -732,7 +780,7 @@ static int asoc_ssc_init(struct device *dev)
return 0;
err_unregister_dai:
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_component(dev);
err:
return ret;
}
@@ -747,7 +795,7 @@ static void asoc_ssc_exit(struct device *dev)
else
atmel_pcm_pdc_platform_unregister(dev);
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_component(dev);
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-30 01:53:13 +0000