1 files changed, 58 insertions, 107 deletions

diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 5552c66ca642..a428ff393ea2 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -75,12 +75,10 @@ int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
 }
 EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_prepare_slave_config);
 
-static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
+static int dmaengine_pcm_hw_params(struct snd_soc_component *component,
+				   struct snd_pcm_substream *substream,
+				   struct snd_pcm_hw_params *params)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
 	int (*prepare_slave_config)(struct snd_pcm_substream *substream,
@@ -109,21 +107,16 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
 }
 
-static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substream)
+static int
+dmaengine_pcm_set_runtime_hwparams(struct snd_soc_component *component,
+				   struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct device *dma_dev = dmaengine_dma_dev(pcm, substream);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	struct snd_dmaengine_dai_dma_data *dma_data;
-	struct dma_slave_caps dma_caps;
 	struct snd_pcm_hardware hw;
-	u32 addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
-			  BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
-			  BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
-	snd_pcm_format_t i;
 	int ret;
 
 	if (pcm->config && pcm->config->pcm_hardware)
@@ -145,82 +138,53 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea
 	if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE)
 		hw.info |= SNDRV_PCM_INFO_BATCH;
 
-	ret = dma_get_slave_caps(chan, &dma_caps);
-	if (ret == 0) {
-		if (dma_caps.cmd_pause && dma_caps.cmd_resume)
-			hw.info |= SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME;
-		if (dma_caps.residue_granularity <= DMA_RESIDUE_GRANULARITY_SEGMENT)
-			hw.info |= SNDRV_PCM_INFO_BATCH;
-
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			addr_widths = dma_caps.dst_addr_widths;
-		else
-			addr_widths = dma_caps.src_addr_widths;
-	}
-
-	/*
-	 * If SND_DMAENGINE_PCM_DAI_FLAG_PACK is set keep
-	 * hw.formats set to 0, meaning no restrictions are in place.
-	 * In this case it's the responsibility of the DAI driver to
-	 * provide the supported format information.
-	 */
-	if (!(dma_data->flags & SND_DMAENGINE_PCM_DAI_FLAG_PACK))
-		/*
-		 * Prepare formats mask for valid/allowed sample types. If the
-		 * dma does not have support for the given physical word size,
-		 * it needs to be masked out so user space can not use the
-		 * format which produces corrupted audio.
-		 * In case the dma driver does not implement the slave_caps the
-		 * default assumption is that it supports 1, 2 and 4 bytes
-		 * widths.
-		 */
-		for (i = SNDRV_PCM_FORMAT_FIRST; i <= SNDRV_PCM_FORMAT_LAST; i++) {
-			int bits = snd_pcm_format_physical_width(i);
-
-			/*
-			 * Enable only samples with DMA supported physical
-			 * widths
-			 */
-			switch (bits) {
-			case 8:
-			case 16:
-			case 24:
-			case 32:
-			case 64:
-				if (addr_widths & (1 << (bits / 8)))
-					hw.formats |= pcm_format_to_bits(i);
-				break;
-			default:
-				/* Unsupported types */
-				break;
-			}
-		}
+	ret = snd_dmaengine_pcm_refine_runtime_hwparams(substream,
+							dma_data,
+							&hw,
+							chan);
+	if (ret)
+		return ret;
 
 	return snd_soc_set_runtime_hwparams(substream, &hw);
 }
 
-static int dmaengine_pcm_open(struct snd_pcm_substream *substream)
+static int dmaengine_pcm_open(struct snd_soc_component *component,
+			      struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	int ret;
 
-	ret = dmaengine_pcm_set_runtime_hwparams(substream);
+	ret = dmaengine_pcm_set_runtime_hwparams(component, substream);
 	if (ret)
 		return ret;
 
 	return snd_dmaengine_pcm_open(substream, chan);
 }
 
+static int dmaengine_pcm_close(struct snd_soc_component *component,
+			       struct snd_pcm_substream *substream)
+{
+	return snd_dmaengine_pcm_close(substream);
+}
+
+static int dmaengine_pcm_hw_free(struct snd_soc_component *component,
+				 struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_pages(substream);
+}
+
+static int dmaengine_pcm_trigger(struct snd_soc_component *component,
+				 struct snd_pcm_substream *substream, int cmd)
+{
+	return snd_dmaengine_pcm_trigger(substream, cmd);
+}
+
 static struct dma_chan *dmaengine_pcm_compat_request_channel(
+	struct snd_soc_component *component,
 	struct snd_soc_pcm_runtime *rtd,
 	struct snd_pcm_substream *substream)
 {
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct snd_dmaengine_dai_dma_data *dma_data;
 	dma_filter_fn fn = NULL;
@@ -258,10 +222,9 @@ static bool dmaengine_pcm_can_report_residue(struct device *dev,
 	return true;
 }
 
-static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int dmaengine_pcm_new(struct snd_soc_component *component,
+			     struct snd_soc_pcm_runtime *rtd)
 {
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	const struct snd_dmaengine_pcm_config *config = pcm->config;
 	struct device *dev = component->dev;
@@ -288,8 +251,8 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 				config->chan_names[i]);
 
 		if (!pcm->chan[i] && (pcm->flags & SND_DMAENGINE_PCM_FLAG_COMPAT)) {
-			pcm->chan[i] = dmaengine_pcm_compat_request_channel(rtd,
-				substream);
+			pcm->chan[i] = dmaengine_pcm_compat_request_channel(
+				component, rtd, substream);
 		}
 
 		if (!pcm->chan[i]) {
@@ -318,11 +281,9 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 }
 
 static snd_pcm_uframes_t dmaengine_pcm_pointer(
+	struct snd_soc_component *component,
 	struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 
 	if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE)
@@ -331,13 +292,11 @@ static snd_pcm_uframes_t dmaengine_pcm_pointer(
 		return snd_dmaengine_pcm_pointer(substream);
 }
 
-static int dmaengine_copy_user(struct snd_pcm_substream *substream,
+static int dmaengine_copy_user(struct snd_soc_component *component,
+			       struct snd_pcm_substream *substream,
 			       int channel, unsigned long hwoff,
 			       void __user *buf, unsigned long bytes)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component =
-		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	int (*process)(struct snd_pcm_substream *substream,
@@ -365,39 +324,31 @@ static int dmaengine_copy_user(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static const struct snd_pcm_ops dmaengine_pcm_ops = {
+static const struct snd_soc_component_driver dmaengine_pcm_component = {
+	.name		= SND_DMAENGINE_PCM_DRV_NAME,
+	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.open		= dmaengine_pcm_open,
-	.close		= snd_dmaengine_pcm_close,
-	.ioctl		= snd_pcm_lib_ioctl,
+	.close		= dmaengine_pcm_close,
+	.ioctl		= snd_soc_pcm_lib_ioctl,
 	.hw_params	= dmaengine_pcm_hw_params,
-	.hw_free	= snd_pcm_lib_free_pages,
-	.trigger	= snd_dmaengine_pcm_trigger,
+	.hw_free	= dmaengine_pcm_hw_free,
+	.trigger	= dmaengine_pcm_trigger,
 	.pointer	= dmaengine_pcm_pointer,
+	.pcm_construct	= dmaengine_pcm_new,
 };
 
-static const struct snd_pcm_ops dmaengine_pcm_process_ops = {
+static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
+	.name		= SND_DMAENGINE_PCM_DRV_NAME,
+	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.open		= dmaengine_pcm_open,
-	.close		= snd_dmaengine_pcm_close,
-	.ioctl		= snd_pcm_lib_ioctl,
+	.close		= dmaengine_pcm_close,
+	.ioctl		= snd_soc_pcm_lib_ioctl,
 	.hw_params	= dmaengine_pcm_hw_params,
-	.hw_free	= snd_pcm_lib_free_pages,
-	.trigger	= snd_dmaengine_pcm_trigger,
+	.hw_free	= dmaengine_pcm_hw_free,
+	.trigger	= dmaengine_pcm_trigger,
 	.pointer	= dmaengine_pcm_pointer,
 	.copy_user	= dmaengine_copy_user,
-};
-
-static const struct snd_soc_component_driver dmaengine_pcm_component = {
-	.name		= SND_DMAENGINE_PCM_DRV_NAME,
-	.probe_order	= SND_SOC_COMP_ORDER_LATE,
-	.ops		= &dmaengine_pcm_ops,
-	.pcm_new	= dmaengine_pcm_new,
-};
-
-static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
-	.name		= SND_DMAENGINE_PCM_DRV_NAME,
-	.probe_order	= SND_SOC_COMP_ORDER_LATE,
-	.ops		= &dmaengine_pcm_process_ops,
-	.pcm_new	= dmaengine_pcm_new,
+	.pcm_construct	= dmaengine_pcm_new,
 };
 
 static const char * const dmaengine_pcm_dma_channel_names[] = {
@@ -436,7 +387,7 @@ static int dmaengine_pcm_request_chan_of(struct dmaengine_pcm *pcm,
 			name = dmaengine_pcm_dma_channel_names[i];
 		if (config && config->chan_names[i])
 			name = config->chan_names[i];
-		chan = dma_request_slave_channel_reason(dev, name);
+		chan = dma_request_chan(dev, name);
 		if (IS_ERR(chan)) {
 			if (PTR_ERR(chan) == -EPROBE_DEFER)
 				return -EPROBE_DEFER;