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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/uniphier/aio-dma.c
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@@ -93,7 +93,8 @@
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 	return ret;
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 }
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-static int uniphier_aiodma_open(struct snd_pcm_substream *substream)
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+static int uniphier_aiodma_open(struct snd_soc_component *component,
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+				struct snd_pcm_substream *substream)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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@@ -103,28 +104,12 @@
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 		SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256);
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 }
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-static int uniphier_aiodma_hw_params(struct snd_pcm_substream *substream,
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-				     struct snd_pcm_hw_params *params)
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-{
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-	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
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-	substream->runtime->dma_bytes = params_buffer_bytes(params);
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-
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-	return 0;
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-}
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-
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-static int uniphier_aiodma_hw_free(struct snd_pcm_substream *substream)
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-{
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-	snd_pcm_set_runtime_buffer(substream, NULL);
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-	substream->runtime->dma_bytes = 0;
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-
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-	return 0;
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-}
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-
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-static int uniphier_aiodma_prepare(struct snd_pcm_substream *substream)
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+static int uniphier_aiodma_prepare(struct snd_soc_component *component,
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+				   struct snd_pcm_substream *substream)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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-	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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-	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct uniphier_aio *aio = uniphier_priv(asoc_rtd_to_cpu(rtd, 0));
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 	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
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 	int bytes = runtime->period_size *
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 		runtime->channels * samples_to_bytes(runtime, 1);
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@@ -146,11 +131,12 @@
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 	return 0;
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 }
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-static int uniphier_aiodma_trigger(struct snd_pcm_substream *substream, int cmd)
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+static int uniphier_aiodma_trigger(struct snd_soc_component *component,
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+				   struct snd_pcm_substream *substream, int cmd)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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-	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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-	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct uniphier_aio *aio = uniphier_priv(asoc_rtd_to_cpu(rtd, 0));
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 	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
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 	struct device *dev = &aio->chip->pdev->dev;
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 	int bytes = runtime->period_size *
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@@ -181,11 +167,12 @@
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 }
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 static snd_pcm_uframes_t uniphier_aiodma_pointer(
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+					struct snd_soc_component *component,
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 					struct snd_pcm_substream *substream)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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-	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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-	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct uniphier_aio *aio = uniphier_priv(asoc_rtd_to_cpu(rtd, 0));
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 	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
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 	int bytes = runtime->period_size *
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 		runtime->channels * samples_to_bytes(runtime, 1);
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@@ -204,28 +191,19 @@
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 	return pos;
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 }
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-static int uniphier_aiodma_mmap(struct snd_pcm_substream *substream,
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+static int uniphier_aiodma_mmap(struct snd_soc_component *component,
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+				struct snd_pcm_substream *substream,
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 				struct vm_area_struct *vma)
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 {
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 	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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 	return remap_pfn_range(vma, vma->vm_start,
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-			       substream->dma_buffer.addr >> PAGE_SHIFT,
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+			       substream->runtime->dma_addr >> PAGE_SHIFT,
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 			       vma->vm_end - vma->vm_start, vma->vm_page_prot);
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 }
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-static const struct snd_pcm_ops uniphier_aiodma_ops = {
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-	.open      = uniphier_aiodma_open,
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-	.ioctl     = snd_pcm_lib_ioctl,
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-	.hw_params = uniphier_aiodma_hw_params,
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-	.hw_free   = uniphier_aiodma_hw_free,
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-	.prepare   = uniphier_aiodma_prepare,
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-	.trigger   = uniphier_aiodma_trigger,
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-	.pointer   = uniphier_aiodma_pointer,
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-	.mmap      = uniphier_aiodma_mmap,
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-};
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-
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-static int uniphier_aiodma_new(struct snd_soc_pcm_runtime *rtd)
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+static int uniphier_aiodma_new(struct snd_soc_component *component,
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+			       struct snd_soc_pcm_runtime *rtd)
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 {
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 	struct device *dev = rtd->card->snd_card->dev;
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 	struct snd_pcm *pcm = rtd->pcm;
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@@ -235,22 +213,21 @@
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 	if (ret)
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 		return ret;
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-	return snd_pcm_lib_preallocate_pages_for_all(pcm,
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+	snd_pcm_set_managed_buffer_all(pcm,
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 		SNDRV_DMA_TYPE_DEV, dev,
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 		uniphier_aiodma_hw.buffer_bytes_max,
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 		uniphier_aiodma_hw.buffer_bytes_max);
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-}
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-
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-static void uniphier_aiodma_free(struct snd_pcm *pcm)
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-{
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-	snd_pcm_lib_preallocate_free_for_all(pcm);
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+	return 0;
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 }
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 static const struct snd_soc_component_driver uniphier_soc_platform = {
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-	.pcm_new   = uniphier_aiodma_new,
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-	.pcm_free  = uniphier_aiodma_free,
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-	.ops       = &uniphier_aiodma_ops,
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-	.compr_ops = &uniphier_aio_compr_ops,
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+	.open		= uniphier_aiodma_open,
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+	.prepare	= uniphier_aiodma_prepare,
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+	.trigger	= uniphier_aiodma_trigger,
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+	.pointer	= uniphier_aiodma_pointer,
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+	.mmap		= uniphier_aiodma_mmap,
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+	.pcm_construct	= uniphier_aiodma_new,
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+	.compress_ops	= &uniphier_aio_compress_ops,
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 };
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 static const struct regmap_config aiodma_regmap_config = {
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@@ -275,12 +252,10 @@
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 {
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 	struct uniphier_aio_chip *chip = platform_get_drvdata(pdev);
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 	struct device *dev = &pdev->dev;
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-	struct resource *res;
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 	void __iomem *preg;
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 	int irq, ret;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	preg = devm_ioremap_resource(dev, res);
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+	preg = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(preg))
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 		return PTR_ERR(preg);
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@@ -290,10 +265,8 @@
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 		return PTR_ERR(chip->regmap);
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 	irq = platform_get_irq(pdev, 0);
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-	if (irq < 0) {
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-		dev_err(dev, "Could not get irq.\n");
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+	if (irq < 0)
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 		return irq;
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-	}
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 	ret = devm_request_irq(dev, irq, aiodma_irq,
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 			       IRQF_SHARED, dev_name(dev), pdev);