1 files changed, 18 insertions, 129 deletions

diff --git a/sound/soc/bcm/cygnus-pcm.c b/sound/soc/bcm/cygnus-pcm.c
index 7ad07239f99c..2d1e241d8367 100644
--- a/sound/soc/bcm/cygnus-pcm.c
+++ b/sound/soc/bcm/cygnus-pcm.c
@@ -1,15 +1,5 @@
-/*
- * Copyright (C) 2014-2015 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (C) 2014-2015 Broadcom Corporation
 #include <linux/debugfs.h>
 #include <linux/dma-mapping.h>
 #include <linux/init.h>
@@ -207,9 +197,9 @@ static u64 cygnus_dma_dmamask = DMA_BIT_MASK(32);
 static struct cygnus_aio_port *cygnus_dai_get_dma_data(
 				struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream);
+	struct snd_soc_pcm_runtime *soc_runtime = snd_soc_substream_to_rtd(substream);
 
-	return snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(soc_runtime, 0), substream);
+	return snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(soc_runtime, 0), substream);
 }
 
 static void ringbuf_set_initial(void __iomem *audio_io,
@@ -353,13 +343,13 @@ static void enable_intr(struct snd_pcm_substream *substream)
 
 static void disable_intr(struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct cygnus_aio_port *aio;
 	u32 set_mask;
 
 	aio = cygnus_dai_get_dma_data(substream);
 
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s on port %d\n", __func__, aio->portnum);
+	dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "%s on port %d\n", __func__, aio->portnum);
 
 	/* The port number maps to the bit position to be set */
 	set_mask = BIT(aio->portnum);
@@ -581,7 +571,7 @@ static irqreturn_t cygnus_dma_irq(int irq, void *data)
 static int cygnus_pcm_open(struct snd_soc_component *component,
 			   struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct cygnus_aio_port *aio;
 	int ret;
@@ -590,7 +580,7 @@ static int cygnus_pcm_open(struct snd_soc_component *component,
 	if (!aio)
 		return -ENODEV;
 
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum);
+	dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum);
 
 	snd_soc_set_runtime_hwparams(substream, &cygnus_pcm_hw);
 
@@ -618,12 +608,12 @@ static int cygnus_pcm_open(struct snd_soc_component *component,
 static int cygnus_pcm_close(struct snd_soc_component *component,
 			    struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct cygnus_aio_port *aio;
 
 	aio = cygnus_dai_get_dma_data(substream);
 
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s  port %d\n", __func__, aio->portnum);
+	dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "%s  port %d\n", __func__, aio->portnum);
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		aio->play_stream = NULL;
@@ -631,45 +621,15 @@ static int cygnus_pcm_close(struct snd_soc_component *component,
 		aio->capture_stream = NULL;
 
 	if (!aio->play_stream && !aio->capture_stream)
-		dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "freed  port %d\n", aio->portnum);
-
-	return 0;
-}
-
-static int cygnus_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 = asoc_substream_to_rtd(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct cygnus_aio_port *aio;
-
-	aio = cygnus_dai_get_dma_data(substream);
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s  port %d\n", __func__, aio->portnum);
-
-	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-	runtime->dma_bytes = params_buffer_bytes(params);
+		dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "freed  port %d\n", aio->portnum);
 
 	return 0;
 }
 
-static int cygnus_pcm_hw_free(struct snd_soc_component *component,
-			      struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
-	struct cygnus_aio_port *aio;
-
-	aio = cygnus_dai_get_dma_data(substream);
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s  port %d\n", __func__, aio->portnum);
-
-	snd_pcm_set_runtime_buffer(substream, NULL);
-	return 0;
-}
-
 static int cygnus_pcm_prepare(struct snd_soc_component *component,
 			      struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct cygnus_aio_port *aio;
 	unsigned long bufsize, periodsize;
@@ -678,12 +638,12 @@ static int cygnus_pcm_prepare(struct snd_soc_component *component,
 	struct ringbuf_regs *p_rbuf = NULL;
 
 	aio = cygnus_dai_get_dma_data(substream);
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum);
+	dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum);
 
 	bufsize = snd_pcm_lib_buffer_bytes(substream);
 	periodsize = snd_pcm_lib_period_bytes(substream);
 
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s (buf_size %lu) (period_size %lu)\n",
+	dev_dbg(snd_soc_rtd_to_cpu(rtd, 0)->dev, "%s (buf_size %lu) (period_size %lu)\n",
 			__func__, bufsize, periodsize);
 
 	configure_ringbuf_regs(substream);
@@ -730,87 +690,19 @@ static snd_pcm_uframes_t cygnus_pcm_pointer(struct snd_soc_component *component,
 	return bytes_to_frames(substream->runtime, res);
 }
 
-static int cygnus_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
-{
-	struct snd_pcm_substream *substream = pcm->streams[stream].substream;
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
-	struct snd_dma_buffer *buf = &substream->dma_buffer;
-	size_t size;
-
-	size = cygnus_pcm_hw.buffer_bytes_max;
-
-	buf->dev.type = SNDRV_DMA_TYPE_DEV;
-	buf->dev.dev = pcm->card->dev;
-	buf->private_data = NULL;
-	buf->area = dma_alloc_coherent(pcm->card->dev, size,
-			&buf->addr, GFP_KERNEL);
-
-	dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s: size 0x%zx @ %pK\n",
-				__func__, size, buf->area);
-
-	if (!buf->area) {
-		dev_err(asoc_rtd_to_cpu(rtd, 0)->dev, "%s: dma_alloc failed\n", __func__);
-		return -ENOMEM;
-	}
-	buf->bytes = size;
-
-	return 0;
-}
-
-static void cygnus_dma_free_dma_buffers(struct snd_soc_component *component,
-					struct snd_pcm *pcm)
-{
-	struct snd_pcm_substream *substream;
-	struct snd_dma_buffer *buf;
-
-	substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
-	if (substream) {
-		buf = &substream->dma_buffer;
-		if (buf->area) {
-			dma_free_coherent(pcm->card->dev, buf->bytes,
-				buf->area, buf->addr);
-			buf->area = NULL;
-		}
-	}
-
-	substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
-	if (substream) {
-		buf = &substream->dma_buffer;
-		if (buf->area) {
-			dma_free_coherent(pcm->card->dev, buf->bytes,
-				buf->area, buf->addr);
-			buf->area = NULL;
-		}
-	}
-}
-
 static int cygnus_dma_new(struct snd_soc_component *component,
 			  struct snd_soc_pcm_runtime *rtd)
 {
+	size_t size = cygnus_pcm_hw.buffer_bytes_max;
 	struct snd_card *card = rtd->card->snd_card;
-	struct snd_pcm *pcm = rtd->pcm;
-	int ret;
 
 	if (!card->dev->dma_mask)
 		card->dev->dma_mask = &cygnus_dma_dmamask;
 	if (!card->dev->coherent_dma_mask)
 		card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
 
-	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
-		ret = cygnus_pcm_preallocate_dma_buffer(pcm,
-				SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret)
-			return ret;
-	}
-
-	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
-		ret = cygnus_pcm_preallocate_dma_buffer(pcm,
-				SNDRV_PCM_STREAM_CAPTURE);
-		if (ret) {
-			cygnus_dma_free_dma_buffers(component, pcm);
-			return ret;
-		}
-	}
+	snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+				       card->dev, size, size);
 
 	return 0;
 }
@@ -818,19 +710,16 @@ static int cygnus_dma_new(struct snd_soc_component *component,
 static struct snd_soc_component_driver cygnus_soc_platform = {
 	.open		= cygnus_pcm_open,
 	.close		= cygnus_pcm_close,
-	.hw_params	= cygnus_pcm_hw_params,
-	.hw_free	= cygnus_pcm_hw_free,
 	.prepare	= cygnus_pcm_prepare,
 	.trigger	= cygnus_pcm_trigger,
 	.pointer	= cygnus_pcm_pointer,
 	.pcm_construct	= cygnus_dma_new,
-	.pcm_destruct	= cygnus_dma_free_dma_buffers,
 };
 
 int cygnus_soc_platform_register(struct device *dev,
 				 struct cygnus_audio *cygaud)
 {
-	int rc = 0;
+	int rc;
 
 	dev_dbg(dev, "%s Enter\n", __func__);