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path: root/sound/soc/fsl/mpc5200_dma.c
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Diffstat (limited to 'sound/soc/fsl/mpc5200_dma.c')
-rw-r--r--sound/soc/fsl/mpc5200_dma.c82
1 files changed, 40 insertions, 42 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index 30ed568afb2..f2b5d756b1f 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -8,11 +8,16 @@
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
#include <sound/soc.h>
-#include <sysdev/bestcomm/bestcomm.h>
-#include <sysdev/bestcomm/gen_bd.h>
+#include <linux/fsl/bestcomm/bestcomm.h>
+#include <linux/fsl/bestcomm/gen_bd.h>
#include <asm/mpc52xx_psc.h>
#include "mpc5200_dma.h"
@@ -106,7 +111,7 @@ static int psc_dma_hw_free(struct snd_pcm_substream *substream)
static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct snd_pcm_runtime *runtime = substream->runtime;
struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
@@ -195,10 +200,6 @@ static const struct snd_pcm_hardware psc_dma_hardware = {
SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE,
- .rate_min = 8000,
- .rate_max = 48000,
- .channels_min = 1,
- .channels_max = 2,
.period_bytes_max = 1024 * 1024,
.period_bytes_min = 32,
.periods_min = 2,
@@ -211,7 +212,7 @@ static int psc_dma_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct psc_dma_stream *s;
int rc;
@@ -238,7 +239,7 @@ static int psc_dma_open(struct snd_pcm_substream *substream)
static int psc_dma_close(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct psc_dma_stream *s;
dev_dbg(psc_dma->dev, "psc_dma_close(substream=%p)\n", substream);
@@ -263,7 +264,7 @@ static snd_pcm_uframes_t
psc_dma_pointer(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct psc_dma_stream *s;
dma_addr_t count;
@@ -296,45 +297,44 @@ static struct snd_pcm_ops psc_dma_ops = {
.hw_params = psc_dma_hw_params,
};
-static u64 psc_dma_dmamask = 0xffffffff;
-static int psc_dma_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd = pcm->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
size_t size = psc_dma_hardware.buffer_bytes_max;
- int rc = 0;
+ int rc;
- dev_dbg(rtd->socdev->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
+ dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
card, dai, pcm);
- if (!card->dev->dma_mask)
- card->dev->dma_mask = &psc_dma_dmamask;
- if (!card->dev->coherent_dma_mask)
- card->dev->coherent_dma_mask = 0xffffffff;
+ rc = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (rc)
+ return rc;
- if (pcm->streams[0].substream) {
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev,
- size, &pcm->streams[0].substream->dma_buffer);
+ size, &pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->dma_buffer);
if (rc)
goto playback_alloc_err;
}
- if (pcm->streams[1].substream) {
+ if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev,
- size, &pcm->streams[1].substream->dma_buffer);
+ size, &pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->dma_buffer);
if (rc)
goto capture_alloc_err;
}
- if (rtd->socdev->card->codec->ac97)
- rtd->socdev->card->codec->ac97->private_data = psc_dma;
+ if (rtd->codec->ac97)
+ rtd->codec->ac97->private_data = psc_dma;
return 0;
capture_alloc_err:
- if (pcm->streams[0].substream)
- snd_dma_free_pages(&pcm->streams[0].substream->dma_buffer);
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
+ snd_dma_free_pages(&pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->dma_buffer);
playback_alloc_err:
dev_err(card->dev, "Cannot allocate buffer(s)\n");
@@ -348,7 +348,7 @@ static void psc_dma_free(struct snd_pcm *pcm)
struct snd_pcm_substream *substream;
int stream;
- dev_dbg(rtd->socdev->dev, "psc_dma_free(pcm=%p)\n", pcm);
+ dev_dbg(rtd->platform->dev, "psc_dma_free(pcm=%p)\n", pcm);
for (stream = 0; stream < 2; stream++) {
substream = pcm->streams[stream].substream;
@@ -360,15 +360,13 @@ static void psc_dma_free(struct snd_pcm *pcm)
}
}
-struct snd_soc_platform mpc5200_audio_dma_platform = {
- .name = "mpc5200-psc-audio",
- .pcm_ops = &psc_dma_ops,
+static struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
+ .ops = &psc_dma_ops,
.pcm_new = &psc_dma_new,
.pcm_free = &psc_dma_free,
};
-EXPORT_SYMBOL_GPL(mpc5200_audio_dma_platform);
-int mpc5200_audio_dma_create(struct of_device *op)
+int mpc5200_audio_dma_create(struct platform_device *op)
{
phys_addr_t fifo;
struct psc_dma *psc_dma;
@@ -379,12 +377,12 @@ int mpc5200_audio_dma_create(struct of_device *op)
int ret;
/* Fetch the registers and IRQ of the PSC */
- irq = irq_of_parse_and_map(op->node, 0);
- if (of_address_to_resource(op->node, 0, &res)) {
+ irq = irq_of_parse_and_map(op->dev.of_node, 0);
+ if (of_address_to_resource(op->dev.of_node, 0, &res)) {
dev_err(&op->dev, "Missing reg property\n");
return -ENODEV;
}
- regs = ioremap(res.start, 1 + res.end - res.start);
+ regs = ioremap(res.start, resource_size(&res));
if (!regs) {
dev_err(&op->dev, "Could not map registers\n");
return -ENODEV;
@@ -398,7 +396,7 @@ int mpc5200_audio_dma_create(struct of_device *op)
}
/* Get the PSC ID */
- prop = of_get_property(op->node, "cell-index", &size);
+ prop = of_get_property(op->dev.of_node, "cell-index", &size);
if (!prop || size < sizeof *prop) {
ret = -ENODEV;
goto out_free;
@@ -474,7 +472,7 @@ int mpc5200_audio_dma_create(struct of_device *op)
dev_set_drvdata(&op->dev, psc_dma);
/* Tell the ASoC OF helpers about it */
- return snd_soc_register_platform(&mpc5200_audio_dma_platform);
+ return snd_soc_register_platform(&op->dev, &mpc5200_audio_dma_platform);
out_irq:
free_irq(psc_dma->irq, psc_dma);
free_irq(psc_dma->capture.irq, &psc_dma->capture);
@@ -487,13 +485,13 @@ out_unmap:
}
EXPORT_SYMBOL_GPL(mpc5200_audio_dma_create);
-int mpc5200_audio_dma_destroy(struct of_device *op)
+int mpc5200_audio_dma_destroy(struct platform_device *op)
{
struct psc_dma *psc_dma = dev_get_drvdata(&op->dev);
dev_dbg(&op->dev, "mpc5200_audio_dma_destroy()\n");
- snd_soc_unregister_platform(&mpc5200_audio_dma_platform);
+ snd_soc_unregister_platform(&op->dev);
bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);