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Merge remote-tracking branch 'asoc/topic/ep93xx' into asoc-next

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This commit is contained in:
Mark Brown 2013-06-17 17:20:19 +01:00
commit 59338599d8
4 changed files with 21 additions and 151 deletions
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2
sound/soc/cirrus/Kconfig
View File

@ -1,7 +1,7 @@
config SND_EP93XX_SOC
tristate "SoC Audio support for the Cirrus Logic EP93xx series"
depends on ARCH_EP93XX && SND_SOC
select SND_SOC_DMAENGINE_PCM
select SND_SOC_GENERIC_DMAENGINE_PCM
help
Say Y or M if you want to add support for codecs attached to
the EP93xx I2S or AC97 interfaces.

16
sound/soc/cirrus/ep93xx-ac97.c
View File

@ -314,22 +314,15 @@ static int ep93xx_ac97_trigger(struct snd_pcm_substream *substream,
return 0;
}
static int ep93xx_ac97_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
static int ep93xx_ac97_dai_probe(struct snd_soc_dai *dai)
{
struct ep93xx_dma_data *dma_data;
dai->playback_dma_data = &ep93xx_ac97_pcm_out;
dai->capture_dma_data = &ep93xx_ac97_pcm_in;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dma_data = &ep93xx_ac97_pcm_out;
else
dma_data = &ep93xx_ac97_pcm_in;
snd_soc_dai_set_dma_data(dai, substream, dma_data);
return 0;
}
static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = {
.startup = ep93xx_ac97_startup,
.trigger = ep93xx_ac97_trigger,
};
@ -337,6 +330,7 @@ static struct snd_soc_dai_driver ep93xx_ac97_dai = {
.name = "ep93xx-ac97",
.id = 0,
.ac97_control = 1,
.probe = ep93xx_ac97_dai_probe,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
@ -403,7 +397,6 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
return 0;
fail:
platform_set_drvdata(pdev, NULL);
ep93xx_ac97_info = NULL;
dev_set_drvdata(&pdev->dev, NULL);
return ret;
@ -418,7 +411,6 @@ static int ep93xx_ac97_remove(struct platform_device *pdev)
/* disable the AC97 controller */
ep93xx_ac97_write_reg(info, AC97GCR, 0);
platform_set_drvdata(pdev, NULL);
ep93xx_ac97_info = NULL;
dev_set_drvdata(&pdev->dev, NULL);

16
sound/soc/cirrus/ep93xx-i2s.c
View File

@ -60,11 +60,10 @@ struct ep93xx_i2s_info {
struct clk *mclk;
struct clk *sclk;
struct clk *lrclk;
struct ep93xx_dma_data *dma_data;
void __iomem *regs;
};
struct ep93xx_dma_data ep93xx_i2s_dma_data[] = {
static struct ep93xx_dma_data ep93xx_i2s_dma_data[] = {
[SNDRV_PCM_STREAM_PLAYBACK] = {
.name = "i2s-pcm-out",
.port = EP93XX_DMA_I2S1,
@ -139,15 +138,11 @@ static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream)
}
}
static int ep93xx_i2s_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai);
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
dai->playback_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK];
dai->capture_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE];
snd_soc_dai_set_dma_data(cpu_dai, substream,
&info->dma_data[substream->stream]);
return 0;
}
@ -338,7 +333,6 @@ static int ep93xx_i2s_resume(struct snd_soc_dai *dai)
#endif
static const struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
.startup = ep93xx_i2s_startup,
.shutdown = ep93xx_i2s_shutdown,
.hw_params = ep93xx_i2s_hw_params,
.set_sysclk = ep93xx_i2s_set_sysclk,
@ -349,6 +343,7 @@ static const struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
static struct snd_soc_dai_driver ep93xx_i2s_dai = {
.symmetric_rates= 1,
.probe = ep93xx_i2s_dai_probe,
.suspend = ep93xx_i2s_suspend,
.resume = ep93xx_i2s_resume,
.playback = {
@ -407,7 +402,6 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
}
dev_set_drvdata(&pdev->dev, info);
info->dma_data = ep93xx_i2s_dma_data;
err = snd_soc_register_component(&pdev->dev, &ep93xx_i2s_component,
&ep93xx_i2s_dai, 1);

138
sound/soc/cirrus/ep93xx-pcm.c
View File

@ -14,20 +14,14 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include <linux/platform_data/dma-ep93xx.h>
#include <mach/hardware.h>
#include <mach/ep93xx-regs.h>
static const struct snd_pcm_hardware ep93xx_pcm_hardware = {
.info = (SNDRV_PCM_INFO_MMAP |
@ -63,134 +57,24 @@ static bool ep93xx_pcm_dma_filter(struct dma_chan *chan, void *filter_param)
return false;
}
static int ep93xx_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
snd_soc_set_runtime_hwparams(substream, &ep93xx_pcm_hardware);
return snd_dmaengine_pcm_open_request_chan(substream,
ep93xx_pcm_dma_filter,
snd_soc_dai_get_dma_data(rtd->cpu_dai, substream));
}
static int ep93xx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
return 0;
}
static int ep93xx_pcm_hw_free(struct snd_pcm_substream *substream)
{
snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
}
static int ep93xx_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
struct snd_pcm_runtime *runtime = substream->runtime;
return dma_mmap_writecombine(substream->pcm->card->dev, vma,
runtime->dma_area,
runtime->dma_addr,
runtime->dma_bytes);
}
static struct snd_pcm_ops ep93xx_pcm_ops = {
.open = ep93xx_pcm_open,
.close = snd_dmaengine_pcm_close_release_chan,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = ep93xx_pcm_hw_params,
.hw_free = ep93xx_pcm_hw_free,
.trigger = snd_dmaengine_pcm_trigger,
.pointer = snd_dmaengine_pcm_pointer_no_residue,
.mmap = ep93xx_pcm_mmap,
};
static int ep93xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
{
struct snd_pcm_substream *substream = pcm->streams[stream].substream;
struct snd_dma_buffer *buf = &substream->dma_buffer;
size_t size = ep93xx_pcm_hardware.buffer_bytes_max;
buf->dev.type = SNDRV_DMA_TYPE_DEV;
buf->dev.dev = pcm->card->dev;
buf->private_data = NULL;
buf->area = dma_alloc_writecombine(pcm->card->dev, size,
&buf->addr, GFP_KERNEL);
buf->bytes = size;
return (buf->area == NULL) ? -ENOMEM : 0;
}
static void ep93xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
{
struct snd_pcm_substream *substream;
struct snd_dma_buffer *buf;
int stream;
for (stream = 0; stream < 2; stream++) {
substream = pcm->streams[stream].substream;
if (!substream)
continue;
buf = &substream->dma_buffer;
if (!buf->area)
continue;
dma_free_writecombine(pcm->card->dev, buf->bytes, buf->area,
buf->addr);
buf->area = NULL;
}
}
static u64 ep93xx_pcm_dmamask = DMA_BIT_MASK(32);
static int ep93xx_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
card->dev->dma_mask = &ep93xx_pcm_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 = ep93xx_pcm_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_PLAYBACK);
if (ret)
return ret;
}
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
ret = ep93xx_pcm_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_CAPTURE);
if (ret)
return ret;
}
return 0;
}
static struct snd_soc_platform_driver ep93xx_soc_platform = {
.ops = &ep93xx_pcm_ops,
.pcm_new = &ep93xx_pcm_new,
.pcm_free = &ep93xx_pcm_free_dma_buffers,
static const struct snd_dmaengine_pcm_config ep93xx_dmaengine_pcm_config = {
.pcm_hardware = &ep93xx_pcm_hardware,
.compat_filter_fn = ep93xx_pcm_dma_filter,
.prealloc_buffer_size = 131072,
};
static int ep93xx_soc_platform_probe(struct platform_device *pdev)
{
return snd_soc_register_platform(&pdev->dev, &ep93xx_soc_platform);
return snd_dmaengine_pcm_register(&pdev->dev,
&ep93xx_dmaengine_pcm_config,
SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
SND_DMAENGINE_PCM_FLAG_NO_DT |
SND_DMAENGINE_PCM_FLAG_COMPAT);
}
static int ep93xx_soc_platform_remove(struct platform_device *pdev)
{
snd_soc_unregister_platform(&pdev->dev);
snd_dmaengine_pcm_unregister(&pdev->dev);
return 0;
}