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-rw-r--r--include/sound/dmaengine_pcm.h6
-rw-r--r--sound/soc/samsung/dmaengine.c8
-rw-r--r--sound/soc/samsung/i2s.c8
-rw-r--r--sound/soc/samsung/s3c2412-i2s.c2
-rw-r--r--sound/soc/samsung/s3c24xx-i2s.c42
-rw-r--r--sound/soc/samsung/s3c24xx_uda134x.c79
-rw-r--r--sound/soc/soc-generic-dmaengine-pcm.c13
7 files changed, 53 insertions, 105 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 67be2445941a..1c8f9e1ef2a5 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -71,7 +71,6 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
* @slave_id: Slave requester id for the DMA channel.
* @filter_data: Custom DMA channel filter data, this will usually be used when
* requesting the DMA channel.
- * @chan_name: Custom channel name to use when requesting DMA channel.
* @fifo_size: FIFO size of the DAI controller in bytes
* @flags: PCM_DAI flags, only SND_DMAENGINE_PCM_DAI_FLAG_PACK for now
*/
@@ -81,7 +80,6 @@ struct snd_dmaengine_dai_dma_data {
u32 maxburst;
unsigned int slave_id;
void *filter_data;
- const char *chan_name;
unsigned int fifo_size;
unsigned int flags;
};
@@ -107,10 +105,6 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
* playback.
*/
#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
-/*
- * The PCM streams have custom channel names specified.
- */
-#define SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME BIT(4)
/**
* struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM
diff --git a/sound/soc/samsung/dmaengine.c b/sound/soc/samsung/dmaengine.c
index 9104c98deeb7..cda656e4afc6 100644
--- a/sound/soc/samsung/dmaengine.c
+++ b/sound/soc/samsung/dmaengine.c
@@ -37,12 +37,8 @@ int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
pcm_conf->compat_filter_fn = filter;
- if (dev->of_node) {
- pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
- pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;
- } else {
- flags |= SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME;
- }
+ pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
+ pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;
return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags);
}
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 7825bff45ae3..e00974bc5616 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1029,12 +1029,13 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
static int samsung_i2s_dai_remove(struct snd_soc_dai *dai)
{
struct i2s_dai *i2s = snd_soc_dai_get_drvdata(dai);
+ unsigned long flags;
if (!is_secondary(i2s)) {
if (i2s->quirks & QUIRK_NEED_RSTCLR) {
- spin_lock(i2s->lock);
+ spin_lock_irqsave(i2s->lock, flags);
writel(0, i2s->addr + I2SCON);
- spin_unlock(i2s->lock);
+ spin_unlock_irqrestore(i2s->lock, flags);
}
}
@@ -1304,8 +1305,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)
}
pri_dai->dma_playback.addr = regs_base + I2STXD;
pri_dai->dma_capture.addr = regs_base + I2SRXD;
- pri_dai->dma_playback.chan_name = "tx";
- pri_dai->dma_capture.chan_name = "rx";
pri_dai->dma_playback.addr_width = 4;
pri_dai->dma_capture.addr_width = 4;
pri_dai->quirks = quirks;
@@ -1330,7 +1329,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)
sec_dai->lock = &pri_dai->spinlock;
sec_dai->variant_regs = pri_dai->variant_regs;
sec_dai->dma_playback.addr = regs_base + I2STXDS;
- sec_dai->dma_playback.chan_name = "tx-sec";
if (!np) {
sec_dai->dma_playback.filter_data = i2s_pdata->dma_play_sec;
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 0a4718207e6e..6d0b8897fa6c 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -35,12 +35,10 @@
#include <linux/platform_data/asoc-s3c.h>
static struct snd_dmaengine_dai_dma_data s3c2412_i2s_pcm_stereo_out = {
- .chan_name = "tx",
.addr_width = 4,
};
static struct snd_dmaengine_dai_dma_data s3c2412_i2s_pcm_stereo_in = {
- .chan_name = "rx",
.addr_width = 4,
};
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 9052f6a7073e..3b4bef9025a7 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -30,15 +30,11 @@
#include "dma.h"
#include "s3c24xx-i2s.h"
-#include <linux/platform_data/asoc-s3c.h>
-
static struct snd_dmaengine_dai_dma_data s3c24xx_i2s_pcm_stereo_out = {
- .chan_name = "tx",
.addr_width = 2,
};
static struct snd_dmaengine_dai_dma_data s3c24xx_i2s_pcm_stereo_in = {
- .chan_name = "rx",
.addr_width = 2,
};
@@ -58,8 +54,6 @@ static void s3c24xx_snd_txctrl(int on)
u32 iiscon;
u32 iismod;
- pr_debug("Entered %s\n", __func__);
-
iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
@@ -103,8 +97,6 @@ static void s3c24xx_snd_rxctrl(int on)
u32 iiscon;
u32 iismod;
- pr_debug("Entered %s\n", __func__);
-
iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
@@ -151,8 +143,6 @@ static int s3c24xx_snd_lrsync(void)
u32 iiscon;
int timeout = 50; /* 5ms */
- pr_debug("Entered %s\n", __func__);
-
while (1) {
iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
if (iiscon & S3C2410_IISCON_LRINDEX)
@@ -171,8 +161,6 @@ static int s3c24xx_snd_lrsync(void)
*/
static inline int s3c24xx_snd_is_clkmaster(void)
{
- pr_debug("Entered %s\n", __func__);
-
return (readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & S3C2410_IISMOD_SLAVE) ? 0:1;
}
@@ -184,8 +172,6 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
{
u32 iismod;
- pr_debug("Entered %s\n", __func__);
-
iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
pr_debug("hw_params r: IISMOD: %x \n", iismod);
@@ -213,6 +199,7 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
pr_debug("hw_params w: IISMOD: %x \n", iismod);
+
return 0;
}
@@ -223,8 +210,6 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_dmaengine_dai_dma_data *dma_data;
u32 iismod;
- pr_debug("Entered %s\n", __func__);
-
dma_data = snd_soc_dai_get_dma_data(dai, substream);
/* Working copies of register */
@@ -246,6 +231,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);
pr_debug("hw_params w: IISMOD: %x\n", iismod);
+
return 0;
}
@@ -254,8 +240,6 @@ static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
{
int ret = 0;
- pr_debug("Entered %s\n", __func__);
-
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
@@ -297,8 +281,6 @@ static int s3c24xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
{
u32 iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
- pr_debug("Entered %s\n", __func__);
-
iismod &= ~S3C2440_IISMOD_MPLL;
switch (clk_id) {
@@ -323,8 +305,6 @@ static int s3c24xx_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai,
{
u32 reg;
- pr_debug("Entered %s\n", __func__);
-
switch (div_id) {
case S3C24XX_DIV_BCLK:
reg = readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & ~S3C2410_IISMOD_FS_MASK;
@@ -358,8 +338,6 @@ EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate);
static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
{
- pr_debug("Entered %s\n", __func__);
-
snd_soc_dai_init_dma_data(dai, &s3c24xx_i2s_pcm_stereo_out,
&s3c24xx_i2s_pcm_stereo_in);
@@ -385,8 +363,6 @@ static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
#ifdef CONFIG_PM
static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai)
{
- pr_debug("Entered %s\n", __func__);
-
s3c24xx_i2s.iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON);
s3c24xx_i2s.iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
s3c24xx_i2s.iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON);
@@ -399,7 +375,6 @@ static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai)
static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai)
{
- pr_debug("Entered %s\n", __func__);
clk_prepare_enable(s3c24xx_i2s.iis_clk);
writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON);
@@ -414,7 +389,6 @@ static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai)
#define s3c24xx_i2s_resume NULL
#endif
-
#define S3C24XX_I2S_RATES \
(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
@@ -451,14 +425,8 @@ static const struct snd_soc_component_driver s3c24xx_i2s_component = {
static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
{
- int ret = 0;
struct resource *res;
- struct s3c_audio_pdata *pdata = dev_get_platdata(&pdev->dev);
-
- if (!pdata) {
- dev_err(&pdev->dev, "missing platform data");
- return -ENXIO;
- }
+ int ret = 0;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -470,15 +438,13 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
return PTR_ERR(s3c24xx_i2s.regs);
s3c24xx_i2s_pcm_stereo_out.addr = res->start + S3C2410_IISFIFO;
- s3c24xx_i2s_pcm_stereo_out.filter_data = pdata->dma_playback;
s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO;
- s3c24xx_i2s_pcm_stereo_in.filter_data = pdata->dma_capture;
ret = samsung_asoc_dma_platform_register(&pdev->dev,
pdata->dma_filter,
NULL, NULL);
if (ret) {
- pr_err("failed to register the dma: %d\n", ret);
+ dev_err(&pdev->dev, "Failed to register the DAI\n");
return ret;
}
diff --git a/sound/soc/samsung/s3c24xx_uda134x.c b/sound/soc/samsung/s3c24xx_uda134x.c
index 7853fbe6ccc9..81a78940967c 100644
--- a/sound/soc/samsung/s3c24xx_uda134x.c
+++ b/sound/soc/samsung/s3c24xx_uda134x.c
@@ -19,9 +19,15 @@
#include <sound/s3c24xx_uda134x.h>
#include "regs-iis.h"
-
#include "s3c24xx-i2s.h"
+struct s3c24xx_uda134x {
+ struct clk *xtal;
+ struct clk *pclk;
+ struct mutex clk_lock;
+ int clk_users;
+};
+
/* #define ENFORCE_RATES 1 */
/*
Unfortunately the S3C24XX in master mode has a limited capacity of
@@ -36,15 +42,6 @@
possible an error will be returned.
*/
-static struct clk *xtal;
-static struct clk *pclk;
-/* this is need because we don't have a place where to keep the
- * pointers to the clocks in each substream. We get the clocks only
- * when we are actually using them so we don't block stuff like
- * frequency change or oscillator power-off */
-static int clk_users;
-static DEFINE_MUTEX(clk_lock);
-
static unsigned int rates[33 * 2];
#ifdef ENFORCE_RATES
static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
@@ -57,26 +54,24 @@ static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
static int s3c24xx_uda134x_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct s3c24xx_uda134x *priv = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-#ifdef ENFORCE_RATES
- struct snd_pcm_runtime *runtime = substream->runtime;
-#endif
int ret = 0;
- mutex_lock(&clk_lock);
+ mutex_lock(&priv->clk_lock);
- if (clk_users == 0) {
- xtal = clk_get(rtd->dev, "xtal");
- if (IS_ERR(xtal)) {
+ if (priv->clk_users == 0) {
+ priv->xtal = clk_get(rtd->dev, "xtal");
+ if (IS_ERR(priv->xtal)) {
dev_err(rtd->dev, "%s cannot get xtal\n", __func__);
- ret = PTR_ERR(xtal);
+ ret = PTR_ERR(priv->xtal);
} else {
- pclk = clk_get(cpu_dai->dev, "iis");
- if (IS_ERR(pclk)) {
+ priv->pclk = clk_get(cpu_dai->dev, "iis");
+ if (IS_ERR(priv->pclk)) {
dev_err(rtd->dev, "%s cannot get pclk\n",
__func__);
- clk_put(xtal);
- ret = PTR_ERR(pclk);
+ clk_put(priv->xtal);
+ ret = PTR_ERR(priv->pclk);
}
}
if (!ret) {
@@ -85,18 +80,19 @@ static int s3c24xx_uda134x_startup(struct snd_pcm_substream *substream)
for (i = 0; i < 2; i++) {
int fs = i ? 256 : 384;
- rates[i*33] = clk_get_rate(xtal) / fs;
+ rates[i*33] = clk_get_rate(priv->xtal) / fs;
for (j = 1; j < 33; j++)
- rates[i*33 + j] = clk_get_rate(pclk) /
+ rates[i*33 + j] = clk_get_rate(priv->pclk) /
(j * fs);
}
}
}
- clk_users += 1;
- mutex_unlock(&clk_lock);
+ priv->clk_users += 1;
+ mutex_unlock(&priv->clk_lock);
+
if (!ret) {
#ifdef ENFORCE_RATES
- ret = snd_pcm_hw_constraint_list(runtime, 0,
+ ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_rates);
if (ret < 0)
@@ -109,15 +105,18 @@ static int s3c24xx_uda134x_startup(struct snd_pcm_substream *substream)
static void s3c24xx_uda134x_shutdown(struct snd_pcm_substream *substream)
{
- mutex_lock(&clk_lock);
- clk_users -= 1;
- if (clk_users == 0) {
- clk_put(xtal);
- xtal = NULL;
- clk_put(pclk);
- pclk = NULL;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct s3c24xx_uda134x *priv = snd_soc_card_get_drvdata(rtd->card);
+
+ mutex_lock(&priv->clk_lock);
+ priv->clk_users -= 1;
+ if (priv->clk_users == 0) {
+ clk_put(priv->xtal);
+ priv->xtal = NULL;
+ clk_put(priv->pclk);
+ priv->pclk = NULL;
}
- mutex_unlock(&clk_lock);
+ mutex_unlock(&priv->clk_lock);
}
static int s3c24xx_uda134x_hw_params(struct snd_pcm_substream *substream,
@@ -228,10 +227,18 @@ static struct snd_soc_card snd_soc_s3c24xx_uda134x = {
static int s3c24xx_uda134x_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &snd_soc_s3c24xx_uda134x;
+ struct s3c24xx_uda134x *priv;
int ret;
- platform_set_drvdata(pdev, card);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ mutex_init(&priv->clk_lock);
+
card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+ snd_soc_card_set_drvdata(card, priv);
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 6cef3977507a..17eb14935577 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -263,7 +263,6 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
const struct snd_dmaengine_pcm_config *config = pcm->config;
struct device *dev = rtd->platform->dev;
- struct snd_dmaengine_dai_dma_data *dma_data;
struct snd_pcm_substream *substream;
size_t prealloc_buffer_size;
size_t max_buffer_size;
@@ -278,19 +277,11 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
max_buffer_size = SIZE_MAX;
}
-
for (i = SNDRV_PCM_STREAM_PLAYBACK; i <= SNDRV_PCM_STREAM_CAPTURE; i++) {
substream = rtd->pcm->streams[i].substream;
if (!substream)
continue;
- dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
- if (!pcm->chan[i] &&
- (pcm->flags & SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME))
- pcm->chan[i] = dma_request_slave_channel(dev,
- dma_data->chan_name);
-
if (!pcm->chan[i] && (pcm->flags & SND_DMAENGINE_PCM_FLAG_COMPAT)) {
pcm->chan[i] = dmaengine_pcm_compat_request_channel(rtd,
substream);
@@ -359,9 +350,7 @@ static int dmaengine_pcm_request_chan_of(struct dmaengine_pcm *pcm,
const char *name;
struct dma_chan *chan;
- if ((pcm->flags & (SND_DMAENGINE_PCM_FLAG_NO_DT |
- SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME)) ||
- !dev->of_node)
+ if ((pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_DT) || !dev->of_node)
return 0;
if (config && config->dma_dev) {
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