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-rw-r--r--sound/soc/txx9/txx9aclc-ac97.c107
-rw-r--r--sound/soc/txx9/txx9aclc-generic.c28
-rw-r--r--sound/soc/txx9/txx9aclc.c163
-rw-r--r--sound/soc/txx9/txx9aclc.h13
4 files changed, 143 insertions, 168 deletions
diff --git a/sound/soc/txx9/txx9aclc-ac97.c b/sound/soc/txx9/txx9aclc-ac97.c
index 0f83bdb9b16..9edd68db9f4 100644
--- a/sound/soc/txx9/txx9aclc-ac97.c
+++ b/sound/soc/txx9/txx9aclc-ac97.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/gfp.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
@@ -35,13 +36,11 @@
static DECLARE_WAIT_QUEUE_HEAD(ac97_waitq);
-/* REVISIT: How to find txx9aclc_soc_device from snd_ac97? */
-static struct txx9aclc_soc_device *txx9aclc_soc_dev;
+/* REVISIT: How to find txx9aclc_drvdata from snd_ac97? */
+static struct txx9aclc_plat_drvdata *txx9aclc_drvdata;
-static int txx9aclc_regready(struct txx9aclc_soc_device *dev)
+static int txx9aclc_regready(struct txx9aclc_plat_drvdata *drvdata)
{
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
-
return __raw_readl(drvdata->base + ACINTSTS) & ACINT_REGACCRDY;
}
@@ -49,8 +48,7 @@ static int txx9aclc_regready(struct txx9aclc_soc_device *dev)
static unsigned short txx9aclc_ac97_read(struct snd_ac97 *ac97,
unsigned short reg)
{
- struct txx9aclc_soc_device *dev = txx9aclc_soc_dev;
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
void __iomem *base = drvdata->base;
u32 dat;
@@ -60,15 +58,15 @@ static unsigned short txx9aclc_ac97_read(struct snd_ac97 *ac97,
dat = (reg << ACREGACC_REG_SHIFT) | ACREGACC_READ;
__raw_writel(dat, base + ACREGACC);
__raw_writel(ACINT_REGACCRDY, base + ACINTEN);
- if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(dev), HZ)) {
+ if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(txx9aclc_drvdata), HZ)) {
__raw_writel(ACINT_REGACCRDY, base + ACINTDIS);
- dev_err(dev->soc_dev.dev, "ac97 read timeout (reg %#x)\n", reg);
+ printk(KERN_ERR "ac97 read timeout (reg %#x)\n", reg);
dat = 0xffff;
goto done;
}
dat = __raw_readl(base + ACREGACC);
if (((dat >> ACREGACC_REG_SHIFT) & 0xff) != reg) {
- dev_err(dev->soc_dev.dev, "reg mismatch %x with %x\n",
+ printk(KERN_ERR "reg mismatch %x with %x\n",
dat, reg);
dat = 0xffff;
goto done;
@@ -83,16 +81,15 @@ done:
static void txx9aclc_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
unsigned short val)
{
- struct txx9aclc_soc_device *dev = txx9aclc_soc_dev;
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
void __iomem *base = drvdata->base;
__raw_writel(((reg | (ac97->num << 7)) << ACREGACC_REG_SHIFT) |
(val << ACREGACC_DAT_SHIFT),
base + ACREGACC);
__raw_writel(ACINT_REGACCRDY, base + ACINTEN);
- if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(dev), HZ)) {
- dev_err(dev->soc_dev.dev,
+ if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(txx9aclc_drvdata), HZ)) {
+ printk(KERN_ERR
"ac97 write timeout (reg %#x)\n", reg);
}
__raw_writel(ACINT_REGACCRDY, base + ACINTDIS);
@@ -100,8 +97,7 @@ static void txx9aclc_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
static void txx9aclc_ac97_cold_reset(struct snd_ac97 *ac97)
{
- struct txx9aclc_soc_device *dev = txx9aclc_soc_dev;
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
void __iomem *base = drvdata->base;
u32 ready = ACINT_CODECRDY(ac97->num) | ACINT_REGACCRDY;
@@ -123,12 +119,11 @@ static void txx9aclc_ac97_cold_reset(struct snd_ac97 *ac97)
}
/* AC97 controller operations */
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops txx9aclc_ac97_ops = {
.read = txx9aclc_ac97_read,
.write = txx9aclc_ac97_write,
.reset = txx9aclc_ac97_cold_reset,
};
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
static irqreturn_t txx9aclc_ac97_irq(int irq, void *dev_id)
{
@@ -140,31 +135,23 @@ static irqreturn_t txx9aclc_ac97_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int txx9aclc_ac97_probe(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int txx9aclc_ac97_probe(struct snd_soc_dai *dai)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct txx9aclc_soc_device *dev =
- container_of(socdev, struct txx9aclc_soc_device, soc_dev);
-
- dev->aclc_pdev = to_platform_device(dai->dev);
- txx9aclc_soc_dev = dev;
+ txx9aclc_drvdata = snd_soc_dai_get_drvdata(dai);
return 0;
}
-static void txx9aclc_ac97_remove(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int txx9aclc_ac97_remove(struct snd_soc_dai *dai)
{
- struct platform_device *aclc_pdev = to_platform_device(dai->dev);
- struct txx9aclc_plat_drvdata *drvdata = platform_get_drvdata(aclc_pdev);
+ struct txx9aclc_plat_drvdata *drvdata = snd_soc_dai_get_drvdata(dai);
/* disable AC-link */
__raw_writel(ACCTL_ENLINK, drvdata->base + ACCTLDIS);
- txx9aclc_soc_dev = NULL;
+ txx9aclc_drvdata = NULL;
+ return 0;
}
-struct snd_soc_dai txx9aclc_ac97_dai = {
- .name = "txx9aclc_ac97",
+static struct snd_soc_dai_driver txx9aclc_ac97_dai = {
.ac97_control = 1,
.probe = txx9aclc_ac97_probe,
.remove = txx9aclc_ac97_remove,
@@ -181,9 +168,12 @@ struct snd_soc_dai txx9aclc_ac97_dai = {
.channels_max = 2,
},
};
-EXPORT_SYMBOL_GPL(txx9aclc_ac97_dai);
-static int __devinit txx9aclc_ac97_dev_probe(struct platform_device *pdev)
+static const struct snd_soc_component_driver txx9aclc_ac97_component = {
+ .name = "txx9aclc-ac97",
+};
+
+static int txx9aclc_ac97_dev_probe(struct platform_device *pdev)
{
struct txx9aclc_plat_drvdata *drvdata;
struct resource *r;
@@ -193,63 +183,54 @@ static int __devinit txx9aclc_ac97_dev_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r)
- return -EBUSY;
-
- if (!devm_request_mem_region(&pdev->dev, r->start, resource_size(r),
- dev_name(&pdev->dev)))
- return -EBUSY;
drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ drvdata->base = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(drvdata->base))
+ return PTR_ERR(drvdata->base);
+
platform_set_drvdata(pdev, drvdata);
drvdata->physbase = r->start;
if (sizeof(drvdata->physbase) > sizeof(r->start) &&
r->start >= TXX9_DIRECTMAP_BASE &&
r->start < TXX9_DIRECTMAP_BASE + 0x400000)
drvdata->physbase |= 0xf00000000ull;
- drvdata->base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
- if (!drvdata->base)
- return -EBUSY;
err = devm_request_irq(&pdev->dev, irq, txx9aclc_ac97_irq,
- IRQF_DISABLED, dev_name(&pdev->dev), drvdata);
+ 0, dev_name(&pdev->dev), drvdata);
if (err < 0)
return err;
- txx9aclc_ac97_dai.dev = &pdev->dev;
- return snd_soc_register_dai(&txx9aclc_ac97_dai);
+ err = snd_soc_set_ac97_ops(&txx9aclc_ac97_ops);
+ if (err < 0)
+ return err;
+
+ return snd_soc_register_component(&pdev->dev, &txx9aclc_ac97_component,
+ &txx9aclc_ac97_dai, 1);
}
-static int __devexit txx9aclc_ac97_dev_remove(struct platform_device *pdev)
+static int txx9aclc_ac97_dev_remove(struct platform_device *pdev)
{
- snd_soc_unregister_dai(&txx9aclc_ac97_dai);
+ snd_soc_unregister_component(&pdev->dev);
+ snd_soc_set_ac97_ops(NULL);
return 0;
}
static struct platform_driver txx9aclc_ac97_driver = {
.probe = txx9aclc_ac97_dev_probe,
- .remove = __devexit_p(txx9aclc_ac97_dev_remove),
+ .remove = txx9aclc_ac97_dev_remove,
.driver = {
.name = "txx9aclc-ac97",
.owner = THIS_MODULE,
},
};
-static int __init txx9aclc_ac97_init(void)
-{
- return platform_driver_register(&txx9aclc_ac97_driver);
-}
-
-static void __exit txx9aclc_ac97_exit(void)
-{
- platform_driver_unregister(&txx9aclc_ac97_driver);
-}
-
-module_init(txx9aclc_ac97_init);
-module_exit(txx9aclc_ac97_exit);
+module_platform_driver(txx9aclc_ac97_driver);
MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("TXx9 ACLC AC97 driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:txx9aclc-ac97");
diff --git a/sound/soc/txx9/txx9aclc-generic.c b/sound/soc/txx9/txx9aclc-generic.c
index 3175de9a92c..b056a1431ed 100644
--- a/sound/soc/txx9/txx9aclc-generic.c
+++ b/sound/soc/txx9/txx9aclc-generic.c
@@ -19,60 +19,51 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
-#include "../codecs/ac97.h"
#include "txx9aclc.h"
static struct snd_soc_dai_link txx9aclc_generic_dai = {
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai = &txx9aclc_ac97_dai,
- .codec_dai = &ac97_dai,
+ .cpu_dai_name = "txx9aclc-ac97",
+ .codec_dai_name = "ac97-hifi",
+ .platform_name = "txx9aclc-pcm-audio",
+ .codec_name = "ac97-codec",
};
static struct snd_soc_card txx9aclc_generic_card = {
.name = "Generic TXx9 ACLC Audio",
- .platform = &txx9aclc_soc_platform,
+ .owner = THIS_MODULE,
.dai_link = &txx9aclc_generic_dai,
.num_links = 1,
};
-static struct txx9aclc_soc_device txx9aclc_generic_soc_device = {
- .soc_dev = {
- .card = &txx9aclc_generic_card,
- .codec_dev = &soc_codec_dev_ac97,
- },
-};
+static struct platform_device *soc_pdev;
static int __init txx9aclc_generic_probe(struct platform_device *pdev)
{
- struct txx9aclc_soc_device *dev = &txx9aclc_generic_soc_device;
- struct platform_device *soc_pdev;
int ret;
soc_pdev = platform_device_alloc("soc-audio", -1);
if (!soc_pdev)
return -ENOMEM;
- platform_set_drvdata(soc_pdev, &dev->soc_dev);
- dev->soc_dev.dev = &soc_pdev->dev;
+ platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
ret = platform_device_add(soc_pdev);
if (ret) {
platform_device_put(soc_pdev);
return ret;
}
- platform_set_drvdata(pdev, soc_pdev);
+
return 0;
}
static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
{
- struct platform_device *soc_pdev = platform_get_drvdata(pdev);
-
platform_device_unregister(soc_pdev);
return 0;
}
static struct platform_driver txx9aclc_generic_driver = {
- .remove = txx9aclc_generic_remove,
+ .remove = __exit_p(txx9aclc_generic_remove),
.driver = {
.name = "txx9aclc-generic",
.owner = THIS_MODULE,
@@ -96,3 +87,4 @@ module_exit(txx9aclc_generic_exit);
MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:txx9aclc-generic");
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index efed64b8b02..f0829de2870 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -15,12 +15,23 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/scatterlist.h>
+#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "txx9aclc.h"
+static struct txx9aclc_soc_device {
+ struct txx9aclc_dmadata dmadata[2];
+} txx9aclc_soc_device;
+
+/* REVISIT: How to find txx9aclc_drvdata from snd_ac97? */
+static struct txx9aclc_plat_drvdata *txx9aclc_drvdata;
+
+static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
+ struct txx9aclc_dmadata *dmadata);
+
static const struct snd_pcm_hardware txx9aclc_pcm_hardware = {
/*
* REVISIT: SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID
@@ -29,11 +40,6 @@ static const struct snd_pcm_hardware txx9aclc_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_PAUSE,
-#ifdef __BIG_ENDIAN
- .formats = SNDRV_PCM_FMTBIT_S16_BE,
-#else
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
-#endif
.period_bytes_min = 1024,
.period_bytes_max = 8 * 1024,
.periods_min = 2,
@@ -45,7 +51,6 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct snd_soc_device *socdev = rtd->socdev;
struct snd_pcm_runtime *runtime = substream->runtime;
struct txx9aclc_dmadata *dmadata = runtime->private_data;
int ret;
@@ -54,13 +59,13 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
- dev_dbg(socdev->dev,
+ dev_dbg(rtd->platform->dev,
"runtime->dma_area = %#lx dma_addr = %#lx dma_bytes = %zd "
"runtime->min_align %ld\n",
(unsigned long)runtime->dma_area,
(unsigned long)runtime->dma_addr, runtime->dma_bytes,
runtime->min_align);
- dev_dbg(socdev->dev,
+ dev_dbg(rtd->platform->dev,
"periods %d period_bytes %d stream %d\n",
params_periods(params), params_period_bytes(params),
substream->stream);
@@ -105,8 +110,8 @@ static void txx9aclc_dma_complete(void *arg)
spin_lock_irqsave(&dmadata->dma_lock, flags);
if (dmadata->frag_count >= 0) {
dmadata->dmacount--;
- BUG_ON(dmadata->dmacount < 0);
- tasklet_schedule(&dmadata->tasklet);
+ if (!WARN_ON(dmadata->dmacount < 0))
+ tasklet_schedule(&dmadata->tasklet);
}
spin_unlock_irqrestore(&dmadata->dma_lock, flags);
}
@@ -122,9 +127,9 @@ txx9aclc_dma_submit(struct txx9aclc_dmadata *dmadata, dma_addr_t buf_dma_addr)
sg_set_page(&sg, pfn_to_page(PFN_DOWN(buf_dma_addr)),
dmadata->frag_bytes, buf_dma_addr & (PAGE_SIZE - 1));
sg_dma_address(&sg) = buf_dma_addr;
- desc = chan->device->device_prep_slave_sg(chan, &sg, 1,
+ desc = dmaengine_prep_slave_sg(chan, &sg, 1,
dmadata->substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- DMA_TO_DEVICE : DMA_FROM_DEVICE,
+ DMA_MEM_TO_DEV : DMA_DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(&chan->dev->device, "cannot prepare slave dma\n");
@@ -151,15 +156,11 @@ static void txx9aclc_dma_tasklet(unsigned long data)
spin_lock_irqsave(&dmadata->dma_lock, flags);
if (dmadata->frag_count < 0) {
- struct txx9aclc_soc_device *dev =
- container_of(dmadata, struct txx9aclc_soc_device,
- dmadata[substream->stream]);
- struct txx9aclc_plat_drvdata *drvdata =
- txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
void __iomem *base = drvdata->base;
spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- chan->device->device_terminate_all(chan);
+ chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
/* first time */
for (i = 0; i < NR_DMA_CHAIN; i++) {
desc = txx9aclc_dma_submit(dmadata,
@@ -175,7 +176,10 @@ static void txx9aclc_dma_tasklet(unsigned long data)
spin_unlock_irqrestore(&dmadata->dma_lock, flags);
return;
}
- BUG_ON(dmadata->dmacount >= NR_DMA_CHAIN);
+ if (WARN_ON(dmadata->dmacount >= NR_DMA_CHAIN)) {
+ spin_unlock_irqrestore(&dmadata->dma_lock, flags);
+ return;
+ }
while (dmadata->dmacount < NR_DMA_CHAIN) {
dmadata->dmacount++;
spin_unlock_irqrestore(&dmadata->dma_lock, flags);
@@ -201,10 +205,7 @@ static void txx9aclc_dma_tasklet(unsigned long data)
static int txx9aclc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct txx9aclc_soc_device *dev =
- container_of(rtd->socdev, struct txx9aclc_soc_device, soc_dev);
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata =txx9aclc_drvdata;
void __iomem *base = drvdata->base;
unsigned long flags;
int ret = 0;
@@ -243,9 +244,7 @@ txx9aclc_pcm_pointer(struct snd_pcm_substream *substream)
static int txx9aclc_pcm_open(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct txx9aclc_soc_device *dev =
- container_of(rtd->socdev, struct txx9aclc_soc_device, soc_dev);
+ struct txx9aclc_soc_device *dev = &txx9aclc_soc_device;
struct txx9aclc_dmadata *dmadata = &dev->dmadata[substream->stream];
int ret;
@@ -267,7 +266,7 @@ static int txx9aclc_pcm_close(struct snd_pcm_substream *substream)
struct dma_chan *chan = dmadata->dma_chan;
dmadata->frag_count = -1;
- chan->device->device_terminate_all(chan);
+ chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
return 0;
}
@@ -287,11 +286,43 @@ static void txx9aclc_pcm_free_dma_buffers(struct snd_pcm *pcm)
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static int txx9aclc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
+ struct platform_device *pdev = to_platform_device(dai->platform->dev);
+ struct txx9aclc_soc_device *dev;
+ struct resource *r;
+ int i;
+ int ret;
+
+ /* at this point onwards the AC97 component has probed and this will be valid */
+ dev = snd_soc_dai_get_drvdata(dai);
+
+ dev->dmadata[0].stream = SNDRV_PCM_STREAM_PLAYBACK;
+ dev->dmadata[1].stream = SNDRV_PCM_STREAM_CAPTURE;
+ for (i = 0; i < 2; i++) {
+ r = platform_get_resource(pdev, IORESOURCE_DMA, i);
+ if (!r) {
+ ret = -EBUSY;
+ goto exit;
+ }
+ dev->dmadata[i].dma_res = r;
+ ret = txx9aclc_dma_init(dev, &dev->dmadata[i]);
+ if (ret)
+ goto exit;
+ }
return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, 64 * 1024, 4 * 1024 * 1024);
+
+exit:
+ for (i = 0; i < 2; i++) {
+ if (dev->dmadata[i].dma_chan)
+ dma_release_channel(dev->dmadata[i].dma_chan);
+ dev->dmadata[i].dma_chan = NULL;
+ }
+ return ret;
}
static bool filter(struct dma_chan *chan, void *param)
@@ -313,7 +344,7 @@ static bool filter(struct dma_chan *chan, void *param)
static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
struct txx9aclc_dmadata *dmadata)
{
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_plat_drvdata *drvdata =txx9aclc_drvdata;
struct txx9dmac_slave *ds = &dmadata->dma_slave;
dma_cap_mask_t mask;
@@ -333,7 +364,7 @@ static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
dma_cap_set(DMA_SLAVE, mask);
dmadata->dma_chan = dma_request_channel(mask, filter, dmadata);
if (!dmadata->dma_chan) {
- dev_err(dev->soc_dev.dev,
+ printk(KERN_ERR
"DMA channel for %s is not available\n",
dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK ?
"playback" : "capture");
@@ -344,45 +375,16 @@ static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
return 0;
}
-static int txx9aclc_pcm_probe(struct platform_device *pdev)
+static int txx9aclc_pcm_probe(struct snd_soc_platform *platform)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct txx9aclc_soc_device *dev =
- container_of(socdev, struct txx9aclc_soc_device, soc_dev);
- struct resource *r;
- int i;
- int ret;
-
- dev->dmadata[0].stream = SNDRV_PCM_STREAM_PLAYBACK;
- dev->dmadata[1].stream = SNDRV_PCM_STREAM_CAPTURE;
- for (i = 0; i < 2; i++) {
- r = platform_get_resource(dev->aclc_pdev, IORESOURCE_DMA, i);
- if (!r) {
- ret = -EBUSY;
- goto exit;
- }
- dev->dmadata[i].dma_res = r;
- ret = txx9aclc_dma_init(dev, &dev->dmadata[i]);
- if (ret)
- goto exit;
- }
+ snd_soc_platform_set_drvdata(platform, &txx9aclc_soc_device);
return 0;
-
-exit:
- for (i = 0; i < 2; i++) {
- if (dev->dmadata[i].dma_chan)
- dma_release_channel(dev->dmadata[i].dma_chan);
- dev->dmadata[i].dma_chan = NULL;
- }
- return ret;
}
-static int txx9aclc_pcm_remove(struct platform_device *pdev)
+static int txx9aclc_pcm_remove(struct snd_soc_platform *platform)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct txx9aclc_soc_device *dev =
- container_of(socdev, struct txx9aclc_soc_device, soc_dev);
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_get_plat_drvdata(dev);
+ struct txx9aclc_soc_device *dev = snd_soc_platform_get_drvdata(platform);
+ struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
void __iomem *base = drvdata->base;
int i;
@@ -396,7 +398,8 @@ static int txx9aclc_pcm_remove(struct platform_device *pdev)
struct dma_chan *chan = dmadata->dma_chan;
if (chan) {
dmadata->frag_count = -1;
- chan->device->device_terminate_all(chan);
+ chan->device->device_control(chan,
+ DMA_TERMINATE_ALL, 0);
dma_release_channel(chan);
}
dev->dmadata[i].dma_chan = NULL;
@@ -404,28 +407,36 @@ static int txx9aclc_pcm_remove(struct platform_device *pdev)
return 0;
}
-struct snd_soc_platform txx9aclc_soc_platform = {
- .name = "txx9aclc-audio",
+static struct snd_soc_platform_driver txx9aclc_soc_platform = {
.probe = txx9aclc_pcm_probe,
.remove = txx9aclc_pcm_remove,
- .pcm_ops = &txx9aclc_pcm_ops,
+ .ops = &txx9aclc_pcm_ops,
.pcm_new = txx9aclc_pcm_new,
.pcm_free = txx9aclc_pcm_free_dma_buffers,
};
-EXPORT_SYMBOL_GPL(txx9aclc_soc_platform);
-static int __init txx9aclc_soc_platform_init(void)
+static int txx9aclc_soc_platform_probe(struct platform_device *pdev)
{
- return snd_soc_register_platform(&txx9aclc_soc_platform);
+ return snd_soc_register_platform(&pdev->dev, &txx9aclc_soc_platform);
}
-static void __exit txx9aclc_soc_platform_exit(void)
+static int txx9aclc_soc_platform_remove(struct platform_device *pdev)
{
- snd_soc_unregister_platform(&txx9aclc_soc_platform);
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
}
-module_init(txx9aclc_soc_platform_init);
-module_exit(txx9aclc_soc_platform_exit);
+static struct platform_driver txx9aclc_pcm_driver = {
+ .driver = {
+ .name = "txx9aclc-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = txx9aclc_soc_platform_probe,
+ .remove = txx9aclc_soc_platform_remove,
+};
+
+module_platform_driver(txx9aclc_pcm_driver);
MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("TXx9 ACLC Audio DMA driver");
diff --git a/sound/soc/txx9/txx9aclc.h b/sound/soc/txx9/txx9aclc.h
index 6769aab41b3..9c2de84fec3 100644
--- a/sound/soc/txx9/txx9aclc.h
+++ b/sound/soc/txx9/txx9aclc.h
@@ -65,19 +65,10 @@ struct txx9aclc_plat_drvdata {
u64 physbase;
};
-struct txx9aclc_soc_device {
- struct snd_soc_device soc_dev;
- struct platform_device *aclc_pdev; /* for ioresources, drvdata */
- struct txx9aclc_dmadata dmadata[2];
-};
-
static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata(
- struct txx9aclc_soc_device *sdev)
+ struct snd_soc_dai *dai)
{
- return platform_get_drvdata(sdev->aclc_pdev);
+ return dev_get_drvdata(dai->dev);
}
-extern struct snd_soc_platform txx9aclc_soc_platform;
-extern struct snd_soc_dai txx9aclc_ac97_dai;
-
#endif /* __TXX9ACLC_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 18:45:47 +0000