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Diffstat (limited to 'sound/soc/au1x/psc-ac97.c')
-rw-r--r--sound/soc/au1x/psc-ac97.c418
1 files changed, 268 insertions, 150 deletions
diff --git a/sound/soc/au1x/psc-ac97.c b/sound/soc/au1x/psc-ac97.c
index f0e30aec7f2..986dcec79fa 100644
--- a/sound/soc/au1x/psc-ac97.c
+++ b/sound/soc/au1x/psc-ac97.c
@@ -1,8 +1,8 @@
/*
* Au12x0/Au1550 PSC ALSA ASoC audio support.
*
- * (c) 2007-2008 MSC Vertriebsges.m.b.H.,
- * Manuel Lauss <mano@roarinelk.homelinux.net>
+ * (c) 2007-2009 MSC Vertriebsges.m.b.H.,
+ * Manuel Lauss <manuel.lauss@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -10,15 +10,14 @@
*
* Au1xxx-PSC AC97 glue.
*
- * NOTE: all of these drivers can only work with a SINGLE instance
- * of a PSC. Multiple independent audio devices are impossible
- * with ASoC v1.
*/
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/device.h>
#include <linux/delay.h>
+#include <linux/mutex.h>
#include <linux/suspend.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -29,6 +28,9 @@
#include "psc.h"
+/* how often to retry failed codec register reads/writes */
+#define AC97_RW_RETRIES 5
+
#define AC97_DIR \
(SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
@@ -39,64 +41,113 @@
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3BE)
#define AC97PCR_START(stype) \
- ((stype) == PCM_TX ? PSC_AC97PCR_TS : PSC_AC97PCR_RS)
+ ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_AC97PCR_TS : PSC_AC97PCR_RS)
#define AC97PCR_STOP(stype) \
- ((stype) == PCM_TX ? PSC_AC97PCR_TP : PSC_AC97PCR_RP)
+ ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_AC97PCR_TP : PSC_AC97PCR_RP)
#define AC97PCR_CLRFIFO(stype) \
- ((stype) == PCM_TX ? PSC_AC97PCR_TC : PSC_AC97PCR_RC)
+ ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_AC97PCR_TC : PSC_AC97PCR_RC)
+
+#define AC97STAT_BUSY(stype) \
+ ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_AC97STAT_TB : PSC_AC97STAT_RB)
/* instance data. There can be only one, MacLeod!!!! */
static struct au1xpsc_audio_data *au1xpsc_ac97_workdata;
+#if 0
+
+/* this could theoretically work, but ac97->bus->card->private_data can be NULL
+ * when snd_ac97_mixer() is called; I don't know if the rest further down the
+ * chain are always valid either.
+ */
+static inline struct au1xpsc_audio_data *ac97_to_pscdata(struct snd_ac97 *x)
+{
+ struct snd_soc_card *c = x->bus->card->private_data;
+ return snd_soc_dai_get_drvdata(c->rtd->cpu_dai);
+}
+
+#else
+
+#define ac97_to_pscdata(x) au1xpsc_ac97_workdata
+
+#endif
+
/* AC97 controller reads codec register */
static unsigned short au1xpsc_ac97_read(struct snd_ac97 *ac97,
unsigned short reg)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
- unsigned short data, tmo;
+ struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
+ unsigned short retry, tmo;
+ unsigned long data;
- au_writel(PSC_AC97CDC_RD | PSC_AC97CDC_INDX(reg), AC97_CDC(pscdata));
+ au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
au_sync();
- tmo = 1000;
- while ((!(au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)) && --tmo)
- udelay(2);
+ retry = AC97_RW_RETRIES;
+ do {
+ mutex_lock(&pscdata->lock);
+
+ au_writel(PSC_AC97CDC_RD | PSC_AC97CDC_INDX(reg),
+ AC97_CDC(pscdata));
+ au_sync();
- if (!tmo)
- data = 0xffff;
- else
- data = au_readl(AC97_CDC(pscdata)) & 0xffff;
+ tmo = 20;
+ do {
+ udelay(21);
+ if (au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
+ break;
+ } while (--tmo);
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ data = au_readl(AC97_CDC(pscdata));
+
+ au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ au_sync();
+
+ mutex_unlock(&pscdata->lock);
+
+ if (reg != ((data >> 16) & 0x7f))
+ tmo = 1; /* wrong register, try again */
+
+ } while (--retry && !tmo);
- return data;
+ return retry ? data & 0xffff : 0xffff;
}
/* AC97 controller writes to codec register */
static void au1xpsc_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
unsigned short val)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
- unsigned int tmo;
+ struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
+ unsigned int tmo, retry;
- au_writel(PSC_AC97CDC_INDX(reg) | (val & 0xffff), AC97_CDC(pscdata));
+ au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
au_sync();
- tmo = 1000;
- while ((!(au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)) && --tmo)
+
+ retry = AC97_RW_RETRIES;
+ do {
+ mutex_lock(&pscdata->lock);
+
+ au_writel(PSC_AC97CDC_INDX(reg) | (val & 0xffff),
+ AC97_CDC(pscdata));
au_sync();
- au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
- au_sync();
+ tmo = 20;
+ do {
+ udelay(21);
+ if (au_readl(AC97_EVNT(pscdata)) & PSC_AC97EVNT_CD)
+ break;
+ } while (--tmo);
+
+ au_writel(PSC_AC97EVNT_CD, AC97_EVNT(pscdata));
+ au_sync();
+
+ mutex_unlock(&pscdata->lock);
+ } while (--retry && !tmo);
}
/* AC97 controller asserts a warm reset */
static void au1xpsc_ac97_warm_reset(struct snd_ac97 *ac97)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
+ struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
au_writel(PSC_AC97RST_SNC, AC97_RST(pscdata));
au_sync();
@@ -107,8 +158,7 @@ static void au1xpsc_ac97_warm_reset(struct snd_ac97 *ac97)
static void au1xpsc_ac97_cold_reset(struct snd_ac97 *ac97)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
+ struct au1xpsc_audio_data *pscdata = ac97_to_pscdata(ac97);
int i;
/* disable PSC during cold reset */
@@ -129,9 +179,9 @@ static void au1xpsc_ac97_cold_reset(struct snd_ac97 *ac97)
au_sync();
/* wait for PSC to indicate it's ready */
- i = 100000;
+ i = 1000;
while (!((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_SR)) && (--i))
- au_sync();
+ msleep(1);
if (i == 0) {
printk(KERN_ERR "au1xpsc-ac97: PSC not ready!\n");
@@ -143,34 +193,32 @@ static void au1xpsc_ac97_cold_reset(struct snd_ac97 *ac97)
au_sync();
/* wait for AC97 core to become ready */
- i = 100000;
+ i = 1000;
while (!((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && (--i))
- au_sync();
+ msleep(1);
if (i == 0)
printk(KERN_ERR "au1xpsc-ac97: AC97 ctrl not ready\n");
}
/* AC97 controller operations */
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops psc_ac97_ops = {
.read = au1xpsc_ac97_read,
.write = au1xpsc_ac97_write,
.reset = au1xpsc_ac97_cold_reset,
.warm_reset = au1xpsc_ac97_warm_reset,
};
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
static int au1xpsc_ac97_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
- unsigned long r, stat;
- int chans, stype = SUBSTREAM_TYPE(substream);
+ struct au1xpsc_audio_data *pscdata = snd_soc_dai_get_drvdata(dai);
+ unsigned long r, ro, stat;
+ int chans, t, stype = substream->stream;
chans = params_channels(params);
- r = au_readl(AC97_CFG(pscdata));
+ r = ro = au_readl(AC97_CFG(pscdata));
stat = au_readl(AC97_STAT(pscdata));
/* already active? */
@@ -180,16 +228,13 @@ static int au1xpsc_ac97_hw_params(struct snd_pcm_substream *substream,
(pscdata->rate != params_rate(params)))
return -EINVAL;
} else {
- /* disable AC97 device controller first */
- au_writel(r & ~PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
- au_sync();
/* set sample bitdepth: REG[24:21]=(BITS-2)/2 */
r &= ~PSC_AC97CFG_LEN_MASK;
r |= PSC_AC97CFG_SET_LEN(params->msbits);
/* channels: enable slots for front L/R channel */
- if (stype == PCM_TX) {
+ if (stype == SNDRV_PCM_STREAM_PLAYBACK) {
r &= ~PSC_AC97CFG_TXSLOT_MASK;
r |= PSC_AC97CFG_TXSLOT_ENA(3);
r |= PSC_AC97CFG_TXSLOT_ENA(4);
@@ -199,29 +244,64 @@ static int au1xpsc_ac97_hw_params(struct snd_pcm_substream *substream,
r |= PSC_AC97CFG_RXSLOT_ENA(4);
}
- /* finally enable the AC97 controller again */
+ /* do we need to poke the hardware? */
+ if (!(r ^ ro))
+ goto out;
+
+ /* ac97 engine is about to be disabled */
+ mutex_lock(&pscdata->lock);
+
+ /* disable AC97 device controller first... */
+ au_writel(r & ~PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
+ au_sync();
+
+ /* ...wait for it... */
+ t = 100;
+ while ((au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR) && --t)
+ msleep(1);
+
+ if (!t)
+ printk(KERN_ERR "PSC-AC97: can't disable!\n");
+
+ /* ...write config... */
+ au_writel(r, AC97_CFG(pscdata));
+ au_sync();
+
+ /* ...enable the AC97 controller again... */
au_writel(r | PSC_AC97CFG_DE_ENABLE, AC97_CFG(pscdata));
au_sync();
+ /* ...and wait for ready bit */
+ t = 100;
+ while ((!(au_readl(AC97_STAT(pscdata)) & PSC_AC97STAT_DR)) && --t)
+ msleep(1);
+
+ if (!t)
+ printk(KERN_ERR "PSC-AC97: can't enable!\n");
+
+ mutex_unlock(&pscdata->lock);
+
pscdata->cfg = r;
pscdata->rate = params_rate(params);
}
+out:
return 0;
}
static int au1xpsc_ac97_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
- /* FIXME */
- struct au1xpsc_audio_data *pscdata = au1xpsc_ac97_workdata;
- int ret, stype = SUBSTREAM_TYPE(substream);
+ struct au1xpsc_audio_data *pscdata = snd_soc_dai_get_drvdata(dai);
+ int ret, stype = substream->stream;
ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
+ au_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
+ au_sync();
au_writel(AC97PCR_START(stype), AC97_PCR(pscdata));
au_sync();
break;
@@ -229,6 +309,13 @@ static int au1xpsc_ac97_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
au_writel(AC97PCR_STOP(stype), AC97_PCR(pscdata));
au_sync();
+
+ while (au_readl(AC97_STAT(pscdata)) & AC97STAT_BUSY(stype))
+ asm volatile ("nop");
+
+ au_writel(AC97PCR_CLRFIFO(stype), AC97_PCR(pscdata));
+ au_sync();
+
break;
default:
ret = -EINVAL;
@@ -236,103 +323,148 @@ static int au1xpsc_ac97_trigger(struct snd_pcm_substream *substream,
return ret;
}
-static int au1xpsc_ac97_probe(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int au1xpsc_ac97_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct au1xpsc_audio_data *pscdata = snd_soc_dai_get_drvdata(dai);
+ snd_soc_dai_set_dma_data(dai, substream, &pscdata->dmaids[0]);
+ return 0;
+}
+
+static int au1xpsc_ac97_probe(struct snd_soc_dai *dai)
+{
+ return au1xpsc_ac97_workdata ? 0 : -ENODEV;
+}
+
+static const struct snd_soc_dai_ops au1xpsc_ac97_dai_ops = {
+ .startup = au1xpsc_ac97_startup,
+ .trigger = au1xpsc_ac97_trigger,
+ .hw_params = au1xpsc_ac97_hw_params,
+};
+
+static const struct snd_soc_dai_driver au1xpsc_ac97_dai_template = {
+ .ac97_control = 1,
+ .probe = au1xpsc_ac97_probe,
+ .playback = {
+ .rates = AC97_RATES,
+ .formats = AC97_FMTS,
+ .channels_min = 2,
+ .channels_max = 2,
+ },
+ .capture = {
+ .rates = AC97_RATES,
+ .formats = AC97_FMTS,
+ .channels_min = 2,
+ .channels_max = 2,
+ },
+ .ops = &au1xpsc_ac97_dai_ops,
+};
+
+static const struct snd_soc_component_driver au1xpsc_ac97_component = {
+ .name = "au1xpsc-ac97",
+};
+
+static int au1xpsc_ac97_drvprobe(struct platform_device *pdev)
{
int ret;
- struct resource *r;
+ struct resource *iores, *dmares;
unsigned long sel;
+ struct au1xpsc_audio_data *wd;
- if (au1xpsc_ac97_workdata)
- return -EBUSY;
-
- au1xpsc_ac97_workdata =
- kzalloc(sizeof(struct au1xpsc_audio_data), GFP_KERNEL);
- if (!au1xpsc_ac97_workdata)
+ wd = devm_kzalloc(&pdev->dev, sizeof(struct au1xpsc_audio_data),
+ GFP_KERNEL);
+ if (!wd)
return -ENOMEM;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- ret = -ENODEV;
- goto out0;
- }
+ mutex_init(&wd->lock);
+
+ iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ wd->mmio = devm_ioremap_resource(&pdev->dev, iores);
+ if (IS_ERR(wd->mmio))
+ return PTR_ERR(wd->mmio);
- ret = -EBUSY;
- au1xpsc_ac97_workdata->ioarea =
- request_mem_region(r->start, r->end - r->start + 1,
- "au1xpsc_ac97");
- if (!au1xpsc_ac97_workdata->ioarea)
- goto out0;
+ dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!dmares)
+ return -EBUSY;
+ wd->dmaids[SNDRV_PCM_STREAM_PLAYBACK] = dmares->start;
- au1xpsc_ac97_workdata->mmio = ioremap(r->start, 0xffff);
- if (!au1xpsc_ac97_workdata->mmio)
- goto out1;
+ dmares = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!dmares)
+ return -EBUSY;
+ wd->dmaids[SNDRV_PCM_STREAM_CAPTURE] = dmares->start;
/* configuration: max dma trigger threshold, enable ac97 */
- au1xpsc_ac97_workdata->cfg = PSC_AC97CFG_RT_FIFO8 |
- PSC_AC97CFG_TT_FIFO8 |
- PSC_AC97CFG_DE_ENABLE;
+ wd->cfg = PSC_AC97CFG_RT_FIFO8 | PSC_AC97CFG_TT_FIFO8 |
+ PSC_AC97CFG_DE_ENABLE;
- /* preserve PSC clock source set up by platform (dev.platform_data
- * is already occupied by soc layer)
- */
- sel = au_readl(PSC_SEL(au1xpsc_ac97_workdata)) & PSC_SEL_CLK_MASK;
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(au1xpsc_ac97_workdata));
+ /* preserve PSC clock source set up by platform */
+ sel = au_readl(PSC_SEL(wd)) & PSC_SEL_CLK_MASK;
+ au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
au_sync();
- au_writel(0, PSC_SEL(au1xpsc_ac97_workdata));
+ au_writel(0, PSC_SEL(wd));
au_sync();
- au_writel(PSC_SEL_PS_AC97MODE | sel, PSC_SEL(au1xpsc_ac97_workdata));
+ au_writel(PSC_SEL_PS_AC97MODE | sel, PSC_SEL(wd));
au_sync();
- /* next up: cold reset. Dont check for PSC-ready now since
- * there may not be any codec clock yet.
- */
- return 0;
+ /* name the DAI like this device instance ("au1xpsc-ac97.PSCINDEX") */
+ memcpy(&wd->dai_drv, &au1xpsc_ac97_dai_template,
+ sizeof(struct snd_soc_dai_driver));
+ wd->dai_drv.name = dev_name(&pdev->dev);
-out1:
- release_resource(au1xpsc_ac97_workdata->ioarea);
- kfree(au1xpsc_ac97_workdata->ioarea);
-out0:
- kfree(au1xpsc_ac97_workdata);
- au1xpsc_ac97_workdata = NULL;
- return ret;
+ platform_set_drvdata(pdev, wd);
+
+ ret = snd_soc_set_ac97_ops(&psc_ac97_ops);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_register_component(&pdev->dev, &au1xpsc_ac97_component,
+ &wd->dai_drv, 1);
+ if (ret)
+ return ret;
+
+ au1xpsc_ac97_workdata = wd;
+ return 0;
}
-static void au1xpsc_ac97_remove(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int au1xpsc_ac97_drvremove(struct platform_device *pdev)
{
+ struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_component(&pdev->dev);
+
/* disable PSC completely */
- au_writel(0, AC97_CFG(au1xpsc_ac97_workdata));
+ au_writel(0, AC97_CFG(wd));
au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(au1xpsc_ac97_workdata));
+ au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
au_sync();
- iounmap(au1xpsc_ac97_workdata->mmio);
- release_resource(au1xpsc_ac97_workdata->ioarea);
- kfree(au1xpsc_ac97_workdata->ioarea);
- kfree(au1xpsc_ac97_workdata);
- au1xpsc_ac97_workdata = NULL;
+ au1xpsc_ac97_workdata = NULL; /* MDEV */
+
+ return 0;
}
-static int au1xpsc_ac97_suspend(struct snd_soc_dai *dai)
+#ifdef CONFIG_PM
+static int au1xpsc_ac97_drvsuspend(struct device *dev)
{
+ struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
+
/* save interesting registers and disable PSC */
- au1xpsc_ac97_workdata->pm[0] =
- au_readl(PSC_SEL(au1xpsc_ac97_workdata));
+ wd->pm[0] = au_readl(PSC_SEL(wd));
- au_writel(0, AC97_CFG(au1xpsc_ac97_workdata));
+ au_writel(0, AC97_CFG(wd));
au_sync();
- au_writel(PSC_CTRL_DISABLE, PSC_CTRL(au1xpsc_ac97_workdata));
+ au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
au_sync();
return 0;
}
-static int au1xpsc_ac97_resume(struct snd_soc_dai *dai)
+static int au1xpsc_ac97_drvresume(struct device *dev)
{
+ struct au1xpsc_audio_data *wd = dev_get_drvdata(dev);
+
/* restore PSC clock config */
- au_writel(au1xpsc_ac97_workdata->pm[0] | PSC_SEL_PS_AC97MODE,
- PSC_SEL(au1xpsc_ac97_workdata));
+ au_writel(wd->pm[0] | PSC_SEL_PS_AC97MODE, PSC_SEL(wd));
au_sync();
/* after this point the ac97 core will cold-reset the codec.
@@ -342,46 +474,32 @@ static int au1xpsc_ac97_resume(struct snd_soc_dai *dai)
return 0;
}
-struct snd_soc_dai au1xpsc_ac97_dai = {
- .name = "au1xpsc_ac97",
- .ac97_control = 1,
- .probe = au1xpsc_ac97_probe,
- .remove = au1xpsc_ac97_remove,
- .suspend = au1xpsc_ac97_suspend,
- .resume = au1xpsc_ac97_resume,
- .playback = {
- .rates = AC97_RATES,
- .formats = AC97_FMTS,
- .channels_min = 2,
- .channels_max = 2,
- },
- .capture = {
- .rates = AC97_RATES,
- .formats = AC97_FMTS,
- .channels_min = 2,
- .channels_max = 2,
- },
- .ops = {
- .trigger = au1xpsc_ac97_trigger,
- .hw_params = au1xpsc_ac97_hw_params,
- },
+static struct dev_pm_ops au1xpscac97_pmops = {
+ .suspend = au1xpsc_ac97_drvsuspend,
+ .resume = au1xpsc_ac97_drvresume,
};
-EXPORT_SYMBOL_GPL(au1xpsc_ac97_dai);
-static int __init au1xpsc_ac97_init(void)
-{
- au1xpsc_ac97_workdata = NULL;
- return snd_soc_register_dai(&au1xpsc_ac97_dai);
-}
+#define AU1XPSCAC97_PMOPS &au1xpscac97_pmops
-static void __exit au1xpsc_ac97_exit(void)
-{
- snd_soc_unregister_dai(&au1xpsc_ac97_dai);
-}
+#else
+
+#define AU1XPSCAC97_PMOPS NULL
-module_init(au1xpsc_ac97_init);
-module_exit(au1xpsc_ac97_exit);
+#endif
+
+static struct platform_driver au1xpsc_ac97_driver = {
+ .driver = {
+ .name = "au1xpsc_ac97",
+ .owner = THIS_MODULE,
+ .pm = AU1XPSCAC97_PMOPS,
+ },
+ .probe = au1xpsc_ac97_drvprobe,
+ .remove = au1xpsc_ac97_drvremove,
+};
+
+module_platform_driver(au1xpsc_ac97_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Au12x0/Au1550 PSC AC97 ALSA ASoC audio driver");
-MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
+MODULE_AUTHOR("Manuel Lauss");
+