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Diffstat (limited to 'sound/soc/txx9/txx9aclc-ac97.c')
-rw-r--r--sound/soc/txx9/txx9aclc-ac97.c107
1 files changed, 44 insertions, 63 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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2026-01-06 02:51:22 +0000