summary refs log tree commit diff
path: root/sound/soc/codecs/ac97.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/ac97.c')
-rw-r--r--sound/soc/codecs/ac97.c125
1 files changed, 51 insertions, 74 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index 1f5e57a4bb7a..3c087936aa57 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -21,17 +21,13 @@
 #include <sound/ac97_codec.h>
 #include <sound/initval.h>
 #include <sound/soc.h>
-#include "ac97.h"
-
-#define AC97_VERSION "0.6"
 
 static int ac97_prepare(struct snd_pcm_substream *substream,
 			struct snd_soc_dai *dai)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_device *socdev = rtd->socdev;
-	struct snd_soc_codec *codec = socdev->card->codec;
+	struct snd_soc_codec *codec = rtd->codec;
 
 	int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
 		  AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
@@ -46,8 +42,8 @@ static struct snd_soc_dai_ops ac97_dai_ops = {
 	.prepare	= ac97_prepare,
 };
 
-struct snd_soc_dai ac97_dai = {
-	.name = "AC97 HiFi",
+static struct snd_soc_dai_driver ac97_dai = {
+	.name = "ac97-hifi",
 	.ac97_control = 1,
 	.playback = {
 		.stream_name = "AC97 Playback",
@@ -63,7 +59,6 @@ struct snd_soc_dai ac97_dai = {
 		.formats = SND_SOC_STD_AC97_FMTS,},
 	.ops = &ac97_dai_ops,
 };
-EXPORT_SYMBOL_GPL(ac97_dai);
 
 static unsigned int ac97_read(struct snd_soc_codec *codec,
 	unsigned int reg)
@@ -78,95 +73,41 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 	return 0;
 }
 
-static int ac97_soc_probe(struct platform_device *pdev)
+static int ac97_soc_probe(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_card *card = socdev->card;
-	struct snd_soc_codec *codec;
 	struct snd_ac97_bus *ac97_bus;
 	struct snd_ac97_template ac97_template;
-	int i;
-	int ret = 0;
-
-	printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
-
-	socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
-	if (!socdev->card->codec)
-		return -ENOMEM;
-	codec = socdev->card->codec;
-	mutex_init(&codec->mutex);
-
-	codec->name = "AC97";
-	codec->owner = THIS_MODULE;
-	codec->dai = &ac97_dai;
-	codec->num_dai = 1;
-	codec->write = ac97_write;
-	codec->read = ac97_read;
-	INIT_LIST_HEAD(&codec->dapm_widgets);
-	INIT_LIST_HEAD(&codec->dapm_paths);
-
-	/* register pcms */
-	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-	if (ret < 0)
-		goto err;
+	int ret;
 
 	/* add codec as bus device for standard ac97 */
-	ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus);
+	ret = snd_ac97_bus(codec->card->snd_card, 0, &soc_ac97_ops, NULL, &ac97_bus);
 	if (ret < 0)
-		goto bus_err;
+		return ret;
 
 	memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
 	ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97);
 	if (ret < 0)
-		goto bus_err;
-
-	for (i = 0; i < card->num_links; i++) {
-		if (card->dai_link[i].codec_dai->ac97_control) {
-			snd_ac97_dev_add_pdata(codec->ac97,
-				card->dai_link[i].cpu_dai->ac97_pdata);
-		}
-	}
+		return ret;
 
 	return 0;
-
-bus_err:
-	snd_soc_free_pcms(socdev);
-
-err:
-	kfree(socdev->card->codec);
-	socdev->card->codec = NULL;
-	return ret;
 }
 
-static int ac97_soc_remove(struct platform_device *pdev)
+static int ac97_soc_remove(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->card->codec;
-
-	if (!codec)
-		return 0;
-
-	snd_soc_free_pcms(socdev);
-	kfree(socdev->card->codec);
-
 	return 0;
 }
 
 #ifdef CONFIG_PM
-static int ac97_soc_suspend(struct platform_device *pdev, pm_message_t msg)
+static int ac97_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
-	snd_ac97_suspend(socdev->card->codec->ac97);
+	snd_ac97_suspend(codec->ac97);
 
 	return 0;
 }
 
-static int ac97_soc_resume(struct platform_device *pdev)
+static int ac97_soc_resume(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
-	snd_ac97_resume(socdev->card->codec->ac97);
+	snd_ac97_resume(codec->ac97);
 
 	return 0;
 }
@@ -175,14 +116,50 @@ static int ac97_soc_resume(struct platform_device *pdev)
 #define ac97_soc_resume NULL
 #endif
 
-struct snd_soc_codec_device soc_codec_dev_ac97 = {
+static struct snd_soc_codec_driver soc_codec_dev_ac97 = {
+	.write =	ac97_write,
+	.read =		ac97_read,
 	.probe = 	ac97_soc_probe,
 	.remove = 	ac97_soc_remove,
 	.suspend =	ac97_soc_suspend,
 	.resume =	ac97_soc_resume,
 };
-EXPORT_SYMBOL_GPL(soc_codec_dev_ac97);
+
+static __devinit int ac97_probe(struct platform_device *pdev)
+{
+	return snd_soc_register_codec(&pdev->dev,
+			&soc_codec_dev_ac97, &ac97_dai, 1);
+}
+
+static int __devexit ac97_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_codec(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver ac97_codec_driver = {
+	.driver = {
+		.name = "ac97-codec",
+		.owner = THIS_MODULE,
+	},
+
+	.probe = ac97_probe,
+	.remove = __devexit_p(ac97_remove),
+};
+
+static int __init ac97_init(void)
+{
+	return platform_driver_register(&ac97_codec_driver);
+}
+module_init(ac97_init);
+
+static void __exit ac97_exit(void)
+{
+	platform_driver_unregister(&ac97_codec_driver);
+}
+module_exit(ac97_exit);
 
 MODULE_DESCRIPTION("Soc Generic AC97 driver");
 MODULE_AUTHOR("Liam Girdwood");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ac97-codec");