ASoC: multi-component - ASoC Multi-Component Support
[linux-flexiantxendom0-natty.git] / sound / soc / codecs / tlv320aic26.c
index f0e00fd..6b7d71e 100644 (file)
@@ -19,7 +19,6 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
-#include <sound/soc-of-simple.h>
 #include <sound/initval.h>
 
 #include "tlv320aic26.h"
@@ -130,8 +129,7 @@ static int aic26_hw_params(struct snd_pcm_substream *substream,
                           struct snd_soc_dai *dai)
 {
        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;
        struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
        int fsref, divisor, wlen, pval, jval, dval, qval;
        u16 reg;
@@ -278,8 +276,8 @@ static struct snd_soc_dai_ops aic26_dai_ops = {
        .set_fmt        = aic26_set_fmt,
 };
 
-struct snd_soc_dai aic26_dai = {
-       .name = "tlv320aic26",
+static struct snd_soc_dai_driver aic26_dai = {
+       .name = "tlv320aic26-hifi",
        .playback = {
                .stream_name = "Playback",
                .channels_min = 2,
@@ -296,7 +294,6 @@ struct snd_soc_dai aic26_dai = {
        },
        .ops = &aic26_dai_ops,
 };
-EXPORT_SYMBOL_GPL(aic26_dai);
 
 /* ---------------------------------------------------------------------
  * ALSA controls
@@ -319,61 +316,6 @@ static const struct snd_kcontrol_new aic26_snd_controls[] = {
 };
 
 /* ---------------------------------------------------------------------
- * SoC CODEC portion of driver: probe and release routines
- */
-static int aic26_probe(struct platform_device *pdev)
-{
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       struct snd_soc_codec *codec;
-       struct aic26 *aic26;
-       int ret, err;
-
-       dev_info(&pdev->dev, "Probing AIC26 SoC CODEC driver\n");
-       dev_dbg(&pdev->dev, "socdev=%p\n", socdev);
-       dev_dbg(&pdev->dev, "codec_data=%p\n", socdev->codec_data);
-
-       /* Fetch the relevant aic26 private data here (it's already been
-        * stored in the .codec pointer) */
-       aic26 = socdev->codec_data;
-       if (aic26 == NULL) {
-               dev_err(&pdev->dev, "aic26: missing codec pointer\n");
-               return -ENODEV;
-       }
-       codec = &aic26->codec;
-       socdev->card->codec = codec;
-
-       dev_dbg(&pdev->dev, "Registering PCMs, dev=%p, socdev->dev=%p\n",
-               &pdev->dev, socdev->dev);
-       /* register pcms */
-       ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-       if (ret < 0) {
-               dev_err(&pdev->dev, "aic26: failed to create pcms\n");
-               return -ENODEV;
-       }
-
-       /* register controls */
-       dev_dbg(&pdev->dev, "Registering controls\n");
-       err = snd_soc_add_controls(codec, aic26_snd_controls,
-                       ARRAY_SIZE(aic26_snd_controls));
-       WARN_ON(err < 0);
-
-       return 0;
-}
-
-static int aic26_remove(struct platform_device *pdev)
-{
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       snd_soc_free_pcms(socdev);
-       return 0;
-}
-
-struct snd_soc_codec_device aic26_soc_codec_dev = {
-       .probe = aic26_probe,
-       .remove = aic26_remove,
-};
-EXPORT_SYMBOL_GPL(aic26_soc_codec_dev);
-
-/* ---------------------------------------------------------------------
  * SPI device portion of driver: sysfs files for debugging
  */
 
@@ -409,95 +351,95 @@ static ssize_t aic26_keyclick_set(struct device *dev,
 static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set);
 
 /* ---------------------------------------------------------------------
- * SPI device portion of driver: probe and release routines and SPI
- *                              driver registration.
+ * SoC CODEC portion of driver: probe and release routines
  */
-static int aic26_spi_probe(struct spi_device *spi)
+static int aic26_probe(struct snd_soc_codec *codec)
 {
-       struct aic26 *aic26;
-       int ret, i, reg;
-
-       dev_dbg(&spi->dev, "probing tlv320aic26 spi device\n");
-
-       /* Allocate driver data */
-       aic26 = kzalloc(sizeof *aic26, GFP_KERNEL);
-       if (!aic26)
-               return -ENOMEM;
-
-       /* Initialize the driver data */
-       aic26->spi = spi;
-       dev_set_drvdata(&spi->dev, aic26);
+       struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
+       int ret, err, i, reg;
 
-       /* Setup what we can in the codec structure so that the register
-        * access functions will work as expected.  More will be filled
-        * out when it is probed by the SoC CODEC part of this driver */
-       snd_soc_codec_set_drvdata(&aic26->codec, aic26);
-       aic26->codec.name = "aic26";
-       aic26->codec.owner = THIS_MODULE;
-       aic26->codec.dai = &aic26_dai;
-       aic26->codec.num_dai = 1;
-       aic26->codec.read = aic26_reg_read;
-       aic26->codec.write = aic26_reg_write;
-       aic26->master = 1;
-       mutex_init(&aic26->codec.mutex);
-       INIT_LIST_HEAD(&aic26->codec.dapm_widgets);
-       INIT_LIST_HEAD(&aic26->codec.dapm_paths);
-       aic26->codec.reg_cache_size = AIC26_NUM_REGS;
-       aic26->codec.reg_cache = aic26->reg_cache;
-
-       aic26_dai.dev = &spi->dev;
-       ret = snd_soc_register_dai(&aic26_dai);
-       if (ret != 0) {
-               dev_err(&spi->dev, "Failed to register DAI: %d\n", ret);
-               kfree(aic26);
-               return ret;
-       }
+       dev_info(codec->dev, "Probing AIC26 SoC CODEC driver\n");
 
        /* Reset the codec to power on defaults */
-       aic26_reg_write(&aic26->codec, AIC26_REG_RESET, 0xBB00);
+       aic26_reg_write(codec, AIC26_REG_RESET, 0xBB00);
 
        /* Power up CODEC */
-       aic26_reg_write(&aic26->codec, AIC26_REG_POWER_CTRL, 0);
+       aic26_reg_write(codec, AIC26_REG_POWER_CTRL, 0);
 
        /* Audio Control 3 (master mode, fsref rate) */
-       reg = aic26_reg_read(&aic26->codec, AIC26_REG_AUDIO_CTRL3);
+       reg = aic26_reg_read(codec, AIC26_REG_AUDIO_CTRL3);
        reg &= ~0xf800;
        reg |= 0x0800; /* set master mode */
-       aic26_reg_write(&aic26->codec, AIC26_REG_AUDIO_CTRL3, reg);
+       aic26_reg_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
 
        /* Fill register cache */
        for (i = 0; i < ARRAY_SIZE(aic26->reg_cache); i++)
-               aic26_reg_read(&aic26->codec, i);
+               aic26_reg_read(codec, i);
 
        /* Register the sysfs files for debugging */
        /* Create SysFS files */
-       ret = device_create_file(&spi->dev, &dev_attr_keyclick);
+       ret = device_create_file(codec->dev, &dev_attr_keyclick);
        if (ret)
-               dev_info(&spi->dev, "error creating sysfs files\n");
+               dev_info(codec->dev, "error creating sysfs files\n");
 
-#if defined(CONFIG_SND_SOC_OF_SIMPLE)
-       /* Tell the of_soc helper about this codec */
-       of_snd_soc_register_codec(&aic26_soc_codec_dev, aic26, &aic26_dai,
-                                 spi->dev.archdata.of_node);
-#endif
+       /* register controls */
+       dev_dbg(codec->dev, "Registering controls\n");
+       err = snd_soc_add_controls(codec, aic26_snd_controls,
+                       ARRAY_SIZE(aic26_snd_controls));
+       WARN_ON(err < 0);
 
-       dev_dbg(&spi->dev, "SPI device initialized\n");
        return 0;
 }
 
-static int aic26_spi_remove(struct spi_device *spi)
+static struct snd_soc_codec_driver aic26_soc_codec_dev = {
+       .probe = aic26_probe,
+       .read = aic26_reg_read,
+       .write = aic26_reg_write,
+       .reg_cache_size = AIC26_NUM_REGS,
+       .reg_word_size = sizeof(u16),
+};
+
+/* ---------------------------------------------------------------------
+ * SPI device portion of driver: probe and release routines and SPI
+ *                              driver registration.
+ */
+static int aic26_spi_probe(struct spi_device *spi)
 {
-       struct aic26 *aic26 = dev_get_drvdata(&spi->dev);
+       struct aic26 *aic26;
+       int ret;
 
-       snd_soc_unregister_dai(&aic26_dai);
-       kfree(aic26);
+       dev_dbg(&spi->dev, "probing tlv320aic26 spi device\n");
+
+       /* Allocate driver data */
+       aic26 = kzalloc(sizeof *aic26, GFP_KERNEL);
+       if (!aic26)
+               return -ENOMEM;
 
+       /* Initialize the driver data */
+       aic26->spi = spi;
+       dev_set_drvdata(&spi->dev, aic26);
+       aic26->master = 1;
+
+       ret = snd_soc_register_codec(&spi->dev,
+                       &aic26_soc_codec_dev, &aic26_dai, 1);
+       if (ret < 0)
+               kfree(aic26);
+       return ret;
+
+       dev_dbg(&spi->dev, "SPI device initialized\n");
+       return 0;
+}
+
+static int aic26_spi_remove(struct spi_device *spi)
+{
+       snd_soc_unregister_codec(&spi->dev);
+       kfree(spi_get_drvdata(spi));
        return 0;
 }
 
 static struct spi_driver aic26_spi = {
        .driver = {
-               .name = "tlv320aic26",
+               .name = "tlv320aic26-codec",
                .owner = THIS_MODULE,
        },
        .probe = aic26_spi_probe,