diff options
Diffstat (limited to 'sound/soc/codecs/tlv320aic26.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic26.c | 180 |
1 files changed, 61 insertions, 119 deletions
diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c index f0e00fd..6b7d71e 100644 --- a/sound/soc/codecs/tlv320aic26.c +++ b/sound/soc/codecs/tlv320aic26.c @@ -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, |