diff options
Diffstat (limited to 'sound/soc/codecs/ac97.c')
| -rw-r--r-- | sound/soc/codecs/ac97.c | 142 |
1 files changed, 61 insertions, 81 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index a1bbe16b7f9..8d9ba4ba4bf 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c @@ -13,40 +13,46 @@ */ #include <linux/init.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/device.h> +#include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/initval.h> #include <sound/soc.h> -#include "ac97.h" -#define AC97_VERSION "0.6" +static const struct snd_soc_dapm_widget ac97_widgets[] = { + SND_SOC_DAPM_INPUT("RX"), + SND_SOC_DAPM_OUTPUT("TX"), +}; + +static const struct snd_soc_dapm_route ac97_routes[] = { + { "AC97 Capture", NULL, "RX" }, + { "TX", NULL, "AC97 Playback" }, +}; 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 = dai->codec; int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; - return snd_ac97_set_rate(codec->ac97, reg, runtime->rate); + return snd_ac97_set_rate(codec->ac97, reg, substream->runtime->rate); } #define STD_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ SNDRV_PCM_RATE_48000) -static struct snd_soc_dai_ops ac97_dai_ops = { +static const 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", @@ -62,107 +68,51 @@ 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) { - return soc_ac97_ops.read(codec->ac97, reg); + return soc_ac97_ops->read(codec->ac97, reg); } static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int val) { - soc_ac97_ops.write(codec->ac97, reg, val); + soc_ac97_ops->write(codec->ac97, reg, val); 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_codec *codec; struct snd_ac97_bus *ac97_bus; struct snd_ac97_template ac97_template; - 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); - - ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); - if (ret < 0) { - printk(KERN_ERR "ASoC: failed to init gen ac97 glue\n"); - goto err; - } - - /* 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; - - 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) -{ - 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 ret; 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) { - 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; } @@ -171,14 +121,44 @@ 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, + + .dapm_widgets = ac97_widgets, + .num_dapm_widgets = ARRAY_SIZE(ac97_widgets), + .dapm_routes = ac97_routes, + .num_dapm_routes = ARRAY_SIZE(ac97_routes), }; -EXPORT_SYMBOL_GPL(soc_codec_dev_ac97); + +static int ac97_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, + &soc_codec_dev_ac97, &ac97_dai, 1); +} + +static int 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 = ac97_remove, +}; + +module_platform_driver(ac97_codec_driver); MODULE_DESCRIPTION("Soc Generic AC97 driver"); MODULE_AUTHOR("Liam Girdwood"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ac97-codec"); |