diff options
Diffstat (limited to 'sound/soc/fsl/pcm030-audio-fabric.c')
-rw-r--r-- | sound/soc/fsl/pcm030-audio-fabric.c | 100 |
1 files changed, 73 insertions, 27 deletions
diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c index b3af55dcde9d..4b63ec8eb372 100644 --- a/sound/soc/fsl/pcm030-audio-fabric.c +++ b/sound/soc/fsl/pcm030-audio-fabric.c @@ -12,32 +12,27 @@ #include <linux/init.h> #include <linux/module.h> -#include <linux/interrupt.h> #include <linux/device.h> -#include <linux/delay.h> #include <linux/of_device.h> #include <linux/of_platform.h> -#include <linux/dma-mapping.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> #include <sound/soc.h> #include "mpc5200_dma.h" -#include "mpc5200_psc_ac97.h" -#include "../codecs/wm9712.h" #define DRV_NAME "pcm030-audio-fabric" +struct pcm030_audio_data { + struct snd_soc_card *card; + struct platform_device *codec_device; +}; + static struct snd_soc_dai_link pcm030_fabric_dai[] = { { .name = "AC97", .stream_name = "AC97 Analog", .codec_dai_name = "wm9712-hifi", .cpu_dai_name = "mpc5200-psc-ac97.0", - .platform_name = "mpc5200-pcm-audio", .codec_name = "wm9712-codec", }, { @@ -45,44 +40,95 @@ static struct snd_soc_dai_link pcm030_fabric_dai[] = { .stream_name = "AC97 IEC958", .codec_dai_name = "wm9712-aux", .cpu_dai_name = "mpc5200-psc-ac97.1", - .platform_name = "mpc5200-pcm-audio", .codec_name = "wm9712-codec", }, }; -static struct snd_soc_card card = { +static struct snd_soc_card pcm030_card = { .name = "pcm030", .owner = THIS_MODULE, .dai_link = pcm030_fabric_dai, .num_links = ARRAY_SIZE(pcm030_fabric_dai), }; -static __init int pcm030_fabric_init(void) +static int __init pcm030_fabric_probe(struct platform_device *op) { - struct platform_device *pdev; - int rc; + struct device_node *np = op->dev.of_node; + struct device_node *platform_np; + struct snd_soc_card *card = &pcm030_card; + struct pcm030_audio_data *pdata; + int ret; + int i; if (!of_machine_is_compatible("phytec,pcm030")) return -ENODEV; - pdev = platform_device_alloc("soc-audio", 1); - if (!pdev) { - pr_err("pcm030_fabric_init: platform_device_alloc() failed\n"); - return -ENODEV; - } + pdata = devm_kzalloc(&op->dev, sizeof(struct pcm030_audio_data), + GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + card->dev = &op->dev; + platform_set_drvdata(op, pdata); - platform_set_drvdata(pdev, &card); + pdata->card = card; - rc = platform_device_add(pdev); - if (rc) { - pr_err("pcm030_fabric_init: platform_device_add() failed\n"); - platform_device_put(pdev); + platform_np = of_parse_phandle(np, "asoc-platform", 0); + if (!platform_np) { + dev_err(&op->dev, "ac97 not registered\n"); return -ENODEV; } - return 0; + + for (i = 0; i < card->num_links; i++) + card->dai_link[i].platform_of_node = platform_np; + + ret = request_module("snd-soc-wm9712"); + if (ret) + dev_err(&op->dev, "request_module returned: %d\n", ret); + + pdata->codec_device = platform_device_alloc("wm9712-codec", -1); + if (!pdata->codec_device) + dev_err(&op->dev, "platform_device_alloc() failed\n"); + + ret = platform_device_add(pdata->codec_device); + if (ret) + dev_err(&op->dev, "platform_device_add() failed: %d\n", ret); + + ret = snd_soc_register_card(card); + if (ret) + dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret); + + return ret; +} + +static int __devexit pcm030_fabric_remove(struct platform_device *op) +{ + struct pcm030_audio_data *pdata = platform_get_drvdata(op); + int ret; + + ret = snd_soc_unregister_card(pdata->card); + platform_device_unregister(pdata->codec_device); + + return ret; } -module_init(pcm030_fabric_init); +static struct of_device_id pcm030_audio_match[] = { + { .compatible = "phytec,pcm030-audio-fabric", }, + {} +}; +MODULE_DEVICE_TABLE(of, pcm030_audio_match); + +static struct platform_driver pcm030_fabric_driver = { + .probe = pcm030_fabric_probe, + .remove = __devexit_p(pcm030_fabric_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .of_match_table = pcm030_audio_match, + }, +}; + +module_platform_driver(pcm030_fabric_driver); MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); |