diff options
Diffstat (limited to 'sound/soc/samsung/smdk_wm8994.c')
| -rw-r--r-- | sound/soc/samsung/smdk_wm8994.c | 84 |
1 files changed, 37 insertions, 47 deletions
diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c index 581ea4a06fc..3d6272a8cad 100644 --- a/sound/soc/samsung/smdk_wm8994.c +++ b/sound/soc/samsung/smdk_wm8994.c @@ -9,8 +9,10 @@ #include "../codecs/wm8994.h" #include <sound/pcm_params.h> +#include <sound/soc.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> /* * Default CFG switch settings to use this driver: @@ -37,35 +39,31 @@ /* SMDK has a 16.934MHZ crystal attached to WM8994 */ #define SMDK_WM8994_FREQ 16934000 +struct smdk_wm8994_data { + int mclk1_rate; +}; + +/* Default SMDKs */ +static struct smdk_wm8994_data smdk_board_data = { + .mclk1_rate = SMDK_WM8994_FREQ, +}; + static int smdk_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; unsigned int pll_out; int ret; /* AIF1CLK should be >=3MHz for optimal performance */ - if (params_format(params) == SNDRV_PCM_FORMAT_S24_LE) + if (params_width(params) == 24) pll_out = params_rate(params) * 384; else if (params_rate(params) == 8000 || params_rate(params) == 11025) pll_out = params_rate(params) * 512; else pll_out = params_rate(params) * 256; - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S - | SND_SOC_DAIFMT_NB_NF - | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S - | SND_SOC_DAIFMT_NB_NF - | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1, SMDK_WM8994_FREQ, pll_out); if (ret < 0) @@ -91,18 +89,6 @@ static int smdk_wm8994_init_paiftx(struct snd_soc_pcm_runtime *rtd) struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; - /* HeadPhone */ - snd_soc_dapm_enable_pin(dapm, "HPOUT1R"); - snd_soc_dapm_enable_pin(dapm, "HPOUT1L"); - - /* MicIn */ - snd_soc_dapm_enable_pin(dapm, "IN1LN"); - snd_soc_dapm_enable_pin(dapm, "IN1RN"); - - /* LineIn */ - snd_soc_dapm_enable_pin(dapm, "IN2LN"); - snd_soc_dapm_enable_pin(dapm, "IN2RN"); - /* Other pins NC */ snd_soc_dapm_nc_pin(dapm, "HPOUT2P"); snd_soc_dapm_nc_pin(dapm, "HPOUT2N"); @@ -131,6 +117,8 @@ static struct snd_soc_dai_link smdk_dai[] = { .platform_name = "samsung-i2s.0", .codec_name = "wm8994-codec", .init = smdk_wm8994_init_paiftx, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, .ops = &smdk_ops, }, { /* Sec_Fifo Playback i/f */ .name = "Sec_FIFO TX", @@ -139,6 +127,8 @@ static struct snd_soc_dai_link smdk_dai[] = { .codec_dai_name = "wm8994-aif1", .platform_name = "samsung-i2s-sec", .codec_name = "wm8994-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, .ops = &smdk_ops, }, }; @@ -150,15 +140,26 @@ static struct snd_soc_card smdk = { .num_links = ARRAY_SIZE(smdk_dai), }; +static const struct of_device_id samsung_wm8994_of_match[] = { + { .compatible = "samsung,smdk-wm8994", .data = &smdk_board_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match); static int smdk_audio_probe(struct platform_device *pdev) { int ret; struct device_node *np = pdev->dev.of_node; struct snd_soc_card *card = &smdk; + struct smdk_wm8994_data *board; + const struct of_device_id *id; card->dev = &pdev->dev; + board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL); + if (!board) + return -ENOMEM; + if (np) { smdk_dai[0].cpu_dai_name = NULL; smdk_dai[0].cpu_of_node = of_parse_phandle(np, @@ -173,7 +174,13 @@ static int smdk_audio_probe(struct platform_device *pdev) smdk_dai[0].platform_of_node = smdk_dai[0].cpu_of_node; } - ret = snd_soc_register_card(card); + id = of_match_device(of_match_ptr(samsung_wm8994_of_match), &pdev->dev); + if (id) + *board = *((struct smdk_wm8994_data *)id->data); + + platform_set_drvdata(pdev, board); + + ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret); @@ -181,35 +188,18 @@ static int smdk_audio_probe(struct platform_device *pdev) return ret; } -static int smdk_audio_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - - return 0; -} - -#ifdef CONFIG_OF -static const struct of_device_id samsung_wm8994_of_match[] = { - { .compatible = "samsung,smdk-wm8994", }, - {}, -}; -MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match); -#endif /* CONFIG_OF */ - static struct platform_driver smdk_audio_driver = { .driver = { - .name = "smdk-audio", + .name = "smdk-audio-wm8994", .owner = THIS_MODULE, .of_match_table = of_match_ptr(samsung_wm8994_of_match), + .pm = &snd_soc_pm_ops, }, .probe = smdk_audio_probe, - .remove = smdk_audio_remove, }; module_platform_driver(smdk_audio_driver); MODULE_DESCRIPTION("ALSA SoC SMDK WM8994"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:smdk-audio"); +MODULE_ALIAS("platform:smdk-audio-wm8994"); |