[deliverable/linux.git] / sound / soc / samsung / smdk_wm8994.c

/*
 *  smdk_wm8994.c
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */

#include "../codecs/wm8994.h"
#include <sound/pcm_params.h>
#include <linux/module.h>

 /*
  * Default CFG switch settings to use this driver:
  *	SMDKV310: CFG5-1000, CFG7-111111
  */

 /*
  * Configure audio route as :-
  * $ amixer sset 'DAC1' on,on
  * $ amixer sset 'Right Headphone Mux' 'DAC'
  * $ amixer sset 'Left Headphone Mux' 'DAC'
  * $ amixer sset 'DAC1R Mixer AIF1.1' on
  * $ amixer sset 'DAC1L Mixer AIF1.1' on
  * $ amixer sset 'IN2L' on
  * $ amixer sset 'IN2L PGA IN2LN' on
  * $ amixer sset 'MIXINL IN2L' on
  * $ amixer sset 'AIF1ADC1L Mixer ADC/DMIC' on
  * $ amixer sset 'IN2R' on
  * $ amixer sset 'IN2R PGA IN2RN' on
  * $ amixer sset 'MIXINR IN2R' on
  * $ amixer sset 'AIF1ADC1R Mixer ADC/DMIC' on
  */

/* SMDK has a 16.934MHZ crystal attached to WM8994 */
#define SMDK_WM8994_FREQ 16934000

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)
		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)
		return ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
					pll_out, SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

/*
 * SMDK WM8994 DAI operations.
 */
static struct snd_soc_ops smdk_ops = {
	.hw_params = smdk_hw_params,
};

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");
	snd_soc_dapm_nc_pin(dapm, "SPKOUTLN");
	snd_soc_dapm_nc_pin(dapm, "SPKOUTLP");
	snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
	snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
	snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
	snd_soc_dapm_nc_pin(dapm, "IN1LP");
	snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
	snd_soc_dapm_nc_pin(dapm, "IN1RP");
	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");

	return 0;
}

static struct snd_soc_dai_link smdk_dai[] = {
	{ /* Primary DAI i/f */
		.name = "WM8994 AIF1",
		.stream_name = "Pri_Dai",
		.cpu_dai_name = "samsung-i2s.0",
		.codec_dai_name = "wm8994-aif1",
		.platform_name = "samsung-i2s.0",
		.codec_name = "wm8994-codec",
		.init = smdk_wm8994_init_paiftx,
		.ops = &smdk_ops,
	}, { /* Sec_Fifo Playback i/f */
		.name = "Sec_FIFO TX",
		.stream_name = "Sec_Dai",
		.cpu_dai_name = "samsung-i2s.4",
		.codec_dai_name = "wm8994-aif1",
		.platform_name = "samsung-i2s.4",
		.codec_name = "wm8994-codec",
		.ops = &smdk_ops,
	},
};

static struct snd_soc_card smdk = {
	.name = "SMDK-I2S",
	.owner = THIS_MODULE,
	.dai_link = smdk_dai,
	.num_links = ARRAY_SIZE(smdk_dai),
};


static int smdk_audio_probe(struct platform_device *pdev)
{
	int ret;
	struct snd_soc_card *card = &smdk;

	card->dev = &pdev->dev;
	ret = snd_soc_register_card(card);

	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret);

	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;
}

static struct platform_driver smdk_audio_driver = {
	.driver		= {
		.name	= "smdk-audio",
		.owner	= THIS_MODULE,
	},
	.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");
Commit	Line	Data
96657d33 JB	1	/*
	2	* smdk_wm8994.c
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License as published by the
	6	* Free Software Foundation; either version 2 of the License, or (at your
	7	* option) any later version.
	8	*/
	9
	10	#include "../codecs/wm8994.h"
b3d7615f	11	#include <sound/pcm_params.h>
3d94a2a5	12	#include <linux/module.h>
96657d33 JB	13
	14	/*
	15	* Default CFG switch settings to use this driver:
	16	* SMDKV310: CFG5-1000, CFG7-111111
	17	*/
	18
	19	/*
	20	* Configure audio route as :-
	21	* $ amixer sset 'DAC1' on,on
	22	* $ amixer sset 'Right Headphone Mux' 'DAC'
	23	* $ amixer sset 'Left Headphone Mux' 'DAC'
	24	* $ amixer sset 'DAC1R Mixer AIF1.1' on
	25	* $ amixer sset 'DAC1L Mixer AIF1.1' on
	26	* $ amixer sset 'IN2L' on
	27	* $ amixer sset 'IN2L PGA IN2LN' on
	28	* $ amixer sset 'MIXINL IN2L' on
	29	* $ amixer sset 'AIF1ADC1L Mixer ADC/DMIC' on
	30	* $ amixer sset 'IN2R' on
	31	* $ amixer sset 'IN2R PGA IN2RN' on
	32	* $ amixer sset 'MIXINR IN2R' on
	33	* $ amixer sset 'AIF1ADC1R Mixer ADC/DMIC' on
	34	*/
	35
	36	/* SMDK has a 16.934MHZ crystal attached to WM8994 */
	37	#define SMDK_WM8994_FREQ 16934000
	38
	39	static int smdk_hw_params(struct snd_pcm_substream *substream,
	40	struct snd_pcm_hw_params *params)
	41	{
	42	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	43	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	44	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	45	unsigned int pll_out;
	46	int ret;
	47
	48	/* AIF1CLK should be >=3MHz for optimal performance */
b3d7615f GM	49	if (params_format(params) == SNDRV_PCM_FORMAT_S24_LE)
	50	pll_out = params_rate(params) * 384;
	51	else if (params_rate(params) == 8000 \|\| params_rate(params) == 11025)
96657d33 JB	52	pll_out = params_rate(params) * 512;
	53	else
	54	pll_out = params_rate(params) * 256;
	55
	56	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
	57	\| SND_SOC_DAIFMT_NB_NF
	58	\| SND_SOC_DAIFMT_CBM_CFM);
	59	if (ret < 0)
	60	return ret;
	61
	62	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S
	63	\| SND_SOC_DAIFMT_NB_NF
	64	\| SND_SOC_DAIFMT_CBM_CFM);
	65	if (ret < 0)
	66	return ret;
	67
	68	ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
	69	SMDK_WM8994_FREQ, pll_out);
	70	if (ret < 0)
	71	return ret;
	72
	73	ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
	74	pll_out, SND_SOC_CLOCK_IN);
	75	if (ret < 0)
	76	return ret;
	77
	78	return 0;
	79	}
	80
	81	/*
	82	* SMDK WM8994 DAI operations.
	83	*/
	84	static struct snd_soc_ops smdk_ops = {
	85	.hw_params = smdk_hw_params,
	86	};
	87
	88	static int smdk_wm8994_init_paiftx(struct snd_soc_pcm_runtime *rtd)
	89	{
	90	struct snd_soc_codec *codec = rtd->codec;
	91	struct snd_soc_dapm_context *dapm = &codec->dapm;
	92
	93	/* HeadPhone */
	94	snd_soc_dapm_enable_pin(dapm, "HPOUT1R");
	95	snd_soc_dapm_enable_pin(dapm, "HPOUT1L");
	96
	97	/* MicIn */
	98	snd_soc_dapm_enable_pin(dapm, "IN1LN");
	99	snd_soc_dapm_enable_pin(dapm, "IN1RN");
	100
	101	/* LineIn */
	102	snd_soc_dapm_enable_pin(dapm, "IN2LN");
	103	snd_soc_dapm_enable_pin(dapm, "IN2RN");
	104
	105	/* Other pins NC */
	106	snd_soc_dapm_nc_pin(dapm, "HPOUT2P");
	107	snd_soc_dapm_nc_pin(dapm, "HPOUT2N");
	108	snd_soc_dapm_nc_pin(dapm, "SPKOUTLN");
	109	snd_soc_dapm_nc_pin(dapm, "SPKOUTLP");
	110	snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
	111	snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
	112	snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
	113	snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
	114	snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
	115	snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
116	snd_soc_dapm_nc_pin(dapm, "IN1LP");
117	snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
118	snd_soc_dapm_nc_pin(dapm, "IN1RP");
119	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
120
96657d33 JB	121	return 0;
	122	}
	123
	124	static struct snd_soc_dai_link smdk_dai[] = {
	125	{ /* Primary DAI i/f */
	126	.name = "WM8994 AIF1",
	127	.stream_name = "Pri_Dai",
	128	.cpu_dai_name = "samsung-i2s.0",
	129	.codec_dai_name = "wm8994-aif1",
a08485d8	130	.platform_name = "samsung-i2s.0",
96657d33 JB	131	.codec_name = "wm8994-codec",
	132	.init = smdk_wm8994_init_paiftx,
	133	.ops = &smdk_ops,
	134	}, { /* Sec_Fifo Playback i/f */
	135	.name = "Sec_FIFO TX",
	136	.stream_name = "Sec_Dai",
	137	.cpu_dai_name = "samsung-i2s.4",
	138	.codec_dai_name = "wm8994-aif1",
a08485d8	139	.platform_name = "samsung-i2s.4",
96657d33 JB	140	.codec_name = "wm8994-codec",
	141	.ops = &smdk_ops,
	142	},
	143	};
	144
	145	static struct snd_soc_card smdk = {
	146	.name = "SMDK-I2S",
095d79dc	147	.owner = THIS_MODULE,
96657d33 JB	148	.dai_link = smdk_dai,
	149	.num_links = ARRAY_SIZE(smdk_dai),
	150	};
	151
96657d33	152
fdca21ad	153	static int smdk_audio_probe(struct platform_device *pdev)
96657d33 JB	154	{
96657d33 JB	155	int ret;
9c9acc91	156	struct snd_soc_card *card = &smdk;
96657d33	157
9c9acc91 SK	158	card->dev = &pdev->dev;
9c9acc91 SK	159	ret = snd_soc_register_card(card);
96657d33	160
96657d33	161	if (ret)
9c9acc91	162	dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret);
96657d33 JB	163
	164	return ret;
	165	}
96657d33	166
fdca21ad	167	static int smdk_audio_remove(struct platform_device *pdev)
96657d33	168	{
9c9acc91 SK	169	struct snd_soc_card *card = platform_get_drvdata(pdev);
	170
	171	snd_soc_unregister_card(card);
	172
	173	return 0;
96657d33	174	}
9c9acc91 SK	175
	176	static struct platform_driver smdk_audio_driver = {
	177	.driver = {
	178	.name = "smdk-audio",
	179	.owner = THIS_MODULE,
	180	},
	181	.probe = smdk_audio_probe,
fdca21ad	182	.remove = smdk_audio_remove,
9c9acc91 SK	183	};
	184
	185	module_platform_driver(smdk_audio_driver);
96657d33 JB	186
	187	MODULE_DESCRIPTION("ALSA SoC SMDK WM8994");
	188	MODULE_LICENSE("GPL");
9c9acc91	189	MODULE_ALIAS("platform:smdk-audio");