[mirror_ubuntu-bionic-kernel.git] / sound / soc / fsl / eukrea-tlv320.c

/*
 * eukrea-tlv320.c  --  SoC audio for eukrea_cpuimxXX in I2S mode
 *
 * Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
 *
 * based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
 * which is Copyright 2009 Simtec Electronics
 * and on sound/soc/imx/phycore-ac97.c which is
 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
 *
 *  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 <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>

#include "../codecs/tlv320aic23.h"
#include "imx-ssi.h"
#include "imx-audmux.h"

#define CODEC_CLOCK 12000000

static int eukrea_tlv320_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 *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	int 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) {
		pr_err("%s: failed set cpu dai format\n", __func__);
		return ret;
	}

	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
				  SND_SOC_DAIFMT_NB_NF |
				  SND_SOC_DAIFMT_CBM_CFM);
	if (ret) {
		pr_err("%s: failed set codec dai format\n", __func__);
		return ret;
	}

	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
				     CODEC_CLOCK, SND_SOC_CLOCK_OUT);
	if (ret) {
		pr_err("%s: failed setting codec sysclk\n", __func__);
		return ret;
	}
	snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);

	ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
				SND_SOC_CLOCK_IN);
	if (ret) {
		pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
		return ret;
	}

	return 0;
}

static struct snd_soc_ops eukrea_tlv320_snd_ops = {
	.hw_params	= eukrea_tlv320_hw_params,
};

static struct snd_soc_dai_link eukrea_tlv320_dai = {
	.name		= "tlv320aic23",
	.stream_name	= "TLV320AIC23",
	.codec_dai_name	= "tlv320aic23-hifi",
	.platform_name	= "imx-fiq-pcm-audio.0",
	.codec_name	= "tlv320aic23-codec.0-001a",
	.cpu_dai_name	= "imx-ssi.0",
	.ops		= &eukrea_tlv320_snd_ops,
};

static struct snd_soc_card eukrea_tlv320 = {
	.name		= "cpuimx-audio",
	.owner		= THIS_MODULE,
	.dai_link	= &eukrea_tlv320_dai,
	.num_links	= 1,
};

static int __devinit eukrea_tlv320_probe(struct platform_device *pdev)
{
	int ret;
	int int_port = 0, ext_port;

	if (machine_is_eukrea_cpuimx27()) {
		imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
			IMX_AUDMUX_V1_PCR_SYN |
			IMX_AUDMUX_V1_PCR_TFSDIR |
			IMX_AUDMUX_V1_PCR_TCLKDIR |
			IMX_AUDMUX_V1_PCR_RFSDIR |
			IMX_AUDMUX_V1_PCR_RCLKDIR |
			IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
			IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
		);
		imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
			IMX_AUDMUX_V1_PCR_SYN |
			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
		);
	} else if (machine_is_eukrea_cpuimx25sd() ||
		   machine_is_eukrea_cpuimx35sd() ||
		   machine_is_eukrea_cpuimx51sd()) {
		ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3;
		imx_audmux_v2_configure_port(int_port,
			IMX_AUDMUX_V2_PTCR_SYN |
			IMX_AUDMUX_V2_PTCR_TFSDIR |
			IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
			IMX_AUDMUX_V2_PTCR_TCLKDIR |
			IMX_AUDMUX_V2_PTCR_TCSEL(ext_port),
			IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)
		);
		imx_audmux_v2_configure_port(ext_port,
			IMX_AUDMUX_V2_PTCR_SYN,
			IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
		);
	} else {
		/* return happy. We might run on a totally different machine */
		return 0;
	}

	eukrea_tlv320.dev = &pdev->dev;
	ret = snd_soc_register_card(&eukrea_tlv320);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);

	return ret;
}

static int __devexit eukrea_tlv320_remove(struct platform_device *pdev)
{
	snd_soc_unregister_card(&eukrea_tlv320);

	return 0;
}

static struct platform_driver eukrea_tlv320_driver = {
	.driver = {
		.name = "eukrea_tlv320",
		.owner = THIS_MODULE,
	},
	.probe = eukrea_tlv320_probe,
	.remove = __devexit_p(eukrea_tlv320_remove),};

module_platform_driver(eukrea_tlv320_driver);

MODULE_AUTHOR("Eric Bénard <eric@eukrea.com>");
MODULE_DESCRIPTION("CPUIMX ALSA SoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:eukrea_tlv320");
Commit	Line	Data
91157888 EB	1	/*
	2	* eukrea-tlv320.c -- SoC audio for eukrea_cpuimxXX in I2S mode
	3	*
	4	* Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
	5	*
	6	* based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
	7	* which is Copyright 2009 Simtec Electronics
	8	* and on sound/soc/imx/phycore-ac97.c which is
	9	* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
a23dc694	10	*
91157888 EB	11	* This program is free software; you can redistribute it and/or modify it
	12	* under the terms of the GNU General Public License as published by the
	13	* Free Software Foundation; either version 2 of the License, or (at your
	14	* option) any later version.
	15	*
	16	*/
	17
	18	#include <linux/module.h>
	19	#include <linux/moduleparam.h>
	20	#include <linux/device.h>
	21	#include <linux/i2c.h>
	22	#include <sound/core.h>
	23	#include <sound/pcm.h>
	24	#include <sound/soc.h>
91157888 EB	25	#include <asm/mach-types.h>
	26
	27	#include "../codecs/tlv320aic23.h"
	28	#include "imx-ssi.h"
3c77c29c	29	#include "imx-audmux.h"
91157888 EB	30
	31	#define CODEC_CLOCK 12000000
	32
	33	static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream,
	34	struct snd_pcm_hw_params *params)
	35	{
	36	struct snd_soc_pcm_runtime *rtd = substream->private_data;
add330ec SH	37	struct snd_soc_dai *codec_dai = rtd->codec_dai;
add330ec SH	38	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
91157888 EB	39	int ret;
	40
	41	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
	42	SND_SOC_DAIFMT_NB_NF \|
	43	SND_SOC_DAIFMT_CBM_CFM);
	44	if (ret) {
	45	pr_err("%s: failed set cpu dai format\n", __func__);
	46	return ret;
	47	}
	48
	49	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
	50	SND_SOC_DAIFMT_NB_NF \|
	51	SND_SOC_DAIFMT_CBM_CFM);
	52	if (ret) {
	53	pr_err("%s: failed set codec dai format\n", __func__);
	54	return ret;
	55	}
	56
	57	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
	58	CODEC_CLOCK, SND_SOC_CLOCK_OUT);
	59	if (ret) {
	60	pr_err("%s: failed setting codec sysclk\n", __func__);
	61	return ret;
	62	}
43793207	63	snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
91157888 EB	64
	65	ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
	66	SND_SOC_CLOCK_IN);
	67	if (ret) {
	68	pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
	69	return ret;
	70	}
	71
	72	return 0;
	73	}
	74
	75	static struct snd_soc_ops eukrea_tlv320_snd_ops = {
	76	.hw_params = eukrea_tlv320_hw_params,
	77	};
	78
	79	static struct snd_soc_dai_link eukrea_tlv320_dai = {
	80	.name = "tlv320aic23",
	81	.stream_name = "TLV320AIC23",
add330ec	82	.codec_dai_name = "tlv320aic23-hifi",
43c63188	83	.platform_name = "imx-fiq-pcm-audio.0",
f0fba2ad	84	.codec_name = "tlv320aic23-codec.0-001a",
add330ec	85	.cpu_dai_name = "imx-ssi.0",
91157888 EB	86	.ops = &eukrea_tlv320_snd_ops,
	87	};
	88
	89	static struct snd_soc_card eukrea_tlv320 = {
	90	.name = "cpuimx-audio",
6aff8ccb	91	.owner = THIS_MODULE,
91157888 EB	92	.dai_link = &eukrea_tlv320_dai,
	93	.num_links = 1,
	94	};
	95
da75c924	96	static int __devinit eukrea_tlv320_probe(struct platform_device *pdev)
91157888 EB	97	{
91157888 EB	98	int ret;
60282ede SG	99	int int_port = 0, ext_port;
	100
	101	if (machine_is_eukrea_cpuimx27()) {
af4872fb SG	102	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
	103	IMX_AUDMUX_V1_PCR_SYN \|
	104	IMX_AUDMUX_V1_PCR_TFSDIR \|
	105	IMX_AUDMUX_V1_PCR_TCLKDIR \|
	106	IMX_AUDMUX_V1_PCR_RFSDIR \|
	107	IMX_AUDMUX_V1_PCR_RCLKDIR \|
	108	IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) \|
	109	IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) \|
	110	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
60282ede	111	);
af4872fb SG	112	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
	113	IMX_AUDMUX_V1_PCR_SYN \|
	114	IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
60282ede SG	115	);
	116	} else if (machine_is_eukrea_cpuimx25sd() \|\|
	117	machine_is_eukrea_cpuimx35sd() \|\|
	118	machine_is_eukrea_cpuimx51sd()) {
	119	ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3;
af4872fb SG	120	imx_audmux_v2_configure_port(int_port,
	121	IMX_AUDMUX_V2_PTCR_SYN \|
	122	IMX_AUDMUX_V2_PTCR_TFSDIR \|
	123	IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) \|
	124	IMX_AUDMUX_V2_PTCR_TCLKDIR \|
	125	IMX_AUDMUX_V2_PTCR_TCSEL(ext_port),
	126	IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)
60282ede	127	);
af4872fb SG	128	imx_audmux_v2_configure_port(ext_port,
	129	IMX_AUDMUX_V2_PTCR_SYN,
	130	IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
60282ede SG	131	);
60282ede SG	132	} else {
91157888 EB	133	/* return happy. We might run on a totally different machine */
91157888 EB	134	return 0;
60282ede	135	}
91157888	136
da75c924 FE	137	eukrea_tlv320.dev = &pdev->dev;
	138	ret = snd_soc_register_card(&eukrea_tlv320);
	139	if (ret)
	140	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
91157888 EB	141
	142	return ret;
	143	}
	144
da75c924	145	static int __devexit eukrea_tlv320_remove(struct platform_device *pdev)
91157888	146	{
da75c924 FE	147	snd_soc_unregister_card(&eukrea_tlv320);
	148
	149	return 0;
91157888 EB	150	}
91157888 EB	151
da75c924 FE	152	static struct platform_driver eukrea_tlv320_driver = {
	153	.driver = {
	154	.name = "eukrea_tlv320",
	155	.owner = THIS_MODULE,
	156	},
	157	.probe = eukrea_tlv320_probe,
	158	.remove = __devexit_p(eukrea_tlv320_remove),};
	159
	160	module_platform_driver(eukrea_tlv320_driver);
91157888 EB	161
	162	MODULE_AUTHOR("Eric Bénard <eric@eukrea.com>");
	163	MODULE_DESCRIPTION("CPUIMX ALSA SoC driver");
	164	MODULE_LICENSE("GPL");
da75c924	165	MODULE_ALIAS("platform:eukrea_tlv320");