[deliverable/linux.git] / sound / soc / omap / sdp4430.c

/*
 * sdp4430.c  --  SoC audio for TI OMAP4430 SDP
 *
 * Author: Misael Lopez Cruz <x0052729@ti.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/mfd/twl6040.h>
#include <linux/module.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>

#include <asm/mach-types.h>
#include <plat/hardware.h>
#include <plat/mux.h>

#include "omap-dmic.h"
#include "omap-mcpdm.h"
#include "omap-pcm.h"
#include "../codecs/twl6040.h"

static int sdp4430_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;
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(rtd->codec);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = 38400000;
	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
		freq = 32768;
	else
		return -EINVAL;

	/* set the codec mclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
				SND_SOC_CLOCK_IN);
	if (ret) {
		printk(KERN_ERR "can't set codec system clock\n");
		return ret;
	}
	return ret;
}

static struct snd_soc_ops sdp4430_ops = {
	.hw_params = sdp4430_hw_params,
};

static int sdp4430_dmic_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;
	int ret = 0;

	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
				     19200000, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC cpu system clock\n");
		return ret;
	}
	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
				     SND_SOC_CLOCK_OUT);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC output clock\n");
		return ret;
	}
	return 0;
}

static struct snd_soc_ops sdp4430_dmic_ops = {
	.hw_params = sdp4430_dmic_hw_params,
};

/* Headset jack */
static struct snd_soc_jack hs_jack;

/*Headset jack detection DAPM pins */
static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headset Stereophone",
		.mask = SND_JACK_HEADPHONE,
	},
};

/* SDP4430 machine DAPM */
static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
	SND_SOC_DAPM_INPUT("FM Stereo In"),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* External Mics: MAINMIC, SUBMIC with bias*/
	{"MAINMIC", NULL, "Main Mic Bias"},
	{"SUBMIC", NULL, "Main Mic Bias"},
	{"Main Mic Bias", NULL, "Ext Mic"},

	/* External Speakers: HFL, HFR */
	{"Ext Spk", NULL, "HFL"},
	{"Ext Spk", NULL, "HFR"},

	/* Headset Mic: HSMIC with bias */
	{"HSMIC", NULL, "Headset Mic Bias"},
	{"Headset Mic Bias", NULL, "Headset Mic"},

	/* Headset Stereophone (Headphone): HSOL, HSOR */
	{"Headset Stereophone", NULL, "HSOL"},
	{"Headset Stereophone", NULL, "HSOR"},

	/* Earphone speaker */
	{"Earphone Spk", NULL, "EP"},

	/* Aux/FM Stereo In: AFML, AFMR */
	{"AFML", NULL, "FM Stereo In"},
	{"AFMR", NULL, "FM Stereo In"},
};

static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int ret, hs_trim;

	/*
	 * Configure McPDM offset cancellation based on the HSOTRIM value from
	 * twl6040.
	 */
	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
					TWL6040_HSF_TRIM_RIGHT(hs_trim));

	/* Headset jack detection */
	ret = snd_soc_jack_new(codec, "Headset Jack",
				SND_JACK_HEADSET, &hs_jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				hs_jack_pins);

	if (machine_is_omap_4430sdp())
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	else
		snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);

	return ret;
}

static const struct snd_soc_dapm_widget sdp4430_dmic_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

static const struct snd_soc_dapm_route dmic_audio_map[] = {
	{"DMic", NULL, "Digital Mic1 Bias"},
	{"Digital Mic1 Bias", NULL, "Digital Mic"},
};

static int sdp4430_dmic_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, sdp4430_dmic_dapm_widgets,
				ARRAY_SIZE(sdp4430_dmic_dapm_widgets));
	if (ret)
		return ret;

	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
				ARRAY_SIZE(dmic_audio_map));
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link sdp4430_dai[] = {
	{
		.name = "TWL6040",
		.stream_name = "TWL6040",
		.cpu_dai_name = "omap-mcpdm",
		.codec_dai_name = "twl6040-legacy",
		.platform_name = "omap-pcm-audio",
		.codec_name = "twl6040-codec",
		.init = sdp4430_twl6040_init,
		.ops = &sdp4430_ops,
	},
	{
		.name = "DMIC",
		.stream_name = "DMIC Capture",
		.cpu_dai_name = "omap-dmic",
		.codec_dai_name = "dmic-hifi",
		.platform_name = "omap-pcm-audio",
		.codec_name = "dmic-codec",
		.init = sdp4430_dmic_init,
		.ops = &sdp4430_dmic_ops,
	},
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_sdp4430 = {
	.name = "SDP4430",
	.dai_link = sdp4430_dai,
	.num_links = ARRAY_SIZE(sdp4430_dai),

	.dapm_widgets = sdp4430_twl6040_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static struct platform_device *sdp4430_snd_device;

static int __init sdp4430_soc_init(void)
{
	int ret;

	if (!machine_is_omap_4430sdp())
		return -ENODEV;
	printk(KERN_INFO "SDP4430 SoC init\n");

	sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
	if (!sdp4430_snd_device) {
		printk(KERN_ERR "Platform device allocation failed\n");
		return -ENOMEM;
	}

	platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);

	ret = platform_device_add(sdp4430_snd_device);
	if (ret)
		goto err;

	return 0;

err:
	printk(KERN_ERR "Unable to add platform device\n");
	platform_device_put(sdp4430_snd_device);
	return ret;
}
module_init(sdp4430_soc_init);

static void __exit sdp4430_soc_exit(void)
{
	platform_device_unregister(sdp4430_snd_device);
}
module_exit(sdp4430_soc_exit);

MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
MODULE_DESCRIPTION("ALSA SoC SDP4430");
MODULE_LICENSE("GPL");
Commit	Line	Data
5e64d6aa MLC	1	/*
	2	* sdp4430.c -- SoC audio for TI OMAP4430 SDP
	3	*
	4	* Author: Misael Lopez Cruz <x0052729@ti.com>
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
	22	#include <linux/clk.h>
	23	#include <linux/platform_device.h>
fb34d3d5	24	#include <linux/mfd/twl6040.h>
da155d5b	25	#include <linux/module.h>
fb34d3d5	26
5e64d6aa MLC	27	#include <sound/core.h>
	28	#include <sound/pcm.h>
	29	#include <sound/soc.h>
96dc227c	30	#include <sound/jack.h>
5e64d6aa MLC	31
	32	#include <asm/mach-types.h>
	33	#include <plat/hardware.h>
	34	#include <plat/mux.h>
	35
6524c8e3	36	#include "omap-dmic.h"
f5f9d7bf	37	#include "omap-mcpdm.h"
5e64d6aa MLC	38	#include "omap-pcm.h"
	39	#include "../codecs/twl6040.h"
	40
5e64d6aa MLC	41	static int sdp4430_hw_params(struct snd_pcm_substream *substream,
	42	struct snd_pcm_hw_params *params)
	43	{
	44	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	45	struct snd_soc_dai *codec_dai = rtd->codec_dai;
5e64d6aa MLC	46	int clk_id, freq;
	47	int ret;
	48
af958c72 PU	49	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	50	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
5e64d6aa	51	freq = 38400000;
af958c72	52	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	53	freq = 32768;
af958c72 PU	54	else
af958c72 PU	55	return -EINVAL;
5e64d6aa MLC	56
	57	/* set the codec mclk */
	58	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	59	SND_SOC_CLOCK_IN);
	60	if (ret) {
	61	printk(KERN_ERR "can't set codec system clock\n");
	62	return ret;
	63	}
f0fba2ad	64	return ret;
5e64d6aa MLC	65	}
	66
	67	static struct snd_soc_ops sdp4430_ops = {
	68	.hw_params = sdp4430_hw_params,
	69	};
	70
6524c8e3 PU	71	static int sdp4430_dmic_hw_params(struct snd_pcm_substream *substream,
	72	struct snd_pcm_hw_params *params)
	73	{
	74	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	75	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	76	int ret = 0;
	77
	78	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	79	19200000, SND_SOC_CLOCK_IN);
	80	if (ret < 0) {
	81	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	82	return ret;
	83	}
	84	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	85	SND_SOC_CLOCK_OUT);
	86	if (ret < 0) {
	87	printk(KERN_ERR "can't set DMIC output clock\n");
	88	return ret;
	89	}
	90	return 0;
	91	}
	92
	93	static struct snd_soc_ops sdp4430_dmic_ops = {
	94	.hw_params = sdp4430_dmic_hw_params,
	95	};
	96
96dc227c JEC	97	/* Headset jack */
	98	static struct snd_soc_jack hs_jack;
	99
	100	/Headset jack detection DAPM pins /
	101	static struct snd_soc_jack_pin hs_jack_pins[] = {
	102	{
	103	.pin = "Headset Mic",
	104	.mask = SND_JACK_MICROPHONE,
	105	},
	106	{
	107	.pin = "Headset Stereophone",
	108	.mask = SND_JACK_HEADPHONE,
	109	},
	110	};
	111
5e64d6aa MLC	112	/* SDP4430 machine DAPM */
	113	static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = {
	114	SND_SOC_DAPM_MIC("Ext Mic", NULL),
	115	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	116	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	117	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	118	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
5382ffbb	119	SND_SOC_DAPM_INPUT("FM Stereo In"),
5e64d6aa MLC	120	};
	121
	122	static const struct snd_soc_dapm_route audio_map[] = {
	123	/* External Mics: MAINMIC, SUBMIC with bias*/
	124	{"MAINMIC", NULL, "Main Mic Bias"},
	125	{"SUBMIC", NULL, "Main Mic Bias"},
	126	{"Main Mic Bias", NULL, "Ext Mic"},
	127
	128	/* External Speakers: HFL, HFR */
	129	{"Ext Spk", NULL, "HFL"},
	130	{"Ext Spk", NULL, "HFR"},
	131
	132	/* Headset Mic: HSMIC with bias */
	133	{"HSMIC", NULL, "Headset Mic Bias"},
	134	{"Headset Mic Bias", NULL, "Headset Mic"},
	135
	136	/* Headset Stereophone (Headphone): HSOL, HSOR */
	137	{"Headset Stereophone", NULL, "HSOL"},
	138	{"Headset Stereophone", NULL, "HSOR"},
7254e2bd JEC	139
	140	/* Earphone speaker */
	141	{"Earphone Spk", NULL, "EP"},
23ac3b61 JEC	142
23ac3b61 JEC	143	/* Aux/FM Stereo In: AFML, AFMR */
5382ffbb UP	144	{"AFML", NULL, "FM Stereo In"},
5382ffbb UP	145	{"AFMR", NULL, "FM Stereo In"},
5e64d6aa MLC	146	};
5e64d6aa MLC	147
f0fba2ad	148	static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	149	{
f0fba2ad	150	struct snd_soc_codec *codec = rtd->codec;
7bf3d92c	151	int ret, hs_trim;
5e64d6aa	152
7bf3d92c PU	153	/*
	154	* Configure McPDM offset cancellation based on the HSOTRIM value from
	155	* twl6040.
	156	*/
	157	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	158	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	159	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	160
96dc227c JEC	161	/* Headset jack detection */
	162	ret = snd_soc_jack_new(codec, "Headset Jack",
	163	SND_JACK_HEADSET, &hs_jack);
	164	if (ret)
	165	return ret;
	166
	167	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	168	hs_jack_pins);
	169
	170	if (machine_is_omap_4430sdp())
	171	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	172	else
	173	snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
5e64d6aa MLC	174
	175	return ret;
	176	}
	177
6524c8e3 PU	178	static const struct snd_soc_dapm_widget sdp4430_dmic_dapm_widgets[] = {
	179	SND_SOC_DAPM_MIC("Digital Mic", NULL),
	180	};
	181
	182	static const struct snd_soc_dapm_route dmic_audio_map[] = {
	183	{"DMic", NULL, "Digital Mic1 Bias"},
	184	{"Digital Mic1 Bias", NULL, "Digital Mic"},
	185	};
	186
	187	static int sdp4430_dmic_init(struct snd_soc_pcm_runtime *rtd)
	188	{
	189	struct snd_soc_codec *codec = rtd->codec;
	190	struct snd_soc_dapm_context *dapm = &codec->dapm;
	191	int ret;
	192
	193	ret = snd_soc_dapm_new_controls(dapm, sdp4430_dmic_dapm_widgets,
	194	ARRAY_SIZE(sdp4430_dmic_dapm_widgets));
	195	if (ret)
	196	return ret;
	197
	198	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	199	ARRAY_SIZE(dmic_audio_map));
	200	}
	201
5e64d6aa	202	/* Digital audio interface glue - connects codec <--> CPU */
6524c8e3 PU	203	static struct snd_soc_dai_link sdp4430_dai[] = {
	204	{
	205	.name = "TWL6040",
	206	.stream_name = "TWL6040",
	207	.cpu_dai_name = "omap-mcpdm",
	208	.codec_dai_name = "twl6040-legacy",
	209	.platform_name = "omap-pcm-audio",
	210	.codec_name = "twl6040-codec",
	211	.init = sdp4430_twl6040_init,
	212	.ops = &sdp4430_ops,
	213	},
	214	{
	215	.name = "DMIC",
	216	.stream_name = "DMIC Capture",
	217	.cpu_dai_name = "omap-dmic",
	218	.codec_dai_name = "dmic-hifi",
	219	.platform_name = "omap-pcm-audio",
	220	.codec_name = "dmic-codec",
	221	.init = sdp4430_dmic_init,
	222	.ops = &sdp4430_dmic_ops,
	223	},
5e64d6aa MLC	224	};
	225
	226	/* Audio machine driver */
	227	static struct snd_soc_card snd_soc_sdp4430 = {
	228	.name = "SDP4430",
6524c8e3 PU	229	.dai_link = sdp4430_dai,
6524c8e3 PU	230	.num_links = ARRAY_SIZE(sdp4430_dai),
fc8e5b4c PU	231
	232	.dapm_widgets = sdp4430_twl6040_dapm_widgets,
	233	.num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets),
	234	.dapm_routes = audio_map,
	235	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	236	};
5e64d6aa MLC	237
5e64d6aa MLC	238	static struct platform_device *sdp4430_snd_device;
	239
	240	static int __init sdp4430_soc_init(void)
	241	{
	242	int ret;
	243
ec588ae6	244	if (!machine_is_omap_4430sdp())
5e64d6aa	245	return -ENODEV;
5e64d6aa MLC	246	printk(KERN_INFO "SDP4430 SoC init\n");
	247
	248	sdp4430_snd_device = platform_device_alloc("soc-audio", -1);
	249	if (!sdp4430_snd_device) {
	250	printk(KERN_ERR "Platform device allocation failed\n");
	251	return -ENOMEM;
	252	}
	253
f0fba2ad	254	platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430);
5e64d6aa MLC	255
	256	ret = platform_device_add(sdp4430_snd_device);
	257	if (ret)
	258	goto err;
	259
5e64d6aa MLC	260	return 0;
	261
	262	err:
	263	printk(KERN_ERR "Unable to add platform device\n");
	264	platform_device_put(sdp4430_snd_device);
	265	return ret;
	266	}
	267	module_init(sdp4430_soc_init);
	268
	269	static void __exit sdp4430_soc_exit(void)
	270	{
	271	platform_device_unregister(sdp4430_snd_device);
	272	}
	273	module_exit(sdp4430_soc_exit);
	274
	275	MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
	276	MODULE_DESCRIPTION("ALSA SoC SDP4430");
	277	MODULE_LICENSE("GPL");
	278