[mirror_ubuntu-zesty-kernel.git] / sound / soc / rockchip / rockchip_max98090.c

/*
 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
 *
 * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
 *
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>

#include "rockchip_i2s.h"
#include "../codecs/ts3a227e.h"

#define DRV_NAME "rockchip-snd-max98090"

static struct snd_soc_jack headset_jack;

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

};

static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Int Mic", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
};

static const struct snd_soc_dapm_route rk_audio_map[] = {
	{"IN34", NULL, "Headset Mic"},
	{"IN34", NULL, "MICBIAS"},
	{"Headset Mic", NULL, "MICBIAS"},
	{"DMICL", NULL, "Int Mic"},
	{"Headphone", NULL, "HPL"},
	{"Headphone", NULL, "HPR"},
	{"Speaker", NULL, "SPKL"},
	{"Speaker", NULL, "SPKR"},
};

static const struct snd_kcontrol_new rk_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Speaker"),
};

static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params)
{
	int ret = 0;
	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;
	int mclk;

	switch (params_rate(params)) {
	case 8000:
	case 16000:
	case 24000:
	case 32000:
	case 48000:
	case 64000:
	case 96000:
		mclk = 12288000;
		break;
	case 11025:
	case 22050:
	case 44100:
	case 88200:
		mclk = 11289600;
		break;
	default:
		return -EINVAL;
	}

	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
				     SND_SOC_CLOCK_OUT);
	if (ret < 0) {
		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
		return ret;
	}

	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
				     SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
		return ret;
	}

	return ret;
}

static const struct snd_soc_ops rk_aif1_ops = {
	.hw_params = rk_aif1_hw_params,
};

static struct snd_soc_dai_link rk_dailink = {
	.name = "max98090",
	.stream_name = "Audio",
	.codec_dai_name = "HiFi",
	.ops = &rk_aif1_ops,
	/* set max98090 as slave */
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
		SND_SOC_DAIFMT_CBS_CFS,
};

static int rk_98090_headset_init(struct snd_soc_component *component);

static struct snd_soc_aux_dev rk_98090_headset_dev = {
	.name = "Headset Chip",
	.init = rk_98090_headset_init,
};

static struct snd_soc_card snd_soc_card_rk = {
	.name = "ROCKCHIP-I2S",
	.owner = THIS_MODULE,
	.dai_link = &rk_dailink,
	.num_links = 1,
	.aux_dev = &rk_98090_headset_dev,
	.num_aux_devs = 1,
	.dapm_widgets = rk_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
	.dapm_routes = rk_audio_map,
	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
	.controls = rk_mc_controls,
	.num_controls = ARRAY_SIZE(rk_mc_controls),
};

static int rk_98090_headset_init(struct snd_soc_component *component)
{
	int ret;

	/* Enable Headset and 4 Buttons Jack detection */
	ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
				    SND_JACK_HEADSET |
				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
				    &headset_jack,
				    headset_jack_pins,
				    ARRAY_SIZE(headset_jack_pins));
	if (ret)
		return ret;

	ret = ts3a227e_enable_jack_detect(component, &headset_jack);

	return ret;
}

static int snd_rk_mc_probe(struct platform_device *pdev)
{
	int ret = 0;
	struct snd_soc_card *card = &snd_soc_card_rk;
	struct device_node *np = pdev->dev.of_node;

	/* register the soc card */
	card->dev = &pdev->dev;

	rk_dailink.codec_of_node = of_parse_phandle(np,
			"rockchip,audio-codec", 0);
	if (!rk_dailink.codec_of_node) {
		dev_err(&pdev->dev,
			"Property 'rockchip,audio-codec' missing or invalid\n");
		return -EINVAL;
	}

	rk_dailink.cpu_of_node = of_parse_phandle(np,
			"rockchip,i2s-controller", 0);
	if (!rk_dailink.cpu_of_node) {
		dev_err(&pdev->dev,
			"Property 'rockchip,i2s-controller' missing or invalid\n");
		return -EINVAL;
	}

	rk_dailink.platform_of_node = rk_dailink.cpu_of_node;

	rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
			"rockchip,headset-codec", 0);
	if (!rk_98090_headset_dev.codec_of_node) {
		dev_err(&pdev->dev,
			"Property 'rockchip,headset-codec' missing/invalid\n");
		return -EINVAL;
	}

	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
	if (ret) {
		dev_err(&pdev->dev,
			"Soc parse card name failed %d\n", ret);
		return ret;
	}

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret) {
		dev_err(&pdev->dev,
			"Soc register card failed %d\n", ret);
		return ret;
	}

	return ret;
}

static const struct of_device_id rockchip_max98090_of_match[] = {
	{ .compatible = "rockchip,rockchip-audio-max98090", },
	{},
};

MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);

static struct platform_driver snd_rk_mc_driver = {
	.probe = snd_rk_mc_probe,
	.driver = {
		.name = DRV_NAME,
		.pm = &snd_soc_pm_ops,
		.of_match_table = rockchip_max98090_of_match,
	},
};

module_platform_driver(snd_rk_mc_driver);

MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRV_NAME);
Commit	Line	Data
49bdb044	1	/*
	2	* Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
	3	*
	4	* Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms and conditions 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 it will be useful, but WITHOUT
	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	13	* more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	17	*
	18	*/
	19
	20	#include <linux/module.h>
	21	#include <linux/platform_device.h>
	22	#include <linux/slab.h>
	23	#include <linux/gpio.h>
	24	#include <linux/of_gpio.h>
	25	#include <sound/core.h>
	26	#include <sound/jack.h>
	27	#include <sound/pcm.h>
	28	#include <sound/pcm_params.h>
	29	#include <sound/soc.h>
	30
	31	#include "rockchip_i2s.h"
	32	#include "../codecs/ts3a227e.h"
	33
	34	#define DRV_NAME "rockchip-snd-max98090"
	35
	36	static struct snd_soc_jack headset_jack;
92110093 EBS	37
92110093 EBS	38	/* Headset jack detection DAPM pins */
49bdb044	39	static struct snd_soc_jack_pin headset_jack_pins[] = {
49bdb044	40	{
92110093 EBS	41	.pin = "Headphone",
	42	.mask = SND_JACK_HEADPHONE,
	43	},
	44	{
	45	.pin = "Headset Mic",
	46	.mask = SND_JACK_MICROPHONE,
49bdb044	47	},
92110093	48
49bdb044	49	};
	50
	51	static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
	52	SND_SOC_DAPM_HP("Headphone", NULL),
	53	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	54	SND_SOC_DAPM_MIC("Int Mic", NULL),
	55	SND_SOC_DAPM_SPK("Speaker", NULL),
	56	};
	57
	58	static const struct snd_soc_dapm_route rk_audio_map[] = {
	59	{"IN34", NULL, "Headset Mic"},
	60	{"IN34", NULL, "MICBIAS"},
ec0d23b2	61	{"Headset Mic", NULL, "MICBIAS"},
49bdb044	62	{"DMICL", NULL, "Int Mic"},
	63	{"Headphone", NULL, "HPL"},
	64	{"Headphone", NULL, "HPR"},
	65	{"Speaker", NULL, "SPKL"},
	66	{"Speaker", NULL, "SPKR"},
	67	};
	68
	69	static const struct snd_kcontrol_new rk_mc_controls[] = {
	70	SOC_DAPM_PIN_SWITCH("Headphone"),
	71	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	72	SOC_DAPM_PIN_SWITCH("Int Mic"),
	73	SOC_DAPM_PIN_SWITCH("Speaker"),
	74	};
	75
	76	static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
	77	struct snd_pcm_hw_params *params)
	78	{
	79	int ret = 0;
	80	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	81	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	82	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	83	int mclk;
	84
	85	switch (params_rate(params)) {
	86	case 8000:
	87	case 16000:
a4ebd380 CW	88	case 24000:
a4ebd380 CW	89	case 32000:
49bdb044	90	case 48000:
a4ebd380	91	case 64000:
49bdb044	92	case 96000:
	93	mclk = 12288000;
	94	break;
a4ebd380 CW	95	case 11025:
a4ebd380 CW	96	case 22050:
49bdb044	97	case 44100:
a4ebd380	98	case 88200:
49bdb044	99	mclk = 11289600;
	100	break;
	101	default:
	102	return -EINVAL;
	103	}
	104
	105	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
	106	SND_SOC_CLOCK_OUT);
	107	if (ret < 0) {
	108	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	109	return ret;
	110	}
	111
	112	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	113	SND_SOC_CLOCK_IN);
	114	if (ret < 0) {
	115	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	116	return ret;
	117	}
	118
	119	return ret;
	120	}
	121
705e9994	122	static const struct snd_soc_ops rk_aif1_ops = {
49bdb044	123	.hw_params = rk_aif1_hw_params,
	124	};
	125
49bdb044	126	static struct snd_soc_dai_link rk_dailink = {
	127	.name = "max98090",
	128	.stream_name = "Audio",
	129	.codec_dai_name = "HiFi",
49bdb044	130	.ops = &rk_aif1_ops,
	131	/* set max98090 as slave */
	132	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	133	SND_SOC_DAIFMT_CBS_CFS,
	134	};
	135
5f224493 EBS	136	static int rk_98090_headset_init(struct snd_soc_component *component);
	137
	138	static struct snd_soc_aux_dev rk_98090_headset_dev = {
	139	.name = "Headset Chip",
	140	.init = rk_98090_headset_init,
	141	};
	142
49bdb044	143	static struct snd_soc_card snd_soc_card_rk = {
49bdb044	144	.name = "ROCKCHIP-I2S",
54d8697f	145	.owner = THIS_MODULE,
49bdb044	146	.dai_link = &rk_dailink,
	147	.num_links = 1,
	148	.aux_dev = &rk_98090_headset_dev,
	149	.num_aux_devs = 1,
	150	.dapm_widgets = rk_dapm_widgets,
	151	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
	152	.dapm_routes = rk_audio_map,
	153	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
	154	.controls = rk_mc_controls,
	155	.num_controls = ARRAY_SIZE(rk_mc_controls),
	156	};
	157
5f224493 EBS	158	static int rk_98090_headset_init(struct snd_soc_component *component)
	159	{
	160	int ret;
	161
	162	/* Enable Headset and 4 Buttons Jack detection */
	163	ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
	164	SND_JACK_HEADSET \|
	165	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	166	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	167	&headset_jack,
	168	headset_jack_pins,
	169	ARRAY_SIZE(headset_jack_pins));
	170	if (ret)
	171	return ret;
	172
	173	ret = ts3a227e_enable_jack_detect(component, &headset_jack);
	174
	175	return ret;
	176	}
	177
49bdb044	178	static int snd_rk_mc_probe(struct platform_device *pdev)
	179	{
	180	int ret = 0;
	181	struct snd_soc_card *card = &snd_soc_card_rk;
	182	struct device_node *np = pdev->dev.of_node;
	183
	184	/* register the soc card */
	185	card->dev = &pdev->dev;
	186
	187	rk_dailink.codec_of_node = of_parse_phandle(np,
	188	"rockchip,audio-codec", 0);
	189	if (!rk_dailink.codec_of_node) {
	190	dev_err(&pdev->dev,
	191	"Property 'rockchip,audio-codec' missing or invalid\n");
	192	return -EINVAL;
	193	}
	194
	195	rk_dailink.cpu_of_node = of_parse_phandle(np,
	196	"rockchip,i2s-controller", 0);
	197	if (!rk_dailink.cpu_of_node) {
	198	dev_err(&pdev->dev,
	199	"Property 'rockchip,i2s-controller' missing or invalid\n");
	200	return -EINVAL;
	201	}
	202
	203	rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
	204
	205	rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
	206	"rockchip,headset-codec", 0);
	207	if (!rk_98090_headset_dev.codec_of_node) {
	208	dev_err(&pdev->dev,
	209	"Property 'rockchip,headset-codec' missing/invalid\n");
	210	return -EINVAL;
	211	}
	212
	213	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
	214	if (ret) {
	215	dev_err(&pdev->dev,
	216	"Soc parse card name failed %d\n", ret);
	217	return ret;
	218	}
	219
	220	ret = devm_snd_soc_register_card(&pdev->dev, card);
	221	if (ret) {
	222	dev_err(&pdev->dev,
	223	"Soc register card failed %d\n", ret);
	224	return ret;
	225	}
	226
	227	return ret;
	228	}
	229
	230	static const struct of_device_id rockchip_max98090_of_match[] = {
	231	{ .compatible = "rockchip,rockchip-audio-max98090", },
	232	{},
	233	};
	234
	235	MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
	236
	237	static struct platform_driver snd_rk_mc_driver = {
	238	.probe = snd_rk_mc_probe,
	239	.driver = {
	240	.name = DRV_NAME,
49bdb044	241	.pm = &snd_soc_pm_ops,
	242	.of_match_table = rockchip_max98090_of_match,
	243	},
	244	};
	245
	246	module_platform_driver(snd_rk_mc_driver);
	247
	248	MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
	249	MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
	250	MODULE_LICENSE("GPL v2");
	251	MODULE_ALIAS("platform:" DRV_NAME);