[mirror_ubuntu-artful-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;
static struct snd_soc_jack_pin headset_jack_pins[] = {
	{
		.pin = "Headset Jack",
		.mask = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
			SND_JACK_BTN_0 | SND_JACK_BTN_1 |
			SND_JACK_BTN_2 | SND_JACK_BTN_3,
	},
};

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 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;
	37	static struct snd_soc_jack_pin headset_jack_pins[] = {
	38	{
	39	.pin = "Headset Jack",
	40	.mask = SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
	41	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	42	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	43	},
	44	};
	45
	46	static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
	47	SND_SOC_DAPM_HP("Headphone", NULL),
	48	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	49	SND_SOC_DAPM_MIC("Int Mic", NULL),
	50	SND_SOC_DAPM_SPK("Speaker", NULL),
	51	};
	52
	53	static const struct snd_soc_dapm_route rk_audio_map[] = {
	54	{"IN34", NULL, "Headset Mic"},
	55	{"IN34", NULL, "MICBIAS"},
ec0d23b2	56	{"Headset Mic", NULL, "MICBIAS"},
49bdb044	57	{"DMICL", NULL, "Int Mic"},
	58	{"Headphone", NULL, "HPL"},
	59	{"Headphone", NULL, "HPR"},
	60	{"Speaker", NULL, "SPKL"},
	61	{"Speaker", NULL, "SPKR"},
	62	};
	63
	64	static const struct snd_kcontrol_new rk_mc_controls[] = {
	65	SOC_DAPM_PIN_SWITCH("Headphone"),
	66	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	67	SOC_DAPM_PIN_SWITCH("Int Mic"),
	68	SOC_DAPM_PIN_SWITCH("Speaker"),
	69	};
	70
	71	static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
	72	struct snd_pcm_hw_params *params)
	73	{
	74	int ret = 0;
	75	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	76	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	77	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	78	int mclk;
	79
	80	switch (params_rate(params)) {
	81	case 8000:
	82	case 16000:
a4ebd380 CW	83	case 24000:
a4ebd380 CW	84	case 32000:
49bdb044	85	case 48000:
a4ebd380	86	case 64000:
49bdb044	87	case 96000:
	88	mclk = 12288000;
	89	break;
a4ebd380 CW	90	case 11025:
a4ebd380 CW	91	case 22050:
49bdb044	92	case 44100:
a4ebd380	93	case 88200:
49bdb044	94	mclk = 11289600;
	95	break;
	96	default:
	97	return -EINVAL;
	98	}
	99
	100	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
	101	SND_SOC_CLOCK_OUT);
	102	if (ret < 0) {
	103	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	104	return ret;
	105	}
	106
	107	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	108	SND_SOC_CLOCK_IN);
	109	if (ret < 0) {
	110	dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
	111	return ret;
	112	}
	113
	114	return ret;
	115	}
	116
49bdb044	117	static struct snd_soc_ops rk_aif1_ops = {
	118	.hw_params = rk_aif1_hw_params,
	119	};
	120
49bdb044	121	static struct snd_soc_dai_link rk_dailink = {
	122	.name = "max98090",
	123	.stream_name = "Audio",
	124	.codec_dai_name = "HiFi",
49bdb044	125	.ops = &rk_aif1_ops,
	126	/* set max98090 as slave */
	127	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	128	SND_SOC_DAIFMT_CBS_CFS,
	129	};
	130
5f224493 EBS	131	static int rk_98090_headset_init(struct snd_soc_component *component);
	132
	133	static struct snd_soc_aux_dev rk_98090_headset_dev = {
	134	.name = "Headset Chip",
	135	.init = rk_98090_headset_init,
	136	};
	137
49bdb044	138	static struct snd_soc_card snd_soc_card_rk = {
49bdb044	139	.name = "ROCKCHIP-I2S",
54d8697f	140	.owner = THIS_MODULE,
49bdb044	141	.dai_link = &rk_dailink,
	142	.num_links = 1,
	143	.aux_dev = &rk_98090_headset_dev,
	144	.num_aux_devs = 1,
	145	.dapm_widgets = rk_dapm_widgets,
	146	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
	147	.dapm_routes = rk_audio_map,
	148	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
	149	.controls = rk_mc_controls,
	150	.num_controls = ARRAY_SIZE(rk_mc_controls),
	151	};
	152
5f224493 EBS	153	static int rk_98090_headset_init(struct snd_soc_component *component)
	154	{
	155	int ret;
	156
	157	/* Enable Headset and 4 Buttons Jack detection */
	158	ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack",
	159	SND_JACK_HEADSET \|
	160	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	161	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	162	&headset_jack,
	163	headset_jack_pins,
	164	ARRAY_SIZE(headset_jack_pins));
	165	if (ret)
	166	return ret;
	167
	168	ret = ts3a227e_enable_jack_detect(component, &headset_jack);
	169
	170	return ret;
	171	}
	172
49bdb044	173	static int snd_rk_mc_probe(struct platform_device *pdev)
	174	{
	175	int ret = 0;
	176	struct snd_soc_card *card = &snd_soc_card_rk;
	177	struct device_node *np = pdev->dev.of_node;
	178
	179	/* register the soc card */
	180	card->dev = &pdev->dev;
	181
	182	rk_dailink.codec_of_node = of_parse_phandle(np,
	183	"rockchip,audio-codec", 0);
	184	if (!rk_dailink.codec_of_node) {
	185	dev_err(&pdev->dev,
	186	"Property 'rockchip,audio-codec' missing or invalid\n");
	187	return -EINVAL;
	188	}
	189
	190	rk_dailink.cpu_of_node = of_parse_phandle(np,
	191	"rockchip,i2s-controller", 0);
	192	if (!rk_dailink.cpu_of_node) {
	193	dev_err(&pdev->dev,
	194	"Property 'rockchip,i2s-controller' missing or invalid\n");
	195	return -EINVAL;
	196	}
	197
	198	rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
	199
	200	rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
	201	"rockchip,headset-codec", 0);
	202	if (!rk_98090_headset_dev.codec_of_node) {
	203	dev_err(&pdev->dev,
	204	"Property 'rockchip,headset-codec' missing/invalid\n");
	205	return -EINVAL;
	206	}
	207
	208	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
	209	if (ret) {
	210	dev_err(&pdev->dev,
	211	"Soc parse card name failed %d\n", ret);
	212	return ret;
	213	}
	214
	215	ret = devm_snd_soc_register_card(&pdev->dev, card);
	216	if (ret) {
	217	dev_err(&pdev->dev,
	218	"Soc register card failed %d\n", ret);
	219	return ret;
	220	}
	221
	222	return ret;
	223	}
	224
	225	static const struct of_device_id rockchip_max98090_of_match[] = {
	226	{ .compatible = "rockchip,rockchip-audio-max98090", },
	227	{},
	228	};
	229
	230	MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
	231
	232	static struct platform_driver snd_rk_mc_driver = {
	233	.probe = snd_rk_mc_probe,
	234	.driver = {
	235	.name = DRV_NAME,
49bdb044	236	.pm = &snd_soc_pm_ops,
	237	.of_match_table = rockchip_max98090_of_match,
	238	},
	239	};
	240
	241	module_platform_driver(snd_rk_mc_driver);
	242
	243	MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
	244	MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
	245	MODULE_LICENSE("GPL v2");
	246	MODULE_ALIAS("platform:" DRV_NAME);