[deliverable/linux.git] / sound / soc / tegra / trimslice.c

/*
 * trimslice.c - TrimSlice machine ASoC driver
 *
 * Copyright (C) 2011 - CompuLab, Ltd.
 * Author: Mike Rapoport <mike@compulab.co.il>
 *
 * Based on code copyright/by:
 * Author: Stephen Warren <swarren@nvidia.com>
 * Copyright (C) 2010-2011 - NVIDIA, Inc.
 *
 * 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 <asm/mach-types.h>

#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>

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

#include "../codecs/tlv320aic23.h"

#include "tegra_asoc_utils.h"

#define DRV_NAME "tegra-snd-trimslice"

struct tegra_trimslice {
	struct tegra_asoc_utils_data util_data;
};

static int trimslice_asoc_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_codec *codec = codec_dai->codec;
	struct snd_soc_card *card = codec->card;
	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
	int srate, mclk;
	int err;

	srate = params_rate(params);
	mclk = 128 * srate;

	err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk);
	if (err < 0) {
		dev_err(card->dev, "Can't configure clocks\n");
		return err;
	}

	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
					SND_SOC_CLOCK_IN);
	if (err < 0) {
		dev_err(card->dev, "codec_dai clock not set\n");
		return err;
	}

	return 0;
}

static struct snd_soc_ops trimslice_asoc_ops = {
	.hw_params = trimslice_asoc_hw_params,
};

static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Line Out", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};

static const struct snd_soc_dapm_route trimslice_audio_map[] = {
	{"Line Out", NULL, "LOUT"},
	{"Line Out", NULL, "ROUT"},

	{"LLINEIN", NULL, "Line In"},
	{"RLINEIN", NULL, "Line In"},
};

static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
	.name = "TLV320AIC23",
	.stream_name = "AIC23",
	.codec_name = "tlv320aic23-codec.2-001a",
	.platform_name = "tegra20-i2s.0",
	.cpu_dai_name = "tegra20-i2s.0",
	.codec_dai_name = "tlv320aic23-hifi",
	.ops = &trimslice_asoc_ops,
	.dai_fmt = SND_SOC_DAIFMT_I2S |
		   SND_SOC_DAIFMT_NB_NF |
		   SND_SOC_DAIFMT_CBS_CFS,
};

static struct snd_soc_card snd_soc_trimslice = {
	.name = "tegra-trimslice",
	.owner = THIS_MODULE,
	.dai_link = &trimslice_tlv320aic23_dai,
	.num_links = 1,

	.dapm_widgets = trimslice_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
	.dapm_routes = trimslice_audio_map,
	.num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
	.fully_routed = true,
};

static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_trimslice;
	struct tegra_trimslice *trimslice;
	int ret;

	trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice),
				 GFP_KERNEL);
	if (!trimslice) {
		dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n");
		ret = -ENOMEM;
		goto err;
	}

	if (pdev->dev.of_node) {
		trimslice_tlv320aic23_dai.codec_name = NULL;
		trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(
				pdev->dev.of_node, "nvidia,audio-codec", 0);
		if (!trimslice_tlv320aic23_dai.codec_of_node) {
			dev_err(&pdev->dev,
				"Property 'nvidia,audio-codec' missing or invalid\n");
			ret = -EINVAL;
			goto err;
		}

		trimslice_tlv320aic23_dai.cpu_dai_name = NULL;
		trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(
				pdev->dev.of_node, "nvidia,i2s-controller", 0);
		if (!trimslice_tlv320aic23_dai.cpu_of_node) {
			dev_err(&pdev->dev,
				"Property 'nvidia,i2s-controller' missing or invalid\n");
			ret = -EINVAL;
			goto err;
		}

		trimslice_tlv320aic23_dai.platform_name = NULL;
		trimslice_tlv320aic23_dai.platform_of_node =
				trimslice_tlv320aic23_dai.cpu_of_node;
	}

	ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
	if (ret)
		goto err;

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, trimslice);

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
			ret);
		goto err_fini_utils;
	}

	return 0;

err_fini_utils:
	tegra_asoc_utils_fini(&trimslice->util_data);
err:
	return ret;
}

static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);

	snd_soc_unregister_card(card);

	tegra_asoc_utils_fini(&trimslice->util_data);

	return 0;
}

static const struct of_device_id trimslice_of_match[] = {
	{ .compatible = "nvidia,tegra-audio-trimslice", },
	{},
};
MODULE_DEVICE_TABLE(of, trimslice_of_match);

static struct platform_driver tegra_snd_trimslice_driver = {
	.driver = {
		.name = DRV_NAME,
		.owner = THIS_MODULE,
		.of_match_table = trimslice_of_match,
	},
	.probe = tegra_snd_trimslice_probe,
	.remove = __devexit_p(tegra_snd_trimslice_remove),
};
module_platform_driver(tegra_snd_trimslice_driver);

MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_DESCRIPTION("Trimslice machine ASoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
Commit	Line	Data
1307394a MR	1	/*
	2	* trimslice.c - TrimSlice machine ASoC driver
	3	*
	4	* Copyright (C) 2011 - CompuLab, Ltd.
	5	* Author: Mike Rapoport <mike@compulab.co.il>
	6	*
	7	* Based on code copyright/by:
	8	* Author: Stephen Warren <swarren@nvidia.com>
	9	* Copyright (C) 2010-2011 - NVIDIA, Inc.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License
	13	* version 2 as published by the Free Software Foundation.
	14	*
	15	* This program is distributed in the hope that it will be useful, but
	16	* WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	23	* 02110-1301 USA
	24	*
	25	*/
	26
	27	#include <asm/mach-types.h>
	28
	29	#include <linux/module.h>
6264f668	30	#include <linux/of.h>
1307394a MR	31	#include <linux/platform_device.h>
	32	#include <linux/slab.h>
	33
	34	#include <sound/core.h>
	35	#include <sound/jack.h>
	36	#include <sound/pcm.h>
	37	#include <sound/pcm_params.h>
	38	#include <sound/soc.h>
	39
	40	#include "../codecs/tlv320aic23.h"
	41
1307394a MR	42	#include "tegra_asoc_utils.h"
	43
	44	#define DRV_NAME "tegra-snd-trimslice"
	45
	46	struct tegra_trimslice {
	47	struct tegra_asoc_utils_data util_data;
	48	};
	49
	50	static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream,
	51	struct snd_pcm_hw_params *params)
	52	{
	53	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	54	struct snd_soc_dai *codec_dai = rtd->codec_dai;
40db77a0	55	struct snd_soc_codec *codec = codec_dai->codec;
1307394a MR	56	struct snd_soc_card *card = codec->card;
	57	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
	58	int srate, mclk;
	59	int err;
	60
	61	srate = params_rate(params);
	62	mclk = 128 * srate;
	63
	64	err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk);
	65	if (err < 0) {
	66	dev_err(card->dev, "Can't configure clocks\n");
	67	return err;
	68	}
	69
1307394a MR	70	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	71	SND_SOC_CLOCK_IN);
	72	if (err < 0) {
	73	dev_err(card->dev, "codec_dai clock not set\n");
	74	return err;
	75	}
	76
	77	return 0;
	78	}
	79
	80	static struct snd_soc_ops trimslice_asoc_ops = {
	81	.hw_params = trimslice_asoc_hw_params,
	82	};
	83
	84	static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
	85	SND_SOC_DAPM_HP("Line Out", NULL),
	86	SND_SOC_DAPM_LINE("Line In", NULL),
	87	};
	88
	89	static const struct snd_soc_dapm_route trimslice_audio_map[] = {
	90	{"Line Out", NULL, "LOUT"},
	91	{"Line Out", NULL, "ROUT"},
	92
	93	{"LLINEIN", NULL, "Line In"},
	94	{"RLINEIN", NULL, "Line In"},
	95	};
	96
1307394a MR	97	static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
	98	.name = "TLV320AIC23",
	99	.stream_name = "AIC23",
	100	.codec_name = "tlv320aic23-codec.2-001a",
896637ac SW	101	.platform_name = "tegra20-i2s.0",
896637ac SW	102	.cpu_dai_name = "tegra20-i2s.0",
1307394a	103	.codec_dai_name = "tlv320aic23-hifi",
1307394a	104	.ops = &trimslice_asoc_ops,
408dafc4 SW	105	.dai_fmt = SND_SOC_DAIFMT_I2S \|
	106	SND_SOC_DAIFMT_NB_NF \|
	107	SND_SOC_DAIFMT_CBS_CFS,
1307394a MR	108	};
	109
	110	static struct snd_soc_card snd_soc_trimslice = {
	111	.name = "tegra-trimslice",
b16eaf9f	112	.owner = THIS_MODULE,
1307394a MR	113	.dai_link = &trimslice_tlv320aic23_dai,
	114	.num_links = 1,
	115
	116	.dapm_widgets = trimslice_dapm_widgets,
	117	.num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
	118	.dapm_routes = trimslice_audio_map,
	119	.num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
504855d1	120	.fully_routed = true,
1307394a MR	121	};
	122
	123	static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev)
	124	{
	125	struct snd_soc_card *card = &snd_soc_trimslice;
	126	struct tegra_trimslice *trimslice;
	127	int ret;
	128
45c26091 SW	129	trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice),
45c26091 SW	130	GFP_KERNEL);
1307394a MR	131	if (!trimslice) {
1307394a MR	132	dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n");
45c26091 SW	133	ret = -ENOMEM;
45c26091 SW	134	goto err;
1307394a MR	135	}
1307394a MR	136
6264f668 SW	137	if (pdev->dev.of_node) {
	138	trimslice_tlv320aic23_dai.codec_name = NULL;
	139	trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(
	140	pdev->dev.of_node, "nvidia,audio-codec", 0);
	141	if (!trimslice_tlv320aic23_dai.codec_of_node) {
	142	dev_err(&pdev->dev,
	143	"Property 'nvidia,audio-codec' missing or invalid\n");
	144	ret = -EINVAL;
	145	goto err;
	146	}
	147
	148	trimslice_tlv320aic23_dai.cpu_dai_name = NULL;
bc92657a	149	trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(
6264f668	150	pdev->dev.of_node, "nvidia,i2s-controller", 0);
bc92657a	151	if (!trimslice_tlv320aic23_dai.cpu_of_node) {
6264f668 SW	152	dev_err(&pdev->dev,
	153	"Property 'nvidia,i2s-controller' missing or invalid\n");
	154	ret = -EINVAL;
	155	goto err;
	156	}
	157
	158	trimslice_tlv320aic23_dai.platform_name = NULL;
	159	trimslice_tlv320aic23_dai.platform_of_node =
bc92657a	160	trimslice_tlv320aic23_dai.cpu_of_node;
6264f668 SW	161	}
6264f668 SW	162
1307394a MR	163	ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
1307394a MR	164	if (ret)
45c26091	165	goto err;
1307394a MR	166
	167	card->dev = &pdev->dev;
	168	platform_set_drvdata(pdev, card);
	169	snd_soc_card_set_drvdata(card, trimslice);
	170
	171	ret = snd_soc_register_card(card);
	172	if (ret) {
	173	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	174	ret);
	175	goto err_fini_utils;
	176	}
	177
	178	return 0;
	179
	180	err_fini_utils:
	181	tegra_asoc_utils_fini(&trimslice->util_data);
45c26091	182	err:
1307394a MR	183	return ret;
	184	}
	185
	186	static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev)
	187	{
	188	struct snd_soc_card *card = platform_get_drvdata(pdev);
	189	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
	190
	191	snd_soc_unregister_card(card);
	192
	193	tegra_asoc_utils_fini(&trimslice->util_data);
	194
1307394a MR	195	return 0;
	196	}
	197
f6e65744	198	static const struct of_device_id trimslice_of_match[] = {
6264f668 SW	199	{ .compatible = "nvidia,tegra-audio-trimslice", },
	200	{},
	201	};
	202	MODULE_DEVICE_TABLE(of, trimslice_of_match);
	203
1307394a MR	204	static struct platform_driver tegra_snd_trimslice_driver = {
	205	.driver = {
	206	.name = DRV_NAME,
	207	.owner = THIS_MODULE,
6264f668	208	.of_match_table = trimslice_of_match,
1307394a MR	209	},
	210	.probe = tegra_snd_trimslice_probe,
	211	.remove = __devexit_p(tegra_snd_trimslice_remove),
	212	};
45c26091	213	module_platform_driver(tegra_snd_trimslice_driver);
1307394a MR	214
	215	MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
	216	MODULE_DESCRIPTION("Trimslice machine ASoC driver");
	217	MODULE_LICENSE("GPL");
	218	MODULE_ALIAS("platform:" DRV_NAME);