[mirror_ubuntu-zesty-kernel.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/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_das.h"
#include "tegra_i2s.h"
#include "tegra_pcm.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_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_codec *codec = rtd->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_fmt(codec_dai,
					SND_SOC_DAIFMT_I2S |
					SND_SOC_DAIFMT_NB_NF |
					SND_SOC_DAIFMT_CBS_CFS);
	if (err < 0) {
		dev_err(card->dev, "codec_dai fmt not set\n");
		return err;
	}

	err = snd_soc_dai_set_fmt(cpu_dai,
					SND_SOC_DAIFMT_I2S |
					SND_SOC_DAIFMT_NB_NF |
					SND_SOC_DAIFMT_CBS_CFS);
	if (err < 0) {
		dev_err(card->dev, "cpu_dai fmt not set\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 int trimslice_asoc_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	ret = tegra_das_connect_dap_to_dac(TEGRA_DAS_DAP_ID_1,
					   TEGRA_DAS_DAP_SEL_DAC1);
	if (ret) {
		dev_err(card->dev, "Can't set up DAS DAP connection\n");
		return ret;
	}
	ret = tegra_das_connect_dac_to_dap(TEGRA_DAS_DAC_ID_1,
					   TEGRA_DAS_DAC_SEL_DAP1);
	if (ret) {
		dev_err(card->dev, "Can't set up DAS DAC connection\n");
		return ret;
	}

	snd_soc_dapm_nc_pin(dapm, "LHPOUT");
	snd_soc_dapm_nc_pin(dapm, "RHPOUT");
	snd_soc_dapm_nc_pin(dapm, "MICIN");

	return 0;
}

static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
	.name = "TLV320AIC23",
	.stream_name = "AIC23",
	.codec_name = "tlv320aic23-codec.2-001a",
	.platform_name = "tegra-pcm-audio",
	.cpu_dai_name = "tegra-i2s.0",
	.codec_dai_name = "tlv320aic23-hifi",
	.init = trimslice_asoc_init,
	.ops = &trimslice_asoc_ops,
};

static struct snd_soc_card snd_soc_trimslice = {
	.name = "tegra-trimslice",
	.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),
};

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

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

	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_free_trimslice:
	kfree(trimslice);
	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);

	kfree(trimslice);

	return 0;
}

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

static int __init snd_tegra_trimslice_init(void)
{
	return platform_driver_register(&tegra_snd_trimslice_driver);
}
module_init(snd_tegra_trimslice_init);

static void __exit snd_tegra_trimslice_exit(void)
{
	platform_driver_unregister(&tegra_snd_trimslice_driver);
}
module_exit(snd_tegra_trimslice_exit);

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>
	30	#include <linux/platform_device.h>
	31	#include <linux/slab.h>
	32
	33	#include <sound/core.h>
	34	#include <sound/jack.h>
	35	#include <sound/pcm.h>
	36	#include <sound/pcm_params.h>
	37	#include <sound/soc.h>
	38
	39	#include "../codecs/tlv320aic23.h"
	40
	41	#include "tegra_das.h"
	42	#include "tegra_i2s.h"
	43	#include "tegra_pcm.h"
	44	#include "tegra_asoc_utils.h"
	45
	46	#define DRV_NAME "tegra-snd-trimslice"
	47
	48	struct tegra_trimslice {
	49	struct tegra_asoc_utils_data util_data;
	50	};
	51
	52	static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream,
	53	struct snd_pcm_hw_params *params)
	54	{
	55	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	56	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	57	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	58	struct snd_soc_codec *codec = rtd->codec;
	59	struct snd_soc_card *card = codec->card;
	60	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
	61	int srate, mclk;
	62	int err;
	63
	64	srate = params_rate(params);
65	mclk = 128 * srate;
66
67	err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk);
68	if (err < 0) {
69	dev_err(card->dev, "Can't configure clocks\n");
70	return err;
71	}
72
73	err = snd_soc_dai_set_fmt(codec_dai,
74	SND_SOC_DAIFMT_I2S \|
75	SND_SOC_DAIFMT_NB_NF \|
76	SND_SOC_DAIFMT_CBS_CFS);
77	if (err < 0) {
78	dev_err(card->dev, "codec_dai fmt not set\n");
79	return err;
80	}
81
82	err = snd_soc_dai_set_fmt(cpu_dai,
83	SND_SOC_DAIFMT_I2S \|
84	SND_SOC_DAIFMT_NB_NF \|
85	SND_SOC_DAIFMT_CBS_CFS);
86	if (err < 0) {
87	dev_err(card->dev, "cpu_dai fmt not set\n");
88	return err;
89	}
90
91	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
92	SND_SOC_CLOCK_IN);
93	if (err < 0) {
94	dev_err(card->dev, "codec_dai clock not set\n");
95	return err;
96	}
97
98	return 0;
99	}
100
101	static struct snd_soc_ops trimslice_asoc_ops = {
102	.hw_params = trimslice_asoc_hw_params,
103	};
104
105	static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
106	SND_SOC_DAPM_HP("Line Out", NULL),
107	SND_SOC_DAPM_LINE("Line In", NULL),
108	};
109
110	static const struct snd_soc_dapm_route trimslice_audio_map[] = {
111	{"Line Out", NULL, "LOUT"},
112	{"Line Out", NULL, "ROUT"},
113
114	{"LLINEIN", NULL, "Line In"},
115	{"RLINEIN", NULL, "Line In"},
116	};
117
118	static int trimslice_asoc_init(struct snd_soc_pcm_runtime *rtd)
119	{
120	struct snd_soc_codec *codec = rtd->codec;
65713ce8	121	struct snd_soc_card *card = codec->card;
1307394a	122	struct snd_soc_dapm_context *dapm = &codec->dapm;
65713ce8 SW	123	int ret;
	124
	125	ret = tegra_das_connect_dap_to_dac(TEGRA_DAS_DAP_ID_1,
	126	TEGRA_DAS_DAP_SEL_DAC1);
	127	if (ret) {
	128	dev_err(card->dev, "Can't set up DAS DAP connection\n");
	129	return ret;
	130	}
	131	ret = tegra_das_connect_dac_to_dap(TEGRA_DAS_DAC_ID_1,
	132	TEGRA_DAS_DAC_SEL_DAP1);
	133	if (ret) {
	134	dev_err(card->dev, "Can't set up DAS DAC connection\n");
	135	return ret;
	136	}
1307394a MR	137
	138	snd_soc_dapm_nc_pin(dapm, "LHPOUT");
	139	snd_soc_dapm_nc_pin(dapm, "RHPOUT");
	140	snd_soc_dapm_nc_pin(dapm, "MICIN");
	141
1307394a MR	142	return 0;
	143	}
	144
	145	static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
	146	.name = "TLV320AIC23",
	147	.stream_name = "AIC23",
	148	.codec_name = "tlv320aic23-codec.2-001a",
	149	.platform_name = "tegra-pcm-audio",
	150	.cpu_dai_name = "tegra-i2s.0",
	151	.codec_dai_name = "tlv320aic23-hifi",
	152	.init = trimslice_asoc_init,
	153	.ops = &trimslice_asoc_ops,
	154	};
	155
	156	static struct snd_soc_card snd_soc_trimslice = {
	157	.name = "tegra-trimslice",
	158	.dai_link = &trimslice_tlv320aic23_dai,
	159	.num_links = 1,
	160
	161	.dapm_widgets = trimslice_dapm_widgets,
	162	.num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
	163	.dapm_routes = trimslice_audio_map,
	164	.num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
	165	};
	166
	167	static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev)
	168	{
	169	struct snd_soc_card *card = &snd_soc_trimslice;
	170	struct tegra_trimslice *trimslice;
	171	int ret;
	172
	173	trimslice = kzalloc(sizeof(struct tegra_trimslice), GFP_KERNEL);
	174	if (!trimslice) {
	175	dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n");
	176	return -ENOMEM;
	177	}
	178
	179	ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
	180	if (ret)
	181	goto err_free_trimslice;
	182
	183	card->dev = &pdev->dev;
	184	platform_set_drvdata(pdev, card);
	185	snd_soc_card_set_drvdata(card, trimslice);
	186
	187	ret = snd_soc_register_card(card);
	188	if (ret) {
	189	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	190	ret);
	191	goto err_fini_utils;
	192	}
	193
	194	return 0;
	195
	196	err_fini_utils:
	197	tegra_asoc_utils_fini(&trimslice->util_data);
	198	err_free_trimslice:
	199	kfree(trimslice);
	200	return ret;
	201	}
	202
	203	static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev)
	204	{
	205	struct snd_soc_card *card = platform_get_drvdata(pdev);
206	struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
207
208	snd_soc_unregister_card(card);
209
210	tegra_asoc_utils_fini(&trimslice->util_data);
211
212	kfree(trimslice);
213
214	return 0;
215	}
216
217	static struct platform_driver tegra_snd_trimslice_driver = {
218	.driver = {
219	.name = DRV_NAME,
220	.owner = THIS_MODULE,
221	},
222	.probe = tegra_snd_trimslice_probe,
223	.remove = __devexit_p(tegra_snd_trimslice_remove),
224	};
225
226	static int __init snd_tegra_trimslice_init(void)
227	{
228	return platform_driver_register(&tegra_snd_trimslice_driver);
229	}
230	module_init(snd_tegra_trimslice_init);
231
232	static void __exit snd_tegra_trimslice_exit(void)
233	{
234	platform_driver_unregister(&tegra_snd_trimslice_driver);
235	}
236	module_exit(snd_tegra_trimslice_exit);
237
238	MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
239	MODULE_DESCRIPTION("Trimslice machine ASoC driver");
240	MODULE_LICENSE("GPL");
241	MODULE_ALIAS("platform:" DRV_NAME);