[deliverable/linux.git] / sound / soc / intel / boards / haswell.c

/*
 * Intel Haswell Lynxpoint SST Audio
 *
 * Copyright (C) 2013, Intel Corporation. All rights reserved.
 *
 * 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.
 *
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>

#include "../common/sst-dsp.h"
#include "../haswell/sst-haswell-ipc.h"

#include "../../codecs/rt5640.h"

/* Haswell ULT platforms have a Headphone and Mic jack */
static const struct snd_soc_dapm_widget haswell_widgets[] = {
	SND_SOC_DAPM_HP("Headphones", NULL),
	SND_SOC_DAPM_MIC("Mic", NULL),
};

static const struct snd_soc_dapm_route haswell_rt5640_map[] = {

	{"Headphones", NULL, "HPOR"},
	{"Headphones", NULL, "HPOL"},
	{"IN2P", NULL, "Mic"},

	/* CODEC BE connections */
	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
};

static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *channels = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);

	/* The ADSP will covert the FE rate to 48k, stereo */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;

	/* set SSP0 to 16 bit */
	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
	return 0;
}

static int haswell_rt5640_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 ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
		SND_SOC_CLOCK_IN);

	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec sysclk configuration\n");
		return ret;
	}

	/* set correct codec filter for DAI format and clock config */
	snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000);

	return ret;
}

static struct snd_soc_ops haswell_rt5640_ops = {
	.hw_params = haswell_rt5640_hw_params,
};

static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
	struct sst_hsw *haswell = pdata->dsp;
	int ret;

	/* Set ADSP SSP port settings */
	ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
		SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
		SST_HSW_DEVICE_CLOCK_MASTER, 9);
	if (ret < 0) {
		dev_err(rtd->dev, "failed to set device config\n");
		return ret;
	}

	return 0;
}

static struct snd_soc_dai_link haswell_rt5640_dais[] = {
	/* Front End DAI links */
	{
		.name = "System",
		.stream_name = "System Playback/Capture",
		.cpu_dai_name = "System Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.init = haswell_rtd_init,
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
	{
		.name = "Offload0",
		.stream_name = "Offload0 Playback",
		.cpu_dai_name = "Offload0 Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
	},
	{
		.name = "Offload1",
		.stream_name = "Offload1 Playback",
		.cpu_dai_name = "Offload1 Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
	},
	{
		.name = "Loopback",
		.stream_name = "Loopback",
		.cpu_dai_name = "Loopback Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 0,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_capture = 1,
	},

	/* Back End DAI links */
	{
		/* SSP0 - Codec */
		.name = "Codec",
		.be_id = 0,
		.cpu_dai_name = "snd-soc-dummy-dai",
		.platform_name = "snd-soc-dummy",
		.no_pcm = 1,
		.codec_name = "i2c-INT33CA:00",
		.codec_dai_name = "rt5640-aif1",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS,
		.ignore_suspend = 1,
		.ignore_pmdown_time = 1,
		.be_hw_params_fixup = haswell_ssp0_fixup,
		.ops = &haswell_rt5640_ops,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
};

/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
static struct snd_soc_card haswell_rt5640 = {
	.name = "haswell-rt5640",
	.owner = THIS_MODULE,
	.dai_link = haswell_rt5640_dais,
	.num_links = ARRAY_SIZE(haswell_rt5640_dais),
	.dapm_widgets = haswell_widgets,
	.num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
	.dapm_routes = haswell_rt5640_map,
	.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
	.fully_routed = true,
};

static int haswell_audio_probe(struct platform_device *pdev)
{
	haswell_rt5640.dev = &pdev->dev;

	return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
}

static struct platform_driver haswell_audio = {
	.probe = haswell_audio_probe,
	.driver = {
		.name = "haswell-audio",
	},
};

module_platform_driver(haswell_audio)

/* Module information */
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:haswell-audio");
Commit	Line	Data
a4b12990 MB	1	/*
	2	* Intel Haswell Lynxpoint SST Audio
	3	*
	4	* Copyright (C) 2013, Intel Corporation. All rights reserved.
	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 version
	8	* 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	*/
	16
	17	#include <linux/module.h>
	18	#include <linux/platform_device.h>
	19	#include <sound/core.h>
	20	#include <sound/pcm.h>
	21	#include <sound/soc.h>
	22	#include <sound/pcm_params.h>
	23
e56c72d5 JY	24	#include "../common/sst-dsp.h"
e56c72d5 JY	25	#include "../haswell/sst-haswell-ipc.h"
a4b12990	26
e56c72d5	27	#include "../../codecs/rt5640.h"
a4b12990 MB	28
	29	/* Haswell ULT platforms have a Headphone and Mic jack */
	30	static const struct snd_soc_dapm_widget haswell_widgets[] = {
	31	SND_SOC_DAPM_HP("Headphones", NULL),
	32	SND_SOC_DAPM_MIC("Mic", NULL),
	33	};
	34
	35	static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
	36
	37	{"Headphones", NULL, "HPOR"},
	38	{"Headphones", NULL, "HPOL"},
	39	{"IN2P", NULL, "Mic"},
	40
	41	/* CODEC BE connections */
	42	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
	43	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
	44	};
	45
	46	static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
	47	struct snd_pcm_hw_params *params)
	48	{
	49	struct snd_interval *rate = hw_param_interval(params,
	50	SNDRV_PCM_HW_PARAM_RATE);
	51	struct snd_interval *channels = hw_param_interval(params,
	52	SNDRV_PCM_HW_PARAM_CHANNELS);
	53
	54	/* The ADSP will covert the FE rate to 48k, stereo */
	55	rate->min = rate->max = 48000;
	56	channels->min = channels->max = 2;
	57
	58	/* set SSP0 to 16 bit */
369a9f5f	59	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
a4b12990 MB	60	return 0;
	61	}
	62
	63	static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
	64	struct snd_pcm_hw_params *params)
	65	{
	66	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	67	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	68	int ret;
	69
	70	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
	71	SND_SOC_CLOCK_IN);
	72
	73	if (ret < 0) {
	74	dev_err(rtd->dev, "can't set codec sysclk configuration\n");
	75	return ret;
	76	}
	77
	78	/* set correct codec filter for DAI format and clock config */
	79	snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000);
	80
	81	return ret;
	82	}
	83
	84	static struct snd_soc_ops haswell_rt5640_ops = {
	85	.hw_params = haswell_rt5640_hw_params,
	86	};
	87
	88	static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
	89	{
a4b12990 MB	90	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
	91	struct sst_hsw *haswell = pdata->dsp;
	92	int ret;
	93
	94	/* Set ADSP SSP port settings */
	95	ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
	96	SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
	97	SST_HSW_DEVICE_CLOCK_MASTER, 9);
	98	if (ret < 0) {
	99	dev_err(rtd->dev, "failed to set device config\n");
	100	return ret;
	101	}
	102
a4b12990 MB	103	return 0;
	104	}
	105
	106	static struct snd_soc_dai_link haswell_rt5640_dais[] = {
	107	/* Front End DAI links */
	108	{
	109	.name = "System",
7bb73cbd	110	.stream_name = "System Playback/Capture",
a4b12990 MB	111	.cpu_dai_name = "System Pin",
	112	.platform_name = "haswell-pcm-audio",
	113	.dynamic = 1,
	114	.codec_name = "snd-soc-dummy",
	115	.codec_dai_name = "snd-soc-dummy-dai",
	116	.init = haswell_rtd_init,
	117	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	118	.dpcm_playback = 1,
7bb73cbd	119	.dpcm_capture = 1,
a4b12990 MB	120	},
	121	{
	122	.name = "Offload0",
	123	.stream_name = "Offload0 Playback",
	124	.cpu_dai_name = "Offload0 Pin",
	125	.platform_name = "haswell-pcm-audio",
	126	.dynamic = 1,
	127	.codec_name = "snd-soc-dummy",
	128	.codec_dai_name = "snd-soc-dummy-dai",
	129	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	130	.dpcm_playback = 1,
	131	},
	132	{
	133	.name = "Offload1",
	134	.stream_name = "Offload1 Playback",
	135	.cpu_dai_name = "Offload1 Pin",
	136	.platform_name = "haswell-pcm-audio",
	137	.dynamic = 1,
	138	.codec_name = "snd-soc-dummy",
	139	.codec_dai_name = "snd-soc-dummy-dai",
	140	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	141	.dpcm_playback = 1,
	142	},
	143	{
	144	.name = "Loopback",
	145	.stream_name = "Loopback",
	146	.cpu_dai_name = "Loopback Pin",
	147	.platform_name = "haswell-pcm-audio",
	148	.dynamic = 0,
	149	.codec_name = "snd-soc-dummy",
	150	.codec_dai_name = "snd-soc-dummy-dai",
	151	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	152	.dpcm_capture = 1,
	153	},
a4b12990 MB	154
	155	/* Back End DAI links */
	156	{
	157	/* SSP0 - Codec */
	158	.name = "Codec",
	159	.be_id = 0,
	160	.cpu_dai_name = "snd-soc-dummy-dai",
	161	.platform_name = "snd-soc-dummy",
	162	.no_pcm = 1,
	163	.codec_name = "i2c-INT33CA:00",
	164	.codec_dai_name = "rt5640-aif1",
	165	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	166	SND_SOC_DAIFMT_CBS_CFS,
	167	.ignore_suspend = 1,
	168	.ignore_pmdown_time = 1,
	169	.be_hw_params_fixup = haswell_ssp0_fixup,
	170	.ops = &haswell_rt5640_ops,
	171	.dpcm_playback = 1,
	172	.dpcm_capture = 1,
	173	},
	174	};
	175
	176	/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
	177	static struct snd_soc_card haswell_rt5640 = {
	178	.name = "haswell-rt5640",
	179	.owner = THIS_MODULE,
	180	.dai_link = haswell_rt5640_dais,
	181	.num_links = ARRAY_SIZE(haswell_rt5640_dais),
	182	.dapm_widgets = haswell_widgets,
	183	.num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
	184	.dapm_routes = haswell_rt5640_map,
	185	.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
	186	.fully_routed = true,
	187	};
	188
	189	static int haswell_audio_probe(struct platform_device *pdev)
	190	{
	191	haswell_rt5640.dev = &pdev->dev;
	192
8eb776ab	193	return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
a4b12990 MB	194	}
	195
	196	static struct platform_driver haswell_audio = {
	197	.probe = haswell_audio_probe,
a4b12990 MB	198	.driver = {
a4b12990 MB	199	.name = "haswell-audio",
a4b12990 MB	200	},
	201	};
	202
	203	module_platform_driver(haswell_audio)
	204
	205	/* Module information */
	206	MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
	207	MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
	208	MODULE_LICENSE("GPL v2");
	209	MODULE_ALIAS("platform:haswell-audio");