[linux-2.6-block.git] / sound / soc / intel / boards / sof_sdw_maxim.c

// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2020 Intel Corporation
//
// sof_sdw_maxim - Helpers to handle maxim codecs
// codec devices from generic machine driver

#include <linux/device.h>
#include <linux/errno.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include "sof_sdw_common.h"

static int maxim_part_id;
#define SOF_SDW_PART_ID_MAX98363 0x8363
#define SOF_SDW_PART_ID_MAX98373 0x8373

static const struct snd_soc_dapm_widget maxim_widgets[] = {
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
};

static const struct snd_kcontrol_new maxim_controls[] = {
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),
};

static const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
	{ "Left Spk", NULL, "Left BE_OUT" },
	{ "Right Spk", NULL, "Right BE_OUT" },
};

int maxim_spk_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	int ret;

	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
					  "%s spk:mx%04x",
					  card->components, maxim_part_id);
	if (!card->components)
		return -ENOMEM;

	dev_dbg(card->dev, "soundwire maxim card components assigned : %s\n",
		card->components);

	ret = snd_soc_add_card_controls(card, maxim_controls,
					ARRAY_SIZE(maxim_controls));
	if (ret) {
		dev_err(card->dev, "mx%04x ctrls addition failed: %d\n", maxim_part_id, ret);
		return ret;
	}

	ret = snd_soc_dapm_new_controls(&card->dapm, maxim_widgets,
					ARRAY_SIZE(maxim_widgets));
	if (ret) {
		dev_err(card->dev, "mx%04x widgets addition failed: %d\n", maxim_part_id, ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
	if (ret)
		dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);

	return ret;
}

static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enable)
{
	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai;
	struct snd_soc_dai *cpu_dai;
	int ret;
	int j;

	/* set spk pin by playback only */
	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
		return 0;

	cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
	for_each_rtd_codec_dais(rtd, j, codec_dai) {
		struct snd_soc_dapm_context *dapm =
				snd_soc_component_get_dapm(cpu_dai->component);
		char pin_name[16];

		snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
			 codec_dai->component->name_prefix);

		if (enable)
			ret = snd_soc_dapm_enable_pin(dapm, pin_name);
		else
			ret = snd_soc_dapm_disable_pin(dapm, pin_name);

		if (!ret)
			snd_soc_dapm_sync(dapm);
	}

	return 0;
}

static int mx8373_sdw_prepare(struct snd_pcm_substream *substream)
{
	int ret;

	/* according to soc_pcm_prepare dai link prepare is called first */
	ret = sdw_prepare(substream);
	if (ret < 0)
		return ret;

	return mx8373_enable_spk_pin(substream, true);
}

static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream)
{
	int ret;

	/* according to soc_pcm_hw_free dai link free is called first */
	ret = sdw_hw_free(substream);
	if (ret < 0)
		return ret;

	return mx8373_enable_spk_pin(substream, false);
}

static const struct snd_soc_ops max_98373_sdw_ops = {
	.startup = sdw_startup,
	.prepare = mx8373_sdw_prepare,
	.trigger = sdw_trigger,
	.hw_params = sdw_hw_params,
	.hw_free = mx8373_sdw_hw_free,
	.shutdown = sdw_shutdown,
};

static int mx8373_sdw_late_probe(struct snd_soc_card *card)
{
	struct snd_soc_dapm_context *dapm = &card->dapm;

	/* Disable Left and Right Spk pin after boot */
	snd_soc_dapm_disable_pin(dapm, "Left Spk");
	snd_soc_dapm_disable_pin(dapm, "Right Spk");
	return snd_soc_dapm_sync(dapm);
}

int sof_sdw_maxim_init(struct snd_soc_card *card,
		       struct snd_soc_dai_link *dai_links,
		       struct sof_sdw_codec_info *info,
		       bool playback)
{
	info->amp_num++;

	maxim_part_id = info->part_id;
	switch (maxim_part_id) {
	case SOF_SDW_PART_ID_MAX98363:
		/* Default ops are set in function init_dai_link.
		 * called as part of function create_sdw_dailink
		 */
		break;
	case SOF_SDW_PART_ID_MAX98373:
		info->codec_card_late_probe = mx8373_sdw_late_probe;
		dai_links->ops = &max_98373_sdw_ops;
		break;
	default:
		dev_err(card->dev, "Invalid maxim_part_id %#x\n", maxim_part_id);
		return -EINVAL;
	}
	return 0;
}
Commit	Line	Data
be82e888 NM	1	// SPDX-License-Identifier: GPL-2.0-only
	2	// Copyright (c) 2020 Intel Corporation
	3	//
fcb3f0fb	4	// sof_sdw_maxim - Helpers to handle maxim codecs
be82e888 NM	5	// codec devices from generic machine driver
	6
	7	#include <linux/device.h>
	8	#include <linux/errno.h>
3f2c6564	9	#include <sound/control.h>
be82e888 NM	10	#include <sound/soc.h>
be82e888 NM	11	#include <sound/soc-acpi.h>
3f2c6564	12	#include <sound/soc-dapm.h>
be82e888	13	#include "sof_sdw_common.h"
be82e888	14
fcb3f0fb	15	static int maxim_part_id;
dea4138d	16	#define SOF_SDW_PART_ID_MAX98363 0x8363
fcb3f0fb UB	17	#define SOF_SDW_PART_ID_MAX98373 0x8373
	18
	19	static const struct snd_soc_dapm_widget maxim_widgets[] = {
be82e888 NM	20	SND_SOC_DAPM_SPK("Left Spk", NULL),
	21	SND_SOC_DAPM_SPK("Right Spk", NULL),
	22	};
	23
fcb3f0fb	24	static const struct snd_kcontrol_new maxim_controls[] = {
be82e888 NM	25	SOC_DAPM_PIN_SWITCH("Left Spk"),
	26	SOC_DAPM_PIN_SWITCH("Right Spk"),
	27	};
	28
15ce635f BL	29	static const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
	30	{ "Left Spk", NULL, "Left BE_OUT" },
	31	{ "Right Spk", NULL, "Right BE_OUT" },
	32	};
	33
8266c731	34	int maxim_spk_rtd_init(struct snd_soc_pcm_runtime *rtd)
be82e888 NM	35	{
	36	struct snd_soc_card *card = rtd->card;
	37	int ret;
	38
	39	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
fcb3f0fb UB	40	"%s spk:mx%04x",
fcb3f0fb UB	41	card->components, maxim_part_id);
be82e888 NM	42	if (!card->components)
	43	return -ENOMEM;
	44
fcb3f0fb UB	45	dev_dbg(card->dev, "soundwire maxim card components assigned : %s\n",
	46	card->components);
	47
	48	ret = snd_soc_add_card_controls(card, maxim_controls,
	49	ARRAY_SIZE(maxim_controls));
be82e888	50	if (ret) {
fcb3f0fb	51	dev_err(card->dev, "mx%04x ctrls addition failed: %d\n", maxim_part_id, ret);
be82e888 NM	52	return ret;
	53	}
	54
fcb3f0fb UB	55	ret = snd_soc_dapm_new_controls(&card->dapm, maxim_widgets,
fcb3f0fb UB	56	ARRAY_SIZE(maxim_widgets));
be82e888	57	if (ret) {
fcb3f0fb	58	dev_err(card->dev, "mx%04x widgets addition failed: %d\n", maxim_part_id, ret);
be82e888 NM	59	return ret;
	60	}
	61
	62	ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
	63	if (ret)
	64	dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
	65
	66	return ret;
	67	}
	68
33c85168	69	static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enable)
7cc3b56f	70	{
a2c1125e	71	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
33c85168 RW	72	struct snd_soc_dai *codec_dai;
33c85168 RW	73	struct snd_soc_dai *cpu_dai;
7cc3b56f	74	int ret;
33c85168	75	int j;
7cc3b56f	76
33c85168 RW	77	/* set spk pin by playback only */
	78	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
	79	return 0;
	80
a2c1125e	81	cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
33c85168 RW	82	for_each_rtd_codec_dais(rtd, j, codec_dai) {
	83	struct snd_soc_dapm_context *dapm =
	84	snd_soc_component_get_dapm(cpu_dai->component);
	85	char pin_name[16];
	86
	87	snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
	88	codec_dai->component->name_prefix);
	89
	90	if (enable)
	91	ret = snd_soc_dapm_enable_pin(dapm, pin_name);
	92	else
	93	ret = snd_soc_dapm_disable_pin(dapm, pin_name);
	94
	95	if (!ret)
	96	snd_soc_dapm_sync(dapm);
7cc3b56f RW	97	}
7cc3b56f RW	98
33c85168 RW	99	return 0;
	100	}
	101
	102	static int mx8373_sdw_prepare(struct snd_pcm_substream *substream)
	103	{
d4321277	104	int ret;
33c85168 RW	105
	106	/* according to soc_pcm_prepare dai link prepare is called first */
	107	ret = sdw_prepare(substream);
	108	if (ret < 0)
	109	return ret;
	110
	111	return mx8373_enable_spk_pin(substream, true);
	112	}
	113
	114	static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream)
	115	{
d4321277	116	int ret;
33c85168 RW	117
	118	/* according to soc_pcm_hw_free dai link free is called first */
	119	ret = sdw_hw_free(substream);
	120	if (ret < 0)
	121	return ret;
	122
	123	return mx8373_enable_spk_pin(substream, false);
7cc3b56f RW	124	}
7cc3b56f RW	125
be82e888 NM	126	static const struct snd_soc_ops max_98373_sdw_ops = {
be82e888 NM	127	.startup = sdw_startup,
33c85168 RW	128	.prepare = mx8373_sdw_prepare,
33c85168 RW	129	.trigger = sdw_trigger,
0281b02e	130	.hw_params = sdw_hw_params,
33c85168	131	.hw_free = mx8373_sdw_hw_free,
be82e888 NM	132	.shutdown = sdw_shutdown,
	133	};
	134
e9fcbaff YZ	135	static int mx8373_sdw_late_probe(struct snd_soc_card *card)
	136	{
	137	struct snd_soc_dapm_context *dapm = &card->dapm;
	138
	139	/* Disable Left and Right Spk pin after boot */
	140	snd_soc_dapm_disable_pin(dapm, "Left Spk");
	141	snd_soc_dapm_disable_pin(dapm, "Right Spk");
	142	return snd_soc_dapm_sync(dapm);
	143	}
	144
fcb3f0fb	145	int sof_sdw_maxim_init(struct snd_soc_card *card,
fcb3f0fb UB	146	struct snd_soc_dai_link *dai_links,
	147	struct sof_sdw_codec_info *info,
	148	bool playback)
be82e888 NM	149	{
be82e888 NM	150	info->amp_num++;
be82e888	151
fcb3f0fb UB	152	maxim_part_id = info->part_id;
fcb3f0fb UB	153	switch (maxim_part_id) {
dea4138d UB	154	case SOF_SDW_PART_ID_MAX98363:
	155	/* Default ops are set in function init_dai_link.
	156	* called as part of function create_sdw_dailink
	157	*/
	158	break;
fcb3f0fb UB	159	case SOF_SDW_PART_ID_MAX98373:
	160	info->codec_card_late_probe = mx8373_sdw_late_probe;
	161	dai_links->ops = &max_98373_sdw_ops;
	162	break;
	163	default:
	164	dev_err(card->dev, "Invalid maxim_part_id %#x\n", maxim_part_id);
	165	return -EINVAL;
	166	}
be82e888 NM	167	return 0;
be82e888 NM	168	}