sof_realtek_common.c

// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2020 Intel Corporation

#include <linux/device.h>
#include <linux/kernel.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dai.h>
#include <sound/soc-dapm.h>
#include <sound/sof.h>
#include <uapi/sound/asound.h>
#include "../../codecs/rt1011.h"
#include "../../codecs/rt1015.h"
#include "../../codecs/rt1308.h"
#include "../common/soc-intel-quirks.h"
#include "sof_realtek_common.h"

/*
 * Common structures and functions
 */
static const struct snd_kcontrol_new realtek_2spk_kcontrols[] = {
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),

};

static const struct snd_soc_dapm_widget realtek_2spk_widgets[] = {
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
};

static const struct snd_kcontrol_new realtek_4spk_kcontrols[] = {
	SOC_DAPM_PIN_SWITCH("WL Ext Spk"),
	SOC_DAPM_PIN_SWITCH("WR Ext Spk"),
	SOC_DAPM_PIN_SWITCH("TL Ext Spk"),
	SOC_DAPM_PIN_SWITCH("TR Ext Spk"),
};

static const struct snd_soc_dapm_widget realtek_4spk_widgets[] = {
	SND_SOC_DAPM_SPK("WL Ext Spk", NULL),
	SND_SOC_DAPM_SPK("WR Ext Spk", NULL),
	SND_SOC_DAPM_SPK("TL Ext Spk", NULL),
	SND_SOC_DAPM_SPK("TR Ext Spk", NULL),
};

/* helper function to get the number of specific codec */
static unsigned int get_num_codecs(const char *hid)
{
	struct acpi_device *adev;
	unsigned int dev_num = 0;

	for_each_acpi_dev_match(adev, hid, NULL, -1)
		dev_num++;

	return dev_num;
}

/*
 * Realtek ALC1011
 */
static const struct snd_soc_dapm_route speaker_map_lr[] = {
	/* speaker */
	{ "Left Spk", NULL, "Left SPO" },
	{ "Right Spk", NULL, "Right SPO" },
};

static const struct snd_soc_dapm_route rt1011_4spk_routes[] = {
	{"WL Ext Spk", NULL, "WL SPO" },
	{"WR Ext Spk", NULL, "WR SPO" },
	{"TL Ext Spk", NULL, "TL SPO" },
	{"TR Ext Spk", NULL, "TR SPO" },
};

static struct snd_soc_codec_conf rt1011_2spk_codec_confs[] = {
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV0_NAME),
		.name_prefix = "Left",
	},
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV1_NAME),
		.name_prefix = "Right",
	},
};

static struct snd_soc_codec_conf rt1011_4spk_codec_confs[] = {
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV0_NAME),
		.name_prefix = "WL",
	},
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV1_NAME),
		.name_prefix = "WR",
	},
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV2_NAME),
		.name_prefix = "TL",
	},
	{
		.dlc = COMP_CODEC_CONF(RT1011_DEV3_NAME),
		.name_prefix = "TR",
	},
};

static struct snd_soc_dai_link_component rt1011_dai_link_components[] = {
	{
		.name = RT1011_DEV0_NAME,
		.dai_name = RT1011_CODEC_DAI,
	},
	{
		.name = RT1011_DEV1_NAME,
		.dai_name = RT1011_CODEC_DAI,
	},
	{
		.name = RT1011_DEV2_NAME,
		.dai_name = RT1011_CODEC_DAI,
	},
	{
		.name = RT1011_DEV3_NAME,
		.dai_name = RT1011_CODEC_DAI,
	},
};

static const struct {
	unsigned int tx;
	unsigned int rx;
} rt1011_tdm_mask[] = {
	{.tx = 0x4, .rx = 0x1},
	{.tx = 0x8, .rx = 0x2},
	{.tx = 0x1, .rx = 0x1},
	{.tx = 0x2, .rx = 0x2},
};

static int rt1011_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai;
	int srate, i, ret = 0;

	srate = params_rate(params);

	for_each_rtd_codec_dais(rtd, i, codec_dai) {
		/* 100 Fs to drive 24 bit data */
		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1011_PLL1_S_BCLK,
					  100 * srate, 256 * srate);
		if (ret < 0) {
			dev_err(codec_dai->dev, "fail to set pll, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_dai_set_sysclk(codec_dai, RT1011_FS_SYS_PRE_S_PLL1,
					     256 * srate, SND_SOC_CLOCK_IN);
		if (ret < 0) {
			dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
				ret);
			return ret;
		}

		if (i >= ARRAY_SIZE(rt1011_tdm_mask)) {
			dev_err(codec_dai->dev, "invalid codec index %d\n",
				i);
			return -ENODEV;
		}

		ret = snd_soc_dai_set_tdm_slot(codec_dai, rt1011_tdm_mask[i].tx,
					       rt1011_tdm_mask[i].rx, 4,
					       params_width(params));
		if (ret < 0) {
			dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
				ret);
			return ret;
		}
	}

	return 0;
}

static const struct snd_soc_ops rt1011_ops = {
	.hw_params = rt1011_hw_params,
};

static int rt1011_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
	unsigned int num_codecs = get_num_codecs(RT1011_ACPI_HID);
	int ret;

	switch (num_codecs) {
	case 2:
		if (!soc_intel_is_cml()) {
			ret = snd_soc_dapm_new_controls(dapm, realtek_2spk_widgets,
							ARRAY_SIZE(realtek_2spk_widgets));
			if (ret) {
				dev_err(rtd->dev, "fail to add rt1011 widgets, ret %d\n",
					ret);
				return ret;
			}

			ret = snd_soc_add_card_controls(card, realtek_2spk_kcontrols,
							ARRAY_SIZE(realtek_2spk_kcontrols));
			if (ret) {
				dev_err(rtd->dev, "fail to add rt1011 kcontrols, ret %d\n",
					ret);
				return ret;
			}

			ret = snd_soc_dapm_add_routes(dapm, speaker_map_lr,
						      ARRAY_SIZE(speaker_map_lr));
			if (ret) {
				dev_err(rtd->dev, "fail to add rt1011 routes, ret %d\n",
					ret);
				return ret;
			}

			break;
		}

		/*
		 * register speaker widgets "WL Ext Spk" and "WR Ext Spk" to
		 * keep backward compatible with cml devices
		 */
		fallthrough;
	case 4:
		ret = snd_soc_dapm_new_controls(dapm, realtek_4spk_widgets, num_codecs);
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1011 widgets, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_add_card_controls(card, realtek_4spk_kcontrols, num_codecs);
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1011 controls, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_dapm_add_routes(dapm, rt1011_4spk_routes, num_codecs);
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1011 routes, ret %d\n",
				ret);
			return ret;
		}
		break;
	default:
		dev_err(rtd->dev, "rt1011: invalid num_codecs %d\n", num_codecs);
		return -EINVAL;
	}

	return ret;
}

void sof_rt1011_dai_link(struct device *dev, struct snd_soc_dai_link *link)
{
	unsigned int num_codecs = get_num_codecs(RT1011_ACPI_HID);

	link->codecs = rt1011_dai_link_components;

	switch (num_codecs) {
	case 2:
	case 4:
		link->num_codecs = num_codecs;
		break;
	default:
		dev_err(dev, "rt1011: invalid num_codecs %d\n", num_codecs);
		break;
	}

	link->init = rt1011_init;
	link->ops = &rt1011_ops;
}
EXPORT_SYMBOL_NS(sof_rt1011_dai_link, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

void sof_rt1011_codec_conf(struct device *dev, struct snd_soc_card *card)
{
	unsigned int num_codecs = get_num_codecs(RT1011_ACPI_HID);

	switch (num_codecs) {
	case 2:
		if (soc_intel_is_cml()) {
			/*
			 * use name prefix 'WL' and 'WR' for speaker widgets to
			 * keep backward compatible with cml devices
			 */
			card->codec_conf = rt1011_4spk_codec_confs;
		} else {
			card->codec_conf = rt1011_2spk_codec_confs;
		}

		card->num_configs = num_codecs;
		break;
	case 4:
		card->codec_conf = rt1011_4spk_codec_confs;
		card->num_configs = ARRAY_SIZE(rt1011_4spk_codec_confs);
		break;
	default:
		dev_err(dev, "rt1011: invalid num_codecs %d\n", num_codecs);
		break;
	}

}
EXPORT_SYMBOL_NS(sof_rt1011_codec_conf, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

/*
 * rt1015:  i2c mode driver for ALC1015 and ALC1015Q
 * rt1015p: auto-mode driver for ALC1015, ALC1015Q, and ALC1015Q-VB
 *
 * For stereo output, there are always two amplifiers on the board.
 * However, the ACPI implements only one device instance (UID=0) if they
 * are sharing the same enable pin. This is the case of rt1015p.
 */
static const struct snd_soc_dapm_route rt1015p_dapm_routes[] = {
	/* speaker */
	{ "Left Spk", NULL, "Speaker" },
	{ "Right Spk", NULL, "Speaker" },
};

static struct snd_soc_dai_link_component rt1015p_dai_link_components[] = {
	{
		.name = RT1015P_DEV0_NAME,
		.dai_name = RT1015P_CODEC_DAI,
	},
};

static int rt1015p_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params)
{
	/* reserved for debugging purpose */

	return 0;
}

static const struct snd_soc_ops rt1015p_ops = {
	.hw_params = rt1015p_hw_params,
};

static int rt1015p_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, realtek_2spk_widgets,
					ARRAY_SIZE(realtek_2spk_widgets));
	if (ret) {
		dev_err(rtd->dev, "fail to add rt1015p widgets, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_add_card_controls(card, realtek_2spk_kcontrols,
					ARRAY_SIZE(realtek_2spk_kcontrols));
	if (ret) {
		dev_err(rtd->dev, "fail to add rt1015p kcontrols, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, rt1015p_dapm_routes,
				      ARRAY_SIZE(rt1015p_dapm_routes));
	if (ret)
		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
	return ret;
}

void sof_rt1015p_dai_link(struct snd_soc_dai_link *link)
{
	link->codecs = rt1015p_dai_link_components;
	link->num_codecs = ARRAY_SIZE(rt1015p_dai_link_components);
	link->init = rt1015p_init;
	link->ops = &rt1015p_ops;
}
EXPORT_SYMBOL_NS(sof_rt1015p_dai_link, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

void sof_rt1015p_codec_conf(struct snd_soc_card *card)
{
}
EXPORT_SYMBOL_NS(sof_rt1015p_codec_conf, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

/*
 * RT1015 audio amplifier
 */

static const struct {
	unsigned int tx;
	unsigned int rx;
} rt1015_tdm_mask[] = {
	{.tx = 0x0, .rx = 0x1},
	{.tx = 0x0, .rx = 0x2},
};

static int rt1015_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
	struct snd_soc_dai_link *dai_link = rtd->dai_link;
	struct snd_soc_dai *codec_dai;
	int i, clk_freq;
	int ret = 0;

	clk_freq = sof_dai_get_bclk(rtd);

	if (clk_freq <= 0) {
		dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq);
		return -EINVAL;
	}

	for_each_rtd_codec_dais(rtd, i, codec_dai) {
		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
					  clk_freq,
					  params_rate(params) * 256);
		if (ret) {
			dev_err(codec_dai->dev, "fail to set pll, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
					     params_rate(params) * 256,
					     SND_SOC_CLOCK_IN);
		if (ret) {
			dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
				ret);
			return ret;
		}

		switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
		case SND_SOC_DAIFMT_DSP_A:
		case SND_SOC_DAIFMT_DSP_B:
			/* 4-slot TDM */
			ret = snd_soc_dai_set_tdm_slot(codec_dai,
						       rt1015_tdm_mask[i].tx,
						       rt1015_tdm_mask[i].rx,
						       4,
						       params_width(params));
			if (ret < 0) {
				dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
					ret);
				return ret;
			}
			break;
		default:
			dev_dbg(codec_dai->dev, "codec is in I2S mode\n");
			break;
		}
	}

	return ret;
}

static const struct snd_soc_ops rt1015_ops = {
	.hw_params = rt1015_hw_params,
};

static struct snd_soc_codec_conf rt1015_amp_conf[] = {
	{
		.dlc = COMP_CODEC_CONF(RT1015_DEV0_NAME),
		.name_prefix = "Left",
	},
	{
		.dlc = COMP_CODEC_CONF(RT1015_DEV1_NAME),
		.name_prefix = "Right",
	},
};

static struct snd_soc_dai_link_component rt1015_components[] = {
	{
		.name = RT1015_DEV0_NAME,
		.dai_name = RT1015_CODEC_DAI,
	},
	{
		.name = RT1015_DEV1_NAME,
		.dai_name = RT1015_CODEC_DAI,
	},
};

static int speaker_codec_init_lr(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
	unsigned int num_codecs = get_num_codecs(RT1015_ACPI_HID);
	int ret;

	switch (num_codecs) {
	case 2:
		ret = snd_soc_dapm_new_controls(dapm, realtek_2spk_widgets,
						ARRAY_SIZE(realtek_2spk_widgets));
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1015 widgets, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_add_card_controls(card, realtek_2spk_kcontrols,
						ARRAY_SIZE(realtek_2spk_kcontrols));
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1015 kcontrols, ret %d\n",
				ret);
			return ret;
		}

		ret = snd_soc_dapm_add_routes(dapm, speaker_map_lr,
					      ARRAY_SIZE(speaker_map_lr));
		if (ret) {
			dev_err(rtd->dev, "fail to add rt1015 routes, ret %d\n",
				ret);
			return ret;
		}
		break;
	default:
		dev_err(rtd->dev, "rt1015: invalid num_codecs %d\n", num_codecs);
		return -EINVAL;
	}

	return ret;
}

void sof_rt1015_codec_conf(struct snd_soc_card *card)
{
	card->codec_conf = rt1015_amp_conf;
	card->num_configs = ARRAY_SIZE(rt1015_amp_conf);
}
EXPORT_SYMBOL_NS(sof_rt1015_codec_conf, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

void sof_rt1015_dai_link(struct snd_soc_dai_link *link)
{
	link->codecs = rt1015_components;
	link->num_codecs = ARRAY_SIZE(rt1015_components);
	link->init = speaker_codec_init_lr;
	link->ops = &rt1015_ops;
}
EXPORT_SYMBOL_NS(sof_rt1015_dai_link, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

/*
 * RT1308 audio amplifier
 */
static const struct snd_kcontrol_new rt1308_kcontrols[] = {
	SOC_DAPM_PIN_SWITCH("Speakers"),
};

static const struct snd_soc_dapm_widget rt1308_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Speakers", NULL),
};

static const struct snd_soc_dapm_route rt1308_dapm_routes[] = {
	/* speaker */
	{"Speakers", NULL, "SPOL"},
	{"Speakers", NULL, "SPOR"},
};

static struct snd_soc_dai_link_component rt1308_components[] = {
	{
		.name = RT1308_DEV0_NAME,
		.dai_name = RT1308_CODEC_DAI,
	}
};

static int rt1308_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, rt1308_dapm_widgets,
					ARRAY_SIZE(rt1308_dapm_widgets));
	if (ret) {
		dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_add_card_controls(card, rt1308_kcontrols,
					ARRAY_SIZE(rt1308_kcontrols));
	if (ret) {
		dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, rt1308_dapm_routes,
				      ARRAY_SIZE(rt1308_dapm_routes));

	if (ret)
		dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret);

	return ret;
}

static int rt1308_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
	int clk_id, clk_freq, pll_out;
	int ret;

	clk_id = RT1308_PLL_S_MCLK;
	/* get the tplg configured mclk. */
	clk_freq = sof_dai_get_mclk(rtd);

	pll_out = params_rate(params) * 512;

	/* Set rt1308 pll */
	ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
	if (ret < 0) {
		dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", ret);
		return ret;
	}

	/* Set rt1308 sysclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out,
				     SND_SOC_CLOCK_IN);
	if (ret < 0)
		dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", ret);

	return ret;
}

static const struct snd_soc_ops rt1308_ops = {
	.hw_params = rt1308_hw_params,
};

void sof_rt1308_dai_link(struct snd_soc_dai_link *link)
{
	link->codecs = rt1308_components;
	link->num_codecs = ARRAY_SIZE(rt1308_components);
	link->init = rt1308_init;
	link->ops = &rt1308_ops;
}
EXPORT_SYMBOL_NS(sof_rt1308_dai_link, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

/*
 * 2-amp Configuration for RT1019
 */

static const struct snd_soc_dapm_route rt1019p_dapm_routes[] = {
	/* speaker */
	{ "Left Spk", NULL, "Speaker" },
	{ "Right Spk", NULL, "Speaker" },
};

static struct snd_soc_dai_link_component rt1019p_components[] = {
	{
		.name = RT1019P_DEV0_NAME,
		.dai_name = RT1019P_CODEC_DAI,
	},
};

static int rt1019p_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, realtek_2spk_widgets,
					ARRAY_SIZE(realtek_2spk_widgets));
	if (ret) {
		dev_err(rtd->dev, "fail to add rt1019p widgets, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_add_card_controls(card, realtek_2spk_kcontrols,
					ARRAY_SIZE(realtek_2spk_kcontrols));
	if (ret) {
		dev_err(rtd->dev, "fail to add rt1019p kcontrols, ret %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, rt1019p_dapm_routes,
				      ARRAY_SIZE(rt1019p_dapm_routes));
	if (ret) {
		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
		return ret;
	}
	return ret;
}

void sof_rt1019p_dai_link(struct snd_soc_dai_link *link)
{
	link->codecs = rt1019p_components;
	link->num_codecs = ARRAY_SIZE(rt1019p_components);
	link->init = rt1019p_init;
}
EXPORT_SYMBOL_NS(sof_rt1019p_dai_link, "SND_SOC_INTEL_SOF_REALTEK_COMMON");

MODULE_DESCRIPTION("ASoC Intel SOF Realtek helpers");
MODULE_LICENSE("GPL");