Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 607 insertions, 0 deletions

diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
new file mode 100644
index 000000000..d8d35563a
--- /dev/null
+++ b/sound/soc/qcom/sdm845.c
@@ -0,0 +1,607 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/jack.h>
+#include <sound/soc.h>
+#include <linux/soundwire/sdw.h>
+#include <uapi/linux/input-event-codes.h>
+#include "common.h"
+#include "qdsp6/q6afe.h"
+#include "../codecs/rt5663.h"
+
+#define DRIVER_NAME	"sdm845"
+#define DEFAULT_SAMPLE_RATE_48K		48000
+#define DEFAULT_MCLK_RATE		24576000
+#define TDM_BCLK_RATE		6144000
+#define MI2S_BCLK_RATE		1536000
+#define LEFT_SPK_TDM_TX_MASK    0x30
+#define RIGHT_SPK_TDM_TX_MASK   0xC0
+#define SPK_TDM_RX_MASK         0x03
+#define NUM_TDM_SLOTS           8
+#define SLIM_MAX_TX_PORTS 16
+#define SLIM_MAX_RX_PORTS 13
+#define WCD934X_DEFAULT_MCLK_RATE	9600000
+
+struct sdm845_snd_data {
+	struct snd_soc_jack jack;
+	bool jack_setup;
+	bool slim_port_setup;
+	bool stream_prepared[AFE_PORT_MAX];
+	struct snd_soc_card *card;
+	uint32_t pri_mi2s_clk_count;
+	uint32_t sec_mi2s_clk_count;
+	uint32_t quat_tdm_clk_count;
+	struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
+};
+
+static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
+
+static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream,
+				     struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai;
+	struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
+	u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
+	struct sdw_stream_runtime *sruntime;
+	u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
+	int ret = 0, i;
+
+	for_each_rtd_codec_dais(rtd, i, codec_dai) {
+		sruntime = snd_soc_dai_get_stream(codec_dai,
+						  substream->stream);
+		if (sruntime != ERR_PTR(-ENOTSUPP))
+			pdata->sruntime[cpu_dai->id] = sruntime;
+
+		ret = snd_soc_dai_get_channel_map(codec_dai,
+				&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
+
+		if (ret != 0 && ret != -ENOTSUPP) {
+			pr_err("failed to get codec chan map, err:%d\n", ret);
+			return ret;
+		} else if (ret == -ENOTSUPP) {
+			/* Ignore unsupported */
+			continue;
+		}
+
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
+							  rx_ch_cnt, rx_ch);
+		else
+			ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt,
+							  tx_ch, 0, NULL);
+	}
+
+	return 0;
+}
+
+static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
+					struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai;
+	int ret = 0, j;
+	int channels, slot_width;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		slot_width = 16;
+		break;
+	default:
+		dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
+				__func__, params_format(params));
+		return -EINVAL;
+	}
+
+	channels = params_channels(params);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
+				8, slot_width);
+		if (ret < 0) {
+			dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
+					__func__, ret);
+			goto end;
+		}
+
+		ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
+				channels, tdm_slot_offset);
+		if (ret < 0) {
+			dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
+					__func__, ret);
+			goto end;
+		}
+	} else {
+		ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
+				8, slot_width);
+		if (ret < 0) {
+			dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
+					__func__, ret);
+			goto end;
+		}
+
+		ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
+				tdm_slot_offset, 0, NULL);
+		if (ret < 0) {
+			dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
+					__func__, ret);
+			goto end;
+		}
+	}
+
+	for_each_rtd_codec_dais(rtd, j, codec_dai) {
+
+		if (!strcmp(codec_dai->component->name_prefix, "Left")) {
+			ret = snd_soc_dai_set_tdm_slot(
+					codec_dai, LEFT_SPK_TDM_TX_MASK,
+					SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
+					slot_width);
+			if (ret < 0) {
+				dev_err(rtd->dev,
+					"DEV0 TDM slot err:%d\n", ret);
+				return ret;
+			}
+		}
+
+		if (!strcmp(codec_dai->component->name_prefix, "Right")) {
+			ret = snd_soc_dai_set_tdm_slot(
+					codec_dai, RIGHT_SPK_TDM_TX_MASK,
+					SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
+					slot_width);
+			if (ret < 0) {
+				dev_err(rtd->dev,
+					"DEV1 TDM slot err:%d\n", ret);
+				return ret;
+			}
+		}
+	}
+
+end:
+	return ret;
+}
+
+static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
+					struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int ret = 0;
+
+	switch (cpu_dai->id) {
+	case PRIMARY_MI2S_RX:
+	case PRIMARY_MI2S_TX:
+		/*
+		 * Use ASRC for internal clocks, as PLL rate isn't multiple
+		 * of BCLK.
+		 */
+		rt5663_sel_asrc_clk_src(
+			codec_dai->component,
+			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
+			RT5663_CLK_SEL_I2S1_ASRC);
+		ret = snd_soc_dai_set_sysclk(
+			codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
+			SND_SOC_CLOCK_IN);
+		if (ret < 0)
+			dev_err(rtd->dev,
+				"snd_soc_dai_set_sysclk err = %d\n", ret);
+		break;
+	case QUATERNARY_TDM_RX_0:
+	case QUATERNARY_TDM_TX_0:
+		ret = sdm845_tdm_snd_hw_params(substream, params);
+		break;
+	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+		ret = sdm845_slim_snd_hw_params(substream, params);
+		break;
+	case QUATERNARY_MI2S_RX:
+		break;
+	default:
+		pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
+		break;
+	}
+	return ret;
+}
+
+static void sdm845_jack_free(struct snd_jack *jack)
+{
+	struct snd_soc_component *component = jack->private_data;
+
+	snd_soc_component_set_jack(component, NULL, NULL);
+}
+
+static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *component;
+	struct snd_soc_card *card = rtd->card;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai_link *link = rtd->dai_link;
+	struct snd_jack *jack;
+	/*
+	 * Codec SLIMBUS configuration
+	 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
+	 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
+	 * TX14, TX15, TX16
+	 */
+	unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
+					150, 151, 152, 153, 154, 155, 156};
+	unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
+					    134, 135, 136, 137, 138, 139,
+					    140, 141, 142, 143};
+	int rval, i;
+
+
+	if (!pdata->jack_setup) {
+		rval = snd_soc_card_jack_new(card, "Headset Jack",
+				SND_JACK_HEADSET |
+				SND_JACK_HEADPHONE |
+				SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				SND_JACK_BTN_2 | SND_JACK_BTN_3,
+				&pdata->jack);
+
+		if (rval < 0) {
+			dev_err(card->dev, "Unable to add Headphone Jack\n");
+			return rval;
+		}
+
+		jack = pdata->jack.jack;
+
+		snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+		snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+		snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+		snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+		pdata->jack_setup = true;
+	}
+
+	switch (cpu_dai->id) {
+	case PRIMARY_MI2S_RX:
+		jack  = pdata->jack.jack;
+		component = codec_dai->component;
+
+		jack->private_data = component;
+		jack->private_free = sdm845_jack_free;
+		rval = snd_soc_component_set_jack(component,
+						  &pdata->jack, NULL);
+		if (rval != 0 && rval != -ENOTSUPP) {
+			dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+			return rval;
+		}
+		break;
+	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+		/* setting up wcd multiple times for slim port is redundant */
+		if (pdata->slim_port_setup || !link->no_pcm)
+			return 0;
+
+		for_each_rtd_codec_dais(rtd, i, codec_dai) {
+			rval = snd_soc_dai_set_channel_map(codec_dai,
+							  ARRAY_SIZE(tx_ch),
+							  tx_ch,
+							  ARRAY_SIZE(rx_ch),
+							  rx_ch);
+			if (rval != 0 && rval != -ENOTSUPP)
+				return rval;
+
+			snd_soc_dai_set_sysclk(codec_dai, 0,
+					       WCD934X_DEFAULT_MCLK_RATE,
+					       SNDRV_PCM_STREAM_PLAYBACK);
+
+			rval = snd_soc_component_set_jack(codec_dai->component,
+							  &pdata->jack, NULL);
+			if (rval != 0 && rval != -ENOTSUPP) {
+				dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+				return rval;
+			}
+		}
+
+		pdata->slim_port_setup = true;
+
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+static int sdm845_snd_startup(struct snd_pcm_substream *substream)
+{
+	unsigned int fmt = SND_SOC_DAIFMT_BP_FP;
+	unsigned int codec_dai_fmt = SND_SOC_DAIFMT_BC_FC;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int j;
+	int ret;
+
+	switch (cpu_dai->id) {
+	case PRIMARY_MI2S_RX:
+	case PRIMARY_MI2S_TX:
+		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
+		if (++(data->pri_mi2s_clk_count) == 1) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_MCLK_1,
+				DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
+				MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+		}
+		snd_soc_dai_set_fmt(cpu_dai, fmt);
+		snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
+		break;
+
+	case SECONDARY_MI2S_TX:
+		codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
+		if (++(data->sec_mi2s_clk_count) == 1) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
+				MI2S_BCLK_RATE,	SNDRV_PCM_STREAM_CAPTURE);
+		}
+		snd_soc_dai_set_fmt(cpu_dai, fmt);
+		snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
+		break;
+	case QUATERNARY_MI2S_RX:
+		snd_soc_dai_set_sysclk(cpu_dai,
+			Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
+			MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+		snd_soc_dai_set_fmt(cpu_dai, fmt);
+
+
+		break;
+
+	case QUATERNARY_TDM_RX_0:
+	case QUATERNARY_TDM_TX_0:
+		if (++(data->quat_tdm_clk_count) == 1) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
+				TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+		}
+
+		codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
+
+		for_each_rtd_codec_dais(rtd, j, codec_dai) {
+
+			if (!strcmp(codec_dai->component->name_prefix,
+				    "Left")) {
+				ret = snd_soc_dai_set_fmt(
+						codec_dai, codec_dai_fmt);
+				if (ret < 0) {
+					dev_err(rtd->dev,
+						"Left TDM fmt err:%d\n", ret);
+					return ret;
+				}
+			}
+
+			if (!strcmp(codec_dai->component->name_prefix,
+				    "Right")) {
+				ret = snd_soc_dai_set_fmt(
+						codec_dai, codec_dai_fmt);
+				if (ret < 0) {
+					dev_err(rtd->dev,
+						"Right TDM slot err:%d\n", ret);
+					return ret;
+				}
+			}
+		}
+		break;
+	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+		break;
+
+	default:
+		pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
+		break;
+	}
+	return 0;
+}
+
+static void  sdm845_snd_shutdown(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+	switch (cpu_dai->id) {
+	case PRIMARY_MI2S_RX:
+	case PRIMARY_MI2S_TX:
+		if (--(data->pri_mi2s_clk_count) == 0) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_MCLK_1,
+				0, SNDRV_PCM_STREAM_PLAYBACK);
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
+				0, SNDRV_PCM_STREAM_PLAYBACK);
+		}
+		break;
+
+	case SECONDARY_MI2S_TX:
+		if (--(data->sec_mi2s_clk_count) == 0) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
+				0, SNDRV_PCM_STREAM_CAPTURE);
+		}
+		break;
+
+	case QUATERNARY_TDM_RX_0:
+	case QUATERNARY_TDM_TX_0:
+		if (--(data->quat_tdm_clk_count) == 0) {
+			snd_soc_dai_set_sysclk(cpu_dai,
+				Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
+				0, SNDRV_PCM_STREAM_PLAYBACK);
+		}
+		break;
+	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+	case QUATERNARY_MI2S_RX:
+		break;
+
+	default:
+		pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
+		break;
+	}
+}
+
+static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+	int ret;
+
+	if (!sruntime)
+		return 0;
+
+	if (data->stream_prepared[cpu_dai->id]) {
+		sdw_disable_stream(sruntime);
+		sdw_deprepare_stream(sruntime);
+		data->stream_prepared[cpu_dai->id] = false;
+	}
+
+	ret = sdw_prepare_stream(sruntime);
+	if (ret)
+		return ret;
+
+	/**
+	 * NOTE: there is a strict hw requirement about the ordering of port
+	 * enables and actual WSA881x PA enable. PA enable should only happen
+	 * after soundwire ports are enabled if not DC on the line is
+	 * accumulated resulting in Click/Pop Noise
+	 * PA enable/mute are handled as part of codec DAPM and digital mute.
+	 */
+
+	ret = sdw_enable_stream(sruntime);
+	if (ret) {
+		sdw_deprepare_stream(sruntime);
+		return ret;
+	}
+	data->stream_prepared[cpu_dai->id] = true;
+
+	return ret;
+}
+
+static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+
+	if (sruntime && data->stream_prepared[cpu_dai->id]) {
+		sdw_disable_stream(sruntime);
+		sdw_deprepare_stream(sruntime);
+		data->stream_prepared[cpu_dai->id] = false;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_ops sdm845_be_ops = {
+	.hw_params = sdm845_snd_hw_params,
+	.hw_free = sdm845_snd_hw_free,
+	.prepare = sdm845_snd_prepare,
+	.startup = sdm845_snd_startup,
+	.shutdown = sdm845_snd_shutdown,
+};
+
+static int sdm845_be_hw_params_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);
+	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+	rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
+	channels->min = channels->max = 2;
+	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_SPK("Left Spk", NULL),
+	SND_SOC_DAPM_SPK("Right Spk", NULL),
+	SND_SOC_DAPM_MIC("Int Mic", NULL),
+};
+
+static void sdm845_add_ops(struct snd_soc_card *card)
+{
+	struct snd_soc_dai_link *link;
+	int i;
+
+	for_each_card_prelinks(card, i, link) {
+		if (link->no_pcm == 1) {
+			link->ops = &sdm845_be_ops;
+			link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
+		}
+		link->init = sdm845_dai_init;
+	}
+}
+
+static int sdm845_snd_platform_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card;
+	struct sdm845_snd_data *data;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
+	/* Allocate the private data */
+	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	card->driver_name = DRIVER_NAME;
+	card->dapm_widgets = sdm845_snd_widgets;
+	card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	dev_set_drvdata(dev, card);
+	ret = qcom_snd_parse_of(card);
+	if (ret)
+		return ret;
+
+	data->card = card;
+	snd_soc_card_set_drvdata(card, data);
+
+	sdm845_add_ops(card);
+	return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id sdm845_snd_device_id[]  = {
+	{ .compatible = "qcom,sdm845-sndcard" },
+	{ .compatible = "qcom,db845c-sndcard" },
+	{ .compatible = "lenovo,yoga-c630-sndcard" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
+
+static struct platform_driver sdm845_snd_driver = {
+	.probe = sdm845_snd_platform_probe,
+	.driver = {
+		.name = "msm-snd-sdm845",
+		.of_match_table = sdm845_snd_device_id,
+	},
+};
+module_platform_driver(sdm845_snd_driver);
+
+MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");