summaryrefslogtreecommitdiffstats
path: root/sound/soc/qcom/sdm845.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sound/soc/qcom/sdm845.c607
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");