diff --git a/asoc/sdm855.c b/asoc/sdm855.c
new file mode 100644
index 000000000000..0acd7b7bf7f4
--- /dev/null
+++ b/asoc/sdm855.c
@@ -0,0 +1,1174 @@
+/* Copyright (c) 2016-2018, The Linux Foundation. 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 and
+ * only 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/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/of_device.h>
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <dsp/audio_notifier.h>
+#include <dsp/q6afe-v2.h>
+#include <dsp/q6core.h>
+#include "device_event.h"
+#include "msm-pcm-routing-v2.h"
+#include "codecs/wsa881x.h"
+
+#define DRV_NAME "sdm855-asoc-snd"
+
+#define __CHIPSET__ "SDM855 "
+#define MSM_DAILINK_NAME(name) (__CHIPSET__#name)
+
+#define DEV_NAME_STR_LEN 32
+
+#define SAMPLING_RATE_8KHZ 8000
+#define SAMPLING_RATE_11P025KHZ 11025
+#define SAMPLING_RATE_16KHZ 16000
+#define SAMPLING_RATE_22P05KHZ 22050
+#define SAMPLING_RATE_32KHZ 32000
+#define SAMPLING_RATE_44P1KHZ 44100
+#define SAMPLING_RATE_48KHZ 48000
+#define SAMPLING_RATE_88P2KHZ 88200
+#define SAMPLING_RATE_96KHZ 96000
+#define SAMPLING_RATE_176P4KHZ 176400
+#define SAMPLING_RATE_192KHZ 192000
+#define SAMPLING_RATE_352P8KHZ 352800
+#define SAMPLING_RATE_384KHZ 384000
+
+struct msm_wsa881x_dev_info {
+ struct device_node *of_node;
+ u32 index;
+};
+
+struct msm_asoc_mach_data {
+ u32 mclk_freq;
+ struct snd_info_entry *codec_root;
+};
+
+struct dev_config {
+ u32 sample_rate;
+ u32 bit_format;
+ u32 channels;
+};
+
+static struct platform_device *spdev;
+
+static struct snd_soc_aux_dev *msm_aux_dev;
+static struct snd_soc_codec_conf *msm_codec_conf;
+
+enum {
+ SLIM_RX_0 = 0,
+ SLIM_RX_MAX,
+};
+
+enum {
+ SLIM_TX_0 = 0,
+ SLIM_TX_MAX,
+};
+
+/* Default configuration of slimbus channels */
+static struct dev_config slim_rx_cfg[] = {
+ [SLIM_RX_0] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
+static struct dev_config slim_tx_cfg[] = {
+ [SLIM_TX_0] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
+static const char *const slim_rx_ch_text[] = {"One", "Two"};
+static const char *const slim_tx_ch_text[] = {"One", "Two", "Three", "Four",
+ "Five", "Six", "Seven",
+ "Eight"};
+static char const *slim_sample_rate_text[] = {"KHZ_8", "KHZ_16",
+ "KHZ_32", "KHZ_44P1", "KHZ_48",
+ "KHZ_88P2", "KHZ_96", "KHZ_176P4",
+ "KHZ_192", "KHZ_352P8", "KHZ_384"};
+static char const *bit_format_text[] = {"S16_LE", "S24_LE", "S24_3LE",
+ "S32_LE"};
+
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_rx_chs, slim_rx_ch_text);
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_tx_chs, slim_tx_ch_text);
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_rx_format, bit_format_text);
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_tx_format, bit_format_text);
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_rx_sample_rate, slim_sample_rate_text);
+static SOC_ENUM_SINGLE_EXT_DECL(slim_0_tx_sample_rate, slim_sample_rate_text);
+
+static int slim_get_sample_rate_val(int sample_rate)
+{
+ int sample_rate_val = 0;
+
+ switch (sample_rate) {
+ case SAMPLING_RATE_8KHZ:
+ sample_rate_val = 0;
+ break;
+ case SAMPLING_RATE_16KHZ:
+ sample_rate_val = 1;
+ break;
+ case SAMPLING_RATE_32KHZ:
+ sample_rate_val = 2;
+ break;
+ case SAMPLING_RATE_44P1KHZ:
+ sample_rate_val = 3;
+ break;
+ case SAMPLING_RATE_48KHZ:
+ sample_rate_val = 4;
+ break;
+ case SAMPLING_RATE_88P2KHZ:
+ sample_rate_val = 5;
+ break;
+ case SAMPLING_RATE_96KHZ:
+ sample_rate_val = 6;
+ break;
+ case SAMPLING_RATE_176P4KHZ:
+ sample_rate_val = 7;
+ break;
+ case SAMPLING_RATE_192KHZ:
+ sample_rate_val = 8;
+ break;
+ case SAMPLING_RATE_352P8KHZ:
+ sample_rate_val = 9;
+ break;
+ case SAMPLING_RATE_384KHZ:
+ sample_rate_val = 10;
+ break;
+ default:
+ sample_rate_val = 4;
+ break;
+ }
+ return sample_rate_val;
+}
+
+static int slim_get_sample_rate(int value)
+{
+ int sample_rate = 0;
+
+ switch (value) {
+ case 0:
+ sample_rate = SAMPLING_RATE_8KHZ;
+ break;
+ case 1:
+ sample_rate = SAMPLING_RATE_16KHZ;
+ break;
+ case 2:
+ sample_rate = SAMPLING_RATE_32KHZ;
+ break;
+ case 3:
+ sample_rate = SAMPLING_RATE_44P1KHZ;
+ break;
+ case 4:
+ sample_rate = SAMPLING_RATE_48KHZ;
+ break;
+ case 5:
+ sample_rate = SAMPLING_RATE_88P2KHZ;
+ break;
+ case 6:
+ sample_rate = SAMPLING_RATE_96KHZ;
+ break;
+ case 7:
+ sample_rate = SAMPLING_RATE_176P4KHZ;
+ break;
+ case 8:
+ sample_rate = SAMPLING_RATE_192KHZ;
+ break;
+ case 9:
+ sample_rate = SAMPLING_RATE_352P8KHZ;
+ break;
+ case 10:
+ sample_rate = SAMPLING_RATE_384KHZ;
+ break;
+ default:
+ sample_rate = SAMPLING_RATE_48KHZ;
+ break;
+ }
+ return sample_rate;
+}
+
+static int slim_get_bit_format_val(int bit_format)
+{
+ int val = 0;
+
+ switch (bit_format) {
+ case SNDRV_PCM_FORMAT_S32_LE:
+ val = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ val = 2;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ val = 1;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ default:
+ val = 0;
+ break;
+ }
+ return val;
+}
+
+static int slim_get_bit_format(int val)
+{
+ int bit_fmt = SNDRV_PCM_FORMAT_S16_LE;
+
+ switch (val) {
+ case 0:
+ bit_fmt = SNDRV_PCM_FORMAT_S16_LE;
+ break;
+ case 1:
+ bit_fmt = SNDRV_PCM_FORMAT_S24_LE;
+ break;
+ case 2:
+ bit_fmt = SNDRV_PCM_FORMAT_S24_3LE;
+ break;
+ case 3:
+ bit_fmt = SNDRV_PCM_FORMAT_S32_LE;
+ break;
+ default:
+ bit_fmt = SNDRV_PCM_FORMAT_S16_LE;
+ break;
+ }
+ return bit_fmt;
+}
+
+static int slim_get_port_idx(struct snd_kcontrol *kcontrol)
+{
+ int port_id = 0;
+
+ if (strnstr(kcontrol->id.name, "SLIM_0_RX", sizeof("SLIM_0_RX"))) {
+ port_id = SLIM_RX_0;
+ } else if (strnstr(kcontrol->id.name,
+ "SLIM_0_TX", sizeof("SLIM_0_TX"))) {
+ port_id = SLIM_TX_0;
+ } else {
+ pr_err("%s: unsupported channel: %s",
+ __func__, kcontrol->id.name);
+ return -EINVAL;
+ }
+
+ return port_id;
+}
+
+static int slim_rx_sample_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ ucontrol->value.enumerated.item[0] =
+ slim_get_sample_rate_val(slim_rx_cfg[ch_num].sample_rate);
+
+ pr_debug("%s: slim[%d]_rx_sample_rate = %d, item = %d\n", __func__,
+ ch_num, slim_rx_cfg[ch_num].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_rx_sample_rate_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ slim_rx_cfg[ch_num].sample_rate =
+ slim_get_sample_rate(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: slim[%d]_rx_sample_rate = %d, item = %d\n", __func__,
+ ch_num, slim_rx_cfg[ch_num].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_tx_sample_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ ucontrol->value.enumerated.item[0] =
+ slim_get_sample_rate_val(slim_tx_cfg[ch_num].sample_rate);
+
+ pr_debug("%s: slim[%d]_tx_sample_rate = %d, item = %d\n", __func__,
+ ch_num, slim_tx_cfg[ch_num].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_tx_sample_rate_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int sample_rate = 0;
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ sample_rate = slim_get_sample_rate(ucontrol->value.enumerated.item[0]);
+ if (sample_rate == SAMPLING_RATE_44P1KHZ) {
+ pr_err("%s: Unsupported sample rate %d: for Tx path\n",
+ __func__, sample_rate);
+ return -EINVAL;
+ }
+ slim_tx_cfg[ch_num].sample_rate = sample_rate;
+
+ pr_debug("%s: slim[%d]_tx_sample_rate = %d, value = %d\n", __func__,
+ ch_num, slim_tx_cfg[ch_num].sample_rate,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_rx_bit_format_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ ucontrol->value.enumerated.item[0] =
+ slim_get_bit_format_val(slim_rx_cfg[ch_num].bit_format);
+
+ pr_debug("%s: slim[%d]_rx_bit_format = %d, ucontrol value = %d\n",
+ __func__, ch_num, slim_rx_cfg[ch_num].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_rx_bit_format_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ slim_rx_cfg[ch_num].bit_format =
+ slim_get_bit_format(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: slim[%d]_rx_bit_format = %d, ucontrol value = %d\n",
+ __func__, ch_num, slim_rx_cfg[ch_num].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_tx_bit_format_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ ucontrol->value.enumerated.item[0] =
+ slim_get_bit_format_val(slim_tx_cfg[ch_num].bit_format);
+
+ pr_debug("%s: slim[%d]_tx_bit_format = %d, ucontrol value = %d\n",
+ __func__, ch_num, slim_tx_cfg[ch_num].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_tx_bit_format_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ slim_tx_cfg[ch_num].bit_format =
+ slim_get_bit_format(ucontrol->value.enumerated.item[0]);
+
+ pr_debug("%s: slim[%d]_tx_bit_format = %d, ucontrol value = %d\n",
+ __func__, ch_num, slim_tx_cfg[ch_num].bit_format,
+ ucontrol->value.enumerated.item[0]);
+
+ return 0;
+}
+
+static int slim_rx_ch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ pr_debug("%s: msm_slim_[%d]_rx_ch = %d\n", __func__,
+ ch_num, slim_rx_cfg[ch_num].channels);
+ ucontrol->value.enumerated.item[0] = slim_rx_cfg[ch_num].channels - 1;
+
+ return 0;
+}
+
+static int slim_rx_ch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ slim_rx_cfg[ch_num].channels = ucontrol->value.enumerated.item[0] + 1;
+ pr_debug("%s: msm_slim_[%d]_rx_ch = %d\n", __func__,
+ ch_num, slim_rx_cfg[ch_num].channels);
+
+ return 1;
+}
+
+static int slim_tx_ch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ pr_debug("%s: msm_slim_[%d]_tx_ch = %d\n", __func__,
+ ch_num, slim_tx_cfg[ch_num].channels);
+ ucontrol->value.enumerated.item[0] = slim_tx_cfg[ch_num].channels - 1;
+
+ return 0;
+}
+
+static int slim_tx_ch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ch_num = slim_get_port_idx(kcontrol);
+
+ if (ch_num < 0)
+ return ch_num;
+
+ slim_tx_cfg[ch_num].channels = ucontrol->value.enumerated.item[0] + 1;
+ pr_debug("%s: msm_slim_[%d]_tx_ch = %d\n", __func__,
+ ch_num, slim_tx_cfg[ch_num].channels);
+
+ return 1;
+}
+
+static const struct snd_kcontrol_new msm_snd_controls[] = {
+ SOC_ENUM_EXT("SLIM_0_RX Channels", slim_0_rx_chs,
+ slim_rx_ch_get, slim_rx_ch_put),
+ SOC_ENUM_EXT("SLIM_0_TX Channels", slim_0_tx_chs,
+ slim_tx_ch_get, slim_tx_ch_put),
+ SOC_ENUM_EXT("SLIM_0_RX Format", slim_0_rx_format,
+ slim_rx_bit_format_get, slim_rx_bit_format_put),
+ SOC_ENUM_EXT("SLIM_0_TX Format", slim_0_tx_format,
+ slim_tx_bit_format_get, slim_tx_bit_format_put),
+ SOC_ENUM_EXT("SLIM_0_RX SampleRate", slim_0_rx_sample_rate,
+ slim_rx_sample_rate_get, slim_rx_sample_rate_put),
+ SOC_ENUM_EXT("SLIM_0_TX SampleRate", slim_0_tx_sample_rate,
+ slim_tx_sample_rate_get, slim_tx_sample_rate_put),
+};
+
+static inline int param_is_mask(int p)
+{
+ return (p >= SNDRV_PCM_HW_PARAM_FIRST_MASK) &&
+ (p <= SNDRV_PCM_HW_PARAM_LAST_MASK);
+}
+
+static inline struct snd_mask *param_to_mask(struct snd_pcm_hw_params *p,
+ int n)
+{
+ return &(p->masks[n - SNDRV_PCM_HW_PARAM_FIRST_MASK]);
+}
+
+static void param_set_mask(struct snd_pcm_hw_params *p, int n,
+ unsigned int bit)
+{
+ if (bit >= SNDRV_MASK_MAX)
+ return;
+ if (param_is_mask(n)) {
+ struct snd_mask *m = param_to_mask(p, n);
+
+ m->bits[0] = 0;
+ m->bits[1] = 0;
+ m->bits[bit >> 5] |= (1 << (bit & 31));
+ }
+}
+
+static int msm_slim_get_ch_from_beid(int32_t be_id)
+{
+ int ch_id = 0;
+
+ switch (be_id) {
+ case MSM_BACKEND_DAI_SLIMBUS_0_RX:
+ ch_id = SLIM_RX_0;
+ break;
+ case MSM_BACKEND_DAI_SLIMBUS_0_TX:
+ ch_id = SLIM_TX_0;
+ break;
+ default:
+ ch_id = SLIM_RX_0;
+ break;
+ }
+
+ return ch_id;
+}
+
+static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+ 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);
+ int rc = 0;
+ int idx;
+
+ pr_debug("%s: format = %d, rate = %d\n",
+ __func__, params_format(params), params_rate(params));
+
+ switch (dai_link->id) {
+ case MSM_BACKEND_DAI_SLIMBUS_0_RX:
+ idx = msm_slim_get_ch_from_beid(dai_link->id);
+ param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
+ slim_rx_cfg[idx].bit_format);
+ rate->min = rate->max = slim_rx_cfg[idx].sample_rate;
+ channels->min = channels->max = slim_rx_cfg[idx].channels;
+ break;
+ case MSM_BACKEND_DAI_SLIMBUS_0_TX:
+ idx = msm_slim_get_ch_from_beid(dai_link->id);
+ param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
+ slim_tx_cfg[idx].bit_format);
+ rate->min = rate->max = slim_tx_cfg[idx].sample_rate;
+ channels->min = channels->max = slim_tx_cfg[idx].channels;
+ break;
+ default:
+ rate->min = rate->max = SAMPLING_RATE_48KHZ;
+ break;
+ }
+
+ return rc;
+}
+
+static int msm_populate_dai_link_component_of_node(
+ struct snd_soc_card *card)
+{
+ int i, index, ret = 0;
+ struct device *cdev = card->dev;
+ struct snd_soc_dai_link *dai_link = card->dai_link;
+ struct device_node *np;
+
+ if (!cdev) {
+ pr_err("%s: Sound card device memory NULL\n", __func__);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < card->num_links; i++) {
+ if (dai_link[i].platform_of_node && dai_link[i].cpu_of_node)
+ continue;
+
+ /* populate platform_of_node for snd card dai links */
+ if (dai_link[i].platform_name &&
+ !dai_link[i].platform_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-platform-names",
+ dai_link[i].platform_name);
+ if (index < 0) {
+ pr_err("%s: No match found for platform name: %s\n",
+ __func__, dai_link[i].platform_name);
+ ret = index;
+ goto err;
+ }
+ np = of_parse_phandle(cdev->of_node, "asoc-platform",
+ index);
+ if (!np) {
+ pr_err("%s: retrieving phandle for platform %s, index %d failed\n",
+ __func__, dai_link[i].platform_name,
+ index);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].platform_of_node = np;
+ dai_link[i].platform_name = NULL;
+ }
+
+ /* populate cpu_of_node for snd card dai links */
+ if (dai_link[i].cpu_dai_name && !dai_link[i].cpu_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-cpu-names",
+ dai_link[i].cpu_dai_name);
+ if (index >= 0) {
+ np = of_parse_phandle(cdev->of_node, "asoc-cpu",
+ index);
+ if (!np) {
+ pr_err("%s: retrieving phandle for cpu dai %s failed\n",
+ __func__,
+ dai_link[i].cpu_dai_name);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].cpu_of_node = np;
+ dai_link[i].cpu_dai_name = NULL;
+ }
+ }
+
+ /* populate codec_of_node for snd card dai links */
+ if (dai_link[i].codec_name && !dai_link[i].codec_of_node) {
+ index = of_property_match_string(cdev->of_node,
+ "asoc-codec-names",
+ dai_link[i].codec_name);
+ if (index < 0)
+ continue;
+ np = of_parse_phandle(cdev->of_node, "asoc-codec",
+ index);
+ if (!np) {
+ pr_err("%s: retrieving phandle for codec %s failed\n",
+ __func__, dai_link[i].codec_name);
+ ret = -ENODEV;
+ goto err;
+ }
+ dai_link[i].codec_of_node = np;
+ dai_link[i].codec_name = NULL;
+ }
+ }
+
+err:
+ return ret;
+}
+
+static int msm_audrx_stub_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret = 0;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ ret = snd_soc_add_codec_controls(codec, msm_snd_controls,
+ ARRAY_SIZE(msm_snd_controls));
+ if (ret < 0) {
+ dev_err(codec->dev,
+ "%s: add_codec_controls failed, err = %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int msm_snd_stub_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 *cpu_dai = rtd->cpu_dai;
+
+ int ret = 0;
+ unsigned int rx_ch[] = {144, 145, 146, 147, 148, 149, 150,
+ 151};
+ unsigned int tx_ch[] = {128, 129, 130, 131, 132, 133,
+ 134, 135, 136, 137, 138, 139,
+ 140, 141, 142, 143};
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ ret = snd_soc_dai_set_channel_map(cpu_dai, 0, 0,
+ slim_rx_cfg[SLIM_RX_0].channels,
+ rx_ch);
+ if (ret < 0)
+ pr_err("%s: RX failed to set cpu chan map error %d\n",
+ __func__, ret);
+ } else {
+ ret = snd_soc_dai_set_channel_map(cpu_dai,
+ slim_tx_cfg[SLIM_TX_0].channels,
+ tx_ch, 0, 0);
+ if (ret < 0)
+ pr_err("%s: TX failed to set cpu chan map error %d\n",
+ __func__, ret);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_ops msm_stub_be_ops = {
+ .hw_params = msm_snd_stub_hw_params,
+};
+
+static struct snd_soc_dai_link msm_stub_fe_dai_links[] = {
+
+ /* FrontEnd DAI Links */
+ {
+ .name = "MSMSTUB Media1",
+ .stream_name = "MultiMedia1",
+ .cpu_dai_name = "MultiMedia1",
+ .platform_name = "msm-pcm-dsp.0",
+ .dynamic = 1,
+ .async_ops = ASYNC_DPCM_SND_SOC_PREPARE,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .codec_name = "snd-soc-dummy",
+ .ignore_suspend = 1,
+ /* this dainlink has playback support */
+ .ignore_pmdown_time = 1,
+ .id = MSM_FRONTEND_DAI_MULTIMEDIA1
+ },
+};
+
+static struct snd_soc_dai_link msm_stub_be_dai_links[] = {
+
+ /* Backend DAI Links */
+ {
+ .name = LPASS_BE_SLIMBUS_0_RX,
+ .stream_name = "Slimbus Playback",
+ .cpu_dai_name = "msm-dai-q6-dev.16384",
+ .platform_name = "msm-pcm-routing",
+ .codec_name = "msm-stub-codec.1",
+ .codec_dai_name = "msm-stub-rx",
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .id = MSM_BACKEND_DAI_SLIMBUS_0_RX,
+ .init = &msm_audrx_stub_init,
+ .be_hw_params_fixup = msm_be_hw_params_fixup,
+ .ignore_pmdown_time = 1, /* dai link has playback support */
+ .ignore_suspend = 1,
+ .ops = &msm_stub_be_ops,
+ },
+ {
+ .name = LPASS_BE_SLIMBUS_0_TX,
+ .stream_name = "Slimbus Capture",
+ .cpu_dai_name = "msm-dai-q6-dev.16385",
+ .platform_name = "msm-pcm-routing",
+ .codec_name = "msm-stub-codec.1",
+ .codec_dai_name = "msm-stub-tx",
+ .no_pcm = 1,
+ .dpcm_capture = 1,
+ .id = MSM_BACKEND_DAI_SLIMBUS_0_TX,
+ .be_hw_params_fixup = msm_be_hw_params_fixup,
+ .ignore_suspend = 1,
+ .ops = &msm_stub_be_ops,
+ },
+};
+
+static struct snd_soc_dai_link msm_stub_dai_links[
+ ARRAY_SIZE(msm_stub_fe_dai_links) +
+ ARRAY_SIZE(msm_stub_be_dai_links)];
+
+struct snd_soc_card snd_soc_card_stub_msm = {
+ .name = "sdm855-stub-snd-card",
+};
+
+static const struct of_device_id sdm855_asoc_machine_of_match[] = {
+ { .compatible = "qcom,sdm855-asoc-snd-stub",
+ .data = "stub_codec"},
+ {},
+};
+
+static int sdm855_notifier_service_cb(struct notifier_block *this,
+ unsigned long opcode, void *ptr)
+{
+ return NOTIFY_OK;
+}
+
+static struct notifier_block service_nb = {
+ .notifier_call = sdm855_notifier_service_cb,
+ .priority = -INT_MAX,
+};
+
+static struct snd_soc_card *populate_snd_card_dailinks(struct device *dev)
+{
+ struct snd_soc_card *card = NULL;
+ struct snd_soc_dai_link *dailink;
+ int len_1, len_2;
+ int total_links;
+ const struct of_device_id *match;
+
+ match = of_match_node(sdm855_asoc_machine_of_match, dev->of_node);
+ if (!match) {
+ dev_err(dev, "%s: No DT match found for sound card\n",
+ __func__);
+ return NULL;
+ }
+
+ if (!strcmp(match->data, "stub_codec")) {
+ card = &snd_soc_card_stub_msm;
+ len_1 = ARRAY_SIZE(msm_stub_fe_dai_links);
+ len_2 = len_1 + ARRAY_SIZE(msm_stub_be_dai_links);
+
+ memcpy(msm_stub_dai_links,
+ msm_stub_fe_dai_links,
+ sizeof(msm_stub_fe_dai_links));
+ memcpy(msm_stub_dai_links + len_1,
+ msm_stub_be_dai_links,
+ sizeof(msm_stub_be_dai_links));
+
+ dailink = msm_stub_dai_links;
+ total_links = len_2;
+ }
+
+ if (card) {
+ card->dai_link = dailink;
+ card->num_links = total_links;
+ }
+
+ return card;
+}
+
+static int msm_wsa881x_init(struct snd_soc_component *component)
+{
+ u8 spkleft_ports[WSA881X_MAX_SWR_PORTS] = {100, 101, 102, 106};
+ u8 spkright_ports[WSA881X_MAX_SWR_PORTS] = {103, 104, 105, 107};
+ unsigned int ch_rate[WSA881X_MAX_SWR_PORTS] = {2400, 600, 300, 1200};
+ unsigned int ch_mask[WSA881X_MAX_SWR_PORTS] = {0x1, 0xF, 0x3, 0x3};
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+ struct msm_asoc_mach_data *pdata;
+ struct snd_soc_dapm_context *dapm;
+ int ret = 0;
+
+ if (!codec) {
+ pr_err("%s codec is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ dapm = snd_soc_codec_get_dapm(codec);
+
+ if (!strcmp(component->name_prefix, "SpkrLeft")) {
+ dev_dbg(codec->dev, "%s: setting left ch map to codec %s\n",
+ __func__, codec->component.name);
+ wsa881x_set_channel_map(codec, &spkleft_ports[0],
+ WSA881X_MAX_SWR_PORTS, &ch_mask[0],
+ &ch_rate[0]);
+ if (dapm->component) {
+ snd_soc_dapm_ignore_suspend(dapm, "SpkrLeft IN");
+ snd_soc_dapm_ignore_suspend(dapm, "SpkrLeft SPKR");
+ }
+ } else if (!strcmp(component->name_prefix, "SpkrRight")) {
+ dev_dbg(codec->dev, "%s: setting right ch map to codec %s\n",
+ __func__, codec->component.name);
+ wsa881x_set_channel_map(codec, &spkright_ports[0],
+ WSA881X_MAX_SWR_PORTS, &ch_mask[0],
+ &ch_rate[0]);
+ if (dapm->component) {
+ snd_soc_dapm_ignore_suspend(dapm, "SpkrRight IN");
+ snd_soc_dapm_ignore_suspend(dapm, "SpkrRight SPKR");
+ }
+ } else {
+ dev_err(codec->dev, "%s: wrong codec name %s\n", __func__,
+ codec->component.name);
+ ret = -EINVAL;
+ goto err;
+ }
+ pdata = snd_soc_card_get_drvdata(component->card);
+ if (pdata && pdata->codec_root)
+ wsa881x_codec_info_create_codec_entry(pdata->codec_root,
+ codec);
+
+err:
+ return ret;
+}
+
+static int msm_init_wsa_dev(struct platform_device *pdev,
+ struct snd_soc_card *card)
+{
+ struct device_node *wsa_of_node;
+ u32 wsa_max_devs;
+ u32 wsa_dev_cnt;
+ int i;
+ struct msm_wsa881x_dev_info *wsa881x_dev_info;
+ const char *wsa_auxdev_name_prefix[1];
+ char *dev_name_str = NULL;
+ int found = 0;
+ int ret = 0;
+
+ /* Get maximum WSA device count for this platform */
+ ret = of_property_read_u32(pdev->dev.of_node,
+ "qcom,wsa-max-devs", &wsa_max_devs);
+ if (ret) {
+ dev_info(&pdev->dev,
+ "%s: wsa-max-devs property missing in DT %s, ret = %d\n",
+ __func__, pdev->dev.of_node->full_name, ret);
+ card->num_aux_devs = 0;
+ return 0;
+ }
+ if (wsa_max_devs == 0) {
+ dev_warn(&pdev->dev,
+ "%s: Max WSA devices is 0 for this target?\n",
+ __func__);
+ card->num_aux_devs = 0;
+ return 0;
+ }
+
+ /* Get count of WSA device phandles for this platform */
+ wsa_dev_cnt = of_count_phandle_with_args(pdev->dev.of_node,
+ "qcom,wsa-devs", NULL);
+ if (wsa_dev_cnt == -ENOENT) {
+ dev_warn(&pdev->dev, "%s: No wsa device defined in DT.\n",
+ __func__);
+ goto err;
+ } else if (wsa_dev_cnt <= 0) {
+ dev_err(&pdev->dev,
+ "%s: Error reading wsa device from DT. wsa_dev_cnt = %d\n",
+ __func__, wsa_dev_cnt);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /*
+ * Expect total phandles count to be NOT less than maximum possible
+ * WSA count. However, if it is less, then assign same value to
+ * max count as well.
+ */
+ if (wsa_dev_cnt < wsa_max_devs) {
+ dev_dbg(&pdev->dev,
+ "%s: wsa_max_devs = %d cannot exceed wsa_dev_cnt = %d\n",
+ __func__, wsa_max_devs, wsa_dev_cnt);
+ wsa_max_devs = wsa_dev_cnt;
+ }
+
+ /* Make sure prefix string passed for each WSA device */
+ ret = of_property_count_strings(pdev->dev.of_node,
+ "qcom,wsa-aux-dev-prefix");
+ if (ret != wsa_dev_cnt) {
+ dev_err(&pdev->dev,
+ "%s: expecting %d wsa prefix. Defined only %d in DT\n",
+ __func__, wsa_dev_cnt, ret);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /*
+ * Alloc mem to store phandle and index info of WSA device, if already
+ * registered with ALSA core
+ */
+ wsa881x_dev_info = devm_kcalloc(&pdev->dev, wsa_max_devs,
+ sizeof(struct msm_wsa881x_dev_info),
+ GFP_KERNEL);
+ if (!wsa881x_dev_info) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ /*
+ * search and check whether all WSA devices are already
+ * registered with ALSA core or not. If found a node, store
+ * the node and the index in a local array of struct for later
+ * use.
+ */
+ for (i = 0; i < wsa_dev_cnt; i++) {
+ wsa_of_node = of_parse_phandle(pdev->dev.of_node,
+ "qcom,wsa-devs", i);
+ if (unlikely(!wsa_of_node)) {
+ /* we should not be here */
+ dev_err(&pdev->dev,
+ "%s: wsa dev node is not present\n",
+ __func__);
+ ret = -EINVAL;
+ goto err_free_dev_info;
+ }
+ if (soc_find_component(wsa_of_node, NULL)) {
+ /* WSA device registered with ALSA core */
+ wsa881x_dev_info[found].of_node = wsa_of_node;
+ wsa881x_dev_info[found].index = i;
+ found++;
+ if (found == wsa_max_devs)
+ break;
+ }
+ }
+
+ if (found < wsa_max_devs) {
+ dev_dbg(&pdev->dev,
+ "%s: failed to find %d components. Found only %d\n",
+ __func__, wsa_max_devs, found);
+ return -EPROBE_DEFER;
+ }
+ dev_info(&pdev->dev,
+ "%s: found %d wsa881x devices registered with ALSA core\n",
+ __func__, found);
+
+ card->num_aux_devs = wsa_max_devs;
+ card->num_configs = wsa_max_devs;
+
+ /* Alloc array of AUX devs struct */
+ msm_aux_dev = devm_kcalloc(&pdev->dev, card->num_aux_devs,
+ sizeof(struct snd_soc_aux_dev),
+ GFP_KERNEL);
+ if (!msm_aux_dev) {
+ ret = -ENOMEM;
+ goto err_free_dev_info;
+ }
+
+ /* Alloc array of codec conf struct */
+ msm_codec_conf = devm_kcalloc(&pdev->dev, card->num_aux_devs,
+ sizeof(struct snd_soc_codec_conf),
+ GFP_KERNEL);
+ if (!msm_codec_conf) {
+ ret = -ENOMEM;
+ goto err_free_aux_dev;
+ }
+
+ for (i = 0; i < card->num_aux_devs; i++) {
+ dev_name_str = devm_kzalloc(&pdev->dev, DEV_NAME_STR_LEN,
+ GFP_KERNEL);
+ if (!dev_name_str) {
+ ret = -ENOMEM;
+ goto err_free_cdc_conf;
+ }
+
+ ret = of_property_read_string_index(pdev->dev.of_node,
+ "qcom,wsa-aux-dev-prefix",
+ wsa881x_dev_info[i].index,
+ wsa_auxdev_name_prefix);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "%s: failed to read wsa aux dev prefix, ret = %d\n",
+ __func__, ret);
+ ret = -EINVAL;
+ goto err_free_dev_name_str;
+ }
+
+ snprintf(dev_name_str, strlen("wsa881x.%d"), "wsa881x.%d", i);
+ msm_aux_dev[i].name = dev_name_str;
+ msm_aux_dev[i].codec_name = NULL;
+ msm_aux_dev[i].codec_of_node =
+ wsa881x_dev_info[i].of_node;
+ msm_aux_dev[i].init = msm_wsa881x_init;
+ msm_codec_conf[i].dev_name = NULL;
+ msm_codec_conf[i].name_prefix = wsa_auxdev_name_prefix[0];
+ msm_codec_conf[i].of_node =
+ wsa881x_dev_info[i].of_node;
+ }
+ card->codec_conf = msm_codec_conf;
+ card->aux_dev = msm_aux_dev;
+
+ return 0;
+
+err_free_dev_name_str:
+ devm_kfree(&pdev->dev, dev_name_str);
+err_free_cdc_conf:
+ devm_kfree(&pdev->dev, msm_codec_conf);
+err_free_aux_dev:
+ devm_kfree(&pdev->dev, msm_aux_dev);
+err_free_dev_info:
+ devm_kfree(&pdev->dev, wsa881x_dev_info);
+err:
+ return ret;
+}
+
+static int msm_asoc_machine_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card;
+ struct msm_asoc_mach_data *pdata;
+ const struct of_device_id *match;
+ int ret;
+
+ if (!pdev->dev.of_node) {
+ dev_err(&pdev->dev, "No platform supplied from device tree\n");
+ return -EINVAL;
+ }
+
+ pdata = devm_kzalloc(&pdev->dev,
+ sizeof(struct msm_asoc_mach_data), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ card = populate_snd_card_dailinks(&pdev->dev);
+ if (!card) {
+ dev_err(&pdev->dev, "%s: Card uninitialized\n", __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+ snd_soc_card_set_drvdata(card, pdata);
+
+ ret = snd_soc_of_parse_card_name(card, "qcom,model");
+ if (ret) {
+ dev_err(&pdev->dev, "parse card name failed, err:%d\n",
+ ret);
+ goto err;
+ }
+
+ match = of_match_node(sdm855_asoc_machine_of_match,
+ pdev->dev.of_node);
+ if (!match) {
+ dev_err(&pdev->dev, "%s: no matched codec is found.\n",
+ __func__);
+ goto err;
+ }
+
+ ret = msm_populate_dai_link_component_of_node(card);
+ if (ret) {
+ ret = -EPROBE_DEFER;
+ goto err;
+ }
+ ret = msm_init_wsa_dev(pdev, card);
+ if (ret)
+ goto err;
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret) {
+ dev_err(&pdev->dev, "%s: snd_soc_register_card failed (%d)\n",
+ __func__, ret);
+ goto err;
+ }
+ dev_info(&pdev->dev, "%s: Sound card %s registered\n",
+ __func__, card->name);
+ spdev = pdev;
+
+ ret = audio_notifier_register("sdm855", AUDIO_NOTIFIER_ADSP_DOMAIN,
+ &service_nb);
+ if (ret < 0)
+ pr_err("%s: Audio notifier register failed ret = %d\n",
+ __func__, ret);
+
+ return 0;
+err:
+ devm_kfree(&pdev->dev, pdata);
+ return ret;
+}
+
+static int msm_asoc_machine_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ audio_notifier_deregister("sdm855");
+ return 0;
+}
+
+static struct platform_driver sdm855_asoc_machine_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = sdm855_asoc_machine_of_match,
+ },
+ .probe = msm_asoc_machine_probe,
+ .remove = msm_asoc_machine_remove,
+};
+module_platform_driver(sdm855_asoc_machine_driver);
+
+MODULE_DESCRIPTION("ALSA SoC msm");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, sdm855_asoc_machine_of_match);