--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// tegra186_asrc.c - Tegra186 ASRC driver
+//
+// Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra186_asrc.h"
+#include "tegra_cif.h"
+
+#define ASRC_STREAM_SOURCE_SELECT(id) \
+ (TEGRA186_ASRC_CFG + ((id) * TEGRA186_ASRC_STREAM_STRIDE))
+
+#define ASRC_STREAM_REG(reg, id) ((reg) + ((id) * TEGRA186_ASRC_STREAM_STRIDE))
+
+#define ASRC_STREAM_REG_DEFAULTS(id) \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id), \
+ (((id) + 1) << 4) }, \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id), \
+ 0x1 }, \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id), \
+ 0x0 }, \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_MUTE_UNMUTE_DURATION, id), \
+ 0x400 }, \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_RX_CIF_CTRL, id), \
+ 0x7500 }, \
+ { ASRC_STREAM_REG(TEGRA186_ASRC_TX_CIF_CTRL, id), \
+ 0x7500 }
+
+static const struct reg_default tegra186_asrc_reg_defaults[] = {
+ ASRC_STREAM_REG_DEFAULTS(0),
+ ASRC_STREAM_REG_DEFAULTS(1),
+ ASRC_STREAM_REG_DEFAULTS(2),
+ ASRC_STREAM_REG_DEFAULTS(3),
+ ASRC_STREAM_REG_DEFAULTS(4),
+ ASRC_STREAM_REG_DEFAULTS(5),
+
+ { TEGRA186_ASRC_GLOBAL_ENB, 0},
+ { TEGRA186_ASRC_GLOBAL_SOFT_RESET, 0},
+ { TEGRA186_ASRC_GLOBAL_CG, 0x1 },
+ { TEGRA186_ASRC_GLOBAL_CFG, 0x0 },
+ { TEGRA186_ASRC_GLOBAL_SCRATCH_ADDR, 0},
+ { TEGRA186_ASRC_GLOBAL_SCRATCH_CFG, 0x0c207980 },
+ { TEGRA186_ASRC_RATIO_UPD_RX_CIF_CTRL, 0x00115500 },
+ { TEGRA186_ASRC_GLOBAL_INT_MASK, 0x0},
+ { TEGRA186_ASRC_GLOBAL_INT_SET, 0x0},
+ { TEGRA186_ASRC_GLOBAL_INT_CLEAR, 0x0},
+ { TEGRA186_ASRC_GLOBAL_APR_CTRL, 0x0},
+ { TEGRA186_ASRC_GLOBAL_APR_CTRL_ACCESS_CTRL, 0x0},
+ { TEGRA186_ASRC_GLOBAL_DISARM_APR, 0x0},
+ { TEGRA186_ASRC_GLOBAL_DISARM_APR_ACCESS_CTRL, 0x0},
+ { TEGRA186_ASRC_GLOBAL_RATIO_WR_ACCESS, 0x0},
+ { TEGRA186_ASRC_GLOBAL_RATIO_WR_ACCESS_CTRL, 0x0},
+ { TEGRA186_ASRC_CYA, 0x0},
+};
+
+static void tegra186_asrc_lock_stream(struct tegra186_asrc *asrc,
+ unsigned int id)
+{
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_LOCK_STATUS,
+ id),
+ 1);
+}
+
+static int tegra186_asrc_runtime_suspend(struct device *dev)
+{
+ struct tegra186_asrc *asrc = dev_get_drvdata(dev);
+
+ regcache_cache_only(asrc->regmap, true);
+ regcache_mark_dirty(asrc->regmap);
+
+ return 0;
+}
+
+static int tegra186_asrc_runtime_resume(struct device *dev)
+{
+ struct tegra186_asrc *asrc = dev_get_drvdata(dev);
+ int id;
+
+ regcache_cache_only(asrc->regmap, false);
+
+ /*
+ * Below sequence is recommended after a runtime PM cycle.
+ * This otherwise leads to transfer failures. The cache
+ * sync is done after this to restore other settings.
+ */
+ regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_SCRATCH_ADDR,
+ TEGRA186_ASRC_ARAM_START_ADDR);
+ regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_ENB,
+ TEGRA186_ASRC_GLOBAL_EN);
+
+ regcache_sync(asrc->regmap);
+
+ for (id = 0; id < TEGRA186_ASRC_STREAM_MAX; id++) {
+ if (asrc->lane[id].ratio_source !=
+ TEGRA186_ASRC_RATIO_SOURCE_SW)
+ continue;
+
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART,
+ id),
+ asrc->lane[id].int_part);
+
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART,
+ id),
+ asrc->lane[id].frac_part);
+
+ tegra186_asrc_lock_stream(asrc, id);
+ }
+
+ return 0;
+}
+
+static int tegra186_asrc_set_audio_cif(struct tegra186_asrc *asrc,
+ struct snd_pcm_hw_params *params,
+ unsigned int reg)
+{
+ int channels, audio_bits;
+ struct tegra_cif_conf cif_conf;
+
+ memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
+
+ channels = params_channels(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ audio_bits = TEGRA_ACIF_BITS_16;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ audio_bits = TEGRA_ACIF_BITS_32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ cif_conf.audio_ch = channels;
+ cif_conf.client_ch = channels;
+ cif_conf.audio_bits = audio_bits;
+ cif_conf.client_bits = TEGRA_ACIF_BITS_24;
+
+ tegra_set_cif(asrc->regmap, reg, &cif_conf);
+
+ return 0;
+}
+
+static int tegra186_asrc_in_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct device *dev = dai->dev;
+ struct tegra186_asrc *asrc = snd_soc_dai_get_drvdata(dai);
+ int ret, id = dai->id;
+
+ /* Set input threshold */
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, dai->id),
+ asrc->lane[id].input_thresh);
+
+ ret = tegra186_asrc_set_audio_cif(asrc, params,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_CIF_CTRL, dai->id));
+ if (ret) {
+ dev_err(dev, "Can't set ASRC RX%d CIF: %d\n", dai->id, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int tegra186_asrc_out_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct device *dev = dai->dev;
+ struct tegra186_asrc *asrc = snd_soc_dai_get_drvdata(dai);
+ int ret, id = dai->id - 7;
+
+ /* Set output threshold */
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, id),
+ asrc->lane[id].output_thresh);
+
+ ret = tegra186_asrc_set_audio_cif(asrc, params,
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_CIF_CTRL, id));
+ if (ret) {
+ dev_err(dev, "Can't set ASRC TX%d CIF: %d\n", id, ret);
+ return ret;
+ }
+
+ /* Set ENABLE_HW_RATIO_COMP */
+ if (asrc->lane[id].hwcomp_disable) {
+ regmap_update_bits(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+ TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_MASK,
+ TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_DISABLE);
+ } else {
+ regmap_update_bits(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+ TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_MASK,
+ TEGRA186_ASRC_STREAM_ENABLE_HW_RATIO_COMP_ENABLE);
+
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_COMP, id),
+ TEGRA186_ASRC_STREAM_DEFAULT_HW_COMP_BIAS_VALUE);
+ }
+
+ /* Set lock */
+ regmap_update_bits(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, id),
+ 1, asrc->lane[id].ratio_source);
+
+ if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_SW) {
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id),
+ asrc->lane[id].int_part);
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id),
+ asrc->lane[id].frac_part);
+ tegra186_asrc_lock_stream(asrc, id);
+ }
+
+ return ret;
+}
+
+static int tegra186_asrc_get_ratio_source(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_enum *asrc_private =
+ (struct soc_enum *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+ ucontrol->value.enumerated.item[0] = asrc->lane[id].ratio_source;
+
+ return 0;
+}
+
+static int tegra186_asrc_put_ratio_source(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_enum *asrc_private =
+ (struct soc_enum *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+ bool change = false;
+
+ asrc->lane[id].ratio_source = ucontrol->value.enumerated.item[0];
+
+ regmap_update_bits_check(asrc->regmap, asrc_private->reg,
+ TEGRA186_ASRC_STREAM_RATIO_TYPE_MASK,
+ asrc->lane[id].ratio_source,
+ &change);
+
+ return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_ratio_int(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+ regmap_read(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, id),
+ &asrc->lane[id].int_part);
+
+ ucontrol->value.integer.value[0] = asrc->lane[id].int_part;
+
+ return 0;
+}
+
+static int tegra186_asrc_put_ratio_int(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+ bool change = false;
+
+ if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_ARAD) {
+ dev_err(cmpnt->dev,
+ "Lane %d ratio source is ARAD, invalid SW update\n",
+ id);
+ return -EINVAL;
+ }
+
+ asrc->lane[id].int_part = ucontrol->value.integer.value[0];
+
+ regmap_update_bits_check(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART,
+ id),
+ TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK,
+ asrc->lane[id].int_part, &change);
+
+ tegra186_asrc_lock_stream(asrc, id);
+
+ return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_ratio_frac(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mreg_control *asrc_private =
+ (struct soc_mreg_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->regbase / TEGRA186_ASRC_STREAM_STRIDE;
+
+ regmap_read(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, id),
+ &asrc->lane[id].frac_part);
+
+ ucontrol->value.integer.value[0] = asrc->lane[id].frac_part;
+
+ return 0;
+}
+
+static int tegra186_asrc_put_ratio_frac(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mreg_control *asrc_private =
+ (struct soc_mreg_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->regbase / TEGRA186_ASRC_STREAM_STRIDE;
+ bool change = false;
+
+ if (asrc->lane[id].ratio_source == TEGRA186_ASRC_RATIO_SOURCE_ARAD) {
+ dev_err(cmpnt->dev,
+ "Lane %d ratio source is ARAD, invalid SW update\n",
+ id);
+ return -EINVAL;
+ }
+
+ asrc->lane[id].frac_part = ucontrol->value.integer.value[0];
+
+ regmap_update_bits_check(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART,
+ id),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ asrc->lane[id].frac_part, &change);
+
+ tegra186_asrc_lock_stream(asrc, id);
+
+ return change ? 1 : 0;
+}
+
+static int tegra186_asrc_get_hwcomp_disable(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+ ucontrol->value.integer.value[0] = asrc->lane[id].hwcomp_disable;
+
+ return 0;
+}
+
+static int tegra186_asrc_put_hwcomp_disable(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+ int value = ucontrol->value.integer.value[0];
+
+ if (value == asrc->lane[id].hwcomp_disable)
+ return 0;
+
+ asrc->lane[id].hwcomp_disable = value;
+
+ return 1;
+}
+
+static int tegra186_asrc_get_input_threshold(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+ ucontrol->value.integer.value[0] = (asrc->lane[id].input_thresh & 0x3);
+
+ return 0;
+}
+
+static int tegra186_asrc_put_input_threshold(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+ int value = (asrc->lane[id].input_thresh & ~(0x3)) |
+ ucontrol->value.integer.value[0];
+
+ if (value == asrc->lane[id].input_thresh)
+ return 0;
+
+ asrc->lane[id].input_thresh = value;
+
+ return 1;
+}
+
+static int tegra186_asrc_get_output_threshold(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+
+ ucontrol->value.integer.value[0] = (asrc->lane[id].output_thresh & 0x3);
+
+ return 0;
+}
+
+static int tegra186_asrc_put_output_threshold(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *asrc_private =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra186_asrc *asrc = snd_soc_component_get_drvdata(cmpnt);
+ unsigned int id = asrc_private->reg / TEGRA186_ASRC_STREAM_STRIDE;
+ int value = (asrc->lane[id].output_thresh & ~(0x3)) |
+ ucontrol->value.integer.value[0];
+
+ if (value == asrc->lane[id].output_thresh)
+ return 0;
+
+ asrc->lane[id].output_thresh = value;
+
+ return 1;
+}
+
+static int tegra186_asrc_widget_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct tegra186_asrc *asrc = dev_get_drvdata(cmpnt->dev);
+ unsigned int id =
+ (w->reg - TEGRA186_ASRC_ENABLE) / TEGRA186_ASRC_STREAM_STRIDE;
+
+ regmap_write(asrc->regmap,
+ ASRC_STREAM_REG(TEGRA186_ASRC_SOFT_RESET, id),
+ 0x1);
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops tegra186_asrc_in_dai_ops = {
+ .hw_params = tegra186_asrc_in_hw_params,
+};
+
+static const struct snd_soc_dai_ops tegra186_asrc_out_dai_ops = {
+ .hw_params = tegra186_asrc_out_hw_params,
+};
+
+#define IN_DAI(id) \
+ { \
+ .name = "ASRC-RX-CIF"#id, \
+ .playback = { \
+ .stream_name = "RX" #id "-CIF-Playback",\
+ .channels_min = 1, \
+ .channels_max = 12, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .capture = { \
+ .stream_name = "RX" #id "-CIF-Capture", \
+ .channels_min = 1, \
+ .channels_max = 12, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .ops = &tegra186_asrc_in_dai_ops, \
+ }
+
+#define OUT_DAI(id) \
+ { \
+ .name = "ASRC-TX-CIF"#id, \
+ .playback = { \
+ .stream_name = "TX" #id "-CIF-Playback",\
+ .channels_min = 1, \
+ .channels_max = 12, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .capture = { \
+ .stream_name = "TX" #id "-CIF-Capture", \
+ .channels_min = 1, \
+ .channels_max = 12, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .ops = &tegra186_asrc_out_dai_ops, \
+ }
+
+static struct snd_soc_dai_driver tegra186_asrc_dais[] = {
+ /* ASRC Input */
+ IN_DAI(1),
+ IN_DAI(2),
+ IN_DAI(3),
+ IN_DAI(4),
+ IN_DAI(5),
+ IN_DAI(6),
+ IN_DAI(7),
+ /* ASRC Output */
+ OUT_DAI(1),
+ OUT_DAI(2),
+ OUT_DAI(3),
+ OUT_DAI(4),
+ OUT_DAI(5),
+ OUT_DAI(6),
+};
+
+static const struct snd_soc_dapm_widget tegra186_asrc_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX4", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX5", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX6", NULL, 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("RX7", NULL, 0, SND_SOC_NOPM, 0, 0),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX1", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 0),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX2", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 1),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX3", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 2),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX4", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 3),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX5", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 4),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_AIF_OUT_E("TX6", NULL, 0,
+ ASRC_STREAM_REG(TEGRA186_ASRC_ENABLE, 5),
+ TEGRA186_ASRC_STREAM_EN_SHIFT, 0,
+ tegra186_asrc_widget_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_SPK("Depacketizer", NULL),
+};
+
+#define ASRC_STREAM_ROUTE(id, sname) \
+ { "RX" #id " XBAR-" sname, NULL, "RX" #id " XBAR-TX" }, \
+ { "RX" #id "-CIF-" sname, NULL, "RX" #id " XBAR-" sname }, \
+ { "RX" #id, NULL, "RX" #id "-CIF-" sname }, \
+ { "TX" #id, NULL, "RX" #id }, \
+ { "TX" #id "-CIF-" sname, NULL, "TX" #id }, \
+ { "TX" #id " XBAR-" sname, NULL, "TX" #id "-CIF-" sname }, \
+ { "TX" #id " XBAR-RX", NULL, "TX" #id " XBAR-" sname },
+
+#define ASRC_ROUTE(id) \
+ ASRC_STREAM_ROUTE(id, "Playback") \
+ ASRC_STREAM_ROUTE(id, "Capture")
+
+#define ASRC_RATIO_ROUTE(sname) \
+ { "RX7 XBAR-" sname, NULL, "RX7 XBAR-TX" }, \
+ { "RX7-CIF-" sname, NULL, "RX7 XBAR-" sname }, \
+ { "RX7", NULL, "RX7-CIF-" sname }, \
+ { "Depacketizer", NULL, "RX7" },
+
+static const struct snd_soc_dapm_route tegra186_asrc_routes[] = {
+ ASRC_ROUTE(1)
+ ASRC_ROUTE(2)
+ ASRC_ROUTE(3)
+ ASRC_ROUTE(4)
+ ASRC_ROUTE(5)
+ ASRC_ROUTE(6)
+ ASRC_RATIO_ROUTE("Playback")
+ ASRC_RATIO_ROUTE("Capture")
+};
+
+static const char * const tegra186_asrc_ratio_source_text[] = {
+ "ARAD",
+ "SW",
+};
+
+#define ASRC_SOURCE_DECL(name, id) \
+ static const struct soc_enum name = \
+ SOC_ENUM_SINGLE(ASRC_STREAM_SOURCE_SELECT(id), \
+ 0, 2, tegra186_asrc_ratio_source_text)
+
+ASRC_SOURCE_DECL(src_select1, 0);
+ASRC_SOURCE_DECL(src_select2, 1);
+ASRC_SOURCE_DECL(src_select3, 2);
+ASRC_SOURCE_DECL(src_select4, 3);
+ASRC_SOURCE_DECL(src_select5, 4);
+ASRC_SOURCE_DECL(src_select6, 5);
+
+#define SOC_SINGLE_EXT_FRAC(xname, xregbase, xmax, xget, xput) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = (xname), \
+ .info = snd_soc_info_xr_sx, \
+ .get = xget, \
+ .put = xput, \
+ \
+ .private_value = (unsigned long)&(struct soc_mreg_control) \
+ { \
+ .regbase = xregbase, \
+ .regcount = 1, \
+ .nbits = 32, \
+ .invert = 0, \
+ .min = 0, \
+ .max = xmax \
+ } \
+}
+
+static const struct snd_kcontrol_new tegra186_asrc_controls[] = {
+ /* Controls for integer part of ratio */
+ SOC_SINGLE_EXT("Ratio1 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 0),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ SOC_SINGLE_EXT("Ratio2 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 1),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ SOC_SINGLE_EXT("Ratio3 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 2),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ SOC_SINGLE_EXT("Ratio4 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 3),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ SOC_SINGLE_EXT("Ratio5 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 4),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ SOC_SINGLE_EXT("Ratio6 Integer Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_INT_PART, 5),
+ 0, TEGRA186_ASRC_STREAM_RATIO_INT_PART_MASK, 0,
+ tegra186_asrc_get_ratio_int,
+ tegra186_asrc_put_ratio_int),
+
+ /* Controls for fractional part of ratio */
+ SOC_SINGLE_EXT_FRAC("Ratio1 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 0),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ SOC_SINGLE_EXT_FRAC("Ratio2 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 1),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ SOC_SINGLE_EXT_FRAC("Ratio3 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 2),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ SOC_SINGLE_EXT_FRAC("Ratio4 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 3),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ SOC_SINGLE_EXT_FRAC("Ratio5 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 4),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ SOC_SINGLE_EXT_FRAC("Ratio6 Fractional Part",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RATIO_FRAC_PART, 5),
+ TEGRA186_ASRC_STREAM_RATIO_FRAC_PART_MASK,
+ tegra186_asrc_get_ratio_frac,
+ tegra186_asrc_put_ratio_frac),
+
+ /* Source of ratio provider */
+ SOC_ENUM_EXT("Ratio1 Source", src_select1,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ SOC_ENUM_EXT("Ratio2 Source", src_select2,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ SOC_ENUM_EXT("Ratio3 Source", src_select3,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ SOC_ENUM_EXT("Ratio4 Source", src_select4,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ SOC_ENUM_EXT("Ratio5 Source", src_select5,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ SOC_ENUM_EXT("Ratio6 Source", src_select6,
+ tegra186_asrc_get_ratio_source,
+ tegra186_asrc_put_ratio_source),
+
+ /* Disable HW managed overflow/underflow issue at input and output */
+ SOC_SINGLE_EXT("Stream1 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 0), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ SOC_SINGLE_EXT("Stream2 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 1), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ SOC_SINGLE_EXT("Stream3 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 2), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ SOC_SINGLE_EXT("Stream4 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 3), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ SOC_SINGLE_EXT("Stream5 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 4), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ SOC_SINGLE_EXT("Stream6 HW Component Disable",
+ ASRC_STREAM_REG(TEGRA186_ASRC_CFG, 5), 0, 1, 0,
+ tegra186_asrc_get_hwcomp_disable,
+ tegra186_asrc_put_hwcomp_disable),
+
+ /* Input threshold for watermark fields */
+ SOC_SINGLE_EXT("Stream1 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 0), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ SOC_SINGLE_EXT("Stream2 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 1), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ SOC_SINGLE_EXT("Stream3 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 2), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ SOC_SINGLE_EXT("Stream4 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 3), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ SOC_SINGLE_EXT("Stream5 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 4), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ SOC_SINGLE_EXT("Stream6 Input Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_RX_THRESHOLD, 4), 0, 3, 0,
+ tegra186_asrc_get_input_threshold,
+ tegra186_asrc_put_input_threshold),
+
+ /* Output threshold for watermark fields */
+ SOC_SINGLE_EXT("Stream1 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 0), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+
+ SOC_SINGLE_EXT("Stream2 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 1), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+
+ SOC_SINGLE_EXT("Stream3 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 2), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+
+ SOC_SINGLE_EXT("Stream4 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 3), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+
+ SOC_SINGLE_EXT("Stream5 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 4), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+
+ SOC_SINGLE_EXT("Stream6 Output Threshold",
+ ASRC_STREAM_REG(TEGRA186_ASRC_TX_THRESHOLD, 5), 0, 3, 0,
+ tegra186_asrc_get_output_threshold,
+ tegra186_asrc_put_output_threshold),
+};
+
+static const struct snd_soc_component_driver tegra186_asrc_cmpnt = {
+ .dapm_widgets = tegra186_asrc_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tegra186_asrc_widgets),
+ .dapm_routes = tegra186_asrc_routes,
+ .num_dapm_routes = ARRAY_SIZE(tegra186_asrc_routes),
+ .controls = tegra186_asrc_controls,
+ .num_controls = ARRAY_SIZE(tegra186_asrc_controls),
+};
+
+static bool tegra186_asrc_wr_reg(struct device *dev, unsigned int reg)
+{
+ if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+ reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+ switch (reg) {
+ case TEGRA186_ASRC_CFG ... TEGRA186_ASRC_RATIO_COMP:
+ case TEGRA186_ASRC_RX_CIF_CTRL:
+ case TEGRA186_ASRC_TX_CIF_CTRL:
+ case TEGRA186_ASRC_ENABLE:
+ case TEGRA186_ASRC_SOFT_RESET:
+ case TEGRA186_ASRC_GLOBAL_ENB ... TEGRA186_ASRC_RATIO_UPD_RX_CIF_CTRL:
+ case TEGRA186_ASRC_GLOBAL_INT_MASK ... TEGRA186_ASRC_GLOBAL_INT_CLEAR:
+ case TEGRA186_ASRC_GLOBAL_APR_CTRL ... TEGRA186_ASRC_CYA:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool tegra186_asrc_rd_reg(struct device *dev, unsigned int reg)
+{
+ if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+ reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+ if (tegra186_asrc_wr_reg(dev, reg))
+ return true;
+
+ switch (reg) {
+ case TEGRA186_ASRC_RX_STATUS:
+ case TEGRA186_ASRC_TX_STATUS:
+ case TEGRA186_ASRC_STATUS ... TEGRA186_ASRC_OUTSAMPLEBUF_CFG:
+ case TEGRA186_ASRC_RATIO_UPD_RX_STATUS:
+ case TEGRA186_ASRC_GLOBAL_STATUS ... TEGRA186_ASRC_GLOBAL_INT_STATUS:
+ case TEGRA186_ASRC_GLOBAL_TRANSFER_ERROR_LOG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool tegra186_asrc_volatile_reg(struct device *dev, unsigned int reg)
+{
+ if (reg < TEGRA186_ASRC_STREAM_LIMIT)
+ reg %= TEGRA186_ASRC_STREAM_STRIDE;
+
+ switch (reg) {
+ case TEGRA186_ASRC_RX_STATUS:
+ case TEGRA186_ASRC_TX_STATUS:
+ case TEGRA186_ASRC_SOFT_RESET:
+ case TEGRA186_ASRC_RATIO_INT_PART:
+ case TEGRA186_ASRC_RATIO_FRAC_PART:
+ case TEGRA186_ASRC_STATUS:
+ case TEGRA186_ASRC_RATIO_LOCK_STATUS:
+ case TEGRA186_ASRC_RATIO_UPD_RX_STATUS:
+ case TEGRA186_ASRC_GLOBAL_SOFT_RESET:
+ case TEGRA186_ASRC_GLOBAL_STATUS:
+ case TEGRA186_ASRC_GLOBAL_STREAM_ENABLE_STATUS:
+ case TEGRA186_ASRC_GLOBAL_INT_STATUS:
+ case TEGRA186_ASRC_GLOBAL_TRANSFER_ERROR_LOG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_config tegra186_asrc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = TEGRA186_ASRC_CYA,
+ .writeable_reg = tegra186_asrc_wr_reg,
+ .readable_reg = tegra186_asrc_rd_reg,
+ .volatile_reg = tegra186_asrc_volatile_reg,
+ .reg_defaults = tegra186_asrc_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tegra186_asrc_reg_defaults),
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct of_device_id tegra186_asrc_of_match[] = {
+ { .compatible = "nvidia,tegra186-asrc" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tegra186_asrc_of_match);
+
+static int tegra186_asrc_platform_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct tegra186_asrc *asrc;
+ void __iomem *regs;
+ unsigned int i;
+ int err;
+
+ asrc = devm_kzalloc(dev, sizeof(*asrc), GFP_KERNEL);
+ if (!asrc)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, asrc);
+
+ regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ asrc->regmap = devm_regmap_init_mmio(dev, regs,
+ &tegra186_asrc_regmap_config);
+ if (IS_ERR(asrc->regmap)) {
+ dev_err(dev, "regmap init failed\n");
+ return PTR_ERR(asrc->regmap);
+ }
+
+ regcache_cache_only(asrc->regmap, true);
+
+ regmap_write(asrc->regmap, TEGRA186_ASRC_GLOBAL_CFG,
+ TEGRA186_ASRC_GLOBAL_CFG_FRAC_32BIT_PRECISION);
+
+ /* Initialize default output srate */
+ for (i = 0; i < TEGRA186_ASRC_STREAM_MAX; i++) {
+ asrc->lane[i].ratio_source = TEGRA186_ASRC_RATIO_SOURCE_SW;
+ asrc->lane[i].int_part = 1;
+ asrc->lane[i].frac_part = 0;
+ asrc->lane[i].hwcomp_disable = 0;
+ asrc->lane[i].input_thresh =
+ TEGRA186_ASRC_STREAM_DEFAULT_INPUT_HW_COMP_THRESH_CFG;
+ asrc->lane[i].output_thresh =
+ TEGRA186_ASRC_STREAM_DEFAULT_OUTPUT_HW_COMP_THRESH_CFG;
+ }
+
+ err = devm_snd_soc_register_component(dev, &tegra186_asrc_cmpnt,
+ tegra186_asrc_dais,
+ ARRAY_SIZE(tegra186_asrc_dais));
+ if (err) {
+ dev_err(dev, "can't register ASRC component, err: %d\n", err);
+ return err;
+ }
+
+ pm_runtime_enable(dev);
+
+ return 0;
+}
+
+static int tegra186_asrc_platform_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+static const struct dev_pm_ops tegra186_asrc_pm_ops = {
+ SET_RUNTIME_PM_OPS(tegra186_asrc_runtime_suspend,
+ tegra186_asrc_runtime_resume, NULL)
+ SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+static struct platform_driver tegra186_asrc_driver = {
+ .driver = {
+ .name = "tegra186-asrc",
+ .of_match_table = tegra186_asrc_of_match,
+ .pm = &tegra186_asrc_pm_ops,
+ },
+ .probe = tegra186_asrc_platform_probe,
+ .remove = tegra186_asrc_platform_remove,
+};
+module_platform_driver(tegra186_asrc_driver)
+
+MODULE_AUTHOR("Junghyun Kim <juskim@nvidia.com>");
+MODULE_DESCRIPTION("Tegra186 ASRC ASoC driver");
+MODULE_LICENSE("GPL");
projects / linux.git / commitdiff