diff options
Diffstat (limited to 'sound/soc/tegra/tegra186_asrc.c')
| -rw-r--r-- | sound/soc/tegra/tegra186_asrc.c | 1043 |
1 files changed, 1043 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra186_asrc.c b/sound/soc/tegra/tegra186_asrc.c new file mode 100644 index 000000000000..22af5135d77a --- /dev/null +++ b/sound/soc/tegra/tegra186_asrc.c @@ -0,0 +1,1043 @@ +// 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/mod_devicetable.h> +#include <linux/module.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 __maybe_unused 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 __maybe_unused 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 void tegra186_asrc_platform_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); +} + +static const struct dev_pm_ops tegra186_asrc_pm_ops = { + SET_RUNTIME_PM_OPS(tegra186_asrc_runtime_suspend, + tegra186_asrc_runtime_resume, NULL) + SET_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_new = 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"); |