diff options
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/Kconfig | 5 | ||||
| -rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/i-sabre-codec.c | 392 | ||||
| -rw-r--r-- | sound/soc/codecs/i-sabre-codec.h | 42 |
4 files changed, 441 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 6fc3d190864d..56bb858eadcf 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -85,6 +85,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_ICS43432 select SND_SOC_INNO_RK3036 select SND_SOC_ISABELLE if I2C + select SND_SOC_I_SABRE_CODEC if I2C select SND_SOC_JZ4740_CODEC select SND_SOC_LM4857 if I2C select SND_SOC_LM49453 if I2C @@ -1322,4 +1323,8 @@ config SND_SOC_TPA6130A2 tristate "Texas Instruments TPA6130A2 headphone amplifier" depends on I2C +config SND_SOC_I_SABRE_CODEC + tristate "Audiophonics I-SABRE Codec" + depends on I2C + endmenu diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index d4e310bce30c..6127bc7b388e 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -81,6 +81,7 @@ snd-soc-hdac-hdmi-objs := hdac_hdmi.o snd-soc-ics43432-objs := ics43432.o snd-soc-inno-rk3036-objs := inno_rk3036.o snd-soc-isabelle-objs := isabelle.o +snd-soc-i-sabre-codec-objs := i-sabre-codec.o snd-soc-jz4740-codec-objs := jz4740.o snd-soc-l3-objs := l3.o snd-soc-lm4857-objs := lm4857.o @@ -343,6 +344,7 @@ obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o obj-$(CONFIG_SND_SOC_INNO_RK3036) += snd-soc-inno-rk3036.o obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o +obj-$(CONFIG_SND_SOC_I_SABRE_CODEC) += snd-soc-i-sabre-codec.o obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o obj-$(CONFIG_SND_SOC_LM4857) += snd-soc-lm4857.o diff --git a/sound/soc/codecs/i-sabre-codec.c b/sound/soc/codecs/i-sabre-codec.c new file mode 100644 index 000000000000..f6e5b68eb8f1 --- /dev/null +++ b/sound/soc/codecs/i-sabre-codec.c @@ -0,0 +1,392 @@ +/* + * Driver for I-Sabre Q2M + * + * Author: Satoru Kawase + * Modified by: Xiao Qingyong + * Modified by: JC BARBAUD (Mute) + * Update kernel v4.18+ by : Audiophonics + * Copyright 2018 Audiophonics + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * 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/init.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/i2c.h> +#include <sound/soc.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> + +#include "i-sabre-codec.h" + + +/* I-Sabre Q2M Codec Private Data */ +struct i_sabre_codec_priv { + struct regmap *regmap; + unsigned int fmt; +}; + + +/* I-Sabre Q2M Codec Default Register Value */ +static const struct reg_default i_sabre_codec_reg_defaults[] = { + { ISABRECODEC_REG_10, 0x00 }, + { ISABRECODEC_REG_20, 0x00 }, + { ISABRECODEC_REG_21, 0x00 }, + { ISABRECODEC_REG_22, 0x00 }, + { ISABRECODEC_REG_24, 0x00 }, +}; + + +static bool i_sabre_codec_writeable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ISABRECODEC_REG_10: + case ISABRECODEC_REG_20: + case ISABRECODEC_REG_21: + case ISABRECODEC_REG_22: + case ISABRECODEC_REG_24: + return true; + + default: + return false; + } +} + +static bool i_sabre_codec_readable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ISABRECODEC_REG_01: + case ISABRECODEC_REG_02: + case ISABRECODEC_REG_10: + case ISABRECODEC_REG_20: + case ISABRECODEC_REG_21: + case ISABRECODEC_REG_22: + case ISABRECODEC_REG_24: + return true; + + default: + return false; + } +} + +static bool i_sabre_codec_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ISABRECODEC_REG_01: + case ISABRECODEC_REG_02: + return true; + + default: + return false; + } +} + + +/* Volume Scale */ +static const DECLARE_TLV_DB_SCALE(volume_tlv, -10000, 100, 0); + + +/* Filter Type */ +static const char * const fir_filter_type_texts[] = { + "brick wall", + "corrected minimum phase fast", + "minimum phase slow", + "minimum phase fast", + "linear phase slow", + "linear phase fast", + "apodizing fast", +}; + +static SOC_ENUM_SINGLE_DECL(i_sabre_fir_filter_type_enum, + ISABRECODEC_REG_22, 0, fir_filter_type_texts); + + +/* I2S / SPDIF Select */ +static const char * const iis_spdif_sel_texts[] = { + "I2S", + "SPDIF", +}; + +static SOC_ENUM_SINGLE_DECL(i_sabre_iis_spdif_sel_enum, + ISABRECODEC_REG_24, 0, iis_spdif_sel_texts); + + +/* Control */ +static const struct snd_kcontrol_new i_sabre_codec_controls[] = { +SOC_SINGLE_RANGE_TLV("Digital Playback Volume", ISABRECODEC_REG_20, 0, 0, 100, 1, volume_tlv), +SOC_SINGLE("Digital Playback Switch", ISABRECODEC_REG_21, 0, 1, 1), +SOC_ENUM("FIR Filter Type", i_sabre_fir_filter_type_enum), +SOC_ENUM("I2S/SPDIF Select", i_sabre_iis_spdif_sel_enum), +}; + + +static const u32 i_sabre_codec_dai_rates_slave[] = { + 8000, 11025, 16000, 22050, 32000, + 44100, 48000, 64000, 88200, 96000, + 176400, 192000, 352800, 384000, + 705600, 768000, 1411200, 1536000 +}; + +static const struct snd_pcm_hw_constraint_list constraints_slave = { + .list = i_sabre_codec_dai_rates_slave, + .count = ARRAY_SIZE(i_sabre_codec_dai_rates_slave), +}; + +static int i_sabre_codec_dai_startup_slave( + struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + int ret; + + ret = snd_pcm_hw_constraint_list(substream->runtime, + 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_slave); + if (ret != 0) { + dev_err(component->card->dev, "Failed to setup rates constraints: %d\n", ret); + } + + return ret; +} + +static int i_sabre_codec_dai_startup( + struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct i_sabre_codec_priv *i_sabre_codec + = snd_soc_component_get_drvdata(component); + + switch (i_sabre_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + return i_sabre_codec_dai_startup_slave(substream, dai); + + default: + return (-EINVAL); + } +} + +static int i_sabre_codec_hw_params( + struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct i_sabre_codec_priv *i_sabre_codec + = snd_soc_component_get_drvdata(component); + unsigned int daifmt; + int format_width; + + dev_dbg(component->card->dev, "hw_params %u Hz, %u channels\n", + params_rate(params), params_channels(params)); + + /* Check I2S Format (Bit Size) */ + format_width = snd_pcm_format_width(params_format(params)); + if ((format_width != 32) && (format_width != 16)) { + dev_err(component->card->dev, "Bad frame size: %d\n", + snd_pcm_format_width(params_format(params))); + return (-EINVAL); + } + + /* Check Slave Mode */ + daifmt = i_sabre_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK; + if (daifmt != SND_SOC_DAIFMT_CBS_CFS) { + return (-EINVAL); + } + + /* Notify Sampling Frequency */ + switch (params_rate(params)) + { + case 44100: + case 48000: + case 88200: + case 96000: + case 176400: + case 192000: + snd_soc_component_update_bits(component, ISABRECODEC_REG_10, 0x01, 0x00); + break; + + case 352800: + case 384000: + case 705600: + case 768000: + case 1411200: + case 1536000: + snd_soc_component_update_bits(component, ISABRECODEC_REG_10, 0x01, 0x01); + break; + } + + return 0; +} + +static int i_sabre_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct i_sabre_codec_priv *i_sabre_codec + = snd_soc_component_get_drvdata(component); + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + break; + + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + default: + return (-EINVAL); + } + + /* clock inversion */ + if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { + return (-EINVAL); + } + + /* Set Audio Data Format */ + i_sabre_codec->fmt = fmt; + + return 0; +} + +static int i_sabre_codec_dac_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_component *component = dai->component; + + if (mute) { + snd_soc_component_update_bits(component, ISABRECODEC_REG_21, 0x01, 0x01); + } else { + snd_soc_component_update_bits(component, ISABRECODEC_REG_21, 0x01, 0x00); + } + + return 0; +} + + +static const struct snd_soc_dai_ops i_sabre_codec_dai_ops = { + .startup = i_sabre_codec_dai_startup, + .hw_params = i_sabre_codec_hw_params, + .set_fmt = i_sabre_codec_set_fmt, + .digital_mute = i_sabre_codec_dac_mute, +}; + +static struct snd_soc_dai_driver i_sabre_codec_dai = { + .name = "i-sabre-codec-dai", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 8000, + .rate_max = 1536000, + .formats = SNDRV_PCM_FMTBIT_S16_LE + | SNDRV_PCM_FMTBIT_S32_LE, + }, + .ops = &i_sabre_codec_dai_ops, +}; + +static struct snd_soc_component_driver i_sabre_codec_codec_driver = { + .controls = i_sabre_codec_controls, + .num_controls = ARRAY_SIZE(i_sabre_codec_controls), +}; + + +static const struct regmap_config i_sabre_codec_regmap = { + .reg_bits = 8, + .val_bits = 8, + .max_register = ISABRECODEC_MAX_REG, + + .reg_defaults = i_sabre_codec_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(i_sabre_codec_reg_defaults), + + .writeable_reg = i_sabre_codec_writeable, + .readable_reg = i_sabre_codec_readable, + .volatile_reg = i_sabre_codec_volatile, + + .cache_type = REGCACHE_RBTREE, +}; + + +static int i_sabre_codec_probe(struct device *dev, struct regmap *regmap) +{ + struct i_sabre_codec_priv *i_sabre_codec; + int ret; + + i_sabre_codec = devm_kzalloc(dev, sizeof(*i_sabre_codec), GFP_KERNEL); + if (!i_sabre_codec) { + dev_err(dev, "devm_kzalloc"); + return (-ENOMEM); + } + + i_sabre_codec->regmap = regmap; + + dev_set_drvdata(dev, i_sabre_codec); + + ret = snd_soc_register_component(dev, + &i_sabre_codec_codec_driver, &i_sabre_codec_dai, 1); + if (ret != 0) { + dev_err(dev, "Failed to register CODEC: %d\n", ret); + return ret; + } + + return 0; +} + +static void i_sabre_codec_remove(struct device *dev) +{ + snd_soc_unregister_component(dev); +} + + +static int i_sabre_codec_i2c_probe( + struct i2c_client *i2c, const struct i2c_device_id *id) +{ + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(i2c, &i_sabre_codec_regmap); + if (IS_ERR(regmap)) { + return PTR_ERR(regmap); + } + + return i_sabre_codec_probe(&i2c->dev, regmap); +} + +static int i_sabre_codec_i2c_remove(struct i2c_client *i2c) +{ + i_sabre_codec_remove(&i2c->dev); + + return 0; +} + + +static const struct i2c_device_id i_sabre_codec_i2c_id[] = { + { "i-sabre-codec", }, + { } +}; +MODULE_DEVICE_TABLE(i2c, i_sabre_codec_i2c_id); + +static const struct of_device_id i_sabre_codec_of_match[] = { + { .compatible = "audiophonics,i-sabre-codec", }, + { } +}; +MODULE_DEVICE_TABLE(of, i_sabre_codec_of_match); + +static struct i2c_driver i_sabre_codec_i2c_driver = { + .driver = { + .name = "i-sabre-codec-i2c", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(i_sabre_codec_of_match), + }, + .probe = i_sabre_codec_i2c_probe, + .remove = i_sabre_codec_i2c_remove, + .id_table = i_sabre_codec_i2c_id, +}; +module_i2c_driver(i_sabre_codec_i2c_driver); + + +MODULE_DESCRIPTION("ASoC I-Sabre Q2M codec driver"); +MODULE_AUTHOR("Audiophonics <http://www.audiophonics.fr>"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/i-sabre-codec.h b/sound/soc/codecs/i-sabre-codec.h new file mode 100644 index 000000000000..9cac5a2446b9 --- /dev/null +++ b/sound/soc/codecs/i-sabre-codec.h @@ -0,0 +1,42 @@ +/* + * Driver for I-Sabre Q2M + * + * Author: Satoru Kawase + * Modified by: Xiao Qingyong + * Copyright 2018 Audiophonics + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * 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. + */ + +#ifndef _SND_SOC_ISABRECODEC +#define _SND_SOC_ISABRECODEC + + +/* ISABRECODEC Register Address */ +#define ISABRECODEC_REG_01 0x01 /* Virtual Device ID : 0x01 = es9038q2m */ +#define ISABRECODEC_REG_02 0x02 /* API revision : 0x01 = Revision 01 */ +#define ISABRECODEC_REG_10 0x10 /* 0x01 = above 192kHz, 0x00 = otherwise */ +#define ISABRECODEC_REG_20 0x20 /* 0 - 100 (decimal value, 0 = min., 100 = max.) */ +#define ISABRECODEC_REG_21 0x21 /* 0x00 = Mute OFF, 0x01 = Mute ON */ +#define ISABRECODEC_REG_22 0x22 +/* + 0x00 = brick wall, + 0x01 = corrected minimum phase fast, + 0x02 = minimum phase slow, + 0x03 = minimum phase fast, + 0x04 = linear phase slow, + 0x05 = linear phase fast, + 0x06 = apodizing fast, +*/ +//#define ISABRECODEC_REG_23 0x23 /* reserved */ +#define ISABRECODEC_REG_24 0x24 /* 0x00 = I2S, 0x01 = SPDIF */ +#define ISABRECODEC_MAX_REG 0x24 /* Maximum Register Number */ + +#endif /* _SND_SOC_ISABRECODEC */ |