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ASoC: codecs: add tc358749x codec driver
add tc358749x codec driver for hdmiin function Change-Id: I819ac80ced59b5d81d547f7ba2c7ebc7bee7f845 Signed-off-by: LuoXiaoTan <lxt@rock-chips.com>
This commit is contained in:
LuoXiaoTan
@@ -689,6 +689,10 @@ config SND_SOC_TAS571X
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tristate "Texas Instruments TAS5711/TAS5717/TAS5719 power amplifiers"
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depends on I2C
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config SND_SOC_TC358749X
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tristate "Toshiba TC358749X HDMI in Audio codec"
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depends on I2C
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config SND_SOC_TFA9879
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tristate "NXP Semiconductors TFA9879 amplifier"
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depends on I2C
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@@ -121,6 +121,7 @@ snd-soc-stac9766-objs := stac9766.o
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snd-soc-sti-sas-objs := sti-sas.o
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snd-soc-tas5086-objs := tas5086.o
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snd-soc-tas571x-objs := tas571x.o
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snd-soc-tc358749x-objs := tc358749x.o
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snd-soc-tfa9879-objs := tfa9879.o
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snd-soc-tlv320aic23-objs := tlv320aic23.o
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snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o
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@@ -319,6 +320,7 @@ obj-$(CONFIG_SND_SOC_STI_SAS) += snd-soc-sti-sas.o
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obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o
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obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o
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obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o
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obj-$(CONFIG_SND_SOC_TC358749X) += snd-soc-tc358749x.o
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obj-$(CONFIG_SND_SOC_TFA9879) += snd-soc-tfa9879.o
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obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o
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obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C) += snd-soc-tlv320aic23-i2c.o
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308
sound/soc/codecs/tc358749x.c
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308
sound/soc/codecs/tc358749x.c
Normal file
@@ -0,0 +1,308 @@
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/*
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* tc358749x.c TC358749XBG ALSA SoC audio codec driver
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*
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* Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
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* Author: Roy <luoxiaotan@rock-chips.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/gpio/consumer.h>
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#include <linux/init.h>
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#include <linux/i2c.h>
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#include <linux/of_gpio.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "tc358749x.h"
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static int snd_tc358749x_dai_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *codec_dai)
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{
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struct snd_soc_codec *codec = codec_dai->codec;
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unsigned int fs;
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switch (params_rate(params)) {
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case 32000:
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fs = FS_32000;
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break;
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case 44100:
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fs = FS_44100;
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break;
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case 48000:
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fs = FS_48000;
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break;
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case 88200:
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fs = FS_88200;
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break;
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case 96000:
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fs = FS_96000;
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break;
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case 176400:
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fs = FS_176400;
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break;
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case 192000:
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fs = FS_192000;
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break;
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default:
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dev_err(codec->dev, "Enter:%s, %d, Error rate=%d\n",
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__func__, __LINE__, params_rate(params));
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return -EINVAL;
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}
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snd_soc_update_bits(codec, TC358749X_FS_SET, FS_SET_MASK, fs);
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return 0;
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}
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static int snd_tc358749x_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_codec *codec = dai->codec;
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if (mute)
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snd_soc_update_bits(codec, TC358749X_FORCE_MUTE,
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FORCE_DMUTE_MASK, MUTE);
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else
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snd_soc_update_bits(codec, TC358749X_FORCE_MUTE,
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FORCE_DMUTE_MASK, !MUTE);
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return 0;
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}
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static const struct snd_soc_dai_ops tc358749x_dai_ops = {
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.hw_params = snd_tc358749x_dai_hw_params,
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.digital_mute = snd_tc358749x_mute,
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};
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static struct snd_soc_dai_driver tc358749x_dai = {
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.name = "tc358749x-audio",
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.playback = {
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.stream_name = "Playback",
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.channels_min = 2,
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.channels_max = 8,
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.rates = SNDRV_PCM_RATE_32000 |
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SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
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SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
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SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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.capture = {
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.stream_name = "Capture",
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.channels_min = 2,
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.channels_max = 8,
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.rates = SNDRV_PCM_RATE_32000 |
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SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
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SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
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SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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.ops = &tc358749x_dai_ops,
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};
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static int tc358749x_probe(struct snd_soc_codec *codec)
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{
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snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
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return 0;
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}
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static int tc358749_set_bias_level(struct snd_soc_codec *codec,
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enum snd_soc_bias_level level)
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{
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switch (level) {
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case SND_SOC_BIAS_ON:
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break;
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case SND_SOC_BIAS_PREPARE:
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snd_soc_update_bits(codec, TC358749X_FORCE_MUTE,
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FORCE_DMUTE_MASK, !MUTE);
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break;
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case SND_SOC_BIAS_STANDBY:
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break;
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case SND_SOC_BIAS_OFF:
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snd_soc_update_bits(codec, TC358749X_FORCE_MUTE,
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FORCE_DMUTE_MASK, MUTE);
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break;
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}
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return 0;
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}
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static struct snd_soc_codec_driver soc_codec_dev_tc358749x = {
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.probe = tc358749x_probe,
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.set_bias_level = tc358749_set_bias_level,
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};
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static bool tc358749x_readable_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case TC358749X_FORCE_MUTE:
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case TC358749X_FS_SET:
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return true;
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default:
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return false;
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}
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}
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static const struct reg_default tc358749x_reg_defaults[] = {
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{ TC358749X_FORCE_MUTE, 0xb1 },
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{ TC358749X_FS_SET, 0x00 },
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};
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const struct regmap_config tc358749x_regmap_config = {
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.reg_bits = 16,
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.val_bits = 8,
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.max_register = TC358749X_FS_SET,
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.cache_type = REGCACHE_RBTREE,
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.reg_defaults = tc358749x_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(tc358749x_reg_defaults),
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.readable_reg = tc358749x_readable_register,
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};
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static const struct i2c_device_id tc358749x_i2c_id[] = {
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{ "tc358749x", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, tc358749x_i2c_id);
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static int tc358749x_parse_dts(struct i2c_client *i2c,
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struct tc358749x_priv *tc358749x)
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{
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int ret = 0;
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struct device *dev = &i2c->dev;
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tc358749x->gpio_int = devm_gpiod_get_optional(dev, "int",
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GPIOD_OUT_HIGH);
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if (IS_ERR(tc358749x->gpio_int)) {
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ret = PTR_ERR(tc358749x->gpio_int);
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dev_err(&i2c->dev, "Unable to claim gpio \"int\".\n");
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return ret;
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}
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/* I2C Slave Address selection through boot-strap */
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gpiod_direction_output(tc358749x->gpio_int, 0);
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tc358749x->gpio_power = devm_gpiod_get_optional(dev, "power",
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GPIOD_OUT_HIGH);
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if (IS_ERR(tc358749x->gpio_power)) {
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ret = PTR_ERR(tc358749x->gpio_power);
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dev_err(&i2c->dev, "Unable to claim gpio \"power\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_power, 1);
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tc358749x->gpio_power18 = devm_gpiod_get_optional(dev, "power18",
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GPIOD_OUT_HIGH);
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if (IS_ERR(tc358749x->gpio_power18)) {
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ret = PTR_ERR(tc358749x->gpio_power18);
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dev_err(&i2c->dev, "Unable to claim gpio \"power18\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_power18, 1);
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tc358749x->gpio_power33 = devm_gpiod_get_optional(dev, "power33",
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GPIOD_OUT_HIGH);
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if (IS_ERR(tc358749x->gpio_power33)) {
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ret = PTR_ERR(tc358749x->gpio_power33);
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dev_err(&i2c->dev, "Unable to claim gpio \"power33\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_power33, 1);
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tc358749x->gpio_csi_ctl = devm_gpiod_get_optional(dev, "csi-ctl",
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GPIOD_OUT_LOW);
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if (IS_ERR(tc358749x->gpio_csi_ctl)) {
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ret = PTR_ERR(tc358749x->gpio_csi_ctl);
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dev_err(&i2c->dev, "Unable to claim gpio \"csi-ctl\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_csi_ctl, 0);
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tc358749x->gpio_reset = devm_gpiod_get_optional(dev, "reset",
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GPIOD_OUT_HIGH);
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if (IS_ERR(tc358749x->gpio_reset)) {
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ret = PTR_ERR(tc358749x->gpio_reset);
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dev_err(&i2c->dev, "Unable to claim gpio \"reset\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_reset, 1);
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tc358749x->gpio_stanby = devm_gpiod_get_optional(dev, "stanby",
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GPIOD_OUT_LOW);
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if (IS_ERR(tc358749x->gpio_stanby)) {
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ret = PTR_ERR(tc358749x->gpio_stanby);
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dev_err(&i2c->dev, "Unable to claim gpio \"stanby\".\n");
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return ret;
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}
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gpiod_direction_output(tc358749x->gpio_stanby, 1);
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/* Wait 10ms tc358749x lock I2C Slave address */
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usleep_range(10000, 11000);
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/* after I2C address has been lock and set it input */
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gpiod_direction_input(tc358749x->gpio_int);
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return 0;
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}
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static int tc358749x_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *id)
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{
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struct tc358749x_priv *tc358749x;
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int ret;
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tc358749x = devm_kzalloc(&i2c->dev, sizeof(*tc358749x),
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GFP_KERNEL);
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if (!tc358749x)
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return -ENOMEM;
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i2c_set_clientdata(i2c, tc358749x);
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tc358749x_parse_dts(i2c, tc358749x);
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tc358749x->regmap = devm_regmap_init_i2c(i2c, &tc358749x_regmap_config);
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if (IS_ERR(tc358749x->regmap)) {
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ret = PTR_ERR(tc358749x->regmap);
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dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
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return ret;
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}
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ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_tc358749x,
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&tc358749x_dai, 1);
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dev_info(&i2c->dev, "%s success\n", __func__);
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return ret;
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}
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static int tc358749x_i2c_remove(struct i2c_client *i2c)
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{
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snd_soc_unregister_codec(&i2c->dev);
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return 0;
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}
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static struct i2c_driver tc358749x_i2c_driver = {
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.driver = {
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.name = "tc358749x",
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},
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.probe = tc358749x_i2c_probe,
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.remove = tc358749x_i2c_remove,
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.id_table = tc358749x_i2c_id,
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};
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module_i2c_driver(tc358749x_i2c_driver);
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MODULE_AUTHOR("Roy <luoxiaotan@rock-chips.com>");
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MODULE_DESCRIPTION("TC358749X HDMI Audio RX ASoC Interface");
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MODULE_LICENSE("GPL");
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53
sound/soc/codecs/tc358749x.h
Normal file
53
sound/soc/codecs/tc358749x.h
Normal file
@@ -0,0 +1,53 @@
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/*
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* tc358749x.h TC358749XBG ALSA SoC audio codec driver
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*
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* Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
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* Author: Roy <luoxiaotan@rock-chips.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
|
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*
|
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* This program is distributed in the hope it will be useful, but WITHOUT
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
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*
|
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* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*/
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#ifndef _TC358749X_H
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#define _TC358749X_H
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#define TC358749X_FORCE_MUTE 0x8600
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#define MUTE 0x1
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#define FORCE_DMUTE_MASK BIT(0)
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#define FORCE_AMUTE_MASK BIT(4)
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#define TC358749X_FS_SET 0x8621
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#define FS_SET_MASK 0xf
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#define FS_44100 0x0
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#define FS_48000 0x2
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#define FS_32000 0x3
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#define FS_22050 0x4
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#define FS_24000 0x6
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#define FS_88200 0x8
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#define FS_96000 0xa
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#define FS_176400 0xc
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#define FS_192000 0xe
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struct tc358749x_priv {
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struct regmap *regmap;
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struct i2c_client *client;
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struct device *dev;
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struct gpio_desc *gpio_power;
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struct gpio_desc *gpio_power18;
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struct gpio_desc *gpio_power33;
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struct gpio_desc *gpio_csi_ctl;
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struct gpio_desc *gpio_reset;
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struct gpio_desc *gpio_stanby;
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struct gpio_desc *gpio_int;
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};
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#endif
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