mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 16:59:48 +07:00
9e944c9be2
Signed-off-by: Kirill Marinushkin <kmarinushkin@birdec.com> Link: https://lore.kernel.org/r/20190710055135.21377-1-kmarinushkin@birdec.com Signed-off-by: Mark Brown <broonie@kernel.org>
347 lines
8.1 KiB
C
347 lines
8.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// PCM3060 codec driver
|
|
//
|
|
// Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.com>
|
|
|
|
#include <linux/module.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/tlv.h>
|
|
|
|
#include "pcm3060.h"
|
|
|
|
/* dai */
|
|
|
|
static int pcm3060_set_sysclk(struct snd_soc_dai *dai, int clk_id,
|
|
unsigned int freq, int dir)
|
|
{
|
|
struct snd_soc_component *comp = dai->component;
|
|
struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp);
|
|
unsigned int reg;
|
|
unsigned int val;
|
|
|
|
if (dir != SND_SOC_CLOCK_IN) {
|
|
dev_err(comp->dev, "unsupported sysclock dir: %d\n", dir);
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (clk_id) {
|
|
case PCM3060_CLK_DEF:
|
|
val = 0;
|
|
break;
|
|
|
|
case PCM3060_CLK1:
|
|
val = (dai->id == PCM3060_DAI_ID_DAC ? PCM3060_REG_CSEL : 0);
|
|
break;
|
|
|
|
case PCM3060_CLK2:
|
|
val = (dai->id == PCM3060_DAI_ID_DAC ? 0 : PCM3060_REG_CSEL);
|
|
break;
|
|
|
|
default:
|
|
dev_err(comp->dev, "unsupported sysclock id: %d\n", clk_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (dai->id == PCM3060_DAI_ID_DAC)
|
|
reg = PCM3060_REG67;
|
|
else
|
|
reg = PCM3060_REG72;
|
|
|
|
regmap_update_bits(priv->regmap, reg, PCM3060_REG_CSEL, val);
|
|
|
|
priv->dai[dai->id].sclk_freq = freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pcm3060_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
{
|
|
struct snd_soc_component *comp = dai->component;
|
|
struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp);
|
|
unsigned int reg;
|
|
unsigned int val;
|
|
|
|
if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) {
|
|
dev_err(comp->dev, "unsupported DAI polarity: 0x%x\n", fmt);
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
priv->dai[dai->id].is_master = true;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
priv->dai[dai->id].is_master = false;
|
|
break;
|
|
default:
|
|
dev_err(comp->dev, "unsupported DAI master mode: 0x%x\n", fmt);
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
val = PCM3060_REG_FMT_I2S;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
val = PCM3060_REG_FMT_RJ;
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
val = PCM3060_REG_FMT_LJ;
|
|
break;
|
|
default:
|
|
dev_err(comp->dev, "unsupported DAI format: 0x%x\n", fmt);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (dai->id == PCM3060_DAI_ID_DAC)
|
|
reg = PCM3060_REG67;
|
|
else
|
|
reg = PCM3060_REG72;
|
|
|
|
regmap_update_bits(priv->regmap, reg, PCM3060_REG_MASK_FMT, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pcm3060_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *comp = dai->component;
|
|
struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp);
|
|
unsigned int rate;
|
|
unsigned int ratio;
|
|
unsigned int reg;
|
|
unsigned int val;
|
|
|
|
if (!priv->dai[dai->id].is_master) {
|
|
val = PCM3060_REG_MS_S;
|
|
goto val_ready;
|
|
}
|
|
|
|
rate = params_rate(params);
|
|
if (!rate) {
|
|
dev_err(comp->dev, "rate is not configured\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ratio = priv->dai[dai->id].sclk_freq / rate;
|
|
|
|
switch (ratio) {
|
|
case 768:
|
|
val = PCM3060_REG_MS_M768;
|
|
break;
|
|
case 512:
|
|
val = PCM3060_REG_MS_M512;
|
|
break;
|
|
case 384:
|
|
val = PCM3060_REG_MS_M384;
|
|
break;
|
|
case 256:
|
|
val = PCM3060_REG_MS_M256;
|
|
break;
|
|
case 192:
|
|
val = PCM3060_REG_MS_M192;
|
|
break;
|
|
case 128:
|
|
val = PCM3060_REG_MS_M128;
|
|
break;
|
|
default:
|
|
dev_err(comp->dev, "unsupported ratio: %d\n", ratio);
|
|
return -EINVAL;
|
|
}
|
|
|
|
val_ready:
|
|
if (dai->id == PCM3060_DAI_ID_DAC)
|
|
reg = PCM3060_REG67;
|
|
else
|
|
reg = PCM3060_REG72;
|
|
|
|
regmap_update_bits(priv->regmap, reg, PCM3060_REG_MASK_MS, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops pcm3060_dai_ops = {
|
|
.set_sysclk = pcm3060_set_sysclk,
|
|
.set_fmt = pcm3060_set_fmt,
|
|
.hw_params = pcm3060_hw_params,
|
|
};
|
|
|
|
#define PCM3060_DAI_RATES_ADC (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | \
|
|
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
|
|
SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
|
|
|
|
#define PCM3060_DAI_RATES_DAC (PCM3060_DAI_RATES_ADC | \
|
|
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
|
|
|
|
static struct snd_soc_dai_driver pcm3060_dai[] = {
|
|
{
|
|
.name = "pcm3060-dac",
|
|
.id = PCM3060_DAI_ID_DAC,
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = PCM3060_DAI_RATES_DAC,
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
.ops = &pcm3060_dai_ops,
|
|
},
|
|
{
|
|
.name = "pcm3060-adc",
|
|
.id = PCM3060_DAI_ID_ADC,
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = PCM3060_DAI_RATES_ADC,
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
.ops = &pcm3060_dai_ops,
|
|
},
|
|
};
|
|
|
|
/* dapm */
|
|
|
|
static DECLARE_TLV_DB_SCALE(pcm3060_dapm_tlv, -10050, 50, 1);
|
|
|
|
static const struct snd_kcontrol_new pcm3060_dapm_controls[] = {
|
|
SOC_DOUBLE_R_RANGE_TLV("Master Playback Volume",
|
|
PCM3060_REG65, PCM3060_REG66, 0,
|
|
PCM3060_REG_AT2_MIN, PCM3060_REG_AT2_MAX,
|
|
0, pcm3060_dapm_tlv),
|
|
SOC_DOUBLE("Master Playback Switch", PCM3060_REG68,
|
|
PCM3060_REG_SHIFT_MUT21, PCM3060_REG_SHIFT_MUT22, 1, 1),
|
|
|
|
SOC_DOUBLE_R_RANGE_TLV("Master Capture Volume",
|
|
PCM3060_REG70, PCM3060_REG71, 0,
|
|
PCM3060_REG_AT1_MIN, PCM3060_REG_AT1_MAX,
|
|
0, pcm3060_dapm_tlv),
|
|
SOC_DOUBLE("Master Capture Switch", PCM3060_REG73,
|
|
PCM3060_REG_SHIFT_MUT11, PCM3060_REG_SHIFT_MUT12, 1, 1),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget pcm3060_dapm_widgets[] = {
|
|
SND_SOC_DAPM_DAC("DAC", "Playback", PCM3060_REG64,
|
|
PCM3060_REG_SHIFT_DAPSV, 1),
|
|
|
|
SND_SOC_DAPM_OUTPUT("OUTL"),
|
|
SND_SOC_DAPM_OUTPUT("OUTR"),
|
|
|
|
SND_SOC_DAPM_INPUT("INL"),
|
|
SND_SOC_DAPM_INPUT("INR"),
|
|
|
|
SND_SOC_DAPM_ADC("ADC", "Capture", PCM3060_REG64,
|
|
PCM3060_REG_SHIFT_ADPSV, 1),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route pcm3060_dapm_map[] = {
|
|
{ "OUTL", NULL, "DAC" },
|
|
{ "OUTR", NULL, "DAC" },
|
|
|
|
{ "ADC", NULL, "INL" },
|
|
{ "ADC", NULL, "INR" },
|
|
};
|
|
|
|
/* soc component */
|
|
|
|
static const struct snd_soc_component_driver pcm3060_soc_comp_driver = {
|
|
.controls = pcm3060_dapm_controls,
|
|
.num_controls = ARRAY_SIZE(pcm3060_dapm_controls),
|
|
.dapm_widgets = pcm3060_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(pcm3060_dapm_widgets),
|
|
.dapm_routes = pcm3060_dapm_map,
|
|
.num_dapm_routes = ARRAY_SIZE(pcm3060_dapm_map),
|
|
};
|
|
|
|
/* regmap */
|
|
|
|
static bool pcm3060_reg_writeable(struct device *dev, unsigned int reg)
|
|
{
|
|
return (reg >= PCM3060_REG64);
|
|
}
|
|
|
|
static bool pcm3060_reg_readable(struct device *dev, unsigned int reg)
|
|
{
|
|
return (reg >= PCM3060_REG64);
|
|
}
|
|
|
|
static bool pcm3060_reg_volatile(struct device *dev, unsigned int reg)
|
|
{
|
|
/* PCM3060_REG64 is volatile */
|
|
return (reg == PCM3060_REG64);
|
|
}
|
|
|
|
static const struct reg_default pcm3060_reg_defaults[] = {
|
|
{ PCM3060_REG64, 0xF0 },
|
|
{ PCM3060_REG65, 0xFF },
|
|
{ PCM3060_REG66, 0xFF },
|
|
{ PCM3060_REG67, 0x00 },
|
|
{ PCM3060_REG68, 0x00 },
|
|
{ PCM3060_REG69, 0x00 },
|
|
{ PCM3060_REG70, 0xD7 },
|
|
{ PCM3060_REG71, 0xD7 },
|
|
{ PCM3060_REG72, 0x00 },
|
|
{ PCM3060_REG73, 0x00 },
|
|
};
|
|
|
|
const struct regmap_config pcm3060_regmap = {
|
|
.reg_bits = 8,
|
|
.val_bits = 8,
|
|
.writeable_reg = pcm3060_reg_writeable,
|
|
.readable_reg = pcm3060_reg_readable,
|
|
.volatile_reg = pcm3060_reg_volatile,
|
|
.max_register = PCM3060_REG73,
|
|
.reg_defaults = pcm3060_reg_defaults,
|
|
.num_reg_defaults = ARRAY_SIZE(pcm3060_reg_defaults),
|
|
.cache_type = REGCACHE_RBTREE,
|
|
};
|
|
EXPORT_SYMBOL(pcm3060_regmap);
|
|
|
|
/* device */
|
|
|
|
static void pcm3060_parse_dt(const struct device_node *np,
|
|
struct pcm3060_priv *priv)
|
|
{
|
|
priv->out_se = of_property_read_bool(np, "ti,out-single-ended");
|
|
}
|
|
|
|
int pcm3060_probe(struct device *dev)
|
|
{
|
|
int rc;
|
|
struct pcm3060_priv *priv = dev_get_drvdata(dev);
|
|
|
|
/* soft reset */
|
|
rc = regmap_update_bits(priv->regmap, PCM3060_REG64,
|
|
PCM3060_REG_MRST, 0);
|
|
if (rc) {
|
|
dev_err(dev, "failed to reset component, rc=%d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
if (dev->of_node)
|
|
pcm3060_parse_dt(dev->of_node, priv);
|
|
|
|
if (priv->out_se)
|
|
regmap_update_bits(priv->regmap, PCM3060_REG64,
|
|
PCM3060_REG_SE, PCM3060_REG_SE);
|
|
|
|
rc = devm_snd_soc_register_component(dev, &pcm3060_soc_comp_driver,
|
|
pcm3060_dai,
|
|
ARRAY_SIZE(pcm3060_dai));
|
|
if (rc) {
|
|
dev_err(dev, "failed to register component, rc=%d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(pcm3060_probe);
|
|
|
|
MODULE_DESCRIPTION("PCM3060 codec driver");
|
|
MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.com>");
|
|
MODULE_LICENSE("GPL v2");
|