From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/sound/soc/codecs/ad193x.c | 135 ++++++++++++++++++++++++++++++++++++---------
1 files changed, 108 insertions(+), 27 deletions(-)
diff --git a/kernel/sound/soc/codecs/ad193x.c b/kernel/sound/soc/codecs/ad193x.c
index 4b60ebe..f37ab7e 100644
--- a/kernel/sound/soc/codecs/ad193x.c
+++ b/kernel/sound/soc/codecs/ad193x.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* AD193X Audio Codec driver supporting AD1936/7/8/9
*
* Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/module.h>
@@ -36,6 +35,13 @@
ad193x_deemp);
static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);
+
+static const unsigned int ad193x_sb[] = {32};
+
+static struct snd_pcm_hw_constraint_list constr = {
+ .list = ad193x_sb,
+ .count = ARRAY_SIZE(ad193x_sb),
+};
static const struct snd_kcontrol_new ad193x_snd_controls[] = {
/* DAC volume control */
@@ -93,6 +99,15 @@
SND_SOC_DAPM_INPUT("ADC2IN"),
};
+static int ad193x_check_pll(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
+ struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
+
+ return !!ad193x->sysclk;
+}
+
static const struct snd_soc_dapm_route audio_paths[] = {
{ "DAC", NULL, "SYSCLK" },
{ "DAC Output", NULL, "DAC" },
@@ -101,7 +116,7 @@
{ "DAC2OUT", NULL, "DAC Output" },
{ "DAC3OUT", NULL, "DAC Output" },
{ "DAC4OUT", NULL, "DAC Output" },
- { "SYSCLK", NULL, "PLL_PWR" },
+ { "SYSCLK", NULL, "PLL_PWR", &ad193x_check_pll },
};
static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = {
@@ -128,7 +143,7 @@
* DAI ops entries
*/
-static int ad193x_mute(struct snd_soc_dai *dai, int mute)
+static int ad193x_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(dai->component);
@@ -181,23 +196,26 @@
{
struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(codec_dai->component);
unsigned int adc_serfmt = 0;
+ unsigned int dac_serfmt = 0;
unsigned int adc_fmt = 0;
unsigned int dac_fmt = 0;
/* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
- * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A)
+ * with TDM), ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) and DAC I2S mode
+ * (SND_SOC_DAIFMT_I2S)
*/
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
adc_serfmt |= AD193X_ADC_SERFMT_TDM;
+ dac_serfmt |= AD193X_DAC_SERFMT_STEREO;
break;
case SND_SOC_DAIFMT_DSP_A:
adc_serfmt |= AD193X_ADC_SERFMT_AUX;
+ dac_serfmt |= AD193X_DAC_SERFMT_TDM;
break;
default:
if (ad193x_has_adc(ad193x))
return -EINVAL;
- break;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
@@ -220,6 +238,10 @@
default:
return -EINVAL;
}
+
+ /* For DSP_*, LRCLK's polarity must be inverted */
+ if (fmt & SND_SOC_DAIFMT_DSP_A)
+ dac_fmt ^= AD193X_DAC_LEFT_HIGH;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */
@@ -248,6 +270,8 @@
regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
AD193X_ADC_FMT_MASK, adc_fmt);
}
+ regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL0,
+ AD193X_DAC_SERFMT_MASK, dac_serfmt);
regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
AD193X_DAC_FMT_MASK, dac_fmt);
@@ -258,7 +282,22 @@
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_component *component = codec_dai->component;
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
+
+ if (clk_id == AD193X_SYSCLK_MCLK) {
+ /* MCLK must be 512 x fs */
+ if (dir == SND_SOC_CLOCK_OUT || freq != 24576000)
+ return -EINVAL;
+
+ regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL1,
+ AD193X_PLL_SRC_MASK,
+ AD193X_PLL_DAC_SRC_MCLK |
+ AD193X_PLL_CLK_SRC_MCLK);
+
+ snd_soc_dapm_sync(dapm);
+ return 0;
+ }
switch (freq) {
case 12288000:
case 18432000:
@@ -321,12 +360,22 @@
return 0;
}
+static int ad193x_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
+ &constr);
+}
+
static const struct snd_soc_dai_ops ad193x_dai_ops = {
+ .startup = ad193x_startup,
.hw_params = ad193x_hw_params,
- .digital_mute = ad193x_mute,
+ .mute_stream = ad193x_mute,
.set_tdm_slot = ad193x_set_tdm_slot,
.set_sysclk = ad193x_set_dai_sysclk,
.set_fmt = ad193x_set_dai_fmt,
+ .no_capture_mute = 1,
};
/* codec DAI instance */
@@ -351,6 +400,53 @@
.ops = &ad193x_dai_ops,
};
+/* codec DAI instance for DAC only */
+static struct snd_soc_dai_driver ad193x_no_adc_dai = {
+ .name = "ad193x-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+ .ops = &ad193x_dai_ops,
+};
+
+/* codec register values to set after reset */
+static void ad193x_reg_default_init(struct ad193x_priv *ad193x)
+{
+ static const struct reg_sequence reg_init[] = {
+ { 0, 0x99 }, /* PLL_CLK_CTRL0: pll input: mclki/xi 12.288Mhz */
+ { 1, 0x04 }, /* PLL_CLK_CTRL1: no on-chip Vref */
+ { 2, 0x40 }, /* DAC_CTRL0: TDM mode */
+ { 3, 0x00 }, /* DAC_CTRL1: reset */
+ { 4, 0x1A }, /* DAC_CTRL2: 48kHz de-emphasis, unmute dac */
+ { 5, 0x00 }, /* DAC_CHNL_MUTE: unmute DAC channels */
+ { 6, 0x00 }, /* DAC_L1_VOL: no attenuation */
+ { 7, 0x00 }, /* DAC_R1_VOL: no attenuation */
+ { 8, 0x00 }, /* DAC_L2_VOL: no attenuation */
+ { 9, 0x00 }, /* DAC_R2_VOL: no attenuation */
+ { 10, 0x00 }, /* DAC_L3_VOL: no attenuation */
+ { 11, 0x00 }, /* DAC_R3_VOL: no attenuation */
+ { 12, 0x00 }, /* DAC_L4_VOL: no attenuation */
+ { 13, 0x00 }, /* DAC_R4_VOL: no attenuation */
+ };
+ static const struct reg_sequence reg_adc_init[] = {
+ { 14, 0x03 }, /* ADC_CTRL0: high-pass filter enable */
+ { 15, 0x43 }, /* ADC_CTRL1: sata delay=1, adc aux mode */
+ { 16, 0x00 }, /* ADC_CTRL2: reset */
+ };
+
+ regmap_multi_reg_write(ad193x->regmap, reg_init, ARRAY_SIZE(reg_init));
+
+ if (ad193x_has_adc(ad193x)) {
+ regmap_multi_reg_write(ad193x->regmap, reg_adc_init,
+ ARRAY_SIZE(reg_adc_init));
+ }
+}
+
static int ad193x_component_probe(struct snd_soc_component *component)
{
struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
@@ -358,25 +454,7 @@
int num, ret;
/* default setting for ad193x */
-
- /* unmute dac channels */
- regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0);
- /* de-emphasis: 48kHz, powedown dac */
- regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A);
- /* dac in tdm mode */
- regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40);
-
- /* adc only */
- if (ad193x_has_adc(ad193x)) {
- /* high-pass filter enable */
- regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3);
- /* sata delay=1, adc aux mode */
- regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43);
- }
-
- /* pll input: mclki/xi */
- regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
- regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04);
+ ad193x_reg_default_init(ad193x);
/* adc only */
if (ad193x_has_adc(ad193x)) {
@@ -444,8 +522,11 @@
dev_set_drvdata(dev, ad193x);
+ if (ad193x_has_adc(ad193x))
+ return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x,
+ &ad193x_dai, 1);
return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x,
- &ad193x_dai, 1);
+ &ad193x_no_adc_dai, 1);
}
EXPORT_SYMBOL_GPL(ad193x_probe);
--
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