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/da7213.c | 219 ++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 185 insertions(+), 34 deletions(-)
diff --git a/kernel/sound/soc/codecs/da7213.c b/kernel/sound/soc/codecs/da7213.c
index 92d006a..7240246 100644
--- a/kernel/sound/soc/codecs/da7213.c
+++ b/kernel/sound/soc/codecs/da7213.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* DA7213 ALSA SoC Codec Driver
*
@@ -5,11 +6,6 @@
*
* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
* Based on DA9055 ALSA SoC codec driver.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/acpi.h>
@@ -23,6 +19,7 @@
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
+#include <linux/pm_runtime.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
@@ -208,12 +205,12 @@
/* Select middle 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_MIDDLE);
- mid_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
+ mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
/* Select top 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_TOP);
- top_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
+ top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
sum += ((mid_data << 8) | (top_data << 16));
}
@@ -262,7 +259,7 @@
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
DA7213_ALC_AUTO_CALIB_EN);
do {
- alc_ctrl1 = snd_soc_component_read32(component, DA7213_ALC_CTRL1);
+ alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
/* If auto calibration fails, fall back to digital gain only mode */
@@ -289,16 +286,16 @@
u8 mic_1_ctrl, mic_2_ctrl;
/* Save current values from ADC control registers */
- adc_l_ctrl = snd_soc_component_read32(component, DA7213_ADC_L_CTRL);
- adc_r_ctrl = snd_soc_component_read32(component, DA7213_ADC_R_CTRL);
+ adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
+ adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
/* Save current values from MIXIN_L/R_SELECT registers */
- mixin_l_sel = snd_soc_component_read32(component, DA7213_MIXIN_L_SELECT);
- mixin_r_sel = snd_soc_component_read32(component, DA7213_MIXIN_R_SELECT);
+ mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
+ mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
/* Save current values from MIC control registers */
- mic_1_ctrl = snd_soc_component_read32(component, DA7213_MIC_1_CTRL);
- mic_2_ctrl = snd_soc_component_read32(component, DA7213_MIC_2_CTRL);
+ mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
+ mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
/* Enable ADC Left and Right */
snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
@@ -754,7 +751,7 @@
DA7213_PC_FREERUN_MASK, 0);
/* If SRM not enabled then nothing more to do */
- pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
+ pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (!(pll_ctrl & DA7213_PLL_SRM_EN))
return 0;
@@ -767,7 +764,7 @@
/* Check SRM has locked */
do {
- pll_status = snd_soc_component_read32(component, DA7213_PLL_STATUS);
+ pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
if (pll_status & DA7219_PLL_SRM_LOCK) {
srm_lock = true;
} else {
@@ -782,7 +779,7 @@
return 0;
case SND_SOC_DAPM_POST_PMD:
/* Revert 32KHz PLL lock udpates if applied previously */
- pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
+ pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (pll_ctrl & DA7213_PLL_32K_MODE) {
snd_soc_component_write(component, 0xF0, 0x8B);
snd_soc_component_write(component, 0xF2, 0x01);
@@ -810,6 +807,11 @@
*/
static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
+ /*
+ * Power Supply
+ */
+ SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
+
/*
* Input & Output
*/
@@ -936,6 +938,9 @@
/* Dest Connecting Widget source */
/* Input path */
+ {"Mic Bias 1", NULL, "VDDMIC"},
+ {"Mic Bias 2", NULL, "VDDMIC"},
+
{"MIC1", NULL, "Mic Bias 1"},
{"MIC2", NULL, "Mic Bias 2"},
@@ -1151,6 +1156,7 @@
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 dai_ctrl = 0;
u8 fs;
@@ -1176,33 +1182,43 @@
switch (params_rate(params)) {
case 8000:
fs = DA7213_SR_8000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 11025:
fs = DA7213_SR_11025;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 12000:
fs = DA7213_SR_12000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 16000:
fs = DA7213_SR_16000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 22050:
fs = DA7213_SR_22050;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 32000:
fs = DA7213_SR_32000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 44100:
fs = DA7213_SR_44100;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 48000:
fs = DA7213_SR_48000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 88200:
fs = DA7213_SR_88200;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 96000:
fs = DA7213_SR_96000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
default:
return -EINVAL;
@@ -1305,7 +1321,10 @@
/* By default only 64 BCLK per WCLK is supported */
dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
- snd_soc_component_write(component, DA7213_DAI_CLK_MODE, dai_clk_mode);
+ snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
+ DA7213_DAI_BCLKS_PER_WCLK_MASK |
+ DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
+ dai_clk_mode);
snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
dai_ctrl);
snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
@@ -1313,7 +1332,7 @@
return 0;
}
-static int da7213_mute(struct snd_soc_dai *dai, int mute)
+static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
@@ -1335,10 +1354,10 @@
#define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
+static int da7213_set_component_sysclk(struct snd_soc_component *component,
+ int clk_id, int source,
+ unsigned int freq, int dir)
{
- struct snd_soc_component *component = codec_dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
int ret = 0;
@@ -1346,7 +1365,7 @@
return 0;
if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
- dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
+ dev_err(component->dev, "Unsupported MCLK value %d\n",
freq);
return -EINVAL;
}
@@ -1362,7 +1381,7 @@
DA7213_PLL_MCLK_SQR_EN);
break;
default:
- dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
+ dev_err(component->dev, "Unknown clock source %d\n", clk_id);
return -EINVAL;
}
@@ -1372,7 +1391,7 @@
freq = clk_round_rate(da7213->mclk, freq);
ret = clk_set_rate(da7213->mclk, freq);
if (ret) {
- dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
+ dev_err(component->dev, "Failed to set clock rate %d\n",
freq);
return ret;
}
@@ -1384,10 +1403,10 @@
}
/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
-static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
- int source, unsigned int fref, unsigned int fout)
+static int _da7213_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source,
+ unsigned int fref, unsigned int fout)
{
- struct snd_soc_component *component = codec_dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 pll_ctrl, indiv_bits, indiv;
@@ -1495,13 +1514,22 @@
return 0;
}
+static int da7213_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source,
+ unsigned int fref, unsigned int fout)
+{
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+ da7213->fixed_clk_auto_pll = false;
+
+ return _da7213_set_component_pll(component, pll_id, source, fref, fout);
+}
+
/* DAI operations */
static const struct snd_soc_dai_ops da7213_dai_ops = {
.hw_params = da7213_hw_params,
.set_fmt = da7213_set_dai_fmt,
- .set_sysclk = da7213_set_dai_sysclk,
- .set_pll = da7213_set_dai_pll,
- .digital_mute = da7213_mute,
+ .mute_stream = da7213_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver da7213_dai = {
@@ -1526,6 +1554,50 @@
.symmetric_rates = 1,
};
+static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
+{
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+ int mode;
+
+ if (!da7213->fixed_clk_auto_pll)
+ return 0;
+
+ da7213->mclk_rate = clk_get_rate(da7213->mclk);
+
+ if (enable) {
+ /* Slave mode needs SRM for non-harmonic frequencies */
+ if (da7213->master)
+ mode = DA7213_SYSCLK_PLL;
+ else
+ mode = DA7213_SYSCLK_PLL_SRM;
+
+ /* PLL is not required for harmonic frequencies */
+ switch (da7213->out_rate) {
+ case DA7213_PLL_FREQ_OUT_90316800:
+ if (da7213->mclk_rate == 11289600 ||
+ da7213->mclk_rate == 22579200 ||
+ da7213->mclk_rate == 45158400)
+ mode = DA7213_SYSCLK_MCLK;
+ break;
+ case DA7213_PLL_FREQ_OUT_98304000:
+ if (da7213->mclk_rate == 12288000 ||
+ da7213->mclk_rate == 24576000 ||
+ da7213->mclk_rate == 49152000)
+ mode = DA7213_SYSCLK_MCLK;
+
+ break;
+ default:
+ return -1;
+ }
+ } else {
+ /* Disable PLL in standby */
+ mode = DA7213_SYSCLK_MCLK;
+ }
+
+ return _da7213_set_component_pll(component, 0, mode,
+ da7213->mclk_rate, da7213->out_rate);
+}
+
static int da7213_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
@@ -1545,6 +1617,8 @@
"Failed to enable mclk\n");
return ret;
}
+
+ da7213_set_auto_pll(component, true);
}
}
break;
@@ -1556,8 +1630,10 @@
DA7213_VMID_EN | DA7213_BIAS_EN);
} else {
/* Remove MCLK */
- if (da7213->mclk)
+ if (da7213->mclk) {
+ da7213_set_auto_pll(component, false);
clk_disable_unprepare(da7213->mclk);
+ }
}
break;
case SND_SOC_BIAS_OFF:
@@ -1572,6 +1648,7 @@
#if defined(CONFIG_OF)
/* DT */
static const struct of_device_id da7213_of_match[] = {
+ { .compatible = "dlg,da7212", },
{ .compatible = "dlg,da7213", },
{ }
};
@@ -1686,10 +1763,11 @@
return pdata;
}
-
static int da7213_probe(struct snd_soc_component *component)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+
+ pm_runtime_get_sync(component->dev);
/* Default to using ALC auto offset calibration mode. */
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
@@ -1811,6 +1889,8 @@
DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
}
+ pm_runtime_put_sync(component->dev);
+
/* Check if MCLK provided */
da7213->mclk = devm_clk_get(component->dev, "mclk");
if (IS_ERR(da7213->mclk)) {
@@ -1818,6 +1898,11 @@
return PTR_ERR(da7213->mclk);
else
da7213->mclk = NULL;
+ } else {
+ /* Do automatic PLL handling assuming fixed clock until
+ * set_pll() has been called. This makes the codec usable
+ * with the simple-audio-card driver. */
+ da7213->fixed_clk_auto_pll = true;
}
return 0;
@@ -1832,6 +1917,8 @@
.num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets),
.dapm_routes = da7213_audio_map,
.num_dapm_routes = ARRAY_SIZE(da7213_audio_map),
+ .set_sysclk = da7213_set_component_sysclk,
+ .set_pll = da7213_set_component_pll,
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
@@ -1848,11 +1935,22 @@
.cache_type = REGCACHE_RBTREE,
};
+static void da7213_power_off(void *data)
+{
+ struct da7213_priv *da7213 = data;
+ regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
+}
+
+static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
+ [DA7213_SUPPLY_VDDA] = "VDDA",
+ [DA7213_SUPPLY_VDDIO] = "VDDIO",
+};
+
static int da7213_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da7213_priv *da7213;
- int ret;
+ int i, ret;
da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
if (!da7213)
@@ -1860,12 +1958,36 @@
i2c_set_clientdata(i2c, da7213);
+ /* Get required supplies */
+ for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
+ da7213->supplies[i].supply = da7213_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
+ da7213->supplies);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
+ if (ret < 0)
+ return ret;
+
da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
if (IS_ERR(da7213->regmap)) {
ret = PTR_ERR(da7213->regmap);
dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
return ret;
}
+
+ pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
+ pm_runtime_use_autosuspend(&i2c->dev);
+ pm_runtime_set_active(&i2c->dev);
+ pm_runtime_enable(&i2c->dev);
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_da7213, &da7213_dai, 1);
@@ -1875,6 +1997,34 @@
}
return ret;
}
+
+static int __maybe_unused da7213_runtime_suspend(struct device *dev)
+{
+ struct da7213_priv *da7213 = dev_get_drvdata(dev);
+
+ regcache_cache_only(da7213->regmap, true);
+ regcache_mark_dirty(da7213->regmap);
+ regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
+
+ return 0;
+}
+
+static int __maybe_unused da7213_runtime_resume(struct device *dev)
+{
+ struct da7213_priv *da7213 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
+ if (ret < 0)
+ return ret;
+ regcache_cache_only(da7213->regmap, false);
+ regcache_sync(da7213->regmap);
+ return 0;
+}
+
+static const struct dev_pm_ops da7213_pm = {
+ SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
+};
static const struct i2c_device_id da7213_i2c_id[] = {
{ "da7213", 0 },
@@ -1888,6 +2038,7 @@
.name = "da7213",
.of_match_table = of_match_ptr(da7213_of_match),
.acpi_match_table = ACPI_PTR(da7213_acpi_match),
+ .pm = &da7213_pm,
},
.probe = da7213_i2c_probe,
.id_table = da7213_i2c_id,
--
Gitblit v1.6.2