From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/codecs/da7219.c | 1148 +++++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 791 insertions(+), 357 deletions(-)
diff --git a/kernel/sound/soc/codecs/da7219.c b/kernel/sound/soc/codecs/da7219.c
index e46e9f4..f9e58d6 100644
--- a/kernel/sound/soc/codecs/da7219.c
+++ b/kernel/sound/soc/codecs/da7219.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* da7219.c - DA7219 ALSA SoC Codec Driver
*
* Copyright (c) 2015 Dialog Semiconductor
*
* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
- *
- * 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>
@@ -317,13 +313,13 @@
u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
/* Save current state of mic control register */
- mic_ctrl = snd_soc_component_read32(component, DA7219_MIC_1_CTRL);
+ mic_ctrl = snd_soc_component_read(component, DA7219_MIC_1_CTRL);
/* Save current state of input mixer control register */
- mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL);
+ mixin_ctrl = snd_soc_component_read(component, DA7219_MIXIN_L_CTRL);
/* Save current state of input ADC control register */
- adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL);
+ adc_ctrl = snd_soc_component_read(component, DA7219_ADC_L_CTRL);
/* Enable then Mute MIC PGAs */
snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
@@ -348,7 +344,7 @@
DA7219_ALC_AUTO_CALIB_EN_MASK,
DA7219_ALC_AUTO_CALIB_EN_MASK);
do {
- calib_ctrl = snd_soc_component_read32(component, DA7219_ALC_CTRL1);
+ calib_ctrl = snd_soc_component_read(component, DA7219_ALC_CTRL1);
} while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
/* If auto calibration fails, disable DC offset, hybrid ALC */
@@ -423,7 +419,7 @@
struct soc_mixer_control *mixer_ctrl =
(struct soc_mixer_control *) kcontrol->private_value;
unsigned int reg = mixer_ctrl->reg;
- u16 val;
+ __le16 val;
int ret;
mutex_lock(&da7219->ctrl_lock);
@@ -450,7 +446,7 @@
struct soc_mixer_control *mixer_ctrl =
(struct soc_mixer_control *) kcontrol->private_value;
unsigned int reg = mixer_ctrl->reg;
- u16 val;
+ __le16 val_new, val_old;
int ret;
/*
@@ -458,13 +454,19 @@
* Therefore we need to convert to little endian here to align with
* HW registers.
*/
- val = cpu_to_le16(ucontrol->value.integer.value[0]);
+ val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
mutex_lock(&da7219->ctrl_lock);
- ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
+ ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
+ if (ret == 0 && (val_old != val_new))
+ ret = regmap_raw_write(da7219->regmap, reg,
+ &val_new, sizeof(val_new));
mutex_unlock(&da7219->ctrl_lock);
- return ret;
+ if (ret < 0)
+ return ret;
+
+ return val_old != val_new;
}
@@ -797,6 +799,7 @@
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+ struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
u8 pll_ctrl, pll_status;
int i = 0, ret;
bool srm_lock = false;
@@ -805,11 +808,11 @@
case SND_SOC_DAPM_PRE_PMU:
if (da7219->master) {
/* Enable DAI clks for master mode */
- if (da7219->dai_clks) {
- ret = clk_prepare_enable(da7219->dai_clks);
+ if (bclk) {
+ ret = clk_prepare_enable(bclk);
if (ret) {
dev_err(component->dev,
- "Failed to enable dai_clks\n");
+ "Failed to enable DAI clks\n");
return ret;
}
} else {
@@ -825,20 +828,20 @@
DA7219_PC_FREERUN_MASK, 0);
/* Slave mode, if SRM not enabled no need for status checks */
- pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
+ pll_ctrl = snd_soc_component_read(component, DA7219_PLL_CTRL);
if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
return 0;
/* Check SRM has locked */
do {
- pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
+ pll_status = snd_soc_component_read(component, DA7219_PLL_SRM_STS);
if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
srm_lock = true;
} else {
++i;
msleep(50);
}
- } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
+ } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
if (!srm_lock)
dev_warn(component->dev, "SRM failed to lock\n");
@@ -852,8 +855,8 @@
/* Disable DAI clks if in master mode */
if (da7219->master) {
- if (da7219->dai_clks)
- clk_disable_unprepare(da7219->dai_clks);
+ if (bclk)
+ clk_disable_unprepare(bclk);
else
snd_soc_component_update_bits(component,
DA7219_DAI_CLK_MODE,
@@ -931,7 +934,7 @@
case SND_SOC_DAPM_PRE_PMD:
/* Ensure nominal gain ramping for DAPM sequence */
da7219->gain_ramp_ctrl =
- snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
+ snd_soc_component_read(component, DA7219_GAIN_RAMP_CTRL);
snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
DA7219_GAIN_RAMP_RATE_NOMINAL);
break;
@@ -1376,15 +1379,40 @@
return -EINVAL;
}
- /* By default 64 BCLKs per WCLK is supported */
- dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
-
snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
- DA7219_DAI_BCLKS_PER_WCLK_MASK |
DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
dai_clk_mode);
snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
dai_ctrl);
+
+ return 0;
+}
+
+static int da7219_set_bclks_per_wclk(struct snd_soc_component *component,
+ unsigned long factor)
+{
+ u8 bclks_per_wclk;
+
+ switch (factor) {
+ case 32:
+ bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
+ break;
+ case 64:
+ bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
+ break;
+ case 128:
+ bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
+ break;
+ case 256:
+ bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
+ DA7219_DAI_BCLKS_PER_WCLK_MASK,
+ bclks_per_wclk);
return 0;
}
@@ -1395,107 +1423,94 @@
{
struct snd_soc_component *component = dai->component;
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
- u8 dai_bclks_per_wclk;
+ struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
+ struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
+ unsigned int ch_mask;
+ unsigned long sr, bclk_rate;
+ u8 slot_offset;
u16 offset;
+ __le16 dai_offset;
u32 frame_size;
+ int ret;
- /* No channels enabled so disable TDM, revert to 64-bit frames */
+ /* No channels enabled so disable TDM */
if (!tx_mask) {
snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
DA7219_DAI_TDM_CH_EN_MASK |
DA7219_DAI_TDM_MODE_EN_MASK, 0);
- snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
- DA7219_DAI_BCLKS_PER_WCLK_MASK,
- DA7219_DAI_BCLKS_PER_WCLK_64);
+ da7219->tdm_en = false;
return 0;
}
/* Check we have valid slots */
- if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
- dev_err(component->dev, "Invalid number of slots, max = %d\n",
+ slot_offset = ffs(tx_mask) - 1;
+ ch_mask = (tx_mask >> slot_offset);
+ if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
+ dev_err(component->dev,
+ "Invalid number of slots, max = %d\n",
DA7219_DAI_TDM_MAX_SLOTS);
return -EINVAL;
}
- /* Check we have a valid offset given */
- if (rx_mask > DA7219_DAI_OFFSET_MAX) {
- dev_err(component->dev, "Invalid slot offset, max = %d\n",
- DA7219_DAI_OFFSET_MAX);
+ /*
+ * Ensure we have a valid offset into the frame, based on slot width
+ * and slot offset of first slot we're interested in.
+ */
+ offset = slot_offset * slot_width;
+ if (offset > DA7219_DAI_OFFSET_MAX) {
+ dev_err(component->dev, "Invalid frame offset %d\n", offset);
return -EINVAL;
}
- /* Calculate & validate frame size based on slot info provided. */
- frame_size = slots * slot_width;
- switch (frame_size) {
- case 32:
- dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
- break;
- case 64:
- dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
- break;
- case 128:
- dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
- break;
- case 256:
- dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
- break;
- default:
- dev_err(component->dev, "Invalid frame size %d\n", frame_size);
- return -EINVAL;
+ /*
+ * If we're master, calculate & validate frame size based on slot info
+ * provided as we have a limited set of rates available.
+ */
+ if (da7219->master) {
+ frame_size = slots * slot_width;
+
+ if (bclk) {
+ sr = clk_get_rate(wclk);
+ bclk_rate = sr * frame_size;
+ ret = clk_set_rate(bclk, bclk_rate);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set TDM BCLK rate %lu: %d\n",
+ bclk_rate, ret);
+ return ret;
+ }
+ } else {
+ ret = da7219_set_bclks_per_wclk(component, frame_size);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set TDM BCLKs per WCLK %d: %d\n",
+ frame_size, ret);
+ return ret;
+ }
+ }
}
- snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
- DA7219_DAI_BCLKS_PER_WCLK_MASK,
- dai_bclks_per_wclk);
-
- offset = cpu_to_le16(rx_mask);
+ dai_offset = cpu_to_le16(offset);
regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
- &offset, sizeof(offset));
+ &dai_offset, sizeof(dai_offset));
snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
DA7219_DAI_TDM_CH_EN_MASK |
DA7219_DAI_TDM_MODE_EN_MASK,
- (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
+ (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
DA7219_DAI_TDM_MODE_EN_MASK);
+
+ da7219->tdm_en = true;
return 0;
}
-static int da7219_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
+static int da7219_set_sr(struct snd_soc_component *component,
+ unsigned long rate)
{
- struct snd_soc_component *component = dai->component;
- u8 dai_ctrl = 0, fs;
- unsigned int channels;
+ u8 fs;
- switch (params_width(params)) {
- case 16:
- dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
- break;
- case 20:
- dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
- break;
- case 24:
- dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
- break;
- case 32:
- dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
- break;
- default:
- return -EINVAL;
- }
-
- channels = params_channels(params);
- if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
- dev_err(component->dev,
- "Invalid number of channels, only 1 to %d supported\n",
- DA7219_DAI_CH_NUM_MAX);
- return -EINVAL;
- }
- dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
-
- switch (params_rate(params)) {
+ switch (rate) {
case 8000:
fs = DA7219_SR_8000;
break;
@@ -1533,11 +1548,118 @@
return -EINVAL;
}
+ snd_soc_component_write(component, DA7219_SR, fs);
+
+ return 0;
+}
+
+static int da7219_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 da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+ struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
+ struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
+ u8 dai_ctrl = 0;
+ unsigned int channels;
+ unsigned long sr, bclk_rate;
+ int word_len = params_width(params);
+ int frame_size, ret;
+
+ switch (word_len) {
+ case 16:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
+ break;
+ case 20:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
+ break;
+ case 24:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
+ break;
+ case 32:
+ dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ channels = params_channels(params);
+ if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
+ dev_err(component->dev,
+ "Invalid number of channels, only 1 to %d supported\n",
+ DA7219_DAI_CH_NUM_MAX);
+ return -EINVAL;
+ }
+ dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
+
+ sr = params_rate(params);
+ if (da7219->master && wclk) {
+ ret = clk_set_rate(wclk, sr);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set WCLK SR %lu: %d\n", sr, ret);
+ return ret;
+ }
+ } else {
+ ret = da7219_set_sr(component, sr);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set SR %lu: %d\n", sr, ret);
+ return ret;
+ }
+ }
+
+ /*
+ * If we're master, then we have a limited set of BCLK rates we
+ * support. For slave mode this isn't the case and the codec can detect
+ * the BCLK rate automatically.
+ */
+ if (da7219->master && !da7219->tdm_en) {
+ if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32)
+ frame_size = 32;
+ else
+ frame_size = 64;
+
+ if (bclk) {
+ bclk_rate = frame_size * sr;
+ /*
+ * Rounding the rate here avoids failure trying to set a
+ * new rate on an already enabled bclk. In that
+ * instance this will just set the same rate as is
+ * currently in use, and so should continue without
+ * problem, as long as the BCLK rate is suitable for the
+ * desired frame size.
+ */
+ bclk_rate = clk_round_rate(bclk, bclk_rate);
+ if ((bclk_rate / sr) < frame_size) {
+ dev_err(component->dev,
+ "BCLK rate mismatch against frame size");
+ return -EINVAL;
+ }
+
+ ret = clk_set_rate(bclk, bclk_rate);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set BCLK rate %lu: %d\n",
+ bclk_rate, ret);
+ return ret;
+ }
+ } else {
+ ret = da7219_set_bclks_per_wclk(component, frame_size);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to set BCLKs per WCLK %d: %d\n",
+ frame_size, ret);
+ return ret;
+ }
+ }
+ }
+
snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
DA7219_DAI_WORD_LENGTH_MASK |
DA7219_DAI_CH_NUM_MASK,
dai_ctrl);
- snd_soc_component_write(component, DA7219_SR, fs);
return 0;
}
@@ -1553,20 +1675,26 @@
#define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+#define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000)
+
static struct snd_soc_dai_driver da7219_dai = {
.name = "da7219-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = DA7219_DAI_CH_NUM_MAX,
- .rates = SNDRV_PCM_RATE_8000_96000,
+ .rates = DA7219_RATES,
.formats = DA7219_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = DA7219_DAI_CH_NUM_MAX,
- .rates = SNDRV_PCM_RATE_8000_96000,
+ .rates = DA7219_RATES,
.formats = DA7219_FORMATS,
},
.ops = &da7219_dai_ops,
@@ -1586,11 +1714,13 @@
};
MODULE_DEVICE_TABLE(of, da7219_of_match);
+#ifdef CONFIG_ACPI
static const struct acpi_device_id da7219_acpi_match[] = {
{ .id = "DLGS7219", },
{ }
};
MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
+#endif
static enum da7219_micbias_voltage
da7219_fw_micbias_lvl(struct device *dev, u32 val)
@@ -1629,9 +1759,8 @@
}
}
-static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component)
+static struct da7219_pdata *da7219_fw_to_pdata(struct device *dev)
{
- struct device *dev = component->dev;
struct da7219_pdata *pdata;
const char *of_str;
u32 of_val32;
@@ -1642,11 +1771,14 @@
pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
- pdata->dai_clks_name = "da7219-dai-clks";
- if (device_property_read_string(dev, "clock-output-names",
- &pdata->dai_clks_name))
- dev_warn(dev, "Using default clk name: %s\n",
- pdata->dai_clks_name);
+ pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk";
+ pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk";
+ if (device_property_read_string_array(dev, "clock-output-names",
+ pdata->dai_clk_names,
+ DA7219_DAI_NUM_CLKS) < 0)
+ dev_warn(dev, "Using default DAI clk names: %s, %s\n",
+ pdata->dai_clk_names[DA7219_DAI_WCLK_IDX],
+ pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]);
if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
@@ -1720,23 +1852,26 @@
[DA7219_SUPPLY_VDDIO] = "VDDIO",
};
-static int da7219_handle_supplies(struct snd_soc_component *component)
+static int da7219_handle_supplies(struct snd_soc_component *component,
+ u8 *io_voltage_lvl)
{
struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
struct regulator *vddio;
- u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
int i, ret;
/* Get required supplies */
for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
da7219->supplies[i].supply = da7219_supply_names[i];
- ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
- da7219->supplies);
+ ret = regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
+ da7219->supplies);
if (ret) {
dev_err(component->dev, "Failed to get supplies");
return ret;
}
+
+ /* Default to upper range */
+ *io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
/* Determine VDDIO voltage provided */
vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
@@ -1744,30 +1879,29 @@
if (ret < 1200000)
dev_warn(component->dev, "Invalid VDDIO voltage\n");
else if (ret < 2800000)
- io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
+ *io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
/* Enable main supplies */
ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
if (ret) {
dev_err(component->dev, "Failed to enable supplies");
+ regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
return ret;
}
-
- /* Ensure device in active mode */
- snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
-
- /* Update IO voltage level range */
- snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
return 0;
}
#ifdef CONFIG_COMMON_CLK
-static int da7219_dai_clks_prepare(struct clk_hw *hw)
+static int da7219_wclk_prepare(struct clk_hw *hw)
{
struct da7219_priv *da7219 =
- container_of(hw, struct da7219_priv, dai_clks_hw);
- struct snd_soc_component *component = da7219->aad->component;
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+
+ if (!da7219->master)
+ return -EINVAL;
snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
DA7219_DAI_CLK_EN_MASK,
@@ -1776,72 +1910,351 @@
return 0;
}
-static void da7219_dai_clks_unprepare(struct clk_hw *hw)
+static void da7219_wclk_unprepare(struct clk_hw *hw)
{
struct da7219_priv *da7219 =
- container_of(hw, struct da7219_priv, dai_clks_hw);
- struct snd_soc_component *component = da7219->aad->component;
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+
+ if (!da7219->master)
+ return;
snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
DA7219_DAI_CLK_EN_MASK, 0);
}
-static int da7219_dai_clks_is_prepared(struct clk_hw *hw)
+static int da7219_wclk_is_prepared(struct clk_hw *hw)
{
struct da7219_priv *da7219 =
- container_of(hw, struct da7219_priv, dai_clks_hw);
- struct snd_soc_component *component = da7219->aad->component;
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
u8 clk_reg;
- clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE);
+ if (!da7219->master)
+ return -EINVAL;
+
+ clk_reg = snd_soc_component_read(component, DA7219_DAI_CLK_MODE);
return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
}
-static const struct clk_ops da7219_dai_clks_ops = {
- .prepare = da7219_dai_clks_prepare,
- .unprepare = da7219_dai_clks_unprepare,
- .is_prepared = da7219_dai_clks_is_prepared,
-};
-
-static void da7219_register_dai_clks(struct snd_soc_component *component)
+static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
{
- struct device *dev = component->dev;
- struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
- struct da7219_pdata *pdata = da7219->pdata;
- struct clk_init_data init = {};
- struct clk *dai_clks;
- struct clk_lookup *dai_clks_lookup;
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+ u8 fs = snd_soc_component_read(component, DA7219_SR);
- init.parent_names = NULL;
- init.num_parents = 0;
- init.name = pdata->dai_clks_name;
- init.ops = &da7219_dai_clks_ops;
- da7219->dai_clks_hw.init = &init;
-
- dai_clks = devm_clk_register(dev, &da7219->dai_clks_hw);
- if (IS_ERR(dai_clks)) {
- dev_warn(dev, "Failed to register DAI clocks: %ld\n",
- PTR_ERR(dai_clks));
- return;
- }
- da7219->dai_clks = dai_clks;
-
- /* If we're using DT, then register as provider accordingly */
- if (dev->of_node) {
- devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
- &da7219->dai_clks_hw);
- } else {
- dai_clks_lookup = clkdev_create(dai_clks, pdata->dai_clks_name,
- "%s", dev_name(dev));
- if (!dai_clks_lookup)
- dev_warn(dev, "Failed to create DAI clkdev");
- else
- da7219->dai_clks_lookup = dai_clks_lookup;
+ switch (fs & DA7219_SR_MASK) {
+ case DA7219_SR_8000:
+ return 8000;
+ case DA7219_SR_11025:
+ return 11025;
+ case DA7219_SR_12000:
+ return 12000;
+ case DA7219_SR_16000:
+ return 16000;
+ case DA7219_SR_22050:
+ return 22050;
+ case DA7219_SR_24000:
+ return 24000;
+ case DA7219_SR_32000:
+ return 32000;
+ case DA7219_SR_44100:
+ return 44100;
+ case DA7219_SR_48000:
+ return 48000;
+ case DA7219_SR_88200:
+ return 88200;
+ case DA7219_SR_96000:
+ return 96000;
+ default:
+ return 0;
}
}
+
+static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+
+ if (!da7219->master)
+ return -EINVAL;
+
+ if (rate < 11025)
+ return 8000;
+ else if (rate < 12000)
+ return 11025;
+ else if (rate < 16000)
+ return 12000;
+ else if (rate < 22050)
+ return 16000;
+ else if (rate < 24000)
+ return 22050;
+ else if (rate < 32000)
+ return 24000;
+ else if (rate < 44100)
+ return 32000;
+ else if (rate < 48000)
+ return 44100;
+ else if (rate < 88200)
+ return 48000;
+ else if (rate < 96000)
+ return 88200;
+ else
+ return 96000;
+}
+
+static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_WCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+
+ if (!da7219->master)
+ return -EINVAL;
+
+ return da7219_set_sr(component, rate);
+}
+
+static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_BCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+ u8 bclks_per_wclk = snd_soc_component_read(component,
+ DA7219_DAI_CLK_MODE);
+
+ switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) {
+ case DA7219_DAI_BCLKS_PER_WCLK_32:
+ return parent_rate * 32;
+ case DA7219_DAI_BCLKS_PER_WCLK_64:
+ return parent_rate * 64;
+ case DA7219_DAI_BCLKS_PER_WCLK_128:
+ return parent_rate * 128;
+ case DA7219_DAI_BCLKS_PER_WCLK_256:
+ return parent_rate * 256;
+ default:
+ return 0;
+ }
+}
+
+static unsigned long da7219_bclk_get_factor(unsigned long rate,
+ unsigned long parent_rate)
+{
+ unsigned long factor;
+
+ factor = rate / parent_rate;
+ if (factor < 64)
+ return 32;
+ else if (factor < 128)
+ return 64;
+ else if (factor < 256)
+ return 128;
+ else
+ return 256;
+}
+
+static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_BCLK_IDX]);
+ unsigned long factor;
+
+ if (!*parent_rate || !da7219->master)
+ return -EINVAL;
+
+ /*
+ * We don't allow changing the parent rate as some BCLK rates can be
+ * derived from multiple parent WCLK rates (BCLK rates are set as a
+ * multiplier of WCLK in HW). We just do some rounding down based on the
+ * parent WCLK rate set and find the appropriate multiplier of BCLK to
+ * get the rounded down BCLK value.
+ */
+ factor = da7219_bclk_get_factor(rate, *parent_rate);
+
+ return *parent_rate * factor;
+}
+
+static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct da7219_priv *da7219 =
+ container_of(hw, struct da7219_priv,
+ dai_clks_hw[DA7219_DAI_BCLK_IDX]);
+ struct snd_soc_component *component = da7219->component;
+ unsigned long factor;
+
+ if (!da7219->master)
+ return -EINVAL;
+
+ factor = da7219_bclk_get_factor(rate, parent_rate);
+
+ return da7219_set_bclks_per_wclk(component, factor);
+}
+
+static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = {
+ [DA7219_DAI_WCLK_IDX] = {
+ .prepare = da7219_wclk_prepare,
+ .unprepare = da7219_wclk_unprepare,
+ .is_prepared = da7219_wclk_is_prepared,
+ .recalc_rate = da7219_wclk_recalc_rate,
+ .round_rate = da7219_wclk_round_rate,
+ .set_rate = da7219_wclk_set_rate,
+ },
+ [DA7219_DAI_BCLK_IDX] = {
+ .recalc_rate = da7219_bclk_recalc_rate,
+ .round_rate = da7219_bclk_round_rate,
+ .set_rate = da7219_bclk_set_rate,
+ },
+};
+
+static int da7219_register_dai_clks(struct snd_soc_component *component)
+{
+ struct device *dev = component->dev;
+ struct device_node *np = dev->of_node;
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+ struct da7219_pdata *pdata = da7219->pdata;
+ const char *parent_name;
+ struct clk_hw_onecell_data *clk_data;
+ int i, ret;
+
+ /* For DT platforms allocate onecell data for clock registration */
+ if (np) {
+ clk_data = kzalloc(struct_size(clk_data, hws, DA7219_DAI_NUM_CLKS),
+ GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
+
+ clk_data->num = DA7219_DAI_NUM_CLKS;
+ da7219->clk_hw_data = clk_data;
+ }
+
+ for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) {
+ struct clk_init_data init = {};
+ struct clk_lookup *dai_clk_lookup;
+ struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i];
+
+ switch (i) {
+ case DA7219_DAI_WCLK_IDX:
+ /*
+ * If we can, make MCLK the parent of WCLK to ensure
+ * it's enabled as required.
+ */
+ if (da7219->mclk) {
+ parent_name = __clk_get_name(da7219->mclk);
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ } else {
+ init.parent_names = NULL;
+ init.num_parents = 0;
+ }
+ break;
+ case DA7219_DAI_BCLK_IDX:
+ /* Make WCLK the parent of BCLK */
+ parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]);
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ break;
+ default:
+ dev_err(dev, "Invalid clock index\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ init.name = pdata->dai_clk_names[i];
+ init.ops = &da7219_dai_clk_ops[i];
+ init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE;
+ dai_clk_hw->init = &init;
+
+ ret = clk_hw_register(dev, dai_clk_hw);
+ if (ret) {
+ dev_warn(dev, "Failed to register %s: %d\n", init.name,
+ ret);
+ goto err;
+ }
+ da7219->dai_clks[i] = dai_clk_hw->clk;
+
+ /* For DT setup onecell data, otherwise create lookup */
+ if (np) {
+ da7219->clk_hw_data->hws[i] = dai_clk_hw;
+ } else {
+ dai_clk_lookup = clkdev_hw_create(dai_clk_hw, init.name,
+ "%s", dev_name(dev));
+ if (!dai_clk_lookup) {
+ clk_hw_unregister(dai_clk_hw);
+ ret = -ENOMEM;
+ goto err;
+ } else {
+ da7219->dai_clks_lookup[i] = dai_clk_lookup;
+ }
+ }
+ }
+
+ /* If we're using DT, then register as provider accordingly */
+ if (np) {
+ ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
+ da7219->clk_hw_data);
+ if (ret) {
+ dev_err(dev, "Failed to register clock provider\n");
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ while (--i >= 0) {
+ if (da7219->dai_clks_lookup[i])
+ clkdev_drop(da7219->dai_clks_lookup[i]);
+
+ clk_hw_unregister(&da7219->dai_clks_hw[i]);
+ }
+
+ if (np)
+ kfree(da7219->clk_hw_data);
+
+ return ret;
+}
+
+static void da7219_free_dai_clks(struct snd_soc_component *component)
+{
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+ struct device_node *np = component->dev->of_node;
+ int i;
+
+ if (np)
+ of_clk_del_provider(np);
+
+ for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) {
+ if (da7219->dai_clks_lookup[i])
+ clkdev_drop(da7219->dai_clks_lookup[i]);
+
+ clk_hw_unregister(&da7219->dai_clks_hw[i]);
+ }
+
+ if (np)
+ kfree(da7219->clk_hw_data);
+}
#else
-static inline void da7219_register_dai_clks(struct snd_soc_component *component) {}
+static inline int da7219_register_dai_clks(struct snd_soc_component *component)
+{
+ return 0;
+}
+
+static void da7219_free_dai_clks(struct snd_soc_component *component) {}
#endif /* CONFIG_COMMON_CLK */
static void da7219_handle_pdata(struct snd_soc_component *component)
@@ -1853,8 +2266,6 @@
u8 micbias_lvl = 0;
da7219->wakeup_source = pdata->wakeup_source;
-
- da7219_register_dai_clks(component);
/* Mic Bias voltages */
switch (pdata->micbias_lvl) {
@@ -1890,171 +2301,6 @@
}
}
}
-
-static struct reg_sequence da7219_rev_aa_patch[] = {
- { DA7219_REFERENCES, 0x08 },
-};
-
-static int da7219_probe(struct snd_soc_component *component)
-{
- struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
- unsigned int rev;
- int ret;
-
- mutex_init(&da7219->ctrl_lock);
- mutex_init(&da7219->pll_lock);
-
- /* Regulator configuration */
- ret = da7219_handle_supplies(component);
- if (ret)
- return ret;
-
- ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
- if (ret) {
- dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
- goto err_disable_reg;
- }
-
- switch (rev & DA7219_CHIP_MINOR_MASK) {
- case 0:
- ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
- ARRAY_SIZE(da7219_rev_aa_patch));
- if (ret) {
- dev_err(component->dev, "Failed to register AA patch: %d\n",
- ret);
- goto err_disable_reg;
- }
- break;
- default:
- break;
- }
-
- /* Handle DT/ACPI/Platform data */
- da7219->pdata = dev_get_platdata(component->dev);
- if (!da7219->pdata)
- da7219->pdata = da7219_fw_to_pdata(component);
-
- da7219_handle_pdata(component);
-
- /* Check if MCLK provided */
- da7219->mclk = devm_clk_get(component->dev, "mclk");
- if (IS_ERR(da7219->mclk)) {
- if (PTR_ERR(da7219->mclk) != -ENOENT) {
- ret = PTR_ERR(da7219->mclk);
- goto err_disable_reg;
- } else {
- da7219->mclk = NULL;
- }
- }
-
- /* Default PC counter to free-running */
- snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
- DA7219_PC_FREERUN_MASK);
-
- /* Default gain ramping */
- snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
- DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
- DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
- DA7219_ADC_L_RAMP_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
- DA7219_DAC_L_RAMP_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
- DA7219_DAC_R_RAMP_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
- DA7219_HP_L_AMP_RAMP_EN_MASK,
- DA7219_HP_L_AMP_RAMP_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
- DA7219_HP_R_AMP_RAMP_EN_MASK,
- DA7219_HP_R_AMP_RAMP_EN_MASK);
-
- /* Default minimum gain on HP to avoid pops during DAPM sequencing */
- snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
- DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
- DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
- snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
- DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
- DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
-
- /* Default infinite tone gen, start/stop by Kcontrol */
- snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
-
- /* Initialise AAD block */
- ret = da7219_aad_init(component);
- if (ret)
- goto err_disable_reg;
-
- return 0;
-
-err_disable_reg:
- regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
-
- return ret;
-}
-
-static void da7219_remove(struct snd_soc_component *component)
-{
- struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
-
- da7219_aad_exit(component);
-
-#ifdef CONFIG_COMMON_CLK
- if (da7219->dai_clks_lookup)
- clkdev_drop(da7219->dai_clks_lookup);
-#endif
-
- /* Supplies */
- regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
-}
-
-#ifdef CONFIG_PM
-static int da7219_suspend(struct snd_soc_component *component)
-{
- struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
-
- /* Suspend AAD if we're not a wake-up source */
- if (!da7219->wakeup_source)
- da7219_aad_suspend(component);
-
- snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int da7219_resume(struct snd_soc_component *component)
-{
- struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
-
- snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
-
- /* Resume AAD if previously suspended */
- if (!da7219->wakeup_source)
- da7219_aad_resume(component);
-
- return 0;
-}
-#else
-#define da7219_suspend NULL
-#define da7219_resume NULL
-#endif
-
-static const struct snd_soc_component_driver soc_component_dev_da7219 = {
- .probe = da7219_probe,
- .remove = da7219_remove,
- .suspend = da7219_suspend,
- .resume = da7219_resume,
- .set_bias_level = da7219_set_bias_level,
- .controls = da7219_snd_controls,
- .num_controls = ARRAY_SIZE(da7219_snd_controls),
- .dapm_widgets = da7219_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
- .dapm_routes = da7219_audio_map,
- .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- .non_legacy_dai_naming = 1,
-};
/*
@@ -2192,31 +2438,25 @@
.cache_type = REGCACHE_RBTREE,
};
+static struct reg_sequence da7219_rev_aa_patch[] = {
+ { DA7219_REFERENCES, 0x08 },
+};
-/*
- * I2C layer
- */
-
-static int da7219_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int da7219_probe(struct snd_soc_component *component)
{
- struct da7219_priv *da7219;
- unsigned int system_active, system_status;
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+ unsigned int system_active, system_status, rev;
+ u8 io_voltage_lvl;
int i, ret;
- da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
- GFP_KERNEL);
- if (!da7219)
- return -ENOMEM;
+ da7219->component = component;
+ mutex_init(&da7219->ctrl_lock);
+ mutex_init(&da7219->pll_lock);
- i2c_set_clientdata(i2c, da7219);
-
- da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
- if (IS_ERR(da7219->regmap)) {
- ret = PTR_ERR(da7219->regmap);
- dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+ /* Regulator configuration */
+ ret = da7219_handle_supplies(component, &io_voltage_lvl);
+ if (ret)
return ret;
- }
regcache_cache_bypass(da7219->regmap, true);
@@ -2246,15 +2486,209 @@
DA7219_CIF_REG_SOFT_RESET_MASK);
regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
DA7219_SYSTEM_ACTIVE_MASK, 0);
+ regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
+ DA7219_SYSTEM_ACTIVE_MASK, 1);
regcache_cache_bypass(da7219->regmap, false);
+ regmap_reinit_cache(da7219->regmap, &da7219_regmap_config);
- ret = devm_snd_soc_register_component(&i2c->dev,
- &soc_component_dev_da7219,
- &da7219_dai, 1);
+ /* Update IO voltage level range based on supply level */
+ snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
+
+ ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
+ if (ret) {
+ dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
+ goto err_disable_reg;
+ }
+
+ switch (rev & DA7219_CHIP_MINOR_MASK) {
+ case 0:
+ ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
+ ARRAY_SIZE(da7219_rev_aa_patch));
+ if (ret) {
+ dev_err(component->dev, "Failed to register AA patch: %d\n",
+ ret);
+ goto err_disable_reg;
+ }
+ break;
+ default:
+ break;
+ }
+
+ /* Handle DT/ACPI/Platform data */
+ da7219_handle_pdata(component);
+
+ /* Check if MCLK provided */
+ da7219->mclk = clk_get(component->dev, "mclk");
+ if (IS_ERR(da7219->mclk)) {
+ if (PTR_ERR(da7219->mclk) != -ENOENT) {
+ ret = PTR_ERR(da7219->mclk);
+ goto err_disable_reg;
+ } else {
+ da7219->mclk = NULL;
+ }
+ }
+
+ /* Register CCF DAI clock control */
+ ret = da7219_register_dai_clks(component);
+ if (ret)
+ goto err_put_clk;
+
+ /* Default PC counter to free-running */
+ snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
+ DA7219_PC_FREERUN_MASK);
+
+ /* Default gain ramping */
+ snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
+ DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
+ DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
+ DA7219_ADC_L_RAMP_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
+ DA7219_DAC_L_RAMP_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
+ DA7219_DAC_R_RAMP_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_RAMP_EN_MASK,
+ DA7219_HP_L_AMP_RAMP_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_RAMP_EN_MASK,
+ DA7219_HP_R_AMP_RAMP_EN_MASK);
+
+ /* Default minimum gain on HP to avoid pops during DAPM sequencing */
+ snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
+ DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
+ snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
+ DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
+
+ /* Default infinite tone gen, start/stop by Kcontrol */
+ snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
+
+ /* Initialise AAD block */
+ ret = da7219_aad_init(component);
+ if (ret)
+ goto err_free_dai_clks;
+
+ return 0;
+
+err_free_dai_clks:
+ da7219_free_dai_clks(component);
+
+err_put_clk:
+ clk_put(da7219->mclk);
+
+err_disable_reg:
+ regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
+ regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
+
+ return ret;
+}
+
+static void da7219_remove(struct snd_soc_component *component)
+{
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+
+ da7219_aad_exit(component);
+
+ da7219_free_dai_clks(component);
+ clk_put(da7219->mclk);
+
+ /* Supplies */
+ regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
+ regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
+}
+
+#ifdef CONFIG_PM
+static int da7219_suspend(struct snd_soc_component *component)
+{
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+
+ /* Suspend AAD if we're not a wake-up source */
+ if (!da7219->wakeup_source)
+ da7219_aad_suspend(component);
+
+ snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int da7219_resume(struct snd_soc_component *component)
+{
+ struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
+
+ snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
+
+ /* Resume AAD if previously suspended */
+ if (!da7219->wakeup_source)
+ da7219_aad_resume(component);
+
+ return 0;
+}
+#else
+#define da7219_suspend NULL
+#define da7219_resume NULL
+#endif
+
+static const struct snd_soc_component_driver soc_component_dev_da7219 = {
+ .probe = da7219_probe,
+ .remove = da7219_remove,
+ .suspend = da7219_suspend,
+ .resume = da7219_resume,
+ .set_bias_level = da7219_set_bias_level,
+ .controls = da7219_snd_controls,
+ .num_controls = ARRAY_SIZE(da7219_snd_controls),
+ .dapm_widgets = da7219_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
+ .dapm_routes = da7219_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+
+/*
+ * I2C layer
+ */
+
+static int da7219_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &i2c->dev;
+ struct da7219_priv *da7219;
+ int ret;
+
+ da7219 = devm_kzalloc(dev, sizeof(struct da7219_priv),
+ GFP_KERNEL);
+ if (!da7219)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, da7219);
+
+ da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
+ if (IS_ERR(da7219->regmap)) {
+ ret = PTR_ERR(da7219->regmap);
+ dev_err(dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Retrieve DT/ACPI/Platform data */
+ da7219->pdata = dev_get_platdata(dev);
+ if (!da7219->pdata)
+ da7219->pdata = da7219_fw_to_pdata(dev);
+
+ /* AAD */
+ ret = da7219_aad_probe(i2c);
+ if (ret)
+ return ret;
+
+ ret = devm_snd_soc_register_component(dev, &soc_component_dev_da7219,
+ &da7219_dai, 1);
if (ret < 0) {
- dev_err(&i2c->dev, "Failed to register da7219 component: %d\n",
- ret);
+ dev_err(dev, "Failed to register da7219 component: %d\n", ret);
}
return ret;
}
--
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