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/tas5720.c | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 100 insertions(+), 20 deletions(-)
diff --git a/kernel/sound/soc/codecs/tas5720.c b/kernel/sound/soc/codecs/tas5720.c
index ae3d032..9ff644d 100644
--- a/kernel/sound/soc/codecs/tas5720.c
+++ b/kernel/sound/soc/codecs/tas5720.c
@@ -1,18 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tas5720.c - ALSA SoC Texas Instruments TAS5720 Mono Audio Amplifier
*
- * Copyright (C)2015-2016 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C)2015-2016 Texas Instruments Incorporated - https://www.ti.com
*
* Author: Andreas Dannenberg <dannenberg@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/module.h>
@@ -152,6 +144,7 @@
int slots, int slot_width)
{
struct snd_soc_component *component = dai->component;
+ struct tas5720_data *tas5720 = snd_soc_component_get_drvdata(component);
unsigned int first_slot;
int ret;
@@ -185,6 +178,20 @@
if (ret < 0)
goto error_snd_soc_component_update_bits;
+ /* Configure TDM slot width. This is only applicable to TAS5722. */
+ switch (tas5720->devtype) {
+ case TAS5722:
+ ret = snd_soc_component_update_bits(component, TAS5722_DIGITAL_CTRL2_REG,
+ TAS5722_TDM_SLOT_16B,
+ slot_width == 16 ?
+ TAS5722_TDM_SLOT_16B : 0);
+ if (ret < 0)
+ goto error_snd_soc_component_update_bits;
+ break;
+ default:
+ break;
+ }
+
return 0;
error_snd_soc_component_update_bits:
@@ -192,7 +199,7 @@
return ret;
}
-static int tas5720_mute(struct snd_soc_dai *dai, int mute)
+static int tas5720_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
int ret;
@@ -485,15 +492,56 @@
);
/*
- * DAC digital volumes. From -103.5 to 24 dB in 0.5 dB steps. Note that
- * setting the gain below -100 dB (register value <0x7) is effectively a MUTE
- * as per device datasheet.
+ * DAC digital volumes. From -103.5 to 24 dB in 0.5 dB or 0.25 dB steps
+ * depending on the device. Note that setting the gain below -100 dB
+ * (register value <0x7) is effectively a MUTE as per device datasheet.
+ *
+ * Note that for the TAS5722 the digital volume controls are actually split
+ * over two registers, so we need custom getters/setters for access.
*/
-static DECLARE_TLV_DB_SCALE(dac_tlv, -10350, 50, 0);
+static DECLARE_TLV_DB_SCALE(tas5720_dac_tlv, -10350, 50, 0);
+static DECLARE_TLV_DB_SCALE(tas5722_dac_tlv, -10350, 25, 0);
+
+static int tas5722_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ unsigned int val;
+
+ val = snd_soc_component_read(component, TAS5720_VOLUME_CTRL_REG);
+ ucontrol->value.integer.value[0] = val << 1;
+
+ val = snd_soc_component_read(component, TAS5722_DIGITAL_CTRL2_REG);
+ ucontrol->value.integer.value[0] |= val & TAS5722_VOL_CONTROL_LSB;
+
+ return 0;
+}
+
+static int tas5722_volume_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ unsigned int sel = ucontrol->value.integer.value[0];
+
+ snd_soc_component_write(component, TAS5720_VOLUME_CTRL_REG, sel >> 1);
+ snd_soc_component_update_bits(component, TAS5722_DIGITAL_CTRL2_REG,
+ TAS5722_VOL_CONTROL_LSB, sel);
+
+ return 0;
+}
static const struct snd_kcontrol_new tas5720_snd_controls[] = {
SOC_SINGLE_TLV("Speaker Driver Playback Volume",
- TAS5720_VOLUME_CTRL_REG, 0, 0xff, 0, dac_tlv),
+ TAS5720_VOLUME_CTRL_REG, 0, 0xff, 0, tas5720_dac_tlv),
+ SOC_SINGLE_TLV("Speaker Driver Analog Gain", TAS5720_ANALOG_CTRL_REG,
+ TAS5720_ANALOG_GAIN_SHIFT, 3, 0, dac_analog_tlv),
+};
+
+static const struct snd_kcontrol_new tas5722_snd_controls[] = {
+ SOC_SINGLE_EXT_TLV("Speaker Driver Playback Volume",
+ 0, 0, 511, 0,
+ tas5722_volume_get, tas5722_volume_set,
+ tas5722_dac_tlv),
SOC_SINGLE_TLV("Speaker Driver Analog Gain", TAS5720_ANALOG_CTRL_REG,
TAS5720_ANALOG_GAIN_SHIFT, 3, 0, dac_analog_tlv),
};
@@ -527,6 +575,23 @@
.non_legacy_dai_naming = 1,
};
+static const struct snd_soc_component_driver soc_component_dev_tas5722 = {
+ .probe = tas5720_codec_probe,
+ .remove = tas5720_codec_remove,
+ .suspend = tas5720_suspend,
+ .resume = tas5720_resume,
+ .controls = tas5722_snd_controls,
+ .num_controls = ARRAY_SIZE(tas5722_snd_controls),
+ .dapm_widgets = tas5720_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tas5720_dapm_widgets),
+ .dapm_routes = tas5720_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(tas5720_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
/* PCM rates supported by the TAS5720 driver */
#define TAS5720_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
@@ -539,7 +604,8 @@
.hw_params = tas5720_hw_params,
.set_fmt = tas5720_set_dai_fmt,
.set_tdm_slot = tas5720_set_dai_tdm_slot,
- .digital_mute = tas5720_mute,
+ .mute_stream = tas5720_mute,
+ .no_capture_mute = 1,
};
/*
@@ -613,9 +679,23 @@
dev_set_drvdata(dev, data);
- ret = devm_snd_soc_register_component(&client->dev,
- &soc_component_dev_tas5720,
- tas5720_dai, ARRAY_SIZE(tas5720_dai));
+ switch (id->driver_data) {
+ case TAS5720:
+ ret = devm_snd_soc_register_component(&client->dev,
+ &soc_component_dev_tas5720,
+ tas5720_dai,
+ ARRAY_SIZE(tas5720_dai));
+ break;
+ case TAS5722:
+ ret = devm_snd_soc_register_component(&client->dev,
+ &soc_component_dev_tas5722,
+ tas5720_dai,
+ ARRAY_SIZE(tas5720_dai));
+ break;
+ default:
+ dev_err(dev, "unexpected private driver data\n");
+ return -EINVAL;
+ }
if (ret < 0) {
dev_err(dev, "failed to register component: %d\n", ret);
return ret;
--
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