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Diffstat (limited to 'sound/soc/codecs/wm8985.c')
-rw-r--r--sound/soc/codecs/wm8985.c143
1 files changed, 108 insertions, 35 deletions
diff --git a/sound/soc/codecs/wm8985.c b/sound/soc/codecs/wm8985.c
index 6ac76fe116b0..7347abff4b2c 100644
--- a/sound/soc/codecs/wm8985.c
+++ b/sound/soc/codecs/wm8985.c
@@ -1,10 +1,13 @@
/*
- * wm8985.c -- WM8985 ALSA SoC Audio driver
+ * wm8985.c -- WM8985 / WM8758 ALSA SoC Audio driver
*
* Copyright 2010 Wolfson Microelectronics plc
- *
* Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
*
+ * WM8758 support:
+ * Copyright: 2016 Barix AG
+ * Author: Petr Kulhavy <petr@barix.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.
@@ -40,6 +43,11 @@ static const char *wm8985_supply_names[WM8985_NUM_SUPPLIES] = {
"AVDD2"
};
+enum wm8985_type {
+ WM8985,
+ WM8758,
+};
+
static const struct reg_default wm8985_reg_defaults[] = {
{ 1, 0x0000 }, /* R1 - Power management 1 */
{ 2, 0x0000 }, /* R2 - Power management 2 */
@@ -181,6 +189,7 @@ static const int volume_update_regs[] = {
struct wm8985_priv {
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8985_NUM_SUPPLIES];
+ enum wm8985_type dev_type;
unsigned int sysclk;
unsigned int bclk;
};
@@ -289,7 +298,7 @@ static const char *depth_3d_text[] = {
};
static SOC_ENUM_SINGLE_DECL(depth_3d, WM8985_3D_CONTROL, 0, depth_3d_text);
-static const struct snd_kcontrol_new wm8985_snd_controls[] = {
+static const struct snd_kcontrol_new wm8985_common_snd_controls[] = {
SOC_SINGLE("Digital Loopback Switch", WM8985_COMPANDING_CONTROL,
0, 1, 0),
@@ -355,10 +364,6 @@ static const struct snd_kcontrol_new wm8985_snd_controls[] = {
SOC_ENUM("High Pass Filter Mode", filter_mode),
SOC_SINGLE("High Pass Filter Cutoff", WM8985_ADC_CONTROL, 4, 7, 0),
- SOC_DOUBLE_R_TLV("Aux Bypass Volume",
- WM8985_LEFT_MIXER_CTRL, WM8985_RIGHT_MIXER_CTRL, 6, 7, 0,
- aux_tlv),
-
SOC_DOUBLE_R_TLV("Input PGA Bypass Volume",
WM8985_LEFT_MIXER_CTRL, WM8985_RIGHT_MIXER_CTRL, 2, 7, 0,
bypass_tlv),
@@ -379,20 +384,30 @@ static const struct snd_kcontrol_new wm8985_snd_controls[] = {
SOC_SINGLE_TLV("EQ5 Volume", WM8985_EQ5_HIGH_SHELF, 0, 24, 1, eq_tlv),
SOC_ENUM("3D Depth", depth_3d),
+};
+
+static const struct snd_kcontrol_new wm8985_specific_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("Aux Bypass Volume",
+ WM8985_LEFT_MIXER_CTRL, WM8985_RIGHT_MIXER_CTRL, 6, 7, 0,
+ aux_tlv),
SOC_ENUM("Speaker Mode", speaker_mode)
};
static const struct snd_kcontrol_new left_out_mixer[] = {
SOC_DAPM_SINGLE("Line Switch", WM8985_LEFT_MIXER_CTRL, 1, 1, 0),
- SOC_DAPM_SINGLE("Aux Switch", WM8985_LEFT_MIXER_CTRL, 5, 1, 0),
SOC_DAPM_SINGLE("PCM Switch", WM8985_LEFT_MIXER_CTRL, 0, 1, 0),
+
+ /* --- WM8985 only --- */
+ SOC_DAPM_SINGLE("Aux Switch", WM8985_LEFT_MIXER_CTRL, 5, 1, 0),
};
static const struct snd_kcontrol_new right_out_mixer[] = {
SOC_DAPM_SINGLE("Line Switch", WM8985_RIGHT_MIXER_CTRL, 1, 1, 0),
- SOC_DAPM_SINGLE("Aux Switch", WM8985_RIGHT_MIXER_CTRL, 5, 1, 0),
SOC_DAPM_SINGLE("PCM Switch", WM8985_RIGHT_MIXER_CTRL, 0, 1, 0),
+
+ /* --- WM8985 only --- */
+ SOC_DAPM_SINGLE("Aux Switch", WM8985_RIGHT_MIXER_CTRL, 5, 1, 0),
};
static const struct snd_kcontrol_new left_input_mixer[] = {
@@ -410,6 +425,8 @@ static const struct snd_kcontrol_new right_input_mixer[] = {
static const struct snd_kcontrol_new left_boost_mixer[] = {
SOC_DAPM_SINGLE_TLV("L2 Volume", WM8985_LEFT_ADC_BOOST_CTRL,
4, 7, 0, boost_tlv),
+
+ /* --- WM8985 only --- */
SOC_DAPM_SINGLE_TLV("AUXL Volume", WM8985_LEFT_ADC_BOOST_CTRL,
0, 7, 0, boost_tlv)
};
@@ -417,11 +434,13 @@ static const struct snd_kcontrol_new left_boost_mixer[] = {
static const struct snd_kcontrol_new right_boost_mixer[] = {
SOC_DAPM_SINGLE_TLV("R2 Volume", WM8985_RIGHT_ADC_BOOST_CTRL,
4, 7, 0, boost_tlv),
+
+ /* --- WM8985 only --- */
SOC_DAPM_SINGLE_TLV("AUXR Volume", WM8985_RIGHT_ADC_BOOST_CTRL,
0, 7, 0, boost_tlv)
};
-static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
+static const struct snd_soc_dapm_widget wm8985_common_dapm_widgets[] = {
SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8985_POWER_MANAGEMENT_3,
0, 0),
SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8985_POWER_MANAGEMENT_3,
@@ -431,21 +450,11 @@ static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8985_POWER_MANAGEMENT_2,
1, 0),
- SND_SOC_DAPM_MIXER("Left Output Mixer", WM8985_POWER_MANAGEMENT_3,
- 2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)),
- SND_SOC_DAPM_MIXER("Right Output Mixer", WM8985_POWER_MANAGEMENT_3,
- 3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)),
-
SND_SOC_DAPM_MIXER("Left Input Mixer", WM8985_POWER_MANAGEMENT_2,
2, 0, left_input_mixer, ARRAY_SIZE(left_input_mixer)),
SND_SOC_DAPM_MIXER("Right Input Mixer", WM8985_POWER_MANAGEMENT_2,
3, 0, right_input_mixer, ARRAY_SIZE(right_input_mixer)),
- SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8985_POWER_MANAGEMENT_2,
- 4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)),
- SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8985_POWER_MANAGEMENT_2,
- 5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)),
-
SND_SOC_DAPM_PGA("Left Capture PGA", WM8985_LEFT_INP_PGA_GAIN_CTRL,
6, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Capture PGA", WM8985_RIGHT_INP_PGA_GAIN_CTRL,
@@ -468,8 +477,6 @@ static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("LIP"),
SND_SOC_DAPM_INPUT("RIN"),
SND_SOC_DAPM_INPUT("RIP"),
- SND_SOC_DAPM_INPUT("AUXL"),
- SND_SOC_DAPM_INPUT("AUXR"),
SND_SOC_DAPM_INPUT("L2"),
SND_SOC_DAPM_INPUT("R2"),
SND_SOC_DAPM_OUTPUT("HPL"),
@@ -478,13 +485,42 @@ static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("SPKR")
};
-static const struct snd_soc_dapm_route wm8985_dapm_routes[] = {
+static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Output Mixer", WM8985_POWER_MANAGEMENT_3,
+ 2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)),
+ SND_SOC_DAPM_MIXER("Right Output Mixer", WM8985_POWER_MANAGEMENT_3,
+ 3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)),
+
+ SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8985_POWER_MANAGEMENT_2,
+ 4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)),
+ SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8985_POWER_MANAGEMENT_2,
+ 5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)),
+
+ SND_SOC_DAPM_INPUT("AUXL"),
+ SND_SOC_DAPM_INPUT("AUXR"),
+};
+
+static const struct snd_soc_dapm_widget wm8758_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Output Mixer", WM8985_POWER_MANAGEMENT_3,
+ 2, 0, left_out_mixer,
+ ARRAY_SIZE(left_out_mixer) - 1),
+ SND_SOC_DAPM_MIXER("Right Output Mixer", WM8985_POWER_MANAGEMENT_3,
+ 3, 0, right_out_mixer,
+ ARRAY_SIZE(right_out_mixer) - 1),
+
+ SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8985_POWER_MANAGEMENT_2,
+ 4, 0, left_boost_mixer,
+ ARRAY_SIZE(left_boost_mixer) - 1),
+ SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8985_POWER_MANAGEMENT_2,
+ 5, 0, right_boost_mixer,
+ ARRAY_SIZE(right_boost_mixer) - 1),
+};
+
+static const struct snd_soc_dapm_route wm8985_common_dapm_routes[] = {
{ "Right Output Mixer", "PCM Switch", "Right DAC" },
- { "Right Output Mixer", "Aux Switch", "AUXR" },
{ "Right Output Mixer", "Line Switch", "Right Boost Mixer" },
{ "Left Output Mixer", "PCM Switch", "Left DAC" },
- { "Left Output Mixer", "Aux Switch", "AUXL" },
{ "Left Output Mixer", "Line Switch", "Left Boost Mixer" },
{ "Right Headphone Out", NULL, "Right Output Mixer" },
@@ -501,13 +537,11 @@ static const struct snd_soc_dapm_route wm8985_dapm_routes[] = {
{ "Right ADC", NULL, "Right Boost Mixer" },
- { "Right Boost Mixer", "AUXR Volume", "AUXR" },
{ "Right Boost Mixer", NULL, "Right Capture PGA" },
{ "Right Boost Mixer", "R2 Volume", "R2" },
{ "Left ADC", NULL, "Left Boost Mixer" },
- { "Left Boost Mixer", "AUXL Volume", "AUXL" },
{ "Left Boost Mixer", NULL, "Left Capture PGA" },
{ "Left Boost Mixer", "L2 Volume", "L2" },
@@ -522,6 +556,38 @@ static const struct snd_soc_dapm_route wm8985_dapm_routes[] = {
{ "Left Input Mixer", "MicN Switch", "LIN" },
{ "Left Input Mixer", "MicP Switch", "LIP" },
};
+static const struct snd_soc_dapm_route wm8985_aux_dapm_routes[] = {
+ { "Right Output Mixer", "Aux Switch", "AUXR" },
+ { "Left Output Mixer", "Aux Switch", "AUXL" },
+
+ { "Right Boost Mixer", "AUXR Volume", "AUXR" },
+ { "Left Boost Mixer", "AUXL Volume", "AUXL" },
+};
+
+static int wm8985_add_widgets(struct snd_soc_codec *codec)
+{
+ struct wm8985_priv *wm8985 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+
+ switch (wm8985->dev_type) {
+ case WM8758:
+ snd_soc_dapm_new_controls(dapm, wm8758_dapm_widgets,
+ ARRAY_SIZE(wm8758_dapm_widgets));
+ break;
+
+ case WM8985:
+ snd_soc_add_codec_controls(codec, wm8985_specific_snd_controls,
+ ARRAY_SIZE(wm8985_specific_snd_controls));
+
+ snd_soc_dapm_new_controls(dapm, wm8985_dapm_widgets,
+ ARRAY_SIZE(wm8985_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, wm8985_aux_dapm_routes,
+ ARRAY_SIZE(wm8985_aux_dapm_routes));
+ break;
+ }
+
+ return 0;
+}
static int eqmode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
@@ -999,6 +1065,8 @@ static int wm8985_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8985_BIAS_CTRL, WM8985_BIASCUT,
WM8985_BIASCUT);
+ wm8985_add_widgets(codec);
+
return 0;
err_reg_enable:
@@ -1042,12 +1110,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8985 = {
.set_bias_level = wm8985_set_bias_level,
.suspend_bias_off = true,
- .controls = wm8985_snd_controls,
- .num_controls = ARRAY_SIZE(wm8985_snd_controls),
- .dapm_widgets = wm8985_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(wm8985_dapm_widgets),
- .dapm_routes = wm8985_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(wm8985_dapm_routes),
+ .controls = wm8985_common_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8985_common_snd_controls),
+ .dapm_widgets = wm8985_common_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8985_common_dapm_widgets),
+ .dapm_routes = wm8985_common_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8985_common_dapm_routes),
};
static const struct regmap_config wm8985_regmap = {
@@ -1074,6 +1142,8 @@ static int wm8985_spi_probe(struct spi_device *spi)
spi_set_drvdata(spi, wm8985);
+ wm8985->dev_type = WM8985;
+
wm8985->regmap = devm_regmap_init_spi(spi, &wm8985_regmap);
if (IS_ERR(wm8985->regmap)) {
ret = PTR_ERR(wm8985->regmap);
@@ -1115,6 +1185,8 @@ static int wm8985_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, wm8985);
+ wm8985->dev_type = id->driver_data;
+
wm8985->regmap = devm_regmap_init_i2c(i2c, &wm8985_regmap);
if (IS_ERR(wm8985->regmap)) {
ret = PTR_ERR(wm8985->regmap);
@@ -1135,7 +1207,8 @@ static int wm8985_i2c_remove(struct i2c_client *i2c)
}
static const struct i2c_device_id wm8985_i2c_id[] = {
- { "wm8985", 0 },
+ { "wm8985", WM8985 },
+ { "wm8758", WM8758 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8985_i2c_id);
@@ -1183,6 +1256,6 @@ static void __exit wm8985_exit(void)
}
module_exit(wm8985_exit);
-MODULE_DESCRIPTION("ASoC WM8985 driver");
+MODULE_DESCRIPTION("ASoC WM8985 / WM8758 driver");
MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.