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Diffstat (limited to 'sound/soc/codecs/wm8960.c')
-rw-r--r--sound/soc/codecs/wm8960.c926
1 files changed, 708 insertions, 218 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 0a4ffdd1d2a7..384e8e703446 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* wm8960.c -- WM8960 ALSA SoC Audio driver
*
* Copyright 2007-11 Wolfson Microelectronics, plc
*
* Author: Liam Girdwood
- *
- * 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.
*/
#include <linux/module.h>
@@ -15,7 +12,9 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/clk.h>
#include <linux/i2c.h>
+#include <linux/acpi.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -47,6 +46,11 @@
#define WM8960_DISOP 0x40
#define WM8960_DRES_MASK 0x30
+#define WM8960_DSCH_TOUT 600 /* discharge timeout, ms */
+
+static bool is_pll_freq_available(unsigned int source, unsigned int target);
+static int wm8960_set_pll(struct snd_soc_component *component,
+ unsigned int freq_in, unsigned int freq_out);
/*
* wm8960 register cache
* We can't read the WM8960 register space when we are
@@ -116,18 +120,36 @@ static bool wm8960_volatile(struct device *dev, unsigned int reg)
}
}
+#define WM8960_NUM_SUPPLIES 5
+static const char *wm8960_supply_names[WM8960_NUM_SUPPLIES] = {
+ "DCVDD",
+ "DBVDD",
+ "AVDD",
+ "SPKVDD1",
+ "SPKVDD2",
+};
+
struct wm8960_priv {
+ struct clk *mclk;
struct regmap *regmap;
- int (*set_bias_level)(struct snd_soc_codec *,
+ int (*set_bias_level)(struct snd_soc_component *,
enum snd_soc_bias_level level);
struct snd_soc_dapm_widget *lout1;
struct snd_soc_dapm_widget *rout1;
struct snd_soc_dapm_widget *out3;
bool deemph;
- int playback_fs;
+ int lrclk;
+ int bclk;
+ int sysclk;
+ int clk_id;
+ int freq_in;
+ bool is_stream_in_use[2];
+ struct wm8960_data pdata;
+ ktime_t dsch_start;
+ struct regulator_bulk_data supplies[WM8960_NUM_SUPPLIES];
};
-#define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0)
+#define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0)
/* enumerated controls */
static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
@@ -136,6 +158,14 @@ static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
+static const char *wm8960_adc_data_output_sel[] = {
+ "Left Data = Left ADC; Right Data = Right ADC",
+ "Left Data = Left ADC; Right Data = Left ADC",
+ "Left Data = Right ADC; Right Data = Right ADC",
+ "Left Data = Right ADC; Right Data = Left ADC",
+};
+static const char *wm8960_dmonomix[] = {"Stereo", "Mono"};
+static const char *wm8960_dacslope[] = {"Normal", "Sloping"};
static const struct soc_enum wm8960_enum[] = {
SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
@@ -144,13 +174,16 @@ static const struct soc_enum wm8960_enum[] = {
SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
+ SOC_ENUM_SINGLE(WM8960_ADDCTL1, 2, 4, wm8960_adc_data_output_sel),
+ SOC_ENUM_SINGLE(WM8960_ADDCTL1, 4, 2, wm8960_dmonomix),
+ SOC_ENUM_SINGLE(WM8960_DACCTL2, 1, 2, wm8960_dacslope),
};
static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
-static int wm8960_set_deemph(struct snd_soc_codec *codec)
+static int wm8960_set_deemph(struct snd_soc_component *component)
{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
int val, i, best;
/* If we're using deemphasis select the nearest available sample
@@ -159,8 +192,8 @@ static int wm8960_set_deemph(struct snd_soc_codec *codec)
if (wm8960->deemph) {
best = 1;
for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
- if (abs(deemph_settings[i] - wm8960->playback_fs) <
- abs(deemph_settings[best] - wm8960->playback_fs))
+ if (abs(deemph_settings[i] - wm8960->lrclk) <
+ abs(deemph_settings[best] - wm8960->lrclk))
best = i;
}
@@ -169,59 +202,68 @@ static int wm8960_set_deemph(struct snd_soc_codec *codec)
val = 0;
}
- dev_dbg(codec->dev, "Set deemphasis %d\n", val);
+ dev_dbg(component->dev, "Set deemphasis %d\n", val);
- return snd_soc_update_bits(codec, WM8960_DACCTL1,
+ return snd_soc_component_update_bits(component, WM8960_DACCTL1,
0x6, val);
}
static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
- ucontrol->value.enumerated.item[0] = wm8960->deemph;
+ ucontrol->value.integer.value[0] = wm8960->deemph;
return 0;
}
static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- int deemph = ucontrol->value.enumerated.item[0];
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1)
return -EINVAL;
wm8960->deemph = deemph;
- return wm8960_set_deemph(codec);
+ return wm8960_set_deemph(component);
}
-static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
-static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
+static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1725, 75, 0);
+static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
-static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
+static const DECLARE_TLV_DB_SCALE(lineinboost_tlv, -1500, 300, 1);
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(micboost_tlv,
+ 0, 1, TLV_DB_SCALE_ITEM(0, 1300, 0),
+ 2, 3, TLV_DB_SCALE_ITEM(2000, 900, 0),
+);
static const struct snd_kcontrol_new wm8960_snd_controls[] = {
SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
- 0, 63, 0, adc_tlv),
+ 0, 63, 0, inpga_tlv),
SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
6, 1, 0),
SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
- 7, 1, 0),
+ 7, 1, 1),
-SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
- WM8960_INBMIX1, 4, 7, 0, boost_tlv),
-SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
- WM8960_INBMIX1, 1, 7, 0, boost_tlv),
SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
- WM8960_INBMIX2, 4, 7, 0, boost_tlv),
+ WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv),
SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
- WM8960_INBMIX2, 1, 7, 0, boost_tlv),
+ WM8960_INBMIX1, 1, 7, 0, lineinboost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
+ WM8960_INBMIX2, 4, 7, 0, lineinboost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
+ WM8960_INBMIX2, 1, 7, 0, lineinboost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT1 Volume",
+ WM8960_RINPATH, 4, 3, 0, micboost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT1 Volume",
+ WM8960_LINPATH, 4, 3, 0, micboost_tlv),
SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
0, 255, 0, dac_tlv),
@@ -242,7 +284,7 @@ SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
SOC_ENUM("ADC Polarity", wm8960_enum[0]),
SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
-SOC_ENUM("DAC Polarity", wm8960_enum[2]),
+SOC_ENUM("DAC Polarity", wm8960_enum[1]),
SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
wm8960_get_deemph, wm8960_put_deemph),
@@ -263,8 +305,8 @@ SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
-SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
- 0, 127, 0),
+SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
+ 0, 255, 0, adc_tlv),
SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
@@ -274,6 +316,10 @@ SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
+
+SOC_ENUM("ADC Data Output Select", wm8960_enum[6]),
+SOC_ENUM("DAC Mono Mix", wm8960_enum[7]),
+SOC_ENUM("DAC Filter Characteristics", wm8960_enum[8]),
};
static const struct snd_kcontrol_new wm8960_lin_boost[] = {
@@ -380,8 +426,8 @@ static const struct snd_soc_dapm_route audio_paths[] = {
{ "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
{ "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
- { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", },
- { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */
+ { "Left Input Mixer", "Boost Switch", "Left Boost Mixer" },
+ { "Left Input Mixer", "Boost Switch", "LINPUT1" }, /* Really Boost Switch */
{ "Left Input Mixer", NULL, "LINPUT2" },
{ "Left Input Mixer", NULL, "LINPUT3" },
@@ -389,20 +435,20 @@ static const struct snd_soc_dapm_route audio_paths[] = {
{ "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
{ "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
- { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", },
- { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */
+ { "Right Input Mixer", "Boost Switch", "Right Boost Mixer" },
+ { "Right Input Mixer", "Boost Switch", "RINPUT1" }, /* Really Boost Switch */
{ "Right Input Mixer", NULL, "RINPUT2" },
- { "Right Input Mixer", NULL, "LINPUT3" },
+ { "Right Input Mixer", NULL, "RINPUT3" },
{ "Left ADC", NULL, "Left Input Mixer" },
{ "Right ADC", NULL, "Right Input Mixer" },
{ "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
- { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} ,
+ { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer" },
{ "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
{ "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
- { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
+ { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" },
{ "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
{ "LOUT1 PGA", NULL, "Left Output Mixer" },
@@ -438,11 +484,11 @@ static const struct snd_soc_dapm_route audio_paths_capless[] = {
{ "OUT3 VMID", NULL, "Right Output Mixer" },
};
-static int wm8960_add_widgets(struct snd_soc_codec *codec)
+static int wm8960_add_widgets(struct snd_soc_component *component)
{
- struct wm8960_data *pdata = codec->dev->platform_data;
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ struct wm8960_data *pdata = &wm8960->pdata;
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
struct snd_soc_dapm_widget *w;
snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
@@ -472,8 +518,8 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
* list each time to find the desired power state do so now
* and save the result.
*/
- list_for_each_entry(w, &codec->card->widgets, list) {
- if (w->dapm != &codec->dapm)
+ list_for_each_entry(w, &component->card->widgets, list) {
+ if (w->dapm != dapm)
continue;
if (strcmp(w->name, "LOUT1 PGA") == 0)
wm8960->lout1 = w;
@@ -489,15 +535,15 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u16 iface = 0;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ case SND_SOC_DAIFMT_CBP_CFP:
iface |= 0x0040;
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
return -EINVAL;
@@ -541,7 +587,7 @@ static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
/* set iface */
- snd_soc_write(codec, WM8960_IFACE1, iface);
+ snd_soc_component_write(component, WM8960_IFACE1, iface);
return 0;
}
@@ -555,138 +601,428 @@ static struct {
{ 22050, 2 },
{ 24000, 2 },
{ 16000, 3 },
- { 11250, 4 },
+ { 11025, 4 },
{ 12000, 4 },
{ 8000, 5 },
};
+/* -1 for reserved value */
+static const int sysclk_divs[] = { 1, -1, 2, -1 };
+
+/* Multiply 256 for internal 256 div */
+static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
+
+/* Multiply 10 to eliminate decimials */
+static const int bclk_divs[] = {
+ 10, 15, 20, 30, 40, 55, 60, 80, 110,
+ 120, 160, 220, 240, 320, 320, 320
+};
+
+/**
+ * wm8960_configure_sysclk - checks if there is a sysclk frequency available
+ * The sysclk must be chosen such that:
+ * - sysclk = MCLK / sysclk_divs
+ * - lrclk = sysclk / dac_divs
+ * - 10 * bclk = sysclk / bclk_divs
+ *
+ * @wm8960: codec private data
+ * @mclk: MCLK used to derive sysclk
+ * @sysclk_idx: sysclk_divs index for found sysclk
+ * @dac_idx: dac_divs index for found lrclk
+ * @bclk_idx: bclk_divs index for found bclk
+ *
+ * Returns:
+ * -1, in case no sysclk frequency available found
+ * >=0, in case we could derive bclk and lrclk from sysclk using
+ * (@sysclk_idx, @dac_idx, @bclk_idx) dividers
+ */
+static
+int wm8960_configure_sysclk(struct wm8960_priv *wm8960, int mclk,
+ int *sysclk_idx, int *dac_idx, int *bclk_idx)
+{
+ int sysclk, bclk, lrclk;
+ int i, j, k;
+ int diff;
+
+ /* marker for no match */
+ *bclk_idx = -1;
+
+ bclk = wm8960->bclk;
+ lrclk = wm8960->lrclk;
+
+ /* check if the sysclk frequency is available. */
+ for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
+ if (sysclk_divs[i] == -1)
+ continue;
+ sysclk = mclk / sysclk_divs[i];
+ for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
+ if (sysclk != dac_divs[j] * lrclk)
+ continue;
+ for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
+ diff = sysclk - bclk * bclk_divs[k] / 10;
+ if (diff == 0) {
+ *sysclk_idx = i;
+ *dac_idx = j;
+ *bclk_idx = k;
+ break;
+ }
+ }
+ if (k != ARRAY_SIZE(bclk_divs))
+ break;
+ }
+ if (j != ARRAY_SIZE(dac_divs))
+ break;
+ }
+ return *bclk_idx;
+}
+
+/**
+ * wm8960_configure_pll - checks if there is a PLL out frequency available
+ * The PLL out frequency must be chosen such that:
+ * - sysclk = lrclk * dac_divs
+ * - freq_out = sysclk * sysclk_divs
+ * - 10 * sysclk = bclk * bclk_divs
+ *
+ * If we cannot find an exact match for (sysclk, lrclk, bclk)
+ * triplet, we relax the bclk such that bclk is chosen as the
+ * closest available frequency greater than expected bclk.
+ *
+ * @component: component structure
+ * @freq_in: input frequency used to derive freq out via PLL
+ * @sysclk_idx: sysclk_divs index for found sysclk
+ * @dac_idx: dac_divs index for found lrclk
+ * @bclk_idx: bclk_divs index for found bclk
+ *
+ * Returns:
+ * < 0, in case no PLL frequency out available was found
+ * >=0, in case we could derive bclk, lrclk, sysclk from PLL out using
+ * (@sysclk_idx, @dac_idx, @bclk_idx) dividers
+ */
+static
+int wm8960_configure_pll(struct snd_soc_component *component, int freq_in,
+ int *sysclk_idx, int *dac_idx, int *bclk_idx)
+{
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ int sysclk, bclk, lrclk, freq_out;
+ int diff, closest, best_freq_out;
+ int i, j, k;
+
+ bclk = wm8960->bclk;
+ lrclk = wm8960->lrclk;
+ closest = freq_in;
+
+ best_freq_out = -EINVAL;
+ *sysclk_idx = *dac_idx = *bclk_idx = -1;
+
+ /*
+ * From Datasheet, the PLL performs best when f2 is between
+ * 90MHz and 100MHz, the desired sysclk output is 11.2896MHz
+ * or 12.288MHz, then sysclkdiv = 2 is the best choice.
+ * So search sysclk_divs from 2 to 1 other than from 1 to 2.
+ */
+ for (i = ARRAY_SIZE(sysclk_divs) - 1; i >= 0; --i) {
+ if (sysclk_divs[i] == -1)
+ continue;
+ for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
+ sysclk = lrclk * dac_divs[j];
+ freq_out = sysclk * sysclk_divs[i];
+
+ for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
+ if (!is_pll_freq_available(freq_in, freq_out))
+ continue;
+
+ diff = sysclk - bclk * bclk_divs[k] / 10;
+ if (diff == 0) {
+ *sysclk_idx = i;
+ *dac_idx = j;
+ *bclk_idx = k;
+ return freq_out;
+ }
+ if (diff > 0 && closest > diff) {
+ *sysclk_idx = i;
+ *dac_idx = j;
+ *bclk_idx = k;
+ closest = diff;
+ best_freq_out = freq_out;
+ }
+ }
+ }
+ }
+
+ return best_freq_out;
+}
+static int wm8960_configure_clocking(struct snd_soc_component *component)
+{
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ int freq_out, freq_in;
+ u16 iface1 = snd_soc_component_read(component, WM8960_IFACE1);
+ int i, j, k;
+ int ret;
+
+ /*
+ * For Slave mode clocking should still be configured,
+ * so this if statement should be removed, but some platform
+ * may not work if the sysclk is not configured, to avoid such
+ * compatible issue, just add '!wm8960->sysclk' condition in
+ * this if statement.
+ */
+ if (!(iface1 & (1 << 6)) && !wm8960->sysclk) {
+ dev_warn(component->dev,
+ "slave mode, but proceeding with no clock configuration\n");
+ return 0;
+ }
+
+ if (wm8960->clk_id != WM8960_SYSCLK_MCLK && !wm8960->freq_in) {
+ dev_err(component->dev, "No MCLK configured\n");
+ return -EINVAL;
+ }
+
+ freq_in = wm8960->freq_in;
+ /*
+ * If it's sysclk auto mode, check if the MCLK can provide sysclk or
+ * not. If MCLK can provide sysclk, using MCLK to provide sysclk
+ * directly. Otherwise, auto select a available pll out frequency
+ * and set PLL.
+ */
+ if (wm8960->clk_id == WM8960_SYSCLK_AUTO) {
+ /* disable the PLL and using MCLK to provide sysclk */
+ wm8960_set_pll(component, 0, 0);
+ freq_out = freq_in;
+ } else if (wm8960->sysclk) {
+ freq_out = wm8960->sysclk;
+ } else {
+ dev_err(component->dev, "No SYSCLK configured\n");
+ return -EINVAL;
+ }
+
+ if (wm8960->clk_id != WM8960_SYSCLK_PLL) {
+ ret = wm8960_configure_sysclk(wm8960, freq_out, &i, &j, &k);
+ if (ret >= 0) {
+ goto configure_clock;
+ } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) {
+ dev_err(component->dev, "failed to configure clock\n");
+ return -EINVAL;
+ }
+ }
+
+ freq_out = wm8960_configure_pll(component, freq_in, &i, &j, &k);
+ if (freq_out < 0) {
+ dev_err(component->dev, "failed to configure clock via PLL\n");
+ return freq_out;
+ }
+ wm8960_set_pll(component, freq_in, freq_out);
+
+configure_clock:
+ /* configure sysclk clock */
+ snd_soc_component_update_bits(component, WM8960_CLOCK1, 3 << 1, i << 1);
+
+ /* configure frame clock */
+ snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 3, j << 3);
+ snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 6, j << 6);
+
+ /* configure bit clock */
+ snd_soc_component_update_bits(component, WM8960_CLOCK2, 0xf, k);
+
+ return 0;
+}
+
static int wm8960_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
- snd_pcm_format_t format = params_format(params);
+ struct snd_soc_component *component = dai->component;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ u16 iface = snd_soc_component_read(component, WM8960_IFACE1) & 0xfff3;
+ bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
int i;
+ wm8960->bclk = snd_soc_params_to_bclk(params);
+ if (params_channels(params) == 1)
+ wm8960->bclk *= 2;
+
/* bit size */
- switch (format) {
- case SNDRV_PCM_FORMAT_S16_LE:
- case SNDRV_PCM_FORMAT_S16_BE:
+ switch (params_width(params)) {
+ case 16:
break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- case SNDRV_PCM_FORMAT_S20_3BE:
+ case 20:
iface |= 0x0004;
break;
- case SNDRV_PCM_FORMAT_S24_LE:
- case SNDRV_PCM_FORMAT_S24_BE:
+ case 24:
iface |= 0x0008;
break;
+ case 32:
+ /* right justify mode does not support 32 word length */
+ if ((iface & 0x3) != 0) {
+ iface |= 0x000c;
+ break;
+ }
+ fallthrough;
default:
- dev_err(codec->dev, "unsupported format %i\n", format);
+ dev_err(component->dev, "unsupported width %d\n",
+ params_width(params));
return -EINVAL;
}
+ wm8960->lrclk = params_rate(params);
/* Update filters for the new rate */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- wm8960->playback_fs = params_rate(params);
- wm8960_set_deemph(codec);
+ if (tx) {
+ wm8960_set_deemph(component);
} else {
for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
if (alc_rates[i].rate == params_rate(params))
- snd_soc_update_bits(codec,
+ snd_soc_component_update_bits(component,
WM8960_ADDCTL3, 0x7,
alc_rates[i].val);
}
/* set iface */
- snd_soc_write(codec, WM8960_IFACE1, iface);
+ snd_soc_component_write(component, WM8960_IFACE1, iface);
+
+ wm8960->is_stream_in_use[tx] = true;
+
+ if (!wm8960->is_stream_in_use[!tx])
+ return wm8960_configure_clocking(component);
+
+ return 0;
+}
+
+static int wm8960_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+
+ wm8960->is_stream_in_use[tx] = false;
+
return 0;
}
-static int wm8960_mute(struct snd_soc_dai *dai, int mute)
+static int wm8960_mute(struct snd_soc_dai *dai, int mute, int direction)
{
- struct snd_soc_codec *codec = dai->codec;
+ struct snd_soc_component *component = dai->component;
if (mute)
- snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8);
+ snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0x8);
else
- snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0);
+ snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0);
return 0;
}
-static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
+static int wm8960_set_bias_level_out3(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+ u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
+ int ret;
+ ktime_t tout;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
- /* Set VMID to 2x50k */
- snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
+ switch (snd_soc_dapm_get_bias_level(dapm)) {
+ case SND_SOC_BIAS_STANDBY:
+ if (!IS_ERR(wm8960->mclk)) {
+ ret = clk_prepare_enable(wm8960->mclk);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to enable MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = wm8960_configure_clocking(component);
+ if (ret)
+ return ret;
+
+ /* Set VMID to 2x50k */
+ snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x80);
+ break;
+
+ case SND_SOC_BIAS_ON:
+ /*
+ * If it's sysclk auto mode, and the pll is enabled,
+ * disable the pll
+ */
+ if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
+ wm8960_set_pll(component, 0, 0);
+
+ if (!IS_ERR(wm8960->mclk))
+ clk_disable_unprepare(wm8960->mclk);
+ break;
+
+ default:
+ break;
+ }
+
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
+ /* ensure discharge is complete */
+ tout = WM8960_DSCH_TOUT - ktime_ms_delta(ktime_get(), wm8960->dsch_start);
+ if (tout > 0)
+ msleep(tout);
+
regcache_sync(wm8960->regmap);
/* Enable anti-pop features */
- snd_soc_write(codec, WM8960_APOP1,
+ snd_soc_component_write(component, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN | WM8960_BUFIOEN);
/* Enable & ramp VMID at 2x50k */
- snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80);
+ snd_soc_component_update_bits(component, WM8960_POWER1, 0x80, 0x80);
msleep(100);
/* Enable VREF */
- snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF,
+ snd_soc_component_update_bits(component, WM8960_POWER1, WM8960_VREF,
WM8960_VREF);
/* Disable anti-pop features */
- snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
+ snd_soc_component_write(component, WM8960_APOP1, WM8960_BUFIOEN);
}
/* Set VMID to 2x250k */
- snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100);
+ snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x100);
break;
case SND_SOC_BIAS_OFF:
/* Enable anti-pop features */
- snd_soc_write(codec, WM8960_APOP1,
+ snd_soc_component_write(component, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN | WM8960_BUFIOEN);
- /* Disable VMID and VREF, let them discharge */
- snd_soc_write(codec, WM8960_POWER1, 0);
- msleep(600);
+ /* Disable VMID and VREF, mark discharge */
+ snd_soc_component_write(component, WM8960_POWER1, 0);
+ wm8960->dsch_start = ktime_get();
break;
}
- codec->dapm.bias_level = level;
-
return 0;
}
-static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
+static int wm8960_set_bias_level_capless(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- int reg;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+ u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
+ int reg, ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
- switch (codec->dapm.bias_level) {
+ switch (snd_soc_dapm_get_bias_level(dapm)) {
case SND_SOC_BIAS_STANDBY:
/* Enable anti pop mode */
- snd_soc_update_bits(codec, WM8960_APOP1,
+ snd_soc_component_update_bits(component, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN,
WM8960_POBCTRL | WM8960_SOFT_ST |
@@ -700,35 +1036,60 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
reg |= WM8960_PWR2_ROUT1;
if (wm8960->out3 && wm8960->out3->power)
reg |= WM8960_PWR2_OUT3;
- snd_soc_update_bits(codec, WM8960_POWER2,
+ snd_soc_component_update_bits(component, WM8960_POWER2,
WM8960_PWR2_LOUT1 |
WM8960_PWR2_ROUT1 |
WM8960_PWR2_OUT3, reg);
/* Enable VMID at 2*50k */
- snd_soc_update_bits(codec, WM8960_POWER1,
+ snd_soc_component_update_bits(component, WM8960_POWER1,
WM8960_VMID_MASK, 0x80);
/* Ramp */
msleep(100);
/* Enable VREF */
- snd_soc_update_bits(codec, WM8960_POWER1,
+ snd_soc_component_update_bits(component, WM8960_POWER1,
WM8960_VREF, WM8960_VREF);
msleep(100);
+
+ if (!IS_ERR(wm8960->mclk)) {
+ ret = clk_prepare_enable(wm8960->mclk);
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to enable MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = wm8960_configure_clocking(component);
+ if (ret)
+ return ret;
+
break;
case SND_SOC_BIAS_ON:
+ /*
+ * If it's sysclk auto mode, and the pll is enabled,
+ * disable the pll
+ */
+ if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
+ wm8960_set_pll(component, 0, 0);
+
+ if (!IS_ERR(wm8960->mclk))
+ clk_disable_unprepare(wm8960->mclk);
+
/* Enable anti-pop mode */
- snd_soc_update_bits(codec, WM8960_APOP1,
+ snd_soc_component_update_bits(component, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN);
/* Disable VMID and VREF */
- snd_soc_update_bits(codec, WM8960_POWER1,
+ snd_soc_component_update_bits(component, WM8960_POWER1,
WM8960_VREF | WM8960_VMID_MASK, 0);
break;
@@ -741,15 +1102,15 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
- switch (codec->dapm.bias_level) {
+ switch (snd_soc_dapm_get_bias_level(dapm)) {
case SND_SOC_BIAS_PREPARE:
/* Disable HP discharge */
- snd_soc_update_bits(codec, WM8960_APOP2,
+ snd_soc_component_update_bits(component, WM8960_APOP2,
WM8960_DISOP | WM8960_DRES_MASK,
0);
/* Disable anti-pop features */
- snd_soc_update_bits(codec, WM8960_APOP1,
+ snd_soc_component_update_bits(component, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN,
WM8960_POBCTRL | WM8960_SOFT_ST |
@@ -765,8 +1126,6 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
break;
}
- codec->dapm.bias_level = level;
-
return 0;
}
@@ -777,6 +1136,28 @@ struct _pll_div {
u32 k:24;
};
+static bool is_pll_freq_available(unsigned int source, unsigned int target)
+{
+ unsigned int Ndiv;
+
+ if (source == 0 || target == 0)
+ return false;
+
+ /* Scale up target to PLL operating frequency */
+ target *= 4;
+ Ndiv = target / source;
+
+ if (Ndiv < 6) {
+ source >>= 1;
+ Ndiv = target / source;
+ }
+
+ if ((Ndiv < 6) || (Ndiv > 12))
+ return false;
+
+ return true;
+}
+
/* The size in bits of the pll divide multiplied by 10
* to allow rounding later */
#define FIXED_PLL_SIZE ((1 << 24) * 10)
@@ -828,10 +1209,9 @@ static int pll_factors(unsigned int source, unsigned int target,
return 0;
}
-static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
- int source, unsigned int freq_in, unsigned int freq_out)
+static int wm8960_set_pll(struct snd_soc_component *component,
+ unsigned int freq_in, unsigned int freq_out)
{
- struct snd_soc_codec *codec = codec_dai->codec;
u16 reg;
static struct _pll_div pll_div;
int ret;
@@ -844,59 +1224,73 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
/* Disable the PLL: even if we are changing the frequency the
* PLL needs to be disabled while we do so. */
- snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0);
- snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0);
+ snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0);
+ snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0);
if (!freq_in || !freq_out)
return 0;
- reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
+ reg = snd_soc_component_read(component, WM8960_PLL1) & ~0x3f;
reg |= pll_div.pre_div << 4;
reg |= pll_div.n;
if (pll_div.k) {
reg |= 0x20;
- snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
- snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
- snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
+ snd_soc_component_write(component, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
+ snd_soc_component_write(component, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
+ snd_soc_component_write(component, WM8960_PLL4, pll_div.k & 0xff);
}
- snd_soc_write(codec, WM8960_PLL1, reg);
+ snd_soc_component_write(component, WM8960_PLL1, reg);
/* Turn it on */
- snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1);
+ snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0x1);
msleep(250);
- snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1);
+ snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0x1);
return 0;
}
+static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+ int source, unsigned int freq_in, unsigned int freq_out)
+{
+ struct snd_soc_component *component = codec_dai->component;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+
+ wm8960->freq_in = freq_in;
+
+ if (pll_id == WM8960_SYSCLK_AUTO)
+ return 0;
+
+ return wm8960_set_pll(component, freq_in, freq_out);
+}
+
static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
int div_id, int div)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u16 reg;
switch (div_id) {
case WM8960_SYSCLKDIV:
- reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
- snd_soc_write(codec, WM8960_CLOCK1, reg | div);
+ reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1f9;
+ snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
break;
case WM8960_DACDIV:
- reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
- snd_soc_write(codec, WM8960_CLOCK1, reg | div);
+ reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1c7;
+ snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
break;
case WM8960_OPCLKDIV:
- reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
- snd_soc_write(codec, WM8960_PLL1, reg | div);
+ reg = snd_soc_component_read(component, WM8960_PLL1) & 0x03f;
+ snd_soc_component_write(component, WM8960_PLL1, reg | div);
break;
case WM8960_DCLKDIV:
- reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
- snd_soc_write(codec, WM8960_CLOCK2, reg | div);
+ reg = snd_soc_component_read(component, WM8960_CLOCK2) & 0x03f;
+ snd_soc_component_write(component, WM8960_CLOCK2, reg | div);
break;
case WM8960_TOCLKSEL:
- reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
- snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
+ reg = snd_soc_component_read(component, WM8960_ADDCTL1) & 0x1fd;
+ snd_soc_component_write(component, WM8960_ADDCTL1, reg | div);
break;
default:
return -EINVAL;
@@ -905,26 +1299,56 @@ static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
return 0;
}
-static int wm8960_set_bias_level(struct snd_soc_codec *codec,
+static int wm8960_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
- return wm8960->set_bias_level(codec, level);
+ return wm8960->set_bias_level(component, level);
+}
+
+static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = dai->component;
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+
+ switch (clk_id) {
+ case WM8960_SYSCLK_MCLK:
+ snd_soc_component_update_bits(component, WM8960_CLOCK1,
+ 0x1, WM8960_SYSCLK_MCLK);
+ break;
+ case WM8960_SYSCLK_PLL:
+ snd_soc_component_update_bits(component, WM8960_CLOCK1,
+ 0x1, WM8960_SYSCLK_PLL);
+ break;
+ case WM8960_SYSCLK_AUTO:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8960->sysclk = freq;
+ wm8960->clk_id = clk_id;
+
+ return 0;
}
#define WM8960_RATES SNDRV_PCM_RATE_8000_48000
#define WM8960_FORMATS \
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
- SNDRV_PCM_FMTBIT_S24_LE)
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
static const struct snd_soc_dai_ops wm8960_dai_ops = {
.hw_params = wm8960_hw_params,
- .digital_mute = wm8960_mute,
+ .hw_free = wm8960_hw_free,
+ .mute_stream = wm8960_mute,
.set_fmt = wm8960_set_dai_fmt,
.set_clkdiv = wm8960_set_dai_clkdiv,
.set_pll = wm8960_set_dai_pll,
+ .set_sysclk = wm8960_set_dai_sysclk,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver wm8960_dai = {
@@ -942,88 +1366,33 @@ static struct snd_soc_dai_driver wm8960_dai = {
.rates = WM8960_RATES,
.formats = WM8960_FORMATS,},
.ops = &wm8960_dai_ops,
- .symmetric_rates = 1,
+ .symmetric_rate = 1,
};
-static int wm8960_suspend(struct snd_soc_codec *codec)
+static int wm8960_probe(struct snd_soc_component *component)
{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
-
- wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
+ struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
+ struct wm8960_data *pdata = &wm8960->pdata;
-static int wm8960_resume(struct snd_soc_codec *codec)
-{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
-
- wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- return 0;
-}
-
-static int wm8960_probe(struct snd_soc_codec *codec)
-{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- struct wm8960_data *pdata = dev_get_platdata(codec->dev);
- int ret;
-
- wm8960->set_bias_level = wm8960_set_bias_level_out3;
-
- if (!pdata) {
- dev_warn(codec->dev, "No platform data supplied\n");
- } else {
- if (pdata->capless)
- wm8960->set_bias_level = wm8960_set_bias_level_capless;
- }
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
- ret = wm8960_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- return ret;
- }
-
- wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ if (pdata->capless)
+ wm8960->set_bias_level = wm8960_set_bias_level_capless;
+ else
+ wm8960->set_bias_level = wm8960_set_bias_level_out3;
- /* Latch the update bits */
- snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100);
-
- snd_soc_add_codec_controls(codec, wm8960_snd_controls,
+ snd_soc_add_component_controls(component, wm8960_snd_controls,
ARRAY_SIZE(wm8960_snd_controls));
- wm8960_add_widgets(codec);
+ wm8960_add_widgets(component);
return 0;
}
-/* power down chip */
-static int wm8960_remove(struct snd_soc_codec *codec)
-{
- struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
-
- wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
-static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
- .probe = wm8960_probe,
- .remove = wm8960_remove,
- .suspend = wm8960_suspend,
- .resume = wm8960_resume,
- .set_bias_level = wm8960_set_bias_level,
+static const struct snd_soc_component_driver soc_component_dev_wm8960 = {
+ .probe = wm8960_probe,
+ .set_bias_level = wm8960_set_bias_level,
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
static const struct regmap_config wm8960_regmap = {
@@ -1033,61 +1402,182 @@ static const struct regmap_config wm8960_regmap = {
.reg_defaults = wm8960_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = wm8960_volatile,
};
-static int wm8960_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
+ struct wm8960_data *pdata)
+{
+ const struct device_node *np = i2c->dev.of_node;
+
+ if (of_property_read_bool(np, "wlf,capless"))
+ pdata->capless = true;
+
+ if (of_property_read_bool(np, "wlf,shared-lrclk"))
+ pdata->shared_lrclk = true;
+
+ of_property_read_u32_array(np, "wlf,gpio-cfg", pdata->gpio_cfg,
+ ARRAY_SIZE(pdata->gpio_cfg));
+
+ of_property_read_u32_array(np, "wlf,hp-cfg", pdata->hp_cfg,
+ ARRAY_SIZE(pdata->hp_cfg));
+}
+
+static int wm8960_i2c_probe(struct i2c_client *i2c)
{
struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
struct wm8960_priv *wm8960;
+ unsigned int i;
int ret;
+ u8 val;
wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
GFP_KERNEL);
if (wm8960 == NULL)
return -ENOMEM;
+ wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
+ if (IS_ERR(wm8960->mclk)) {
+ if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ } else {
+ ret = clk_get_rate(wm8960->mclk);
+ if (ret >= 0) {
+ wm8960->freq_in = ret;
+ } else {
+ dev_err(&i2c->dev, "Failed to read MCLK rate: %d\n",
+ ret);
+ }
+ }
+
+ for (i = 0; i < ARRAY_SIZE(wm8960->supplies); i++)
+ wm8960->supplies[i].supply = wm8960_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8960->supplies),
+ wm8960->supplies);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8960->supplies),
+ wm8960->supplies);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
- if (IS_ERR(wm8960->regmap))
- return PTR_ERR(wm8960->regmap);
+ if (IS_ERR(wm8960->regmap)) {
+ ret = PTR_ERR(wm8960->regmap);
+ goto bulk_disable;
+ }
+
+ if (pdata)
+ memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data));
+ else if (i2c->dev.of_node)
+ wm8960_set_pdata_from_of(i2c, &wm8960->pdata);
+
+ ret = i2c_master_recv(i2c, &val, sizeof(val));
+ if (ret >= 0) {
+ dev_err(&i2c->dev, "Not wm8960, wm8960 reg can not read by i2c\n");
+ ret = -EINVAL;
+ goto bulk_disable;
+ }
- if (pdata && pdata->shared_lrclk) {
+ ret = wm8960_reset(wm8960->regmap);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to issue reset\n");
+ goto bulk_disable;
+ }
+
+ if (wm8960->pdata.shared_lrclk) {
ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
0x4, 0x4);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
ret);
- return ret;
+ goto bulk_disable;
}
}
+ /* Latch the update bits */
+ regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100);
+ regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100);
+
+ /* ADCLRC pin configured as GPIO. */
+ regmap_update_bits(wm8960->regmap, WM8960_IFACE2, 1 << 6,
+ wm8960->pdata.gpio_cfg[0] << 6);
+ regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 0xF << 4,
+ wm8960->pdata.gpio_cfg[1] << 4);
+
+ /* Enable headphone jack detect */
+ regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 3 << 2,
+ wm8960->pdata.hp_cfg[0] << 2);
+ regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, 3 << 5,
+ wm8960->pdata.hp_cfg[1] << 5);
+ regmap_update_bits(wm8960->regmap, WM8960_ADDCTL1, 3,
+ wm8960->pdata.hp_cfg[2]);
+
i2c_set_clientdata(i2c, wm8960);
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_wm8960, &wm8960_dai, 1);
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_wm8960, &wm8960_dai, 1);
+ if (ret)
+ goto bulk_disable;
+
+ return 0;
+bulk_disable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8960->supplies), wm8960->supplies);
return ret;
}
-static int wm8960_i2c_remove(struct i2c_client *client)
+static void wm8960_i2c_remove(struct i2c_client *client)
{
- snd_soc_unregister_codec(&client->dev);
- return 0;
+ struct wm8960_priv *wm8960 = i2c_get_clientdata(client);
+
+ regulator_bulk_disable(ARRAY_SIZE(wm8960->supplies), wm8960->supplies);
}
static const struct i2c_device_id wm8960_i2c_id[] = {
- { "wm8960", 0 },
+ { "wm8960" },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
+#if defined(CONFIG_OF)
+static const struct of_device_id wm8960_of_match[] = {
+ { .compatible = "wlf,wm8960", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8960_of_match);
+#endif
+
+#if defined(CONFIG_ACPI)
+static const struct acpi_device_id wm8960_acpi_match[] = {
+ { "1AEC8960", 0 }, /* Wolfson PCI ID + part ID */
+ { "10138960", 0 }, /* Cirrus Logic PCI ID + part ID */
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, wm8960_acpi_match);
+#endif
+
static struct i2c_driver wm8960_i2c_driver = {
.driver = {
.name = "wm8960",
- .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(wm8960_of_match),
+ .acpi_match_table = ACPI_PTR(wm8960_acpi_match),
},
.probe = wm8960_i2c_probe,
.remove = wm8960_i2c_remove,
generated by cgit (git 2.34.1) at 2025-12-25 18:02:44 +0000