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-rw-r--r--sound/soc/codecs/wm8510.c722
1 files changed, 722 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c
new file mode 100644
index 000000000..73c4a8b9f
--- /dev/null
+++ b/sound/soc/codecs/wm8510.c
@@ -0,0 +1,722 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * wm8510.c -- WM8510 ALSA Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ *
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+
+#include "wm8510.h"
+
+/*
+ * wm8510 register cache
+ * We can't read the WM8510 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ */
+static const struct reg_default wm8510_reg_defaults[] = {
+ { 1, 0x0000 },
+ { 2, 0x0000 },
+ { 3, 0x0000 },
+ { 4, 0x0050 },
+ { 5, 0x0000 },
+ { 6, 0x0140 },
+ { 7, 0x0000 },
+ { 8, 0x0000 },
+ { 9, 0x0000 },
+ { 10, 0x0000 },
+ { 11, 0x00ff },
+ { 12, 0x0000 },
+ { 13, 0x0000 },
+ { 14, 0x0100 },
+ { 15, 0x00ff },
+ { 16, 0x0000 },
+ { 17, 0x0000 },
+ { 18, 0x012c },
+ { 19, 0x002c },
+ { 20, 0x002c },
+ { 21, 0x002c },
+ { 22, 0x002c },
+ { 23, 0x0000 },
+ { 24, 0x0032 },
+ { 25, 0x0000 },
+ { 26, 0x0000 },
+ { 27, 0x0000 },
+ { 28, 0x0000 },
+ { 29, 0x0000 },
+ { 30, 0x0000 },
+ { 31, 0x0000 },
+ { 32, 0x0038 },
+ { 33, 0x000b },
+ { 34, 0x0032 },
+ { 35, 0x0000 },
+ { 36, 0x0008 },
+ { 37, 0x000c },
+ { 38, 0x0093 },
+ { 39, 0x00e9 },
+ { 40, 0x0000 },
+ { 41, 0x0000 },
+ { 42, 0x0000 },
+ { 43, 0x0000 },
+ { 44, 0x0003 },
+ { 45, 0x0010 },
+ { 46, 0x0000 },
+ { 47, 0x0000 },
+ { 48, 0x0000 },
+ { 49, 0x0002 },
+ { 50, 0x0001 },
+ { 51, 0x0000 },
+ { 52, 0x0000 },
+ { 53, 0x0000 },
+ { 54, 0x0039 },
+ { 55, 0x0000 },
+ { 56, 0x0001 },
+};
+
+static bool wm8510_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8510_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
+#define WM8510_POWER1_BIASEN 0x08
+#define WM8510_POWER1_BUFIOEN 0x10
+
+#define wm8510_reset(c) snd_soc_component_write(c, WM8510_RESET, 0)
+
+/* codec private data */
+struct wm8510_priv {
+ struct regmap *regmap;
+};
+
+static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
+static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8510_alc[] = { "ALC", "Limiter" };
+
+static const struct soc_enum wm8510_enum[] = {
+ SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */
+ SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */
+ SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp),
+ SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc),
+};
+
+static const struct snd_kcontrol_new wm8510_snd_controls[] = {
+
+SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
+
+SOC_ENUM("DAC Companding", wm8510_enum[1]),
+SOC_ENUM("ADC Companding", wm8510_enum[0]),
+
+SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
+SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
+
+SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
+
+SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
+SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
+
+SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0),
+
+SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0),
+SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0),
+SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0),
+
+SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0),
+SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0),
+
+SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0),
+SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0),
+SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0),
+
+SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0),
+SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0),
+
+SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
+SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0),
+
+SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0),
+SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0),
+
+SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0),
+SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0),
+
+SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0),
+SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1),
+SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0),
+SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0),
+
+SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0),
+SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
+};
+
+/* Speaker Output Mixer */
+static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0),
+};
+
+/* Mono Output Mixer */
+static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8510_boost_controls[] = {
+SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1),
+SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
+SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
+};
+
+static const struct snd_kcontrol_new wm8510_micpga_controls[] = {
+SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0),
+SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0),
+SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
+ &wm8510_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm8510_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
+ &wm8510_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8510_mono_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0),
+SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
+
+SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
+ &wm8510_micpga_controls[0],
+ ARRAY_SIZE(wm8510_micpga_controls)),
+SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
+ &wm8510_boost_controls[0],
+ ARRAY_SIZE(wm8510_boost_controls)),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
+
+SND_SOC_DAPM_INPUT("MICN"),
+SND_SOC_DAPM_INPUT("MICP"),
+SND_SOC_DAPM_INPUT("AUX"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("SPKOUTP"),
+SND_SOC_DAPM_OUTPUT("SPKOUTN"),
+};
+
+static const struct snd_soc_dapm_route wm8510_dapm_routes[] = {
+ /* Mono output mixer */
+ {"Mono Mixer", "PCM Playback Switch", "DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Speaker output mixer */
+ {"Speaker Mixer", "PCM Playback Switch", "DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Outputs */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONOOUT", NULL, "Mono Out"},
+ {"SpkN Out", NULL, "Speaker Mixer"},
+ {"SpkP Out", NULL, "Speaker Mixer"},
+ {"SPKOUTN", NULL, "SpkN Out"},
+ {"SPKOUTP", NULL, "SpkP Out"},
+
+ /* Microphone PGA */
+ {"Mic PGA", "MICN Switch", "MICN"},
+ {"Mic PGA", "MICP Switch", "MICP"},
+ { "Mic PGA", "AUX Switch", "Aux Input" },
+
+ /* Boost Mixer */
+ {"Boost Mixer", "Mic PGA Switch", "Mic PGA"},
+ {"Boost Mixer", "Mic Volume", "MICP"},
+ {"Boost Mixer", "Aux Volume", "Aux Input"},
+
+ {"ADC", NULL, "Boost Mixer"},
+};
+
+struct pll_ {
+ unsigned int pre_div:4; /* prescale - 1 */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+static struct pll_ pll_div;
+
+/* The size in bits of the pll divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_PLL_SIZE ((1 << 24) * 10)
+
+static void pll_factors(unsigned int target, unsigned int source)
+{
+ unsigned long long Kpart;
+ unsigned int K, Ndiv, Nmod;
+
+ Ndiv = target / source;
+ if (Ndiv < 6) {
+ source >>= 1;
+ pll_div.pre_div = 1;
+ Ndiv = target / source;
+ } else
+ pll_div.pre_div = 0;
+
+ if ((Ndiv < 6) || (Ndiv > 12))
+ printk(KERN_WARNING
+ "WM8510 N value %u outwith recommended range!d\n",
+ Ndiv);
+
+ pll_div.n = Ndiv;
+ Nmod = target % source;
+ Kpart = FIXED_PLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, source);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ /* Check if we need to round */
+ if ((K % 10) >= 5)
+ K += 5;
+
+ /* Move down to proper range now rounding is done */
+ K /= 10;
+
+ pll_div.k = K;
+}
+
+static int wm8510_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;
+ u16 reg;
+
+ if (freq_in == 0 || freq_out == 0) {
+ /* Clock CODEC directly from MCLK */
+ reg = snd_soc_component_read(component, WM8510_CLOCK);
+ snd_soc_component_write(component, WM8510_CLOCK, reg & 0x0ff);
+
+ /* Turn off PLL */
+ reg = snd_soc_component_read(component, WM8510_POWER1);
+ snd_soc_component_write(component, WM8510_POWER1, reg & 0x1df);
+ return 0;
+ }
+
+ pll_factors(freq_out*4, freq_in);
+
+ snd_soc_component_write(component, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n);
+ snd_soc_component_write(component, WM8510_PLLK1, pll_div.k >> 18);
+ snd_soc_component_write(component, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff);
+ snd_soc_component_write(component, WM8510_PLLK3, pll_div.k & 0x1ff);
+ reg = snd_soc_component_read(component, WM8510_POWER1);
+ snd_soc_component_write(component, WM8510_POWER1, reg | 0x020);
+
+ /* Run CODEC from PLL instead of MCLK */
+ reg = snd_soc_component_read(component, WM8510_CLOCK);
+ snd_soc_component_write(component, WM8510_CLOCK, reg | 0x100);
+
+ return 0;
+}
+
+/*
+ * Configure WM8510 clock dividers.
+ */
+static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
+ int div_id, int div)
+{
+ struct snd_soc_component *component = codec_dai->component;
+ u16 reg;
+
+ switch (div_id) {
+ case WM8510_OPCLKDIV:
+ reg = snd_soc_component_read(component, WM8510_GPIO) & 0x1cf;
+ snd_soc_component_write(component, WM8510_GPIO, reg | div);
+ break;
+ case WM8510_MCLKDIV:
+ reg = snd_soc_component_read(component, WM8510_CLOCK) & 0x11f;
+ snd_soc_component_write(component, WM8510_CLOCK, reg | div);
+ break;
+ case WM8510_ADCCLK:
+ reg = snd_soc_component_read(component, WM8510_ADC) & 0x1f7;
+ snd_soc_component_write(component, WM8510_ADC, reg | div);
+ break;
+ case WM8510_DACCLK:
+ reg = snd_soc_component_read(component, WM8510_DAC) & 0x1f7;
+ snd_soc_component_write(component, WM8510_DAC, reg | div);
+ break;
+ case WM8510_BCLKDIV:
+ reg = snd_soc_component_read(component, WM8510_CLOCK) & 0x1e3;
+ snd_soc_component_write(component, WM8510_CLOCK, reg | div);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_component *component = codec_dai->component;
+ u16 iface = 0;
+ u16 clk = snd_soc_component_read(component, WM8510_CLOCK) & 0x1fe;
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clk |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x00018;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0180;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0100;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0080;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_component_write(component, WM8510_IFACE, iface);
+ snd_soc_component_write(component, WM8510_CLOCK, clk);
+ return 0;
+}
+
+static int wm8510_pcm_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;
+ u16 iface = snd_soc_component_read(component, WM8510_IFACE) & 0x19f;
+ u16 adn = snd_soc_component_read(component, WM8510_ADD) & 0x1f1;
+
+ /* bit size */
+ switch (params_width(params)) {
+ case 16:
+ break;
+ case 20:
+ iface |= 0x0020;
+ break;
+ case 24:
+ iface |= 0x0040;
+ break;
+ case 32:
+ iface |= 0x0060;
+ break;
+ }
+
+ /* filter coefficient */
+ switch (params_rate(params)) {
+ case 8000:
+ adn |= 0x5 << 1;
+ break;
+ case 11025:
+ adn |= 0x4 << 1;
+ break;
+ case 16000:
+ adn |= 0x3 << 1;
+ break;
+ case 22050:
+ adn |= 0x2 << 1;
+ break;
+ case 32000:
+ adn |= 0x1 << 1;
+ break;
+ case 44100:
+ case 48000:
+ break;
+ }
+
+ snd_soc_component_write(component, WM8510_IFACE, iface);
+ snd_soc_component_write(component, WM8510_ADD, adn);
+ return 0;
+}
+
+static int wm8510_mute(struct snd_soc_dai *dai, int mute, int direction)
+{
+ struct snd_soc_component *component = dai->component;
+ u16 mute_reg = snd_soc_component_read(component, WM8510_DAC) & 0xffbf;
+
+ if (mute)
+ snd_soc_component_write(component, WM8510_DAC, mute_reg | 0x40);
+ else
+ snd_soc_component_write(component, WM8510_DAC, mute_reg);
+ return 0;
+}
+
+/* liam need to make this lower power with dapm */
+static int wm8510_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct wm8510_priv *wm8510 = snd_soc_component_get_drvdata(component);
+ u16 power1 = snd_soc_component_read(component, WM8510_POWER1) & ~0x3;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ case SND_SOC_BIAS_PREPARE:
+ power1 |= 0x1; /* VMID 50k */
+ snd_soc_component_write(component, WM8510_POWER1, power1);
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;
+
+ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+ regcache_sync(wm8510->regmap);
+
+ /* Initial cap charge at VMID 5k */
+ snd_soc_component_write(component, WM8510_POWER1, power1 | 0x3);
+ mdelay(100);
+ }
+
+ power1 |= 0x2; /* VMID 500k */
+ snd_soc_component_write(component, WM8510_POWER1, power1);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ snd_soc_component_write(component, WM8510_POWER1, 0);
+ snd_soc_component_write(component, WM8510_POWER2, 0);
+ snd_soc_component_write(component, WM8510_POWER3, 0);
+ break;
+ }
+
+ return 0;
+}
+
+#define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+#define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static const struct snd_soc_dai_ops wm8510_dai_ops = {
+ .hw_params = wm8510_pcm_hw_params,
+ .mute_stream = wm8510_mute,
+ .set_fmt = wm8510_set_dai_fmt,
+ .set_clkdiv = wm8510_set_dai_clkdiv,
+ .set_pll = wm8510_set_dai_pll,
+ .no_capture_mute = 1,
+};
+
+static struct snd_soc_dai_driver wm8510_dai = {
+ .name = "wm8510-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8510_RATES,
+ .formats = WM8510_FORMATS,},
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8510_RATES,
+ .formats = WM8510_FORMATS,},
+ .ops = &wm8510_dai_ops,
+ .symmetric_rates = 1,
+};
+
+static int wm8510_probe(struct snd_soc_component *component)
+{
+ wm8510_reset(component);
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_wm8510 = {
+ .probe = wm8510_probe,
+ .set_bias_level = wm8510_set_bias_level,
+ .controls = wm8510_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8510_snd_controls),
+ .dapm_widgets = wm8510_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8510_dapm_widgets),
+ .dapm_routes = wm8510_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8510_dapm_routes),
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct of_device_id wm8510_of_match[] = {
+ { .compatible = "wlf,wm8510" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, wm8510_of_match);
+
+static const struct regmap_config wm8510_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8510_MONOMIX,
+
+ .reg_defaults = wm8510_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+
+ .volatile_reg = wm8510_volatile,
+};
+
+#if defined(CONFIG_SPI_MASTER)
+static int wm8510_spi_probe(struct spi_device *spi)
+{
+ struct wm8510_priv *wm8510;
+ int ret;
+
+ wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv),
+ GFP_KERNEL);
+ if (wm8510 == NULL)
+ return -ENOMEM;
+
+ wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
+ if (IS_ERR(wm8510->regmap))
+ return PTR_ERR(wm8510->regmap);
+
+ spi_set_drvdata(spi, wm8510);
+
+ ret = devm_snd_soc_register_component(&spi->dev,
+ &soc_component_dev_wm8510, &wm8510_dai, 1);
+
+ return ret;
+}
+
+static struct spi_driver wm8510_spi_driver = {
+ .driver = {
+ .name = "wm8510",
+ .of_match_table = wm8510_of_match,
+ },
+ .probe = wm8510_spi_probe,
+};
+#endif /* CONFIG_SPI_MASTER */
+
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8510_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm8510_priv *wm8510;
+ int ret;
+
+ wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv),
+ GFP_KERNEL);
+ if (wm8510 == NULL)
+ return -ENOMEM;
+
+ wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
+ if (IS_ERR(wm8510->regmap))
+ return PTR_ERR(wm8510->regmap);
+
+ i2c_set_clientdata(i2c, wm8510);
+
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_wm8510, &wm8510_dai, 1);
+
+ return ret;
+}
+
+static const struct i2c_device_id wm8510_i2c_id[] = {
+ { "wm8510", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
+
+static struct i2c_driver wm8510_i2c_driver = {
+ .driver = {
+ .name = "wm8510",
+ .of_match_table = wm8510_of_match,
+ },
+ .probe = wm8510_i2c_probe,
+ .id_table = wm8510_i2c_id,
+};
+#endif
+
+static int __init wm8510_modinit(void)
+{
+ int ret = 0;
+#if IS_ENABLED(CONFIG_I2C)
+ ret = i2c_add_driver(&wm8510_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
+ ret);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&wm8510_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
+ ret);
+ }
+#endif
+ return ret;
+}
+module_init(wm8510_modinit);
+
+static void __exit wm8510_exit(void)
+{
+#if IS_ENABLED(CONFIG_I2C)
+ i2c_del_driver(&wm8510_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8510_spi_driver);
+#endif
+}
+module_exit(wm8510_exit);
+
+MODULE_DESCRIPTION("ASoC WM8510 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 23:56:06 +0000