--- /dev/null
+/*
+ * wm8955.c -- WM8955 ALSA SoC Audio driver
+ *
+ * Copyright 2009 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.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.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/wm8955.h>
+
+#include "wm8955.h"
+
+static struct snd_soc_codec *wm8955_codec;
+struct snd_soc_codec_device soc_codec_dev_wm8955;
+
+#define WM8955_NUM_SUPPLIES 4
+static const char *wm8955_supply_names[WM8955_NUM_SUPPLIES] = {
+ "DCVDD",
+ "DBVDD",
+ "HPVDD",
+ "AVDD",
+};
+
+/* codec private data */
+struct wm8955_priv {
+ struct snd_soc_codec codec;
+ u16 reg_cache[WM8955_MAX_REGISTER + 1];
+
+ unsigned int mclk_rate;
+
+ int deemph;
+ int fs;
+
+ struct regulator_bulk_data supplies[WM8955_NUM_SUPPLIES];
+
+ struct wm8955_pdata *pdata;
+};
+
+static const u16 wm8955_reg[WM8955_MAX_REGISTER + 1] = {
+ 0x0000, /* R0 */
+ 0x0000, /* R1 */
+ 0x0079, /* R2 - LOUT1 volume */
+ 0x0079, /* R3 - ROUT1 volume */
+ 0x0000, /* R4 */
+ 0x0008, /* R5 - DAC Control */
+ 0x0000, /* R6 */
+ 0x000A, /* R7 - Audio Interface */
+ 0x0000, /* R8 - Sample Rate */
+ 0x0000, /* R9 */
+ 0x00FF, /* R10 - Left DAC volume */
+ 0x00FF, /* R11 - Right DAC volume */
+ 0x000F, /* R12 - Bass control */
+ 0x000F, /* R13 - Treble control */
+ 0x0000, /* R14 */
+ 0x0000, /* R15 - Reset */
+ 0x0000, /* R16 */
+ 0x0000, /* R17 */
+ 0x0000, /* R18 */
+ 0x0000, /* R19 */
+ 0x0000, /* R20 */
+ 0x0000, /* R21 */
+ 0x0000, /* R22 */
+ 0x00C1, /* R23 - Additional control (1) */
+ 0x0000, /* R24 - Additional control (2) */
+ 0x0000, /* R25 - Power Management (1) */
+ 0x0000, /* R26 - Power Management (2) */
+ 0x0000, /* R27 - Additional Control (3) */
+ 0x0000, /* R28 */
+ 0x0000, /* R29 */
+ 0x0000, /* R30 */
+ 0x0000, /* R31 */
+ 0x0000, /* R32 */
+ 0x0000, /* R33 */
+ 0x0050, /* R34 - Left out Mix (1) */
+ 0x0050, /* R35 - Left out Mix (2) */
+ 0x0050, /* R36 - Right out Mix (1) */
+ 0x0050, /* R37 - Right Out Mix (2) */
+ 0x0050, /* R38 - Mono out Mix (1) */
+ 0x0050, /* R39 - Mono out Mix (2) */
+ 0x0079, /* R40 - LOUT2 volume */
+ 0x0079, /* R41 - ROUT2 volume */
+ 0x0079, /* R42 - MONOOUT volume */
+ 0x0000, /* R43 - Clocking / PLL */
+ 0x0103, /* R44 - PLL Control 1 */
+ 0x0024, /* R45 - PLL Control 2 */
+ 0x01BA, /* R46 - PLL Control 3 */
+ 0x0000, /* R47 */
+ 0x0000, /* R48 */
+ 0x0000, /* R49 */
+ 0x0000, /* R50 */
+ 0x0000, /* R51 */
+ 0x0000, /* R52 */
+ 0x0000, /* R53 */
+ 0x0000, /* R54 */
+ 0x0000, /* R55 */
+ 0x0000, /* R56 */
+ 0x0000, /* R57 */
+ 0x0000, /* R58 */
+ 0x0000, /* R59 - PLL Control 4 */
+};
+
+static int wm8955_reset(struct snd_soc_codec *codec)
+{
+ return snd_soc_write(codec, WM8955_RESET, 0);
+}
+
+struct pll_factors {
+ int n;
+ int k;
+ int outdiv;
+};
+
+/* The size in bits of the FLL divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_FLL_SIZE ((1 << 22) * 10)
+
+static int wm8995_pll_factors(struct device *dev,
+ int Fref, int Fout, struct pll_factors *pll)
+{
+ u64 Kpart;
+ unsigned int K, Ndiv, Nmod, target;
+
+ dev_dbg(dev, "Fref=%u Fout=%u\n", Fref, Fout);
+
+ /* The oscilator should run at should be 90-100MHz, and
+ * there's a divide by 4 plus an optional divide by 2 in the
+ * output path to generate the system clock. The clock table
+ * is sortd so we should always generate a suitable target. */
+ target = Fout * 4;
+ if (target < 90000000) {
+ pll->outdiv = 1;
+ target *= 2;
+ } else {
+ pll->outdiv = 0;
+ }
+
+ WARN_ON(target < 90000000 || target > 100000000);
+
+ dev_dbg(dev, "Fvco=%dHz\n", target);
+
+ /* Now, calculate N.K */
+ Ndiv = target / Fref;
+
+ pll->n = Ndiv;
+ Nmod = target % Fref;
+ dev_dbg(dev, "Nmod=%d\n", Nmod);
+
+ /* Calculate fractional part - scale up so we can round. */
+ Kpart = FIXED_FLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, Fref);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ if ((K % 10) >= 5)
+ K += 5;
+
+ /* Move down to proper range now rounding is done */
+ pll->k = K / 10;
+
+ dev_dbg(dev, "N=%x K=%x OUTDIV=%x\n", pll->n, pll->k, pll->outdiv);
+
+ return 0;
+}
+
+/* Lookup table specifiying SRATE (table 25 in datasheet); some of the
+ * output frequencies have been rounded to the standard frequencies
+ * they are intended to match where the error is slight. */
+static struct {
+ int mclk;
+ int fs;
+ int usb;
+ int sr;
+} clock_cfgs[] = {
+ { 18432000, 8000, 0, 3, },
+ { 18432000, 12000, 0, 9, },
+ { 18432000, 16000, 0, 11, },
+ { 18432000, 24000, 0, 29, },
+ { 18432000, 32000, 0, 13, },
+ { 18432000, 48000, 0, 1, },
+ { 18432000, 96000, 0, 15, },
+
+ { 16934400, 8018, 0, 19, },
+ { 16934400, 11025, 0, 25, },
+ { 16934400, 22050, 0, 27, },
+ { 16934400, 44100, 0, 17, },
+ { 16934400, 88200, 0, 31, },
+
+ { 12000000, 8000, 1, 2, },
+ { 12000000, 11025, 1, 25, },
+ { 12000000, 12000, 1, 8, },
+ { 12000000, 16000, 1, 10, },
+ { 12000000, 22050, 1, 27, },
+ { 12000000, 24000, 1, 28, },
+ { 12000000, 32000, 1, 12, },
+ { 12000000, 44100, 1, 17, },
+ { 12000000, 48000, 1, 0, },
+ { 12000000, 88200, 1, 31, },
+ { 12000000, 96000, 1, 14, },
+
+ { 12288000, 8000, 0, 2, },
+ { 12288000, 12000, 0, 8, },
+ { 12288000, 16000, 0, 10, },
+ { 12288000, 24000, 0, 28, },
+ { 12288000, 32000, 0, 12, },
+ { 12288000, 48000, 0, 0, },
+ { 12288000, 96000, 0, 14, },
+
+ { 12289600, 8018, 0, 18, },
+ { 12289600, 11025, 0, 24, },
+ { 12289600, 22050, 0, 26, },
+ { 11289600, 44100, 0, 16, },
+ { 11289600, 88200, 0, 31, },
+};
+
+static int wm8955_configure_clocking(struct snd_soc_codec *codec)
+{
+ struct wm8955_priv *wm8955 = codec->private_data;
+ int i, ret, val;
+ int clocking = 0;
+ int srate = 0;
+ int sr = -1;
+ struct pll_factors pll;
+
+ /* If we're not running a sample rate currently just pick one */
+ if (wm8955->fs == 0)
+ wm8955->fs = 8000;
+
+ /* Can we generate an exact output? */
+ for (i = 0; i < ARRAY_SIZE(clock_cfgs); i++) {
+ if (wm8955->fs != clock_cfgs[i].fs)
+ continue;
+ sr = i;
+
+ if (wm8955->mclk_rate == clock_cfgs[i].mclk)
+ break;
+ }
+
+ /* We should never get here with an unsupported sample rate */
+ if (sr == -1) {
+ dev_err(codec->dev, "Sample rate %dHz unsupported\n",
+ wm8955->fs);
+ WARN_ON(sr == -1);
+ return -EINVAL;
+ }
+
+ if (i == ARRAY_SIZE(clock_cfgs)) {
+ /* If we can't generate the right clock from MCLK then
+ * we should configure the PLL to supply us with an
+ * appropriate clock.
+ */
+ clocking |= WM8955_MCLKSEL;
+
+ /* Use the last divider configuration we saw for the
+ * sample rate. */
+ ret = wm8995_pll_factors(codec->dev, wm8955->mclk_rate,
+ clock_cfgs[sr].mclk, &pll);
+ if (ret != 0) {
+ dev_err(codec->dev,
+ "Unable to generate %dHz from %dHz MCLK\n",
+ wm8955->fs, wm8955->mclk_rate);
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_1,
+ WM8955_N_MASK | WM8955_K_21_18_MASK,
+ (pll.n << WM8955_N_SHIFT) |
+ pll.k >> 18);
+ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_2,
+ WM8955_K_17_9_MASK,
+ (pll.k >> 9) & WM8955_K_17_9_MASK);
+ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_2,
+ WM8955_K_8_0_MASK,
+ pll.k & WM8955_K_8_0_MASK);
+ if (pll.k)
+ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_4,
+ WM8955_KEN, WM8955_KEN);
+ else
+ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_4,
+ WM8955_KEN, 0);
+
+ if (pll.outdiv)
+ val = WM8955_PLL_RB | WM8955_PLLOUTDIV2;
+ else
+ val = WM8955_PLL_RB;
+
+ /* Now start the PLL running */
+ snd_soc_update_bits(codec, WM8955_CLOCKING_PLL,
+ WM8955_PLL_RB | WM8955_PLLOUTDIV2, val);
+ snd_soc_update_bits(codec, WM8955_CLOCKING_PLL,
+ WM8955_PLLEN, WM8955_PLLEN);
+ }
+
+ srate = clock_cfgs[sr].usb | (clock_cfgs[sr].sr << WM8955_SR_SHIFT);
+
+ snd_soc_update_bits(codec, WM8955_SAMPLE_RATE,
+ WM8955_USB | WM8955_SR_MASK, srate);
+ snd_soc_update_bits(codec, WM8955_CLOCKING_PLL,
+ WM8955_MCLKSEL, clocking);
+
+ return 0;
+}
+
+static int wm8955_sysclk(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ int ret = 0;
+
+ /* Always disable the clocks - if we're doing reconfiguration this
+ * avoids misclocking.
+ */
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_DIGENB, 0);
+ snd_soc_update_bits(codec, WM8955_CLOCKING_PLL,
+ WM8955_PLL_RB | WM8955_PLLEN, 0);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMD:
+ break;
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = wm8955_configure_clocking(codec);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int deemph_settings[] = { 0, 32000, 44100, 48000 };
+
+static int wm8955_set_deemph(struct snd_soc_codec *codec)
+{
+ struct wm8955_priv *wm8955 = codec->private_data;
+ int val, i, best;
+
+ /* If we're using deemphasis select the nearest available sample
+ * rate.
+ */
+ if (wm8955->deemph) {
+ best = 1;
+ for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
+ if (abs(deemph_settings[i] - wm8955->fs) <
+ abs(deemph_settings[best] - wm8955->fs))
+ best = i;
+ }
+
+ val = best << WM8955_DEEMPH_SHIFT;
+ } else {
+ val = 0;
+ }
+
+ dev_dbg(codec->dev, "Set deemphasis %d\n", val);
+
+ return snd_soc_update_bits(codec, WM8955_DAC_CONTROL,
+ WM8955_DEEMPH_MASK, val);
+}
+
+static int wm8955_get_deemph(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct wm8955_priv *wm8955 = codec->private_data;
+
+ return wm8955->deemph;
+}
+
+static int wm8955_put_deemph(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct wm8955_priv *wm8955 = codec->private_data;
+ int deemph = ucontrol->value.enumerated.item[0];
+
+ if (deemph > 1)
+ return -EINVAL;
+
+ wm8955->deemph = deemph;
+
+ return wm8955_set_deemph(codec);
+}
+
+static const char *bass_mode_text[] = {
+ "Linear", "Adaptive",
+};
+
+static const struct soc_enum bass_mode =
+ SOC_ENUM_SINGLE(WM8955_BASS_CONTROL, 7, 2, bass_mode_text);
+
+static const char *bass_cutoff_text[] = {
+ "Low", "High"
+};
+
+static const struct soc_enum bass_cutoff =
+ SOC_ENUM_SINGLE(WM8955_BASS_CONTROL, 6, 2, bass_cutoff_text);
+
+static const char *treble_cutoff_text[] = {
+ "High", "Low"
+};
+
+static const struct soc_enum treble_cutoff =
+ SOC_ENUM_SINGLE(WM8955_TREBLE_CONTROL, 6, 2, treble_cutoff_text);
+
+static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(atten_tlv, -600, 600, 0);
+static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
+static const DECLARE_TLV_DB_SCALE(mono_tlv, -2100, 300, 0);
+static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
+static const DECLARE_TLV_DB_SCALE(treble_tlv, -1200, 150, 1);
+
+static const struct snd_kcontrol_new wm8955_snd_controls[] = {
+SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8955_LEFT_DAC_VOLUME,
+ WM8955_RIGHT_DAC_VOLUME, 0, 255, 0, digital_tlv),
+SOC_SINGLE_TLV("Playback Attenuation Volume", WM8955_DAC_CONTROL, 7, 1, 1,
+ atten_tlv),
+SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
+ wm8955_get_deemph, wm8955_put_deemph),
+
+SOC_ENUM("Bass Mode", bass_mode),
+SOC_ENUM("Bass Cutoff", bass_cutoff),
+SOC_SINGLE("Bass Volume", WM8955_BASS_CONTROL, 0, 15, 1),
+
+SOC_ENUM("Treble Cutoff", treble_cutoff),
+SOC_SINGLE_TLV("Treble Volume", WM8955_TREBLE_CONTROL, 0, 14, 1, treble_tlv),
+
+SOC_SINGLE_TLV("Left Bypass Volume", WM8955_LEFT_OUT_MIX_1, 4, 7, 1,
+ bypass_tlv),
+SOC_SINGLE_TLV("Left Mono Volume", WM8955_LEFT_OUT_MIX_2, 4, 7, 1,
+ bypass_tlv),
+
+SOC_SINGLE_TLV("Right Mono Volume", WM8955_RIGHT_OUT_MIX_1, 4, 7, 1,
+ bypass_tlv),
+SOC_SINGLE_TLV("Right Bypass Volume", WM8955_RIGHT_OUT_MIX_2, 4, 7, 1,
+ bypass_tlv),
+
+/* Not a stereo pair so they line up with the DAPM switches */
+SOC_SINGLE_TLV("Mono Left Bypass Volume", WM8955_MONO_OUT_MIX_1, 4, 7, 1,
+ mono_tlv),
+SOC_SINGLE_TLV("Mono Right Bypass Volume", WM8955_MONO_OUT_MIX_2, 4, 7, 1,
+ mono_tlv),
+
+SOC_DOUBLE_R_TLV("Headphone Volume", WM8955_LOUT1_VOLUME,
+ WM8955_ROUT1_VOLUME, 0, 127, 0, out_tlv),
+SOC_DOUBLE_R("Headphone ZC Switch", WM8955_LOUT1_VOLUME,
+ WM8955_ROUT1_VOLUME, 7, 1, 0),
+
+SOC_DOUBLE_R_TLV("Speaker Volume", WM8955_LOUT2_VOLUME,
+ WM8955_ROUT2_VOLUME, 0, 127, 0, out_tlv),
+SOC_DOUBLE_R("Speaker ZC Switch", WM8955_LOUT2_VOLUME,
+ WM8955_ROUT2_VOLUME, 7, 1, 0),
+
+SOC_SINGLE_TLV("Mono Volume", WM8955_MONOOUT_VOLUME, 0, 127, 0, out_tlv),
+SOC_SINGLE("Mono ZC Switch", WM8955_MONOOUT_VOLUME, 7, 1, 0),
+};
+
+static const struct snd_kcontrol_new lmixer[] = {
+SOC_DAPM_SINGLE("Playback Switch", WM8955_LEFT_OUT_MIX_1, 8, 1, 0),
+SOC_DAPM_SINGLE("Bypass Switch", WM8955_LEFT_OUT_MIX_1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8955_LEFT_OUT_MIX_2, 8, 1, 0),
+SOC_DAPM_SINGLE("Mono Switch", WM8955_LEFT_OUT_MIX_2, 7, 1, 0),
+};
+
+static const struct snd_kcontrol_new rmixer[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8955_RIGHT_OUT_MIX_1, 8, 1, 0),
+SOC_DAPM_SINGLE("Mono Switch", WM8955_RIGHT_OUT_MIX_1, 7, 1, 0),
+SOC_DAPM_SINGLE("Playback Switch", WM8955_RIGHT_OUT_MIX_2, 8, 1, 0),
+SOC_DAPM_SINGLE("Bypass Switch", WM8955_RIGHT_OUT_MIX_2, 7, 1, 0),
+};
+
+static const struct snd_kcontrol_new mmixer[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8955_MONO_OUT_MIX_1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8955_MONO_OUT_MIX_1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8955_MONO_OUT_MIX_2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8955_MONO_OUT_MIX_2, 7, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8955_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("MONOIN-"),
+SND_SOC_DAPM_INPUT("MONOIN+"),
+SND_SOC_DAPM_INPUT("LINEINR"),
+SND_SOC_DAPM_INPUT("LINEINL"),
+
+SND_SOC_DAPM_PGA("Mono Input", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+SND_SOC_DAPM_SUPPLY("SYSCLK", WM8955_POWER_MANAGEMENT_1, 0, 1, wm8955_sysclk,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_SUPPLY("TSDEN", WM8955_ADDITIONAL_CONTROL_1, 8, 0, NULL, 0),
+
+SND_SOC_DAPM_DAC("DACL", "Playback", WM8955_POWER_MANAGEMENT_2, 8, 0),
+SND_SOC_DAPM_DAC("DACR", "Playback", WM8955_POWER_MANAGEMENT_2, 7, 0),
+
+SND_SOC_DAPM_PGA("LOUT1 PGA", WM8955_POWER_MANAGEMENT_2, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("ROUT1 PGA", WM8955_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("LOUT2 PGA", WM8955_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
+SND_SOC_DAPM_PGA("ROUT2 PGA", WM8955_POWER_MANAGEMENT_2, 3, 0, NULL, 0),
+SND_SOC_DAPM_PGA("MOUT PGA", WM8955_POWER_MANAGEMENT_2, 2, 0, NULL, 0),
+SND_SOC_DAPM_PGA("OUT3 PGA", WM8955_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
+
+/* The names are chosen to make the control names nice */
+SND_SOC_DAPM_MIXER("Left", SND_SOC_NOPM, 0, 0,
+ lmixer, ARRAY_SIZE(lmixer)),
+SND_SOC_DAPM_MIXER("Right", SND_SOC_NOPM, 0, 0,
+ rmixer, ARRAY_SIZE(rmixer)),
+SND_SOC_DAPM_MIXER("Mono", SND_SOC_NOPM, 0, 0,
+ mmixer, ARRAY_SIZE(mmixer)),
+
+SND_SOC_DAPM_OUTPUT("LOUT1"),
+SND_SOC_DAPM_OUTPUT("ROUT1"),
+SND_SOC_DAPM_OUTPUT("LOUT2"),
+SND_SOC_DAPM_OUTPUT("ROUT2"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+};
+
+static const struct snd_soc_dapm_route wm8955_intercon[] = {
+ { "DACL", NULL, "SYSCLK" },
+ { "DACR", NULL, "SYSCLK" },
+
+ { "Mono Input", NULL, "MONOIN-" },
+ { "Mono Input", NULL, "MONOIN+" },
+
+ { "Left", "Playback Switch", "DACL" },
+ { "Left", "Right Playback Switch", "DACR" },
+ { "Left", "Bypass Switch", "LINEINL" },
+ { "Left", "Mono Switch", "Mono Input" },
+
+ { "Right", "Playback Switch", "DACR" },
+ { "Right", "Left Playback Switch", "DACL" },
+ { "Right", "Bypass Switch", "LINEINR" },
+ { "Right", "Mono Switch", "Mono Input" },
+
+ { "Mono", "Left Playback Switch", "DACL" },
+ { "Mono", "Right Playback Switch", "DACR" },
+ { "Mono", "Left Bypass Switch", "LINEINL" },
+ { "Mono", "Right Bypass Switch", "LINEINR" },
+
+ { "LOUT1 PGA", NULL, "Left" },
+ { "LOUT1", NULL, "TSDEN" },
+ { "LOUT1", NULL, "LOUT1 PGA" },
+
+ { "ROUT1 PGA", NULL, "Right" },
+ { "ROUT1", NULL, "TSDEN" },
+ { "ROUT1", NULL, "ROUT1 PGA" },
+
+ { "LOUT2 PGA", NULL, "Left" },
+ { "LOUT2", NULL, "TSDEN" },
+ { "LOUT2", NULL, "LOUT2 PGA" },
+
+ { "ROUT2 PGA", NULL, "Right" },
+ { "ROUT2", NULL, "TSDEN" },
+ { "ROUT2", NULL, "ROUT2 PGA" },
+
+ { "MOUT PGA", NULL, "Mono" },
+ { "MONOOUT", NULL, "MOUT PGA" },
+
+ /* OUT3 not currently implemented */
+ { "OUT3", NULL, "OUT3 PGA" },
+};
+
+static int wm8955_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_add_controls(codec, wm8955_snd_controls,
+ ARRAY_SIZE(wm8955_snd_controls));
+
+ snd_soc_dapm_new_controls(codec, wm8955_dapm_widgets,
+ ARRAY_SIZE(wm8955_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, wm8955_intercon,
+ ARRAY_SIZE(wm8955_intercon));
+
+ return 0;
+}
+
+static int wm8955_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 wm8955_priv *wm8955 = codec->private_data;
+ int ret;
+ int wl;
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ wl = 0;
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ wl = 0x4;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ wl = 0x8;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ wl = 0xc;
+ break;
+ default:
+ return -EINVAL;
+ }
+ snd_soc_update_bits(codec, WM8955_AUDIO_INTERFACE,
+ WM8955_WL_MASK, wl);
+
+ wm8955->fs = params_rate(params);
+ wm8955_set_deemph(codec);
+
+ /* If the chip is clocked then disable the clocks and force a
+ * reconfiguration, otherwise DAPM will power up the
+ * clocks for us later. */
+ ret = snd_soc_read(codec, WM8955_POWER_MANAGEMENT_1);
+ if (ret < 0)
+ return ret;
+ if (ret & WM8955_DIGENB) {
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_DIGENB, 0);
+ snd_soc_update_bits(codec, WM8955_CLOCKING_PLL,
+ WM8955_PLL_RB | WM8955_PLLEN, 0);
+
+ wm8955_configure_clocking(codec);
+ }
+
+ return 0;
+}
+
+
+static int wm8955_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct wm8955_priv *priv = codec->private_data;
+ int div;
+
+ switch (clk_id) {
+ case WM8955_CLK_MCLK:
+ if (freq > 15000000) {
+ priv->mclk_rate = freq /= 2;
+ div = WM8955_MCLKDIV2;
+ } else {
+ priv->mclk_rate = freq;
+ div = 0;
+ }
+
+ snd_soc_update_bits(codec, WM8955_SAMPLE_RATE,
+ WM8955_MCLKDIV2, div);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
+
+ return 0;
+}
+
+static int wm8955_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 aif = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ aif |= WM8955_MS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_B:
+ aif |= WM8955_LRP;
+ case SND_SOC_DAIFMT_DSP_A:
+ aif |= 0x3;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ aif |= 0x2;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ aif |= 0x1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ /* frame inversion not valid for DSP modes */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif |= WM8955_BCLKINV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ aif |= WM8955_BCLKINV | WM8955_LRP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif |= WM8955_BCLKINV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ aif |= WM8955_LRP;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, WM8955_AUDIO_INTERFACE,
+ WM8955_MS | WM8955_FORMAT_MASK | WM8955_BCLKINV |
+ WM8955_LRP, aif);
+
+ return 0;
+}
+
+
+static int wm8955_digital_mute(struct snd_soc_dai *codec_dai, int mute)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ int val;
+
+ if (mute)
+ val = WM8955_DACMU;
+ else
+ val = 0;
+
+ snd_soc_update_bits(codec, WM8955_DAC_CONTROL, WM8955_DACMU, val);
+
+ return 0;
+}
+
+static int wm8955_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct wm8955_priv *wm8955 = codec->private_data;
+ int ret, i;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ /* VMID resistance 2*50k */
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_VMIDSEL_MASK,
+ 0x1 << WM8955_VMIDSEL_SHIFT);
+
+ /* Default bias current */
+ snd_soc_update_bits(codec, WM8955_ADDITIONAL_CONTROL_1,
+ WM8955_VSEL_MASK,
+ 0x2 << WM8955_VSEL_SHIFT);
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8955->supplies),
+ wm8955->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev,
+ "Failed to enable supplies: %d\n",
+ ret);
+ return ret;
+ }
+
+ /* Sync back cached values if they're
+ * different from the hardware default.
+ */
+ for (i = 0; i < ARRAY_SIZE(wm8955->reg_cache); i++) {
+ if (i == WM8955_RESET)
+ continue;
+
+ if (wm8955->reg_cache[i] == wm8955_reg[i])
+ continue;
+
+ snd_soc_write(codec, i, wm8955->reg_cache[i]);
+ }
+
+ /* Enable VREF and VMID */
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_VREF |
+ WM8955_VMIDSEL_MASK,
+ WM8955_VREF |
+ 0x3 << WM8955_VREF_SHIFT);
+
+ /* Let VMID ramp */
+ msleep(500);
+
+ /* High resistance VROI to maintain outputs */
+ snd_soc_update_bits(codec,
+ WM8955_ADDITIONAL_CONTROL_3,
+ WM8955_VROI, WM8955_VROI);
+ }
+
+ /* Maintain VMID with 2*250k */
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_VMIDSEL_MASK,
+ 0x2 << WM8955_VMIDSEL_SHIFT);
+
+ /* Minimum bias current */
+ snd_soc_update_bits(codec, WM8955_ADDITIONAL_CONTROL_1,
+ WM8955_VSEL_MASK, 0);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ /* Low resistance VROI to help discharge */
+ snd_soc_update_bits(codec,
+ WM8955_ADDITIONAL_CONTROL_3,
+ WM8955_VROI, 0);
+
+ /* Turn off VMID and VREF */
+ snd_soc_update_bits(codec, WM8955_POWER_MANAGEMENT_1,
+ WM8955_VREF |
+ WM8955_VMIDSEL_MASK, 0);
+
+ regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies),
+ wm8955->supplies);
+ break;
+ }
+ codec->bias_level = level;
+ return 0;
+}
+
+#define WM8955_RATES SNDRV_PCM_RATE_8000_96000
+
+#define WM8955_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_ops wm8955_dai_ops = {
+ .set_sysclk = wm8955_set_sysclk,
+ .set_fmt = wm8955_set_fmt,
+ .hw_params = wm8955_hw_params,
+ .digital_mute = wm8955_digital_mute,
+};
+
+struct snd_soc_dai wm8955_dai = {
+ .name = "WM8955",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8955_RATES,
+ .formats = WM8955_FORMATS,
+ },
+ .ops = &wm8955_dai_ops,
+};
+EXPORT_SYMBOL_GPL(wm8955_dai);
+
+#ifdef CONFIG_PM
+static int wm8955_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int wm8955_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ wm8955_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+#else
+#define wm8955_suspend NULL
+#define wm8955_resume NULL
+#endif
+
+static int wm8955_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ if (wm8955_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
+
+ socdev->card->codec = wm8955_codec;
+ codec = wm8955_codec;
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
+ goto pcm_err;
+ }
+
+ wm8955_add_widgets(codec);
+
+ return ret;
+
+pcm_err:
+ return ret;
+}
+
+static int wm8955_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8955 = {
+ .probe = wm8955_probe,
+ .remove = wm8955_remove,
+ .suspend = wm8955_suspend,
+ .resume = wm8955_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8955);
+
+static int wm8955_register(struct wm8955_priv *wm8955,
+ enum snd_soc_control_type control)
+{
+ int ret;
+ struct snd_soc_codec *codec = &wm8955->codec;
+ int i;
+
+ if (wm8955_codec) {
+ dev_err(codec->dev, "Another WM8955 is registered\n");
+ return -EINVAL;
+ }
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ codec->private_data = wm8955;
+ codec->name = "WM8955";
+ codec->owner = THIS_MODULE;
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ codec->set_bias_level = wm8955_set_bias_level;
+ codec->dai = &wm8955_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = WM8955_MAX_REGISTER;
+ codec->reg_cache = &wm8955->reg_cache;
+
+ memcpy(codec->reg_cache, wm8955_reg, sizeof(wm8955_reg));
+
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ goto err;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(wm8955->supplies); i++)
+ wm8955->supplies[i].supply = wm8955_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8955->supplies),
+ wm8955->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ goto err;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8955->supplies),
+ wm8955->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_get;
+ }
+
+ ret = wm8955_reset(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
+ goto err_enable;
+ }
+
+ wm8955_dai.dev = codec->dev;
+
+ /* Change some default settings - latch VU and enable ZC */
+ wm8955->reg_cache[WM8955_LEFT_DAC_VOLUME] |= WM8955_LDVU;
+ wm8955->reg_cache[WM8955_RIGHT_DAC_VOLUME] |= WM8955_RDVU;
+ wm8955->reg_cache[WM8955_LOUT1_VOLUME] |= WM8955_LO1VU | WM8955_LO1ZC;
+ wm8955->reg_cache[WM8955_ROUT1_VOLUME] |= WM8955_RO1VU | WM8955_RO1ZC;
+ wm8955->reg_cache[WM8955_LOUT2_VOLUME] |= WM8955_LO2VU | WM8955_LO2ZC;
+ wm8955->reg_cache[WM8955_ROUT2_VOLUME] |= WM8955_RO2VU | WM8955_RO2ZC;
+ wm8955->reg_cache[WM8955_MONOOUT_VOLUME] |= WM8955_MOZC;
+
+ /* Also enable adaptive bass boost by default */
+ wm8955->reg_cache[WM8955_BASS_CONTROL] |= WM8955_BB;
+
+ /* Set platform data values */
+ if (wm8955->pdata) {
+ if (wm8955->pdata->out2_speaker)
+ wm8955->reg_cache[WM8955_ADDITIONAL_CONTROL_2]
+ |= WM8955_ROUT2INV;
+
+ if (wm8955->pdata->monoin_diff)
+ wm8955->reg_cache[WM8955_MONO_OUT_MIX_1]
+ |= WM8955_DMEN;
+ }
+
+ wm8955_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Bias level configuration will have done an extra enable */
+ regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
+
+ wm8955_codec = codec;
+
+ ret = snd_soc_register_codec(codec);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_dai(&wm8955_dai);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
+ snd_soc_unregister_codec(codec);
+ return ret;
+ }
+
+ return 0;
+
+err_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
+err_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
+err:
+ kfree(wm8955);
+ return ret;
+}
+
+static void wm8955_unregister(struct wm8955_priv *wm8955)
+{
+ wm8955_set_bias_level(&wm8955->codec, SND_SOC_BIAS_OFF);
+ regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
+ snd_soc_unregister_dai(&wm8955_dai);
+ snd_soc_unregister_codec(&wm8955->codec);
+ kfree(wm8955);
+ wm8955_codec = NULL;
+}
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8955_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm8955_priv *wm8955;
+ struct snd_soc_codec *codec;
+
+ wm8955 = kzalloc(sizeof(struct wm8955_priv), GFP_KERNEL);
+ if (wm8955 == NULL)
+ return -ENOMEM;
+
+ codec = &wm8955->codec;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+
+ i2c_set_clientdata(i2c, wm8955);
+ codec->control_data = i2c;
+ wm8955->pdata = i2c->dev.platform_data;
+
+ codec->dev = &i2c->dev;
+
+ return wm8955_register(wm8955, SND_SOC_I2C);
+}
+
+static __devexit int wm8955_i2c_remove(struct i2c_client *client)
+{
+ struct wm8955_priv *wm8955 = i2c_get_clientdata(client);
+ wm8955_unregister(wm8955);
+ return 0;
+}
+
+static const struct i2c_device_id wm8955_i2c_id[] = {
+ { "wm8955", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8955_i2c_id);
+
+static struct i2c_driver wm8955_i2c_driver = {
+ .driver = {
+ .name = "wm8955",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8955_i2c_probe,
+ .remove = __devexit_p(wm8955_i2c_remove),
+ .id_table = wm8955_i2c_id,
+};
+#endif
+
+static int __init wm8955_modinit(void)
+{
+ int ret;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&wm8955_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8955 I2C driver: %d\n",
+ ret);
+ }
+#endif
+ return 0;
+}
+module_init(wm8955_modinit);
+
+static void __exit wm8955_exit(void)
+{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8955_i2c_driver);
+#endif
+}
+module_exit(wm8955_exit);
+
+MODULE_DESCRIPTION("ASoC WM8955 driver");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * wm8955.h -- WM8904 ASoC driver
+ *
+ * Copyright 2009 Wolfson Microelectronics, plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.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.
+ */
+
+#ifndef _WM8955_H
+#define _WM8955_H
+
+#define WM8955_CLK_MCLK 1
+
+extern struct snd_soc_dai wm8955_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8955;
+
+/*
+ * Register values.
+ */
+#define WM8955_LOUT1_VOLUME 0x02
+#define WM8955_ROUT1_VOLUME 0x03
+#define WM8955_DAC_CONTROL 0x05
+#define WM8955_AUDIO_INTERFACE 0x07
+#define WM8955_SAMPLE_RATE 0x08
+#define WM8955_LEFT_DAC_VOLUME 0x0A
+#define WM8955_RIGHT_DAC_VOLUME 0x0B
+#define WM8955_BASS_CONTROL 0x0C
+#define WM8955_TREBLE_CONTROL 0x0D
+#define WM8955_RESET 0x0F
+#define WM8955_ADDITIONAL_CONTROL_1 0x17
+#define WM8955_ADDITIONAL_CONTROL_2 0x18
+#define WM8955_POWER_MANAGEMENT_1 0x19
+#define WM8955_POWER_MANAGEMENT_2 0x1A
+#define WM8955_ADDITIONAL_CONTROL_3 0x1B
+#define WM8955_LEFT_OUT_MIX_1 0x22
+#define WM8955_LEFT_OUT_MIX_2 0x23
+#define WM8955_RIGHT_OUT_MIX_1 0x24
+#define WM8955_RIGHT_OUT_MIX_2 0x25
+#define WM8955_MONO_OUT_MIX_1 0x26
+#define WM8955_MONO_OUT_MIX_2 0x27
+#define WM8955_LOUT2_VOLUME 0x28
+#define WM8955_ROUT2_VOLUME 0x29
+#define WM8955_MONOOUT_VOLUME 0x2A
+#define WM8955_CLOCKING_PLL 0x2B
+#define WM8955_PLL_CONTROL_1 0x2C
+#define WM8955_PLL_CONTROL_2 0x2D
+#define WM8955_PLL_CONTROL_3 0x2E
+#define WM8955_PLL_CONTROL_4 0x3B
+
+#define WM8955_REGISTER_COUNT 29
+#define WM8955_MAX_REGISTER 0x3B
+
+/*
+ * Field Definitions.
+ */
+
+/*
+ * R2 (0x02) - LOUT1 volume
+ */
+#define WM8955_LO1VU 0x0100 /* LO1VU */
+#define WM8955_LO1VU_MASK 0x0100 /* LO1VU */
+#define WM8955_LO1VU_SHIFT 8 /* LO1VU */
+#define WM8955_LO1VU_WIDTH 1 /* LO1VU */
+#define WM8955_LO1ZC 0x0080 /* LO1ZC */
+#define WM8955_LO1ZC_MASK 0x0080 /* LO1ZC */
+#define WM8955_LO1ZC_SHIFT 7 /* LO1ZC */
+#define WM8955_LO1ZC_WIDTH 1 /* LO1ZC */
+#define WM8955_LOUTVOL_MASK 0x007F /* LOUTVOL - [6:0] */
+#define WM8955_LOUTVOL_SHIFT 0 /* LOUTVOL - [6:0] */
+#define WM8955_LOUTVOL_WIDTH 7 /* LOUTVOL - [6:0] */
+
+/*
+ * R3 (0x03) - ROUT1 volume
+ */
+#define WM8955_RO1VU 0x0100 /* RO1VU */
+#define WM8955_RO1VU_MASK 0x0100 /* RO1VU */
+#define WM8955_RO1VU_SHIFT 8 /* RO1VU */
+#define WM8955_RO1VU_WIDTH 1 /* RO1VU */
+#define WM8955_RO1ZC 0x0080 /* RO1ZC */
+#define WM8955_RO1ZC_MASK 0x0080 /* RO1ZC */
+#define WM8955_RO1ZC_SHIFT 7 /* RO1ZC */
+#define WM8955_RO1ZC_WIDTH 1 /* RO1ZC */
+#define WM8955_ROUTVOL_MASK 0x007F /* ROUTVOL - [6:0] */
+#define WM8955_ROUTVOL_SHIFT 0 /* ROUTVOL - [6:0] */
+#define WM8955_ROUTVOL_WIDTH 7 /* ROUTVOL - [6:0] */
+
+/*
+ * R5 (0x05) - DAC Control
+ */
+#define WM8955_DAT 0x0080 /* DAT */
+#define WM8955_DAT_MASK 0x0080 /* DAT */
+#define WM8955_DAT_SHIFT 7 /* DAT */
+#define WM8955_DAT_WIDTH 1 /* DAT */
+#define WM8955_DACMU 0x0008 /* DACMU */
+#define WM8955_DACMU_MASK 0x0008 /* DACMU */
+#define WM8955_DACMU_SHIFT 3 /* DACMU */
+#define WM8955_DACMU_WIDTH 1 /* DACMU */
+#define WM8955_DEEMPH_MASK 0x0006 /* DEEMPH - [2:1] */
+#define WM8955_DEEMPH_SHIFT 1 /* DEEMPH - [2:1] */
+#define WM8955_DEEMPH_WIDTH 2 /* DEEMPH - [2:1] */
+
+/*
+ * R7 (0x07) - Audio Interface
+ */
+#define WM8955_BCLKINV 0x0080 /* BCLKINV */
+#define WM8955_BCLKINV_MASK 0x0080 /* BCLKINV */
+#define WM8955_BCLKINV_SHIFT 7 /* BCLKINV */
+#define WM8955_BCLKINV_WIDTH 1 /* BCLKINV */
+#define WM8955_MS 0x0040 /* MS */
+#define WM8955_MS_MASK 0x0040 /* MS */
+#define WM8955_MS_SHIFT 6 /* MS */
+#define WM8955_MS_WIDTH 1 /* MS */
+#define WM8955_LRSWAP 0x0020 /* LRSWAP */
+#define WM8955_LRSWAP_MASK 0x0020 /* LRSWAP */
+#define WM8955_LRSWAP_SHIFT 5 /* LRSWAP */
+#define WM8955_LRSWAP_WIDTH 1 /* LRSWAP */
+#define WM8955_LRP 0x0010 /* LRP */
+#define WM8955_LRP_MASK 0x0010 /* LRP */
+#define WM8955_LRP_SHIFT 4 /* LRP */
+#define WM8955_LRP_WIDTH 1 /* LRP */
+#define WM8955_WL_MASK 0x000C /* WL - [3:2] */
+#define WM8955_WL_SHIFT 2 /* WL - [3:2] */
+#define WM8955_WL_WIDTH 2 /* WL - [3:2] */
+#define WM8955_FORMAT_MASK 0x0003 /* FORMAT - [1:0] */
+#define WM8955_FORMAT_SHIFT 0 /* FORMAT - [1:0] */
+#define WM8955_FORMAT_WIDTH 2 /* FORMAT - [1:0] */
+
+/*
+ * R8 (0x08) - Sample Rate
+ */
+#define WM8955_BCLKDIV2 0x0080 /* BCLKDIV2 */
+#define WM8955_BCLKDIV2_MASK 0x0080 /* BCLKDIV2 */
+#define WM8955_BCLKDIV2_SHIFT 7 /* BCLKDIV2 */
+#define WM8955_BCLKDIV2_WIDTH 1 /* BCLKDIV2 */
+#define WM8955_MCLKDIV2 0x0040 /* MCLKDIV2 */
+#define WM8955_MCLKDIV2_MASK 0x0040 /* MCLKDIV2 */
+#define WM8955_MCLKDIV2_SHIFT 6 /* MCLKDIV2 */
+#define WM8955_MCLKDIV2_WIDTH 1 /* MCLKDIV2 */
+#define WM8955_SR_MASK 0x003E /* SR - [5:1] */
+#define WM8955_SR_SHIFT 1 /* SR - [5:1] */
+#define WM8955_SR_WIDTH 5 /* SR - [5:1] */
+#define WM8955_USB 0x0001 /* USB */
+#define WM8955_USB_MASK 0x0001 /* USB */
+#define WM8955_USB_SHIFT 0 /* USB */
+#define WM8955_USB_WIDTH 1 /* USB */
+
+/*
+ * R10 (0x0A) - Left DAC volume
+ */
+#define WM8955_LDVU 0x0100 /* LDVU */
+#define WM8955_LDVU_MASK 0x0100 /* LDVU */
+#define WM8955_LDVU_SHIFT 8 /* LDVU */
+#define WM8955_LDVU_WIDTH 1 /* LDVU */
+#define WM8955_LDACVOL_MASK 0x00FF /* LDACVOL - [7:0] */
+#define WM8955_LDACVOL_SHIFT 0 /* LDACVOL - [7:0] */
+#define WM8955_LDACVOL_WIDTH 8 /* LDACVOL - [7:0] */
+
+/*
+ * R11 (0x0B) - Right DAC volume
+ */
+#define WM8955_RDVU 0x0100 /* RDVU */
+#define WM8955_RDVU_MASK 0x0100 /* RDVU */
+#define WM8955_RDVU_SHIFT 8 /* RDVU */
+#define WM8955_RDVU_WIDTH 1 /* RDVU */
+#define WM8955_RDACVOL_MASK 0x00FF /* RDACVOL - [7:0] */
+#define WM8955_RDACVOL_SHIFT 0 /* RDACVOL - [7:0] */
+#define WM8955_RDACVOL_WIDTH 8 /* RDACVOL - [7:0] */
+
+/*
+ * R12 (0x0C) - Bass control
+ */
+#define WM8955_BB 0x0080 /* BB */
+#define WM8955_BB_MASK 0x0080 /* BB */
+#define WM8955_BB_SHIFT 7 /* BB */
+#define WM8955_BB_WIDTH 1 /* BB */
+#define WM8955_BC 0x0040 /* BC */
+#define WM8955_BC_MASK 0x0040 /* BC */
+#define WM8955_BC_SHIFT 6 /* BC */
+#define WM8955_BC_WIDTH 1 /* BC */
+#define WM8955_BASS_MASK 0x000F /* BASS - [3:0] */
+#define WM8955_BASS_SHIFT 0 /* BASS - [3:0] */
+#define WM8955_BASS_WIDTH 4 /* BASS - [3:0] */
+
+/*
+ * R13 (0x0D) - Treble control
+ */
+#define WM8955_TC 0x0040 /* TC */
+#define WM8955_TC_MASK 0x0040 /* TC */
+#define WM8955_TC_SHIFT 6 /* TC */
+#define WM8955_TC_WIDTH 1 /* TC */
+#define WM8955_TRBL_MASK 0x000F /* TRBL - [3:0] */
+#define WM8955_TRBL_SHIFT 0 /* TRBL - [3:0] */
+#define WM8955_TRBL_WIDTH 4 /* TRBL - [3:0] */
+
+/*
+ * R15 (0x0F) - Reset
+ */
+#define WM8955_RESET_MASK 0x01FF /* RESET - [8:0] */
+#define WM8955_RESET_SHIFT 0 /* RESET - [8:0] */
+#define WM8955_RESET_WIDTH 9 /* RESET - [8:0] */
+
+/*
+ * R23 (0x17) - Additional control (1)
+ */
+#define WM8955_TSDEN 0x0100 /* TSDEN */
+#define WM8955_TSDEN_MASK 0x0100 /* TSDEN */
+#define WM8955_TSDEN_SHIFT 8 /* TSDEN */
+#define WM8955_TSDEN_WIDTH 1 /* TSDEN */
+#define WM8955_VSEL_MASK 0x00C0 /* VSEL - [7:6] */
+#define WM8955_VSEL_SHIFT 6 /* VSEL - [7:6] */
+#define WM8955_VSEL_WIDTH 2 /* VSEL - [7:6] */
+#define WM8955_DMONOMIX_MASK 0x0030 /* DMONOMIX - [5:4] */
+#define WM8955_DMONOMIX_SHIFT 4 /* DMONOMIX - [5:4] */
+#define WM8955_DMONOMIX_WIDTH 2 /* DMONOMIX - [5:4] */
+#define WM8955_DACINV 0x0002 /* DACINV */
+#define WM8955_DACINV_MASK 0x0002 /* DACINV */
+#define WM8955_DACINV_SHIFT 1 /* DACINV */
+#define WM8955_DACINV_WIDTH 1 /* DACINV */
+#define WM8955_TOEN 0x0001 /* TOEN */
+#define WM8955_TOEN_MASK 0x0001 /* TOEN */
+#define WM8955_TOEN_SHIFT 0 /* TOEN */
+#define WM8955_TOEN_WIDTH 1 /* TOEN */
+
+/*
+ * R24 (0x18) - Additional control (2)
+ */
+#define WM8955_OUT3SW_MASK 0x0180 /* OUT3SW - [8:7] */
+#define WM8955_OUT3SW_SHIFT 7 /* OUT3SW - [8:7] */
+#define WM8955_OUT3SW_WIDTH 2 /* OUT3SW - [8:7] */
+#define WM8955_ROUT2INV 0x0010 /* ROUT2INV */
+#define WM8955_ROUT2INV_MASK 0x0010 /* ROUT2INV */
+#define WM8955_ROUT2INV_SHIFT 4 /* ROUT2INV */
+#define WM8955_ROUT2INV_WIDTH 1 /* ROUT2INV */
+#define WM8955_DACOSR 0x0001 /* DACOSR */
+#define WM8955_DACOSR_MASK 0x0001 /* DACOSR */
+#define WM8955_DACOSR_SHIFT 0 /* DACOSR */
+#define WM8955_DACOSR_WIDTH 1 /* DACOSR */
+
+/*
+ * R25 (0x19) - Power Management (1)
+ */
+#define WM8955_VMIDSEL_MASK 0x0180 /* VMIDSEL - [8:7] */
+#define WM8955_VMIDSEL_SHIFT 7 /* VMIDSEL - [8:7] */
+#define WM8955_VMIDSEL_WIDTH 2 /* VMIDSEL - [8:7] */
+#define WM8955_VREF 0x0040 /* VREF */
+#define WM8955_VREF_MASK 0x0040 /* VREF */
+#define WM8955_VREF_SHIFT 6 /* VREF */
+#define WM8955_VREF_WIDTH 1 /* VREF */
+#define WM8955_DIGENB 0x0001 /* DIGENB */
+#define WM8955_DIGENB_MASK 0x0001 /* DIGENB */
+#define WM8955_DIGENB_SHIFT 0 /* DIGENB */
+#define WM8955_DIGENB_WIDTH 1 /* DIGENB */
+
+/*
+ * R26 (0x1A) - Power Management (2)
+ */
+#define WM8955_DACL 0x0100 /* DACL */
+#define WM8955_DACL_MASK 0x0100 /* DACL */
+#define WM8955_DACL_SHIFT 8 /* DACL */
+#define WM8955_DACL_WIDTH 1 /* DACL */
+#define WM8955_DACR 0x0080 /* DACR */
+#define WM8955_DACR_MASK 0x0080 /* DACR */
+#define WM8955_DACR_SHIFT 7 /* DACR */
+#define WM8955_DACR_WIDTH 1 /* DACR */
+#define WM8955_LOUT1 0x0040 /* LOUT1 */
+#define WM8955_LOUT1_MASK 0x0040 /* LOUT1 */
+#define WM8955_LOUT1_SHIFT 6 /* LOUT1 */
+#define WM8955_LOUT1_WIDTH 1 /* LOUT1 */
+#define WM8955_ROUT1 0x0020 /* ROUT1 */
+#define WM8955_ROUT1_MASK 0x0020 /* ROUT1 */
+#define WM8955_ROUT1_SHIFT 5 /* ROUT1 */
+#define WM8955_ROUT1_WIDTH 1 /* ROUT1 */
+#define WM8955_LOUT2 0x0010 /* LOUT2 */
+#define WM8955_LOUT2_MASK 0x0010 /* LOUT2 */
+#define WM8955_LOUT2_SHIFT 4 /* LOUT2 */
+#define WM8955_LOUT2_WIDTH 1 /* LOUT2 */
+#define WM8955_ROUT2 0x0008 /* ROUT2 */
+#define WM8955_ROUT2_MASK 0x0008 /* ROUT2 */
+#define WM8955_ROUT2_SHIFT 3 /* ROUT2 */
+#define WM8955_ROUT2_WIDTH 1 /* ROUT2 */
+#define WM8955_MONO 0x0004 /* MONO */
+#define WM8955_MONO_MASK 0x0004 /* MONO */
+#define WM8955_MONO_SHIFT 2 /* MONO */
+#define WM8955_MONO_WIDTH 1 /* MONO */
+#define WM8955_OUT3 0x0002 /* OUT3 */
+#define WM8955_OUT3_MASK 0x0002 /* OUT3 */
+#define WM8955_OUT3_SHIFT 1 /* OUT3 */
+#define WM8955_OUT3_WIDTH 1 /* OUT3 */
+
+/*
+ * R27 (0x1B) - Additional Control (3)
+ */
+#define WM8955_VROI 0x0040 /* VROI */
+#define WM8955_VROI_MASK 0x0040 /* VROI */
+#define WM8955_VROI_SHIFT 6 /* VROI */
+#define WM8955_VROI_WIDTH 1 /* VROI */
+
+/*
+ * R34 (0x22) - Left out Mix (1)
+ */
+#define WM8955_LD2LO 0x0100 /* LD2LO */
+#define WM8955_LD2LO_MASK 0x0100 /* LD2LO */
+#define WM8955_LD2LO_SHIFT 8 /* LD2LO */
+#define WM8955_LD2LO_WIDTH 1 /* LD2LO */
+#define WM8955_LI2LO 0x0080 /* LI2LO */
+#define WM8955_LI2LO_MASK 0x0080 /* LI2LO */
+#define WM8955_LI2LO_SHIFT 7 /* LI2LO */
+#define WM8955_LI2LO_WIDTH 1 /* LI2LO */
+#define WM8955_LI2LOVOL_MASK 0x0070 /* LI2LOVOL - [6:4] */
+#define WM8955_LI2LOVOL_SHIFT 4 /* LI2LOVOL - [6:4] */
+#define WM8955_LI2LOVOL_WIDTH 3 /* LI2LOVOL - [6:4] */
+
+/*
+ * R35 (0x23) - Left out Mix (2)
+ */
+#define WM8955_RD2LO 0x0100 /* RD2LO */
+#define WM8955_RD2LO_MASK 0x0100 /* RD2LO */
+#define WM8955_RD2LO_SHIFT 8 /* RD2LO */
+#define WM8955_RD2LO_WIDTH 1 /* RD2LO */
+#define WM8955_RI2LO 0x0080 /* RI2LO */
+#define WM8955_RI2LO_MASK 0x0080 /* RI2LO */
+#define WM8955_RI2LO_SHIFT 7 /* RI2LO */
+#define WM8955_RI2LO_WIDTH 1 /* RI2LO */
+#define WM8955_RI2LOVOL_MASK 0x0070 /* RI2LOVOL - [6:4] */
+#define WM8955_RI2LOVOL_SHIFT 4 /* RI2LOVOL - [6:4] */
+#define WM8955_RI2LOVOL_WIDTH 3 /* RI2LOVOL - [6:4] */
+
+/*
+ * R36 (0x24) - Right out Mix (1)
+ */
+#define WM8955_LD2RO 0x0100 /* LD2RO */
+#define WM8955_LD2RO_MASK 0x0100 /* LD2RO */
+#define WM8955_LD2RO_SHIFT 8 /* LD2RO */
+#define WM8955_LD2RO_WIDTH 1 /* LD2RO */
+#define WM8955_LI2RO 0x0080 /* LI2RO */
+#define WM8955_LI2RO_MASK 0x0080 /* LI2RO */
+#define WM8955_LI2RO_SHIFT 7 /* LI2RO */
+#define WM8955_LI2RO_WIDTH 1 /* LI2RO */
+#define WM8955_LI2ROVOL_MASK 0x0070 /* LI2ROVOL - [6:4] */
+#define WM8955_LI2ROVOL_SHIFT 4 /* LI2ROVOL - [6:4] */
+#define WM8955_LI2ROVOL_WIDTH 3 /* LI2ROVOL - [6:4] */
+
+/*
+ * R37 (0x25) - Right Out Mix (2)
+ */
+#define WM8955_RD2RO 0x0100 /* RD2RO */
+#define WM8955_RD2RO_MASK 0x0100 /* RD2RO */
+#define WM8955_RD2RO_SHIFT 8 /* RD2RO */
+#define WM8955_RD2RO_WIDTH 1 /* RD2RO */
+#define WM8955_RI2RO 0x0080 /* RI2RO */
+#define WM8955_RI2RO_MASK 0x0080 /* RI2RO */
+#define WM8955_RI2RO_SHIFT 7 /* RI2RO */
+#define WM8955_RI2RO_WIDTH 1 /* RI2RO */
+#define WM8955_RI2ROVOL_MASK 0x0070 /* RI2ROVOL - [6:4] */
+#define WM8955_RI2ROVOL_SHIFT 4 /* RI2ROVOL - [6:4] */
+#define WM8955_RI2ROVOL_WIDTH 3 /* RI2ROVOL - [6:4] */
+
+/*
+ * R38 (0x26) - Mono out Mix (1)
+ */
+#define WM8955_LD2MO 0x0100 /* LD2MO */
+#define WM8955_LD2MO_MASK 0x0100 /* LD2MO */
+#define WM8955_LD2MO_SHIFT 8 /* LD2MO */
+#define WM8955_LD2MO_WIDTH 1 /* LD2MO */
+#define WM8955_LI2MO 0x0080 /* LI2MO */
+#define WM8955_LI2MO_MASK 0x0080 /* LI2MO */
+#define WM8955_LI2MO_SHIFT 7 /* LI2MO */
+#define WM8955_LI2MO_WIDTH 1 /* LI2MO */
+#define WM8955_LI2MOVOL_MASK 0x0070 /* LI2MOVOL - [6:4] */
+#define WM8955_LI2MOVOL_SHIFT 4 /* LI2MOVOL - [6:4] */
+#define WM8955_LI2MOVOL_WIDTH 3 /* LI2MOVOL - [6:4] */
+#define WM8955_DMEN 0x0001 /* DMEN */
+#define WM8955_DMEN_MASK 0x0001 /* DMEN */
+#define WM8955_DMEN_SHIFT 0 /* DMEN */
+#define WM8955_DMEN_WIDTH 1 /* DMEN */
+
+/*
+ * R39 (0x27) - Mono out Mix (2)
+ */
+#define WM8955_RD2MO 0x0100 /* RD2MO */
+#define WM8955_RD2MO_MASK 0x0100 /* RD2MO */
+#define WM8955_RD2MO_SHIFT 8 /* RD2MO */
+#define WM8955_RD2MO_WIDTH 1 /* RD2MO */
+#define WM8955_RI2MO 0x0080 /* RI2MO */
+#define WM8955_RI2MO_MASK 0x0080 /* RI2MO */
+#define WM8955_RI2MO_SHIFT 7 /* RI2MO */
+#define WM8955_RI2MO_WIDTH 1 /* RI2MO */
+#define WM8955_RI2MOVOL_MASK 0x0070 /* RI2MOVOL - [6:4] */
+#define WM8955_RI2MOVOL_SHIFT 4 /* RI2MOVOL - [6:4] */
+#define WM8955_RI2MOVOL_WIDTH 3 /* RI2MOVOL - [6:4] */
+
+/*
+ * R40 (0x28) - LOUT2 volume
+ */
+#define WM8955_LO2VU 0x0100 /* LO2VU */
+#define WM8955_LO2VU_MASK 0x0100 /* LO2VU */
+#define WM8955_LO2VU_SHIFT 8 /* LO2VU */
+#define WM8955_LO2VU_WIDTH 1 /* LO2VU */
+#define WM8955_LO2ZC 0x0080 /* LO2ZC */
+#define WM8955_LO2ZC_MASK 0x0080 /* LO2ZC */
+#define WM8955_LO2ZC_SHIFT 7 /* LO2ZC */
+#define WM8955_LO2ZC_WIDTH 1 /* LO2ZC */
+#define WM8955_LOUT2VOL_MASK 0x007F /* LOUT2VOL - [6:0] */
+#define WM8955_LOUT2VOL_SHIFT 0 /* LOUT2VOL - [6:0] */
+#define WM8955_LOUT2VOL_WIDTH 7 /* LOUT2VOL - [6:0] */
+
+/*
+ * R41 (0x29) - ROUT2 volume
+ */
+#define WM8955_RO2VU 0x0100 /* RO2VU */
+#define WM8955_RO2VU_MASK 0x0100 /* RO2VU */
+#define WM8955_RO2VU_SHIFT 8 /* RO2VU */
+#define WM8955_RO2VU_WIDTH 1 /* RO2VU */
+#define WM8955_RO2ZC 0x0080 /* RO2ZC */
+#define WM8955_RO2ZC_MASK 0x0080 /* RO2ZC */
+#define WM8955_RO2ZC_SHIFT 7 /* RO2ZC */
+#define WM8955_RO2ZC_WIDTH 1 /* RO2ZC */
+#define WM8955_ROUT2VOL_MASK 0x007F /* ROUT2VOL - [6:0] */
+#define WM8955_ROUT2VOL_SHIFT 0 /* ROUT2VOL - [6:0] */
+#define WM8955_ROUT2VOL_WIDTH 7 /* ROUT2VOL - [6:0] */
+
+/*
+ * R42 (0x2A) - MONOOUT volume
+ */
+#define WM8955_MOZC 0x0080 /* MOZC */
+#define WM8955_MOZC_MASK 0x0080 /* MOZC */
+#define WM8955_MOZC_SHIFT 7 /* MOZC */
+#define WM8955_MOZC_WIDTH 1 /* MOZC */
+#define WM8955_MOUTVOL_MASK 0x007F /* MOUTVOL - [6:0] */
+#define WM8955_MOUTVOL_SHIFT 0 /* MOUTVOL - [6:0] */
+#define WM8955_MOUTVOL_WIDTH 7 /* MOUTVOL - [6:0] */
+
+/*
+ * R43 (0x2B) - Clocking / PLL
+ */
+#define WM8955_MCLKSEL 0x0100 /* MCLKSEL */
+#define WM8955_MCLKSEL_MASK 0x0100 /* MCLKSEL */
+#define WM8955_MCLKSEL_SHIFT 8 /* MCLKSEL */
+#define WM8955_MCLKSEL_WIDTH 1 /* MCLKSEL */
+#define WM8955_PLLOUTDIV2 0x0020 /* PLLOUTDIV2 */
+#define WM8955_PLLOUTDIV2_MASK 0x0020 /* PLLOUTDIV2 */
+#define WM8955_PLLOUTDIV2_SHIFT 5 /* PLLOUTDIV2 */
+#define WM8955_PLLOUTDIV2_WIDTH 1 /* PLLOUTDIV2 */
+#define WM8955_PLL_RB 0x0010 /* PLL_RB */
+#define WM8955_PLL_RB_MASK 0x0010 /* PLL_RB */
+#define WM8955_PLL_RB_SHIFT 4 /* PLL_RB */
+#define WM8955_PLL_RB_WIDTH 1 /* PLL_RB */
+#define WM8955_PLLEN 0x0008 /* PLLEN */
+#define WM8955_PLLEN_MASK 0x0008 /* PLLEN */
+#define WM8955_PLLEN_SHIFT 3 /* PLLEN */
+#define WM8955_PLLEN_WIDTH 1 /* PLLEN */
+
+/*
+ * R44 (0x2C) - PLL Control 1
+ */
+#define WM8955_N_MASK 0x01E0 /* N - [8:5] */
+#define WM8955_N_SHIFT 5 /* N - [8:5] */
+#define WM8955_N_WIDTH 4 /* N - [8:5] */
+#define WM8955_K_21_18_MASK 0x000F /* K(21:18) - [3:0] */
+#define WM8955_K_21_18_SHIFT 0 /* K(21:18) - [3:0] */
+#define WM8955_K_21_18_WIDTH 4 /* K(21:18) - [3:0] */
+
+/*
+ * R45 (0x2D) - PLL Control 2
+ */
+#define WM8955_K_17_9_MASK 0x01FF /* K(17:9) - [8:0] */
+#define WM8955_K_17_9_SHIFT 0 /* K(17:9) - [8:0] */
+#define WM8955_K_17_9_WIDTH 9 /* K(17:9) - [8:0] */
+
+/*
+ * R46 (0x2E) - PLL Control 3
+ */
+#define WM8955_K_8_0_MASK 0x01FF /* K(8:0) - [8:0] */
+#define WM8955_K_8_0_SHIFT 0 /* K(8:0) - [8:0] */
+#define WM8955_K_8_0_WIDTH 9 /* K(8:0) - [8:0] */
+
+/*
+ * R59 (0x3B) - PLL Control 4
+ */
+#define WM8955_KEN 0x0080 /* KEN */
+#define WM8955_KEN_MASK 0x0080 /* KEN */
+#define WM8955_KEN_SHIFT 7 /* KEN */
+#define WM8955_KEN_WIDTH 1 /* KEN */
+
+#endif