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-rw-r--r--sound/soc/codecs/cs42l73.c1509
1 files changed, 1509 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
new file mode 100644
index 000000000..8ecedba79
--- /dev/null
+++ b/sound/soc/codecs/cs42l73.c
@@ -0,0 +1,1509 @@
+/*
+ * cs42l73.c -- CS42L73 ALSA Soc Audio driver
+ *
+ * Copyright 2011 Cirrus Logic, Inc.
+ *
+ * Authors: Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>
+ * Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.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/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/of_gpio.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.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/cs42l73.h>
+#include "cs42l73.h"
+
+struct sp_config {
+ u8 spc, mmcc, spfs;
+ u32 srate;
+};
+struct cs42l73_private {
+ struct cs42l73_platform_data pdata;
+ struct sp_config config[3];
+ struct regmap *regmap;
+ u32 sysclk;
+ u8 mclksel;
+ u32 mclk;
+ int shutdwn_delay;
+};
+
+static const struct reg_default cs42l73_reg_defaults[] = {
+ { 6, 0xF1 }, /* r06 - Power Ctl 1 */
+ { 7, 0xDF }, /* r07 - Power Ctl 2 */
+ { 8, 0x3F }, /* r08 - Power Ctl 3 */
+ { 9, 0x50 }, /* r09 - Charge Pump Freq */
+ { 10, 0x53 }, /* r0A - Output Load MicBias Short Detect */
+ { 11, 0x00 }, /* r0B - DMIC Master Clock Ctl */
+ { 12, 0x00 }, /* r0C - Aux PCM Ctl */
+ { 13, 0x15 }, /* r0D - Aux PCM Master Clock Ctl */
+ { 14, 0x00 }, /* r0E - Audio PCM Ctl */
+ { 15, 0x15 }, /* r0F - Audio PCM Master Clock Ctl */
+ { 16, 0x00 }, /* r10 - Voice PCM Ctl */
+ { 17, 0x15 }, /* r11 - Voice PCM Master Clock Ctl */
+ { 18, 0x00 }, /* r12 - Voice/Aux Sample Rate */
+ { 19, 0x06 }, /* r13 - Misc I/O Path Ctl */
+ { 20, 0x00 }, /* r14 - ADC Input Path Ctl */
+ { 21, 0x00 }, /* r15 - MICA Preamp, PGA Volume */
+ { 22, 0x00 }, /* r16 - MICB Preamp, PGA Volume */
+ { 23, 0x00 }, /* r17 - Input Path A Digital Volume */
+ { 24, 0x00 }, /* r18 - Input Path B Digital Volume */
+ { 25, 0x00 }, /* r19 - Playback Digital Ctl */
+ { 26, 0x00 }, /* r1A - HP/LO Left Digital Volume */
+ { 27, 0x00 }, /* r1B - HP/LO Right Digital Volume */
+ { 28, 0x00 }, /* r1C - Speakerphone Digital Volume */
+ { 29, 0x00 }, /* r1D - Ear/SPKLO Digital Volume */
+ { 30, 0x00 }, /* r1E - HP Left Analog Volume */
+ { 31, 0x00 }, /* r1F - HP Right Analog Volume */
+ { 32, 0x00 }, /* r20 - LO Left Analog Volume */
+ { 33, 0x00 }, /* r21 - LO Right Analog Volume */
+ { 34, 0x00 }, /* r22 - Stereo Input Path Advisory Volume */
+ { 35, 0x00 }, /* r23 - Aux PCM Input Advisory Volume */
+ { 36, 0x00 }, /* r24 - Audio PCM Input Advisory Volume */
+ { 37, 0x00 }, /* r25 - Voice PCM Input Advisory Volume */
+ { 38, 0x00 }, /* r26 - Limiter Attack Rate HP/LO */
+ { 39, 0x7F }, /* r27 - Limter Ctl, Release Rate HP/LO */
+ { 40, 0x00 }, /* r28 - Limter Threshold HP/LO */
+ { 41, 0x00 }, /* r29 - Limiter Attack Rate Speakerphone */
+ { 42, 0x3F }, /* r2A - Limter Ctl, Release Rate Speakerphone */
+ { 43, 0x00 }, /* r2B - Limter Threshold Speakerphone */
+ { 44, 0x00 }, /* r2C - Limiter Attack Rate Ear/SPKLO */
+ { 45, 0x3F }, /* r2D - Limter Ctl, Release Rate Ear/SPKLO */
+ { 46, 0x00 }, /* r2E - Limter Threshold Ear/SPKLO */
+ { 47, 0x00 }, /* r2F - ALC Enable, Attack Rate Left/Right */
+ { 48, 0x3F }, /* r30 - ALC Release Rate Left/Right */
+ { 49, 0x00 }, /* r31 - ALC Threshold Left/Right */
+ { 50, 0x00 }, /* r32 - Noise Gate Ctl Left/Right */
+ { 51, 0x00 }, /* r33 - ALC/NG Misc Ctl */
+ { 52, 0x18 }, /* r34 - Mixer Ctl */
+ { 53, 0x3F }, /* r35 - HP/LO Left Mixer Input Path Volume */
+ { 54, 0x3F }, /* r36 - HP/LO Right Mixer Input Path Volume */
+ { 55, 0x3F }, /* r37 - HP/LO Left Mixer Aux PCM Volume */
+ { 56, 0x3F }, /* r38 - HP/LO Right Mixer Aux PCM Volume */
+ { 57, 0x3F }, /* r39 - HP/LO Left Mixer Audio PCM Volume */
+ { 58, 0x3F }, /* r3A - HP/LO Right Mixer Audio PCM Volume */
+ { 59, 0x3F }, /* r3B - HP/LO Left Mixer Voice PCM Mono Volume */
+ { 60, 0x3F }, /* r3C - HP/LO Right Mixer Voice PCM Mono Volume */
+ { 61, 0x3F }, /* r3D - Aux PCM Left Mixer Input Path Volume */
+ { 62, 0x3F }, /* r3E - Aux PCM Right Mixer Input Path Volume */
+ { 63, 0x3F }, /* r3F - Aux PCM Left Mixer Volume */
+ { 64, 0x3F }, /* r40 - Aux PCM Left Mixer Volume */
+ { 65, 0x3F }, /* r41 - Aux PCM Left Mixer Audio PCM L Volume */
+ { 66, 0x3F }, /* r42 - Aux PCM Right Mixer Audio PCM R Volume */
+ { 67, 0x3F }, /* r43 - Aux PCM Left Mixer Voice PCM Volume */
+ { 68, 0x3F }, /* r44 - Aux PCM Right Mixer Voice PCM Volume */
+ { 69, 0x3F }, /* r45 - Audio PCM Left Input Path Volume */
+ { 70, 0x3F }, /* r46 - Audio PCM Right Input Path Volume */
+ { 71, 0x3F }, /* r47 - Audio PCM Left Mixer Aux PCM L Volume */
+ { 72, 0x3F }, /* r48 - Audio PCM Right Mixer Aux PCM R Volume */
+ { 73, 0x3F }, /* r49 - Audio PCM Left Mixer Volume */
+ { 74, 0x3F }, /* r4A - Audio PCM Right Mixer Volume */
+ { 75, 0x3F }, /* r4B - Audio PCM Left Mixer Voice PCM Volume */
+ { 76, 0x3F }, /* r4C - Audio PCM Right Mixer Voice PCM Volume */
+ { 77, 0x3F }, /* r4D - Voice PCM Left Input Path Volume */
+ { 78, 0x3F }, /* r4E - Voice PCM Right Input Path Volume */
+ { 79, 0x3F }, /* r4F - Voice PCM Left Mixer Aux PCM L Volume */
+ { 80, 0x3F }, /* r50 - Voice PCM Right Mixer Aux PCM R Volume */
+ { 81, 0x3F }, /* r51 - Voice PCM Left Mixer Audio PCM L Volume */
+ { 82, 0x3F }, /* r52 - Voice PCM Right Mixer Audio PCM R Volume */
+ { 83, 0x3F }, /* r53 - Voice PCM Left Mixer Voice PCM Volume */
+ { 84, 0x3F }, /* r54 - Voice PCM Right Mixer Voice PCM Volume */
+ { 85, 0xAA }, /* r55 - Mono Mixer Ctl */
+ { 86, 0x3F }, /* r56 - SPK Mono Mixer Input Path Volume */
+ { 87, 0x3F }, /* r57 - SPK Mono Mixer Aux PCM Mono/L/R Volume */
+ { 88, 0x3F }, /* r58 - SPK Mono Mixer Audio PCM Mono/L/R Volume */
+ { 89, 0x3F }, /* r59 - SPK Mono Mixer Voice PCM Mono Volume */
+ { 90, 0x3F }, /* r5A - SPKLO Mono Mixer Input Path Mono Volume */
+ { 91, 0x3F }, /* r5B - SPKLO Mono Mixer Aux Mono/L/R Volume */
+ { 92, 0x3F }, /* r5C - SPKLO Mono Mixer Audio Mono/L/R Volume */
+ { 93, 0x3F }, /* r5D - SPKLO Mono Mixer Voice Mono Volume */
+ { 94, 0x00 }, /* r5E - Interrupt Mask 1 */
+ { 95, 0x00 }, /* r5F - Interrupt Mask 2 */
+};
+
+static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS42L73_IS1:
+ case CS42L73_IS2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS42L73_DEVID_AB:
+ case CS42L73_DEVID_CD:
+ case CS42L73_DEVID_E:
+ case CS42L73_REVID:
+ case CS42L73_PWRCTL1:
+ case CS42L73_PWRCTL2:
+ case CS42L73_PWRCTL3:
+ case CS42L73_CPFCHC:
+ case CS42L73_OLMBMSDC:
+ case CS42L73_DMMCC:
+ case CS42L73_XSPC:
+ case CS42L73_XSPMMCC:
+ case CS42L73_ASPC:
+ case CS42L73_ASPMMCC:
+ case CS42L73_VSPC:
+ case CS42L73_VSPMMCC:
+ case CS42L73_VXSPFS:
+ case CS42L73_MIOPC:
+ case CS42L73_ADCIPC:
+ case CS42L73_MICAPREPGAAVOL:
+ case CS42L73_MICBPREPGABVOL:
+ case CS42L73_IPADVOL:
+ case CS42L73_IPBDVOL:
+ case CS42L73_PBDC:
+ case CS42L73_HLADVOL:
+ case CS42L73_HLBDVOL:
+ case CS42L73_SPKDVOL:
+ case CS42L73_ESLDVOL:
+ case CS42L73_HPAAVOL:
+ case CS42L73_HPBAVOL:
+ case CS42L73_LOAAVOL:
+ case CS42L73_LOBAVOL:
+ case CS42L73_STRINV:
+ case CS42L73_XSPINV:
+ case CS42L73_ASPINV:
+ case CS42L73_VSPINV:
+ case CS42L73_LIMARATEHL:
+ case CS42L73_LIMRRATEHL:
+ case CS42L73_LMAXHL:
+ case CS42L73_LIMARATESPK:
+ case CS42L73_LIMRRATESPK:
+ case CS42L73_LMAXSPK:
+ case CS42L73_LIMARATEESL:
+ case CS42L73_LIMRRATEESL:
+ case CS42L73_LMAXESL:
+ case CS42L73_ALCARATE:
+ case CS42L73_ALCRRATE:
+ case CS42L73_ALCMINMAX:
+ case CS42L73_NGCAB:
+ case CS42L73_ALCNGMC:
+ case CS42L73_MIXERCTL:
+ case CS42L73_HLAIPAA:
+ case CS42L73_HLBIPBA:
+ case CS42L73_HLAXSPAA:
+ case CS42L73_HLBXSPBA:
+ case CS42L73_HLAASPAA:
+ case CS42L73_HLBASPBA:
+ case CS42L73_HLAVSPMA:
+ case CS42L73_HLBVSPMA:
+ case CS42L73_XSPAIPAA:
+ case CS42L73_XSPBIPBA:
+ case CS42L73_XSPAXSPAA:
+ case CS42L73_XSPBXSPBA:
+ case CS42L73_XSPAASPAA:
+ case CS42L73_XSPAASPBA:
+ case CS42L73_XSPAVSPMA:
+ case CS42L73_XSPBVSPMA:
+ case CS42L73_ASPAIPAA:
+ case CS42L73_ASPBIPBA:
+ case CS42L73_ASPAXSPAA:
+ case CS42L73_ASPBXSPBA:
+ case CS42L73_ASPAASPAA:
+ case CS42L73_ASPBASPBA:
+ case CS42L73_ASPAVSPMA:
+ case CS42L73_ASPBVSPMA:
+ case CS42L73_VSPAIPAA:
+ case CS42L73_VSPBIPBA:
+ case CS42L73_VSPAXSPAA:
+ case CS42L73_VSPBXSPBA:
+ case CS42L73_VSPAASPAA:
+ case CS42L73_VSPBASPBA:
+ case CS42L73_VSPAVSPMA:
+ case CS42L73_VSPBVSPMA:
+ case CS42L73_MMIXCTL:
+ case CS42L73_SPKMIPMA:
+ case CS42L73_SPKMXSPA:
+ case CS42L73_SPKMASPA:
+ case CS42L73_SPKMVSPMA:
+ case CS42L73_ESLMIPMA:
+ case CS42L73_ESLMXSPA:
+ case CS42L73_ESLMASPA:
+ case CS42L73_ESLMVSPMA:
+ case CS42L73_IM1:
+ case CS42L73_IM2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const unsigned int hpaloa_tlv[] = {
+ TLV_DB_RANGE_HEAD(2),
+ 0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
+ 14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0),
+};
+
+static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
+
+static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
+
+static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
+
+static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
+
+static const unsigned int limiter_tlv[] = {
+ TLV_DB_RANGE_HEAD(2),
+ 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
+ 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0),
+};
+
+static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
+
+static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
+static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
+
+static SOC_ENUM_SINGLE_DECL(pgaa_enum,
+ CS42L73_ADCIPC, 3,
+ cs42l73_pgaa_text);
+
+static SOC_ENUM_SINGLE_DECL(pgab_enum,
+ CS42L73_ADCIPC, 7,
+ cs42l73_pgab_text);
+
+static const struct snd_kcontrol_new pgaa_mux =
+ SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
+
+static const struct snd_kcontrol_new pgab_mux =
+ SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
+
+static const struct snd_kcontrol_new input_left_mixer[] = {
+ SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
+ 5, 1, 1),
+ SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
+ 4, 1, 1),
+};
+
+static const struct snd_kcontrol_new input_right_mixer[] = {
+ SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
+ 7, 1, 1),
+ SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
+ 6, 1, 1),
+};
+
+static const char * const cs42l73_ng_delay_text[] = {
+ "50ms", "100ms", "150ms", "200ms" };
+
+static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
+ CS42L73_NGCAB, 0,
+ cs42l73_ng_delay_text);
+
+static const char * const cs42l73_mono_mix_texts[] = {
+ "Left", "Right", "Mono Mix"};
+
+static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
+
+static const struct soc_enum spk_asp_enum =
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
+ ARRAY_SIZE(cs42l73_mono_mix_texts),
+ cs42l73_mono_mix_texts,
+ cs42l73_mono_mix_values);
+
+static const struct snd_kcontrol_new spk_asp_mixer =
+ SOC_DAPM_ENUM("Route", spk_asp_enum);
+
+static const struct soc_enum spk_xsp_enum =
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
+ ARRAY_SIZE(cs42l73_mono_mix_texts),
+ cs42l73_mono_mix_texts,
+ cs42l73_mono_mix_values);
+
+static const struct snd_kcontrol_new spk_xsp_mixer =
+ SOC_DAPM_ENUM("Route", spk_xsp_enum);
+
+static const struct soc_enum esl_asp_enum =
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
+ ARRAY_SIZE(cs42l73_mono_mix_texts),
+ cs42l73_mono_mix_texts,
+ cs42l73_mono_mix_values);
+
+static const struct snd_kcontrol_new esl_asp_mixer =
+ SOC_DAPM_ENUM("Route", esl_asp_enum);
+
+static const struct soc_enum esl_xsp_enum =
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
+ ARRAY_SIZE(cs42l73_mono_mix_texts),
+ cs42l73_mono_mix_texts,
+ cs42l73_mono_mix_values);
+
+static const struct snd_kcontrol_new esl_xsp_mixer =
+ SOC_DAPM_ENUM("Route", esl_xsp_enum);
+
+static const char * const cs42l73_ip_swap_text[] = {
+ "Stereo", "Mono A", "Mono B", "Swap A-B"};
+
+static SOC_ENUM_SINGLE_DECL(ip_swap_enum,
+ CS42L73_MIOPC, 6,
+ cs42l73_ip_swap_text);
+
+static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
+
+static SOC_ENUM_SINGLE_DECL(vsp_output_mux_enum,
+ CS42L73_MIXERCTL, 5,
+ cs42l73_spo_mixer_text);
+
+static SOC_ENUM_SINGLE_DECL(xsp_output_mux_enum,
+ CS42L73_MIXERCTL, 4,
+ cs42l73_spo_mixer_text);
+
+static const struct snd_kcontrol_new vsp_output_mux =
+ SOC_DAPM_ENUM("Route", vsp_output_mux_enum);
+
+static const struct snd_kcontrol_new xsp_output_mux =
+ SOC_DAPM_ENUM("Route", xsp_output_mux_enum);
+
+static const struct snd_kcontrol_new hp_amp_ctl =
+ SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
+
+static const struct snd_kcontrol_new lo_amp_ctl =
+ SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
+
+static const struct snd_kcontrol_new spk_amp_ctl =
+ SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
+
+static const struct snd_kcontrol_new spklo_amp_ctl =
+ SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
+
+static const struct snd_kcontrol_new ear_amp_ctl =
+ SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
+
+static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
+ SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
+ CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
+ 0x41, 0x4B, hpaloa_tlv),
+
+ SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
+ CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),
+
+ SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
+ CS42L73_MICBPREPGABVOL, 0, 0x34,
+ 0x24, micpga_tlv),
+
+ SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
+ CS42L73_MICBPREPGABVOL, 6, 1, 1),
+
+ SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
+ CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),
+
+ SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
+ CS42L73_HLADVOL, CS42L73_HLBDVOL,
+ 0, 0x34, 0xE4, hl_tlv),
+
+ SOC_SINGLE_TLV("ADC A Boost Volume",
+ CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
+
+ SOC_SINGLE_TLV("ADC B Boost Volume",
+ CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
+
+ SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
+ CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),
+
+ SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
+ CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),
+
+ SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
+ CS42L73_HPBAVOL, 7, 1, 1),
+
+ SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
+ CS42L73_LOBAVOL, 7, 1, 1),
+ SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
+ SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
+ 1, 1, 1),
+ SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
+ 1),
+ SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
+ 1),
+
+ SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
+ SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
+ SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
+ SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
+
+ SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
+ 0),
+
+ SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
+ 0),
+ SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
+ 0x3F, 0),
+
+
+ SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
+ SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
+ 0),
+
+ SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
+ 1, limiter_tlv),
+
+ SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
+ limiter_tlv),
+
+ SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
+ 0x3F, 0),
+ SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
+ 0x3F, 0),
+ SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
+ SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
+ 6, 1, 0),
+ SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
+ 7, 1, limiter_tlv),
+
+ SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
+ limiter_tlv),
+
+ SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
+ 0x3F, 0),
+ SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
+ 0x3F, 0),
+ SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
+ SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
+ 7, 1, limiter_tlv),
+
+ SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
+ limiter_tlv),
+
+ SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
+ SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
+ SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
+ SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
+ limiter_tlv),
+ SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
+ limiter_tlv),
+
+ SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
+ SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
+ /*
+ NG Threshold depends on NG_BOOTSAB, which selects
+ between two threshold scales in decibels.
+ Set linear values for now ..
+ */
+ SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
+ SOC_ENUM("NG Delay", ng_delay_enum),
+
+ SOC_DOUBLE_R_TLV("XSP-IP Volume",
+ CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("XSP-XSP Volume",
+ CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("XSP-ASP Volume",
+ CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("XSP-VSP Volume",
+ CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
+ attn_tlv),
+
+ SOC_DOUBLE_R_TLV("ASP-IP Volume",
+ CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("ASP-XSP Volume",
+ CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("ASP-ASP Volume",
+ CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("ASP-VSP Volume",
+ CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
+ attn_tlv),
+
+ SOC_DOUBLE_R_TLV("VSP-IP Volume",
+ CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("VSP-XSP Volume",
+ CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("VSP-ASP Volume",
+ CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("VSP-VSP Volume",
+ CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
+ attn_tlv),
+
+ SOC_DOUBLE_R_TLV("HL-IP Volume",
+ CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("HL-XSP Volume",
+ CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("HL-ASP Volume",
+ CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
+ attn_tlv),
+ SOC_DOUBLE_R_TLV("HL-VSP Volume",
+ CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
+ attn_tlv),
+
+ SOC_SINGLE_TLV("SPK-IP Mono Volume",
+ CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("SPK-XSP Mono Volume",
+ CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("SPK-ASP Mono Volume",
+ CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("SPK-VSP Mono Volume",
+ CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),
+
+ SOC_SINGLE_TLV("ESL-IP Mono Volume",
+ CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("ESL-XSP Mono Volume",
+ CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("ESL-ASP Mono Volume",
+ CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
+ SOC_SINGLE_TLV("ESL-VSP Mono Volume",
+ CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),
+
+ SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
+
+ SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
+ SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
+};
+
+static int cs42l73_spklo_spk_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMD:
+ /* 150 ms delay between setting PDN and MCLKDIS */
+ priv->shutdwn_delay = 150;
+ break;
+ default:
+ pr_err("Invalid event = 0x%x\n", event);
+ }
+ return 0;
+}
+
+static int cs42l73_ear_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMD:
+ /* 50 ms delay between setting PDN and MCLKDIS */
+ if (priv->shutdwn_delay < 50)
+ priv->shutdwn_delay = 50;
+ break;
+ default:
+ pr_err("Invalid event = 0x%x\n", event);
+ }
+ return 0;
+}
+
+
+static int cs42l73_hp_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMD:
+ /* 30 ms delay between setting PDN and MCLKDIS */
+ if (priv->shutdwn_delay < 30)
+ priv->shutdwn_delay = 30;
+ break;
+ default:
+ pr_err("Invalid event = 0x%x\n", event);
+ }
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("DMICA"),
+ SND_SOC_DAPM_INPUT("DMICB"),
+ SND_SOC_DAPM_INPUT("LINEINA"),
+ SND_SOC_DAPM_INPUT("LINEINB"),
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
+
+ SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL, 0,
+ CS42L73_PWRCTL2, 1, 1),
+ SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL, 0,
+ CS42L73_PWRCTL2, 1, 1),
+ SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL, 0,
+ CS42L73_PWRCTL2, 3, 1),
+ SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL, 0,
+ CS42L73_PWRCTL2, 3, 1),
+ SND_SOC_DAPM_AIF_OUT("VSPINOUT", NULL, 0,
+ CS42L73_PWRCTL2, 4, 1),
+
+ SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
+ SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
+
+ SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
+ SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
+ SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
+ SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
+
+ SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
+ 0, 0, input_left_mixer,
+ ARRAY_SIZE(input_left_mixer)),
+
+ SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
+ 0, 0, input_right_mixer,
+ ARRAY_SIZE(input_right_mixer)),
+
+ SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("VSP Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
+ CS42L73_PWRCTL2, 0, 1),
+ SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
+ CS42L73_PWRCTL2, 0, 1),
+ SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
+ CS42L73_PWRCTL2, 0, 1),
+
+ SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
+ CS42L73_PWRCTL2, 2, 1),
+ SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
+ CS42L73_PWRCTL2, 2, 1),
+ SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
+ CS42L73_PWRCTL2, 2, 1),
+
+ SND_SOC_DAPM_AIF_IN("VSPINOUT", NULL, 0,
+ CS42L73_PWRCTL2, 4, 1),
+
+ SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
+ 0, 0, &esl_xsp_mixer),
+
+ SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
+ 0, 0, &esl_asp_mixer),
+
+ SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
+ 0, 0, &spk_asp_mixer),
+
+ SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
+ 0, 0, &spk_xsp_mixer),
+
+ SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_SWITCH_E("HP Amp", CS42L73_PWRCTL3, 0, 1,
+ &hp_amp_ctl, cs42l73_hp_amp_event,
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
+ &lo_amp_ctl),
+ SND_SOC_DAPM_SWITCH_E("SPK Amp", CS42L73_PWRCTL3, 2, 1,
+ &spk_amp_ctl, cs42l73_spklo_spk_amp_event,
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SWITCH_E("EAR Amp", CS42L73_PWRCTL3, 3, 1,
+ &ear_amp_ctl, cs42l73_ear_amp_event,
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SWITCH_E("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
+ &spklo_amp_ctl, cs42l73_spklo_spk_amp_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_OUTPUT("HPOUTA"),
+ SND_SOC_DAPM_OUTPUT("HPOUTB"),
+ SND_SOC_DAPM_OUTPUT("LINEOUTA"),
+ SND_SOC_DAPM_OUTPUT("LINEOUTB"),
+ SND_SOC_DAPM_OUTPUT("EAROUT"),
+ SND_SOC_DAPM_OUTPUT("SPKOUT"),
+ SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
+};
+
+static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
+
+ /* SPKLO EARSPK Paths */
+ {"EAROUT", NULL, "EAR Amp"},
+ {"SPKLINEOUT", NULL, "SPKLO Amp"},
+
+ {"EAR Amp", "Switch", "ESL DAC"},
+ {"SPKLO Amp", "Switch", "ESL DAC"},
+
+ {"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
+ {"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
+ {"ESL DAC", "ESL-VSP Mono Volume", "VSPINOUT"},
+ /* Loopback */
+ {"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
+ {"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
+
+ {"ESL Mixer", NULL, "ESL-ASP Mux"},
+ {"ESL Mixer", NULL, "ESL-XSP Mux"},
+
+ {"ESL-ASP Mux", "Left", "ASPINL"},
+ {"ESL-ASP Mux", "Right", "ASPINR"},
+ {"ESL-ASP Mux", "Mono Mix", "ASPINM"},
+
+ {"ESL-XSP Mux", "Left", "XSPINL"},
+ {"ESL-XSP Mux", "Right", "XSPINR"},
+ {"ESL-XSP Mux", "Mono Mix", "XSPINM"},
+
+ /* Speakerphone Paths */
+ {"SPKOUT", NULL, "SPK Amp"},
+ {"SPK Amp", "Switch", "SPK DAC"},
+
+ {"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
+ {"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
+ {"SPK DAC", "SPK-VSP Mono Volume", "VSPINOUT"},
+ /* Loopback */
+ {"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
+ {"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
+
+ {"SPK Mixer", NULL, "SPK-ASP Mux"},
+ {"SPK Mixer", NULL, "SPK-XSP Mux"},
+
+ {"SPK-ASP Mux", "Left", "ASPINL"},
+ {"SPK-ASP Mux", "Mono Mix", "ASPINM"},
+ {"SPK-ASP Mux", "Right", "ASPINR"},
+
+ {"SPK-XSP Mux", "Left", "XSPINL"},
+ {"SPK-XSP Mux", "Mono Mix", "XSPINM"},
+ {"SPK-XSP Mux", "Right", "XSPINR"},
+
+ /* HP LineOUT Paths */
+ {"HPOUTA", NULL, "HP Amp"},
+ {"HPOUTB", NULL, "HP Amp"},
+ {"LINEOUTA", NULL, "LO Amp"},
+ {"LINEOUTB", NULL, "LO Amp"},
+
+ {"HP Amp", "Switch", "HL Left DAC"},
+ {"HP Amp", "Switch", "HL Right DAC"},
+ {"LO Amp", "Switch", "HL Left DAC"},
+ {"LO Amp", "Switch", "HL Right DAC"},
+
+ {"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
+ {"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
+ {"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
+ {"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
+ {"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
+ {"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
+ /* Loopback */
+ {"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
+ {"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
+ {"HL Left Mixer", NULL, "Input Left Capture"},
+ {"HL Right Mixer", NULL, "Input Right Capture"},
+
+ {"HL Left Mixer", NULL, "ASPINL"},
+ {"HL Right Mixer", NULL, "ASPINR"},
+ {"HL Left Mixer", NULL, "XSPINL"},
+ {"HL Right Mixer", NULL, "XSPINR"},
+ {"HL Left Mixer", NULL, "VSPINOUT"},
+ {"HL Right Mixer", NULL, "VSPINOUT"},
+
+ {"ASPINL", NULL, "ASP Playback"},
+ {"ASPINM", NULL, "ASP Playback"},
+ {"ASPINR", NULL, "ASP Playback"},
+ {"XSPINL", NULL, "XSP Playback"},
+ {"XSPINM", NULL, "XSP Playback"},
+ {"XSPINR", NULL, "XSP Playback"},
+ {"VSPINOUT", NULL, "VSP Playback"},
+
+ /* Capture Paths */
+ {"MIC1", NULL, "MIC1 Bias"},
+ {"PGA Left Mux", "Mic 1", "MIC1"},
+ {"MIC2", NULL, "MIC2 Bias"},
+ {"PGA Right Mux", "Mic 2", "MIC2"},
+
+ {"PGA Left Mux", "Line A", "LINEINA"},
+ {"PGA Right Mux", "Line B", "LINEINB"},
+
+ {"PGA Left", NULL, "PGA Left Mux"},
+ {"PGA Right", NULL, "PGA Right Mux"},
+
+ {"ADC Left", NULL, "PGA Left"},
+ {"ADC Right", NULL, "PGA Right"},
+ {"DMIC Left", NULL, "DMICA"},
+ {"DMIC Right", NULL, "DMICB"},
+
+ {"Input Left Capture", "ADC Left Input", "ADC Left"},
+ {"Input Right Capture", "ADC Right Input", "ADC Right"},
+ {"Input Left Capture", "DMIC Left Input", "DMIC Left"},
+ {"Input Right Capture", "DMIC Right Input", "DMIC Right"},
+
+ /* Audio Capture */
+ {"ASPL Output Mixer", NULL, "Input Left Capture"},
+ {"ASPR Output Mixer", NULL, "Input Right Capture"},
+
+ {"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
+ {"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
+
+ /* Auxillary Capture */
+ {"XSPL Output Mixer", NULL, "Input Left Capture"},
+ {"XSPR Output Mixer", NULL, "Input Right Capture"},
+
+ {"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
+ {"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
+
+ {"XSPOUTL", NULL, "XSPL Output Mixer"},
+ {"XSPOUTR", NULL, "XSPR Output Mixer"},
+
+ /* Voice Capture */
+ {"VSP Output Mixer", NULL, "Input Left Capture"},
+ {"VSP Output Mixer", NULL, "Input Right Capture"},
+
+ {"VSPINOUT", "VSP-IP Volume", "VSP Output Mixer"},
+
+ {"VSPINOUT", NULL, "VSP Output Mixer"},
+
+ {"ASP Capture", NULL, "ASPOUTL"},
+ {"ASP Capture", NULL, "ASPOUTR"},
+ {"XSP Capture", NULL, "XSPOUTL"},
+ {"XSP Capture", NULL, "XSPOUTR"},
+ {"VSP Capture", NULL, "VSPINOUT"},
+};
+
+struct cs42l73_mclk_div {
+ u32 mclk;
+ u32 srate;
+ u8 mmcc;
+};
+
+static struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
+ /* MCLK, Sample Rate, xMMCC[5:0] */
+ {5644800, 11025, 0x30},
+ {5644800, 22050, 0x20},
+ {5644800, 44100, 0x10},
+
+ {6000000, 8000, 0x39},
+ {6000000, 11025, 0x33},
+ {6000000, 12000, 0x31},
+ {6000000, 16000, 0x29},
+ {6000000, 22050, 0x23},
+ {6000000, 24000, 0x21},
+ {6000000, 32000, 0x19},
+ {6000000, 44100, 0x13},
+ {6000000, 48000, 0x11},
+
+ {6144000, 8000, 0x38},
+ {6144000, 12000, 0x30},
+ {6144000, 16000, 0x28},
+ {6144000, 24000, 0x20},
+ {6144000, 32000, 0x18},
+ {6144000, 48000, 0x10},
+
+ {6500000, 8000, 0x3C},
+ {6500000, 11025, 0x35},
+ {6500000, 12000, 0x34},
+ {6500000, 16000, 0x2C},
+ {6500000, 22050, 0x25},
+ {6500000, 24000, 0x24},
+ {6500000, 32000, 0x1C},
+ {6500000, 44100, 0x15},
+ {6500000, 48000, 0x14},
+
+ {6400000, 8000, 0x3E},
+ {6400000, 11025, 0x37},
+ {6400000, 12000, 0x36},
+ {6400000, 16000, 0x2E},
+ {6400000, 22050, 0x27},
+ {6400000, 24000, 0x26},
+ {6400000, 32000, 0x1E},
+ {6400000, 44100, 0x17},
+ {6400000, 48000, 0x16},
+};
+
+struct cs42l73_mclkx_div {
+ u32 mclkx;
+ u8 ratio;
+ u8 mclkdiv;
+};
+
+static struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
+ {5644800, 1, 0}, /* 5644800 */
+ {6000000, 1, 0}, /* 6000000 */
+ {6144000, 1, 0}, /* 6144000 */
+ {11289600, 2, 2}, /* 5644800 */
+ {12288000, 2, 2}, /* 6144000 */
+ {12000000, 2, 2}, /* 6000000 */
+ {13000000, 2, 2}, /* 6500000 */
+ {19200000, 3, 3}, /* 6400000 */
+ {24000000, 4, 4}, /* 6000000 */
+ {26000000, 4, 4}, /* 6500000 */
+ {38400000, 6, 5} /* 6400000 */
+};
+
+static int cs42l73_get_mclkx_coeff(int mclkx)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
+ if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
+ return i;
+ }
+ return -EINVAL;
+}
+
+static int cs42l73_get_mclk_coeff(int mclk, int srate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
+ if (cs42l73_mclk_coeffs[i].mclk == mclk &&
+ cs42l73_mclk_coeffs[i].srate == srate)
+ return i;
+ }
+ return -EINVAL;
+
+}
+
+static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+
+ int mclkx_coeff;
+ u32 mclk = 0;
+ u8 dmmcc = 0;
+
+ /* MCLKX -> MCLK */
+ mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
+ if (mclkx_coeff < 0)
+ return mclkx_coeff;
+
+ mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
+ cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
+
+ dev_dbg(codec->dev, "MCLK%u %u <-> internal MCLK %u\n",
+ priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
+ mclk);
+
+ dmmcc = (priv->mclksel << 4) |
+ (cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
+
+ snd_soc_write(codec, CS42L73_DMMCC, dmmcc);
+
+ priv->sysclk = mclkx_coeff;
+ priv->mclk = mclk;
+
+ return 0;
+}
+
+static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+
+ switch (clk_id) {
+ case CS42L73_CLKID_MCLK1:
+ break;
+ case CS42L73_CLKID_MCLK2:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((cs42l73_set_mclk(dai, freq)) < 0) {
+ dev_err(codec->dev, "Unable to set MCLK for dai %s\n",
+ dai->name);
+ return -EINVAL;
+ }
+
+ priv->mclksel = clk_id;
+
+ return 0;
+}
+
+static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+ u8 id = codec_dai->id;
+ unsigned int inv, format;
+ u8 spc, mmcc;
+
+ spc = snd_soc_read(codec, CS42L73_SPC(id));
+ mmcc = snd_soc_read(codec, CS42L73_MMCC(id));
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ mmcc |= CS42L73_MS_MASTER;
+ break;
+
+ case SND_SOC_DAIFMT_CBS_CFS:
+ mmcc &= ~CS42L73_MS_MASTER;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+ inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
+
+ switch (format) {
+ case SND_SOC_DAIFMT_I2S:
+ spc &= ~CS42L73_SPDIF_PCM;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ if (mmcc & CS42L73_MS_MASTER) {
+ dev_err(codec->dev,
+ "PCM format in slave mode only\n");
+ return -EINVAL;
+ }
+ if (id == CS42L73_ASP) {
+ dev_err(codec->dev,
+ "PCM format is not supported on ASP port\n");
+ return -EINVAL;
+ }
+ spc |= CS42L73_SPDIF_PCM;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (spc & CS42L73_SPDIF_PCM) {
+ /* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
+ spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
+ switch (format) {
+ case SND_SOC_DAIFMT_DSP_B:
+ if (inv == SND_SOC_DAIFMT_IB_IF)
+ spc |= CS42L73_PCM_MODE0;
+ if (inv == SND_SOC_DAIFMT_IB_NF)
+ spc |= CS42L73_PCM_MODE1;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ if (inv == SND_SOC_DAIFMT_IB_IF)
+ spc |= CS42L73_PCM_MODE1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ priv->config[id].spc = spc;
+ priv->config[id].mmcc = mmcc;
+
+ return 0;
+}
+
+static const unsigned int cs42l73_asrc_rates[] = {
+ 8000, 11025, 12000, 16000, 22050,
+ 24000, 32000, 44100, 48000
+};
+
+static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
+ if (cs42l73_asrc_rates[i] == rate)
+ return i + 1;
+ }
+ return 0; /* 0 = Don't know */
+}
+
+static void cs42l73_update_asrc(struct snd_soc_codec *codec, int id, int srate)
+{
+ u8 spfs = 0;
+
+ if (srate > 0)
+ spfs = cs42l73_get_xspfs_coeff(srate);
+
+ switch (id) {
+ case CS42L73_XSP:
+ snd_soc_update_bits(codec, CS42L73_VXSPFS, 0x0f, spfs);
+ break;
+ case CS42L73_ASP:
+ snd_soc_update_bits(codec, CS42L73_ASPC, 0x3c, spfs << 2);
+ break;
+ case CS42L73_VSP:
+ snd_soc_update_bits(codec, CS42L73_VXSPFS, 0xf0, spfs << 4);
+ break;
+ default:
+ break;
+ }
+}
+
+static int cs42l73_pcm_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 cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
+ int id = dai->id;
+ int mclk_coeff;
+ int srate = params_rate(params);
+
+ if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
+ /* CS42L73 Master */
+ /* MCLK -> srate */
+ mclk_coeff =
+ cs42l73_get_mclk_coeff(priv->mclk, srate);
+
+ if (mclk_coeff < 0)
+ return -EINVAL;
+
+ dev_dbg(codec->dev,
+ "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
+ id, priv->mclk, srate,
+ cs42l73_mclk_coeffs[mclk_coeff].mmcc);
+
+ priv->config[id].mmcc &= 0xC0;
+ priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
+ priv->config[id].spc &= 0xFC;
+ /* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
+ if (priv->mclk >= 6400000)
+ priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
+ else
+ priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
+ } else {
+ /* CS42L73 Slave */
+ priv->config[id].spc &= 0xFC;
+ priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
+ }
+ /* Update ASRCs */
+ priv->config[id].srate = srate;
+
+ snd_soc_write(codec, CS42L73_SPC(id), priv->config[id].spc);
+ snd_soc_write(codec, CS42L73_MMCC(id), priv->config[id].mmcc);
+
+ cs42l73_update_asrc(codec, id, srate);
+
+ return 0;
+}
+
+static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ snd_soc_update_bits(codec, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 0);
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ regcache_cache_only(cs42l73->regmap, false);
+ regcache_sync(cs42l73->regmap);
+ }
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 1);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ snd_soc_update_bits(codec, CS42L73_PWRCTL1, CS42L73_PDN, 1);
+ if (cs42l73->shutdwn_delay > 0) {
+ mdelay(cs42l73->shutdwn_delay);
+ cs42l73->shutdwn_delay = 0;
+ } else {
+ mdelay(15); /* Min amount of time requred to power
+ * down.
+ */
+ }
+ snd_soc_update_bits(codec, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
+ break;
+ }
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int id = dai->id;
+
+ return snd_soc_update_bits(codec, CS42L73_SPC(id),
+ 0x7F, tristate << 7);
+}
+
+static const struct snd_pcm_hw_constraint_list constraints_12_24 = {
+ .count = ARRAY_SIZE(cs42l73_asrc_rates),
+ .list = cs42l73_asrc_rates,
+};
+
+static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &constraints_12_24);
+ return 0;
+}
+
+
+#define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static const struct snd_soc_dai_ops cs42l73_ops = {
+ .startup = cs42l73_pcm_startup,
+ .hw_params = cs42l73_pcm_hw_params,
+ .set_fmt = cs42l73_set_dai_fmt,
+ .set_sysclk = cs42l73_set_sysclk,
+ .set_tristate = cs42l73_set_tristate,
+};
+
+static struct snd_soc_dai_driver cs42l73_dai[] = {
+ {
+ .name = "cs42l73-xsp",
+ .id = CS42L73_XSP,
+ .playback = {
+ .stream_name = "XSP Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .capture = {
+ .stream_name = "XSP Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .ops = &cs42l73_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "cs42l73-asp",
+ .id = CS42L73_ASP,
+ .playback = {
+ .stream_name = "ASP Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .capture = {
+ .stream_name = "ASP Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .ops = &cs42l73_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "cs42l73-vsp",
+ .id = CS42L73_VSP,
+ .playback = {
+ .stream_name = "VSP Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .capture = {
+ .stream_name = "VSP Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS42L73_FORMATS,
+ },
+ .ops = &cs42l73_ops,
+ .symmetric_rates = 1,
+ }
+};
+
+static int cs42l73_probe(struct snd_soc_codec *codec)
+{
+ struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
+
+ /* Set Charge Pump Frequency */
+ if (cs42l73->pdata.chgfreq)
+ snd_soc_update_bits(codec, CS42L73_CPFCHC,
+ CS42L73_CHARGEPUMP_MASK,
+ cs42l73->pdata.chgfreq << 4);
+
+ /* MCLK1 as master clk */
+ cs42l73->mclksel = CS42L73_CLKID_MCLK1;
+ cs42l73->mclk = 0;
+
+ return 0;
+}
+
+static const struct snd_soc_codec_driver soc_codec_dev_cs42l73 = {
+ .probe = cs42l73_probe,
+ .set_bias_level = cs42l73_set_bias_level,
+ .suspend_bias_off = true,
+
+ .dapm_widgets = cs42l73_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs42l73_dapm_widgets),
+ .dapm_routes = cs42l73_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cs42l73_audio_map),
+
+ .controls = cs42l73_snd_controls,
+ .num_controls = ARRAY_SIZE(cs42l73_snd_controls),
+};
+
+static const struct regmap_config cs42l73_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = CS42L73_MAX_REGISTER,
+ .reg_defaults = cs42l73_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
+ .volatile_reg = cs42l73_volatile_register,
+ .readable_reg = cs42l73_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
+ const struct i2c_device_id *id)
+{
+ struct cs42l73_private *cs42l73;
+ struct cs42l73_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
+ int ret;
+ unsigned int devid = 0;
+ unsigned int reg;
+ u32 val32;
+
+ cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l73_private),
+ GFP_KERNEL);
+ if (!cs42l73)
+ return -ENOMEM;
+
+ cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
+ if (IS_ERR(cs42l73->regmap)) {
+ ret = PTR_ERR(cs42l73->regmap);
+ dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
+
+ if (pdata) {
+ cs42l73->pdata = *pdata;
+ } else {
+ pdata = devm_kzalloc(&i2c_client->dev,
+ sizeof(struct cs42l73_platform_data),
+ GFP_KERNEL);
+ if (!pdata) {
+ dev_err(&i2c_client->dev, "could not allocate pdata\n");
+ return -ENOMEM;
+ }
+ if (i2c_client->dev.of_node) {
+ if (of_property_read_u32(i2c_client->dev.of_node,
+ "chgfreq", &val32) >= 0)
+ pdata->chgfreq = val32;
+ }
+ pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node,
+ "reset-gpio", 0);
+ cs42l73->pdata = *pdata;
+ }
+
+ i2c_set_clientdata(i2c_client, cs42l73);
+
+ if (cs42l73->pdata.reset_gpio) {
+ ret = devm_gpio_request_one(&i2c_client->dev,
+ cs42l73->pdata.reset_gpio,
+ GPIOF_OUT_INIT_HIGH,
+ "CS42L73 /RST");
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n",
+ cs42l73->pdata.reset_gpio, ret);
+ return ret;
+ }
+ gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
+ gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
+ }
+
+ regcache_cache_bypass(cs42l73->regmap, true);
+
+ /* initialize codec */
+ ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, &reg);
+ devid = (reg & 0xFF) << 12;
+
+ ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_CD, &reg);
+ devid |= (reg & 0xFF) << 4;
+
+ ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, &reg);
+ devid |= (reg & 0xF0) >> 4;
+
+ if (devid != CS42L73_DEVID) {
+ ret = -ENODEV;
+ dev_err(&i2c_client->dev,
+ "CS42L73 Device ID (%X). Expected %X\n",
+ devid, CS42L73_DEVID);
+ return ret;
+ }
+
+ ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Get Revision ID failed\n");
+ return ret;;
+ }
+
+ dev_info(&i2c_client->dev,
+ "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
+
+ regcache_cache_bypass(cs42l73->regmap, false);
+
+ ret = snd_soc_register_codec(&i2c_client->dev,
+ &soc_codec_dev_cs42l73, cs42l73_dai,
+ ARRAY_SIZE(cs42l73_dai));
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int cs42l73_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct of_device_id cs42l73_of_match[] = {
+ { .compatible = "cirrus,cs42l73", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, cs42l73_of_match);
+
+static const struct i2c_device_id cs42l73_id[] = {
+ {"cs42l73", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, cs42l73_id);
+
+static struct i2c_driver cs42l73_i2c_driver = {
+ .driver = {
+ .name = "cs42l73",
+ .owner = THIS_MODULE,
+ .of_match_table = cs42l73_of_match,
+ },
+ .id_table = cs42l73_id,
+ .probe = cs42l73_i2c_probe,
+ .remove = cs42l73_i2c_remove,
+
+};
+
+module_i2c_driver(cs42l73_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC CS42L73 driver");
+MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
+MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
+MODULE_LICENSE("GPL");