/* * cs42l73.c -- CS42L73 ALSA Soc Audio driver * * Copyright 2011 Cirrus Logic, Inc. * * Authors: Georgi Vlaev, Nucleus Systems Ltd, * Brian Austin, Cirrus Logic Inc, * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 ... CS42L73_DEVID_E: case CS42L73_REVID ... CS42L73_IM2: return true; default: return false; } } static const DECLARE_TLV_DB_RANGE(hpaloa_tlv, 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 DECLARE_TLV_DB_RANGE(limiter_tlv, 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 const 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 const 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 (snd_soc_codec_get_bias_level(codec) == 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; } 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), CS42L73_SP_3ST, 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, .component_driver = { .controls = cs42l73_snd_controls, .num_controls = ARRAY_SIZE(cs42l73_snd_controls), .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), }, }; 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(*cs42l73), 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(*pdata), GFP_KERNEL); if (!pdata) 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); } /* initialize codec */ ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, ®); devid = (reg & 0xFF) << 12; ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_CD, ®); devid |= (reg & 0xFF) << 4; ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, ®); 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, ®); 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); 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", .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, "); MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, "); MODULE_LICENSE("GPL");