/* * wm8400.c -- WM8400 ALSA Soc Audio driver * * Copyright 2008, 2009 Wolfson Microelectronics PLC. * Author: Mark Brown * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "wm8400.h" /* Fake register for internal state */ #define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1) #define WM8400_INMIXL_PWR 0 #define WM8400_AINLMUX_PWR 1 #define WM8400_INMIXR_PWR 2 #define WM8400_AINRMUX_PWR 3 static struct regulator_bulk_data power[] = { { .supply = "I2S1VDD", }, { .supply = "I2S2VDD", }, { .supply = "DCVDD", }, { .supply = "AVDD", }, { .supply = "FLLVDD", }, { .supply = "HPVDD", }, { .supply = "SPKVDD", }, }; /* codec private data */ struct wm8400_priv { struct snd_soc_codec *codec; struct wm8400 *wm8400; u16 fake_register; unsigned int sysclk; unsigned int pcmclk; struct work_struct work; int fll_in, fll_out; }; static inline unsigned int wm8400_read(struct snd_soc_codec *codec, unsigned int reg) { struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); if (reg == WM8400_INTDRIVBITS) return wm8400->fake_register; else return wm8400_reg_read(wm8400->wm8400, reg); } /* * write to the wm8400 register space */ static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); if (reg == WM8400_INTDRIVBITS) { wm8400->fake_register = value; return 0; } else return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value); } static void wm8400_codec_reset(struct snd_soc_codec *codec) { struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); wm8400_reset_codec_reg_cache(wm8400->wm8400); } static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0); static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0); static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0); static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0); static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0); static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0); static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0); static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0); static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; int reg = mc->reg; int ret; u16 val; ret = snd_soc_put_volsw(kcontrol, ucontrol); if (ret < 0) return ret; /* now hit the volume update bits (always bit 8) */ val = wm8400_read(codec, reg); return wm8400_write(codec, reg, val | 0x0100); } #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw, \ .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } static const char *wm8400_digital_sidetone[] = {"None", "Left ADC", "Right ADC", "Reserved"}; static const struct soc_enum wm8400_left_digital_sidetone_enum = SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone); static const struct soc_enum wm8400_right_digital_sidetone_enum = SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone); static const char *wm8400_adcmode[] = {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; static const struct soc_enum wm8400_right_adcmode_enum = SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode); static const struct snd_kcontrol_new wm8400_snd_controls[] = { /* INMIXL */ SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT, 1, 0), SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT, 1, 0), /* INMIXR */ SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT, 1, 0), SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT, 1, 0), /* LOMIX */ SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3, WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5, WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5, WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5, WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), /* ROMIX */ SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4, WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6, WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6, WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv), SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6, WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv), /* LOUT */ WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv), SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0), /* ROUT */ WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv), SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0), /* LOPGA */ WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME, WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv), SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME, WM8400_LOPGAZC_SHIFT, 1, 0), /* ROPGA */ WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME, WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv), SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME, WM8400_ROPGAZC_SHIFT, 1, 0), SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_LONMUTE_SHIFT, 1, 0), SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_LOPMUTE_SHIFT, 1, 0), SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_LOATTN_SHIFT, 1, 0), SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_RONMUTE_SHIFT, 1, 0), SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_ROPMUTE_SHIFT, 1, 0), SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, WM8400_ROATTN_SHIFT, 1, 0), SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME, WM8400_OUT3MUTE_SHIFT, 1, 0), SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME, WM8400_OUT3ATTN_SHIFT, 1, 0), SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME, WM8400_OUT4MUTE_SHIFT, 1, 0), SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME, WM8400_OUT4ATTN_SHIFT, 1, 0), SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1, WM8400_CDMODE_SHIFT, 1, 0), SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME, WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0), SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3, WM8400_DCGAIN_SHIFT, 6, 0), SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3, WM8400_ACGAIN_SHIFT, 6, 0), WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT, 127, 0, out_dac_tlv), WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT, 127, 0, out_dac_tlv), SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum), SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum), SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL, WM8400_ADC_HPF_ENA_SHIFT, 1, 0), SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum), WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", WM8400_LEFT_ADC_DIGITAL_VOLUME, WM8400_ADCL_VOL_SHIFT, WM8400_ADCL_VOL_MASK, 0, in_adc_tlv), WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", WM8400_RIGHT_ADC_DIGITAL_VOLUME, WM8400_ADCR_VOL_SHIFT, WM8400_ADCR_VOL_MASK, 0, in_adc_tlv), WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, WM8400_LIN12VOL_SHIFT, WM8400_LIN12VOL_MASK, 0, in_pga_tlv), SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, WM8400_LI12ZC_SHIFT, 1, 0), SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, WM8400_LI12MUTE_SHIFT, 1, 0), WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, WM8400_LIN34VOL_SHIFT, WM8400_LIN34VOL_MASK, 0, in_pga_tlv), SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, WM8400_LI34ZC_SHIFT, 1, 0), SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, WM8400_LI34MUTE_SHIFT, 1, 0), WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, WM8400_RIN12VOL_SHIFT, WM8400_RIN12VOL_MASK, 0, in_pga_tlv), SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, WM8400_RI12ZC_SHIFT, 1, 0), SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, WM8400_RI12MUTE_SHIFT, 1, 0), WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, WM8400_RIN34VOL_SHIFT, WM8400_RIN34VOL_MASK, 0, in_pga_tlv), SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, WM8400_RI34ZC_SHIFT, 1, 0), SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, WM8400_RI34MUTE_SHIFT, 1, 0), }; /* add non dapm controls */ static int wm8400_add_controls(struct snd_soc_codec *codec) { return snd_soc_add_controls(codec, wm8400_snd_controls, ARRAY_SIZE(wm8400_snd_controls)); } /* * _DAPM_ Controls */ static int inmixer_event (struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { u16 reg, fakepower; reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2); fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS); if (fakepower & ((1 << WM8400_INMIXL_PWR) | (1 << WM8400_AINLMUX_PWR))) { reg |= WM8400_AINL_ENA; } else { reg &= ~WM8400_AINL_ENA; } if (fakepower & ((1 << WM8400_INMIXR_PWR) | (1 << WM8400_AINRMUX_PWR))) { reg |= WM8400_AINR_ENA; } else { reg &= ~WM8400_AINR_ENA; } wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg); return 0; } static int outmixer_event (struct snd_soc_dapm_widget *w, struct snd_kcontrol * kcontrol, int event) { struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; u32 reg_shift = mc->shift; int ret = 0; u16 reg; switch (reg_shift) { case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) : reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1); if (reg & WM8400_LDLO) { printk(KERN_WARNING "Cannot set as Output Mixer 1 LDLO Set\n"); ret = -1; } break; case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8): reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2); if (reg & WM8400_RDRO) { printk(KERN_WARNING "Cannot set as Output Mixer 2 RDRO Set\n"); ret = -1; } break; case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8): reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER); if (reg & WM8400_LDSPK) { printk(KERN_WARNING "Cannot set as Speaker Mixer LDSPK Set\n"); ret = -1; } break; case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8): reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER); if (reg & WM8400_RDSPK) { printk(KERN_WARNING "Cannot set as Speaker Mixer RDSPK Set\n"); ret = -1; } break; } return ret; } /* INMIX dB values */ static const unsigned int in_mix_tlv[] = { TLV_DB_RANGE_HEAD(1), 0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0), }; /* Left In PGA Connections */ static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = { SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0), SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0), }; static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = { SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0), SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0), }; /* Right In PGA Connections */ static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = { SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0), SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0), }; static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = { SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0), SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0), }; /* INMIXL */ static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = { SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3, WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv), SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT, 7, 0, in_mix_tlv), SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, 1, 0), SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, 1, 0), }; /* INMIXR */ static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = { SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4, WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv), SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT, 7, 0, in_mix_tlv), SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, 1, 0), SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, 1, 0), }; /* AINLMUX */ static const char *wm8400_ainlmux[] = {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; static const struct soc_enum wm8400_ainlmux_enum = SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT, ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux); static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls = SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum); /* DIFFINL */ /* AINRMUX */ static const char *wm8400_ainrmux[] = {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; static const struct soc_enum wm8400_ainrmux_enum = SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT, ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux); static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls = SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum); /* RXVOICE */ static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = { SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT, WM8400_LR4BVOL_MASK, 0, in_mix_tlv), SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT, WM8400_RL4BVOL_MASK, 0, in_mix_tlv), }; /* LOMIX */ static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = { SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LRBLO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LLBLO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LRI3LO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LLI3LO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LR12LO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, WM8400_LL12LO_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1, WM8400_LDLO_SHIFT, 1, 0), }; /* ROMIX */ static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = { SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RLBRO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RRBRO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RLI3RO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RRI3RO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RL12RO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, WM8400_RR12RO_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2, WM8400_RDRO_SHIFT, 1, 0), }; /* LONMIX */ static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = { SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, WM8400_LLOPGALON_SHIFT, 1, 0), SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1, WM8400_LROPGALON_SHIFT, 1, 0), SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1, WM8400_LOPLON_SHIFT, 1, 0), }; /* LOPMIX */ static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = { SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1, WM8400_LR12LOP_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1, WM8400_LL12LOP_SHIFT, 1, 0), SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, WM8400_LLOPGALOP_SHIFT, 1, 0), }; /* RONMIX */ static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = { SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, WM8400_RROPGARON_SHIFT, 1, 0), SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2, WM8400_RLOPGARON_SHIFT, 1, 0), SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2, WM8400_ROPRON_SHIFT, 1, 0), }; /* ROPMIX */ static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = { SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2, WM8400_RL12ROP_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2, WM8400_RR12ROP_SHIFT, 1, 0), SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, WM8400_RROPGAROP_SHIFT, 1, 0), }; /* OUT3MIX */ static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = { SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, WM8400_LI4O3_SHIFT, 1, 0), SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER, WM8400_LPGAO3_SHIFT, 1, 0), }; /* OUT4MIX */ static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = { SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER, WM8400_RPGAO4_SHIFT, 1, 0), SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, WM8400_RI4O4_SHIFT, 1, 0), }; /* SPKMIX */ static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = { SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER, WM8400_LI2SPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER, WM8400_LB2SPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER, WM8400_LOPGASPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER, WM8400_LDSPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER, WM8400_RDSPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER, WM8400_ROPGASPK_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER, WM8400_RL12ROP_SHIFT, 1, 0), SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER, WM8400_RI2SPK_SHIFT, 1, 0), }; static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = { /* Input Side */ /* Input Lines */ SND_SOC_DAPM_INPUT("LIN1"), SND_SOC_DAPM_INPUT("LIN2"), SND_SOC_DAPM_INPUT("LIN3"), SND_SOC_DAPM_INPUT("LIN4/RXN"), SND_SOC_DAPM_INPUT("RIN3"), SND_SOC_DAPM_INPUT("RIN4/RXP"), SND_SOC_DAPM_INPUT("RIN1"), SND_SOC_DAPM_INPUT("RIN2"), SND_SOC_DAPM_INPUT("Internal ADC Source"), /* DACs */ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2, WM8400_ADCL_ENA_SHIFT, 0), SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2, WM8400_ADCR_ENA_SHIFT, 0), /* Input PGAs */ SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2, WM8400_LIN12_ENA_SHIFT, 0, &wm8400_dapm_lin12_pga_controls[0], ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)), SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2, WM8400_LIN34_ENA_SHIFT, 0, &wm8400_dapm_lin34_pga_controls[0], ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)), SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2, WM8400_RIN12_ENA_SHIFT, 0, &wm8400_dapm_rin12_pga_controls[0], ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)), SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2, WM8400_RIN34_ENA_SHIFT, 0, &wm8400_dapm_rin34_pga_controls[0], ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)), /* INMIXL */ SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0, &wm8400_dapm_inmixl_controls[0], ARRAY_SIZE(wm8400_dapm_inmixl_controls), inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* AINLMUX */ SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0, &wm8400_dapm_ainlmux_controls, inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* INMIXR */ SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0, &wm8400_dapm_inmixr_controls[0], ARRAY_SIZE(wm8400_dapm_inmixr_controls), inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* AINRMUX */ SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0, &wm8400_dapm_ainrmux_controls, inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* Output Side */ /* DACs */ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3, WM8400_DACL_ENA_SHIFT, 0), SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3, WM8400_DACR_ENA_SHIFT, 0), /* LOMIX */ SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOMIX_ENA_SHIFT, 0, &wm8400_dapm_lomix_controls[0], ARRAY_SIZE(wm8400_dapm_lomix_controls), outmixer_event, SND_SOC_DAPM_PRE_REG), /* LONMIX */ SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT, 0, &wm8400_dapm_lonmix_controls[0], ARRAY_SIZE(wm8400_dapm_lonmix_controls)), /* LOPMIX */ SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT, 0, &wm8400_dapm_lopmix_controls[0], ARRAY_SIZE(wm8400_dapm_lopmix_controls)), /* OUT3MIX */ SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT, 0, &wm8400_dapm_out3mix_controls[0], ARRAY_SIZE(wm8400_dapm_out3mix_controls)), /* SPKMIX */ SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT, 0, &wm8400_dapm_spkmix_controls[0], ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event, SND_SOC_DAPM_PRE_REG), /* OUT4MIX */ SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT, 0, &wm8400_dapm_out4mix_controls[0], ARRAY_SIZE(wm8400_dapm_out4mix_controls)), /* ROPMIX */ SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT, 0, &wm8400_dapm_ropmix_controls[0], ARRAY_SIZE(wm8400_dapm_ropmix_controls)), /* RONMIX */ SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT, 0, &wm8400_dapm_ronmix_controls[0], ARRAY_SIZE(wm8400_dapm_ronmix_controls)), /* ROMIX */ SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROMIX_ENA_SHIFT, 0, &wm8400_dapm_romix_controls[0], ARRAY_SIZE(wm8400_dapm_romix_controls), outmixer_event, SND_SOC_DAPM_PRE_REG), /* LOUT PGA */ SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT, 0, NULL, 0), /* ROUT PGA */ SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT, 0, NULL, 0), /* LOPGA */ SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0, NULL, 0), /* ROPGA */ SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0, NULL, 0), /* MICBIAS */ SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1, WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("LON"), SND_SOC_DAPM_OUTPUT("LOP"), SND_SOC_DAPM_OUTPUT("OUT3"), SND_SOC_DAPM_OUTPUT("LOUT"), SND_SOC_DAPM_OUTPUT("SPKN"), SND_SOC_DAPM_OUTPUT("SPKP"), SND_SOC_DAPM_OUTPUT("ROUT"), SND_SOC_DAPM_OUTPUT("OUT4"), SND_SOC_DAPM_OUTPUT("ROP"), SND_SOC_DAPM_OUTPUT("RON"), SND_SOC_DAPM_OUTPUT("Internal DAC Sink"), }; static const struct snd_soc_dapm_route audio_map[] = { /* Make DACs turn on when playing even if not mixed into any outputs */ {"Internal DAC Sink", NULL, "Left DAC"}, {"Internal DAC Sink", NULL, "Right DAC"}, /* Make ADCs turn on when recording * even if not mixed from any inputs */ {"Left ADC", NULL, "Internal ADC Source"}, {"Right ADC", NULL, "Internal ADC Source"}, /* Input Side */ /* LIN12 PGA */ {"LIN12 PGA", "LIN1 Switch", "LIN1"}, {"LIN12 PGA", "LIN2 Switch", "LIN2"}, /* LIN34 PGA */ {"LIN34 PGA", "LIN3 Switch", "LIN3"}, {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"}, /* INMIXL */ {"INMIXL", "Record Left Volume", "LOMIX"}, {"INMIXL", "LIN2 Volume", "LIN2"}, {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, /* AILNMUX */ {"AILNMUX", "INMIXL Mix", "INMIXL"}, {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"}, {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"}, {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"}, {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"}, /* ADC */ {"Left ADC", NULL, "AILNMUX"}, /* RIN12 PGA */ {"RIN12 PGA", "RIN1 Switch", "RIN1"}, {"RIN12 PGA", "RIN2 Switch", "RIN2"}, /* RIN34 PGA */ {"RIN34 PGA", "RIN3 Switch", "RIN3"}, {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"}, /* INMIXL */ {"INMIXR", "Record Right Volume", "ROMIX"}, {"INMIXR", "RIN2 Volume", "RIN2"}, {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, /* AIRNMUX */ {"AIRNMUX", "INMIXR Mix", "INMIXR"}, {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"}, {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"}, {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"}, {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"}, /* ADC */ {"Right ADC", NULL, "AIRNMUX"}, /* LOMIX */ {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"}, {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"}, {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"}, {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"}, {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"}, /* ROMIX */ {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"}, {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"}, {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"}, {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"}, {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"}, /* SPKMIX */ {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"}, {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"}, {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"}, {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"}, {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"}, {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"}, {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"}, {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"}, /* LONMIX */ {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"}, {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"}, {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"}, /* LOPMIX */ {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"}, {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"}, {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"}, /* OUT3MIX */ {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"}, {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"}, /* OUT4MIX */ {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"}, {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"}, /* RONMIX */ {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"}, {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"}, {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"}, /* ROPMIX */ {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"}, {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"}, {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"}, /* Out Mixer PGAs */ {"LOPGA", NULL, "LOMIX"}, {"ROPGA", NULL, "ROMIX"}, {"LOUT PGA", NULL, "LOMIX"}, {"ROUT PGA", NULL, "ROMIX"}, /* Output Pins */ {"LON", NULL, "LONMIX"}, {"LOP", NULL, "LOPMIX"}, {"OUT3", NULL, "OUT3MIX"}, {"LOUT", NULL, "LOUT PGA"}, {"SPKN", NULL, "SPKMIX"}, {"ROUT", NULL, "ROUT PGA"}, {"OUT4", NULL, "OUT4MIX"}, {"ROP", NULL, "ROPMIX"}, {"RON", NULL, "RONMIX"}, }; static int wm8400_add_widgets(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = &codec->dapm; snd_soc_dapm_new_controls(dapm, wm8400_dapm_widgets, ARRAY_SIZE(wm8400_dapm_widgets)); snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); return 0; } /* * Clock after FLL and dividers */ static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); wm8400->sysclk = freq; return 0; } struct fll_factors { u16 n; u16 k; u16 outdiv; u16 fratio; u16 freq_ref; }; #define FIXED_FLL_SIZE ((1 << 16) * 10) static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors, unsigned int Fref, unsigned int Fout) { u64 Kpart; unsigned int K, Nmod, target; factors->outdiv = 2; while (Fout * factors->outdiv < 90000000 || Fout * factors->outdiv > 100000000) { factors->outdiv *= 2; if (factors->outdiv > 32) { dev_err(wm8400->wm8400->dev, "Unsupported FLL output frequency %uHz\n", Fout); return -EINVAL; } } target = Fout * factors->outdiv; factors->outdiv = factors->outdiv >> 2; if (Fref < 48000) factors->freq_ref = 1; else factors->freq_ref = 0; if (Fref < 1000000) factors->fratio = 9; else factors->fratio = 0; /* Ensure we have a fractional part */ do { if (Fref < 1000000) factors->fratio--; else factors->fratio++; if (factors->fratio < 1 || factors->fratio > 8) { dev_err(wm8400->wm8400->dev, "Unable to calculate FRATIO\n"); return -EINVAL; } factors->n = target / (Fref * factors->fratio); Nmod = target % (Fref * factors->fratio); } while (Nmod == 0); /* Calculate fractional part - scale up so we can round. */ Kpart = FIXED_FLL_SIZE * (long long)Nmod; do_div(Kpart, (Fref * factors->fratio)); K = Kpart & 0xFFFFFFFF; if ((K % 10) >= 5) K += 5; /* Move down to proper range now rounding is done */ factors->k = K / 10; dev_dbg(wm8400->wm8400->dev, "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n", Fref, Fout, factors->n, factors->k, factors->fratio, factors->outdiv); return 0; } static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { struct snd_soc_codec *codec = codec_dai->codec; struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); struct fll_factors factors; int ret; u16 reg; if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out) return 0; if (freq_out) { ret = fll_factors(wm8400, &factors, freq_in, freq_out); if (ret != 0) return ret; } else { /* Bodge GCC 4.4.0 uninitialised variable warning - it * doesn't seem capable of working out that we exit if * freq_out is 0 before any of the uses. */ memset(&factors, 0, sizeof(factors)); } wm8400->fll_out = freq_out; wm8400->fll_in = freq_in; /* We *must* disable the FLL before any changes */ reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2); reg &= ~WM8400_FLL_ENA; wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg); reg = wm8400_read(codec, WM8400_FLL_CONTROL_1); reg &= ~WM8400_FLL_OSC_ENA; wm8400_write(codec, WM8400_FLL_CONTROL_1, reg); if (!freq_out) return 0; reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK); reg |= WM8400_FLL_FRAC | factors.fratio; reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT; wm8400_write(codec, WM8400_FLL_CONTROL_1, reg); wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k); wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n); reg = wm8400_read(codec, WM8400_FLL_CONTROL_4); reg &= ~WM8400_FLL_OUTDIV_MASK; reg |= factors.outdiv; wm8400_write(codec, WM8400_FLL_CONTROL_4, reg); return 0; } /* * Sets ADC and Voice DAC format. */ static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; u16 audio1, audio3; audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1); audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3); /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: audio3 &= ~WM8400_AIF_MSTR1; break; case SND_SOC_DAIFMT_CBM_CFM: audio3 |= WM8400_AIF_MSTR1; break; default: return -EINVAL; } audio1 &= ~WM8400_AIF_FMT_MASK; /* interface format */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: audio1 |= WM8400_AIF_FMT_I2S; audio1 &= ~WM8400_AIF_LRCLK_INV; break; case SND_SOC_DAIFMT_RIGHT_J: audio1 |= WM8400_AIF_FMT_RIGHTJ; audio1 &= ~WM8400_AIF_LRCLK_INV; break; case SND_SOC_DAIFMT_LEFT_J: audio1 |= WM8400_AIF_FMT_LEFTJ; audio1 &= ~WM8400_AIF_LRCLK_INV; break; case SND_SOC_DAIFMT_DSP_A: audio1 |= WM8400_AIF_FMT_DSP; audio1 &= ~WM8400_AIF_LRCLK_INV; break; case SND_SOC_DAIFMT_DSP_B: audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV; break; default: return -EINVAL; } wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3); return 0; } static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) { struct snd_soc_codec *codec = codec_dai->codec; u16 reg; switch (div_id) { case WM8400_MCLK_DIV: reg = wm8400_read(codec, WM8400_CLOCKING_2) & ~WM8400_MCLK_DIV_MASK; wm8400_write(codec, WM8400_CLOCKING_2, reg | div); break; case WM8400_DACCLK_DIV: reg = wm8400_read(codec, WM8400_CLOCKING_2) & ~WM8400_DAC_CLKDIV_MASK; wm8400_write(codec, WM8400_CLOCKING_2, reg | div); break; case WM8400_ADCCLK_DIV: reg = wm8400_read(codec, WM8400_CLOCKING_2) & ~WM8400_ADC_CLKDIV_MASK; wm8400_write(codec, WM8400_CLOCKING_2, reg | div); break; case WM8400_BCLK_DIV: reg = wm8400_read(codec, WM8400_CLOCKING_1) & ~WM8400_BCLK_DIV_MASK; wm8400_write(codec, WM8400_CLOCKING_1, reg | div); break; default: return -EINVAL; } return 0; } /* * Set PCM DAI bit size and sample rate. */ static int wm8400_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->codec; u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1); audio1 &= ~WM8400_AIF_WL_MASK; /* bit size */ switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: break; case SNDRV_PCM_FORMAT_S20_3LE: audio1 |= WM8400_AIF_WL_20BITS; break; case SNDRV_PCM_FORMAT_S24_LE: audio1 |= WM8400_AIF_WL_24BITS; break; case SNDRV_PCM_FORMAT_S32_LE: audio1 |= WM8400_AIF_WL_32BITS; break; } wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); return 0; } static int wm8400_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE; if (mute) wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); else wm8400_write(codec, WM8400_DAC_CTRL, val); return 0; } /* TODO: set bias for best performance at standby */ static int wm8400_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); u16 val; int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: /* VMID=2*50k */ val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) & ~WM8400_VMID_MODE_MASK; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2); break; case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { ret = regulator_bulk_enable(ARRAY_SIZE(power), &power[0]); if (ret != 0) { dev_err(wm8400->wm8400->dev, "Failed to enable regulators: %d\n", ret); return ret; } wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, WM8400_CODEC_ENA | WM8400_SYSCLK_ENA); /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | WM8400_BUFDCOPEN | WM8400_POBCTRL); msleep(50); /* Enable VREF & VMID at 2x50k */ val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1); val |= 0x2 | WM8400_VREF_ENA; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val); /* Enable BUFIOEN */ wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | WM8400_BUFDCOPEN | WM8400_POBCTRL | WM8400_BUFIOEN); /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN); } /* VMID=2*300k */ val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) & ~WM8400_VMID_MODE_MASK; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4); break; case SND_SOC_BIAS_OFF: /* Enable POBCTRL and SOFT_ST */ wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | WM8400_POBCTRL | WM8400_BUFIOEN); /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | WM8400_BUFDCOPEN | WM8400_POBCTRL | WM8400_BUFIOEN); /* mute DAC */ val = wm8400_read(codec, WM8400_DAC_CTRL); wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); /* Enable any disabled outputs */ val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1); val |= WM8400_SPK_ENA | WM8400_OUT3_ENA | WM8400_OUT4_ENA | WM8400_LOUT_ENA | WM8400_ROUT_ENA; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val); /* Disable VMID */ val &= ~WM8400_VMID_MODE_MASK; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val); msleep(300); /* Enable all output discharge bits */ wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE | WM8400_DIS_RLINE | WM8400_DIS_OUT3 | WM8400_DIS_OUT4 | WM8400_DIS_LOUT | WM8400_DIS_ROUT); /* Disable VREF */ val &= ~WM8400_VREF_ENA; wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val); /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ wm8400_write(codec, WM8400_ANTIPOP2, 0x0); ret = regulator_bulk_disable(ARRAY_SIZE(power), &power[0]); if (ret != 0) return ret; break; } codec->dapm.bias_level = level; return 0; } #define WM8400_RATES SNDRV_PCM_RATE_8000_96000 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S24_LE) static const struct snd_soc_dai_ops wm8400_dai_ops = { .hw_params = wm8400_hw_params, .digital_mute = wm8400_mute, .set_fmt = wm8400_set_dai_fmt, .set_clkdiv = wm8400_set_dai_clkdiv, .set_sysclk = wm8400_set_dai_sysclk, .set_pll = wm8400_set_dai_pll, }; /* * The WM8400 supports 2 different and mutually exclusive DAI * configurations. * * 1. ADC/DAC on Primary Interface * 2. ADC on Primary Interface/DAC on secondary */ static struct snd_soc_dai_driver wm8400_dai = { /* ADC/DAC on primary */ .name = "wm8400-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, .channels_max = 2, .rates = WM8400_RATES, .formats = WM8400_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 1, .channels_max = 2, .rates = WM8400_RATES, .formats = WM8400_FORMATS, }, .ops = &wm8400_dai_ops, }; static int wm8400_suspend(struct snd_soc_codec *codec, pm_message_t state) { wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static int wm8400_resume(struct snd_soc_codec *codec) { wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; } static void wm8400_probe_deferred(struct work_struct *work) { struct wm8400_priv *priv = container_of(work, struct wm8400_priv, work); struct snd_soc_codec *codec = priv->codec; /* charge output caps */ wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); } static int wm8400_codec_probe(struct snd_soc_codec *codec) { struct wm8400 *wm8400 = dev_get_platdata(codec->dev); struct wm8400_priv *priv; int ret; u16 reg; priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL); if (priv == NULL) return -ENOMEM; snd_soc_codec_set_drvdata(codec, priv); codec->control_data = priv->wm8400 = wm8400; priv->codec = codec; ret = regulator_bulk_get(wm8400->dev, ARRAY_SIZE(power), &power[0]); if (ret != 0) { dev_err(codec->dev, "Failed to get regulators: %d\n", ret); goto err; } INIT_WORK(&priv->work, wm8400_probe_deferred); wm8400_codec_reset(codec); reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1); wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA); /* Latch volume update bits */ reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME); wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME, reg & WM8400_IPVU); reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME); wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, reg & WM8400_IPVU); wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); if (!schedule_work(&priv->work)) { ret = -EINVAL; goto err_regulator; } wm8400_add_controls(codec); wm8400_add_widgets(codec); return 0; err_regulator: regulator_bulk_free(ARRAY_SIZE(power), power); err: kfree(priv); return ret; } static int wm8400_codec_remove(struct snd_soc_codec *codec) { struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec); u16 reg; reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1); wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg & (~WM8400_CODEC_ENA)); regulator_bulk_free(ARRAY_SIZE(power), power); kfree(priv); return 0; } static struct snd_soc_codec_driver soc_codec_dev_wm8400 = { .probe = wm8400_codec_probe, .remove = wm8400_codec_remove, .suspend = wm8400_suspend, .resume = wm8400_resume, .read = wm8400_read, .write = wm8400_write, .set_bias_level = wm8400_set_bias_level, }; static int __devinit wm8400_probe(struct platform_device *pdev) { return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400, &wm8400_dai, 1); } static int __devexit wm8400_remove(struct platform_device *pdev) { snd_soc_unregister_codec(&pdev->dev); return 0; } static struct platform_driver wm8400_codec_driver = { .driver = { .name = "wm8400-codec", .owner = THIS_MODULE, }, .probe = wm8400_probe, .remove = __devexit_p(wm8400_remove), }; static __init int wm8400_init(void) { return platform_driver_register(&wm8400_codec_driver); } module_init(wm8400_init); static __exit void wm8400_exit(void) { platform_driver_unregister(&wm8400_codec_driver); } module_exit(wm8400_exit); MODULE_DESCRIPTION("ASoC WM8400 driver"); MODULE_AUTHOR("Mark Brown"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:wm8400-codec");