diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/codecs/cs42l56.c | 1352 |
1 files changed, 1352 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c new file mode 100644 index 0000000000..1714857594 --- /dev/null +++ b/sound/soc/codecs/cs42l56.c @@ -0,0 +1,1352 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * cs42l56.c -- CS42L56 ALSA SoC audio driver + * + * Copyright 2014 CirrusLogic, Inc. + * + * Author: Brian Austin <brian.austin@cirrus.com> + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> +#include <linux/of_device.h> +#include <linux/of_gpio.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/cs42l56.h> +#include "cs42l56.h" + +#define CS42L56_NUM_SUPPLIES 3 +static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = { + "VA", + "VCP", + "VLDO", +}; + +struct cs42l56_private { + struct regmap *regmap; + struct snd_soc_component *component; + struct device *dev; + struct cs42l56_platform_data pdata; + struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES]; + u32 mclk; + u8 mclk_prediv; + u8 mclk_div2; + u8 mclk_ratio; + u8 iface; + u8 iface_fmt; + u8 iface_inv; +#if IS_ENABLED(CONFIG_INPUT) + struct input_dev *beep; + struct work_struct beep_work; + int beep_rate; +#endif +}; + +static const struct reg_default cs42l56_reg_defaults[] = { + { 3, 0x7f }, /* r03 - Power Ctl 1 */ + { 4, 0xff }, /* r04 - Power Ctl 2 */ + { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */ + { 6, 0x0b }, /* r06 - Clocking Ctl 2 */ + { 7, 0x00 }, /* r07 - Serial Format */ + { 8, 0x05 }, /* r08 - Class H Ctl */ + { 9, 0x0c }, /* r09 - Misc Ctl */ + { 10, 0x80 }, /* r0a - INT Status */ + { 11, 0x00 }, /* r0b - Playback Ctl */ + { 12, 0x0c }, /* r0c - DSP Mute Ctl */ + { 13, 0x00 }, /* r0d - ADCA Mixer Volume */ + { 14, 0x00 }, /* r0e - ADCB Mixer Volume */ + { 15, 0x00 }, /* r0f - PCMA Mixer Volume */ + { 16, 0x00 }, /* r10 - PCMB Mixer Volume */ + { 17, 0x00 }, /* r11 - Analog Input Advisory Volume */ + { 18, 0x00 }, /* r12 - Digital Input Advisory Volume */ + { 19, 0x00 }, /* r13 - Master A Volume */ + { 20, 0x00 }, /* r14 - Master B Volume */ + { 21, 0x00 }, /* r15 - Beep Freq / On Time */ + { 22, 0x00 }, /* r16 - Beep Volume / Off Time */ + { 23, 0x00 }, /* r17 - Beep Tone Ctl */ + { 24, 0x88 }, /* r18 - Tone Ctl */ + { 25, 0x00 }, /* r19 - Channel Mixer & Swap */ + { 26, 0x00 }, /* r1a - AIN Ref Config / ADC Mux */ + { 27, 0xa0 }, /* r1b - High-Pass Filter Ctl */ + { 28, 0x00 }, /* r1c - Misc ADC Ctl */ + { 29, 0x00 }, /* r1d - Gain & Bias Ctl */ + { 30, 0x00 }, /* r1e - PGAA Mux & Volume */ + { 31, 0x00 }, /* r1f - PGAB Mux & Volume */ + { 32, 0x00 }, /* r20 - ADCA Attenuator */ + { 33, 0x00 }, /* r21 - ADCB Attenuator */ + { 34, 0x00 }, /* r22 - ALC Enable & Attack Rate */ + { 35, 0xbf }, /* r23 - ALC Release Rate */ + { 36, 0x00 }, /* r24 - ALC Threshold */ + { 37, 0x00 }, /* r25 - Noise Gate Ctl */ + { 38, 0x00 }, /* r26 - ALC, Limiter, SFT, ZeroCross */ + { 39, 0x00 }, /* r27 - Analog Mute, LO & HP Mux */ + { 40, 0x00 }, /* r28 - HP A Volume */ + { 41, 0x00 }, /* r29 - HP B Volume */ + { 42, 0x00 }, /* r2a - LINEOUT A Volume */ + { 43, 0x00 }, /* r2b - LINEOUT B Volume */ + { 44, 0x00 }, /* r2c - Limit Threshold Ctl */ + { 45, 0x7f }, /* r2d - Limiter Ctl & Release Rate */ + { 46, 0x00 }, /* r2e - Limiter Attack Rate */ +}; + +static bool cs42l56_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS42L56_CHIP_ID_1 ... CS42L56_LIM_ATTACK_RATE: + return true; + default: + return false; + } +} + +static bool cs42l56_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS42L56_INT_STATUS: + return true; + default: + return false; + } +} + +static DECLARE_TLV_DB_SCALE(beep_tlv, -5000, 200, 0); +static DECLARE_TLV_DB_SCALE(hl_tlv, -6000, 50, 0); +static DECLARE_TLV_DB_SCALE(adv_tlv, -10200, 50, 0); +static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, 0); +static DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0); +static DECLARE_TLV_DB_SCALE(preamp_tlv, 0, 1000, 0); +static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0); + +static const DECLARE_TLV_DB_RANGE(ngnb_tlv, + 0, 1, TLV_DB_SCALE_ITEM(-8200, 600, 0), + 2, 5, TLV_DB_SCALE_ITEM(-7600, 300, 0) +); +static const DECLARE_TLV_DB_RANGE(ngb_tlv, + 0, 2, TLV_DB_SCALE_ITEM(-6400, 600, 0), + 3, 7, TLV_DB_SCALE_ITEM(-4600, 300, 0) +); +static const DECLARE_TLV_DB_RANGE(alc_tlv, + 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0), + 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0) +); + +static const char * const beep_config_text[] = { + "Off", "Single", "Multiple", "Continuous" +}; + +static const struct soc_enum beep_config_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 6, + ARRAY_SIZE(beep_config_text), beep_config_text); + +static const char * const beep_pitch_text[] = { + "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5", + "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7" +}; + +static const struct soc_enum beep_pitch_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 4, + ARRAY_SIZE(beep_pitch_text), beep_pitch_text); + +static const char * const beep_ontime_text[] = { + "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s", + "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s", + "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s" +}; + +static const struct soc_enum beep_ontime_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 0, + ARRAY_SIZE(beep_ontime_text), beep_ontime_text); + +static const char * const beep_offtime_text[] = { + "1.23 s", "2.58 s", "3.90 s", "5.20 s", + "6.60 s", "8.05 s", "9.35 s", "10.80 s" +}; + +static const struct soc_enum beep_offtime_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_OFFTIME, 5, + ARRAY_SIZE(beep_offtime_text), beep_offtime_text); + +static const char * const beep_treble_text[] = { + "5kHz", "7kHz", "10kHz", "15kHz" +}; + +static const struct soc_enum beep_treble_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 3, + ARRAY_SIZE(beep_treble_text), beep_treble_text); + +static const char * const beep_bass_text[] = { + "50Hz", "100Hz", "200Hz", "250Hz" +}; + +static const struct soc_enum beep_bass_enum = + SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 1, + ARRAY_SIZE(beep_bass_text), beep_bass_text); + +static const char * const pgaa_mux_text[] = { + "AIN1A", "AIN2A", "AIN3A"}; + +static const struct soc_enum pgaa_mux_enum = + SOC_ENUM_SINGLE(CS42L56_PGAA_MUX_VOLUME, 0, + ARRAY_SIZE(pgaa_mux_text), + pgaa_mux_text); + +static const struct snd_kcontrol_new pgaa_mux = + SOC_DAPM_ENUM("Route", pgaa_mux_enum); + +static const char * const pgab_mux_text[] = { + "AIN1B", "AIN2B", "AIN3B"}; + +static const struct soc_enum pgab_mux_enum = + SOC_ENUM_SINGLE(CS42L56_PGAB_MUX_VOLUME, 0, + ARRAY_SIZE(pgab_mux_text), + pgab_mux_text); + +static const struct snd_kcontrol_new pgab_mux = + SOC_DAPM_ENUM("Route", pgab_mux_enum); + +static const char * const adca_mux_text[] = { + "PGAA", "AIN1A", "AIN2A", "AIN3A"}; + +static const struct soc_enum adca_mux_enum = + SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 0, + ARRAY_SIZE(adca_mux_text), + adca_mux_text); + +static const struct snd_kcontrol_new adca_mux = + SOC_DAPM_ENUM("Route", adca_mux_enum); + +static const char * const adcb_mux_text[] = { + "PGAB", "AIN1B", "AIN2B", "AIN3B"}; + +static const struct soc_enum adcb_mux_enum = + SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 2, + ARRAY_SIZE(adcb_mux_text), + adcb_mux_text); + +static const struct snd_kcontrol_new adcb_mux = + SOC_DAPM_ENUM("Route", adcb_mux_enum); + +static const char * const left_swap_text[] = { + "Left", "LR 2", "Right"}; + +static const char * const right_swap_text[] = { + "Right", "LR 2", "Left"}; + +static const unsigned int swap_values[] = { 0, 1, 3 }; + +static const struct soc_enum adca_swap_enum = + SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 0, 3, + ARRAY_SIZE(left_swap_text), + left_swap_text, + swap_values); +static const struct snd_kcontrol_new adca_swap_mux = + SOC_DAPM_ENUM("Route", adca_swap_enum); + +static const struct soc_enum pcma_swap_enum = + SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 4, 3, + ARRAY_SIZE(left_swap_text), + left_swap_text, + swap_values); +static const struct snd_kcontrol_new pcma_swap_mux = + SOC_DAPM_ENUM("Route", pcma_swap_enum); + +static const struct soc_enum adcb_swap_enum = + SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 2, 3, + ARRAY_SIZE(right_swap_text), + right_swap_text, + swap_values); +static const struct snd_kcontrol_new adcb_swap_mux = + SOC_DAPM_ENUM("Route", adcb_swap_enum); + +static const struct soc_enum pcmb_swap_enum = + SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 6, 3, + ARRAY_SIZE(right_swap_text), + right_swap_text, + swap_values); +static const struct snd_kcontrol_new pcmb_swap_mux = + SOC_DAPM_ENUM("Route", pcmb_swap_enum); + +static const struct snd_kcontrol_new hpa_switch = + SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 6, 1, 1); + +static const struct snd_kcontrol_new hpb_switch = + SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 4, 1, 1); + +static const struct snd_kcontrol_new loa_switch = + SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 2, 1, 1); + +static const struct snd_kcontrol_new lob_switch = + SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 0, 1, 1); + +static const char * const hploa_input_text[] = { + "DACA", "PGAA"}; + +static const struct soc_enum lineouta_input_enum = + SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 2, + ARRAY_SIZE(hploa_input_text), + hploa_input_text); + +static const struct snd_kcontrol_new lineouta_input = + SOC_DAPM_ENUM("Route", lineouta_input_enum); + +static const struct soc_enum hpa_input_enum = + SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 0, + ARRAY_SIZE(hploa_input_text), + hploa_input_text); + +static const struct snd_kcontrol_new hpa_input = + SOC_DAPM_ENUM("Route", hpa_input_enum); + +static const char * const hplob_input_text[] = { + "DACB", "PGAB"}; + +static const struct soc_enum lineoutb_input_enum = + SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 3, + ARRAY_SIZE(hplob_input_text), + hplob_input_text); + +static const struct snd_kcontrol_new lineoutb_input = + SOC_DAPM_ENUM("Route", lineoutb_input_enum); + +static const struct soc_enum hpb_input_enum = + SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 1, + ARRAY_SIZE(hplob_input_text), + hplob_input_text); + +static const struct snd_kcontrol_new hpb_input = + SOC_DAPM_ENUM("Route", hpb_input_enum); + +static const char * const dig_mux_text[] = { + "ADC", "DSP"}; + +static const struct soc_enum dig_mux_enum = + SOC_ENUM_SINGLE(CS42L56_MISC_CTL, 7, + ARRAY_SIZE(dig_mux_text), + dig_mux_text); + +static const struct snd_kcontrol_new dig_mux = + SOC_DAPM_ENUM("Route", dig_mux_enum); + +static const char * const hpf_freq_text[] = { + "1.8Hz", "119Hz", "236Hz", "464Hz" +}; + +static const struct soc_enum hpfa_freq_enum = + SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 0, + ARRAY_SIZE(hpf_freq_text), hpf_freq_text); + +static const struct soc_enum hpfb_freq_enum = + SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 2, + ARRAY_SIZE(hpf_freq_text), hpf_freq_text); + +static const char * const ng_delay_text[] = { + "50ms", "100ms", "150ms", "200ms" +}; + +static const struct soc_enum ng_delay_enum = + SOC_ENUM_SINGLE(CS42L56_NOISE_GATE_CTL, 0, + ARRAY_SIZE(ng_delay_text), ng_delay_text); + +static const struct snd_kcontrol_new cs42l56_snd_controls[] = { + + SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L56_MASTER_A_VOLUME, + CS42L56_MASTER_B_VOLUME, 0, 0x34, 0xE4, adv_tlv), + SOC_DOUBLE("Master Mute Switch", CS42L56_DSP_MUTE_CTL, 0, 1, 1, 1), + + SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L56_ADCA_MIX_VOLUME, + CS42L56_ADCB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv), + SOC_DOUBLE("ADC Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 6, 7, 1, 1), + + SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", CS42L56_PCMA_MIX_VOLUME, + CS42L56_PCMB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv), + SOC_DOUBLE("PCM Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 4, 5, 1, 1), + + SOC_SINGLE_TLV("Analog Advisory Volume", + CS42L56_ANAINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv), + SOC_SINGLE_TLV("Digital Advisory Volume", + CS42L56_DIGINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv), + + SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L56_PGAA_MUX_VOLUME, + CS42L56_PGAB_MUX_VOLUME, 0, 0x34, 0x24, pga_tlv), + SOC_DOUBLE_R_TLV("ADC Volume", CS42L56_ADCA_ATTENUATOR, + CS42L56_ADCB_ATTENUATOR, 0, 0x00, 1, adc_tlv), + SOC_DOUBLE("ADC Mute Switch", CS42L56_MISC_ADC_CTL, 2, 3, 1, 1), + SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1), + + SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME, + CS42L56_HPB_VOLUME, 0, 0x44, 0x48, hl_tlv), + SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME, + CS42L56_LOB_VOLUME, 0, 0x44, 0x48, hl_tlv), + + SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL, + 0, 0x00, 1, tone_tlv), + SOC_SINGLE_TLV("Treble Shelving Volume", CS42L56_TONE_CTL, + 4, 0x00, 1, tone_tlv), + + SOC_DOUBLE_TLV("PGA Preamp Volume", CS42L56_GAIN_BIAS_CTL, + 4, 6, 0x02, 1, preamp_tlv), + + SOC_SINGLE("DSP Switch", CS42L56_PLAYBACK_CTL, 7, 1, 1), + SOC_SINGLE("Gang Playback Switch", CS42L56_PLAYBACK_CTL, 4, 1, 1), + SOC_SINGLE("Gang ADC Switch", CS42L56_MISC_ADC_CTL, 7, 1, 1), + SOC_SINGLE("Gang PGA Switch", CS42L56_MISC_ADC_CTL, 6, 1, 1), + + SOC_SINGLE("PCMA Invert", CS42L56_PLAYBACK_CTL, 2, 1, 1), + SOC_SINGLE("PCMB Invert", CS42L56_PLAYBACK_CTL, 3, 1, 1), + SOC_SINGLE("ADCA Invert", CS42L56_MISC_ADC_CTL, 2, 1, 1), + SOC_SINGLE("ADCB Invert", CS42L56_MISC_ADC_CTL, 3, 1, 1), + + SOC_DOUBLE("HPF Switch", CS42L56_HPF_CTL, 5, 7, 1, 1), + SOC_DOUBLE("HPF Freeze Switch", CS42L56_HPF_CTL, 4, 6, 1, 1), + SOC_ENUM("HPFA Corner Freq", hpfa_freq_enum), + SOC_ENUM("HPFB Corner Freq", hpfb_freq_enum), + + SOC_SINGLE("Analog Soft Ramp", CS42L56_MISC_CTL, 4, 1, 1), + SOC_DOUBLE("Analog Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC, + 7, 5, 1, 1), + SOC_SINGLE("Analog Zero Cross", CS42L56_MISC_CTL, 3, 1, 1), + SOC_DOUBLE("Analog Zero Cross Disable", CS42L56_ALC_LIM_SFT_ZC, + 6, 4, 1, 1), + SOC_SINGLE("Digital Soft Ramp", CS42L56_MISC_CTL, 2, 1, 1), + SOC_SINGLE("Digital Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC, + 3, 1, 1), + + SOC_SINGLE("HL Deemphasis", CS42L56_PLAYBACK_CTL, 6, 1, 1), + + SOC_SINGLE("ALC Switch", CS42L56_ALC_EN_ATTACK_RATE, 6, 1, 1), + SOC_SINGLE("ALC Limit All Switch", CS42L56_ALC_RELEASE_RATE, 7, 1, 1), + SOC_SINGLE_RANGE("ALC Attack", CS42L56_ALC_EN_ATTACK_RATE, + 0, 0, 0x3f, 0), + SOC_SINGLE_RANGE("ALC Release", CS42L56_ALC_RELEASE_RATE, + 0, 0x3f, 0, 0), + SOC_SINGLE_TLV("ALC MAX", CS42L56_ALC_THRESHOLD, + 5, 0x07, 1, alc_tlv), + SOC_SINGLE_TLV("ALC MIN", CS42L56_ALC_THRESHOLD, + 2, 0x07, 1, alc_tlv), + + SOC_SINGLE("Limiter Switch", CS42L56_LIM_CTL_RELEASE_RATE, 7, 1, 1), + SOC_SINGLE("Limit All Switch", CS42L56_LIM_CTL_RELEASE_RATE, 6, 1, 1), + SOC_SINGLE_RANGE("Limiter Attack", CS42L56_LIM_ATTACK_RATE, + 0, 0, 0x3f, 0), + SOC_SINGLE_RANGE("Limiter Release", CS42L56_LIM_CTL_RELEASE_RATE, + 0, 0x3f, 0, 0), + SOC_SINGLE_TLV("Limiter MAX", CS42L56_LIM_THRESHOLD_CTL, + 5, 0x07, 1, alc_tlv), + SOC_SINGLE_TLV("Limiter Cushion", CS42L56_ALC_THRESHOLD, + 2, 0x07, 1, alc_tlv), + + SOC_SINGLE("NG Switch", CS42L56_NOISE_GATE_CTL, 6, 1, 1), + SOC_SINGLE("NG All Switch", CS42L56_NOISE_GATE_CTL, 7, 1, 1), + SOC_SINGLE("NG Boost Switch", CS42L56_NOISE_GATE_CTL, 5, 1, 1), + SOC_SINGLE_TLV("NG Unboost Threshold", CS42L56_NOISE_GATE_CTL, + 2, 0x07, 1, ngnb_tlv), + SOC_SINGLE_TLV("NG Boost Threshold", CS42L56_NOISE_GATE_CTL, + 2, 0x07, 1, ngb_tlv), + SOC_ENUM("NG Delay", ng_delay_enum), + + SOC_ENUM("Beep Config", beep_config_enum), + SOC_ENUM("Beep Pitch", beep_pitch_enum), + SOC_ENUM("Beep on Time", beep_ontime_enum), + SOC_ENUM("Beep off Time", beep_offtime_enum), + SOC_SINGLE_SX_TLV("Beep Volume", CS42L56_BEEP_FREQ_OFFTIME, + 0, 0x07, 0x23, beep_tlv), + SOC_SINGLE("Beep Tone Ctl Switch", CS42L56_BEEP_TONE_CFG, 0, 1, 1), + SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum), + SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum), + +}; + +static const struct snd_soc_dapm_widget cs42l56_dapm_widgets[] = { + + SND_SOC_DAPM_SIGGEN("Beep"), + SND_SOC_DAPM_SUPPLY("VBUF", CS42L56_PWRCTL_1, 5, 1, NULL, 0), + SND_SOC_DAPM_MICBIAS("MIC1 Bias", CS42L56_PWRCTL_1, 4, 1), + SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L56_PWRCTL_1, 3, 1, NULL, 0), + + SND_SOC_DAPM_INPUT("AIN1A"), + SND_SOC_DAPM_INPUT("AIN2A"), + SND_SOC_DAPM_INPUT("AIN1B"), + SND_SOC_DAPM_INPUT("AIN2B"), + SND_SOC_DAPM_INPUT("AIN3A"), + SND_SOC_DAPM_INPUT("AIN3B"), + + SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0, + SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, + SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_MUX("Digital Output Mux", SND_SOC_NOPM, + 0, 0, &dig_mux), + + SND_SOC_DAPM_PGA("PGAA", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("PGAB", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MUX("PGAA Input Mux", + SND_SOC_NOPM, 0, 0, &pgaa_mux), + SND_SOC_DAPM_MUX("PGAB Input Mux", + SND_SOC_NOPM, 0, 0, &pgab_mux), + + SND_SOC_DAPM_MUX("ADCA Mux", SND_SOC_NOPM, + 0, 0, &adca_mux), + SND_SOC_DAPM_MUX("ADCB Mux", SND_SOC_NOPM, + 0, 0, &adcb_mux), + + SND_SOC_DAPM_ADC("ADCA", NULL, CS42L56_PWRCTL_1, 1, 1), + SND_SOC_DAPM_ADC("ADCB", NULL, CS42L56_PWRCTL_1, 2, 1), + + SND_SOC_DAPM_MUX("ADCA Swap Mux", SND_SOC_NOPM, 0, 0, + &adca_swap_mux), + SND_SOC_DAPM_MUX("ADCB Swap Mux", SND_SOC_NOPM, 0, 0, + &adcb_swap_mux), + + SND_SOC_DAPM_MUX("PCMA Swap Mux", SND_SOC_NOPM, 0, 0, + &pcma_swap_mux), + SND_SOC_DAPM_MUX("PCMB Swap Mux", SND_SOC_NOPM, 0, 0, + &pcmb_swap_mux), + + SND_SOC_DAPM_DAC("DACA", NULL, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("DACB", NULL, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_OUTPUT("HPA"), + SND_SOC_DAPM_OUTPUT("LOA"), + SND_SOC_DAPM_OUTPUT("HPB"), + SND_SOC_DAPM_OUTPUT("LOB"), + + SND_SOC_DAPM_SWITCH("Headphone Right", + CS42L56_PWRCTL_2, 4, 1, &hpb_switch), + SND_SOC_DAPM_SWITCH("Headphone Left", + CS42L56_PWRCTL_2, 6, 1, &hpa_switch), + + SND_SOC_DAPM_SWITCH("Lineout Right", + CS42L56_PWRCTL_2, 0, 1, &lob_switch), + SND_SOC_DAPM_SWITCH("Lineout Left", + CS42L56_PWRCTL_2, 2, 1, &loa_switch), + + SND_SOC_DAPM_MUX("LINEOUTA Input Mux", SND_SOC_NOPM, + 0, 0, &lineouta_input), + SND_SOC_DAPM_MUX("LINEOUTB Input Mux", SND_SOC_NOPM, + 0, 0, &lineoutb_input), + SND_SOC_DAPM_MUX("HPA Input Mux", SND_SOC_NOPM, + 0, 0, &hpa_input), + SND_SOC_DAPM_MUX("HPB Input Mux", SND_SOC_NOPM, + 0, 0, &hpb_input), + +}; + +static const struct snd_soc_dapm_route cs42l56_audio_map[] = { + + {"HiFi Capture", "DSP", "Digital Output Mux"}, + {"HiFi Capture", "ADC", "Digital Output Mux"}, + + {"Digital Output Mux", NULL, "ADCA"}, + {"Digital Output Mux", NULL, "ADCB"}, + + {"ADCB", NULL, "ADCB Swap Mux"}, + {"ADCA", NULL, "ADCA Swap Mux"}, + + {"ADCA Swap Mux", NULL, "ADCA"}, + {"ADCB Swap Mux", NULL, "ADCB"}, + + {"DACA", "Left", "ADCA Swap Mux"}, + {"DACA", "LR 2", "ADCA Swap Mux"}, + {"DACA", "Right", "ADCA Swap Mux"}, + + {"DACB", "Left", "ADCB Swap Mux"}, + {"DACB", "LR 2", "ADCB Swap Mux"}, + {"DACB", "Right", "ADCB Swap Mux"}, + + {"ADCA Mux", NULL, "AIN3A"}, + {"ADCA Mux", NULL, "AIN2A"}, + {"ADCA Mux", NULL, "AIN1A"}, + {"ADCA Mux", NULL, "PGAA"}, + {"ADCB Mux", NULL, "AIN3B"}, + {"ADCB Mux", NULL, "AIN2B"}, + {"ADCB Mux", NULL, "AIN1B"}, + {"ADCB Mux", NULL, "PGAB"}, + + {"PGAA", "AIN1A", "PGAA Input Mux"}, + {"PGAA", "AIN2A", "PGAA Input Mux"}, + {"PGAA", "AIN3A", "PGAA Input Mux"}, + {"PGAB", "AIN1B", "PGAB Input Mux"}, + {"PGAB", "AIN2B", "PGAB Input Mux"}, + {"PGAB", "AIN3B", "PGAB Input Mux"}, + + {"PGAA Input Mux", NULL, "AIN1A"}, + {"PGAA Input Mux", NULL, "AIN2A"}, + {"PGAA Input Mux", NULL, "AIN3A"}, + {"PGAB Input Mux", NULL, "AIN1B"}, + {"PGAB Input Mux", NULL, "AIN2B"}, + {"PGAB Input Mux", NULL, "AIN3B"}, + + {"LOB", "Switch", "LINEOUTB Input Mux"}, + {"LOA", "Switch", "LINEOUTA Input Mux"}, + + {"LINEOUTA Input Mux", "PGAA", "PGAA"}, + {"LINEOUTB Input Mux", "PGAB", "PGAB"}, + {"LINEOUTA Input Mux", "DACA", "DACA"}, + {"LINEOUTB Input Mux", "DACB", "DACB"}, + + {"HPA", "Switch", "HPB Input Mux"}, + {"HPB", "Switch", "HPA Input Mux"}, + + {"HPA Input Mux", "PGAA", "PGAA"}, + {"HPB Input Mux", "PGAB", "PGAB"}, + {"HPA Input Mux", "DACA", "DACA"}, + {"HPB Input Mux", "DACB", "DACB"}, + + {"DACA", NULL, "PCMA Swap Mux"}, + {"DACB", NULL, "PCMB Swap Mux"}, + + {"PCMB Swap Mux", "Left", "HiFi Playback"}, + {"PCMB Swap Mux", "LR 2", "HiFi Playback"}, + {"PCMB Swap Mux", "Right", "HiFi Playback"}, + + {"PCMA Swap Mux", "Left", "HiFi Playback"}, + {"PCMA Swap Mux", "LR 2", "HiFi Playback"}, + {"PCMA Swap Mux", "Right", "HiFi Playback"}, + +}; + +struct cs42l56_clk_para { + u32 mclk; + u32 srate; + u8 ratio; +}; + +static const struct cs42l56_clk_para clk_ratio_table[] = { + /* 8k */ + { 6000000, 8000, CS42L56_MCLK_LRCLK_768 }, + { 6144000, 8000, CS42L56_MCLK_LRCLK_750 }, + { 12000000, 8000, CS42L56_MCLK_LRCLK_768 }, + { 12288000, 8000, CS42L56_MCLK_LRCLK_750 }, + { 24000000, 8000, CS42L56_MCLK_LRCLK_768 }, + { 24576000, 8000, CS42L56_MCLK_LRCLK_750 }, + /* 11.025k */ + { 5644800, 11025, CS42L56_MCLK_LRCLK_512}, + { 11289600, 11025, CS42L56_MCLK_LRCLK_512}, + { 22579200, 11025, CS42L56_MCLK_LRCLK_512 }, + /* 11.0294k */ + { 6000000, 110294, CS42L56_MCLK_LRCLK_544 }, + { 12000000, 110294, CS42L56_MCLK_LRCLK_544 }, + { 24000000, 110294, CS42L56_MCLK_LRCLK_544 }, + /* 12k */ + { 6000000, 12000, CS42L56_MCLK_LRCLK_500 }, + { 6144000, 12000, CS42L56_MCLK_LRCLK_512 }, + { 12000000, 12000, CS42L56_MCLK_LRCLK_500 }, + { 12288000, 12000, CS42L56_MCLK_LRCLK_512 }, + { 24000000, 12000, CS42L56_MCLK_LRCLK_500 }, + { 24576000, 12000, CS42L56_MCLK_LRCLK_512 }, + /* 16k */ + { 6000000, 16000, CS42L56_MCLK_LRCLK_375 }, + { 6144000, 16000, CS42L56_MCLK_LRCLK_384 }, + { 12000000, 16000, CS42L56_MCLK_LRCLK_375 }, + { 12288000, 16000, CS42L56_MCLK_LRCLK_384 }, + { 24000000, 16000, CS42L56_MCLK_LRCLK_375 }, + { 24576000, 16000, CS42L56_MCLK_LRCLK_384 }, + /* 22.050k */ + { 5644800, 22050, CS42L56_MCLK_LRCLK_256 }, + { 11289600, 22050, CS42L56_MCLK_LRCLK_256 }, + { 22579200, 22050, CS42L56_MCLK_LRCLK_256 }, + /* 22.0588k */ + { 6000000, 220588, CS42L56_MCLK_LRCLK_272 }, + { 12000000, 220588, CS42L56_MCLK_LRCLK_272 }, + { 24000000, 220588, CS42L56_MCLK_LRCLK_272 }, + /* 24k */ + { 6000000, 24000, CS42L56_MCLK_LRCLK_250 }, + { 6144000, 24000, CS42L56_MCLK_LRCLK_256 }, + { 12000000, 24000, CS42L56_MCLK_LRCLK_250 }, + { 12288000, 24000, CS42L56_MCLK_LRCLK_256 }, + { 24000000, 24000, CS42L56_MCLK_LRCLK_250 }, + { 24576000, 24000, CS42L56_MCLK_LRCLK_256 }, + /* 32k */ + { 6000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, + { 6144000, 32000, CS42L56_MCLK_LRCLK_192 }, + { 12000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, + { 12288000, 32000, CS42L56_MCLK_LRCLK_192 }, + { 24000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, + { 24576000, 32000, CS42L56_MCLK_LRCLK_192 }, + /* 44.118k */ + { 6000000, 44118, CS42L56_MCLK_LRCLK_136 }, + { 12000000, 44118, CS42L56_MCLK_LRCLK_136 }, + { 24000000, 44118, CS42L56_MCLK_LRCLK_136 }, + /* 44.1k */ + { 5644800, 44100, CS42L56_MCLK_LRCLK_128 }, + { 11289600, 44100, CS42L56_MCLK_LRCLK_128 }, + { 22579200, 44100, CS42L56_MCLK_LRCLK_128 }, + /* 48k */ + { 6000000, 48000, CS42L56_MCLK_LRCLK_125 }, + { 6144000, 48000, CS42L56_MCLK_LRCLK_128 }, + { 12000000, 48000, CS42L56_MCLK_LRCLK_125 }, + { 12288000, 48000, CS42L56_MCLK_LRCLK_128 }, + { 24000000, 48000, CS42L56_MCLK_LRCLK_125 }, + { 24576000, 48000, CS42L56_MCLK_LRCLK_128 }, +}; + +static int cs42l56_get_mclk_ratio(int mclk, int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(clk_ratio_table); i++) { + if (clk_ratio_table[i].mclk == mclk && + clk_ratio_table[i].srate == rate) + return clk_ratio_table[i].ratio; + } + return -EINVAL; +} + +static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = codec_dai->component; + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + + switch (freq) { + case CS42L56_MCLK_5P6448MHZ: + case CS42L56_MCLK_6MHZ: + case CS42L56_MCLK_6P144MHZ: + cs42l56->mclk_div2 = 0; + cs42l56->mclk_prediv = 0; + break; + case CS42L56_MCLK_11P2896MHZ: + case CS42L56_MCLK_12MHZ: + case CS42L56_MCLK_12P288MHZ: + cs42l56->mclk_div2 = CS42L56_MCLK_DIV2; + cs42l56->mclk_prediv = 0; + break; + case CS42L56_MCLK_22P5792MHZ: + case CS42L56_MCLK_24MHZ: + case CS42L56_MCLK_24P576MHZ: + cs42l56->mclk_div2 = CS42L56_MCLK_DIV2; + cs42l56->mclk_prediv = CS42L56_MCLK_PREDIV; + break; + default: + return -EINVAL; + } + cs42l56->mclk = freq; + + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_MCLK_PREDIV_MASK, + cs42l56->mclk_prediv); + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_MCLK_DIV2_MASK, + cs42l56->mclk_div2); + + return 0; +} + +static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + cs42l56->iface = CS42L56_MASTER_MODE; + break; + case SND_SOC_DAIFMT_CBS_CFS: + cs42l56->iface = CS42L56_SLAVE_MODE; + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + cs42l56->iface_fmt = CS42L56_DIG_FMT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + cs42l56->iface_fmt = CS42L56_DIG_FMT_LEFT_J; + break; + default: + return -EINVAL; + } + + /* sclk inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + cs42l56->iface_inv = 0; + break; + case SND_SOC_DAIFMT_IB_NF: + cs42l56->iface_inv = CS42L56_SCLK_INV; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_MS_MODE_MASK, cs42l56->iface); + snd_soc_component_update_bits(component, CS42L56_SERIAL_FMT, + CS42L56_DIG_FMT_MASK, cs42l56->iface_fmt); + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_SCLK_INV_MASK, cs42l56->iface_inv); + return 0; +} + +static int cs42l56_mute(struct snd_soc_dai *dai, int mute, int direction) +{ + struct snd_soc_component *component = dai->component; + + if (mute) { + /* Hit the DSP Mixer first */ + snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL, + CS42L56_ADCAMIX_MUTE_MASK | + CS42L56_ADCBMIX_MUTE_MASK | + CS42L56_PCMAMIX_MUTE_MASK | + CS42L56_PCMBMIX_MUTE_MASK | + CS42L56_MSTB_MUTE_MASK | + CS42L56_MSTA_MUTE_MASK, + CS42L56_MUTE_ALL); + /* Mute ADC's */ + snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL, + CS42L56_ADCA_MUTE_MASK | + CS42L56_ADCB_MUTE_MASK, + CS42L56_MUTE_ALL); + /* HP And LO */ + snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME, + CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL); + snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME, + CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL); + snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME, + CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL); + snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME, + CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL); + } else { + snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL, + CS42L56_ADCAMIX_MUTE_MASK | + CS42L56_ADCBMIX_MUTE_MASK | + CS42L56_PCMAMIX_MUTE_MASK | + CS42L56_PCMBMIX_MUTE_MASK | + CS42L56_MSTB_MUTE_MASK | + CS42L56_MSTA_MUTE_MASK, + CS42L56_UNMUTE); + + snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL, + CS42L56_ADCA_MUTE_MASK | + CS42L56_ADCB_MUTE_MASK, + CS42L56_UNMUTE); + + snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME, + CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE); + snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME, + CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE); + snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME, + CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE); + snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME, + CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE); + } + return 0; +} + +static int cs42l56_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + int ratio; + + ratio = cs42l56_get_mclk_ratio(cs42l56->mclk, params_rate(params)); + if (ratio >= 0) { + snd_soc_component_update_bits(component, CS42L56_CLKCTL_2, + CS42L56_CLK_RATIO_MASK, ratio); + } else { + dev_err(component->dev, "unsupported mclk/sclk/lrclk ratio\n"); + return -EINVAL; + } + + return 0; +} + +static int cs42l56_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + int ret; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_MCLK_DIS_MASK, 0); + snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, + CS42L56_PDN_ALL_MASK, 0); + break; + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + regcache_cache_only(cs42l56->regmap, false); + regcache_sync(cs42l56->regmap); + ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); + if (ret != 0) { + dev_err(cs42l56->dev, + "Failed to enable regulators: %d\n", + ret); + return ret; + } + } + snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, + CS42L56_PDN_ALL_MASK, 1); + break; + case SND_SOC_BIAS_OFF: + snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, + CS42L56_PDN_ALL_MASK, 1); + snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, + CS42L56_MCLK_DIS_MASK, 1); + regcache_cache_only(cs42l56->regmap, true); + regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); + break; + } + + return 0; +} + +#define CS42L56_RATES (SNDRV_PCM_RATE_8000_48000) + +#define CS42L56_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \ + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + + +static const struct snd_soc_dai_ops cs42l56_ops = { + .hw_params = cs42l56_pcm_hw_params, + .mute_stream = cs42l56_mute, + .set_fmt = cs42l56_set_dai_fmt, + .set_sysclk = cs42l56_set_sysclk, + .no_capture_mute = 1, +}; + +static struct snd_soc_dai_driver cs42l56_dai = { + .name = "cs42l56", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = CS42L56_RATES, + .formats = CS42L56_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = CS42L56_RATES, + .formats = CS42L56_FORMATS, + }, + .ops = &cs42l56_ops, +}; + +static int beep_freq[] = { + 261, 522, 585, 667, 706, 774, 889, 1000, + 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182 +}; + +static void cs42l56_beep_work(struct work_struct *work) +{ + struct cs42l56_private *cs42l56 = + container_of(work, struct cs42l56_private, beep_work); + struct snd_soc_component *component = cs42l56->component; + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + int i; + int val = 0; + int best = 0; + + if (cs42l56->beep_rate) { + for (i = 0; i < ARRAY_SIZE(beep_freq); i++) { + if (abs(cs42l56->beep_rate - beep_freq[i]) < + abs(cs42l56->beep_rate - beep_freq[best])) + best = i; + } + + dev_dbg(component->dev, "Set beep rate %dHz for requested %dHz\n", + beep_freq[best], cs42l56->beep_rate); + + val = (best << CS42L56_BEEP_RATE_SHIFT); + + snd_soc_dapm_enable_pin(dapm, "Beep"); + } else { + dev_dbg(component->dev, "Disabling beep\n"); + snd_soc_dapm_disable_pin(dapm, "Beep"); + } + + snd_soc_component_update_bits(component, CS42L56_BEEP_FREQ_ONTIME, + CS42L56_BEEP_FREQ_MASK, val); + + snd_soc_dapm_sync(dapm); +} + +/* For usability define a way of injecting beep events for the device - + * many systems will not have a keyboard. + */ +static int cs42l56_beep_event(struct input_dev *dev, unsigned int type, + unsigned int code, int hz) +{ + struct snd_soc_component *component = input_get_drvdata(dev); + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + + dev_dbg(component->dev, "Beep event %x %x\n", code, hz); + + switch (code) { + case SND_BELL: + if (hz) + hz = 261; + break; + case SND_TONE: + break; + default: + return -1; + } + + /* Kick the beep from a workqueue */ + cs42l56->beep_rate = hz; + schedule_work(&cs42l56->beep_work); + return 0; +} + +static ssize_t beep_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct cs42l56_private *cs42l56 = dev_get_drvdata(dev); + long int time; + int ret; + + ret = kstrtol(buf, 10, &time); + if (ret != 0) + return ret; + + input_event(cs42l56->beep, EV_SND, SND_TONE, time); + + return count; +} + +static DEVICE_ATTR_WO(beep); + +static void cs42l56_init_beep(struct snd_soc_component *component) +{ + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + int ret; + + cs42l56->beep = devm_input_allocate_device(component->dev); + if (!cs42l56->beep) { + dev_err(component->dev, "Failed to allocate beep device\n"); + return; + } + + INIT_WORK(&cs42l56->beep_work, cs42l56_beep_work); + cs42l56->beep_rate = 0; + + cs42l56->beep->name = "CS42L56 Beep Generator"; + cs42l56->beep->phys = dev_name(component->dev); + cs42l56->beep->id.bustype = BUS_I2C; + + cs42l56->beep->evbit[0] = BIT_MASK(EV_SND); + cs42l56->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); + cs42l56->beep->event = cs42l56_beep_event; + cs42l56->beep->dev.parent = component->dev; + input_set_drvdata(cs42l56->beep, component); + + ret = input_register_device(cs42l56->beep); + if (ret != 0) { + cs42l56->beep = NULL; + dev_err(component->dev, "Failed to register beep device\n"); + } + + ret = device_create_file(component->dev, &dev_attr_beep); + if (ret != 0) { + dev_err(component->dev, "Failed to create keyclick file: %d\n", + ret); + } +} + +static void cs42l56_free_beep(struct snd_soc_component *component) +{ + struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); + + device_remove_file(component->dev, &dev_attr_beep); + cancel_work_sync(&cs42l56->beep_work); + cs42l56->beep = NULL; + + snd_soc_component_update_bits(component, CS42L56_BEEP_TONE_CFG, + CS42L56_BEEP_EN_MASK, 0); +} + +static int cs42l56_probe(struct snd_soc_component *component) +{ + cs42l56_init_beep(component); + + return 0; +} + +static void cs42l56_remove(struct snd_soc_component *component) +{ + cs42l56_free_beep(component); +} + +static const struct snd_soc_component_driver soc_component_dev_cs42l56 = { + .probe = cs42l56_probe, + .remove = cs42l56_remove, + .set_bias_level = cs42l56_set_bias_level, + .controls = cs42l56_snd_controls, + .num_controls = ARRAY_SIZE(cs42l56_snd_controls), + .dapm_widgets = cs42l56_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs42l56_dapm_widgets), + .dapm_routes = cs42l56_audio_map, + .num_dapm_routes = ARRAY_SIZE(cs42l56_audio_map), + .suspend_bias_off = 1, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static const struct regmap_config cs42l56_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = CS42L56_MAX_REGISTER, + .reg_defaults = cs42l56_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults), + .readable_reg = cs42l56_readable_register, + .volatile_reg = cs42l56_volatile_register, + .cache_type = REGCACHE_MAPLE, +}; + +static int cs42l56_handle_of_data(struct i2c_client *i2c_client, + struct cs42l56_platform_data *pdata) +{ + struct device_node *np = i2c_client->dev.of_node; + u32 val32; + + if (of_property_read_bool(np, "cirrus,ain1a-reference-cfg")) + pdata->ain1a_ref_cfg = true; + + if (of_property_read_bool(np, "cirrus,ain2a-reference-cfg")) + pdata->ain2a_ref_cfg = true; + + if (of_property_read_bool(np, "cirrus,ain1b-reference-cfg")) + pdata->ain1b_ref_cfg = true; + + if (of_property_read_bool(np, "cirrus,ain2b-reference-cfg")) + pdata->ain2b_ref_cfg = true; + + if (of_property_read_u32(np, "cirrus,micbias-lvl", &val32) >= 0) + pdata->micbias_lvl = val32; + + if (of_property_read_u32(np, "cirrus,chgfreq-divisor", &val32) >= 0) + pdata->chgfreq = val32; + + if (of_property_read_u32(np, "cirrus,adaptive-pwr-cfg", &val32) >= 0) + pdata->adaptive_pwr = val32; + + if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0) + pdata->hpfa_freq = val32; + + if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0) + pdata->hpfb_freq = val32; + + pdata->gpio_nreset = of_get_named_gpio(np, "cirrus,gpio-nreset", 0); + + return 0; +} + +static int cs42l56_i2c_probe(struct i2c_client *i2c_client) +{ + struct cs42l56_private *cs42l56; + struct cs42l56_platform_data *pdata = + dev_get_platdata(&i2c_client->dev); + int ret, i; + unsigned int devid; + unsigned int alpha_rev, metal_rev; + unsigned int reg; + + cs42l56 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l56), GFP_KERNEL); + if (cs42l56 == NULL) + return -ENOMEM; + cs42l56->dev = &i2c_client->dev; + + cs42l56->regmap = devm_regmap_init_i2c(i2c_client, &cs42l56_regmap); + if (IS_ERR(cs42l56->regmap)) { + ret = PTR_ERR(cs42l56->regmap); + dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret); + return ret; + } + + if (pdata) { + cs42l56->pdata = *pdata; + } else { + if (i2c_client->dev.of_node) { + ret = cs42l56_handle_of_data(i2c_client, + &cs42l56->pdata); + if (ret != 0) + return ret; + } + } + + if (cs42l56->pdata.gpio_nreset) { + ret = gpio_request_one(cs42l56->pdata.gpio_nreset, + GPIOF_OUT_INIT_HIGH, "CS42L56 /RST"); + if (ret < 0) { + dev_err(&i2c_client->dev, + "Failed to request /RST %d: %d\n", + cs42l56->pdata.gpio_nreset, ret); + return ret; + } + gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0); + gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1); + } + + + i2c_set_clientdata(i2c_client, cs42l56); + + for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++) + cs42l56->supplies[i].supply = cs42l56_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c_client->dev, + ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); + if (ret != 0) { + dev_err(&i2c_client->dev, + "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); + if (ret != 0) { + dev_err(&i2c_client->dev, + "Failed to enable supplies: %d\n", ret); + return ret; + } + + ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, ®); + if (ret) { + dev_err(&i2c_client->dev, "Failed to read chip ID: %d\n", ret); + goto err_enable; + } + + devid = reg & CS42L56_CHIP_ID_MASK; + if (devid != CS42L56_DEVID) { + dev_err(&i2c_client->dev, + "CS42L56 Device ID (%X). Expected %X\n", + devid, CS42L56_DEVID); + ret = -EINVAL; + goto err_enable; + } + alpha_rev = reg & CS42L56_AREV_MASK; + metal_rev = reg & CS42L56_MTLREV_MASK; + + dev_info(&i2c_client->dev, "Cirrus Logic CS42L56 "); + dev_info(&i2c_client->dev, "Alpha Rev %X Metal Rev %X\n", + alpha_rev, metal_rev); + + if (cs42l56->pdata.ain1a_ref_cfg) + regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, + CS42L56_AIN1A_REF_MASK, + CS42L56_AIN1A_REF_MASK); + + if (cs42l56->pdata.ain1b_ref_cfg) + regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, + CS42L56_AIN1B_REF_MASK, + CS42L56_AIN1B_REF_MASK); + + if (cs42l56->pdata.ain2a_ref_cfg) + regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, + CS42L56_AIN2A_REF_MASK, + CS42L56_AIN2A_REF_MASK); + + if (cs42l56->pdata.ain2b_ref_cfg) + regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, + CS42L56_AIN2B_REF_MASK, + CS42L56_AIN2B_REF_MASK); + + if (cs42l56->pdata.micbias_lvl) + regmap_update_bits(cs42l56->regmap, CS42L56_GAIN_BIAS_CTL, + CS42L56_MIC_BIAS_MASK, + cs42l56->pdata.micbias_lvl); + + if (cs42l56->pdata.chgfreq) + regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL, + CS42L56_CHRG_FREQ_MASK, + cs42l56->pdata.chgfreq); + + if (cs42l56->pdata.hpfb_freq) + regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL, + CS42L56_HPFB_FREQ_MASK, + cs42l56->pdata.hpfb_freq); + + if (cs42l56->pdata.hpfa_freq) + regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL, + CS42L56_HPFA_FREQ_MASK, + cs42l56->pdata.hpfa_freq); + + if (cs42l56->pdata.adaptive_pwr) + regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL, + CS42L56_ADAPT_PWR_MASK, + cs42l56->pdata.adaptive_pwr); + + ret = devm_snd_soc_register_component(&i2c_client->dev, + &soc_component_dev_cs42l56, &cs42l56_dai, 1); + if (ret < 0) + goto err_enable; + + return 0; + +err_enable: + regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); + return ret; +} + +static void cs42l56_i2c_remove(struct i2c_client *client) +{ + struct cs42l56_private *cs42l56 = i2c_get_clientdata(client); + + regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), + cs42l56->supplies); +} + +static const struct of_device_id cs42l56_of_match[] = { + { .compatible = "cirrus,cs42l56", }, + { } +}; +MODULE_DEVICE_TABLE(of, cs42l56_of_match); + + +static const struct i2c_device_id cs42l56_id[] = { + { "cs42l56", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, cs42l56_id); + +static struct i2c_driver cs42l56_i2c_driver = { + .driver = { + .name = "cs42l56", + .of_match_table = cs42l56_of_match, + }, + .id_table = cs42l56_id, + .probe = cs42l56_i2c_probe, + .remove = cs42l56_i2c_remove, +}; + +module_i2c_driver(cs42l56_i2c_driver); + +MODULE_DESCRIPTION("ASoC CS42L56 driver"); +MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>"); +MODULE_LICENSE("GPL"); |