// SPDX-License-Identifier: GPL-2.0-only /* * wm8994.c -- WM8994 ALSA SoC Audio driver * * Copyright 2009-12 Wolfson Microelectronics plc * * Author: Mark Brown <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/gcd.h> #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #include <trace/events/asoc.h> #include <linux/mfd/wm8994/core.h> #include <linux/mfd/wm8994/registers.h> #include <linux/mfd/wm8994/pdata.h> #include <linux/mfd/wm8994/gpio.h> #include "wm8994.h" #include "wm_hubs.h" #define WM1811_JACKDET_MODE_NONE … #define WM1811_JACKDET_MODE_JACK … #define WM1811_JACKDET_MODE_MIC … #define WM1811_JACKDET_MODE_AUDIO … #define WM8994_NUM_DRC … #define WM8994_NUM_EQ … struct wm8994_reg_mask { … }; static struct wm8994_reg_mask wm8994_vu_bits[] = …; /* VU bitfields for ADC2, DAC2 not available on WM1811 */ static struct wm8994_reg_mask wm8994_adc2_dac2_vu_bits[] = …; static int wm8994_drc_base[] = …; static int wm8994_retune_mobile_base[] = …; static const struct wm8958_micd_rate micdet_rates[] = …; static const struct wm8958_micd_rate jackdet_rates[] = …; static void wm8958_micd_set_rate(struct snd_soc_component *component) { … } static int configure_aif_clock(struct snd_soc_component *component, int aif) { … } static int configure_clock(struct snd_soc_component *component) { … } static int check_clk_sys(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { … } static const char *sidetone_hpf_text[] = …; static SOC_ENUM_SINGLE_DECL(sidetone_hpf, WM8994_SIDETONE, 7, sidetone_hpf_text); static const char *adc_hpf_text[] = …; static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf, WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text); static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf, WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text); static SOC_ENUM_SINGLE_DECL(aif2adc_hpf, WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text); static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0); static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0); #define WM8994_DRC_SWITCH(xname, reg, shift) … static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static void wm8994_set_drc(struct snd_soc_component *component, int drc) { … } /* Icky as hell but saves code duplication */ static int wm8994_get_drc(const char *name) { … } static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static void wm8994_set_retune_mobile(struct snd_soc_component *component, int block) { … } /* Icky as hell but saves code duplication */ static int wm8994_get_retune_mobile_block(const char *name) { … } static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char *aif_chan_src_text[] = …; static SOC_ENUM_SINGLE_DECL(aif1adcl_src, WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif1adcr_src, WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif2adcl_src, WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif2adcr_src, WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif1dacl_src, WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif1dacr_src, WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif2dacl_src, WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text); static SOC_ENUM_SINGLE_DECL(aif2dacr_src, WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text); static const char *osr_text[] = …; static SOC_ENUM_SINGLE_DECL(dac_osr, WM8994_OVERSAMPLING, 0, osr_text); static SOC_ENUM_SINGLE_DECL(adc_osr, WM8994_OVERSAMPLING, 1, osr_text); static const struct snd_kcontrol_new wm8994_common_snd_controls[] = …; /* Controls not available on WM1811 */ static const struct snd_kcontrol_new wm8994_snd_controls[] = …; static const struct snd_kcontrol_new wm8994_eq_controls[] = …; static const struct snd_kcontrol_new wm8994_drc_controls[] = …; static const char *wm8958_ng_text[] = …; static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold, WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT, wm8958_ng_text); static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold, WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT, wm8958_ng_text); static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold, WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT, wm8958_ng_text); static const struct snd_kcontrol_new wm8958_snd_controls[] = …; /* We run all mode setting through a function to enforce audio mode */ static void wm1811_jackdet_set_mode(struct snd_soc_component *component, u16 mode) { … } static void active_reference(struct snd_soc_component *component) { … } static void active_dereference(struct snd_soc_component *component) { … } static int clk_sys_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static void vmid_reference(struct snd_soc_component *component) { … } static void vmid_dereference(struct snd_soc_component *component) { … } static int vmid_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static bool wm8994_check_class_w_digital(struct snd_soc_component *component) { … } static void wm8994_update_vu_bits(struct snd_soc_component *component) { … } static int aif_mclk_set(struct snd_soc_component *component, int aif, bool enable) { … } static int aif1clk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int aif2clk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int aif1clk_late_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int aif2clk_late_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int late_enable_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int late_disable_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int adc_mux_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int micbias_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int dac_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const char *adc_mux_text[] = …; static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text); static const struct snd_kcontrol_new adcl_mux = …; static const struct snd_kcontrol_new adcr_mux = …; static const struct snd_kcontrol_new left_speaker_mixer[] = …; static const struct snd_kcontrol_new right_speaker_mixer[] = …; /* Debugging; dump chip status after DAPM transitions */ static int post_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_kcontrol_new aif1adc1l_mix[] = …; static const struct snd_kcontrol_new aif1adc1r_mix[] = …; static const struct snd_kcontrol_new aif1adc2l_mix[] = …; static const struct snd_kcontrol_new aif1adc2r_mix[] = …; static const struct snd_kcontrol_new aif2dac2l_mix[] = …; static const struct snd_kcontrol_new aif2dac2r_mix[] = …; #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) … static int wm8994_put_class_w(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new dac1l_mix[] = …; static const struct snd_kcontrol_new dac1r_mix[] = …; static const char *sidetone_text[] = …; static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8994_SIDETONE, 0, sidetone_text); static const struct snd_kcontrol_new sidetone1_mux = …; static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8994_SIDETONE, 1, sidetone_text); static const struct snd_kcontrol_new sidetone2_mux = …; static const char *aif1dac_text[] = …; static const char *loopback_text[] = …; static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum, WM8994_AIF1_CONTROL_2, WM8994_AIF1_LOOPBACK_SHIFT, loopback_text); static const struct snd_kcontrol_new aif1_loopback = …; static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum, WM8994_AIF2_CONTROL_2, WM8994_AIF2_LOOPBACK_SHIFT, loopback_text); static const struct snd_kcontrol_new aif2_loopback = …; static SOC_ENUM_SINGLE_DECL(aif1dac_enum, WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text); static const struct snd_kcontrol_new aif1dac_mux = …; static const char *aif2dac_text[] = …; static SOC_ENUM_SINGLE_DECL(aif2dac_enum, WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text); static const struct snd_kcontrol_new aif2dac_mux = …; static const char *aif2adc_text[] = …; static SOC_ENUM_SINGLE_DECL(aif2adc_enum, WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text); static const struct snd_kcontrol_new aif2adc_mux = …; static const char *aif3adc_text[] = …; static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum, WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text); static const struct snd_kcontrol_new wm8994_aif3adc_mux = …; static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum, WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text); static const struct snd_kcontrol_new wm8958_aif3adc_mux = …; static const char *mono_pcm_out_text[] = …; static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum, WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text); static const struct snd_kcontrol_new mono_pcm_out_mux = …; static const char *aif2dac_src_text[] = …; /* Note that these two control shouldn't be simultaneously switched to AIF3 */ static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum, WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text); static const struct snd_kcontrol_new aif2dacl_src_mux = …; static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum, WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text); static const struct snd_kcontrol_new aif2dacr_src_mux = …; static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = …; static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = …; static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = …; static const struct snd_soc_dapm_route intercon[] = …; static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = …; static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = …; static const struct snd_soc_dapm_route wm8994_revd_intercon[] = …; static const struct snd_soc_dapm_route wm8994_intercon[] = …; static const struct snd_soc_dapm_route wm8958_intercon[] = …; /* The size in bits of the FLL divide multiplied by 10 * to allow rounding later */ #define FIXED_FLL_SIZE … struct fll_div { … }; static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll, int freq_in, int freq_out) { … } static int _wm8994_set_fll(struct snd_soc_component *component, int id, int src, unsigned int freq_in, unsigned int freq_out) { … } static irqreturn_t wm8994_fll_locked_irq(int irq, void *data) { … } static int opclk_divs[] = …; static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src, unsigned int freq_in, unsigned int freq_out) { … } static int wm8994_set_mclk_rate(struct wm8994_priv *wm8994, unsigned int id, unsigned int *freq) { … } static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int wm8994_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } int wm8994_vmid_mode(struct snd_soc_component *component, enum wm8994_vmid_mode mode) { … } static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static struct { … } srs[] = …; static int fs_ratios[] = …; static int bclk_divs[] = …; static int wm8994_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { … } static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate) { … } static int wm8994_aif2_probe(struct snd_soc_dai *dai) { … } #define WM8994_RATES … #define WM8994_FORMATS … static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = …; static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = …; static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = …; static struct snd_soc_dai_driver wm8994_dai[] = …; #ifdef CONFIG_PM static int wm8994_component_suspend(struct snd_soc_component *component) { … } static int wm8994_component_resume(struct snd_soc_component *component) { … } #else #define wm8994_component_suspend … #define wm8994_component_resume … #endif static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994) { … } static void wm8994_handle_pdata(struct wm8994_priv *wm8994) { … } /** * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ * * @component: WM8994 component * @jack: jack to report detection events on * @micbias: microphone bias to detect on * * Enable microphone detection via IRQ on the WM8994. If GPIOs are * being used to bring out signals to the processor then only platform * data configuration is needed for WM8994 and processor GPIOs should * be configured using snd_soc_jack_add_gpios() instead. * * Configuration of detection levels is available via the micbias1_lvl * and micbias2_lvl platform data members. */ int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, int micbias) { … } EXPORT_SYMBOL_GPL(…); static void wm8994_mic_work(struct work_struct *work) { … } static irqreturn_t wm8994_mic_irq(int irq, void *data) { … } /* Should be called with accdet_lock held */ static void wm1811_micd_stop(struct snd_soc_component *component) { … } static void wm8958_button_det(struct snd_soc_component *component, u16 status) { … } static void wm8958_open_circuit_work(struct work_struct *work) { … } static void wm8958_mic_id(void *data, u16 status) { … } /* Deferred mic detection to allow for extra settling time */ static void wm1811_mic_work(struct work_struct *work) { … } static irqreturn_t wm1811_jackdet_irq(int irq, void *data) { … } static void wm1811_jackdet_bootstrap(struct work_struct *work) { … } /** * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ * * @component: WM8958 component * @jack: jack to report detection events on * @det_cb: detection callback * @det_cb_data: data for detection callback * @id_cb: mic id callback * @id_cb_data: data for mic id callback * * Enable microphone detection functionality for the WM8958. By * default simple detection which supports the detection of up to 6 * buttons plus video and microphone functionality is supported. * * The WM8958 has an advanced jack detection facility which is able to * support complex accessory detection, especially when used in * conjunction with external circuitry. In order to provide maximum * flexiblity a callback is provided which allows a completely custom * detection algorithm. */ int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, wm1811_micdet_cb det_cb, void *det_cb_data, wm1811_mic_id_cb id_cb, void *id_cb_data) { … } EXPORT_SYMBOL_GPL(…); static void wm8958_mic_work(struct work_struct *work) { … } static irqreturn_t wm8958_mic_irq(int irq, void *data) { … } static irqreturn_t wm8994_fifo_error(int irq, void *data) { … } static irqreturn_t wm8994_temp_warn(int irq, void *data) { … } static irqreturn_t wm8994_temp_shut(int irq, void *data) { … } static int wm8994_component_probe(struct snd_soc_component *component) { … } static void wm8994_component_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_wm8994 = …; static int wm8994_probe(struct platform_device *pdev) { … } static void wm8994_remove(struct platform_device *pdev) { … } #ifdef CONFIG_PM_SLEEP static int wm8994_suspend(struct device *dev) { … } static int wm8994_resume(struct device *dev) { … } #endif static const struct dev_pm_ops wm8994_pm_ops = …; static struct platform_driver wm8994_codec_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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