// SPDX-License-Identifier: GPL-2.0-or-later /* * wm8996.c - WM8996 audio codec interface * * Copyright 2011-2 Wolfson Microelectronics PLC. * Author: Mark Brown <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/completion.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/gcd.h> #include <linux/gpio/driver.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/workqueue.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 <sound/wm8996.h> #include "wm8996.h" #define WM8996_AIFS … #define HPOUT1L … #define HPOUT1R … #define HPOUT2L … #define HPOUT2R … #define WM8996_NUM_SUPPLIES … static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = …; struct wm8996_priv { … }; /* We can't use the same notifier block for more than one supply and * there's no way I can see to get from a callback to the caller * except container_of(). */ #define WM8996_REGULATOR_EVENT(n) … WM8996_REGULATOR_EVENT(…) WM8996_REGULATOR_EVENT(…) WM8996_REGULATOR_EVENT(…) static const struct reg_default wm8996_reg[] = …; static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0); static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0); static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1); static const char *sidetone_hpf_text[] = …; static SOC_ENUM_SINGLE_DECL(sidetone_hpf, WM8996_SIDETONE, 7, sidetone_hpf_text); static const char *hpf_mode_text[] = …; static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode, WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text); static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode, WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text); static const char *hpf_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff, WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text); static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff, WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text); static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block) { … } /* Icky as hell but saves code duplication */ static int wm8996_get_retune_mobile_block(const char *name) { … } static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new wm8996_snd_controls[] = …; static const struct snd_kcontrol_new wm8996_eq_controls[] = …; static void wm8996_bg_enable(struct snd_soc_component *component) { … } static void wm8996_bg_disable(struct snd_soc_component *component) { … } static int bg_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int cp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rmv_short_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask) { … } static void wm8996_seq_notifier(struct snd_soc_component *component, enum snd_soc_dapm_type event, int subseq) { … } static int dcs_start(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const char *sidetone_text[] = …; static SOC_ENUM_SINGLE_DECL(left_sidetone_enum, WM8996_SIDETONE, 0, sidetone_text); static const struct snd_kcontrol_new left_sidetone = …; static SOC_ENUM_SINGLE_DECL(right_sidetone_enum, WM8996_SIDETONE, 1, sidetone_text); static const struct snd_kcontrol_new right_sidetone = …; static const char *spk_text[] = …; static SOC_ENUM_SINGLE_DECL(spkl_enum, WM8996_LEFT_PDM_SPEAKER, 0, spk_text); static const struct snd_kcontrol_new spkl_mux = …; static SOC_ENUM_SINGLE_DECL(spkr_enum, WM8996_RIGHT_PDM_SPEAKER, 0, spk_text); static const struct snd_kcontrol_new spkr_mux = …; static const char *dsp1rx_text[] = …; static SOC_ENUM_SINGLE_DECL(dsp1rx_enum, WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text); static const struct snd_kcontrol_new dsp1rx = …; static const char *dsp2rx_text[] = …; static SOC_ENUM_SINGLE_DECL(dsp2rx_enum, WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text); static const struct snd_kcontrol_new dsp2rx = …; static const char *aif2tx_text[] = …; static SOC_ENUM_SINGLE_DECL(aif2tx_enum, WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text); static const struct snd_kcontrol_new aif2tx = …; static const char *inmux_text[] = …; static SOC_ENUM_SINGLE_DECL(in1_enum, WM8996_POWER_MANAGEMENT_7, 0, inmux_text); static const struct snd_kcontrol_new in1_mux = …; static SOC_ENUM_SINGLE_DECL(in2_enum, WM8996_POWER_MANAGEMENT_7, 4, inmux_text); static const struct snd_kcontrol_new in2_mux = …; static const struct snd_kcontrol_new dac2r_mix[] = …; static const struct snd_kcontrol_new dac2l_mix[] = …; static const struct snd_kcontrol_new dac1r_mix[] = …; static const struct snd_kcontrol_new dac1l_mix[] = …; static const struct snd_kcontrol_new dsp1txl[] = …; static const struct snd_kcontrol_new dsp1txr[] = …; static const struct snd_kcontrol_new dsp2txl[] = …; static const struct snd_kcontrol_new dsp2txr[] = …; static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm8996_dapm_routes[] = …; static bool wm8996_readable_register(struct device *dev, unsigned int reg) { … } static bool wm8996_volatile_register(struct device *dev, unsigned int reg) { … } static const int bclk_divs[] = …; static void wm8996_update_bclk(struct snd_soc_component *component) { … } static int wm8996_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static const int dsp_divs[] = …; static int wm8996_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8996_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } struct _fll_div { … }; static struct { … } fll_fratios[] = …; static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, unsigned int Fout) { … } static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source, unsigned int Fref, unsigned int Fout) { … } #ifdef CONFIG_GPIOLIB static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { … } static int wm8996_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { … } static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset) { … } static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { … } static const struct gpio_chip wm8996_template_chip = …; static void wm8996_init_gpio(struct wm8996_priv *wm8996) { … } static void wm8996_free_gpio(struct wm8996_priv *wm8996) { … } #else static void wm8996_init_gpio(struct wm8996_priv *wm8996) { } static void wm8996_free_gpio(struct wm8996_priv *wm8996) { } #endif /** * wm8996_detect - Enable default WM8996 jack detection * @component: ASoC component * @jack: jack pointer * @polarity_cb: polarity callback * * The WM8996 has advanced accessory detection support for headsets. * This function provides a default implementation which integrates * the majority of this functionality with minimal user configuration. * * This will detect headset, headphone and short circuit button and * will also detect inverted microphone ground connections and update * the polarity of the connections. */ int wm8996_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, wm8996_polarity_fn polarity_cb) { … } EXPORT_SYMBOL_GPL(…); static void wm8996_hpdet_irq(struct snd_soc_component *component) { … } static void wm8996_hpdet_start(struct snd_soc_component *component) { … } static void wm8996_report_headphone(struct snd_soc_component *component) { … } static void wm8996_micd(struct snd_soc_component *component) { … } static irqreturn_t wm8996_irq(int irq, void *data) { … } static irqreturn_t wm8996_edge_irq(int irq, void *data) { … } static void wm8996_retune_mobile_pdata(struct snd_soc_component *component) { … } static const struct regmap_config wm8996_regmap = …; static int wm8996_probe(struct snd_soc_component *component) { … } static void wm8996_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_wm8996 = …; #define WM8996_RATES … #define WM8996_FORMATS … static const struct snd_soc_dai_ops wm8996_dai_ops = …; static struct snd_soc_dai_driver wm8996_dai[] = …; static int wm8996_i2c_probe(struct i2c_client *i2c) { … } static void wm8996_i2c_remove(struct i2c_client *client) { … } static const struct i2c_device_id wm8996_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id); static struct i2c_driver wm8996_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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