// SPDX-License-Identifier: GPL-2.0-only /* * wm8350.c -- WM8350 ALSA SoC audio driver * * Copyright (C) 2007-12 Wolfson Microelectronics PLC. * * Author: Liam Girdwood <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/platform_device.h> #include <linux/mfd/wm8350/audio.h> #include <linux/mfd/wm8350/core.h> #include <linux/regulator/consumer.h> #include <sound/core.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 "wm8350.h" #define WM8350_OUTn_0dB … #define WM8350_RAMP_NONE … #define WM8350_RAMP_UP … #define WM8350_RAMP_DOWN … /* We only include the analogue supplies here; the digital supplies * need to be available well before this driver can be probed. */ static const char *supply_names[] = …; struct wm8350_output { … }; struct wm8350_jack_data { … }; struct wm8350_data { … }; /* * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown. */ static inline int wm8350_out1_ramp_step(struct wm8350_data *wm8350_data) { … } /* * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown. */ static inline int wm8350_out2_ramp_step(struct wm8350_data *wm8350_data) { … } /* * This work ramps both output PGAs at stream start/stop time to * minimise pop associated with DAPM power switching. * It's best to enable Zero Cross when ramping occurs to minimise any * zipper noises. */ static void wm8350_pga_work(struct work_struct *work) { … } /* * WM8350 Controls */ static int pga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char *wm8350_deemp[] = …; static const char *wm8350_pol[] = …; static const char *wm8350_dacmutem[] = …; static const char *wm8350_dacmutes[] = …; static const char *wm8350_adcfilter[] = …; static const char *wm8350_adchp[] = …; static const char *wm8350_lr[] = …; static const struct soc_enum wm8350_enum[] = …; static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0); static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0); static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1); static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1); static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1); static const DECLARE_TLV_DB_RANGE(capture_sd_tlv, 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1), 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0) ); static const struct snd_kcontrol_new wm8350_snd_controls[] = …; /* * DAPM Controls */ /* Left Playback Mixer */ static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = …; /* Right Playback Mixer */ static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = …; /* Out4 Mixer */ static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = …; /* Out3 Mixer */ static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = …; /* Left Input Mixer */ static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = …; /* Right Input Mixer */ static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = …; /* Left Mic Mixer */ static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = …; /* Right Mic Mixer */ static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = …; /* Beep Switch */ static const struct snd_kcontrol_new wm8350_beep_switch_controls = …; /* Out4 Capture Mux */ static const struct snd_kcontrol_new wm8350_out4_capture_controls = …; static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm8350_dapm_routes[] = …; static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { … } static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) { … } static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *codec_dai) { … } static int wm8350_mute(struct snd_soc_dai *dai, int mute, int direction) { … } /* FLL divisors */ struct _fll_div { … }; /* The size in bits of the fll divide multiplied by 10 * to allow rounding later */ #define FIXED_FLL_SIZE … static inline int fll_factors(struct _fll_div *fll_div, unsigned int input, unsigned int output) { … } static int wm8350_set_fll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int wm8350_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static void wm8350_hp_work(struct wm8350_data *priv, struct wm8350_jack_data *jack, u16 mask) { … } static void wm8350_hpl_work(struct work_struct *work) { … } static void wm8350_hpr_work(struct work_struct *work) { … } static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data) { … } static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data) { … } /** * wm8350_hp_jack_detect - Enable headphone jack detection. * * @component: WM8350 component * @which: left or right jack detect signal * @jack: jack to report detection events on * @report: value to report * * Enables the headphone jack detection of the WM8350. If no report * is specified then detection is disabled. */ int wm8350_hp_jack_detect(struct snd_soc_component *component, enum wm8350_jack which, struct snd_soc_jack *jack, int report) { … } EXPORT_SYMBOL_GPL(…); static irqreturn_t wm8350_mic_handler(int irq, void *data) { … } /** * wm8350_mic_jack_detect - Enable microphone jack detection. * * @component: WM8350 component * @jack: jack to report detection events on * @detect_report: value to report when presence detected * @short_report: value to report when microphone short detected * * Enables the microphone jack detection of the WM8350. If both reports * are specified as zero then detection is disabled. */ int wm8350_mic_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, int detect_report, int short_report) { … } EXPORT_SYMBOL_GPL(…); #define WM8350_RATES … #define WM8350_FORMATS … static const struct snd_soc_dai_ops wm8350_dai_ops = …; static struct snd_soc_dai_driver wm8350_dai = …; static int wm8350_component_probe(struct snd_soc_component *component) { … } static void wm8350_component_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_wm8350 = …; static int wm8350_probe(struct platform_device *pdev) { … } static struct platform_driver wm8350_codec_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
Codebase Browser
linux