// SPDX-License-Identifier: GPL-2.0-or-later /* * wm9713.c -- ALSA Soc WM9713 codec support * * Copyright 2006-10 Wolfson Microelectronics PLC. * Author: Liam Girdwood <[email protected]> * * Features:- * * o Support for AC97 Codec, Voice DAC and Aux DAC * o Support for DAPM */ #include <linux/init.h> #include <linux/slab.h> #include <linux/mfd/wm97xx.h> #include <linux/module.h> #include <linux/device.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/ac97/codec.h> #include <sound/ac97/compat.h> #include <sound/initval.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <sound/soc.h> #include "wm9713.h" #define WM9713_VENDOR_ID … #define WM9713_VENDOR_ID_MASK … struct wm9713_priv { … }; #define HPL_MIXER … #define HPR_MIXER … static const char *wm9713_mic_mixer[] = …; static const char *wm9713_rec_mux[] = …; static const char *wm9713_rec_src[] = …; static const char *wm9713_rec_gain[] = …; static const char *wm9713_alc_select[] = …; static const char *wm9713_mono_pga[] = …; static const char *wm9713_spk_pga[] = …; static const char *wm9713_hp_pga[] = …; static const char *wm9713_out3_pga[] = …; static const char *wm9713_out4_pga[] = …; static const char *wm9713_dac_inv[] = …; static const char *wm9713_bass[] = …; static const char *wm9713_ng_type[] = …; static const char *wm9713_mic_select[] = …; static const char *wm9713_micb_select[] = …; static const struct soc_enum wm9713_enum[] = …; static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0); static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0); static const DECLARE_TLV_DB_RANGE(mic_tlv, 0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0), 3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0) ); static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = …; static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const unsigned int wm9713_mixer_mute_regs[] = …; /* We have to create a fake left and right HP mixers because * the codec only has a single control that is shared by both channels. * This makes it impossible to determine the audio path using the current * register map, thus we add a new (virtual) register to help determine the * audio route within the device. */ static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) … /* Left Headphone Mixers */ static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = …; /* Right Headphone Mixers */ static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = …; /* headphone capture mux */ static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls = …; /* headphone mic mux */ static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls = …; /* Speaker Mixer */ static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = …; /* Mono Mixer */ static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = …; /* mono mic mux */ static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls = …; /* mono output mux */ static const struct snd_kcontrol_new wm9713_mono_mux_controls = …; /* speaker left output mux */ static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls = …; /* speaker right output mux */ static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls = …; /* headphone left output mux */ static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls = …; /* headphone right output mux */ static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls = …; /* Out3 mux */ static const struct snd_kcontrol_new wm9713_out3_mux_controls = …; /* Out4 mux */ static const struct snd_kcontrol_new wm9713_out4_mux_controls = …; /* DAC inv mux 1 */ static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls = …; /* DAC inv mux 2 */ static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls = …; /* Capture source left */ static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls = …; /* Capture source right */ static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls = …; /* mic source */ static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls = …; /* mic source B virtual control */ static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls = …; static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm9713_audio_map[] = …; static bool wm9713_readable_reg(struct device *dev, unsigned int reg) { … } static bool wm9713_writeable_reg(struct device *dev, unsigned int reg) { … } static const struct reg_default wm9713_reg_defaults[] = …; static const struct regmap_config wm9713_regmap_config = …; /* PLL divisors */ struct _pll_div { … }; /* The size in bits of the PLL divide multiplied by 10 * to allow rounding later */ #define FIXED_PLL_SIZE … static void pll_factors(struct snd_soc_component *component, struct _pll_div *pll_div, unsigned int source) { … } /* * Please note that changing the PLL input frequency may require * resynchronisation with the AC97 controller. */ static int wm9713_set_pll(struct snd_soc_component *component, int pll_id, unsigned int freq_in, unsigned int freq_out) { … } static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } /* * Tristate the PCM DAI lines, tristate can be disabled by calling * wm9713_set_dai_fmt() */ static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai, int tristate) { … } /* * Configure WM9713 clock dividers. * Voice DAC needs 256 FS */ static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) { … } static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ac97_hifi_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int ac97_aux_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } #define WM9713_RATES … #define WM9713_PCM_RATES … #define WM9713_PCM_FORMATS … static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = …; static const struct snd_soc_dai_ops wm9713_dai_ops_aux = …; static const struct snd_soc_dai_ops wm9713_dai_ops_voice = …; static struct snd_soc_dai_driver wm9713_dai[] = …; static int wm9713_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int wm9713_soc_suspend(struct snd_soc_component *component) { … } static int wm9713_soc_resume(struct snd_soc_component *component) { … } static int wm9713_soc_probe(struct snd_soc_component *component) { … } static void wm9713_soc_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_wm9713 = …; static int wm9713_probe(struct platform_device *pdev) { … } static struct platform_driver wm9713_codec_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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