// SPDX-License-Identifier: GPL-2.0-only /* * ALSA SoC TWL6040 codec driver * * Author: Misael Lopez Cruz <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/mfd/twl6040.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 "twl6040.h" enum twl6040_dai_id { … }; #define TWL6040_RATES … #define TWL6040_FORMATS … #define TWL6040_OUTHS_0dB … #define TWL6040_OUTHS_M30dB … #define TWL6040_OUTHF_0dB … #define TWL6040_OUTHF_M52dB … #define TWL6040_CACHEREGNUM … struct twl6040_jack_data { … }; /* codec private data */ struct twl6040_data { … }; /* set of rates for each pll: low-power and high-performance */ static const unsigned int lp_rates[] = …; static const unsigned int hp_rates[] = …; static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = …; #define to_twl6040(component) … static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg) { … } static bool twl6040_can_write_to_chip(struct snd_soc_component *component, unsigned int reg) { … } static inline void twl6040_update_dl12_cache(struct snd_soc_component *component, u8 reg, u8 value) { … } static int twl6040_write(struct snd_soc_component *component, unsigned int reg, unsigned int value) { … } static void twl6040_init_chip(struct snd_soc_component *component) { … } /* set headset dac and driver power mode */ static int headset_power_mode(struct snd_soc_component *component, int high_perf) { … } static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static void twl6040_hs_jack_report(struct snd_soc_component *component, struct snd_soc_jack *jack, int report) { … } void twl6040_hs_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, int report) { … } EXPORT_SYMBOL_GPL(…); static void twl6040_accessory_work(struct work_struct *work) { … } /* audio interrupt handler */ static irqreturn_t twl6040_audio_handler(int irq, void *data) { … } static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* * MICATT volume control: * from -6 to 0 dB in 6 dB steps */ static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); /* * MICGAIN volume control: * from 6 to 30 dB in 6 dB steps */ static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); /* * AFMGAIN volume control: * from -18 to 24 dB in 6 dB steps */ static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); /* * HSGAIN volume control: * from -30 to 0 dB in 2 dB steps */ static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); /* * HFGAIN volume control: * from -52 to 6 dB in 2 dB steps */ static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); /* * EPGAIN volume control: * from -24 to 6 dB in 2 dB steps */ static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); /* Left analog microphone selection */ static const char *twl6040_amicl_texts[] = …; /* Right analog microphone selection */ static const char *twl6040_amicr_texts[] = …; static const struct soc_enum twl6040_enum[] = …; static const char *twl6040_hs_texts[] = …; static const struct soc_enum twl6040_hs_enum[] = …; static const char *twl6040_hf_texts[] = …; static const struct soc_enum twl6040_hf_enum[] = …; static const char *twl6040_vibrapath_texts[] = …; static const struct soc_enum twl6040_vibra_enum[] = …; static const struct snd_kcontrol_new amicl_control = …; static const struct snd_kcontrol_new amicr_control = …; /* Headset DAC playback switches */ static const struct snd_kcontrol_new hsl_mux_controls = …; static const struct snd_kcontrol_new hsr_mux_controls = …; /* Handsfree DAC playback switches */ static const struct snd_kcontrol_new hfl_mux_controls = …; static const struct snd_kcontrol_new hfr_mux_controls = …; static const struct snd_kcontrol_new ep_path_enable_control = …; static const struct snd_kcontrol_new auxl_switch_control = …; static const struct snd_kcontrol_new auxr_switch_control = …; /* Vibra playback switches */ static const struct snd_kcontrol_new vibral_mux_controls = …; static const struct snd_kcontrol_new vibrar_mux_controls = …; /* Headset power mode */ static const char *twl6040_power_mode_texts[] = …; static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum, twl6040_power_mode_texts); static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } int twl6040_get_dl1_gain(struct snd_soc_component *component) { … } EXPORT_SYMBOL_GPL(…); int twl6040_get_clk_id(struct snd_soc_component *component) { … } EXPORT_SYMBOL_GPL(…); int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim) { … } EXPORT_SYMBOL_GPL(…); int twl6040_get_hs_step_size(struct snd_soc_component *component) { … } EXPORT_SYMBOL_GPL(…); static const struct snd_kcontrol_new twl6040_snd_controls[] = …; static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = …; static const struct snd_soc_dapm_route intercon[] = …; static int twl6040_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int twl6040_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int twl6040_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int twl6040_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { … } static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id, int mute) { … } static int twl6040_mute_stream(struct snd_soc_dai *dai, int mute, int direction) { … } static const struct snd_soc_dai_ops twl6040_dai_ops = …; static struct snd_soc_dai_driver twl6040_dai[] = …; static int twl6040_probe(struct snd_soc_component *component) { … } static void twl6040_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_twl6040 = …; static int twl6040_codec_probe(struct platform_device *pdev) { … } static struct platform_driver twl6040_codec_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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