// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the PCM512x CODECs * * Author: Mark Brown <[email protected]> * Copyright 2014 Linaro Ltd */ #include <linux/init.h> #include <linux/module.h> #include <linux/clk.h> #include <linux/kernel.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/gcd.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include "pcm512x.h" #define PCM512x_NUM_SUPPLIES … static const char * const pcm512x_supply_names[PCM512x_NUM_SUPPLIES] = …; struct pcm512x_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 PCM512x_REGULATOR_EVENT(n) … PCM512x_REGULATOR_EVENT(…) PCM512x_REGULATOR_EVENT(…) PCM512x_REGULATOR_EVENT(…) static const struct reg_default pcm512x_reg_defaults[] = …; static bool pcm512x_readable(struct device *dev, unsigned int reg) { … } static bool pcm512x_volatile(struct device *dev, unsigned int reg) { … } static int pcm512x_overclock_pll_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_overclock_pll_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_overclock_dsp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_overclock_dsp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_overclock_dac_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_overclock_dac_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_SCALE(digital_tlv, -10350, 50, 1); static const DECLARE_TLV_DB_SCALE(analog_tlv, -600, 600, 0); static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 80, 0); static const char * const pcm512x_dsp_program_texts[] = …; static const unsigned int pcm512x_dsp_program_values[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(pcm512x_dsp_program, PCM512x_DSP_PROGRAM, 0, 0x1f, pcm512x_dsp_program_texts, pcm512x_dsp_program_values); static const char * const pcm512x_clk_missing_text[] = …; static const struct soc_enum pcm512x_clk_missing = …; static const char * const pcm512x_autom_text[] = …; static const struct soc_enum pcm512x_autom_l = …; static const struct soc_enum pcm512x_autom_r = …; static const char * const pcm512x_ramp_rate_text[] = …; static const struct soc_enum pcm512x_vndf = …; static const struct soc_enum pcm512x_vnuf = …; static const struct soc_enum pcm512x_vedf = …; static const char * const pcm512x_ramp_step_text[] = …; static const struct soc_enum pcm512x_vnds = …; static const struct soc_enum pcm512x_vnus = …; static const struct soc_enum pcm512x_veds = …; static int pcm512x_update_mute(struct pcm512x_priv *pcm512x) { … } static int pcm512x_digital_playback_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int pcm512x_digital_playback_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new pcm512x_controls[] = …; static const struct snd_soc_dapm_widget pcm512x_dapm_widgets[] = …; static const struct snd_soc_dapm_route pcm512x_dapm_routes[] = …; static unsigned long pcm512x_pll_max(struct pcm512x_priv *pcm512x) { … } static unsigned long pcm512x_dsp_max(struct pcm512x_priv *pcm512x) { … } static unsigned long pcm512x_dac_max(struct pcm512x_priv *pcm512x, unsigned long rate) { … } static unsigned long pcm512x_sck_max(struct pcm512x_priv *pcm512x) { … } static unsigned long pcm512x_ncp_target(struct pcm512x_priv *pcm512x, unsigned long dac_rate) { … } static const u32 pcm512x_dai_rates[] = …; static const struct snd_pcm_hw_constraint_list constraints_slave = …; static int pcm512x_hw_rule_rate(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { … } static int pcm512x_dai_startup_master(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int pcm512x_dai_startup_slave(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int pcm512x_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int pcm512x_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static unsigned long pcm512x_find_sck(struct snd_soc_dai *dai, unsigned long bclk_rate) { … } /* pll_rate = pllin_rate * R * J.D / P * 1 <= R <= 16 * 1 <= J <= 63 * 0 <= D <= 9999 * 1 <= P <= 15 * 64 MHz <= pll_rate <= 100 MHz * if D == 0 * 1 MHz <= pllin_rate / P <= 20 MHz * else if D > 0 * 6.667 MHz <= pllin_rate / P <= 20 MHz * 4 <= J <= 11 * R = 1 */ static int pcm512x_find_pll_coeff(struct snd_soc_dai *dai, unsigned long pllin_rate, unsigned long pll_rate) { … } static unsigned long pcm512x_pllin_dac_rate(struct snd_soc_dai *dai, unsigned long osr_rate, unsigned long pllin_rate) { … } static int pcm512x_set_dividers(struct snd_soc_dai *dai, struct snd_pcm_hw_params *params) { … } static int pcm512x_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int pcm512x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int pcm512x_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) { … } static int pcm512x_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static const struct snd_soc_dai_ops pcm512x_dai_ops = …; static struct snd_soc_dai_driver pcm512x_dai = …; static const struct snd_soc_component_driver pcm512x_component_driver = …; static const struct regmap_range_cfg pcm512x_range = …; const struct regmap_config pcm512x_regmap = …; EXPORT_SYMBOL_GPL(…); int pcm512x_probe(struct device *dev, struct regmap *regmap) { … } EXPORT_SYMBOL_GPL(…); void pcm512x_remove(struct device *dev) { … } EXPORT_SYMBOL_GPL(…); #ifdef CONFIG_PM static int pcm512x_suspend(struct device *dev) { … } static int pcm512x_resume(struct device *dev) { … } #endif const struct dev_pm_ops pcm512x_pm_ops = …; EXPORT_SYMBOL_GPL(…); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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