// SPDX-License-Identifier: GPL-2.0 // // cs35l36.c -- CS35L36 ALSA SoC audio driver // // Copyright 2018 Cirrus Logic, Inc. // // Author: James Schulman <[email protected]> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> #include <linux/irq.h> #include <linux/of.h> #include <linux/regmap.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 <sound/cs35l36.h> #include <linux/completion.h> #include "cs35l36.h" /* * Some fields take zero as a valid value so use a high bit flag that won't * get written to the device to mark those. */ #define CS35L36_VALID_PDATA … static const char * const cs35l36_supplies[] = …; struct cs35l36_private { … }; struct cs35l36_pll_config { … }; static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = …; static struct reg_default cs35l36_reg[] = …; static bool cs35l36_readable_reg(struct device *dev, unsigned int reg) { … } static bool cs35l36_precious_reg(struct device *dev, unsigned int reg) { … } static bool cs35l36_volatile_reg(struct device *dev, unsigned int reg) { … } static const DECLARE_TLV_DB_RANGE(dig_vol_tlv, 0, 912, TLV_DB_MINMAX_ITEM(-10200, 1200)); static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1); static const char * const cs35l36_pcm_sftramp_text[] = …; static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp, CS35L36_AMP_DIG_VOL_CTRL, 0, cs35l36_pcm_sftramp_text); static int cs35l36_ldm_sel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int cs35l36_ldm_sel_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new cs35l36_aud_controls[] = …; static int cs35l36_main_amp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int cs35l36_boost_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const char * const cs35l36_chan_text[] = …; static SOC_ENUM_SINGLE_DECL(chansel_enum, CS35L36_ASP_RX1_SLOT, 0, cs35l36_chan_text); static const struct snd_kcontrol_new cs35l36_chan_mux = …; static const struct snd_kcontrol_new amp_enable_ctrl = …; static const struct snd_kcontrol_new boost_ctrl = …; static const char * const asp_tx_src_text[] = …; static const unsigned int asp_tx_src_values[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx1_src_enum, CS35L36_ASP_TX1_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx1_src = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx2_src_enum, CS35L36_ASP_TX2_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx2_src = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx3_src_enum, CS35L36_ASP_TX3_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx3_src = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx4_src_enum, CS35L36_ASP_TX4_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx4_src = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx5_src_enum, CS35L36_ASP_TX5_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx5_src = …; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx6_src_enum, CS35L36_ASP_TX6_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx6_src = …; static const struct snd_soc_dapm_widget cs35l36_dapm_widgets[] = …; static const struct snd_soc_dapm_route cs35l36_audio_map[] = …; static int cs35l36_set_dai_fmt(struct snd_soc_dai *component_dai, unsigned int fmt) { … } struct cs35l36_global_fs_config { … }; static const struct cs35l36_global_fs_config cs35l36_fs_rates[] = …; static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static const struct cs35l36_pll_config *cs35l36_get_clk_config( struct cs35l36_private *cs35l36, int freq) { … } static const unsigned int cs35l36_src_rates[] = …; static const struct snd_pcm_hw_constraint_list cs35l36_constraints = …; static int cs35l36_pcm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops cs35l36_ops = …; static struct snd_soc_dai_driver cs35l36_dai[] = …; static int cs35l36_component_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } static int cs35l36_boost_inductor(struct cs35l36_private *cs35l36, int inductor) { … } static int cs35l36_component_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_cs35l36 = …; static const struct regmap_config cs35l36_regmap = …; static irqreturn_t cs35l36_irq(int irq, void *data) { … } static int cs35l36_handle_of_data(struct i2c_client *i2c_client, struct cs35l36_platform_data *pdata) { … } static int cs35l36_pac(struct cs35l36_private *cs35l36) { … } static void cs35l36_apply_vpbr_config(struct cs35l36_private *cs35l36) { … } static const struct reg_sequence cs35l36_reva0_errata_patch[] = …; static const struct reg_sequence cs35l36_revb0_errata_patch[] = …; static int cs35l36_i2c_probe(struct i2c_client *i2c_client) { … } static void cs35l36_i2c_remove(struct i2c_client *client) { … } static const struct of_device_id cs35l36_of_match[] = …; MODULE_DEVICE_TABLE(of, cs35l36_of_match); static const struct i2c_device_id cs35l36_id[] = …; MODULE_DEVICE_TABLE(i2c, cs35l36_id); static struct i2c_driver cs35l36_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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