146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* CS42L43 CODEC driver internal data
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*
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* Copyright (C) 2022-2023 Cirrus Logic, Inc. and
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* Cirrus Logic International Semiconductor Ltd.
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*/
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#ifndef CS42L43_ASOC_INT_H
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#define CS42L43_ASOC_INT_H
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#include <linux/completion.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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#include <linux/workqueue.h>
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#include <sound/pcm.h>
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#define CS42L43_INTERNAL_SYSCLK 24576000
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#define CS42L43_DEFAULT_SLOTS 0x3F
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#define CS42L43_PLL_TIMEOUT_MS 200
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#define CS42L43_SPK_TIMEOUT_MS 100
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#define CS42L43_HP_TIMEOUT_MS 2000
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#define CS42L43_LOAD_TIMEOUT_MS 1000
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#define CS42L43_HP_ILIMIT_BACKOFF_MS 1000
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#define CS42L43_HP_ILIMIT_DECAY_MS 300
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#define CS42L43_HP_ILIMIT_MAX_COUNT 4
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#define CS42L43_ASP_MAX_CHANNELS 6
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#define CS42L43_N_EQ_COEFFS 15
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#define CS42L43_N_BUTTONS 6
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struct clk;
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struct device;
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struct snd_soc_component;
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struct snd_soc_jack;
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struct cs42l43;
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struct cs42l43_codec {
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struct device *dev;
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struct cs42l43 *core;
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struct snd_soc_component *component;
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struct clk *mclk;
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int n_slots;
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int slot_width;
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int tx_slots[CS42L43_ASP_MAX_CHANNELS];
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int rx_slots[CS42L43_ASP_MAX_CHANNELS];
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struct snd_pcm_hw_constraint_list constraint;
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u32 eq_coeffs[CS42L43_N_EQ_COEFFS];
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unsigned int refclk_src;
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unsigned int refclk_freq;
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struct completion pll_ready;
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unsigned int decim_cache[4];
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unsigned int adc_ena;
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unsigned int hp_ena;
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struct completion hp_startup;
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struct completion hp_shutdown;
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struct completion spkr_shutdown;
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struct completion spkl_shutdown;
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struct completion spkr_startup;
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struct completion spkl_startup;
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// Lock to ensure speaker VU updates don't clash
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struct mutex spk_vu_lock;
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// Lock for all jack detect operations
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struct mutex jack_lock;
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struct snd_soc_jack *jack_hp;
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bool use_ring_sense;
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unsigned int tip_debounce_ms;
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unsigned int bias_low;
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unsigned int bias_sense_ua;
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unsigned int bias_ramp_ms;
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unsigned int detect_us;
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unsigned int buttons[CS42L43_N_BUTTONS];
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struct delayed_work tip_sense_work;
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struct delayed_work bias_sense_timeout;
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struct delayed_work button_press_work;
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struct work_struct button_release_work;
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struct completion type_detect;
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struct completion load_detect;
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bool load_detect_running;
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bool button_detect_running;
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bool jack_present;
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int jack_override;
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struct work_struct hp_ilimit_work;
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struct delayed_work hp_ilimit_clear_work;
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bool hp_ilimited;
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int hp_ilimit_count;
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struct snd_kcontrol *kctl[5];
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};
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#if IS_REACHABLE(CONFIG_SND_SOC_CS42L43_SDW)
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int cs42l43_sdw_add_peripheral(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai);
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int cs42l43_sdw_remove_peripheral(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int cs42l43_sdw_set_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction);
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#else
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static inline int cs42l43_sdw_add_peripheral(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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return -EINVAL;
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}
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#define cs42l43_sdw_remove_peripheral NULL
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#define cs42l43_sdw_set_stream NULL
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#endif
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int cs42l43_set_jack(struct snd_soc_component *component,
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struct snd_soc_jack *jack, void *d);
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void cs42l43_bias_sense_timeout(struct work_struct *work);
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void cs42l43_tip_sense_work(struct work_struct *work);
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void cs42l43_button_press_work(struct work_struct *work);
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void cs42l43_button_release_work(struct work_struct *work);
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irqreturn_t cs42l43_bias_detect_clamp(int irq, void *data);
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irqreturn_t cs42l43_button_press(int irq, void *data);
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irqreturn_t cs42l43_button_release(int irq, void *data);
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irqreturn_t cs42l43_tip_sense(int irq, void *data);
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int cs42l43_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
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int cs42l43_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
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extern const struct soc_enum cs42l43_jack_enum;
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#endif /* CS42L43_ASOC_INT_H */
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