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