// SPDX-License-Identifier: GPL-2.0 // // IDT821034 ALSA SoC driver // // Copyright 2022 CS GROUP France // // Author: Herve Codina <[email protected]> #include <linux/bitrev.h> #include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/spi/spi.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/tlv.h> #define IDT821034_NB_CHANNEL … struct idt821034_amp { … }; struct idt821034 { … }; static int idt821034_8bit_write(struct idt821034 *idt821034, u8 val) { … } static int idt821034_2x8bit_write(struct idt821034 *idt821034, u8 val1, u8 val2) { … } static int idt821034_8bit_read(struct idt821034 *idt821034, u8 valw, u8 *valr) { … } /* Available mode for the programming sequence */ #define IDT821034_MODE_CODEC(_ch) … #define IDT821034_MODE_SLIC(_ch) … #define IDT821034_MODE_GAIN(_ch) … /* Power values that can be used in 'power' (can be ORed) */ #define IDT821034_CONF_PWRUP_TX … #define IDT821034_CONF_PWRUP_RX … static int idt821034_set_channel_power(struct idt821034 *idt821034, u8 ch, u8 power) { … } static u8 idt821034_get_channel_power(struct idt821034 *idt821034, u8 ch) { … } /* Codec configuration values that can be used in 'codec_conf' (can be ORed) */ #define IDT821034_CONF_ALAW_MODE … #define IDT821034_CONF_DELAY_MODE … static int idt821034_set_codec_conf(struct idt821034 *idt821034, u8 codec_conf) { … } static u8 idt821034_get_codec_conf(struct idt821034 *idt821034) { … } /* Channel direction values that can be used in 'ch_dir' (can be ORed) */ #define IDT821034_CH_RX … #define IDT821034_CH_TX … static int idt821034_set_channel_ts(struct idt821034 *idt821034, u8 ch, u8 ch_dir, u8 ts_num) { … } /* SLIC direction values that can be used in 'slic_dir' (can be ORed) */ #define IDT821034_SLIC_IO1_IN … #define IDT821034_SLIC_IO0_IN … static int idt821034_set_slic_conf(struct idt821034 *idt821034, u8 ch, u8 slic_dir) { … } static u8 idt821034_get_slic_conf(struct idt821034 *idt821034, u8 ch) { … } static int idt821034_write_slic_raw(struct idt821034 *idt821034, u8 ch, u8 slic_raw) { … } static u8 idt821034_get_written_slic_raw(struct idt821034 *idt821034, u8 ch) { … } static int idt821034_read_slic_raw(struct idt821034 *idt821034, u8 ch, u8 *slic_raw) { … } /* Gain type values that can be used in 'gain_type' (cannot be ORed) */ #define IDT821034_GAIN_RX … #define IDT821034_GAIN_TX … static int idt821034_set_gain_channel(struct idt821034 *idt821034, u8 ch, u8 gain_type, u16 gain_val) { … } /* Id helpers used in controls and dapm */ #define IDT821034_DIR_OUT … #define IDT821034_DIR_IN … #define IDT821034_ID(_ch, _dir) … #define IDT821034_ID_OUT(_ch) … #define IDT821034_ID_IN(_ch) … #define IDT821034_ID_GET_CHAN(_id) … #define IDT821034_ID_GET_DIR(_id) … #define IDT821034_ID_IS_OUT(_id) … static int idt821034_kctrl_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int idt821034_kctrl_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int idt821034_kctrl_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int idt821034_kctrl_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_LINEAR(idt821034_gain_in, -6520, 1306); #define IDT821034_GAIN_IN_MIN_RAW … #define IDT821034_GAIN_IN_MAX_RAW … #define IDT821034_GAIN_IN_INIT_RAW … static const DECLARE_TLV_DB_LINEAR(idt821034_gain_out, -6798, 1029); #define IDT821034_GAIN_OUT_MIN_RAW … #define IDT821034_GAIN_OUT_MAX_RAW … #define IDT821034_GAIN_OUT_INIT_RAW … static const struct snd_kcontrol_new idt821034_controls[] = …; static int idt821034_power_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget idt821034_dapm_widgets[] = …; static const struct snd_soc_dapm_route idt821034_dapm_routes[] = …; static int idt821034_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int width) { … } static int idt821034_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int idt821034_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static const unsigned int idt821034_sample_bits[] = …; static struct snd_pcm_hw_constraint_list idt821034_sample_bits_constr = …; static int idt821034_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const u64 idt821034_dai_formats[] = …; static const struct snd_soc_dai_ops idt821034_dai_ops = …; static struct snd_soc_dai_driver idt821034_dai_driver = …; static int idt821034_reset_audio(struct idt821034 *idt821034) { … } static int idt821034_component_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver idt821034_component_driver = …; #define IDT821034_GPIO_OFFSET_TO_SLIC_CHANNEL(_offset) … #define IDT821034_GPIO_OFFSET_TO_SLIC_MASK(_offset) … static void idt821034_chip_gpio_set(struct gpio_chip *c, unsigned int offset, int val) { … } static int idt821034_chip_gpio_get(struct gpio_chip *c, unsigned int offset) { … } static int idt821034_chip_get_direction(struct gpio_chip *c, unsigned int offset) { … } static int idt821034_chip_direction_input(struct gpio_chip *c, unsigned int offset) { … } static int idt821034_chip_direction_output(struct gpio_chip *c, unsigned int offset, int val) { … } static int idt821034_reset_gpio(struct idt821034 *idt821034) { … } static int idt821034_gpio_init(struct idt821034 *idt821034) { … } static int idt821034_spi_probe(struct spi_device *spi) { … } static const struct of_device_id idt821034_of_match[] = …; MODULE_DEVICE_TABLE(of, idt821034_of_match); static const struct spi_device_id idt821034_id_table[] = …; MODULE_DEVICE_TABLE(spi, idt821034_id_table); static struct spi_driver idt821034_spi_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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