// SPDX-License-Identifier: GPL-2.0 // // peb2466.c -- Infineon PEB2466 ALSA SoC driver // // Copyright 2023 CS GROUP France // // Author: Herve Codina <[email protected]> #include <asm/unaligned.h> #include <linux/clk.h> #include <linux/firmware.h> #include <linux/gpio/consumer.h> #include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/slab.h> #include <linux/spi/spi.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/tlv.h> #define PEB2466_NB_CHANNEL … struct peb2466_lookup { … }; #define PEB2466_TLV_SIZE … struct peb2466_lkup_ctrl { … }; struct peb2466 { … }; #define PEB2466_CMD_R … #define PEB2466_CMD_W … #define PEB2466_CMD_MASK … #define PEB2466_CMD_XOP … #define PEB2466_CMD_SOP … #define PEB2466_CMD_COP … #define PEB2466_CMD_COP1 … #define PEB2466_MAKE_XOP(_lsel) … #define PEB2466_MAKE_SOP(_ad, _lsel) … #define PEB2466_MAKE_COP(_ad, _code) … #define PEB2466_CR0(_ch) … #define PEB2466_CR0_TH … #define PEB2466_CR0_IMR1 … #define PEB2466_CR0_FRX … #define PEB2466_CR0_FRR … #define PEB2466_CR0_AX … #define PEB2466_CR0_AR … #define PEB2466_CR0_THSEL_MASK … #define PEB2466_CR0_THSEL(_set) … #define PEB2466_CR1(_ch) … #define PEB2466_CR1_ETG2 … #define PEB2466_CR1_ETG1 … #define PEB2466_CR1_PTG2 … #define PEB2466_CR1_PTG1 … #define PEB2466_CR1_LAW_MASK … #define PEB2466_CR1_LAW_ALAW … #define PEB2466_CR1_LAW_MULAW … #define PEB2466_CR1_PU … #define PEB2466_CR2(_ch) … #define PEB2466_CR3(_ch) … #define PEB2466_CR4(_ch) … #define PEB2466_CR5(_ch) … #define PEB2466_XR0 … #define PEB2466_XR1 … #define PEB2466_XR2 … #define PEB2466_XR3 … #define PEB2466_XR4 … #define PEB2466_XR5 … #define PEB2466_XR5_MCLK_1536 … #define PEB2466_XR5_MCLK_2048 … #define PEB2466_XR5_MCLK_4096 … #define PEB2466_XR5_MCLK_8192 … #define PEB2466_XR6 … #define PEB2466_XR6_PCM_OFFSET(_off) … #define PEB2466_XR7 … #define PEB2466_TH_FILTER_P1(_ch) … #define PEB2466_TH_FILTER_P2(_ch) … #define PEB2466_TH_FILTER_P3(_ch) … #define PEB2466_IMR1_FILTER_P1(_ch) … #define PEB2466_IMR1_FILTER_P2(_ch) … #define PEB2466_FRX_FILTER(_ch) … #define PEB2466_FRR_FILTER(_ch) … #define PEB2466_AX_FILTER(_ch) … #define PEB2466_AR_FILTER(_ch) … #define PEB2466_TG1(_ch) … #define PEB2466_TG2(_ch) … static int peb2466_write_byte(struct peb2466 *peb2466, u8 cmd, u8 val) { … } static int peb2466_read_byte(struct peb2466 *peb2466, u8 cmd, u8 *val) { … } static int peb2466_write_buf(struct peb2466 *peb2466, u8 cmd, const u8 *buf, unsigned int len) { … } static int peb2466_reg_write(void *context, unsigned int reg, unsigned int val) { … } static int peb2466_reg_read(void *context, unsigned int reg, unsigned int *val) { … } static const struct regmap_config peb2466_regmap_config = …; static int peb2466_lkup_ctrl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int peb2466_lkup_ctrl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int peb2466_lkup_ctrl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int peb2466_add_lkup_ctrl(struct snd_soc_component *component, struct peb2466_lkup_ctrl *lkup_ctrl, const char *name, int min_val, int step) { … } enum peb2466_tone_freq { … }; static const u8 peb2466_tone_lookup[][4] = …; static const char * const peb2466_tone_freq_txt[] = …; static const struct soc_enum peb2466_tg_freq[][2] = …; static int peb2466_tg_freq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int peb2466_tg_freq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new peb2466_ch0_out_mix_controls[] = …; static const struct snd_kcontrol_new peb2466_ch1_out_mix_controls[] = …; static const struct snd_kcontrol_new peb2466_ch2_out_mix_controls[] = …; static const struct snd_kcontrol_new peb2466_ch3_out_mix_controls[] = …; static const struct snd_kcontrol_new peb2466_controls[] = …; static const struct snd_soc_dapm_widget peb2466_dapm_widgets[] = …; static const struct snd_soc_dapm_route peb2466_dapm_routes[] = …; static int peb2466_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int width) { … } static int peb2466_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int peb2466_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static const unsigned int peb2466_sample_bits[] = …; static struct snd_pcm_hw_constraint_list peb2466_sample_bits_constr = …; static int peb2466_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const u64 peb2466_dai_formats[] = …; static const struct snd_soc_dai_ops peb2466_dai_ops = …; static struct snd_soc_dai_driver peb2466_dai_driver = …; static int peb2466_reset_audio(struct peb2466 *peb2466) { … } static int peb2466_fw_parse_thfilter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static int peb2466_fw_parse_imr1filter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static int peb2466_fw_parse_frxfilter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static int peb2466_fw_parse_frrfilter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static int peb2466_fw_parse_axfilter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static int peb2466_fw_parse_arfilter(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static const char * const peb2466_ax_ctrl_names[] = …; static int peb2466_fw_parse_axtable(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } static const char * const peb2466_ar_ctrl_names[] = …; static int peb2466_fw_parse_artable(struct snd_soc_component *component, u16 tag, u32 lng, const u8 *data) { … } struct peb2466_fw_tag_def { … }; #define PEB2466_TAG_DEF_LNG_EQ(__tag, __lng, __parse) … #define PEB2466_TAG_DEF_LNG_MIN(__tag, __lng_min, __parse) … static const struct peb2466_fw_tag_def peb2466_fw_tag_defs[] = …; static const struct peb2466_fw_tag_def *peb2466_fw_get_tag_def(u16 tag) { … } static int peb2466_fw_parse(struct snd_soc_component *component, const u8 *data, size_t size) { … } static int peb2466_load_coeffs(struct snd_soc_component *component, const char *fw_name) { … } static int peb2466_component_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver peb2466_component_driver = …; /* * The mapping used for the relationship between the gpio offset and the * physical pin is the following: * * offset pin * 0 SI1_0 * 1 SI1_1 * 2 SI2_0 * 3 SI2_1 * 4 SI3_0 * 5 SI3_1 * 6 SI4_0 * 7 SI4_1 * 8 SO1_0 * 9 SO1_1 * 10 SO2_0 * 11 SO2_1 * 12 SO3_0 * 13 SO3_1 * 14 SO4_0 * 15 SO4_1 * 16 SB1_0 * 17 SB1_1 * 18 SB2_0 * 19 SB2_1 * 20 SB3_0 * 21 SB3_1 * 22 SB4_0 * 23 SB4_1 * 24 SB1_2 * 25 SB2_2 * 26 SB3_2 * 27 SB4_2 */ static int peb2466_chip_gpio_offset_to_data_regmask(unsigned int offset, unsigned int *xr_reg, unsigned int *mask) { … } static int peb2466_chip_gpio_offset_to_dir_regmask(unsigned int offset, unsigned int *xr_reg, unsigned int *mask) { … } static unsigned int *peb2466_chip_gpio_get_cache(struct peb2466 *peb2466, unsigned int xr_reg) { … } static int peb2466_chip_gpio_update_bits(struct peb2466 *peb2466, unsigned int xr_reg, unsigned int mask, unsigned int val) { … } static void peb2466_chip_gpio_set(struct gpio_chip *c, unsigned int offset, int val) { … } static int peb2466_chip_gpio_get(struct gpio_chip *c, unsigned int offset) { … } static int peb2466_chip_get_direction(struct gpio_chip *c, unsigned int offset) { … } static int peb2466_chip_direction_input(struct gpio_chip *c, unsigned int offset) { … } static int peb2466_chip_direction_output(struct gpio_chip *c, unsigned int offset, int val) { … } static int peb2466_reset_gpio(struct peb2466 *peb2466) { … } static int peb2466_gpio_init(struct peb2466 *peb2466) { … } static int peb2466_spi_probe(struct spi_device *spi) { … } static void peb2466_spi_remove(struct spi_device *spi) { … } static const struct of_device_id peb2466_of_match[] = …; MODULE_DEVICE_TABLE(of, peb2466_of_match); static const struct spi_device_id peb2466_id_table[] = …; MODULE_DEVICE_TABLE(spi, peb2466_id_table); static struct spi_driver peb2466_spi_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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