/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include "chip.h" static struct soundwire_address max98373_address = { .version = SOUNDWIRE_VERSION_1_1, .manufacturer_id = MIPI_MFG_ID_MAXIM, .part_id = MIPI_DEV_ID_MAXIM_MAX98373, .class = MIPI_CLASS_NONE }; static struct soundwire_slave max98373_slave = { .wake_up_unavailable = false, .test_mode_supported = false, .clock_stop_mode1_supported = true, .simplified_clockstopprepare_sm_supported = true, .clockstopprepare_hard_reset_behavior = false, .highPHY_capable = false, .paging_supported = false, .bank_delay_supported = false, .port15_read_behavior = false, .source_port_list = SOUNDWIRE_PORT(3), .sink_port_list = SOUNDWIRE_PORT(1), }; static struct soundwire_audio_mode max98373_audio_mode = { /* Bus frequency must be 1/2/4/8 divider of supported input frequencies. */ .bus_frequency_configs_count = 27, .bus_frequency_configs = { 7680 * KHz, 3840 * KHz, 1920 * KHz, 960 * KHz, /* 7.68 MHz */ 8400 * KHz, 4200 * KHz, 2100 * KHz, 1050 * KHz, /* 8.4 MHz */ 9600 * KHz, 4800 * KHz, 2400 * KHz, 1200 * KHz, /* 9.6 MHz */ 11289600, 5644800, 2822400, 1411200, /* 11.2896 MHz */ 12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz, /* 12 MHz */ 12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz, /* 12.288 MHz */ 13000 * KHz, 6500 * KHz, 3250 * KHz /* 13 MHz (no /8) */ }, /* Support 16 KHz to 96 KHz sampling frequency */ .sampling_frequency_configs_count = 8, .sampling_frequency_configs = { 16 * KHz, 22.05 * KHz, 24 * KHz, 32 * KHz, 44.1 * KHz, 48 * KHz, 88.2 * KHz, 96 * KHz, }, .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY }; static struct soundwire_dpn max98373_dp1 = { .port_wordlength_configs_count = 1, .port_wordlength_configs = { 32 }, .data_port_type = FULL_DATA_PORT, .max_grouping_supported = BLOCK_GROUP_COUNT_1, .simplified_channelprepare_sm = false, .imp_def_dpn_interrupts_supported = 0, .min_channel_number = 1, .max_channel_number = 2, .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED | MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS, .block_packing_mode = true, .port_audio_mode_count = 1, .port_audio_mode_list = { 0 } }; static struct soundwire_dpn max98373_dp3 = { .port_wordlength_configs_count = 1, .port_wordlength_configs = { 16 }, .data_port_type = FULL_DATA_PORT, .max_grouping_supported = BLOCK_GROUP_COUNT_1, .simplified_channelprepare_sm = false, .imp_def_dpn_interrupts_supported = 0, .min_channel_number = 1, .max_channel_number = 2, .modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED | MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS, .block_packing_mode = true, .port_audio_mode_count = 1, .port_audio_mode_list = { 0 } }; static const struct soundwire_codec max98373_codec = { .slave = &max98373_slave, .audio_mode = { &max98373_audio_mode }, .dpn = { { /* Data Input for Speaker Path */ .port = 1, .sink = &max98373_dp1 }, { /* Data Output for I/V Sense ADC Path */ .port = 3, .source = &max98373_dp3, } } }; static void soundwire_max98373_fill_ssdt(const struct device *dev) { struct drivers_soundwire_max98373_config *config = dev->chip_info; const char *scope = acpi_device_scope(dev); struct acpi_dp *dsd; if (!scope) return; acpigen_write_scope(scope); acpigen_write_device(acpi_device_name(dev)); /* Set codec address IDs. */ max98373_address.link_id = dev->path.generic.id; max98373_address.unique_id = dev->path.generic.subid; acpigen_write_ADR_soundwire_device(&max98373_address); acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name); acpigen_write_STA(acpi_device_status(dev)); dsd = acpi_dp_new_table("_DSD"); soundwire_gen_codec(dsd, &max98373_codec, NULL); acpi_dp_write(dsd); acpigen_pop_len(); /* Device */ acpigen_pop_len(); /* Scope */ } static const char *soundwire_max98373_acpi_name(const struct device *dev) { struct drivers_soundwire_max98373_config *config = dev->chip_info; static char name[5]; if (config->name) return config->name; snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid); return name; } static struct device_operations soundwire_max98373_ops = { .read_resources = noop_read_resources, .set_resources = noop_set_resources, .acpi_name = soundwire_max98373_acpi_name, .acpi_fill_ssdt = soundwire_max98373_fill_ssdt, }; static void soundwire_max98373_enable(struct device *dev) { dev->ops = &soundwire_max98373_ops; } struct chip_operations drivers_soundwire_max98373_ops = { CHIP_NAME("Maxim MAX98373 SoundWire Codec") .enable_dev = soundwire_max98373_enable };