/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include "chip.h" static struct soundwire_address alc5682_address = { .version = SOUNDWIRE_VERSION_1_1, .manufacturer_id = MIPI_MFG_ID_REALTEK, .part_id = MIPI_DEV_ID_REALTEK_ALC5682, .class = MIPI_CLASS_NONE }; static struct soundwire_slave alc5682_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(1) | SOUNDWIRE_PORT(2) | SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4), .sink_port_list = SOUNDWIRE_PORT(1) | SOUNDWIRE_PORT(2) | SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4) }; static struct soundwire_bra_mode alc5682_dp0_bra_mode = { .bus_frequency_configs_count = 7, .bus_frequency_configs = { 1000 * KHz, /* 1 MHz */ 2400 * KHz, /* 2.4 MHz */ 3000 * KHz, /* 3 MHz */ 4000 * KHz, /* 4 MHz */ 4800 * KHz, /* 4.8 MHz */ 9600 * KHz, /* 9.6 MHz */ 12000 * KHz, /* 12 MHz */ }, .max_data_per_frame = 470, .min_us_between_transactions = 0 }; static struct soundwire_dp0 alc5682_dp0 = { .port_max_wordlength = 64, .port_min_wordlength = 1, .bra_imp_def_response_supported = false, .simplified_channel_prepare_sm = true, .imp_def_dp0_interrupts_supported = 0, .imp_def_bpt_supported = true, .bra_mode_count = 1, .bra_mode_list = { 0 } }; static struct soundwire_audio_mode alc5682_audio_mode = { .bus_frequency_configs_count = 7, .bus_frequency_configs = { 1000 * KHz, /* 1 MHz */ 2400 * KHz, /* 2.4 MHz */ 3000 * KHz, /* 3 MHz */ 4000 * KHz, /* 4 MHz */ 4800 * KHz, /* 4.8 MHz */ 9600 * KHz, /* 9.6 MHz */ 12000 * KHz, /* 12 MHz */ }, /* Support 8 KHz to 192 KHz sampling frequency */ .max_sampling_frequency = 192 * KHz, .min_sampling_frequency = 8 * KHz, .prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY }; static struct soundwire_dpn alc5682_dpn = { .port_wordlength_configs_count = 3, .port_wordlength_configs = { 16, 20, 24 }, .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 alc5682_codec = { .slave = &alc5682_slave, .dp0_bra_mode = { &alc5682_dp0_bra_mode }, .dp0 = &alc5682_dp0, .audio_mode = { &alc5682_audio_mode }, .dpn = { { .port = 1, .source = &alc5682_dpn, .sink = &alc5682_dpn, }, { .port = 2, .source = &alc5682_dpn, .sink = &alc5682_dpn, }, { .port = 3, .source = &alc5682_dpn, .sink = &alc5682_dpn, }, { .port = 4, .source = &alc5682_dpn, .sink = &alc5682_dpn, } } }; static void soundwire_alc5682_fill_ssdt(const struct device *dev) { struct drivers_soundwire_alc5682_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. */ alc5682_address.link_id = dev->path.generic.id; alc5682_address.unique_id = dev->path.generic.subid; acpigen_write_ADR_soundwire_device(&alc5682_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, &alc5682_codec, NULL); acpi_dp_write(dsd); acpigen_pop_len(); /* Device */ acpigen_pop_len(); /* Scope */ } static const char *soundwire_alc5682_acpi_name(const struct device *dev) { struct drivers_soundwire_alc5682_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_alc5682_ops = { .read_resources = noop_read_resources, .set_resources = noop_set_resources, .acpi_name = soundwire_alc5682_acpi_name, .acpi_fill_ssdt = soundwire_alc5682_fill_ssdt, }; static void soundwire_alc5682_enable(struct device *dev) { dev->ops = &soundwire_alc5682_ops; } struct chip_operations drivers_soundwire_alc5682_ops = { CHIP_NAME("Realtek ALC5682 SoundWire Codec") .enable_dev = soundwire_alc5682_enable };