| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpigen.h> |
| #include <acpi/acpi_device.h> |
| #include <acpi/acpi_soundwire.h> |
| #include <device/device.h> |
| #include <device/path.h> |
| #include <device/mipi_ids.h> |
| #include <device/soundwire.h> |
| #include <stdio.h> |
| |
| #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 (!dev->enabled || !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 |
| }; |