diff --git a/src/drivers/soundwire/max98373/Kconfig b/src/drivers/soundwire/max98373/Kconfig new file mode 100644 index 0000000000..0dc2c6116d --- /dev/null +++ b/src/drivers/soundwire/max98373/Kconfig @@ -0,0 +1,2 @@ +config DRIVERS_SOUNDWIRE_MAX98373 + bool diff --git a/src/drivers/soundwire/max98373/Makefile.inc b/src/drivers/soundwire/max98373/Makefile.inc new file mode 100644 index 0000000000..41c784d2ee --- /dev/null +++ b/src/drivers/soundwire/max98373/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_DRIVERS_SOUNDWIRE_MAX98373) += max98373.c diff --git a/src/drivers/soundwire/max98373/chip.h b/src/drivers/soundwire/max98373/chip.h new file mode 100644 index 0000000000..c263577af5 --- /dev/null +++ b/src/drivers/soundwire/max98373/chip.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __DRIVERS_SOUNDWIRE_MAX98373_CHIP_H__ +#define __DRIVERS_SOUNDWIRE_MAX98373_CHIP_H__ + +struct drivers_soundwire_max98373_config { + const char *name; + const char *desc; +}; + +#endif /* __DRIVERS_SOUNDWIRE_MAX98373_CHIP_H__ */ diff --git a/src/drivers/soundwire/max98373/max98373.c b/src/drivers/soundwire/max98373/max98373.c new file mode 100644 index 0000000000..231385cd57 --- /dev/null +++ b/src/drivers/soundwire/max98373/max98373.c @@ -0,0 +1,165 @@ +/* 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 (!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 +}; diff --git a/src/include/device/mipi_ids.h b/src/include/device/mipi_ids.h index 2e0254c0b7..4d01300e72 100644 --- a/src/include/device/mipi_ids.h +++ b/src/include/device/mipi_ids.h @@ -18,4 +18,8 @@ #define MIPI_MFG_ID_TI 0x0102 #define MIPI_MFG_ID_TOSHIBA 0x0126 +/* Contributing Members */ +#define MIPI_MFG_ID_MAXIM 0x019f +#define MIPI_DEV_ID_MAXIM_MAX98373 0x8373 + #endif /* __DEVICE_MIPI_IDS_H__ */