diff options
| -rw-r--r-- | src/drivers/soundwire/max98363/Kconfig | 6 | ||||
| -rw-r--r-- | src/drivers/soundwire/max98363/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/drivers/soundwire/max98363/chip.h | 13 | ||||
| -rw-r--r-- | src/drivers/soundwire/max98363/max98363.c | 141 | ||||
| -rw-r--r-- | src/include/mipi/ids.h | 1 |
5 files changed, 162 insertions, 0 deletions
diff --git a/src/drivers/soundwire/max98363/Kconfig b/src/drivers/soundwire/max98363/Kconfig new file mode 100644 index 0000000000..3474d08e75 --- /dev/null +++ b/src/drivers/soundwire/max98363/Kconfig @@ -0,0 +1,6 @@ +config DRIVERS_SOUNDWIRE_MAX98363 + bool + depends on HAVE_ACPI_TABLES + default n + help + SoundWire MAX98363 audio amp SSDT generator. diff --git a/src/drivers/soundwire/max98363/Makefile.inc b/src/drivers/soundwire/max98363/Makefile.inc new file mode 100644 index 0000000000..5501eb3d10 --- /dev/null +++ b/src/drivers/soundwire/max98363/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_DRIVERS_SOUNDWIRE_MAX98363) += max98363.c diff --git a/src/drivers/soundwire/max98363/chip.h b/src/drivers/soundwire/max98363/chip.h new file mode 100644 index 0000000000..625fc8c739 --- /dev/null +++ b/src/drivers/soundwire/max98363/chip.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __DRIVERS_SOUNDWIRE_MAX98363_CHIP_H__ +#define __DRIVERS_SOUNDWIRE_MAX98363_CHIP_H__ + +#include <acpi/acpi.h> + +struct drivers_soundwire_max98363_config { + char acpi_name[ACPI_NAME_BUFFER_SIZE]; /* Set by the acpi_name ops */ + const char *desc; +}; + +#endif /* __DRIVERS_SOUNDWIRE_MAX98363_CHIP_H__ */ diff --git a/src/drivers/soundwire/max98363/max98363.c b/src/drivers/soundwire/max98363/max98363.c new file mode 100644 index 0000000000..2963cdaa4e --- /dev/null +++ b/src/drivers/soundwire/max98363/max98363.c @@ -0,0 +1,141 @@ +/* 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/soundwire.h> +#include <mipi/ids.h> +#include <stdio.h> + +#include "chip.h" + +static struct soundwire_address max98363_address = { + .version = SOUNDWIRE_VERSION_1_2, + .manufacturer_id = MIPI_MFG_ID_MAXIM, + .part_id = MIPI_DEV_ID_MAXIM_MAX98363, + .class = MIPI_CLASS_NONE +}; + +static struct soundwire_slave max98363_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 = 0, + .sink_port_list = SOUNDWIRE_PORT(1), +}; + +static struct soundwire_audio_mode max98363_audio_mode = { + /* Bus frequency must be 2/4/8/16 divider of supported input frequencies. */ + .bus_frequency_configs_count = 19, + .bus_frequency_configs = { + 9600 * KHz, 4800 * KHz, 2400 * KHz, 1200 * KHz, /* 19.2 MHz */ + 11289600, 5644800, 2822400, 1411200, /* 22.5792 MHz */ + 12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz, /* 24 MHz */ + 12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz, /* 24.576 MHz */ + 8000 * KHz, 4000 * KHz, 2000 * KHz, /* 32 MHz (no /2) */ + }, + /* 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 max98363_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 = 1, + .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 max98363_codec = { + .slave = &max98363_slave, + .audio_mode = { &max98363_audio_mode }, + .dpn = { + { + /* Data Input for Speaker Path */ + .port = 1, + .sink = &max98363_dp1 + } + } +}; + +static void soundwire_max98363_fill_ssdt(const struct device *dev) +{ + struct drivers_soundwire_max98363_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. */ + max98363_address.link_id = dev->path.generic.id; + max98363_address.unique_id = dev->path.generic.subid; + + acpigen_write_ADR_soundwire_device(&max98363_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, &max98363_codec, NULL); + acpi_dp_write(dsd); + + acpigen_pop_len(); /* Device */ + acpigen_pop_len(); /* Scope */ +} + +static const char *soundwire_max98363_acpi_name(const struct device *dev) +{ + struct drivers_soundwire_max98363_config *config = dev->chip_info; + if (config->acpi_name[0] != 0) + return config->acpi_name; + snprintf(config->acpi_name, sizeof(config->acpi_name), "SW%1X%1X", + dev->path.generic.id, dev->path.generic.subid); + return config->acpi_name; +} + +static struct device_operations soundwire_max98363_ops = { + .read_resources = noop_read_resources, + .set_resources = noop_set_resources, + .acpi_name = soundwire_max98363_acpi_name, + .acpi_fill_ssdt = soundwire_max98363_fill_ssdt, +}; + +static void soundwire_max98363_enable(struct device *dev) +{ + dev->ops = &soundwire_max98363_ops; +} + +struct chip_operations drivers_soundwire_max98363_ops = { + CHIP_NAME("Maxim MAX98363 SoundWire Codec") + .enable_dev = soundwire_max98363_enable +}; diff --git a/src/include/mipi/ids.h b/src/include/mipi/ids.h index 982e6e14b4..a1d1f4998e 100644 --- a/src/include/mipi/ids.h +++ b/src/include/mipi/ids.h @@ -25,5 +25,6 @@ #define MIPI_MFG_ID_MAXIM 0x019f #define MIPI_DEV_ID_MAXIM_MAX98373 0x8373 +#define MIPI_DEV_ID_MAXIM_MAX98363 0x8363 #endif /* __MIPI_IDS_H__ */ |