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/* 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/soundwire.h>
#include <mipi/ids.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 (!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 = {
.name = "Maxim MAX98373 SoundWire Codec",
.enable_dev = soundwire_max98373_enable
};
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