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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/path.h>
#include <device/soundwire.h>
#include <mipi/ids.h>
#include <stdio.h>
#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
};
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