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-rw-r--r--src/drivers/soundwire/alc5682/Kconfig2
-rw-r--r--src/drivers/soundwire/alc5682/Makefile.inc1
-rw-r--r--src/drivers/soundwire/alc5682/alc5682.c179
-rw-r--r--src/drivers/soundwire/alc5682/chip.h11
-rw-r--r--src/include/device/mipi_ids.h3
5 files changed, 196 insertions, 0 deletions
diff --git a/src/drivers/soundwire/alc5682/Kconfig b/src/drivers/soundwire/alc5682/Kconfig
new file mode 100644
index 0000000000..5d68c38b59
--- /dev/null
+++ b/src/drivers/soundwire/alc5682/Kconfig
@@ -0,0 +1,2 @@
+config DRIVERS_SOUNDWIRE_ALC5682
+ bool
diff --git a/src/drivers/soundwire/alc5682/Makefile.inc b/src/drivers/soundwire/alc5682/Makefile.inc
new file mode 100644
index 0000000000..eab940cbb1
--- /dev/null
+++ b/src/drivers/soundwire/alc5682/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_DRIVERS_SOUNDWIRE_ALC5682) += alc5682.c
diff --git a/src/drivers/soundwire/alc5682/alc5682.c b/src/drivers/soundwire/alc5682/alc5682.c
new file mode 100644
index 0000000000..79ed610ab8
--- /dev/null
+++ b/src/drivers/soundwire/alc5682/alc5682.c
@@ -0,0 +1,179 @@
+/* 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/mipi_ids.h>
+#include <device/path.h>
+#include <device/soundwire.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 (!dev->enabled || !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
+};
diff --git a/src/drivers/soundwire/alc5682/chip.h b/src/drivers/soundwire/alc5682/chip.h
new file mode 100644
index 0000000000..5dfcbfea7e
--- /dev/null
+++ b/src/drivers/soundwire/alc5682/chip.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __DRIVERS_SOUNDWIRE_ALC5682_CHIP_H__
+#define __DRIVERS_SOUNDWIRE_ALC5682_CHIP_H__
+
+struct drivers_soundwire_alc5682_config {
+ const char *name;
+ const char *desc;
+};
+
+#endif /* __DRIVERS_SOUNDWIRE_ALC5682_CHIP_H__ */
diff --git a/src/include/device/mipi_ids.h b/src/include/device/mipi_ids.h
index 4d01300e72..2d3cd4af44 100644
--- a/src/include/device/mipi_ids.h
+++ b/src/include/device/mipi_ids.h
@@ -19,6 +19,9 @@
#define MIPI_MFG_ID_TOSHIBA 0x0126
/* Contributing Members */
+#define MIPI_MFG_ID_REALTEK 0x025d
+#define MIPI_DEV_ID_REALTEK_ALC5682 0x5682
+
#define MIPI_MFG_ID_MAXIM 0x019f
#define MIPI_DEV_ID_MAXIM_MAX98373 0x8373
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 11:07:54 +0000