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-rw-r--r--src/drivers/soundwire/max98373/Kconfig2
-rw-r--r--src/drivers/soundwire/max98373/Makefile.inc1
-rw-r--r--src/drivers/soundwire/max98373/chip.h11
-rw-r--r--src/drivers/soundwire/max98373/max98373.c165
-rw-r--r--src/include/device/mipi_ids.h4
5 files changed, 183 insertions, 0 deletions
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 <acpi/acpigen.h>
+#include <acpi/acpi_device.h>
+#include <acpi/acpi_soundwire.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <device/mipi_ids.h>
+#include <device/soundwire.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 (!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__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 01:15:48 +0000