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-rw-r--r--src/soc/intel/apollolake/Kconfig24
-rw-r--r--src/soc/intel/apollolake/Makefile.inc19
-rw-r--r--src/soc/intel/apollolake/include/soc/nhlt.h43
-rw-r--r--src/soc/intel/apollolake/nhlt.c142
4 files changed, 228 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig
index 98ce7d8c3c..8e33015afd 100644
--- a/src/soc/intel/apollolake/Kconfig
+++ b/src/soc/intel/apollolake/Kconfig
@@ -17,6 +17,9 @@ config CPU_SPECIFIC_OPTIONS
select SMP
select SSE2
select SUPPORT_CPU_UCODE_IN_CBFS
+ # Audio options
+ select ACPI_NHLT
+ select SOC_INTEL_COMMON_NHLT
# Misc options
select C_ENVIRONMENT_BOOTBLOCK
select COLLECT_TIMESTAMPS
@@ -182,4 +185,25 @@ config IFWI_FILE_NAME
help
Name of file to store in the IFWI region.
+config NHLT_DMIC_2CH_16B
+ bool
+ depends on ACPI_NHLT
+ default n
+ help
+ Include DSP firmware settings for 2 channel 16B DMIC array.
+
+config NHLT_MAX98357
+ bool
+ depends on ACPI_NHLT
+ default n
+ help
+ Include DSP firmware settings for headset codec.
+
+config NHLT_DA7219
+ bool
+ depends on ACPI_NHLT
+ default n
+ help
+ Include DSP firmware settings for headset codec.
+
endif
diff --git a/src/soc/intel/apollolake/Makefile.inc b/src/soc/intel/apollolake/Makefile.inc
index 7326f1448f..030e35cc1a 100644
--- a/src/soc/intel/apollolake/Makefile.inc
+++ b/src/soc/intel/apollolake/Makefile.inc
@@ -51,6 +51,7 @@ ramstage-y += lpc_lib.c
ramstage-y += memmap.c
ramstage-y += mmap_boot.c
ramstage-y += uart.c
+ramstage-y += nhlt.c
ramstage-y += northbridge.c
ramstage-y += spi.c
ramstage-y += tsc_freq.c
@@ -104,4 +105,22 @@ files_added:: $(IFWITOOL)
$(CBFSTOOL) $(obj)/coreboot.rom write -r $(CONFIG_IFWI_FMAP_NAME) -f $(objcbfs)/ifwi.bin.tmp --fill-upward
endif
+# DSP firmware settings files.
+NHLT_BLOB_PATH = 3rdparty/blobs/soc/intel/apollolake/nhlt-blobs
+DMIC_2CH_48KHZ_16B = dmic-2ch-48khz-16b.bin
+MAX98357_RENDER = max98357-render-2ch-48khz-24b.bin
+DA7219_RENDER_CAPTURE = dialog-2ch-48khz-24b.bin
+
+cbfs-files-$(CONFIG_NHLT_DMIC_2CH) += $(DMIC_2CH_48KHZ_16B)
+$(DMIC_2CH_48KHZ_16B)-file := $(NHLT_BLOB_PATH)/$(DMIC_2CH_48KHZ_16B)
+$(DMIC_2CH_48KHZ_16B)-type := raw
+
+cbfs-files-$(CONFIG_NHLT_MAX98357) += $(MAX98357_RENDER)
+$(MAX98357_RENDER)-file := $(NHLT_BLOB_PATH)/$(MAX98357_RENDER)
+$(MAX98357_RENDER)-type := raw
+
+cbfs-files-$(CONFIG_NHLT_DA7219) += $(DA7219_RENDER_CAPTURE)
+$(DA7219_RENDER_CAPTURE)-file := $(NHLT_BLOB_PATH)/$(DA7219_RENDER_CAPTURE)
+$(DA7219_RENDER_CAPTURE)-type := raw
+
endif
diff --git a/src/soc/intel/apollolake/include/soc/nhlt.h b/src/soc/intel/apollolake/include/soc/nhlt.h
new file mode 100644
index 0000000000..d49b8cf1cb
--- /dev/null
+++ b/src/soc/intel/apollolake/include/soc/nhlt.h
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_APOLLOLAKE_NHLT_H_
+#define _SOC_APOLLOLAKE_NHLT_H_
+
+#include <nhlt.h>
+
+#define NHLT_VID 0x8086
+#define NHLT_DID_DMIC 0xae20
+#define NHLT_DID_BT 0xae30
+#define NHLT_DID_SSP 0xae34
+
+/* The following link values should be used for the hwlink parameters below. */
+enum {
+ AUDIO_LINK_SSP0,
+ AUDIO_LINK_SSP1,
+ AUDIO_LINK_SSP2,
+ AUDIO_LINK_SSP3,
+ AUDIO_LINK_SSP4,
+ AUDIO_LINK_SSP5,
+ AUDIO_LINK_DMIC,
+};
+
+/* Returns < 0 on error, 0 on success. */
+int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels);
+int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink);
+int nhlt_soc_add_da7219(struct nhlt *nhlt, int hwlink);
+
+#endif
diff --git a/src/soc/intel/apollolake/nhlt.c b/src/soc/intel/apollolake/nhlt.c
new file mode 100644
index 0000000000..3670a13264
--- /dev/null
+++ b/src/soc/intel/apollolake/nhlt.c
@@ -0,0 +1,142 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/console.h>
+#include <nhlt.h>
+#include <soc/nhlt.h>
+
+static const struct nhlt_format_config dmic_2ch_formats[] = {
+ /* 48 KHz 16-bits per sample. */
+ {
+ .num_channels = 2,
+ .sample_freq_khz = 48,
+ .container_bits_per_sample = 16,
+ .valid_bits_per_sample = 16,
+ .settings_file = "dmic-2ch-48khz-16b.bin",
+ },
+};
+
+static const struct nhlt_dmic_array_config dmic_2ch_mic_config = {
+ .tdm_config = {
+ .config_type = NHLT_TDM_MIC_ARRAY,
+ },
+ .array_type = NHLT_MIC_ARRAY_2CH_SMALL,
+};
+
+static const struct nhlt_endp_descriptor dmic_2ch_descriptors[] = {
+ {
+ .link = NHLT_LINK_PDM,
+ .device = NHLT_PDM_DEV,
+ .direction = NHLT_DIR_CAPTURE,
+ .vid = NHLT_VID,
+ .did = NHLT_DID_DMIC,
+ .cfg = &dmic_2ch_mic_config,
+ .cfg_size = sizeof(dmic_2ch_mic_config),
+ .formats = dmic_2ch_formats,
+ .num_formats = ARRAY_SIZE(dmic_2ch_formats),
+ },
+};
+
+static const struct nhlt_format_config da7219_formats[] = {
+ /* 48 KHz 24-bits per sample. */
+ {
+ .num_channels = 2,
+ .sample_freq_khz = 48,
+ .container_bits_per_sample = 32,
+ .valid_bits_per_sample = 24,
+ .settings_file = "dialog-2ch-48khz-24b.bin",
+ },
+};
+
+static const struct nhlt_tdm_config tdm_config = {
+ .virtual_slot = 0,
+ .config_type = NHLT_TDM_BASIC,
+};
+
+static const struct nhlt_endp_descriptor da7219_descriptors[] = {
+ /* Render Endpoint */
+ {
+ .link = NHLT_LINK_SSP,
+ .device = NHLT_SSP_DEV_I2S,
+ .direction = NHLT_DIR_RENDER,
+ .vid = NHLT_VID,
+ .did = NHLT_DID_SSP,
+ .cfg = &tdm_config,
+ .cfg_size = sizeof(tdm_config),
+ .formats = da7219_formats,
+ .num_formats = ARRAY_SIZE(da7219_formats),
+ },
+ /* Capture Endpoint */
+ {
+ .link = NHLT_LINK_SSP,
+ .device = NHLT_SSP_DEV_I2S,
+ .direction = NHLT_DIR_CAPTURE,
+ .vid = NHLT_VID,
+ .did = NHLT_DID_SSP,
+ .cfg = &tdm_config,
+ .cfg_size = sizeof(tdm_config),
+ .formats = da7219_formats,
+ .num_formats = ARRAY_SIZE(da7219_formats),
+ },
+};
+
+static const struct nhlt_format_config max98357_formats[] = {
+ /* 48 KHz 24-bits per sample. */
+ {
+ .num_channels = 2,
+ .sample_freq_khz = 48,
+ .container_bits_per_sample = 32,
+ .valid_bits_per_sample = 24,
+ .settings_file = "max98357-render-2ch-48khz-24b.bin",
+ },
+};
+
+static const struct nhlt_endp_descriptor max98357_descriptors[] = {
+ {
+ .link = NHLT_LINK_SSP,
+ .device = NHLT_SSP_DEV_I2S,
+ .direction = NHLT_DIR_RENDER,
+ .vid = NHLT_VID,
+ .did = NHLT_DID_SSP,
+ .formats = max98357_formats,
+ .num_formats = ARRAY_SIZE(max98357_formats),
+ },
+};
+
+int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels)
+{
+ if (num_channels != 2) {
+ printk(BIOS_ERR, "APL only supports 2CH DMIC array.\n");
+ return -1;
+ }
+
+ return nhlt_add_endpoints(nhlt, dmic_2ch_descriptors,
+ ARRAY_SIZE(dmic_2ch_descriptors));
+}
+
+int nhlt_soc_add_da7219(struct nhlt *nhlt, int hwlink)
+{
+ /* Virtual bus id of SSP links are the hardware port ids proper. */
+ return nhlt_add_ssp_endpoints(nhlt, hwlink, da7219_descriptors,
+ ARRAY_SIZE(da7219_descriptors));
+}
+
+int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink)
+{
+ /* Virtual bus id of SSP links are the hardware port ids proper. */
+ return nhlt_add_ssp_endpoints(nhlt, hwlink, max98357_descriptors,
+ ARRAY_SIZE(max98357_descriptors));
+}