From: Brent Lu <brent.lu@xxxxxxxxx>
Create a new module to host common functions for machine drivers. This
patch supports Intel HDMI DAI link initialization.
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Signed-off-by: Brent Lu <brent.lu@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/intel/boards/Kconfig | 3 +
sound/soc/intel/boards/Makefile | 3 +
sound/soc/intel/boards/sof_board_helpers.c | 112 +++++++++++++++++++++
sound/soc/intel/boards/sof_board_helpers.h | 54 ++++++++++
4 files changed, 172 insertions(+)
create mode 100644 sound/soc/intel/boards/sof_board_helpers.c
create mode 100644 sound/soc/intel/boards/sof_board_helpers.h
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index d67867ce4c74..08569e0fc4a2 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -44,6 +44,9 @@ config SND_SOC_INTEL_SOF_NUVOTON_COMMON
config SND_SOC_INTEL_SOF_SSP_COMMON
tristate
+config SND_SOC_INTEL_SOF_BOARD_HELPERS
+ tristate
+
if SND_SOC_INTEL_CATPT
config SND_SOC_INTEL_HASWELL_MACH
diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
index ae78e4aa69fc..943bf8b80e01 100644
--- a/sound/soc/intel/boards/Makefile
+++ b/sound/soc/intel/boards/Makefile
@@ -102,3 +102,6 @@ obj-$(CONFIG_SND_SOC_INTEL_SOF_NUVOTON_COMMON) += snd-soc-intel-sof-nuvoton-comm
snd-soc-intel-sof-ssp-common-objs += sof_ssp_common.o
obj-$(CONFIG_SND_SOC_INTEL_SOF_SSP_COMMON) += snd-soc-intel-sof-ssp-common.o
+
+snd-soc-intel-sof-board-helpers-objs += sof_board_helpers.o
+obj-$(CONFIG_SND_SOC_INTEL_SOF_BOARD_HELPERS) += snd-soc-intel-sof-board-helpers.o
diff --git a/sound/soc/intel/boards/sof_board_helpers.c b/sound/soc/intel/boards/sof_board_helpers.c
new file mode 100644
index 000000000000..627742ce84bd
--- /dev/null
+++ b/sound/soc/intel/boards/sof_board_helpers.c
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2023 Intel Corporation. All rights reserved.
+
+#include <sound/soc.h>
+#include "hda_dsp_common.h"
+#include "sof_board_helpers.h"
+
+/*
+ * Intel HDMI DAI Link
+ */
+static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
+
+ ctx->hdmi.hdmi_comp = dai->component;
+
+ return 0;
+}
+
+int sof_intel_board_card_late_probe(struct snd_soc_card *card)
+{
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
+
+ if (!ctx->hdmi_num)
+ return 0;
+
+ if (!ctx->hdmi.idisp_codec)
+ return 0;
+
+ if (!ctx->hdmi.hdmi_comp)
+ return -EINVAL;
+
+ return hda_dsp_hdmi_build_controls(card, ctx->hdmi.hdmi_comp);
+}
+EXPORT_SYMBOL_NS(sof_intel_board_card_late_probe, SND_SOC_INTEL_SOF_BOARD_HELPERS);
+
+/*
+ * DAI Link Helpers
+ */
+static struct snd_soc_dai_link_component platform_component[] = {
+ {
+ /* name might be overridden during probe */
+ .name = "0000:00:1f.3"
+ }
+};
+
+int sof_intel_board_set_intel_hdmi_link(struct device *dev,
+ struct snd_soc_dai_link *link, int be_id,
+ int hdmi_id, bool idisp_codec)
+{
+ struct snd_soc_dai_link_component *cpus, *codecs;
+
+ dev_dbg(dev, "link %d: intel hdmi, hdmi id %d, idisp codec %d\n",
+ be_id, hdmi_id, idisp_codec);
+
+ /* link name */
+ link->name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d", hdmi_id);
+ if (!link->name)
+ return -ENOMEM;
+
+ /* cpus */
+ cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component),
+ GFP_KERNEL);
+ if (!cpus)
+ return -ENOMEM;
+
+ cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d Pin", hdmi_id);
+ if (!cpus->dai_name)
+ return -ENOMEM;
+
+ link->cpus = cpus;
+ link->num_cpus = 1;
+
+ /* codecs */
+ if (idisp_codec) {
+ codecs = devm_kzalloc(dev,
+ sizeof(struct snd_soc_dai_link_component),
+ GFP_KERNEL);
+ if (!codecs)
+ return -ENOMEM;
+
+ codecs->name = "ehdaudio0D2";
+ codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL,
+ "intel-hdmi-hifi%d", hdmi_id);
+ if (!codecs->dai_name)
+ return -ENOMEM;
+
+ link->codecs = codecs;
+ } else {
+ link->codecs = &snd_soc_dummy_dlc;
+ }
+ link->num_codecs = 1;
+
+ /* platforms */
+ link->platforms = platform_component;
+ link->num_platforms = ARRAY_SIZE(platform_component);
+
+ link->id = be_id;
+ link->init = (hdmi_id == 1) ? hdmi_init : NULL;
+ link->no_pcm = 1;
+ link->dpcm_playback = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS(sof_intel_board_set_intel_hdmi_link, SND_SOC_INTEL_SOF_BOARD_HELPERS);
+
+MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers");
+MODULE_AUTHOR("Brent Lu <brent.lu@xxxxxxxxx>");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
diff --git a/sound/soc/intel/boards/sof_board_helpers.h b/sound/soc/intel/boards/sof_board_helpers.h
new file mode 100644
index 000000000000..7a15ddaa3a2c
--- /dev/null
+++ b/sound/soc/intel/boards/sof_board_helpers.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright(c) 2023 Intel Corporation.
+ */
+
+#ifndef __SOF_INTEL_BOARD_HELPERS_H
+#define __SOF_INTEL_BOARD_HELPERS_H
+
+#include <sound/soc.h>
+#include "sof_hdmi_common.h"
+#include "sof_ssp_common.h"
+
+/*
+ * sof_rt5682_private: private data for rt5682 machine driver
+ *
+ * @mclk: mclk clock data
+ * @is_legacy_cpu: true for BYT/CHT boards
+ */
+struct sof_rt5682_private {
+ struct clk *mclk;
+ bool is_legacy_cpu;
+};
+
+/*
+ * sof_card_private: common data for machine drivers
+ *
+ * @headset_jack: headset jack data
+ * @hdmi: init data for hdmi dai link
+ * @codec_type: type of headset codec
+ * @amp_type: type of speaker amplifier
+ * @hdmi_num: number of Intel HDMI BE link
+ * @rt5682: private data for rt5682 machine driver
+ */
+struct sof_card_private {
+ struct snd_soc_jack headset_jack;
+ struct sof_hdmi_private hdmi;
+
+ enum sof_ssp_codec codec_type;
+ enum sof_ssp_codec amp_type;
+
+ int hdmi_num;
+
+ union {
+ struct sof_rt5682_private rt5682;
+ };
+};
+
+int sof_intel_board_card_late_probe(struct snd_soc_card *card);
+
+int sof_intel_board_set_intel_hdmi_link(struct device *dev,
+ struct snd_soc_dai_link *link, int be_id,
+ int hdmi_id, bool idisp_codec);
+
+#endif /* __SOF_INTEL_BOARD_HELPERS_H */
--
2.39.2
