The multi-link handling needs to be handled with dedicated helpers before cleanups and extensions.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com --- sound/soc/sof/intel/Makefile | 2 +- sound/soc/sof/intel/hda-mlink.c | 45 +++++++++++++++++++++++++++++++++ sound/soc/sof/intel/hda.c | 15 +++-------- sound/soc/sof/intel/hda.h | 12 +++++++++ 4 files changed, 61 insertions(+), 13 deletions(-) create mode 100644 sound/soc/sof/intel/hda-mlink.c
diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile index 8b8ea0361785..8201cbdd654c 100644 --- a/sound/soc/sof/intel/Makefile +++ b/sound/soc/sof/intel/Makefile @@ -5,7 +5,7 @@ snd-sof-acpi-intel-bdw-objs := bdw.o
snd-sof-intel-hda-common-objs := hda.o hda-loader.o hda-stream.o hda-trace.o \ hda-dsp.o hda-ipc.o hda-ctrl.o hda-pcm.o \ - hda-dai.o hda-bus.o \ + hda-dai.o hda-bus.o hda-mlink.o \ skl.o hda-loader-skl.o \ apl.o cnl.o tgl.o icl.o mtl.o hda-common-ops.o
diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c new file mode 100644 index 000000000000..228ec35017ec --- /dev/null +++ b/sound/soc/sof/intel/hda-mlink.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2022 Intel Corporation. All rights reserved. +// + +/* + * Management of HDaudio multi-link (capabilities, power, coupling) + */ + +#include <sound/hdaudio_ext.h> +#include <sound/hda_register.h> + +#include <linux/acpi.h> +#include <linux/module.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_intel.h> +#include <sound/intel-dsp-config.h> +#include <sound/intel-nhlt.h> +#include <sound/sof.h> +#include <sound/sof/xtensa.h> +#include "../sof-audio.h" +#include "../sof-pci-dev.h" +#include "../ops.h" +#include "hda.h" + +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) + +void hda_bus_ml_get_capabilities(struct hdac_bus *bus) +{ + if (bus->mlcap) + snd_hdac_ext_bus_get_ml_capabilities(bus); +} + +void hda_bus_ml_put_all(struct hdac_bus *bus) +{ + struct hdac_ext_link *hlink; + + list_for_each_entry(hlink, &bus->hlink_list, list) + snd_hdac_ext_bus_link_put(bus, hlink); +} + +#endif diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index fe2f1e42420c..6a1ee7f81d61 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -871,9 +871,6 @@ static int hda_init_caps(struct snd_sof_dev *sdev) { struct hdac_bus *bus = sof_to_bus(sdev); struct snd_sof_pdata *pdata = sdev->pdata; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) - struct hdac_ext_link *hlink; -#endif struct sof_intel_hda_dev *hdev = pdata->hw_pdata; u32 link_mask; int ret = 0; @@ -918,9 +915,7 @@ static int hda_init_caps(struct snd_sof_dev *sdev)
skip_soundwire:
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) - if (bus->mlcap) - snd_hdac_ext_bus_get_ml_capabilities(bus); + hda_bus_ml_get_capabilities(bus);
/* create codec instances */ hda_codec_probe_bus(sdev); @@ -928,12 +923,8 @@ static int hda_init_caps(struct snd_sof_dev *sdev) if (!HDA_IDISP_CODEC(bus->codec_mask)) hda_codec_i915_display_power(sdev, false);
- /* - * we are done probing so decrement link counts - */ - list_for_each_entry(hlink, &bus->hlink_list, list) - snd_hdac_ext_bus_link_put(bus, hlink); -#endif + hda_bus_ml_put_all(bus); + return 0; }
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index e5932763d1fc..c40364a9a761 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -742,6 +742,18 @@ static inline int hda_codec_i915_exit(struct snd_sof_dev *sdev) { return 0; }
#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) + +void hda_bus_ml_get_capabilities(struct hdac_bus *bus); +void hda_bus_ml_put_all(struct hdac_bus *bus); + +#else + +static inline void hda_bus_ml_get_capabilities(struct hdac_bus *bus) { } +static inline void hda_bus_ml_put_all(struct hdac_bus *bus) { } + +#endif /* CONFIG_SND_SOC_SOF_HDA */ + /* * Trace Control. */