From 2b864e969be29958eb810fb611d1eac50eb7104b Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Tue, 4 Apr 2023 13:41:25 +0300 Subject: ASoC: SOF: Intel: hda-mlink: add helpers to retrieve DMIC/SSP hlink MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Small helpers to make DAI ops simpler. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Reviewed-by: Péter Ujfalusi Reviewed-by: Ranjani Sridharan Signed-off-by: Peter Ujfalusi Reviewed-by: Takashi Iwai Link: https://lore.kernel.org/r/20230404104127.5629-17-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- include/sound/hda-mlink.h | 10 ++++++++++ sound/soc/sof/intel/hda-mlink.c | 24 ++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/sound/hda-mlink.h b/include/sound/hda-mlink.h index d626ef964ea7..bfd2c77c184d 100644 --- a/include/sound/hda-mlink.h +++ b/include/sound/hda-mlink.h @@ -7,6 +7,7 @@ */ struct hdac_bus; +struct hdac_ext_link; #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK) @@ -48,6 +49,9 @@ void hda_bus_ml_reset_losidv(struct hdac_bus *bus); int hda_bus_ml_resume(struct hdac_bus *bus); int hda_bus_ml_suspend(struct hdac_bus *bus); +struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus); +struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus); + #else static inline int @@ -141,4 +145,10 @@ static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { } static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; } static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; } +static inline struct hdac_ext_link * +hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; } + +static inline struct hdac_ext_link * +hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; } + #endif /* CONFIG_SND_SOC_SOF_HDA */ diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index 5810d6f8719c..06613c081410 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -788,6 +788,30 @@ int hda_bus_ml_suspend(struct hdac_bus *bus) } EXPORT_SYMBOL_NS(hda_bus_ml_suspend, SND_SOC_SOF_HDA_MLINK); +struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) +{ + struct hdac_ext2_link *h2link; + + h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_SSP); + if (!h2link) + return NULL; + + return &h2link->hext_link; +} +EXPORT_SYMBOL_NS(hdac_bus_eml_ssp_get_hlink, SND_SOC_SOF_HDA_MLINK); + +struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) +{ + struct hdac_ext2_link *h2link; + + h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_DMIC); + if (!h2link) + return NULL; + + return &h2link->hext_link; +} +EXPORT_SYMBOL_NS(hdac_bus_eml_dmic_get_hlink, SND_SOC_SOF_HDA_MLINK); + #endif MODULE_LICENSE("Dual BSD/GPL"); -- cgit v1.2.3