From: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com
For DMIC and SSP, the DSP will be responsible for programming the blobs and link registers.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com --- include/sound/hda-mlink.h | 7 +++++++ sound/soc/sof/intel/hda-mlink.c | 36 +++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+)
diff --git a/include/sound/hda-mlink.h b/include/sound/hda-mlink.h index bfd2c77c184d..fee42c432fa3 100644 --- a/include/sound/hda-mlink.h +++ b/include/sound/hda-mlink.h @@ -52,6 +52,8 @@ 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);
+int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable); + #else
static inline int @@ -151,4 +153,9 @@ 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; }
+static inline int +hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable) +{ + return 0; +} #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 06613c081410..b9ce07c38bb5 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -333,6 +333,18 @@ static void hdaml_link_set_lsdiid(u32 __iomem *lsdiid, int dev_num) writel(val, lsdiid); }
+static void hdaml_lctl_offload_enable(u32 __iomem *lctl, bool enable) +{ + u32 val = readl(lctl); + + if (enable) + val |= AZX_ML_LCTL_OFLEN; + else + val &= ~AZX_ML_LCTL_OFLEN; + + writel(val, lctl); +} + /* END HDAML section */
static int hda_ml_alloc_h2link(struct hdac_bus *bus, int index) @@ -812,6 +824,30 @@ struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) } EXPORT_SYMBOL_NS(hdac_bus_eml_dmic_get_hlink, SND_SOC_SOF_HDA_MLINK);
+int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable) +{ + struct hdac_ext2_link *h2link; + struct hdac_ext_link *hlink; + + h2link = find_ext2_link(bus, alt, elid); + if (!h2link) + return -ENODEV; + + if (!h2link->ofls) + return 0; + + hlink = &h2link->hext_link; + + mutex_lock(&h2link->eml_lock); + + hdaml_lctl_offload_enable(hlink->ml_addr + AZX_REG_ML_LCTL, enable); + + mutex_unlock(&h2link->eml_lock); + + return 0; +} +EXPORT_SYMBOL_NS(hdac_bus_eml_enable_offload, SND_SOC_SOF_HDA_MLINK); + #endif
MODULE_LICENSE("Dual BSD/GPL");