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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-04-04 13:41:20 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-06 18:45:43 +0300 |
| commit | 2e4288319ad3e18a266461d3e63c86eb36f7a152 (patch) | |
| tree | bd77e581dd1a14a91d5dec0343fda7ceea3a7a81 /sound | |
| parent | 6857c7ee202cf4b8224882bcee8e3b97c26b6484 (diff) | |
| download | linux-2e4288319ad3e18a266461d3e63c86eb36f7a152.tar.xz | |
ASoC: SOF: Intel: hda-mlink: add helpers to enable/check interrupts
When INTC is set, LCTL exposes INTEN and INTSTS fields.
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>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230404104127.5629-12-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/intel/hda-mlink.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index 02743c342f28..026642659037 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -232,6 +232,28 @@ static int hdaml_link_shutdown(u32 __iomem *lctl, int sublink) return check_sublink_power(lctl, sublink, false); } +static void hdaml_link_enable_interrupt(u32 __iomem *lctl, bool enable) +{ + u32 val; + + val = readl(lctl); + if (enable) + val |= AZX_ML_LCTL_INTEN; + else + val &= ~AZX_ML_LCTL_INTEN; + + writel(val, lctl); +} + +static bool hdaml_link_check_interrupt(u32 __iomem *lctl) +{ + u32 val; + + val = readl(lctl); + + return val & AZX_ML_LCTL_INTSTS; +} + /* END HDAML section */ static int hda_ml_alloc_h2link(struct hdac_bus *bus, int index) @@ -340,6 +362,46 @@ int hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) } EXPORT_SYMBOL_NS(hdac_bus_eml_get_count, SND_SOC_SOF_HDA_MLINK); +void hdac_bus_eml_enable_interrupt(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; + + if (!h2link->intc) + return; + + hlink = &h2link->hext_link; + + mutex_lock(&h2link->eml_lock); + + hdaml_link_enable_interrupt(hlink->ml_addr + AZX_REG_ML_LCTL, enable); + + mutex_unlock(&h2link->eml_lock); +} +EXPORT_SYMBOL_NS(hdac_bus_eml_enable_interrupt, SND_SOC_SOF_HDA_MLINK); + +bool hdac_bus_eml_check_interrupt(struct hdac_bus *bus, bool alt, int elid) +{ + struct hdac_ext2_link *h2link; + struct hdac_ext_link *hlink; + + h2link = find_ext2_link(bus, alt, elid); + if (!h2link) + return false; + + if (!h2link->intc) + return false; + + hlink = &h2link->hext_link; + + return hdaml_link_check_interrupt(hlink->ml_addr + AZX_REG_ML_LCTL); +} +EXPORT_SYMBOL_NS(hdac_bus_eml_check_interrupt, SND_SOC_SOF_HDA_MLINK); + static int hdac_bus_eml_power_up_base(struct hdac_bus *bus, bool alt, int elid, int sublink, bool eml_lock) { |