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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-07-16 17:09:43 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-07-21 12:35:40 +0200 |
| commit | 12b161468d51c732b3d13ddd9ba707774b8096d1 (patch) | |
| tree | b665966c79d47aede8e4932d0f6d3971e9ebe0e2 /drivers/soundwire/intel_init.c | |
| parent | soundwire: intel: introduce helper for link synchronization (diff) | |
| download | linux-12b161468d51c732b3d13ddd9ba707774b8096d1.tar.xz linux-12b161468d51c732b3d13ddd9ba707774b8096d1.zip | |
soundwire: intel_init: add implementation of sdw_intel_enable_irq()
This function is required to enable all interrupts across all links.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200716150947.22119-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/intel_init.c')
| -rw-r--r-- | drivers/soundwire/intel_init.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c index f50a93130d12..d8f0c1472f1f 100644 --- a/drivers/soundwire/intel_init.c +++ b/drivers/soundwire/intel_init.c @@ -142,6 +142,30 @@ sdw_intel_scan_controller(struct sdw_intel_acpi_info *info) return 0; } +#define HDA_DSP_REG_ADSPIC2 (0x10) +#define HDA_DSP_REG_ADSPIS2 (0x14) +#define HDA_DSP_REG_ADSPIC2_SNDW BIT(5) + +/** + * sdw_intel_enable_irq() - enable/disable Intel SoundWire IRQ + * @mmio_base: The mmio base of the control register + * @enable: true if enable + */ +void sdw_intel_enable_irq(void __iomem *mmio_base, bool enable) +{ + u32 val; + + val = readl(mmio_base + HDA_DSP_REG_ADSPIC2); + + if (enable) + val |= HDA_DSP_REG_ADSPIC2_SNDW; + else + val &= ~HDA_DSP_REG_ADSPIC2_SNDW; + + writel(val, mmio_base + HDA_DSP_REG_ADSPIC2); +} +EXPORT_SYMBOL(sdw_intel_enable_irq); + static struct sdw_intel_ctx *sdw_intel_probe_controller(struct sdw_intel_res *res) { |