[v3,15/15] soundwire: intel_init: add implementation of sdw_intel_enable_irq()
diff mbox series

Message ID 20191114175933.21992-16-pierre-louis.bossart@linux.intel.com
State New
Headers show
Series
  • soundwire: intel: implement new ASoC interfaces
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Commit Message

Pierre-Louis Bossart Nov. 14, 2019, 5:59 p.m. UTC
This function is required to enable all interrupts across all links.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 drivers/soundwire/intel_init.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Patch
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diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c
index 42f7ae034bea..14ffe9ce2929 100644
--- a/drivers/soundwire/intel_init.c
+++ b/drivers/soundwire/intel_init.c
@@ -137,6 +137,30 @@  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)
 {