X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/d71d98729a8da95c6ac901db1e8b23eaab48a34d..4fb81ad02399f6fe21e0b1b050aeb2f82f2b3fde:/ich2/smi.c

diff --git a/ich2/smi.c b/ich2/smi.c
index 08fcc64..92607c4 100644
--- a/ich2/smi.c
+++ b/ich2/smi.c
@@ -2,6 +2,7 @@
 #include <pci.h>
 #include <io.h>
 #include <stdint.h>
+#include <vga-overlay.h>
 #include <reg-82801b.h>
 
 uint16_t _get_PMBASE()
@@ -27,3 +28,94 @@ unsigned long smi_status()
 	return inl(smi_sts);
 }
 
+void smi_poll()
+{
+	unsigned long sts = smi_status();
+	
+	if (sts & ICH2_SMI_STS_BIOS_STS)
+	{
+		dolog("Unhandled: BIOS_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_BIOS_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_LEGACY_USB_STS)
+	{
+		dolog("Unhandled: LEGACY_USB_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_LEGACY_USB_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_SLP_SMI_STS)
+	{
+		dolog("Unhandled: SLP_SMI_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_SLP_SMI_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_APM_STS)
+	{
+		dolog("Unhandled: APM_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_SLP_SMI_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_SWSMI_TMR_STS)	// Ack it, then request another.
+	{
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_SLP_SMI_STS);
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_EN,
+			inl(_get_PMBASE() + ICH2_PMBASE_SMI_EN) & ~ICH2_SMI_EN_SWSMI_TMR_EN);
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_EN,
+			inl(_get_PMBASE() + ICH2_PMBASE_SMI_EN) | ICH2_SMI_EN_SWSMI_TMR_EN);
+	}
+	
+	if (sts & ICH2_SMI_STS_PM1_STS_REG)
+	{
+		/* XXX -- trawl through PMBASE+00h to see what happened */
+	}
+	
+	if (sts & ICH2_SMI_STS_GPE0_STS)
+	{
+		/* XXX -- trawl through GPE0_STS to see what happened */
+	}
+	
+	if (sts & ICH2_SMI_STS_MCSMI_STS)
+	{
+		dolog("Unhandled: MCSMI_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_MCSMI_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_DEVMON_STS)
+	{
+		/* XXX -- trawl through DEVx_TRAP_STS to see what happened */
+		/* XXX -- trawl through DEVTRAP_STS to see what happened */
+	}
+	
+	if (sts & ICH2_SMI_STS_TCO_STS)
+	{
+		dolog("Unhandled: TCO_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_TCO_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_PERIODIC_STS)
+	{
+		dolog("Unhandled: PERIODIC_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_PERIODIC_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_SERIRQ_SMI_STS)
+	{
+		dolog("Unhandled: SERIRQ_SMI_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_SERIRQ_SMI_STS);
+	}
+	
+	if (sts & ICH2_SMI_STS_SMBUS_SMI_STS)
+	{
+		dolog("Unhandled: SMBUS_SMI_STS");
+		outl(_get_PMBASE() + ICH2_PMBASE_SMI_STS, ICH2_SMI_STS_SMBUS_SMI_STS);
+	}
+	
+	if (smi_status())
+		dolog("WARNING: failed to clear SMI_STS!");
+	
+	outl(_get_PMBASE() + ICH2_PMBASE_SMI_EN,
+		inl(_get_PMBASE() + ICH2_PMBASE_SMI_EN) |
+			ICH2_SMI_EN_EOS |
+			ICH2_SMI_EN_GBL_SMI_EN);
+}