[Intel-gfx] [PATCH 12/37] drm/i915: add SBI registers

Eugeni Dodonov eugeni.dodonov at intel.com
Thu Mar 22 02:09:47 CET 2012


Those are responsible for the Sideband Interface programming.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0af47b4..4ee8965 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3947,4 +3947,14 @@
 #define DDI_BUF_TRANS_D				0x64F20
 #define DDI_BUF_TRANS_E				0x64F80
 
+/* Sideband Interface (SBI) is programmed indirectly, via
+ * SBI_ADDR, which contains the register offset; and SBI_DATA,
+ * which contains the payload */
+#define SBI_ADDR				0xC6000
+#define SBI_DATA				0xC6004
+#define SBI_CTL_STAT			0xC6008
+#define  SBI_CTL_OP_CRRD		(0x6<<8)
+#define  SBI_CTL_OP_CRWR		(0x7<<8)
+#define  SBI_RESPONSE			(0x1<<1)
+#define  SBI_READY				(0x1<<0)
 #endif /* _I915_REG_H_ */
-- 
1.7.9.2




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