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authorEugeni Dodonov2012-03-29 17:32:29 +0200
committerDaniel Vetter2012-04-09 18:04:01 +0200
commit7501a4d846c9ca3d448f0eee102ebc409d9c1b19 (patch)
tree34a6a1a5c470a33a9723ef2dd432f6bb3e640bf1 /drivers/gpu/drm/i915/i915_reg.h
parentdrm/i915: add definition of DDI buffer translations regs (diff)
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drm/i915: add SBI registers
Those are responsible for the Sideband Interface programming. v2: rename SBI bits to better reflect their meaning Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a87f41c92243..542128c80546 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4116,4 +4116,16 @@
DDI_BUF_TRANS_A, \
DDI_BUF_TRANS_B)
+/* 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_FAIL (0x1<<1)
+#define SBI_RESPONSE_SUCCESS (0x0<<1)
+#define SBI_BUSY (0x1<<0)
+#define SBI_READY (0x0<<0)
#endif /* _I915_REG_H_ */