drm/i915: add DP_TP_CTL registers

This is one set of those registers for each pipe.

v2: use port enum to access individual registers

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 61eca8b..b497753 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4062,4 +4062,20 @@
 #define  PIPE_DDI_PORT_WIDTH_X2                        (1<<1)
 #define  PIPE_DDI_PORT_WIDTH_X4                        (3<<1)
 
+/* DisplayPort Transport Control */
+#define DP_TP_CTL_A                    0x64040
+#define DP_TP_CTL_B                    0x64140
+#define DP_TP_CTL(port) _PORT(port, \
+                                       DP_TP_CTL_A, \
+                                       DP_TP_CTL_B)
+#define  DP_TP_CTL_ENABLE              (1<<31)
+#define  DP_TP_CTL_MODE_SST    (0<<27)
+#define  DP_TP_CTL_MODE_MST    (1<<27)
+#define  DP_TP_CTL_ENHANCED_FRAME_ENABLE       (1<<18)
+#define  DP_TP_CTL_FDI_AUTOTRAIN       (1<<15)
+#define  DP_TP_CTL_LINK_TRAIN_MASK             (7<<8)
+#define  DP_TP_CTL_LINK_TRAIN_PAT1             (0<<8)
+#define  DP_TP_CTL_LINK_TRAIN_PAT2             (1<<8)
+#define  DP_TP_CTL_LINK_TRAIN_NORMAL   (3<<8)
+
 #endif /* _I915_REG_H_ */