There is one set of such registers for each pipe (A/B/C/EDP).

Signed-off-by: Eugeni Dodonov <[email protected]>
---
 drivers/gpu/drm/i915/i915_reg.h |   27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ddc9c87..09b2267 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3863,4 +3863,31 @@
 #define   HSW_PWR_WELL_FORCE_ON        (1<<19)
 #define HSW_PWR_WELL_CTL6              0x45414
 
+/* Per-pipe DDI Function Control */
+#define PIPE_DDI_FUNC_CTL_A                    0x60400
+#define PIPE_DDI_FUNC_CTL_B                    0x61400
+#define PIPE_DDI_FUNC_CTL_C                    0x62400
+#define PIPE_DDI_FUNC_CTL_EDP          0x6F400
+#define DDI_FUNC_CTL(pipe) _PIPE(pipe, \
+                                       PIPE_DDI_FUNC_CTL_A, \
+                                       PIPE_DDI_FUNC_CTL_B)
+#define  PIPE_DDI_FUNC_ENABLE          (1<<31)
+/* Those bits are ignored by pipe EDP since it can only connect to DDI A */
+#define  PIPE_DDI_SELECT_DDI_B (0x1<<28)
+#define  PIPE_DDI_SELECT_DDI_C (0x2<<28)
+#define  PIPE_DDI_SELECT_DDI_D (0x3<<28)
+#define  PIPE_DDI_SELECT_DDI_E (0x4<<28)
+#define  PIPE_DDI_MODE_SELECT_HDMI     (0<<24)
+#define  PIPE_DDI_MODE_SELECT_DVI      (1<<24)
+#define  PIPE_DDI_MODE_SELECT_DP_SST   (2<<24)
+#define  PIPE_DDI_MODE_SELECT_FDI      (4<<24)
+#define  PIPE_DDI_BPC_8                                (0<<20)
+#define  PIPE_DDI_BPC_10                       (1<<20)
+#define  PIPE_DDI_BPC_6                                (2<<20)
+#define  PIPE_DDI_BPC_12                       (3<<20)
+#define  PIPE_DDI_BFI_ENABLE           (1<<4)
+#define  PIPE_DDI_PORT_WIDTH_X1                        (0<<1)
+#define  PIPE_DDI_PORT_WIDTH_X2                        (1<<1)
+#define  PIPE_DDI_PORT_WIDTH_X4                        (3<<1)
+
 #endif /* _I915_REG_H_ */
-- 
1.7.9.2

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