drm/i915: add DDI registers

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

v2: update to use DDI PORTS enum

v1 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>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index bca37b3082c5..61eca8b9679f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4036,4 +4036,30 @@
 #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_PORT_MASK                             (0xf<<28)
+#define  PIPE_DDI_SELECT_PORT(x)                ((x)<<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_DP_MST    (3<<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_ */