This patch creates a new macro to get PORT_TX register for any given DW.
This will remove the need of defining register address for each port & DW.

Signed-off-by: Mahesh Kumar <mahesh1.ku...@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e6a8c0ee7df1..30ef3513dc6f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1964,6 +1964,34 @@ enum i915_power_well_id {
                                                    _CNL_PORT_PCS_DW1_LN0_F)
 #define   COMMON_KEEPER_EN             (1 << 26)
 
+/* CNL Port TX registers */
+#define _CNL_PORT_TX_AE_GRP_OFFSET             0x162340
+#define _CNL_PORT_TX_B_GRP_OFFSET              0x1623C0
+#define _CNL_PORT_TX_C_GRP_OFFSET              0x162B40
+#define _CNL_PORT_TX_D_GRP_OFFSET              0x162BC0
+#define _CNL_PORT_TX_F_GRP_OFFSET              0x162A40
+#define _CNL_PORT_TX_AE_LN0_OFFSET             0x162440
+#define _CNL_PORT_TX_B_LN0_OFFSET              0x162640
+#define _CNL_PORT_TX_C_LN0_OFFSET              0x162C40
+#define _CNL_PORT_TX_D_LN0_OFFSET              0x162E40
+#define _CNL_PORT_TX_F_LN0_OFFSET              0x162840
+#define CNL_PORT_TX_DW_GRP(port, dw)   (_PICK((port), \
+                                              _CNL_PORT_TX_AE_GRP_OFFSET, \
+                                              _CNL_PORT_TX_B_GRP_OFFSET, \
+                                              _CNL_PORT_TX_B_GRP_OFFSET, \
+                                              _CNL_PORT_TX_D_GRP_OFFSET, \
+                                              _CNL_PORT_TX_AE_GRP_OFFSET, \
+                                              _CNL_PORT_TX_F_GRP_OFFSET) + \
+                                              4*(dw))
+#define CNL_PORT_TX_DW_LN0(port, dw)   (_PICK((port), \
+                                              _CNL_PORT_TX_AE_LN0_OFFSET, \
+                                              _CNL_PORT_TX_B_LN0_OFFSET, \
+                                              _CNL_PORT_TX_B_LN0_OFFSET, \
+                                              _CNL_PORT_TX_D_LN0_OFFSET, \
+                                              _CNL_PORT_TX_AE_LN0_OFFSET, \
+                                              _CNL_PORT_TX_F_LN0_OFFSET) + \
+                                              4*(dw))
+
 #define _CNL_PORT_TX_DW2_GRP_AE                0x162348
 #define _CNL_PORT_TX_DW2_GRP_B         0x1623C8
 #define _CNL_PORT_TX_DW2_GRP_C         0x162B48
-- 
2.14.1

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