[PATCH 1/3] drm/i915/cnl; Add macro to get PORT_TX register

[Mahesh Kumar]

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.kumar at 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 258e86eb37d5..03df9ee9e10a 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