Introduce scaler registers and bit fields needed to configure the
scaling filter in prgrammed mode and configure scaling filter
coefficients.

changes since v2:
* Change macro names to CNL_* and  use +(set)*8 instead of adding
  another trip through _PICK_EVEN (Ville).
changes since v1:
* None
changes since RFC:
* Parametrize scaler coeffient macros by 'set' (Ville)

Signed-off-by: Shashank Sharma <shashank.sha...@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nauti...@intel.com>
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharad...@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9c53fe918be6..16b6e398b989 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7205,6 +7205,7 @@ enum {
 #define PS_PLANE_SEL(plane) (((plane) + 1) << 25)
 #define PS_FILTER_MASK         (3 << 23)
 #define PS_FILTER_MEDIUM       (0 << 23)
+#define PS_FILTER_PROGRAMMED   (1 << 23)
 #define PS_FILTER_EDGE_ENHANCE (2 << 23)
 #define PS_FILTER_BILINEAR     (3 << 23)
 #define PS_VERT3TAP            (1 << 21)
@@ -7219,6 +7220,10 @@ enum {
 #define PS_VADAPT_MODE_MOST_ADAPT  (3 << 5)
 #define PS_PLANE_Y_SEL_MASK  (7 << 5)
 #define PS_PLANE_Y_SEL(plane) (((plane) + 1) << 5)
+#define PS_Y_VERT_FILTER_SELECT(set)   ((set) << 4)
+#define PS_Y_HORZ_FILTER_SELECT(set)   ((set) << 3)
+#define PS_UV_VERT_FILTER_SELECT(set)  ((set) << 2)
+#define PS_UV_HORZ_FILTER_SELECT(set)  ((set) << 1)
 
 #define _PS_PWR_GATE_1A     0x68160
 #define _PS_PWR_GATE_2A     0x68260
@@ -7281,6 +7286,17 @@ enum {
 #define _PS_ECC_STAT_2B     0x68AD0
 #define _PS_ECC_STAT_1C     0x691D0
 
+#define _PS_COEF_SET0_INDEX_1A    0x68198
+#define _PS_COEF_SET0_INDEX_2A    0x68298
+#define _PS_COEF_SET0_INDEX_1B    0x68998
+#define _PS_COEF_SET0_INDEX_2B    0x68A98
+#define PS_COEE_INDEX_AUTO_INC    (1 << 10)
+
+#define _PS_COEF_SET0_DATA_1A     0x6819C
+#define _PS_COEF_SET0_DATA_2A     0x6829C
+#define _PS_COEF_SET0_DATA_1B     0x6899C
+#define _PS_COEF_SET0_DATA_2B     0x68A9C
+
 #define _ID(id, a, b) _PICK_EVEN(id, a, b)
 #define SKL_PS_CTRL(pipe, id) _MMIO_PIPE(pipe,        \
                        _ID(id, _PS_1A_CTRL, _PS_2A_CTRL),       \
@@ -7309,7 +7325,13 @@ enum {
 #define SKL_PS_ECC_STAT(pipe, id)  _MMIO_PIPE(pipe,     \
                        _ID(id, _PS_ECC_STAT_1A, _PS_ECC_STAT_2A),   \
                        _ID(id, _PS_ECC_STAT_1B, _PS_ECC_STAT_2B))
+#define CNL_PS_COEF_INDEX_SET(pipe, id, set)  _MMIO_PIPE(pipe,    \
+                       _ID(id, _PS_COEF_SET0_INDEX_1A, _PS_COEF_SET0_INDEX_2A) 
+ (set) * 8, \
+                       _ID(id, _PS_COEF_SET0_INDEX_1B, _PS_COEF_SET0_INDEX_2B) 
+ (set) * 8)
 
+#define CNL_PS_COEF_DATA_SET(pipe, id, set)  _MMIO_PIPE(pipe,     \
+                       _ID(id, _PS_COEF_SET0_DATA_1A, _PS_COEF_SET0_DATA_2A) + 
(set) * 8, \
+                       _ID(id, _PS_COEF_SET0_DATA_1B, _PS_COEF_SET0_DATA_2B) + 
(set) * 8)
 /* legacy palette */
 #define _LGC_PALETTE_A           0x4a000
 #define _LGC_PALETTE_B           0x4a800
-- 
2.23.0

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