[PATCH 1/3] drm/rockchip: define gamma registers for RK3399

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The VOP on RK3399 has a different approach from previous versions for
setting a gamma lookup table, using an update_gamma_lut register. As
this differs from RK3288, give RK3399 its own set of "common" register
definitions.

Signed-off-by: Hugh Cole-Baker <sigmaris@xxxxxxxxx>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.h |  2 ++
 drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 24 +++++++++++++++++++--
 drivers/gpu/drm/rockchip/rockchip_vop_reg.h |  1 +
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index 857d97cdc67c..14179e89bd21 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -99,6 +99,8 @@ struct vop_common {
 	struct vop_reg dither_down_en;
 	struct vop_reg dither_up;
 	struct vop_reg dsp_lut_en;
+	struct vop_reg update_gamma_lut;
+	struct vop_reg lut_buffer_index;
 	struct vop_reg gate_en;
 	struct vop_reg mmu_en;
 	struct vop_reg out_mode;
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 1f7353f0684a..16b70c2d87d2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -865,6 +865,24 @@ static const struct vop_output rk3399_output = {
 	.mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3),
 };
 
+static const struct vop_common rk3399_common = {
+	.standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22),
+	.gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23),
+	.mmu_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 20),
+	.dither_down_sel = VOP_REG(RK3399_DSP_CTRL1, 0x1, 4),
+	.dither_down_mode = VOP_REG(RK3399_DSP_CTRL1, 0x1, 3),
+	.dither_down_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 2),
+	.pre_dither_down = VOP_REG(RK3399_DSP_CTRL1, 0x1, 1),
+	.dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6),
+	.dsp_lut_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 0),
+	.update_gamma_lut = VOP_REG(RK3399_DSP_CTRL1, 0x1, 7),
+	.lut_buffer_index = VOP_REG(RK3399_DBG_POST_REG1, 0x1, 1),
+	.data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19),
+	.dsp_blank = VOP_REG(RK3399_DSP_CTRL0, 0x3, 18),
+	.out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0),
+	.cfg_done = VOP_REG_SYNC(RK3399_REG_CFG_DONE, 0x1, 0),
+};
+
 static const struct vop_yuv2yuv_phy rk3399_yuv2yuv_win01_data = {
 	.y2r_coefficients = {
 		VOP_REG(RK3399_WIN0_YUV2YUV_Y2R + 0, 0xffff, 0),
@@ -944,7 +962,7 @@ static const struct vop_data rk3399_vop_big = {
 	.version = VOP_VERSION(3, 5),
 	.feature = VOP_FEATURE_OUTPUT_RGB10,
 	.intr = &rk3366_vop_intr,
-	.common = &rk3288_common,
+	.common = &rk3399_common,
 	.modeset = &rk3288_modeset,
 	.output = &rk3399_output,
 	.afbc = &rk3399_vop_afbc,
@@ -952,6 +970,7 @@ static const struct vop_data rk3399_vop_big = {
 	.win = rk3399_vop_win_data,
 	.win_size = ARRAY_SIZE(rk3399_vop_win_data),
 	.win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data,
+	.lut_size = 1024,
 };
 
 static const struct vop_win_data rk3399_vop_lit_win_data[] = {
@@ -970,13 +989,14 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_lit_win_yuv2yuv_data[] = {
 static const struct vop_data rk3399_vop_lit = {
 	.version = VOP_VERSION(3, 6),
 	.intr = &rk3366_vop_intr,
-	.common = &rk3288_common,
+	.common = &rk3399_common,
 	.modeset = &rk3288_modeset,
 	.output = &rk3399_output,
 	.misc = &rk3368_misc,
 	.win = rk3399_vop_lit_win_data,
 	.win_size = ARRAY_SIZE(rk3399_vop_lit_win_data),
 	.win_yuv2yuv = rk3399_vop_lit_win_yuv2yuv_data,
+	.lut_size = 256,
 };
 
 static const struct vop_win_data rk3228_vop_win_data[] = {
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
index 0b3cd65ba5c1..406e981c75bd 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
@@ -628,6 +628,7 @@
 #define RK3399_YUV2YUV_WIN			0x02c0
 #define RK3399_YUV2YUV_POST			0x02c4
 #define RK3399_AUTO_GATING_EN			0x02cc
+#define RK3399_DBG_POST_REG1			0x036c
 #define RK3399_WIN0_CSC_COE			0x03a0
 #define RK3399_WIN1_CSC_COE			0x03c0
 #define RK3399_WIN2_CSC_COE			0x03e0
-- 
2.24.3 (Apple Git-128)




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