From:   Kuogee Hsieh <quic_khsieh@quicinc.com>
To:     <dri-devel@lists.freedesktop.org>, <robdclark@gmail.com>,
        <sean@poorly.run>, <swboyd@chromium.org>, <dianders@chromium.org>,
        <vkoul@kernel.org>, <daniel@ffwll.ch>, <airlied@gmail.com>,
        <agross@kernel.org>, <dmitry.baryshkov@linaro.org>,
        <andersson@kernel.org>
CC:     Kuogee Hsieh <quic_khsieh@quicinc.com>,
        <quic_abhinavk@quicinc.com>, <quic_sbillaka@quicinc.com>,
        <freedreno@lists.freedesktop.org>, <linux-arm-msm@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH v1 10/14] drm/msm/disp/dpu: add supports of DSC encoder v1.2 engine
Date:   Mon, 23 Jan 2023 10:24:30 -0800
Message-ID: <1674498274-6010-11-git-send-email-quic_khsieh@quicinc.com>
In-Reply-To: <1674498274-6010-1-git-send-email-quic_khsieh@quicinc.com>
References: <1674498274-6010-1-git-send-email-quic_khsieh@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

DSC V1.2 encoder engine is newly added hardware module. This patch
add support functions to configure and enable DSC V1.2 encoder engine.

Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
---
 drivers/gpu/drm/msm/Makefile                   |   1 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c    |   2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h |  60 +++-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c     |  23 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h     |  23 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c | 371 +++++++++++++++++++++++++
 6 files changed, 463 insertions(+), 17 deletions(-)
 create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c

diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 28cf52b..271c29a15 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -65,6 +65,7 @@ msm-$(CONFIG_DRM_MSM_DPU) += \
 	disp/dpu1/dpu_hw_catalog.o \
 	disp/dpu1/dpu_hw_ctl.o \
 	disp/dpu1/dpu_hw_dsc.o \
+	disp/dpu1/dpu_hw_dsc_1_2.o \
 	disp/dpu1/dpu_dsc_helper.o \
 	disp/dpu1/dpu_hw_interrupts.o \
 	disp/dpu1/dpu_hw_intf.o \
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 7f4a439..901e317 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1821,7 +1821,7 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_dsc *hw_dsc,
 				     u32 initial_lines)
 {
 	if (hw_dsc->ops.dsc_config)
-		hw_dsc->ops.dsc_config(hw_dsc, dsc, common_mode, initial_lines);
+		hw_dsc->ops.dsc_config(hw_dsc, dsc, common_mode, initial_lines, false);
 
 	if (hw_dsc->ops.dsc_config_thresh)
 		hw_dsc->ops.dsc_config_thresh(hw_dsc, dsc);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index 978e3bd..7b0b092 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2022. Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2015-2018, 2020 The Linux Foundation. All rights reserved.
  */
 
@@ -11,6 +11,7 @@
 #include <linux/bug.h>
 #include <linux/bitmap.h>
 #include <linux/err.h>
+#include "dpu_hw_mdss.h"
 
 /**
  * Max hardware block count: For ex: max 12 SSPP pipes or
@@ -182,6 +183,7 @@ enum {
  * @DPU_PINGPONG_TE2        Additional tear check block for split pipes
  * @DPU_PINGPONG_SPLIT      PP block supports split fifo
  * @DPU_PINGPONG_SLAVE      PP block is a suitable slave for split fifo
+ * @DPU_PINGPONG_DSC,       Display stream compression blocks
  * @DPU_PINGPONG_DITHER,    Dither blocks
  * @DPU_PINGPONG_MAX
  */
@@ -190,10 +192,32 @@ enum {
 	DPU_PINGPONG_TE2,
 	DPU_PINGPONG_SPLIT,
 	DPU_PINGPONG_SLAVE,
+	DPU_PINGPONG_DSC,
 	DPU_PINGPONG_DITHER,
 	DPU_PINGPONG_MAX
 };
 
+
+/** DSC sub-blocks/features
+ * @DPU_DSC_OUTPUT_CTRL         Supports the control of the pp id which gets
+ *                              the pixel output from this DSC.
+ * @DPU_DSC_HW_REV_1_1          dsc block supports dsc 1.1 only
+ * @DPU_DSC_HW_REV_1_2          dsc block supports dsc 1.1 and 1.2
+ * @DPU_DSC_NATIVE_422_EN,      Supports native422 and native420 encoding
+ * @DPU_DSC_ENC,                DSC encoder sub block
+ * @DPU_DSC_CTL,                DSC ctl sub block
+ * @DPU_DSC_MAX
+ */
+enum {
+	DPU_DSC_OUTPUT_CTRL = 0x1,
+	DPU_DSC_HW_REV_1_1,
+	DPU_DSC_HW_REV_1_2,
+	DPU_DSC_NATIVE_422_EN,
+	DPU_DSC_ENC,
+	DPU_DSC_CTL,
+	DPU_DSC_MAX
+};
+
 /**
  * CTL sub-blocks
  * @DPU_CTL_SPLIT_DISPLAY:	CTL supports video mode split display
@@ -276,15 +300,6 @@ enum {
 };
 
 /**
- * DSC features
- * @DPU_DSC_OUTPUT_CTRL       Configure which PINGPONG block gets
- *                            the pixel output from this DSC.
- */
-enum {
-	DPU_DSC_OUTPUT_CTRL = 0x1,
-};
-
-/**
  * MACRO DPU_HW_BLK_INFO - information of HW blocks inside DPU
  * @name:              string name for debug purposes
  * @id:                enum identifying this block
@@ -346,6 +361,14 @@ struct dpu_pp_blk {
 };
 
 /**
+ * struct dpu_dsc_blk : DSC Encoder sub-blk information
+ * @info:   HW register and features supported by this sub-blk
+ */
+struct dpu_dsc_blk {
+	DPU_HW_SUBBLK_INFO;
+};
+
+/**
  * enum dpu_qos_lut_usage - define QoS LUT use cases
  */
 enum dpu_qos_lut_usage {
@@ -403,6 +426,7 @@ struct dpu_rotation_cfg {
  * @pixel_ram_size     size of latency hiding and de-tiling buffer in bytes
  * @max_hdeci_exp      max horizontal decimation supported (max is 2^value)
  * @max_vdeci_exp      max vertical decimation supported (max is 2^value)
+ * @max_dsc_width      max dsc line width support.
  */
 struct dpu_caps {
 	u32 max_mixer_width;
@@ -419,6 +443,7 @@ struct dpu_caps {
 	u32 pixel_ram_size;
 	u32 max_hdeci_exp;
 	u32 max_vdeci_exp;
+	u32 max_dsc_width;
 };
 
 /**
@@ -494,9 +519,20 @@ struct dpu_dspp_sub_blks {
 struct dpu_pingpong_sub_blks {
 	struct dpu_pp_blk te;
 	struct dpu_pp_blk te2;
+	struct dpu_pp_blk dsc;
 	struct dpu_pp_blk dither;
 };
 
+
+/**
+ * struct dpu_dsc_sub_blks : DSC sub-blks
+ *
+ */
+struct dpu_dsc_sub_blks {
+	struct dpu_dsc_blk enc;
+	struct dpu_dsc_blk ctl;
+};
+
 /**
  * dpu_clk_ctrl_type - Defines top level clock control signals
  */
@@ -641,10 +677,14 @@ struct dpu_merge_3d_cfg  {
  * struct dpu_dsc_cfg - information of DSC blocks
  * @id                 enum identifying this block
  * @base               register offset of this block
+ * @len:               length of hardware block
  * @features           bit mask identifying sub-blocks/features
+ * @dsc_pair_mask:     Bitmask of DSCs that can be controlled by same CTL
  */
 struct dpu_dsc_cfg {
 	DPU_HW_BLK_INFO;
+	DECLARE_BITMAP(dsc_pair_mask, DSC_MAX);
+	const struct dpu_dsc_sub_blks *sblk;
 };
 
 /**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
index 619926d..51e8890 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2020-2022, Linaro Limited
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved
  */
 
 #include "dpu_kms.h"
@@ -41,10 +42,11 @@ static void dpu_hw_dsc_disable(struct dpu_hw_dsc *dsc)
 static void dpu_hw_dsc_config(struct dpu_hw_dsc *hw_dsc,
 			      struct drm_dsc_config *dsc,
 			      u32 mode,
-			      u32 initial_lines)
+			      u32 initial_lines,
+			      bool ich_reset_override)
 {
 	struct dpu_hw_blk_reg_map *c = &hw_dsc->hw;
-	u32 data;
+	u32 data, lsb, bpp;
 	u32 slice_last_group_size;
 	u32 det_thresh_flatness;
 	bool is_cmd_mode = !(mode & DSC_MODE_VIDEO);
@@ -58,7 +60,14 @@ static void dpu_hw_dsc_config(struct dpu_hw_dsc *hw_dsc,
 	data = (initial_lines << 20);
 	data |= ((slice_last_group_size - 1) << 18);
 	/* bpp is 6.4 format, 4 LSBs bits are for fractional part */
-	data |= (dsc->bits_per_pixel << 8);
+	data |= dsc->bits_per_pixel << 12;
+	lsb = dsc->bits_per_pixel % 4;
+	bpp = dsc->bits_per_pixel / 4;
+	bpp *= 4;
+	bpp <<= 4;
+	bpp |= lsb;
+
+	data |= bpp << 8;
 	data |= (dsc->block_pred_enable << 7);
 	data |= (dsc->line_buf_depth << 3);
 	data |= (dsc->simple_422 << 2);
@@ -221,7 +230,13 @@ struct dpu_hw_dsc *dpu_hw_dsc_init(enum dpu_dsc idx, void __iomem *addr,
 
 	c->idx = idx;
 	c->caps = cfg;
-	_setup_dsc_ops(&c->ops, c->caps->features);
+
+	if (test_bit(DPU_DSC_HW_REV_1_1, &c->caps->features))
+		_setup_dsc_ops(&c->ops, c->caps->features);
+	else if (test_bit(DPU_DSC_HW_REV_1_2, &c->caps->features))
+		dpu_dsc_1_2_setup_ops(&c->ops, c->caps->features);
+	else
+		_setup_dsc_ops(&c->ops, c->caps->features);
 
 	return c;
 }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
index ae9b5db..a48f572 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h
@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (c) 2020-2022, Linaro Limited */
+/*
+ * Copyright (c) 2020-2022, Linaro Limited
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved
+ */
 
 #ifndef _DPU_HW_DSC_H
 #define _DPU_HW_DSC_H
@@ -33,7 +36,8 @@ struct dpu_hw_dsc_ops {
 	void (*dsc_config)(struct dpu_hw_dsc *hw_dsc,
 			   struct drm_dsc_config *dsc,
 			   u32 mode,
-			   u32 initial_lines);
+			   u32 initial_lines,
+			   bool ich_reset_override);
 
 	/**
 	 * dsc_config_thresh - programs panel thresholds
@@ -43,6 +47,12 @@ struct dpu_hw_dsc_ops {
 	void (*dsc_config_thresh)(struct dpu_hw_dsc *hw_dsc,
 				  struct drm_dsc_config *dsc);
 
+	/**
+	 * bind_pingpong_blk - enable/disable the connection with pp
+	 * @hw_dsc: Pointer to dsc context
+	 * @enable: enable/disable connection
+	 * @pp: pingpong blk id
+	 */
 	void (*dsc_bind_pingpong_blk)(struct dpu_hw_dsc *hw_dsc,
 				  bool enable,
 				  enum dpu_pingpong pp);
@@ -51,6 +61,7 @@ struct dpu_hw_dsc_ops {
 struct dpu_hw_dsc {
 	struct dpu_hw_blk base;
 	struct dpu_hw_blk_reg_map hw;
+	struct dpu_hw_ctl *hw_ctl;
 
 	/* dsc */
 	enum dpu_dsc idx;
@@ -76,9 +87,17 @@ struct dpu_hw_dsc *dpu_hw_dsc_init(enum dpu_dsc idx, void __iomem *addr,
  */
 void dpu_hw_dsc_destroy(struct dpu_hw_dsc *dsc);
 
+/**
+ * dpu_hw_dsc - convert base object dpu_hw_base to container
+ * @hw: Pointer to base hardware block
+ * return: Pointer to hardware block container
+ */
 static inline struct dpu_hw_dsc *to_dpu_hw_dsc(struct dpu_hw_blk *hw)
 {
 	return container_of(hw, struct dpu_hw_dsc, base);
 }
 
+void dpu_dsc_1_2_setup_ops(struct dpu_hw_dsc_ops *ops,
+		const unsigned long features);
+
 #endif /* _DPU_HW_DSC_H */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c
new file mode 100644
index 00000000..2be74ae
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc_1_2.c
@@ -0,0 +1,371 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved
+ */
+
+#include "dpu_kms.h"
+#include "dpu_hw_catalog.h"
+#include "dpu_hwio.h"
+#include "dpu_hw_mdss.h"
+#include "dpu_hw_dsc.h"
+
+
+#define DSC_CMN_MAIN_CNF           0x00
+
+/* DPU_DSC_ENC register offsets */
+#define ENC_DF_CTRL                0x00
+#define ENC_GENERAL_STATUS         0x04
+#define ENC_HSLICE_STATUS          0x08
+#define ENC_OUT_STATUS             0x0C
+#define ENC_INT_STAT               0x10
+#define ENC_INT_CLR                0x14
+#define ENC_INT_MASK               0x18
+#define DSC_MAIN_CONF              0x30
+#define DSC_PICTURE_SIZE           0x34
+#define DSC_SLICE_SIZE             0x38
+#define DSC_MISC_SIZE              0x3C
+#define DSC_HRD_DELAYS             0x40
+#define DSC_RC_SCALE               0x44
+#define DSC_RC_SCALE_INC_DEC       0x48
+#define DSC_RC_OFFSETS_1           0x4C
+#define DSC_RC_OFFSETS_2           0x50
+#define DSC_RC_OFFSETS_3           0x54
+#define DSC_RC_OFFSETS_4           0x58
+#define DSC_FLATNESS_QP            0x5C
+#define DSC_RC_MODEL_SIZE          0x60
+#define DSC_RC_CONFIG              0x64
+#define DSC_RC_BUF_THRESH_0        0x68
+#define DSC_RC_BUF_THRESH_1        0x6C
+#define DSC_RC_BUF_THRESH_2        0x70
+#define DSC_RC_BUF_THRESH_3        0x74
+#define DSC_RC_MIN_QP_0            0x78
+#define DSC_RC_MIN_QP_1            0x7C
+#define DSC_RC_MIN_QP_2            0x80
+#define DSC_RC_MAX_QP_0            0x84
+#define DSC_RC_MAX_QP_1            0x88
+#define DSC_RC_MAX_QP_2             0x8C
+#define DSC_RC_RANGE_BPG_OFFSETS_0  0x90
+#define DSC_RC_RANGE_BPG_OFFSETS_1  0x94
+#define DSC_RC_RANGE_BPG_OFFSETS_2  0x98
+
+/* DPU_DSC_CTL register offsets */
+#define DSC_CTL                    0x00
+#define DSC_CFG                    0x04
+#define DSC_DATA_IN_SWAP           0x08
+#define DSC_CLK_CTRL               0x0C
+
+
+static int _dsc_calc_ob_max_addr(struct dpu_hw_dsc *hw_dsc, int num_ss)
+{
+	enum dpu_dsc idx;
+
+	idx = hw_dsc->idx;
+
+	if (!(hw_dsc->caps->features & BIT(DPU_DSC_NATIVE_422_EN))) {
+		if (num_ss == 1)
+			return 2399;
+		else if (num_ss == 2)
+			return 1199;
+	} else {
+		if (num_ss == 1)
+			return 1199;
+		else if (num_ss == 2)
+			return 599;
+	}
+	return 0;
+}
+
+static inline int _dsc_subblk_offset(struct dpu_hw_dsc *hw_dsc, int s_id,
+		u32 *idx)
+{
+	const struct dpu_dsc_sub_blks *sblk;
+
+	if (!hw_dsc)
+		return -EINVAL;
+
+	*idx = 0;
+
+	sblk = hw_dsc->caps->sblk;
+
+	switch (s_id) {
+
+	case DPU_DSC_ENC:
+		*idx = sblk->enc.base;
+		break;
+	case DPU_DSC_CTL:
+		*idx = sblk->ctl.base;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void dpu_hw_dsc_disable_1_2(struct dpu_hw_dsc *hw_dsc)
+{
+	struct dpu_hw_blk_reg_map *hw;
+	u32 idx;
+
+	if (!hw_dsc)
+		return;
+
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_CTL, &idx))
+		return;
+
+	hw = &hw_dsc->hw;
+	DPU_REG_WRITE(hw, DSC_CFG + idx, 0);
+
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_ENC, &idx))
+		return;
+
+	DPU_REG_WRITE(hw, ENC_DF_CTRL + idx, 0);
+	DPU_REG_WRITE(hw, DSC_MAIN_CONF + idx, 0);
+}
+
+static void dpu_hw_dsc_config_1_2(struct dpu_hw_dsc *hw_dsc,
+		struct drm_dsc_config *dsc, u32 mode,
+		u32 initial_lines, bool ich_reset_override)
+{
+	struct dpu_hw_blk_reg_map *hw;
+	struct msm_display_dsc_info *dsc_info;
+	u32 idx;
+	u32 data = 0;
+	u32 bpp;
+	void __iomem *off;
+
+	if (!hw_dsc || !dsc)
+		return;
+
+	hw = &hw_dsc->hw;
+
+	dsc_info = to_msm_dsc_info(dsc);
+
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_ENC, &idx))
+		return;
+
+	if (mode & DSC_MODE_SPLIT_PANEL)
+		data |= BIT(0);
+
+	if (mode & DSC_MODE_MULTIPLEX)
+		data |= BIT(1);
+
+	data |= (dsc_info->num_active_ss_per_enc & 0x3) << 7;
+
+	DPU_REG_WRITE(hw, DSC_CMN_MAIN_CNF, data);
+
+	data = (dsc_info->initial_lines & 0xff);
+	data |= ((mode & DSC_MODE_VIDEO) ? 1 : 0) << 9;
+	if (ich_reset_override)
+		data |= 0xC00; // set bit 10 and 11
+	data |= (_dsc_calc_ob_max_addr(hw_dsc, dsc_info->num_active_ss_per_enc) << 18);
+
+	DPU_REG_WRITE(hw, ENC_DF_CTRL + idx, data);
+
+	data = (dsc->dsc_version_minor & 0xf) << 28;
+	if (dsc->dsc_version_minor == 0x2) {
+		if (dsc->native_422)
+			data |= BIT(22);
+		if (dsc->native_420)
+			data |= BIT(21);
+	}
+
+	bpp = dsc->bits_per_pixel;
+	/* as per hw requirement bpp should be programmed
+	 * twice the actual value in case of 420 or 422 encoding
+	 */
+	if (dsc->native_422 || dsc->native_420)
+		bpp = 2 * bpp;
+	data |= (dsc->block_pred_enable ? 1 : 0) << 20;
+	data |= (bpp << 10);
+	data |= (dsc->line_buf_depth & 0xf) << 6;
+	data |= dsc->convert_rgb << 4;
+	data |= dsc->bits_per_component & 0xf;
+
+	DPU_REG_WRITE(hw, DSC_MAIN_CONF + idx, data);
+
+	data = (dsc->pic_width & 0xffff) |
+		((dsc->pic_height & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_PICTURE_SIZE + idx, data);
+
+	data = (dsc->slice_width & 0xffff) |
+		((dsc->slice_height & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_SLICE_SIZE + idx, data);
+
+	DPU_REG_WRITE(hw, DSC_MISC_SIZE + idx,
+			(dsc->slice_chunk_size) & 0xffff);
+
+	data = (dsc->initial_xmit_delay & 0xffff) |
+		((dsc->initial_dec_delay & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_HRD_DELAYS + idx, data);
+
+	DPU_REG_WRITE(hw, DSC_RC_SCALE + idx,
+			dsc->initial_scale_value & 0x3f);
+
+	data = (dsc->scale_increment_interval & 0xffff) |
+		((dsc->scale_decrement_interval & 0x7ff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_RC_SCALE_INC_DEC + idx, data);
+
+	data = (dsc->first_line_bpg_offset & 0x1f) |
+		((dsc->second_line_bpg_offset & 0x1f) << 5);
+
+	DPU_REG_WRITE(hw, DSC_RC_OFFSETS_1 + idx, data);
+
+	data = (dsc->nfl_bpg_offset & 0xffff) |
+		((dsc->slice_bpg_offset & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_RC_OFFSETS_2 + idx, data);
+
+	data = (dsc->initial_offset & 0xffff) |
+		((dsc->final_offset & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_RC_OFFSETS_3 + idx, data);
+
+	data = (dsc->nsl_bpg_offset & 0xffff) |
+		((dsc->second_line_offset_adj & 0xffff) << 16);
+
+	DPU_REG_WRITE(hw, DSC_RC_OFFSETS_4 + idx, data);
+
+	data = (dsc->flatness_min_qp & 0x1f);
+	data |= (dsc->flatness_max_qp & 0x1f) << 5;
+	data |= (dsc_info->det_thresh_flatness & 0xff) << 10;
+
+	DPU_REG_WRITE(hw, DSC_FLATNESS_QP + idx, data);
+
+	DPU_REG_WRITE(hw, DSC_RC_MODEL_SIZE + idx,
+			(dsc->rc_model_size) & 0xffff);
+
+	data = dsc->rc_edge_factor & 0xf;
+	data |= (dsc->rc_quant_incr_limit0 & 0x1f) << 8;
+	data |= (dsc->rc_quant_incr_limit1 & 0x1f) << 13;
+	data |= (dsc->rc_tgt_offset_high & 0xf) << 20;
+	data |= (dsc->rc_tgt_offset_low & 0xf) << 24;
+
+	DPU_REG_WRITE(hw, DSC_RC_CONFIG + idx, data);
+
+	/* program the dsc wrapper */
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_CTL, &idx))
+		return;
+
+	off = hw->blk_addr + idx;
+
+	data = BIT(0); /* encoder enable */
+	if (dsc->native_422)
+		data |= BIT(8);
+	else if (dsc->native_420)
+		data |= BIT(9);
+	if (!dsc->convert_rgb)
+		data |= BIT(10);
+	if (dsc->bits_per_component == 8)
+		data |= BIT(11);
+	if (mode & DSC_MODE_SPLIT_PANEL)
+		data |= BIT(12);
+	if (mode & DSC_MODE_MULTIPLEX)
+		data |= BIT(13);
+	if (!(mode & DSC_MODE_VIDEO))
+		data |= BIT(17);
+
+	if (dsc_info->dsc_4hsmerge_en) {
+		data |= dsc_info->dsc_4hsmerge_padding << 18;
+		data |= dsc_info->dsc_4hsmerge_alignment << 22;
+		data |= BIT(16);
+	}
+
+	DPU_REG_WRITE(hw, DSC_CFG + idx, data);
+
+//	DPU_REG_WRITE(hw, DSC_DATA_IN_SWAP + idx, 0x14e5);
+}
+
+static void dpu_hw_dsc_config_thresh_1_2(struct dpu_hw_dsc *hw_dsc,
+		struct drm_dsc_config *dsc)
+{
+	struct dpu_hw_blk_reg_map *hw;
+	struct msm_display_dsc_info *dsc_info;
+	u32 idx, off;
+	int i, j = 0;
+	struct drm_dsc_rc_range_parameters *rc;
+	u32 data = 0, min_qp = 0, max_qp = 0, bpg_off = 0;
+
+	if (!hw_dsc || !dsc)
+		return;
+
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_ENC, &idx))
+		return;
+
+	hw = &hw_dsc->hw;
+
+	dsc_info = to_msm_dsc_info(dsc);
+
+	rc = dsc->rc_range_params;
+
+	off = 0;
+	for (i = 0; i < DSC_NUM_BUF_RANGES - 1; i++) {
+		data |= dsc->rc_buf_thresh[i] << (8*j);
+		j++;
+		if ((j == 4) || (i == DSC_NUM_BUF_RANGES - 2)) {
+			DPU_REG_WRITE(hw, DSC_RC_BUF_THRESH_0 + idx + off,
+					data);
+			off += 4;
+			j = 0;
+			data = 0;
+		}
+	}
+
+	off = 0;
+	for (i = 0; i < DSC_NUM_BUF_RANGES; i++) {
+		min_qp |= (rc[i].range_min_qp & 0x1f) << 5*j;
+		max_qp |= (rc[i].range_max_qp & 0x1f) << 5*j;
+		bpg_off |= (rc[i].range_bpg_offset & 0x3f) << 6*j;
+		j++;
+		if (j == 5) {
+			DPU_REG_WRITE(hw, DSC_RC_MIN_QP_0 + idx + off,
+					min_qp);
+			DPU_REG_WRITE(hw, DSC_RC_MAX_QP_0 + idx + off,
+					max_qp);
+			DPU_REG_WRITE(hw,
+					DSC_RC_RANGE_BPG_OFFSETS_0 + idx + off,
+					bpg_off);
+			off += 4;
+			j = 0;
+			min_qp = 0;
+			max_qp = 0;
+			bpg_off = 0;
+		}
+	}
+}
+
+static void dpu_hw_dsc_bind_pingpong_blk_1_2(
+		struct dpu_hw_dsc *hw_dsc,
+		bool enable,
+		const enum dpu_pingpong pp)
+{
+	struct dpu_hw_blk_reg_map *hw;
+	int idx;
+	int mux_cfg = 0xF; /* Disabled */
+
+	if (!hw_dsc)
+		return;
+
+	if (_dsc_subblk_offset(hw_dsc, DPU_DSC_CTL, &idx))
+		return;
+
+	hw = &hw_dsc->hw;
+	if (enable)
+		mux_cfg = (pp - PINGPONG_0) & 0x7;
+
+	DPU_REG_WRITE(hw, DSC_CTL + idx, mux_cfg);
+}
+
+void dpu_dsc_1_2_setup_ops(struct dpu_hw_dsc_ops *ops,
+		const unsigned long features)
+{
+	ops->dsc_disable = dpu_hw_dsc_disable_1_2;
+	ops->dsc_config = dpu_hw_dsc_config_1_2;
+	ops->dsc_config_thresh = dpu_hw_dsc_config_thresh_1_2;
+	ops->dsc_bind_pingpong_blk = dpu_hw_dsc_bind_pingpong_blk_1_2;
+}
-- 
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