Resguardo inicial

linux-7.2.3/drivers/media/platform/mediatek/mdp3/Kconfig

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_MEDIATEK_MDP3
+	tristate "MediaTek MDP v3 driver"
+	depends on MTK_IOMMU || COMPILE_TEST
+	depends on VIDEO_DEV
+	depends on HAS_DMA
+	depends on REMOTEPROC
+	depends on MTK_MMSYS
+	depends on MTK_CMDQ
+	depends on MTK_SCP
+	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_MEM2MEM_DEV
+	default n
+	help
+	    It is a v4l2 driver and present in MediaTek MT8183 SoC.
+	    The driver supports scaling and color space conversion.
+
+	    To compile this driver as a module, choose M here: the
+	    module will be called mtk-mdp3.

linux-7.2.3/drivers/media/platform/mediatek/mdp3/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+mtk-mdp3-y += mdp_cfg_data.o mtk-mdp3-core.o mtk-mdp3-vpu.o mtk-mdp3-regs.o
+mtk-mdp3-y += mtk-mdp3-m2m.o
+mtk-mdp3-y += mtk-mdp3-comp.o mtk-mdp3-cmdq.o
+
+obj-$(CONFIG_VIDEO_MEDIATEK_MDP3) += mtk-mdp3.o

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_aal.h

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_AAL_H__
+#define __MDP_REG_AAL_H__
+
+#define MDP_AAL_EN			(0x000)
+#define MDP_AAL_CFG			(0x020)
+#define MDP_AAL_SIZE			(0x030)
+#define MDP_AAL_OUTPUT_SIZE		(0x034)
+#define MDP_AAL_OUTPUT_OFFSET		(0x038)
+#define MDP_AAL_CFG_MAIN		(0x200)
+
+/* MASK */
+#define MDP_AAL_EN_MASK			(0x01)
+#define MDP_AAL_CFG_MASK		(0x70FF00B3)
+#define MDP_AAL_SIZE_MASK		(0x1FFF1FFF)
+#define MDP_AAL_OUTPUT_SIZE_MASK	(0x1FFF1FFF)
+#define MDP_AAL_OUTPUT_OFFSET_MASK	(0x0FF00FF)
+#define MDP_AAL_CFG_MAIN_MASK		(0x0FE)
+
+#endif  // __MDP_REG_AAL_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_ccorr.h

@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_CCORR_H__
+#define __MDP_REG_CCORR_H__
+
+#define MDP_CCORR_EN                0x000
+#define MDP_CCORR_CFG               0x020
+#define MDP_CCORR_SIZE              0x030
+
+/* MASK */
+#define MDP_CCORR_EN_MASK           0x00000001
+#define MDP_CCORR_CFG_MASK          0x70001317
+#define MDP_CCORR_SIZE_MASK         0x1fff1fff
+
+#endif  // __MDP_REG_CCORR_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_color.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_COLOR_H__
+#define __MDP_REG_COLOR_H__
+
+#define MDP_COLOR_WIN_X_MAIN			(0x40C)
+#define MDP_COLOR_WIN_Y_MAIN			(0x410)
+#define MDP_COLOR_START				(0xC00)
+#define MDP_COLOR_INTEN				(0xC04)
+#define MDP_COLOR_OUT_SEL			(0xC0C)
+#define MDP_COLOR_INTERNAL_IP_WIDTH		(0xC50)
+#define MDP_COLOR_INTERNAL_IP_HEIGHT		(0xC54)
+#define MDP_COLOR_CM1_EN			(0xC60)
+#define MDP_COLOR_CM2_EN			(0xCA0)
+
+/* MASK */
+#define MDP_COLOR_WIN_X_MAIN_MASK		(0xFFFFFFFF)
+#define MDP_COLOR_WIN_Y_MAIN_MASK		(0xFFFFFFFF)
+#define MDP_COLOR_START_MASK			(0x0FF013F)
+#define MDP_COLOR_INTEN_MASK			(0x07)
+#define MDP_COLOR_OUT_SEL_MASK			(0x0777)
+#define MDP_COLOR_INTERNAL_IP_WIDTH_MASK	(0x03FFF)
+#define MDP_COLOR_INTERNAL_IP_HEIGHT_MASK	(0x03FFF)
+#define MDP_COLOR_CM1_EN_MASK			(0x03)
+#define MDP_COLOR_CM2_EN_MASK			(0x017)
+
+#endif  // __MDP_REG_COLOR_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_fg.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_FG_H__
+#define __MDP_REG_FG_H__
+
+#define MDP_FG_TRIGGER			(0x0)
+#define MDP_FG_FG_CTRL_0		(0x20)
+#define MDP_FG_FG_CK_EN			(0x24)
+#define MDP_FG_TILE_INFO_0		(0x418)
+#define MDP_FG_TILE_INFO_1		(0x41c)
+
+/* MASK */
+#define MDP_FG_TRIGGER_MASK		(0x00000007)
+#define MDP_FG_FG_CTRL_0_MASK		(0x00000033)
+#define MDP_FG_FG_CK_EN_MASK		(0x0000000F)
+#define MDP_FG_TILE_INFO_0_MASK		(0xFFFFFFFF)
+#define MDP_FG_TILE_INFO_1_MASK		(0xFFFFFFFF)
+
+#endif  //__MDP_REG_FG_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_hdr.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_HDR_H__
+#define __MDP_REG_HDR_H__
+
+#define MDP_HDR_TOP			(0x000)
+#define MDP_HDR_RELAY			(0x004)
+#define MDP_HDR_SIZE_0			(0x014)
+#define MDP_HDR_SIZE_1			(0x018)
+#define MDP_HDR_SIZE_2			(0x01C)
+#define MDP_HDR_HIST_CTRL_0		(0x020)
+#define MDP_HDR_HIST_CTRL_1		(0x024)
+#define MDP_HDR_HIST_ADDR		(0x0DC)
+#define MDP_HDR_TILE_POS		(0x118)
+
+/* MASK */
+#define MDP_HDR_RELAY_MASK		(0x01)
+#define MDP_HDR_TOP_MASK		(0xFF0FEB6D)
+#define MDP_HDR_SIZE_0_MASK		(0x1FFF1FFF)
+#define MDP_HDR_SIZE_1_MASK		(0x1FFF1FFF)
+#define MDP_HDR_SIZE_2_MASK		(0x1FFF1FFF)
+#define MDP_HDR_HIST_CTRL_0_MASK	(0x1FFF1FFF)
+#define MDP_HDR_HIST_CTRL_1_MASK	(0x1FFF1FFF)
+#define MDP_HDR_HIST_ADDR_MASK		(0xBF3F2F3F)
+#define MDP_HDR_TILE_POS_MASK		(0x1FFF1FFF)
+
+#endif // __MDP_REG_HDR_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_merge.h

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_MERGE_H__
+#define __MDP_REG_MERGE_H__
+
+#define MDP_MERGE_ENABLE	(0x000)
+#define MDP_MERGE_CFG_0		(0x010)
+#define MDP_MERGE_CFG_4		(0x020)
+#define MDP_MERGE_CFG_12	(0x040)
+#define MDP_MERGE_CFG_24	(0x070)
+#define MDP_MERGE_CFG_25	(0x074)
+
+/* MASK */
+#define MDP_MERGE_ENABLE_MASK	(0xFFFFFFFF)
+#define MDP_MERGE_CFG_0_MASK	(0xFFFFFFFF)
+#define MDP_MERGE_CFG_4_MASK	(0xFFFFFFFF)
+#define MDP_MERGE_CFG_12_MASK	(0xFFFFFFFF)
+#define MDP_MERGE_CFG_24_MASK	(0xFFFFFFFF)
+#define MDP_MERGE_CFG_25_MASK	(0xFFFFFFFF)
+
+#endif //__MDP_REG_MERGE_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_ovl.h

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_OVL_H__
+#define __MDP_REG_OVL_H__
+
+#define MDP_OVL_EN			(0x00c)
+#define MDP_OVL_ROI_SIZE		(0x020)
+#define MDP_OVL_DP_CON			(0x024)
+#define MDP_OVL_SRC_CON			(0x02c)
+#define MDP_OVL_L0_CON			(0x030)
+#define MDP_OVL_L0_SRC_SIZE		(0x038)
+
+/* MASK */
+#define MDP_OVL_DP_CON_MASK		(0x0FFFFFFF)
+#define MDP_OVL_EN_MASK			(0xB07D07B1)
+#define MDP_OVL_L0_CON_MASK		(0xFFFFFFFF)
+#define MDP_OVL_L0_SRC_SIZE_MASK	(0x1FFF1FFF)
+#define MDP_OVL_ROI_SIZE_MASK		(0x1FFF1FFF)
+#define MDP_OVL_SRC_CON_MASK		(0x0000031F)
+
+#endif  //__MDP_REG_OVL_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_pad.h

@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_PAD_H__
+#define __MDP_REG_PAD_H__
+
+#define MDP_PAD_CON			(0x000)
+#define MDP_PAD_PIC_SIZE		(0x004)
+#define MDP_PAD_W_SIZE			(0x008)
+#define MDP_PAD_H_SIZE			(0x00c)
+
+/* MASK */
+#define MDP_PAD_CON_MASK		(0x00000007)
+#define MDP_PAD_PIC_SIZE_MASK		(0xFFFFFFFF)
+#define MDP_PAD_W_SIZE_MASK		(0x1FFF1FFF)
+#define MDP_PAD_H_SIZE_MASK		(0x1FFF1FFF)
+
+#endif  // __MDP_REG_PAD_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_rdma.h

@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_RDMA_H__
+#define __MDP_REG_RDMA_H__
+
+#define MDP_RDMA_EN                     0x000
+#define MDP_RDMA_RESET                  0x008
+#define MDP_RDMA_CON                    0x020
+#define MDP_RDMA_GMCIF_CON              0x028
+#define MDP_RDMA_SRC_CON                0x030
+#define MDP_RDMA_MF_BKGD_SIZE_IN_BYTE   0x060
+#define MDP_RDMA_MF_BKGD_SIZE_IN_PXL    0x068
+#define MDP_RDMA_MF_SRC_SIZE            0x070
+#define MDP_RDMA_MF_CLIP_SIZE           0x078
+#define MDP_RDMA_MF_OFFSET_1            0x080
+#define MDP_RDMA_SF_BKGD_SIZE_IN_BYTE   0x090
+#define MDP_RDMA_SRC_END_0              0x100
+#define MDP_RDMA_SRC_END_1              0x108
+#define MDP_RDMA_SRC_END_2              0x110
+#define MDP_RDMA_SRC_OFFSET_0           0x118
+#define MDP_RDMA_SRC_OFFSET_1           0x120
+#define MDP_RDMA_SRC_OFFSET_2           0x128
+#define MDP_RDMA_SRC_OFFSET_0_P         0x148
+#define MDP_RDMA_TRANSFORM_0            0x200
+#define MDP_RDMA_DMABUF_CON_0           0x240
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_0    0x248
+#define MDP_RDMA_ULTRA_TH_LOW_CON_0     0x250
+#define MDP_RDMA_DMABUF_CON_1           0x258
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_1    0x260
+#define MDP_RDMA_ULTRA_TH_LOW_CON_1     0x268
+#define MDP_RDMA_DMABUF_CON_2           0x270
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_2    0x278
+#define MDP_RDMA_ULTRA_TH_LOW_CON_2     0x280
+#define MDP_RDMA_DMABUF_CON_3           0x288
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_3    0x290
+#define MDP_RDMA_ULTRA_TH_LOW_CON_3     0x298
+#define MDP_RDMA_RESV_DUMMY_0           0x2a0
+#define MDP_RDMA_MON_STA_1              0x408
+#define MDP_RDMA_SRC_BASE_0             0xf00
+#define MDP_RDMA_SRC_BASE_1             0xf08
+#define MDP_RDMA_SRC_BASE_2             0xf10
+#define MDP_RDMA_UFO_DEC_LENGTH_BASE_Y  0xf20
+#define MDP_RDMA_UFO_DEC_LENGTH_BASE_C  0xf28
+
+/* MASK */
+#define MDP_RDMA_EN_MASK                    0x00000001
+#define MDP_RDMA_RESET_MASK                 0x00000001
+#define MDP_RDMA_CON_MASK                   0x00001110
+#define MDP_RDMA_GMCIF_CON_MASK             0xfffb3771
+#define MDP_RDMA_SRC_CON_MASK               0xf3ffffff
+#define MDP_RDMA_MF_BKGD_SIZE_IN_BYTE_MASK  0x001fffff
+#define MDP_RDMA_MF_BKGD_SIZE_IN_PXL_MASK   0x001fffff
+#define MDP_RDMA_MF_SRC_SIZE_MASK           0x1fff1fff
+#define MDP_RDMA_MF_CLIP_SIZE_MASK          0x1fff1fff
+#define MDP_RDMA_MF_OFFSET_1_MASK           0x003f001f
+#define MDP_RDMA_SF_BKGD_SIZE_IN_BYTE_MASK  0x001fffff
+#define MDP_RDMA_SRC_END_0_MASK             0xffffffff
+#define MDP_RDMA_SRC_END_1_MASK             0xffffffff
+#define MDP_RDMA_SRC_END_2_MASK             0xffffffff
+#define MDP_RDMA_SRC_OFFSET_0_MASK          0xffffffff
+#define MDP_RDMA_SRC_OFFSET_1_MASK          0xffffffff
+#define MDP_RDMA_SRC_OFFSET_2_MASK          0xffffffff
+#define MDP_RDMA_SRC_OFFSET_0_P_MASK        0xffffffff
+#define MDP_RDMA_TRANSFORM_0_MASK           0xff110777
+#define MDP_RDMA_DMABUF_CON_0_MASK          0x0fff00ff
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_0_MASK   0x3fffffff
+#define MDP_RDMA_ULTRA_TH_LOW_CON_0_MASK    0x3fffffff
+#define MDP_RDMA_DMABUF_CON_1_MASK          0x0f7f007f
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_1_MASK   0x3fffffff
+#define MDP_RDMA_ULTRA_TH_LOW_CON_1_MASK    0x3fffffff
+#define MDP_RDMA_DMABUF_CON_2_MASK          0x0f3f003f
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_2_MASK   0x3fffffff
+#define MDP_RDMA_ULTRA_TH_LOW_CON_2_MASK    0x3fffffff
+#define MDP_RDMA_DMABUF_CON_3_MASK          0x0f3f003f
+#define MDP_RDMA_ULTRA_TH_HIGH_CON_3_MASK   0x3fffffff
+#define MDP_RDMA_ULTRA_TH_LOW_CON_3_MASK    0x3fffffff
+#define MDP_RDMA_RESV_DUMMY_0_MASK          0xffffffff
+#define MDP_RDMA_MON_STA_1_MASK             0xffffffff
+#define MDP_RDMA_SRC_BASE_0_MASK            0xffffffff
+#define MDP_RDMA_SRC_BASE_1_MASK            0xffffffff
+#define MDP_RDMA_SRC_BASE_2_MASK            0xffffffff
+#define MDP_RDMA_UFO_DEC_LENGTH_BASE_Y_MASK 0xffffffff
+#define MDP_RDMA_UFO_DEC_LENGTH_BASE_C_MASK 0xffffffff
+
+#endif  // __MDP_REG_RDMA_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_rsz.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_RSZ_H__
+#define __MDP_REG_RSZ_H__
+
+#define PRZ_ENABLE                                        0x000
+#define PRZ_CONTROL_1                                     0x004
+#define PRZ_CONTROL_2                                     0x008
+#define PRZ_INPUT_IMAGE                                   0x010
+#define PRZ_OUTPUT_IMAGE                                  0x014
+#define PRZ_HORIZONTAL_COEFF_STEP                         0x018
+#define PRZ_VERTICAL_COEFF_STEP                           0x01c
+#define PRZ_LUMA_HORIZONTAL_INTEGER_OFFSET                0x020
+#define PRZ_LUMA_HORIZONTAL_SUBPIXEL_OFFSET               0x024
+#define PRZ_LUMA_VERTICAL_INTEGER_OFFSET                  0x028
+#define PRZ_LUMA_VERTICAL_SUBPIXEL_OFFSET                 0x02c
+#define PRZ_CHROMA_HORIZONTAL_INTEGER_OFFSET              0x030
+#define PRZ_CHROMA_HORIZONTAL_SUBPIXEL_OFFSET             0x034
+#define RSZ_ETC_CONTROL                                   0x22c
+
+/* MASK */
+#define PRZ_ENABLE_MASK                                   0x00010001
+#define PRZ_CONTROL_1_MASK                                0xfffffff3
+#define PRZ_CONTROL_2_MASK                                0x0ffffaff
+#define PRZ_INPUT_IMAGE_MASK                              0xffffffff
+#define PRZ_OUTPUT_IMAGE_MASK                             0xffffffff
+#define PRZ_HORIZONTAL_COEFF_STEP_MASK                    0x007fffff
+#define PRZ_VERTICAL_COEFF_STEP_MASK                      0x007fffff
+#define PRZ_LUMA_HORIZONTAL_INTEGER_OFFSET_MASK           0x0000ffff
+#define PRZ_LUMA_HORIZONTAL_SUBPIXEL_OFFSET_MASK          0x001fffff
+#define PRZ_LUMA_VERTICAL_INTEGER_OFFSET_MASK             0x0000ffff
+#define PRZ_LUMA_VERTICAL_SUBPIXEL_OFFSET_MASK            0x001fffff
+#define PRZ_CHROMA_HORIZONTAL_INTEGER_OFFSET_MASK         0x0000ffff
+#define PRZ_CHROMA_HORIZONTAL_SUBPIXEL_OFFSET_MASK        0x001fffff
+#define RSZ_ETC_CONTROL_MASK                              0xff770000
+
+#endif // __MDP_REG_RSZ_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_tdshp.h

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_TDSHP_H__
+#define __MDP_REG_TDSHP_H__
+
+#define MDP_HIST_CFG_00				(0x064)
+#define MDP_HIST_CFG_01				(0x068)
+#define MDP_TDSHP_CTRL				(0x100)
+#define MDP_TDSHP_CFG				(0x110)
+#define MDP_TDSHP_INPUT_SIZE			(0x120)
+#define MDP_TDSHP_OUTPUT_OFFSET			(0x124)
+#define MDP_TDSHP_OUTPUT_SIZE			(0x128)
+#define MDP_LUMA_HIST_INIT			(0x200)
+#define MDP_DC_TWO_D_W1_RESULT_INIT		(0x260)
+#define MDP_CONTOUR_HIST_INIT			(0x398)
+
+/* MASK */
+#define MDP_HIST_CFG_00_MASK			(0xFFFFFFFF)
+#define MDP_HIST_CFG_01_MASK			(0xFFFFFFFF)
+#define MDP_LUMA_HIST_MASK			(0xFFFFFFFF)
+#define MDP_TDSHP_CTRL_MASK			(0x07)
+#define MDP_TDSHP_CFG_MASK			(0x03F7)
+#define MDP_TDSHP_INPUT_SIZE_MASK		(0x1FFF1FFF)
+#define MDP_TDSHP_OUTPUT_OFFSET_MASK		(0x0FF00FF)
+#define MDP_TDSHP_OUTPUT_SIZE_MASK		(0x1FFF1FFF)
+#define MDP_LUMA_HIST_INIT_MASK			(0xFFFFFFFF)
+#define MDP_DC_TWO_D_W1_RESULT_INIT_MASK	(0x007FFFFF)
+#define MDP_CONTOUR_HIST_INIT_MASK		(0xFFFFFFFF)
+
+#endif  // __MDP_REG_TDSHP_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_wdma.h

@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_WDMA_H__
+#define __MDP_REG_WDMA_H__
+
+#define WDMA_EN                 0x008
+#define WDMA_RST                0x00c
+#define WDMA_CFG                0x014
+#define WDMA_SRC_SIZE           0x018
+#define WDMA_CLIP_SIZE          0x01c
+#define WDMA_CLIP_COORD         0x020
+#define WDMA_DST_W_IN_BYTE      0x028
+#define WDMA_ALPHA              0x02c
+#define WDMA_BUF_CON2           0x03c
+#define WDMA_DST_UV_PITCH       0x078
+#define WDMA_DST_ADDR_OFFSET    0x080
+#define WDMA_DST_U_ADDR_OFFSET  0x084
+#define WDMA_DST_V_ADDR_OFFSET  0x088
+#define WDMA_FLOW_CTRL_DBG      0x0a0
+#define WDMA_DST_ADDR           0xf00
+#define WDMA_DST_U_ADDR         0xf04
+#define WDMA_DST_V_ADDR         0xf08
+
+/* MASK */
+#define WDMA_EN_MASK                0x00000001
+#define WDMA_RST_MASK               0x00000001
+#define WDMA_CFG_MASK               0xff03bff0
+#define WDMA_SRC_SIZE_MASK          0x3fff3fff
+#define WDMA_CLIP_SIZE_MASK         0x3fff3fff
+#define WDMA_CLIP_COORD_MASK        0x3fff3fff
+#define WDMA_DST_W_IN_BYTE_MASK     0x0000ffff
+#define WDMA_ALPHA_MASK             0x800000ff
+#define WDMA_BUF_CON2_MASK          0xffffffff
+#define WDMA_DST_UV_PITCH_MASK      0x0000ffff
+#define WDMA_DST_ADDR_OFFSET_MASK   0x0fffffff
+#define WDMA_DST_U_ADDR_OFFSET_MASK 0x0fffffff
+#define WDMA_DST_V_ADDR_OFFSET_MASK 0x0fffffff
+#define WDMA_FLOW_CTRL_DBG_MASK     0x0000f3ff
+#define WDMA_DST_ADDR_MASK          0xffffffff
+#define WDMA_DST_U_ADDR_MASK        0xffffffff
+#define WDMA_DST_V_ADDR_MASK        0xffffffff
+
+#endif  // __MDP_REG_WDMA_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_reg_wrot.h

@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_REG_WROT_H__
+#define __MDP_REG_WROT_H__
+
+#define VIDO_CTRL                   0x000
+#define VIDO_MAIN_BUF_SIZE          0x008
+#define VIDO_SOFT_RST               0x010
+#define VIDO_SOFT_RST_STAT          0x014
+#define VIDO_CROP_OFST              0x020
+#define VIDO_TAR_SIZE               0x024
+#define VIDO_OFST_ADDR              0x02c
+#define VIDO_STRIDE                 0x030
+#define VIDO_OFST_ADDR_C            0x038
+#define VIDO_STRIDE_C               0x03c
+#define VIDO_CTRL_2                 0x048
+#define VIDO_DITHER                 0x054
+#define VIDO_STRIDE_V               0x06c
+#define VIDO_OFST_ADDR_V            0x068
+#define VIDO_RSV_1                  0x070
+#define VIDO_DMA_PREULTRA           0x074
+#define VIDO_IN_SIZE                0x078
+#define VIDO_ROT_EN                 0x07c
+#define VIDO_FIFO_TEST              0x080
+#define VIDO_MAT_CTRL               0x084
+#define VIDO_SCAN_10BIT             0x0dc
+#define VIDO_PENDING_ZERO           0x0e0
+#define VIDO_BASE_ADDR              0xf00
+#define VIDO_BASE_ADDR_C            0xf04
+#define VIDO_BASE_ADDR_V            0xf08
+
+/* MASK */
+#define VIDO_CTRL_MASK                  0xf530711f
+#define VIDO_MAIN_BUF_SIZE_MASK         0x1fff7f77
+#define VIDO_SOFT_RST_MASK              0x00000001
+#define VIDO_SOFT_RST_STAT_MASK         0x00000001
+#define VIDO_TAR_SIZE_MASK              0x1fff1fff
+#define VIDO_CROP_OFST_MASK             0x1fff1fff
+#define VIDO_OFST_ADDR_MASK             0x0fffffff
+#define VIDO_STRIDE_MASK                0x0000ffff
+#define VIDO_OFST_ADDR_C_MASK           0x0fffffff
+#define VIDO_STRIDE_C_MASK              0x0000ffff
+#define VIDO_CTRL_2_MASK                0x0000000f
+#define VIDO_DITHER_MASK                0xff000001
+#define VIDO_STRIDE_V_MASK              0x0000ffff
+#define VIDO_OFST_ADDR_V_MASK           0x0fffffff
+#define VIDO_RSV_1_MASK                 0xffffffff
+#define VIDO_DMA_PREULTRA_MASK		0x00ffffff
+#define VIDO_IN_SIZE_MASK               0x1fff1fff
+#define VIDO_ROT_EN_MASK                0x00000001
+#define VIDO_FIFO_TEST_MASK             0x00000fff
+#define VIDO_MAT_CTRL_MASK              0x000000f3
+#define VIDO_SCAN_10BIT_MASK            0x0000000f
+#define VIDO_PENDING_ZERO_MASK          0x07ffffff
+#define VIDO_BASE_ADDR_MASK             0xffffffff
+#define VIDO_BASE_ADDR_C_MASK           0xffffffff
+#define VIDO_BASE_ADDR_V_MASK           0xffffffff
+
+#endif  // __MDP_REG_WROT_H__

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_sm_mt8183.h

@@ -0,0 +1,144 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_SM_MT8183_H__
+#define __MDP_SM_MT8183_H__
+
+#include "mtk-mdp3-type.h"
+
+/*
+ * ISP-MDP generic output information
+ * MD5 of the target SCP prebuild:
+ *     2d995ddb5c3b0cf26e96d6a823481886
+ */
+
+#define IMG_MAX_SUBFRAMES_8183      14
+
+struct img_comp_frame_8183 {
+	u32 output_disable:1;
+	u32 bypass:1;
+	u16 in_width;
+	u16 in_height;
+	u16 out_width;
+	u16 out_height;
+	struct img_crop crop;
+	u16 in_total_width;
+	u16 out_total_width;
+} __packed;
+
+struct img_comp_subfrm_8183 {
+	u32 tile_disable:1;
+	struct img_region in;
+	struct img_region out;
+	struct img_offset luma;
+	struct img_offset chroma;
+	s16 out_vertical; /* Output vertical index */
+	s16 out_horizontal; /* Output horizontal index */
+} __packed;
+
+struct mdp_rdma_subfrm_8183 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 offset_0_p;
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+} __packed;
+
+struct mdp_rdma_data_8183 {
+	u32 src_ctrl;
+	u32 control;
+	u32 iova[IMG_MAX_PLANES];
+	u32 iova_end[IMG_MAX_PLANES];
+	u32 mf_bkgd;
+	u32 mf_bkgd_in_pxl;
+	u32 sf_bkgd;
+	u32 ufo_dec_y;
+	u32 ufo_dec_c;
+	u32 transform;
+	struct mdp_rdma_subfrm_8183 subfrms[IMG_MAX_SUBFRAMES_8183];
+} __packed;
+
+struct mdp_rsz_subfrm_8183 {
+	u32 control2;
+	u32 src;
+	u32 clip;
+} __packed;
+
+struct mdp_rsz_data_8183 {
+	u32 coeff_step_x;
+	u32 coeff_step_y;
+	u32 control1;
+	u32 control2;
+	struct mdp_rsz_subfrm_8183 subfrms[IMG_MAX_SUBFRAMES_8183];
+} __packed;
+
+struct mdp_wrot_subfrm_8183 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+	u32 main_buf;
+} __packed;
+
+struct mdp_wrot_data_8183 {
+	u32 iova[IMG_MAX_PLANES];
+	u32 control;
+	u32 stride[IMG_MAX_PLANES];
+	u32 mat_ctrl;
+	u32 fifo_test;
+	u32 filter;
+	struct mdp_wrot_subfrm_8183 subfrms[IMG_MAX_SUBFRAMES_8183];
+} __packed;
+
+struct mdp_wdma_subfrm_8183 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+} __packed;
+
+struct mdp_wdma_data_8183 {
+	u32 wdma_cfg;
+	u32 iova[IMG_MAX_PLANES];
+	u32 w_in_byte;
+	u32 uv_stride;
+	struct mdp_wdma_subfrm_8183 subfrms[IMG_MAX_SUBFRAMES_8183];
+} __packed;
+
+struct isp_data_8183 {
+	u64 dl_flags; /* 1 << (enum mdp_comp_type) */
+	u32 smxi_iova[4];
+	u32 cq_idx;
+	u32 cq_iova;
+	u32 tpipe_iova[IMG_MAX_SUBFRAMES_8183];
+} __packed;
+
+struct img_compparam_8183 {
+	u16 type; /* enum mdp_comp_id */
+	u16 id; /* engine alias_id */
+	u32 input;
+	u32 outputs[IMG_MAX_HW_OUTPUTS];
+	u32 num_outputs;
+	struct img_comp_frame_8183 frame;
+	struct img_comp_subfrm_8183 subfrms[IMG_MAX_SUBFRAMES_8183];
+	u32 num_subfrms;
+	union {
+		struct mdp_rdma_data_8183 rdma;
+		struct mdp_rsz_data_8183 rsz;
+		struct mdp_wrot_data_8183 wrot;
+		struct mdp_wdma_data_8183 wdma;
+		struct isp_data_8183 isp;
+	};
+} __packed;
+
+struct img_config_8183 {
+	struct img_compparam_8183 components[IMG_MAX_COMPONENTS];
+	u32 num_components;
+	struct img_mmsys_ctrl ctrls[IMG_MAX_SUBFRAMES_8183];
+	u32 num_subfrms;
+} __packed;
+
+#endif  /* __MDP_SM_MT8183_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mdp_sm_mt8195.h

@@ -0,0 +1,283 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MDP_SM_MT8195_H__
+#define __MDP_SM_MT8195_H__
+
+#include "mtk-mdp3-type.h"
+
+/*
+ * ISP-MDP generic output information
+ * MD5 of the target SCP prebuild:
+ *     a49ec487e458b5971880f1b63dc2a9d5
+ */
+
+#define IMG_MAX_SUBFRAMES_8195	20
+
+struct img_comp_frame_8195 {
+	u32 output_disable;
+	u32 bypass;
+	u32 in_width;
+	u32 in_height;
+	u32 out_width;
+	u32 out_height;
+	struct img_crop crop;
+	u32 in_total_width;
+	u32 out_total_width;
+} __packed;
+
+struct img_comp_subfrm_8195 {
+	u32 tile_disable;
+	struct img_region in;
+	struct img_region out;
+	struct img_offset luma;
+	struct img_offset chroma;
+	s32 out_vertical; /* Output vertical index */
+	s32 out_horizontal; /* Output horizontal index */
+} __packed;
+
+struct mdp_rdma_subfrm_8195 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 offset_0_p;
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+	u32 in_tile_xleft;
+	u32 in_tile_ytop;
+} __packed;
+
+struct mdp_rdma_data_8195 {
+	u32 src_ctrl;
+	u32 comp_ctrl;
+	u32 control;
+	u32 iova[IMG_MAX_PLANES];
+	u32 iova_end[IMG_MAX_PLANES];
+	u32 mf_bkgd;
+	u32 mf_bkgd_in_pxl;
+	u32 sf_bkgd;
+	u32 ufo_dec_y;
+	u32 ufo_dec_c;
+	u32 transform;
+	u32 dmabuf_con0;
+	u32 ultra_th_high_con0;
+	u32 ultra_th_low_con0;
+	u32 dmabuf_con1;
+	u32 ultra_th_high_con1;
+	u32 ultra_th_low_con1;
+	u32 dmabuf_con2;
+	u32 ultra_th_high_con2;
+	u32 ultra_th_low_con2;
+	u32 dmabuf_con3;
+	struct mdp_rdma_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_fg_subfrm_8195 {
+	u32 info_0;
+	u32 info_1;
+} __packed;
+
+struct mdp_fg_data_8195 {
+	u32 ctrl_0;
+	u32 ck_en;
+	struct mdp_fg_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_hdr_subfrm_8195 {
+	u32 win_size;
+	u32 src;
+	u32 clip_ofst0;
+	u32 clip_ofst1;
+	u32 hist_ctrl_0;
+	u32 hist_ctrl_1;
+	u32 hdr_top;
+	u32 hist_addr;
+} __packed;
+
+struct mdp_hdr_data_8195 {
+	u32 top;
+	u32 relay;
+	struct mdp_hdr_subfrm_8195   subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_aal_subfrm_8195 {
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+} __packed;
+
+struct mdp_aal_data_8195 {
+	u32 cfg_main;
+	u32 cfg;
+	struct mdp_aal_subfrm_8195   subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_rsz_subfrm_8195 {
+	u32 control2;
+	u32 src;
+	u32 clip;
+	u32 hdmirx_en;
+	u32 luma_h_int_ofst;
+	u32 luma_h_sub_ofst;
+	u32 luma_v_int_ofst;
+	u32 luma_v_sub_ofst;
+	u32 chroma_h_int_ofst;
+	u32 chroma_h_sub_ofst;
+	u32 rsz_switch;
+	u32 merge_cfg;
+} __packed;
+
+struct mdp_rsz_data_8195 {
+	u32 coeff_step_x;
+	u32 coeff_step_y;
+	u32 control1;
+	u32 control2;
+	u32 etc_control;
+	u32 prz_enable;
+	u32 ibse_softclip;
+	u32 tap_adapt;
+	u32 ibse_gaincontrol1;
+	u32 ibse_gaincontrol2;
+	u32 ibse_ylevel_1;
+	u32 ibse_ylevel_2;
+	u32 ibse_ylevel_3;
+	u32 ibse_ylevel_4;
+	u32 ibse_ylevel_5;
+	struct mdp_rsz_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_tdshp_subfrm_8195 {
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+	u32 hist_cfg_0;
+	u32 hist_cfg_1;
+} __packed;
+
+struct mdp_tdshp_data_8195 {
+	u32 cfg;
+	struct mdp_tdshp_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_color_subfrm_8195 {
+	u32 in_hsize;
+	u32 in_vsize;
+} __packed;
+
+struct mdp_color_data_8195 {
+	u32 start;
+	struct mdp_color_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_ovl_subfrm_8195 {
+	u32 L0_src_size;
+	u32 roi_size;
+} __packed;
+
+struct mdp_ovl_data_8195 {
+	u32 L0_con;
+	u32 src_con;
+	struct mdp_ovl_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_pad_subfrm_8195 {
+	u32 pic_size;
+} __packed;
+
+struct mdp_pad_data_8195 {
+	struct mdp_pad_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_tcc_subfrm_8195 {
+	u32 pic_size;
+} __packed;
+
+struct mdp_tcc_data_8195 {
+	struct mdp_tcc_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_wrot_subfrm_8195 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+	u32 main_buf;
+} __packed;
+
+struct mdp_wrot_data_8195 {
+	u32 iova[IMG_MAX_PLANES];
+	u32 control;
+	u32 stride[IMG_MAX_PLANES];
+	u32 mat_ctrl;
+	u32 fifo_test;
+	u32 filter;
+	u32 pre_ultra;
+	u32 framesize;
+	u32 afbc_yuvtrans;
+	u32 scan_10bit;
+	u32 pending_zero;
+	u32 bit_number;
+	u32 pvric;
+	u32 vpp02vpp1;
+	struct mdp_wrot_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct mdp_wdma_subfrm_8195 {
+	u32 offset[IMG_MAX_PLANES];
+	u32 src;
+	u32 clip;
+	u32 clip_ofst;
+} __packed;
+
+struct mdp_wdma_data_8195 {
+	u32 wdma_cfg;
+	u32 iova[IMG_MAX_PLANES];
+	u32 w_in_byte;
+	u32 uv_stride;
+	struct mdp_wdma_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct isp_data_8195 {
+	u64 dl_flags; /* 1 << (enum mdp_comp_type) */
+	u32 smxi_iova[4];
+	u32 cq_idx;
+	u32 cq_iova;
+	u32 tpipe_iova[IMG_MAX_SUBFRAMES_8195];
+} __packed;
+
+struct img_compparam_8195 {
+	u32 type; /* enum mdp_comp_id */
+	u32 id; /* engine alias_id */
+	u32 input;
+	u32 outputs[IMG_MAX_HW_OUTPUTS];
+	u32 num_outputs;
+	struct img_comp_frame_8195 frame;
+	struct img_comp_subfrm_8195 subfrms[IMG_MAX_SUBFRAMES_8195];
+	u32 num_subfrms;
+	union {
+		struct mdp_rdma_data_8195 rdma;
+		struct mdp_fg_data_8195 fg;
+		struct mdp_hdr_data_8195 hdr;
+		struct mdp_aal_data_8195 aal;
+		struct mdp_rsz_data_8195 rsz;
+		struct mdp_tdshp_data_8195 tdshp;
+		struct mdp_color_data_8195 color;
+		struct mdp_ovl_data_8195 ovl;
+		struct mdp_pad_data_8195 pad;
+		struct mdp_tcc_data_8195 tcc;
+		struct mdp_wrot_data_8195 wrot;
+		struct mdp_wdma_data_8195 wdma;
+		struct isp_data_8195 isp;
+	};
+} __packed;
+
+struct img_config_8195 {
+	struct img_compparam_8195 components[IMG_MAX_COMPONENTS];
+	u32 num_components;
+	struct img_mmsys_ctrl ctrls[IMG_MAX_SUBFRAMES_8195];
+	u32 num_subfrms;
+} __packed;
+
+#endif  /* __MDP_SM_MT8195_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-img-ipi.h

@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Holmes Chiou <holmes.chiou@mediatek.com>
+ *         Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_IMG_IPI_H__
+#define __MTK_IMG_IPI_H__
+
+#include <linux/err.h>
+#include "mdp_sm_mt8183.h"
+#include "mdp_sm_mt8195.h"
+#include "mtk-mdp3-type.h"
+
+/* ISP-MDP generic input information */
+
+#define IMG_IPI_INIT    1
+#define IMG_IPI_DEINIT  2
+#define IMG_IPI_FRAME   3
+#define IMG_IPI_DEBUG   4
+
+struct img_timeval {
+	u32 tv_sec;
+	u32 tv_usec;
+} __packed;
+
+struct img_addr {
+	u64 va; /* Used for Linux OS access */
+	u32 pa; /* Used for CM4 access */
+	u32 iova; /* Used for IOMMU HW access */
+} __packed;
+
+struct tuning_addr {
+	u64	present;
+	u32	pa;	/* Used for CM4 access */
+	u32	iova;	/* Used for IOMMU HW access */
+} __packed;
+
+struct img_sw_addr {
+	u64 va; /* Used for APMCU access */
+	u32 pa; /* Used for CM4 access */
+} __packed;
+
+struct img_plane_format {
+	u32 size;
+	u32 stride;
+} __packed;
+
+struct img_pix_format {
+	u32 width;
+	u32 height;
+	u32 colorformat; /* enum mdp_color */
+	u32 ycbcr_prof; /* enum mdp_ycbcr_profile */
+	struct img_plane_format plane_fmt[IMG_MAX_PLANES];
+} __packed;
+
+struct img_image_buffer {
+	struct img_pix_format format;
+	u32 iova[IMG_MAX_PLANES];
+	/* enum mdp_buffer_usage, FD or advanced ISP usages */
+	u32 usage;
+} __packed;
+
+#define IMG_SUBPIXEL_SHIFT	20
+
+#define IMG_CTRL_FLAG_HFLIP	BIT(0)
+#define IMG_CTRL_FLAG_DITHER	BIT(1)
+#define IMG_CTRL_FLAG_SHARPNESS	BIT(4)
+#define IMG_CTRL_FLAG_HDR	BIT(5)
+#define IMG_CTRL_FLAG_DRE	BIT(6)
+
+struct img_input {
+	struct img_image_buffer buffer;
+	u32 flags; /* HDR, DRE, dither */
+} __packed;
+
+struct img_output {
+	struct img_image_buffer buffer;
+	struct img_crop crop;
+	s32 rotation;
+	u32 flags; /* H-flip, sharpness, dither */
+} __packed;
+
+struct img_ipi_frameparam {
+	u32 index;
+	u32 frame_no;
+	struct img_timeval timestamp;
+	u32 type; /* enum mdp_stream_type */
+	u32 state;
+	u32 num_inputs;
+	u32 num_outputs;
+	u64 drv_data;
+	struct img_input inputs[IMG_MAX_HW_INPUTS];
+	struct img_output outputs[IMG_MAX_HW_OUTPUTS];
+	struct tuning_addr tuning_data;
+	struct img_addr subfrm_data;
+	struct img_sw_addr config_data;
+	struct img_sw_addr self_data;
+} __packed;
+
+struct img_sw_buffer {
+	u64	handle;		/* Used for APMCU access */
+	u32	scp_addr;	/* Used for CM4 access */
+} __packed;
+
+struct img_ipi_param {
+	u32 usage;
+	struct img_sw_buffer frm_param;
+} __packed;
+
+struct img_frameparam {
+	struct list_head list_entry;
+	struct img_ipi_frameparam frameparam;
+} __packed;
+
+/* Platform config indicator */
+#define MT8183 8183
+#define MT8188 8195
+#define MT8195 8195
+
+#define CFG_CHECK(plat, p_id) ((plat) == (p_id))
+
+#define _CFG_OFST(plat, cfg, ofst) ((void *)(&((cfg)->config_##plat) + (ofst)))
+#define CFG_OFST(plat, cfg, ofst) \
+	(IS_ERR_OR_NULL(cfg) ? NULL : _CFG_OFST(plat, cfg, ofst))
+
+#define _CFG_ADDR(plat, cfg, mem) (&((cfg)->config_##plat.mem))
+#define CFG_ADDR(plat, cfg, mem) \
+	(IS_ERR_OR_NULL(cfg) ? NULL : _CFG_ADDR(plat, cfg, mem))
+
+#define _CFG_GET(plat, cfg, mem) ((cfg)->config_##plat.mem)
+#define CFG_GET(plat, cfg, mem) \
+	(IS_ERR_OR_NULL(cfg) ? 0 : _CFG_GET(plat, cfg, mem))
+
+#define _CFG_COMP(plat, comp, mem) ((comp)->comp_##plat.mem)
+#define CFG_COMP(plat, comp, mem) \
+	(IS_ERR_OR_NULL(comp) ? 0 : _CFG_COMP(plat, comp, mem))
+
+struct img_config {
+	union {
+		struct img_config_8183 config_8183;
+		struct img_config_8195 config_8195;
+	};
+} __packed;
+
+struct img_compparam {
+	union {
+		struct img_compparam_8183 comp_8183;
+		struct img_compparam_8195 comp_8195;
+	};
+} __packed;
+
+#endif  /* __MTK_IMG_IPI_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cfg.h

@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_CFG_H__
+#define __MTK_MDP3_CFG_H__
+
+#include <linux/types.h>
+
+extern const struct mtk_mdp_driver_data mt8183_mdp_driver_data;
+extern const struct mtk_mdp_driver_data mt8188_mdp_driver_data;
+extern const struct mtk_mdp_driver_data mt8195_mdp_driver_data;
+
+struct mdp_dev;
+enum mtk_mdp_comp_id;
+
+s32 mdp_cfg_get_id_inner(struct mdp_dev *mdp_dev, enum mtk_mdp_comp_id id);
+enum mtk_mdp_comp_id mdp_cfg_get_id_public(struct mdp_dev *mdp_dev, s32 id);
+bool mdp_cfg_comp_is_dummy(struct mdp_dev *mdp_dev, s32 inner_id);
+
+#endif  /* __MTK_MDP3_CFG_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c

@@ -0,0 +1,724 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#include <linux/mailbox_controller.h>
+#include <linux/platform_device.h>
+#include "mtk-mdp3-cfg.h"
+#include "mtk-mdp3-cmdq.h"
+#include "mtk-mdp3-comp.h"
+#include "mtk-mdp3-core.h"
+#include "mtk-mdp3-m2m.h"
+#include "mtk-img-ipi.h"
+
+#define MDP_PATH_MAX_COMPS	IMG_MAX_COMPONENTS
+
+struct mdp_path {
+	struct mdp_dev		*mdp_dev;
+	struct mdp_comp_ctx	comps[MDP_PATH_MAX_COMPS];
+	u32			num_comps;
+	const struct img_config	*config;
+	const struct img_ipi_frameparam *param;
+	const struct v4l2_rect	*composes[IMG_MAX_HW_OUTPUTS];
+	struct v4l2_rect	bounds[IMG_MAX_HW_OUTPUTS];
+};
+
+#define has_op(ctx, op) \
+	((ctx)->comp->ops && (ctx)->comp->ops->op)
+ #define call_op(ctx, op, ...) \
+	(has_op(ctx, op) ? (ctx)->comp->ops->op(ctx, ##__VA_ARGS__) : 0)
+
+static bool is_output_disabled(int p_id, const struct img_compparam *param, u32 count)
+{
+	u32 num = 0;
+	bool dis_output = false;
+	bool dis_tile = false;
+
+	if (CFG_CHECK(MT8183, p_id)) {
+		num = CFG_COMP(MT8183, param, num_subfrms);
+		dis_output = CFG_COMP(MT8183, param, frame.output_disable);
+		dis_tile = CFG_COMP(MT8183, param, frame.output_disable);
+	} else if (CFG_CHECK(MT8195, p_id)) {
+		num = CFG_COMP(MT8195, param, num_subfrms);
+		dis_output = CFG_COMP(MT8195, param, frame.output_disable);
+		dis_tile = CFG_COMP(MT8195, param, frame.output_disable);
+	}
+
+	return (count < num) ? (dis_output || dis_tile) : true;
+}
+
+static struct mtk_mutex *__get_mutex(const struct mdp_dev *mdp_dev,
+				     const struct mdp_pipe_info *p)
+{
+	return mdp_dev->mm_subsys[p->sub_id].mdp_mutex[p->mutex_id];
+}
+
+static u8 __get_pp_num(enum mdp_stream_type type)
+{
+	switch (type) {
+	case MDP_STREAM_TYPE_DUAL_BITBLT:
+		return MDP_PP_USED_2;
+	default:
+		return MDP_PP_USED_1;
+	}
+}
+
+static enum mdp_pipe_id __get_pipe(const struct mdp_dev *mdp_dev,
+				   enum mtk_mdp_comp_id id)
+{
+	enum mdp_pipe_id pipe_id;
+
+	switch (id) {
+	case MDP_COMP_RDMA0:
+		pipe_id = MDP_PIPE_RDMA0;
+		break;
+	case MDP_COMP_ISP_IMGI:
+		pipe_id = MDP_PIPE_IMGI;
+		break;
+	case MDP_COMP_WPEI:
+		pipe_id = MDP_PIPE_WPEI;
+		break;
+	case MDP_COMP_WPEI2:
+		pipe_id = MDP_PIPE_WPEI2;
+		break;
+	case MDP_COMP_RDMA1:
+		pipe_id = MDP_PIPE_RDMA1;
+		break;
+	case MDP_COMP_RDMA2:
+		pipe_id = MDP_PIPE_RDMA2;
+		break;
+	case MDP_COMP_RDMA3:
+		pipe_id = MDP_PIPE_RDMA3;
+		break;
+	default:
+		/* Avoid exceptions when operating MUTEX */
+		pipe_id = MDP_PIPE_RDMA0;
+		dev_err(&mdp_dev->pdev->dev, "Unknown pipeline id %d", id);
+		break;
+	}
+
+	return pipe_id;
+}
+
+static struct img_config *__get_config_offset(struct mdp_dev *mdp,
+					      struct mdp_cmdq_param *param,
+					      u8 pp_idx)
+{
+	const int p_id = mdp->mdp_data->mdp_plat_id;
+	struct device *dev = &mdp->pdev->dev;
+	void *cfg_c, *cfg_n;
+	long bound = mdp->vpu.config_size;
+
+	if (pp_idx >= mdp->mdp_data->pp_used)
+		goto err_param;
+
+	if (CFG_CHECK(MT8183, p_id)) {
+		cfg_c = CFG_OFST(MT8183, param->config, pp_idx);
+		cfg_n = CFG_OFST(MT8183, param->config, pp_idx + 1);
+	} else if (CFG_CHECK(MT8195, p_id)) {
+		cfg_c = CFG_OFST(MT8195, param->config, pp_idx);
+		cfg_n = CFG_OFST(MT8195, param->config, pp_idx + 1);
+	} else {
+		goto err_param;
+	}
+
+	if ((long)cfg_n - (long)mdp->vpu.config > bound) {
+		dev_err(dev, "config offset %ld OOB %ld\n", (long)cfg_n, bound);
+		cfg_c = ERR_PTR(-EFAULT);
+	}
+
+	return (struct img_config *)cfg_c;
+
+err_param:
+	cfg_c = ERR_PTR(-EINVAL);
+	return (struct img_config *)cfg_c;
+}
+
+static int mdp_path_subfrm_require(const struct mdp_path *path,
+				   struct mdp_cmdq_cmd *cmd,
+				   struct mdp_pipe_info *p, u32 count)
+{
+	const int p_id = path->mdp_dev->mdp_data->mdp_plat_id;
+	const struct mdp_comp_ctx *ctx;
+	const struct mtk_mdp_driver_data *data = path->mdp_dev->mdp_data;
+	struct mtk_mutex *mutex;
+	int id, index;
+	u32 num_comp = 0;
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_comp = CFG_GET(MT8183, path->config, num_components);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_comp = CFG_GET(MT8195, path->config, num_components);
+
+	/* Decide which mutex to use based on the current pipeline */
+	index = __get_pipe(path->mdp_dev, path->comps[0].comp->public_id);
+	memcpy(p, &data->pipe_info[index], sizeof(struct mdp_pipe_info));
+	mutex = __get_mutex(path->mdp_dev, p);
+
+	/* Set mutex mod */
+	for (index = 0; index < num_comp; index++) {
+		s32 inner_id = MDP_COMP_NONE;
+		const u32 *mutex_idx;
+		const struct mdp_comp_blend *b;
+
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+
+		ctx = &path->comps[index];
+		if (is_output_disabled(p_id, ctx->param, count))
+			continue;
+
+		mutex_idx = data->mdp_mutex_table_idx;
+		id = ctx->comp->public_id;
+		mtk_mutex_write_mod(mutex, mutex_idx[id], false);
+
+		b = &data->comp_data[id].blend;
+		if (b && b->aid_mod)
+			mtk_mutex_write_mod(mutex, mutex_idx[b->b_id], false);
+	}
+
+	mtk_mutex_write_sof(mutex, MUTEX_SOF_IDX_SINGLE_MODE);
+
+	return 0;
+}
+
+static int mdp_path_subfrm_run(const struct mdp_path *path,
+			       struct mdp_cmdq_cmd *cmd,
+			       struct mdp_pipe_info *p, u32 count)
+{
+	const int p_id = path->mdp_dev->mdp_data->mdp_plat_id;
+	const struct mdp_comp_ctx *ctx;
+	struct device *dev = &path->mdp_dev->pdev->dev;
+	struct mtk_mutex *mutex;
+	int index;
+	u32 num_comp = 0;
+	s32 event;
+	s32 inner_id = MDP_COMP_NONE;
+
+	if (-1 == p->mutex_id) {
+		dev_err(dev, "Incorrect mutex id");
+		return -EINVAL;
+	}
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_comp = CFG_GET(MT8183, path->config, num_components);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_comp = CFG_GET(MT8195, path->config, num_components);
+
+	/* Wait WROT SRAM shared to DISP RDMA */
+	/* Clear SOF event for each engine */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		if (is_output_disabled(p_id, ctx->param, count))
+			continue;
+		event = ctx->comp->gce_event[MDP_GCE_EVENT_SOF];
+		if (event != MDP_GCE_NO_EVENT)
+			MM_REG_CLEAR(cmd, event);
+	}
+
+	/* Enable the mutex */
+	mutex = __get_mutex(path->mdp_dev, p);
+	mtk_mutex_enable_by_cmdq(mutex, (void *)&cmd->pkt);
+
+	/* Wait SOF events and clear mutex modules (optional) */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		if (is_output_disabled(p_id, ctx->param, count))
+			continue;
+		event = ctx->comp->gce_event[MDP_GCE_EVENT_SOF];
+		if (event != MDP_GCE_NO_EVENT)
+			MM_REG_WAIT(cmd, event);
+	}
+
+	return 0;
+}
+
+static int mdp_path_ctx_init(struct mdp_dev *mdp, struct mdp_path *path)
+{
+	const int p_id = mdp->mdp_data->mdp_plat_id;
+	void *param = NULL;
+	int index, ret;
+	u32 num_comp = 0;
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_comp = CFG_GET(MT8183, path->config, num_components);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_comp = CFG_GET(MT8195, path->config, num_components);
+
+	if (num_comp < 1)
+		return -EINVAL;
+
+	for (index = 0; index < num_comp; index++) {
+		s32 inner_id = MDP_COMP_NONE;
+
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		if (CFG_CHECK(MT8183, p_id))
+			param = (void *)CFG_ADDR(MT8183, path->config, components[index]);
+		else if (CFG_CHECK(MT8195, p_id))
+			param = (void *)CFG_ADDR(MT8195, path->config, components[index]);
+		ret = mdp_comp_ctx_config(mdp, &path->comps[index],
+					  param, path->param);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
+				  struct mdp_path *path, u32 count)
+{
+	const int p_id = path->mdp_dev->mdp_data->mdp_plat_id;
+	const struct img_mmsys_ctrl *ctrl = NULL;
+	const struct img_mux *set;
+	struct mdp_comp_ctx *ctx;
+	struct mdp_pipe_info pipe;
+	int index, ret;
+	u32 num_comp = 0;
+	s32 inner_id = MDP_COMP_NONE;
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_comp = CFG_GET(MT8183, path->config, num_components);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_comp = CFG_GET(MT8195, path->config, num_components);
+
+	if (CFG_CHECK(MT8183, p_id))
+		ctrl = CFG_ADDR(MT8183, path->config, ctrls[count]);
+	else if (CFG_CHECK(MT8195, p_id))
+		ctrl = CFG_ADDR(MT8195, path->config, ctrls[count]);
+
+	/* Acquire components */
+	ret = mdp_path_subfrm_require(path, cmd, &pipe, count);
+	if (ret)
+		return ret;
+	/* Enable mux settings */
+	for (index = 0; index < ctrl->num_sets; index++) {
+		set = &ctrl->sets[index];
+		cmdq_pkt_write(&cmd->pkt, set->subsys_id, set->reg, set->value);
+	}
+	/* Config sub-frame information */
+	for (index = (num_comp - 1); index >= 0; index--) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		if (is_output_disabled(p_id, ctx->param, count))
+			continue;
+		ret = call_op(ctx, config_subfrm, cmd, count);
+		if (ret)
+			return ret;
+	}
+	/* Run components */
+	ret = mdp_path_subfrm_run(path, cmd, &pipe, count);
+	if (ret)
+		return ret;
+	/* Wait components done */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		if (is_output_disabled(p_id, ctx->param, count))
+			continue;
+		ret = call_op(ctx, wait_comp_event, cmd);
+		if (ret)
+			return ret;
+	}
+	/* Advance to the next sub-frame */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		ret = call_op(ctx, advance_subfrm, cmd, count);
+		if (ret)
+			return ret;
+	}
+	/* Disable mux settings */
+	for (index = 0; index < ctrl->num_sets; index++) {
+		set = &ctrl->sets[index];
+		cmdq_pkt_write(&cmd->pkt, set->subsys_id, set->reg, 0);
+	}
+
+	return 0;
+}
+
+static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd,
+			   struct mdp_path *path)
+{
+	const int p_id = mdp->mdp_data->mdp_plat_id;
+	struct mdp_comp_ctx *ctx;
+	int index, count, ret;
+	u32 num_comp = 0;
+	u32 num_sub = 0;
+	s32 inner_id = MDP_COMP_NONE;
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_comp = CFG_GET(MT8183, path->config, num_components);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_comp = CFG_GET(MT8195, path->config, num_components);
+
+	if (CFG_CHECK(MT8183, p_id))
+		num_sub = CFG_GET(MT8183, path->config, num_subfrms);
+	else if (CFG_CHECK(MT8195, p_id))
+		num_sub = CFG_GET(MT8195, path->config, num_subfrms);
+
+	/* Config path frame */
+	/* Reset components */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		ret = call_op(ctx, init_comp, cmd);
+		if (ret)
+			return ret;
+	}
+	/* Config frame mode */
+	for (index = 0; index < num_comp; index++) {
+		const struct v4l2_rect *compose;
+		u32 out = 0;
+
+		ctx = &path->comps[index];
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+
+		if (CFG_CHECK(MT8183, p_id))
+			out = CFG_COMP(MT8183, ctx->param, outputs[0]);
+		else if (CFG_CHECK(MT8195, p_id))
+			out = CFG_COMP(MT8195, ctx->param, outputs[0]);
+
+		compose = path->composes[out];
+		ret = call_op(ctx, config_frame, cmd, compose);
+		if (ret)
+			return ret;
+	}
+
+	/* Config path sub-frames */
+	for (count = 0; count < num_sub; count++) {
+		ret = mdp_path_config_subfrm(cmd, path, count);
+		if (ret)
+			return ret;
+	}
+	/* Post processing information */
+	for (index = 0; index < num_comp; index++) {
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[index].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[index].type);
+
+		if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+			continue;
+		ctx = &path->comps[index];
+		ret = call_op(ctx, post_process, cmd);
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+static void mdp_auto_release_work(struct work_struct *work)
+{
+	struct mdp_cmdq_cmd *cmd;
+	struct mdp_dev *mdp;
+	struct mtk_mutex *mutex;
+	enum mdp_pipe_id pipe_id;
+
+	cmd = container_of(work, struct mdp_cmdq_cmd, auto_release_work);
+	mdp = cmd->mdp;
+
+	pipe_id = __get_pipe(mdp, cmd->comps[0].public_id);
+	mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[pipe_id]);
+	mtk_mutex_unprepare(mutex);
+	mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps,
+			    cmd->num_comps);
+
+	if (refcount_dec_and_test(&mdp->job_count)) {
+		if (cmd->mdp_ctx)
+			mdp_m2m_job_finish(cmd->mdp_ctx);
+
+		if (cmd->user_cmdq_cb) {
+			struct cmdq_cb_data user_cb_data;
+
+			user_cb_data.sta = cmd->data->sta;
+			user_cb_data.pkt = cmd->data->pkt;
+			cmd->user_cmdq_cb(user_cb_data);
+		}
+		wake_up(&mdp->callback_wq);
+	}
+
+	cmdq_pkt_destroy(mdp->cmdq_clt[cmd->pp_idx], &cmd->pkt);
+	kfree(cmd->comps);
+	cmd->comps = NULL;
+	kfree(cmd);
+	cmd = NULL;
+}
+
+static void mdp_handle_cmdq_callback(struct mbox_client *cl, void *mssg)
+{
+	struct mdp_cmdq_cmd *cmd;
+	struct cmdq_cb_data *data;
+	struct mdp_dev *mdp;
+	struct device *dev;
+	enum mdp_pipe_id pipe_id;
+
+	if (!mssg) {
+		pr_info("%s:no callback data\n", __func__);
+		return;
+	}
+
+	data = (struct cmdq_cb_data *)mssg;
+	cmd = container_of(data->pkt, struct mdp_cmdq_cmd, pkt);
+	cmd->data = data;
+	mdp = cmd->mdp;
+	dev = &mdp->pdev->dev;
+
+	INIT_WORK(&cmd->auto_release_work, mdp_auto_release_work);
+	if (!queue_work(mdp->clock_wq, &cmd->auto_release_work)) {
+		struct mtk_mutex *mutex;
+
+		dev_err(dev, "%s:queue_work fail!\n", __func__);
+		pipe_id = __get_pipe(mdp, cmd->comps[0].public_id);
+		mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[pipe_id]);
+		mtk_mutex_unprepare(mutex);
+		mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps,
+				    cmd->num_comps);
+
+		if (refcount_dec_and_test(&mdp->job_count))
+			wake_up(&mdp->callback_wq);
+
+		cmdq_pkt_destroy(mdp->cmdq_clt[cmd->pp_idx], &cmd->pkt);
+		kfree(cmd->comps);
+		cmd->comps = NULL;
+		kfree(cmd);
+		cmd = NULL;
+	}
+}
+
+static struct mdp_cmdq_cmd *mdp_cmdq_prepare(struct mdp_dev *mdp,
+					     struct mdp_cmdq_param *param,
+					     u8 pp_idx)
+{
+	struct mdp_path *path = NULL;
+	struct mdp_cmdq_cmd *cmd = NULL;
+	struct mdp_comp *comps = NULL;
+	struct device *dev = &mdp->pdev->dev;
+	const int p_id = mdp->mdp_data->mdp_plat_id;
+	struct img_config *config;
+	struct mtk_mutex *mutex = NULL;
+	enum mdp_pipe_id pipe_id;
+	int i, ret = -ECANCELED;
+	u32 num_comp;
+
+	config = __get_config_offset(mdp, param, pp_idx);
+	if (IS_ERR(config)) {
+		ret = PTR_ERR(config);
+		goto err_uninit;
+	}
+
+	cmd = kzalloc_obj(*cmd);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto err_uninit;
+	}
+
+	ret = cmdq_pkt_create(mdp->cmdq_clt[pp_idx], &cmd->pkt, SZ_16K);
+	if (ret)
+		goto err_free_cmd;
+
+	if (CFG_CHECK(MT8183, p_id)) {
+		num_comp = CFG_GET(MT8183, param->config, num_components);
+	} else if (CFG_CHECK(MT8195, p_id)) {
+		num_comp = CFG_GET(MT8195, param->config, num_components);
+	} else {
+		ret = -EINVAL;
+		goto err_destroy_pkt;
+	}
+
+	comps = kzalloc_objs(*comps, num_comp);
+	if (!comps) {
+		ret = -ENOMEM;
+		goto err_destroy_pkt;
+	}
+
+	path = kzalloc_obj(*path);
+	if (!path) {
+		ret = -ENOMEM;
+		goto err_free_comps;
+	}
+
+	path->mdp_dev = mdp;
+	path->config = config;
+	path->param = param->param;
+	for (i = 0; i < param->param->num_outputs; i++) {
+		path->bounds[i].left = 0;
+		path->bounds[i].top = 0;
+		path->bounds[i].width =
+			param->param->outputs[i].buffer.format.width;
+		path->bounds[i].height =
+			param->param->outputs[i].buffer.format.height;
+		path->composes[i] = param->composes[i] ?
+			param->composes[i] : &path->bounds[i];
+	}
+	ret = mdp_path_ctx_init(mdp, path);
+	if (ret) {
+		dev_err(dev, "mdp_path_ctx_init error %d\n", pp_idx);
+		goto err_free_path;
+	}
+
+	pipe_id = __get_pipe(mdp, path->comps[0].comp->public_id);
+	mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[pipe_id]);
+	ret = mtk_mutex_prepare(mutex);
+	if (ret) {
+		dev_err(dev, "Fail to enable mutex %d clk\n", pp_idx);
+		goto err_free_path;
+	}
+
+	ret = mdp_path_config(mdp, cmd, path);
+	if (ret) {
+		dev_err(dev, "mdp_path_config error %d\n", pp_idx);
+		goto err_free_path;
+	}
+	cmdq_pkt_eoc(&cmd->pkt);
+	cmdq_pkt_jump_rel(&cmd->pkt, CMDQ_INST_SIZE, mdp->cmdq_shift_pa[pp_idx]);
+
+	for (i = 0; i < num_comp; i++) {
+		s32 inner_id = MDP_COMP_NONE;
+
+		if (CFG_CHECK(MT8183, p_id))
+			inner_id = CFG_GET(MT8183, path->config, components[i].type);
+		else if (CFG_CHECK(MT8195, p_id))
+			inner_id = CFG_GET(MT8195, path->config, components[i].type);
+
+		if (mdp_cfg_comp_is_dummy(mdp, inner_id))
+			continue;
+		memcpy(&comps[i], path->comps[i].comp,
+		       sizeof(struct mdp_comp));
+	}
+
+	mdp->cmdq_clt[pp_idx]->client.rx_callback = mdp_handle_cmdq_callback;
+	cmd->mdp = mdp;
+	cmd->user_cmdq_cb = param->cmdq_cb;
+	cmd->user_cb_data = param->cb_data;
+	cmd->comps = comps;
+	cmd->num_comps = num_comp;
+	cmd->mdp_ctx = param->mdp_ctx;
+	cmd->pp_idx = pp_idx;
+
+	kfree(path);
+	return cmd;
+
+err_free_path:
+	if (mutex)
+		mtk_mutex_unprepare(mutex);
+	kfree(path);
+err_free_comps:
+	kfree(comps);
+err_destroy_pkt:
+	cmdq_pkt_destroy(mdp->cmdq_clt[pp_idx], &cmd->pkt);
+err_free_cmd:
+	kfree(cmd);
+err_uninit:
+	return ERR_PTR(ret);
+}
+
+int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
+{
+	struct mdp_cmdq_cmd *cmd[MDP_PP_MAX] = {NULL};
+	struct device *dev = &mdp->pdev->dev;
+	int i, ret;
+	u8 pp_used = __get_pp_num(param->param->type);
+
+	refcount_set(&mdp->job_count, pp_used);
+	if (atomic_read(&mdp->suspended)) {
+		refcount_set(&mdp->job_count, 0);
+		return -ECANCELED;
+	}
+
+	for (i = 0; i < pp_used; i++) {
+		cmd[i] = mdp_cmdq_prepare(mdp, param, i);
+		if (IS_ERR_OR_NULL(cmd[i])) {
+			ret = PTR_ERR(cmd[i]);
+			goto err_cancel_job;
+		}
+	}
+
+	for (i = 0; i < pp_used; i++) {
+		ret = mdp_comp_clocks_on(&mdp->pdev->dev, cmd[i]->comps, cmd[i]->num_comps);
+		if (ret)
+			goto err_clock_off;
+	}
+
+	for (i = 0; i < pp_used; i++) {
+		dma_sync_single_for_device(mdp->cmdq_clt[i]->chan->mbox->dev,
+					   cmd[i]->pkt.pa_base, cmd[i]->pkt.cmd_buf_size,
+					   DMA_TO_DEVICE);
+
+		ret = mbox_send_message(mdp->cmdq_clt[i]->chan, &cmd[i]->pkt);
+		if (ret < 0) {
+			dev_err(dev, "mbox send message fail %d!\n", ret);
+			i = pp_used;
+			goto err_clock_off;
+		}
+		mbox_client_txdone(mdp->cmdq_clt[i]->chan, 0);
+	}
+	return 0;
+
+err_clock_off:
+	while (--i >= 0)
+		mdp_comp_clocks_off(&mdp->pdev->dev, cmd[i]->comps,
+				    cmd[i]->num_comps);
+err_cancel_job:
+	refcount_set(&mdp->job_count, 0);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mdp_cmdq_send);

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.h

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_CMDQ_H__
+#define __MTK_MDP3_CMDQ_H__
+
+#include <linux/platform_device.h>
+#include <linux/videodev2.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+#include "mtk-img-ipi.h"
+
+struct mdp_cmdq_param {
+	struct img_config *config;
+	struct img_ipi_frameparam *param;
+	const struct v4l2_rect *composes[IMG_MAX_HW_OUTPUTS];
+
+	void (*cmdq_cb)(struct cmdq_cb_data data);
+	void *cb_data;
+	void *mdp_ctx;
+};
+
+struct mdp_cmdq_cmd {
+	struct work_struct auto_release_work;
+	struct cmdq_pkt pkt;
+	s32 *event;
+	struct mdp_dev *mdp;
+	struct cmdq_cb_data *data;
+	void (*user_cmdq_cb)(struct cmdq_cb_data data);
+	void *user_cb_data;
+	struct mdp_comp *comps;
+	void *mdp_ctx;
+	u8 num_comps;
+	u8 pp_idx;
+};
+
+struct mdp_dev;
+
+int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param);
+
+#endif  /* __MTK_MDP3_CMDQ_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h

@@ -0,0 +1,264 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_COMP_H__
+#define __MTK_MDP3_COMP_H__
+
+#include "mtk-mdp3-cmdq.h"
+
+#define MM_REG_WRITE_MASK(cmd, id, base, ofst, val, mask)	\
+do {								\
+	typeof(mask) (m) = (mask);				\
+	cmdq_pkt_write_mask(&((cmd)->pkt), id, (base) + (ofst),	\
+			    (val),				\
+		(((m) & (ofst##_MASK)) == (ofst##_MASK)) ?	\
+			(0xffffffff) : (m));			\
+} while (0)
+
+#define MM_REG_WRITE(cmd, id, base, ofst, val)			\
+	cmdq_pkt_write(&((cmd)->pkt), id, (base) + (ofst), (val))
+
+#define MM_REG_WAIT(cmd, evt)					\
+do {								\
+	typeof(cmd) (c) = (cmd);				\
+	typeof(evt) (e) = (evt);				\
+	cmdq_pkt_wfe(&((c)->pkt), (e), true);			\
+} while (0)
+
+#define MM_REG_WAIT_NO_CLEAR(cmd, evt)				\
+do {								\
+	typeof(cmd) (c) = (cmd);				\
+	typeof(evt) (e) = (evt);				\
+	cmdq_pkt_wfe(&((c)->pkt), (e), false);			\
+} while (0)
+
+#define MM_REG_CLEAR(cmd, evt)					\
+do {								\
+	typeof(cmd) (c) = (cmd);				\
+	typeof(evt) (e) = (evt);				\
+	cmdq_pkt_clear_event(&((c)->pkt), (e));			\
+} while (0)
+
+#define MM_REG_SET_EVENT(cmd, evt)				\
+do {								\
+	typeof(cmd) (c) = (cmd);				\
+	typeof(evt) (e) = (evt);				\
+	cmdq_pkt_set_event(&((c)->pkt), (e));			\
+} while (0)
+
+#define MM_REG_POLL_MASK(cmd, id, base, ofst, val, _mask)	\
+do {								\
+	typeof(_mask) (_m) = (_mask);				\
+	cmdq_pkt_poll_mask(&((cmd)->pkt), id,			\
+		(base) + (ofst), (val),				\
+		(((_m) & (ofst##_MASK)) == (ofst##_MASK)) ?	\
+			(0xffffffff) : (_m));			\
+} while (0)
+
+#define MM_REG_POLL(cmd, id, base, ofst, val)			\
+	cmdq_pkt_poll(&((cmd)->pkt), id, (base) + (ofst), (val))
+
+enum mtk_mdp_comp_id {
+	MDP_COMP_NONE = -1,	/* Invalid engine */
+
+	/* ISP */
+	MDP_COMP_WPEI = 0,
+	MDP_COMP_WPEO,		/* 1 */
+	MDP_COMP_WPEI2,		/* 2 */
+	MDP_COMP_WPEO2,		/* 3 */
+	MDP_COMP_ISP_IMGI,	/* 4 */
+	MDP_COMP_ISP_IMGO,	/* 5 */
+	MDP_COMP_ISP_IMG2O,	/* 6 */
+
+	/* IPU */
+	MDP_COMP_IPUI,		/* 7 */
+	MDP_COMP_IPUO,		/* 8 */
+
+	/* MDP */
+	MDP_COMP_CAMIN,		/* 9 */
+	MDP_COMP_CAMIN2,	/* 10 */
+	MDP_COMP_RDMA0,		/* 11 */
+	MDP_COMP_RDMA1,		/* 12 */
+	MDP_COMP_RDMA2,		/* 13 */
+	MDP_COMP_RDMA3,		/* 14 */
+	MDP_COMP_AAL0,		/* 15 */
+	MDP_COMP_AAL1,		/* 16 */
+	MDP_COMP_AAL2,		/* 17 */
+	MDP_COMP_AAL3,		/* 18 */
+	MDP_COMP_CCORR0,	/* 19 */
+	MDP_COMP_RSZ0,		/* 20 */
+	MDP_COMP_RSZ1,		/* 21 */
+	MDP_COMP_RSZ2,		/* 22 */
+	MDP_COMP_RSZ3,		/* 23 */
+	MDP_COMP_TDSHP0,	/* 24 */
+	MDP_COMP_TDSHP1,	/* 25 */
+	MDP_COMP_TDSHP2,	/* 26 */
+	MDP_COMP_TDSHP3,	/* 27 */
+	MDP_COMP_COLOR0,	/* 28 */
+	MDP_COMP_COLOR1,	/* 29 */
+	MDP_COMP_COLOR2,	/* 30 */
+	MDP_COMP_COLOR3,	/* 31 */
+	MDP_COMP_PATH0_SOUT,	/* 32 */
+	MDP_COMP_PATH1_SOUT,	/* 33 */
+	MDP_COMP_WROT0,		/* 34 */
+	MDP_COMP_WROT1,		/* 35 */
+	MDP_COMP_WROT2,		/* 36 */
+	MDP_COMP_WROT3,		/* 37 */
+	MDP_COMP_WDMA,		/* 38 */
+	MDP_COMP_SPLIT,		/* 39 */
+	MDP_COMP_SPLIT2,	/* 40 */
+	MDP_COMP_STITCH,	/* 41 */
+	MDP_COMP_FG0,		/* 42 */
+	MDP_COMP_FG1,		/* 43 */
+	MDP_COMP_FG2,		/* 44 */
+	MDP_COMP_FG3,		/* 45 */
+	MDP_COMP_TO_SVPP2MOUT,	/* 46 */
+	MDP_COMP_TO_SVPP3MOUT,	/* 47 */
+	MDP_COMP_TO_WARP0MOUT,	/* 48 */
+	MDP_COMP_TO_WARP1MOUT,	/* 49 */
+	MDP_COMP_VPP0_SOUT,	/* 50 */
+	MDP_COMP_VPP1_SOUT,	/* 51 */
+	MDP_COMP_PQ0_SOUT,	/* 52 */
+	MDP_COMP_PQ1_SOUT,	/* 53 */
+	MDP_COMP_HDR0,		/* 54 */
+	MDP_COMP_HDR1,		/* 55 */
+	MDP_COMP_HDR2,		/* 56 */
+	MDP_COMP_HDR3,		/* 57 */
+	MDP_COMP_OVL0,		/* 58 */
+	MDP_COMP_OVL1,		/* 59 */
+	MDP_COMP_PAD0,		/* 60 */
+	MDP_COMP_PAD1,		/* 61 */
+	MDP_COMP_PAD2,		/* 62 */
+	MDP_COMP_PAD3,		/* 63 */
+	MDP_COMP_TCC0,		/* 64 */
+	MDP_COMP_TCC1,		/* 65 */
+	MDP_COMP_MERGE2,	/* 66 */
+	MDP_COMP_MERGE3,	/* 67 */
+	MDP_COMP_VDO0DL0,	/* 68 */
+	MDP_COMP_VDO1DL0,	/* 69 */
+	MDP_COMP_VDO0DL1,	/* 70 */
+	MDP_COMP_VDO1DL1,	/* 71 */
+
+	MDP_MAX_COMP_COUNT	/* ALWAYS keep at the end */
+};
+
+enum mdp_comp_type {
+	MDP_COMP_TYPE_INVALID = 0,
+
+	MDP_COMP_TYPE_RDMA,
+	MDP_COMP_TYPE_RSZ,
+	MDP_COMP_TYPE_WROT,
+	MDP_COMP_TYPE_WDMA,
+	MDP_COMP_TYPE_PATH,
+
+	MDP_COMP_TYPE_TDSHP,
+	MDP_COMP_TYPE_COLOR,
+	MDP_COMP_TYPE_DRE,
+	MDP_COMP_TYPE_CCORR,
+	MDP_COMP_TYPE_AAL,
+	MDP_COMP_TYPE_TCC,
+	MDP_COMP_TYPE_HDR,
+	MDP_COMP_TYPE_SPLIT,
+	MDP_COMP_TYPE_STITCH,
+	MDP_COMP_TYPE_FG,
+	MDP_COMP_TYPE_OVL,
+	MDP_COMP_TYPE_PAD,
+	MDP_COMP_TYPE_MERGE,
+
+	MDP_COMP_TYPE_IMGI,
+	MDP_COMP_TYPE_WPEI,
+	MDP_COMP_TYPE_EXTO,	/* External path */
+	MDP_COMP_TYPE_DL_PATH,	/* Direct-link path */
+	MDP_COMP_TYPE_DUMMY,
+
+	MDP_COMP_TYPE_COUNT	/* ALWAYS keep at the end */
+};
+
+#define MDP_GCE_NO_EVENT (-1)
+enum {
+	MDP_GCE_EVENT_SOF = 0,
+	MDP_GCE_EVENT_EOF = 1,
+	MDP_GCE_EVENT_MAX,
+};
+
+struct mdp_comp_match {
+	enum mdp_comp_type type;
+	u32 alias_id;
+	s32 inner_id;
+	s32 subsys_id;
+};
+
+/* Used to describe the item order in MDP property */
+struct mdp_comp_info {
+	u32 clk_num;
+	u32 clk_ofst;
+	u32 dts_reg_ofst;
+};
+
+struct mdp_comp_blend {
+	enum mtk_mdp_comp_id b_id;
+	bool aid_mod;
+	bool aid_clk;
+};
+
+struct mdp_comp_data {
+	struct mdp_comp_match match;
+	struct mdp_comp_info info;
+	struct mdp_comp_blend blend;
+};
+
+struct mdp_comp_ops;
+
+struct mdp_comp {
+	struct mdp_dev			*mdp_dev;
+	void __iomem			*regs;
+	phys_addr_t			reg_base;
+	u8				subsys_id;
+	u8				clk_num;
+	struct clk			**clks;
+	struct device			*comp_dev;
+	enum mdp_comp_type		type;
+	enum mtk_mdp_comp_id		public_id;
+	s32				inner_id;
+	u32				alias_id;
+	s32				gce_event[MDP_GCE_EVENT_MAX];
+	const struct mdp_comp_ops	*ops;
+};
+
+struct mdp_comp_ctx {
+	struct mdp_comp			*comp;
+	const struct img_compparam	*param;
+	const struct img_input		*input;
+	const struct img_output		*outputs[IMG_MAX_HW_OUTPUTS];
+};
+
+struct mdp_comp_ops {
+	s64 (*get_comp_flag)(const struct mdp_comp_ctx *ctx);
+	int (*init_comp)(struct mdp_comp_ctx *ctx, struct mdp_cmdq_cmd *cmd);
+	int (*config_frame)(struct mdp_comp_ctx *ctx, struct mdp_cmdq_cmd *cmd,
+			    const struct v4l2_rect *compose);
+	int (*config_subfrm)(struct mdp_comp_ctx *ctx,
+			     struct mdp_cmdq_cmd *cmd, u32 index);
+	int (*wait_comp_event)(struct mdp_comp_ctx *ctx,
+			       struct mdp_cmdq_cmd *cmd);
+	int (*advance_subfrm)(struct mdp_comp_ctx *ctx,
+			      struct mdp_cmdq_cmd *cmd, u32 index);
+	int (*post_process)(struct mdp_comp_ctx *ctx, struct mdp_cmdq_cmd *cmd);
+};
+
+struct mdp_dev;
+
+int mdp_comp_config(struct mdp_dev *mdp);
+void mdp_comp_destroy(struct mdp_dev *mdp);
+int mdp_comp_clock_on(struct device *dev, struct mdp_comp *comp);
+void mdp_comp_clock_off(struct device *dev, struct mdp_comp *comp);
+int mdp_comp_clocks_on(struct device *dev, struct mdp_comp *comps, int num);
+void mdp_comp_clocks_off(struct device *dev, struct mdp_comp *comps, int num);
+int mdp_comp_ctx_config(struct mdp_dev *mdp, struct mdp_comp_ctx *ctx,
+			const struct img_compparam *param,
+			const struct img_ipi_frameparam *frame);
+
+#endif  /* __MTK_MDP3_COMP_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c

@@ -0,0 +1,427 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/remoteproc.h>
+#include <linux/remoteproc/mtk_scp.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk-mdp3-core.h"
+#include "mtk-mdp3-cfg.h"
+#include "mtk-mdp3-m2m.h"
+
+static const struct of_device_id mdp_of_ids[] = {
+	{ .compatible = "mediatek,mt8183-mdp3-rdma",
+	  .data = &mt8183_mdp_driver_data,
+	},
+	{ .compatible = "mediatek,mt8188-mdp3-rdma",
+	  .data = &mt8188_mdp_driver_data,
+	},
+	{ .compatible = "mediatek,mt8195-mdp3-rdma",
+	  .data = &mt8195_mdp_driver_data,
+	},
+	{ .compatible = "mediatek,mt8195-mdp3-wrot",
+	  .data = &mt8195_mdp_driver_data,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, mdp_of_ids);
+
+static struct platform_device *__get_pdev_by_id(struct platform_device *pdev,
+						struct platform_device *from,
+						enum mdp_infra_id id)
+{
+	struct device_node *node, *f = NULL;
+	struct platform_device *mdp_pdev = NULL;
+	const struct mtk_mdp_driver_data *mdp_data;
+	const char *compat;
+
+	if (!pdev)
+		return NULL;
+
+	if (id < MDP_INFRA_MMSYS || id >= MDP_INFRA_MAX) {
+		dev_err(&pdev->dev, "Illegal infra id %d\n", id);
+		return NULL;
+	}
+
+	mdp_data = of_device_get_match_data(&pdev->dev);
+	if (!mdp_data) {
+		dev_err(&pdev->dev, "have no driver data to find node\n");
+		return NULL;
+	}
+
+	compat = mdp_data->mdp_probe_infra[id].compatible;
+	if (strlen(compat) == 0)
+		return NULL;
+
+	if (from)
+		f = from->dev.of_node;
+	node = of_find_compatible_node(f, NULL, compat);
+	if (WARN_ON(!node)) {
+		dev_err(&pdev->dev, "find node from id %d failed\n", id);
+		return NULL;
+	}
+
+	mdp_pdev = of_find_device_by_node(node);
+	of_node_put(node);
+	if (WARN_ON(!mdp_pdev)) {
+		dev_err(&pdev->dev, "find pdev from id %d failed\n", id);
+		return NULL;
+	}
+
+	return mdp_pdev;
+}
+
+int mdp_vpu_get_locked(struct mdp_dev *mdp)
+{
+	int ret = 0;
+
+	if (mdp->vpu_count++ == 0) {
+		ret = rproc_boot(mdp->rproc_handle);
+		if (ret) {
+			dev_err(&mdp->pdev->dev,
+				"vpu_load_firmware failed %d\n", ret);
+			goto err_load_vpu;
+		}
+		ret = mdp_vpu_register(mdp);
+		if (ret) {
+			dev_err(&mdp->pdev->dev,
+				"mdp_vpu register failed %d\n", ret);
+			goto err_reg_vpu;
+		}
+		ret = mdp_vpu_dev_init(&mdp->vpu, mdp->scp, &mdp->vpu_lock);
+		if (ret) {
+			dev_err(&mdp->pdev->dev,
+				"mdp_vpu device init failed %d\n", ret);
+			goto err_init_vpu;
+		}
+	}
+	return 0;
+
+err_init_vpu:
+	mdp_vpu_unregister(mdp);
+err_reg_vpu:
+err_load_vpu:
+	mdp->vpu_count--;
+	return ret;
+}
+
+void mdp_vpu_put_locked(struct mdp_dev *mdp)
+{
+	if (--mdp->vpu_count == 0) {
+		mdp_vpu_dev_deinit(&mdp->vpu);
+		mdp_vpu_unregister(mdp);
+	}
+}
+
+void mdp_video_device_release(struct video_device *vdev)
+{
+	struct mdp_dev *mdp = (struct mdp_dev *)video_get_drvdata(vdev);
+	int i;
+
+	for (i = 0; i < mdp->mdp_data->pp_used; i++)
+		if (mdp->cmdq_clt[i])
+			cmdq_mbox_destroy(mdp->cmdq_clt[i]);
+
+	scp_put(mdp->scp);
+
+	destroy_workqueue(mdp->job_wq);
+	destroy_workqueue(mdp->clock_wq);
+
+	pm_runtime_disable(&mdp->pdev->dev);
+
+	vb2_dma_contig_clear_max_seg_size(&mdp->pdev->dev);
+
+	mdp_comp_destroy(mdp);
+	for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+		enum mdp_mm_subsys_id idx;
+		struct mtk_mutex *m;
+		u32 m_id;
+
+		idx = mdp->mdp_data->pipe_info[i].sub_id;
+		m_id = mdp->mdp_data->pipe_info[i].mutex_id;
+		m = mdp->mm_subsys[idx].mdp_mutex[m_id];
+		if (!IS_ERR_OR_NULL(m))
+			mtk_mutex_put(m);
+	}
+
+	mdp_vpu_shared_mem_free(&mdp->vpu);
+	v4l2_m2m_release(mdp->m2m_dev);
+	kfree(mdp);
+}
+
+static void mdp_put_device(void *_dev)
+{
+	struct device *dev = _dev;
+
+	put_device(dev);
+}
+
+static int mdp_mm_subsys_deploy(struct mdp_dev *mdp, enum mdp_infra_id id)
+{
+	struct platform_device *mm_pdev = NULL;
+	struct device **dev;
+	int ret;
+	int i;
+
+	if (!mdp)
+		return -EINVAL;
+
+	for (i = 0; i < MDP_MM_SUBSYS_MAX; i++) {
+		const char *compat;
+		enum mdp_infra_id sub_id = id + i;
+
+		switch (id) {
+		case MDP_INFRA_MMSYS:
+			dev = &mdp->mm_subsys[i].mmsys;
+			break;
+		case MDP_INFRA_MUTEX:
+			dev = &mdp->mm_subsys[i].mutex;
+			break;
+		default:
+			dev_err(&mdp->pdev->dev, "Unknown infra id %d", id);
+			return -EINVAL;
+		}
+
+		/*
+		 * Not every chip has multiple multimedia subsystems, so
+		 * the config may be null.
+		 */
+		compat = mdp->mdp_data->mdp_probe_infra[sub_id].compatible;
+		if (strlen(compat) == 0)
+			continue;
+
+		mm_pdev = __get_pdev_by_id(mdp->pdev, mm_pdev, sub_id);
+		if (WARN_ON(!mm_pdev))
+			return -ENODEV;
+
+		ret = devm_add_action_or_reset(&mdp->pdev->dev, mdp_put_device,
+					       &mm_pdev->dev);
+		if (ret)
+			return ret;
+
+		*dev = &mm_pdev->dev;
+	}
+
+	return 0;
+}
+
+static int mdp_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mdp_dev *mdp;
+	struct platform_device *mm_pdev;
+	struct resource *res;
+	int ret, i, mutex_id;
+
+	mdp = kzalloc_obj(*mdp);
+	if (!mdp) {
+		ret = -ENOMEM;
+		goto err_return;
+	}
+
+	mdp->pdev = pdev;
+	mdp->mdp_data = of_device_get_match_data(&pdev->dev);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res->start != mdp->mdp_data->mdp_con_res) {
+		platform_set_drvdata(pdev, mdp);
+		goto success_return;
+	}
+
+	ret = mdp_mm_subsys_deploy(mdp, MDP_INFRA_MMSYS);
+	if (ret)
+		goto err_destroy_device;
+
+	ret = mdp_mm_subsys_deploy(mdp, MDP_INFRA_MUTEX);
+	if (ret)
+		goto err_destroy_device;
+
+	for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+		enum mdp_mm_subsys_id idx;
+		struct mtk_mutex **m;
+
+		idx = mdp->mdp_data->pipe_info[i].sub_id;
+		mutex_id = mdp->mdp_data->pipe_info[i].mutex_id;
+		m = &mdp->mm_subsys[idx].mdp_mutex[mutex_id];
+
+		if (!IS_ERR_OR_NULL(*m))
+			continue;
+
+		*m = mtk_mutex_get(mdp->mm_subsys[idx].mutex);
+		if (IS_ERR(*m)) {
+			ret = PTR_ERR(*m);
+			goto err_free_mutex;
+		}
+	}
+
+	ret = mdp_comp_config(mdp);
+	if (ret) {
+		dev_err(dev, "Failed to config mdp components\n");
+		goto err_free_mutex;
+	}
+
+	mdp->job_wq = alloc_workqueue(MDP_MODULE_NAME,
+				      WQ_FREEZABLE | WQ_PERCPU, 0);
+	if (!mdp->job_wq) {
+		dev_err(dev, "Unable to create job workqueue\n");
+		ret = -ENOMEM;
+		goto err_deinit_comp;
+	}
+
+	mdp->clock_wq = alloc_workqueue(MDP_MODULE_NAME "-clock",
+					WQ_FREEZABLE | WQ_PERCPU,
+					0);
+	if (!mdp->clock_wq) {
+		dev_err(dev, "Unable to create clock workqueue\n");
+		ret = -ENOMEM;
+		goto err_destroy_job_wq;
+	}
+
+	mdp->scp = scp_get(pdev);
+	if (!mdp->scp) {
+		mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_SCP);
+		if (WARN_ON(!mm_pdev)) {
+			dev_err(&pdev->dev, "Could not get scp device\n");
+			ret = -ENODEV;
+			goto err_destroy_clock_wq;
+		}
+		mdp->scp = platform_get_drvdata(mm_pdev);
+		put_device(&mm_pdev->dev);
+	}
+
+	mdp->rproc_handle = scp_get_rproc(mdp->scp);
+	dev_dbg(&pdev->dev, "MDP rproc_handle: %p", mdp->rproc_handle);
+
+	mutex_init(&mdp->vpu_lock);
+	mutex_init(&mdp->m2m_lock);
+
+	for (i = 0; i < mdp->mdp_data->pp_used; i++) {
+		mdp->cmdq_clt[i] = cmdq_mbox_create(dev, i);
+		if (IS_ERR(mdp->cmdq_clt[i])) {
+			ret = PTR_ERR(mdp->cmdq_clt[i]);
+			goto err_mbox_destroy;
+		}
+
+		mdp->cmdq_shift_pa[i] = cmdq_get_shift_pa(mdp->cmdq_clt[i]->chan);
+	}
+
+	init_waitqueue_head(&mdp->callback_wq);
+	ida_init(&mdp->mdp_ida);
+	platform_set_drvdata(pdev, mdp);
+
+	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+
+	ret = v4l2_device_register(dev, &mdp->v4l2_dev);
+	if (ret) {
+		dev_err(dev, "Failed to register v4l2 device\n");
+		ret = -EINVAL;
+		goto err_mbox_destroy;
+	}
+
+	ret = mdp_m2m_device_register(mdp);
+	if (ret) {
+		v4l2_err(&mdp->v4l2_dev, "Failed to register m2m device\n");
+		goto err_unregister_device;
+	}
+
+success_return:
+	dev_dbg(dev, "mdp-%d registered successfully\n", pdev->id);
+	return 0;
+
+err_unregister_device:
+	v4l2_device_unregister(&mdp->v4l2_dev);
+err_mbox_destroy:
+	while (--i >= 0)
+		cmdq_mbox_destroy(mdp->cmdq_clt[i]);
+	scp_put(mdp->scp);
+err_destroy_clock_wq:
+	destroy_workqueue(mdp->clock_wq);
+err_destroy_job_wq:
+	destroy_workqueue(mdp->job_wq);
+err_deinit_comp:
+	mdp_comp_destroy(mdp);
+err_free_mutex:
+	for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+		enum mdp_mm_subsys_id idx;
+		struct mtk_mutex *m;
+
+		idx = mdp->mdp_data->pipe_info[i].sub_id;
+		mutex_id = mdp->mdp_data->pipe_info[i].mutex_id;
+		m = mdp->mm_subsys[idx].mdp_mutex[mutex_id];
+		if (!IS_ERR_OR_NULL(m))
+			mtk_mutex_put(m);
+	}
+err_destroy_device:
+	kfree(mdp);
+err_return:
+	dev_dbg(dev, "Errno %d\n", ret);
+	return ret;
+}
+
+static void mdp_remove(struct platform_device *pdev)
+{
+	struct mdp_dev *mdp = platform_get_drvdata(pdev);
+
+	v4l2_device_unregister(&mdp->v4l2_dev);
+
+	dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
+}
+
+static int __maybe_unused mdp_suspend(struct device *dev)
+{
+	struct mdp_dev *mdp = dev_get_drvdata(dev);
+	int ret;
+
+	atomic_set(&mdp->suspended, 1);
+
+	if (refcount_read(&mdp->job_count)) {
+		ret = wait_event_timeout(mdp->callback_wq,
+					 !refcount_read(&mdp->job_count),
+					 2 * HZ);
+		if (ret == 0) {
+			dev_err(dev,
+				"%s:flushed cmdq task incomplete, count=%d\n",
+				__func__, refcount_read(&mdp->job_count));
+			return -EBUSY;
+		}
+	}
+
+	return 0;
+}
+
+static int __maybe_unused mdp_resume(struct device *dev)
+{
+	struct mdp_dev *mdp = dev_get_drvdata(dev);
+
+	atomic_set(&mdp->suspended, 0);
+
+	return 0;
+}
+
+static const struct dev_pm_ops mdp_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mdp_suspend, mdp_resume)
+};
+
+static struct platform_driver mdp_driver = {
+	.probe		= mdp_probe,
+	.remove		= mdp_remove,
+	.driver = {
+		.name	= MDP_MODULE_NAME,
+		.pm	= &mdp_pm_ops,
+		.of_match_table = mdp_of_ids,
+	},
+};
+
+module_platform_driver(mdp_driver);
+
+MODULE_AUTHOR("Ping-Hsun Wu <ping-hsun.wu@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek image processor 3 driver");
+MODULE_LICENSE("GPL");

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h

@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_CORE_H__
+#define __MTK_MDP3_CORE_H__
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-mem2mem.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>
+#include "mtk-mdp3-comp.h"
+#include "mtk-mdp3-vpu.h"
+
+#define MDP_MODULE_NAME		"mtk-mdp3"
+#define MDP_DEVICE_NAME		"MediaTek MDP3"
+#define MDP_PHANDLE_NAME	"mediatek,mdp3"
+
+enum mdp_infra_id {
+	/*
+	 * Due to the sequential nature of function "mdp_mm_subsys_deploy",
+	 * adding new enum. necessitates careful consideration.
+	 */
+	MDP_INFRA_MMSYS,
+	MDP_INFRA_MMSYS2,
+	MDP_INFRA_MUTEX,
+	MDP_INFRA_MUTEX2,
+	MDP_INFRA_SCP,
+	MDP_INFRA_MAX
+};
+
+enum mdp_mm_subsys_id {
+	MDP_MM_SUBSYS_0,
+	MDP_MM_SUBSYS_1,
+	MDP_MM_SUBSYS_MAX,
+};
+
+enum mdp_buffer_usage {
+	MDP_BUFFER_USAGE_HW_READ,
+	MDP_BUFFER_USAGE_MDP,
+	MDP_BUFFER_USAGE_MDP2,
+	MDP_BUFFER_USAGE_ISP,
+	MDP_BUFFER_USAGE_WPE,
+};
+
+struct mdp_platform_config {
+	bool	rdma_support_10bit;
+	bool	rdma_rsz1_sram_sharing;
+	bool	rdma_upsample_repeat_only;
+	bool	rdma_esl_setting;
+	u32	rdma_event_num;
+	bool	rsz_disable_dcm_small_sample;
+	bool	rsz_etc_control;
+	bool	wrot_filter_constraint;
+	bool	wrot_support_10bit;
+	u32	wrot_event_num;
+	u32	tdshp_hist_num;
+	bool	tdshp_constrain;
+	bool	tdshp_contour;
+};
+
+/* indicate which mutex is used by each pipepline */
+enum mdp_pipe_id {
+	MDP_PIPE_WPEI,
+	MDP_PIPE_WPEI2,
+	MDP_PIPE_IMGI,
+	MDP_PIPE_RDMA0,
+	MDP_PIPE_RDMA1,
+	MDP_PIPE_RDMA2,
+	MDP_PIPE_RDMA3,
+	MDP_PIPE_SPLIT,
+	MDP_PIPE_SPLIT2,
+	MDP_PIPE_VPP0_SOUT,
+	MDP_PIPE_VPP1_SOUT,
+	MDP_PIPE_MAX
+};
+
+/* MDP parallel pipe control */
+enum {
+	MDP_PP_USED_1 = 1,
+	MDP_PP_USED_2 = 2,
+};
+
+#define MDP_PP_MAX MDP_PP_USED_2
+
+struct mtk_mdp_driver_data {
+	const int mdp_plat_id;
+	const resource_size_t mdp_con_res;
+	const struct of_device_id *mdp_probe_infra;
+	const struct mdp_platform_config *mdp_cfg;
+	const u32 *mdp_mutex_table_idx;
+	const struct mdp_comp_data *comp_data;
+	unsigned int comp_data_len;
+	const struct of_device_id *mdp_sub_comp_dt_ids;
+	const struct mdp_format *format;
+	unsigned int format_len;
+	const struct mdp_limit *def_limit;
+	const struct mdp_pipe_info *pipe_info;
+	unsigned int pipe_info_len;
+	const struct v4l2_rect *pp_criteria;
+	const u8 pp_used;
+};
+
+struct mdp_mm_subsys {
+	struct device *mmsys;
+	struct device *mutex;
+	struct mtk_mutex *mdp_mutex[MDP_PIPE_MAX];
+};
+
+struct mdp_dev {
+	struct platform_device			*pdev;
+	struct mdp_mm_subsys			mm_subsys[MDP_MM_SUBSYS_MAX];
+	struct mdp_comp				*comp[MDP_MAX_COMP_COUNT];
+	const struct mtk_mdp_driver_data	*mdp_data;
+
+	struct workqueue_struct			*job_wq;
+	struct workqueue_struct			*clock_wq;
+	struct mdp_vpu_dev			vpu;
+	struct mtk_scp				*scp;
+	struct rproc				*rproc_handle;
+	/* synchronization protect for accessing vpu working buffer info */
+	struct mutex				vpu_lock;
+	s32					vpu_count;
+	u32					id_count;
+	struct ida				mdp_ida;
+	struct cmdq_client			*cmdq_clt[MDP_PP_MAX];
+	u8					cmdq_shift_pa[MDP_PP_MAX];
+	wait_queue_head_t			callback_wq;
+
+	struct v4l2_device			v4l2_dev;
+	struct video_device			*m2m_vdev;
+	struct v4l2_m2m_dev			*m2m_dev;
+	/* synchronization protect for m2m device operation */
+	struct mutex				m2m_lock;
+	atomic_t				suspended;
+	refcount_t				job_count;
+};
+
+struct mdp_pipe_info {
+	enum mdp_pipe_id pipe_id;
+	enum mdp_mm_subsys_id sub_id;
+	u32 mutex_id;
+};
+
+int mdp_vpu_get_locked(struct mdp_dev *mdp);
+void mdp_vpu_put_locked(struct mdp_dev *mdp);
+int mdp_vpu_register(struct mdp_dev *mdp);
+void mdp_vpu_unregister(struct mdp_dev *mdp);
+void mdp_video_device_release(struct video_device *vdev);
+
+#endif  /* __MTK_MDP3_CORE_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-m2m.c

@@ -0,0 +1,738 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#include <linux/platform_device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/videobuf2-dma-contig.h>
+#include "mtk-mdp3-m2m.h"
+
+static inline struct mdp_m2m_ctx *file_to_ctx(struct file *filp)
+{
+	return container_of(file_to_v4l2_fh(filp), struct mdp_m2m_ctx, fh);
+}
+
+static inline struct mdp_m2m_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
+{
+	return container_of(ctrl->handler, struct mdp_m2m_ctx, ctrl_handler);
+}
+
+static inline struct mdp_frame *ctx_get_frame(struct mdp_m2m_ctx *ctx,
+					      enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return &ctx->curr_param.output;
+	else
+		return &ctx->curr_param.captures[0];
+}
+
+static inline void mdp_m2m_ctx_set_state(struct mdp_m2m_ctx *ctx, u32 state)
+{
+	atomic_or(state, &ctx->curr_param.state);
+}
+
+static inline bool mdp_m2m_ctx_is_state_set(struct mdp_m2m_ctx *ctx, u32 mask)
+{
+	return ((atomic_read(&ctx->curr_param.state) & mask) == mask);
+}
+
+static void mdp_m2m_process_done(void *priv, int vb_state)
+{
+	struct mdp_m2m_ctx *ctx = priv;
+	struct vb2_v4l2_buffer *src_vbuf, *dst_vbuf;
+
+	src_vbuf = (struct vb2_v4l2_buffer *)
+			v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+	dst_vbuf = (struct vb2_v4l2_buffer *)
+			v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+	ctx->curr_param.frame_no = ctx->frame_count[MDP_M2M_SRC];
+	src_vbuf->sequence = ctx->frame_count[MDP_M2M_SRC]++;
+	dst_vbuf->sequence = ctx->frame_count[MDP_M2M_DST]++;
+	v4l2_m2m_buf_copy_metadata(src_vbuf, dst_vbuf);
+
+	v4l2_m2m_buf_done(src_vbuf, vb_state);
+	v4l2_m2m_buf_done(dst_vbuf, vb_state);
+	v4l2_m2m_job_finish(ctx->mdp_dev->m2m_dev, ctx->m2m_ctx);
+}
+
+static void mdp_m2m_device_run(void *priv)
+{
+	struct mdp_m2m_ctx *ctx = priv;
+	struct mdp_frame *frame;
+	struct vb2_v4l2_buffer *src_vb, *dst_vb;
+	struct img_ipi_frameparam param = {};
+	struct mdp_cmdq_param task = {};
+	enum vb2_buffer_state vb_state = VB2_BUF_STATE_ERROR;
+	int ret;
+
+	if (mdp_m2m_ctx_is_state_set(ctx, MDP_M2M_CTX_ERROR)) {
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"mdp_m2m_ctx is in error state\n");
+		goto worker_end;
+	}
+
+	param.frame_no = ctx->curr_param.frame_no;
+	param.type = ctx->curr_param.type;
+	param.num_inputs = 1;
+	param.num_outputs = 1;
+
+	frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+	src_vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	mdp_set_src_config(&param.inputs[0], frame, &src_vb->vb2_buf);
+
+	frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	dst_vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+	mdp_set_dst_config(&param.outputs[0], frame, &dst_vb->vb2_buf);
+
+	if (mdp_check_pp_enable(ctx->mdp_dev, frame))
+		param.type = MDP_STREAM_TYPE_DUAL_BITBLT;
+
+	ret = mdp_vpu_process(&ctx->mdp_dev->vpu, &param);
+	if (ret) {
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"VPU MDP process failed: %d\n", ret);
+		goto worker_end;
+	}
+
+	task.config = ctx->mdp_dev->vpu.config;
+	task.param = &param;
+	task.composes[0] = &frame->compose;
+	task.cmdq_cb = NULL;
+	task.cb_data = NULL;
+	task.mdp_ctx = ctx;
+
+	if (refcount_read(&ctx->mdp_dev->job_count)) {
+		ret = wait_event_timeout(ctx->mdp_dev->callback_wq,
+					 !refcount_read(&ctx->mdp_dev->job_count),
+					 2 * HZ);
+		if (ret == 0) {
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"%d jobs not yet done\n",
+				refcount_read(&ctx->mdp_dev->job_count));
+			goto worker_end;
+		}
+	}
+
+	ret = mdp_cmdq_send(ctx->mdp_dev, &task);
+	if (ret) {
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"CMDQ sendtask failed: %d\n", ret);
+		goto worker_end;
+	}
+
+	return;
+
+worker_end:
+	mdp_m2m_process_done(ctx, vb_state);
+}
+
+static int mdp_m2m_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct mdp_m2m_ctx *ctx = vb2_get_drv_priv(q);
+	struct mdp_frame *capture;
+	struct vb2_queue *vq;
+	int ret;
+	bool out_streaming, cap_streaming;
+
+	if (V4L2_TYPE_IS_OUTPUT(q->type))
+		ctx->frame_count[MDP_M2M_SRC] = 0;
+
+	if (V4L2_TYPE_IS_CAPTURE(q->type))
+		ctx->frame_count[MDP_M2M_DST] = 0;
+
+	capture = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	vq = v4l2_m2m_get_src_vq(ctx->m2m_ctx);
+	out_streaming = vb2_is_streaming(vq);
+	vq = v4l2_m2m_get_dst_vq(ctx->m2m_ctx);
+	cap_streaming = vb2_is_streaming(vq);
+
+	/* Check to see if scaling ratio is within supported range */
+	if ((V4L2_TYPE_IS_OUTPUT(q->type) && cap_streaming) ||
+	    (V4L2_TYPE_IS_CAPTURE(q->type) && out_streaming)) {
+		ret = mdp_check_scaling_ratio(&capture->crop.c,
+					      &capture->compose,
+					      capture->rotation,
+					      ctx->curr_param.limit);
+		if (ret) {
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"Out of scaling range\n");
+			return ret;
+		}
+	}
+
+	if (!mdp_m2m_ctx_is_state_set(ctx, MDP_VPU_INIT)) {
+		ret = mdp_vpu_get_locked(ctx->mdp_dev);
+		if (ret) {
+			dev_err(&ctx->mdp_dev->pdev->dev,
+				"VPU init failed %d\n", ret);
+			return -EINVAL;
+		}
+		mdp_m2m_ctx_set_state(ctx, MDP_VPU_INIT);
+	}
+
+	return 0;
+}
+
+static struct vb2_v4l2_buffer *mdp_m2m_buf_remove(struct mdp_m2m_ctx *ctx,
+						  unsigned int type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return (struct vb2_v4l2_buffer *)
+			v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+	else
+		return (struct vb2_v4l2_buffer *)
+			v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+}
+
+static void mdp_m2m_stop_streaming(struct vb2_queue *q)
+{
+	struct mdp_m2m_ctx *ctx = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *vb;
+
+	vb = mdp_m2m_buf_remove(ctx, q->type);
+	while (vb) {
+		v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
+		vb = mdp_m2m_buf_remove(ctx, q->type);
+	}
+}
+
+static int mdp_m2m_queue_setup(struct vb2_queue *q,
+			       unsigned int *num_buffers,
+			       unsigned int *num_planes, unsigned int sizes[],
+			       struct device *alloc_devs[])
+{
+	struct mdp_m2m_ctx *ctx = vb2_get_drv_priv(q);
+	struct v4l2_pix_format_mplane *pix_mp;
+	u32 i;
+
+	pix_mp = &ctx_get_frame(ctx, q->type)->format.fmt.pix_mp;
+
+	/* from VIDIOC_CREATE_BUFS */
+	if (*num_planes) {
+		if (*num_planes != pix_mp->num_planes)
+			return -EINVAL;
+		for (i = 0; i < pix_mp->num_planes; ++i)
+			if (sizes[i] < pix_mp->plane_fmt[i].sizeimage)
+				return -EINVAL;
+	} else {/* from VIDIOC_REQBUFS */
+		*num_planes = pix_mp->num_planes;
+		for (i = 0; i < pix_mp->num_planes; ++i)
+			sizes[i] = pix_mp->plane_fmt[i].sizeimage;
+	}
+
+	return 0;
+}
+
+static int mdp_m2m_buf_prepare(struct vb2_buffer *vb)
+{
+	struct mdp_m2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct v4l2_pix_format_mplane *pix_mp;
+	struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+	u32 i;
+
+	v4l2_buf->field = V4L2_FIELD_NONE;
+
+	if (V4L2_TYPE_IS_CAPTURE(vb->type)) {
+		pix_mp = &ctx_get_frame(ctx, vb->type)->format.fmt.pix_mp;
+		for (i = 0; i < pix_mp->num_planes; ++i) {
+			vb2_set_plane_payload(vb, i,
+					      pix_mp->plane_fmt[i].sizeimage);
+		}
+	}
+	return 0;
+}
+
+static int mdp_m2m_buf_out_validate(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+
+	v4l2_buf->field = V4L2_FIELD_NONE;
+
+	return 0;
+}
+
+static void mdp_m2m_buf_queue(struct vb2_buffer *vb)
+{
+	struct mdp_m2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+
+	v4l2_buf->field = V4L2_FIELD_NONE;
+
+	v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
+}
+
+static const struct vb2_ops mdp_m2m_qops = {
+	.queue_setup	= mdp_m2m_queue_setup,
+	.buf_prepare	= mdp_m2m_buf_prepare,
+	.start_streaming = mdp_m2m_start_streaming,
+	.stop_streaming	= mdp_m2m_stop_streaming,
+	.buf_queue	= mdp_m2m_buf_queue,
+	.buf_out_validate = mdp_m2m_buf_out_validate,
+};
+
+static int mdp_m2m_querycap(struct file *file, void *fh,
+			    struct v4l2_capability *cap)
+{
+	strscpy(cap->driver, MDP_MODULE_NAME, sizeof(cap->driver));
+	strscpy(cap->card, MDP_DEVICE_NAME, sizeof(cap->card));
+
+	return 0;
+}
+
+static int mdp_m2m_enum_fmt_mplane(struct file *file, void *fh,
+				   struct v4l2_fmtdesc *f)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+
+	return mdp_enum_fmt_mplane(ctx->mdp_dev, f);
+}
+
+static int mdp_m2m_g_fmt_mplane(struct file *file, void *fh,
+				struct v4l2_format *f)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+	struct mdp_frame *frame;
+	struct v4l2_pix_format_mplane *pix_mp;
+
+	frame = ctx_get_frame(ctx, f->type);
+	*f = frame->format;
+	pix_mp = &f->fmt.pix_mp;
+	pix_mp->colorspace = ctx->curr_param.colorspace;
+	pix_mp->xfer_func = ctx->curr_param.xfer_func;
+	pix_mp->ycbcr_enc = ctx->curr_param.ycbcr_enc;
+	pix_mp->quantization = ctx->curr_param.quant;
+
+	return 0;
+}
+
+static int mdp_m2m_s_fmt_mplane(struct file *file, void *fh,
+				struct v4l2_format *f)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+	struct mdp_frame *frame = ctx_get_frame(ctx, f->type);
+	struct mdp_frame *capture;
+	const struct mdp_format *fmt;
+	struct vb2_queue *vq;
+
+	fmt = mdp_try_fmt_mplane(ctx->mdp_dev, f, &ctx->curr_param, ctx->id);
+	if (!fmt)
+		return -EINVAL;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (vb2_is_busy(vq))
+		return -EBUSY;
+
+	frame->format = *f;
+	frame->mdp_fmt = fmt;
+	frame->ycbcr_prof = mdp_map_ycbcr_prof_mplane(f, fmt->mdp_color);
+	frame->usage = V4L2_TYPE_IS_OUTPUT(f->type) ?
+		MDP_BUFFER_USAGE_HW_READ : MDP_BUFFER_USAGE_MDP;
+
+	capture = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
+		capture->crop.c.left = 0;
+		capture->crop.c.top = 0;
+		capture->crop.c.width = f->fmt.pix_mp.width;
+		capture->crop.c.height = f->fmt.pix_mp.height;
+		ctx->curr_param.colorspace = f->fmt.pix_mp.colorspace;
+		ctx->curr_param.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
+		ctx->curr_param.quant = f->fmt.pix_mp.quantization;
+		ctx->curr_param.xfer_func = f->fmt.pix_mp.xfer_func;
+	} else {
+		capture->compose.left = 0;
+		capture->compose.top = 0;
+		capture->compose.width = f->fmt.pix_mp.width;
+		capture->compose.height = f->fmt.pix_mp.height;
+	}
+
+	return 0;
+}
+
+static int mdp_m2m_try_fmt_mplane(struct file *file, void *fh,
+				  struct v4l2_format *f)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+
+	if (!mdp_try_fmt_mplane(ctx->mdp_dev, f, &ctx->curr_param, ctx->id))
+		return -EINVAL;
+
+	return 0;
+}
+
+static int mdp_m2m_g_selection(struct file *file, void *fh,
+			       struct v4l2_selection *s)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+	struct mdp_frame *frame;
+	bool valid = false;
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		valid = mdp_target_is_crop(s->target);
+	else if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		valid = mdp_target_is_compose(s->target);
+
+	if (!valid)
+		return -EINVAL;
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_CROP:
+		if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+			return -EINVAL;
+		frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+		s->r = frame->crop.c;
+		return 0;
+	case V4L2_SEL_TGT_COMPOSE:
+		if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+		s->r = frame->compose;
+		return 0;
+	case V4L2_SEL_TGT_CROP_DEFAULT:
+	case V4L2_SEL_TGT_CROP_BOUNDS:
+		if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+			return -EINVAL;
+		frame = ctx_get_frame(ctx, s->type);
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = frame->format.fmt.pix_mp.width;
+		s->r.height = frame->format.fmt.pix_mp.height;
+		return 0;
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+		if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		frame = ctx_get_frame(ctx, s->type);
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = frame->format.fmt.pix_mp.width;
+		s->r.height = frame->format.fmt.pix_mp.height;
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int mdp_m2m_s_selection(struct file *file, void *fh,
+			       struct v4l2_selection *s)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+	struct mdp_frame *frame = ctx_get_frame(ctx, s->type);
+	struct mdp_frame *capture;
+	struct v4l2_rect r;
+	struct device *dev = &ctx->mdp_dev->pdev->dev;
+	bool valid = false;
+	int ret;
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		valid = (s->target == V4L2_SEL_TGT_CROP);
+	else if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		valid = (s->target == V4L2_SEL_TGT_COMPOSE);
+
+	if (!valid) {
+		dev_dbg(dev, "[%s:%d] invalid type:%u target:%u", __func__,
+			ctx->id, s->type, s->target);
+		return -EINVAL;
+	}
+
+	ret = mdp_try_crop(ctx, &r, s, frame);
+	if (ret)
+		return ret;
+	capture = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+
+	if (mdp_target_is_crop(s->target))
+		capture->crop.c = r;
+	else
+		capture->compose = r;
+
+	s->r = r;
+
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops mdp_m2m_ioctl_ops = {
+	.vidioc_querycap		= mdp_m2m_querycap,
+	.vidioc_enum_fmt_vid_cap	= mdp_m2m_enum_fmt_mplane,
+	.vidioc_enum_fmt_vid_out	= mdp_m2m_enum_fmt_mplane,
+	.vidioc_g_fmt_vid_cap_mplane	= mdp_m2m_g_fmt_mplane,
+	.vidioc_g_fmt_vid_out_mplane	= mdp_m2m_g_fmt_mplane,
+	.vidioc_s_fmt_vid_cap_mplane	= mdp_m2m_s_fmt_mplane,
+	.vidioc_s_fmt_vid_out_mplane	= mdp_m2m_s_fmt_mplane,
+	.vidioc_try_fmt_vid_cap_mplane	= mdp_m2m_try_fmt_mplane,
+	.vidioc_try_fmt_vid_out_mplane	= mdp_m2m_try_fmt_mplane,
+	.vidioc_reqbufs			= v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
+	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
+	.vidioc_expbuf			= v4l2_m2m_ioctl_expbuf,
+	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
+	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
+	.vidioc_streamon		= v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
+	.vidioc_g_selection		= mdp_m2m_g_selection,
+	.vidioc_s_selection		= mdp_m2m_s_selection,
+	.vidioc_subscribe_event		= v4l2_ctrl_subscribe_event,
+	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
+};
+
+static int mdp_m2m_queue_init(void *priv,
+			      struct vb2_queue *src_vq,
+			      struct vb2_queue *dst_vq)
+{
+	struct mdp_m2m_ctx *ctx = priv;
+	int ret;
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	src_vq->ops = &mdp_m2m_qops;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->drv_priv = ctx;
+	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->dev = &ctx->mdp_dev->pdev->dev;
+	src_vq->lock = &ctx->ctx_lock;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	dst_vq->ops = &mdp_m2m_qops;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->drv_priv = ctx;
+	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->dev = &ctx->mdp_dev->pdev->dev;
+	dst_vq->lock = &ctx->ctx_lock;
+
+	return vb2_queue_init(dst_vq);
+}
+
+static int mdp_m2m_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct mdp_m2m_ctx *ctx = ctrl_to_ctx(ctrl);
+	struct mdp_frame *capture;
+
+	capture = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	switch (ctrl->id) {
+	case V4L2_CID_HFLIP:
+		capture->hflip = ctrl->val;
+		break;
+	case V4L2_CID_VFLIP:
+		capture->vflip = ctrl->val;
+		break;
+	case V4L2_CID_ROTATE:
+		capture->rotation = ctrl->val;
+		break;
+	}
+
+	return 0;
+}
+
+static const struct v4l2_ctrl_ops mdp_m2m_ctrl_ops = {
+	.s_ctrl	= mdp_m2m_s_ctrl,
+};
+
+static int mdp_m2m_ctrls_create(struct mdp_m2m_ctx *ctx)
+{
+	v4l2_ctrl_handler_init(&ctx->ctrl_handler, MDP_MAX_CTRLS);
+	ctx->ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+					     &mdp_m2m_ctrl_ops, V4L2_CID_HFLIP,
+					     0, 1, 1, 0);
+	ctx->ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+					     &mdp_m2m_ctrl_ops, V4L2_CID_VFLIP,
+					     0, 1, 1, 0);
+	ctx->ctrls.rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler,
+					      &mdp_m2m_ctrl_ops,
+					      V4L2_CID_ROTATE, 0, 270, 90, 0);
+
+	if (ctx->ctrl_handler.error) {
+		int err = ctx->ctrl_handler.error;
+
+		v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+		dev_err(&ctx->mdp_dev->pdev->dev,
+			"Failed to register controls\n");
+		return err;
+	}
+	return 0;
+}
+
+static int mdp_m2m_open(struct file *file)
+{
+	struct video_device *vdev = video_devdata(file);
+	struct mdp_dev *mdp = video_get_drvdata(vdev);
+	struct mdp_m2m_ctx *ctx;
+	struct device *dev = &mdp->pdev->dev;
+	int ret;
+	struct v4l2_format default_format = {};
+	const struct mdp_limit *limit = mdp->mdp_data->def_limit;
+
+	ctx = kzalloc_obj(*ctx);
+	if (!ctx)
+		return -ENOMEM;
+
+	if (mutex_lock_interruptible(&mdp->m2m_lock)) {
+		ret = -ERESTARTSYS;
+		goto err_free_ctx;
+	}
+
+	ret = ida_alloc(&mdp->mdp_ida, GFP_KERNEL);
+	if (ret < 0)
+		goto err_unlock_mutex;
+	ctx->id = ret;
+
+	ctx->mdp_dev = mdp;
+
+	v4l2_fh_init(&ctx->fh, vdev);
+	ret = mdp_m2m_ctrls_create(ctx);
+	if (ret)
+		goto err_exit_fh;
+
+	/* Use separate control handler per file handle */
+	ctx->fh.ctrl_handler = &ctx->ctrl_handler;
+	v4l2_fh_add(&ctx->fh, file);
+
+	mutex_init(&ctx->ctx_lock);
+	ctx->m2m_ctx = v4l2_m2m_ctx_init(mdp->m2m_dev, ctx, mdp_m2m_queue_init);
+	if (IS_ERR(ctx->m2m_ctx)) {
+		dev_err(dev, "Failed to initialize m2m context\n");
+		ret = PTR_ERR(ctx->m2m_ctx);
+		goto err_release_handler;
+	}
+	ctx->fh.m2m_ctx = ctx->m2m_ctx;
+
+	ctx->curr_param.ctx = ctx;
+	ret = mdp_frameparam_init(mdp, &ctx->curr_param);
+	if (ret) {
+		dev_err(dev, "Failed to initialize mdp parameter\n");
+		goto err_release_m2m_ctx;
+	}
+
+	mutex_unlock(&mdp->m2m_lock);
+
+	/* Default format */
+	default_format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	default_format.fmt.pix_mp.width = limit->out_limit.wmin;
+	default_format.fmt.pix_mp.height = limit->out_limit.hmin;
+	default_format.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_YUV420M;
+	mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format);
+	default_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format);
+
+	dev_dbg(dev, "%s:[%d]", __func__, ctx->id);
+
+	return 0;
+
+err_release_m2m_ctx:
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+err_release_handler:
+	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+	v4l2_fh_del(&ctx->fh, file);
+err_exit_fh:
+	v4l2_fh_exit(&ctx->fh);
+	ida_free(&mdp->mdp_ida, ctx->id);
+err_unlock_mutex:
+	mutex_unlock(&mdp->m2m_lock);
+err_free_ctx:
+	kfree(ctx);
+
+	return ret;
+}
+
+static int mdp_m2m_release(struct file *file)
+{
+	struct mdp_m2m_ctx *ctx = file_to_ctx(file);
+	struct mdp_dev *mdp = video_drvdata(file);
+	struct device *dev = &mdp->pdev->dev;
+
+	mutex_lock(&mdp->m2m_lock);
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+	if (mdp_m2m_ctx_is_state_set(ctx, MDP_VPU_INIT))
+		mdp_vpu_put_locked(mdp);
+
+	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
+	v4l2_fh_del(&ctx->fh, file);
+	v4l2_fh_exit(&ctx->fh);
+	ida_free(&mdp->mdp_ida, ctx->id);
+	mutex_unlock(&mdp->m2m_lock);
+
+	dev_dbg(dev, "%s:[%d]", __func__, ctx->id);
+	kfree(ctx);
+
+	return 0;
+}
+
+static const struct v4l2_file_operations mdp_m2m_fops = {
+	.owner		= THIS_MODULE,
+	.poll		= v4l2_m2m_fop_poll,
+	.unlocked_ioctl	= video_ioctl2,
+	.mmap		= v4l2_m2m_fop_mmap,
+	.open		= mdp_m2m_open,
+	.release	= mdp_m2m_release,
+};
+
+static const struct v4l2_m2m_ops mdp_m2m_ops = {
+	.device_run	= mdp_m2m_device_run,
+};
+
+int mdp_m2m_device_register(struct mdp_dev *mdp)
+{
+	struct device *dev = &mdp->pdev->dev;
+	int ret = 0;
+
+	mdp->m2m_vdev = video_device_alloc();
+	if (!mdp->m2m_vdev) {
+		dev_err(dev, "Failed to allocate video device\n");
+		ret = -ENOMEM;
+		goto err_video_alloc;
+	}
+	mdp->m2m_vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE |
+		V4L2_CAP_STREAMING;
+	mdp->m2m_vdev->fops = &mdp_m2m_fops;
+	mdp->m2m_vdev->ioctl_ops = &mdp_m2m_ioctl_ops;
+	mdp->m2m_vdev->release = mdp_video_device_release;
+	mdp->m2m_vdev->lock = &mdp->m2m_lock;
+	mdp->m2m_vdev->vfl_dir = VFL_DIR_M2M;
+	mdp->m2m_vdev->v4l2_dev = &mdp->v4l2_dev;
+	snprintf(mdp->m2m_vdev->name, sizeof(mdp->m2m_vdev->name), "%s:m2m",
+		 MDP_MODULE_NAME);
+	video_set_drvdata(mdp->m2m_vdev, mdp);
+
+	mdp->m2m_dev = v4l2_m2m_init(&mdp_m2m_ops);
+	if (IS_ERR(mdp->m2m_dev)) {
+		dev_err(dev, "Failed to initialize v4l2-m2m device\n");
+		ret = PTR_ERR(mdp->m2m_dev);
+		goto err_m2m_init;
+	}
+
+	ret = video_register_device(mdp->m2m_vdev, VFL_TYPE_VIDEO, -1);
+	if (ret) {
+		dev_err(dev, "Failed to register video device\n");
+		goto err_video_register;
+	}
+
+	v4l2_info(&mdp->v4l2_dev, "Driver registered as /dev/video%d",
+		  mdp->m2m_vdev->num);
+	return 0;
+
+err_video_register:
+	v4l2_m2m_release(mdp->m2m_dev);
+err_m2m_init:
+	video_device_release(mdp->m2m_vdev);
+err_video_alloc:
+
+	return ret;
+}
+
+void mdp_m2m_device_unregister(struct mdp_dev *mdp)
+{
+	video_unregister_device(mdp->m2m_vdev);
+}
+
+void mdp_m2m_job_finish(struct mdp_m2m_ctx *ctx)
+{
+	enum vb2_buffer_state vb_state = VB2_BUF_STATE_DONE;
+
+	mdp_m2m_process_done(ctx, vb_state);
+}

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-m2m.h

@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_M2M_H__
+#define __MTK_MDP3_M2M_H__
+
+#include <media/v4l2-ctrls.h>
+#include "mtk-mdp3-core.h"
+#include "mtk-mdp3-vpu.h"
+#include "mtk-mdp3-regs.h"
+
+#define MDP_MAX_CTRLS	10
+
+enum {
+	MDP_M2M_SRC = 0,
+	MDP_M2M_DST = 1,
+	MDP_M2M_MAX,
+};
+
+struct mdp_m2m_ctrls {
+	struct v4l2_ctrl	*hflip;
+	struct v4l2_ctrl	*vflip;
+	struct v4l2_ctrl	*rotate;
+};
+
+struct mdp_m2m_ctx {
+	u32				id;
+	struct mdp_dev			*mdp_dev;
+	struct v4l2_fh			fh;
+	struct v4l2_ctrl_handler	ctrl_handler;
+	struct mdp_m2m_ctrls		ctrls;
+	struct v4l2_m2m_ctx		*m2m_ctx;
+	u32				frame_count[MDP_M2M_MAX];
+
+	struct mdp_frameparam		curr_param;
+	/* synchronization protect for mdp m2m context */
+	struct mutex			ctx_lock;
+};
+
+int mdp_m2m_device_register(struct mdp_dev *mdp);
+void mdp_m2m_device_unregister(struct mdp_dev *mdp);
+void mdp_m2m_job_finish(struct mdp_m2m_ctx *ctx);
+
+#endif  /* __MTK_MDP3_M2M_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-regs.c

@@ -0,0 +1,514 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#include <linux/math64.h>
+#include <media/v4l2-common.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include "mtk-mdp3-core.h"
+#include "mtk-mdp3-regs.h"
+#include "mtk-mdp3-m2m.h"
+
+static const struct mdp_format *mdp_find_fmt(const struct mtk_mdp_driver_data *mdp_data,
+					     u32 pixelformat, u32 type)
+{
+	u32 i, flag;
+
+	flag = V4L2_TYPE_IS_OUTPUT(type) ? MDP_FMT_FLAG_OUTPUT :
+					MDP_FMT_FLAG_CAPTURE;
+	for (i = 0; i < mdp_data->format_len; ++i) {
+		if (!(mdp_data->format[i].flags & flag))
+			continue;
+		if (mdp_data->format[i].pixelformat == pixelformat)
+			return &mdp_data->format[i];
+	}
+	return NULL;
+}
+
+static const struct mdp_format *mdp_find_fmt_by_index(const struct mtk_mdp_driver_data *mdp_data,
+						      u32 index, u32 type)
+{
+	u32 i, flag, num = 0;
+
+	flag = V4L2_TYPE_IS_OUTPUT(type) ? MDP_FMT_FLAG_OUTPUT :
+					MDP_FMT_FLAG_CAPTURE;
+	for (i = 0; i < mdp_data->format_len; ++i) {
+		if (!(mdp_data->format[i].flags & flag))
+			continue;
+		if (index == num)
+			return &mdp_data->format[i];
+		num++;
+	}
+	return NULL;
+}
+
+enum mdp_ycbcr_profile mdp_map_ycbcr_prof_mplane(struct v4l2_format *f,
+						 u32 mdp_color)
+{
+	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+
+	if (MDP_COLOR_IS_RGB(mdp_color))
+		return MDP_YCBCR_PROFILE_FULL_BT601;
+
+	switch (pix_mp->colorspace) {
+	case V4L2_COLORSPACE_JPEG:
+		return MDP_YCBCR_PROFILE_JPEG;
+	case V4L2_COLORSPACE_REC709:
+	case V4L2_COLORSPACE_DCI_P3:
+		if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
+			return MDP_YCBCR_PROFILE_FULL_BT709;
+		return MDP_YCBCR_PROFILE_BT709;
+	case V4L2_COLORSPACE_BT2020:
+		if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
+			return MDP_YCBCR_PROFILE_FULL_BT2020;
+		return MDP_YCBCR_PROFILE_BT2020;
+	default:
+		if (pix_mp->quantization == V4L2_QUANTIZATION_FULL_RANGE)
+			return MDP_YCBCR_PROFILE_FULL_BT601;
+		return MDP_YCBCR_PROFILE_BT601;
+	}
+}
+
+static void mdp_bound_align_image(u32 *w, u32 *h,
+				  struct v4l2_frmsize_stepwise *s,
+				  unsigned int salign)
+{
+	unsigned int org_w, org_h;
+
+	org_w = *w;
+	org_h = *h;
+	v4l_bound_align_image(w, s->min_width, s->max_width, s->step_width,
+			      h, s->min_height, s->max_height, s->step_height,
+			      salign);
+
+	s->min_width = org_w;
+	s->min_height = org_h;
+	v4l2_apply_frmsize_constraints(w, h, s);
+}
+
+static int mdp_clamp_align(s32 *x, int min, int max, unsigned int align)
+{
+	unsigned int mask;
+
+	if (min < 0 || max < 0)
+		return -ERANGE;
+
+	/* Bits that must be zero to be aligned */
+	mask = ~((1 << align) - 1);
+
+	min = 0 ? 0 : ((min + ~mask) & mask);
+	max = max & mask;
+	if ((unsigned int)min > (unsigned int)max)
+		return -ERANGE;
+
+	/* Clamp to aligned min and max */
+	*x = clamp(*x, min, max);
+
+	/* Round to nearest aligned value */
+	if (align)
+		*x = (*x + (1 << (align - 1))) & mask;
+	return 0;
+}
+
+int mdp_enum_fmt_mplane(struct mdp_dev *mdp, struct v4l2_fmtdesc *f)
+{
+	const struct mdp_format *fmt;
+
+	fmt = mdp_find_fmt_by_index(mdp->mdp_data, f->index, f->type);
+	if (!fmt)
+		return -EINVAL;
+
+	f->pixelformat = fmt->pixelformat;
+	return 0;
+}
+
+const struct mdp_format *mdp_try_fmt_mplane(struct mdp_dev *mdp,
+					    struct v4l2_format *f,
+					    struct mdp_frameparam *param,
+					    u32 ctx_id)
+{
+	struct device *dev = &param->ctx->mdp_dev->pdev->dev;
+	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+	const struct mdp_format *fmt;
+	const struct mdp_pix_limit *pix_limit;
+	struct v4l2_frmsize_stepwise s;
+	u32 org_w, org_h;
+	unsigned int i;
+
+	fmt = mdp_find_fmt(mdp->mdp_data, pix_mp->pixelformat, f->type);
+	if (!fmt) {
+		fmt = mdp_find_fmt_by_index(mdp->mdp_data, 0, f->type);
+		if (!fmt) {
+			dev_dbg(dev, "%d: pixelformat %c%c%c%c invalid", ctx_id,
+				(pix_mp->pixelformat & 0xff),
+				(pix_mp->pixelformat >>  8) & 0xff,
+				(pix_mp->pixelformat >> 16) & 0xff,
+				(pix_mp->pixelformat >> 24) & 0xff);
+			return NULL;
+		}
+	}
+
+	pix_mp->field = V4L2_FIELD_NONE;
+	pix_mp->flags = 0;
+	pix_mp->pixelformat = fmt->pixelformat;
+	if (V4L2_TYPE_IS_CAPTURE(f->type)) {
+		pix_mp->colorspace = param->colorspace;
+		pix_mp->xfer_func = param->xfer_func;
+		pix_mp->ycbcr_enc = param->ycbcr_enc;
+		pix_mp->quantization = param->quant;
+	}
+
+	pix_limit = V4L2_TYPE_IS_OUTPUT(f->type) ? &param->limit->out_limit :
+						&param->limit->cap_limit;
+	s.min_width = pix_limit->wmin;
+	s.max_width = pix_limit->wmax;
+	s.step_width = fmt->walign;
+	s.min_height = pix_limit->hmin;
+	s.max_height = pix_limit->hmax;
+	s.step_height = fmt->halign;
+	org_w = pix_mp->width;
+	org_h = pix_mp->height;
+
+	mdp_bound_align_image(&pix_mp->width, &pix_mp->height, &s, fmt->salign);
+	if (org_w != pix_mp->width || org_h != pix_mp->height)
+		dev_dbg(dev, "%d: size change: %ux%u to %ux%u", ctx_id,
+			org_w, org_h, pix_mp->width, pix_mp->height);
+
+	if (pix_mp->num_planes && pix_mp->num_planes != fmt->num_planes)
+		dev_dbg(dev, "%d num of planes change: %u to %u", ctx_id,
+			pix_mp->num_planes, fmt->num_planes);
+	pix_mp->num_planes = fmt->num_planes;
+
+	for (i = 0; i < pix_mp->num_planes; ++i) {
+		u32 min_bpl = (pix_mp->width * fmt->row_depth[i]) >> 3;
+		u32 max_bpl = (pix_limit->wmax * fmt->row_depth[i]) >> 3;
+		u32 bpl = pix_mp->plane_fmt[i].bytesperline;
+		u32 min_si, max_si;
+		u32 si = pix_mp->plane_fmt[i].sizeimage;
+		u64 di;
+
+		bpl = clamp(bpl, min_bpl, max_bpl);
+		pix_mp->plane_fmt[i].bytesperline = bpl;
+
+		di = (u64)bpl * pix_mp->height * fmt->depth[i];
+		min_si = (u32)div_u64(di, fmt->row_depth[i]);
+		di = (u64)bpl * s.max_height * fmt->depth[i];
+		max_si = (u32)div_u64(di, fmt->row_depth[i]);
+
+		si = clamp(si, min_si, max_si);
+		pix_mp->plane_fmt[i].sizeimage = si;
+
+		dev_dbg(dev, "%d: p%u, bpl:%u [%u, %u], sizeimage:%u [%u, %u]",
+			ctx_id, i, bpl, min_bpl, max_bpl, si, min_si, max_si);
+	}
+
+	return fmt;
+}
+
+static int mdp_clamp_start(s32 *x, int min, int max, unsigned int align,
+			   u32 flags)
+{
+	if (flags & V4L2_SEL_FLAG_GE)
+		max = *x;
+	if (flags & V4L2_SEL_FLAG_LE)
+		min = *x;
+	return mdp_clamp_align(x, min, max, align);
+}
+
+static int mdp_clamp_end(s32 *x, int min, int max, unsigned int align,
+			 u32 flags)
+{
+	if (flags & V4L2_SEL_FLAG_GE)
+		min = *x;
+	if (flags & V4L2_SEL_FLAG_LE)
+		max = *x;
+	return mdp_clamp_align(x, min, max, align);
+}
+
+int mdp_try_crop(struct mdp_m2m_ctx *ctx, struct v4l2_rect *r,
+		 const struct v4l2_selection *s, struct mdp_frame *frame)
+{
+	struct device *dev = &ctx->mdp_dev->pdev->dev;
+	s32 left, top, right, bottom;
+	u32 framew, frameh, walign, halign;
+	int ret;
+
+	dev_dbg(dev, "%d target:%d, set:(%d,%d)/%ux%u", ctx->id,
+		s->target, s->r.left, s->r.top, s->r.width, s->r.height);
+
+	left = s->r.left;
+	top = s->r.top;
+	right = s->r.left + s->r.width;
+	bottom = s->r.top + s->r.height;
+	framew = frame->format.fmt.pix_mp.width;
+	frameh = frame->format.fmt.pix_mp.height;
+
+	if (mdp_target_is_crop(s->target)) {
+		walign = 1;
+		halign = 1;
+	} else {
+		walign = frame->mdp_fmt->walign;
+		halign = frame->mdp_fmt->halign;
+	}
+
+	dev_dbg(dev, "%d align:%u,%u, bound:%ux%u", ctx->id,
+		walign, halign, framew, frameh);
+
+	ret = mdp_clamp_start(&left, 0, right, walign, s->flags);
+	if (ret)
+		return ret;
+	ret = mdp_clamp_start(&top, 0, bottom, halign, s->flags);
+	if (ret)
+		return ret;
+	ret = mdp_clamp_end(&right, left, framew, walign, s->flags);
+	if (ret)
+		return ret;
+	ret = mdp_clamp_end(&bottom, top, frameh, halign, s->flags);
+	if (ret)
+		return ret;
+
+	r->left = left;
+	r->top = top;
+	r->width = right - left;
+	r->height = bottom - top;
+
+	dev_dbg(dev, "%d crop:(%d,%d)/%ux%u", ctx->id,
+		r->left, r->top, r->width, r->height);
+	return 0;
+}
+
+int mdp_check_scaling_ratio(const struct v4l2_rect *crop,
+			    const struct v4l2_rect *compose, s32 rotation,
+	const struct mdp_limit *limit)
+{
+	u32 crop_w, crop_h, comp_w, comp_h;
+
+	crop_w = crop->width;
+	crop_h = crop->height;
+	if (90 == rotation || 270 == rotation) {
+		comp_w = compose->height;
+		comp_h = compose->width;
+	} else {
+		comp_w = compose->width;
+		comp_h = compose->height;
+	}
+
+	if ((crop_w / comp_w) > limit->h_scale_down_max ||
+	    (crop_h / comp_h) > limit->v_scale_down_max ||
+	    (comp_w / crop_w) > limit->h_scale_up_max ||
+	    (comp_h / crop_h) > limit->v_scale_up_max)
+		return -ERANGE;
+	return 0;
+}
+
+bool mdp_check_pp_enable(struct mdp_dev *mdp, struct mdp_frame *frame)
+{
+	u32 s, r1, r2;
+
+	if (!mdp || !frame)
+		return false;
+
+	if (!mdp->mdp_data->pp_criteria)
+		return false;
+
+	s = mdp->mdp_data->pp_criteria->width *
+		mdp->mdp_data->pp_criteria->height;
+	r1 = frame->crop.c.width * frame->crop.c.height;
+	r2 = frame->compose.width * frame->compose.height;
+
+	return (r1 >= s || r2 >= s);
+}
+
+/* Stride that is accepted by MDP HW */
+static u32 mdp_fmt_get_stride(const struct mdp_format *fmt,
+			      u32 bytesperline, unsigned int plane)
+{
+	enum mdp_color c = fmt->mdp_color;
+	u32 stride;
+
+	stride = (bytesperline * MDP_COLOR_BITS_PER_PIXEL(c))
+		/ fmt->row_depth[0];
+	if (plane == 0)
+		return stride;
+	if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
+		if (MDP_COLOR_IS_BLOCK_MODE(c))
+			stride = stride / 2;
+		return stride;
+	}
+	return 0;
+}
+
+/* Stride that is accepted by MDP HW of format with contiguous planes */
+static u32 mdp_fmt_get_stride_contig(const struct mdp_format *fmt,
+				     u32 pix_stride, unsigned int plane)
+{
+	enum mdp_color c = fmt->mdp_color;
+	u32 stride = pix_stride;
+
+	if (plane == 0)
+		return stride;
+	if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
+		stride = stride >> MDP_COLOR_GET_H_SUBSAMPLE(c);
+		if (MDP_COLOR_IS_UV_COPLANE(c) && !MDP_COLOR_IS_BLOCK_MODE(c))
+			stride = stride * 2;
+		return stride;
+	}
+	return 0;
+}
+
+/* Plane size that is accepted by MDP HW */
+static u32 mdp_fmt_get_plane_size(const struct mdp_format *fmt,
+				  u32 stride, u32 height, unsigned int plane)
+{
+	enum mdp_color c = fmt->mdp_color;
+	u32 bytesperline;
+
+	bytesperline = (stride * fmt->row_depth[0])
+		/ MDP_COLOR_BITS_PER_PIXEL(c);
+	if (plane == 0)
+		return bytesperline * height;
+	if (plane < MDP_COLOR_GET_PLANE_COUNT(c)) {
+		height = height >> MDP_COLOR_GET_V_SUBSAMPLE(c);
+		if (MDP_COLOR_IS_BLOCK_MODE(c))
+			bytesperline = bytesperline * 2;
+		return bytesperline * height;
+	}
+	return 0;
+}
+
+static void mdp_prepare_buffer(struct img_image_buffer *b,
+			       struct mdp_frame *frame, struct vb2_buffer *vb)
+{
+	struct v4l2_pix_format_mplane *pix_mp = &frame->format.fmt.pix_mp;
+	unsigned int i;
+
+	b->format.colorformat = frame->mdp_fmt->mdp_color;
+	b->format.ycbcr_prof = frame->ycbcr_prof;
+	for (i = 0; i < pix_mp->num_planes; ++i) {
+		u32 stride = mdp_fmt_get_stride(frame->mdp_fmt,
+			pix_mp->plane_fmt[i].bytesperline, i);
+
+		b->format.plane_fmt[i].stride = stride;
+		b->format.plane_fmt[i].size =
+			mdp_fmt_get_plane_size(frame->mdp_fmt, stride,
+					       pix_mp->height, i);
+		b->iova[i] = vb2_dma_contig_plane_dma_addr(vb, i);
+	}
+	for (; i < MDP_COLOR_GET_PLANE_COUNT(b->format.colorformat); ++i) {
+		u32 stride = mdp_fmt_get_stride_contig(frame->mdp_fmt,
+			b->format.plane_fmt[0].stride, i);
+
+		b->format.plane_fmt[i].stride = stride;
+		b->format.plane_fmt[i].size =
+			mdp_fmt_get_plane_size(frame->mdp_fmt, stride,
+					       pix_mp->height, i);
+		b->iova[i] = b->iova[i - 1] + b->format.plane_fmt[i - 1].size;
+	}
+	b->usage = frame->usage;
+}
+
+void mdp_set_src_config(struct img_input *in,
+			struct mdp_frame *frame, struct vb2_buffer *vb)
+{
+	in->buffer.format.width = frame->format.fmt.pix_mp.width;
+	in->buffer.format.height = frame->format.fmt.pix_mp.height;
+	mdp_prepare_buffer(&in->buffer, frame, vb);
+}
+
+static u32 mdp_to_fixed(u32 *r, struct v4l2_fract *f)
+{
+	u32 q;
+
+	if (f->denominator == 0) {
+		*r = 0;
+		return 0;
+	}
+
+	q = f->numerator / f->denominator;
+	*r = div_u64(((u64)f->numerator - q * f->denominator) <<
+		     IMG_SUBPIXEL_SHIFT, f->denominator);
+	return q;
+}
+
+static void mdp_set_src_crop(struct img_crop *c, struct mdp_crop *crop)
+{
+	c->left = crop->c.left
+		+ mdp_to_fixed(&c->left_subpix, &crop->left_subpix);
+	c->top = crop->c.top
+		+ mdp_to_fixed(&c->top_subpix, &crop->top_subpix);
+	c->width = crop->c.width
+		+ mdp_to_fixed(&c->width_subpix, &crop->width_subpix);
+	c->height = crop->c.height
+		+ mdp_to_fixed(&c->height_subpix, &crop->height_subpix);
+}
+
+static void mdp_set_orientation(struct img_output *out,
+				s32 rotation, bool hflip, bool vflip)
+{
+	u8 flip = 0;
+
+	if (hflip)
+		flip ^= 1;
+	if (vflip) {
+		/*
+		 * A vertical flip is equivalent to
+		 * a 180-degree rotation with a horizontal flip
+		 */
+		rotation += 180;
+		flip ^= 1;
+	}
+
+	out->rotation = rotation % 360;
+	if (flip != 0)
+		out->flags |= IMG_CTRL_FLAG_HFLIP;
+	else
+		out->flags &= ~IMG_CTRL_FLAG_HFLIP;
+}
+
+void mdp_set_dst_config(struct img_output *out,
+			struct mdp_frame *frame, struct vb2_buffer *vb)
+{
+	out->buffer.format.width = frame->compose.width;
+	out->buffer.format.height = frame->compose.height;
+	mdp_prepare_buffer(&out->buffer, frame, vb);
+	mdp_set_src_crop(&out->crop, &frame->crop);
+	mdp_set_orientation(out, frame->rotation, frame->hflip, frame->vflip);
+}
+
+int mdp_frameparam_init(struct mdp_dev *mdp, struct mdp_frameparam *param)
+{
+	struct mdp_frame *frame;
+
+	if (!param)
+		return -EINVAL;
+
+	INIT_LIST_HEAD(&param->list);
+	param->limit = mdp->mdp_data->def_limit;
+	param->type = MDP_STREAM_TYPE_BITBLT;
+
+	frame = &param->output;
+	frame->format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	frame->mdp_fmt = mdp_try_fmt_mplane(mdp, &frame->format, param, 0);
+	frame->ycbcr_prof =
+		mdp_map_ycbcr_prof_mplane(&frame->format,
+					  frame->mdp_fmt->mdp_color);
+	frame->usage = MDP_BUFFER_USAGE_HW_READ;
+
+	param->num_captures = 1;
+	frame = &param->captures[0];
+	frame->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	frame->mdp_fmt = mdp_try_fmt_mplane(mdp, &frame->format, param, 0);
+	frame->ycbcr_prof =
+		mdp_map_ycbcr_prof_mplane(&frame->format,
+					  frame->mdp_fmt->mdp_color);
+	frame->usage = MDP_BUFFER_USAGE_MDP;
+	frame->crop.c.width = param->output.format.fmt.pix_mp.width;
+	frame->crop.c.height = param->output.format.fmt.pix_mp.height;
+	frame->compose.width = frame->format.fmt.pix_mp.width;
+	frame->compose.height = frame->format.fmt.pix_mp.height;
+
+	return 0;
+}

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-regs.h

@@ -0,0 +1,378 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_REGS_H__
+#define __MTK_MDP3_REGS_H__
+
+#include <linux/videodev2.h>
+#include <media/videobuf2-core.h>
+#include "mtk-img-ipi.h"
+
+/*
+ * MDP native color code
+ * Plane count: 1, 2, 3
+ * H-subsample: 0, 1, 2
+ * V-subsample: 0, 1
+ * Color group: 0-RGB, 1-YUV, 2-raw
+ */
+#define MDP_COLOR(COMPRESS, PACKED, LOOSE, VIDEO, PLANE, HF, VF, BITS, GROUP, SWAP, ID)\
+	(((COMPRESS) << 29) | ((PACKED) << 27) | ((LOOSE) << 26) | ((VIDEO) << 23) |\
+	 ((PLANE) << 21) | ((HF) << 19) | ((VF) << 18) | ((BITS) << 8) |\
+	 ((GROUP) << 6) | ((SWAP) << 5) | ((ID) << 0))
+
+#define MDP_COLOR_IS_COMPRESS(c)        ((0x20000000 & (c)) >> 29)
+#define MDP_COLOR_IS_10BIT_PACKED(c)	((0x08000000 & (c)) >> 27)
+#define MDP_COLOR_IS_10BIT_LOOSE(c)	(((0x0c000000 & (c)) >> 26) == 1)
+#define MDP_COLOR_IS_10BIT_TILE(c)	(((0x0c000000 & (c)) >> 26) == 3)
+#define MDP_COLOR_IS_UFP(c)		((0x02000000 & (c)) >> 25)
+#define MDP_COLOR_IS_INTERLACED(c)	((0x01000000 & (c)) >> 24)
+#define MDP_COLOR_IS_BLOCK_MODE(c)	((0x00800000 & (c)) >> 23)
+#define MDP_COLOR_GET_PLANE_COUNT(c)	((0x00600000 & (c)) >> 21)
+#define MDP_COLOR_GET_H_SUBSAMPLE(c)	((0x00180000 & (c)) >> 19)
+#define MDP_COLOR_GET_V_SUBSAMPLE(c)	((0x00040000 & (c)) >> 18)
+#define MDP_COLOR_BITS_PER_PIXEL(c)	((0x0003ff00 & (c)) >>  8)
+#define MDP_COLOR_GET_GROUP(c)		((0x000000c0 & (c)) >>  6)
+#define MDP_COLOR_IS_SWAPPED(c)		((0x00000020 & (c)) >>  5)
+#define MDP_COLOR_GET_UNIQUE_ID(c)	((0x0000001f & (c)) >>  0)
+#define MDP_COLOR_GET_HW_FORMAT(c)	((0x0000001f & (c)) >>  0)
+
+#define MDP_COLOR_IS_RGB(c)		(MDP_COLOR_GET_GROUP(c) == 0)
+#define MDP_COLOR_IS_YUV(c)		(MDP_COLOR_GET_GROUP(c) == 1)
+
+enum mdp_color {
+	MDP_COLOR_UNKNOWN	= 0,
+
+	/* MDP_COLOR_FULLG8 */
+	MDP_COLOR_FULLG8_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0,  8, 2,  0, 21),
+	MDP_COLOR_FULLG8_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1,  8, 2,  0, 21),
+	MDP_COLOR_FULLG8_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0,  8, 2,  0, 21),
+	MDP_COLOR_FULLG8_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1,  8, 2,  0, 21),
+	MDP_COLOR_FULLG8	= MDP_COLOR_FULLG8_BGGR,
+
+	/* MDP_COLOR_FULLG10 */
+	MDP_COLOR_FULLG10_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 10, 2,  0, 21),
+	MDP_COLOR_FULLG10_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 10, 2,  0, 21),
+	MDP_COLOR_FULLG10_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 10, 2,  0, 21),
+	MDP_COLOR_FULLG10_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 10, 2,  0, 21),
+	MDP_COLOR_FULLG10	= MDP_COLOR_FULLG10_BGGR,
+
+	/* MDP_COLOR_FULLG12 */
+	MDP_COLOR_FULLG12_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 12, 2,  0, 21),
+	MDP_COLOR_FULLG12_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 12, 2,  0, 21),
+	MDP_COLOR_FULLG12_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 12, 2,  0, 21),
+	MDP_COLOR_FULLG12_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 12, 2,  0, 21),
+	MDP_COLOR_FULLG12	= MDP_COLOR_FULLG12_BGGR,
+
+	/* MDP_COLOR_FULLG14 */
+	MDP_COLOR_FULLG14_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 14, 2,  0, 21),
+	MDP_COLOR_FULLG14_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 14, 2,  0, 21),
+	MDP_COLOR_FULLG14_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 14, 2,  0, 21),
+	MDP_COLOR_FULLG14_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 14, 2,  0, 21),
+	MDP_COLOR_FULLG14	= MDP_COLOR_FULLG14_BGGR,
+
+	MDP_COLOR_UFO10		= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 10, 2,  0, 24),
+
+	/* MDP_COLOR_BAYER8 */
+	MDP_COLOR_BAYER8_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0,  8, 2,  0, 20),
+	MDP_COLOR_BAYER8_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1,  8, 2,  0, 20),
+	MDP_COLOR_BAYER8_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0,  8, 2,  0, 20),
+	MDP_COLOR_BAYER8_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1,  8, 2,  0, 20),
+	MDP_COLOR_BAYER8	= MDP_COLOR_BAYER8_BGGR,
+
+	/* MDP_COLOR_BAYER10 */
+	MDP_COLOR_BAYER10_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 10, 2,  0, 20),
+	MDP_COLOR_BAYER10_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 10, 2,  0, 20),
+	MDP_COLOR_BAYER10_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 10, 2,  0, 20),
+	MDP_COLOR_BAYER10_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 10, 2,  0, 20),
+	MDP_COLOR_BAYER10	= MDP_COLOR_BAYER10_BGGR,
+
+	/* MDP_COLOR_BAYER12 */
+	MDP_COLOR_BAYER12_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 12, 2,  0, 20),
+	MDP_COLOR_BAYER12_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 12, 2,  0, 20),
+	MDP_COLOR_BAYER12_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 12, 2,  0, 20),
+	MDP_COLOR_BAYER12_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 12, 2,  0, 20),
+	MDP_COLOR_BAYER12	= MDP_COLOR_BAYER12_BGGR,
+
+	/* MDP_COLOR_BAYER14 */
+	MDP_COLOR_BAYER14_RGGB	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 14, 2,  0, 20),
+	MDP_COLOR_BAYER14_GRBG	= MDP_COLOR(0, 0, 0, 0, 1, 0, 1, 14, 2,  0, 20),
+	MDP_COLOR_BAYER14_GBRG	= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 14, 2,  0, 20),
+	MDP_COLOR_BAYER14_BGGR	= MDP_COLOR(0, 0, 0, 0, 1, 1, 1, 14, 2,  0, 20),
+	MDP_COLOR_BAYER14	= MDP_COLOR_BAYER14_BGGR,
+
+	MDP_COLOR_RGB48		= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 48, 0,  0, 23),
+	/* For bayer+mono raw-16 */
+	MDP_COLOR_RGB565_RAW	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 16, 2,  0, 0),
+
+	MDP_COLOR_BAYER8_UNPAK	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0,  8, 2,  0, 22),
+	MDP_COLOR_BAYER10_UNPAK	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 10, 2,  0, 22),
+	MDP_COLOR_BAYER12_UNPAK	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 12, 2,  0, 22),
+	MDP_COLOR_BAYER14_UNPAK	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 14, 2,  0, 22),
+
+	/* Unified formats */
+	MDP_COLOR_GREY		= MDP_COLOR(0, 0, 0, 0, 1, 0, 0,  8, 1,  0, 7),
+
+	MDP_COLOR_RGB565	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 16, 0,  0, 0),
+	MDP_COLOR_BGR565	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 16, 0,  1, 0),
+	MDP_COLOR_RGB888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 24, 0,  1, 1),
+	MDP_COLOR_BGR888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 24, 0,  0, 1),
+	MDP_COLOR_RGBA8888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 32, 0,  1, 2),
+	MDP_COLOR_BGRA8888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 32, 0,  0, 2),
+	MDP_COLOR_ARGB8888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 32, 0,  1, 3),
+	MDP_COLOR_ABGR8888	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 32, 0,  0, 3),
+
+	MDP_COLOR_UYVY		= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 16, 1,  0, 4),
+	MDP_COLOR_VYUY		= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 16, 1,  1, 4),
+	MDP_COLOR_YUYV		= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 16, 1,  0, 5),
+	MDP_COLOR_YVYU		= MDP_COLOR(0, 0, 0, 0, 1, 1, 0, 16, 1,  1, 5),
+
+	MDP_COLOR_I420		= MDP_COLOR(0, 0, 0, 0, 3, 1, 1,  8, 1,  0, 8),
+	MDP_COLOR_YV12		= MDP_COLOR(0, 0, 0, 0, 3, 1, 1,  8, 1,  1, 8),
+	MDP_COLOR_I422		= MDP_COLOR(0, 0, 0, 0, 3, 1, 0,  8, 1,  0, 9),
+	MDP_COLOR_YV16		= MDP_COLOR(0, 0, 0, 0, 3, 1, 0,  8, 1,  1, 9),
+	MDP_COLOR_I444		= MDP_COLOR(0, 0, 0, 0, 3, 0, 0,  8, 1,  0, 10),
+	MDP_COLOR_YV24		= MDP_COLOR(0, 0, 0, 0, 3, 0, 0,  8, 1,  1, 10),
+
+	MDP_COLOR_NV12		= MDP_COLOR(0, 0, 0, 0, 2, 1, 1,  8, 1,  0, 12),
+	MDP_COLOR_NV21		= MDP_COLOR(0, 0, 0, 0, 2, 1, 1,  8, 1,  1, 12),
+	MDP_COLOR_NV16		= MDP_COLOR(0, 0, 0, 0, 2, 1, 0,  8, 1,  0, 13),
+	MDP_COLOR_NV61		= MDP_COLOR(0, 0, 0, 0, 2, 1, 0,  8, 1,  1, 13),
+	MDP_COLOR_NV24		= MDP_COLOR(0, 0, 0, 0, 2, 0, 0,  8, 1,  0, 14),
+	MDP_COLOR_NV42		= MDP_COLOR(0, 0, 0, 0, 2, 0, 0,  8, 1,  1, 14),
+
+	/* MediaTek proprietary formats */
+	/* UFO encoded block mode */
+	MDP_COLOR_420_BLK_UFO	= MDP_COLOR(0, 0, 0, 5, 2, 1, 1, 256, 1, 0, 12),
+	/* Block mode */
+	MDP_COLOR_420_BLK	= MDP_COLOR(0, 0, 0, 1, 2, 1, 1, 256, 1, 0, 12),
+	/* Block mode + field mode */
+	MDP_COLOR_420_BLKI	= MDP_COLOR(0, 0, 0, 3, 2, 1, 1, 256, 1, 0, 12),
+	/* Block mode */
+	MDP_COLOR_422_BLK	= MDP_COLOR(0, 0, 0, 1, 1, 1, 0, 512, 1, 0, 4),
+
+	MDP_COLOR_IYU2		= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 24,  1, 0, 25),
+	MDP_COLOR_YUV444	= MDP_COLOR(0, 0, 0, 0, 1, 0, 0, 24,  1, 0, 30),
+
+	/* Packed 10-bit formats */
+	MDP_COLOR_RGBA1010102	= MDP_COLOR(0, 1, 0, 0, 1, 0, 0, 32,  0, 1, 2),
+	MDP_COLOR_BGRA1010102	= MDP_COLOR(0, 1, 0, 0, 1, 0, 0, 32,  0, 0, 2),
+	/* Packed 10-bit UYVY */
+	MDP_COLOR_UYVY_10P	= MDP_COLOR(0, 1, 0, 0, 1, 1, 0, 20,  1, 0, 4),
+	/* Packed 10-bit NV21 */
+	MDP_COLOR_NV21_10P	= MDP_COLOR(0, 1, 0, 0, 2, 1, 1, 10,  1, 1, 12),
+	/* 10-bit block mode */
+	MDP_COLOR_420_BLK_10_H	= MDP_COLOR(0, 1, 0, 1, 2, 1, 1, 320, 1, 0, 12),
+	/* 10-bit HEVC tile mode */
+	MDP_COLOR_420_BLK_10_V	= MDP_COLOR(0, 1, 1, 1, 2, 1, 1, 320, 1, 0, 12),
+	/* UFO encoded 10-bit block mode */
+	MDP_COLOR_420_BLK_U10_H	= MDP_COLOR(0, 1, 0, 5, 2, 1, 1, 320, 1, 0, 12),
+	/* UFO encoded 10-bit HEVC tile mode */
+	MDP_COLOR_420_BLK_U10_V	= MDP_COLOR(0, 1, 1, 5, 2, 1, 1, 320, 1, 0, 12),
+
+	/* Loose 10-bit formats */
+	MDP_COLOR_UYVY_10L	= MDP_COLOR(0, 0, 1, 0, 1, 1, 0, 20,  1, 0, 4),
+	MDP_COLOR_VYUY_10L	= MDP_COLOR(0, 0, 1, 0, 1, 1, 0, 20,  1, 1, 4),
+	MDP_COLOR_YUYV_10L	= MDP_COLOR(0, 0, 1, 0, 1, 1, 0, 20,  1, 0, 5),
+	MDP_COLOR_YVYU_10L	= MDP_COLOR(0, 0, 1, 0, 1, 1, 0, 20,  1, 1, 5),
+	MDP_COLOR_NV12_10L	= MDP_COLOR(0, 0, 1, 0, 2, 1, 1, 10,  1, 0, 12),
+	MDP_COLOR_NV21_10L	= MDP_COLOR(0, 0, 1, 0, 2, 1, 1, 10,  1, 1, 12),
+	MDP_COLOR_NV16_10L	= MDP_COLOR(0, 0, 1, 0, 2, 1, 0, 10,  1, 0, 13),
+	MDP_COLOR_NV61_10L	= MDP_COLOR(0, 0, 1, 0, 2, 1, 0, 10,  1, 1, 13),
+	MDP_COLOR_YV12_10L	= MDP_COLOR(0, 0, 1, 0, 3, 1, 1, 10,  1, 1, 8),
+	MDP_COLOR_I420_10L	= MDP_COLOR(0, 0, 1, 0, 3, 1, 1, 10,  1, 0, 8),
+};
+
+static inline bool MDP_COLOR_IS_UV_COPLANE(enum mdp_color c)
+{
+	return (MDP_COLOR_GET_PLANE_COUNT(c) == 2 && MDP_COLOR_IS_YUV(c));
+}
+
+/* Minimum Y stride that is accepted by MDP HW */
+static inline u32 mdp_color_get_min_y_stride(enum mdp_color c, u32 width)
+{
+	return ((MDP_COLOR_BITS_PER_PIXEL(c) * width) + 4) >> 3;
+}
+
+/* Minimum UV stride that is accepted by MDP HW */
+static inline u32 mdp_color_get_min_uv_stride(enum mdp_color c, u32 width)
+{
+	u32 min_stride;
+
+	if (MDP_COLOR_GET_PLANE_COUNT(c) == 1)
+		return 0;
+	min_stride = mdp_color_get_min_y_stride(c, width)
+		>> MDP_COLOR_GET_H_SUBSAMPLE(c);
+	if (MDP_COLOR_IS_UV_COPLANE(c) && !MDP_COLOR_IS_BLOCK_MODE(c))
+		min_stride = min_stride * 2;
+	return min_stride;
+}
+
+/* Minimum Y plane size that is necessary in buffer */
+static inline u32 mdp_color_get_min_y_size(enum mdp_color c,
+					   u32 width, u32 height)
+{
+	if (MDP_COLOR_IS_BLOCK_MODE(c))
+		return ((MDP_COLOR_BITS_PER_PIXEL(c) * width) >> 8) * height;
+	return mdp_color_get_min_y_stride(c, width) * height;
+}
+
+/* Minimum UV plane size that is necessary in buffer */
+static inline u32 mdp_color_get_min_uv_size(enum mdp_color c,
+					    u32 width, u32 height)
+{
+	height = height >> MDP_COLOR_GET_V_SUBSAMPLE(c);
+	if (MDP_COLOR_IS_BLOCK_MODE(c) && (MDP_COLOR_GET_PLANE_COUNT(c) > 1))
+		return ((MDP_COLOR_BITS_PER_PIXEL(c) * width) >> 8) * height;
+	return mdp_color_get_min_uv_stride(c, width) * height;
+}
+
+/* Combine colorspace, xfer_func, ycbcr_encoding, and quantization */
+enum mdp_ycbcr_profile {
+	/* V4L2_YCBCR_ENC_601 and V4L2_QUANTIZATION_LIM_RANGE */
+	MDP_YCBCR_PROFILE_BT601,
+	/* V4L2_YCBCR_ENC_709 and V4L2_QUANTIZATION_LIM_RANGE */
+	MDP_YCBCR_PROFILE_BT709,
+	/* V4L2_YCBCR_ENC_601 and V4L2_QUANTIZATION_FULL_RANGE */
+	MDP_YCBCR_PROFILE_JPEG,
+	MDP_YCBCR_PROFILE_FULL_BT601 = MDP_YCBCR_PROFILE_JPEG,
+
+	/* Colorspaces not support for capture */
+	/* V4L2_YCBCR_ENC_BT2020 and V4L2_QUANTIZATION_LIM_RANGE */
+	MDP_YCBCR_PROFILE_BT2020,
+	/* V4L2_YCBCR_ENC_709 and V4L2_QUANTIZATION_FULL_RANGE */
+	MDP_YCBCR_PROFILE_FULL_BT709,
+	/* V4L2_YCBCR_ENC_BT2020 and V4L2_QUANTIZATION_FULL_RANGE */
+	MDP_YCBCR_PROFILE_FULL_BT2020,
+};
+
+#define MDP_FMT_FLAG_OUTPUT	BIT(0)
+#define MDP_FMT_FLAG_CAPTURE	BIT(1)
+
+struct mdp_format {
+	u32	pixelformat;
+	u32	mdp_color;
+	u8	depth[VIDEO_MAX_PLANES];
+	u8	row_depth[VIDEO_MAX_PLANES];
+	u8	num_planes;
+	u8	walign;
+	u8	halign;
+	u8	salign;
+	u32	flags;
+};
+
+struct mdp_pix_limit {
+	u32	wmin;
+	u32	hmin;
+	u32	wmax;
+	u32	hmax;
+};
+
+struct mdp_limit {
+	struct mdp_pix_limit	out_limit;
+	struct mdp_pix_limit	cap_limit;
+	u32			h_scale_up_max;
+	u32			v_scale_up_max;
+	u32			h_scale_down_max;
+	u32			v_scale_down_max;
+};
+
+enum mdp_stream_type {
+	MDP_STREAM_TYPE_UNKNOWN,
+	MDP_STREAM_TYPE_BITBLT,
+	MDP_STREAM_TYPE_GPU_BITBLT,
+	MDP_STREAM_TYPE_DUAL_BITBLT,
+	MDP_STREAM_TYPE_2ND_BITBLT,
+	MDP_STREAM_TYPE_ISP_IC,
+	MDP_STREAM_TYPE_ISP_VR,
+	MDP_STREAM_TYPE_ISP_ZSD,
+	MDP_STREAM_TYPE_ISP_IP,
+	MDP_STREAM_TYPE_ISP_VSS,
+	MDP_STREAM_TYPE_ISP_ZSD_SLOW,
+	MDP_STREAM_TYPE_WPE,
+	MDP_STREAM_TYPE_WPE2,
+};
+
+struct mdp_crop {
+	struct v4l2_rect	c;
+	struct v4l2_fract	left_subpix;
+	struct v4l2_fract	top_subpix;
+	struct v4l2_fract	width_subpix;
+	struct v4l2_fract	height_subpix;
+};
+
+struct mdp_frame {
+	struct v4l2_format	format;
+	const struct mdp_format	*mdp_fmt;
+	u32			ycbcr_prof;	/* enum mdp_ycbcr_profile */
+	u32			usage;		/* enum mdp_buffer_usage */
+	struct mdp_crop		crop;
+	struct v4l2_rect	compose;
+	s32			rotation;
+	u32			hflip:1;
+	u32			vflip:1;
+	u32			hdr:1;
+	u32			dre:1;
+	u32			sharpness:1;
+	u32			dither:1;
+};
+
+static inline bool mdp_target_is_crop(u32 target)
+{
+	return (target == V4L2_SEL_TGT_CROP) ||
+		(target == V4L2_SEL_TGT_CROP_DEFAULT) ||
+		(target == V4L2_SEL_TGT_CROP_BOUNDS);
+}
+
+static inline bool mdp_target_is_compose(u32 target)
+{
+	return (target == V4L2_SEL_TGT_COMPOSE) ||
+		(target == V4L2_SEL_TGT_COMPOSE_DEFAULT) ||
+		(target == V4L2_SEL_TGT_COMPOSE_BOUNDS);
+}
+
+#define MDP_MAX_CAPTURES	IMG_MAX_HW_OUTPUTS
+
+#define MDP_VPU_INIT		BIT(0)
+#define MDP_M2M_CTX_ERROR	BIT(1)
+
+struct mdp_frameparam {
+	struct list_head	list;
+	struct mdp_m2m_ctx	*ctx;
+	atomic_t		state;
+	const struct mdp_limit	*limit;
+	u32			type;	/* enum mdp_stream_type */
+	u32			frame_no;
+	struct mdp_frame	output;
+	struct mdp_frame	captures[MDP_MAX_CAPTURES];
+	u32			num_captures;
+	enum v4l2_colorspace		colorspace;
+	enum v4l2_ycbcr_encoding	ycbcr_enc;
+	enum v4l2_xfer_func		xfer_func;
+	enum v4l2_quantization		quant;
+};
+
+struct mdp_dev;
+
+int mdp_enum_fmt_mplane(struct mdp_dev *mdp, struct v4l2_fmtdesc *f);
+const struct mdp_format *mdp_try_fmt_mplane(struct mdp_dev *mdp,
+					    struct v4l2_format *f,
+					    struct mdp_frameparam *param,
+					    u32 ctx_id);
+enum mdp_ycbcr_profile mdp_map_ycbcr_prof_mplane(struct v4l2_format *f,
+						 u32 mdp_color);
+int mdp_try_crop(struct mdp_m2m_ctx *ctx, struct v4l2_rect *r,
+		 const struct v4l2_selection *s, struct mdp_frame *frame);
+int mdp_check_scaling_ratio(const struct v4l2_rect *crop,
+			    const struct v4l2_rect *compose, s32 rotation,
+	const struct mdp_limit *limit);
+bool mdp_check_pp_enable(struct mdp_dev *mdp, struct mdp_frame *frame);
+void mdp_set_src_config(struct img_input *in,
+			struct mdp_frame *frame, struct vb2_buffer *vb);
+void mdp_set_dst_config(struct img_output *out,
+			struct mdp_frame *frame, struct vb2_buffer *vb);
+int mdp_frameparam_init(struct mdp_dev *mdp, struct mdp_frameparam *param);
+
+#endif  /* __MTK_MDP3_REGS_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-type.h

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_TYPE_H__
+#define __MTK_MDP3_TYPE_H__
+
+#include <linux/types.h>
+
+#define IMG_MAX_HW_INPUTS	3
+#define IMG_MAX_HW_OUTPUTS	4
+#define IMG_MAX_PLANES		3
+#define IMG_MAX_COMPONENTS	20
+
+struct img_crop {
+	s32 left;
+	s32 top;
+	u32 width;
+	u32 height;
+	u32 left_subpix;
+	u32 top_subpix;
+	u32 width_subpix;
+	u32 height_subpix;
+} __packed;
+
+struct img_region {
+	s32 left;
+	s32 right;
+	s32 top;
+	s32 bottom;
+} __packed;
+
+struct img_offset {
+	s32 left;
+	s32 top;
+	u32 left_subpix;
+	u32 top_subpix;
+} __packed;
+
+struct img_mux {
+	u32 reg;
+	u32 value;
+	u32 subsys_id;
+} __packed;
+
+struct img_mmsys_ctrl {
+	struct img_mux sets[IMG_MAX_COMPONENTS * 2];
+	u32 num_sets;
+} __packed;
+
+#endif  /* __MTK_MDP3_TYPE_H__ */

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c

@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#include <linux/remoteproc.h>
+#include <linux/remoteproc/mtk_scp.h>
+#include "mtk-mdp3-vpu.h"
+#include "mtk-mdp3-core.h"
+
+#define MDP_VPU_MESSAGE_TIMEOUT 500U
+
+static inline struct mdp_dev *vpu_to_mdp(struct mdp_vpu_dev *vpu)
+{
+	return container_of(vpu, struct mdp_dev, vpu);
+}
+
+static int mdp_vpu_shared_mem_alloc(struct mdp_vpu_dev *vpu)
+{
+	struct device *dev;
+
+	if (IS_ERR_OR_NULL(vpu))
+		goto err_return;
+
+	dev = scp_get_device(vpu->scp);
+
+	if (!vpu->param) {
+		vpu->param = dma_alloc_wc(dev, vpu->param_size,
+					  &vpu->param_addr, GFP_KERNEL);
+		if (!vpu->param)
+			goto err_return;
+	}
+
+	if (!vpu->work) {
+		vpu->work = dma_alloc_wc(dev, vpu->work_size,
+					 &vpu->work_addr, GFP_KERNEL);
+		if (!vpu->work)
+			goto err_free_param;
+	}
+
+	if (!vpu->config) {
+		vpu->config = dma_alloc_wc(dev, vpu->config_size,
+					   &vpu->config_addr, GFP_KERNEL);
+		if (!vpu->config)
+			goto err_free_work;
+	}
+
+	return 0;
+
+err_free_work:
+	dma_free_wc(dev, vpu->work_size, vpu->work, vpu->work_addr);
+	vpu->work = NULL;
+err_free_param:
+	dma_free_wc(dev, vpu->param_size, vpu->param, vpu->param_addr);
+	vpu->param = NULL;
+err_return:
+	return -ENOMEM;
+}
+
+void mdp_vpu_shared_mem_free(struct mdp_vpu_dev *vpu)
+{
+	struct device *dev;
+
+	if (IS_ERR_OR_NULL(vpu))
+		return;
+
+	dev = scp_get_device(vpu->scp);
+
+	if (vpu->param && vpu->param_addr)
+		dma_free_wc(dev, vpu->param_size, vpu->param, vpu->param_addr);
+
+	if (vpu->work && vpu->work_addr)
+		dma_free_wc(dev, vpu->work_size, vpu->work, vpu->work_addr);
+
+	if (vpu->config && vpu->config_addr)
+		dma_free_wc(dev, vpu->config_size, vpu->config, vpu->config_addr);
+}
+
+static void mdp_vpu_ipi_handle_init_ack(void *data, unsigned int len,
+					void *priv)
+{
+	struct mdp_ipi_init_msg *msg = (struct mdp_ipi_init_msg *)data;
+	struct mdp_vpu_dev *vpu =
+		(struct mdp_vpu_dev *)(unsigned long)msg->drv_data;
+
+	if (!vpu->work_size)
+		vpu->work_size = msg->work_size;
+
+	vpu->status = msg->status;
+	complete(&vpu->ipi_acked);
+}
+
+static void mdp_vpu_ipi_handle_deinit_ack(void *data, unsigned int len,
+					  void *priv)
+{
+	struct mdp_ipi_deinit_msg *msg = (struct mdp_ipi_deinit_msg *)data;
+	struct mdp_vpu_dev *vpu =
+		(struct mdp_vpu_dev *)(unsigned long)msg->drv_data;
+
+	vpu->status = msg->status;
+	complete(&vpu->ipi_acked);
+}
+
+static void mdp_vpu_ipi_handle_frame_ack(void *data, unsigned int len,
+					 void *priv)
+{
+	struct img_sw_addr *addr = (struct img_sw_addr *)data;
+	struct img_ipi_frameparam *param =
+		(struct img_ipi_frameparam *)(unsigned long)addr->va;
+	struct mdp_vpu_dev *vpu =
+		(struct mdp_vpu_dev *)(unsigned long)param->drv_data;
+
+	if (param->state) {
+		struct mdp_dev *mdp = vpu_to_mdp(vpu);
+
+		dev_err(&mdp->pdev->dev, "VPU MDP failure:%d\n", param->state);
+	}
+	vpu->status = param->state;
+	complete(&vpu->ipi_acked);
+}
+
+int mdp_vpu_register(struct mdp_dev *mdp)
+{
+	int err;
+	struct mtk_scp *scp = mdp->scp;
+	struct device *dev = &mdp->pdev->dev;
+
+	err = scp_ipi_register(scp, SCP_IPI_MDP_INIT,
+			       mdp_vpu_ipi_handle_init_ack, NULL);
+	if (err) {
+		dev_err(dev, "scp_ipi_register failed %d\n", err);
+		goto err_ipi_init;
+	}
+	err = scp_ipi_register(scp, SCP_IPI_MDP_DEINIT,
+			       mdp_vpu_ipi_handle_deinit_ack, NULL);
+	if (err) {
+		dev_err(dev, "scp_ipi_register failed %d\n", err);
+		goto err_ipi_deinit;
+	}
+	err = scp_ipi_register(scp, SCP_IPI_MDP_FRAME,
+			       mdp_vpu_ipi_handle_frame_ack, NULL);
+	if (err) {
+		dev_err(dev, "scp_ipi_register failed %d\n", err);
+		goto err_ipi_frame;
+	}
+	return 0;
+
+err_ipi_frame:
+	scp_ipi_unregister(scp, SCP_IPI_MDP_DEINIT);
+err_ipi_deinit:
+	scp_ipi_unregister(scp, SCP_IPI_MDP_INIT);
+err_ipi_init:
+
+	return err;
+}
+
+void mdp_vpu_unregister(struct mdp_dev *mdp)
+{
+	scp_ipi_unregister(mdp->scp, SCP_IPI_MDP_INIT);
+	scp_ipi_unregister(mdp->scp, SCP_IPI_MDP_DEINIT);
+	scp_ipi_unregister(mdp->scp, SCP_IPI_MDP_FRAME);
+}
+
+static int mdp_vpu_sendmsg(struct mdp_vpu_dev *vpu, enum scp_ipi_id id,
+			   const void *buf, unsigned int len)
+{
+	struct mdp_dev *mdp = vpu_to_mdp(vpu);
+	unsigned int t = MDP_VPU_MESSAGE_TIMEOUT;
+	int ret;
+
+	if (!vpu->scp) {
+		dev_dbg(&mdp->pdev->dev, "vpu scp is NULL");
+		return -EINVAL;
+	}
+	ret = scp_ipi_send(vpu->scp, id, buf, len, 2000);
+
+	if (ret) {
+		dev_err(&mdp->pdev->dev, "scp_ipi_send failed %d\n", ret);
+		return -EPERM;
+	}
+	ret = wait_for_completion_timeout(&vpu->ipi_acked,
+					  msecs_to_jiffies(t));
+	if (!ret)
+		ret = -ETIME;
+	else if (vpu->status)
+		ret = -EINVAL;
+	else
+		ret = 0;
+	return ret;
+}
+
+int mdp_vpu_dev_init(struct mdp_vpu_dev *vpu, struct mtk_scp *scp,
+		     struct mutex *lock)
+{
+	struct mdp_ipi_init_msg msg = {
+		.drv_data = (unsigned long)vpu,
+	};
+	struct mdp_dev *mdp = vpu_to_mdp(vpu);
+	int err;
+	u8 pp_num = mdp->mdp_data->pp_used;
+
+	init_completion(&vpu->ipi_acked);
+	vpu->scp = scp;
+	vpu->lock = lock;
+	vpu->work_size = 0;
+	err = mdp_vpu_sendmsg(vpu, SCP_IPI_MDP_INIT, &msg, sizeof(msg));
+	if (err)
+		goto err_work_size;
+	/* vpu work_size was set in mdp_vpu_ipi_handle_init_ack */
+
+	mutex_lock(vpu->lock);
+	vpu->work_size = ALIGN(vpu->work_size, 64);
+	vpu->param_size = ALIGN(sizeof(struct img_ipi_frameparam), 64);
+	vpu->config_size = ALIGN(sizeof(struct img_config) * pp_num, 64);
+	err = mdp_vpu_shared_mem_alloc(vpu);
+	mutex_unlock(vpu->lock);
+	if (err) {
+		dev_err(&mdp->pdev->dev, "VPU memory alloc fail!");
+		goto err_mem_alloc;
+	}
+
+	dev_dbg(&mdp->pdev->dev,
+		"VPU param:%p pa:%pad sz:%zx, work:%p pa:%pad sz:%zx, config:%p pa:%pad sz:%zx",
+		vpu->param, &vpu->param_addr, vpu->param_size,
+		vpu->work, &vpu->work_addr, vpu->work_size,
+		vpu->config, &vpu->config_addr, vpu->config_size);
+
+	msg.work_addr = vpu->work_addr;
+	msg.work_size = vpu->work_size;
+	err = mdp_vpu_sendmsg(vpu, SCP_IPI_MDP_INIT, &msg, sizeof(msg));
+	if (err)
+		goto err_work_size;
+
+	return 0;
+
+err_work_size:
+	switch (vpu->status) {
+	case -MDP_IPI_EBUSY:
+		err = -EBUSY;
+		break;
+	case -MDP_IPI_ENOMEM:
+		err = -ENOSPC;	/* -ENOMEM */
+		break;
+	}
+	return err;
+err_mem_alloc:
+	return err;
+}
+
+int mdp_vpu_dev_deinit(struct mdp_vpu_dev *vpu)
+{
+	struct mdp_ipi_deinit_msg msg = {
+		.drv_data = (unsigned long)vpu,
+		.work_addr = vpu->work_addr,
+	};
+
+	return mdp_vpu_sendmsg(vpu, SCP_IPI_MDP_DEINIT, &msg, sizeof(msg));
+}
+
+int mdp_vpu_process(struct mdp_vpu_dev *vpu, struct img_ipi_frameparam *param)
+{
+	struct mdp_dev *mdp = vpu_to_mdp(vpu);
+	struct img_sw_addr addr;
+
+	mutex_lock(vpu->lock);
+	if (mdp_vpu_shared_mem_alloc(vpu)) {
+		dev_err(&mdp->pdev->dev, "VPU memory alloc fail!");
+		mutex_unlock(vpu->lock);
+		return -ENOMEM;
+	}
+
+	memset(vpu->param, 0, vpu->param_size);
+	memset(vpu->work, 0, vpu->work_size);
+	memset(vpu->config, 0, vpu->config_size);
+
+	param->self_data.va = (unsigned long)vpu->work;
+	param->self_data.pa = vpu->work_addr;
+	param->config_data.va = (unsigned long)vpu->config;
+	param->config_data.pa = vpu->config_addr;
+	param->drv_data = (unsigned long)vpu;
+	memcpy(vpu->param, param, sizeof(*param));
+
+	addr.pa = vpu->param_addr;
+	addr.va = (unsigned long)vpu->param;
+	mutex_unlock(vpu->lock);
+	return mdp_vpu_sendmsg(vpu, SCP_IPI_MDP_FRAME, &addr, sizeof(addr));
+}

linux-7.2.3/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.h

@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+ */
+
+#ifndef __MTK_MDP3_VPU_H__
+#define __MTK_MDP3_VPU_H__
+
+#include <linux/platform_device.h>
+#include "mtk-img-ipi.h"
+
+enum mdp_ipi_result {
+	MDP_IPI_SUCCESS	= 0,
+	MDP_IPI_ENOMEM	= 12,
+	MDP_IPI_EBUSY	= 16,
+	MDP_IPI_EINVAL	= 22,
+	MDP_IPI_EMINST	= 24,
+	MDP_IPI_ERANGE	= 34,
+	MDP_IPI_NR_ERRNO,
+
+	MDP_IPI_EOTHER	= MDP_IPI_NR_ERRNO,
+	MDP_IPI_PATH_CANT_MERGE,
+	MDP_IPI_OP_FAIL,
+};
+
+struct mdp_ipi_init_msg {
+	u32	status;
+	u64	drv_data;
+	u32	work_addr;	/* [in] working buffer address */
+	u32	work_size;	/* [in] working buffer size */
+} __packed;
+
+struct mdp_ipi_deinit_msg {
+	u32	status;
+	u64	drv_data;
+	u32	work_addr;
+} __packed;
+
+struct mdp_vpu_dev {
+	/* synchronization protect for accessing vpu working buffer info */
+	struct mutex		*lock;
+	struct mtk_scp		*scp;
+	struct completion	ipi_acked;
+	void			*param;
+	dma_addr_t		param_addr;
+	size_t			param_size;
+	void			*work;
+	dma_addr_t		work_addr;
+	size_t			work_size;
+	void			*config;
+	dma_addr_t		config_addr;
+	size_t			config_size;
+	u32			status;
+};
+
+void mdp_vpu_shared_mem_free(struct mdp_vpu_dev *vpu);
+int mdp_vpu_dev_init(struct mdp_vpu_dev *vpu, struct mtk_scp *scp,
+		     struct mutex *lock /* for sync */);
+int mdp_vpu_dev_deinit(struct mdp_vpu_dev *vpu);
+int mdp_vpu_process(struct mdp_vpu_dev *vpu, struct img_ipi_frameparam *param);
+
+#endif  /* __MTK_MDP3_VPU_H__ */