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-rw-r--r--drivers/media/platform/exynos-gsc/gsc-regs.c425
-rw-r--r--drivers/media/platform/exynos-gsc/gsc-regs.h172
2 files changed, 597 insertions, 0 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-regs.c b/drivers/media/platform/exynos-gsc/gsc-regs.c
new file mode 100644
index 000000000000..0d8625f03a32
--- /dev/null
+++ b/drivers/media/platform/exynos-gsc/gsc-regs.c
@@ -0,0 +1,425 @@
+/*
+ * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Samsung EXYNOS5 SoC series G-Scaler driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 2 of the License,
+ * or (at your option) any later version.
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <mach/map.h>
+
+#include "gsc-core.h"
+
+void gsc_hw_set_sw_reset(struct gsc_dev *dev)
+{
+ writel(GSC_SW_RESET_SRESET, dev->regs + GSC_SW_RESET);
+}
+
+int gsc_wait_reset(struct gsc_dev *dev)
+{
+ unsigned long end = jiffies + msecs_to_jiffies(50);
+ u32 cfg;
+
+ while (time_before(jiffies, end)) {
+ cfg = readl(dev->regs + GSC_SW_RESET);
+ if (!cfg)
+ return 0;
+ usleep_range(10, 20);
+ }
+
+ return -EBUSY;
+}
+
+void gsc_hw_set_frm_done_irq_mask(struct gsc_dev *dev, bool mask)
+{
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_IRQ);
+ if (mask)
+ cfg |= GSC_IRQ_FRMDONE_MASK;
+ else
+ cfg &= ~GSC_IRQ_FRMDONE_MASK;
+ writel(cfg, dev->regs + GSC_IRQ);
+}
+
+void gsc_hw_set_gsc_irq_enable(struct gsc_dev *dev, bool mask)
+{
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_IRQ);
+ if (mask)
+ cfg |= GSC_IRQ_ENABLE;
+ else
+ cfg &= ~GSC_IRQ_ENABLE;
+ writel(cfg, dev->regs + GSC_IRQ);
+}
+
+void gsc_hw_set_input_buf_masking(struct gsc_dev *dev, u32 shift,
+ bool enable)
+{
+ u32 cfg = readl(dev->regs + GSC_IN_BASE_ADDR_Y_MASK);
+ u32 mask = 1 << shift;
+
+ cfg &= ~mask;
+ cfg |= enable << shift;
+
+ writel(cfg, dev->regs + GSC_IN_BASE_ADDR_Y_MASK);
+ writel(cfg, dev->regs + GSC_IN_BASE_ADDR_CB_MASK);
+ writel(cfg, dev->regs + GSC_IN_BASE_ADDR_CR_MASK);
+}
+
+void gsc_hw_set_output_buf_masking(struct gsc_dev *dev, u32 shift,
+ bool enable)
+{
+ u32 cfg = readl(dev->regs + GSC_OUT_BASE_ADDR_Y_MASK);
+ u32 mask = 1 << shift;
+
+ cfg &= ~mask;
+ cfg |= enable << shift;
+
+ writel(cfg, dev->regs + GSC_OUT_BASE_ADDR_Y_MASK);
+ writel(cfg, dev->regs + GSC_OUT_BASE_ADDR_CB_MASK);
+ writel(cfg, dev->regs + GSC_OUT_BASE_ADDR_CR_MASK);
+}
+
+void gsc_hw_set_input_addr(struct gsc_dev *dev, struct gsc_addr *addr,
+ int index)
+{
+ pr_debug("src_buf[%d]: 0x%X, cb: 0x%X, cr: 0x%X", index,
+ addr->y, addr->cb, addr->cr);
+ writel(addr->y, dev->regs + GSC_IN_BASE_ADDR_Y(index));
+ writel(addr->cb, dev->regs + GSC_IN_BASE_ADDR_CB(index));
+ writel(addr->cr, dev->regs + GSC_IN_BASE_ADDR_CR(index));
+
+}
+
+void gsc_hw_set_output_addr(struct gsc_dev *dev,
+ struct gsc_addr *addr, int index)
+{
+ pr_debug("dst_buf[%d]: 0x%X, cb: 0x%X, cr: 0x%X",
+ index, addr->y, addr->cb, addr->cr);
+ writel(addr->y, dev->regs + GSC_OUT_BASE_ADDR_Y(index));
+ writel(addr->cb, dev->regs + GSC_OUT_BASE_ADDR_CB(index));
+ writel(addr->cr, dev->regs + GSC_OUT_BASE_ADDR_CR(index));
+}
+
+void gsc_hw_set_input_path(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+
+ u32 cfg = readl(dev->regs + GSC_IN_CON);
+ cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
+
+ if (ctx->in_path == GSC_DMA)
+ cfg |= GSC_IN_PATH_MEMORY;
+
+ writel(cfg, dev->regs + GSC_IN_CON);
+}
+
+void gsc_hw_set_in_size(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->s_frame;
+ u32 cfg;
+
+ /* Set input pixel offset */
+ cfg = GSC_SRCIMG_OFFSET_X(frame->crop.left);
+ cfg |= GSC_SRCIMG_OFFSET_Y(frame->crop.top);
+ writel(cfg, dev->regs + GSC_SRCIMG_OFFSET);
+
+ /* Set input original size */
+ cfg = GSC_SRCIMG_WIDTH(frame->f_width);
+ cfg |= GSC_SRCIMG_HEIGHT(frame->f_height);
+ writel(cfg, dev->regs + GSC_SRCIMG_SIZE);
+
+ /* Set input cropped size */
+ cfg = GSC_CROPPED_WIDTH(frame->crop.width);
+ cfg |= GSC_CROPPED_HEIGHT(frame->crop.height);
+ writel(cfg, dev->regs + GSC_CROPPED_SIZE);
+}
+
+void gsc_hw_set_in_image_rgb(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->s_frame;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_IN_CON);
+ if (frame->colorspace == V4L2_COLORSPACE_REC709)
+ cfg |= GSC_IN_RGB_HD_WIDE;
+ else
+ cfg |= GSC_IN_RGB_SD_WIDE;
+
+ if (frame->fmt->pixelformat == V4L2_PIX_FMT_RGB565X)
+ cfg |= GSC_IN_RGB565;
+ else if (frame->fmt->pixelformat == V4L2_PIX_FMT_RGB32)
+ cfg |= GSC_IN_XRGB8888;
+
+ writel(cfg, dev->regs + GSC_IN_CON);
+}
+
+void gsc_hw_set_in_image_format(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->s_frame;
+ u32 i, depth = 0;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_IN_CON);
+ cfg &= ~(GSC_IN_RGB_TYPE_MASK | GSC_IN_YUV422_1P_ORDER_MASK |
+ GSC_IN_CHROMA_ORDER_MASK | GSC_IN_FORMAT_MASK |
+ GSC_IN_TILE_TYPE_MASK | GSC_IN_TILE_MODE);
+ writel(cfg, dev->regs + GSC_IN_CON);
+
+ if (is_rgb(frame->fmt->color)) {
+ gsc_hw_set_in_image_rgb(ctx);
+ return;
+ }
+ for (i = 0; i < frame->fmt->num_planes; i++)
+ depth += frame->fmt->depth[i];
+
+ switch (frame->fmt->num_comp) {
+ case 1:
+ cfg |= GSC_IN_YUV422_1P;
+ if (frame->fmt->yorder == GSC_LSB_Y)
+ cfg |= GSC_IN_YUV422_1P_ORDER_LSB_Y;
+ else
+ cfg |= GSC_IN_YUV422_1P_OEDER_LSB_C;
+ if (frame->fmt->corder == GSC_CBCR)
+ cfg |= GSC_IN_CHROMA_ORDER_CBCR;
+ else
+ cfg |= GSC_IN_CHROMA_ORDER_CRCB;
+ break;
+ case 2:
+ if (depth == 12)
+ cfg |= GSC_IN_YUV420_2P;
+ else
+ cfg |= GSC_IN_YUV422_2P;
+ if (frame->fmt->corder == GSC_CBCR)
+ cfg |= GSC_IN_CHROMA_ORDER_CBCR;
+ else
+ cfg |= GSC_IN_CHROMA_ORDER_CRCB;
+ break;
+ case 3:
+ if (depth == 12)
+ cfg |= GSC_IN_YUV420_3P;
+ else
+ cfg |= GSC_IN_YUV422_3P;
+ break;
+ };
+
+ writel(cfg, dev->regs + GSC_IN_CON);
+}
+
+void gsc_hw_set_output_path(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+
+ u32 cfg = readl(dev->regs + GSC_OUT_CON);
+ cfg &= ~GSC_OUT_PATH_MASK;
+
+ if (ctx->out_path == GSC_DMA)
+ cfg |= GSC_OUT_PATH_MEMORY;
+ else
+ cfg |= GSC_OUT_PATH_LOCAL;
+
+ writel(cfg, dev->regs + GSC_OUT_CON);
+}
+
+void gsc_hw_set_out_size(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->d_frame;
+ u32 cfg;
+
+ /* Set output original size */
+ if (ctx->out_path == GSC_DMA) {
+ cfg = GSC_DSTIMG_OFFSET_X(frame->crop.left);
+ cfg |= GSC_DSTIMG_OFFSET_Y(frame->crop.top);
+ writel(cfg, dev->regs + GSC_DSTIMG_OFFSET);
+
+ cfg = GSC_DSTIMG_WIDTH(frame->f_width);
+ cfg |= GSC_DSTIMG_HEIGHT(frame->f_height);
+ writel(cfg, dev->regs + GSC_DSTIMG_SIZE);
+ }
+
+ /* Set output scaled size */
+ if (ctx->gsc_ctrls.rotate->val == 90 ||
+ ctx->gsc_ctrls.rotate->val == 270) {
+ cfg = GSC_SCALED_WIDTH(frame->crop.height);
+ cfg |= GSC_SCALED_HEIGHT(frame->crop.width);
+ } else {
+ cfg = GSC_SCALED_WIDTH(frame->crop.width);
+ cfg |= GSC_SCALED_HEIGHT(frame->crop.height);
+ }
+ writel(cfg, dev->regs + GSC_SCALED_SIZE);
+}
+
+void gsc_hw_set_out_image_rgb(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->d_frame;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_OUT_CON);
+ if (frame->colorspace == V4L2_COLORSPACE_REC709)
+ cfg |= GSC_OUT_RGB_HD_WIDE;
+ else
+ cfg |= GSC_OUT_RGB_SD_WIDE;
+
+ if (frame->fmt->pixelformat == V4L2_PIX_FMT_RGB565X)
+ cfg |= GSC_OUT_RGB565;
+ else if (frame->fmt->pixelformat == V4L2_PIX_FMT_RGB32)
+ cfg |= GSC_OUT_XRGB8888;
+
+ writel(cfg, dev->regs + GSC_OUT_CON);
+}
+
+void gsc_hw_set_out_image_format(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->d_frame;
+ u32 i, depth = 0;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_OUT_CON);
+ cfg &= ~(GSC_OUT_RGB_TYPE_MASK | GSC_OUT_YUV422_1P_ORDER_MASK |
+ GSC_OUT_CHROMA_ORDER_MASK | GSC_OUT_FORMAT_MASK |
+ GSC_OUT_TILE_TYPE_MASK | GSC_OUT_TILE_MODE);
+ writel(cfg, dev->regs + GSC_OUT_CON);
+
+ if (is_rgb(frame->fmt->color)) {
+ gsc_hw_set_out_image_rgb(ctx);
+ return;
+ }
+
+ if (ctx->out_path != GSC_DMA) {
+ cfg |= GSC_OUT_YUV444;
+ goto end_set;
+ }
+
+ for (i = 0; i < frame->fmt->num_planes; i++)
+ depth += frame->fmt->depth[i];
+
+ switch (frame->fmt->num_comp) {
+ case 1:
+ cfg |= GSC_OUT_YUV422_1P;
+ if (frame->fmt->yorder == GSC_LSB_Y)
+ cfg |= GSC_OUT_YUV422_1P_ORDER_LSB_Y;
+ else
+ cfg |= GSC_OUT_YUV422_1P_OEDER_LSB_C;
+ if (frame->fmt->corder == GSC_CBCR)
+ cfg |= GSC_OUT_CHROMA_ORDER_CBCR;
+ else
+ cfg |= GSC_OUT_CHROMA_ORDER_CRCB;
+ break;
+ case 2:
+ if (depth == 12)
+ cfg |= GSC_OUT_YUV420_2P;
+ else
+ cfg |= GSC_OUT_YUV422_2P;
+ if (frame->fmt->corder == GSC_CBCR)
+ cfg |= GSC_OUT_CHROMA_ORDER_CBCR;
+ else
+ cfg |= GSC_OUT_CHROMA_ORDER_CRCB;
+ break;
+ case 3:
+ cfg |= GSC_OUT_YUV420_3P;
+ break;
+ };
+
+end_set:
+ writel(cfg, dev->regs + GSC_OUT_CON);
+}
+
+void gsc_hw_set_prescaler(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_scaler *sc = &ctx->scaler;
+ u32 cfg;
+
+ cfg = GSC_PRESC_SHFACTOR(sc->pre_shfactor);
+ cfg |= GSC_PRESC_H_RATIO(sc->pre_hratio);
+ cfg |= GSC_PRESC_V_RATIO(sc->pre_vratio);
+ writel(cfg, dev->regs + GSC_PRE_SCALE_RATIO);
+}
+
+void gsc_hw_set_mainscaler(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_scaler *sc = &ctx->scaler;
+ u32 cfg;
+
+ cfg = GSC_MAIN_H_RATIO_VALUE(sc->main_hratio);
+ writel(cfg, dev->regs + GSC_MAIN_H_RATIO);
+
+ cfg = GSC_MAIN_V_RATIO_VALUE(sc->main_vratio);
+ writel(cfg, dev->regs + GSC_MAIN_V_RATIO);
+}
+
+void gsc_hw_set_rotation(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_IN_CON);
+ cfg &= ~GSC_IN_ROT_MASK;
+
+ switch (ctx->gsc_ctrls.rotate->val) {
+ case 270:
+ cfg |= GSC_IN_ROT_270;
+ break;
+ case 180:
+ cfg |= GSC_IN_ROT_180;
+ break;
+ case 90:
+ if (ctx->gsc_ctrls.hflip->val)
+ cfg |= GSC_IN_ROT_90_XFLIP;
+ else if (ctx->gsc_ctrls.vflip->val)
+ cfg |= GSC_IN_ROT_90_YFLIP;
+ else
+ cfg |= GSC_IN_ROT_90;
+ break;
+ case 0:
+ if (ctx->gsc_ctrls.hflip->val)
+ cfg |= GSC_IN_ROT_XFLIP;
+ else if (ctx->gsc_ctrls.vflip->val)
+ cfg |= GSC_IN_ROT_YFLIP;
+ }
+
+ writel(cfg, dev->regs + GSC_IN_CON);
+}
+
+void gsc_hw_set_global_alpha(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ struct gsc_frame *frame = &ctx->d_frame;
+ u32 cfg;
+
+ if (!is_rgb(frame->fmt->color)) {
+ pr_debug("Not a RGB format");
+ return;
+ }
+
+ cfg = readl(dev->regs + GSC_OUT_CON);
+ cfg &= ~GSC_OUT_GLOBAL_ALPHA_MASK;
+
+ cfg |= GSC_OUT_GLOBAL_ALPHA(ctx->gsc_ctrls.global_alpha->val);
+ writel(cfg, dev->regs + GSC_OUT_CON);
+}
+
+void gsc_hw_set_sfr_update(struct gsc_ctx *ctx)
+{
+ struct gsc_dev *dev = ctx->gsc_dev;
+ u32 cfg;
+
+ cfg = readl(dev->regs + GSC_ENABLE);
+ cfg |= GSC_ENABLE_SFR_UPDATE;
+ writel(cfg, dev->regs + GSC_ENABLE);
+}
diff --git a/drivers/media/platform/exynos-gsc/gsc-regs.h b/drivers/media/platform/exynos-gsc/gsc-regs.h
new file mode 100644
index 000000000000..533e9947a925
--- /dev/null
+++ b/drivers/media/platform/exynos-gsc/gsc-regs.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Register definition file for Samsung G-Scaler driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef REGS_GSC_H_
+#define REGS_GSC_H_
+
+/* G-Scaler enable */
+#define GSC_ENABLE 0x00
+#define GSC_ENABLE_OP_STATUS (1 << 2)
+#define GSC_ENABLE_SFR_UPDATE (1 << 1)
+#define GSC_ENABLE_ON (1 << 0)
+
+/* G-Scaler S/W reset */
+#define GSC_SW_RESET 0x04
+#define GSC_SW_RESET_SRESET (1 << 0)
+
+/* G-Scaler IRQ */
+#define GSC_IRQ 0x08
+#define GSC_IRQ_STATUS_OR_IRQ (1 << 17)
+#define GSC_IRQ_STATUS_FRM_DONE_IRQ (1 << 16)
+#define GSC_IRQ_FRMDONE_MASK (1 << 1)
+#define GSC_IRQ_ENABLE (1 << 0)
+
+/* G-Scaler input control */
+#define GSC_IN_CON 0x10
+#define GSC_IN_ROT_MASK (7 << 16)
+#define GSC_IN_ROT_270 (7 << 16)
+#define GSC_IN_ROT_90_YFLIP (6 << 16)
+#define GSC_IN_ROT_90_XFLIP (5 << 16)
+#define GSC_IN_ROT_90 (4 << 16)
+#define GSC_IN_ROT_180 (3 << 16)
+#define GSC_IN_ROT_YFLIP (2 << 16)
+#define GSC_IN_ROT_XFLIP (1 << 16)
+#define GSC_IN_RGB_TYPE_MASK (3 << 14)
+#define GSC_IN_RGB_HD_WIDE (3 << 14)
+#define GSC_IN_RGB_HD_NARROW (2 << 14)
+#define GSC_IN_RGB_SD_WIDE (1 << 14)
+#define GSC_IN_RGB_SD_NARROW (0 << 14)
+#define GSC_IN_YUV422_1P_ORDER_MASK (1 << 13)
+#define GSC_IN_YUV422_1P_ORDER_LSB_Y (0 << 13)
+#define GSC_IN_YUV422_1P_OEDER_LSB_C (1 << 13)
+#define GSC_IN_CHROMA_ORDER_MASK (1 << 12)
+#define GSC_IN_CHROMA_ORDER_CBCR (0 << 12)
+#define GSC_IN_CHROMA_ORDER_CRCB (1 << 12)
+#define GSC_IN_FORMAT_MASK (7 << 8)
+#define GSC_IN_XRGB8888 (0 << 8)
+#define GSC_IN_RGB565 (1 << 8)
+#define GSC_IN_YUV420_2P (2 << 8)
+#define GSC_IN_YUV420_3P (3 << 8)
+#define GSC_IN_YUV422_1P (4 << 8)
+#define GSC_IN_YUV422_2P (5 << 8)
+#define GSC_IN_YUV422_3P (6 << 8)
+#define GSC_IN_TILE_TYPE_MASK (1 << 4)
+#define GSC_IN_TILE_C_16x8 (0 << 4)
+#define GSC_IN_TILE_MODE (1 << 3)
+#define GSC_IN_LOCAL_SEL_MASK (3 << 1)
+#define GSC_IN_PATH_MASK (1 << 0)
+#define GSC_IN_PATH_MEMORY (0 << 0)
+
+/* G-Scaler source image size */
+#define GSC_SRCIMG_SIZE 0x14
+#define GSC_SRCIMG_HEIGHT(x) ((x) << 16)
+#define GSC_SRCIMG_WIDTH(x) ((x) << 0)
+
+/* G-Scaler source image offset */
+#define GSC_SRCIMG_OFFSET 0x18
+#define GSC_SRCIMG_OFFSET_Y(x) ((x) << 16)
+#define GSC_SRCIMG_OFFSET_X(x) ((x) << 0)
+
+/* G-Scaler cropped source image size */
+#define GSC_CROPPED_SIZE 0x1c
+#define GSC_CROPPED_HEIGHT(x) ((x) << 16)
+#define GSC_CROPPED_WIDTH(x) ((x) << 0)
+
+/* G-Scaler output control */
+#define GSC_OUT_CON 0x20
+#define GSC_OUT_GLOBAL_ALPHA_MASK (0xff << 24)
+#define GSC_OUT_GLOBAL_ALPHA(x) ((x) << 24)
+#define GSC_OUT_RGB_TYPE_MASK (3 << 10)
+#define GSC_OUT_RGB_HD_NARROW (3 << 10)
+#define GSC_OUT_RGB_HD_WIDE (2 << 10)
+#define GSC_OUT_RGB_SD_NARROW (1 << 10)
+#define GSC_OUT_RGB_SD_WIDE (0 << 10)
+#define GSC_OUT_YUV422_1P_ORDER_MASK (1 << 9)
+#define GSC_OUT_YUV422_1P_ORDER_LSB_Y (0 << 9)
+#define GSC_OUT_YUV422_1P_OEDER_LSB_C (1 << 9)
+#define GSC_OUT_CHROMA_ORDER_MASK (1 << 8)
+#define GSC_OUT_CHROMA_ORDER_CBCR (0 << 8)
+#define GSC_OUT_CHROMA_ORDER_CRCB (1 << 8)
+#define GSC_OUT_FORMAT_MASK (7 << 4)
+#define GSC_OUT_XRGB8888 (0 << 4)
+#define GSC_OUT_RGB565 (1 << 4)
+#define GSC_OUT_YUV420_2P (2 << 4)
+#define GSC_OUT_YUV420_3P (3 << 4)
+#define GSC_OUT_YUV422_1P (4 << 4)
+#define GSC_OUT_YUV422_2P (5 << 4)
+#define GSC_OUT_YUV444 (7 << 4)
+#define GSC_OUT_TILE_TYPE_MASK (1 << 2)
+#define GSC_OUT_TILE_C_16x8 (0 << 2)
+#define GSC_OUT_TILE_MODE (1 << 1)
+#define GSC_OUT_PATH_MASK (1 << 0)
+#define GSC_OUT_PATH_LOCAL (1 << 0)
+#define GSC_OUT_PATH_MEMORY (0 << 0)
+
+/* G-Scaler scaled destination image size */
+#define GSC_SCALED_SIZE 0x24
+#define GSC_SCALED_HEIGHT(x) ((x) << 16)
+#define GSC_SCALED_WIDTH(x) ((x) << 0)
+
+/* G-Scaler pre scale ratio */
+#define GSC_PRE_SCALE_RATIO 0x28
+#define GSC_PRESC_SHFACTOR(x) ((x) << 28)
+#define GSC_PRESC_V_RATIO(x) ((x) << 16)
+#define GSC_PRESC_H_RATIO(x) ((x) << 0)
+
+/* G-Scaler main scale horizontal ratio */
+#define GSC_MAIN_H_RATIO 0x2c
+#define GSC_MAIN_H_RATIO_VALUE(x) ((x) << 0)
+
+/* G-Scaler main scale vertical ratio */
+#define GSC_MAIN_V_RATIO 0x30
+#define GSC_MAIN_V_RATIO_VALUE(x) ((x) << 0)
+
+/* G-Scaler destination image size */
+#define GSC_DSTIMG_SIZE 0x40
+#define GSC_DSTIMG_HEIGHT(x) ((x) << 16)
+#define GSC_DSTIMG_WIDTH(x) ((x) << 0)
+
+/* G-Scaler destination image offset */
+#define GSC_DSTIMG_OFFSET 0x44
+#define GSC_DSTIMG_OFFSET_Y(x) ((x) << 16)
+#define GSC_DSTIMG_OFFSET_X(x) ((x) << 0)
+
+/* G-Scaler input y address mask */
+#define GSC_IN_BASE_ADDR_Y_MASK 0x4c
+/* G-Scaler input y base address */
+#define GSC_IN_BASE_ADDR_Y(n) (0x50 + (n) * 0x4)
+
+/* G-Scaler input cb address mask */
+#define GSC_IN_BASE_ADDR_CB_MASK 0x7c
+/* G-Scaler input cb base address */
+#define GSC_IN_BASE_ADDR_CB(n) (0x80 + (n) * 0x4)
+
+/* G-Scaler input cr address mask */
+#define GSC_IN_BASE_ADDR_CR_MASK 0xac
+/* G-Scaler input cr base address */
+#define GSC_IN_BASE_ADDR_CR(n) (0xb0 + (n) * 0x4)
+
+/* G-Scaler output y address mask */
+#define GSC_OUT_BASE_ADDR_Y_MASK 0x10c
+/* G-Scaler output y base address */
+#define GSC_OUT_BASE_ADDR_Y(n) (0x110 + (n) * 0x4)
+
+/* G-Scaler output cb address mask */
+#define GSC_OUT_BASE_ADDR_CB_MASK 0x15c
+/* G-Scaler output cb base address */
+#define GSC_OUT_BASE_ADDR_CB(n) (0x160 + (n) * 0x4)
+
+/* G-Scaler output cr address mask */
+#define GSC_OUT_BASE_ADDR_CR_MASK 0x1ac
+/* G-Scaler output cr base address */
+#define GSC_OUT_BASE_ADDR_CR(n) (0x1b0 + (n) * 0x4)
+
+#endif /* REGS_GSC_H_ */