8 files changed, 2756 insertions, 0 deletions

diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 80ab242e2739..66c02df360e7 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -51,3 +51,9 @@ config DRM_EXYNOS_IPP
         depends on DRM_EXYNOS
         help
           Choose this option if you want to use IPP feature for DRM.
+
+config DRM_EXYNOS_FIMC
+        bool "Exynos DRM FIMC"
+        depends on DRM_EXYNOS_IPP
+        help
+          Choose this option if you want to use Exynos FIMC for DRM.
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 6c536ce4d95b..9710024ed000 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -17,5 +17,6 @@ exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI)	+= exynos_hdmi.o exynos_mixer.o \
 exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI)     += exynos_drm_vidi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_G2D)      += exynos_drm_g2d.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_IPP)      += exynos_drm_ipp.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_FIMC)     += exynos_drm_fimc.o
 
 obj-$(CONFIG_DRM_EXYNOS)                += exynosdrm.o
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 0eb8a972e21c..73f02ac53bad 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -372,6 +372,12 @@ static int __init exynos_drm_init(void)
                 goto out_g2d;
 #endif
 
+#ifdef CONFIG_DRM_EXYNOS_FIMC
+        ret = platform_driver_register(&fimc_driver);
+        if (ret < 0)
+                goto out_fimc;
+#endif
+
 #ifdef CONFIG_DRM_EXYNOS_IPP
         ret = platform_driver_register(&ipp_driver);
         if (ret < 0)
@@ -400,6 +406,11 @@ out_drm:
 out_ipp:
 #endif
 
+#ifdef CONFIG_DRM_EXYNOS_FIMC
+        platform_driver_unregister(&fimc_driver);
+out_fimc:
+#endif
+
 #ifdef CONFIG_DRM_EXYNOS_G2D
         platform_driver_unregister(&g2d_driver);
 out_g2d:
@@ -440,6 +451,10 @@ static void __exit exynos_drm_exit(void)
         platform_driver_unregister(&ipp_driver);
 #endif
 
+#ifdef CONFIG_DRM_EXYNOS_FIMC
+        platform_driver_unregister(&fimc_driver);
+#endif
+
 #ifdef CONFIG_DRM_EXYNOS_G2D
         platform_driver_unregister(&g2d_driver);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 44ab3c7b6a90..63803508e4df 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -349,5 +349,6 @@ extern struct platform_driver mixer_driver;
 extern struct platform_driver exynos_drm_common_hdmi_driver;
 extern struct platform_driver vidi_driver;
 extern struct platform_driver g2d_driver;
+extern struct platform_driver fimc_driver;
 extern struct platform_driver ipp_driver;
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
new file mode 100644
index 000000000000..61ea24296b52
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -0,0 +1,2001 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ * Authors:
+ *      Eunchul Kim <chulspro.kim@samsung.com>
+ *      Jinyoung Jeon <jy0.jeon@samsung.com>
+ *      Sangmin Lee <lsmin.lee@samsung.com>
+ *
+ * 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/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/pm_runtime.h>
+#include <plat/map-base.h>
+
+#include <drm/drmP.h>
+#include <drm/exynos_drm.h>
+#include "regs-fimc.h"
+#include "exynos_drm_ipp.h"
+#include "exynos_drm_fimc.h"
+
+/*
+ * FIMC is stand for Fully Interactive Mobile Camera and
+ * supports image scaler/rotator and input/output DMA operations.
+ * input DMA reads image data from the memory.
+ * output DMA writes image data to memory.
+ * FIMC supports image rotation and image effect functions.
+ *
+ * M2M operation : supports crop/scale/rotation/csc so on.
+ * Memory ----> FIMC H/W ----> Memory.
+ * Writeback operation : supports cloned screen with FIMD.
+ * FIMD ----> FIMC H/W ----> Memory.
+ * Output operation : supports direct display using local path.
+ * Memory ----> FIMC H/W ----> FIMD.
+ */
+
+/*
+ * TODO
+ * 1. check suspend/resume api if needed.
+ * 2. need to check use case platform_device_id.
+ * 3. check src/dst size with, height.
+ * 4. added check_prepare api for right register.
+ * 5. need to add supported list in prop_list.
+ * 6. check prescaler/scaler optimization.
+ */
+
+#define FIMC_MAX_DEVS   4
+#define FIMC_MAX_SRC    2
+#define FIMC_MAX_DST    32
+#define FIMC_SHFACTOR   10
+#define FIMC_BUF_STOP   1
+#define FIMC_BUF_START  2
+#define FIMC_REG_SZ             32
+#define FIMC_WIDTH_ITU_709      1280
+#define FIMC_REFRESH_MAX        60
+#define FIMC_REFRESH_MIN        12
+#define FIMC_CROP_MAX   8192
+#define FIMC_CROP_MIN   32
+#define FIMC_SCALE_MAX  4224
+#define FIMC_SCALE_MIN  32
+
+#define get_fimc_context(dev)   platform_get_drvdata(to_platform_device(dev))
+#define get_ctx_from_ippdrv(ippdrv)     container_of(ippdrv,\
+                                        struct fimc_context, ippdrv);
+#define fimc_read(offset)               readl(ctx->regs + (offset))
+#define fimc_write(cfg, offset) writel(cfg, ctx->regs + (offset))
+
+enum fimc_wb {
+        FIMC_WB_NONE,
+        FIMC_WB_A,
+        FIMC_WB_B,
+};
+
+/*
+ * A structure of scaler.
+ *
+ * @range: narrow, wide.
+ * @bypass: unused scaler path.
+ * @up_h: horizontal scale up.
+ * @up_v: vertical scale up.
+ * @hratio: horizontal ratio.
+ * @vratio: vertical ratio.
+ */
+struct fimc_scaler {
+        bool    range;
+        bool bypass;
+        bool up_h;
+        bool up_v;
+        u32 hratio;
+        u32 vratio;
+};
+
+/*
+ * A structure of scaler capability.
+ *
+ * find user manual table 43-1.
+ * @in_hori: scaler input horizontal size.
+ * @bypass: scaler bypass mode.
+ * @dst_h_wo_rot: target horizontal size without output rotation.
+ * @dst_h_rot: target horizontal size with output rotation.
+ * @rl_w_wo_rot: real width without input rotation.
+ * @rl_h_rot: real height without output rotation.
+ */
+struct fimc_capability {
+        /* scaler */
+        u32     in_hori;
+        u32     bypass;
+        /* output rotator */
+        u32     dst_h_wo_rot;
+        u32     dst_h_rot;
+        /* input rotator */
+        u32     rl_w_wo_rot;
+        u32     rl_h_rot;