media: s5p-fimc: Use correct fourcc for RGB565 colour format
[linux-2.6.git] / drivers / media / video / s5p-fimc / fimc-core.c
index 65d25b3..b062b1a 100644 (file)
@@ -1,9 +1,8 @@
 /*
- * S5P camera interface (video postprocessor) driver
+ * Samsung S5P/EXYNOS4 SoC series camera interface (video postprocessor) driver
  *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd
- *
- * Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ * Copyright (C) 2010-2011 Samsung Electronics Co., Ltd.
+ * Contact: Sylwester Nawrocki, <s.nawrocki@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
@@ -13,7 +12,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/bug.h>
 
 #include "fimc-core.h"
 
-static char *fimc_clock_name[NUM_FIMC_CLOCKS] = { "sclk_fimc", "fimc" };
+static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
+       "sclk_fimc", "fimc", "sclk_cam"
+};
 
 static struct fimc_fmt fimc_formats[] = {
        {
-               .name   = "RGB565",
-               .fourcc = V4L2_PIX_FMT_RGB565X,
-               .depth  = 16,
-               .color  = S5P_FIMC_RGB565,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .mbus_code = V4L2_MBUS_FMT_RGB565_2X8_BE,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "RGB565",
+               .fourcc         = V4L2_PIX_FMT_RGB565,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_RGB565,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .flags          = FMT_FLAGS_M2M,
+       }, {
+               .name           = "BGR666",
+               .fourcc         = V4L2_PIX_FMT_BGR666,
+               .depth          = { 32 },
+               .color          = S5P_FIMC_RGB666,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "BGR666",
-               .fourcc = V4L2_PIX_FMT_BGR666,
-               .depth  = 32,
-               .color  = S5P_FIMC_RGB666,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "XRGB-8-8-8-8, 32 bpp",
+               .fourcc         = V4L2_PIX_FMT_RGB32,
+               .depth          = { 32 },
+               .color          = S5P_FIMC_RGB888,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name = "XRGB-8-8-8-8, 32 bpp",
-               .fourcc = V4L2_PIX_FMT_RGB32,
-               .depth = 32,
-               .color  = S5P_FIMC_RGB888,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:2 packed, YCbYCr",
+               .fourcc         = V4L2_PIX_FMT_YUYV,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_YCBYCR422,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .mbus_code      = V4L2_MBUS_FMT_YUYV8_2X8,
+               .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
        }, {
-               .name   = "YUV 4:2:2 packed, YCbYCr",
-               .fourcc = V4L2_PIX_FMT_YUYV,
-               .depth  = 16,
-               .color  = S5P_FIMC_YCBYCR422,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8,
-               .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
+               .name           = "YUV 4:2:2 packed, CbYCrY",
+               .fourcc         = V4L2_PIX_FMT_UYVY,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_CBYCRY422,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .mbus_code      = V4L2_MBUS_FMT_UYVY8_2X8,
+               .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
        }, {
-               .name   = "YUV 4:2:2 packed, CbYCrY",
-               .fourcc = V4L2_PIX_FMT_UYVY,
-               .depth  = 16,
-               .color  = S5P_FIMC_CBYCRY422,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8,
-               .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
+               .name           = "YUV 4:2:2 packed, CrYCbY",
+               .fourcc         = V4L2_PIX_FMT_VYUY,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_CRYCBY422,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .mbus_code      = V4L2_MBUS_FMT_VYUY8_2X8,
+               .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
        }, {
-               .name   = "YUV 4:2:2 packed, CrYCbY",
-               .fourcc = V4L2_PIX_FMT_VYUY,
-               .depth  = 16,
-               .color  = S5P_FIMC_CRYCBY422,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8,
-               .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
+               .name           = "YUV 4:2:2 packed, YCrYCb",
+               .fourcc         = V4L2_PIX_FMT_YVYU,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_YCRYCB422,
+               .memplanes      = 1,
+               .colplanes      = 1,
+               .mbus_code      = V4L2_MBUS_FMT_YVYU8_2X8,
+               .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
        }, {
-               .name   = "YUV 4:2:2 packed, YCrYCb",
-               .fourcc = V4L2_PIX_FMT_YVYU,
-               .depth  = 16,
-               .color  = S5P_FIMC_YCRYCB422,
-               .buff_cnt = 1,
-               .planes_cnt = 1,
-               .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8,
-               .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
+               .name           = "YUV 4:2:2 planar, Y/Cb/Cr",
+               .fourcc         = V4L2_PIX_FMT_YUV422P,
+               .depth          = { 12 },
+               .color          = S5P_FIMC_YCBYCR422,
+               .memplanes      = 1,
+               .colplanes      = 3,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "YUV 4:2:2 planar, Y/Cb/Cr",
-               .fourcc = V4L2_PIX_FMT_YUV422P,
-               .depth  = 12,
-               .color  = S5P_FIMC_YCBCR422,
-               .buff_cnt = 1,
-               .planes_cnt = 3,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:2 planar, Y/CbCr",
+               .fourcc         = V4L2_PIX_FMT_NV16,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_YCBYCR422,
+               .memplanes      = 1,
+               .colplanes      = 2,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "YUV 4:2:2 planar, Y/CbCr",
-               .fourcc = V4L2_PIX_FMT_NV16,
-               .depth  = 16,
-               .color  = S5P_FIMC_YCBCR422,
-               .buff_cnt = 1,
-               .planes_cnt = 2,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:2 planar, Y/CrCb",
+               .fourcc         = V4L2_PIX_FMT_NV61,
+               .depth          = { 16 },
+               .color          = S5P_FIMC_YCRYCB422,
+               .memplanes      = 1,
+               .colplanes      = 2,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "YUV 4:2:2 planar, Y/CrCb",
-               .fourcc = V4L2_PIX_FMT_NV61,
-               .depth  = 16,
-               .color  = S5P_FIMC_RGB565,
-               .buff_cnt = 1,
-               .planes_cnt = 2,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:0 planar, YCbCr",
+               .fourcc         = V4L2_PIX_FMT_YUV420,
+               .depth          = { 12 },
+               .color          = S5P_FIMC_YCBCR420,
+               .memplanes      = 1,
+               .colplanes      = 3,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "YUV 4:2:0 planar, YCbCr",
-               .fourcc = V4L2_PIX_FMT_YUV420,
-               .depth  = 12,
-               .color  = S5P_FIMC_YCBCR420,
-               .buff_cnt = 1,
-               .planes_cnt = 3,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:0 planar, Y/CbCr",
+               .fourcc         = V4L2_PIX_FMT_NV12,
+               .depth          = { 12 },
+               .color          = S5P_FIMC_YCBCR420,
+               .memplanes      = 1,
+               .colplanes      = 2,
+               .flags          = FMT_FLAGS_M2M,
        }, {
-               .name   = "YUV 4:2:0 planar, Y/CbCr",
-               .fourcc = V4L2_PIX_FMT_NV12,
-               .depth  = 12,
-               .color  = S5P_FIMC_YCBCR420,
-               .buff_cnt = 1,
-               .planes_cnt = 2,
-               .flags = FMT_FLAGS_M2M,
+               .name           = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr",
+               .fourcc         = V4L2_PIX_FMT_NV12M,
+               .color          = S5P_FIMC_YCBCR420,
+               .depth          = { 8, 4 },
+               .memplanes      = 2,
+               .colplanes      = 2,
+               .flags          = FMT_FLAGS_M2M,
+       }, {
+               .name           = "YUV 4:2:0 non-contiguous 3-planar, Y/Cb/Cr",
+               .fourcc         = V4L2_PIX_FMT_YUV420M,
+               .color          = S5P_FIMC_YCBCR420,
+               .depth          = { 8, 2, 2 },
+               .memplanes      = 3,
+               .colplanes      = 3,
+               .flags          = FMT_FLAGS_M2M,
+       }, {
+               .name           = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr, tiled",
+               .fourcc         = V4L2_PIX_FMT_NV12MT,
+               .color          = S5P_FIMC_YCBCR420,
+               .depth          = { 8, 4 },
+               .memplanes      = 2,
+               .colplanes      = 2,
+               .flags          = FMT_FLAGS_M2M,
        },
 };
 
@@ -174,24 +197,21 @@ static struct v4l2_queryctrl *get_ctrl(int id)
        return NULL;
 }
 
-int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f)
+int fimc_check_scaler_ratio(int sw, int sh, int dw, int dh, int rot)
 {
-       if (r->width > f->width) {
-               if (f->width > (r->width * SCALER_MAX_HRATIO))
-                       return -EINVAL;
-       } else {
-               if ((f->width * SCALER_MAX_HRATIO) < r->width)
-                       return -EINVAL;
-       }
+       int tx, ty;
 
-       if (r->height > f->height) {
-               if (f->height > (r->height * SCALER_MAX_VRATIO))
-                       return -EINVAL;
+       if (rot == 90 || rot == 270) {
+               ty = dw;
+               tx = dh;
        } else {
-               if ((f->height * SCALER_MAX_VRATIO) < r->height)
-                       return -EINVAL;
+               tx = dw;
+               ty = dh;
        }
 
+       if ((sw >= SCALER_MAX_HRATIO * tx) || (sh >= SCALER_MAX_VRATIO * ty))
+               return -EINVAL;
+
        return 0;
 }
 
@@ -209,11 +229,7 @@ static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
                        return 0;
                }
        }
-
        *shift = 0, *ratio = 1;
-
-       dbg("s: %d, t: %d, shift: %d, ratio: %d",
-           src, tar, *shift, *ratio);
        return 0;
 }
 
@@ -222,6 +238,7 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx)
        struct fimc_scaler *sc = &ctx->scaler;
        struct fimc_frame *s_frame = &ctx->s_frame;
        struct fimc_frame *d_frame = &ctx->d_frame;
+       struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
        int tx, ty, sx, sy;
        int ret;
 
@@ -244,10 +261,8 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx)
                err("invalid source size: %d x %d", sx, sy);
                return -EINVAL;
        }
-
        sc->real_width = sx;
        sc->real_height = sy;
-       dbg("sx= %d, sy= %d, tx= %d, ty= %d", sx, sy, tx, ty);
 
        ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor);
        if (ret)
@@ -260,8 +275,14 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx)
        sc->pre_dst_width = sx / sc->pre_hratio;
        sc->pre_dst_height = sy / sc->pre_vratio;
 
-       sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
-       sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
+       if (variant->has_mainscaler_ext) {
+               sc->main_hratio = (sx << 14) / (tx << sc->hfactor);
+               sc->main_vratio = (sy << 14) / (ty << sc->vfactor);
+       } else {
+               sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
+               sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
+
+       }
 
        sc->scaleup_h = (tx >= sx) ? 1 : 0;
        sc->scaleup_v = (ty >= sy) ? 1 : 0;
@@ -277,13 +298,74 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx)
        return 0;
 }
 
-static void fimc_capture_handler(struct fimc_dev *fimc)
+static void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state)
+{
+       struct vb2_buffer *src_vb, *dst_vb;
+       struct fimc_dev *fimc = ctx->fimc_dev;
+
+       if (!ctx || !ctx->m2m_ctx)
+               return;
+
+       src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+       dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+
+       if (src_vb && dst_vb) {
+               v4l2_m2m_buf_done(src_vb, vb_state);
+               v4l2_m2m_buf_done(dst_vb, vb_state);
+               v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx);
+       }
+}
+
+/* Complete the transaction which has been scheduled for execution. */
+static void fimc_m2m_shutdown(struct fimc_ctx *ctx)
+{
+       struct fimc_dev *fimc = ctx->fimc_dev;
+       int ret;
+
+       if (!fimc_m2m_pending(fimc))
+               return;
+
+       fimc_ctx_state_lock_set(FIMC_CTX_SHUT, ctx);
+
+       ret = wait_event_timeout(fimc->irq_queue,
+                          !fimc_ctx_state_is_set(FIMC_CTX_SHUT, ctx),
+                          FIMC_SHUTDOWN_TIMEOUT);
+       /*
+        * In case of a timeout the buffers are not released in the interrupt
+        * handler so return them here with the error flag set, if there are
+        * any on the queue.
+        */
+       if (ret == 0)
+               fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
+}
+
+static int stop_streaming(struct vb2_queue *q)
+{
+       struct fimc_ctx *ctx = q->drv_priv;
+
+       fimc_m2m_shutdown(ctx);
+
+       return 0;
+}
+
+static void fimc_capture_irq_handler(struct fimc_dev *fimc)
 {
        struct fimc_vid_cap *cap = &fimc->vid_cap;
-       struct fimc_vid_buffer *v_buf = NULL;
+       struct fimc_vid_buffer *v_buf;
+       struct timeval *tv;
+       struct timespec ts;
+
+       if (!list_empty(&cap->active_buf_q) &&
+           test_bit(ST_CAPT_RUN, &fimc->state)) {
+               ktime_get_real_ts(&ts);
 
-       if (!list_empty(&cap->active_buf_q)) {
                v_buf = active_queue_pop(cap);
+
+               tv = &v_buf->vb.v4l2_buf.timestamp;
+               tv->tv_sec = ts.tv_sec;
+               tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+               v_buf->vb.v4l2_buf.sequence = cap->frame_count++;
+
                vb2_buffer_done(&v_buf->vb, VB2_BUF_STATE_DONE);
        }
 
@@ -298,9 +380,6 @@ static void fimc_capture_handler(struct fimc_dev *fimc)
                fimc_hw_set_output_addr(fimc, &v_buf->paddr, cap->buf_index);
                v_buf->index = cap->buf_index;
 
-               dbg("hw ptr: %d, sw ptr: %d",
-                   fimc_hw_get_frame_index(fimc), cap->buf_index);
-
                /* Move the buffer to the capture active queue */
                active_queue_add(cap, v_buf);
 
@@ -309,57 +388,61 @@ static void fimc_capture_handler(struct fimc_dev *fimc)
 
                if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
                        cap->buf_index = 0;
+       }
+
+       if (cap->active_buf_cnt == 0) {
+               clear_bit(ST_CAPT_RUN, &fimc->state);
 
-       } else if (test_and_clear_bit(ST_CAPT_STREAM, &fimc->state) &&
-                  cap->active_buf_cnt <= 1) {
-               fimc_deactivate_capture(fimc);
+               if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
+                       cap->buf_index = 0;
+       } else {
+               set_bit(ST_CAPT_RUN, &fimc->state);
        }
 
-       dbg("frame: %d, active_buf_cnt= %d",
+       dbg("frame: %d, active_buf_cnt: %d",
            fimc_hw_get_frame_index(fimc), cap->active_buf_cnt);
 }
 
 static irqreturn_t fimc_isr(int irq, void *priv)
 {
        struct fimc_dev *fimc = priv;
+       struct fimc_vid_cap *cap = &fimc->vid_cap;
+       struct fimc_ctx *ctx;
 
-       BUG_ON(!fimc);
        fimc_hw_clear_irq(fimc);
 
-       spin_lock(&fimc->slock);
-
        if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
-               struct vb2_buffer *src_vb, *dst_vb;
-               struct fimc_ctx *ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
-
-               if (!ctx || !ctx->m2m_ctx)
-                       goto isr_unlock;
-
-               src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
-               dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
-               if (src_vb && dst_vb) {
-                       v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
-                       v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE);
-                       v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx);
+               ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
+               if (ctx != NULL) {
+                       fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE);
+
+                       spin_lock(&ctx->slock);
+                       if (ctx->state & FIMC_CTX_SHUT) {
+                               ctx->state &= ~FIMC_CTX_SHUT;
+                               wake_up(&fimc->irq_queue);
+                       }
+                       spin_unlock(&ctx->slock);
                }
-               goto isr_unlock;
 
+               return IRQ_HANDLED;
        }
 
-       if (test_bit(ST_CAPT_RUN, &fimc->state))
-               fimc_capture_handler(fimc);
+       spin_lock(&fimc->slock);
 
-       if (test_and_clear_bit(ST_CAPT_PEND, &fimc->state)) {
-               set_bit(ST_CAPT_RUN, &fimc->state);
-               wake_up(&fimc->irq_queue);
+       if (test_bit(ST_CAPT_PEND, &fimc->state)) {
+               fimc_capture_irq_handler(fimc);
+
+               if (cap->active_buf_cnt == 1) {
+                       fimc_deactivate_capture(fimc);
+                       clear_bit(ST_CAPT_STREAM, &fimc->state);
+               }
        }
 
-isr_unlock:
        spin_unlock(&fimc->slock);
        return IRQ_HANDLED;
 }
 
-/* The color format (planes_cnt, buff_cnt) must be already configured. */
+/* The color format (colplanes, memplanes) must be already configured. */
 int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
                      struct fimc_frame *frame, struct fimc_addr *paddr)
 {
@@ -371,13 +454,13 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
 
        pix_size = frame->width * frame->height;
 
-       dbg("buff_cnt= %d, planes_cnt= %d, frame->size= %d, pix_size= %d",
-               frame->fmt->buff_cnt, frame->fmt->planes_cnt,
-               frame->size, pix_size);
+       dbg("memplanes= %d, colplanes= %d, pix_size= %d",
+               frame->fmt->memplanes, frame->fmt->colplanes, pix_size);
+
+       paddr->y = vb2_dma_contig_plane_paddr(vb, 0);
 
-       if (frame->fmt->buff_cnt == 1) {
-               paddr->y = vb2_dma_contig_plane_paddr(vb, 0);
-               switch (frame->fmt->planes_cnt) {
+       if (frame->fmt->memplanes == 1) {
+               switch (frame->fmt->colplanes) {
                case 1:
                        paddr->cb = 0;
                        paddr->cr = 0;
@@ -400,6 +483,12 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
                default:
                        return -EINVAL;
                }
+       } else {
+               if (frame->fmt->memplanes >= 2)
+                       paddr->cb = vb2_dma_contig_plane_paddr(vb, 1);
+
+               if (frame->fmt->memplanes == 3)
+                       paddr->cr = vb2_dma_contig_plane_paddr(vb, 2);
        }
 
        dbg("PHYS_ADDR: y= 0x%X  cb= 0x%X cr= 0x%X ret= %d",
@@ -418,34 +507,34 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
        /* Set order for 1 plane input formats. */
        switch (ctx->s_frame.fmt->color) {
        case S5P_FIMC_YCRYCB422:
-               ctx->in_order_1p = S5P_FIMC_IN_YCRYCB;
+               ctx->in_order_1p = S5P_MSCTRL_ORDER422_CBYCRY;
                break;
        case S5P_FIMC_CBYCRY422:
-               ctx->in_order_1p = S5P_FIMC_IN_CBYCRY;
+               ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCRYCB;
                break;
        case S5P_FIMC_CRYCBY422:
-               ctx->in_order_1p = S5P_FIMC_IN_CRYCBY;
+               ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCBYCR;
                break;
        case S5P_FIMC_YCBYCR422:
        default:
-               ctx->in_order_1p = S5P_FIMC_IN_YCBYCR;
+               ctx->in_order_1p = S5P_MSCTRL_ORDER422_CRYCBY;
                break;
        }
        dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
 
        switch (ctx->d_frame.fmt->color) {
        case S5P_FIMC_YCRYCB422:
-               ctx->out_order_1p = S5P_FIMC_OUT_YCRYCB;
+               ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CBYCRY;
                break;
        case S5P_FIMC_CBYCRY422:
-               ctx->out_order_1p = S5P_FIMC_OUT_CBYCRY;
+               ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCRYCB;
                break;
        case S5P_FIMC_CRYCBY422:
-               ctx->out_order_1p = S5P_FIMC_OUT_CRYCBY;
+               ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCBYCR;
                break;
        case S5P_FIMC_YCBYCR422:
        default:
-               ctx->out_order_1p = S5P_FIMC_OUT_YCBYCR;
+               ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CRYCBY;
                break;
        }
        dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
@@ -454,10 +543,14 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
 static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
 {
        struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
+       u32 i, depth = 0;
+
+       for (i = 0; i < f->fmt->colplanes; i++)
+               depth += f->fmt->depth[i];
 
        f->dma_offset.y_h = f->offs_h;
        if (!variant->pix_hoff)
-               f->dma_offset.y_h *= (f->fmt->depth >> 3);
+               f->dma_offset.y_h *= (depth >> 3);
 
        f->dma_offset.y_v = f->offs_v;
 
@@ -468,7 +561,7 @@ static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
        f->dma_offset.cr_v = f->offs_v;
 
        if (!variant->pix_hoff) {
-               if (f->fmt->planes_cnt == 3) {
+               if (f->fmt->colplanes == 3) {
                        f->dma_offset.cb_h >>= 1;
                        f->dma_offset.cr_h >>= 1;
                }
@@ -548,26 +641,28 @@ static void fimc_dma_run(void *priv)
 
        ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR);
        ret = fimc_prepare_config(ctx, ctx->state);
-       if (ret) {
-               err("Wrong parameters");
+       if (ret)
                goto dma_unlock;
-       }
+
        /* Reconfigure hardware if the context has changed. */
        if (fimc->m2m.ctx != ctx) {
                ctx->state |= FIMC_PARAMS;
                fimc->m2m.ctx = ctx;
        }
 
+       spin_lock(&fimc->slock);
        fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr);
 
        if (ctx->state & FIMC_PARAMS) {
                fimc_hw_set_input_path(ctx);
                fimc_hw_set_in_dma(ctx);
-               if (fimc_set_scaler_info(ctx)) {
-                       err("Scaler setup error");
+               ret = fimc_set_scaler_info(ctx);
+               if (ret) {
+                       spin_unlock(&fimc->slock);
                        goto dma_unlock;
                }
-               fimc_hw_set_scaler(ctx);
+               fimc_hw_set_prescaler(ctx);
+               fimc_hw_set_mainscaler(ctx);
                fimc_hw_set_target_format(ctx);
                fimc_hw_set_rotation(ctx);
                fimc_hw_set_effect(ctx);
@@ -585,6 +680,7 @@ static void fimc_dma_run(void *priv)
        ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP |
                       FIMC_SRC_FMT | FIMC_DST_FMT);
        fimc_hw_activate_input_dma(fimc, true);
+       spin_unlock(&fimc->slock);
 
 dma_unlock:
        spin_unlock_irqrestore(&ctx->slock, flags);
@@ -592,25 +688,32 @@ dma_unlock:
 
 static void fimc_job_abort(void *priv)
 {
-       /* Nothing done in job_abort. */
+       fimc_m2m_shutdown(priv);
 }
 
 static int fimc_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
-                      unsigned int *num_planes, unsigned long sizes[],
-                      void *allocators[])
+                           unsigned int *num_planes, unsigned long sizes[],
+                           void *allocators[])
 {
        struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
-       struct fimc_frame *fr;
-
-       fr = ctx_get_frame(ctx, vq->type);
-       if (IS_ERR(fr))
-               return PTR_ERR(fr);
-
-       *num_planes = 1;
+       struct fimc_frame *f;
+       int i;
 
-       sizes[0] = (fr->width * fr->height * fr->fmt->depth) >> 3;
-       allocators[0] = ctx->fimc_dev->alloc_ctx;
+       f = ctx_get_frame(ctx, vq->type);
+       if (IS_ERR(f))
+               return PTR_ERR(f);
+       /*
+        * Return number of non-contigous planes (plane buffers)
+        * depending on the configured color format.
+        */
+       if (!f->fmt)
+               return -EINVAL;
 
+       *num_planes = f->fmt->memplanes;
+       for (i = 0; i < f->fmt->memplanes; i++) {
+               sizes[i] = (f->f_width * f->f_height * f->fmt->depth[i]) / 8;
+               allocators[i] = ctx->fimc_dev->alloc_ctx;
+       }
        return 0;
 }
 
@@ -618,18 +721,15 @@ static int fimc_buf_prepare(struct vb2_buffer *vb)
 {
        struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
        struct fimc_frame *frame;
+       int i;
 
        frame = ctx_get_frame(ctx, vb->vb2_queue->type);
        if (IS_ERR(frame))
                return PTR_ERR(frame);
 
-       if (vb2_plane_size(vb, 0) < frame->size) {
-               dbg("%s data will not fit into plane (%lu < %lu)\n",
-                               __func__, vb2_plane_size(vb, 0), (long)frame->size);
-               return -EINVAL;
-       }
+       for (i = 0; i < frame->fmt->memplanes; i++)
+               vb2_set_plane_payload(vb, i, frame->payload[i]);
 
-       vb2_set_plane_payload(vb, 0, frame->size);
        return 0;
 }
 
@@ -655,12 +755,13 @@ static void fimc_unlock(struct vb2_queue *vq)
        mutex_unlock(&ctx->fimc_dev->lock);
 }
 
-struct vb2_ops fimc_qops = {
+static struct vb2_ops fimc_qops = {
        .queue_setup     = fimc_queue_setup,
        .buf_prepare     = fimc_buf_prepare,
        .buf_queue       = fimc_buf_queue,
        .wait_prepare    = fimc_unlock,
        .wait_finish     = fimc_lock,
+       .stop_streaming  = stop_streaming,
 };
 
 static int fimc_m2m_querycap(struct file *file, void *priv,
@@ -672,14 +773,14 @@ static int fimc_m2m_querycap(struct file *file, void *priv,
        strncpy(cap->driver, fimc->pdev->name, sizeof(cap->driver) - 1);
        strncpy(cap->card, fimc->pdev->name, sizeof(cap->card) - 1);
        cap->bus_info[0] = 0;
-       cap->version = KERNEL_VERSION(1, 0, 0);
        cap->capabilities = V4L2_CAP_STREAMING |
-               V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT;
+               V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
+               V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
 
        return 0;
 }
 
-int fimc_vidioc_enum_fmt(struct file *file, void *priv,
+int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv,
                                struct v4l2_fmtdesc *f)
 {
        struct fimc_fmt *fmt;
@@ -694,25 +795,39 @@ int fimc_vidioc_enum_fmt(struct file *file, void *priv,
        return 0;
 }
 
-int fimc_vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
+int fimc_vidioc_g_fmt_mplane(struct file *file, void *priv,
+                            struct v4l2_format *f)
 {
        struct fimc_ctx *ctx = priv;
-       struct fimc_dev *fimc = ctx->fimc_dev;
        struct fimc_frame *frame;
+       struct v4l2_pix_format_mplane *pixm;
+       int i;
 
        frame = ctx_get_frame(ctx, f->type);
        if (IS_ERR(frame))
                return PTR_ERR(frame);
 
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
+       pixm = &f->fmt.pix_mp;
+
+       pixm->width             = frame->width;
+       pixm->height            = frame->height;
+       pixm->field             = V4L2_FIELD_NONE;
+       pixm->pixelformat       = frame->fmt->fourcc;
+       pixm->colorspace        = V4L2_COLORSPACE_JPEG;
+       pixm->num_planes        = frame->fmt->memplanes;
 
-       f->fmt.pix.width        = frame->width;
-       f->fmt.pix.height       = frame->height;
-       f->fmt.pix.field        = V4L2_FIELD_NONE;
-       f->fmt.pix.pixelformat  = frame->fmt->fourcc;
+       for (i = 0; i < pixm->num_planes; ++i) {
+               int bpl = frame->o_width;
+
+               if (frame->fmt->colplanes == 1) /* packed formats */
+                       bpl = (bpl * frame->fmt->depth[0]) / 8;
+
+               pixm->plane_fmt[i].bytesperline = bpl;
+
+               pixm->plane_fmt[i].sizeimage = (frame->o_width *
+                       frame->o_height * frame->fmt->depth[i]) / 8;
+       }
 
-       mutex_unlock(&fimc->lock);
        return 0;
 }
 
@@ -723,7 +838,7 @@ struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask)
 
        for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
                fmt = &fimc_formats[i];
-               if (fmt->fourcc == f->fmt.pix.pixelformat &&
+               if (fmt->fourcc == f->fmt.pix_mp.pixelformat &&
                   (fmt->flags & mask))
                        break;
        }
@@ -747,42 +862,40 @@ struct fimc_fmt *find_mbus_format(struct v4l2_mbus_framefmt *f,
 }
 
 
-int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
+int fimc_vidioc_try_fmt_mplane(struct file *file, void *priv,
+                              struct v4l2_format *f)
 {
        struct fimc_ctx *ctx = priv;
        struct fimc_dev *fimc = ctx->fimc_dev;
        struct samsung_fimc_variant *variant = fimc->variant;
-       struct v4l2_pix_format *pix = &f->fmt.pix;
+       struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
        struct fimc_fmt *fmt;
        u32 max_width, mod_x, mod_y, mask;
-       int ret = -EINVAL, is_output = 0;
+       int i, is_output = 0;
+
 
-       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
-               if (ctx->state & FIMC_CTX_CAP)
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+               if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx))
                        return -EINVAL;
                is_output = 1;
-       } else if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+       } else if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
                return -EINVAL;
        }
 
-       dbg("w: %d, h: %d, bpl: %d",
-           pix->width, pix->height, pix->bytesperline);
-
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
+       dbg("w: %d, h: %d", pix->width, pix->height);
 
        mask = is_output ? FMT_FLAGS_M2M : FMT_FLAGS_M2M | FMT_FLAGS_CAM;
        fmt = find_format(f, mask);
        if (!fmt) {
                v4l2_err(&fimc->m2m.v4l2_dev, "Fourcc format (0x%X) invalid.\n",
                         pix->pixelformat);
-               goto tf_out;
+               return -EINVAL;
        }
 
        if (pix->field == V4L2_FIELD_ANY)
                pix->field = V4L2_FIELD_NONE;
        else if (V4L2_FIELD_NONE != pix->field)
-               goto tf_out;
+               return -EINVAL;
 
        if (is_output) {
                max_width = variant->pix_limit->scaler_dis_w;
@@ -796,7 +909,7 @@ int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
                mod_x = 6; /* 64 x 32 pixels tile */
                mod_y = 5;
        } else {
-               if (fimc->id == 1 && fimc->variant->pix_hoff)
+               if (fimc->id == 1 && variant->pix_hoff)
                        mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
                else
                        mod_y = mod_x;
@@ -807,73 +920,74 @@ int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
        v4l_bound_align_image(&pix->width, 16, max_width, mod_x,
                &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
 
-       if (pix->bytesperline == 0 ||
-           (pix->bytesperline * 8 / fmt->depth) > pix->width)
-               pix->bytesperline = (pix->width * fmt->depth) >> 3;
+       pix->num_planes = fmt->memplanes;
+       pix->colorspace = V4L2_COLORSPACE_JPEG;
 
-       if (pix->sizeimage == 0)
-               pix->sizeimage = pix->height * pix->bytesperline;
 
-       dbg("w: %d, h: %d, bpl: %d, depth: %d",
-           pix->width, pix->height, pix->bytesperline, fmt->depth);
+       for (i = 0; i < pix->num_planes; ++i) {
+               u32 bpl = pix->plane_fmt[i].bytesperline;
+               u32 *sizeimage = &pix->plane_fmt[i].sizeimage;
 
-       ret = 0;
+               if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
+                       bpl = pix->width; /* Planar */
 
-tf_out:
-       mutex_unlock(&fimc->lock);
-       return ret;
+               if (fmt->colplanes == 1 && /* Packed */
+                   (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width))
+                       bpl = (pix->width * fmt->depth[0]) / 8;
+
+               if (i == 0) /* Same bytesperline for each plane. */
+                       mod_x = bpl;
+
+               pix->plane_fmt[i].bytesperline = mod_x;
+               *sizeimage = (pix->width * pix->height * fmt->depth[i]) / 8;
+       }
+
+       return 0;
 }
 
-static int fimc_m2m_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
+static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv,
+                                struct v4l2_format *f)
 {
        struct fimc_ctx *ctx = priv;
        struct fimc_dev *fimc = ctx->fimc_dev;
-       struct v4l2_device *v4l2_dev = &fimc->m2m.v4l2_dev;
        struct vb2_queue *vq;
        struct fimc_frame *frame;
-       struct v4l2_pix_format *pix;
-       unsigned long flags;
-       int ret = 0;
+       struct v4l2_pix_format_mplane *pix;
+       int i, ret = 0;
 
-       ret = fimc_vidioc_try_fmt(file, priv, f);
+       ret = fimc_vidioc_try_fmt_mplane(file, priv, f);
        if (ret)
                return ret;
 
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
-
        vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 
-       if (vb2_is_streaming(vq)) {
-               v4l2_err(v4l2_dev, "%s: queue (%d) busy\n", __func__, f->type);
-               ret = -EBUSY;
-               goto sf_out;
+       if (vb2_is_busy(vq)) {
+               v4l2_err(&fimc->m2m.v4l2_dev, "queue (%d) busy\n", f->type);
+               return -EBUSY;
        }
 
-       spin_lock_irqsave(&ctx->slock, flags);
-       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
                frame = &ctx->s_frame;
-               ctx->state |= FIMC_SRC_FMT;
-       } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+       } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
                frame = &ctx->d_frame;
-               ctx->state |= FIMC_DST_FMT;
        } else {
-               spin_unlock_irqrestore(&ctx->slock, flags);
-               v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
+               v4l2_err(&fimc->m2m.v4l2_dev,
                         "Wrong buffer/video queue type (%d)\n", f->type);
-               ret = -EINVAL;
-               goto sf_out;
+               return -EINVAL;
        }
-       spin_unlock_irqrestore(&ctx->slock, flags);
 
-       pix = &f->fmt.pix;
+       pix = &f->fmt.pix_mp;
        frame->fmt = find_format(f, FMT_FLAGS_M2M);
-       if (!frame->fmt) {
-               ret = -EINVAL;
-               goto sf_out;
+       if (!frame->fmt)
+               return -EINVAL;
+
+       for (i = 0; i < frame->fmt->colplanes; i++) {
+               frame->payload[i] =
+                       (pix->width * pix->height * frame->fmt->depth[i]) / 8;
        }
 
-       frame->f_width  = pix->bytesperline * 8 / frame->fmt->depth;
+       frame->f_width  = pix->plane_fmt[0].bytesperline * 8 /
+               frame->fmt->depth[0];
        frame->f_height = pix->height;
        frame->width    = pix->width;
        frame->height   = pix->height;
@@ -881,17 +995,15 @@ static int fimc_m2m_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
        frame->o_height = pix->height;
        frame->offs_h   = 0;
        frame->offs_v   = 0;
-       frame->size     = (pix->width * pix->height * frame->fmt->depth) >> 3;
 
-       spin_lock_irqsave(&ctx->slock, flags);
-       ctx->state |= FIMC_PARAMS;
-       spin_unlock_irqrestore(&ctx->slock, flags);
+       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+               fimc_ctx_state_lock_set(FIMC_PARAMS | FIMC_DST_FMT, ctx);
+       else
+               fimc_ctx_state_lock_set(FIMC_PARAMS | FIMC_SRC_FMT, ctx);
 
        dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height);
 
-sf_out:
-       mutex_unlock(&fimc->lock);
-       return ret;
+       return 0;
 }
 
 static int fimc_m2m_reqbufs(struct file *file, void *priv,
@@ -929,8 +1041,12 @@ static int fimc_m2m_streamon(struct file *file, void *priv,
        struct fimc_ctx *ctx = priv;
 
        /* The source and target color format need to be set */
-       if (~ctx->state & (FIMC_DST_FMT | FIMC_SRC_FMT))
+       if (V4L2_TYPE_IS_OUTPUT(type)) {
+               if (!fimc_ctx_state_is_set(FIMC_SRC_FMT, ctx))
+                       return -EINVAL;
+       } else if (!fimc_ctx_state_is_set(FIMC_DST_FMT, ctx)) {
                return -EINVAL;
+       }
 
        return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
 }
@@ -955,12 +1071,9 @@ int fimc_vidioc_queryctrl(struct file *file, void *priv,
                return 0;
        }
 
-       if (ctx->state & FIMC_CTX_CAP) {
-               if (mutex_lock_interruptible(&ctx->fimc_dev->lock))
-                       return -ERESTARTSYS;
-               ret = v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd,
+       if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) {
+               return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd,
                                        core, queryctrl, qc);
-               mutex_unlock(&ctx->fimc_dev->lock);
        }
        return ret;
 }
@@ -970,10 +1083,6 @@ int fimc_vidioc_g_ctrl(struct file *file, void *priv,
 {
        struct fimc_ctx *ctx = priv;
        struct fimc_dev *fimc = ctx->fimc_dev;
-       int ret = 0;
-
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
 
        switch (ctrl->id) {
        case V4L2_CID_HFLIP:
@@ -986,19 +1095,17 @@ int fimc_vidioc_g_ctrl(struct file *file, void *priv,
                ctrl->value = ctx->rotation;
                break;
        default:
-               if (ctx->state & FIMC_CTX_CAP) {
-                       ret = v4l2_subdev_call(fimc->vid_cap.sd, core,
-                                      g_ctrl, ctrl);
+               if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) {
+                       return v4l2_subdev_call(fimc->vid_cap.sd, core,
+                                               g_ctrl, ctrl);
                } else {
-                       v4l2_err(&fimc->m2m.v4l2_dev,
-                                "Invalid control\n");
-                       ret = -EINVAL;
+                       v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n");
+                       return -EINVAL;
                }
        }
        dbg("ctrl->value= %d", ctrl->value);
 
-       mutex_unlock(&fimc->lock);
-       return ret;
+       return 0;
 }
 
 int check_ctrl_val(struct fimc_ctx *ctx,  struct v4l2_control *ctrl)
@@ -1022,16 +1129,7 @@ int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl)
 {
        struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
        struct fimc_dev *fimc = ctx->fimc_dev;
-       unsigned long flags;
-
-       if (ctx->rotation != 0 &&
-           (ctrl->id == V4L2_CID_HFLIP || ctrl->id == V4L2_CID_VFLIP)) {
-               v4l2_err(&fimc->m2m.v4l2_dev,
-                        "Simultaneous flip and rotation is not supported\n");
-               return -EINVAL;
-       }
-
-       spin_lock_irqsave(&ctx->slock, flags);
+       int ret = 0;
 
        switch (ctrl->id) {
        case V4L2_CID_HFLIP:
@@ -1049,29 +1147,36 @@ int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl)
                break;
 
        case V4L2_CID_ROTATE:
+               if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) {
+                       ret = fimc_check_scaler_ratio(ctx->s_frame.width,
+                                       ctx->s_frame.height, ctx->d_frame.width,
+                                       ctx->d_frame.height, ctrl->value);
+               }
+
+               if (ret) {
+                       v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range\n");
+                       return -EINVAL;
+               }
+
                /* Check for the output rotator availability */
                if ((ctrl->value == 90 || ctrl->value == 270) &&
-                   (ctx->in_path == FIMC_DMA && !variant->has_out_rot)) {
-                       spin_unlock_irqrestore(&ctx->slock, flags);
+                   (ctx->in_path == FIMC_DMA && !variant->has_out_rot))
                        return -EINVAL;
-               } else {
-                       ctx->rotation = ctrl->value;
-               }
+               ctx->rotation = ctrl->value;
                break;
 
        default:
-               spin_unlock_irqrestore(&ctx->slock, flags);
                v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n");
                return -EINVAL;
        }
-       ctx->state |= FIMC_PARAMS;
-       spin_unlock_irqrestore(&ctx->slock, flags);
+
+       fimc_ctx_state_lock_set(FIMC_PARAMS, ctx);
 
        return 0;
 }
 
 static int fimc_m2m_s_ctrl(struct file *file, void *priv,
-                        struct v4l2_control *ctrl)
+                          struct v4l2_control *ctrl)
 {
        struct fimc_ctx *ctx = priv;
        int ret = 0;
@@ -1089,22 +1194,17 @@ static int fimc_m2m_cropcap(struct file *file, void *fh,
 {
        struct fimc_frame *frame;
        struct fimc_ctx *ctx = fh;
-       struct fimc_dev *fimc = ctx->fimc_dev;
 
        frame = ctx_get_frame(ctx, cr->type);
        if (IS_ERR(frame))
                return PTR_ERR(frame);
 
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
-
        cr->bounds.left         = 0;
        cr->bounds.top          = 0;
        cr->bounds.width        = frame->f_width;
        cr->bounds.height       = frame->f_height;
        cr->defrect             = cr->bounds;
 
-       mutex_unlock(&fimc->lock);
        return 0;
 }
 
@@ -1112,21 +1212,16 @@ static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr)
 {
        struct fimc_frame *frame;
        struct fimc_ctx *ctx = file->private_data;
-       struct fimc_dev *fimc = ctx->fimc_dev;
 
        frame = ctx_get_frame(ctx, cr->type);
        if (IS_ERR(frame))
                return PTR_ERR(frame);
 
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
-
        cr->c.left = frame->offs_h;
        cr->c.top = frame->offs_v;
        cr->c.width = frame->width;
        cr->c.height = frame->height;
 
-       mutex_unlock(&fimc->lock);
        return 0;
 }
 
@@ -1134,7 +1229,9 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
 {
        struct fimc_dev *fimc = ctx->fimc_dev;
        struct fimc_frame *f;
-       u32 min_size, halign;
+       u32 min_size, halign, depth = 0;
+       bool is_capture_ctx;
+       int i;
 
        if (cr->c.top < 0 || cr->c.left < 0) {
                v4l2_err(&fimc->m2m.v4l2_dev,
@@ -1142,10 +1239,12 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
                return -EINVAL;
        }
 
-       if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-               f = (ctx->state & FIMC_CTX_CAP) ? &ctx->s_frame : &ctx->d_frame;
-       else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-                ctx->state & FIMC_CTX_M2M)
+       is_capture_ctx = fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx);
+
+       if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+               f = is_capture_ctx ? &ctx->s_frame : &ctx->d_frame;
+       else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
+                !is_capture_ctx)
                f = &ctx->s_frame;
        else
                return -EINVAL;
@@ -1153,21 +1252,24 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
        min_size = (f == &ctx->s_frame) ?
                fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
 
-       if (ctx->state & FIMC_CTX_M2M) {
+       /* Get pixel alignment constraints. */
+       if (is_capture_ctx) {
+               min_size = 16;
+               halign = 4;
+       } else {
                if (fimc->id == 1 && fimc->variant->pix_hoff)
                        halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
                else
                        halign = ffs(min_size) - 1;
-       /* there are more strict aligment requirements at camera interface */
-       } else {
-               min_size = 16;
-               halign = 4;
        }
 
+       for (i = 0; i < f->fmt->colplanes; i++)
+               depth += f->fmt->depth[i];
+
        v4l_bound_align_image(&cr->c.width, min_size, f->o_width,
                              ffs(min_size) - 1,
                              &cr->c.height, min_size, f->o_height,
-                             halign, 64/(ALIGN(f->fmt->depth, 8)));
+                             halign, 64/(ALIGN(depth, 8)));
 
        /* adjust left/top if cropping rectangle is out of bounds */
        if (cr->c.left + cr->c.width > f->o_width)
@@ -1176,8 +1278,7 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
                cr->c.top = f->o_height - cr->c.height;
 
        cr->c.left = round_down(cr->c.left, min_size);
-       cr->c.top  = round_down(cr->c.top,
-                               ctx->state & FIMC_CTX_M2M ? 8 : 16);
+       cr->c.top  = round_down(cr->c.top, is_capture_ctx ? 16 : 8);
 
        dbg("l:%d, t:%d, w:%d, h:%d, f_w: %d, f_h: %d",
            cr->c.left, cr->c.top, cr->c.width, cr->c.height,
@@ -1186,12 +1287,10 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
        return 0;
 }
 
-
 static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
 {
        struct fimc_ctx *ctx = file->private_data;
        struct fimc_dev *fimc = ctx->fimc_dev;
-       unsigned long flags;
        struct fimc_frame *f;
        int ret;
 
@@ -1199,52 +1298,52 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
        if (ret)
                return ret;
 
-       f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
+       f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ?
                &ctx->s_frame : &ctx->d_frame;
 
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
-
-       spin_lock_irqsave(&ctx->slock, flags);
-       if (~ctx->state & (FIMC_SRC_FMT | FIMC_DST_FMT)) {
-               /* Check to see if scaling ratio is within supported range */
-               if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
-                       ret = fimc_check_scaler_ratio(&cr->c, &ctx->d_frame);
-               else
-                       ret = fimc_check_scaler_ratio(&cr->c, &ctx->s_frame);
+       /* Check to see if scaling ratio is within supported range */
+       if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) {
+               if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+                       ret = fimc_check_scaler_ratio(cr->c.width, cr->c.height,
+                                                     ctx->d_frame.width,
+                                                     ctx->d_frame.height,
+                                                     ctx->rotation);
+               } else {
+                       ret = fimc_check_scaler_ratio(ctx->s_frame.width,
+                                                     ctx->s_frame.height,
+                                                     cr->c.width, cr->c.height,
+                                                     ctx->rotation);
+               }
                if (ret) {
-                       v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range");
-                       ret = -EINVAL;
-                       goto scr_unlock;
+                       v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range\n");
+                       return -EINVAL;
                }
        }
-       ctx->state |= FIMC_PARAMS;
 
        f->offs_h = cr->c.left;
        f->offs_v = cr->c.top;
        f->width  = cr->c.width;
        f->height = cr->c.height;
 
-scr_unlock:
-       spin_unlock_irqrestore(&ctx->slock, flags);
-       mutex_unlock(&fimc->lock);
+       fimc_ctx_state_lock_set(FIMC_PARAMS, ctx);
+
        return 0;
 }
 
 static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = {
        .vidioc_querycap                = fimc_m2m_querycap,
 
-       .vidioc_enum_fmt_vid_cap        = fimc_vidioc_enum_fmt,
-       .vidioc_enum_fmt_vid_out        = fimc_vidioc_enum_fmt,
+       .vidioc_enum_fmt_vid_cap_mplane = fimc_vidioc_enum_fmt_mplane,
+       .vidioc_enum_fmt_vid_out_mplane = fimc_vidioc_enum_fmt_mplane,
 
-       .vidioc_g_fmt_vid_cap           = fimc_vidioc_g_fmt,
-       .vidioc_g_fmt_vid_out           = fimc_vidioc_g_fmt,
+       .vidioc_g_fmt_vid_cap_mplane    = fimc_vidioc_g_fmt_mplane,
+       .vidioc_g_fmt_vid_out_mplane    = fimc_vidioc_g_fmt_mplane,
 
-       .vidioc_try_fmt_vid_cap         = fimc_vidioc_try_fmt,
-       .vidioc_try_fmt_vid_out         = fimc_vidioc_try_fmt,
+       .vidioc_try_fmt_vid_cap_mplane  = fimc_vidioc_try_fmt_mplane,
+       .vidioc_try_fmt_vid_out_mplane  = fimc_vidioc_try_fmt_mplane,
 
-       .vidioc_s_fmt_vid_cap           = fimc_m2m_s_fmt,
-       .vidioc_s_fmt_vid_out           = fimc_m2m_s_fmt,
+       .vidioc_s_fmt_vid_cap_mplane    = fimc_m2m_s_fmt_mplane,
+       .vidioc_s_fmt_vid_out_mplane    = fimc_m2m_s_fmt_mplane,
 
        .vidioc_reqbufs                 = fimc_m2m_reqbufs,
        .vidioc_querybuf                = fimc_m2m_querybuf,
@@ -1265,7 +1364,8 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = {
 
 };
 
-static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+static int queue_init(void *priv, struct vb2_queue *src_vq,
+                     struct vb2_queue *dst_vq)
 {
        struct fimc_ctx *ctx = priv;
        int ret;
@@ -1297,10 +1397,6 @@ static int fimc_m2m_open(struct file *file)
 {
        struct fimc_dev *fimc = video_drvdata(file);
        struct fimc_ctx *ctx = NULL;
-       int err = 0;
-
-       if (mutex_lock_interruptible(&fimc->lock))
-               return -ERESTARTSYS;
 
        dbg("pid: %d, state: 0x%lx, refcnt: %d",
                task_pid_nr(current), fimc->state, fimc->vid_cap.refcnt);
@@ -1309,19 +1405,15 @@ static int fimc_m2m_open(struct file *file)
         * Return if the corresponding video capture node
         * is already opened.
         */
-       if (fimc->vid_cap.refcnt > 0) {
-               err = -EBUSY;
-               goto err_unlock;
-       }
+       if (fimc->vid_cap.refcnt > 0)
+               return -EBUSY;
 
        fimc->m2m.refcnt++;
        set_bit(ST_OUTDMA_RUN, &fimc->state);
 
        ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
-       if (!ctx) {
-               err = -ENOMEM;
-               goto err_unlock;
-       }
+       if (!ctx)
+               return -ENOMEM;
 
        file->private_data = ctx;
        ctx->fimc_dev = fimc;
@@ -1337,13 +1429,12 @@ static int fimc_m2m_open(struct file *file)
 
        ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init);
        if (IS_ERR(ctx->m2m_ctx)) {
-               err = PTR_ERR(ctx->m2m_ctx);
+               int err = PTR_ERR(ctx->m2m_ctx);
                kfree(ctx);
+               return err;
        }
 
-err_unlock:
-       mutex_unlock(&fimc->lock);
-       return err;
+       return 0;
 }
 
 static int fimc_m2m_release(struct file *file)
@@ -1351,8 +1442,6 @@ static int fimc_m2m_release(struct file *file)
        struct fimc_ctx *ctx = file->private_data;
        struct fimc_dev *fimc = ctx->fimc_dev;
 
-       mutex_lock(&fimc->lock);
-
        dbg("pid: %d, state: 0x%lx, refcnt= %d",
                task_pid_nr(current), fimc->state, fimc->m2m.refcnt);
 
@@ -1361,7 +1450,6 @@ static int fimc_m2m_release(struct file *file)
        if (--fimc->m2m.refcnt <= 0)
                clear_bit(ST_OUTDMA_RUN, &fimc->state);
 
-       mutex_unlock(&fimc->lock);
        return 0;
 }
 
@@ -1427,6 +1515,7 @@ static int fimc_register_m2m_device(struct fimc_dev *fimc)
        vfd->ioctl_ops  = &fimc_m2m_ioctl_ops;
        vfd->minor      = -1;
        vfd->release    = video_device_release;
+       vfd->lock       = &fimc->lock;
 
        snprintf(vfd->name, sizeof(vfd->name), "%s:m2m", dev_name(&pdev->dev));
 
@@ -1475,7 +1564,7 @@ static void fimc_unregister_m2m_device(struct fimc_dev *fimc)
 static void fimc_clk_release(struct fimc_dev *fimc)
 {
        int i;
-       for (i = 0; i < NUM_FIMC_CLOCKS; i++) {
+       for (i = 0; i < fimc->num_clocks; i++) {
                if (fimc->clock[i]) {
                        clk_disable(fimc->clock[i]);
                        clk_put(fimc->clock[i]);
@@ -1486,15 +1575,16 @@ static void fimc_clk_release(struct fimc_dev *fimc)
 static int fimc_clk_get(struct fimc_dev *fimc)
 {
        int i;
-       for (i = 0; i < NUM_FIMC_CLOCKS; i++) {
-               fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clock_name[i]);
-               if (IS_ERR(fimc->clock[i])) {
-                       dev_err(&fimc->pdev->dev,
-                               "failed to get fimc clock: %s\n",
-                               fimc_clock_name[i]);
-                       return -ENXIO;
+       for (i = 0; i < fimc->num_clocks; i++) {
+               fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
+
+               if (!IS_ERR_OR_NULL(fimc->clock[i])) {
+                       clk_enable(fimc->clock[i]);
+                       continue;
                }
-               clk_enable(fimc->clock[i]);
+               dev_err(&fimc->pdev->dev, "failed to get fimc clock: %s\n",
+                       fimc_clocks[i]);
+               return -ENXIO;
        }
        return 0;
 }
@@ -1504,7 +1594,9 @@ static int fimc_probe(struct platform_device *pdev)
        struct fimc_dev *fimc;
        struct resource *res;
        struct samsung_fimc_driverdata *drv_data;
+       struct s5p_platform_fimc *pdata;
        int ret = 0;
+       int cap_input_index = -1;
 
        dev_dbg(&pdev->dev, "%s():\n", __func__);
 
@@ -1524,7 +1616,8 @@ static int fimc_probe(struct platform_device *pdev)
        fimc->id = pdev->id;
        fimc->variant = drv_data->variant[fimc->id];
        fimc->pdev = pdev;
-       fimc->pdata = pdev->dev.platform_data;
+       pdata = pdev->dev.platform_data;
+       fimc->pdata = pdata;
        fimc->state = ST_IDLE;
 
        init_waitqueue_head(&fimc->irq_queue);
@@ -1554,10 +1647,18 @@ static int fimc_probe(struct platform_device *pdev)
                goto err_req_region;
        }
 
+       fimc->num_clocks = MAX_FIMC_CLOCKS - 1;
+
+       /* Check if a video capture node needs to be registered. */
+       if (pdata && pdata->num_clients > 0) {
+               cap_input_index = 0;
+               fimc->num_clocks++;
+       }
+
        ret = fimc_clk_get(fimc);
        if (ret)
                goto err_regs_unmap;
-       clk_set_rate(fimc->clock[0], drv_data->lclk_frequency);
+       clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency);
 
        res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        if (!res) {
@@ -1587,19 +1688,12 @@ static int fimc_probe(struct platform_device *pdev)
                goto err_irq;
 
        /* At least one camera sensor is required to register capture node */
-       if (fimc->pdata) {
-               int i;
-               for (i = 0; i < FIMC_MAX_CAMIF_CLIENTS; ++i)
-                       if (fimc->pdata->isp_info[i])
-                               break;
-
-               if (i < FIMC_MAX_CAMIF_CLIENTS) {
-                       ret = fimc_register_capture_device(fimc);
-                       if (ret)
-                               goto err_m2m;
-               }
+       if (cap_input_index >= 0) {
+               ret = fimc_register_capture_device(fimc);
+               if (ret)
+                       goto err_m2m;
+               clk_disable(fimc->clock[CLK_CAM]);
        }
-
        /*
         * Exclude the additional output DMA address registers by masking
         * them out on HW revisions that provide extended capabilites.
@@ -1654,7 +1748,7 @@ static int __devexit fimc_remove(struct platform_device *pdev)
 }
 
 /* Image pixel limits, similar across several FIMC HW revisions. */
-static struct fimc_pix_limit s5p_pix_limit[3] = {
+static struct fimc_pix_limit s5p_pix_limit[4] = {
        [0] = {
                .scaler_en_w    = 3264,
                .scaler_dis_w   = 8192,
@@ -1679,6 +1773,14 @@ static struct fimc_pix_limit s5p_pix_limit[3] = {
                .out_rot_en_w   = 1280,
                .out_rot_dis_w  = 1920,
        },
+       [3] = {
+               .scaler_en_w    = 1920,
+               .scaler_dis_w   = 8192,
+               .in_rot_en_h    = 1366,
+               .in_rot_dis_w   = 8192,
+               .out_rot_en_w   = 1366,
+               .out_rot_dis_w  = 1920,
+       },
 };
 
 static struct samsung_fimc_variant fimc0_variant_s5p = {
@@ -1714,6 +1816,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
        .pix_hoff        = 1,
        .has_inp_rot     = 1,
        .has_out_rot     = 1,
+       .has_mainscaler_ext = 1,
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 1,
@@ -1730,11 +1833,12 @@ static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
        .pix_limit       = &s5p_pix_limit[2],
 };
 
-static struct samsung_fimc_variant fimc0_variant_s5pv310 = {
+static struct samsung_fimc_variant fimc0_variant_exynos4 = {
        .pix_hoff        = 1,
        .has_inp_rot     = 1,
        .has_out_rot     = 1,
        .has_cistatus2   = 1,
+       .has_mainscaler_ext = 1,
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 1,
@@ -1742,14 +1846,15 @@ static struct samsung_fimc_variant fimc0_variant_s5pv310 = {
        .pix_limit       = &s5p_pix_limit[1],
 };
 
-static struct samsung_fimc_variant fimc2_variant_s5pv310 = {
+static struct samsung_fimc_variant fimc2_variant_exynos4 = {
        .pix_hoff        = 1,
        .has_cistatus2   = 1,
+       .has_mainscaler_ext = 1,
        .min_inp_pixsize = 16,
        .min_out_pixsize = 16,
        .hor_offs_align  = 1,
        .out_buf_count   = 32,
-       .pix_limit       = &s5p_pix_limit[2],
+       .pix_limit       = &s5p_pix_limit[3],
 };
 
 /* S5PC100 */
@@ -1775,12 +1880,12 @@ static struct samsung_fimc_driverdata fimc_drvdata_s5pv210 = {
 };
 
 /* S5PV310, S5PC210 */
-static struct samsung_fimc_driverdata fimc_drvdata_s5pv310 = {
+static struct samsung_fimc_driverdata fimc_drvdata_exynos4 = {
        .variant = {
-               [0] = &fimc0_variant_s5pv310,
-               [1] = &fimc0_variant_s5pv310,
-               [2] = &fimc0_variant_s5pv310,
-               [3] = &fimc2_variant_s5pv310,
+               [0] = &fimc0_variant_exynos4,
+               [1] = &fimc0_variant_exynos4,
+               [2] = &fimc0_variant_exynos4,
+               [3] = &fimc2_variant_exynos4,
        },
        .num_entities = 4,
        .lclk_frequency = 166000000UL,
@@ -1794,8 +1899,8 @@ static struct platform_device_id fimc_driver_ids[] = {
                .name           = "s5pv210-fimc",
                .driver_data    = (unsigned long)&fimc_drvdata_s5pv210,
        }, {
-               .name           = "s5pv310-fimc",
-               .driver_data    = (unsigned long)&fimc_drvdata_s5pv310,
+               .name           = "exynos4-fimc",
+               .driver_data    = (unsigned long)&fimc_drvdata_exynos4,
        },
        {},
 };
@@ -1830,3 +1935,4 @@ module_exit(fimc_exit);
 MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
 MODULE_DESCRIPTION("S5P FIMC camera host interface/video postprocessor driver");
 MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0.1");