This adds encoder part of the driver plus encoder controls.

Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
---
 drivers/media/platform/qcom/venus/venc.c       | 1099 ++++++++++++++++++++++++
 drivers/media/platform/qcom/venus/venc.h       |   32 +
 drivers/media/platform/qcom/venus/venc_ctrls.c |  258 ++++++
 3 files changed, 1389 insertions(+)
 create mode 100644 drivers/media/platform/qcom/venus/venc.c
 create mode 100644 drivers/media/platform/qcom/venus/venc.h
 create mode 100644 drivers/media/platform/qcom/venus/venc_ctrls.c

diff --git a/drivers/media/platform/qcom/venus/venc.c 
b/drivers/media/platform/qcom/venus/venc.c
new file mode 100644
index 000000000000..4cecaf386723
--- /dev/null
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -0,0 +1,1099 @@
+/*
+ * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2016 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-sg.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+
+#include "core.h"
+#include "helpers.h"
+#include "venc.h"
+
+#define NUM_B_FRAMES_MAX       4
+
+static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 
height)
+{
+       u32 y_stride, uv_stride, y_plane;
+       u32 y_sclines, uv_sclines, uv_plane;
+       u32 size;
+
+       y_stride = ALIGN(width, 128);
+       uv_stride = ALIGN(width, 128);
+       y_sclines = ALIGN(height, 32);
+       uv_sclines = ALIGN(((height + 1) >> 1), 16);
+
+       y_plane = y_stride * y_sclines;
+       uv_plane = uv_stride * uv_sclines + SZ_4K;
+       size = y_plane + uv_plane + SZ_8K;
+       size = ALIGN(size, SZ_4K);
+
+       return size;
+}
+
+static u32 get_framesize_compressed(u32 width, u32 height)
+{
+       u32 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
+
+       return ALIGN(sz, SZ_4K);
+}
+
+static const struct venus_format venc_formats[] = {
+       {
+               .pixfmt = V4L2_PIX_FMT_NV12,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_MPEG4,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_H263,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_H264,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_VP8,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+       },
+};
+
+static const struct venus_format *find_format(u32 pixfmt, int type)
+{
+       const struct venus_format *fmt = venc_formats;
+       unsigned int size = ARRAY_SIZE(venc_formats);
+       unsigned int i;
+
+       for (i = 0; i < size; i++) {
+               if (fmt[i].pixfmt == pixfmt)
+                       break;
+       }
+
+       if (i == size || fmt[i].type != type)
+               return NULL;
+
+       return &fmt[i];
+}
+
+static const struct venus_format *find_format_by_index(int index, int type)
+{
+       const struct venus_format *fmt = venc_formats;
+       unsigned int size = ARRAY_SIZE(venc_formats);
+       int i, k = 0;
+
+       if (index < 0 || index > size)
+               return NULL;
+
+       for (i = 0; i < size; i++) {
+               if (fmt[i].type != type)
+                       continue;
+               if (k == index)
+                       break;
+               k++;
+       }
+
+       if (i == size)
+               return NULL;
+
+       return &fmt[i];
+}
+
+static int venc_v4l2_to_hfi(int id, int value)
+{
+       switch (id) {
+       case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+               switch (value) {
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
+               default:
+                       return HFI_MPEG4_LEVEL_0;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
+                       return HFI_MPEG4_LEVEL_0b;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
+                       return HFI_MPEG4_LEVEL_1;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
+                       return HFI_MPEG4_LEVEL_2;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
+                       return HFI_MPEG4_LEVEL_3;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
+                       return HFI_MPEG4_LEVEL_4;
+               case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
+                       return HFI_MPEG4_LEVEL_5;
+               }
+       case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+               switch (value) {
+               case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
+               default:
+                       return HFI_MPEG4_PROFILE_SIMPLE;
+               case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
+                       return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
+               }
+       case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+               switch (value) {
+               case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
+                       return HFI_H264_PROFILE_BASELINE;
+               case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
+                       return HFI_H264_PROFILE_CONSTRAINED_BASE;
+               case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
+                       return HFI_H264_PROFILE_MAIN;
+               case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
+               default:
+                       return HFI_H264_PROFILE_HIGH;
+               }
+       case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+               switch (value) {
+               case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
+                       return HFI_H264_LEVEL_1;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
+                       return HFI_H264_LEVEL_1b;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
+                       return HFI_H264_LEVEL_11;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
+                       return HFI_H264_LEVEL_12;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
+                       return HFI_H264_LEVEL_13;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
+                       return HFI_H264_LEVEL_2;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
+                       return HFI_H264_LEVEL_21;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
+                       return HFI_H264_LEVEL_22;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
+                       return HFI_H264_LEVEL_3;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
+                       return HFI_H264_LEVEL_31;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
+                       return HFI_H264_LEVEL_32;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
+                       return HFI_H264_LEVEL_4;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
+                       return HFI_H264_LEVEL_41;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
+                       return HFI_H264_LEVEL_42;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
+               default:
+                       return HFI_H264_LEVEL_5;
+               case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
+                       return HFI_H264_LEVEL_51;
+               }
+       case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
+               switch (value) {
+               case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
+               default:
+                       return HFI_H264_ENTROPY_CAVLC;
+               case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
+                       return HFI_H264_ENTROPY_CABAC;
+               }
+       case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+               switch (value) {
+               case 0:
+               default:
+                       return HFI_VPX_PROFILE_VERSION_0;
+               case 1:
+                       return HFI_VPX_PROFILE_VERSION_1;
+               case 2:
+                       return HFI_VPX_PROFILE_VERSION_2;
+               case 3:
+                       return HFI_VPX_PROFILE_VERSION_3;
+               }
+       }
+
+       return 0;
+}
+
+static int
+venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+       strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
+       strlcpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
+       strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
+
+       return 0;
+}
+
+static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+       const struct venus_format *fmt;
+
+       fmt = find_format_by_index(f->index, f->type);
+
+       memset(f->reserved, 0, sizeof(f->reserved));
+
+       if (!fmt)
+               return -EINVAL;
+
+       f->pixelformat = fmt->pixfmt;
+
+       return 0;
+}
+
+static const struct venus_format *
+venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
+{
+       struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+       struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
+       const struct venus_format *fmt;
+       unsigned int p;
+
+       memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
+       memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
+
+       fmt = find_format(pixmp->pixelformat, f->type);
+       if (!fmt) {
+               if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+                       pixmp->pixelformat = V4L2_PIX_FMT_H264;
+               else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+                       pixmp->pixelformat = V4L2_PIX_FMT_NV12;
+               else
+                       return NULL;
+               fmt = find_format(pixmp->pixelformat, f->type);
+               pixmp->width = 1280;
+               pixmp->height = 720;
+       }
+
+       pixmp->width = clamp(pixmp->width, inst->cap_width.min,
+                            inst->cap_width.max);
+       pixmp->height = clamp(pixmp->height, inst->cap_height.min,
+                             inst->cap_height.max);
+
+       pixmp->height = ALIGN(pixmp->height, 32);
+
+       if (pixmp->field == V4L2_FIELD_ANY)
+               pixmp->field = V4L2_FIELD_NONE;
+       pixmp->num_planes = fmt->num_planes;
+       pixmp->flags = 0;
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+               for (p = 0; p < pixmp->num_planes; p++) {
+                       pfmt[p].sizeimage =
+                               get_framesize_uncompressed(p, pixmp->width,
+                                                          pixmp->height);
+
+                       pfmt[p].bytesperline = ALIGN(pixmp->width, 128);
+               }
+       } else {
+               pfmt[0].sizeimage = get_framesize_compressed(pixmp->width,
+                                                            pixmp->height);
+               pfmt[0].bytesperline = 0;
+       }
+
+       return fmt;
+}
+
+static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       venc_try_fmt_common(inst, f);
+
+       return 0;
+}
+
+static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+       struct venus_inst *inst = to_inst(file);
+       struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+       struct v4l2_pix_format_mplane orig_pixmp;
+       const struct venus_format *fmt;
+       struct v4l2_format format;
+       u32 pixfmt_out = 0, pixfmt_cap = 0;
+
+       orig_pixmp = *pixmp;
+
+       fmt = venc_try_fmt_common(inst, f);
+       if (!fmt)
+               return -EINVAL;
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+               pixfmt_out = pixmp->pixelformat;
+               pixfmt_cap = inst->fmt_cap->pixfmt;
+       } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+               pixfmt_cap = pixmp->pixelformat;
+               pixfmt_out = inst->fmt_out->pixfmt;
+       }
+
+       memset(&format, 0, sizeof(format));
+
+       format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+       format.fmt.pix_mp.pixelformat = pixfmt_out;
+       format.fmt.pix_mp.width = orig_pixmp.width;
+       format.fmt.pix_mp.height = orig_pixmp.height;
+       venc_try_fmt_common(inst, &format);
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+               inst->out_width = format.fmt.pix_mp.width;
+               inst->out_height = format.fmt.pix_mp.height;
+               inst->colorspace = pixmp->colorspace;
+               inst->ycbcr_enc = pixmp->ycbcr_enc;
+               inst->quantization = pixmp->quantization;
+               inst->xfer_func = pixmp->xfer_func;
+       }
+
+       memset(&format, 0, sizeof(format));
+
+       format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+       format.fmt.pix_mp.pixelformat = pixfmt_cap;
+       format.fmt.pix_mp.width = orig_pixmp.width;
+       format.fmt.pix_mp.height = orig_pixmp.height;
+       venc_try_fmt_common(inst, &format);
+
+       inst->width = format.fmt.pix_mp.width;
+       inst->height = format.fmt.pix_mp.height;
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               inst->fmt_out = fmt;
+       else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+               inst->fmt_cap = fmt;
+
+       return 0;
+}
+
+static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+       struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+       struct venus_inst *inst = to_inst(file);
+       const struct venus_format *fmt;
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+               fmt = inst->fmt_cap;
+       else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               fmt = inst->fmt_out;
+       else
+               return -EINVAL;
+
+       pixmp->pixelformat = fmt->pixfmt;
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+               pixmp->width = inst->width;
+               pixmp->height = inst->height;
+               pixmp->colorspace = inst->colorspace;
+               pixmp->ycbcr_enc = inst->ycbcr_enc;
+               pixmp->quantization = inst->quantization;
+               pixmp->xfer_func = inst->xfer_func;
+       } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+               pixmp->width = inst->out_width;
+               pixmp->height = inst->out_height;
+       }
+
+       venc_try_fmt_common(inst, f);
+
+       return 0;
+}
+
+static int
+venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+               return -EINVAL;
+
+       switch (s->target) {
+       case V4L2_SEL_TGT_CROP_DEFAULT:
+       case V4L2_SEL_TGT_CROP_BOUNDS:
+               s->r.width = inst->width;
+               s->r.height = inst->height;
+               break;
+       case V4L2_SEL_TGT_CROP:
+               s->r.width = inst->out_width;
+               s->r.height = inst->out_height;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       s->r.top = 0;
+       s->r.left = 0;
+
+       return 0;
+}
+
+static int
+venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+               return -EINVAL;
+
+       switch (s->target) {
+       case V4L2_SEL_TGT_CROP:
+               if (s->r.width != inst->out_width ||
+                   s->r.height != inst->out_height ||
+                   s->r.top != 0 || s->r.left != 0)
+                       return -EINVAL;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+       struct venus_inst *inst = to_inst(file);
+       struct v4l2_outputparm *out = &a->parm.output;
+       struct v4l2_fract *timeperframe = &out->timeperframe;
+       u64 us_per_frame, fps;
+
+       if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+           a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               return -EINVAL;
+
+       memset(out->reserved, 0, sizeof(out->reserved));
+
+       if (!timeperframe->denominator)
+               timeperframe->denominator = inst->timeperframe.denominator;
+       if (!timeperframe->numerator)
+               timeperframe->numerator = inst->timeperframe.numerator;
+
+       out->capability = V4L2_CAP_TIMEPERFRAME;
+
+       us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
+       do_div(us_per_frame, timeperframe->denominator);
+
+       if (!us_per_frame)
+               return -EINVAL;
+
+       fps = (u64)USEC_PER_SEC;
+       do_div(fps, us_per_frame);
+
+       inst->timeperframe = *timeperframe;
+       inst->fps = fps;
+
+       return 0;
+}
+
+static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+           a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               return -EINVAL;
+
+       a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
+       a->parm.output.timeperframe = inst->timeperframe;
+
+       return 0;
+}
+
+static int venc_enum_framesizes(struct file *file, void *fh,
+                               struct v4l2_frmsizeenum *fsize)
+{
+       struct venus_inst *inst = to_inst(file);
+       const struct venus_format *fmt;
+
+       fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+
+       fmt = find_format(fsize->pixel_format,
+                         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+       if (!fmt) {
+               fmt = find_format(fsize->pixel_format,
+                                 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+               if (!fmt)
+                       return -EINVAL;
+       }
+
+       if (fsize->index)
+               return -EINVAL;
+
+       fsize->stepwise.min_width = inst->cap_width.min;
+       fsize->stepwise.max_width = inst->cap_width.max;
+       fsize->stepwise.step_width = inst->cap_width.step_size;
+       fsize->stepwise.min_height = inst->cap_height.min;
+       fsize->stepwise.max_height = inst->cap_height.max;
+       fsize->stepwise.step_height = inst->cap_height.step_size;
+
+       return 0;
+}
+
+static int venc_enum_frameintervals(struct file *file, void *fh,
+                                   struct v4l2_frmivalenum *fival)
+{
+       struct venus_inst *inst = to_inst(file);
+       const struct venus_format *fmt;
+
+       fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
+
+       fmt = find_format(fival->pixel_format,
+                         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+       if (!fmt) {
+               fmt = find_format(fival->pixel_format,
+                                 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+               if (!fmt)
+                       return -EINVAL;
+       }
+
+       if (fival->index)
+               return -EINVAL;
+
+       if (!fival->width || !fival->height)
+               return -EINVAL;
+
+       if (fival->width > inst->cap_width.max ||
+           fival->width < inst->cap_width.min ||
+           fival->height > inst->cap_height.max ||
+           fival->height < inst->cap_height.min)
+               return -EINVAL;
+
+       fival->stepwise.min.numerator = 1;
+       fival->stepwise.min.denominator = inst->cap_framerate.max;
+       fival->stepwise.max.numerator = 1;
+       fival->stepwise.max.denominator = inst->cap_framerate.min;
+       fival->stepwise.step.numerator = 1;
+       fival->stepwise.step.denominator = inst->cap_framerate.max;
+
+       return 0;
+}
+
+static const struct v4l2_ioctl_ops venc_ioctl_ops = {
+       .vidioc_querycap = venc_querycap,
+       .vidioc_enum_fmt_vid_cap_mplane = venc_enum_fmt,
+       .vidioc_enum_fmt_vid_out_mplane = venc_enum_fmt,
+       .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
+       .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
+       .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
+       .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
+       .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
+       .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
+       .vidioc_g_selection = venc_g_selection,
+       .vidioc_s_selection = venc_s_selection,
+       .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+       .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+       .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+       .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+       .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+       .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+       .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+       .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+       .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+       .vidioc_s_parm = venc_s_parm,
+       .vidioc_g_parm = venc_g_parm,
+       .vidioc_enum_framesizes = venc_enum_framesizes,
+       .vidioc_enum_frameintervals = venc_enum_frameintervals,
+       .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+       .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static int venc_set_properties(struct venus_inst *inst)
+{
+       struct venc_controls *ctr = &inst->controls.enc;
+       struct hfi_intra_period intra_period;
+       struct hfi_profile_level pl;
+       struct hfi_framerate frate;
+       struct hfi_bitrate brate;
+       struct hfi_idr_period idrp;
+       u32 ptype, rate_control, bitrate, profile = 0, level = 0;
+       int ret;
+
+       ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
+       frate.buffer_type = HFI_BUFFER_OUTPUT;
+       frate.framerate = inst->fps * (1 << 16);
+
+       ret = hfi_session_set_property(inst, ptype, &frate);
+       if (ret)
+               return ret;
+
+       if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
+               struct hfi_h264_vui_timing_info info;
+
+               ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
+               info.enable = 1;
+               info.fixed_framerate = 1;
+               info.time_scale = NSEC_PER_SEC;
+
+               ret = hfi_session_set_property(inst, ptype, &info);
+               if (ret)
+                       return ret;
+       }
+
+       ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
+       idrp.idr_period = ctr->gop_size;
+       ret = hfi_session_set_property(inst, ptype, &idrp);
+       if (ret)
+               return ret;
+
+       if (ctr->num_b_frames) {
+               u32 max_num_b_frames = NUM_B_FRAMES_MAX;
+
+               ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
+               ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
+               if (ret)
+                       return ret;
+       }
+
+       /* intra_period = pframes + bframes + 1 */
+       if (!ctr->num_p_frames)
+               ctr->num_p_frames = 2 * 15 - 1,
+
+       ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
+       intra_period.pframes = ctr->num_p_frames;
+       intra_period.bframes = ctr->num_b_frames;
+
+       ret = hfi_session_set_property(inst, ptype, &intra_period);
+       if (ret)
+               return ret;
+
+       if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
+               rate_control = HFI_RATE_CONTROL_VBR_CFR;
+       else
+               rate_control = HFI_RATE_CONTROL_CBR_CFR;
+
+       ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
+       ret = hfi_session_set_property(inst, ptype, &rate_control);
+       if (ret)
+               return ret;
+
+       if (!ctr->bitrate)
+               bitrate = 64000;
+       else
+               bitrate = ctr->bitrate;
+
+       ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
+       brate.bitrate = bitrate;
+       brate.layer_id = 0;
+
+       ret = hfi_session_set_property(inst, ptype, &brate);
+       if (ret)
+               return ret;
+
+       if (!ctr->bitrate_peak)
+               bitrate *= 2;
+       else
+               bitrate = ctr->bitrate_peak;
+
+       ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
+       brate.bitrate = bitrate;
+       brate.layer_id = 0;
+
+       ret = hfi_session_set_property(inst, ptype, &brate);
+       if (ret)
+               return ret;
+
+       if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
+               profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+                                          ctr->profile);
+               level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+                                        ctr->level);
+       } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
+               profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VPX_PROFILE,
+                                          ctr->profile);
+               level = 0;
+       } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
+               profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
+                                          ctr->profile);
+               level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
+                                        ctr->level);
+       } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
+               profile = 0;
+               level = 0;
+       }
+
+       ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
+       pl.profile = profile;
+       pl.level = level;
+
+       ret = hfi_session_set_property(inst, ptype, &pl);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static int venc_init_session(struct venus_inst *inst)
+{
+       int ret;
+
+       ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
+       if (ret)
+               return ret;
+
+       ret = helper_set_input_resolution(inst, inst->out_width,
+                                         inst->out_height);
+       if (ret)
+               goto deinit;
+
+       ret = helper_set_output_resolution(inst, inst->width, inst->height);
+       if (ret)
+               goto deinit;
+
+       ret = helper_set_color_format(inst, inst->fmt_out->pixfmt);
+       if (ret)
+               goto deinit;
+
+       return 0;
+deinit:
+       hfi_session_deinit(inst);
+       return ret;
+}
+
+static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
+{
+       struct hfi_buffer_requirements bufreq;
+       struct device *dev = inst->core->dev;
+       int ret, ret2;
+
+       ret = pm_runtime_get_sync(dev);
+       if (ret < 0)
+               return ret;
+
+       ret = venc_init_session(inst);
+       if (ret)
+               goto put_sync;
+
+       ret = helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
+
+       *num = bufreq.count_actual;
+
+       hfi_session_deinit(inst);
+
+put_sync:
+       ret2 = pm_runtime_put_sync(dev);
+
+       return ret ? ret : ret2;
+}
+
+static int venc_queue_setup(struct vb2_queue *q,
+                           unsigned int *num_buffers, unsigned int *num_planes,
+                           unsigned int sizes[], struct device *alloc_devs[])
+{
+       struct venus_inst *inst = vb2_get_drv_priv(q);
+       unsigned int p, num, min = 4;
+       int ret = 0;
+
+       switch (q->type) {
+       case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+               *num_planes = inst->fmt_out->num_planes;
+
+               ret = venc_out_num_buffers(inst, &num);
+               if (ret)
+                       break;
+
+               num = max(num, min);
+               *num_buffers = max(*num_buffers, num);
+               inst->num_input_bufs = *num_buffers;
+
+               for (p = 0; p < *num_planes; ++p)
+                       sizes[p] = get_framesize_uncompressed(p, inst->width,
+                                                             inst->height);
+               break;
+       case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+               *num_planes = inst->fmt_cap->num_planes;
+               *num_buffers = max(*num_buffers, min);
+               inst->num_output_bufs = *num_buffers;
+               sizes[0] = get_framesize_compressed(inst->width, inst->height);
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+static int venc_verify_conf(struct venus_inst *inst)
+{
+       struct hfi_buffer_requirements bufreq;
+       int ret;
+
+       if (!inst->num_input_bufs || !inst->num_output_bufs)
+               return -EINVAL;
+
+       ret = helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
+       if (ret)
+               return ret;
+
+       if (inst->num_output_bufs < bufreq.count_actual ||
+           inst->num_output_bufs < bufreq.count_min)
+               return -EINVAL;
+
+       ret = helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
+       if (ret)
+               return ret;
+
+       if (inst->num_input_bufs < bufreq.count_actual ||
+           inst->num_input_bufs < bufreq.count_min)
+               return -EINVAL;
+
+       return 0;
+}
+
+static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+       struct venus_inst *inst = vb2_get_drv_priv(q);
+       struct device *dev = inst->core->dev;
+       int ret;
+
+       mutex_lock(&inst->lock);
+
+       if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               inst->streamon_out = 1;
+       else
+               inst->streamon_cap = 1;
+
+       if (!(inst->streamon_out & inst->streamon_cap)) {
+               mutex_unlock(&inst->lock);
+               return 0;
+       }
+
+       inst->sequence = 0;
+
+       ret = pm_runtime_get_sync(dev);
+       if (ret < 0)
+               return ret;
+
+       ret = venc_init_session(inst);
+       if (ret)
+               goto put_sync;
+
+       ret = venc_set_properties(inst);
+       if (ret)
+               goto deinit_sess;
+
+       ret = venc_verify_conf(inst);
+       if (ret)
+               goto deinit_sess;
+
+       ret = helper_set_num_bufs(inst, inst->num_input_bufs,
+                                 inst->num_output_bufs);
+       if (ret)
+               goto deinit_sess;
+
+       ret = helper_vb2_start_streaming(inst);
+       if (ret)
+               goto deinit_sess;
+
+       mutex_unlock(&inst->lock);
+
+       return 0;
+
+deinit_sess:
+       hfi_session_deinit(inst);
+put_sync:
+       pm_runtime_put_sync(dev);
+       helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
+       if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+               inst->streamon_out = 0;
+       else
+               inst->streamon_cap = 0;
+       mutex_unlock(&inst->lock);
+       return ret;
+}
+
+static const struct vb2_ops venc_vb2_ops = {
+       .queue_setup = venc_queue_setup,
+       .buf_init = helper_vb2_buf_init,
+       .buf_prepare = helper_vb2_buf_prepare,
+       .start_streaming = venc_start_streaming,
+       .stop_streaming = helper_vb2_stop_streaming,
+       .buf_queue = helper_vb2_buf_queue,
+};
+
+static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
+                         u32 tag, u32 bytesused, u32 data_offset, u32 flags,
+                         u64 timestamp_us)
+{
+       struct vb2_v4l2_buffer *vbuf;
+       struct vb2_buffer *vb;
+       unsigned int type;
+
+       if (buf_type == HFI_BUFFER_INPUT)
+               type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+       else
+               type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+
+       vbuf = helper_find_buf(inst, type, tag);
+       if (!vbuf)
+               return;
+
+       vb = &vbuf->vb2_buf;
+       vb->planes[0].bytesused = bytesused;
+       vb->planes[0].data_offset = data_offset;
+
+       vbuf->flags = flags;
+
+       if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+               vb->timestamp = timestamp_us * NSEC_PER_USEC;
+               vbuf->sequence = inst->sequence++;
+       }
+
+       v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+}
+
+static void venc_event_notify(struct venus_inst *inst, u32 event,
+                             struct hfi_event_data *data)
+{
+       struct device *dev = inst->core->dev;
+
+       if (event == EVT_SESSION_ERROR) {
+               inst->session_error = true;
+               dev_err(dev, "enc: event session error %x)\n", inst->error);
+       }
+}
+
+static const struct hfi_inst_ops venc_hfi_ops = {
+       .buf_done = venc_buf_done,
+       .event_notify = venc_event_notify,
+};
+
+static const struct v4l2_m2m_ops venc_m2m_ops = {
+       .device_run = helper_m2m_device_run,
+       .job_abort = helper_m2m_job_abort,
+};
+
+static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
+                         struct vb2_queue *dst_vq)
+{
+       struct venus_inst *inst = priv;
+       int ret;
+
+       src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+       src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+       src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+       src_vq->ops = &venc_vb2_ops;
+       src_vq->mem_ops = &vb2_dma_sg_memops;
+       src_vq->drv_priv = inst;
+       src_vq->buf_struct_size = sizeof(struct venus_buffer);
+       src_vq->allow_zero_bytesused = 1;
+       src_vq->min_buffers_needed = 1;
+       src_vq->dev = inst->core->dev;
+       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->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+       dst_vq->ops = &venc_vb2_ops;
+       dst_vq->mem_ops = &vb2_dma_sg_memops;
+       dst_vq->drv_priv = inst;
+       dst_vq->buf_struct_size = sizeof(struct venus_buffer);
+       dst_vq->allow_zero_bytesused = 1;
+       dst_vq->min_buffers_needed = 1;
+       dst_vq->dev = inst->core->dev;
+       ret = vb2_queue_init(dst_vq);
+       if (ret) {
+               vb2_queue_release(src_vq);
+               return ret;
+       }
+
+       return 0;
+}
+
+static void venc_inst_init(struct venus_inst *inst)
+{
+       inst->fmt_cap = &venc_formats[2];
+       inst->fmt_out = &venc_formats[0];
+       inst->width = 1280;
+       inst->height = ALIGN(720, 32);
+       inst->fps = 15;
+       inst->timeperframe.numerator = 1;
+       inst->timeperframe.denominator = 15;
+
+       inst->cap_width.min = 64;
+       inst->cap_width.max = 1920;
+       inst->cap_width.step_size = 1;
+       inst->cap_height.min = 64;
+       inst->cap_height.max = ALIGN(1080, 32);
+       inst->cap_height.step_size = 1;
+       inst->cap_framerate.min = 1;
+       inst->cap_framerate.max = 30;
+       inst->cap_framerate.step_size = 1;
+       inst->cap_mbs_per_frame.min = 16;
+       inst->cap_mbs_per_frame.max = 8160;
+}
+
+int venc_init(struct venus_core *core, struct video_device *enc,
+             const struct v4l2_file_operations *fops)
+{
+       int ret;
+
+       enc->release = video_device_release;
+       enc->fops = fops;
+       enc->ioctl_ops = &venc_ioctl_ops;
+       enc->vfl_dir = VFL_DIR_M2M;
+       enc->v4l2_dev = &core->v4l2_dev;
+       enc->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+
+       ret = video_register_device(enc, VFL_TYPE_GRABBER, -1);
+       if (ret)
+               return ret;
+
+       video_set_drvdata(enc, core);
+
+       return 0;
+}
+
+void venc_deinit(struct venus_core *core, struct video_device *enc)
+{
+       video_unregister_device(enc);
+}
+
+int venc_open(struct venus_inst *inst)
+{
+       int ret;
+
+       ret = venc_ctrl_init(inst);
+       if (ret)
+               return ret;
+
+       ret = hfi_session_create(inst, &venc_hfi_ops);
+       if (ret)
+               goto err_ctrl_deinit;
+
+       venc_inst_init(inst);
+
+       /*
+        * create m2m device for every instance, the m2m context scheduling
+        * is made by firmware side so we do not need to care about.
+        */
+       inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
+       if (IS_ERR(inst->m2m_dev)) {
+               ret = PTR_ERR(inst->m2m_dev);
+               goto err_session_destroy;
+       }
+
+       inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
+       if (IS_ERR(inst->m2m_ctx)) {
+               ret = PTR_ERR(inst->m2m_ctx);
+               goto err_m2m_release;
+       }
+
+       return 0;
+
+err_m2m_release:
+       v4l2_m2m_release(inst->m2m_dev);
+err_session_destroy:
+       hfi_session_destroy(inst);
+err_ctrl_deinit:
+       venc_ctrl_deinit(inst);
+       return ret;
+}
+
+void venc_close(struct venus_inst *inst)
+{
+       v4l2_m2m_ctx_release(inst->m2m_ctx);
+       v4l2_m2m_release(inst->m2m_dev);
+       venc_ctrl_deinit(inst);
+       hfi_session_destroy(inst);
+}
diff --git a/drivers/media/platform/qcom/venus/venc.h 
b/drivers/media/platform/qcom/venus/venc.h
new file mode 100644
index 000000000000..48f2f571dc10
--- /dev/null
+++ b/drivers/media/platform/qcom/venus/venc.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2016 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifndef __VENUS_VENC_H__
+#define __VENUS_VENC_H__
+
+struct venus_core;
+struct video_device;
+struct venus_inst;
+struct v4l2_file_operations;
+
+int venc_init(struct venus_core *core, struct video_device *enc,
+             const struct v4l2_file_operations *fops);
+void venc_deinit(struct venus_core *core, struct video_device *enc);
+int venc_open(struct venus_inst *inst);
+void venc_close(struct venus_inst *inst);
+
+int venc_ctrl_init(struct venus_inst *inst);
+void venc_ctrl_deinit(struct venus_inst *inst);
+
+#endif
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c 
b/drivers/media/platform/qcom/venus/venc_ctrls.c
new file mode 100644
index 000000000000..4950442744cf
--- /dev/null
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2016 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/types.h>
+#include <media/v4l2-ctrls.h>
+
+#include "core.h"
+
+#define BITRATE_MIN            32000
+#define BITRATE_MAX            160000000
+#define BITRATE_DEFAULT                1000000
+#define BITRATE_DEFAULT_PEAK   (BITRATE_DEFAULT * 2)
+#define BITRATE_STEP           100
+#define SLICE_BYTE_SIZE_MAX    1024
+#define SLICE_BYTE_SIZE_MIN    1024
+#define SLICE_MB_SIZE_MAX      300
+#define INTRA_REFRESH_MBS_MAX  300
+#define AT_SLICE_BOUNDARY      \
+       V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY
+
+static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct venus_inst *inst = ctrl_to_inst(ctrl);
+       struct venc_controls *ctr = &inst->controls.enc;
+
+       switch (ctrl->id) {
+       case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+               ctr->bitrate_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_BITRATE:
+               ctr->bitrate = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+               ctr->bitrate_peak = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
+               ctr->h264_entropy_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+               ctr->profile = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+       case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+               ctr->level = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
+               ctr->h264_i_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
+               ctr->h264_p_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
+               ctr->h264_b_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
+               ctr->h264_min_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
+               ctr->h264_max_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
+               ctr->multi_slice_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
+               ctr->multi_slice_max_bytes = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
+               ctr->multi_slice_max_mb = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
+               ctr->h264_loop_filter_alpha = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
+               ctr->h264_loop_filter_beta = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
+               ctr->h264_loop_filter_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
+               ctr->header_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
+               break;
+       case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+               ctr->gop_size = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
+               ctr->h264_i_period = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_VPX_MIN_QP:
+               ctr->vp8_min_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_VPX_MAX_QP:
+               ctr->vp8_max_qp = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_B_FRAMES:
+               ctr->num_b_frames = ctrl->val;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static const struct v4l2_ctrl_ops venc_ctrl_ops = {
+       .s_ctrl = venc_op_s_ctrl,
+};
+
+int venc_ctrl_init(struct venus_inst *inst)
+{
+       int ret;
+
+       ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 27);
+       if (ret)
+               return ret;
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
+               V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
+               ~((1 << V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) |
+                 (1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)),
+               V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
+               V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC,
+               0, V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
+               V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
+               ~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
+                 (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
+               V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
+               V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
+               0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+               V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
+               ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
+                 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
+                 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
+                 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
+                 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
+                 (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
+               V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+               V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
+               0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
+               AT_SLICE_BOUNDARY,
+               0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_HEADER_MODE,
+               V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
+               1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
+               V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
+
+       v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
+               V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES,
+               0, V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_BITRATE, BITRATE_MIN, BITRATE_MAX,
+               BITRATE_STEP, BITRATE_DEFAULT);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, BITRATE_MIN, BITRATE_MAX,
+               BITRATE_STEP, BITRATE_DEFAULT_PEAK);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 0, 3, 1, 0);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 26);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 28);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, 1, 51, 1, 30);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 1, 51, 1, 1);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 1, 51, 1, 51);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, SLICE_BYTE_SIZE_MIN,
+               SLICE_BYTE_SIZE_MAX, 1, SLICE_BYTE_SIZE_MIN);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1,
+               SLICE_MB_SIZE_MAX, 1, 1);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB,
+               0, INTRA_REFRESH_MBS_MAX, 1, 0);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, (1 << 16) - 1, 1, 12);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_VPX_MIN_QP, 1, 128, 1, 1);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_VPX_MAX_QP, 1, 128, 1, 128);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0);
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);
+
+       ret = inst->ctrl_handler.error;
+       if (ret) {
+               v4l2_ctrl_handler_free(&inst->ctrl_handler);
+               return ret;
+       }
+
+       return 0;
+}
+
+void venc_ctrl_deinit(struct venus_inst *inst)
+{
+       v4l2_ctrl_handler_free(&inst->ctrl_handler);
+}
-- 
2.7.4

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