[media] media: venus: vdec: add video decoder files
authorStanimir Varbanov <stanimir.varbanov@linaro.org>
Thu, 15 Jun 2017 16:31:46 +0000 (13:31 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 20 Jun 2017 11:53:39 +0000 (08:53 -0300)
This consists of video decoder implementation plus decoder
controls.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/qcom/venus/vdec.c [new file with mode: 0644]
drivers/media/platform/qcom/venus/vdec.h [new file with mode: 0644]
drivers/media/platform/qcom/venus/vdec_ctrls.c [new file with mode: 0644]

diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
new file mode 100644 (file)
index 0000000..96e7e7e
--- /dev/null
@@ -0,0 +1,1154 @@
+/*
+ * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2017 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/clk.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-sg.h>
+
+#include "hfi_venus_io.h"
+#include "core.h"
+#include "helpers.h"
+#include "vdec.h"
+
+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;
+
+       return ALIGN(size, SZ_4K);
+}
+
+static u32 get_framesize_compressed(unsigned int width, unsigned int height)
+{
+       return ((width * height * 3 / 2) / 2) + 128;
+}
+
+/*
+ * Three resons to keep MPLANE formats (despite that the number of planes
+ * currently is one):
+ * - the MPLANE formats allow only one plane to be used
+ * - the downstream driver use MPLANE formats too
+ * - future firmware versions could add support for >1 planes
+ */
+static const struct venus_format vdec_formats[] = {
+       {
+               .pixfmt = V4L2_PIX_FMT_NV12,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_MPEG4,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_MPEG2,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_H263,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_H264,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_VP8,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_VP9,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       }, {
+               .pixfmt = V4L2_PIX_FMT_XVID,
+               .num_planes = 1,
+               .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+       },
+};
+
+static const struct venus_format *find_format(u32 pixfmt, u32 type)
+{
+       const struct venus_format *fmt = vdec_formats;
+       unsigned int size = ARRAY_SIZE(vdec_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(unsigned int index, u32 type)
+{
+       const struct venus_format *fmt = vdec_formats;
+       unsigned int size = ARRAY_SIZE(vdec_formats);
+       unsigned int i, k = 0;
+
+       if (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 const struct venus_format *
+vdec_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_NV12;
+               else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+                       pixmp->pixelformat = V4L2_PIX_FMT_H264;
+               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);
+
+       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+               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_CAPTURE_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 vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       vdec_try_fmt_common(inst, f);
+
+       return 0;
+}
+
+static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+       struct venus_inst *inst = to_inst(file);
+       const struct venus_format *fmt = NULL;
+       struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+
+       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;
+
+       if (inst->reconfig) {
+               struct v4l2_format format = {};
+
+               inst->out_width = inst->reconfig_width;
+               inst->out_height = inst->reconfig_height;
+               inst->reconfig = false;
+
+               format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+               format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
+               format.fmt.pix_mp.width = inst->out_width;
+               format.fmt.pix_mp.height = inst->out_height;
+
+               vdec_try_fmt_common(inst, &format);
+
+               inst->width = format.fmt.pix_mp.width;
+               inst->height = format.fmt.pix_mp.height;
+       }
+
+       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;
+       }
+
+       vdec_try_fmt_common(inst, f);
+
+       return 0;
+}
+
+static int vdec_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 = vdec_try_fmt_common(inst, f);
+
+       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;
+       vdec_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;
+       vdec_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
+vdec_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_CAPTURE &&
+           s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+               return -EINVAL;
+
+       switch (s->target) {
+       case V4L2_SEL_TGT_CROP_BOUNDS:
+       case V4L2_SEL_TGT_CROP_DEFAULT:
+       case V4L2_SEL_TGT_CROP:
+               if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+                       return -EINVAL;
+               s->r.width = inst->out_width;
+               s->r.height = inst->out_height;
+               break;
+       case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+       case V4L2_SEL_TGT_COMPOSE_PADDED:
+               if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+                       return -EINVAL;
+               s->r.width = inst->width;
+               s->r.height = inst->height;
+               break;
+       case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+       case V4L2_SEL_TGT_COMPOSE:
+               if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+                       return -EINVAL;
+               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
+vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+       strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
+       strlcpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
+       strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
+
+       return 0;
+}
+
+static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+       const struct venus_format *fmt;
+
+       memset(f->reserved, 0, sizeof(f->reserved));
+
+       fmt = find_format_by_index(f->index, f->type);
+       if (!fmt)
+               return -EINVAL;
+
+       f->pixelformat = fmt->pixfmt;
+
+       return 0;
+}
+
+static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+       struct venus_inst *inst = to_inst(file);
+       struct v4l2_captureparm *cap = &a->parm.capture;
+       struct v4l2_fract *timeperframe = &cap->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(cap->reserved, 0, sizeof(cap->reserved));
+       if (!timeperframe->denominator)
+               timeperframe->denominator = inst->timeperframe.denominator;
+       if (!timeperframe->numerator)
+               timeperframe->numerator = inst->timeperframe.numerator;
+       cap->readbuffers = 0;
+       cap->extendedmode = 0;
+       cap->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->fps = fps;
+       inst->timeperframe = *timeperframe;
+
+       return 0;
+}
+
+static int vdec_enum_framesizes(struct file *file, void *fh,
+                               struct v4l2_frmsizeenum *fsize)
+{
+       struct venus_inst *inst = to_inst(file);
+       const struct venus_format *fmt;
+
+       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->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+
+       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 vdec_subscribe_event(struct v4l2_fh *fh,
+                               const struct v4l2_event_subscription *sub)
+{
+       switch (sub->type) {
+       case V4L2_EVENT_EOS:
+               return v4l2_event_subscribe(fh, sub, 2, NULL);
+       case V4L2_EVENT_SOURCE_CHANGE:
+               return v4l2_src_change_event_subscribe(fh, sub);
+       case V4L2_EVENT_CTRL:
+               return v4l2_ctrl_subscribe_event(fh, sub);
+       default:
+               return -EINVAL;
+       }
+}
+
+static int
+vdec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
+{
+       if (cmd->cmd != V4L2_DEC_CMD_STOP)
+               return -EINVAL;
+
+       return 0;
+}
+
+static int
+vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
+{
+       struct venus_inst *inst = to_inst(file);
+       int ret;
+
+       ret = vdec_try_decoder_cmd(file, fh, cmd);
+       if (ret)
+               return ret;
+
+       mutex_lock(&inst->lock);
+       inst->cmd_stop = true;
+       mutex_unlock(&inst->lock);
+
+       hfi_session_flush(inst);
+
+       return 0;
+}
+
+static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
+       .vidioc_querycap = vdec_querycap,
+       .vidioc_enum_fmt_vid_cap_mplane = vdec_enum_fmt,
+       .vidioc_enum_fmt_vid_out_mplane = vdec_enum_fmt,
+       .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
+       .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
+       .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
+       .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
+       .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
+       .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
+       .vidioc_g_selection = vdec_g_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 = vdec_s_parm,
+       .vidioc_enum_framesizes = vdec_enum_framesizes,
+       .vidioc_subscribe_event = vdec_subscribe_event,
+       .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+       .vidioc_try_decoder_cmd = vdec_try_decoder_cmd,
+       .vidioc_decoder_cmd = vdec_decoder_cmd,
+};
+
+static int vdec_set_properties(struct venus_inst *inst)
+{
+       struct vdec_controls *ctr = &inst->controls.dec;
+       struct venus_core *core = inst->core;
+       struct hfi_enable en = { .enable = 1 };
+       u32 ptype;
+       int ret;
+
+       if (core->res->hfi_version == HFI_VERSION_1XX) {
+               ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
+               ret = hfi_session_set_property(inst, ptype, &en);
+               if (ret)
+                       return ret;
+       }
+
+       if (core->res->hfi_version == HFI_VERSION_3XX ||
+           inst->cap_bufs_mode_dynamic) {
+               struct hfi_buffer_alloc_mode mode;
+
+               ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
+               mode.type = HFI_BUFFER_OUTPUT;
+               mode.mode = HFI_BUFFER_MODE_DYNAMIC;
+
+               ret = hfi_session_set_property(inst, ptype, &mode);
+               if (ret)
+                       return ret;
+       }
+
+       if (ctr->post_loop_deb_mode) {
+               ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
+               en.enable = 1;
+               ret = hfi_session_set_property(inst, ptype, &en);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
+static int vdec_init_session(struct venus_inst *inst)
+{
+       int ret;
+
+       ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
+       if (ret)
+               return ret;
+
+       ret = venus_helper_set_input_resolution(inst, inst->out_width,
+                                               inst->out_height);
+       if (ret)
+               goto deinit;
+
+       ret = venus_helper_set_color_format(inst, inst->fmt_cap->pixfmt);
+       if (ret)
+               goto deinit;
+
+       return 0;
+deinit:
+       hfi_session_deinit(inst);
+       return ret;
+}
+
+static int vdec_cap_num_buffers(struct venus_inst *inst, unsigned int *num)
+{
+       struct hfi_buffer_requirements bufreq;
+       int ret;
+
+       ret = vdec_init_session(inst);
+       if (ret)
+               return ret;
+
+       ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
+
+       *num = bufreq.count_actual;
+
+       hfi_session_deinit(inst);
+
+       return ret;
+}
+
+static int vdec_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;
+       int ret = 0;
+
+       if (*num_planes) {
+               if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
+                   *num_planes != inst->fmt_out->num_planes)
+                       return -EINVAL;
+
+               if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+                   *num_planes != inst->fmt_cap->num_planes)
+                       return -EINVAL;
+
+               if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
+                   sizes[0] < inst->input_buf_size)
+                       return -EINVAL;
+
+               if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+                   sizes[0] < inst->output_buf_size)
+                       return -EINVAL;
+
+               return 0;
+       }
+
+       switch (q->type) {
+       case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+               *num_planes = inst->fmt_out->num_planes;
+               sizes[0] = get_framesize_compressed(inst->out_width,
+                                                   inst->out_height);
+               inst->input_buf_size = sizes[0];
+               inst->num_input_bufs = *num_buffers;
+               break;
+       case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+               *num_planes = inst->fmt_cap->num_planes;
+
+               ret = vdec_cap_num_buffers(inst, &num);
+               if (ret)
+                       break;
+
+               *num_buffers = max(*num_buffers, num);
+
+               for (p = 0; p < *num_planes; p++)
+                       sizes[p] = get_framesize_uncompressed(p, inst->width,
+                                                             inst->height);
+
+               inst->num_output_bufs = *num_buffers;
+               inst->output_buf_size = sizes[0];
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+static int vdec_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 = venus_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 = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
+       if (ret)
+               return ret;
+
+       if (inst->num_input_bufs < bufreq.count_min)
+               return -EINVAL;
+
+       return 0;
+}
+
+static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+       struct venus_inst *inst = vb2_get_drv_priv(q);
+       struct venus_core *core = inst->core;
+       u32 ptype;
+       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;
+       }
+
+       venus_helper_init_instance(inst);
+
+       inst->reconfig = false;
+       inst->sequence_cap = 0;
+       inst->sequence_out = 0;
+       inst->cmd_stop = false;
+
+       ret = vdec_init_session(inst);
+       if (ret)
+               goto bufs_done;
+
+       ret = vdec_set_properties(inst);
+       if (ret)
+               goto deinit_sess;
+
+       if (core->res->hfi_version == HFI_VERSION_3XX) {
+               struct hfi_buffer_size_actual buf_sz;
+
+               ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL;
+               buf_sz.type = HFI_BUFFER_OUTPUT;
+               buf_sz.size = inst->output_buf_size;
+
+               ret = hfi_session_set_property(inst, ptype, &buf_sz);
+               if (ret)
+                       goto deinit_sess;
+       }
+
+       ret = vdec_verify_conf(inst);
+       if (ret)
+               goto deinit_sess;
+
+       ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
+                                       VB2_MAX_FRAME);
+       if (ret)
+               goto deinit_sess;
+
+       ret = venus_helper_vb2_start_streaming(inst);
+       if (ret)
+               goto deinit_sess;
+
+       mutex_unlock(&inst->lock);
+
+       return 0;
+
+deinit_sess:
+       hfi_session_deinit(inst);
+bufs_done:
+       venus_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 vdec_vb2_ops = {
+       .queue_setup = vdec_queue_setup,
+       .buf_init = venus_helper_vb2_buf_init,
+       .buf_prepare = venus_helper_vb2_buf_prepare,
+       .start_streaming = vdec_start_streaming,
+       .stop_streaming = venus_helper_vb2_stop_streaming,
+       .buf_queue = venus_helper_vb2_buf_queue,
+};
+
+static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
+                         u32 tag, u32 bytesused, u32 data_offset, u32 flags,
+                         u32 hfi_flags, u64 timestamp_us)
+{
+       enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
+       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 = venus_helper_find_buf(inst, type, tag);
+       if (!vbuf)
+               return;
+
+       vbuf->flags = flags;
+       vbuf->field = V4L2_FIELD_NONE;
+
+       if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+               vb = &vbuf->vb2_buf;
+               vb->planes[0].bytesused =
+                       max_t(unsigned int, inst->output_buf_size, bytesused);
+               vb->planes[0].data_offset = data_offset;
+               vb->timestamp = timestamp_us * NSEC_PER_USEC;
+               vbuf->sequence = inst->sequence_cap++;
+
+               if (inst->cmd_stop) {
+                       vbuf->flags |= V4L2_BUF_FLAG_LAST;
+                       inst->cmd_stop = false;
+               }
+
+               if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
+                       const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
+
+                       v4l2_event_queue_fh(&inst->fh, &ev);
+               }
+       } else {
+               vbuf->sequence = inst->sequence_out++;
+       }
+
+       if (hfi_flags & HFI_BUFFERFLAG_READONLY)
+               venus_helper_acquire_buf_ref(vbuf);
+
+       if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
+               state = VB2_BUF_STATE_ERROR;
+
+       v4l2_m2m_buf_done(vbuf, state);
+}
+
+static void vdec_event_notify(struct venus_inst *inst, u32 event,
+                             struct hfi_event_data *data)
+{
+       struct venus_core *core = inst->core;
+       struct device *dev = core->dev_dec;
+       static const struct v4l2_event ev = {
+               .type = V4L2_EVENT_SOURCE_CHANGE,
+               .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
+
+       switch (event) {
+       case EVT_SESSION_ERROR:
+               inst->session_error = true;
+               dev_err(dev, "dec: event session error %x\n", inst->error);
+               break;
+       case EVT_SYS_EVENT_CHANGE:
+               switch (data->event_type) {
+               case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
+                       hfi_session_continue(inst);
+                       dev_dbg(dev, "event sufficient resources\n");
+                       break;
+               case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
+                       inst->reconfig_height = data->height;
+                       inst->reconfig_width = data->width;
+                       inst->reconfig = true;
+
+                       v4l2_event_queue_fh(&inst->fh, &ev);
+
+                       dev_dbg(dev, "event not sufficient resources (%ux%u)\n",
+                               data->width, data->height);
+                       break;
+               case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
+                       venus_helper_release_buf_ref(inst, data->tag);
+                       break;
+               default:
+                       break;
+               }
+               break;
+       default:
+               break;
+       }
+}
+
+static const struct hfi_inst_ops vdec_hfi_ops = {
+       .buf_done = vdec_buf_done,
+       .event_notify = vdec_event_notify,
+};
+
+static void vdec_inst_init(struct venus_inst *inst)
+{
+       inst->fmt_out = &vdec_formats[6];
+       inst->fmt_cap = &vdec_formats[0];
+       inst->width = 1280;
+       inst->height = ALIGN(720, 32);
+       inst->out_width = 1280;
+       inst->out_height = 720;
+       inst->fps = 30;
+       inst->timeperframe.numerator = 1;
+       inst->timeperframe.denominator = 30;
+
+       inst->cap_width.min = 64;
+       inst->cap_width.max = 1920;
+       if (inst->core->res->hfi_version == HFI_VERSION_3XX)
+               inst->cap_width.max = 3840;
+       inst->cap_width.step_size = 1;
+       inst->cap_height.min = 64;
+       inst->cap_height.max = ALIGN(1080, 32);
+       if (inst->core->res->hfi_version == HFI_VERSION_3XX)
+               inst->cap_height.max = ALIGN(2160, 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;
+}
+
+static const struct v4l2_m2m_ops vdec_m2m_ops = {
+       .device_run = venus_helper_m2m_device_run,
+       .job_abort = venus_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 = &vdec_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 = &vdec_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 int vdec_open(struct file *file)
+{
+       struct venus_core *core = video_drvdata(file);
+       struct venus_inst *inst;
+       int ret;
+
+       inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+       if (!inst)
+               return -ENOMEM;
+
+       INIT_LIST_HEAD(&inst->registeredbufs);
+       INIT_LIST_HEAD(&inst->internalbufs);
+       INIT_LIST_HEAD(&inst->list);
+       mutex_init(&inst->lock);
+
+       inst->core = core;
+       inst->session_type = VIDC_SESSION_TYPE_DEC;
+
+       venus_helper_init_instance(inst);
+
+       ret = pm_runtime_get_sync(core->dev_dec);
+       if (ret < 0)
+               goto err_free_inst;
+
+       ret = vdec_ctrl_init(inst);
+       if (ret)
+               goto err_put_sync;
+
+       ret = hfi_session_create(inst, &vdec_hfi_ops);
+       if (ret)
+               goto err_ctrl_deinit;
+
+       vdec_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(&vdec_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;
+       }
+
+       v4l2_fh_init(&inst->fh, core->vdev_dec);
+
+       inst->fh.ctrl_handler = &inst->ctrl_handler;
+       v4l2_fh_add(&inst->fh);
+       inst->fh.m2m_ctx = inst->m2m_ctx;
+       file->private_data = &inst->fh;
+
+       return 0;
+
+err_m2m_release:
+       v4l2_m2m_release(inst->m2m_dev);
+err_session_destroy:
+       hfi_session_destroy(inst);
+err_ctrl_deinit:
+       vdec_ctrl_deinit(inst);
+err_put_sync:
+       pm_runtime_put_sync(core->dev_dec);
+err_free_inst:
+       kfree(inst);
+       return ret;
+}
+
+static int vdec_close(struct file *file)
+{
+       struct venus_inst *inst = to_inst(file);
+
+       v4l2_m2m_ctx_release(inst->m2m_ctx);
+       v4l2_m2m_release(inst->m2m_dev);
+       vdec_ctrl_deinit(inst);
+       hfi_session_destroy(inst);
+       mutex_destroy(&inst->lock);
+       v4l2_fh_del(&inst->fh);
+       v4l2_fh_exit(&inst->fh);
+       kfree(inst);
+
+       pm_runtime_put_sync(inst->core->dev_dec);
+       return 0;
+}
+
+static const struct v4l2_file_operations vdec_fops = {
+       .owner = THIS_MODULE,
+       .open = vdec_open,
+       .release = vdec_close,
+       .unlocked_ioctl = video_ioctl2,
+       .poll = v4l2_m2m_fop_poll,
+       .mmap = v4l2_m2m_fop_mmap,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl32 = v4l2_compat_ioctl32,
+#endif
+};
+
+static int vdec_probe(struct platform_device *pdev)
+{
+       struct device *dev = &pdev->dev;
+       struct video_device *vdev;
+       struct venus_core *core;
+       int ret;
+
+       if (!dev->parent)
+               return -EPROBE_DEFER;
+
+       core = dev_get_drvdata(dev->parent);
+       if (!core)
+               return -EPROBE_DEFER;
+
+       if (core->res->hfi_version == HFI_VERSION_3XX) {
+               core->core0_clk = devm_clk_get(dev, "core");
+               if (IS_ERR(core->core0_clk))
+                       return PTR_ERR(core->core0_clk);
+       }
+
+       platform_set_drvdata(pdev, core);
+
+       vdev = video_device_alloc();
+       if (!vdev)
+               return -ENOMEM;
+
+       vdev->release = video_device_release;
+       vdev->fops = &vdec_fops;
+       vdev->ioctl_ops = &vdec_ioctl_ops;
+       vdev->vfl_dir = VFL_DIR_M2M;
+       vdev->v4l2_dev = &core->v4l2_dev;
+       vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+
+       ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+       if (ret)
+               goto err_vdev_release;
+
+       core->vdev_dec = vdev;
+       core->dev_dec = dev;
+
+       video_set_drvdata(vdev, core);
+       pm_runtime_enable(dev);
+
+       return 0;
+
+err_vdev_release:
+       video_device_release(vdev);
+       return ret;
+}
+
+static int vdec_remove(struct platform_device *pdev)
+{
+       struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
+
+       video_unregister_device(core->vdev_dec);
+       pm_runtime_disable(core->dev_dec);
+
+       return 0;
+}
+
+#ifdef CONFIG_PM
+static int vdec_runtime_suspend(struct device *dev)
+{
+       struct venus_core *core = dev_get_drvdata(dev);
+
+       if (core->res->hfi_version == HFI_VERSION_1XX)
+               return 0;
+
+       writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
+       clk_disable_unprepare(core->core0_clk);
+       writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
+
+       return 0;
+}
+
+static int vdec_runtime_resume(struct device *dev)
+{
+       struct venus_core *core = dev_get_drvdata(dev);
+       int ret;
+
+       if (core->res->hfi_version == HFI_VERSION_1XX)
+               return 0;
+
+       writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
+       ret = clk_prepare_enable(core->core0_clk);
+       writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL);
+
+       return ret;
+}
+#endif
+
+static const struct dev_pm_ops vdec_pm_ops = {
+       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+                               pm_runtime_force_resume)
+       SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
+};
+
+static const struct of_device_id vdec_dt_match[] = {
+       { .compatible = "venus-decoder" },
+       { }
+};
+MODULE_DEVICE_TABLE(of, vdec_dt_match);
+
+static struct platform_driver qcom_venus_dec_driver = {
+       .probe = vdec_probe,
+       .remove = vdec_remove,
+       .driver = {
+               .name = "qcom-venus-decoder",
+               .of_match_table = vdec_dt_match,
+               .pm = &vdec_pm_ops,
+       },
+};
+module_platform_driver(qcom_venus_dec_driver);
+
+MODULE_ALIAS("platform:qcom-venus-decoder");
+MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/platform/qcom/venus/vdec.h b/drivers/media/platform/qcom/venus/vdec.h
new file mode 100644 (file)
index 0000000..84b672c
--- /dev/null
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2017 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_VDEC_H__
+#define __VENUS_VDEC_H__
+
+struct venus_inst;
+
+int vdec_ctrl_init(struct venus_inst *inst);
+void vdec_ctrl_deinit(struct venus_inst *inst);
+
+#endif
diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c
new file mode 100644 (file)
index 0000000..1045fc5
--- /dev/null
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2017 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"
+#include "vdec.h"
+
+static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct venus_inst *inst = ctrl_to_inst(ctrl);
+       struct vdec_controls *ctr = &inst->controls.dec;
+
+       switch (ctrl->id) {
+       case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
+               ctr->post_loop_deb_mode = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+               ctr->profile = ctrl->val;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+       case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+               ctr->level = ctrl->val;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct venus_inst *inst = ctrl_to_inst(ctrl);
+       struct vdec_controls *ctr = &inst->controls.dec;
+       union hfi_get_property hprop;
+       u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
+       int ret;
+
+       switch (ctrl->id) {
+       case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+       case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+               ret = hfi_session_get_property(inst, ptype, &hprop);
+               if (!ret)
+                       ctr->profile = hprop.profile_level.profile;
+               ctrl->val = ctr->profile;
+               break;
+       case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+       case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+               ret = hfi_session_get_property(inst, ptype, &hprop);
+               if (!ret)
+                       ctr->level = hprop.profile_level.level;
+               ctrl->val = ctr->level;
+               break;
+       case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
+               ctrl->val = ctr->post_loop_deb_mode;
+               break;
+       default:
+               return -EINVAL;
+       };
+
+       return 0;
+}
+
+static const struct v4l2_ctrl_ops vdec_ctrl_ops = {
+       .s_ctrl = vdec_op_s_ctrl,
+       .g_volatile_ctrl = vdec_op_g_volatile_ctrl,
+};
+
+int vdec_ctrl_init(struct venus_inst *inst)
+{
+       struct v4l2_ctrl *ctrl;
+       int ret;
+
+       ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 6);
+       if (ret)
+               return ret;
+
+       ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_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);
+       if (ctrl)
+               ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
+                                     V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
+                                     V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
+                                     0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
+       if (ctrl)
+               ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_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_BASELINE);
+       if (ctrl)
+               ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
+                                     V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+                                     V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
+                                     0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
+       if (ctrl)
+               ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
+                                V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 0, 3, 1, 0);
+       if (ctrl)
+               ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
+               V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 0, 1, 1, 0);
+
+       ret = inst->ctrl_handler.error;
+       if (ret) {
+               v4l2_ctrl_handler_free(&inst->ctrl_handler);
+               return ret;
+       }
+
+       return 0;
+}
+
+void vdec_ctrl_deinit(struct venus_inst *inst)
+{
+       v4l2_ctrl_handler_free(&inst->ctrl_handler);
+}