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    Subject[PATCH v18 07/15] media: amphion: add v4l2 m2m vpu encoder stateful driver
    Date
    This consists of video encoder implementation plus encoder controls.

    Signed-off-by: Ming Qian <ming.qian@nxp.com>
    Signed-off-by: Shijie Qin <shijie.qin@nxp.com>
    Signed-off-by: Zhou Peng <eagle.zhou@nxp.com>
    Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
    ---
    drivers/media/platform/amphion/venc.c | 1358 +++++++++++++++++++++++++
    1 file changed, 1358 insertions(+)
    create mode 100644 drivers/media/platform/amphion/venc.c

    diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c
    new file mode 100644
    index 000000000000..d33c2748e4b7
    --- /dev/null
    +++ b/drivers/media/platform/amphion/venc.c
    @@ -0,0 +1,1358 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * Copyright 2020-2021 NXP
    + */
    +
    +#include <linux/init.h>
    +#include <linux/interconnect.h>
    +#include <linux/ioctl.h>
    +#include <linux/list.h>
    +#include <linux/kernel.h>
    +#include <linux/module.h>
    +#include <linux/delay.h>
    +#include <linux/videodev2.h>
    +#include <linux/ktime.h>
    +#include <linux/rational.h>
    +#include <linux/vmalloc.h>
    +#include <media/v4l2-device.h>
    +#include <media/v4l2-event.h>
    +#include <media/v4l2-mem2mem.h>
    +#include <media/v4l2-ioctl.h>
    +#include <media/videobuf2-v4l2.h>
    +#include <media/videobuf2-dma-contig.h>
    +#include <media/videobuf2-vmalloc.h>
    +#include "vpu.h"
    +#include "vpu_defs.h"
    +#include "vpu_core.h"
    +#include "vpu_helpers.h"
    +#include "vpu_v4l2.h"
    +#include "vpu_cmds.h"
    +#include "vpu_rpc.h"
    +
    +#define VENC_OUTPUT_ENABLE BIT(0)
    +#define VENC_CAPTURE_ENABLE BIT(1)
    +#define VENC_ENABLE_MASK (VENC_OUTPUT_ENABLE | VENC_CAPTURE_ENABLE)
    +#define VENC_MAX_BUF_CNT 8
    +
    +struct venc_t {
    + struct vpu_encode_params params;
    + u32 request_key_frame;
    + u32 input_ready;
    + u32 cpb_size;
    + bool bitrate_change;
    +
    + struct vpu_buffer enc[VENC_MAX_BUF_CNT];
    + struct vpu_buffer ref[VENC_MAX_BUF_CNT];
    + struct vpu_buffer act[VENC_MAX_BUF_CNT];
    + struct list_head frames;
    + u32 frame_count;
    + u32 encode_count;
    + u32 ready_count;
    + u32 enable;
    + u32 stopped;
    +
    + u32 skipped_count;
    + u32 skipped_bytes;
    +
    + wait_queue_head_t wq;
    +};
    +
    +struct venc_frame_t {
    + struct list_head list;
    + struct vpu_enc_pic_info info;
    + u32 bytesused;
    + s64 timestamp;
    +};
    +
    +static const struct vpu_format venc_formats[] = {
    + {
    + .pixfmt = V4L2_PIX_FMT_NV12M,
    + .num_planes = 2,
    + .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
    + },
    + {
    + .pixfmt = V4L2_PIX_FMT_H264,
    + .num_planes = 1,
    + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
    + },
    + {0, 0, 0, 0},
    +};
    +
    +static int venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
    +{
    + strscpy(cap->driver, "amphion-vpu", sizeof(cap->driver));
    + strscpy(cap->card, "amphion vpu encoder", sizeof(cap->card));
    + strscpy(cap->bus_info, "platform: amphion-vpu", sizeof(cap->bus_info));
    +
    + return 0;
    +}
    +
    +static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + const struct vpu_format *fmt;
    +
    + memset(f->reserved, 0, sizeof(f->reserved));
    + fmt = vpu_helper_enum_format(inst, f->type, f->index);
    + if (!fmt)
    + return -EINVAL;
    +
    + f->pixelformat = fmt->pixfmt;
    + f->flags = fmt->flags;
    +
    + return 0;
    +}
    +
    +static int venc_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + const struct vpu_core_resources *res;
    +
    + if (!fsize || fsize->index)
    + return -EINVAL;
    +
    + if (!vpu_helper_find_format(inst, 0, fsize->pixel_format))
    + return -EINVAL;
    +
    + res = vpu_get_resource(inst);
    + if (!res)
    + return -EINVAL;
    + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
    + fsize->stepwise.max_width = res->max_width;
    + fsize->stepwise.max_height = res->max_height;
    + fsize->stepwise.min_width = res->min_width;
    + fsize->stepwise.min_height = res->min_height;
    + fsize->stepwise.step_width = res->step_width;
    + fsize->stepwise.step_height = res->step_height;
    +
    + return 0;
    +}
    +
    +static int venc_enum_frameintervals(struct file *file, void *fh, struct v4l2_frmivalenum *fival)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + const struct vpu_core_resources *res;
    +
    + if (!fival || fival->index)
    + return -EINVAL;
    +
    + if (!vpu_helper_find_format(inst, 0, fival->pixel_format))
    + return -EINVAL;
    +
    + if (!fival->width || !fival->height)
    + return -EINVAL;
    +
    + res = vpu_get_resource(inst);
    + if (!res)
    + return -EINVAL;
    + if (fival->width < res->min_width || fival->width > res->max_width ||
    + fival->height < res->min_height || fival->height > res->max_height)
    + return -EINVAL;
    +
    + fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
    + fival->stepwise.min.numerator = 1;
    + fival->stepwise.min.denominator = USHRT_MAX;
    + fival->stepwise.max.numerator = USHRT_MAX;
    + fival->stepwise.max.denominator = 1;
    + fival->stepwise.step.numerator = 1;
    + fival->stepwise.step.denominator = 1;
    +
    + return 0;
    +}
    +
    +static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + struct venc_t *venc = inst->priv;
    + struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
    + struct vpu_format *cur_fmt;
    + int i;
    +
    + cur_fmt = vpu_get_format(inst, f->type);
    +
    + pixmp->pixelformat = cur_fmt->pixfmt;
    + pixmp->num_planes = cur_fmt->num_planes;
    + pixmp->width = cur_fmt->width;
    + pixmp->height = cur_fmt->height;
    + pixmp->field = cur_fmt->field;
    + pixmp->flags = cur_fmt->flags;
    + for (i = 0; i < pixmp->num_planes; i++) {
    + pixmp->plane_fmt[i].bytesperline = cur_fmt->bytesperline[i];
    + pixmp->plane_fmt[i].sizeimage = cur_fmt->sizeimage[i];
    + }
    +
    + f->fmt.pix_mp.colorspace = venc->params.color.primaries;
    + f->fmt.pix_mp.xfer_func = venc->params.color.transfer;
    + f->fmt.pix_mp.ycbcr_enc = venc->params.color.matrix;
    + f->fmt.pix_mp.quantization = venc->params.color.full_range;
    +
    + return 0;
    +}
    +
    +static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
    +{
    + struct vpu_inst *inst = to_inst(file);
    +
    + vpu_try_fmt_common(inst, f);
    +
    + return 0;
    +}
    +
    +static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + const struct vpu_format *fmt;
    + struct vpu_format *cur_fmt;
    + struct vb2_queue *q;
    + struct venc_t *venc = inst->priv;
    + struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
    + int i;
    +
    + q = v4l2_m2m_get_vq(inst->fh.m2m_ctx, f->type);
    + if (!q)
    + return -EINVAL;
    + if (vb2_is_busy(q))
    + return -EBUSY;
    +
    + fmt = vpu_try_fmt_common(inst, f);
    + if (!fmt)
    + return -EINVAL;
    +
    + cur_fmt = vpu_get_format(inst, f->type);
    +
    + cur_fmt->pixfmt = fmt->pixfmt;
    + cur_fmt->num_planes = fmt->num_planes;
    + cur_fmt->flags = fmt->flags;
    + cur_fmt->width = pix_mp->width;
    + cur_fmt->height = pix_mp->height;
    + for (i = 0; i < fmt->num_planes; i++) {
    + cur_fmt->sizeimage[i] = pix_mp->plane_fmt[i].sizeimage;
    + cur_fmt->bytesperline[i] = pix_mp->plane_fmt[i].bytesperline;
    + }
    +
    + if (pix_mp->field != V4L2_FIELD_ANY)
    + cur_fmt->field = pix_mp->field;
    +
    + if (V4L2_TYPE_IS_OUTPUT(f->type)) {
    + venc->params.input_format = cur_fmt->pixfmt;
    + venc->params.src_stride = cur_fmt->bytesperline[0];
    + venc->params.src_width = cur_fmt->width;
    + venc->params.src_height = cur_fmt->height;
    + venc->params.crop.left = 0;
    + venc->params.crop.top = 0;
    + venc->params.crop.width = cur_fmt->width;
    + venc->params.crop.height = cur_fmt->height;
    + } else {
    + venc->params.codec_format = cur_fmt->pixfmt;
    + venc->params.out_width = cur_fmt->width;
    + venc->params.out_height = cur_fmt->height;
    + }
    +
    + if (V4L2_TYPE_IS_OUTPUT(f->type)) {
    + if (!vpu_color_check_primaries(pix_mp->colorspace)) {
    + venc->params.color.primaries = pix_mp->colorspace;
    + vpu_color_get_default(venc->params.color.primaries,
    + &venc->params.color.transfer,
    + &venc->params.color.matrix,
    + &venc->params.color.full_range);
    + }
    + if (!vpu_color_check_transfers(pix_mp->xfer_func))
    + venc->params.color.transfer = pix_mp->xfer_func;
    + if (!vpu_color_check_matrix(pix_mp->ycbcr_enc))
    + venc->params.color.matrix = pix_mp->ycbcr_enc;
    + if (!vpu_color_check_full_range(pix_mp->quantization))
    + venc->params.color.full_range = pix_mp->quantization;
    + }
    +
    + pix_mp->colorspace = venc->params.color.primaries;
    + pix_mp->xfer_func = venc->params.color.transfer;
    + pix_mp->ycbcr_enc = venc->params.color.matrix;
    + pix_mp->quantization = venc->params.color.full_range;
    +
    + return 0;
    +}
    +
    +static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + struct venc_t *venc = inst->priv;
    + struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe;
    +
    + if (!parm)
    + return -EINVAL;
    +
    + if (!vpu_helper_check_type(inst, parm->type))
    + return -EINVAL;
    +
    + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
    + parm->parm.capture.readbuffers = 0;
    + timeperframe->numerator = venc->params.frame_rate.numerator;
    + timeperframe->denominator = venc->params.frame_rate.denominator;
    +
    + return 0;
    +}
    +
    +static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + struct venc_t *venc = inst->priv;
    + struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe;
    + unsigned long n, d;
    +
    + if (!parm)
    + return -EINVAL;
    +
    + if (!vpu_helper_check_type(inst, parm->type))
    + return -EINVAL;
    +
    + if (!timeperframe->numerator)
    + timeperframe->numerator = venc->params.frame_rate.numerator;
    + if (!timeperframe->denominator)
    + timeperframe->denominator = venc->params.frame_rate.denominator;
    +
    + venc->params.frame_rate.numerator = timeperframe->numerator;
    + venc->params.frame_rate.denominator = timeperframe->denominator;
    +
    + rational_best_approximation(venc->params.frame_rate.numerator,
    + venc->params.frame_rate.denominator,
    + venc->params.frame_rate.numerator,
    + venc->params.frame_rate.denominator,
    + &n, &d);
    + venc->params.frame_rate.numerator = n;
    + venc->params.frame_rate.denominator = d;
    +
    + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
    + memset(parm->parm.capture.reserved, 0, sizeof(parm->parm.capture.reserved));
    +
    + return 0;
    +}
    +
    +static int venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + struct venc_t *venc = inst->priv;
    +
    + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
    + return -EINVAL;
    +
    + switch (s->target) {
    + case V4L2_SEL_TGT_CROP_DEFAULT:
    + case V4L2_SEL_TGT_CROP_BOUNDS:
    + s->r.left = 0;
    + s->r.top = 0;
    + s->r.width = inst->out_format.width;
    + s->r.height = inst->out_format.height;
    + break;
    + case V4L2_SEL_TGT_CROP:
    + s->r = venc->params.crop;
    + break;
    + default:
    + return -EINVAL;
    + }
    +
    + return 0;
    +}
    +
    +static int venc_valid_crop(struct venc_t *venc, const struct vpu_core_resources *res)
    +{
    + struct v4l2_rect *rect = NULL;
    + u32 min_width;
    + u32 min_height;
    + u32 src_width;
    + u32 src_height;
    +
    + rect = &venc->params.crop;
    + min_width = res->min_width;
    + min_height = res->min_height;
    + src_width = venc->params.src_width;
    + src_height = venc->params.src_height;
    +
    + if (rect->width == 0 || rect->height == 0)
    + return -EINVAL;
    + if (rect->left > src_width - min_width || rect->top > src_height - min_height)
    + return -EINVAL;
    +
    + rect->width = min(rect->width, src_width - rect->left);
    + rect->width = max_t(u32, rect->width, min_width);
    +
    + rect->height = min(rect->height, src_height - rect->top);
    + rect->height = max_t(u32, rect->height, min_height);
    +
    + return 0;
    +}
    +
    +static int venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + const struct vpu_core_resources *res;
    + struct venc_t *venc = inst->priv;
    +
    + res = vpu_get_resource(inst);
    + if (!res)
    + return -EINVAL;
    +
    + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
    + return -EINVAL;
    + if (s->target != V4L2_SEL_TGT_CROP)
    + return -EINVAL;
    +
    + venc->params.crop.left = ALIGN(s->r.left, res->step_width);
    + venc->params.crop.top = ALIGN(s->r.top, res->step_height);
    + venc->params.crop.width = ALIGN(s->r.width, res->step_width);
    + venc->params.crop.height = ALIGN(s->r.height, res->step_height);
    + if (venc_valid_crop(venc, res)) {
    + venc->params.crop.left = 0;
    + venc->params.crop.top = 0;
    + venc->params.crop.width = venc->params.src_width;
    + venc->params.crop.height = venc->params.src_height;
    + }
    +
    + inst->crop = venc->params.crop;
    +
    + return 0;
    +}
    +
    +static int venc_drain(struct vpu_inst *inst)
    +{
    + struct venc_t *venc = inst->priv;
    + int ret;
    +
    + if (!inst->fh.m2m_ctx)
    + return 0;
    +
    + if (inst->state != VPU_CODEC_STATE_DRAIN)
    + return 0;
    +
    + if (v4l2_m2m_num_src_bufs_ready(inst->fh.m2m_ctx))
    + return 0;
    +
    + if (!venc->input_ready)
    + return 0;
    +
    + venc->input_ready = false;
    + vpu_trace(inst->dev, "[%d]\n", inst->id);
    + ret = vpu_session_stop(inst);
    + if (ret)
    + return ret;
    + inst->state = VPU_CODEC_STATE_STOP;
    + wake_up_all(&venc->wq);
    +
    + return 0;
    +}
    +
    +static int venc_request_eos(struct vpu_inst *inst)
    +{
    + inst->state = VPU_CODEC_STATE_DRAIN;
    + venc_drain(inst);
    +
    + return 0;
    +}
    +
    +static int venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + int ret;
    +
    + ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
    + if (ret)
    + return ret;
    +
    + vpu_inst_lock(inst);
    + if (cmd->cmd == V4L2_ENC_CMD_STOP) {
    + if (inst->state == VPU_CODEC_STATE_DEINIT)
    + vpu_set_last_buffer_dequeued(inst);
    + else
    + venc_request_eos(inst);
    + }
    + vpu_inst_unlock(inst);
    +
    + return 0;
    +}
    +
    +static int venc_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, 0, NULL);
    + case V4L2_EVENT_CTRL:
    + return v4l2_ctrl_subscribe_event(fh, sub);
    + default:
    + return -EINVAL;
    + }
    +}
    +
    +static const struct v4l2_ioctl_ops venc_ioctl_ops = {
    + .vidioc_querycap = venc_querycap,
    + .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
    + .vidioc_enum_fmt_vid_out = venc_enum_fmt,
    + .vidioc_enum_framesizes = venc_enum_framesizes,
    + .vidioc_enum_frameintervals = venc_enum_frameintervals,
    + .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_s_fmt_vid_cap_mplane = venc_s_fmt,
    + .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
    + .vidioc_g_parm = venc_g_parm,
    + .vidioc_s_parm = venc_s_parm,
    + .vidioc_g_selection = venc_g_selection,
    + .vidioc_s_selection = venc_s_selection,
    + .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
    + .vidioc_encoder_cmd = venc_encoder_cmd,
    + .vidioc_subscribe_event = venc_subscribe_event,
    + .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
    + .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,
    +};
    +
    +static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
    +{
    + struct vpu_inst *inst = ctrl_to_inst(ctrl);
    + struct venc_t *venc = inst->priv;
    + int ret = 0;
    +
    + vpu_inst_lock(inst);
    + switch (ctrl->id) {
    + case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
    + venc->params.profile = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
    + venc->params.level = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
    + venc->params.rc_enable = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
    + venc->params.rc_mode = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_BITRATE:
    + if (ctrl->val != venc->params.bitrate)
    + venc->bitrate_change = true;
    + venc->params.bitrate = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
    + venc->params.bitrate_max = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
    + venc->params.gop_length = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_B_FRAMES:
    + venc->params.bframes = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
    + venc->params.i_frame_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
    + venc->params.p_frame_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
    + venc->params.b_frame_qp = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
    + venc->request_key_frame = 1;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE:
    + venc->cpb_size = ctrl->val * 1024;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
    + venc->params.sar.enable = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
    + venc->params.sar.idc = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH:
    + venc->params.sar.width = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT:
    + venc->params.sar.height = ctrl->val;
    + break;
    + case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
    + break;
    + default:
    + ret = -EINVAL;
    + break;
    + }
    + vpu_inst_unlock(inst);
    +
    + return ret;
    +}
    +
    +static const struct v4l2_ctrl_ops venc_ctrl_ops = {
    + .s_ctrl = venc_op_s_ctrl,
    + .g_volatile_ctrl = vpu_helper_g_volatile_ctrl,
    +};
    +
    +static int venc_ctrl_init(struct vpu_inst *inst)
    +{
    + struct v4l2_ctrl *ctrl;
    + int ret;
    +
    + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 20);
    + if (ret)
    + return ret;
    +
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_PROFILE,
    + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
    + ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
    + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_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,
    + 0x0,
    + V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
    +
    + 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_CBR);
    +
    + 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_GOP_SIZE, 0, (1 << 16) - 1, 1, 30);
    +
    + 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_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_FORCE_KEY_FRAME, 0, 0, 0, 0);
    + ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 2);
    + if (ctrl)
    + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
    + ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 2);
    + if (ctrl)
    + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE, 64, 10240, 1, 1024);
    +
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE, 0, 1, 1, 1);
    + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC,
    + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED,
    + 0x0,
    + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1);
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH,
    + 0, USHRT_MAX, 1, 1);
    + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
    + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT,
    + 0, USHRT_MAX, 1, 1);
    + 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_JOINED_WITH_1ST_FRAME);
    +
    + ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
    + if (ret) {
    + dev_err(inst->dev, "[%d] setup ctrls fail, ret = %d\n", inst->id, ret);
    + v4l2_ctrl_handler_free(&inst->ctrl_handler);
    + return ret;
    + }
    +
    + return 0;
    +}
    +
    +static bool venc_check_ready(struct vpu_inst *inst, unsigned int type)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + if (V4L2_TYPE_IS_OUTPUT(type)) {
    + if (vpu_helper_get_free_space(inst) < venc->cpb_size)
    + return false;
    + return venc->input_ready;
    + }
    +
    + if (list_empty(&venc->frames))
    + return false;
    + return true;
    +}
    +
    +static u32 venc_get_enable_mask(u32 type)
    +{
    + if (V4L2_TYPE_IS_OUTPUT(type))
    + return VENC_OUTPUT_ENABLE;
    + else
    + return VENC_CAPTURE_ENABLE;
    +}
    +
    +static void venc_set_enable(struct venc_t *venc, u32 type, int enable)
    +{
    + u32 mask = venc_get_enable_mask(type);
    +
    + if (enable)
    + venc->enable |= mask;
    + else
    + venc->enable &= ~mask;
    +}
    +
    +static u32 venc_get_enable(struct venc_t *venc, u32 type)
    +{
    + return venc->enable & venc_get_enable_mask(type);
    +}
    +
    +static void venc_input_done(struct vpu_inst *inst)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + vpu_inst_lock(inst);
    + venc->input_ready = true;
    + vpu_process_output_buffer(inst);
    + if (inst->state == VPU_CODEC_STATE_DRAIN)
    + venc_drain(inst);
    + vpu_inst_unlock(inst);
    +}
    +
    +/*
    + * It's hardware limitation, that there may be several bytes
    + * redundant data at the beginning of frame.
    + * For android platform, the redundant data may cause cts test fail
    + * So driver will strip them
    + */
    +static int venc_precheck_encoded_frame(struct vpu_inst *inst, struct venc_frame_t *frame)
    +{
    + struct venc_t *venc;
    + int skipped;
    +
    + if (!frame || !frame->bytesused)
    + return -EINVAL;
    +
    + venc = inst->priv;
    + skipped = vpu_helper_find_startcode(&inst->stream_buffer,
    + inst->cap_format.pixfmt,
    + frame->info.wptr - inst->stream_buffer.phys,
    + frame->bytesused);
    + if (skipped > 0) {
    + frame->bytesused -= skipped;
    + frame->info.wptr = vpu_helper_step_walk(&inst->stream_buffer,
    + frame->info.wptr, skipped);
    + venc->skipped_bytes += skipped;
    + venc->skipped_count++;
    + }
    +
    + return 0;
    +}
    +
    +static int venc_get_one_encoded_frame(struct vpu_inst *inst,
    + struct venc_frame_t *frame,
    + struct vb2_v4l2_buffer *vbuf)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + if (!vbuf)
    + return -EAGAIN;
    +
    + if (!venc_get_enable(inst->priv, vbuf->vb2_buf.type)) {
    + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
    + return 0;
    + }
    + if (frame->bytesused > vbuf->vb2_buf.planes[0].length) {
    + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
    + return -ENOMEM;
    + }
    +
    + venc_precheck_encoded_frame(inst, frame);
    +
    + if (frame->bytesused) {
    + u32 rptr = frame->info.wptr;
    + void *dst = vb2_plane_vaddr(&vbuf->vb2_buf, 0);
    +
    + vpu_helper_copy_from_stream_buffer(&inst->stream_buffer,
    + &rptr, frame->bytesused, dst);
    + vpu_iface_update_stream_buffer(inst, rptr, 0);
    + }
    + vb2_set_plane_payload(&vbuf->vb2_buf, 0, frame->bytesused);
    + vbuf->sequence = frame->info.frame_id;
    + vbuf->vb2_buf.timestamp = frame->info.timestamp;
    + vbuf->field = inst->cap_format.field;
    + vbuf->flags |= frame->info.pic_type;
    + vpu_set_buffer_state(vbuf, VPU_BUF_STATE_IDLE);
    + dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, frame->info.timestamp);
    + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
    + venc->ready_count++;
    +
    + if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
    + dev_dbg(inst->dev, "[%d][%d]key frame\n", inst->id, frame->info.frame_id);
    +
    + return 0;
    +}
    +
    +static int venc_get_encoded_frames(struct vpu_inst *inst)
    +{
    + struct venc_t *venc;
    + struct venc_frame_t *frame;
    + struct venc_frame_t *tmp;
    +
    + if (!inst->fh.m2m_ctx)
    + return 0;
    + venc = inst->priv;
    + list_for_each_entry_safe(frame, tmp, &venc->frames, list) {
    + if (venc_get_one_encoded_frame(inst, frame,
    + v4l2_m2m_dst_buf_remove(inst->fh.m2m_ctx)))
    + break;
    + list_del_init(&frame->list);
    + vfree(frame);
    + }
    +
    + return 0;
    +}
    +
    +static int venc_frame_encoded(struct vpu_inst *inst, void *arg)
    +{
    + struct vpu_enc_pic_info *info = arg;
    + struct venc_frame_t *frame;
    + struct venc_t *venc;
    + int ret = 0;
    +
    + if (!info)
    + return -EINVAL;
    + venc = inst->priv;
    + frame = vzalloc(sizeof(*frame));
    + if (!frame)
    + return -ENOMEM;
    +
    + memcpy(&frame->info, info, sizeof(frame->info));
    + frame->bytesused = info->frame_size;
    +
    + vpu_inst_lock(inst);
    + list_add_tail(&frame->list, &venc->frames);
    + venc->encode_count++;
    + venc_get_encoded_frames(inst);
    + vpu_inst_unlock(inst);
    +
    + return ret;
    +}
    +
    +static void venc_buf_done(struct vpu_inst *inst, struct vpu_frame_info *frame)
    +{
    + struct vb2_v4l2_buffer *vbuf;
    +
    + if (!inst->fh.m2m_ctx)
    + return;
    +
    + vpu_inst_lock(inst);
    + if (!venc_get_enable(inst->priv, frame->type))
    + goto exit;
    + vbuf = vpu_find_buf_by_sequence(inst, frame->type, frame->sequence);
    + if (!vbuf) {
    + dev_err(inst->dev, "[%d] can't find buf: type %d, sequence %d\n",
    + inst->id, frame->type, frame->sequence);
    + goto exit;
    + }
    +
    + vpu_set_buffer_state(vbuf, VPU_BUF_STATE_IDLE);
    + if (V4L2_TYPE_IS_OUTPUT(frame->type))
    + v4l2_m2m_src_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf);
    + else
    + v4l2_m2m_dst_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf);
    + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
    +exit:
    + vpu_inst_unlock(inst);
    +}
    +
    +static void venc_set_last_buffer_dequeued(struct vpu_inst *inst)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + if (venc->stopped && list_empty(&venc->frames))
    + vpu_set_last_buffer_dequeued(inst);
    +}
    +
    +static void venc_stop_done(struct vpu_inst *inst)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + vpu_inst_lock(inst);
    + venc->stopped = true;
    + venc_set_last_buffer_dequeued(inst);
    + vpu_inst_unlock(inst);
    +
    + wake_up_all(&venc->wq);
    +}
    +
    +static void venc_event_notify(struct vpu_inst *inst, u32 event, void *data)
    +{
    +}
    +
    +static void venc_release(struct vpu_inst *inst)
    +{
    +}
    +
    +static void venc_cleanup(struct vpu_inst *inst)
    +{
    + struct venc_t *venc;
    +
    + if (!inst)
    + return;
    +
    + venc = inst->priv;
    + if (venc)
    + vfree(venc);
    + inst->priv = NULL;
    + vfree(inst);
    +}
    +
    +static int venc_start_session(struct vpu_inst *inst, u32 type)
    +{
    + struct venc_t *venc = inst->priv;
    + int stream_buffer_size;
    + int ret;
    +
    + venc_set_enable(venc, type, 1);
    + if ((venc->enable & VENC_ENABLE_MASK) != VENC_ENABLE_MASK)
    + return 0;
    +
    + vpu_iface_init_instance(inst);
    + stream_buffer_size = vpu_iface_get_stream_buffer_size(inst->core);
    + if (stream_buffer_size > 0) {
    + inst->stream_buffer.length = max_t(u32, stream_buffer_size, venc->cpb_size * 3);
    + ret = vpu_alloc_dma(inst->core, &inst->stream_buffer);
    + if (ret)
    + goto error;
    +
    + inst->use_stream_buffer = true;
    + vpu_iface_config_stream_buffer(inst, &inst->stream_buffer);
    + }
    +
    + ret = vpu_iface_set_encode_params(inst, &venc->params, 0);
    + if (ret)
    + goto error;
    + ret = vpu_session_configure_codec(inst);
    + if (ret)
    + goto error;
    +
    + inst->state = VPU_CODEC_STATE_CONFIGURED;
    + /*vpu_iface_config_memory_resource*/
    +
    + /*config enc expert mode parameter*/
    + ret = vpu_iface_set_encode_params(inst, &venc->params, 1);
    + if (ret)
    + goto error;
    +
    + ret = vpu_session_start(inst);
    + if (ret)
    + goto error;
    + inst->state = VPU_CODEC_STATE_STARTED;
    +
    + venc->bitrate_change = false;
    + venc->input_ready = true;
    + venc->frame_count = 0;
    + venc->encode_count = 0;
    + venc->ready_count = 0;
    + venc->stopped = false;
    + vpu_process_output_buffer(inst);
    + if (venc->frame_count == 0)
    + dev_err(inst->dev, "[%d] there is no input when starting\n", inst->id);
    +
    + return 0;
    +error:
    + venc_set_enable(venc, type, 0);
    + inst->state = VPU_CODEC_STATE_DEINIT;
    +
    + vpu_free_dma(&inst->stream_buffer);
    + return ret;
    +}
    +
    +static void venc_cleanup_mem_resource(struct vpu_inst *inst)
    +{
    + struct venc_t *venc;
    + u32 i;
    +
    + venc = inst->priv;
    +
    + for (i = 0; i < ARRAY_SIZE(venc->enc); i++)
    + vpu_free_dma(&venc->enc[i]);
    + for (i = 0; i < ARRAY_SIZE(venc->ref); i++)
    + vpu_free_dma(&venc->ref[i]);
    +}
    +
    +static void venc_request_mem_resource(struct vpu_inst *inst,
    + u32 enc_frame_size,
    + u32 enc_frame_num,
    + u32 ref_frame_size,
    + u32 ref_frame_num,
    + u32 act_frame_size,
    + u32 act_frame_num)
    +{
    + struct venc_t *venc;
    + u32 i;
    + int ret;
    +
    + venc = inst->priv;
    + if (enc_frame_num > ARRAY_SIZE(venc->enc)) {
    + dev_err(inst->dev, "[%d] enc num(%d) is out of range\n", inst->id, enc_frame_num);
    + return;
    + }
    + if (ref_frame_num > ARRAY_SIZE(venc->ref)) {
    + dev_err(inst->dev, "[%d] ref num(%d) is out of range\n", inst->id, ref_frame_num);
    + return;
    + }
    + if (act_frame_num > ARRAY_SIZE(venc->act)) {
    + dev_err(inst->dev, "[%d] act num(%d) is out of range\n", inst->id, act_frame_num);
    + return;
    + }
    +
    + for (i = 0; i < enc_frame_num; i++) {
    + venc->enc[i].length = enc_frame_size;
    + ret = vpu_alloc_dma(inst->core, &venc->enc[i]);
    + if (ret) {
    + venc_cleanup_mem_resource(inst);
    + return;
    + }
    + }
    + for (i = 0; i < ref_frame_num; i++) {
    + venc->ref[i].length = ref_frame_size;
    + ret = vpu_alloc_dma(inst->core, &venc->ref[i]);
    + if (ret) {
    + venc_cleanup_mem_resource(inst);
    + return;
    + }
    + }
    + if (act_frame_num != 1 || act_frame_size > inst->act.length) {
    + venc_cleanup_mem_resource(inst);
    + return;
    + }
    + venc->act[0].length = act_frame_size;
    + venc->act[0].phys = inst->act.phys;
    + venc->act[0].virt = inst->act.virt;
    +
    + for (i = 0; i < enc_frame_num; i++)
    + vpu_iface_config_memory_resource(inst, MEM_RES_ENC, i, &venc->enc[i]);
    + for (i = 0; i < ref_frame_num; i++)
    + vpu_iface_config_memory_resource(inst, MEM_RES_REF, i, &venc->ref[i]);
    + for (i = 0; i < act_frame_num; i++)
    + vpu_iface_config_memory_resource(inst, MEM_RES_ACT, i, &venc->act[i]);
    +}
    +
    +static void venc_cleanup_frames(struct venc_t *venc)
    +{
    + struct venc_frame_t *frame;
    + struct venc_frame_t *tmp;
    +
    + list_for_each_entry_safe(frame, tmp, &venc->frames, list) {
    + list_del_init(&frame->list);
    + vfree(frame);
    + }
    +}
    +
    +static int venc_stop_session(struct vpu_inst *inst, u32 type)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + venc_set_enable(venc, type, 0);
    + if (venc->enable & VENC_ENABLE_MASK)
    + return 0;
    +
    + if (inst->state == VPU_CODEC_STATE_DEINIT)
    + return 0;
    +
    + if (inst->state != VPU_CODEC_STATE_STOP)
    + venc_request_eos(inst);
    +
    + call_void_vop(inst, wait_prepare);
    + if (!wait_event_timeout(venc->wq, venc->stopped, VPU_TIMEOUT)) {
    + set_bit(inst->id, &inst->core->hang_mask);
    + vpu_session_debug(inst);
    + }
    + call_void_vop(inst, wait_finish);
    +
    + inst->state = VPU_CODEC_STATE_DEINIT;
    + venc_cleanup_frames(inst->priv);
    + vpu_free_dma(&inst->stream_buffer);
    + venc_cleanup_mem_resource(inst);
    +
    + return 0;
    +}
    +
    +static int venc_process_output(struct vpu_inst *inst, struct vb2_buffer *vb)
    +{
    + struct venc_t *venc = inst->priv;
    + struct vb2_v4l2_buffer *vbuf;
    + u32 flags;
    +
    + if (inst->state == VPU_CODEC_STATE_DEINIT)
    + return -EINVAL;
    +
    + vbuf = to_vb2_v4l2_buffer(vb);
    + if (inst->state == VPU_CODEC_STATE_STARTED)
    + inst->state = VPU_CODEC_STATE_ACTIVE;
    +
    + flags = vbuf->flags;
    + if (venc->request_key_frame) {
    + vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
    + venc->request_key_frame = 0;
    + }
    + if (venc->bitrate_change) {
    + vpu_session_update_parameters(inst, &venc->params);
    + venc->bitrate_change = false;
    + }
    + dev_dbg(inst->dev, "[%d][INPUT TS]%32lld\n", inst->id, vb->timestamp);
    + vpu_iface_input_frame(inst, vb);
    + vbuf->flags = flags;
    + venc->input_ready = false;
    + venc->frame_count++;
    + vpu_set_buffer_state(vbuf, VPU_BUF_STATE_INUSE);
    +
    + return 0;
    +}
    +
    +static int venc_process_capture(struct vpu_inst *inst, struct vb2_buffer *vb)
    +{
    + struct venc_t *venc;
    + struct venc_frame_t *frame = NULL;
    + struct vb2_v4l2_buffer *vbuf;
    + int ret;
    +
    + venc = inst->priv;
    + if (list_empty(&venc->frames))
    + return -EINVAL;
    +
    + frame = list_first_entry(&venc->frames, struct venc_frame_t, list);
    + vbuf = to_vb2_v4l2_buffer(vb);
    + v4l2_m2m_dst_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf);
    + ret = venc_get_one_encoded_frame(inst, frame, vbuf);
    + if (ret)
    + return ret;
    +
    + list_del_init(&frame->list);
    + vfree(frame);
    + return 0;
    +}
    +
    +static void venc_on_queue_empty(struct vpu_inst *inst, u32 type)
    +{
    + struct venc_t *venc = inst->priv;
    +
    + if (V4L2_TYPE_IS_OUTPUT(type))
    + return;
    +
    + if (venc->stopped)
    + venc_set_last_buffer_dequeued(inst);
    +}
    +
    +static int venc_get_debug_info(struct vpu_inst *inst, char *str, u32 size, u32 i)
    +{
    + struct venc_t *venc = inst->priv;
    + int num = -1;
    +
    + switch (i) {
    + case 0:
    + num = scnprintf(str, size, "profile = %d\n", venc->params.profile);
    + break;
    + case 1:
    + num = scnprintf(str, size, "level = %d\n", venc->params.level);
    + break;
    + case 2:
    + num = scnprintf(str, size, "fps = %d/%d\n",
    + venc->params.frame_rate.numerator,
    + venc->params.frame_rate.denominator);
    + break;
    + case 3:
    + num = scnprintf(str, size, "%d x %d -> %d x %d\n",
    + venc->params.src_width,
    + venc->params.src_height,
    + venc->params.out_width,
    + venc->params.out_height);
    + break;
    + case 4:
    + num = scnprintf(str, size, "(%d, %d) %d x %d\n",
    + venc->params.crop.left,
    + venc->params.crop.top,
    + venc->params.crop.width,
    + venc->params.crop.height);
    + break;
    + case 5:
    + num = scnprintf(str, size,
    + "enable = 0x%x, input = %d, encode = %d, ready = %d, stopped = %d\n",
    + venc->enable,
    + venc->frame_count, venc->encode_count,
    + venc->ready_count,
    + venc->stopped);
    + break;
    + case 6:
    + num = scnprintf(str, size, "gop = %d\n", venc->params.gop_length);
    + break;
    + case 7:
    + num = scnprintf(str, size, "bframes = %d\n", venc->params.bframes);
    + break;
    + case 8:
    + num = scnprintf(str, size, "rc: %s, mode = %d, bitrate = %d(%d), qp = %d\n",
    + venc->params.rc_enable ? "enable" : "disable",
    + venc->params.rc_mode,
    + venc->params.bitrate,
    + venc->params.bitrate_max,
    + venc->params.i_frame_qp);
    + break;
    + case 9:
    + num = scnprintf(str, size, "sar: enable = %d, idc = %d, %d x %d\n",
    + venc->params.sar.enable,
    + venc->params.sar.idc,
    + venc->params.sar.width,
    + venc->params.sar.height);
    +
    + break;
    + case 10:
    + num = scnprintf(str, size,
    + "colorspace: primaries = %d, transfer = %d, matrix = %d, full_range = %d\n",
    + venc->params.color.primaries,
    + venc->params.color.transfer,
    + venc->params.color.matrix,
    + venc->params.color.full_range);
    + break;
    + case 11:
    + num = scnprintf(str, size, "skipped: count = %d, bytes = %d\n",
    + venc->skipped_count, venc->skipped_bytes);
    + break;
    + default:
    + break;
    + }
    +
    + return num;
    +}
    +
    +static struct vpu_inst_ops venc_inst_ops = {
    + .ctrl_init = venc_ctrl_init,
    + .check_ready = venc_check_ready,
    + .input_done = venc_input_done,
    + .get_one_frame = venc_frame_encoded,
    + .buf_done = venc_buf_done,
    + .stop_done = venc_stop_done,
    + .event_notify = venc_event_notify,
    + .release = venc_release,
    + .cleanup = venc_cleanup,
    + .start = venc_start_session,
    + .mem_request = venc_request_mem_resource,
    + .stop = venc_stop_session,
    + .process_output = venc_process_output,
    + .process_capture = venc_process_capture,
    + .on_queue_empty = venc_on_queue_empty,
    + .get_debug_info = venc_get_debug_info,
    + .wait_prepare = vpu_inst_unlock,
    + .wait_finish = vpu_inst_lock,
    +};
    +
    +static void venc_init(struct file *file)
    +{
    + struct vpu_inst *inst = to_inst(file);
    + struct venc_t *venc;
    + struct v4l2_format f;
    + struct v4l2_streamparm parm;
    +
    + venc = inst->priv;
    + venc->params.qp_min = 1;
    + venc->params.qp_max = 51;
    + venc->params.qp_min_i = 1;
    + venc->params.qp_max_i = 51;
    + venc->params.bitrate_min = BITRATE_MIN;
    +
    + memset(&f, 0, sizeof(f));
    + f.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
    + f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
    + f.fmt.pix_mp.width = 1280;
    + f.fmt.pix_mp.height = 720;
    + f.fmt.pix_mp.field = V4L2_FIELD_NONE;
    + f.fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
    + venc_s_fmt(file, &inst->fh, &f);
    +
    + memset(&f, 0, sizeof(f));
    + f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
    + f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
    + f.fmt.pix_mp.width = 1280;
    + f.fmt.pix_mp.height = 720;
    + f.fmt.pix_mp.field = V4L2_FIELD_NONE;
    + venc_s_fmt(file, &inst->fh, &f);
    +
    + memset(&parm, 0, sizeof(parm));
    + parm.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
    + parm.parm.capture.timeperframe.numerator = 1;
    + parm.parm.capture.timeperframe.denominator = 30;
    + venc_s_parm(file, &inst->fh, &parm);
    +}
    +
    +static int venc_open(struct file *file)
    +{
    + struct vpu_inst *inst;
    + struct venc_t *venc;
    + int ret;
    +
    + inst = vzalloc(sizeof(*inst));
    + if (!inst)
    + return -ENOMEM;
    +
    + venc = vzalloc(sizeof(*venc));
    + if (!venc) {
    + vfree(inst);
    + return -ENOMEM;
    + }
    +
    + inst->ops = &venc_inst_ops;
    + inst->formats = venc_formats;
    + inst->type = VPU_CORE_TYPE_ENC;
    + inst->priv = venc;
    + INIT_LIST_HEAD(&venc->frames);
    + init_waitqueue_head(&venc->wq);
    +
    + ret = vpu_v4l2_open(file, inst);
    + if (ret)
    + return ret;
    +
    + venc_init(file);
    +
    + return 0;
    +}
    +
    +static const struct v4l2_file_operations venc_fops = {
    + .owner = THIS_MODULE,
    + .open = venc_open,
    + .release = vpu_v4l2_close,
    + .unlocked_ioctl = video_ioctl2,
    + .poll = v4l2_m2m_fop_poll,
    + .mmap = v4l2_m2m_fop_mmap,
    +};
    +
    +const struct v4l2_ioctl_ops *venc_get_ioctl_ops(void)
    +{
    + return &venc_ioctl_ops;
    +}
    +
    +const struct v4l2_file_operations *venc_get_fops(void)
    +{
    + return &venc_fops;
    +}
    --
    2.33.0
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      Last update: 2022-02-24 04:12    [W:6.466 / U:0.324 seconds]
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