497 lines
15 KiB
C
497 lines
15 KiB
C
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Rockchip ISP1 Driver - Stats subdevice
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*
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* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
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*/
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#include <media/v4l2-common.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-ioctl.h>
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-vmalloc.h> /* for ISP statistics */
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#include "rkisp1-common.h"
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#define RKISP1_STATS_DEV_NAME RKISP1_DRIVER_NAME "_stats"
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#define RKISP1_ISP_STATS_REQ_BUFS_MIN 2
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#define RKISP1_ISP_STATS_REQ_BUFS_MAX 8
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static int rkisp1_stats_enum_fmt_meta_cap(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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struct video_device *video = video_devdata(file);
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struct rkisp1_stats *stats = video_get_drvdata(video);
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if (f->index > 0 || f->type != video->queue->type)
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return -EINVAL;
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f->pixelformat = stats->vdev_fmt.fmt.meta.dataformat;
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return 0;
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}
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static int rkisp1_stats_g_fmt_meta_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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struct video_device *video = video_devdata(file);
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struct rkisp1_stats *stats = video_get_drvdata(video);
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struct v4l2_meta_format *meta = &f->fmt.meta;
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if (f->type != video->queue->type)
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return -EINVAL;
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memset(meta, 0, sizeof(*meta));
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meta->dataformat = stats->vdev_fmt.fmt.meta.dataformat;
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meta->buffersize = stats->vdev_fmt.fmt.meta.buffersize;
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return 0;
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}
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static int rkisp1_stats_querycap(struct file *file,
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void *priv, struct v4l2_capability *cap)
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{
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struct video_device *vdev = video_devdata(file);
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strscpy(cap->driver, RKISP1_DRIVER_NAME, sizeof(cap->driver));
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strscpy(cap->card, vdev->name, sizeof(cap->card));
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strscpy(cap->bus_info, RKISP1_BUS_INFO, sizeof(cap->bus_info));
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return 0;
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}
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/* ISP video device IOCTLs */
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static const struct v4l2_ioctl_ops rkisp1_stats_ioctl = {
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.vidioc_reqbufs = vb2_ioctl_reqbufs,
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.vidioc_querybuf = vb2_ioctl_querybuf,
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.vidioc_create_bufs = vb2_ioctl_create_bufs,
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.vidioc_qbuf = vb2_ioctl_qbuf,
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.vidioc_dqbuf = vb2_ioctl_dqbuf,
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.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
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.vidioc_expbuf = vb2_ioctl_expbuf,
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.vidioc_streamon = vb2_ioctl_streamon,
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.vidioc_streamoff = vb2_ioctl_streamoff,
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.vidioc_enum_fmt_meta_cap = rkisp1_stats_enum_fmt_meta_cap,
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.vidioc_g_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_s_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_try_fmt_meta_cap = rkisp1_stats_g_fmt_meta_cap,
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.vidioc_querycap = rkisp1_stats_querycap,
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.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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static const struct v4l2_file_operations rkisp1_stats_fops = {
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.mmap = vb2_fop_mmap,
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.unlocked_ioctl = video_ioctl2,
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.poll = vb2_fop_poll,
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.open = v4l2_fh_open,
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.release = vb2_fop_release
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};
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static int rkisp1_stats_vb2_queue_setup(struct vb2_queue *vq,
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unsigned int *num_buffers,
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unsigned int *num_planes,
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unsigned int sizes[],
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struct device *alloc_devs[])
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{
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*num_planes = 1;
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*num_buffers = clamp_t(u32, *num_buffers, RKISP1_ISP_STATS_REQ_BUFS_MIN,
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RKISP1_ISP_STATS_REQ_BUFS_MAX);
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sizes[0] = sizeof(struct rkisp1_stat_buffer);
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return 0;
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}
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static void rkisp1_stats_vb2_buf_queue(struct vb2_buffer *vb)
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{
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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struct rkisp1_buffer *stats_buf =
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container_of(vbuf, struct rkisp1_buffer, vb);
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struct vb2_queue *vq = vb->vb2_queue;
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struct rkisp1_stats *stats_dev = vq->drv_priv;
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spin_lock_irq(&stats_dev->lock);
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list_add_tail(&stats_buf->queue, &stats_dev->stat);
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spin_unlock_irq(&stats_dev->lock);
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}
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static int rkisp1_stats_vb2_buf_prepare(struct vb2_buffer *vb)
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{
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if (vb2_plane_size(vb, 0) < sizeof(struct rkisp1_stat_buffer))
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return -EINVAL;
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vb2_set_plane_payload(vb, 0, sizeof(struct rkisp1_stat_buffer));
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return 0;
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}
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static void rkisp1_stats_vb2_stop_streaming(struct vb2_queue *vq)
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{
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struct rkisp1_stats *stats = vq->drv_priv;
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struct rkisp1_buffer *buf;
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unsigned int i;
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spin_lock_irq(&stats->lock);
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for (i = 0; i < RKISP1_ISP_STATS_REQ_BUFS_MAX; i++) {
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if (list_empty(&stats->stat))
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break;
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buf = list_first_entry(&stats->stat,
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struct rkisp1_buffer, queue);
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list_del(&buf->queue);
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vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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}
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spin_unlock_irq(&stats->lock);
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}
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static const struct vb2_ops rkisp1_stats_vb2_ops = {
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.queue_setup = rkisp1_stats_vb2_queue_setup,
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.buf_queue = rkisp1_stats_vb2_buf_queue,
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.buf_prepare = rkisp1_stats_vb2_buf_prepare,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.stop_streaming = rkisp1_stats_vb2_stop_streaming,
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};
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static int
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rkisp1_stats_init_vb2_queue(struct vb2_queue *q, struct rkisp1_stats *stats)
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{
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struct rkisp1_vdev_node *node;
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node = container_of(q, struct rkisp1_vdev_node, buf_queue);
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q->type = V4L2_BUF_TYPE_META_CAPTURE;
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q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
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q->drv_priv = stats;
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q->ops = &rkisp1_stats_vb2_ops;
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q->mem_ops = &vb2_vmalloc_memops;
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q->buf_struct_size = sizeof(struct rkisp1_buffer);
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q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
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q->lock = &node->vlock;
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return vb2_queue_init(q);
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}
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static void rkisp1_stats_get_awb_meas_v10(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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/* Protect against concurrent access from ISR? */
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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u32 reg_val;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AWB;
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reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_WHITE_CNT_V10);
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pbuf->params.awb.awb_mean[0].cnt =
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RKISP1_CIF_ISP_AWB_GET_PIXEL_CNT(reg_val);
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reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_MEAN_V10);
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pbuf->params.awb.awb_mean[0].mean_cr_or_r =
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RKISP1_CIF_ISP_AWB_GET_MEAN_CR_R(reg_val);
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pbuf->params.awb.awb_mean[0].mean_cb_or_b =
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RKISP1_CIF_ISP_AWB_GET_MEAN_CB_B(reg_val);
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pbuf->params.awb.awb_mean[0].mean_y_or_g =
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RKISP1_CIF_ISP_AWB_GET_MEAN_Y_G(reg_val);
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}
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static void rkisp1_stats_get_awb_meas_v12(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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/* Protect against concurrent access from ISR? */
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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u32 reg_val;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AWB;
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reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_WHITE_CNT_V12);
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pbuf->params.awb.awb_mean[0].cnt =
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RKISP1_CIF_ISP_AWB_GET_PIXEL_CNT(reg_val);
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reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AWB_MEAN_V12);
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pbuf->params.awb.awb_mean[0].mean_cr_or_r =
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RKISP1_CIF_ISP_AWB_GET_MEAN_CR_R(reg_val);
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pbuf->params.awb.awb_mean[0].mean_cb_or_b =
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RKISP1_CIF_ISP_AWB_GET_MEAN_CB_B(reg_val);
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pbuf->params.awb.awb_mean[0].mean_y_or_g =
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RKISP1_CIF_ISP_AWB_GET_MEAN_Y_G(reg_val);
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}
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static void rkisp1_stats_get_aec_meas_v10(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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unsigned int i;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AUTOEXP;
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for (i = 0; i < RKISP1_CIF_ISP_AE_MEAN_MAX_V10; i++)
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pbuf->params.ae.exp_mean[i] =
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(u8)rkisp1_read(rkisp1,
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RKISP1_CIF_ISP_EXP_MEAN_00_V10 + i * 4);
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}
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static void rkisp1_stats_get_aec_meas_v12(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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u32 value;
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int i;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AUTOEXP;
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for (i = 0; i < RKISP1_CIF_ISP_AE_MEAN_MAX_V12 / 4; i++) {
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value = rkisp1_read(rkisp1, RKISP1_CIF_ISP_EXP_MEAN_V12 + i * 4);
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pbuf->params.ae.exp_mean[4 * i + 0] =
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RKISP1_CIF_ISP_EXP_GET_MEAN_xy0_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 1] =
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RKISP1_CIF_ISP_EXP_GET_MEAN_xy1_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 2] =
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RKISP1_CIF_ISP_EXP_GET_MEAN_xy2_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 3] =
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RKISP1_CIF_ISP_EXP_GET_MEAN_xy3_V12(value);
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}
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value = rkisp1_read(rkisp1, RKISP1_CIF_ISP_EXP_MEAN_V12 + i * 4);
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pbuf->params.ae.exp_mean[4 * i + 0] = RKISP1_CIF_ISP_EXP_GET_MEAN_xy0_V12(value);
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}
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static void rkisp1_stats_get_afc_meas(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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struct rkisp1_cif_isp_af_stat *af;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_AFM;
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af = &pbuf->params.af;
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af->window[0].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_A);
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af->window[0].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_A);
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af->window[1].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_B);
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af->window[1].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_B);
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af->window[2].sum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_SUM_C);
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af->window[2].lum = rkisp1_read(rkisp1, RKISP1_CIF_ISP_AFM_LUM_C);
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}
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static void rkisp1_stats_get_hst_meas_v10(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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unsigned int i;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_HIST;
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for (i = 0; i < RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10; i++) {
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u32 reg_val = rkisp1_read(rkisp1, RKISP1_CIF_ISP_HIST_BIN_0_V10 + i * 4);
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pbuf->params.hist.hist_bins[i] = RKISP1_CIF_ISP_HIST_GET_BIN_V10(reg_val);
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}
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}
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static void rkisp1_stats_get_hst_meas_v12(struct rkisp1_stats *stats,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *rkisp1 = stats->rkisp1;
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u32 value;
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int i;
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pbuf->meas_type |= RKISP1_CIF_ISP_STAT_HIST;
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for (i = 0; i < RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12 / 2; i++) {
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value = rkisp1_read(rkisp1, RKISP1_CIF_ISP_HIST_BIN_V12 + i * 4);
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pbuf->params.hist.hist_bins[2 * i] =
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RKISP1_CIF_ISP_HIST_GET_BIN0_V12(value);
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pbuf->params.hist.hist_bins[2 * i + 1] =
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RKISP1_CIF_ISP_HIST_GET_BIN1_V12(value);
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}
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}
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static void rkisp1_stats_get_bls_meas(struct rkisp1_stats *stats,
|
||
|
|
struct rkisp1_stat_buffer *pbuf)
|
||
|
|
{
|
||
|
|
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||
|
|
const struct rkisp1_mbus_info *in_fmt = rkisp1->isp.sink_fmt;
|
||
|
|
struct rkisp1_cif_isp_bls_meas_val *bls_val;
|
||
|
|
|
||
|
|
bls_val = &pbuf->params.ae.bls_val;
|
||
|
|
if (in_fmt->bayer_pat == RKISP1_RAW_BGGR) {
|
||
|
|
bls_val->meas_b =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||
|
|
bls_val->meas_gb =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||
|
|
bls_val->meas_gr =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||
|
|
bls_val->meas_r =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||
|
|
} else if (in_fmt->bayer_pat == RKISP1_RAW_GBRG) {
|
||
|
|
bls_val->meas_gb =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||
|
|
bls_val->meas_b =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||
|
|
bls_val->meas_r =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||
|
|
bls_val->meas_gr =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||
|
|
} else if (in_fmt->bayer_pat == RKISP1_RAW_GRBG) {
|
||
|
|
bls_val->meas_gr =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||
|
|
bls_val->meas_r =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||
|
|
bls_val->meas_b =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||
|
|
bls_val->meas_gb =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||
|
|
} else if (in_fmt->bayer_pat == RKISP1_RAW_RGGB) {
|
||
|
|
bls_val->meas_r =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
|
||
|
|
bls_val->meas_gr =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
|
||
|
|
bls_val->meas_gb =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
|
||
|
|
bls_val->meas_b =
|
||
|
|
rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct rkisp1_stats_ops rkisp1_v10_stats_ops = {
|
||
|
|
.get_awb_meas = rkisp1_stats_get_awb_meas_v10,
|
||
|
|
.get_aec_meas = rkisp1_stats_get_aec_meas_v10,
|
||
|
|
.get_hst_meas = rkisp1_stats_get_hst_meas_v10,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct rkisp1_stats_ops rkisp1_v12_stats_ops = {
|
||
|
|
.get_awb_meas = rkisp1_stats_get_awb_meas_v12,
|
||
|
|
.get_aec_meas = rkisp1_stats_get_aec_meas_v12,
|
||
|
|
.get_hst_meas = rkisp1_stats_get_hst_meas_v12,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void
|
||
|
|
rkisp1_stats_send_measurement(struct rkisp1_stats *stats, u32 isp_ris)
|
||
|
|
{
|
||
|
|
struct rkisp1_stat_buffer *cur_stat_buf;
|
||
|
|
struct rkisp1_buffer *cur_buf = NULL;
|
||
|
|
unsigned int frame_sequence = stats->rkisp1->isp.frame_sequence;
|
||
|
|
u64 timestamp = ktime_get_ns();
|
||
|
|
|
||
|
|
/* get one empty buffer */
|
||
|
|
if (!list_empty(&stats->stat)) {
|
||
|
|
cur_buf = list_first_entry(&stats->stat,
|
||
|
|
struct rkisp1_buffer, queue);
|
||
|
|
list_del(&cur_buf->queue);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!cur_buf)
|
||
|
|
return;
|
||
|
|
|
||
|
|
cur_stat_buf = (struct rkisp1_stat_buffer *)
|
||
|
|
vb2_plane_vaddr(&cur_buf->vb.vb2_buf, 0);
|
||
|
|
if (isp_ris & RKISP1_CIF_ISP_AWB_DONE)
|
||
|
|
stats->ops->get_awb_meas(stats, cur_stat_buf);
|
||
|
|
|
||
|
|
if (isp_ris & RKISP1_CIF_ISP_AFM_FIN)
|
||
|
|
rkisp1_stats_get_afc_meas(stats, cur_stat_buf);
|
||
|
|
|
||
|
|
if (isp_ris & RKISP1_CIF_ISP_EXP_END) {
|
||
|
|
stats->ops->get_aec_meas(stats, cur_stat_buf);
|
||
|
|
rkisp1_stats_get_bls_meas(stats, cur_stat_buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isp_ris & RKISP1_CIF_ISP_HIST_MEASURE_RDY)
|
||
|
|
stats->ops->get_hst_meas(stats, cur_stat_buf);
|
||
|
|
|
||
|
|
vb2_set_plane_payload(&cur_buf->vb.vb2_buf, 0,
|
||
|
|
sizeof(struct rkisp1_stat_buffer));
|
||
|
|
cur_buf->vb.sequence = frame_sequence;
|
||
|
|
cur_buf->vb.vb2_buf.timestamp = timestamp;
|
||
|
|
vb2_buffer_done(&cur_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris)
|
||
|
|
{
|
||
|
|
struct rkisp1_device *rkisp1 = stats->rkisp1;
|
||
|
|
unsigned int isp_mis_tmp = 0;
|
||
|
|
|
||
|
|
spin_lock(&stats->lock);
|
||
|
|
|
||
|
|
rkisp1_write(rkisp1, RKISP1_CIF_ISP_ICR, RKISP1_STATS_MEAS_MASK);
|
||
|
|
|
||
|
|
isp_mis_tmp = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS);
|
||
|
|
if (isp_mis_tmp & RKISP1_STATS_MEAS_MASK)
|
||
|
|
rkisp1->debug.stats_error++;
|
||
|
|
|
||
|
|
if (isp_ris & RKISP1_STATS_MEAS_MASK)
|
||
|
|
rkisp1_stats_send_measurement(stats, isp_ris);
|
||
|
|
|
||
|
|
spin_unlock(&stats->lock);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void rkisp1_init_stats(struct rkisp1_stats *stats)
|
||
|
|
{
|
||
|
|
stats->vdev_fmt.fmt.meta.dataformat =
|
||
|
|
V4L2_META_FMT_RK_ISP1_STAT_3A;
|
||
|
|
stats->vdev_fmt.fmt.meta.buffersize =
|
||
|
|
sizeof(struct rkisp1_stat_buffer);
|
||
|
|
|
||
|
|
if (stats->rkisp1->info->isp_ver == RKISP1_V12)
|
||
|
|
stats->ops = &rkisp1_v12_stats_ops;
|
||
|
|
else
|
||
|
|
stats->ops = &rkisp1_v10_stats_ops;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rkisp1_stats_register(struct rkisp1_device *rkisp1)
|
||
|
|
{
|
||
|
|
struct rkisp1_stats *stats = &rkisp1->stats;
|
||
|
|
struct rkisp1_vdev_node *node = &stats->vnode;
|
||
|
|
struct video_device *vdev = &node->vdev;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
stats->rkisp1 = rkisp1;
|
||
|
|
mutex_init(&node->vlock);
|
||
|
|
INIT_LIST_HEAD(&stats->stat);
|
||
|
|
spin_lock_init(&stats->lock);
|
||
|
|
|
||
|
|
strscpy(vdev->name, RKISP1_STATS_DEV_NAME, sizeof(vdev->name));
|
||
|
|
|
||
|
|
video_set_drvdata(vdev, stats);
|
||
|
|
vdev->ioctl_ops = &rkisp1_stats_ioctl;
|
||
|
|
vdev->fops = &rkisp1_stats_fops;
|
||
|
|
vdev->release = video_device_release_empty;
|
||
|
|
vdev->lock = &node->vlock;
|
||
|
|
vdev->v4l2_dev = &rkisp1->v4l2_dev;
|
||
|
|
vdev->queue = &node->buf_queue;
|
||
|
|
vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING;
|
||
|
|
vdev->vfl_dir = VFL_DIR_RX;
|
||
|
|
rkisp1_stats_init_vb2_queue(vdev->queue, stats);
|
||
|
|
rkisp1_init_stats(stats);
|
||
|
|
video_set_drvdata(vdev, stats);
|
||
|
|
|
||
|
|
node->pad.flags = MEDIA_PAD_FL_SINK;
|
||
|
|
ret = media_entity_pads_init(&vdev->entity, 1, &node->pad);
|
||
|
|
if (ret)
|
||
|
|
goto error;
|
||
|
|
|
||
|
|
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(&vdev->dev,
|
||
|
|
"failed to register %s, ret=%d\n", vdev->name, ret);
|
||
|
|
goto error;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
error:
|
||
|
|
media_entity_cleanup(&vdev->entity);
|
||
|
|
mutex_destroy(&node->vlock);
|
||
|
|
stats->rkisp1 = NULL;
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rkisp1_stats_unregister(struct rkisp1_device *rkisp1)
|
||
|
|
{
|
||
|
|
struct rkisp1_stats *stats = &rkisp1->stats;
|
||
|
|
struct rkisp1_vdev_node *node = &stats->vnode;
|
||
|
|
struct video_device *vdev = &node->vdev;
|
||
|
|
|
||
|
|
if (!stats->rkisp1)
|
||
|
|
return;
|
||
|
|
|
||
|
|
vb2_video_unregister_device(vdev);
|
||
|
|
media_entity_cleanup(&vdev->entity);
|
||
|
|
mutex_destroy(&node->vlock);
|
||
|
|
}
|