/*
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* Rockchip isp1 driver
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*
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* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/kfifo.h>
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#include <media/v4l2-common.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 "dev.h"
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#include "regs.h"
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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_isp_stats_vdev *stats_vdev = 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->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_isp_stats_vdev *stats_vdev = 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->vdev_fmt.fmt.meta.dataformat;
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meta->buffersize = stats_vdev->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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struct rkisp1_isp_stats_vdev *stats_vdev = video_get_drvdata(vdev);
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strcpy(cap->driver, DRIVER_NAME);
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snprintf(cap->driver, sizeof(cap->driver),
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"%s_v%d", DRIVER_NAME,
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stats_vdev->dev->isp_ver >> 4);
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strlcpy(cap->card, vdev->name, sizeof(cap->card));
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strlcpy(cap->bus_info, "platform: " DRIVER_NAME, 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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};
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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_ctxs[])
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{
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struct rkisp1_isp_stats_vdev *stats_vdev = vq->drv_priv;
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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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INIT_LIST_HEAD(&stats_vdev->stat);
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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 = to_rkisp1_buffer(vbuf);
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struct vb2_queue *vq = vb->vb2_queue;
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struct rkisp1_isp_stats_vdev *stats_dev = vq->drv_priv;
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stats_buf->vaddr[0] = vb2_plane_vaddr(vb, 0);
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spin_lock_bh(&stats_dev->rd_lock);
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list_add_tail(&stats_buf->queue, &stats_dev->stat);
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spin_unlock_bh(&stats_dev->rd_lock);
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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_isp_stats_vdev *stats_vdev = vq->drv_priv;
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struct rkisp1_buffer *buf;
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unsigned long flags;
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int i;
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/* Make sure no new work queued in isr before draining wq */
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spin_lock_irqsave(&stats_vdev->irq_lock, flags);
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stats_vdev->streamon = false;
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spin_unlock_irqrestore(&stats_vdev->irq_lock, flags);
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tasklet_disable(&stats_vdev->rd_tasklet);
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spin_lock_bh(&stats_vdev->rd_lock);
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for (i = 0; i < RKISP1_ISP_STATS_REQ_BUFS_MAX; i++) {
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if (list_empty(&stats_vdev->stat))
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break;
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buf = list_first_entry(&stats_vdev->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_bh(&stats_vdev->rd_lock);
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}
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static int
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rkisp1_stats_vb2_start_streaming(struct vb2_queue *queue,
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unsigned int count)
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{
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struct rkisp1_isp_stats_vdev *stats_vdev = queue->drv_priv;
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stats_vdev->streamon = true;
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kfifo_reset(&stats_vdev->rd_kfifo);
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tasklet_enable(&stats_vdev->rd_tasklet);
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return 0;
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}
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static 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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.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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.start_streaming = rkisp1_stats_vb2_start_streaming,
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};
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static int rkisp1_stats_init_vb2_queue(struct vb2_queue *q,
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struct rkisp1_isp_stats_vdev *stats_vdev)
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{
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q->type = V4L2_BUF_TYPE_META_CAPTURE;
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q->io_modes = VB2_MMAP | VB2_USERPTR;
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q->drv_priv = stats_vdev;
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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 = &stats_vdev->dev->iqlock;
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q->dev = stats_vdev->dev->dev;
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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_isp_stats_vdev *stats_vdev,
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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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u32 reg_val;
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pbuf->meas_type |= CIFISP_STAT_AWB;
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reg_val = readl(stats_vdev->dev->base_addr + CIF_ISP_AWB_WHITE_CNT_V10);
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pbuf->params.awb.awb_mean[0].cnt = CIF_ISP_AWB_GET_PIXEL_CNT(reg_val);
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reg_val = readl(stats_vdev->dev->base_addr + CIF_ISP_AWB_MEAN_V10);
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pbuf->params.awb.awb_mean[0].mean_cr_or_r =
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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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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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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_isp_stats_vdev *stats_vdev,
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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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u32 reg_val;
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pbuf->meas_type |= CIFISP_STAT_AWB;
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reg_val = readl(stats_vdev->dev->base_addr + CIF_ISP_AWB_WHITE_CNT_V12);
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pbuf->params.awb.awb_mean[0].cnt = CIF_ISP_AWB_GET_PIXEL_CNT(reg_val);
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reg_val = readl(stats_vdev->dev->base_addr + CIF_ISP_AWB_MEAN_V12);
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pbuf->params.awb.awb_mean[0].mean_cr_or_r =
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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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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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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_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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unsigned int i;
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void __iomem *addr = stats_vdev->dev->base_addr + CIF_ISP_EXP_MEAN_00_V10;
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pbuf->meas_type |= CIFISP_STAT_AUTOEXP;
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for (i = 0; i < stats_vdev->config->ae_mean_max; i++)
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pbuf->params.ae.exp_mean[i] = (u8)readl(addr + i * 4);
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}
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static void rkisp1_stats_get_aec_meas_v12(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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int i;
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void __iomem *addr = stats_vdev->dev->base_addr + CIF_ISP_EXP_MEAN_V12;
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u32 value;
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pbuf->meas_type |= CIFISP_STAT_AUTOEXP;
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for (i = 0; i < stats_vdev->config->ae_mean_max / 4; i++) {
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value = readl(addr + i * 4);
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pbuf->params.ae.exp_mean[4 * i + 0] = CIF_ISP_EXP_GET_MEAN_xy0_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 1] = CIF_ISP_EXP_GET_MEAN_xy1_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 2] = CIF_ISP_EXP_GET_MEAN_xy2_V12(value);
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pbuf->params.ae.exp_mean[4 * i + 3] = CIF_ISP_EXP_GET_MEAN_xy3_V12(value);
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}
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value = readl(addr + i * 4);
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pbuf->params.ae.exp_mean[4 * i + 0] = 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_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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void __iomem *base_addr;
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struct cifisp_af_stat *af;
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pbuf->meas_type |= CIFISP_STAT_AFM_FIN;
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af = &pbuf->params.af;
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base_addr = stats_vdev->dev->base_addr;
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af->window[0].sum = readl(base_addr + CIF_ISP_AFM_SUM_A);
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af->window[0].lum = readl(base_addr + CIF_ISP_AFM_LUM_A);
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af->window[1].sum = readl(base_addr + CIF_ISP_AFM_SUM_B);
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af->window[1].lum = readl(base_addr + CIF_ISP_AFM_LUM_B);
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af->window[2].sum = readl(base_addr + CIF_ISP_AFM_SUM_C);
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af->window[2].lum = readl(base_addr + CIF_ISP_AFM_LUM_C);
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}
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static void rkisp1_stats_get_hst_meas_v10(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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int i;
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void __iomem *addr = stats_vdev->dev->base_addr + CIF_ISP_HIST_BIN_0_V10;
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pbuf->meas_type |= CIFISP_STAT_HIST;
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for (i = 0; i < stats_vdev->config->hist_bin_n_max; i++)
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pbuf->params.hist.hist_bins[i] = readl(addr + (i * 4));
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}
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static void rkisp1_stats_get_hst_meas_v12(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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int i;
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void __iomem *addr = stats_vdev->dev->base_addr + CIF_ISP_HIST_BIN_V12;
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u32 value;
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pbuf->meas_type |= CIFISP_STAT_HIST;
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for (i = 0; i < stats_vdev->config->hist_bin_n_max / 2; i++) {
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value = readl(addr + (i * 4));
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pbuf->params.hist.hist_bins[2 * i] = CIF_ISP_HIST_GET_BIN0_V12(value);
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pbuf->params.hist.hist_bins[2 * i + 1] = 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_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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struct rkisp1_device *dev = stats_vdev->dev;
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const struct ispsd_in_fmt *in_fmt =
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rkisp1_get_ispsd_in_fmt(&dev->isp_sdev);
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void __iomem *base = stats_vdev->dev->base_addr;
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struct cifisp_bls_meas_val *bls_val;
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bls_val = &pbuf->params.ae.bls_val;
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if (in_fmt->bayer_pat == RAW_BGGR) {
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bls_val->meas_b = readl(base + CIF_ISP_BLS_A_MEASURED);
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bls_val->meas_gb = readl(base + CIF_ISP_BLS_B_MEASURED);
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bls_val->meas_gr = readl(base + CIF_ISP_BLS_C_MEASURED);
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bls_val->meas_r = readl(base + CIF_ISP_BLS_D_MEASURED);
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} else if (in_fmt->bayer_pat == RAW_GBRG) {
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bls_val->meas_gb = readl(base + CIF_ISP_BLS_A_MEASURED);
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bls_val->meas_b = readl(base + CIF_ISP_BLS_B_MEASURED);
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bls_val->meas_r = readl(base + CIF_ISP_BLS_C_MEASURED);
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bls_val->meas_gr = readl(base + CIF_ISP_BLS_D_MEASURED);
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} else if (in_fmt->bayer_pat == RAW_GRBG) {
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bls_val->meas_gr = readl(base + CIF_ISP_BLS_A_MEASURED);
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bls_val->meas_r = readl(base + CIF_ISP_BLS_B_MEASURED);
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bls_val->meas_b = readl(base + CIF_ISP_BLS_C_MEASURED);
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bls_val->meas_gb = readl(base + CIF_ISP_BLS_D_MEASURED);
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} else if (in_fmt->bayer_pat == RAW_RGGB) {
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bls_val->meas_r = readl(base + CIF_ISP_BLS_A_MEASURED);
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bls_val->meas_gr = readl(base + CIF_ISP_BLS_B_MEASURED);
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bls_val->meas_gb = readl(base + CIF_ISP_BLS_C_MEASURED);
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bls_val->meas_b = readl(base + CIF_ISP_BLS_D_MEASURED);
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}
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}
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static void rkisp1_stats_get_emb_data(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf)
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{
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unsigned int i;
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struct rkisp1_device *dev = stats_vdev->dev;
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unsigned int ph = 0, out = 0, packet_len = 0, playload_len = 0;
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unsigned int mipi_kfifo_len;
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unsigned int idx;
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unsigned char *fifo_data;
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idx = RKISP1_EMDDATA_FIFO_MAX;
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for (i = 0; i < RKISP1_EMDDATA_FIFO_MAX; i++) {
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if (dev->emd_data_fifo[i].frame_id == pbuf->frame_id) {
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idx = i;
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break;
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}
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}
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if (idx == RKISP1_EMDDATA_FIFO_MAX)
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return;
|
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if (kfifo_is_empty(&dev->emd_data_fifo[idx].mipi_kfifo))
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return;
|
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mipi_kfifo_len = dev->emd_data_fifo[idx].data_len;
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fifo_data = &pbuf->params.emd.data[0];
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for (i = 0; i < mipi_kfifo_len;) {
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/* handle the package header */
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out = kfifo_out(&dev->emd_data_fifo[idx].mipi_kfifo,
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&ph, sizeof(ph));
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if (!out)
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break;
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packet_len = (ph >> 8) & 0xfff;
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i += sizeof(ph);
|
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/* handle the package data */
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out = kfifo_out(&dev->emd_data_fifo[idx].mipi_kfifo,
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fifo_data, packet_len);
|
if (!out)
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break;
|
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i += packet_len;
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playload_len += packet_len;
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fifo_data += packet_len;
|
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v4l2_dbg(1, rkisp1_debug, &dev->v4l2_dev,
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"packet_len: 0x%x, ph: 0x%x\n",
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packet_len, ph);
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}
|
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pbuf->meas_type |= CIFISP_STAT_EMB_DATA;
|
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v4l2_dbg(1, rkisp1_debug, &dev->v4l2_dev,
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"playload_len: %d, pbuf->frame_id %d\n",
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playload_len, pbuf->frame_id);
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}
|
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static struct rkisp1_stats_ops rkisp1_v10_stats_ops = {
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.get_awb_meas = rkisp1_stats_get_awb_meas_v10,
|
.get_aec_meas = rkisp1_stats_get_aec_meas_v10,
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.get_afc_meas = rkisp1_stats_get_afc_meas,
|
.get_hst_meas = rkisp1_stats_get_hst_meas_v10,
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.get_bls_meas = rkisp1_stats_get_bls_meas,
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.get_emb_data = rkisp1_stats_get_emb_data,
|
};
|
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static struct rkisp1_stats_ops rkisp1_v12_stats_ops = {
|
.get_awb_meas = rkisp1_stats_get_awb_meas_v12,
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.get_aec_meas = rkisp1_stats_get_aec_meas_v12,
|
.get_afc_meas = rkisp1_stats_get_afc_meas,
|
.get_hst_meas = rkisp1_stats_get_hst_meas_v12,
|
.get_bls_meas = rkisp1_stats_get_bls_meas,
|
};
|
|
static struct rkisp1_stats_config rkisp1_v10_stats_config = {
|
.ae_mean_max = 25,
|
.hist_bin_n_max = 16,
|
};
|
|
static struct rkisp1_stats_config rkisp1_v12_stats_config = {
|
.ae_mean_max = 81,
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.hist_bin_n_max = 32,
|
};
|
|
static void
|
rkisp1_stats_send_measurement(struct rkisp1_isp_stats_vdev *stats_vdev,
|
struct rkisp1_isp_readout_work *meas_work)
|
{
|
unsigned int cur_frame_id = -1;
|
struct rkisp1_stat_buffer *cur_stat_buf;
|
struct rkisp1_buffer *cur_buf = NULL;
|
struct rkisp1_stats_ops *ops = stats_vdev->ops;
|
|
cur_frame_id = atomic_read(&stats_vdev->dev->isp_sdev.frm_sync_seq) - 1;
|
if (cur_frame_id != meas_work->frame_id) {
|
v4l2_warn(stats_vdev->vnode.vdev.v4l2_dev,
|
"Measurement late(%d, %d)\n",
|
cur_frame_id, meas_work->frame_id);
|
cur_frame_id = meas_work->frame_id;
|
}
|
|
spin_lock(&stats_vdev->rd_lock);
|
/* get one empty buffer */
|
if (!list_empty(&stats_vdev->stat)) {
|
cur_buf = list_first_entry(&stats_vdev->stat,
|
struct rkisp1_buffer, queue);
|
list_del(&cur_buf->queue);
|
}
|
spin_unlock(&stats_vdev->rd_lock);
|
|
if (!cur_buf)
|
return;
|
|
cur_stat_buf =
|
(struct rkisp1_stat_buffer *)(cur_buf->vaddr[0]);
|
memset(cur_stat_buf, 0, sizeof(*cur_stat_buf));
|
cur_stat_buf->frame_id = cur_frame_id;
|
if (meas_work->isp_ris & CIF_ISP_AWB_DONE) {
|
ops->get_awb_meas(stats_vdev, cur_stat_buf);
|
cur_stat_buf->meas_type |= CIFISP_STAT_AWB;
|
}
|
|
if (meas_work->isp_ris & CIF_ISP_AFM_FIN) {
|
ops->get_afc_meas(stats_vdev, cur_stat_buf);
|
cur_stat_buf->meas_type |= CIFISP_STAT_AFM_FIN;
|
}
|
|
if (meas_work->isp_ris & CIF_ISP_EXP_END) {
|
ops->get_aec_meas(stats_vdev, cur_stat_buf);
|
ops->get_bls_meas(stats_vdev, cur_stat_buf);
|
cur_stat_buf->meas_type |= CIFISP_STAT_AUTOEXP;
|
}
|
|
if (meas_work->isp_ris & CIF_ISP_HIST_MEASURE_RDY) {
|
ops->get_hst_meas(stats_vdev, cur_stat_buf);
|
cur_stat_buf->meas_type |= CIFISP_STAT_HIST;
|
}
|
|
if ((meas_work->isp_ris & CIF_ISP_FRAME) &&
|
ops->get_emb_data)
|
ops->get_emb_data(stats_vdev, cur_stat_buf);
|
|
vb2_set_plane_payload(&cur_buf->vb.vb2_buf, 0,
|
sizeof(struct rkisp1_stat_buffer));
|
cur_buf->vb.sequence = cur_frame_id;
|
cur_buf->vb.vb2_buf.timestamp = meas_work->timestamp;
|
vb2_buffer_done(&cur_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
|
}
|
|
static void rkisp1_stats_readout_task(unsigned long data)
|
{
|
unsigned int out = 0;
|
struct rkisp1_isp_readout_work work;
|
struct rkisp1_isp_stats_vdev *vdev =
|
(struct rkisp1_isp_stats_vdev *)data;
|
|
while (!kfifo_is_empty(&vdev->rd_kfifo)) {
|
out = kfifo_out(&vdev->rd_kfifo,
|
&work, sizeof(work));
|
if (!out)
|
break;
|
|
if (work.readout == RKISP1_ISP_READOUT_MEAS)
|
rkisp1_stats_send_measurement(vdev, &work);
|
}
|
}
|
|
int rkisp1_stats_isr(struct rkisp1_isp_stats_vdev *stats_vdev, u32 isp_ris)
|
{
|
unsigned int isp_mis_tmp = 0;
|
struct rkisp1_isp_readout_work work;
|
unsigned int cur_frame_id =
|
atomic_read(&stats_vdev->dev->isp_sdev.frm_sync_seq) - 1;
|
#ifdef LOG_ISR_EXE_TIME
|
ktime_t in_t = ktime_get();
|
#endif
|
|
spin_lock(&stats_vdev->irq_lock);
|
|
isp_mis_tmp = isp_ris & (CIF_ISP_AWB_DONE | CIF_ISP_AFM_FIN |
|
CIF_ISP_EXP_END | CIF_ISP_HIST_MEASURE_RDY);
|
if (isp_mis_tmp) {
|
writel(isp_mis_tmp,
|
stats_vdev->dev->base_addr + CIF_ISP_ICR);
|
|
isp_mis_tmp &= readl(stats_vdev->dev->base_addr + CIF_ISP_MIS);
|
if (isp_mis_tmp)
|
v4l2_err(stats_vdev->vnode.vdev.v4l2_dev,
|
"isp icr 3A info err: 0x%x 0x%x\n",
|
isp_mis_tmp, isp_ris);
|
}
|
|
if (!stats_vdev->streamon)
|
goto unlock;
|
|
if (isp_ris & (CIF_ISP_FRAME | CIF_ISP_AWB_DONE |
|
CIF_ISP_AFM_FIN | CIF_ISP_EXP_END |
|
CIF_ISP_HIST_MEASURE_RDY)) {
|
work.readout = RKISP1_ISP_READOUT_MEAS;
|
work.frame_id = cur_frame_id;
|
work.isp_ris = isp_ris;
|
work.timestamp = ktime_get_ns();
|
if (!kfifo_is_full(&stats_vdev->rd_kfifo))
|
kfifo_in(&stats_vdev->rd_kfifo,
|
&work, sizeof(work));
|
else
|
v4l2_err(stats_vdev->vnode.vdev.v4l2_dev,
|
"stats kfifo is full\n");
|
|
tasklet_schedule(&stats_vdev->rd_tasklet);
|
}
|
|
#ifdef LOG_ISR_EXE_TIME
|
if (isp_ris & (CIF_ISP_EXP_END | CIF_ISP_AWB_DONE |
|
CIF_ISP_FRAME | CIF_ISP_HIST_MEASURE_RDY)) {
|
unsigned int diff_us =
|
ktime_to_us(ktime_sub(ktime_get(), in_t));
|
|
if (diff_us > g_longest_isr_time)
|
g_longest_isr_time = diff_us;
|
|
v4l2_info(stats_vdev->vnode.vdev.v4l2_dev,
|
"isp_isr time %d %d\n", diff_us, g_longest_isr_time);
|
}
|
#endif
|
|
unlock:
|
spin_unlock(&stats_vdev->irq_lock);
|
|
return 0;
|
}
|
|
static void rkisp1_init_stats_vdev(struct rkisp1_isp_stats_vdev *stats_vdev)
|
{
|
stats_vdev->vdev_fmt.fmt.meta.dataformat =
|
V4L2_META_FMT_RK_ISP1_STAT_3A;
|
stats_vdev->vdev_fmt.fmt.meta.buffersize =
|
sizeof(struct rkisp1_stat_buffer);
|
|
if (stats_vdev->dev->isp_ver == ISP_V12 ||
|
stats_vdev->dev->isp_ver == ISP_V13) {
|
stats_vdev->ops = &rkisp1_v12_stats_ops;
|
stats_vdev->config = &rkisp1_v12_stats_config;
|
} else {
|
stats_vdev->ops = &rkisp1_v10_stats_ops;
|
stats_vdev->config = &rkisp1_v10_stats_config;
|
}
|
}
|
|
int rkisp1_register_stats_vdev(struct rkisp1_isp_stats_vdev *stats_vdev,
|
struct v4l2_device *v4l2_dev,
|
struct rkisp1_device *dev)
|
{
|
int ret;
|
struct rkisp1_vdev_node *node = &stats_vdev->vnode;
|
struct video_device *vdev = &node->vdev;
|
|
stats_vdev->dev = dev;
|
INIT_LIST_HEAD(&stats_vdev->stat);
|
spin_lock_init(&stats_vdev->irq_lock);
|
spin_lock_init(&stats_vdev->rd_lock);
|
|
strlcpy(vdev->name, "rkisp1-statistics", sizeof(vdev->name));
|
|
video_set_drvdata(vdev, stats_vdev);
|
vdev->ioctl_ops = &rkisp1_stats_ioctl;
|
vdev->fops = &rkisp1_stats_fops;
|
vdev->release = video_device_release_empty;
|
vdev->lock = &dev->iqlock;
|
vdev->v4l2_dev = 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_vdev);
|
rkisp1_init_stats_vdev(stats_vdev);
|
video_set_drvdata(vdev, stats_vdev);
|
|
node->pad.flags = MEDIA_PAD_FL_SINK;
|
ret = media_entity_pads_init(&vdev->entity, 1, &node->pad);
|
if (ret < 0)
|
goto err_release_queue;
|
|
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
|
if (ret < 0) {
|
dev_err(&vdev->dev,
|
"could not register Video for Linux device\n");
|
goto err_cleanup_media_entity;
|
}
|
|
ret = kfifo_alloc(&stats_vdev->rd_kfifo,
|
RKISP1_READOUT_WORK_SIZE,
|
GFP_KERNEL);
|
if (ret) {
|
dev_err(&vdev->dev,
|
"kfifo_alloc failed with error %d\n",
|
ret);
|
goto err_cleanup_media_entity;
|
}
|
|
tasklet_init(&stats_vdev->rd_tasklet,
|
rkisp1_stats_readout_task,
|
(unsigned long)stats_vdev);
|
tasklet_disable(&stats_vdev->rd_tasklet);
|
|
return 0;
|
|
err_cleanup_media_entity:
|
media_entity_cleanup(&vdev->entity);
|
err_release_queue:
|
vb2_queue_release(vdev->queue);
|
return ret;
|
}
|
|
void rkisp1_unregister_stats_vdev(struct rkisp1_isp_stats_vdev *stats_vdev)
|
{
|
struct rkisp1_vdev_node *node = &stats_vdev->vnode;
|
struct video_device *vdev = &node->vdev;
|
|
kfifo_free(&stats_vdev->rd_kfifo);
|
tasklet_kill(&stats_vdev->rd_tasklet);
|
video_unregister_device(vdev);
|
media_entity_cleanup(&vdev->entity);
|
vb2_queue_release(vdev->queue);
|
}
|
