// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd. */
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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>
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#include <media/v4l2-event.h>
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#include <media/v4l2-mc.h>
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#include <linux/rk-isp1-config.h>
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#include <uapi/linux/rk-video-format.h>
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#include "dev.h"
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#include "regs.h"
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#define RKISP1_ISP_PARAMS_REQ_BUFS_MIN 2
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#define RKISP1_ISP_PARAMS_REQ_BUFS_MAX 8
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static int rkispp_params_enum_fmt_meta_out(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 rkispp_params_vdev *params_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 = params_vdev->vdev_fmt.fmt.meta.dataformat;
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return 0;
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}
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static int rkispp_params_g_fmt_meta_out(struct file *file, void *fh,
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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 rkispp_params_vdev *params_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 = params_vdev->vdev_fmt.fmt.meta.dataformat;
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meta->buffersize = params_vdev->vdev_fmt.fmt.meta.buffersize;
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return 0;
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}
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static int rkispp_params_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 rkispp_params_vdev *params_vdev = video_get_drvdata(vdev);
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snprintf(cap->driver, sizeof(cap->driver),
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"%s_v%d", DRIVER_NAME,
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params_vdev->dev->ispp_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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static int rkispp_params_subs_evt(struct v4l2_fh *fh,
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const struct v4l2_event_subscription *sub)
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{
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struct rkispp_params_vdev *params_vdev = video_get_drvdata(fh->vdev);
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if (sub->id != 0)
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return -EINVAL;
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switch (sub->type) {
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case CIFISP_V4L2_EVENT_STREAM_START:
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case CIFISP_V4L2_EVENT_STREAM_STOP:
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params_vdev->is_subs_evt = true;
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return v4l2_event_subscribe(fh, sub, 0, NULL);
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default:
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return -EINVAL;
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}
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}
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static int rkispp_params_unsubs_evt(struct v4l2_fh *fh,
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const struct v4l2_event_subscription *sub)
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{
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struct rkispp_params_vdev *params_vdev = video_get_drvdata(fh->vdev);
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params_vdev->is_subs_evt = false;
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return v4l2_event_unsubscribe(fh, sub);
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}
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static const struct v4l2_ioctl_ops rkispp_params_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_out = rkispp_params_enum_fmt_meta_out,
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.vidioc_g_fmt_meta_out = rkispp_params_g_fmt_meta_out,
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.vidioc_s_fmt_meta_out = rkispp_params_g_fmt_meta_out,
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.vidioc_try_fmt_meta_out = rkispp_params_g_fmt_meta_out,
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.vidioc_querycap = rkispp_params_querycap,
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.vidioc_subscribe_event = rkispp_params_subs_evt,
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.vidioc_unsubscribe_event = rkispp_params_unsubs_evt,
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};
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static int
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rkispp_param_init_fecbuf(struct rkispp_params_vdev *params,
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struct rkispp_fecbuf_size *fecsize)
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{
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struct rkispp_device *pp_dev = params->dev;
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struct rkispp_fec_head *fec_data;
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u32 width, height, mesh_size, buf_size;
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int i, ret;
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width = fecsize->meas_width;
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height = fecsize->meas_height;
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mesh_size = cal_fec_mesh(width, height, fecsize->meas_mode);
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buf_size = ALIGN(sizeof(struct rkispp_fec_head), 16);
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buf_size += 2 * (ALIGN(mesh_size * 2, 16) + ALIGN(mesh_size, 16));
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if (fecsize->buf_cnt > FEC_MESH_BUF_MAX)
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params->buf_cnt = FEC_MESH_BUF_MAX;
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else if (fecsize->buf_cnt > 0)
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params->buf_cnt = fecsize->buf_cnt;
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else
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params->buf_cnt = FEC_MESH_BUF_NUM;
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params->buf_fec_idx = 0;
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for (i = 0; i < params->buf_cnt; i++) {
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params->buf_fec[i].is_need_vaddr = true;
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params->buf_fec[i].is_need_dbuf = true;
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params->buf_fec[i].is_need_dmafd = true;
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params->buf_fec[i].size = PAGE_ALIGN(buf_size);
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ret = rkispp_allow_buffer(params->dev, ¶ms->buf_fec[i]);
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if (ret) {
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dev_err(pp_dev->dev, "can not alloc fec buffer\n");
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return ret;
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}
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fec_data = (struct rkispp_fec_head *)params->buf_fec[i].vaddr;
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fec_data->stat = FEC_BUF_INIT;
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fec_data->meshxf_oft = ALIGN(sizeof(struct rkispp_fec_head), 16);
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fec_data->meshyf_oft = fec_data->meshxf_oft + ALIGN(mesh_size, 16);
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fec_data->meshxi_oft = fec_data->meshyf_oft + ALIGN(mesh_size, 16);
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fec_data->meshyi_oft = fec_data->meshxi_oft + ALIGN(mesh_size * 2, 16);
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if (!i) {
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u32 val, dma_addr = params->buf_fec[i].dma_addr;
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val = dma_addr + fec_data->meshxf_oft;
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rkispp_write(pp_dev, RKISPP_FEC_MESH_XFRA_BASE, val);
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val = dma_addr + fec_data->meshyf_oft;
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rkispp_write(pp_dev, RKISPP_FEC_MESH_YFRA_BASE, val);
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val = dma_addr + fec_data->meshxi_oft;
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rkispp_write(pp_dev, RKISPP_FEC_MESH_XINT_BASE, val);
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val = dma_addr + fec_data->meshyi_oft;
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rkispp_write(pp_dev, RKISPP_FEC_MESH_YINT_BASE, val);
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}
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v4l2_dbg(1, rkispp_debug, &pp_dev->v4l2_dev,
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"%s idx:%d fd:%d dma:%pad offset xf:0x%x yf:0x%x xi:0x%x yi:0x%x\n",
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__func__, i, params->buf_fec[i].dma_fd, ¶ms->buf_fec[i].dma_addr,
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fec_data->meshxf_oft, fec_data->meshyf_oft,
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fec_data->meshxi_oft, fec_data->meshyi_oft);
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}
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return 0;
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}
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static void
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rkispp_param_deinit_fecbuf(struct rkispp_params_vdev *params)
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{
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int i;
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params->buf_fec_idx = 0;
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for (i = 0; i < FEC_MESH_BUF_MAX; i++)
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rkispp_free_buffer(params->dev, ¶ms->buf_fec[i]);
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}
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static int rkispp_params_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 rkispp_params_vdev *params_vdev = vq->drv_priv;
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struct rkispp_device *dev = params_vdev->dev;
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*num_buffers = clamp_t(u32, *num_buffers,
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RKISP1_ISP_PARAMS_REQ_BUFS_MIN,
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RKISP1_ISP_PARAMS_REQ_BUFS_MAX);
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*num_planes = 1;
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if (dev->ispp_ver == ISPP_V10) {
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switch (params_vdev->vdev_id) {
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case PARAM_VDEV_TNR:
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sizes[0] = sizeof(struct rkispp_params_tnrcfg);
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break;
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case PARAM_VDEV_NR:
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sizes[0] = sizeof(struct rkispp_params_nrcfg);
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break;
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case PARAM_VDEV_FEC:
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default:
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sizes[0] = sizeof(struct rkispp_params_feccfg);
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break;
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}
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} else if (dev->ispp_ver == ISPP_V20) {
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sizes[0] = sizeof(struct fec_params_cfg);
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}
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INIT_LIST_HEAD(¶ms_vdev->params);
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params_vdev->first_params = true;
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return 0;
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}
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static void rkispp_params_vb2_buf_queue(struct vb2_buffer *vb)
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{
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struct vb2_queue *vq = vb->vb2_queue;
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struct rkispp_params_vdev *params_vdev = vq->drv_priv;
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params_vdev->params_ops->rkispp_params_vb2_buf_queue(vb);
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}
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static void rkispp_params_vb2_stop_streaming(struct vb2_queue *vq)
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{
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struct rkispp_params_vdev *params_vdev = vq->drv_priv;
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struct rkispp_buffer *buf;
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unsigned long flags;
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int i;
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/* stop params input firstly */
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spin_lock_irqsave(¶ms_vdev->config_lock, flags);
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params_vdev->streamon = false;
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wake_up(¶ms_vdev->dev->sync_onoff);
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spin_unlock_irqrestore(¶ms_vdev->config_lock, flags);
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for (i = 0; i < RKISP1_ISP_PARAMS_REQ_BUFS_MAX; i++) {
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spin_lock_irqsave(¶ms_vdev->config_lock, flags);
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if (!list_empty(¶ms_vdev->params)) {
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buf = list_first_entry(¶ms_vdev->params,
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struct rkispp_buffer, queue);
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list_del(&buf->queue);
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spin_unlock_irqrestore(¶ms_vdev->config_lock,
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flags);
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} else {
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spin_unlock_irqrestore(¶ms_vdev->config_lock,
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flags);
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break;
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}
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if (buf)
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vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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buf = NULL;
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}
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if (params_vdev->cur_buf) {
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vb2_buffer_done(¶ms_vdev->cur_buf->vb.vb2_buf,
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VB2_BUF_STATE_ERROR);
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params_vdev->cur_buf = NULL;
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}
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}
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static int
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rkispp_params_vb2_start_streaming(struct vb2_queue *queue, unsigned int count)
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{
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struct rkispp_params_vdev *params_vdev = queue->drv_priv;
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unsigned long flags;
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spin_lock_irqsave(¶ms_vdev->config_lock, flags);
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params_vdev->streamon = true;
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spin_unlock_irqrestore(¶ms_vdev->config_lock, flags);
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return 0;
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}
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static int
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rkispp_param_fh_open(struct file *filp)
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{
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struct rkispp_params_vdev *params = video_drvdata(filp);
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struct rkispp_device *isppdev = params->dev;
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int ret;
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ret = v4l2_fh_open(filp);
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if (!ret) {
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ret = v4l2_pipeline_pm_get(¶ms->vnode.vdev.entity);
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if (ret < 0) {
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v4l2_err(&isppdev->v4l2_dev,
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"pipeline power on failed %d\n", ret);
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goto ERR;
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}
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}
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return 0;
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ERR:
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vb2_fop_release(filp);
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return ret;
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}
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static int
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rkispp_param_fh_release(struct file *filp)
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{
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struct rkispp_params_vdev *params = video_drvdata(filp);
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struct video_device *vdev = video_devdata(filp);
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int ret;
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if (filp->private_data == vdev->queue->owner)
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rkispp_param_deinit_fecbuf(params);
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ret = vb2_fop_release(filp);
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if (!ret)
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v4l2_pipeline_pm_put(¶ms->vnode.vdev.entity);
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return ret;
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}
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static struct vb2_ops rkispp_params_vb2_ops = {
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.queue_setup = rkispp_params_vb2_queue_setup,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.buf_queue = rkispp_params_vb2_buf_queue,
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.start_streaming = rkispp_params_vb2_start_streaming,
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.stop_streaming = rkispp_params_vb2_stop_streaming,
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};
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struct v4l2_file_operations rkispp_params_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 = rkispp_param_fh_open,
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.release = rkispp_param_fh_release,
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};
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static int
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rkispp_params_init_vb2_queue(struct vb2_queue *q,
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struct rkispp_params_vdev *params_vdev)
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{
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q->type = V4L2_BUF_TYPE_META_OUTPUT;
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q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR;
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q->drv_priv = params_vdev;
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q->ops = &rkispp_params_vb2_ops;
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q->mem_ops = &vb2_vmalloc_memops;
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q->buf_struct_size = sizeof(struct rkispp_buffer);
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q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
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q->lock = ¶ms_vdev->dev->iqlock;
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q->dev = params_vdev->dev->hw_dev->dev;
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return vb2_queue_init(q);
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}
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void rkispp_params_get_fecbuf_inf(struct rkispp_params_vdev *params_vdev,
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struct rkispp_fecbuf_info *fecbuf)
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{
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int i;
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if (params_vdev->vdev_id != PARAM_VDEV_FEC)
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return;
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for (i = 0; i < FEC_MESH_BUF_MAX; i++) {
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fecbuf->buf_fd[i] = -1;
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fecbuf->buf_size[i] = 0;
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}
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for (i = 0; i < params_vdev->buf_cnt; i++) {
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fecbuf->buf_fd[i] = params_vdev->buf_fec[i].dma_fd;
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fecbuf->buf_size[i] = params_vdev->buf_fec[i].size;
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}
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}
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void rkispp_params_set_fecbuf_size(struct rkispp_params_vdev *params_vdev,
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struct rkispp_fecbuf_size *fecsize)
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{
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if (params_vdev->vdev_id != PARAM_VDEV_FEC)
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return;
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rkispp_param_deinit_fecbuf(params_vdev);
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rkispp_param_init_fecbuf(params_vdev, fecsize);
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}
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static int rkispp_register_params_vdev(struct rkispp_device *dev,
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enum rkispp_paramvdev_id vdev_id)
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{
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struct rkispp_params_vdev *params_vdev = &dev->params_vdev[vdev_id];
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struct rkispp_vdev_node *node = ¶ms_vdev->vnode;
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struct video_device *vdev = &node->vdev;
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int ret;
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params_vdev->dev = dev;
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params_vdev->is_subs_evt = false;
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params_vdev->vdev_id = vdev_id;
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if (dev->ispp_ver == ISPP_V10)
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rkispp_params_init_ops_v10(params_vdev);
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if (dev->ispp_ver == ISPP_V20)
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rkispp_params_init_ops_v20(params_vdev);
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spin_lock_init(¶ms_vdev->config_lock);
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switch (vdev_id) {
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case PARAM_VDEV_TNR:
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strncpy(vdev->name, "rkispp_tnr_params", sizeof(vdev->name) - 1);
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break;
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case PARAM_VDEV_NR:
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strncpy(vdev->name, "rkispp_nr_params", sizeof(vdev->name) - 1);
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break;
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case PARAM_VDEV_FEC:
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default:
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params_vdev->buf_cnt = FEC_MESH_BUF_NUM;
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strncpy(vdev->name, "rkispp_fec_params", sizeof(vdev->name) - 1);
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break;
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}
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video_set_drvdata(vdev, params_vdev);
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vdev->ioctl_ops = &rkispp_params_ioctl;
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vdev->fops = &rkispp_params_fops;
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vdev->release = video_device_release_empty;
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/*
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* Provide a mutex to v4l2 core. It will be used
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* to protect all fops and v4l2 ioctls.
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*/
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vdev->lock = &dev->iqlock;
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vdev->v4l2_dev = &dev->v4l2_dev;
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vdev->queue = &node->buf_queue;
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vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_META_OUTPUT;
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vdev->vfl_dir = VFL_DIR_TX;
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rkispp_params_init_vb2_queue(vdev->queue, params_vdev);
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params_vdev->vdev_fmt.fmt.meta.dataformat =
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V4L2_META_FMT_RK_ISPP_PARAMS;
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node->pad.flags = MEDIA_PAD_FL_SOURCE;
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ret = media_entity_pads_init(&vdev->entity, 1, &node->pad);
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if (ret < 0)
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goto err_release_queue;
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ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
|
if (ret < 0) {
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dev_err(&vdev->dev,
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"could not register Video for Linux device\n");
|
goto err_cleanup_media_entity;
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}
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return 0;
|
|
err_cleanup_media_entity:
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media_entity_cleanup(&vdev->entity);
|
err_release_queue:
|
vb2_queue_release(vdev->queue);
|
|
return ret;
|
}
|
|
static void rkispp_unregister_params_vdev(struct rkispp_device *dev,
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enum rkispp_paramvdev_id vdev_id)
|
{
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struct rkispp_params_vdev *params_vdev = &dev->params_vdev[vdev_id];
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struct rkispp_vdev_node *node = ¶ms_vdev->vnode;
|
struct video_device *vdev = &node->vdev;
|
|
video_unregister_device(vdev);
|
media_entity_cleanup(&vdev->entity);
|
vb2_queue_release(vdev->queue);
|
}
|
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int rkispp_register_params_vdevs(struct rkispp_device *dev)
|
{
|
int ret = 0;
|
|
ret = rkispp_register_params_vdev(dev, PARAM_VDEV_FEC);
|
if (ret)
|
return ret;
|
|
if (dev->ispp_ver == ISPP_V10) {
|
ret = rkispp_register_params_vdev(dev, PARAM_VDEV_TNR);
|
if (ret) {
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_FEC);
|
return ret;
|
}
|
|
ret = rkispp_register_params_vdev(dev, PARAM_VDEV_NR);
|
if (ret) {
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_FEC);
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_TNR);
|
return ret;
|
}
|
}
|
|
return ret;
|
}
|
|
void rkispp_unregister_params_vdevs(struct rkispp_device *dev)
|
{
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_FEC);
|
if (dev->ispp_ver == ISPP_V10) {
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_TNR);
|
rkispp_unregister_params_vdev(dev, PARAM_VDEV_NR);
|
}
|
}
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