int fimc_is_video_mmap(struct file *file,
struct fimc_is_video_ctx *vctx,
struct vm_area_struct *vma)
{
u32 ret = 0;
u32 video_type = vctx->type;
switch (video_type) {
case FIMC_IS_VIDEO_TYPE_OUTPUT:
ret = vb2_mmap(vctx->q_src.vbq, vma);
break;
case FIMC_IS_VIDEO_TYPE_CAPTURE:
ret = vb2_mmap(vctx->q_dst.vbq, vma);
break;
case FIMC_IS_VIDEO_TYPE_M2M:
merr("video mmap is not supported", vctx);
ret = -EINVAL;
break;
default:
merr("invalid type(%d)", vctx, video_type);
ret = -EINVAL;
break;
}
return ret;
}
static int fimc_capture_mmap(struct file *file, struct vm_area_struct *vma)
{
struct fimc_ctx *ctx = file->private_data;
struct fimc_dev *fimc = ctx->fimc_dev;
return vb2_mmap(&fimc->vid_cap.vbq, vma);
}
static int fimc_is_bayer_video_mmap(struct file *file,
struct vm_area_struct *vma)
{
struct fimc_is_core *is = video_drvdata(file);
return vb2_mmap(&is->video_sensor.common.vbq, vma);
}
static int fimc_is_isp_mmap(struct file *file, struct vm_area_struct *vma)
{
struct fimc_is_dev *is_dev;
dbg("(FIMC-IS cap_fops)\n");
is_dev = video_drvdata(file);
return vb2_mmap(&is_dev->video[FIMC_IS_VIDEO_NUM_BAYER].vbq, vma);
}
static int mxr_video_mmap(struct file *file, struct vm_area_struct *vma)
{
struct mxr_layer *layer = video_drvdata(file);
mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
return vb2_mmap(&layer->vb_queue, vma);
}
static int pwc_video_mmap(struct file *file, struct vm_area_struct *vma)
{
struct pwc_device *pdev = video_drvdata(file);
if (pdev->capt_file != file)
return -EBUSY;
return vb2_mmap(&pdev->vb_queue, vma);
}
static int fimc_is_scc_video_mmap(struct file *file,
struct vm_area_struct *vma)
{
struct fimc_is_video_ctx *video_ctx = file->private_data;
dbg("%s\n", __func__);
return vb2_mmap(&video_ctx->vbq, vma);
}
static int at91sam9x5_video_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct video_device *vdev = video_devdata(filp);
struct at91sam9x5_video_priv *priv = video_get_drvdata(vdev);
dev_dbg(&vdev->dev, "%s\n", __func__);
/* returning -EIO here makes gst-launch segfault */
return vb2_mmap(&priv->queue, vma);
}
int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
{
int ret;
mutex_lock(&queue->mutex);
ret = vb2_mmap(&queue->queue, vma);
mutex_unlock(&queue->mutex);
return ret;
}
static int xvip_dma_mmap(struct file *file, struct vm_area_struct *vma)
{
struct v4l2_fh *vfh = file->private_data;
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
int ret;
mutex_lock(&dma->lock);
ret = vb2_mmap(&dma->queue, vma);
mutex_unlock(&dma->lock);
return ret;
}
int dvb_vb2_mmap(struct dvb_vb2_ctx *ctx, struct vm_area_struct *vma)
{
int ret;
ret = vb2_mmap(&ctx->vb_q, vma);
if (ret) {
dprintk(1, "[%s] errno=%d\n", ctx->name, ret);
return ret;
}
dprintk(3, "[%s] ret=%d\n", ctx->name, ret);
return 0;
}
static int fimc_lite_mmap(struct file *file, struct vm_area_struct *vma)
{
struct fimc_lite *fimc = video_drvdata(file);
int ret;
if (mutex_lock_interruptible(&fimc->lock))
return -ERESTARTSYS;
ret = vb2_mmap(&fimc->vb_queue, vma);
mutex_unlock(&fimc->lock);
return ret;
}
/**
* v4l2_m2m_mmap() - source and destination queues-aware mmap multiplexer
*
* Call from driver's mmap() function. Will handle mmap() for both queues
* seamlessly for videobuffer, which will receive normal per-queue offsets and
* proper videobuf queue pointers. The differentiation is made outside videobuf
* by adding a predefined offset to buffers from one of the queues and
* subtracting it before passing it back to videobuf. Only drivers (and
* thus applications) receive modified offsets.
*/
int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct vm_area_struct *vma)
{
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
struct vb2_queue *vq;
if (offset < DST_QUEUE_OFF_BASE) {
vq = v4l2_m2m_get_src_vq(m2m_ctx);
} else {
vq = v4l2_m2m_get_dst_vq(m2m_ctx);
vma->vm_pgoff -= (DST_QUEUE_OFF_BASE >> PAGE_SHIFT);
}
return vb2_mmap(vq, vma);
}
int fimc_is_video_mmap(struct file *file,
struct fimc_is_video_ctx *vctx,
struct vm_area_struct *vma)
{
u32 ret = 0;
struct fimc_is_queue *queue;
BUG_ON(!vctx);
queue = GET_QUEUE(vctx);
ret = vb2_mmap(queue->vbq, vma);
return ret;
}
int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)
{
struct video_device *vdev = video_devdata(file);
return vb2_mmap(vdev->queue, vma);
}
int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
{
return vb2_mmap(&queue->queue, vma);
}
static int fimc_capture_mmap(struct file *file, struct vm_area_struct *vma)
{
struct fimc_dev *fimc = video_drvdata(file);
return vb2_mmap(&fimc->vid_cap.vbq, vma);
}
static int gsc_capture_mmap(struct file *file, struct vm_area_struct *vma)
{
struct gsc_dev *gsc = video_drvdata(file);
return vb2_mmap(&gsc->cap.vbq, vma);
}
static int nxp_video_mmap(struct file *file, struct vm_area_struct *vma)
{
struct nxp_video *me = file->private_data;
return vb2_mmap(me->vbq, vma);
}
static int iss_video_mmap(struct file *file, struct vm_area_struct *vma)
{
struct iss_video_fh *vfh = to_iss_video_fh(file->private_data);
return vb2_mmap(&vfh->queue, vma);
}