}
/*
- * __vb2_queue_alloc() - allocate videobuf buffer structures and (for MMAP type)
+ * __vb2_queue_alloc() - allocate vb2 buffer structures and (for MMAP type)
* video buffer memory for all buffers/planes on the queue and initializes the
* queue
*
VB2_MAX_FRAME - q->num_buffers);
for (buffer = 0; buffer < num_buffers; ++buffer) {
- /* Allocate videobuf buffer structures */
+ /* Allocate vb2 buffer structures */
vb = kzalloc(q->buf_struct_size, GFP_KERNEL);
if (!vb) {
dprintk(q, 1, "memory alloc for buffer struct failed\n");
}
#endif
- /* Free videobuf buffers */
+ /* Free vb2 buffers */
for (buffer = q->num_buffers - buffers; buffer < q->num_buffers;
++buffer) {
kfree(q->bufs[buffer]);
if (pb)
call_void_bufop(q, fill_user_buffer, vb, pb);
- /* Remove from videobuf queue */
+ /* Remove from vb2 queue */
list_del(&vb->queued_entry);
q->queued_count--;
* __vb2_queue_cancel() - cancel and stop (pause) streaming
*
* Removes all queued buffers from driver's queue and all buffers queued by
- * userspace from videobuf's queue. Returns to state after reqbufs.
+ * userspace from vb2's queue. Returns to state after reqbufs.
*/
static void __vb2_queue_cancel(struct vb2_queue *q)
{
q->uses_qbuf = 0;
/*
- * Remove all buffers from videobuf's list...
+ * Remove all buffers from vb2's list...
*/
INIT_LIST_HEAD(&q->queued_list);
/*
/*
* Cancel will pause streaming and remove all buffers from the driver
- * and videobuf, effectively returning control over them to userspace.
+ * and vb2, effectively returning control over them to userspace.
*
* Note that we do this even if q->streaming == 0: if you prepare or
* queue buffers, and then call streamoff without ever having called
* DMABUF memory types.
* @get_userptr: acquire userspace memory for a hardware operation; used for
* USERPTR memory types; vaddr is the address passed to the
- * videobuf layer when queuing a video buffer of USERPTR type;
+ * videobuf2 layer when queuing a video buffer of USERPTR type;
* should return an allocator private per-buffer structure
* associated with the buffer on success, ERR_PTR() on failure;
* the returned private structure will then be passed as @buf_priv
* associated with the passed private structure or NULL if not
* available.
* @num_users: return the current number of users of a memory buffer;
- * return 1 if the videobuf layer (or actually the driver using
+ * return 1 if the videobuf2 layer (or actually the driver using
* it) is the only user.
* @mmap: setup a userspace mapping for a given memory buffer under
* the provided virtual memory region.
* enum vb2_buffer_state - current video buffer state.
* @VB2_BUF_STATE_DEQUEUED: buffer under userspace control.
* @VB2_BUF_STATE_IN_REQUEST: buffer is queued in media request.
- * @VB2_BUF_STATE_PREPARING: buffer is being prepared in videobuf.
- * @VB2_BUF_STATE_QUEUED: buffer queued in videobuf, but not in driver.
+ * @VB2_BUF_STATE_PREPARING: buffer is being prepared in videobuf2.
+ * @VB2_BUF_STATE_QUEUED: buffer queued in videobuf2, but not in driver.
* @VB2_BUF_STATE_ACTIVE: buffer queued in driver and possibly used
* in a hardware operation.
- * @VB2_BUF_STATE_DONE: buffer returned from driver to videobuf, but
+ * @VB2_BUF_STATE_DONE: buffer returned from driver to videobuf2, but
* not yet dequeued to userspace.
* @VB2_BUF_STATE_ERROR: same as above, but the operation on the buffer
* has ended with an error, which will be reported
};
/**
- * struct vb2_queue - a videobuf queue.
+ * struct vb2_queue - a videobuf2 queue.
*
* @type: private buffer type whose content is defined by the vb2-core
* caller. For example, for V4L2, it should match
* @mmap_lock: private mutex used when buffers are allocated/freed/mmapped
* @memory: current memory type used
* @dma_dir: DMA mapping direction.
- * @bufs: videobuf buffer structures
+ * @bufs: videobuf2 buffer structures
* @num_buffers: number of allocated/used buffers
* @queued_list: list of buffers currently queued from userspace
* @queued_count: number of buffers queued and ready for streaming.
void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no);
/**
- * vb2_buffer_done() - inform videobuf that an operation on a buffer
+ * vb2_buffer_done() - inform videobuf2 that an operation on a buffer
* is finished.
* @vb: pointer to &struct vb2_buffer to be used.
* @state: state of the buffer, as defined by &enum vb2_buffer_state.
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