diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-queue.h')
-rw-r--r-- | drivers/media/video/cx18/cx18-queue.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h deleted file mode 100644 index 4201ddc16091..000000000000 --- a/drivers/media/video/cx18/cx18-queue.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * cx18 buffer queues - * - * Derived from ivtv-queue.h - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307 USA - */ - -#define CX18_DMA_UNMAPPED ((u32) -1) - -/* cx18_buffer utility functions */ - -static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, - struct cx18_buffer *buf) -{ - pci_dma_sync_single_for_cpu(s->cx->pci_dev, buf->dma_handle, - s->buf_size, s->dma); -} - -static inline void cx18_buf_sync_for_device(struct cx18_stream *s, - struct cx18_buffer *buf) -{ - pci_dma_sync_single_for_device(s->cx->pci_dev, buf->dma_handle, - s->buf_size, s->dma); -} - -void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl); - -static inline void cx18_mdl_sync_for_device(struct cx18_stream *s, - struct cx18_mdl *mdl) -{ - if (list_is_singular(&mdl->buf_list)) - cx18_buf_sync_for_device(s, list_first_entry(&mdl->buf_list, - struct cx18_buffer, - list)); - else - _cx18_mdl_sync_for_device(s, mdl); -} - -void cx18_buf_swap(struct cx18_buffer *buf); -void _cx18_mdl_swap(struct cx18_mdl *mdl); - -static inline void cx18_mdl_swap(struct cx18_mdl *mdl) -{ - if (list_is_singular(&mdl->buf_list)) - cx18_buf_swap(list_first_entry(&mdl->buf_list, - struct cx18_buffer, list)); - else - _cx18_mdl_swap(mdl); -} - -/* cx18_queue utility functions */ -struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl, - struct cx18_queue *q, int to_front); - -static inline -struct cx18_queue *cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl, - struct cx18_queue *q) -{ - return _cx18_enqueue(s, mdl, q, 0); /* FIFO */ -} - -static inline -struct cx18_queue *cx18_push(struct cx18_stream *s, struct cx18_mdl *mdl, - struct cx18_queue *q) -{ - return _cx18_enqueue(s, mdl, q, 1); /* LIFO */ -} - -void cx18_queue_init(struct cx18_queue *q); -struct cx18_mdl *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q); -struct cx18_mdl *cx18_queue_get_mdl(struct cx18_stream *s, u32 id, - u32 bytesused); -void cx18_flush_queues(struct cx18_stream *s); - -/* queue MDL reconfiguration helpers */ -void cx18_unload_queues(struct cx18_stream *s); -void cx18_load_queues(struct cx18_stream *s); - -/* cx18_stream utility functions */ -int cx18_stream_alloc(struct cx18_stream *s); -void cx18_stream_free(struct cx18_stream *s); |