mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
bcb63314e2
Drop the FSF's postal address from the source code files that typically contain mostly the license text. Of the 628 removed instances, 578 are outdated. The patch has been created with the following command without manual edits: git grep -l "675 Mass Ave\|59 Temple Place\|51 Franklin St" -- \ drivers/media/ include/media|while read i; do i=$i perl -e ' open(F,"< $ENV{i}"); $a=join("", <F>); $a =~ s/[ \t]*\*\n.*You should.*\n.*along with.*\n.*(\n.*USA.*$)?\n//m && $a =~ s/(^.*)Or, (point your browser to) /$1To obtain the license, $2\n$1/m; close(F); open(F, "> $ENV{i}"); print F $a; close(F);'; done Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#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);
|