mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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15128beef1
This is currently unused. So, get rid of it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
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* SPDX-License-Identifier: GPL-2.0
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*
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* dvb-vb2.h - DVB driver helper framework for streaming I/O
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*
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* Copyright (C) 2015 Samsung Electronics
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*
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* Author: jh1009.sung@samsung.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*/
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#ifndef _DVB_VB2_H
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#define _DVB_VB2_H
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#include <linux/mutex.h>
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#include <linux/poll.h>
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#include <linux/dvb/dmx.h>
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-dma-contig.h>
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#include <media/videobuf2-vmalloc.h>
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enum dvb_buf_type {
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DVB_BUF_TYPE_CAPTURE = 1,
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};
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#define DVB_VB2_STATE_NONE (0x0)
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#define DVB_VB2_STATE_INIT (0x1)
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#define DVB_VB2_STATE_REQBUFS (0x2)
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#define DVB_VB2_STATE_STREAMON (0x4)
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#define DVB_VB2_NAME_MAX (20)
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struct dvb_buffer {
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struct vb2_buffer vb;
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struct list_head list;
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};
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struct dvb_vb2_ctx {
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struct vb2_queue vb_q;
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struct mutex mutex;
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spinlock_t slock;
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struct list_head dvb_q;
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struct dvb_buffer *buf;
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int offset;
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int remain;
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int state;
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int buf_siz;
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int buf_cnt;
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int nonblocking;
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char name[DVB_VB2_NAME_MAX + 1];
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};
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int dvb_vb2_stream_on(struct dvb_vb2_ctx *ctx);
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int dvb_vb2_stream_off(struct dvb_vb2_ctx *ctx);
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#ifndef DVB_MMAP
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static inline int dvb_vb2_init(struct dvb_vb2_ctx *ctx,
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const char *name, int non_blocking)
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{
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return 0;
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};
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static inline int dvb_vb2_release(struct dvb_vb2_ctx *ctx)
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{
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return 0;
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};
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#define dvb_vb2_is_streaming(ctx) (0)
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#define dvb_vb2_fill_buffer(ctx, file, wait) (0)
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static inline unsigned int dvb_vb2_poll(struct dvb_vb2_ctx *ctx,
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struct file *file,
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poll_table *wait)
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{
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return 0;
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}
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#else
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int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int non_blocking);
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int dvb_vb2_release(struct dvb_vb2_ctx *ctx);
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int dvb_vb2_is_streaming(struct dvb_vb2_ctx *ctx);
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int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx,
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const unsigned char *src, int len);
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unsigned int dvb_vb2_poll(struct dvb_vb2_ctx *ctx, struct file *file,
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poll_table *wait);
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#endif
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int dvb_vb2_reqbufs(struct dvb_vb2_ctx *ctx, struct dmx_requestbuffers *req);
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int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b);
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int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dmx_exportbuffer *exp);
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int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b);
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int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b);
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int dvb_vb2_mmap(struct dvb_vb2_ctx *ctx, struct vm_area_struct *vma);
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#endif /* _DVB_VB2_H */
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