1/*-
2 * Copyright (c) 2015 Adrian Chadd <adrian@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 *    redistribution must be conditioned upon including a substantially
14 *    similar Disclaimer requirement for further binary redistribution.
15 *
16 * NO WARRANTY
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGES.
28 *
29 * $FreeBSD$
30 */
31#ifndef	__IF_ATH_DESCDMA_H__
32#define	__IF_ATH_DESCDMA_H__
33
34extern  int ath_descdma_alloc_desc(struct ath_softc *sc,
35	    struct ath_descdma *dd, ath_bufhead *head, const char *name,
36	    int ds_size, int ndesc);
37extern  int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
38	    ath_bufhead *head, const char *name, int ds_size, int nbuf,
39	    int ndesc);
40extern  int ath_descdma_setup_rx_edma(struct ath_softc *sc,
41	    struct ath_descdma *dd, ath_bufhead *head, const char *name,
42	    int nbuf, int desclen);
43extern  void ath_descdma_cleanup(struct ath_softc *sc,
44	    struct ath_descdma *dd, ath_bufhead *head);
45
46#endif
47