vf_dmamux.h revision 266170
1/*-
2 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
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 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/arm/freescale/vybrid/vf_dmamux.h 266170 2014-05-15 18:38:19Z ian $
27 */
28
29int dmamux_configure(int mux, int source, int channel, int enable);
30
31enum mux_num {
32	MUX0,
33	MUX1,
34	MUX2,
35	MUX3,
36};
37
38enum mux_grp {
39	MUXGRP0, /* MUX[0,3] */
40	MUXGRP1, /* MUX[1,2] */
41};
42
43/* DMAMUX */
44#define	MUX_READ1(_sc, _mux, _reg)				\
45	bus_space_read_1(_sc->bst[_mux], _sc->bsh[_mux], _reg)
46
47#define	MUX_WRITE1(_sc, _mux, _reg, _val)			\
48	bus_space_write_1(_sc->bst[_mux], _sc->bsh[_mux], _reg, _val)
49