1/* 	$NetBSD: xcvbusvar.h,v 1.1 2006/12/02 22:18:47 freza Exp $ */
2
3/*
4 * Copyright (c) 2006 Jachym Holecek
5 * All rights reserved.
6 *
7 * Written for DFC Design, s.r.o.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#include <sys/types.h>
34
35#include <sys/bus.h>
36
37#ifndef _VIRTEX_DEV_VIRTEXVAR_H_
38#define _VIRTEX_DEV_VIRTEXVAR_H_
39
40struct plb_attach_args;
41
42struct ll_dmac {
43	bus_space_tag_t 	dmac_iot;
44	bus_addr_t 		dmac_ctrl_addr; /* Control registers */
45	bus_addr_t 		dmac_stat_addr; /* Status register */
46	int 			dmac_chan; 	/* Channel number */
47};
48
49struct xcvbus_attach_args {
50	/* LocalLink ("llbus") DMA channels. */
51	struct ll_dmac 		*vaa_rx_dmac; 	/* Receive channel, if any */
52	struct ll_dmac 		*vaa_tx_dmac; 	/* Transmit channel, if any */
53
54	/* Generic portion, enough for DCR/PLB. */
55	const char 		*vaa_name; 	/* Device name */
56	bus_space_tag_t 	vaa_iot; 	/* Registers */
57	bus_addr_t 		vaa_addr;
58	bus_dma_tag_t 		vaa_dmat;
59	int 			vaa_intr; 	/* Device interrupt line */
60	int 			_vaa_is_dcr; 	/* XXX bst flag  */
61};
62
63void 	*ll_dmac_intr_establish(int, void(*)(void *), void *);
64void 	ll_dmac_intr_disestablish(int, void *);
65
66void 	virtex_autoconf(device_t, struct plb_attach_args *);
67
68int 	xcvbus_print(void *, const char *);
69int 	xcvbus_child_match(device_t, cfdata_t, void *);
70
71#endif /* _VIRTEX_DEV_VIRTEXVAR_H_ */
72