xref: /netbsd/sys/arch/evbppc/virtex/dev/xcvbusvar.h (revision fe6db6ff)
1 /* 	$NetBSD: xcvbusvar.h,v 1.2 2011/07/01 19:03:50 dyoung 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 
40 struct plb_attach_args;
41 
42 struct 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 
49 struct 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 
63 void 	*ll_dmac_intr_establish(int, void(*)(void *), void *);
64 void 	ll_dmac_intr_disestablish(int, void *);
65 
66 void 	virtex_autoconf(device_t, struct plb_attach_args *);
67 
68 int 	xcvbus_print(void *, const char *);
69 int 	xcvbus_child_match(device_t, cfdata_t, void *);
70 
71 #endif /* _VIRTEX_DEV_VIRTEXVAR_H_ */
72