pxavar.h revision 179595 
1/*	$NetBSD: obiovar.h,v 1.4 2003/06/16 17:40:53 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 2002, 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
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 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed for the NetBSD Project by
20 *	Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 *
37 * $FreeBSD: head/sys/arm/xscale/pxa/pxavar.h 179595 2008-06-06 05:08:09Z benno $
38 *
39 */
40
41#ifndef _PXAVAR_H_
42#define	_PXAVAR_H_
43
44#include <sys/rman.h>
45
46struct obio_softc {
47	bus_space_tag_t obio_bst;	/* bus space tag */
48	struct rman	obio_mem;
49	struct rman	obio_irq;
50};
51
52extern bus_space_tag_t	base_tag;
53extern bus_space_tag_t	obio_tag;
54void		pxa_obio_tag_init(void);
55bus_space_tag_t	pxa_bus_tag_alloc(bus_addr_t);
56
57uint32_t	pxa_gpio_get_function(int);
58uint32_t	pxa_gpio_set_function(int, uint32_t);
59int		pxa_gpio_setup_intrhandler(const char *, driver_filter_t *,
60		    driver_intr_t *, void *, int, int, void **);
61void		pxa_gpio_mask_irq(int);
62void		pxa_gpio_unmask_irq(int);
63int		pxa_gpio_get_next_irq(void);
64
65struct dmac_channel;
66
67struct dmac_descriptor {
68	uint32_t	ddadr;
69	uint32_t	dsadr;
70	uint32_t	dtadr;
71	uint32_t	dcmd;
72};
73#define	DMACD_SET_DESCRIPTOR(d, dadr)	do { d->ddadr = dadr; } while (0)
74#define	DMACD_SET_SOURCE(d, sadr)	do { d->dsadr = sadr; } while (0)
75#define	DMACD_SET_TARGET(d, tadr)	do { d->dtadr = tadr; } while (0)
76#define	DMACD_SET_COMMAND(d, cmd)	do { d->dcmd = cmd; } while (0)
77
78#define	DMAC_PRIORITY_HIGHEST	1
79#define	DMAC_PRIORITY_HIGH	2
80#define	DMAC_PRIORITY_LOW	3
81
82int	pxa_dmac_alloc(int, struct dmac_channel **, int);
83void	pxa_dmac_release(struct dmac_channel *);
84int	pxa_dmac_transfer(struct dmac_channel *, bus_addr_t);
85int	pxa_dmac_transfer_single(struct dmac_channel *,
86		    bus_addr_t, bus_addr_t, uint32_t);
87int	pxa_dmac_transfer_done(struct dmac_channel *);
88int	pxa_dmac_transfer_failed(struct dmac_channel *);
89
90enum pxa_device_ivars {
91	PXA_IVAR_BASE,
92};
93
94enum smi_device_ivars {
95	SMI_IVAR_PHYSBASE,
96};
97
98#define	PXA_ACCESSOR(var, ivar, type)	\
99	__BUS_ACCESSOR(pxa, var, PXA, ivar, type)
100
101PXA_ACCESSOR(base,	BASE,	u_long)
102
103#undef	PXA_ACCESSOR
104
105#define	SMI_ACCESSOR(var, ivar, type)	\
106	__BUS_ACCESSOR(smi, var, SMI, ivar, type)
107
108SMI_ACCESSOR(physbase,	PHYSBASE,	bus_addr_t)
109
110#undef CSR_ACCESSOR
111
112#endif /* _PXAVAR_H_ */
113