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: releng/9.0/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
46 struct obio_softc {
47 bus_space_tag_t obio_bst; /* bus space tag */
48 struct rman obio_mem;
49 struct rman obio_irq;
50 };
51
52 extern bus_space_tag_t base_tag;
53 extern bus_space_tag_t obio_tag;
54 void pxa_obio_tag_init(void);
55 bus_space_tag_t pxa_bus_tag_alloc(bus_addr_t);
56
57 uint32_t pxa_gpio_get_function(int);
58 uint32_t pxa_gpio_set_function(int, uint32_t);
59 int pxa_gpio_setup_intrhandler(const char *, driver_filter_t *,
60 driver_intr_t *, void *, int, int, void **);
61 void pxa_gpio_mask_irq(int);
62 void pxa_gpio_unmask_irq(int);
63 int pxa_gpio_get_next_irq(void);
64
65 struct dmac_channel;
66
67 struct 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
82 int pxa_dmac_alloc(int, struct dmac_channel **, int);
83 void pxa_dmac_release(struct dmac_channel *);
84 int pxa_dmac_transfer(struct dmac_channel *, bus_addr_t);
85 int pxa_dmac_transfer_single(struct dmac_channel *,
86 bus_addr_t, bus_addr_t, uint32_t);
87 int pxa_dmac_transfer_done(struct dmac_channel *);
88 int pxa_dmac_transfer_failed(struct dmac_channel *);
89
90 enum pxa_device_ivars {
91 PXA_IVAR_BASE,
92 };
93
94 enum 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
101 PXA_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
108 SMI_ACCESSOR(physbase, PHYSBASE, bus_addr_t)
109
110 #undef CSR_ACCESSOR
111
112 #endif /* _PXAVAR_H_ */
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