intiovar.h revision 1.13.24.1 1 /* $NetBSD: intiovar.h,v 1.13.24.1 2013/02/25 00:29:03 tls Exp $ */
2
3 /*
4 *
5 * Copyright (c) 1998 NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the NetBSD
19 * Foundation, Inc. and its contributors.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /*
37 * NetBSD/x68k internal I/O virtual bus.
38 */
39
40 #ifndef _INTIOVAR_H_
41 #define _INTIOVAR_H_
42
43 #include <machine/frame.h>
44 #include <sys/malloc.h>
45 #include <sys/extent.h>
46 #include "locators.h"
47
48 #define cf_addr cf_loc[INTIOCF_ADDR]
49 #define cf_intr cf_loc[INTIOCF_INTR]
50 #define cf_dma cf_loc[INTIOCF_DMA]
51 #define cf_dmaintr cf_loc[INTIOCF_DMAINTR]
52
53
54 struct intio_attach_args {
55 bus_space_tag_t ia_bst; /* bus_space tag */
56 bus_dma_tag_t ia_dmat; /* bus_dma tag */
57
58 const char *ia_name; /* device name */
59 int ia_addr; /* addr */
60 int ia_size;
61 int ia_intr; /* interrupt vector */
62 int ia_dma; /* dma channel */
63 int ia_dmaintr; /* interrupt vector for dmac */
64 };
65
66 struct intio_softc {
67 bus_space_tag_t sc_bst;
68 bus_dma_tag_t sc_dmat;
69 struct extent *sc_map;
70 device_t sc_dmac;
71 };
72
73 enum intio_map_flag {
74 INTIO_MAP_ALLOCATE = 0,
75 INTIO_MAP_TESTONLY = 1
76 };
77 int intio_map_allocate_region(device_t, struct intio_attach_args *,
78 enum intio_map_flag);
79 int intio_map_free_region(device_t, struct intio_attach_args *);
80
81 typedef int (*intio_intr_handler_t)(void *);
82
83 int intio_intr_establish(int, const char *, intio_intr_handler_t, void *);
84 int intio_intr_establish_ext(int, const char *, const char *,
85 intio_intr_handler_t, void *);
86 int intio_intr_disestablish(int, void *);
87 int intio_intr(struct frame *);
88
89
90 #define INTIO_SYSPORT (0x00e8e000)
91 #define intio_sysport ((volatile uint8_t *)IIOV(INTIO_SYSPORT))
92 #define sysport_contrast 1
93 #define sysport_tvctrl 3
94 #define sysport_imageunit 5
95 #define sysport_keyctrl 7
96 #define sysport_waitctrl 9
97 #define sysport_mpustat 11
98 #define sysport_sramwp 13
99 #define sysport_powoff 15
100
101 #define intio_set_sysport_contrast(a) \
102 intio_sysport[sysport_contrast] = (a) /* 0-15 */
103 #define intio_set_sysport_tvctrl(a) \
104 intio_sysport[sysport_tvctrl] = (a)
105 #define INTIO_SYSPORT_TVCTRL 0x08
106 #define intio_set_sysport_imageunit(a) \
107 intio_sysport[sysport_imageunit] = (a)
108 #define intio_set_sysport_keyctrl(a) \
109 intio_sysport[sysport_keyctrl] = (a)
110 #define INTIO_SYSPORT_KBENABLE 0x08
111 #define intio_set_sysport_waitctrl(a) \
112 intio_sysport[sysport_waitctrl] = (a) /* X68030 only */
113 #define intio_set_sysport_sramwp(a) \
114 intio_sysport[sysport_sramwp] = (a)
115 #define INTIO_SYSPORT_SRAMWP 0x31
116 #define intio_set_sysport_powoff(a) \
117 intio_sysport[sysport_powoff] = (a)
118
119 #define intio_get_sysport_contrast() \
120 (intio_sysport[sysport_contrast])
121 #define intio_get_sysport_tvctrl() \
122 (intio_sysport[sysport_tvctrl])
123 #define INTIO_SYSPORT_TVSTAT 0x08
124 #define intio_get_sysport_keyctrl() \
125 (intio_sysport[sysport_keyctrl])
126 #define INTIO_SYSPORT_KBEXIST 0x08
127 #define intio_get_sysport_waitctrl() \
128 (intio_sysport[sysport_waitctrl])
129 #define intio_get_sysport_sramwp() \
130 (intio_sysport[sysport_sramwp])
131 #define intio_get_sysport_mpustat() \
132 (intio_sysport[sysport_mpustat])
133
134 /* I/O controller (sicilian/pluto) */
135 #define INTIO_SICILIAN (0x00e9c000)
136 #define intio_sicilian ((volatile uint8_t *)IIOV(INTIO_SICILIAN))
137 #define sicilian_intr 1
138 #define sicilian_ivec 3
139
140 #define intio_get_sicilian_intr() \
141 (intio_sicilian[sicilian_intr])
142 #define intio_set_sicilian_intr(a) \
143 intio_sicilian[sicilian_intr] = (a)
144 #define SICILIAN_INTR_PAR 0x01
145 #define SICILIAN_INTR_FDD 0x02
146 #define SICILIAN_INTR_FDC 0x04
147 #define SICILIAN_INTR_HDD 0x08
148 #define SICILIAN_STAT_HDD 0x10
149 #define SICILIAN_STAT_PAR 0x20
150 #define SICILIAN_STAT_FDD 0x40
151 #define SICILIAN_STAT_FDC 0x80
152
153 #define intio_enable_intr(a) \
154 intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr])
155 #define intio_disable_intr(a) \
156 intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr])
157
158 #define intio_set_sicilian_ivec(a) \
159 intio_sicilian[sicilian_ivec] = (a)
160 void intio_set_ivec(int);
161
162 struct intio_dma_cookie {
163 int id_flags; /* flags; see below */
164
165 /*
166 * Information about the original buffer used during
167 * DMA map syncs. Note that origibuflen is only used
168 * for ID_BUFTYPE_LINEAR.
169 */
170 void *id_origbuf; /* pointer to orig buffer if
171 bouncing */
172 bus_size_t id_origbuflen; /* ...and size */
173 int id_buftype; /* type of buffer */
174
175 void *id_bouncebuf; /* pointer to the bounce buffer */
176 bus_size_t id_bouncebuflen; /* ...and size */
177 int id_nbouncesegs; /* number of valid bounce segs */
178 bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
179 physical memory segments */
180 };
181
182 /* id_flags */
183 #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */
184 #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */
185 #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */
186
187 /* id_buftype */
188 #define ID_BUFTYPE_INVALID 0
189 #define ID_BUFTYPE_LINEAR 1
190 #define ID_BUFTYPE_MBUF 2
191 #define ID_BUFTYPE_UIO 3
192 #define ID_BUFTYPE_RAW 4
193
194 #endif
195