pnpbusvar.h revision 1.4 1 /* $NetBSD: pnpbusvar.h,v 1.4 2006/10/27 19:52:51 garbled Exp $ */
2
3 /*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tim Rightnour.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _PREP_PNPBUSVAR_H_
40 #define _PREP_PNPBUSVAR_H_
41
42 #include <sys/queue.h>
43 #include <machine/bus.h>
44 #include <machine/residual.h>
45
46 struct pnpbus_mem {
47 SIMPLEQ_ENTRY(pnpbus_mem) next;
48 uint32_t minbase, maxbase, align, len;
49 int flags;
50 };
51 struct pnpbus_io {
52 SIMPLEQ_ENTRY(pnpbus_io) next;
53 uint16_t minbase, maxbase, align, len;
54 int flags;
55 };
56 struct pnpbus_irq {
57 SIMPLEQ_ENTRY(pnpbus_irq) next;
58 uint16_t mask;
59 int flags;
60 };
61 struct pnpbus_dma {
62 SIMPLEQ_ENTRY(pnpbus_dma) next;
63 uint8_t mask;
64 int flags;
65 };
66 struct pnpbus_compatid {
67 char idstr[8];
68 struct pnpbus_compatid *next;
69 };
70
71 #define PNPBUS_MAXMEM 4
72 #define PNPBUS_MAXIOPORT 8
73 #define PNPBUS_MAXIRQ 2
74 #define PNPBUS_MAXDMA 2
75
76 struct pnpresources {
77 int nummem, numiomem, numio, numirq, numdma;
78 SIMPLEQ_HEAD(, pnpbus_mem) mem;
79 SIMPLEQ_HEAD(, pnpbus_mem) iomem;
80 SIMPLEQ_HEAD(, pnpbus_io) io;
81 SIMPLEQ_HEAD(, pnpbus_irq) irq;
82 SIMPLEQ_HEAD(, pnpbus_dma) dma;
83 struct pnpbus_compatid *compatids;
84 };
85
86 /*
87 * Bus attach arguments
88 */
89 struct pnpbus_attach_args {
90 bus_space_tag_t paa_iot; /* i/o space tag */
91 bus_space_tag_t paa_memt; /* mem space tag */
92 isa_chipset_tag_t paa_ic; /* ISA chipset tag */
93 bus_dma_tag_t paa_dmat; /* ISA DMA tag */
94 };
95
96 /*
97 * driver attach arguments
98 */
99 struct pnpbus_dev_attach_args {
100 bus_space_tag_t pna_iot; /* i/o space tag */
101 bus_space_tag_t pna_memt; /* mem space tag */
102 isa_chipset_tag_t pna_ic; /* ISA chipset tag */
103 bus_dma_tag_t pna_dmat; /* ISA DMA tag */
104
105 struct pnpresources pna_res; /* resources gathered from PNP */
106 char pna_devid[8]; /* PNP device id string */
107 PPC_DEVICE *pna_ppc_dev; /* PNP device entry */
108 void *pna_aux; /* driver specific */
109 uint8_t basetype; /* PNP base type */
110 uint8_t subtype; /* PNP subtype */
111 uint8_t interface; /* PNP interface */
112 uint16_t chipid; /* Chip identifier if any */
113 uint8_t chipmfg0; /* Chip vendor0 */
114 uint8_t chipmfg1; /* chip vendor1 */
115 };
116
117 /*
118 * master bus
119 */
120 struct pnpbus_softc {
121 struct device sc_dev; /* base device */
122 isa_chipset_tag_t sc_ic;
123
124 bus_space_tag_t sc_iot; /* io space tag */
125 bus_space_tag_t sc_memt; /* mem space tag */
126 bus_dma_tag_t sc_dmat; /* ISA DMA tag */
127 };
128
129 int pnpbus_scan(struct pnpbus_dev_attach_args *pna, PPC_DEVICE *dev);
130 void pnpbus_print_devres(struct pnpbus_dev_attach_args *pna);
131 void *pnpbus_intr_establish(int idx, int level, int (*ih_fun)(void *),
132 void *ih_arg, struct pnpresources *r);
133 void pnpbus_intr_disestablish(void *arg);
134 int pnpbus_getirqnum(struct pnpresources *r, int idx, int *irqp, int *istp);
135 int pnpbus_getdmachan(struct pnpresources *r, int idx, int *chanp);
136 int pnpbus_getioport(struct pnpresources *r, int idx, int *basep,
137 int *sizep);
138 int pnpbus_io_map(struct pnpresources *r, int idx, bus_space_tag_t *tagp,
139 bus_space_handle_t *hdlp);
140 void pnpbus_io_unmap(struct pnpresources *r, int idx, bus_space_tag_t tag,
141 bus_space_handle_t hdl);
142 int pnpbus_getiomem(struct pnpresources *r, int idx, int *basep,
143 int *sizep);
144 int pnpbus_iomem_map(struct pnpresources *r, int idx, bus_space_tag_t *tagp,
145 bus_space_handle_t *hdlp);
146 void pnpbus_iomem_unmap(struct pnpresources *r, int idx, bus_space_tag_t tag,
147 bus_space_handle_t hdl);
148
149 #endif /* _PREP_PNPBUSVAR_H_ */
150