VFS accounting: avoid VOP_GETATTR() calls
[dragonfly.git] / sys / dev / disk / aic / aic_isa.c
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1/*-
2 * Copyright (c) 1999 Luoqi Chen.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/dev/aic/aic_isa.c,v 1.3 2000/01/14 23:42:35 imp Exp $
27 */
28
29#include <sys/param.h>
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30#include <sys/kernel.h>
31#include <sys/module.h>
32#include <sys/bus.h>
984263bc 33#include <sys/rman.h>
b47b3275 34#include <sys/machintr.h>
1f7ab7c9 35
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36#include <bus/isa/isavar.h>
37#include "aic6360reg.h"
38#include "aicvar.h"
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39
40struct aic_isa_softc {
41 struct aic_softc sc_aic;
42 struct resource *sc_port;
43 struct resource *sc_irq;
44 struct resource *sc_drq;
45 void *sc_ih;
46};
47
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48static int aic_isa_alloc_resources (device_t);
49static void aic_isa_release_resources (device_t);
50static int aic_isa_probe (device_t);
51static int aic_isa_attach (device_t);
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52
53static u_int aic_isa_ports[] = { 0x340, 0x140 };
c157ff7a 54#define AIC_ISA_NUMPORTS NELEM(aic_isa_ports)
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55#define AIC_ISA_PORTSIZE 0x20
56
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57static struct isa_pnp_id aic_ids[] = {
58 { 0x15309004, "Adaptec AHA-1530P" },
59 { 0x15209004, "Adaptec AHA-1520P" },
60 { 0 }
61};
62
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63static int
64aic_isa_alloc_resources(device_t dev)
65{
66 struct aic_isa_softc *sc = device_get_softc(dev);
67 int rid;
68
4090d6ff 69 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
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70
71 rid = 0;
72 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
73 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
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74 if (!sc->sc_port) {
75 device_printf(dev, "I/O port allocation failed\n");
984263bc 76 return (ENOMEM);
d3de56d8 77 }
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78
79 if (isa_get_irq(dev) != -1) {
80 rid = 0;
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81 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
82 RF_ACTIVE);
984263bc 83 if (!sc->sc_irq) {
d3de56d8 84 device_printf(dev, "IRQ allocation failed\n");
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85 aic_isa_release_resources(dev);
86 return (ENOMEM);
87 }
88 }
89
90 if (isa_get_drq(dev) != -1) {
91 rid = 0;
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92 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
93 RF_ACTIVE);
984263bc 94 if (!sc->sc_drq) {
d3de56d8 95 device_printf(dev, "DRQ allocation failed\n");
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96 aic_isa_release_resources(dev);
97 return (ENOMEM);
98 }
99 }
100
101 sc->sc_aic.unit = device_get_unit(dev);
102 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
103 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
104 return (0);
105}
106
107static void
108aic_isa_release_resources(device_t dev)
109{
110 struct aic_isa_softc *sc = device_get_softc(dev);
111
112 if (sc->sc_port)
113 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
114 if (sc->sc_irq)
115 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
116 if (sc->sc_drq)
117 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
4090d6ff 118 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
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119}
120
121static int
122aic_isa_probe(device_t dev)
123{
124 struct aic_isa_softc *sc = device_get_softc(dev);
125 struct aic_softc *aic = &sc->sc_aic;
126 int numports, i;
127 u_int port, *ports;
128 u_int8_t porta;
129
d3de56d8 130 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
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131 return (ENXIO);
132
133 port = isa_get_port(dev);
134 if (port != -1) {
135 ports = &port;
136 numports = 1;
137 } else {
138 ports = aic_isa_ports;
139 numports = AIC_ISA_NUMPORTS;
140 }
141
142 for (i = 0; i < numports; i++) {
143 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
b47b3275 144 AIC_ISA_PORTSIZE, -1))
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145 continue;
146 if (aic_isa_alloc_resources(dev))
147 continue;
148 if (!aic_probe(aic)) {
149 aic_isa_release_resources(dev);
150 break;
151 }
152 aic_isa_release_resources(dev);
153 }
154
155 if (i == numports)
156 return (ENXIO);
157
158 porta = aic_inb(aic, PORTA);
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159 if (isa_get_irq(dev) == -1) {
160 int irq = PORTA_IRQ(porta);
161
162 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1,
bec969af 163 machintr_legacy_intr_cpuid(irq));
b47b3275 164 }
984263bc 165 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
b47b3275 166 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1, -1);
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167 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
168 return (0);
169}
170
171static int
172aic_isa_attach(device_t dev)
173{
174 struct aic_isa_softc *sc = device_get_softc(dev);
175 struct aic_softc *aic = &sc->sc_aic;
176 int error;
177
178 error = aic_isa_alloc_resources(dev);
179 if (error) {
180 device_printf(dev, "resource allocation failed\n");
181 return (error);
182 }
183
184 error = aic_attach(aic);
185 if (error) {
186 device_printf(dev, "attach failed\n");
187 aic_isa_release_resources(dev);
188 return (error);
189 }
190
ee61f228 191 error = bus_setup_intr(dev, sc->sc_irq, 0, aic_intr,
e9cb6d99 192 aic, &sc->sc_ih, NULL);
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193 if (error) {
194 device_printf(dev, "failed to register interrupt handler\n");
195 aic_isa_release_resources(dev);
196 return (error);
197 }
198 return (0);
199}
200
201static int
202aic_isa_detach(device_t dev)
203{
204 struct aic_isa_softc *sc = device_get_softc(dev);
205 struct aic_softc *aic = &sc->sc_aic;
206 int error;
207
208 error = aic_detach(aic);
209 if (error) {
210 device_printf(dev, "detach failed\n");
211 return (error);
212 }
213
214 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
215 if (error) {
216 device_printf(dev, "failed to unregister interrupt handler\n");
217 }
218
219 aic_isa_release_resources(dev);
220 return (0);
221}
222
223static device_method_t aic_isa_methods[] = {
224 /* Device interface */
225 DEVMETHOD(device_probe, aic_isa_probe),
226 DEVMETHOD(device_attach, aic_isa_attach),
227 DEVMETHOD(device_detach, aic_isa_detach),
228 { 0, 0 }
229};
230
231static driver_t aic_isa_driver = {
232 "aic",
233 aic_isa_methods, sizeof(struct aic_isa_softc),
234};
235
236extern devclass_t aic_devclass;
237
d3de56d8 238MODULE_DEPEND(aic, cam, 1,1,1);
aa2b9d05 239DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, NULL, NULL);