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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/aic/aic_cbus.c 170872 2007-06-17 05:55:54Z scottl $");
29
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/module.h>
33#include <sys/bus.h>
34
35#include <machine/bus.h>
36#include <machine/resource.h>
37#include <sys/rman.h>
38
39#include <isa/isavar.h>
40#include <dev/aic/aic6360reg.h>
41#include <dev/aic/aicvar.h>
42
43struct aic_isa_softc {
44 struct aic_softc sc_aic;
45 struct resource *sc_port;
46 struct resource *sc_irq;
47 struct resource *sc_drq;
48 void *sc_ih;
49};
50
51static int aic_isa_alloc_resources(device_t);
52static void aic_isa_release_resources(device_t);
53static int aic_isa_probe(device_t);
54static int aic_isa_attach(device_t);
55
56static u_int aic_isa_ports[] = { 0x1840 };
57#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
58#define AIC_ISA_PORTSIZE 0x20
59
60#define AIC98_GENERIC 0x00
61#define AIC98_NEC100 0x01
62#define AIC_TYPE98(x) (((x) >> 16) & 0x01)
63
64static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
65 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
66 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
67 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
68 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
69};
70static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
71 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
72 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
73 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
74 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
75};
76
77static struct isa_pnp_id aic_ids[] = {
78 { 0xa180a3b8, "NEC PC9801-100" },
79 { 0 }
80};
81
82static int
83aic_isa_alloc_resources(device_t dev)
84{
85 struct aic_isa_softc *sc = device_get_softc(dev);
86 int rid;
87 bus_addr_t *bs_iat;
88
89 if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
90 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
91 bs_iat = aicport_100;
92 else
93 bs_iat = aicport_generic;
94
95 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
96
97 rid = 0;
98 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
99 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
100 if (!sc->sc_port) {
101 device_printf(dev, "I/O port allocation failed\n");
102 return (ENOMEM);
103 }
104 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
105
106 if (isa_get_irq(dev) != -1) {
107 rid = 0;
108 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
109 RF_ACTIVE);
110 if (!sc->sc_irq) {
111 device_printf(dev, "IRQ allocation failed\n");
112 aic_isa_release_resources(dev);
113 return (ENOMEM);
114 }
115 }
116
117 if (isa_get_drq(dev) != -1) {
118 rid = 0;
119 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
120 RF_ACTIVE);
121 if (!sc->sc_drq) {
122 device_printf(dev, "DRQ allocation failed\n");
123 aic_isa_release_resources(dev);
124 return (ENOMEM);
125 }
126 }
127
128 sc->sc_aic.dev = dev;
129 sc->sc_aic.unit = device_get_unit(dev);
130 sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
131 sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
132 return (0);
133}
134
135static void
136aic_isa_release_resources(device_t dev)
137{
138 struct aic_isa_softc *sc = device_get_softc(dev);
139
140 if (sc->sc_port)
141 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
142 if (sc->sc_irq)
143 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
144 if (sc->sc_drq)
145 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
146 sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
147}
148
149static int
150aic_isa_probe(device_t dev)
151{
152 struct aic_isa_softc *sc = device_get_softc(dev);
153 struct aic_softc *aic = &sc->sc_aic;
154 int numports, i;
155 u_int port, *ports;
156 u_int8_t porta;
157
158 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
159 return (ENXIO);
160
161 port = isa_get_port(dev);
162 if (port != -1) {
163 ports = &port;
164 numports = 1;
165 } else {
166 ports = aic_isa_ports;
167 numports = AIC_ISA_NUMPORTS;
168 }
169
170 for (i = 0; i < numports; i++) {
171 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
172 continue;
173 if (aic_isa_alloc_resources(dev))
174 continue;
175 if (!aic_probe(aic)) {
176 aic_isa_release_resources(dev);
177 break;
178 }
179 aic_isa_release_resources(dev);
180 }
181
182 if (i == numports)
183 return (ENXIO);
184
185 porta = aic_inb(aic, PORTA);
186 if (isa_get_irq(dev) == -1)
187 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
188 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
189 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
190 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
191 return (0);
192}
193
194static int
195aic_isa_attach(device_t dev)
196{
197 struct aic_isa_softc *sc = device_get_softc(dev);
198 struct aic_softc *aic = &sc->sc_aic;
199 int error;
200
201 error = aic_isa_alloc_resources(dev);
202 if (error) {
203 device_printf(dev, "resource allocation failed\n");
204 return (error);
205 }
206
207 error = aic_attach(aic);
208 if (error) {
209 device_printf(dev, "attach failed\n");
210 aic_isa_release_resources(dev);
211 return (error);
212 }
213
214 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
215 NULL, aic_intr, aic, &sc->sc_ih);
216 if (error) {
217 device_printf(dev, "failed to register interrupt handler\n");
218 aic_isa_release_resources(dev);
219 return (error);
220 }
221 return (0);
222}
223
224static int
225aic_isa_detach(device_t dev)
226{
227 struct aic_isa_softc *sc = device_get_softc(dev);
228 struct aic_softc *aic = &sc->sc_aic;
229 int error;
230
231 error = aic_detach(aic);
232 if (error) {
233 device_printf(dev, "detach failed\n");
234 return (error);
235 }
236
237 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
238 if (error) {
239 device_printf(dev, "failed to unregister interrupt handler\n");
240 }
241
242 aic_isa_release_resources(dev);
243 return (0);
244}
245
246static device_method_t aic_isa_methods[] = {
247 /* Device interface */
248 DEVMETHOD(device_probe, aic_isa_probe),
249 DEVMETHOD(device_attach, aic_isa_attach),
250 DEVMETHOD(device_detach, aic_isa_detach),
251 { 0, 0 }
252};
253
254static driver_t aic_isa_driver = {
255 "aic",
256 aic_isa_methods, sizeof(struct aic_isa_softc),
257};
258
259extern devclass_t aic_devclass;
260
261MODULE_DEPEND(aic, cam, 1,1,1);
262DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);