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 241591 2012-10-15 16:09:59Z jhb $");
29
30#include <sys/param.h>
31#include <sys/callout.h>
32#include <sys/kernel.h>
33#include <sys/lock.h>
34#include <sys/module.h>
35#include <sys/mutex.h>
36#include <sys/bus.h>
37
38#include <machine/bus.h>
39#include <machine/resource.h>
40#include <sys/rman.h>
41
42#include <isa/isavar.h>
43#include <dev/aic/aic6360reg.h>
44#include <dev/aic/aicvar.h>
45
46struct aic_isa_softc {
47 struct aic_softc sc_aic;
48 struct resource *sc_port;
49 struct resource *sc_irq;
50 struct resource *sc_drq;
51 void *sc_ih;
52};
53
54static int aic_isa_alloc_resources(device_t);
55static void aic_isa_release_resources(device_t);
56static int aic_isa_probe(device_t);
57static int aic_isa_attach(device_t);
58
59static u_int aic_isa_ports[] = { 0x1840 };
60#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
61#define AIC_ISA_PORTSIZE 0x20
62
63#define AIC98_GENERIC 0x00
64#define AIC98_NEC100 0x01
65#define AIC_TYPE98(x) (((x) >> 16) & 0x01)
66
67static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
68 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
69 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
70 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
71 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
72};
73static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
74 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
75 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
76 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
77 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
78};
79
80static struct isa_pnp_id aic_ids[] = {
81 { 0xa180a3b8, "NEC PC9801-100" },
82 { 0 }
83};
84
85static int
86aic_isa_alloc_resources(device_t dev)
87{
88 struct aic_isa_softc *sc = device_get_softc(dev);
89 int rid;
90 bus_addr_t *bs_iat;
91
92 if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
93 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
94 bs_iat = aicport_100;
95 else
96 bs_iat = aicport_generic;
97
98 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
99
100 rid = 0;
101 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
102 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
103 if (!sc->sc_port) {
104 device_printf(dev, "I/O port allocation failed\n");
105 return (ENOMEM);
106 }
107 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
108 mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
109
110 if (isa_get_irq(dev) != -1) {
111 rid = 0;
112 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
113 RF_ACTIVE);
114 if (!sc->sc_irq) {
115 device_printf(dev, "IRQ allocation failed\n");
116 aic_isa_release_resources(dev);
117 return (ENOMEM);
118 }
119 }
120
121 if (isa_get_drq(dev) != -1) {
122 rid = 0;
123 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
124 RF_ACTIVE);
125 if (!sc->sc_drq) {
126 device_printf(dev, "DRQ allocation failed\n");
127 aic_isa_release_resources(dev);
128 return (ENOMEM);
129 }
130 }
131
132 sc->sc_aic.dev = dev;
133 sc->sc_aic.res = sc->sc_port;
134 return (0);
135}
136
137static void
138aic_isa_release_resources(device_t dev)
139{
140 struct aic_isa_softc *sc = device_get_softc(dev);
141
142 if (sc->sc_port)
143 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
144 if (sc->sc_irq)
145 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
146 if (sc->sc_drq)
147 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
148 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
149 mtx_destroy(&sc->sc_aic.lock);
150}
151
152static int
153aic_isa_probe(device_t dev)
154{
155 struct aic_isa_softc *sc = device_get_softc(dev);
156 struct aic_softc *aic = &sc->sc_aic;
157 int numports, i;
158 u_int port, *ports;
159 u_int8_t porta;
160
161 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
162 return (ENXIO);
163
164 port = isa_get_port(dev);
165 if (port != -1) {
166 ports = &port;
167 numports = 1;
168 } else {
169 ports = aic_isa_ports;
170 numports = AIC_ISA_NUMPORTS;
171 }
172
173 for (i = 0; i < numports; i++) {
174 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
175 continue;
176 if (aic_isa_alloc_resources(dev))
177 continue;
178 if (aic_probe(aic) == 0)
179 break;
180 aic_isa_release_resources(dev);
181 }
182
183 if (i == numports)
184 return (ENXIO);
185
186 porta = aic_inb(aic, PORTA);
187 aic_isa_release_resources(dev);
188 if (isa_get_irq(dev) == -1)
189 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
190 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
191 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
192 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
193 return (0);
194}
195
196static int
197aic_isa_attach(device_t dev)
198{
199 struct aic_isa_softc *sc = device_get_softc(dev);
200 struct aic_softc *aic = &sc->sc_aic;
201 int error;
202
203 error = aic_isa_alloc_resources(dev);
204 if (error) {
205 device_printf(dev, "resource allocation failed\n");
206 return (error);
207 }
208
209 error = aic_attach(aic);
210 if (error) {
211 device_printf(dev, "attach failed\n");
212 aic_isa_release_resources(dev);
213 return (error);
214 }
215
216 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
217 INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
218 if (error) {
219 device_printf(dev, "failed to register interrupt handler\n");
220 aic_isa_release_resources(dev);
221 return (error);
222 }
223 return (0);
224}
225
226static int
227aic_isa_detach(device_t dev)
228{
229 struct aic_isa_softc *sc = device_get_softc(dev);
230 struct aic_softc *aic = &sc->sc_aic;
231 int error;
232
233 error = aic_detach(aic);
234 if (error) {
235 device_printf(dev, "detach failed\n");
236 return (error);
237 }
238
239 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
240 if (error) {
241 device_printf(dev, "failed to unregister interrupt handler\n");
242 }
243
244 aic_isa_release_resources(dev);
245 return (0);
246}
247
248static device_method_t aic_isa_methods[] = {
249 /* Device interface */
250 DEVMETHOD(device_probe, aic_isa_probe),
251 DEVMETHOD(device_attach, aic_isa_attach),
252 DEVMETHOD(device_detach, aic_isa_detach),
253 { 0, 0 }
254};
255
256static driver_t aic_isa_driver = {
257 "aic",
258 aic_isa_methods, sizeof(struct aic_isa_softc),
259};
260
261extern devclass_t aic_devclass;
262
263MODULE_DEPEND(aic, cam, 1,1,1);
264DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);