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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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
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   
46 struct 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
54 static int aic_isa_alloc_resources(device_t);
55 static void aic_isa_release_resources(device_t);
56 static int aic_isa_probe(device_t);
57 static int aic_isa_attach(device_t);
58
59 static u_int aic_isa_ports[] = { 0x340, 0x140 };
60 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
61 #define AIC_ISA_PORTSIZE 0x20
62
63 static struct isa_pnp_id aic_ids[] = {
64         { 0x15309004, "Adaptec AHA-1530P" },
65         { 0x15209004, "Adaptec AHA-1520P" },
66         { 0 }
67 };
68
69 static int
70 aic_isa_alloc_resources(device_t dev)
71 {
72         struct aic_isa_softc *sc = device_get_softc(dev);
73         int rid;
74
75         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
76
77         rid = 0;
78         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
79                                         0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
80         if (!sc->sc_port) {
81                 device_printf(dev, "I/O port allocation failed\n");
82                 return (ENOMEM);
83         }
84
85         if (isa_get_irq(dev) != -1) {
86                 rid = 0;
87                 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
88                                                     RF_ACTIVE);
89                 if (!sc->sc_irq) {
90                         device_printf(dev, "IRQ allocation failed\n");
91                         aic_isa_release_resources(dev);
92                         return (ENOMEM);
93                 }
94         }
95
96         if (isa_get_drq(dev) != -1) {
97                 rid = 0;
98                 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
99                                                     RF_ACTIVE);
100                 if (!sc->sc_drq) {
101                         device_printf(dev, "DRQ allocation failed\n");
102                         aic_isa_release_resources(dev);
103                         return (ENOMEM);
104                 }
105         }
106
107         sc->sc_aic.dev = dev;
108         sc->sc_aic.res = sc->sc_port;
109         mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
110         return (0);
111 }
112
113 static void
114 aic_isa_release_resources(device_t dev)
115 {
116         struct aic_isa_softc *sc = device_get_softc(dev);
117
118         if (sc->sc_port)
119                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
120         if (sc->sc_irq)
121                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
122         if (sc->sc_drq)
123                 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
124         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
125         mtx_destroy(&sc->sc_aic.lock);
126 }
127
128 static int
129 aic_isa_probe(device_t dev)
130 {
131         struct aic_isa_softc *sc = device_get_softc(dev);
132         struct aic_softc *aic = &sc->sc_aic;
133         int numports, i;
134         u_int port, *ports;
135         u_int8_t porta;
136
137         if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
138                 return (ENXIO);
139
140         port = isa_get_port(dev);
141         if (port != -1) {
142                 ports = &port;
143                 numports = 1;
144         } else {
145                 ports = aic_isa_ports;
146                 numports = AIC_ISA_NUMPORTS;
147         }
148
149         for (i = 0; i < numports; i++) {
150                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
151                                      AIC_ISA_PORTSIZE))
152                         continue;
153                 if (aic_isa_alloc_resources(dev))
154                         continue;
155                 if (aic_probe(aic) == 0)
156                         break;
157                 aic_isa_release_resources(dev);
158         }
159
160         if (i == numports)
161                 return (ENXIO);
162
163         porta = aic_inb(aic, PORTA);
164         aic_isa_release_resources(dev);
165         if (isa_get_irq(dev) == -1)
166                 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
167         if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
168                 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
169         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
170         return (0);
171 }
172
173 static int
174 aic_isa_attach(device_t dev)
175 {
176         struct aic_isa_softc *sc = device_get_softc(dev);
177         struct aic_softc *aic = &sc->sc_aic;
178         int error;
179
180         error = aic_isa_alloc_resources(dev);
181         if (error) {
182                 device_printf(dev, "resource allocation failed\n");
183                 return (error);
184         }
185
186         error = aic_attach(aic);
187         if (error) {
188                 device_printf(dev, "attach failed\n");
189                 aic_isa_release_resources(dev);
190                 return (error);
191         }
192
193         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
194             INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
195         if (error) {
196                 device_printf(dev, "failed to register interrupt handler\n");
197                 aic_isa_release_resources(dev);
198                 return (error);
199         }
200         return (0);
201 }
202
203 static int
204 aic_isa_detach(device_t dev)
205 {
206         struct aic_isa_softc *sc = device_get_softc(dev);
207         struct aic_softc *aic = &sc->sc_aic;
208         int error;
209
210         error = aic_detach(aic);
211         if (error) {
212                 device_printf(dev, "detach failed\n");
213                 return (error);
214         }
215
216         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
217         if (error) {
218                 device_printf(dev, "failed to unregister interrupt handler\n");
219         }
220
221         aic_isa_release_resources(dev);
222         return (0);
223 }
224
225 static device_method_t aic_isa_methods[] = {
226         /* Device interface */
227         DEVMETHOD(device_probe,         aic_isa_probe),
228         DEVMETHOD(device_attach,        aic_isa_attach),
229         DEVMETHOD(device_detach,        aic_isa_detach),
230         { 0, 0 }
231 };
232
233 static driver_t aic_isa_driver = {
234         "aic",
235         aic_isa_methods, sizeof(struct aic_isa_softc),
236 };
237
238 extern devclass_t aic_devclass;
239
240 MODULE_DEPEND(aic, cam, 1,1,1);
241 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);