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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/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   
43 struct 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
51 static int aic_isa_alloc_resources(device_t);
52 static void aic_isa_release_resources(device_t);
53 static int aic_isa_probe(device_t);
54 static int aic_isa_attach(device_t);
55
56 static u_int aic_isa_ports[] = { 0x340, 0x140 };
57 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
58 #define AIC_ISA_PORTSIZE 0x20
59
60 static struct isa_pnp_id aic_ids[] = {
61         { 0x15309004, "Adaptec AHA-1530P" },
62         { 0x15209004, "Adaptec AHA-1520P" },
63         { 0 }
64 };
65
66 static int
67 aic_isa_alloc_resources(device_t dev)
68 {
69         struct aic_isa_softc *sc = device_get_softc(dev);
70         int rid;
71
72         sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
73
74         rid = 0;
75         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
76                                         0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
77         if (!sc->sc_port) {
78                 device_printf(dev, "I/O port allocation failed\n");
79                 return (ENOMEM);
80         }
81
82         if (isa_get_irq(dev) != -1) {
83                 rid = 0;
84                 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
85                                                     RF_ACTIVE);
86                 if (!sc->sc_irq) {
87                         device_printf(dev, "IRQ allocation failed\n");
88                         aic_isa_release_resources(dev);
89                         return (ENOMEM);
90                 }
91         }
92
93         if (isa_get_drq(dev) != -1) {
94                 rid = 0;
95                 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
96                                                     RF_ACTIVE);
97                 if (!sc->sc_drq) {
98                         device_printf(dev, "DRQ allocation failed\n");
99                         aic_isa_release_resources(dev);
100                         return (ENOMEM);
101                 }
102         }
103
104         sc->sc_aic.dev = dev;
105         sc->sc_aic.unit = device_get_unit(dev);
106         sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
107         sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
108         return (0);
109 }
110
111 static void
112 aic_isa_release_resources(device_t dev)
113 {
114         struct aic_isa_softc *sc = device_get_softc(dev);
115
116         if (sc->sc_port)
117                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
118         if (sc->sc_irq)
119                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
120         if (sc->sc_drq)
121                 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
122         sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
123 }
124
125 static int
126 aic_isa_probe(device_t dev)
127 {
128         struct aic_isa_softc *sc = device_get_softc(dev);
129         struct aic_softc *aic = &sc->sc_aic;
130         int numports, i;
131         u_int port, *ports;
132         u_int8_t porta;
133
134         if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
135                 return (ENXIO);
136
137         port = isa_get_port(dev);
138         if (port != -1) {
139                 ports = &port;
140                 numports = 1;
141         } else {
142                 ports = aic_isa_ports;
143                 numports = AIC_ISA_NUMPORTS;
144         }
145
146         for (i = 0; i < numports; i++) {
147                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
148                                      AIC_ISA_PORTSIZE))
149                         continue;
150                 if (aic_isa_alloc_resources(dev))
151                         continue;
152                 if (!aic_probe(aic)) {
153                         aic_isa_release_resources(dev);
154                         break;
155                 }
156                 aic_isa_release_resources(dev);
157         }
158
159         if (i == numports)
160                 return (ENXIO);
161
162         porta = aic_inb(aic, PORTA);
163         if (isa_get_irq(dev) == -1)
164                 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
165         if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
166                 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
167         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
168         return (0);
169 }
170
171 static int
172 aic_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
191         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
192                                 NULL, aic_intr, aic, &sc->sc_ih);
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
201 static int
202 aic_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
223 static 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
231 static driver_t aic_isa_driver = {
232         "aic",
233         aic_isa_methods, sizeof(struct aic_isa_softc),
234 };
235
236 extern devclass_t aic_devclass;
237
238 MODULE_DEPEND(aic, cam, 1,1,1);
239 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);