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1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Luoqi Chen.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include <sys/param.h>
33 #include <sys/callout.h>
34 #include <sys/kernel.h>
35 #include <sys/lock.h>
36 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/bus.h>
39
40 #include <machine/bus.h>
41 #include <machine/resource.h>
42 #include <sys/rman.h>
43  
44 #include <isa/isavar.h>
45 #include <dev/aic/aic6360reg.h>
46 #include <dev/aic/aicvar.h>
47   
48 struct aic_isa_softc {
49         struct  aic_softc sc_aic;
50         struct  resource *sc_port;
51         struct  resource *sc_irq;
52         struct  resource *sc_drq;
53         void    *sc_ih;
54 };
55
56 static int aic_isa_alloc_resources(device_t);
57 static void aic_isa_release_resources(device_t);
58 static int aic_isa_probe(device_t);
59 static int aic_isa_attach(device_t);
60
61 static u_int aic_isa_ports[] = { 0x340, 0x140 };
62
63 #define AIC_ISA_NUMPORTS nitems(aic_isa_ports)
64 #define AIC_ISA_PORTSIZE 0x20
65
66 static struct isa_pnp_id aic_ids[] = {
67         { 0x15309004, "Adaptec AHA-1530P" },
68         { 0x15209004, "Adaptec AHA-1520P" },
69         { 0 }
70 };
71
72 static int
73 aic_isa_alloc_resources(device_t dev)
74 {
75         struct aic_isa_softc *sc = device_get_softc(dev);
76         int rid;
77
78         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
79
80         rid = 0;
81         sc->sc_port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,
82                                                 AIC_ISA_PORTSIZE, RF_ACTIVE);
83         if (!sc->sc_port) {
84                 device_printf(dev, "I/O port allocation failed\n");
85                 return (ENOMEM);
86         }
87
88         if (isa_get_irq(dev) != -1) {
89                 rid = 0;
90                 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
91                                                     RF_ACTIVE);
92                 if (!sc->sc_irq) {
93                         device_printf(dev, "IRQ allocation failed\n");
94                         aic_isa_release_resources(dev);
95                         return (ENOMEM);
96                 }
97         }
98
99         if (isa_get_drq(dev) != -1) {
100                 rid = 0;
101                 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
102                                                     RF_ACTIVE);
103                 if (!sc->sc_drq) {
104                         device_printf(dev, "DRQ allocation failed\n");
105                         aic_isa_release_resources(dev);
106                         return (ENOMEM);
107                 }
108         }
109
110         sc->sc_aic.dev = dev;
111         sc->sc_aic.res = sc->sc_port;
112         mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
113         return (0);
114 }
115
116 static void
117 aic_isa_release_resources(device_t dev)
118 {
119         struct aic_isa_softc *sc = device_get_softc(dev);
120
121         if (sc->sc_port)
122                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
123         if (sc->sc_irq)
124                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
125         if (sc->sc_drq)
126                 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
127         sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
128         mtx_destroy(&sc->sc_aic.lock);
129 }
130
131 static int
132 aic_isa_probe(device_t dev)
133 {
134         struct aic_isa_softc *sc = device_get_softc(dev);
135         struct aic_softc *aic = &sc->sc_aic;
136         int numports, i;
137         u_int port, *ports;
138         u_int8_t porta;
139
140         if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
141                 return (ENXIO);
142
143         port = isa_get_port(dev);
144         if (port != -1) {
145                 ports = &port;
146                 numports = 1;
147         } else {
148                 ports = aic_isa_ports;
149                 numports = AIC_ISA_NUMPORTS;
150         }
151
152         for (i = 0; i < numports; i++) {
153                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
154                                      AIC_ISA_PORTSIZE))
155                         continue;
156                 if (aic_isa_alloc_resources(dev))
157                         continue;
158                 if (aic_probe(aic) == 0)
159                         break;
160                 aic_isa_release_resources(dev);
161         }
162
163         if (i == numports)
164                 return (ENXIO);
165
166         porta = aic_inb(aic, PORTA);
167         aic_isa_release_resources(dev);
168         if (isa_get_irq(dev) == -1)
169                 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
170         if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
171                 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
172         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
173         return (0);
174 }
175
176 static int
177 aic_isa_attach(device_t dev)
178 {
179         struct aic_isa_softc *sc = device_get_softc(dev);
180         struct aic_softc *aic = &sc->sc_aic;
181         int error;
182
183         error = aic_isa_alloc_resources(dev);
184         if (error) {
185                 device_printf(dev, "resource allocation failed\n");
186                 return (error);
187         }
188
189         error = aic_attach(aic);
190         if (error) {
191                 device_printf(dev, "attach failed\n");
192                 aic_isa_release_resources(dev);
193                 return (error);
194         }
195
196         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
197             INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
198         if (error) {
199                 device_printf(dev, "failed to register interrupt handler\n");
200                 aic_isa_release_resources(dev);
201                 return (error);
202         }
203         return (0);
204 }
205
206 static int
207 aic_isa_detach(device_t dev)
208 {
209         struct aic_isa_softc *sc = device_get_softc(dev);
210         struct aic_softc *aic = &sc->sc_aic;
211         int error;
212
213         error = aic_detach(aic);
214         if (error) {
215                 device_printf(dev, "detach failed\n");
216                 return (error);
217         }
218
219         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
220         if (error) {
221                 device_printf(dev, "failed to unregister interrupt handler\n");
222         }
223
224         aic_isa_release_resources(dev);
225         return (0);
226 }
227
228 static device_method_t aic_isa_methods[] = {
229         /* Device interface */
230         DEVMETHOD(device_probe,         aic_isa_probe),
231         DEVMETHOD(device_attach,        aic_isa_attach),
232         DEVMETHOD(device_detach,        aic_isa_detach),
233         { 0, 0 }
234 };
235
236 static driver_t aic_isa_driver = {
237         "aic",
238         aic_isa_methods, sizeof(struct aic_isa_softc),
239 };
240
241 extern devclass_t aic_devclass;
242
243 MODULE_DEPEND(aic, cam, 1,1,1);
244 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);
245 ISA_PNP_INFO(aic_ids);