kernel tree reorganization stage 1: Major cvs repository work (not logged as
[dragonfly.git] / sys / dev / disk / aic / aic_cbus.c
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  * $FreeBSD: src/sys/dev/aic/aic_cbus.c,v 1.1.2.2 2000/06/21 09:37:09 nyan Exp $
27  * $DragonFly: src/sys/dev/disk/aic/Attic/aic_cbus.c,v 1.3 2003/08/07 21:16:50 dillon Exp $
28  */
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/bus.h>
35
36 #include <machine/bus_pio.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
39 #include <sys/rman.h>
40  
41 #include <bus/isa/isavar.h>
42 #include "aic6360reg.h"
43 #include "aicvar.h"
44   
45 struct aic_isa_softc {
46         struct  aic_softc sc_aic;
47         struct  resource *sc_port;
48         struct  resource *sc_irq;
49         struct  resource *sc_drq;
50         void    *sc_ih;
51 };
52
53 static int aic_isa_alloc_resources __P((device_t));
54 static void aic_isa_release_resources __P((device_t));
55 static int aic_isa_probe __P((device_t));
56 static int aic_isa_attach __P((device_t));
57
58 #ifdef PC98
59 static u_int aic_isa_ports[] = { 0x1840 };
60 #else
61 static u_int aic_isa_ports[] = { 0x340, 0x140 };
62 #endif
63 #define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0]))
64 #define AIC_ISA_PORTSIZE 0x20
65
66 #ifdef PC98
67 #define AIC98_GENERIC           0x00
68 #define AIC98_NEC100            0x01
69 #define AIC_TYPE98(x)           (((x) >> 16) & 0x01)
70
71 static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
72         0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
73         0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
74         0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
75         0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
76 };
77 static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
78         0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
79         0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
80         0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
81         0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
82 };
83
84 static struct isa_pnp_id aic_ids[] = {
85         { 0xa180a3b8,   "NEC PC9801-100"},
86         {0}
87 };
88 #endif
89
90 static int
91 aic_isa_alloc_resources(device_t dev)
92 {
93         struct aic_isa_softc *sc = device_get_softc(dev);
94         int rid;
95 #ifdef PC98
96         bus_addr_t *bs_iat;
97
98         if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
99             (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
100                 bs_iat = aicport_100;
101         else
102                 bs_iat = aicport_generic;
103 #endif
104
105         sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
106
107         rid = 0;
108 #ifdef PC98
109         sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
110                                           bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
111 #else
112         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
113                                         0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE);
114 #endif
115         if (!sc->sc_port)
116                 return (ENOMEM);
117 #ifdef PC98
118         isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
119 #endif
120
121         if (isa_get_irq(dev) != -1) {
122                 rid = 0;
123                 sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
124                                                 0ul, ~0ul, 1, RF_ACTIVE);
125                 if (!sc->sc_irq) {
126                         aic_isa_release_resources(dev);
127                         return (ENOMEM);
128                 }
129         }
130
131         if (isa_get_drq(dev) != -1) {
132                 rid = 0;
133                 sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
134                                                 0ul, ~0ul, 1, RF_ACTIVE);
135                 if (!sc->sc_drq) {
136                         aic_isa_release_resources(dev);
137                         return (ENOMEM);
138                 }
139         }
140
141         sc->sc_aic.unit = device_get_unit(dev);
142         sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
143         sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
144         return (0);
145 }
146
147 static void
148 aic_isa_release_resources(device_t dev)
149 {
150         struct aic_isa_softc *sc = device_get_softc(dev);
151
152         if (sc->sc_port)
153                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
154         if (sc->sc_irq)
155                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
156         if (sc->sc_drq)
157                 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
158         sc->sc_port = sc->sc_irq = sc->sc_drq = 0;
159 }
160
161 static int
162 aic_isa_probe(device_t dev)
163 {
164         struct aic_isa_softc *sc = device_get_softc(dev);
165         struct aic_softc *aic = &sc->sc_aic;
166         int numports, i;
167         u_int port, *ports;
168         u_int8_t porta;
169
170 #ifdef PC98
171         if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
172 #else
173         if (isa_get_vendorid(dev))
174 #endif
175                 return (ENXIO);
176
177         port = isa_get_port(dev);
178         if (port != -1) {
179                 ports = &port;
180                 numports = 1;
181         } else {
182                 ports = aic_isa_ports;
183                 numports = AIC_ISA_NUMPORTS;
184         }
185
186         for (i = 0; i < numports; i++) {
187 #ifdef PC98
188                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
189                         continue;
190 #else
191                 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i],
192                                      AIC_ISA_PORTSIZE))
193                         continue;
194 #endif
195                 if (aic_isa_alloc_resources(dev))
196                         continue;
197                 if (!aic_probe(aic)) {
198                         aic_isa_release_resources(dev);
199                         break;
200                 }
201                 aic_isa_release_resources(dev);
202         }
203
204         if (i == numports)
205                 return (ENXIO);
206
207         porta = aic_inb(aic, PORTA);
208         if (isa_get_irq(dev) == -1)
209                 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
210         if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
211                 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
212         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
213         return (0);
214 }
215
216 static int
217 aic_isa_attach(device_t dev)
218 {
219         struct aic_isa_softc *sc = device_get_softc(dev);
220         struct aic_softc *aic = &sc->sc_aic;
221         int error;
222
223         error = aic_isa_alloc_resources(dev);
224         if (error) {
225                 device_printf(dev, "resource allocation failed\n");
226                 return (error);
227         }
228
229         error = aic_attach(aic);
230         if (error) {
231                 device_printf(dev, "attach failed\n");
232                 aic_isa_release_resources(dev);
233                 return (error);
234         }
235
236         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
237                                 aic, &sc->sc_ih);
238         if (error) {
239                 device_printf(dev, "failed to register interrupt handler\n");
240                 aic_isa_release_resources(dev);
241                 return (error);
242         }
243         return (0);
244 }
245
246 static int
247 aic_isa_detach(device_t dev)
248 {
249         struct aic_isa_softc *sc = device_get_softc(dev);
250         struct aic_softc *aic = &sc->sc_aic;
251         int error;
252
253         error = aic_detach(aic);
254         if (error) {
255                 device_printf(dev, "detach failed\n");
256                 return (error);
257         }
258
259         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
260         if (error) {
261                 device_printf(dev, "failed to unregister interrupt handler\n");
262         }
263
264         aic_isa_release_resources(dev);
265         return (0);
266 }
267
268 static device_method_t aic_isa_methods[] = {
269         /* Device interface */
270         DEVMETHOD(device_probe,         aic_isa_probe),
271         DEVMETHOD(device_attach,        aic_isa_attach),
272         DEVMETHOD(device_detach,        aic_isa_detach),
273         { 0, 0 }
274 };
275
276 static driver_t aic_isa_driver = {
277         "aic",
278         aic_isa_methods, sizeof(struct aic_isa_softc),
279 };
280
281 extern devclass_t aic_devclass;
282
283 DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);