gold: Fix hardcoded library search path
[dragonfly.git] / sys / dev / disk / aha / aha_isa.c
CommitLineData
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1/*
2 * Product specific probe and attach routines for:
3 * Adaptec 154x.
4 *
5 * Derived from code written by:
6 *
7 * Copyright (c) 1998 Justin T. Gibbs
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
16 * 2. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: src/sys/dev/aha/aha_isa.c,v 1.17.2.1 2000/08/02 22:24:40 peter Exp $
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/kernel.h>
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37#include <sys/module.h>
38#include <sys/bus.h>
39#include <sys/rman.h>
40
1f2de5d4 41#include <bus/isa/isavar.h>
984263bc 42
1f2de5d4 43#include "ahareg.h"
984263bc 44
1f2de5d4 45#include <bus/cam/scsi/scsi_all.h>
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46
47static struct isa_pnp_id aha_ids[] = {
48 {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */
49 {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1542 */
50 {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */
51 {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */
52 {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */
53 {0}
54};
55
56/*
57 * Check if the device can be found at the port given
58 * and if so, set it up ready for further work
59 * as an argument, takes the isa_device structure from
60 * autoconf.c
61 */
62static int
63aha_isa_probe(device_t dev)
64{
65 /*
66 * find unit and check we have that many defined
67 */
68 struct aha_softc **sc = device_get_softc(dev);
69 struct aha_softc *aha;
70 int port_index;
71 int max_port_index;
72 int error;
73 u_long port_start, port_count;
74 struct resource *port_res;
75 int port_rid;
76 int drq;
77 int irq;
78
79 aha = NULL;
80
81 /* Check isapnp ids */
82 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
83 return (ENXIO);
84
85 error = bus_get_resource(dev, SYS_RES_IOPORT, 0,
86 &port_start, &port_count);
87 if (error != 0)
88 port_start = 0;
89
90 /*
91 * Bound our board search if the user has
92 * specified an exact port.
93 */
94 aha_find_probe_range(port_start, &port_index, &max_port_index);
95
96 if (port_index < 0)
97 return ENXIO;
98
99 /* Attempt to find an adapter */
100 for (;port_index <= max_port_index; port_index++) {
101 config_data_t config_data;
102 u_int ioport;
103 int error;
104
105 ioport = aha_iop_from_bio(port_index);
106
107 error = bus_set_resource(dev, SYS_RES_IOPORT, 0,
108 ioport, AHA_NREGS);
109 if (error)
110 return error;
111
112 port_rid = 0;
113 port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid,
114 0, ~0, AHA_NREGS, RF_ACTIVE);
115 if (!port_res)
116 continue;
117
118 /* Allocate a softc for use during probing */
af77114a 119 aha = aha_alloc(dev, rman_get_bustag(port_res),
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120 rman_get_bushandle(port_res));
121
122 if (aha == NULL) {
123 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
124 port_res);
125 break;
126 }
127
128 /* See if there is really a card present */
129 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
130 aha_free(aha);
131 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
132 port_res);
133 continue;
134 }
135
136 /*
137 * Determine our IRQ, and DMA settings and
138 * export them to the configuration system.
139 */
140 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
141 (u_int8_t*)&config_data, sizeof(config_data),
142 DEFAULT_CMD_TIMEOUT);
143
144 if (error != 0) {
e3869ec7 145 kprintf("aha_isa_probe: Could not determine IRQ or DMA "
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146 "settings for adapter at 0x%x. Failing probe\n",
147 ioport);
148 aha_free(aha);
149 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
150 port_res);
151 continue;
152 }
153
154 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
155
156 switch (config_data.dma_chan) {
157 case DMA_CHAN_5:
158 drq = 5;
159 break;
160 case DMA_CHAN_6:
161 drq = 6;
162 break;
163 case DMA_CHAN_7:
164 drq = 7;
165 break;
166 default:
e3869ec7 167 kprintf("aha_isa_probe: Invalid DMA setting "
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168 "detected for adapter at 0x%x. "
169 "Failing probe\n", ioport);
170 return (ENXIO);
171 }
172 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
173 if (error)
174 return error;
175
176 irq = ffs(config_data.irq) + 8;
177 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
178 if (error)
179 return error;
180
181 *sc = aha;
182 aha_unit++;
183
184 return (0);
185 }
186
187 return (ENXIO);
188}
189
190/*
191 * Attach all the sub-devices we can find
192 */
193static int
194aha_isa_attach(device_t dev)
195{
196 struct aha_softc **sc = device_get_softc(dev);
197 struct aha_softc *aha;
198 bus_dma_filter_t *filter;
199 void *filter_arg;
200 bus_addr_t lowaddr;
201 void *ih;
202 int error;
203
204 aha = *sc;
af77114a 205 aha->dev = dev;
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206 aha->portrid = 0;
207 aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid,
208 0, ~0, AHA_NREGS, RF_ACTIVE);
209 if (!aha->port) {
210 device_printf(dev, "Unable to allocate I/O ports\n");
211 return ENOMEM;
212 }
213
214 aha->irqrid = 0;
215 aha->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &aha->irqrid, 0, ~0, 1,
216 RF_ACTIVE);
217 if (!aha->irq) {
218 device_printf(dev, "Unable to allocate excluse use of irq\n");
219 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
220 return ENOMEM;
221 }
222
223 aha->drqrid = 0;
224 aha->drq = bus_alloc_resource(dev, SYS_RES_DRQ, &aha->drqrid, 0, ~0, 1,
225 RF_ACTIVE);
226 if (!aha->drq) {
227 device_printf(dev, "Unable to allocate drq\n");
228 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
229 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
230 return ENOMEM;
231 }
232
233#if 0 /* is the drq ever unset? */
234 if (dev->id_drq != -1)
235 isa_dmacascade(dev->id_drq);
236#endif
237 isa_dmacascade(rman_get_start(aha->drq));
238
239 /* Allocate our parent dmatag */
240 filter = NULL;
241 filter_arg = NULL;
242 lowaddr = BUS_SPACE_MAXADDR_24BIT;
243
244 if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0,
245 lowaddr, /*highaddr*/BUS_SPACE_MAXADDR,
246 filter, filter_arg,
247 /*maxsize*/BUS_SPACE_MAXSIZE_24BIT,
248 /*nsegments*/BUS_SPACE_UNRESTRICTED,
249 /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT,
250 /*flags*/0, &aha->parent_dmat) != 0) {
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251 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
252 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
253 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
7c1a6b01 254 aha_free(aha);
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255 return (ENOMEM);
256 }
257
258 if (aha_init(aha)) {
259 device_printf(dev, "init failed\n");
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260 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
261 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
262 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
7c1a6b01 263 aha_free(aha);
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264 return (ENOMEM);
265 }
266
267 error = aha_attach(aha);
268 if (error) {
269 device_printf(dev, "attach failed\n");
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270 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
271 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
272 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
7c1a6b01 273 aha_free(aha);
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274 return (error);
275 }
276
ee61f228 277 error = bus_setup_intr(dev, aha->irq, 0, aha_intr, aha, &ih, NULL);
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278 if (error) {
279 device_printf(dev, "Unable to register interrupt handler\n");
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280 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
281 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
282 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
7c1a6b01 283 aha_free(aha);
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284 return (error);
285 }
286
287 return (0);
288}
289
290static int
291aha_isa_detach(device_t dev)
292{
293 struct aha_softc *aha = *(struct aha_softc **) device_get_softc(dev);
294 int error;
295
296 error = bus_teardown_intr(dev, aha->irq, aha->ih);
297 if (error) {
298 device_printf(dev, "failed to unregister interrupt handler\n");
299 }
300
301 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
302 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
303 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
304
305 error = aha_detach(aha);
306 if (error) {
307 device_printf(dev, "detach failed\n");
308 return (error);
309 }
310 aha_free(aha);
311
312 return (0);
313}
314
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315static device_method_t aha_isa_methods[] = {
316 /* Device interface */
317 DEVMETHOD(device_probe, aha_isa_probe),
318 DEVMETHOD(device_attach, aha_isa_attach),
319 DEVMETHOD(device_detach, aha_isa_detach),
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320
321 { 0, 0 }
322};
323
324static driver_t aha_isa_driver = {
325 "aha",
326 aha_isa_methods,
327 sizeof(struct aha_softc*),
328};
329
330static devclass_t aha_devclass;
331
aa2b9d05 332DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, NULL, NULL);