1 /*
2 * Product specific probe and attach routines for:
3 * Adaptec 154x.
4 */
5 /*-
6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7 *
8 * Copyright (c) 1999-2003 M. Warner Losh
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification, immediately at the beginning of the file.
17 * 2. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * Derived from bt isa from end, written by:
33 *
34 * Copyright (c) 1998 Justin T. Gibbs
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions, and the following disclaimer,
42 * without modification, immediately at the beginning of the file.
43 * 2. The name of the author may not be used to endorse or promote products
44 * derived from this software without specific prior written permission.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
50 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56 * SUCH DAMAGE.
57 */
58
59 #include <sys/cdefs.h>
60 __FBSDID("$FreeBSD$");
61
62 #include <sys/param.h>
63 #include <sys/systm.h>
64 #include <sys/kernel.h>
65 #include <sys/lock.h>
66 #include <sys/mutex.h>
67
68 #include <machine/bus.h>
69 #include <machine/resource.h>
70 #include <sys/module.h>
71 #include <sys/bus.h>
72 #include <sys/rman.h>
73
74 #include <isa/isavar.h>
75
76 #include <dev/aha/ahareg.h>
77
78 #include <cam/scsi/scsi_all.h>
79
80 static struct isa_pnp_id aha_ids[] = {
81 {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */
82 {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1540 */
83 {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */
84 {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */
85 {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */
86 {0}
87 };
88
89 /*
90 * I/O ports listed in the order enumerated by the card for certain op codes.
91 */
92 static bus_addr_t aha_board_ports[] =
93 {
94 0x330,
95 0x334,
96 0x230,
97 0x234,
98 0x130,
99 0x134
100 };
101
102 /*
103 * Check if the device can be found at the port given
104 */
105 static int
aha_isa_probe(device_t dev)106 aha_isa_probe(device_t dev)
107 {
108 /*
109 * find unit and check we have that many defined
110 */
111 struct aha_softc *aha = device_get_softc(dev);
112 int error;
113 u_long port_start;
114 int port_rid;
115 int drq;
116 int irq;
117 config_data_t config_data;
118
119 aha->dev = dev;
120 /* Check isapnp ids */
121 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
122 return (ENXIO);
123
124 port_rid = 0;
125 aha->port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &port_rid,
126 AHA_NREGS, RF_ACTIVE);
127
128 if (aha->port == NULL)
129 return (ENXIO);
130
131 port_start = rman_get_start(aha->port);
132 aha_alloc(aha);
133
134 /* See if there is really a card present */
135 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
136 aha_free(aha);
137 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, aha->port);
138 return (ENXIO);
139 }
140
141 /*
142 * Determine our IRQ, and DMA settings and
143 * export them to the configuration system.
144 */
145 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
146 (uint8_t*)&config_data, sizeof(config_data), DEFAULT_CMD_TIMEOUT);
147
148 if (error != 0) {
149 device_printf(dev, "Could not determine IRQ or DMA "
150 "settings for adapter at %#jx. Failing probe\n",
151 (uintmax_t)port_start);
152 aha_free(aha);
153 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
154 aha->port);
155 return (ENXIO);
156 }
157
158 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, aha->port);
159 aha->port = NULL;
160
161 switch (config_data.dma_chan) {
162 case DMA_CHAN_5:
163 drq = 5;
164 break;
165 case DMA_CHAN_6:
166 drq = 6;
167 break;
168 case DMA_CHAN_7:
169 drq = 7;
170 break;
171 default:
172 device_printf(dev, "Invalid DMA setting for adapter at %#jx.",
173 (uintmax_t)port_start);
174 return (ENXIO);
175 }
176 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
177 if (error)
178 return error;
179
180 irq = ffs(config_data.irq) + 8;
181 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
182 return (error);
183 }
184
185 /*
186 * Attach all the sub-devices we can find
187 */
188 static int
aha_isa_attach(device_t dev)189 aha_isa_attach(device_t dev)
190 {
191 struct aha_softc *aha = device_get_softc(dev);
192 int error = ENOMEM;
193
194 aha->dev = dev;
195 aha->portrid = 0;
196 aha->port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
197 &aha->portrid, AHA_NREGS, RF_ACTIVE);
198 if (!aha->port) {
199 device_printf(dev, "Unable to allocate I/O ports\n");
200 goto fail;
201 }
202
203 aha->irqrid = 0;
204 aha->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &aha->irqrid,
205 RF_ACTIVE);
206 if (!aha->irq) {
207 device_printf(dev, "Unable to allocate excluse use of irq\n");
208 goto fail;
209 }
210
211 aha->drqrid = 0;
212 aha->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &aha->drqrid,
213 RF_ACTIVE);
214 if (!aha->drq) {
215 device_printf(dev, "Unable to allocate drq\n");
216 goto fail;
217 }
218
219 #if 0 /* is the drq ever unset? */
220 if (dev->id_drq != -1)
221 isa_dmacascade(dev->id_drq);
222 #endif
223 isa_dmacascade(rman_get_start(aha->drq));
224
225 /* Allocate our parent dmatag */
226 if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(dev),
227 /* alignemnt */ 1,
228 /* boundary */ 0,
229 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT,
230 /* highaddr */ BUS_SPACE_MAXADDR,
231 /* filter */ NULL,
232 /* filterarg */ NULL,
233 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
234 /* nsegments */ ~0,
235 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
236 /* flags */ 0,
237 /* lockfunc */ NULL,
238 /* lockarg */ NULL,
239 &aha->parent_dmat) != 0) {
240 device_printf(dev, "dma tag create failed.\n");
241 goto fail;
242 }
243
244 if (aha_init(aha)) {
245 device_printf(dev, "init failed\n");
246 goto fail;
247 }
248 /*
249 * The 1542A and B look the same. So we guess based on
250 * the firmware revision. It appears that only rev 0 is on
251 * the A cards.
252 */
253 if (aha->boardid <= BOARD_1542 && aha->fw_major == 0) {
254 device_printf(dev, "154xA may not work\n");
255 aha->ccb_sg_opcode = INITIATOR_SG_CCB;
256 aha->ccb_ccb_opcode = INITIATOR_CCB;
257 }
258
259 error = aha_attach(aha);
260 if (error) {
261 device_printf(dev, "attach failed\n");
262 goto fail;
263 }
264
265 error = bus_setup_intr(dev, aha->irq, INTR_TYPE_CAM|INTR_ENTROPY|
266 INTR_MPSAFE, NULL, aha_intr, aha, &aha->ih);
267 if (error) {
268 device_printf(dev, "Unable to register interrupt handler\n");
269 aha_detach(aha);
270 goto fail;
271 }
272
273 return (0);
274 fail: ;
275 aha_free(aha);
276 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
277 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
278 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
279 return (error);
280 }
281
282 static int
aha_isa_detach(device_t dev)283 aha_isa_detach(device_t dev)
284 {
285 struct aha_softc *aha = (struct aha_softc *)device_get_softc(dev);
286 int error;
287
288 error = bus_teardown_intr(dev, aha->irq, aha->ih);
289 if (error)
290 device_printf(dev, "failed to unregister interrupt handler\n");
291
292 error = aha_detach(aha);
293 if (error) {
294 device_printf(dev, "detach failed\n");
295 return (error);
296 }
297 aha_free(aha);
298 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
299 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
300 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
301
302 return (0);
303 }
304
305 static void
aha_isa_identify(driver_t * driver,device_t parent)306 aha_isa_identify(driver_t *driver, device_t parent)
307 {
308 int i;
309 bus_addr_t ioport;
310 struct aha_softc aha;
311 int rid;
312 device_t child;
313
314 /* Attempt to find an adapter */
315 for (i = 0; i < nitems(aha_board_ports); i++) {
316 bzero(&aha, sizeof(aha));
317 ioport = aha_board_ports[i];
318 /*
319 * XXX Check to see if we have a hard-wired aha device at
320 * XXX this port, if so, skip. This should also cover the
321 * XXX case where we are run multiple times due to, eg,
322 * XXX kldload/kldunload.
323 */
324 rid = 0;
325 aha.port = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
326 ioport, ioport, AHA_NREGS, RF_ACTIVE);
327 if (aha.port == NULL)
328 continue;
329 aha_alloc(&aha);
330 /* See if there is really a card present */
331 if (aha_probe(&aha) || aha_fetch_adapter_info(&aha))
332 goto not_this_one;
333 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "aha", -1);
334 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, AHA_NREGS);
335 /*
336 * Could query the board and set IRQ/DRQ, but probe does
337 * that.
338 */
339 not_this_one:
340 bus_release_resource(parent, SYS_RES_IOPORT, rid, aha.port);
341 aha_free(&aha);
342 }
343 }
344
345 static device_method_t aha_isa_methods[] = {
346 /* Device interface */
347 DEVMETHOD(device_probe, aha_isa_probe),
348 DEVMETHOD(device_attach, aha_isa_attach),
349 DEVMETHOD(device_detach, aha_isa_detach),
350 DEVMETHOD(device_identify, aha_isa_identify),
351
352 { 0, 0 }
353 };
354
355 static driver_t aha_isa_driver = {
356 "aha",
357 aha_isa_methods,
358 sizeof(struct aha_softc),
359 };
360
361 static devclass_t aha_devclass;
362
363 DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);
364 MODULE_DEPEND(aha, isa, 1, 1, 1);
365 ISA_PNP_INFO(aha_ids);
366