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