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>
| 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>
|
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
78static 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 */
90static 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 */
103static int
104aha_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 struct resource *port_res;
113 int port_rid;
114 int drq;
115 int irq;
116 config_data_t config_data;
117
118 aha->dev = dev;
119 /* Check isapnp ids */
120 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
121 return (ENXIO);
122
123 port_rid = 0;
124 port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid,
125 0, ~0, AHA_NREGS, RF_ACTIVE);
126
127 if (port_res == NULL)
128 return (ENXIO);
129
130 port_start = rman_get_start(port_res);
131 aha_alloc(aha, device_get_unit(dev), rman_get_bustag(port_res),
132 rman_get_bushandle(port_res));
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, port_res);
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 port_res);
155 return (ENXIO);
156 }
157
158 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
159
160 switch (config_data.dma_chan) {
161 case DMA_CHAN_5:
162 drq = 5;
163 break;
164 case DMA_CHAN_6:
165 drq = 6;
166 break;
167 case DMA_CHAN_7:
168 drq = 7;
169 break;
170 default:
171 device_printf(dev, "Invalid DMA setting for adapter at %#jx.",
172 (uintmax_t)port_start);
173 return (ENXIO);
174 }
175 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
176 if (error)
177 return error;
178
179 irq = ffs(config_data.irq) + 8;
180 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
181 return (error);
182}
183
184/*
185 * Attach all the sub-devices we can find
186 */
187static int
188aha_isa_attach(device_t dev)
189{
190 struct aha_softc *aha = device_get_softc(dev);
191 bus_dma_filter_t *filter;
192 void *filter_arg;
193 bus_addr_t lowaddr;
194 void *ih;
195 int error = ENOMEM;
196 int aha_free_needed = 0;
197
198 aha->dev = dev;
199 aha->portrid = 0;
200 aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid,
201 0, ~0, AHA_NREGS, RF_ACTIVE);
202 if (!aha->port) {
203 device_printf(dev, "Unable to allocate I/O ports\n");
204 goto fail;
205 }
206
207 aha->irqrid = 0;
208 aha->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &aha->irqrid,
209 RF_ACTIVE);
210 if (!aha->irq) {
211 device_printf(dev, "Unable to allocate excluse use of irq\n");
212 goto fail;
213 }
214
215 aha->drqrid = 0;
216 aha->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &aha->drqrid,
217 RF_ACTIVE);
218 if (!aha->drq) {
219 device_printf(dev, "Unable to allocate drq\n");
220 goto fail;
221 }
222
223#if 0 /* is the drq ever unset? */
224 if (dev->id_drq != -1)
225 isa_dmacascade(dev->id_drq);
226#endif
227 isa_dmacascade(rman_get_start(aha->drq));
228
229 /* Allocate our parent dmatag */
230 filter = NULL;
231 filter_arg = NULL;
232 lowaddr = BUS_SPACE_MAXADDR_24BIT;
233
234 if (bus_dma_tag_create( /* parent */ NULL,
235 /* alignemnt */ 1,
236 /* boundary */ 0,
237 /* lowaddr */ lowaddr,
238 /* highaddr */ BUS_SPACE_MAXADDR,
239 /* filter */ filter,
240 /* filterarg */ filter_arg,
241 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
242 /* nsegments */ ~0,
243 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
244 /* flags */ 0,
245 /* lockfunc */ busdma_lock_mutex,
246 /* lockarg */ &Giant,
247 &aha->parent_dmat) != 0) {
248 device_printf(dev, "dma tag create failed.\n");
249 goto fail;
250 }
251
252 if (aha_init(aha)) {
253 device_printf(dev, "init failed\n");
254 goto fail;
255 }
256 /*
257 * The 1542A and B look the same. So we guess based on
258 * the firmware revision. It appears that only rev 0 is on
259 * the A cards.
260 */
261 if (aha->boardid <= BOARD_1542 && aha->fw_major == 0) {
262 device_printf(dev, "154xA may not work\n");
263 aha->ccb_sg_opcode = INITIATOR_SG_CCB;
264 aha->ccb_ccb_opcode = INITIATOR_CCB;
265 }
266 aha_free_needed++;
267
268 error = aha_attach(aha);
269 if (error) {
270 device_printf(dev, "attach failed\n");
271 goto fail;
272 }
273
274 error = bus_setup_intr(dev, aha->irq, INTR_TYPE_CAM|INTR_ENTROPY,
275 aha_intr, aha, &ih);
276 if (error) {
277 device_printf(dev, "Unable to register interrupt handler\n");
278 goto fail;
279 }
280
281 return (0);
282fail: ;
283 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
284 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
285 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
286 if (aha_free_needed)
287 aha_free(aha);
288 return (error);
289}
290
291static int
292aha_isa_detach(device_t dev)
293{
294 struct aha_softc *aha = (struct aha_softc *)device_get_softc(dev);
295 int error;
296
297 error = bus_teardown_intr(dev, aha->irq, aha->ih);
298 if (error)
299 device_printf(dev, "failed to unregister interrupt handler\n");
300
301 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
302 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
303 bus_free_resource(dev, SYS_RES_DRQ, 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
315static void
316aha_isa_identify(driver_t *driver, device_t parent)
317{
318 int i;
319 bus_addr_t ioport;
320 struct aha_softc aha;
321 int rid;
322 struct resource *res;
323 device_t child;
324
325 /* Attempt to find an adapter */
326 for (i = 0; i < sizeof(aha_board_ports) / sizeof(aha_board_ports[0]);
327 i++) {
328 bzero(&aha, sizeof(aha));
329 ioport = aha_board_ports[i];
330 /*
331 * XXX Check to see if we have a hard-wired aha device at
332 * XXX this port, if so, skip. This should also cover the
333 * XXX case where we are run multiple times due to, eg,
334 * XXX kldload/kldunload.
335 */
336 rid = 0;
337 res = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
338 ioport, ioport, AHA_NREGS, RF_ACTIVE);
339 if (res == NULL)
340 continue;
341 aha_alloc(&aha, -1, rman_get_bustag(res),
342 rman_get_bushandle(res));
343 /* See if there is really a card present */
344 if (aha_probe(&aha) || aha_fetch_adapter_info(&aha))
345 goto not_this_one;
346 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "aha", -1);
347 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, AHA_NREGS);
348 /*
349 * Could query the board and set IRQ/DRQ, but probe does
350 * that.
351 */
352 not_this_one:;
353 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
354 aha_free(&aha);
355 }
356}
357
358static device_method_t aha_isa_methods[] = {
359 /* Device interface */
360 DEVMETHOD(device_probe, aha_isa_probe),
361 DEVMETHOD(device_attach, aha_isa_attach),
362 DEVMETHOD(device_detach, aha_isa_detach),
363 DEVMETHOD(device_identify, aha_isa_identify),
364
365 { 0, 0 }
366};
367
368static driver_t aha_isa_driver = {
369 "aha",
370 aha_isa_methods,
371 sizeof(struct aha_softc),
372};
373
374static devclass_t aha_devclass;
375
376DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);
| 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
78static 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 */
90static 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 */
103static int
104aha_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 struct resource *port_res;
113 int port_rid;
114 int drq;
115 int irq;
116 config_data_t config_data;
117
118 aha->dev = dev;
119 /* Check isapnp ids */
120 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
121 return (ENXIO);
122
123 port_rid = 0;
124 port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid,
125 0, ~0, AHA_NREGS, RF_ACTIVE);
126
127 if (port_res == NULL)
128 return (ENXIO);
129
130 port_start = rman_get_start(port_res);
131 aha_alloc(aha, device_get_unit(dev), rman_get_bustag(port_res),
132 rman_get_bushandle(port_res));
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, port_res);
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 port_res);
155 return (ENXIO);
156 }
157
158 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
159
160 switch (config_data.dma_chan) {
161 case DMA_CHAN_5:
162 drq = 5;
163 break;
164 case DMA_CHAN_6:
165 drq = 6;
166 break;
167 case DMA_CHAN_7:
168 drq = 7;
169 break;
170 default:
171 device_printf(dev, "Invalid DMA setting for adapter at %#jx.",
172 (uintmax_t)port_start);
173 return (ENXIO);
174 }
175 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
176 if (error)
177 return error;
178
179 irq = ffs(config_data.irq) + 8;
180 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
181 return (error);
182}
183
184/*
185 * Attach all the sub-devices we can find
186 */
187static int
188aha_isa_attach(device_t dev)
189{
190 struct aha_softc *aha = device_get_softc(dev);
191 bus_dma_filter_t *filter;
192 void *filter_arg;
193 bus_addr_t lowaddr;
194 void *ih;
195 int error = ENOMEM;
196 int aha_free_needed = 0;
197
198 aha->dev = dev;
199 aha->portrid = 0;
200 aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid,
201 0, ~0, AHA_NREGS, RF_ACTIVE);
202 if (!aha->port) {
203 device_printf(dev, "Unable to allocate I/O ports\n");
204 goto fail;
205 }
206
207 aha->irqrid = 0;
208 aha->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &aha->irqrid,
209 RF_ACTIVE);
210 if (!aha->irq) {
211 device_printf(dev, "Unable to allocate excluse use of irq\n");
212 goto fail;
213 }
214
215 aha->drqrid = 0;
216 aha->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &aha->drqrid,
217 RF_ACTIVE);
218 if (!aha->drq) {
219 device_printf(dev, "Unable to allocate drq\n");
220 goto fail;
221 }
222
223#if 0 /* is the drq ever unset? */
224 if (dev->id_drq != -1)
225 isa_dmacascade(dev->id_drq);
226#endif
227 isa_dmacascade(rman_get_start(aha->drq));
228
229 /* Allocate our parent dmatag */
230 filter = NULL;
231 filter_arg = NULL;
232 lowaddr = BUS_SPACE_MAXADDR_24BIT;
233
234 if (bus_dma_tag_create( /* parent */ NULL,
235 /* alignemnt */ 1,
236 /* boundary */ 0,
237 /* lowaddr */ lowaddr,
238 /* highaddr */ BUS_SPACE_MAXADDR,
239 /* filter */ filter,
240 /* filterarg */ filter_arg,
241 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
242 /* nsegments */ ~0,
243 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
244 /* flags */ 0,
245 /* lockfunc */ busdma_lock_mutex,
246 /* lockarg */ &Giant,
247 &aha->parent_dmat) != 0) {
248 device_printf(dev, "dma tag create failed.\n");
249 goto fail;
250 }
251
252 if (aha_init(aha)) {
253 device_printf(dev, "init failed\n");
254 goto fail;
255 }
256 /*
257 * The 1542A and B look the same. So we guess based on
258 * the firmware revision. It appears that only rev 0 is on
259 * the A cards.
260 */
261 if (aha->boardid <= BOARD_1542 && aha->fw_major == 0) {
262 device_printf(dev, "154xA may not work\n");
263 aha->ccb_sg_opcode = INITIATOR_SG_CCB;
264 aha->ccb_ccb_opcode = INITIATOR_CCB;
265 }
266 aha_free_needed++;
267
268 error = aha_attach(aha);
269 if (error) {
270 device_printf(dev, "attach failed\n");
271 goto fail;
272 }
273
274 error = bus_setup_intr(dev, aha->irq, INTR_TYPE_CAM|INTR_ENTROPY,
275 aha_intr, aha, &ih);
276 if (error) {
277 device_printf(dev, "Unable to register interrupt handler\n");
278 goto fail;
279 }
280
281 return (0);
282fail: ;
283 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
284 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
285 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
286 if (aha_free_needed)
287 aha_free(aha);
288 return (error);
289}
290
291static int
292aha_isa_detach(device_t dev)
293{
294 struct aha_softc *aha = (struct aha_softc *)device_get_softc(dev);
295 int error;
296
297 error = bus_teardown_intr(dev, aha->irq, aha->ih);
298 if (error)
299 device_printf(dev, "failed to unregister interrupt handler\n");
300
301 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
302 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
303 bus_free_resource(dev, SYS_RES_DRQ, 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
315static void
316aha_isa_identify(driver_t *driver, device_t parent)
317{
318 int i;
319 bus_addr_t ioport;
320 struct aha_softc aha;
321 int rid;
322 struct resource *res;
323 device_t child;
324
325 /* Attempt to find an adapter */
326 for (i = 0; i < sizeof(aha_board_ports) / sizeof(aha_board_ports[0]);
327 i++) {
328 bzero(&aha, sizeof(aha));
329 ioport = aha_board_ports[i];
330 /*
331 * XXX Check to see if we have a hard-wired aha device at
332 * XXX this port, if so, skip. This should also cover the
333 * XXX case where we are run multiple times due to, eg,
334 * XXX kldload/kldunload.
335 */
336 rid = 0;
337 res = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
338 ioport, ioport, AHA_NREGS, RF_ACTIVE);
339 if (res == NULL)
340 continue;
341 aha_alloc(&aha, -1, rman_get_bustag(res),
342 rman_get_bushandle(res));
343 /* See if there is really a card present */
344 if (aha_probe(&aha) || aha_fetch_adapter_info(&aha))
345 goto not_this_one;
346 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "aha", -1);
347 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, AHA_NREGS);
348 /*
349 * Could query the board and set IRQ/DRQ, but probe does
350 * that.
351 */
352 not_this_one:;
353 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
354 aha_free(&aha);
355 }
356}
357
358static device_method_t aha_isa_methods[] = {
359 /* Device interface */
360 DEVMETHOD(device_probe, aha_isa_probe),
361 DEVMETHOD(device_attach, aha_isa_attach),
362 DEVMETHOD(device_detach, aha_isa_detach),
363 DEVMETHOD(device_identify, aha_isa_identify),
364
365 { 0, 0 }
366};
367
368static driver_t aha_isa_driver = {
369 "aha",
370 aha_isa_methods,
371 sizeof(struct aha_softc),
372};
373
374static devclass_t aha_devclass;
375
376DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);
|