1 /*-
2 * Device probe and attach routines for the following
3 * Advanced Systems Inc. SCSI controllers:
4 *
5 * Connectivity Products:
6 * ABP510/5150 - Bus-Master ISA (240 CDB) *
7 * ABP5140 - Bus-Master ISA PnP (16 CDB) * **
8 * ABP5142 - Bus-Master ISA PnP with floppy (16 CDB) ***
9 *
10 * Single Channel Products:
11 * ABP542 - Bus-Master ISA with floppy (240 CDB)
12 * ABP842 - Bus-Master VL (240 CDB)
13 *
14 * Dual Channel Products:
15 * ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel)
16 *
17 * * This board has been shipped by HP with the 4020i CD-R drive.
18 * The board has no BIOS so it cannot control a boot device, but
19 * it can control any secondary SCSI device.
20 * ** This board has been sold by SIIG as the i540 SpeedMaster.
21 * *** This board has been sold by SIIG as the i542 SpeedMaster.
22 *
23 * Copyright (c) 1996, 1997 Justin T. Gibbs.
24 * All rights reserved.
25 *
26 * Redistribution and use in source and binary forms, with or without
27 * modification, are permitted provided that the following conditions
28 * are met:
29 * 1. Redistributions of source code must retain the above copyright
30 * notice, this list of conditions, and the following disclaimer,
31 * without modification, immediately at the beginning of the file.
32 * 2. The name of the author may not be used to endorse or promote products
33 * derived from this software without specific prior written permission.
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
36 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
39 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
40 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
41 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
43 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
44 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45 * SUCH DAMAGE.
46 */
47
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
50
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/kernel.h>
54 #include <sys/module.h>
55 #include <sys/lock.h>
56 #include <sys/mutex.h>
57
58 #include <machine/bus.h>
59 #include <machine/resource.h>
60 #include <sys/bus.h>
61 #include <sys/rman.h>
62
63 #include <isa/isavar.h>
64
65 #include <dev/advansys/advansys.h>
66
67 #include <cam/scsi/scsi_all.h>
68
69 #define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
70 #define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
71
72 #define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
73 #define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
74
75 /*
76 * The overrun buffer shared amongst all ISA/VL adapters.
77 */
78 static u_int8_t* overrun_buf;
79 static bus_dma_tag_t overrun_dmat;
80 static bus_dmamap_t overrun_dmamap;
81 static bus_addr_t overrun_physbase;
82
83 /* Possible port addresses an ISA or VL adapter can live at */
84 static u_int16_t adv_isa_ioports[] =
85 {
86 0x100,
87 0x110, /* First selection in BIOS setup */
88 0x120,
89 0x130, /* Second selection in BIOS setup */
90 0x140,
91 0x150, /* Third selection in BIOS setup */
92 0x190, /* Fourth selection in BIOS setup */
93 0x210, /* Fifth selection in BIOS setup */
94 0x230, /* Sixth selection in BIOS setup */
95 0x250, /* Seventh selection in BIOS setup */
96 0x330 /* Eighth and default selection in BIOS setup */
97 };
98
99 #define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
100
101 static int adv_isa_probe(device_t dev);
102 static int adv_isa_attach(device_t dev);
103 static void adv_set_isapnp_wait_for_key(void);
104 static int adv_get_isa_dma_channel(struct adv_softc *adv);
105 static int adv_set_isa_dma_settings(struct adv_softc *adv);
106
107 static int
108 adv_isa_probe(device_t dev)
109 {
110 int port_index;
111 int max_port_index;
112 u_long iobase, iocount, irq;
113 int user_iobase = 0;
114 int rid = 0;
115 void *ih;
116 struct resource *iores, *irqres;
117
118 /*
119 * We don't know of any PnP ID's for these cards.
120 */
121 if (isa_get_logicalid(dev) != 0)
122 return (ENXIO);
123
124 /*
125 * Default to scanning all possible device locations.
126 */
127 port_index = 0;
128 max_port_index = MAX_ISA_IOPORT_INDEX;
129
130 if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, &iocount) == 0) {
131 user_iobase = 1;
132 for (;port_index <= max_port_index; port_index++)
133 if (iobase <= adv_isa_ioports[port_index])
134 break;
135 if ((port_index > max_port_index)
136 || (iobase != adv_isa_ioports[port_index])) {
137 if (bootverbose)
138 printf("adv%d: Invalid baseport of 0x%lx specified. "
139 "Nearest valid baseport is 0x%x. Failing "
140 "probe.\n", device_get_unit(dev), iobase,
141 (port_index <= max_port_index) ?
142 adv_isa_ioports[port_index] :
143 adv_isa_ioports[max_port_index]);
144 return ENXIO;
145 }
146 max_port_index = port_index;
147 }
148
149 /* Perform the actual probing */
150 adv_set_isapnp_wait_for_key();
151 for (;port_index <= max_port_index; port_index++) {
152 u_int16_t port_addr = adv_isa_ioports[port_index];
153 bus_size_t maxsegsz;
154 bus_size_t maxsize;
155 bus_addr_t lowaddr;
156 int error;
157 struct adv_softc *adv;
158
159 if (port_addr == 0)
160 /* Already been attached */
161 continue;
162
163 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
164 continue;
165
166 /* XXX what is the real portsize? */
167 iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
168 RF_ACTIVE);
169 if (iores == NULL)
170 continue;
171
172 if (adv_find_signature(rman_get_bustag(iores),
173 rman_get_bushandle(iores)) == 0) {
174 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
175 continue;
176 }
177
178 /*
179 * Got one. Now allocate our softc
180 * and see if we can initialize the card.
181 */
182 adv = adv_alloc(dev, rman_get_bustag(iores),
183 rman_get_bushandle(iores));
184 if (adv == NULL) {
185 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
186 break;
187 }
188
189 /*
190 * Stop the chip.
191 */
192 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
193 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
194 /*
195 * Determine the chip version.
196 */
197 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
198 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
199 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
200 adv->type = ADV_VL;
201 maxsegsz = ADV_VL_MAX_DMA_COUNT;
202 maxsize = BUS_SPACE_MAXSIZE_32BIT;
203 lowaddr = ADV_VL_MAX_DMA_ADDR;
204 bus_delete_resource(dev, SYS_RES_DRQ, 0);
205 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
206 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
207 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
208 adv->type = ADV_ISAPNP;
209 ADV_OUTB(adv, ADV_REG_IFC,
210 ADV_IFC_INIT_DEFAULT);
211 } else {
212 adv->type = ADV_ISA;
213 }
214 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
215 maxsize = BUS_SPACE_MAXSIZE_24BIT;
216 lowaddr = ADV_ISA_MAX_DMA_ADDR;
217 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
218 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
219 bus_set_resource(dev, SYS_RES_DRQ, 0,
220 adv->isa_dma_channel, 1);
221 } else {
222 panic("advisaprobe: Unknown card revision\n");
223 }
224
225 /*
226 * Allocate a parent dmatag for all tags created
227 * by the MI portions of the advansys driver
228 */
229 /* XXX Should be a child of the ISA bus dma tag */
230 error = bus_dma_tag_create(
231 /* parent */ NULL,
232 /* alignemnt */ 1,
233 /* boundary */ 0,
234 /* lowaddr */ lowaddr,
235 /* highaddr */ BUS_SPACE_MAXADDR,
236 /* filter */ NULL,
237 /* filterarg */ NULL,
238 /* maxsize */ maxsize,
239 /* nsegments */ ~0,
240 /* maxsegsz */ maxsegsz,
241 /* flags */ 0,
242 /* lockfunc */ busdma_lock_mutex,
243 /* lockarg */ &Giant,
244 &adv->parent_dmat);
245
246 if (error != 0) {
247 printf("%s: Could not allocate DMA tag - error %d\n",
248 adv_name(adv), error);
249 adv_free(adv);
250 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
251 break;
252 }
253
254 adv->init_level += 2;
255
256 if (overrun_buf == NULL) {
257 /* Need to allocate our overrun buffer */
258 if (bus_dma_tag_create(
259 /* parent */ adv->parent_dmat,
260 /* alignment */ 8,
261 /* boundary */ 0,
262 /* lowaddr */ ADV_ISA_MAX_DMA_ADDR,
263 /* highaddr */ BUS_SPACE_MAXADDR,
264 /* filter */ NULL,
265 /* filterarg */ NULL,
266 /* maxsize */ ADV_OVERRUN_BSIZE,
267 /* nsegments */ 1,
268 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
269 /* flags */ 0,
270 /* lockfunc */ NULL,
271 /* lockarg */ NULL,
272 &overrun_dmat) != 0) {
273 adv_free(adv);
274 bus_release_resource(dev, SYS_RES_IOPORT, 0,
275 iores);
276 break;
277 }
278 if (bus_dmamem_alloc(overrun_dmat,
279 (void **)&overrun_buf,
280 BUS_DMA_NOWAIT,
281 &overrun_dmamap) != 0) {
282 bus_dma_tag_destroy(overrun_dmat);
283 adv_free(adv);
284 bus_release_resource(dev, SYS_RES_IOPORT, 0,
285 iores);
286 break;
287 }
288 /* And permanently map it in */
289 bus_dmamap_load(overrun_dmat, overrun_dmamap,
290 overrun_buf, ADV_OVERRUN_BSIZE,
291 adv_map, &overrun_physbase,
292 /*flags*/0);
293 }
294
295 adv->overrun_physbase = overrun_physbase;
296
297 if (adv_init(adv) != 0) {
298 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
299 bus_dmamem_free(overrun_dmat, overrun_buf,
300 overrun_dmamap);
301 bus_dma_tag_destroy(overrun_dmat);
302 adv_free(adv);
303 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
304 break;
305 }
306
307 switch (adv->type) {
308 case ADV_ISAPNP:
309 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
310 adv->bug_fix_control
311 |= ADV_BUG_FIX_ASYN_USE_SYN;
312 adv->fix_asyn_xfer = ~0;
313 }
314 /* Fall Through */
315 case ADV_ISA:
316 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
317 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
318 adv_set_isa_dma_settings(adv);
319 break;
320
321 case ADV_VL:
322 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
323 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
324 break;
325 default:
326 panic("advisaprobe: Invalid card type\n");
327 }
328
329 /* Determine our IRQ */
330 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
331 bus_set_resource(dev, SYS_RES_IRQ, 0,
332 adv_get_chip_irq(adv), 1);
333 else
334 adv_set_chip_irq(adv, irq);
335
336 irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
337 RF_ACTIVE);
338 if (irqres == NULL ||
339 bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY,
340 NULL, adv_intr, adv, &ih)) {
341 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
342 bus_dmamem_free(overrun_dmat, overrun_buf,
343 overrun_dmamap);
344 bus_dma_tag_destroy(overrun_dmat);
345 adv_free(adv);
346 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
347 break;
348 }
349
350 /* Mark as probed */
351 adv_isa_ioports[port_index] = 0;
352 return 0;
353 }
354
355 if (user_iobase)
356 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
357 else
358 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
359
360 return ENXIO;
361 }
362
363 static int
364 adv_isa_attach(device_t dev)
365 {
366 struct adv_softc *adv = device_get_softc(dev);
367
368 return (adv_attach(adv));
369 }
370
371 static int
372 adv_get_isa_dma_channel(struct adv_softc *adv)
373 {
374 int channel;
375
376 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
377 if (channel == 0x03)
378 return (0);
379 else if (channel == 0x00)
380 return (7);
381 return (channel + 4);
382 }
383
384 static int
385 adv_set_isa_dma_settings(struct adv_softc *adv)
386 {
387 u_int16_t cfg_lsw;
388 u_int8_t value;
389
390 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
391 if (adv->isa_dma_channel == 7)
392 value = 0x00;
393 else
394 value = adv->isa_dma_channel - 4;
395 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
396 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
397 cfg_lsw |= value;
398 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
399
400 adv->isa_dma_speed &= 0x07;
401 adv_set_bank(adv, 1);
402 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
403 adv_set_bank(adv, 0);
404 isa_dmacascade(adv->isa_dma_channel);
405 }
406 return (0);
407 }
408
409 static void
410 adv_set_isapnp_wait_for_key(void)
411 {
412 static int isapnp_wait_set = 0;
413 if (isapnp_wait_set == 0) {
414 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
415 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
416 isapnp_wait_set++;
417 }
418 }
419
420 static device_method_t adv_isa_methods[] = {
421 /* Device interface */
422 DEVMETHOD(device_probe, adv_isa_probe),
423 DEVMETHOD(device_attach, adv_isa_attach),
424 { 0, 0 }
425 };
426
427 static driver_t adv_isa_driver = {
428 "adv", adv_isa_methods, sizeof(struct adv_softc)
429 };
430
431 static devclass_t adv_isa_devclass;
432 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);
433 MODULE_DEPEND(adv, isa, 1, 1, 1);
Cache object: 48d4ea275969ad778f45afc4eeff1611
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