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: releng/11.0/sys/dev/advansys/adv_isa.c 298431 2016-04-21 19:40:10Z pfg $");
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 (nitems(adv_isa_ioports) - 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 rman_res_t 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 device_printf(dev,
139 "Invalid baseport of 0x%jx specified. "
140 "Nearest valid baseport is 0x%x. Failing "
141 "probe.\n", iobase,
142 (port_index <= max_port_index) ?
143 adv_isa_ioports[port_index] :
144 adv_isa_ioports[max_port_index]);
145 return ENXIO;
146 }
147 max_port_index = port_index;
148 }
149
150 /* Perform the actual probing */
151 adv_set_isapnp_wait_for_key();
152 for (;port_index <= max_port_index; port_index++) {
153 u_int16_t port_addr = adv_isa_ioports[port_index];
154 bus_size_t maxsegsz;
155 bus_size_t maxsize;
156 bus_addr_t lowaddr;
157 int error;
158 struct adv_softc *adv;
159
160 if (port_addr == 0)
161 /* Already been attached */
162 continue;
163
164 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
165 continue;
166
167 /* XXX what is the real portsize? */
168 iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
169 RF_ACTIVE);
170 if (iores == NULL)
171 continue;
172
173 if (adv_find_signature(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, iores, 0);
183 if (adv == NULL) {
184 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
185 break;
186 }
187
188 /*
189 * Stop the chip.
190 */
191 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
192 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
193 /*
194 * Determine the chip version.
195 */
196 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
197 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
198 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
199 adv->type = ADV_VL;
200 maxsegsz = ADV_VL_MAX_DMA_COUNT;
201 maxsize = BUS_SPACE_MAXSIZE_32BIT;
202 lowaddr = ADV_VL_MAX_DMA_ADDR;
203 bus_delete_resource(dev, SYS_RES_DRQ, 0);
204 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
205 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
206 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
207 adv->type = ADV_ISAPNP;
208 ADV_OUTB(adv, ADV_REG_IFC,
209 ADV_IFC_INIT_DEFAULT);
210 } else {
211 adv->type = ADV_ISA;
212 }
213 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
214 maxsize = BUS_SPACE_MAXSIZE_24BIT;
215 lowaddr = ADV_ISA_MAX_DMA_ADDR;
216 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
217 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
218 bus_set_resource(dev, SYS_RES_DRQ, 0,
219 adv->isa_dma_channel, 1);
220 } else {
221 panic("advisaprobe: Unknown card revision\n");
222 }
223
224 /*
225 * Allocate a parent dmatag for all tags created
226 * by the MI portions of the advansys driver
227 */
228 error = bus_dma_tag_create(
229 /* parent */ bus_get_dma_tag(dev),
230 /* alignemnt */ 1,
231 /* boundary */ 0,
232 /* lowaddr */ lowaddr,
233 /* highaddr */ BUS_SPACE_MAXADDR,
234 /* filter */ NULL,
235 /* filterarg */ NULL,
236 /* maxsize */ maxsize,
237 /* nsegments */ ~0,
238 /* maxsegsz */ maxsegsz,
239 /* flags */ 0,
240 /* lockfunc */ NULL,
241 /* lockarg */ NULL,
242 &adv->parent_dmat);
243
244 if (error != 0) {
245 device_printf(dev,
246 "Could not allocate DMA tag - error %d\n", error);
247 adv_free(adv);
248 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
249 break;
250 }
251
252 adv->init_level += 2;
253
254 if (overrun_buf == NULL) {
255 /* Need to allocate our overrun buffer */
256 if (bus_dma_tag_create(
257 /* parent */ adv->parent_dmat,
258 /* alignment */ 8,
259 /* boundary */ 0,
260 /* lowaddr */ ADV_ISA_MAX_DMA_ADDR,
261 /* highaddr */ BUS_SPACE_MAXADDR,
262 /* filter */ NULL,
263 /* filterarg */ NULL,
264 /* maxsize */ ADV_OVERRUN_BSIZE,
265 /* nsegments */ 1,
266 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
267 /* flags */ 0,
268 /* lockfunc */ NULL,
269 /* lockarg */ NULL,
270 &overrun_dmat) != 0) {
271 adv_free(adv);
272 bus_release_resource(dev, SYS_RES_IOPORT, 0,
273 iores);
274 break;
275 }
276 if (bus_dmamem_alloc(overrun_dmat,
277 (void **)&overrun_buf,
278 BUS_DMA_NOWAIT,
279 &overrun_dmamap) != 0) {
280 bus_dma_tag_destroy(overrun_dmat);
281 adv_free(adv);
282 bus_release_resource(dev, SYS_RES_IOPORT, 0,
283 iores);
284 break;
285 }
286 /* And permanently map it in */
287 bus_dmamap_load(overrun_dmat, overrun_dmamap,
288 overrun_buf, ADV_OVERRUN_BSIZE,
289 adv_map, &overrun_physbase,
290 /*flags*/0);
291 }
292
293 adv->overrun_physbase = overrun_physbase;
294
295 if (adv_init(adv) != 0) {
296 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
297 bus_dmamem_free(overrun_dmat, overrun_buf,
298 overrun_dmamap);
299 bus_dma_tag_destroy(overrun_dmat);
300 adv_free(adv);
301 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
302 break;
303 }
304
305 switch (adv->type) {
306 case ADV_ISAPNP:
307 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
308 adv->bug_fix_control
309 |= ADV_BUG_FIX_ASYN_USE_SYN;
310 adv->fix_asyn_xfer = ~0;
311 }
312 /* Fall Through */
313 case ADV_ISA:
314 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
315 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
316 adv_set_isa_dma_settings(adv);
317 break;
318
319 case ADV_VL:
320 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
321 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
322 break;
323 default:
324 panic("advisaprobe: Invalid card type\n");
325 }
326
327 /* Determine our IRQ */
328 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
329 bus_set_resource(dev, SYS_RES_IRQ, 0,
330 adv_get_chip_irq(adv), 1);
331 else
332 adv_set_chip_irq(adv, irq);
333
334 irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
335 RF_ACTIVE);
336 if (irqres == NULL ||
337 bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY|
338 INTR_MPSAFE, NULL, adv_intr, adv, &ih) != 0) {
339 if (irqres != NULL)
340 bus_release_resource(dev, SYS_RES_IRQ, rid,
341 irqres);
342 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
343 bus_dmamem_free(overrun_dmat, overrun_buf,
344 overrun_dmamap);
345 bus_dma_tag_destroy(overrun_dmat);
346 adv_free(adv);
347 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
348 break;
349 }
350
351 /* Mark as probed */
352 adv_isa_ioports[port_index] = 0;
353 return 0;
354 }
355
356 if (user_iobase)
357 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
358 else
359 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
360
361 return ENXIO;
362 }
363
364 static int
365 adv_isa_attach(device_t dev)
366 {
367 struct adv_softc *adv = device_get_softc(dev);
368
369 return (adv_attach(adv));
370 }
371
372 static int
373 adv_get_isa_dma_channel(struct adv_softc *adv)
374 {
375 int channel;
376
377 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
378 if (channel == 0x03)
379 return (0);
380 else if (channel == 0x00)
381 return (7);
382 return (channel + 4);
383 }
384
385 static int
386 adv_set_isa_dma_settings(struct adv_softc *adv)
387 {
388 u_int16_t cfg_lsw;
389 u_int8_t value;
390
391 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
392 if (adv->isa_dma_channel == 7)
393 value = 0x00;
394 else
395 value = adv->isa_dma_channel - 4;
396 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
397 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
398 cfg_lsw |= value;
399 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
400
401 adv->isa_dma_speed &= 0x07;
402 adv_set_bank(adv, 1);
403 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
404 adv_set_bank(adv, 0);
405 isa_dmacascade(adv->isa_dma_channel);
406 }
407 return (0);
408 }
409
410 static void
411 adv_set_isapnp_wait_for_key(void)
412 {
413 static int isapnp_wait_set = 0;
414 if (isapnp_wait_set == 0) {
415 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
416 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
417 isapnp_wait_set++;
418 }
419 }
420
421 static device_method_t adv_isa_methods[] = {
422 /* Device interface */
423 DEVMETHOD(device_probe, adv_isa_probe),
424 DEVMETHOD(device_attach, adv_isa_attach),
425 { 0, 0 }
426 };
427
428 static driver_t adv_isa_driver = {
429 "adv", adv_isa_methods, sizeof(struct adv_softc)
430 };
431
432 static devclass_t adv_isa_devclass;
433 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);
434 MODULE_DEPEND(adv, isa, 1, 1, 1);
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