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_pio.h>
59 #include <machine/bus.h>
60 #include <machine/resource.h>
61 #include <sys/bus.h>
62 #include <sys/rman.h>
63
64 #include <isa/isavar.h>
65
66 #include <dev/advansys/advansys.h>
67
68 #include <cam/scsi/scsi_all.h>
69
70 #define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
71 #define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
72
73 #define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
74 #define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
75
76 /*
77 * The overrun buffer shared amongst all ISA/VL adapters.
78 */
79 static u_int8_t* overrun_buf;
80 static bus_dma_tag_t overrun_dmat;
81 static bus_dmamap_t overrun_dmamap;
82 static bus_addr_t overrun_physbase;
83
84 /* Possible port addresses an ISA or VL adapter can live at */
85 static u_int16_t adv_isa_ioports[] =
86 {
87 0x100,
88 0x110, /* First selection in BIOS setup */
89 0x120,
90 0x130, /* Second selection in BIOS setup */
91 0x140,
92 0x150, /* Third selection in BIOS setup */
93 0x190, /* Fourth selection in BIOS setup */
94 0x210, /* Fifth selection in BIOS setup */
95 0x230, /* Sixth selection in BIOS setup */
96 0x250, /* Seventh selection in BIOS setup */
97 0x330 /* Eighth and default selection in BIOS setup */
98 };
99
100 #define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
101
102 static int adv_isa_probe(device_t dev);
103 static int adv_isa_attach(device_t dev);
104 static void adv_set_isapnp_wait_for_key(void);
105 static int adv_get_isa_dma_channel(struct adv_softc *adv);
106 static int adv_set_isa_dma_settings(struct adv_softc *adv);
107
108 static int
109 adv_isa_probe(device_t dev)
110 {
111 int port_index;
112 int max_port_index;
113 u_long iobase, iocount, irq;
114 int user_iobase = 0;
115 int rid = 0;
116 void *ih;
117 struct resource *iores, *irqres;
118
119 /*
120 * Default to scanning all possible device locations.
121 */
122 port_index = 0;
123 max_port_index = MAX_ISA_IOPORT_INDEX;
124
125 if (bus_get_resource(dev, SYS_RES_IOPORT, 0, &iobase, &iocount) == 0) {
126 user_iobase = 1;
127 for (;port_index <= max_port_index; port_index++)
128 if (iobase <= adv_isa_ioports[port_index])
129 break;
130 if ((port_index > max_port_index)
131 || (iobase != adv_isa_ioports[port_index])) {
132 if (bootverbose)
133 printf("adv%d: Invalid baseport of 0x%lx specified. "
134 "Nearest valid baseport is 0x%x. Failing "
135 "probe.\n", device_get_unit(dev), iobase,
136 (port_index <= max_port_index) ?
137 adv_isa_ioports[port_index] :
138 adv_isa_ioports[max_port_index]);
139 return ENXIO;
140 }
141 max_port_index = port_index;
142 }
143
144 /* Perform the actual probing */
145 adv_set_isapnp_wait_for_key();
146 for (;port_index <= max_port_index; port_index++) {
147 u_int16_t port_addr = adv_isa_ioports[port_index];
148 bus_size_t maxsegsz;
149 bus_size_t maxsize;
150 bus_addr_t lowaddr;
151 int error;
152 struct adv_softc *adv;
153
154 if (port_addr == 0)
155 /* Already been attached */
156 continue;
157
158 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port_addr, 1))
159 continue;
160
161 /* XXX what is the real portsize? */
162 iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
163 RF_ACTIVE);
164 if (iores == NULL)
165 continue;
166
167 if (adv_find_signature(rman_get_bustag(iores),
168 rman_get_bushandle(iores)) == 0) {
169 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
170 continue;
171 }
172
173 /*
174 * Got one. Now allocate our softc
175 * and see if we can initialize the card.
176 */
177 adv = adv_alloc(dev, rman_get_bustag(iores),
178 rman_get_bushandle(iores));
179 if (adv == NULL) {
180 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
181 break;
182 }
183
184 /*
185 * Stop the chip.
186 */
187 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
188 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
189 /*
190 * Determine the chip version.
191 */
192 adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION);
193 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
194 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
195 adv->type = ADV_VL;
196 maxsegsz = ADV_VL_MAX_DMA_COUNT;
197 maxsize = BUS_SPACE_MAXSIZE_32BIT;
198 lowaddr = ADV_VL_MAX_DMA_ADDR;
199 bus_delete_resource(dev, SYS_RES_DRQ, 0);
200 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
201 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
202 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
203 adv->type = ADV_ISAPNP;
204 ADV_OUTB(adv, ADV_REG_IFC,
205 ADV_IFC_INIT_DEFAULT);
206 } else {
207 adv->type = ADV_ISA;
208 }
209 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
210 maxsize = BUS_SPACE_MAXSIZE_24BIT;
211 lowaddr = ADV_ISA_MAX_DMA_ADDR;
212 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
213 adv->isa_dma_channel = adv_get_isa_dma_channel(adv);
214 bus_set_resource(dev, SYS_RES_DRQ, 0,
215 adv->isa_dma_channel, 1);
216 } else {
217 panic("advisaprobe: Unknown card revision\n");
218 }
219
220 /*
221 * Allocate a parent dmatag for all tags created
222 * by the MI portions of the advansys driver
223 */
224 /* XXX Should be a child of the ISA bus dma tag */
225 error = bus_dma_tag_create(
226 /* parent */ NULL,
227 /* alignemnt */ 1,
228 /* boundary */ 0,
229 /* lowaddr */ lowaddr,
230 /* highaddr */ BUS_SPACE_MAXADDR,
231 /* filter */ NULL,
232 /* filterarg */ NULL,
233 /* maxsize */ maxsize,
234 /* nsegments */ ~0,
235 /* maxsegsz */ maxsegsz,
236 /* flags */ 0,
237 /* lockfunc */ busdma_lock_mutex,
238 /* lockarg */ &Giant,
239 &adv->parent_dmat);
240
241 if (error != 0) {
242 printf("%s: Could not allocate DMA tag - error %d\n",
243 adv_name(adv), error);
244 adv_free(adv);
245 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
246 break;
247 }
248
249 adv->init_level += 2;
250
251 if (overrun_buf == NULL) {
252 /* Need to allocate our overrun buffer */
253 if (bus_dma_tag_create(
254 /* parent */ adv->parent_dmat,
255 /* alignment */ 8,
256 /* boundary */ 0,
257 /* lowaddr */ ADV_ISA_MAX_DMA_ADDR,
258 /* highaddr */ BUS_SPACE_MAXADDR,
259 /* filter */ NULL,
260 /* filterarg */ NULL,
261 /* maxsize */ ADV_OVERRUN_BSIZE,
262 /* nsegments */ 1,
263 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
264 /* flags */ 0,
265 /* lockfunc */ NULL,
266 /* lockarg */ NULL,
267 &overrun_dmat) != 0) {
268 adv_free(adv);
269 bus_release_resource(dev, SYS_RES_IOPORT, 0,
270 iores);
271 break;
272 }
273 if (bus_dmamem_alloc(overrun_dmat,
274 (void **)&overrun_buf,
275 BUS_DMA_NOWAIT,
276 &overrun_dmamap) != 0) {
277 bus_dma_tag_destroy(overrun_dmat);
278 adv_free(adv);
279 bus_release_resource(dev, SYS_RES_IOPORT, 0,
280 iores);
281 break;
282 }
283 /* And permanently map it in */
284 bus_dmamap_load(overrun_dmat, overrun_dmamap,
285 overrun_buf, ADV_OVERRUN_BSIZE,
286 adv_map, &overrun_physbase,
287 /*flags*/0);
288 }
289
290 adv->overrun_physbase = overrun_physbase;
291
292 if (adv_init(adv) != 0) {
293 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
294 bus_dmamem_free(overrun_dmat, overrun_buf,
295 overrun_dmamap);
296 bus_dma_tag_destroy(overrun_dmat);
297 adv_free(adv);
298 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
299 break;
300 }
301
302 switch (adv->type) {
303 case ADV_ISAPNP:
304 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG) {
305 adv->bug_fix_control
306 |= ADV_BUG_FIX_ASYN_USE_SYN;
307 adv->fix_asyn_xfer = ~0;
308 }
309 /* Fall Through */
310 case ADV_ISA:
311 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
312 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
313 adv_set_isa_dma_settings(adv);
314 break;
315
316 case ADV_VL:
317 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
318 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
319 break;
320 default:
321 panic("advisaprobe: Invalid card type\n");
322 }
323
324 /* Determine our IRQ */
325 if (bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, NULL))
326 bus_set_resource(dev, SYS_RES_IRQ, 0,
327 adv_get_chip_irq(adv), 1);
328 else
329 adv_set_chip_irq(adv, irq);
330
331 irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
332 RF_ACTIVE);
333 if (irqres == NULL ||
334 bus_setup_intr(dev, irqres, INTR_TYPE_CAM|INTR_ENTROPY,
335 adv_intr, adv, &ih)) {
336 bus_dmamap_unload(overrun_dmat, overrun_dmamap);
337 bus_dmamem_free(overrun_dmat, overrun_buf,
338 overrun_dmamap);
339 bus_dma_tag_destroy(overrun_dmat);
340 adv_free(adv);
341 bus_release_resource(dev, SYS_RES_IOPORT, 0, iores);
342 break;
343 }
344
345 /* Mark as probed */
346 adv_isa_ioports[port_index] = 0;
347 return 0;
348 }
349
350 if (user_iobase)
351 bus_set_resource(dev, SYS_RES_IOPORT, 0, iobase, iocount);
352 else
353 bus_delete_resource(dev, SYS_RES_IOPORT, 0);
354
355 return ENXIO;
356 }
357
358 static int
359 adv_isa_attach(device_t dev)
360 {
361 struct adv_softc *adv = device_get_softc(dev);
362
363 return (adv_attach(adv));
364 }
365
366 static int
367 adv_get_isa_dma_channel(struct adv_softc *adv)
368 {
369 int channel;
370
371 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
372 if (channel == 0x03)
373 return (0);
374 else if (channel == 0x00)
375 return (7);
376 return (channel + 4);
377 }
378
379 static int
380 adv_set_isa_dma_settings(struct adv_softc *adv)
381 {
382 u_int16_t cfg_lsw;
383 u_int8_t value;
384
385 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
386 if (adv->isa_dma_channel == 7)
387 value = 0x00;
388 else
389 value = adv->isa_dma_channel - 4;
390 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
391 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
392 cfg_lsw |= value;
393 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
394
395 adv->isa_dma_speed &= 0x07;
396 adv_set_bank(adv, 1);
397 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
398 adv_set_bank(adv, 0);
399 isa_dmacascade(adv->isa_dma_channel);
400 }
401 return (0);
402 }
403
404 static void
405 adv_set_isapnp_wait_for_key(void)
406 {
407 static int isapnp_wait_set = 0;
408 if (isapnp_wait_set == 0) {
409 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
410 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
411 isapnp_wait_set++;
412 }
413 }
414
415 static device_method_t adv_isa_methods[] = {
416 /* Device interface */
417 DEVMETHOD(device_probe, adv_isa_probe),
418 DEVMETHOD(device_attach, adv_isa_attach),
419 { 0, 0 }
420 };
421
422 static driver_t adv_isa_driver = {
423 "adv", adv_isa_methods, sizeof(struct adv_softc)
424 };
425
426 static devclass_t adv_isa_devclass;
427 DRIVER_MODULE(adv, isa, adv_isa_driver, adv_isa_devclass, 0, 0);
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