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 * $Id: adv_isa.c,v 1.4 1998/09/15 07:03:39 gibbs Exp $
48 */
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/malloc.h>
53
54#include <machine/bus_pio.h>
55#include <machine/bus.h>
56
57#include <i386/isa/isa.h>
58#include <i386/isa/isa_device.h>
59
60#include <dev/advansys/advansys.h>
61
62#include <cam/scsi/scsi_all.h>
63
64#define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
65#define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
66
67#define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
68#define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
69
70/*
71 * The overrun buffer shared amongst all ISA/VL adapters.
72 */
73static u_int8_t* overrun_buf;
74bus_dma_tag_t overrun_dmat;
75bus_dmamap_t overrun_dmamap;
76bus_addr_t overrun_physbase;
77
78/* Possible port addresses an ISA or VL adapter can live at */
79u_int16_t adv_isa_ioports[] =
80{
81 0x100,
82 0x110, /* First selection in BIOS setup */
83 0x120,
84 0x130, /* Second selection in BIOS setup */
85 0x140,
86 0x150, /* Third selection in BIOS setup */
87 0x190, /* Fourth selection in BIOS setup */
88 0x210, /* Fifth selection in BIOS setup */
89 0x230, /* Sixth selection in BIOS setup */
90 0x250, /* Seventh selection in BIOS setup */
91 0x330 /* Eighth and default selection in BIOS setup */
92};
93
94#define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
95
96static int advisaprobe(struct isa_device *id);
97static int advisaattach(struct isa_device *id);
98static void adv_set_isapnp_wait_for_key(void);
99static int adv_get_isa_dma_channel(struct adv_softc *adv);
100static int adv_set_isa_dma_settings(struct adv_softc *adv);
101
102void adv_isa_intr(void *unit);
103
104struct isa_driver advdriver =
105{
106 advisaprobe,
107 advisaattach,
108 "adv"
109};
110
111static int
112advisaprobe(struct isa_device *id)
113{
114 int port_index;
115 int max_port_index;
116
117 /*
118 * Default to scanning all possible device locations.
119 */
120 port_index = 0;
121 max_port_index = MAX_ISA_IOPORT_INDEX;
122
123 if (id->id_iobase > 0) {
124 for (;port_index <= max_port_index; port_index++)
125 if (id->id_iobase >= adv_isa_ioports[port_index])
126 break;
127 if ((port_index > max_port_index)
128 || (id->id_iobase != adv_isa_ioports[port_index])) {
129 printf("adv%d: Invalid baseport of 0x%x specified. "
130 "Neerest valid baseport is 0x%x. Failing "
131 "probe.\n", id->id_unit, id->id_iobase,
132 (port_index <= max_port_index) ?
133 adv_isa_ioports[port_index] :
134 adv_isa_ioports[max_port_index]);
135 return 0;
136 }
137 max_port_index = port_index;
138 }
139
140 /* Perform the actual probing */
141 adv_set_isapnp_wait_for_key();
142 for (;port_index <= max_port_index; port_index++) {
143 u_int16_t port_addr = adv_isa_ioports[port_index];
144 bus_size_t maxsegsz;
145 bus_size_t maxsize;
146 bus_addr_t lowaddr;
147 int error;
148
149 if (port_addr == 0)
150 /* Already been attached */
151 continue;
152 /*
153 * Make sure that we do not conflict with another device's
154 * I/O address.
155 */
156 if (haveseen_isadev(id, CC_IOADDR))
157 continue;
158
159 if (adv_find_signature(I386_BUS_SPACE_IO, port_addr)) {
160 /*
161 * Got one. Now allocate our softc
162 * and see if we can initialize the card.
163 */
164 struct adv_softc *adv;
165 adv = adv_alloc(id->id_unit, I386_BUS_SPACE_IO,
166 port_addr);
167 if (adv == NULL)
168 return (0);
169
170 adv_unit++;
171
172 id->id_iobase = adv->bsh;
173
174 /*
175 * Stop the chip.
176 */
177 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
178 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
179 /*
180 * Determine the chip version.
181 */
182 adv->chip_version = ADV_INB(adv,
183 ADV_NONEISA_CHIP_REVISION);
184 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
185 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
186 adv->type = ADV_VL;
187 maxsegsz = ADV_VL_MAX_DMA_COUNT;
188 maxsize = BUS_SPACE_MAXSIZE_32BIT;
189 lowaddr = ADV_VL_MAX_DMA_ADDR;
190 id->id_drq = -1;
191 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
192 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
193 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
194 adv->type = ADV_ISAPNP;
195 ADV_OUTB(adv, ADV_REG_IFC,
196 ADV_IFC_INIT_DEFAULT);
197 } else {
198 adv->type = ADV_ISA;
199 }
200 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
201 maxsize = BUS_SPACE_MAXSIZE_24BIT;
202 lowaddr = ADV_ISA_MAX_DMA_ADDR;
203 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
204 adv->isa_dma_channel =
205 adv_get_isa_dma_channel(adv);
206 id->id_drq = adv->isa_dma_channel;
207 } else {
208 panic("advisaprobe: Unknown card revision\n");
209 }
210
211 /*
212 * Allocate a parent dmatag for all tags created
213 * by the MI portions of the advansys driver
214 */
215 /* XXX Should be a child of the ISA bus dma tag */
216 error =
217 bus_dma_tag_create(/*parent*/NULL,
218 /*alignemnt*/0,
219 /*boundary*/0,
220 lowaddr,
221 /*highaddr*/BUS_SPACE_MAXADDR,
222 /*filter*/NULL,
223 /*filterarg*/NULL,
224 maxsize,
225 /*nsegs*/BUS_SPACE_UNRESTRICTED,
226 maxsegsz,
227 /*flags*/0,
228 &adv->parent_dmat);
229
230 if (error != 0) {
231 printf("%s: Could not allocate DMA tag - error %d\n",
232 adv_name(adv), error);
233 adv_free(adv);
234 return (0);
235 }
236
237 adv->init_level++;
238
239 if (overrun_buf == NULL) {
240 /* Need to allocate our overrun buffer */
241 if (bus_dma_tag_create(adv->parent_dmat,
242 /*alignment*/8,
243 /*boundary*/0,
244 ADV_ISA_MAX_DMA_ADDR,
245 BUS_SPACE_MAXADDR,
246 /*filter*/NULL,
247 /*filterarg*/NULL,
248 ADV_OVERRUN_BSIZE,
249 /*nsegments*/1,
250 BUS_SPACE_MAXSIZE_32BIT,
251 /*flags*/0,
252 &overrun_dmat) != 0) {
253 adv_free(adv);
254 return (0);
255 }
256 if (bus_dmamem_alloc(overrun_dmat,
257 (void **)&overrun_buf,
258 BUS_DMA_NOWAIT,
259 &overrun_dmamap) != 0) {
260 bus_dma_tag_destroy(overrun_dmat);
261 adv_free(adv);
262 return (0);
263 }
264 /* And permanently map it in */
265 bus_dmamap_load(overrun_dmat, overrun_dmamap,
266 overrun_buf, ADV_OVERRUN_BSIZE,
267 adv_map, &overrun_physbase,
268 /*flags*/0);
269 }
270
271 adv->overrun_physbase = overrun_physbase;
272
273 /*
274 * OK, check to make sure that we're not stepping on
275 * someone else's IRQ or DRQ
276 */
277 if (haveseen_isadev(id, CC_DRQ)) {
278 printf("advisaprobe: Aha card at I/O 0x%x's "
279 "drq %d conflicts, ignoring card.\n",
280 id->id_iobase, id->id_drq);
281 adv_free(adv);
282 return 0;
283 }
284
285 if (adv_init(adv) != 0) {
286 adv_free(adv);
287 return (0);
288 }
289
290 switch (adv->type) {
291 case ADV_ISAPNP:
292 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG){
293 adv->bug_fix_control
294 |= ADV_BUG_FIX_ASYN_USE_SYN;
295 adv->fix_asyn_xfer = ~0;
296 }
297 /* Fall Through */
298 case ADV_ISA:
299 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
300 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
301 adv_set_isa_dma_settings(adv);
302 break;
303
304 case ADV_VL:
305 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
306 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
307 break;
308 default:
309 panic("advisaprobe: Invalid card type\n");
310 }
311
312 /* Determine our IRQ */
313 if (id->id_irq == 0 /* irq ? */)
314 id->id_irq = 1 << adv_get_chip_irq(adv);
315 else
316 adv_set_chip_irq(adv, ffs(id->id_irq) - 1);
317
318 id->id_intr = adv_isa_intr;
319
320 /* Mark as probed */
321 adv_isa_ioports[port_index] = 0;
322 return 1;
323 }
324 }
325
326 return 0;
327}
328
329static int
330advisaattach(struct isa_device *id)
331{
332 struct adv_softc *adv;
333
334 adv = advsoftcs[id->id_unit];
335 return (adv_attach(adv));
336}
337
338static int
339adv_get_isa_dma_channel(struct adv_softc *adv)
340{
341 int channel;
342
343 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
344 if (channel == 0x03)
345 return (0);
346 else if (channel == 0x00)
347 return (7);
348 return (channel + 4);
349}
350
351static int
352adv_set_isa_dma_settings(struct adv_softc *adv)
353{
354 u_int16_t cfg_lsw;
355 u_int8_t value;
356
357 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
358 if (adv->isa_dma_channel == 7)
359 value = 0x00;
360 else
361 value = adv->isa_dma_channel - 4;
362 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
363 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
364 cfg_lsw |= value;
365 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
366
367 adv->isa_dma_speed &= 0x07;
368 adv_set_bank(adv, 1);
369 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
370 adv_set_bank(adv, 0);
371 isa_dmacascade(adv->isa_dma_channel);
372 }
373 return (0);
374}
375
376static void
377adv_set_isapnp_wait_for_key(void)
378{
379 static int isapnp_wait_set = 0;
380 if (isapnp_wait_set == 0) {
381 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
382 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
383 isapnp_wait_set++;
384 }
385 return;
386}
387
388/*
389 * Handle an ISA interrupt.
390 * XXX should go away as soon as ISA interrupt handlers
391 * take a (void *) arg.
392 */
393void
394adv_isa_intr(void *unit)
395{
396 struct adv_softc *arg = advsoftcs[(int)unit];
397 adv_intr((void *)arg);
398}
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 * $Id: adv_isa.c,v 1.4 1998/09/15 07:03:39 gibbs Exp $
48 */
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/malloc.h>
53
54#include <machine/bus_pio.h>
55#include <machine/bus.h>
56
57#include <i386/isa/isa.h>
58#include <i386/isa/isa_device.h>
59
60#include <dev/advansys/advansys.h>
61
62#include <cam/scsi/scsi_all.h>
63
64#define ADV_ISA_MAX_DMA_ADDR (0x00FFFFFFL)
65#define ADV_ISA_MAX_DMA_COUNT (0x00FFFFFFL)
66
67#define ADV_VL_MAX_DMA_ADDR (0x07FFFFFFL)
68#define ADV_VL_MAX_DMA_COUNT (0x07FFFFFFL)
69
70/*
71 * The overrun buffer shared amongst all ISA/VL adapters.
72 */
73static u_int8_t* overrun_buf;
74bus_dma_tag_t overrun_dmat;
75bus_dmamap_t overrun_dmamap;
76bus_addr_t overrun_physbase;
77
78/* Possible port addresses an ISA or VL adapter can live at */
79u_int16_t adv_isa_ioports[] =
80{
81 0x100,
82 0x110, /* First selection in BIOS setup */
83 0x120,
84 0x130, /* Second selection in BIOS setup */
85 0x140,
86 0x150, /* Third selection in BIOS setup */
87 0x190, /* Fourth selection in BIOS setup */
88 0x210, /* Fifth selection in BIOS setup */
89 0x230, /* Sixth selection in BIOS setup */
90 0x250, /* Seventh selection in BIOS setup */
91 0x330 /* Eighth and default selection in BIOS setup */
92};
93
94#define MAX_ISA_IOPORT_INDEX (sizeof(adv_isa_ioports)/sizeof(u_int16_t) - 1)
95
96static int advisaprobe(struct isa_device *id);
97static int advisaattach(struct isa_device *id);
98static void adv_set_isapnp_wait_for_key(void);
99static int adv_get_isa_dma_channel(struct adv_softc *adv);
100static int adv_set_isa_dma_settings(struct adv_softc *adv);
101
102void adv_isa_intr(void *unit);
103
104struct isa_driver advdriver =
105{
106 advisaprobe,
107 advisaattach,
108 "adv"
109};
110
111static int
112advisaprobe(struct isa_device *id)
113{
114 int port_index;
115 int max_port_index;
116
117 /*
118 * Default to scanning all possible device locations.
119 */
120 port_index = 0;
121 max_port_index = MAX_ISA_IOPORT_INDEX;
122
123 if (id->id_iobase > 0) {
124 for (;port_index <= max_port_index; port_index++)
125 if (id->id_iobase >= adv_isa_ioports[port_index])
126 break;
127 if ((port_index > max_port_index)
128 || (id->id_iobase != adv_isa_ioports[port_index])) {
129 printf("adv%d: Invalid baseport of 0x%x specified. "
130 "Neerest valid baseport is 0x%x. Failing "
131 "probe.\n", id->id_unit, id->id_iobase,
132 (port_index <= max_port_index) ?
133 adv_isa_ioports[port_index] :
134 adv_isa_ioports[max_port_index]);
135 return 0;
136 }
137 max_port_index = port_index;
138 }
139
140 /* Perform the actual probing */
141 adv_set_isapnp_wait_for_key();
142 for (;port_index <= max_port_index; port_index++) {
143 u_int16_t port_addr = adv_isa_ioports[port_index];
144 bus_size_t maxsegsz;
145 bus_size_t maxsize;
146 bus_addr_t lowaddr;
147 int error;
148
149 if (port_addr == 0)
150 /* Already been attached */
151 continue;
152 /*
153 * Make sure that we do not conflict with another device's
154 * I/O address.
155 */
156 if (haveseen_isadev(id, CC_IOADDR))
157 continue;
158
159 if (adv_find_signature(I386_BUS_SPACE_IO, port_addr)) {
160 /*
161 * Got one. Now allocate our softc
162 * and see if we can initialize the card.
163 */
164 struct adv_softc *adv;
165 adv = adv_alloc(id->id_unit, I386_BUS_SPACE_IO,
166 port_addr);
167 if (adv == NULL)
168 return (0);
169
170 adv_unit++;
171
172 id->id_iobase = adv->bsh;
173
174 /*
175 * Stop the chip.
176 */
177 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
178 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
179 /*
180 * Determine the chip version.
181 */
182 adv->chip_version = ADV_INB(adv,
183 ADV_NONEISA_CHIP_REVISION);
184 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
185 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
186 adv->type = ADV_VL;
187 maxsegsz = ADV_VL_MAX_DMA_COUNT;
188 maxsize = BUS_SPACE_MAXSIZE_32BIT;
189 lowaddr = ADV_VL_MAX_DMA_ADDR;
190 id->id_drq = -1;
191 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
192 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
193 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
194 adv->type = ADV_ISAPNP;
195 ADV_OUTB(adv, ADV_REG_IFC,
196 ADV_IFC_INIT_DEFAULT);
197 } else {
198 adv->type = ADV_ISA;
199 }
200 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
201 maxsize = BUS_SPACE_MAXSIZE_24BIT;
202 lowaddr = ADV_ISA_MAX_DMA_ADDR;
203 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
204 adv->isa_dma_channel =
205 adv_get_isa_dma_channel(adv);
206 id->id_drq = adv->isa_dma_channel;
207 } else {
208 panic("advisaprobe: Unknown card revision\n");
209 }
210
211 /*
212 * Allocate a parent dmatag for all tags created
213 * by the MI portions of the advansys driver
214 */
215 /* XXX Should be a child of the ISA bus dma tag */
216 error =
217 bus_dma_tag_create(/*parent*/NULL,
218 /*alignemnt*/0,
219 /*boundary*/0,
220 lowaddr,
221 /*highaddr*/BUS_SPACE_MAXADDR,
222 /*filter*/NULL,
223 /*filterarg*/NULL,
224 maxsize,
225 /*nsegs*/BUS_SPACE_UNRESTRICTED,
226 maxsegsz,
227 /*flags*/0,
228 &adv->parent_dmat);
229
230 if (error != 0) {
231 printf("%s: Could not allocate DMA tag - error %d\n",
232 adv_name(adv), error);
233 adv_free(adv);
234 return (0);
235 }
236
237 adv->init_level++;
238
239 if (overrun_buf == NULL) {
240 /* Need to allocate our overrun buffer */
241 if (bus_dma_tag_create(adv->parent_dmat,
242 /*alignment*/8,
243 /*boundary*/0,
244 ADV_ISA_MAX_DMA_ADDR,
245 BUS_SPACE_MAXADDR,
246 /*filter*/NULL,
247 /*filterarg*/NULL,
248 ADV_OVERRUN_BSIZE,
249 /*nsegments*/1,
250 BUS_SPACE_MAXSIZE_32BIT,
251 /*flags*/0,
252 &overrun_dmat) != 0) {
253 adv_free(adv);
254 return (0);
255 }
256 if (bus_dmamem_alloc(overrun_dmat,
257 (void **)&overrun_buf,
258 BUS_DMA_NOWAIT,
259 &overrun_dmamap) != 0) {
260 bus_dma_tag_destroy(overrun_dmat);
261 adv_free(adv);
262 return (0);
263 }
264 /* And permanently map it in */
265 bus_dmamap_load(overrun_dmat, overrun_dmamap,
266 overrun_buf, ADV_OVERRUN_BSIZE,
267 adv_map, &overrun_physbase,
268 /*flags*/0);
269 }
270
271 adv->overrun_physbase = overrun_physbase;
272
273 /*
274 * OK, check to make sure that we're not stepping on
275 * someone else's IRQ or DRQ
276 */
277 if (haveseen_isadev(id, CC_DRQ)) {
278 printf("advisaprobe: Aha card at I/O 0x%x's "
279 "drq %d conflicts, ignoring card.\n",
280 id->id_iobase, id->id_drq);
281 adv_free(adv);
282 return 0;
283 }
284
285 if (adv_init(adv) != 0) {
286 adv_free(adv);
287 return (0);
288 }
289
290 switch (adv->type) {
291 case ADV_ISAPNP:
292 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG){
293 adv->bug_fix_control
294 |= ADV_BUG_FIX_ASYN_USE_SYN;
295 adv->fix_asyn_xfer = ~0;
296 }
297 /* Fall Through */
298 case ADV_ISA:
299 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
300 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
301 adv_set_isa_dma_settings(adv);
302 break;
303
304 case ADV_VL:
305 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
306 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
307 break;
308 default:
309 panic("advisaprobe: Invalid card type\n");
310 }
311
312 /* Determine our IRQ */
313 if (id->id_irq == 0 /* irq ? */)
314 id->id_irq = 1 << adv_get_chip_irq(adv);
315 else
316 adv_set_chip_irq(adv, ffs(id->id_irq) - 1);
317
318 id->id_intr = adv_isa_intr;
319
320 /* Mark as probed */
321 adv_isa_ioports[port_index] = 0;
322 return 1;
323 }
324 }
325
326 return 0;
327}
328
329static int
330advisaattach(struct isa_device *id)
331{
332 struct adv_softc *adv;
333
334 adv = advsoftcs[id->id_unit];
335 return (adv_attach(adv));
336}
337
338static int
339adv_get_isa_dma_channel(struct adv_softc *adv)
340{
341 int channel;
342
343 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
344 if (channel == 0x03)
345 return (0);
346 else if (channel == 0x00)
347 return (7);
348 return (channel + 4);
349}
350
351static int
352adv_set_isa_dma_settings(struct adv_softc *adv)
353{
354 u_int16_t cfg_lsw;
355 u_int8_t value;
356
357 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
358 if (adv->isa_dma_channel == 7)
359 value = 0x00;
360 else
361 value = adv->isa_dma_channel - 4;
362 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
363 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
364 cfg_lsw |= value;
365 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
366
367 adv->isa_dma_speed &= 0x07;
368 adv_set_bank(adv, 1);
369 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
370 adv_set_bank(adv, 0);
371 isa_dmacascade(adv->isa_dma_channel);
372 }
373 return (0);
374}
375
376static void
377adv_set_isapnp_wait_for_key(void)
378{
379 static int isapnp_wait_set = 0;
380 if (isapnp_wait_set == 0) {
381 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
382 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
383 isapnp_wait_set++;
384 }
385 return;
386}
387
388/*
389 * Handle an ISA interrupt.
390 * XXX should go away as soon as ISA interrupt handlers
391 * take a (void *) arg.
392 */
393void
394adv_isa_intr(void *unit)
395{
396 struct adv_softc *arg = advsoftcs[(int)unit];
397 adv_intr((void *)arg);
398}