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 1.3 1997/02/22 09:35:51 peter 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 if (adv_find_signature(I386_BUS_SPACE_IO, port_addr)) {
153 /*
154 * Got one. Now allocate our softc
155 * and see if we can initialize the card.
156 */
157 struct adv_softc *adv;
158 adv = adv_alloc(id->id_unit, I386_BUS_SPACE_IO,
159 port_addr);
160 if (adv == NULL)
161 return (0);
162
163 adv_unit++;
164
165 id->id_iobase = adv->bsh;
166
167 /*
168 * Stop the chip.
169 */
170 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
171 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
172 /*
173 * Determine the chip version.
174 */
175 adv->chip_version = ADV_INB(adv,
176 ADV_NONEISA_CHIP_REVISION);
177 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
178 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
179 adv->type = ADV_VL;
180 maxsegsz = ADV_VL_MAX_DMA_COUNT;
181 maxsize = BUS_SPACE_MAXSIZE_32BIT;
182 lowaddr = ADV_VL_MAX_DMA_ADDR;
183 id->id_drq = -1;
184 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
185 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
186 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
187 adv->type = ADV_ISAPNP;
188 ADV_OUTB(adv, ADV_REG_IFC,
189 ADV_IFC_INIT_DEFAULT);
190 } else {
191 adv->type = ADV_ISA;
192 }
193 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
194 maxsize = BUS_SPACE_MAXSIZE_24BIT;
195 lowaddr = ADV_ISA_MAX_DMA_ADDR;
196 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
197 adv->isa_dma_channel =
198 adv_get_isa_dma_channel(adv);
199 id->id_drq = adv->isa_dma_channel;
200 } else {
201 panic("advisaprobe: Unknown card revision\n");
202 }
203
204 /*
205 * Allocate a parent dmatag for all tags created
206 * by the MI portions of the advansys driver
207 */
208 /* XXX Should be a child of the ISA bus dma tag */
209 error =
210 bus_dma_tag_create(/*parent*/NULL,
211 /*alignemnt*/0,
212 /*boundary*/0,
213 lowaddr,
214 /*highaddr*/BUS_SPACE_MAXADDR,
215 /*filter*/NULL,
216 /*filterarg*/NULL,
217 maxsize,
218 /*nsegs*/BUS_SPACE_UNRESTRICTED,
219 maxsegsz,
220 /*flags*/0,
221 &adv->parent_dmat);
222
223 if (error != 0) {
224 printf("%s: Could not allocate DMA tag - error %d\n",
225 adv_name(adv), error);
226 adv_free(adv);
227 return (0);
228 }
229
230 adv->init_level++;
231
232 if (overrun_buf == NULL) {
233 /* Need to allocate our overrun buffer */
234 if (bus_dma_tag_create(adv->parent_dmat,
235 /*alignment*/8,
236 /*boundary*/0,
237 ADV_ISA_MAX_DMA_ADDR,
238 BUS_SPACE_MAXADDR,
239 /*filter*/NULL,
240 /*filterarg*/NULL,
241 ADV_OVERRUN_BSIZE,
242 /*nsegments*/1,
243 BUS_SPACE_MAXSIZE_32BIT,
244 /*flags*/0,
245 &overrun_dmat) != 0) {
246 adv_free(adv);
247 return (0);
248 }
249 if (bus_dmamem_alloc(overrun_dmat,
250 (void **)&overrun_buf,
251 BUS_DMA_NOWAIT,
252 &overrun_dmamap) != 0) {
253 bus_dma_tag_destroy(overrun_dmat);
254 adv_free(adv);
255 return (0);
256 }
257 /* And permanently map it in */
258 bus_dmamap_load(overrun_dmat, overrun_dmamap,
259 overrun_buf, ADV_OVERRUN_BSIZE,
260 adv_map, &overrun_physbase,
261 /*flags*/0);
262 }
263
264 adv->overrun_physbase = overrun_physbase;
265
266 if (adv_init(adv) != 0) {
267 adv_free(adv);
268 return (0);
269 }
270
271 switch (adv->type) {
272 case ADV_ISAPNP:
273 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG){
274 adv->bug_fix_control
275 |= ADV_BUG_FIX_ASYN_USE_SYN;
276 adv->fix_asyn_xfer = ~0;
277 }
278 /* Fall Through */
279 case ADV_ISA:
280 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
281 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
282 adv_set_isa_dma_settings(adv);
283 break;
284
285 case ADV_VL:
286 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
287 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
288 break;
289 default:
290 panic("advisaprobe: Invalid card type\n");
291 }
292
293 /* Determine our IRQ */
294 if (id->id_irq == 0 /* irq ? */)
295 id->id_irq = 1 << adv_get_chip_irq(adv);
296 else
297 adv_set_chip_irq(adv, ffs(id->id_irq) - 1);
298 id->id_intr = adv_isa_intr;
299
300 /* Mark as probed */
301 adv_isa_ioports[port_index] = 0;
302 return 1;
303 }
304 }
305
306 return 0;
307}
308
309static int
310advisaattach(struct isa_device *id)
311{
312 struct adv_softc *adv;
313
314 adv = advsoftcs[id->id_unit];
315 return (adv_attach(adv));
316}
317
318static int
319adv_get_isa_dma_channel(struct adv_softc *adv)
320{
321 int channel;
322
323 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
324 if (channel == 0x03)
325 return (0);
326 else if (channel == 0x00)
327 return (7);
328 return (channel + 4);
329}
330
331static int
332adv_set_isa_dma_settings(struct adv_softc *adv)
333{
334 u_int16_t cfg_lsw;
335 u_int8_t value;
336
337 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
338 if (adv->isa_dma_channel == 7)
339 value = 0x00;
340 else
341 value = adv->isa_dma_channel - 4;
342 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
343 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
344 cfg_lsw |= value;
345 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
346
347 adv->isa_dma_speed &= 0x07;
348 adv_set_bank(adv, 1);
349 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
350 adv_set_bank(adv, 0);
351 isa_dmacascade(adv->isa_dma_channel);
352 }
353 return (0);
354}
355
356static void
357adv_set_isapnp_wait_for_key(void)
358{
359 static int isapnp_wait_set = 0;
360 if (isapnp_wait_set == 0) {
361 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
362 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
363 isapnp_wait_set++;
364 }
365 return;
366}
367
368/*
369 * Handle an ISA interrupt.
370 * XXX should go away as soon as ISA interrupt handlers
371 * take a (void *) arg.
372 */
373void
374adv_isa_intr(void *unit)
375{
376 struct adv_softc *arg = advsoftcs[(int)unit];
377 adv_intr((void *)arg);
378}
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 1.3 1997/02/22 09:35:51 peter 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 if (adv_find_signature(I386_BUS_SPACE_IO, port_addr)) {
153 /*
154 * Got one. Now allocate our softc
155 * and see if we can initialize the card.
156 */
157 struct adv_softc *adv;
158 adv = adv_alloc(id->id_unit, I386_BUS_SPACE_IO,
159 port_addr);
160 if (adv == NULL)
161 return (0);
162
163 adv_unit++;
164
165 id->id_iobase = adv->bsh;
166
167 /*
168 * Stop the chip.
169 */
170 ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT);
171 ADV_OUTW(adv, ADV_CHIP_STATUS, 0);
172 /*
173 * Determine the chip version.
174 */
175 adv->chip_version = ADV_INB(adv,
176 ADV_NONEISA_CHIP_REVISION);
177 if ((adv->chip_version >= ADV_CHIP_MIN_VER_VL)
178 && (adv->chip_version <= ADV_CHIP_MAX_VER_VL)) {
179 adv->type = ADV_VL;
180 maxsegsz = ADV_VL_MAX_DMA_COUNT;
181 maxsize = BUS_SPACE_MAXSIZE_32BIT;
182 lowaddr = ADV_VL_MAX_DMA_ADDR;
183 id->id_drq = -1;
184 } else if ((adv->chip_version >= ADV_CHIP_MIN_VER_ISA)
185 && (adv->chip_version <= ADV_CHIP_MAX_VER_ISA)) {
186 if (adv->chip_version >= ADV_CHIP_MIN_VER_ISA_PNP) {
187 adv->type = ADV_ISAPNP;
188 ADV_OUTB(adv, ADV_REG_IFC,
189 ADV_IFC_INIT_DEFAULT);
190 } else {
191 adv->type = ADV_ISA;
192 }
193 maxsegsz = ADV_ISA_MAX_DMA_COUNT;
194 maxsize = BUS_SPACE_MAXSIZE_24BIT;
195 lowaddr = ADV_ISA_MAX_DMA_ADDR;
196 adv->isa_dma_speed = ADV_DEF_ISA_DMA_SPEED;
197 adv->isa_dma_channel =
198 adv_get_isa_dma_channel(adv);
199 id->id_drq = adv->isa_dma_channel;
200 } else {
201 panic("advisaprobe: Unknown card revision\n");
202 }
203
204 /*
205 * Allocate a parent dmatag for all tags created
206 * by the MI portions of the advansys driver
207 */
208 /* XXX Should be a child of the ISA bus dma tag */
209 error =
210 bus_dma_tag_create(/*parent*/NULL,
211 /*alignemnt*/0,
212 /*boundary*/0,
213 lowaddr,
214 /*highaddr*/BUS_SPACE_MAXADDR,
215 /*filter*/NULL,
216 /*filterarg*/NULL,
217 maxsize,
218 /*nsegs*/BUS_SPACE_UNRESTRICTED,
219 maxsegsz,
220 /*flags*/0,
221 &adv->parent_dmat);
222
223 if (error != 0) {
224 printf("%s: Could not allocate DMA tag - error %d\n",
225 adv_name(adv), error);
226 adv_free(adv);
227 return (0);
228 }
229
230 adv->init_level++;
231
232 if (overrun_buf == NULL) {
233 /* Need to allocate our overrun buffer */
234 if (bus_dma_tag_create(adv->parent_dmat,
235 /*alignment*/8,
236 /*boundary*/0,
237 ADV_ISA_MAX_DMA_ADDR,
238 BUS_SPACE_MAXADDR,
239 /*filter*/NULL,
240 /*filterarg*/NULL,
241 ADV_OVERRUN_BSIZE,
242 /*nsegments*/1,
243 BUS_SPACE_MAXSIZE_32BIT,
244 /*flags*/0,
245 &overrun_dmat) != 0) {
246 adv_free(adv);
247 return (0);
248 }
249 if (bus_dmamem_alloc(overrun_dmat,
250 (void **)&overrun_buf,
251 BUS_DMA_NOWAIT,
252 &overrun_dmamap) != 0) {
253 bus_dma_tag_destroy(overrun_dmat);
254 adv_free(adv);
255 return (0);
256 }
257 /* And permanently map it in */
258 bus_dmamap_load(overrun_dmat, overrun_dmamap,
259 overrun_buf, ADV_OVERRUN_BSIZE,
260 adv_map, &overrun_physbase,
261 /*flags*/0);
262 }
263
264 adv->overrun_physbase = overrun_physbase;
265
266 if (adv_init(adv) != 0) {
267 adv_free(adv);
268 return (0);
269 }
270
271 switch (adv->type) {
272 case ADV_ISAPNP:
273 if (adv->chip_version == ADV_CHIP_VER_ASYN_BUG){
274 adv->bug_fix_control
275 |= ADV_BUG_FIX_ASYN_USE_SYN;
276 adv->fix_asyn_xfer = ~0;
277 }
278 /* Fall Through */
279 case ADV_ISA:
280 adv->max_dma_count = ADV_ISA_MAX_DMA_COUNT;
281 adv->max_dma_addr = ADV_ISA_MAX_DMA_ADDR;
282 adv_set_isa_dma_settings(adv);
283 break;
284
285 case ADV_VL:
286 adv->max_dma_count = ADV_VL_MAX_DMA_COUNT;
287 adv->max_dma_addr = ADV_VL_MAX_DMA_ADDR;
288 break;
289 default:
290 panic("advisaprobe: Invalid card type\n");
291 }
292
293 /* Determine our IRQ */
294 if (id->id_irq == 0 /* irq ? */)
295 id->id_irq = 1 << adv_get_chip_irq(adv);
296 else
297 adv_set_chip_irq(adv, ffs(id->id_irq) - 1);
298 id->id_intr = adv_isa_intr;
299
300 /* Mark as probed */
301 adv_isa_ioports[port_index] = 0;
302 return 1;
303 }
304 }
305
306 return 0;
307}
308
309static int
310advisaattach(struct isa_device *id)
311{
312 struct adv_softc *adv;
313
314 adv = advsoftcs[id->id_unit];
315 return (adv_attach(adv));
316}
317
318static int
319adv_get_isa_dma_channel(struct adv_softc *adv)
320{
321 int channel;
322
323 channel = ADV_INW(adv, ADV_CONFIG_LSW) & ADV_CFG_LSW_ISA_DMA_CHANNEL;
324 if (channel == 0x03)
325 return (0);
326 else if (channel == 0x00)
327 return (7);
328 return (channel + 4);
329}
330
331static int
332adv_set_isa_dma_settings(struct adv_softc *adv)
333{
334 u_int16_t cfg_lsw;
335 u_int8_t value;
336
337 if ((adv->isa_dma_channel >= 5) && (adv->isa_dma_channel <= 7)) {
338 if (adv->isa_dma_channel == 7)
339 value = 0x00;
340 else
341 value = adv->isa_dma_channel - 4;
342 cfg_lsw = ADV_INW(adv, ADV_CONFIG_LSW)
343 & ~ADV_CFG_LSW_ISA_DMA_CHANNEL;
344 cfg_lsw |= value;
345 ADV_OUTW(adv, ADV_CONFIG_LSW, cfg_lsw);
346
347 adv->isa_dma_speed &= 0x07;
348 adv_set_bank(adv, 1);
349 ADV_OUTB(adv, ADV_DMA_SPEED, adv->isa_dma_speed);
350 adv_set_bank(adv, 0);
351 isa_dmacascade(adv->isa_dma_channel);
352 }
353 return (0);
354}
355
356static void
357adv_set_isapnp_wait_for_key(void)
358{
359 static int isapnp_wait_set = 0;
360 if (isapnp_wait_set == 0) {
361 outb(ADV_ISA_PNP_PORT_ADDR, 0x02);
362 outb(ADV_ISA_PNP_PORT_WRITE, 0x02);
363 isapnp_wait_set++;
364 }
365 return;
366}
367
368/*
369 * Handle an ISA interrupt.
370 * XXX should go away as soon as ISA interrupt handlers
371 * take a (void *) arg.
372 */
373void
374adv_isa_intr(void *unit)
375{
376 struct adv_softc *arg = advsoftcs[(int)unit];
377 adv_intr((void *)arg);
378}