1 /* $NetBSD: isapnpdebug.c,v 1.12 2009/03/14 15:36:18 dsl Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: isapnpdebug.c,v 1.12 2009/03/14 15:36:18 dsl Exp $");
34
35 #ifdef DEBUG_ISAPNP
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40
41 #include <sys/bus.h>
42
43 #include <dev/isa/isavar.h>
44
45 #include <dev/isapnp/isapnpreg.h>
46 #include <dev/isapnp/isapnpvar.h>
47
48 /* isapnp_print_mem():
49 * Print a memory tag
50 */
51 void
isapnp_print_mem(const char * str,const struct isapnp_region * mem)52 isapnp_print_mem(const char *str, const struct isapnp_region *mem)
53 {
54 printf("%sMemory: %s,%sshadowable,decode-%s,%scacheable,%s", str,
55 (mem->flags & ISAPNP_MEMATTR_ROM) ? "ROM," : "RAM,",
56 (mem->flags & ISAPNP_MEMATTR_SHADOWABLE) ? "" : "non-",
57 (mem->flags & ISAPNP_MEMATTR_HIGH_ADDR) ?
58 "high-addr," : "range-len,",
59 (mem->flags & ISAPNP_MEMATTR_CACHEABLE) ? "" : "non-",
60 (mem->flags & ISAPNP_MEMATTR_WRITABLE) ?
61 "writable," : "read-only,");
62
63 switch (mem->flags & ISAPNP_MEMWIDTH_MASK) {
64 case ISAPNP_MEMWIDTH_8:
65 printf("8-bit ");
66 break;
67 case ISAPNP_MEMWIDTH_16:
68 printf("16-bit ");
69 break;
70 case ISAPNP_MEMWIDTH_8_16:
71 printf("8/16-bit ");
72 break;
73 case ISAPNP_MEMWIDTH_32:
74 printf("32-bit ");
75 break;
76 }
77
78 printf("min 0x%x, max 0x%x, ", mem->minbase, mem->maxbase);
79 printf("align 0x%x, length 0x%x\n", mem->align, mem->length);
80 }
81
82
83 /* isapnp_print_io():
84 * Print an io tag
85 */
86 void
isapnp_print_io(const char * str,const struct isapnp_region * io)87 isapnp_print_io(const char *str, const struct isapnp_region *io)
88 {
89 printf("%d %sIO Ports: %d address bits, alignment %d ",
90 io->length, str, (io->flags & ISAPNP_IOFLAGS_16) ? 16 : 10,
91 io->align);
92
93 printf("min 0x%x, max 0x%x\n", io->minbase, io->maxbase);
94 }
95
96
97 /* isapnp_print_irq():
98 * Print an irq tag
99 */
100 void
isapnp_print_irq(const char * str,const struct isapnp_pin * irq)101 isapnp_print_irq(const char *str, const struct isapnp_pin *irq)
102 {
103 int i;
104
105 printf("%sIRQ's supported: ", str);
106 for (i = 0; i < 16; i++)
107 if (irq->bits & (1 << i))
108 printf("%d ", i);
109
110 if (irq->flags & ISAPNP_IRQTYPE_EDGE_PLUS)
111 printf("E+");
112 if (irq->flags & ISAPNP_IRQTYPE_EDGE_MINUS)
113 printf("E-");
114 if (irq->flags & ISAPNP_IRQTYPE_LEVEL_PLUS)
115 printf("L+");
116 if (irq->flags & ISAPNP_IRQTYPE_LEVEL_MINUS)
117 printf("L-");
118 printf("\n");
119 }
120
121 /* isapnp_print_drq():
122 * Print a drq tag
123 */
124 void
isapnp_print_drq(const char * str,const struct isapnp_pin * drq)125 isapnp_print_drq(const char *str, const struct isapnp_pin *drq)
126 {
127 int i;
128 u_char flags = drq->flags;
129
130 printf("%sDRQ's supported: ", str);
131 for (i = 0; i < 8; i++)
132 if (drq->bits & (1 << i))
133 printf("%d ", i);
134
135 printf("Width: ");
136 switch (flags & ISAPNP_DMAWIDTH_MASK) {
137 case ISAPNP_DMAWIDTH_8:
138 printf("8-bit ");
139 break;
140 case ISAPNP_DMAWIDTH_8_16:
141 printf("8/16-bit ");
142 break;
143 case ISAPNP_DMAWIDTH_16:
144 printf("16-bit ");
145 break;
146 case ISAPNP_DMAWIDTH_RESERVED:
147 printf("Reserved ");
148 break;
149 }
150
151 printf("Speed: ");
152 switch (flags & ISAPNP_DMASPEED_MASK) {
153 case ISAPNP_DMASPEED_COMPAT:
154 printf("compat ");
155 break;
156 case ISAPNP_DMASPEED_A:
157 printf("A ");
158 break;
159 case ISAPNP_DMASPEED_B:
160 printf("B ");
161 break;
162 case ISAPNP_DMASPEED_F:
163 printf("F ");
164 break;
165 }
166
167 if (flags & ISAPNP_DMAATTR_MASK)
168 printf("Attributes: %s%s%s",
169 (flags & ISAPNP_DMAATTR_BUS_MASTER) ? "bus master " : "",
170 (flags & ISAPNP_DMAATTR_INCR_8) ? "incr 8 " : "",
171 (flags & ISAPNP_DMAATTR_INCR_16) ? "incr 16 " : "");
172 printf("\n");
173 }
174
175
176 /* isapnp_print_dep_start():
177 * Print a start dependencies tag
178 */
179 void
isapnp_print_dep_start(const char * str,const u_char pref)180 isapnp_print_dep_start(const char *str, const u_char pref)
181 {
182
183 printf("%sconfig: ", str);
184 switch (pref) {
185 case ISAPNP_DEP_PREFERRED:
186 printf("preferred\n");
187 break;
188
189 case ISAPNP_DEP_ACCEPTABLE:
190 printf("acceptable\n");
191 break;
192
193 case ISAPNP_DEP_FUNCTIONAL:
194 printf("functional\n");
195 break;
196
197 case ISAPNP_DEP_UNSET: /* Used internally */
198 printf("unset\n");
199 break;
200
201 case ISAPNP_DEP_CONFLICTING: /* Used internally */
202 printf("conflicting\n");
203 break;
204
205 default:
206 printf("invalid\n");
207 break;
208 }
209 }
210
211 void
isapnp_print_attach(const struct isapnp_attach_args * pa)212 isapnp_print_attach(const struct isapnp_attach_args *pa)
213 {
214 int i;
215
216 printf("Found <%s, %s, %s, %s> ", pa->ipa_devident,
217 pa->ipa_devlogic, pa->ipa_devcompat, pa->ipa_devclass);
218 isapnp_print_dep_start("", pa->ipa_pref);
219
220 for (i = 0; i < pa->ipa_nio; i++)
221 isapnp_print_io("", &pa->ipa_io[i]);
222
223 for (i = 0; i < pa->ipa_nmem; i++)
224 isapnp_print_mem("", &pa->ipa_mem[i]);
225
226 for (i = 0; i < pa->ipa_nirq; i++)
227 isapnp_print_irq("", &pa->ipa_irq[i]);
228
229 for (i = 0; i < pa->ipa_ndrq; i++)
230 isapnp_print_drq("", &pa->ipa_drq[i]);
231
232 for (i = 0; i < pa->ipa_nmem32; i++)
233 isapnp_print_mem("", &pa->ipa_mem32[i]);
234 }
235
236
237 /* isapnp_get_config():
238 * Get the current configuration of the card
239 */
240 void
isapnp_get_config(struct isapnp_softc * sc,struct isapnp_attach_args * pa)241 isapnp_get_config(struct isapnp_softc *sc, struct isapnp_attach_args *pa)
242 {
243 int i;
244 u_char v0, v1, v2, v3;
245 static u_char isapnp_mem_range[] = ISAPNP_MEM_DESC;
246 static u_char isapnp_io_range[] = ISAPNP_IO_DESC;
247 static u_char isapnp_irq_range[] = ISAPNP_IRQ_DESC;
248 static u_char isapnp_drq_range[] = ISAPNP_DRQ_DESC;
249 static u_char isapnp_mem32_range[] = ISAPNP_MEM32_DESC;
250 struct isapnp_region *r;
251 struct isapnp_pin *p;
252
253 memset(pa, 0, sizeof(*pa));
254
255 for (i = 0; i < sizeof(isapnp_io_range); i++) {
256 r = &pa->ipa_io[i];
257 v0 = isapnp_read_reg(sc,
258 isapnp_io_range[i] + ISAPNP_IO_BASE_15_8);
259 v1 = isapnp_read_reg(sc,
260 isapnp_io_range[i] + ISAPNP_IO_BASE_7_0);
261 r->base = (v0 << 8) | v1;
262 if (r->base == 0)
263 break;
264 }
265 pa->ipa_nio = i;
266
267 for (i = 0; i < sizeof(isapnp_mem_range); i++) {
268 r = &pa->ipa_mem[i];
269 v0 = isapnp_read_reg(sc,
270 isapnp_mem_range[i] + ISAPNP_MEM_BASE_23_16);
271 v1 = isapnp_read_reg(sc,
272 isapnp_mem_range[i] + ISAPNP_MEM_BASE_15_8);
273 r->base = (v0 << 16) | (v1 << 8);
274 if (r->base == 0)
275 break;
276
277 v0 = isapnp_read_reg(sc,
278 isapnp_mem_range[i] + ISAPNP_MEM_LRANGE_23_16);
279 v1 = isapnp_read_reg(sc,
280 isapnp_mem_range[i] + ISAPNP_MEM_LRANGE_15_8);
281 r->length = (v0 << 16) | (v1 << 8);
282 v0 = isapnp_read_reg(sc,
283 isapnp_mem_range[i] + ISAPNP_MEM_CONTROL);
284 r->flags = 0;
285 if (v0 & ISAPNP_MEM_CONTROL_LIMIT)
286 r->flags |= ISAPNP_MEMATTR_HIGH_ADDR;
287 if (v0 & ISAPNP_MEM_CONTROL_16)
288 r->flags |= ISAPNP_MEMWIDTH_16;
289 }
290 pa->ipa_nmem = i;
291
292 for (i = 0; i < sizeof(isapnp_irq_range); i++) {
293 v0 = isapnp_read_reg(sc,
294 isapnp_irq_range[i] + ISAPNP_IRQ_NUMBER);
295 p = &pa->ipa_irq[i];
296 p->num = v0 & 0xf;
297 if (p->num == 0)
298 break;
299
300 switch (v0 & (ISAPNP_IRQ_LEVEL|ISAPNP_IRQ_HIGH)) {
301 case ISAPNP_IRQ_LEVEL|ISAPNP_IRQ_HIGH:
302 p->flags = ISAPNP_IRQTYPE_LEVEL_PLUS;
303 break;
304 case ISAPNP_IRQ_HIGH:
305 p->flags = ISAPNP_IRQTYPE_EDGE_PLUS;
306 break;
307 case ISAPNP_IRQ_LEVEL:
308 p->flags = ISAPNP_IRQTYPE_LEVEL_MINUS;
309 break;
310 default:
311 p->flags = ISAPNP_IRQTYPE_EDGE_MINUS;
312 break;
313 }
314 }
315 pa->ipa_nirq = i;
316
317 for (i = 0; i < sizeof(isapnp_drq_range); i++) {
318 v0 = isapnp_read_reg(sc, isapnp_drq_range[i]);
319 p = &pa->ipa_drq[i];
320 p->num = v0 & 0xf;
321 if (p->num == 4)
322 break;
323 }
324 pa->ipa_ndrq = i;
325
326 for (i = 0; i < sizeof(isapnp_mem32_range); i++) {
327 r = &pa->ipa_mem32[i];
328 v0 = isapnp_read_reg(sc,
329 isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_31_24);
330 v1 = isapnp_read_reg(sc,
331 isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_23_16);
332 v2 = isapnp_read_reg(sc,
333 isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_15_8);
334 v3 = isapnp_read_reg(sc,
335 isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_7_0);
336 r->base = (v0 << 24) | (v1 << 16) | (v2 << 8) | v3;
337 if (r->base == 0)
338 break;
339
340 v0 = isapnp_read_reg(sc,
341 isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_31_24);
342 v1 = isapnp_read_reg(sc,
343 isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_23_16);
344 v2 = isapnp_read_reg(sc,
345 isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_15_8);
346 v3 = isapnp_read_reg(sc,
347 isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_7_0);
348 r->length = (v0 << 24) | (v1 << 16) | (v2 << 8) | v3;
349 v0 = isapnp_read_reg(sc,
350 isapnp_mem_range[i] + ISAPNP_MEM_CONTROL);
351 r->flags = v0;
352 }
353 pa->ipa_nmem32 = i;
354 }
355
356
357 /* isapnp_print_config():
358 * Print the current configuration of the card
359 */
360 void
isapnp_print_config(const struct isapnp_attach_args * pa)361 isapnp_print_config(const struct isapnp_attach_args *pa)
362 {
363 int i;
364 const struct isapnp_region *r;
365 const struct isapnp_pin *p;
366
367 printf("Register configuration:\n");
368 if (pa->ipa_nio)
369 for (i = 0; i < pa->ipa_nio; i++) {
370 r = &pa->ipa_io[i];
371 printf("io[%d]: 0x%x/%d\n", i, r->base, r->length);
372 }
373
374 if (pa->ipa_nmem)
375 for (i = 0; i < pa->ipa_nmem; i++) {
376 r = &pa->ipa_mem[i];
377 printf("mem[%d]: 0x%x/%d\n", i, r->base, r->length);
378 }
379
380 if (pa->ipa_nirq)
381 for (i = 0; i < pa->ipa_nirq; i++) {
382 p = &pa->ipa_irq[i];
383 printf("irq[%d]: %d\n", i, p->num);
384 }
385
386 if (pa->ipa_ndrq)
387 for (i = 0; i < pa->ipa_ndrq; i++) {
388 p = &pa->ipa_drq[i];
389 printf("drq[%d]: %d\n", i, p->num);
390 }
391
392 if (pa->ipa_nmem32)
393 for (i = 0; i < pa->ipa_nmem32; i++) {
394 r = &pa->ipa_mem32[i];
395 printf("mem32[%d]: 0x%x/%d\n", i, r->base, r->length);
396 }
397 }
398
399 #endif
400