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NetBSD/sys/dev/isapnp/isapnpdebug.c

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/* $NetBSD: isapnpdebug.c,v 1.12 2009/03/14 15:36:18 dsl Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isapnpdebug.c,v 1.12 2009/03/14 15:36:18 dsl Exp $");
#ifdef DEBUG_ISAPNP
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <dev/isa/isavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
/* isapnp_print_mem():
* Print a memory tag
*/
void
isapnp_print_mem(const char *str, const struct isapnp_region *mem)
{
printf("%sMemory: %s,%sshadowable,decode-%s,%scacheable,%s", str,
(mem->flags & ISAPNP_MEMATTR_ROM) ? "ROM," : "RAM,",
(mem->flags & ISAPNP_MEMATTR_SHADOWABLE) ? "" : "non-",
(mem->flags & ISAPNP_MEMATTR_HIGH_ADDR) ?
"high-addr," : "range-len,",
(mem->flags & ISAPNP_MEMATTR_CACHEABLE) ? "" : "non-",
(mem->flags & ISAPNP_MEMATTR_WRITABLE) ?
"writable," : "read-only,");
switch (mem->flags & ISAPNP_MEMWIDTH_MASK) {
case ISAPNP_MEMWIDTH_8:
printf("8-bit ");
break;
case ISAPNP_MEMWIDTH_16:
printf("16-bit ");
break;
case ISAPNP_MEMWIDTH_8_16:
printf("8/16-bit ");
break;
case ISAPNP_MEMWIDTH_32:
printf("32-bit ");
break;
}
printf("min 0x%x, max 0x%x, ", mem->minbase, mem->maxbase);
printf("align 0x%x, length 0x%x\n", mem->align, mem->length);
}
/* isapnp_print_io():
* Print an io tag
*/
void
isapnp_print_io(const char *str, const struct isapnp_region *io)
{
printf("%d %sIO Ports: %d address bits, alignment %d ",
io->length, str, (io->flags & ISAPNP_IOFLAGS_16) ? 16 : 10,
io->align);
printf("min 0x%x, max 0x%x\n", io->minbase, io->maxbase);
}
/* isapnp_print_irq():
* Print an irq tag
*/
void
isapnp_print_irq(const char *str, const struct isapnp_pin *irq)
{
int i;
printf("%sIRQ's supported: ", str);
for (i = 0; i < 16; i++)
if (irq->bits & (1 << i))
printf("%d ", i);
if (irq->flags & ISAPNP_IRQTYPE_EDGE_PLUS)
printf("E+");
if (irq->flags & ISAPNP_IRQTYPE_EDGE_MINUS)
printf("E-");
if (irq->flags & ISAPNP_IRQTYPE_LEVEL_PLUS)
printf("L+");
if (irq->flags & ISAPNP_IRQTYPE_LEVEL_MINUS)
printf("L-");
printf("\n");
}
/* isapnp_print_drq():
* Print a drq tag
*/
void
isapnp_print_drq(const char *str, const struct isapnp_pin *drq)
{
int i;
u_char flags = drq->flags;
printf("%sDRQ's supported: ", str);
for (i = 0; i < 8; i++)
if (drq->bits & (1 << i))
printf("%d ", i);
printf("Width: ");
switch (flags & ISAPNP_DMAWIDTH_MASK) {
case ISAPNP_DMAWIDTH_8:
printf("8-bit ");
break;
case ISAPNP_DMAWIDTH_8_16:
printf("8/16-bit ");
break;
case ISAPNP_DMAWIDTH_16:
printf("16-bit ");
break;
case ISAPNP_DMAWIDTH_RESERVED:
printf("Reserved ");
break;
}
printf("Speed: ");
switch (flags & ISAPNP_DMASPEED_MASK) {
case ISAPNP_DMASPEED_COMPAT:
printf("compat ");
break;
case ISAPNP_DMASPEED_A:
printf("A ");
break;
case ISAPNP_DMASPEED_B:
printf("B ");
break;
case ISAPNP_DMASPEED_F:
printf("F ");
break;
}
if (flags & ISAPNP_DMAATTR_MASK)
printf("Attributes: %s%s%s",
(flags & ISAPNP_DMAATTR_BUS_MASTER) ? "bus master " : "",
(flags & ISAPNP_DMAATTR_INCR_8) ? "incr 8 " : "",
(flags & ISAPNP_DMAATTR_INCR_16) ? "incr 16 " : "");
printf("\n");
}
/* isapnp_print_dep_start():
* Print a start dependencies tag
*/
void
isapnp_print_dep_start(const char *str, const u_char pref)
{
printf("%sconfig: ", str);
switch (pref) {
case ISAPNP_DEP_PREFERRED:
printf("preferred\n");
break;
case ISAPNP_DEP_ACCEPTABLE:
printf("acceptable\n");
break;
case ISAPNP_DEP_FUNCTIONAL:
printf("functional\n");
break;
case ISAPNP_DEP_UNSET: /* Used internally */
printf("unset\n");
break;
case ISAPNP_DEP_CONFLICTING: /* Used internally */
printf("conflicting\n");
break;
default:
printf("invalid\n");
break;
}
}
void
isapnp_print_attach(const struct isapnp_attach_args *pa)
{
int i;
printf("Found <%s, %s, %s, %s> ", pa->ipa_devident,
pa->ipa_devlogic, pa->ipa_devcompat, pa->ipa_devclass);
isapnp_print_dep_start("", pa->ipa_pref);
for (i = 0; i < pa->ipa_nio; i++)
isapnp_print_io("", &pa->ipa_io[i]);
for (i = 0; i < pa->ipa_nmem; i++)
isapnp_print_mem("", &pa->ipa_mem[i]);
for (i = 0; i < pa->ipa_nirq; i++)
isapnp_print_irq("", &pa->ipa_irq[i]);
for (i = 0; i < pa->ipa_ndrq; i++)
isapnp_print_drq("", &pa->ipa_drq[i]);
for (i = 0; i < pa->ipa_nmem32; i++)
isapnp_print_mem("", &pa->ipa_mem32[i]);
}
/* isapnp_get_config():
* Get the current configuration of the card
*/
void
isapnp_get_config(struct isapnp_softc *sc, struct isapnp_attach_args *pa)
{
int i;
u_char v0, v1, v2, v3;
static u_char isapnp_mem_range[] = ISAPNP_MEM_DESC;
static u_char isapnp_io_range[] = ISAPNP_IO_DESC;
static u_char isapnp_irq_range[] = ISAPNP_IRQ_DESC;
static u_char isapnp_drq_range[] = ISAPNP_DRQ_DESC;
static u_char isapnp_mem32_range[] = ISAPNP_MEM32_DESC;
struct isapnp_region *r;
struct isapnp_pin *p;
memset(pa, 0, sizeof(*pa));
for (i = 0; i < sizeof(isapnp_io_range); i++) {
r = &pa->ipa_io[i];
v0 = isapnp_read_reg(sc,
isapnp_io_range[i] + ISAPNP_IO_BASE_15_8);
v1 = isapnp_read_reg(sc,
isapnp_io_range[i] + ISAPNP_IO_BASE_7_0);
r->base = (v0 << 8) | v1;
if (r->base == 0)
break;
}
pa->ipa_nio = i;
for (i = 0; i < sizeof(isapnp_mem_range); i++) {
r = &pa->ipa_mem[i];
v0 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_BASE_23_16);
v1 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_BASE_15_8);
r->base = (v0 << 16) | (v1 << 8);
if (r->base == 0)
break;
v0 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_LRANGE_23_16);
v1 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_LRANGE_15_8);
r->length = (v0 << 16) | (v1 << 8);
v0 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_CONTROL);
r->flags = 0;
if (v0 & ISAPNP_MEM_CONTROL_LIMIT)
r->flags |= ISAPNP_MEMATTR_HIGH_ADDR;
if (v0 & ISAPNP_MEM_CONTROL_16)
r->flags |= ISAPNP_MEMWIDTH_16;
}
pa->ipa_nmem = i;
for (i = 0; i < sizeof(isapnp_irq_range); i++) {
v0 = isapnp_read_reg(sc,
isapnp_irq_range[i] + ISAPNP_IRQ_NUMBER);
p = &pa->ipa_irq[i];
p->num = v0 & 0xf;
if (p->num == 0)
break;
switch (v0 & (ISAPNP_IRQ_LEVEL|ISAPNP_IRQ_HIGH)) {
case ISAPNP_IRQ_LEVEL|ISAPNP_IRQ_HIGH:
p->flags = ISAPNP_IRQTYPE_LEVEL_PLUS;
break;
case ISAPNP_IRQ_HIGH:
p->flags = ISAPNP_IRQTYPE_EDGE_PLUS;
break;
case ISAPNP_IRQ_LEVEL:
p->flags = ISAPNP_IRQTYPE_LEVEL_MINUS;
break;
default:
p->flags = ISAPNP_IRQTYPE_EDGE_MINUS;
break;
}
}
pa->ipa_nirq = i;
for (i = 0; i < sizeof(isapnp_drq_range); i++) {
v0 = isapnp_read_reg(sc, isapnp_drq_range[i]);
p = &pa->ipa_drq[i];
p->num = v0 & 0xf;
if (p->num == 4)
break;
}
pa->ipa_ndrq = i;
for (i = 0; i < sizeof(isapnp_mem32_range); i++) {
r = &pa->ipa_mem32[i];
v0 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_31_24);
v1 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_23_16);
v2 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_15_8);
v3 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_BASE_7_0);
r->base = (v0 << 24) | (v1 << 16) | (v2 << 8) | v3;
if (r->base == 0)
break;
v0 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_31_24);
v1 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_23_16);
v2 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_15_8);
v3 = isapnp_read_reg(sc,
isapnp_mem32_range[i] + ISAPNP_MEM32_LRANGE_7_0);
r->length = (v0 << 24) | (v1 << 16) | (v2 << 8) | v3;
v0 = isapnp_read_reg(sc,
isapnp_mem_range[i] + ISAPNP_MEM_CONTROL);
r->flags = v0;
}
pa->ipa_nmem32 = i;
}
/* isapnp_print_config():
* Print the current configuration of the card
*/
void
isapnp_print_config(const struct isapnp_attach_args *pa)
{
int i;
const struct isapnp_region *r;
const struct isapnp_pin *p;
printf("Register configuration:\n");
if (pa->ipa_nio)
for (i = 0; i < pa->ipa_nio; i++) {
r = &pa->ipa_io[i];
printf("io[%d]: 0x%x/%d\n", i, r->base, r->length);
}
if (pa->ipa_nmem)
for (i = 0; i < pa->ipa_nmem; i++) {
r = &pa->ipa_mem[i];
printf("mem[%d]: 0x%x/%d\n", i, r->base, r->length);
}
if (pa->ipa_nirq)
for (i = 0; i < pa->ipa_nirq; i++) {
p = &pa->ipa_irq[i];
printf("irq[%d]: %d\n", i, p->num);
}
if (pa->ipa_ndrq)
for (i = 0; i < pa->ipa_ndrq; i++) {
p = &pa->ipa_drq[i];
printf("drq[%d]: %d\n", i, p->num);
}
if (pa->ipa_nmem32)
for (i = 0; i < pa->ipa_nmem32; i++) {
r = &pa->ipa_mem32[i];
printf("mem32[%d]: 0x%x/%d\n", i, r->base, r->length);
}
}
#endif
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