diff options
Diffstat (limited to 'sys/i386/eisa/eisaconf.c')
-rw-r--r-- | sys/i386/eisa/eisaconf.c | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/sys/i386/eisa/eisaconf.c b/sys/i386/eisa/eisaconf.c deleted file mode 100644 index 59f553a1170f..000000000000 --- a/sys/i386/eisa/eisaconf.c +++ /dev/null @@ -1,626 +0,0 @@ -/* - * EISA bus probe and attach routines - * - * Copyright (c) 1995, 1996 Justin T. Gibbs. - * All rights reserved. - * - * 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 immediately at the beginning of the file, without modification, - * 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. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $FreeBSD$ - */ - -#include "opt_eisa.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/queue.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/bus.h> - -#include <machine/limits.h> -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/rman.h> - -#include <i386/eisa/eisaconf.h> - -typedef struct resvaddr { - u_long addr; /* start address */ - u_long size; /* size of reserved area */ - int flags; - struct resource *res; /* resource manager handle */ - LIST_ENTRY(resvaddr) links; /* List links */ -} resvaddr_t; - -LIST_HEAD(resvlist, resvaddr); - -struct irq_node { - int irq_no; - int irq_trigger; - void *idesc; - TAILQ_ENTRY(irq_node) links; -}; - -TAILQ_HEAD(irqlist, irq_node); - -struct eisa_ioconf { - int slot; - struct resvlist ioaddrs; /* list of reserved I/O ranges */ - struct resvlist maddrs; /* list of reserved memory ranges */ - struct irqlist irqs; /* list of reserved irqs */ -}; - -/* To be replaced by the "super device" generic device structure... */ -struct eisa_device { - eisa_id_t id; - struct eisa_ioconf ioconf; -}; - - -/* Global variable, so UserConfig can change it. */ -#define MAX_COL 79 -#ifndef EISA_SLOTS -#define EISA_SLOTS 10 /* PCI clashes with higher ones.. fix later */ -#endif -int num_eisa_slots = EISA_SLOTS; - -static devclass_t eisa_devclass; - -static void eisa_reg_print (device_t, char *, char *, int *); -static struct irq_node * eisa_find_irq(struct eisa_device *e_dev, int rid); -static struct resvaddr * eisa_find_maddr(struct eisa_device *e_dev, int rid); -static struct resvaddr * eisa_find_ioaddr(struct eisa_device *e_dev, int rid); - -static int -mainboard_probe(device_t dev) -{ - char *idstring; - eisa_id_t id = eisa_get_id(dev); - - if (eisa_get_slot(dev) != 0) - return (ENXIO); - - idstring = (char *)malloc(8 + sizeof(" (System Board)") + 1, - M_DEVBUF, M_NOWAIT); - if (idstring == NULL) { - panic("Eisa probe unable to malloc"); - } - sprintf(idstring, "%c%c%c%03x%01x (System Board)", - EISA_MFCTR_CHAR0(id), - EISA_MFCTR_CHAR1(id), - EISA_MFCTR_CHAR2(id), - EISA_PRODUCT_ID(id), - EISA_REVISION_ID(id)); - device_set_desc(dev, idstring); - - return (0); -} - -static int -mainboard_attach(device_t dev) -{ - return (0); -} - -static device_method_t mainboard_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, mainboard_probe), - DEVMETHOD(device_attach, mainboard_attach), - - { 0, 0 } -}; - -static driver_t mainboard_driver = { - "mainboard", - mainboard_methods, - 1, -}; - -static devclass_t mainboard_devclass; - -DRIVER_MODULE(mainboard, eisa, mainboard_driver, mainboard_devclass, 0, 0); - -/* -** probe for EISA devices -*/ -static int -eisa_probe(device_t dev) -{ - int i,slot; - struct eisa_device *e_dev; - device_t child; - int eisaBase = 0xc80; - eisa_id_t eisa_id; - int devices_found = 0; - - device_set_desc(dev, "EISA bus"); - - for (slot = 0; slot < num_eisa_slots; eisaBase+=0x1000, slot++) { - int id_size = sizeof(eisa_id); - eisa_id = 0; - for( i = 0; i < id_size; i++ ) { - outb(eisaBase,0x80 + i); /*Some cards require priming*/ - eisa_id |= inb(eisaBase+i) << ((id_size-i-1)*CHAR_BIT); - } - if (eisa_id & 0x80000000) - continue; /* no EISA card in slot */ - - devices_found++; - - /* Prepare an eisa_device_node for this slot */ - e_dev = (struct eisa_device *)malloc(sizeof(*e_dev), - M_DEVBUF, M_NOWAIT); - if (!e_dev) { - device_printf(dev, "cannot malloc eisa_device"); - break; /* Try to attach what we have already */ - } - bzero(e_dev, sizeof(*e_dev)); - - e_dev->id = eisa_id; - - e_dev->ioconf.slot = slot; - - /* Initialize our lists of reserved addresses */ - LIST_INIT(&(e_dev->ioconf.ioaddrs)); - LIST_INIT(&(e_dev->ioconf.maddrs)); - TAILQ_INIT(&(e_dev->ioconf.irqs)); - - child = device_add_child(dev, NULL, -1); - device_set_ivars(child, e_dev); - } - - /* - * EISA busses themselves are not easily detectable, the easiest way - * to tell if there is an eisa bus is if we found something - there - * should be a motherboard "card" there somewhere. - */ - return devices_found ? 0 : ENXIO; -} - -static void -eisa_probe_nomatch(device_t dev, device_t child) -{ - u_int32_t eisa_id = eisa_get_id(child); - u_int8_t slot = eisa_get_slot(child); - - device_printf(dev, "unknown card %c%c%c%03x%01x (0x%08x) at slot %d\n", - EISA_MFCTR_CHAR0(eisa_id), - EISA_MFCTR_CHAR1(eisa_id), - EISA_MFCTR_CHAR2(eisa_id), - EISA_PRODUCT_ID(eisa_id), - EISA_REVISION_ID(eisa_id), - eisa_id, - slot); - - return; -} - -static void -eisa_reg_print (dev, string, separator, column) - device_t dev; - char * string; - char * separator; - int * column; -{ - int length = strlen(string); - - length += (separator ? 2 : 1); - - if (((*column) + length) >= MAX_COL) { - printf("\n"); - (*column) = 0; - } else if ((*column) != 0) { - if (separator) { - printf("%c", *separator); - (*column)++; - } - printf(" "); - (*column)++; - } - - if ((*column) == 0) { - (*column) += device_printf(dev, "%s", string); - } else { - (*column) += printf("%s", string); - } - - return; -} - -static int -eisa_print_child(device_t dev, device_t child) -{ - char buf[81]; - struct eisa_device * e_dev = device_get_ivars(child); - int rid; - struct irq_node * irq; - struct resvaddr * resv; - char separator = ','; - int column = 0; - int retval = 0; - - if (device_get_desc(child)) { - snprintf(buf, sizeof(buf), "<%s>", device_get_desc(child)); - eisa_reg_print(child, buf, NULL, &column); - } - - rid = 0; - while ((resv = eisa_find_ioaddr(e_dev, rid++))) { - if ((resv->size == 1) || - (resv->flags & RESVADDR_BITMASK)) { - snprintf(buf, sizeof(buf), "%s%lx", - ((rid == 1) ? "at 0x" : "0x"), - resv->addr); - } else { - snprintf(buf, sizeof(buf), "%s%lx-0x%lx", - ((rid == 1) ? "at 0x" : "0x"), - resv->addr, - (resv->addr + (resv->size - 1))); - } - eisa_reg_print(child, buf, - ((rid == 2) ? &separator : NULL), &column); - } - - rid = 0; - while ((resv = eisa_find_maddr(e_dev, rid++))) { - if ((resv->size == 1) || - (resv->flags & RESVADDR_BITMASK)) { - snprintf(buf, sizeof(buf), "%s%lx", - ((rid == 1) ? "at 0x" : "0x"), - resv->addr); - } else { - snprintf(buf, sizeof(buf), "%s%lx-0x%lx", - ((rid == 1) ? "at 0x" : "0x"), - resv->addr, - (resv->addr + (resv->size - 1))); - } - eisa_reg_print(child, buf, - ((rid == 2) ? &separator : NULL), &column); - } - - rid = 0; - while ((irq = eisa_find_irq(e_dev, rid++)) != NULL) { - snprintf(buf, sizeof(buf), "irq %d (%s)", irq->irq_no, - (irq->irq_trigger ? "level" : "edge")); - eisa_reg_print(child, buf, - ((rid == 1) ? &separator : NULL), &column); - } - - snprintf(buf, sizeof(buf), "on %s slot %d\n", - device_get_nameunit(dev), eisa_get_slot(child)); - eisa_reg_print(child, buf, NULL, &column); - - return (retval); -} - -static struct irq_node * -eisa_find_irq(struct eisa_device *e_dev, int rid) -{ - int i; - struct irq_node *irq; - - for (i = 0, irq = TAILQ_FIRST(&e_dev->ioconf.irqs); - i < rid && irq; - i++, irq = TAILQ_NEXT(irq, links)) - ; - - if (irq) - return (irq); - else - return (NULL); -} - -static struct resvaddr * -eisa_find_maddr(struct eisa_device *e_dev, int rid) -{ - int i; - struct resvaddr *resv; - - for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.maddrs); - i < rid && resv; - i++, resv = LIST_NEXT(resv, links)) - ; - - return resv; -} - -static struct resvaddr * -eisa_find_ioaddr(struct eisa_device *e_dev, int rid) -{ - int i; - struct resvaddr *resv; - - for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.ioaddrs); - i < rid && resv; - i++, resv = LIST_NEXT(resv, links)) - ; - - return resv; -} - -static int -eisa_read_ivar(device_t dev, device_t child, int which, u_long *result) -{ - struct eisa_device *e_dev = device_get_ivars(child); - struct irq_node *irq; - - switch (which) { - case EISA_IVAR_SLOT: - *result = e_dev->ioconf.slot; - break; - - case EISA_IVAR_ID: - *result = e_dev->id; - break; - - case EISA_IVAR_IRQ: - /* XXX only first irq */ - if ((irq = eisa_find_irq(e_dev, 0)) != NULL) { - *result = irq->irq_no; - } else { - *result = -1; - } - break; - - default: - return (ENOENT); - } - - return (0); -} - -static int -eisa_write_ivar(device_t dev, device_t child, int which, uintptr_t value) -{ - return (EINVAL); -} - -static struct resource * -eisa_alloc_resource(device_t dev, device_t child, int type, int *rid, - u_long start, u_long end, u_long count, u_int flags) -{ - int isdefault; - struct eisa_device *e_dev = device_get_ivars(child); - struct resource *rv, **rvp = 0; - - isdefault = (device_get_parent(child) == dev - && start == 0UL && end == ~0UL && count == 1); - - switch (type) { - case SYS_RES_IRQ: - if (isdefault) { - struct irq_node * irq = eisa_find_irq(e_dev, *rid); - if (irq == NULL) - return 0; - start = end = irq->irq_no; - count = 1; - if (irq->irq_trigger == EISA_TRIGGER_LEVEL) { - flags |= RF_SHAREABLE; - } else { - flags &= ~RF_SHAREABLE; - } - } - break; - - case SYS_RES_MEMORY: - if (isdefault) { - struct resvaddr *resv; - - resv = eisa_find_maddr(e_dev, *rid); - if (!resv) - return 0; - - start = resv->addr; - end = resv->addr + (resv->size - 1); - count = resv->size; - rvp = &resv->res; - } - break; - - case SYS_RES_IOPORT: - if (isdefault) { - struct resvaddr *resv; - - resv = eisa_find_ioaddr(e_dev, *rid); - if (!resv) - return 0; - - start = resv->addr; - end = resv->addr + (resv->size - 1); - count = resv->size; - rvp = &resv->res; - } - break; - - default: - return 0; - } - - rv = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, - type, rid, start, end, count, flags); - if (rvp) - *rvp = rv; - - return rv; -} - -static int -eisa_release_resource(device_t dev, device_t child, int type, int rid, - struct resource *r) -{ - int rv; - struct eisa_device *e_dev = device_get_ivars(child); - struct resvaddr *resv = 0; - - switch (type) { - case SYS_RES_IRQ: - if (eisa_find_irq(e_dev, rid) == NULL) - return EINVAL; - break; - - case SYS_RES_MEMORY: - if (device_get_parent(child) == dev) - resv = eisa_find_maddr(e_dev, rid); - break; - - - case SYS_RES_IOPORT: - if (device_get_parent(child) == dev) - resv = eisa_find_ioaddr(e_dev, rid); - break; - - default: - return (ENOENT); - } - - rv = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, type, rid, r); - - if (rv == 0) { - if (resv) - resv->res = 0; - } - - return rv; -} - -int -eisa_add_intr(device_t dev, int irq, int trigger) -{ - struct eisa_device *e_dev = device_get_ivars(dev); - struct irq_node *irq_info; - - irq_info = (struct irq_node *)malloc(sizeof(*irq_info), M_DEVBUF, - M_NOWAIT); - if (irq_info == NULL) - return (1); - - irq_info->irq_no = irq; - irq_info->irq_trigger = trigger; - irq_info->idesc = NULL; - TAILQ_INSERT_TAIL(&e_dev->ioconf.irqs, irq_info, links); - return 0; -} - -static int -eisa_add_resvaddr(struct eisa_device *e_dev, struct resvlist *head, u_long base, - u_long size, int flags) -{ - resvaddr_t *reservation; - - reservation = (resvaddr_t *)malloc(sizeof(resvaddr_t), - M_DEVBUF, M_NOWAIT); - if(!reservation) - return (ENOMEM); - - reservation->addr = base; - reservation->size = size; - reservation->flags = flags; - - if (!head->lh_first) { - LIST_INSERT_HEAD(head, reservation, links); - } - else { - resvaddr_t *node; - for(node = head->lh_first; node; node = node->links.le_next) { - if (node->addr > reservation->addr) { - /* - * List is sorted in increasing - * address order. - */ - LIST_INSERT_BEFORE(node, reservation, links); - break; - } - - if (node->addr == reservation->addr) { - /* - * If the entry we want to add - * matches any already in here, - * fail. - */ - free(reservation, M_DEVBUF); - return (EEXIST); - } - - if (!node->links.le_next) { - LIST_INSERT_AFTER(node, reservation, links); - break; - } - } - } - return (0); -} - -int -eisa_add_mspace(device_t dev, u_long mbase, u_long msize, int flags) -{ - struct eisa_device *e_dev = device_get_ivars(dev); - - return eisa_add_resvaddr(e_dev, &(e_dev->ioconf.maddrs), mbase, msize, - flags); -} - -int -eisa_add_iospace(device_t dev, u_long iobase, u_long iosize, int flags) -{ - struct eisa_device *e_dev = device_get_ivars(dev); - - return eisa_add_resvaddr(e_dev, &(e_dev->ioconf.ioaddrs), iobase, - iosize, flags); -} - -static device_method_t eisa_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, eisa_probe), - DEVMETHOD(device_attach, bus_generic_attach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - - /* Bus interface */ - DEVMETHOD(bus_print_child, eisa_print_child), - DEVMETHOD(bus_probe_nomatch, eisa_probe_nomatch), - DEVMETHOD(bus_read_ivar, eisa_read_ivar), - DEVMETHOD(bus_write_ivar, eisa_write_ivar), - DEVMETHOD(bus_driver_added, bus_generic_driver_added), - DEVMETHOD(bus_alloc_resource, eisa_alloc_resource), - DEVMETHOD(bus_release_resource, eisa_release_resource), - DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), - DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - - { 0, 0 } -}; - -static driver_t eisa_driver = { - "eisa", - eisa_methods, - 1, /* no softc */ -}; - -DRIVER_MODULE(eisa, isab, eisa_driver, eisa_devclass, 0, 0); -DRIVER_MODULE(eisa, nexus, eisa_driver, eisa_devclass, 0, 0); |