diff options
Diffstat (limited to 'sys/dev/mca/mca_bus.c')
| -rw-r--r-- | sys/dev/mca/mca_bus.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/sys/dev/mca/mca_bus.c b/sys/dev/mca/mca_bus.c deleted file mode 100644 index 2de61da3d455..000000000000 --- a/sys/dev/mca/mca_bus.c +++ /dev/null @@ -1,533 +0,0 @@ -/*- - * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> - * 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, 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 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. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * References: - * The CMU Mach3 microkernel - * NetBSD MCA patches by Scott Telford - * Linux MCA code. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/queue.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <sys/limits.h> -#include <sys/module.h> -#include <sys/bus.h> - -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/rman.h> - -#include <dev/mca/mca_busreg.h> -#include <dev/mca/mca_busvar.h> - -#include <sys/interrupt.h> - -#define MAX_COL 79 - -static void mca_reg_print (device_t, char *, char *, int *); - -struct mca_device { - struct resource_list rl; /* Resources */ - - mca_id_t id; - u_int8_t slot; - u_int8_t enabled; - u_int8_t pos[8]; /* Programable Option Select Regs. */ -}; - -/* Not supposed to use this function! */ -void -mca_pos_set (device_t dev, u_int8_t reg, u_int8_t data) -{ - struct mca_device * m_dev = device_get_ivars(dev); - u_int8_t slot = mca_get_slot(dev); - - if ((slot > MCA_MAX_ADAPTERS) || (reg > MCA_POS7)) - return; - - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - - /* Select adapter setup regs */ - outb(MCA_ADAP_SETUP_REG, ((slot & 0x0f) | MCA_ADAP_SET)); - - /* Write the register */ - outb(MCA_POS_REG(reg), data); - - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - - /* Update the IVAR copy */ - m_dev->pos[reg] = data; - - return; -} - -u_int8_t -mca_pos_get (device_t dev, u_int8_t reg) -{ - u_int8_t slot = mca_get_slot(dev); - u_int8_t data = 0; - - if ((slot > MCA_MAX_ADAPTERS) || (reg > MCA_POS7)) - return (0); - - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - - switch (slot) { - case MCA_MB_SCSI_SLOT: - - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - - /* Select motherboard video setup regs */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_SCSI); - - /* read the register */ - data = inb(MCA_POS_REG(reg)); - - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - - break; - case MCA_MB_VIDEO_SLOT: - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - - /* Select motherboard scsi setup regs */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_VIDEO); - - /* read the register */ - data = inb(MCA_POS_REG(reg)); - - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - break; - default: - - /* Select adapter setup regs */ - outb(MCA_ADAP_SETUP_REG, - ((slot & 0x0f) | MCA_ADAP_SET)); - - /* read the register */ - data = inb(MCA_POS_REG(reg)); - - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - break; - } - - return (data); -} - -const char * -mca_match_id (u_int16_t id, struct mca_ident *mca_devs) -{ - struct mca_ident * m = mca_devs; - while(m->name != NULL) { - if (id == m->id) - return (m->name); - m++; - } - return (NULL); -} - -u_int8_t -mca_pos_read (device_t dev, u_int8_t reg) -{ - struct mca_device * m_dev = device_get_ivars(dev); - - if (reg > MCA_POS7) - return (0); - - return (m_dev->pos[reg]); -} - -void -mca_add_irq (dev, irq) - device_t dev; - int irq; -{ - struct mca_device * m_dev = device_get_ivars(dev); - int rid = 0; - - while (resource_list_find(&(m_dev->rl), SYS_RES_IRQ, rid)) rid++; - resource_list_add(&(m_dev->rl), SYS_RES_IRQ, rid, irq, irq, 1); - - return; -} - -void -mca_add_drq (dev, drq) - device_t dev; - int drq; -{ - struct mca_device * m_dev = device_get_ivars(dev); - int rid = 0; - - while (resource_list_find(&(m_dev->rl), SYS_RES_DRQ, rid)) rid++; - resource_list_add(&(m_dev->rl), SYS_RES_DRQ, rid, drq, drq, 1); - - return; -} - -void -mca_add_mspace (dev, mbase, msize) - device_t dev; - u_long mbase; - u_long msize; -{ - struct mca_device * m_dev = device_get_ivars(dev); - int rid = 0; - - while (resource_list_find(&(m_dev->rl), SYS_RES_MEMORY, rid)) rid++; - resource_list_add(&(m_dev->rl), SYS_RES_MEMORY, rid, - mbase, (mbase + msize), msize); - - return; -} - -void -mca_add_iospace (dev, iobase, iosize) - device_t dev; - u_long iobase; - u_long iosize; -{ - struct mca_device * m_dev = device_get_ivars(dev); - int rid = 0; - - while (resource_list_find(&(m_dev->rl), SYS_RES_IOPORT, rid)) rid++; - resource_list_add(&(m_dev->rl), SYS_RES_IOPORT, rid, - iobase, (iobase + iosize), iosize); - - return; -} - -static int -mca_probe (device_t dev) -{ - device_t child; - struct mca_device * m_dev = NULL; - int devices_found = 0; - u_int8_t slot; - u_int8_t reg; - - device_set_desc(dev, "MCA bus"); - - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - /* Disable motherboard setup */ - outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS); - - if (bootverbose) { - printf("POS REG 00 01 02 03 04 05 06 07\n"); - printf("-----------------------------------\n"); - } - - for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { - - if (!m_dev) { - m_dev = (struct mca_device *)malloc(sizeof(*m_dev), - M_DEVBUF, M_NOWAIT); - if (!m_dev) { - device_printf(dev, "cannot malloc mca_device"); - break; - } - } - bzero(m_dev, sizeof(*m_dev)); - - /* Select adapter setup regs */ - outb(MCA_ADAP_SETUP_REG, ((slot & 0x0f) | MCA_ADAP_SET)); - - /* Read the POS registers */ - for (reg = MCA_POS0; reg <= MCA_POS7; reg++) { - m_dev->pos[reg] = inb(MCA_POS_REG(reg)); - } - - /* Disable adapter setup */ - outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS); - - if (bootverbose) { - printf("mca slot %d:", slot + 1); - for (reg = MCA_POS0; reg <= MCA_POS7; reg++) { - printf(" %02x", m_dev->pos[reg]); - } - printf("\n"); - } - - m_dev->id = (u_int16_t)m_dev->pos[MCA_POS0] | - ((u_int16_t)m_dev->pos[MCA_POS1] << 8); - - if (m_dev->id == 0xffff) { - continue; - } - - devices_found++; - - m_dev->enabled = (m_dev->pos[MCA_POS2] & MCA_POS2_ENABLE); - m_dev->slot = slot; - - resource_list_init(&(m_dev->rl)); - - child = device_add_child(dev, NULL, -1); - device_set_ivars(child, m_dev); - - m_dev = NULL; - } - - if (m_dev) { - free(m_dev, M_DEVBUF); - } - - return (devices_found ? 0 : ENXIO); -} - -static void -mca_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 -mca_print_child (device_t dev, device_t child) -{ - char buf[MAX_COL+1]; - struct mca_device * m_dev = device_get_ivars(child); - int rid; - struct resource_list_entry * rle; - char separator = ','; - int column = 0; - int retval = 0; - - if (device_get_desc(child)) { - snprintf(buf, sizeof(buf), "<%s>", device_get_desc(child)); - mca_reg_print(child, buf, NULL, &column); - } - - rid = 0; - while ((rle = resource_list_find(&(m_dev->rl), SYS_RES_IOPORT, rid++))) { - if (rle->count == 1) { - snprintf(buf, sizeof(buf), "%s%jx", - ((rid == 1) ? "io 0x" : "0x"), - rle->start); - } else { - snprintf(buf, sizeof(buf), "%s%jx-0x%jx", - ((rid == 1) ? "io 0x" : "0x"), - rle->start, - (rle->start + rle->count)); - } - mca_reg_print(child, buf, - ((rid == 2) ? &separator : NULL), &column); - } - - rid = 0; - while ((rle = resource_list_find(&(m_dev->rl), SYS_RES_MEMORY, rid++))) { - if (rle->count == 1) { - snprintf(buf, sizeof(buf), "%s%jx", - ((rid == 1) ? "mem 0x" : "0x"), - rle->start); - } else { - snprintf(buf, sizeof(buf), "%s%jx-0x%jx", - ((rid == 1) ? "mem 0x" : "0x"), - rle->start, - (rle->start + rle->count)); - } - mca_reg_print(child, buf, - ((rid == 2) ? &separator : NULL), &column); - } - - rid = 0; - while ((rle = resource_list_find(&(m_dev->rl), SYS_RES_IRQ, rid++))) { - snprintf(buf, sizeof(buf), "irq %jd", rle->start); - mca_reg_print(child, buf, - ((rid == 1) ? &separator : NULL), &column); - } - - rid = 0; - while ((rle = resource_list_find(&(m_dev->rl), SYS_RES_DRQ, rid++))) { - snprintf(buf, sizeof(buf), "drq %jx", rle->start); - mca_reg_print(child, buf, - ((rid == 1) ? &separator : NULL), &column); - } - - snprintf(buf, sizeof(buf), "on %s id %04x slot %d\n", - device_get_nameunit(dev), - mca_get_id(child), mca_get_slot(child)+1); - mca_reg_print(child, buf, NULL, &column); - - return (retval); -} - -static void -mca_probe_nomatch (device_t dev, device_t child) -{ - mca_id_t mca_id = mca_get_id(child); - u_int8_t slot = mca_get_slot(child); - u_int8_t enabled = mca_get_enabled(child); - - device_printf(dev, "unknown card (id 0x%04x, %s) at slot %d\n", - mca_id, - (enabled ? "enabled" : "disabled"), - slot + 1); - - return; -} - -static int -mca_read_ivar (device_t dev, device_t child, int which, uintptr_t * result) -{ - struct mca_device * m_dev = device_get_ivars(child); - - switch (which) { - case MCA_IVAR_SLOT: - *result = m_dev->slot; - break; - case MCA_IVAR_ID: - *result = m_dev->id; - break; - case MCA_IVAR_ENABLED: - *result = m_dev->enabled; - break; - default: - return (ENOENT); - break; - } - - return (0); -} - -static struct resource * -mca_alloc_resource (device_t dev, device_t child, int type, int *rid, - rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) -{ - struct mca_device * m_dev = device_get_ivars(child); - struct resource_list_entry * rle; - int isdefault; - int passthrough; - - isdefault = RMAN_IS_DEFAULT_RANGE(start, end); - passthrough = (device_get_parent(child) != dev); - - if (!passthrough && !isdefault) { - rle = resource_list_find(&(m_dev->rl), type, *rid); - if (!rle) { - resource_list_add(&(m_dev->rl), type, *rid, - start, end, count); - } - } - - if (type == SYS_RES_IRQ) { - flags |= RF_SHAREABLE; - } - - return (resource_list_alloc(&(m_dev->rl), dev, child, type, rid, - start, end, count, flags)); -} - -static struct resource_list * -mca_get_resource_list (device_t dev, device_t child) -{ - struct mca_device * m_dev = device_get_ivars(child); - struct resource_list * rl = &m_dev->rl; - - if (!rl) - return (NULL); - - return (rl); -} - -static device_method_t mca_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, mca_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, mca_print_child), - DEVMETHOD(bus_probe_nomatch, mca_probe_nomatch), - DEVMETHOD(bus_read_ivar, mca_read_ivar), - DEVMETHOD(bus_write_ivar, bus_generic_write_ivar), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - - DEVMETHOD(bus_get_resource_list,mca_get_resource_list), - DEVMETHOD(bus_alloc_resource, mca_alloc_resource), - DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource), - DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), - DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), - DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource), - DEVMETHOD(bus_activate_resource,bus_generic_activate_resource), - DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), - - DEVMETHOD_END -}; - -static driver_t mca_driver = { - "mca", - mca_methods, - 1, /* no softc */ -}; - -static devclass_t mca_devclass; - -DRIVER_MODULE(mca, legacy, mca_driver, mca_devclass, 0, 0); |