fbc9874dd0
Since these calls only use default arguments, bus_alloc_resource_any() is the right call. Differential Revision: https://reviews.freebsd.org/D5306
151 lines
4.1 KiB
C
151 lines
4.1 KiB
C
/*-
|
|
* cyclades cyclom-y serial driver
|
|
* Andrew Herbert <andrew@werple.apana.org.au>, 17 August 1993
|
|
*
|
|
* Copyright (c) 1993 Andrew Herbert.
|
|
* 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.
|
|
* 3. The name Andrew Herbert may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ``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 I 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.
|
|
*/
|
|
|
|
/*
|
|
* Cyclades Y ISA serial interface driver
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <isa/isavar.h>
|
|
|
|
#include <dev/cy/cyreg.h>
|
|
#include <dev/cy/cyvar.h>
|
|
|
|
static int cy_isa_attach(device_t dev);
|
|
static int cy_isa_probe(device_t dev);
|
|
|
|
static device_method_t cy_isa_methods[] = {
|
|
/* Device interface. */
|
|
DEVMETHOD(device_probe, cy_isa_probe),
|
|
DEVMETHOD(device_attach, cy_isa_attach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t cy_isa_driver = {
|
|
cy_driver_name,
|
|
cy_isa_methods,
|
|
0,
|
|
};
|
|
|
|
DRIVER_MODULE(cy, isa, cy_isa_driver, cy_devclass, 0, 0);
|
|
|
|
static int
|
|
cy_isa_probe(device_t dev)
|
|
{
|
|
struct resource *mem_res;
|
|
cy_addr iobase;
|
|
int error, mem_rid;
|
|
|
|
if (isa_get_logicalid(dev) != 0) /* skip PnP probes */
|
|
return (ENXIO);
|
|
|
|
mem_rid = 0;
|
|
mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &mem_rid,
|
|
RF_ACTIVE);
|
|
if (mem_res == NULL) {
|
|
device_printf(dev, "ioport resource allocation failed\n");
|
|
return (ENXIO);
|
|
}
|
|
iobase = rman_get_virtual(mem_res);
|
|
|
|
/* Cyclom-16Y hardware reset (Cyclom-8Ys don't care) */
|
|
cy_inb(iobase, CY16_RESET, 0); /* XXX? */
|
|
DELAY(500); /* wait for the board to get its act together */
|
|
|
|
/* this is needed to get the board out of reset */
|
|
cy_outb(iobase, CY_CLEAR_INTR, 0, 0);
|
|
DELAY(500);
|
|
|
|
error = (cy_units(iobase, 0) == 0 ? ENXIO : 0);
|
|
bus_release_resource(dev, SYS_RES_MEMORY, mem_rid, mem_res);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
cy_isa_attach(device_t dev)
|
|
{
|
|
struct resource *irq_res, *mem_res;
|
|
void *irq_cookie, *vaddr, *vsc;
|
|
int irq_rid, mem_rid;
|
|
|
|
irq_res = NULL;
|
|
mem_res = NULL;
|
|
|
|
mem_rid = 0;
|
|
mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &mem_rid,
|
|
RF_ACTIVE);
|
|
if (mem_res == NULL) {
|
|
device_printf(dev, "memory resource allocation failed\n");
|
|
goto fail;
|
|
}
|
|
vaddr = rman_get_virtual(mem_res);
|
|
|
|
vsc = cyattach_common(vaddr, 0);
|
|
if (vsc == NULL) {
|
|
device_printf(dev, "no ports found!\n");
|
|
goto fail;
|
|
}
|
|
|
|
irq_rid = 0;
|
|
irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irq_rid,
|
|
RF_SHAREABLE | RF_ACTIVE);
|
|
if (irq_res == NULL) {
|
|
device_printf(dev, "interrupt resource allocation failed\n");
|
|
goto fail;
|
|
}
|
|
if (bus_setup_intr(dev, irq_res, INTR_TYPE_TTY,
|
|
cyintr, NULL, vsc, &irq_cookie) != 0) {
|
|
device_printf(dev, "interrupt setup failed\n");
|
|
goto fail;
|
|
}
|
|
|
|
return (0);
|
|
|
|
fail:
|
|
if (irq_res != NULL)
|
|
bus_release_resource(dev, SYS_RES_IRQ, irq_rid, irq_res);
|
|
if (mem_res != NULL)
|
|
bus_release_resource(dev, SYS_RES_MEMORY, mem_rid, mem_res);
|
|
return (ENXIO);
|
|
}
|