a6f0699845
This gets us probing, but not attaching to, ISA cards. More work needed since the ISA attach routine is return ENXIO right now :-)
247 lines
7.9 KiB
C
247 lines
7.9 KiB
C
/*-
|
|
* Copyright (c) 2002-2004 M. Warner Losh.
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Driver for ISA to PCMCIA bridges compliant with the Intel ExCA
|
|
* specification.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/condvar.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/bus.h>
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <isa/isavar.h>
|
|
|
|
#include <dev/pccard/pccardreg.h>
|
|
#include <dev/pccard/pccardvar.h>
|
|
|
|
#include <dev/exca/excareg.h>
|
|
#include <dev/exca/excavar.h>
|
|
|
|
#include <dev/pccbb/pccbbreg.h>
|
|
#include <dev/pccbb/pccbbvar.h>
|
|
|
|
#include "power_if.h"
|
|
#include "card_if.h"
|
|
|
|
/*****************************************************************************
|
|
* Configurable parameters.
|
|
*****************************************************************************/
|
|
|
|
/* sysctl vars */
|
|
SYSCTL_NODE(_hw, OID_AUTO, pcic, CTLFLAG_RD, 0, "PCIC parameters");
|
|
|
|
static int isa_intr_mask = EXCA_INT_MASK_ALLOWED;
|
|
TUNABLE_INT("hw.cbb.intr_mask", &isa_intr_mask);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, intr_mask, CTLFLAG_RD, &isa_intr_mask, 0,
|
|
"Mask of allowable interrupts for this laptop. The default is generally\n\
|
|
correct, but some laptops do not route all the IRQ pins to the bridge to\n\
|
|
save wires. Sometimes you need a more restrictive mask because some of the\n\
|
|
hardware in your laptop may not have a driver so its IRQ might not be\n\
|
|
allocated.");
|
|
|
|
/*
|
|
* CL-PD6722's VSENSE method
|
|
* 0: NO VSENSE (assume a 5.0V card always)
|
|
* 1: 6710's method (default)
|
|
* 2: 6729's method
|
|
*/
|
|
int pcic_pd6722_vsense = 1;
|
|
TUNABLE_INT("hw.pcic.pd6722_vsense", &pcic_pd6722_vsense);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, pd6722_vsense, CTLFLAG_RDTUN,
|
|
&pcic_pd6722_vsense, 1,
|
|
"Select CL-PD6722's VSENSE method. VSENSE is used to determine the\n\
|
|
volatage of inserted cards. The CL-PD6722 has two methods to determine the\n\
|
|
voltage of the card. 0 means assume a 5.0V card and do not check. 1 means\n\
|
|
use the same method that the CL-PD6710 uses (default). 2 means use the\n\
|
|
same method as the CL-PD6729. 2 is documented in the datasheet as being\n\
|
|
the correct way, but 1 seems to give better results on more laptops.");
|
|
|
|
/*****************************************************************************
|
|
* End of configurable parameters.
|
|
*****************************************************************************/
|
|
|
|
#define DPRINTF(x) do { if (cbb_debug) printf x; } while (0)
|
|
#define DEVPRINTF(x) do { if (cbb_debug) device_printf x; } while (0)
|
|
|
|
/* XXX Not sure that PNP0E03 should be claimed, except maybe on pc98 */
|
|
static struct isa_pnp_id pcic_ids[] = {
|
|
{EXCA_PNP_ACTIONTEC, NULL}, /* AEI0218 */
|
|
{EXCA_PNP_IBM3765, NULL}, /* IBM3765 */
|
|
{EXCA_PNP_82365, NULL}, /* PNP0E00 */
|
|
{EXCA_PNP_CL_PD6720, NULL}, /* PNP0E01 */
|
|
{EXCA_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
|
|
{EXCA_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
|
|
{EXCA_PNP_SCM_SWAPBOX, NULL}, /* SCM0469 */
|
|
{EXCA_NEC_PC9801_102, NULL}, /* NEC8091 */
|
|
{EXCA_NEC_PC9821RA_E01, NULL}, /* NEC8121 */
|
|
{0}
|
|
};
|
|
|
|
/************************************************************************/
|
|
/* Probe/Attach */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
cbb_isa_activate(device_t dev)
|
|
{
|
|
struct cbb_softc *sc = device_get_softc(dev);
|
|
struct resource *res;
|
|
int rid;
|
|
int i;
|
|
|
|
/* A little bogus, but go ahead and get the irq for CSC events */
|
|
rid = 0;
|
|
res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
|
|
if (res == NULL) {
|
|
/*
|
|
* No IRQ specified, find one. This can be due to the PnP
|
|
* data not specifying any IRQ, or the default kernel not
|
|
* assinging an IRQ.
|
|
*/
|
|
for (i = 0; i < 16 && res == NULL; i++) {
|
|
if (((1 << i) & isa_intr_mask) == 0)
|
|
continue;
|
|
res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, i, i,
|
|
1, RF_ACTIVE);
|
|
}
|
|
}
|
|
if (res == NULL)
|
|
return (ENXIO);
|
|
sc->irq_res = res;
|
|
rid = 0;
|
|
res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
|
|
if (res == NULL) {
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
|
|
sc->irq_res = NULL;
|
|
device_printf(dev, "Cannot allocate I/O\n");
|
|
return (ENOMEM);
|
|
}
|
|
sc->bst = rman_get_bustag(res);
|
|
sc->bsh = rman_get_bushandle(res);
|
|
sc->base_res = res;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cbb_isa_deactivate(device_t dev)
|
|
{
|
|
struct cbb_softc *sc = device_get_softc(dev);
|
|
|
|
if (sc->irq_res)
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
|
|
sc->irq_res = NULL;
|
|
if (sc->base_res)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->base_res);
|
|
sc->base_res = NULL;
|
|
}
|
|
|
|
static int
|
|
cbb_isa_probe(device_t dev)
|
|
{
|
|
int error;
|
|
struct cbb_softc *sc = device_get_softc(dev);
|
|
|
|
/* Check isapnp ids */
|
|
error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
|
|
if (error != 0 && error != ENOENT)
|
|
return (error);
|
|
|
|
error = cbb_isa_activate(dev);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
/* Check to make sure that we have actual hardware */
|
|
error = exca_probe_slots(dev, &sc->exca[0], sc->bst, sc->bsh);
|
|
cbb_isa_deactivate(dev);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
cbb_isa_attach(device_t dev)
|
|
{
|
|
return (ENOMEM);
|
|
}
|
|
|
|
static device_method_t cbb_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, cbb_isa_probe),
|
|
DEVMETHOD(device_attach, cbb_isa_attach),
|
|
DEVMETHOD(device_detach, cbb_detach),
|
|
DEVMETHOD(device_shutdown, cbb_shutdown),
|
|
DEVMETHOD(device_suspend, cbb_suspend),
|
|
DEVMETHOD(device_resume, cbb_resume),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_read_ivar, cbb_read_ivar),
|
|
DEVMETHOD(bus_write_ivar, cbb_write_ivar),
|
|
DEVMETHOD(bus_alloc_resource, cbb_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, cbb_release_resource),
|
|
DEVMETHOD(bus_activate_resource, cbb_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, cbb_deactivate_resource),
|
|
DEVMETHOD(bus_driver_added, cbb_driver_added),
|
|
DEVMETHOD(bus_child_detached, cbb_child_detached),
|
|
DEVMETHOD(bus_setup_intr, cbb_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, cbb_teardown_intr),
|
|
DEVMETHOD(bus_child_present, cbb_child_present),
|
|
|
|
/* 16-bit card interface */
|
|
DEVMETHOD(card_set_res_flags, cbb_pcic_set_res_flags),
|
|
DEVMETHOD(card_set_memory_offset, cbb_pcic_set_memory_offset),
|
|
|
|
/* power interface */
|
|
DEVMETHOD(power_enable_socket, cbb_power_enable_socket),
|
|
DEVMETHOD(power_disable_socket, cbb_power_disable_socket),
|
|
|
|
{0,0}
|
|
};
|
|
|
|
static driver_t cbb_isa_driver = {
|
|
"cbb",
|
|
cbb_methods,
|
|
sizeof(struct cbb_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(cbb, isa, cbb_isa_driver, cbb_devclass, 0, 0);
|
|
MODULE_DEPEND(cbb, exca, 1, 1, 1);
|