307 lines
8.4 KiB
C
307 lines
8.4 KiB
C
/* $NetBSD: ipaq_pcic.c,v 1.6 2001/08/01 13:18:44 ichiro Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Ichiro FUKUHARA (ichiro@ichiro.org).
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/types.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/file.h>
|
|
#include <sys/device.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <dev/pcmcia/pcmciachip.h>
|
|
#include <dev/pcmcia/pcmciavar.h>
|
|
|
|
#include <hpcarm/dev/ipaq_saipvar.h>
|
|
#include <hpcarm/dev/ipaq_pcicreg.h>
|
|
#include <hpcarm/dev/ipaq_gpioreg.h>
|
|
#include <hpcarm/sa11x0/sa11x0_gpioreg.h>
|
|
#include <hpcarm/sa11x0/sa11x0_var.h>
|
|
#include <hpcarm/sa11x0/sa11xx_pcicvar.h>
|
|
|
|
#include "ipaqpcic.h"
|
|
|
|
static int ipaqpcic_match(struct device *, struct cfdata *, void *);
|
|
static void ipaqpcic_attach(struct device *, struct device *, void *);
|
|
static int ipaqpcic_print(void *, const char *);
|
|
static int ipaqpcic_submatch(struct device *, struct cfdata *, void *);
|
|
|
|
static int ipaqpcic_read(struct sapcic_socket *, int);
|
|
static void ipaqpcic_write(struct sapcic_socket *, int, int);
|
|
static void ipaqpcic_set_power(struct sapcic_socket *, int);
|
|
static void ipaqpcic_clear_intr(int);
|
|
static void *ipaqpcic_intr_establish(struct sapcic_socket *, int,
|
|
int (*)(void *), void *);
|
|
static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *);
|
|
|
|
struct ipaqpcic_softc {
|
|
struct sapcic_softc sc_pc;
|
|
bus_space_handle_t sc_ioh;
|
|
struct ipaq_softc *sc_parent;
|
|
struct sapcic_socket sc_socket[2];
|
|
};
|
|
|
|
static void ipaqpcic_init(struct ipaqpcic_softc *);
|
|
|
|
static struct sapcic_tag ipaqpcic_functions = {
|
|
ipaqpcic_read,
|
|
ipaqpcic_write,
|
|
ipaqpcic_set_power,
|
|
ipaqpcic_clear_intr,
|
|
ipaqpcic_intr_establish,
|
|
ipaqpcic_intr_disestablish
|
|
};
|
|
|
|
struct cfattach ipaqpcic_ca = {
|
|
sizeof(struct ipaqpcic_softc), ipaqpcic_match, ipaqpcic_attach
|
|
};
|
|
|
|
static int
|
|
ipaqpcic_match(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_attach(parent, self, aux)
|
|
struct device *parent;
|
|
struct device *self;
|
|
void *aux;
|
|
{
|
|
int i;
|
|
struct pcmciabus_attach_args paa;
|
|
struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self;
|
|
struct ipaq_softc *psc = (struct ipaq_softc *)parent;
|
|
|
|
printf("\n");
|
|
|
|
sc->sc_pc.sc_iot = psc->sc_iot;
|
|
sc->sc_ioh = psc->sc_ioh;
|
|
sc->sc_parent = (struct ipaq_softc *)parent;
|
|
|
|
ipaqpcic_init(sc);
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
sc->sc_socket[i].sc = (struct sapcic_softc *)sc;
|
|
sc->sc_socket[i].socket = i;
|
|
sc->sc_socket[i].pcictag_cookie = psc;
|
|
sc->sc_socket[i].pcictag = &ipaqpcic_functions;
|
|
sc->sc_socket[i].event_thread = NULL;
|
|
sc->sc_socket[i].event = 0;
|
|
sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID;
|
|
sc->sc_socket[i].shutdown = 0;
|
|
|
|
paa.paa_busname = "pcmcia";
|
|
paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions;
|
|
paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i];
|
|
paa.iobase = 0;
|
|
paa.iosize = 0x4000000;
|
|
|
|
sc->sc_socket[i].pcmcia =
|
|
(struct device *)config_found_sm(&sc->sc_pc.sc_dev,
|
|
&paa, ipaqpcic_print, ipaqpcic_submatch);
|
|
|
|
sa11x0_intr_establish((sa11x0_chipset_tag_t)psc,
|
|
i ? IRQ_CD1 : IRQ_CD0,
|
|
1, IPL_BIO, sapcic_intr,
|
|
&sc->sc_socket[i]);
|
|
|
|
/* schedule kthread creation */
|
|
kthread_create(sapcic_kthread_create, &sc->sc_socket[i]);
|
|
|
|
#if 0 /* XXX */
|
|
/* establish_intr should be after creating the kthread */
|
|
config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static int
|
|
ipaqpcic_print(aux, name)
|
|
void *aux;
|
|
const char *name;
|
|
{
|
|
return (UNCONF);
|
|
}
|
|
|
|
static int
|
|
ipaqpcic_submatch(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
return (*cf->cf_attach->ca_match)(parent, cf, aux);
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_init(sc)
|
|
struct ipaqpcic_softc *sc;
|
|
{
|
|
int cr;
|
|
|
|
/* All those are inputs */
|
|
cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR);
|
|
cr &= ~(GPIO_H3600_PCMCIA_CD0 | GPIO_H3600_PCMCIA_CD1 | GPIO_H3600_PCMCIA_IRQ0 |
|
|
GPIO_H3600_PCMCIA_IRQ1);
|
|
bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR, cr);
|
|
|
|
sc->sc_parent->ipaq_egpio |=
|
|
EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON ;
|
|
sc->sc_parent->ipaq_egpio &=
|
|
~(EGPIO_H3600_CARD_RESET | EGPIO_H3600_OPT_RESET);
|
|
bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh,
|
|
0, sc->sc_parent->ipaq_egpio);
|
|
}
|
|
|
|
static int
|
|
ipaqpcic_read(so, reg)
|
|
struct sapcic_socket *so;
|
|
int reg;
|
|
{
|
|
int cr, bit;
|
|
struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc;
|
|
|
|
cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR);
|
|
|
|
switch (reg) {
|
|
case SAPCIC_STATUS_CARD:
|
|
bit = (so->socket ? GPIO_H3600_PCMCIA_CD0 :
|
|
GPIO_H3600_PCMCIA_CD1) & cr;
|
|
if (!bit)
|
|
return SAPCIC_CARD_INVALID;
|
|
else
|
|
return SAPCIC_CARD_VALID;
|
|
case SAPCIC_STATUS_VS1:
|
|
case SAPCIC_STATUS_VS2:
|
|
case SAPCIC_STATUS_READY:
|
|
bit = (so->socket ? GPIO_H3600_PCMCIA_IRQ0:
|
|
GPIO_H3600_PCMCIA_IRQ1);
|
|
return (bit & cr);
|
|
default:
|
|
panic("ipaqpcic_read: bogus register\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_write(so, reg, arg)
|
|
struct sapcic_socket *so;
|
|
int reg;
|
|
int arg;
|
|
{
|
|
int s;
|
|
struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc;
|
|
|
|
s = splhigh();
|
|
switch (reg) {
|
|
case SAPCIC_CONTROL_RESET:
|
|
sc->sc_parent->ipaq_egpio |= EGPIO_H3600_CARD_RESET;
|
|
break;
|
|
case SAPCIC_CONTROL_LINEENABLE:
|
|
case SAPCIC_CONTROL_WAITENABLE:
|
|
case SAPCIC_CONTROL_POWERSELECT:
|
|
break;
|
|
|
|
default:
|
|
splx(s);
|
|
panic("ipaqpcic_write: bogus register");
|
|
}
|
|
bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 0,
|
|
sc->sc_parent->ipaq_egpio);
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_set_power(so, arg)
|
|
struct sapcic_socket *so;
|
|
int arg;
|
|
{
|
|
int s;
|
|
struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc;
|
|
|
|
s = splbio();
|
|
switch (arg) {
|
|
case SAPCIC_POWER_OFF:
|
|
sc->sc_parent->ipaq_egpio &=
|
|
~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON);
|
|
break;
|
|
case SAPCIC_POWER_3V:
|
|
case SAPCIC_POWER_5V:
|
|
sc->sc_parent->ipaq_egpio |=
|
|
EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON;
|
|
break;
|
|
default:
|
|
panic("ipaqpcic_set_power: bogus arg\n");
|
|
}
|
|
bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh,
|
|
0, sc->sc_parent->ipaq_egpio);
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_clear_intr(arg)
|
|
{
|
|
}
|
|
|
|
static void *
|
|
ipaqpcic_intr_establish(so, level, ih_fun, ih_arg)
|
|
struct sapcic_socket *so;
|
|
int level;
|
|
int (*ih_fun)(void *);
|
|
void *ih_arg;
|
|
{
|
|
int irq;
|
|
|
|
irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1;
|
|
return (sa11x0_intr_establish((sa11x0_chipset_tag_t)so->pcictag_cookie,
|
|
irq-16, 1, level, ih_fun, ih_arg));
|
|
}
|
|
|
|
static void
|
|
ipaqpcic_intr_disestablish(so, ih)
|
|
struct sapcic_socket *so;
|
|
void *ih;
|
|
{
|
|
sa11x0_intr_disestablish((sa11x0_chipset_tag_t)so->pcictag_cookie, ih);
|
|
}
|