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Add support for power management and lazy interrupt establishment 

to PCMCIA IDE controllers (include PCMCIA flash cards).
This commit is contained in:
thorpej 1998-11-20 01:52:22 +00:00
parent d0a4fb616f
commit 792462c236
1 changed files with 47 additions and 7 deletions
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54
sys/dev/pcmcia/wdc_pcmcia.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: wdc_pcmcia.c,v 1.14 1998/10/29 09:49:51 enami Exp $ */
/* $NetBSD: wdc_pcmcia.c,v 1.15 1998/11/20 01:52:22 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -78,6 +78,7 @@ struct wdc_pcmcia_softc {
int sc_iowindow;
int sc_auxiowindow;
void *sc_ih;
struct pcmcia_function *sc_pf;
};
static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
@ -130,6 +131,8 @@ int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
struct wdc_pcmcia_product *
wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
int wdc_pcmcia_enable __P((void *, int));
int
wdc_pcmcia_disk_device_interface_callback(tuple, arg)
struct pcmcia_tuple *tuple;
@ -242,6 +245,8 @@ wdc_pcmcia_attach(parent, self, aux)
struct wdc_pcmcia_product *wpp;
int quirks;
sc->sc_pf = pa->pf;
for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
@ -312,12 +317,6 @@ wdc_pcmcia_attach(parent, self, aux)
}
printf("\n");
sc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_BIO, wdcintr,
&sc->wdc_channel);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n", self->dv_xname);
return;
}
sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
@ -340,5 +339,46 @@ wdc_pcmcia_attach(parent, self, aux)
}
if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
/* We can enable and disable the controller. */
sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
/*
* Disable the pcmcia function now; wdcattach() will enable
* us again as it adds references to probe for children.
*/
pcmcia_function_disable(pa->pf);
wdcattach(&sc->wdc_channel);
}
int
wdc_pcmcia_enable(arg, onoff)
void *arg;
int onoff;
{
struct wdc_pcmcia_softc *sc = arg;
if (onoff) {
/* Establish the interrupt handler. */
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
&sc->wdc_channel);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt handler\n",
sc->sc_wdcdev.sc_dev.dv_xname);
return (EIO);
}
if (pcmcia_function_enable(sc->sc_pf)) {
printf("%s: couldn't enable PCMCIA function\n",
sc->sc_wdcdev.sc_dev.dv_xname);
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
return (EIO);
}
} else {
pcmcia_function_disable(sc->sc_pf);
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
}
return (0);
}