214 lines
6.0 KiB
C
214 lines
6.0 KiB
C
/* $NetBSD: fdc_pcmcia.c,v 1.2 1998/07/19 17:28:16 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998 Christos Zoulas. 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Christos Zoulas.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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/conf.h>
|
|
#include <sys/device.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/buf.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/conf.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <dev/pcmcia/pcmciareg.h>
|
|
#include <dev/pcmcia/pcmciavar.h>
|
|
#include <dev/pcmcia/pcmciadevs.h>
|
|
|
|
#include <dev/ic/fdcreg.h>
|
|
#include <dev/ic/fdcvar.h>
|
|
|
|
struct fdc_pcmcia_softc {
|
|
struct fdc_softc sc_fdc; /* real "fdc" softc */
|
|
|
|
/* PCMCIA-specific goo. */
|
|
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
|
|
int sc_io_window; /* our i/o window */
|
|
struct pcmcia_function *sc_pf; /* our PCMCIA function */
|
|
};
|
|
|
|
int fdc_pcmcia_probe __P((struct device *, struct cfdata *, void *));
|
|
void fdc_pcmcia_attach __P((struct device *, struct device *, void *));
|
|
static void fdc_conf __P((struct fdc_softc *));
|
|
|
|
struct cfattach fdc_pcmcia_ca = {
|
|
sizeof(struct fdc_pcmcia_softc), fdc_pcmcia_probe, fdc_pcmcia_attach
|
|
};
|
|
|
|
static void
|
|
fdc_conf(fdc)
|
|
struct fdc_softc *fdc;
|
|
{
|
|
bus_space_tag_t iot = fdc->sc_iot;
|
|
bus_space_handle_t ioh = fdc->sc_ioh;
|
|
int n;
|
|
|
|
/* Figure out what we have */
|
|
if (out_fdc_cmd(iot, ioh, FDC_CMD_VERSION) == -1 ||
|
|
(n = fdcresult(fdc, 1)) != 1)
|
|
return;
|
|
|
|
/* Nec765 or equivalent */
|
|
if (FDC_ST0(fdc->sc_status[0]) == FDC_ST0_INVL)
|
|
return;
|
|
|
|
#if 0
|
|
/* ns8477 check */
|
|
if (out_fdc_cmd(iot, ioh, FDC_CMD_NSC) == -1 ||
|
|
(n = fdcresult(fdc, 1)) != 1) {
|
|
printf("NSC command failed\n");
|
|
return;
|
|
}
|
|
else
|
|
printf("Version %x\n", fdc->sc_status[0]);
|
|
#endif
|
|
|
|
if (out_fdc_cmd(iot, ioh, FDC_CMD_DUMPREG) == -1 ||
|
|
(n = fdcresult(fdc, -1)) == -1)
|
|
return;
|
|
|
|
/*
|
|
* Expect 10 bytes of status; one means that it did not
|
|
* understand the command
|
|
*/
|
|
if (n == 1)
|
|
return;
|
|
|
|
/*
|
|
* Configure controller to use FIFO and 8 bytes of FIFO threshold
|
|
*/
|
|
(void)out_fdc_cmd(iot, ioh, FDC_CMD_CONFIGURE);
|
|
(void)out_fdc(iot, ioh, 0x00); /* doc says 0 */
|
|
(void)out_fdc(iot, ioh, 8); /* FIFO is active low. */
|
|
(void)out_fdc(iot, ioh, fdc->sc_status[9]); /* same comp */
|
|
/* No result phase */
|
|
|
|
/* Lock this configuration */
|
|
if (out_fdc_cmd(iot, ioh, FDC_CMD_LOCK(FDC_CMD_FLAGS_LOCK)) == -1 ||
|
|
fdcresult(fdc, 1) != 1)
|
|
return;
|
|
}
|
|
|
|
int
|
|
fdc_pcmcia_probe(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct pcmcia_attach_args *pa = aux;
|
|
struct pcmcia_card *card = pa->card;
|
|
char *cis[4] = PCMCIA_CIS_YEDATA_EXTERNAL_FDD;
|
|
|
|
/* For this card the manufacturer and product are -1 */
|
|
if (strcmp(cis[0], card->cis1_info[0]) == 0 &&
|
|
strcmp(cis[1], card->cis1_info[1]) == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
fdc_pcmcia_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct fdc_pcmcia_softc *psc = (void *)self;
|
|
struct fdc_softc *fdc = &psc->sc_fdc;
|
|
struct pcmcia_attach_args *pa = aux;
|
|
struct pcmcia_config_entry *cfe;
|
|
struct pcmcia_function *pf = pa->pf;
|
|
struct fdc_attach_args fa;
|
|
|
|
psc->sc_pf = pf;
|
|
|
|
for (cfe = SIMPLEQ_FIRST(&pf->cfe_head); cfe != NULL;
|
|
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
|
|
if (cfe->num_memspace != 0 ||
|
|
cfe->num_iospace != 1)
|
|
continue;
|
|
|
|
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
|
|
cfe->iospace[0].length, cfe->iospace[0].length,
|
|
&psc->sc_pcioh) == 0)
|
|
break;
|
|
}
|
|
|
|
if (cfe == 0) {
|
|
printf(": can't alloc i/o space\n");
|
|
return;
|
|
}
|
|
|
|
/* Enable the card. */
|
|
pcmcia_function_init(pf, cfe);
|
|
if (pcmcia_function_enable(pf)) {
|
|
printf(": function enable failed\n");
|
|
return;
|
|
}
|
|
|
|
/* Map in the io space */
|
|
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
|
|
&psc->sc_pcioh, &psc->sc_io_window)) {
|
|
printf(": can't map i/o space\n");
|
|
return;
|
|
}
|
|
|
|
fdc->sc_iot = psc->sc_pcioh.iot;
|
|
fdc->sc_ioh = psc->sc_pcioh.ioh;
|
|
|
|
fdc->sc_flags = 0;
|
|
fdc->sc_state = DEVIDLE;
|
|
TAILQ_INIT(&fdc->sc_drives);
|
|
|
|
if (!fdcfind(fdc->sc_iot, fdc->sc_ioh, 1))
|
|
printf(": coundn't find fdc\n%s", fdc->sc_dev.dv_xname);
|
|
|
|
printf(": %s\n", PCMCIA_STR_YEDATA_EXTERNAL_FDD);
|
|
|
|
fdc_conf(fdc);
|
|
|
|
/* Establish the interrupt handler. */
|
|
fdc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_BIO, fdchwintr, fdc);
|
|
if (fdc->sc_ih == NULL)
|
|
printf("%s: couldn't establish interrupt\n",
|
|
fdc->sc_dev.dv_xname);
|
|
|
|
/* physical limit: four drives per controller. */
|
|
for (fa.fa_drive = 0; fa.fa_drive < 4; fa.fa_drive++) {
|
|
if (fa.fa_drive < 2)
|
|
fa.fa_deftype = &fd_types[0];
|
|
else
|
|
fa.fa_deftype = NULL; /* unknown */
|
|
(void)config_found(self, (void *)&fa, fdprint);
|
|
}
|
|
}
|