Add pcmcia floppy front end.
XXX: We need to make an isa machine independent floppy driver...
This commit is contained in:
christos
parent
16a9632e4d
commit
a6c37f987d
216
sys/dev/pcmcia/fdc_pcmcia.c
Normal file
216
sys/dev/pcmcia/fdc_pcmcia.c
Normal file
@ -0,0 +1,216 @@
|
||||
/* $NetBSD: fdc_pcmcia.c,v 1.1 1998/06/21 18:45:41 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 <machine/bus.h>
|
||||
#include <machine/conf.h>
|
||||
#include <machine/intr.h>
|
||||
|
||||
#include <dev/pcmcia/pcmciareg.h>
|
||||
#include <dev/pcmcia/pcmciavar.h>
|
||||
|
||||
#include <dev/isa/isavar.h>
|
||||
#include <dev/isa/isadmavar.h>
|
||||
|
||||
#include <dev/isa/fdcreg.h>
|
||||
#include <dev/isa/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 *));
|
||||
|
||||
static struct fd_type fd_types[] = {
|
||||
{ 18,2,36,2,0xff,0xcf,0x1b,0x6c,80,2880,1,FDC_DSR_500KBPS,0xf6,1, "1.44MB" } /* 1.44MB diskette */
|
||||
};
|
||||
|
||||
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;
|
||||
|
||||
/* For this card the manufacturer and product are -1 */
|
||||
if (strcmp("Y-E DATA", card->cis1_info[0]) == 0 &&
|
||||
strcmp("External FDD", 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_drq = -1;
|
||||
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, %s\n", pa->card->cis1_info[0], pa->card->cis1_info[1]);
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
# $NetBSD: files.pcmcia,v 1.8 1998/03/22 04:39:56 enami Exp $
|
||||
# $NetBSD: files.pcmcia,v 1.9 1998/06/21 18:45:41 christos Exp $
|
||||
#
|
||||
# Config.new file and device description for machine-independent PCMCIA code.
|
||||
# Included by ports that need it.
|
||||
@ -45,3 +45,7 @@ file dev/pcmcia/if_sm_pcmcia.c sm_pcmcia
|
||||
# MB8696x Ethernet Controllers (i.e. TDK LAK CD021BX)
|
||||
attach mbe at pcmcia with mbe_pcmcia
|
||||
file dev/pcmcia/if_mbe_pcmcia.c mbe_pcmcia
|
||||
|
||||
# PCMCIA Floppy controller
|
||||
attach fdc at pcmcia with fdc_pcmcia
|
||||
file dev/pcmcia/fdc_pcmcia.c fdc_pcmcia
|
||||
|
||||
Loading…
Reference in New Issue
Block a user