305 lines
8.4 KiB
C
305 lines
8.4 KiB
C
/* $NetBSD: nca_pcmcia.c,v 1.5 2001/11/13 07:26:34 lukem Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Charles M. Hannum.
|
|
*
|
|
* 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: nca_pcmcia.c,v 1.5 2001/11/13 07:26:34 lukem Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/buf.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <dev/scsipi/scsi_all.h>
|
|
#include <dev/scsipi/scsipi_all.h>
|
|
#include <dev/scsipi/scsiconf.h>
|
|
|
|
#include <dev/pcmcia/pcmciareg.h>
|
|
#include <dev/pcmcia/pcmciavar.h>
|
|
#include <dev/pcmcia/pcmciadevs.h>
|
|
|
|
#include <dev/ic/ncr5380reg.h>
|
|
#include <dev/ic/ncr5380var.h>
|
|
#include <dev/ic/ncr53c400reg.h>
|
|
|
|
struct nca_pcmcia_softc {
|
|
struct ncr5380_softc sc_ncr5380; /* glue to MI code */
|
|
|
|
/* 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 */
|
|
void *sc_ih; /* interrupt handler */
|
|
int sc_flags;
|
|
#define NCA_PCMCIA_ATTACHED 1 /* attach completed */
|
|
#define NCA_PCMCIA_ATTACHING 2 /* attach in progress */
|
|
};
|
|
|
|
int nca_pcmcia_match __P((struct device *, struct cfdata *, void *));
|
|
void nca_pcmcia_attach __P((struct device *, struct device *, void *));
|
|
int nca_pcmcia_detach __P((struct device *, int));
|
|
int nca_pcmcia_enable __P((struct device *, int));
|
|
|
|
struct cfattach nca_pcmcia_ca = {
|
|
sizeof(struct nca_pcmcia_softc), nca_pcmcia_match, nca_pcmcia_attach,
|
|
nca_pcmcia_detach
|
|
};
|
|
|
|
#define MIN_DMA_LEN 128
|
|
|
|
/* Options for disconnect/reselect, DMA, and interrupts. */
|
|
#define NCA_NO_DISCONNECT 0x00ff
|
|
#define NCA_NO_PARITY_CHK 0xff00
|
|
|
|
const struct pcmcia_product nca_pcmcia_products[] = {
|
|
|
|
{ NULL }
|
|
};
|
|
|
|
int
|
|
nca_pcmcia_match(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct pcmcia_attach_args *pa = aux;
|
|
|
|
if (pcmcia_product_lookup(pa, nca_pcmcia_products,
|
|
sizeof nca_pcmcia_products[0], NULL) != NULL)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
nca_pcmcia_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct nca_pcmcia_softc *esc = (void *)self;
|
|
struct ncr5380_softc *sc = &esc->sc_ncr5380;
|
|
struct pcmcia_attach_args *pa = aux;
|
|
struct pcmcia_config_entry *cfe;
|
|
struct pcmcia_function *pf = pa->pf;
|
|
const struct pcmcia_product *pp;
|
|
int flags;
|
|
|
|
esc->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, 0, &esc->sc_pcioh) == 0)
|
|
break;
|
|
}
|
|
|
|
if (cfe == 0) {
|
|
printf(": can't alloc i/o space\n");
|
|
goto no_config_entry;
|
|
}
|
|
|
|
/* Enable the card. */
|
|
pcmcia_function_init(pf, cfe);
|
|
if (pcmcia_function_enable(pf)) {
|
|
printf(": function enable failed\n");
|
|
goto enable_failed;
|
|
}
|
|
|
|
/* Map in the I/O space */
|
|
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, esc->sc_pcioh.size,
|
|
&esc->sc_pcioh, &esc->sc_io_window)) {
|
|
printf(": can't map i/o space\n");
|
|
goto iomap_failed;
|
|
}
|
|
|
|
pp = pcmcia_product_lookup(pa, nca_pcmcia_products,
|
|
sizeof nca_pcmcia_products[0], NULL);
|
|
if (pp == NULL) {
|
|
printf("\n");
|
|
panic("nca_pcmcia_attach: impossible");
|
|
}
|
|
|
|
printf(": %s\n", pp->pp_name);
|
|
|
|
/* We can enable and disable the controller. */
|
|
sc->sc_adapter.adapt_enable = nca_pcmcia_enable;
|
|
|
|
/* Reset into 5380-compat. mode */
|
|
bus_space_write_1(esc->sc_pcioh.iot, esc->sc_pcioh.ioh, C400_CSR,
|
|
C400_CSR_5380_ENABLE);
|
|
|
|
/* Initialize 5380 compatible register offsets. */
|
|
sc->sci_r0 = C400_5380_REG_OFFSET + 0;
|
|
sc->sci_r1 = C400_5380_REG_OFFSET + 1;
|
|
sc->sci_r2 = C400_5380_REG_OFFSET + 2;
|
|
sc->sci_r3 = C400_5380_REG_OFFSET + 3;
|
|
sc->sci_r4 = C400_5380_REG_OFFSET + 4;
|
|
sc->sci_r5 = C400_5380_REG_OFFSET + 5;
|
|
sc->sci_r6 = C400_5380_REG_OFFSET + 6;
|
|
sc->sci_r7 = C400_5380_REG_OFFSET + 7;
|
|
|
|
sc->sc_rev = NCR_VARIANT_NCR53C400;
|
|
|
|
/*
|
|
* MD function pointers used by the MI code.
|
|
*/
|
|
sc->sc_pio_out = ncr5380_pio_out;
|
|
sc->sc_pio_in = ncr5380_pio_in;
|
|
sc->sc_dma_alloc = NULL;
|
|
sc->sc_dma_free = NULL;
|
|
sc->sc_dma_setup = NULL;
|
|
sc->sc_dma_start = NULL;
|
|
sc->sc_dma_poll = NULL;
|
|
sc->sc_dma_eop = NULL;
|
|
sc->sc_dma_stop = NULL;
|
|
sc->sc_intr_on = NULL;
|
|
sc->sc_intr_off = NULL;
|
|
|
|
|
|
/*
|
|
* Support the "options" (config file flags).
|
|
* Disconnect/reselect is a per-target mask.
|
|
* Interrupts and DMA are per-controller.
|
|
*/
|
|
#if 0
|
|
flags = 0x0000; /* no options */
|
|
#else
|
|
flags = 0xffff; /* all options except force poll */
|
|
#endif
|
|
|
|
sc->sc_no_disconnect = (flags & NCA_NO_DISCONNECT);
|
|
sc->sc_parity_disable = (flags & NCA_NO_PARITY_CHK) >> 8;
|
|
sc->sc_min_dma_len = MIN_DMA_LEN;
|
|
|
|
/*
|
|
* Initialize fields used by the MI code
|
|
*/
|
|
sc->sc_regt = esc->sc_pcioh.iot;
|
|
sc->sc_regh = esc->sc_pcioh.ioh;
|
|
|
|
/*
|
|
* Initialize nca board itself.
|
|
*/
|
|
esc->sc_flags |= NCA_PCMCIA_ATTACHING;
|
|
ncr5380_attach(sc);
|
|
esc->sc_flags &= ~NCA_PCMCIA_ATTACHING;
|
|
esc->sc_flags |= NCA_PCMCIA_ATTACHED;
|
|
return;
|
|
|
|
iomap_failed:
|
|
/* Disable the device. */
|
|
pcmcia_function_disable(esc->sc_pf);
|
|
|
|
enable_failed:
|
|
/* Unmap our I/O space. */
|
|
pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh);
|
|
|
|
no_config_entry:
|
|
return;
|
|
}
|
|
|
|
int
|
|
nca_pcmcia_detach(self, flags)
|
|
struct device *self;
|
|
int flags;
|
|
{
|
|
struct nca_pcmcia_softc *esc = (void *)self;
|
|
int error;
|
|
|
|
if ((esc->sc_flags & NCA_PCMCIA_ATTACHED) == 0) {
|
|
/* Nothing to detach. */
|
|
return (0);
|
|
}
|
|
|
|
if ((error = ncr5380_detach(&esc->sc_ncr5380, flags)) != 0)
|
|
return (error);
|
|
|
|
/* Unmap our i/o window and i/o space. */
|
|
pcmcia_io_unmap(esc->sc_pf, esc->sc_io_window);
|
|
pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
nca_pcmcia_enable(arg, onoff)
|
|
struct device *arg;
|
|
int onoff;
|
|
{
|
|
struct nca_pcmcia_softc *esc = (struct nca_pcmcia_softc*)arg;
|
|
|
|
if (onoff) {
|
|
/* Establish the interrupt handler. */
|
|
esc->sc_ih = pcmcia_intr_establish(esc->sc_pf, IPL_BIO,
|
|
ncr5380_intr, &esc->sc_ncr5380);
|
|
if (esc->sc_ih == NULL) {
|
|
printf("%s: couldn't establish interrupt handler\n",
|
|
esc->sc_ncr5380.sc_dev.dv_xname);
|
|
return (EIO);
|
|
}
|
|
|
|
/*
|
|
* If attach is in progress, we know that card power is
|
|
* enabled and chip will be initialized later.
|
|
* Otherwise, enable and reset now.
|
|
*/
|
|
if ((esc->sc_flags & NCA_PCMCIA_ATTACHING) == 0) {
|
|
if (pcmcia_function_enable(esc->sc_pf)) {
|
|
printf("%s: couldn't enable PCMCIA function\n",
|
|
esc->sc_ncr5380.sc_dev.dv_xname);
|
|
pcmcia_intr_disestablish(esc->sc_pf,
|
|
esc->sc_ih);
|
|
return (EIO);
|
|
}
|
|
|
|
/* Initialize only chip. */
|
|
ncr5380_init(&esc->sc_ncr5380);
|
|
}
|
|
} else {
|
|
pcmcia_function_disable(esc->sc_pf);
|
|
pcmcia_intr_disestablish(esc->sc_pf, esc->sc_ih);
|
|
}
|
|
|
|
return (0);
|
|
}
|