Add PC-Card/ISA SCSI host adpater drivers from NetBSD/pc98

(a NetBSD port for NEC PC-98x1 machines). They are ncv for NCR 53C500,
nsp for Workbit Ninja SCSI-3, and stg for TMC 18C30 and 18C50.

I thank NetBSD/pc98 and bsd-nomads people.

Obtained from:	NetBSD/pc98

1 files changed, 399 insertions, 0 deletions

diff --git a/sys/dev/stg/tmc18c30_pccard.c b/sys/dev/stg/tmc18c30_pccard.c
new file mode 100644
index 0000000..e9ceef9
--- /dev/null
+++ b/sys/dev/stg/tmc18c30_pccard.c
@@ -0,0 +1,399 @@
+/*	$FreeBSD$	*/
+/*	$NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $	*/
+/*	$NetBSD$	*/
+
+/*
+ * [Ported for FreeBSD]
+ *  Copyright (c) 2000
+ *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
+ *      All rights reserved.
+ * [NetBSD for NEC PC-98 series]
+ *  Copyright (c) 1996, 1997, 1998
+ *	NetBSD/pc98 porting staff. All rights reserved.
+ *  Copyright (c) 1996, 1997, 1998
+ *	Naofumi HONDA. All rights reserved.
+ *  Copyright (c) 1996, 1997, 1998
+ *	Kouichi Matsuda. 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. 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/disklabel.h>
+#if defined(__FreeBSD__) && __FreeBSD_version >= 500001
+#include <sys/bio.h>
+#endif
+#include <sys/buf.h>
+#include <sys/queue.h>
+#include <sys/malloc.h>
+#include <sys/errno.h>
+
+#include <vm/vm.h>
+
+#include <machine/bus.h>
+
+#include <machine/bus_pio.h>
+#include <i386/isa/isa_device.h>
+
+#include <machine/dvcfg.h>
+
+#if defined(__FreeBSD__) && __FreeBSD_version < 400001
+static struct stg_softc *stg_get_softc(int);
+extern struct stg_softc *stgdata[];
+#define DEVPORT_ALLOCSOFTCFUNC stg_get_softc
+#define DEVPORT_SOFTCARRAY     stgdata
+#endif
+#include <sys/device_port.h>
+
+#include <cam/scsi/scsi_low.h>
+#include <cam/scsi/scsi_low_pisa.h>
+
+#include <dev/stg/tmc18c30reg.h>
+#include <dev/stg/tmc18c30var.h>
+#if defined(__FreeBSD__) && __FreeBSD_version < 400001
+#include "stg.h"
+#endif
+
+#define	STG_HOSTID	7
+
+/* pccard support */
+#include "apm.h"
+#if NAPM > 0
+#include	<machine/apm_bios.h>
+#endif
+
+#include	"card.h"
+#if NCARD > 0
+#include	<sys/kernel.h>
+#include	<sys/module.h>
+#include	<sys/select.h>
+#include	<pccard/cardinfo.h>
+#include	<pccard/slot.h>
+
+static	int	stgprobe(DEVPORT_PDEVICE devi);
+static	int	stgattach(DEVPORT_PDEVICE devi);
+
+static	int	stg_card_intr	__P((DEVPORT_PDEVICE));
+static	void	stg_card_unload	__P((DEVPORT_PDEVICE));
+#if defined(__FreeBSD__) && __FreeBSD_version < 400001
+static	int	stg_card_init	__P((DEVPORT_PDEVICE));
+#endif
+
+#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
+/*
+ * Additional code for FreeBSD new-bus PCCard frontend
+ */
+
+static void
+stg_pccard_intr(void * arg)
+{
+	stgintr(arg);
+}
+
+static void
+stg_release_resource(DEVPORT_PDEVICE dev)
+{
+	struct stg_softc	*sc = device_get_softc(dev);
+
+	if (sc->stg_intrhand) {
+		bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
+	}
+
+	if (sc->port_res) {
+		bus_release_resource(dev, SYS_RES_IOPORT,
+				     sc->port_rid, sc->port_res);
+	}
+
+	if (sc->irq_res) {
+		bus_release_resource(dev, SYS_RES_IRQ,
+				     sc->irq_rid, sc->irq_res);
+	}
+
+	if (sc->mem_res) {
+		bus_release_resource(dev, SYS_RES_MEMORY,
+				     sc->mem_rid, sc->mem_res);
+	}
+}
+
+static int
+stg_alloc_resource(DEVPORT_PDEVICE dev)
+{
+	struct stg_softc	*sc = device_get_softc(dev);
+	u_long			maddr, msize;
+	int			error;
+
+	sc->port_rid = 0;
+	sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
+					  0, ~0, STGIOSZ, RF_ACTIVE);
+	if (sc->port_res == NULL) {
+		stg_release_resource(dev);
+		return(ENOMEM);
+	}
+
+	sc->irq_rid = 0;
+	sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
+					 0, ~0, 1, RF_ACTIVE);
+	if (sc->irq_res == NULL) {
+		stg_release_resource(dev);
+		return(ENOMEM);
+	}
+
+	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
+	if (error) {
+		return(0);      /* XXX */
+	}
+
+	/* no need to allocate memory if not configured */
+	if (maddr == 0 || msize == 0) {
+		return(0);
+	}
+
+	sc->mem_rid = 0;
+	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
+					 0, ~0, msize, RF_ACTIVE);
+	if (sc->mem_res == NULL) {
+		stg_release_resource(dev);
+		return(ENOMEM);
+	}
+
+	return(0);
+}
+
+static int
+stg_pccard_probe(DEVPORT_PDEVICE dev)
+{
+	struct stg_softc	*sc = device_get_softc(dev);
+	int			error;
+
+	bzero(sc, sizeof(struct stg_softc));
+
+	error = stg_alloc_resource(dev);
+	if (error) {
+		return(error);
+	}
+
+	if (stgprobe(dev) == 0) {
+		stg_release_resource(dev);
+		return(ENXIO);
+	}
+
+	stg_release_resource(dev);
+
+	return(0);
+}
+
+static int
+stg_pccard_attach(DEVPORT_PDEVICE dev)
+{
+	struct stg_softc	*sc = device_get_softc(dev);
+	int			error;
+
+	error = stg_alloc_resource(dev);
+	if (error) {
+		return(error);
+	}
+
+	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
+			       stg_pccard_intr, (void *)sc, &sc->stg_intrhand);
+	if (error) {
+		stg_release_resource(dev);
+		return(error);
+	}
+
+	if (stgattach(dev) == 0) {
+		stg_release_resource(dev);
+		return(ENXIO);
+	}
+
+	return(0);
+}
+
+static	void
+stg_pccard_detach(DEVPORT_PDEVICE dev)
+{
+	stg_card_unload(dev);
+	stg_release_resource(dev);
+}
+
+static device_method_t stg_pccard_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		stg_pccard_probe),
+	DEVMETHOD(device_attach,	stg_pccard_attach),
+	DEVMETHOD(device_detach,	stg_pccard_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t stg_pccard_driver = {
+	"stg",
+	stg_pccard_methods,
+	sizeof(struct stg_softc),
+};
+
+static devclass_t stg_devclass;
+
+DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0);
+
+#else
+
+PCCARD_MODULE(stg, stg_card_init,stg_card_unload, stg_card_intr, 0, cam_imask);
+
+#endif
+
+#if defined(__FreeBSD__) && __FreeBSD_version < 400001
+static struct stg_softc *
+stg_get_softc(int unit)
+{
+	struct stg_softc *sc;
+
+	if (unit >= NSTG) {
+		return(NULL);
+	}
+
+	if (stgdata[unit] == NULL) {
+		sc = malloc(sizeof(struct stg_softc), M_TEMP,M_NOWAIT);
+		if (sc == NULL) {
+			printf("stg_get_softc: cannot malloc!\n");
+			return(NULL);
+		}
+		stgdata[unit] = sc;
+	} else {
+		sc = stgdata[unit];
+	}
+
+	return(sc);
+}
+
+static	int
+stg_card_init(DEVPORT_PDEVICE devi)
+{
+	int unit = DEVPORT_PDEVUNIT(devi);
+
+	if (NSTG <= unit)
+		return (ENODEV);
+
+	printf("probe stg\n");
+	if (stgprobe(devi) == 0)
+		return (ENXIO);
+
+	printf("attach stg\n");
+	if (stgattach(devi) == 0)
+		return (ENXIO);
+
+	return (0);
+}
+#endif
+
+static	void
+stg_card_unload(DEVPORT_PDEVICE devi)
+{
+	struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
+
+	printf("%s: unload\n",sc->sc_sclow.sl_xname);
+	scsi_low_deactivate((struct scsi_low_softc *)sc);
+        scsi_low_dettach(&sc->sc_sclow);
+}
+
+static	int
+stg_card_intr(DEVPORT_PDEVICE devi)
+{
+	stgintr(DEVPORT_PDEVGET_SOFTC(devi));
+	return 1;
+}
+
+static	int
+stgprobe(DEVPORT_PDEVICE devi)
+{
+	int rv;
+#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
+	struct stg_softc *sc = device_get_softc(devi);
+
+	rv = stgprobesubr(rman_get_bustag(sc->port_res),
+			  rman_get_bushandle(sc->port_res),
+			  DEVPORT_PDEVFLAGS(devi));
+#else
+	rv = stgprobesubr(I386_BUS_SPACE_IO,
+			  DEVPORT_PDEVIOBASE(devi), DEVPORT_PDEVFLAGS(devi));
+#endif
+
+	return rv;
+}
+
+static	int
+stgattach(DEVPORT_PDEVICE devi)
+{
+	int unit = DEVPORT_PDEVUNIT(devi);
+	struct stg_softc *sc;
+	struct scsi_low_softc *slp;
+	u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
+	u_int iobase = DEVPORT_PDEVIOBASE(devi);
+
+	char	dvname[16];
+
+	strcpy(dvname,"stg");
+
+#if defined(__FreeBSD__) && __FreeBSD_version < 400001
+	if (unit >= NSTG)
+	{
+		printf("%s: unit number too high\n",dvname);
+		return (0);
+	}
+#endif
+
+	if (iobase == 0)
+	{
+		printf("%s: no ioaddr is given\n", dvname);
+		return (0);
+	}
+
+	sc = DEVPORT_PDEVALLOC_SOFTC(devi);
+	if (sc == NULL) {
+		return(0);
+	}
+
+	slp = &sc->sc_sclow;
+#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
+	slp->sl_dev = devi;
+	sc->sc_iot = rman_get_bustag(sc->port_res);
+	sc->sc_ioh = rman_get_bushandle(sc->port_res);
+#else
+	bzero(sc, sizeof(struct stg_softc));
+	strcpy(slp->sl_dev.dv_xname, dvname);
+	slp->sl_dev.dv_unit = unit;
+	sc->sc_iot = I386_BUS_SPACE_IO;
+	sc->sc_ioh = iobase;
+#endif
+
+	slp->sl_hostid = STG_HOSTID;
+	slp->sl_cfgflags = flags;
+
+	stgattachsubr(sc);
+
+	sc->sc_ih = stgintr;
+
+	printf("stg%d",DEVPORT_PDEVUNIT(devi));
+	return(STGIOSZ);
+}
+#endif /* NCARD>0 */