ISA routines for the Intel 82365SL PCIC controllers.

3 files changed, 543 insertions, 0 deletions

diff --git a/sys/dev/isa/i82365_isa.c b/sys/dev/isa/i82365_isa.c
new file mode 100644
index 00000000000..dc62cab308c
--- /dev/null
+++ b/sys/dev/isa/i82365_isa.c
@@ -0,0 +1,231 @@
+/*	$OpenBSD: i82365_isa.c,v 1.1 1998/09/11 08:02:50 fgsch Exp $	*/
+/*	$NetBSD: i82365_isa.c,v 1.11 1998/06/09 07:25:00 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1997 Marc Horowitz.  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 Marc Horowitz.
+ * 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/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/extent.h>
+#include <sys/malloc.h>
+
+#include <vm/vm.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+#include <dev/pcmcia/pcmciareg.h>
+#include <dev/pcmcia/pcmciavar.h>
+#include <dev/pcmcia/pcmciachip.h>
+
+#include <dev/ic/i82365reg.h>
+#include <dev/ic/i82365var.h>
+#include <dev/isa/i82365_isavar.h>
+
+#ifdef PCICISADEBUG
+int	pcicisa_debug = 1 /* XXX */ ;
+#define	DPRINTF(arg) if (pcicisa_debug) printf arg;
+#else
+#define	DPRINTF(arg)
+#endif
+
+int	pcic_isa_probe __P((struct device *, void *, void *));
+void	pcic_isa_attach __P((struct device *, struct device *, void *));
+
+void	*pcic_isa_chip_intr_establish __P((pcmcia_chipset_handle_t,
+	    struct pcmcia_function *, int, int (*) (void *), void *));
+void	pcic_isa_chip_intr_disestablish __P((pcmcia_chipset_handle_t, void *));
+
+struct cfattach pcic_isa_ca = {
+	sizeof(struct pcic_softc), pcic_isa_probe, pcic_isa_attach
+};
+
+static struct pcmcia_chip_functions pcic_isa_functions = {
+	pcic_chip_mem_alloc,
+	pcic_chip_mem_free,
+	pcic_chip_mem_map,
+	pcic_chip_mem_unmap,
+
+	pcic_chip_io_alloc,
+	pcic_chip_io_free,
+	pcic_chip_io_map,
+	pcic_chip_io_unmap,
+
+	pcic_isa_chip_intr_establish,
+	pcic_isa_chip_intr_disestablish,
+
+	pcic_chip_socket_enable,
+	pcic_chip_socket_disable,
+};
+
+int
+pcic_isa_probe(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct isa_attach_args *ia = aux;
+	bus_space_tag_t iot = ia->ia_iot;
+	bus_space_handle_t ioh, memh;
+	int val, found;
+
+	/* Disallow wildcarded i/o address. */
+	if (ia->ia_iobase == -1 /* ISACF_PORT_DEFAULT */)
+		return (0);
+
+	if (bus_space_map(iot, ia->ia_iobase, PCIC_IOSIZE, 0, &ioh))
+		return (0);
+
+	if (ia->ia_msize == -1)
+		ia->ia_msize = PCIC_MEMSIZE;
+
+	if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &memh))
+		return (0);
+
+	found = 0;
+
+	/*
+	 * this could be done with a loop, but it would violate the
+	 * abstraction
+	 */
+
+	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
+
+	val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
+
+	if (pcic_ident_ok(val))
+		found++;
+
+
+	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT);
+
+	val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
+
+	if (pcic_ident_ok(val))
+		found++;
+
+
+	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT);
+
+	val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
+
+	if (pcic_ident_ok(val))
+		found++;
+
+
+	bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT);
+
+	val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
+
+	if (pcic_ident_ok(val))
+		found++;
+
+
+	bus_space_unmap(iot, ioh, PCIC_IOSIZE);
+	bus_space_unmap(ia->ia_memt, memh, ia->ia_msize);
+
+	if (!found)
+		return (0);
+
+	ia->ia_iosize = PCIC_IOSIZE;
+
+	return (1);
+}
+
+void
+pcic_isa_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct pcic_softc *sc = (void *) self;
+	struct isa_attach_args *ia = aux;
+	isa_chipset_tag_t ic = ia->ia_ic;
+	bus_space_tag_t iot = ia->ia_iot;
+	bus_space_tag_t memt = ia->ia_memt;
+	bus_space_handle_t ioh;
+	bus_space_handle_t memh;
+
+	/* Map i/o space. */
+	if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) {
+		printf(": can't map i/o space\n");
+		return;
+	}
+
+	/* Map mem space. */
+	if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) {
+		printf(": can't map mem space\n");
+		return;
+	}
+
+	sc->membase = ia->ia_maddr;
+	sc->subregionmask = (1 << (ia->ia_msize / PCIC_MEM_PAGESIZE)) - 1;
+
+	sc->intr_est = ic;
+	sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
+
+	sc->iot = iot;
+	sc->ioh = ioh;
+	sc->memt = memt;
+	sc->memh = memh;
+
+	/*
+	 * allocate an irq.  it will be used by both controllers.  I could
+	 * use two different interrupts, but interrupts are relatively
+	 * scarce, shareable, and for PCIC controllers, very infrequent.
+	 */
+
+	if ((sc->irq = ia->ia_irq) == IRQUNK) {
+		if (isa_intr_alloc(ic,
+		    PCIC_CSC_INTR_IRQ_VALIDMASK & pcic_isa_intr_alloc_mask,
+		    IST_EDGE, &sc->irq)) {
+			printf("\n%s: can't allocate interrupt\n",
+			    sc->dev.dv_xname);
+			return;
+		}
+		printf(": using irq %d", sc->irq);
+	}
+	printf("\n");
+
+	pcic_attach(sc);
+
+	pcic_isa_bus_width_probe (sc, iot, ioh, ia->ia_iobase, ia->ia_iosize);
+
+	sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY,
+	    pcic_intr, sc, sc->dev.dv_xname);
+	if (sc->ih == NULL) {
+		printf("%s: can't establish interrupt\n", sc->dev.dv_xname);
+		return;
+	}
+
+	pcic_attach_sockets(sc);
+}
diff --git a/sys/dev/isa/i82365_isasubr.c b/sys/dev/isa/i82365_isasubr.c
new file mode 100644
index 00000000000..e58764c3a9e
--- /dev/null
+++ b/sys/dev/isa/i82365_isasubr.c
@@ -0,0 +1,262 @@
+/*	$OpenBSD: i82365_isasubr.c,v 1.1 1998/09/11 08:02:50 fgsch Exp $	*/
+/*	$NetBSD: i82365_isasubr.c,v 1.1 1998/06/07 18:28:31 sommerfe Exp $  */
+
+/*
+ * Copyright (c) 1998 Bill Sommerfeld.  All rights reserved.
+ * Copyright (c) 1997 Marc Horowitz.  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 Marc Horowitz.
+ * 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/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/extent.h>
+#include <sys/malloc.h>
+
+#include <vm/vm.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+#include <dev/pcmcia/pcmciareg.h>
+#include <dev/pcmcia/pcmciavar.h>
+#include <dev/pcmcia/pcmciachip.h>
+
+#include <dev/ic/i82365reg.h>
+#include <dev/ic/i82365var.h>
+#include <dev/isa/i82365_isavar.h>
+
+/*****************************************************************************
+ * Configurable parameters.
+ *****************************************************************************/
+
+/*
+ * Default I/O allocation range.  If both are set to non-zero, these
+ * values will be used instead.  Otherwise, the code attempts to probe
+ * the bus width.  Systems with 10 address bits should use 0x300 and 0xff.
+ * Systems with 12 address bits (most) should use 0x400 and 0xbff.
+ */
+
+#ifndef PCIC_ISA_ALLOC_IOBASE
+#define	PCIC_ISA_ALLOC_IOBASE		0
+#endif
+
+#ifndef PCIC_ISA_ALLOC_IOSIZE
+#define	PCIC_ISA_ALLOC_IOSIZE		0
+#endif
+
+int	pcic_isa_alloc_iobase = PCIC_ISA_ALLOC_IOBASE;
+int	pcic_isa_alloc_iosize = PCIC_ISA_ALLOC_IOSIZE;
+
+
+/*
+ * Default IRQ allocation bitmask.  This defines the range of allowable
+ * IRQs for PCMCIA slots.  Useful if order of probing would screw up other
+ * devices, or if PCIC hardware/cards have trouble with certain interrupt
+ * lines.
+ *
+ * We disable IRQ 10 by default, since some common laptops (namely, the
+ * NEC Versa series) reserve IRQ 10 for the docking station SCSI interface.
+ */
+
+#ifndef PCIC_ISA_INTR_ALLOC_MASK
+#define	PCIC_ISA_INTR_ALLOC_MASK	0xfbff
+#endif
+
+int	pcic_isa_intr_alloc_mask = PCIC_ISA_INTR_ALLOC_MASK;
+
+/*****************************************************************************
+ * End of configurable parameters.
+ *****************************************************************************/
+
+#ifdef PCICISADEBUG
+int	pcicsubr_debug = 1 /* XXX */ ;
+#define	DPRINTF(arg) if (pcicsubr_debug) printf arg;
+#else
+#define	DPRINTF(arg)
+#endif
+
+void pcic_isa_bus_width_probe (sc, iot, ioh, base, length)
+	struct pcic_softc *sc;
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	bus_addr_t base;
+	u_int32_t length;
+{
+	bus_space_handle_t ioh_high;
+	int i, iobuswidth, tmp1, tmp2;
+
+	/*
+	 * figure out how wide the isa bus is.  Do this by checking if the
+	 * pcic controller is mirrored 0x400 above where we expect it to be.
+	 */
+
+	iobuswidth = 12;
+
+	/* Map i/o space. */
+	if (bus_space_map(iot, base + 0x400, length, 0, &ioh_high)) {
+		printf("%s: can't map high i/o space\n", sc->dev.dv_xname);
+		return;
+	}
+
+	for (i = 0; i < PCIC_NSLOTS; i++) {
+		if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) {
+			/*
+			 * read the ident flags from the normal space and
+			 * from the mirror, and compare them
+			 */
+
+			bus_space_write_1(iot, ioh, PCIC_REG_INDEX,
+			    sc->handle[i].sock + PCIC_IDENT);
+			tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
+
+			bus_space_write_1(iot, ioh_high, PCIC_REG_INDEX,
+			    sc->handle[i].sock + PCIC_IDENT);
+			tmp2 = bus_space_read_1(iot, ioh_high, PCIC_REG_DATA);
+
+			if (tmp1 == tmp2)
+				iobuswidth = 10;
+		}
+	}
+
+	bus_space_free(iot, ioh_high, length);
+
+	/*
+	 * XXX mycroft recommends I/O space range 0x400-0xfff .  I should put
+	 * this in a header somewhere
+	 */
+
+	/*
+	 * XXX some hardware doesn't seem to grok addresses in 0x400 range--
+	 * apparently missing a bit or more of address lines. (e.g.
+	 * CIRRUS_PD672X with Linksys EthernetCard ne2000 clone in TI
+	 * TravelMate 5000--not clear which is at fault)
+	 * 
+	 * Add a kludge to detect 10 bit wide buses and deal with them,
+	 * and also a config file option to override the probe.
+	 */
+
+	if (iobuswidth == 10) {
+		sc->iobase = 0x300;
+		sc->iosize = 0x0ff;
+	} else {
+#if 0
+		/*
+		 * This is what we'd like to use, but...
+		 */
+		sc->iobase = 0x400;
+		sc->iosize = 0xbff;
+#else
+		/*
+		 * ...the above bus width probe doesn't always work.
+		 * So, experimentation has shown the following range
+		 * to not lose on systems that 0x300-0x3ff loses on
+		 * (e.g. the NEC Versa 6030X).
+		 */
+		sc->iobase = 0x330;
+		sc->iosize = 0x0cf;
+#endif
+	}
+
+	DPRINTF(("%s: bus_space_alloc range 0x%04lx-0x%04lx (probed)\n",
+	    sc->dev.dv_xname, (long) sc->iobase,
+
+	    (long) sc->iobase + sc->iosize));
+
+	if (pcic_isa_alloc_iobase && pcic_isa_alloc_iosize) {
+		sc->iobase = pcic_isa_alloc_iobase;
+		sc->iosize = pcic_isa_alloc_iosize;
+
+		DPRINTF(("%s: bus_space_alloc range 0x%04lx-0x%04lx "
+		    "(config override)\n", sc->dev.dv_xname, (long) sc->iobase,
+		    (long) sc->iobase + sc->iosize));
+	}
+}
+
+
+void *
+pcic_isa_chip_intr_establish(pch, pf, ipl, fct, arg)
+	pcmcia_chipset_handle_t pch;
+	struct pcmcia_function *pf;
+	int ipl;
+	int (*fct) __P((void *));
+	void *arg;
+{
+	struct pcic_handle *h = (struct pcic_handle *) pch;
+	isa_chipset_tag_t ic = h->sc->intr_est;
+	int irq, ist;
+	void *ih;
+	int reg;
+
+	if (pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)
+		ist = IST_LEVEL;
+	else if (pf->cfe->flags & PCMCIA_CFE_IRQPULSE)
+		ist = IST_PULSE;
+	else
+		ist = IST_LEVEL;
+
+	if (isa_intr_alloc(ic,
+	    PCIC_INTR_IRQ_VALIDMASK & pcic_isa_intr_alloc_mask, ist, &irq))
+		return (NULL);
+	if ((ih = isa_intr_establish(ic, irq, ist, ipl,
+	    fct, arg, h->pcmcia->dv_xname)) == NULL)
+		return (NULL);
+
+	reg = pcic_read(h, PCIC_INTR);
+	reg &= ~PCIC_INTR_IRQ_MASK;
+	reg |= irq;
+	pcic_write(h, PCIC_INTR, reg);
+
+	h->ih_irq = irq;
+
+	printf("%s: card irq %d\n", h->pcmcia->dv_xname, irq);
+
+	return (ih);
+}
+
+void 
+pcic_isa_chip_intr_disestablish(pch, ih)
+	pcmcia_chipset_handle_t pch;
+	void *ih;
+{
+	struct pcic_handle *h = (struct pcic_handle *) pch;
+	isa_chipset_tag_t ic = h->sc->intr_est;
+	int reg;
+
+	h->ih_irq = 0;
+
+	reg = pcic_read(h, PCIC_INTR);
+	reg &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE);
+	pcic_write(h, PCIC_INTR, reg);
+
+	isa_intr_disestablish(ic, ih);
+}
diff --git a/sys/dev/isa/i82365_isavar.h b/sys/dev/isa/i82365_isavar.h
new file mode 100644
index 00000000000..446261a39da
--- /dev/null
+++ b/sys/dev/isa/i82365_isavar.h
@@ -0,0 +1,50 @@
+/*	$OpenBSD: i82365_isavar.h,v 1.1 1998/09/11 08:02:51 fgsch Exp $	*/
+/*	$NetBSD: i82365_isavar.h,v 1.1 1998/06/07 18:28:31 sommerfe Exp $  */
+
+/*
+ * Copyright (c) 1998 Bill Sommerfeld.  All rights reserved.
+ * Copyright (c) 1997 Marc Horowitz.  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 Marc Horowitz.
+ * 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.
+ */
+
+extern int pcic_isa_intr_alloc_mask;
+
+/* 
+ * Establish/disestablish interrupts for PCMCIA functions.
+ */
+
+void	*pcic_isa_chip_intr_establish __P((pcmcia_chipset_handle_t,
+	    struct pcmcia_function *, int, int (*) (void *), void *));
+void	pcic_isa_chip_intr_disestablish __P((pcmcia_chipset_handle_t, void *));
+
+/*
+ * Figure out how wide the ISA bus is...
+ */
+
+void pcic_isa_bus_width_probe __P((struct pcic_softc *, bus_space_tag_t,
+				   bus_space_handle_t, bus_addr_t, u_int32_t));
+