Attachment 10070 Details for Bug 20338 – file.diff

[patch] file.diff

file.diff (text/plain), 6.65 KB, created by vak on 2000-08-01 09:20:03 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: vak

Created: 2000-08-01 09:20:03 UTC

Size: 6.65 KB

patch

obsolete

>--- /dev/null	Tue Aug  1 10:55:27 2000
>+++ sio_pci.c	Tue Aug  1 11:38:12 2000
>@@ -0,0 +1,277 @@
>+/*
>+ * Serial driver for non-intelligent PCI multiport adapters.
>+ * Implements the probe, attach and interrupt dispatcher,
>+ * and uses sio.c for the most part of work.
>+ * The PCI ports get unit numbers _after_ the ISA sio ports.
>+ * Option COM_MULTIPORT is not necessary.
>+ *
>+ * Copyright (C) 2000 Cronyx Engineering Ltd.
>+ * Author: Serge Vakulenko <vak@cronyx.ru>
>+ *
>+ * Supports:
>+ *	Cronyx Omega-PCI adapter, by Serge Vakulenko <vak@cronyx.ru>
>+ *
>+ * This software is distributed with NO WARRANTIES, not even the implied
>+ * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>+ *
>+ * Authors grant any other persons or organisations permission to use
>+ * or modify this software as long as this message is kept with the software,
>+ * all derivative works or modified versions.
>+ */
>+#include <sys/param.h>
>+#include <sys/systm.h>
>+#include <sys/kernel.h>
>+#include <sys/timepps.h>
>+#include <sys/tty.h>
>+#include <vm/vm.h>
>+#include <vm/pmap.h>
>+#include <machine/bus.h>
>+#ifndef SMP
>+#include <machine/lock.h>
>+#endif
>+#include <machine/resource.h>
>+#include <sys/bus.h>
>+#include <sys/rman.h>
>+#include <pci/pcivar.h>
>+#if __FreeBSD_version >= 400000
>+#include <isa/siovar.h>
>+#include <isa/sioreg.h>
>+#else
>+#include <sys/malloc.h>
>+#include <sys/interrupt.h>
>+#include <i386/isa/siovar.h>
>+#include <i386/isa/sioreg.h>
>+#endif
>+#include <isa/ic/ns16550.h>
>+
>+#include "sio.h"
>+
>+#define MAXCHAN		8
>+
>+#ifndef __i386__
>+#define disable_intr()
>+#define enable_intr()
>+#endif
>+
>+#ifdef SMP
>+#define disable_intr()	COM_DISABLE_INTR()
>+#define enable_intr()	COM_ENABLE_INTR()
>+#endif /* SMP */
>+
>+typedef struct _sio_pci_t {
>+	int		nchan;
>+	int		fifo_size;
>+	int		base_reg;
>+	int		hw_rts_cts;
>+	Port_t		iobase;
>+	Port_t		iostep;
>+	struct resource	*res;
>+	struct resource	*irq;
>+	void		*intrhand;
>+	struct com_s	com [MAXCHAN];
>+} sio_pci_t;
>+
>+static void sio_pci_intr	__P((void *arg));
>+
>+static int sio_pci_numunits = NSIO;
>+
>+#if __FreeBSD_version >= 400000
>+/*
>+ * FreeBSD version 4.x
>+ */
>+static int sio_pci_probe	__P((device_t));
>+static int sio_pci_attach	__P((device_t));
>+
>+static devclass_t siopci_devclass;
>+
>+static device_method_t sio_pci_methods[] = {
>+	/* Device interface */
>+	DEVMETHOD(device_probe,		sio_pci_probe),
>+	DEVMETHOD(device_attach,	sio_pci_attach),
>+	{ 0, 0 }
>+};
>+
>+static driver_t sio_pci_driver = {
>+	"siopci",
>+	sio_pci_methods,
>+	sizeof(sio_pci_t)
>+};
>+DRIVER_MODULE(sio_pci, pci, sio_pci_driver, siopci_devclass, 0, 0);
>+
>+#else
>+/*
>+ * FreeBSD version 3.x
>+ */
>+static const char *sio_pci_probe	__P((pcici_t, pcidi_t));
>+static void sio_pci_attach		__P((pcici_t, int));
>+
>+static u_long sio_pci_count;
>+
>+static struct pci_device sio_pci_device = {
>+        "siopci",
>+        sio_pci_probe,
>+        sio_pci_attach,
>+        &sio_pci_count,
>+        NULL
>+};
>+DATA_SET(pcidevice_set, sio_pci_device);
>+
>+#endif /* __FreeBSD_version >= 400000 */
>+
>+#if __FreeBSD_version >= 400000
>+static int
>+sio_pci_probe(dev)
>+	device_t	dev;
>+{
>+	u_long device_id = pci_get_vendor(dev) | pci_get_device(dev) << 16;
>+#else
>+static const char *
>+sio_pci_probe(config_id, device_id)
>+	pcici_t config_id;
>+	pcidi_t device_id;
>+{
>+#endif
>+	const char *desc = 0;
>+
>+	if (device_id == 0xc00110b5)
>+		desc = "Cronyx-Omega-PCI Serial Adapter";
>+#ifdef notyet
>+	/* Add your device here. */
>+	else if (device_id == 0xXXXXXXXX)
>+		desc = "XXX";
>+#endif
>+
>+#if __FreeBSD_version >= 400000
>+	if (! desc)
>+		return ENXIO;
>+	device_set_desc(dev, desc);
>+	return 0;
>+#else
>+	return desc;
>+#endif
>+}
>+
>+#if __FreeBSD_version >= 400000
>+static int
>+sio_pci_attach(dev)
>+	device_t	dev;
>+{
>+	u_long		device_id = pci_get_vendor(dev) |
>+				    pci_get_device(dev) << 16;
>+	sio_pci_t	*d = device_get_softc(dev);
>+	int		rid;
>+#define PCI_READ_CONFIG(reg) pci_read_config(dev, reg, 4)
>+#else
>+static void
>+sio_pci_attach(config_id, unit)
>+	pcici_t config_id;
>+	int unit;
>+{
>+	u_long device_id = config_id->vendor | config_id->device << 16;
>+	sio_pci_t	*d = malloc(sizeof *d, M_DEVBUF, M_WAITOK);
>+#define PCI_READ_CONFIG(reg) pci_conf_read(config_id, reg)
>+#endif
>+	struct com_s	*com;
>+	int		s, err = 0;
>+
>+	bzero((char*)d, sizeof(*d));
>+	s = splimp();
>+
>+	/* Default values. */
>+	d->nchan = 8;			/* channels per adapter */
>+	d->iostep = 8;			/* addresses per channel */
>+	d->base_reg = 0x18;		/* pci register: base addr2 */
>+
>+	/* Device dependent values. */
>+	if (device_id == 0xc00110b5) {
>+		d->fifo_size = 64;	/* fifo size in bytes */
>+		d->hw_rts_cts = 1;	/* hardware rts/cts support */
>+	}
>+#ifdef notyet
>+	else if (device_id == 0xXXXXXXXX) {
>+		/* Add your device here. */
>+	}
>+#endif
>+
>+#if __FreeBSD_version >= 400000
>+	/* Allocate i/o region. */
>+	rid = d->base_reg;
>+	d->res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
>+		RF_ACTIVE);
>+	if (! d->res) {
>+		printf("sio%d: couldn't map ports/memory\n", sio_pci_numunits);
>+		err = ENXIO;
>+		goto fail;
>+	}
>+
>+	/* Allocate interrupt. */
>+	rid = 0;
>+	d->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
>+		RF_SHAREABLE | RF_ACTIVE);
>+	if (! d->irq) {
>+		printf("sio%d: couldn't map interrupt\n", sio_pci_numunits);
>+		err = ENXIO;
>+		goto fail;
>+	}
>+
>+	/* Register the interrupt handler. */
>+	err = bus_setup_intr(dev, d->irq, INTR_TYPE_TTY | INTR_TYPE_FAST,
>+		sio_pci_intr, d, &d->intrhand);
>+#else
>+	err = ! pci_map_int_right(config_id, sio_pci_intr, d, &tty_imask,
>+		INTR_FAST);
>+#endif
>+	if (err) {
>+		printf("sio%d: couldn't set up irq\n", sio_pci_numunits);
>+#if __FreeBSD_version >= 400000
>+fail:		if (d->res)
>+			bus_release_resource(dev, SYS_RES_IOPORT,
>+				d->base_reg, d->res);
>+		if (d->irq)
>+			bus_release_resource(dev, SYS_RES_IRQ, 0, d->irq);
>+#endif
>+		goto done;
>+	}
>+
>+	/* Attach sio ports. */
>+	d->iobase = PCI_READ_CONFIG (d->base_reg) & ~3;
>+	for (com=d->com; com<d->com+d->nchan; ++com) {
>+		com->iobase = d->iobase + (com - d->com) * d->iostep;
>+
>+		/* Interrupt enable, do it _before_ sio_attach_unit. */
>+		outb(com->iobase + com_mcr, MCR_IENABLE);
>+
>+		if (sio_attach_unit(com, sio_pci_numunits++, com->iobase,
>+		    d->fifo_size << 24, 0) != 0)
>+			printf("sio%d: cannot attach\n", sio_pci_numunits);
>+
>+		/* Must do this _after_ sio_attach_unit. */
>+		com->st16650a = d->hw_rts_cts;
>+	}
>+done:
>+	splx (s);
>+#if __FreeBSD_version >= 400000
>+	return err;
>+#endif
>+}
>+
>+static void
>+sio_pci_intr(arg)
>+	void		*arg;
>+{
>+	sio_pci_t	*d = arg;
>+	struct com_s	*com;
>+	bool_t		possibly_more_intrs;
>+
>+	disable_intr();
>+	do {
>+		possibly_more_intrs = FALSE;
>+		for (com=d->com; com<d->com+d->nchan; ++com) {
>+			if ((inb(com->int_id_port) & IIR_IMASK) != IIR_NOPEND) {
>+				siointr1(com);
>+				possibly_more_intrs = TRUE;
>+			}
>+		}
>+	} while (possibly_more_intrs);
>+	enable_intr();
>+}

Actions: View | Diff

Attachments on bug 20338: 10070