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-rw-r--r--sys/dev/idt/idt_pci.c323
1 files changed, 323 insertions, 0 deletions
diff --git a/sys/dev/idt/idt_pci.c b/sys/dev/idt/idt_pci.c
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--- /dev/null
+++ b/sys/dev/idt/idt_pci.c
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+/*
+ * Copyright (c) 2000, 2001 Richard Hodges and Matriplex, inc.
+ * 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 Matriplex, inc.
+ * 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.
+ *
+ ******************************************************************************
+ *
+ * This driver is derived from the Nicstar driver by Mark Tinguely, and
+ * some of the original driver still exists here. Those portions are...
+ * Copyright (c) 1996, 1997, 1998, 1999 Mark Tinguely
+ * All rights reserved.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/mutex.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+
+#include <sys/bus.h>
+#include <sys/conf.h>
+
+#include <sys/module.h>
+#include <machine/bus_memio.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+
+#include <netatm/port.h>
+#include <netatm/queue.h>
+#include <netatm/atm.h>
+#include <netatm/atm_sys.h>
+#include <netatm/atm_sap.h>
+#include <netatm/atm_cm.h>
+#include <netatm/atm_if.h>
+#include <netatm/atm_stack.h>
+#include <netatm/atm_pcb.h>
+#include <netatm/atm_var.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+#include <dev/idt/idtreg.h>
+#include <dev/idt/idtvar.h>
+
+#define IDT_VID 0x111d
+#define IDT_NICSTAR_DID 0x0001
+
+struct pci_type {
+ u_int16_t pci_vid;
+ u_int16_t pci_did;
+ char * pci_name;
+} pci_devs[] = {
+ { IDT_VID, IDT_NICSTAR_DID, "IDT IDT77201/211 NICStAR ATM Adapter" },
+ { 0, 0, NULL }
+};
+
+uma_zone_t idt_nif_zone;
+uma_zone_t idt_vcc_zone;
+
+static int idt_probe (device_t);
+static int idt_attach (device_t);
+static int idt_detach (device_t);
+static int idt_shutdown (device_t);
+static void idt_free (device_t);
+static int idt_modevent (module_t, int, void *);
+
+static int
+idt_probe(device_t dev)
+{
+ struct pci_type *t = pci_devs;
+
+ while(t->pci_name != NULL) {
+ if ((pci_get_vendor(dev) == t->pci_vid) &&
+ (pci_get_device(dev) == t->pci_did)) {
+ device_set_desc(dev, t->pci_name);
+ return(0);
+ }
+ t++;
+ }
+
+ return(ENXIO);
+}
+
+/******************************************************************************
+ *
+ * Attach device
+ *
+ * Date first: 11/14/2000 last: 06/10/2001
+ */
+
+static int
+idt_attach(device_t dev)
+{
+ struct idt_softc *sc;
+ int error;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+ error = 0;
+
+ pci_enable_busmaster(dev);
+
+ /* count = 2 (times 32 PCI clocks) */
+ pci_write_config(dev, PCIR_LATTIMER, 0x20, 1);
+
+ /* Map IDT registers */
+ sc->mem_rid = 0x14;
+ sc->mem_type = SYS_RES_MEMORY;
+ sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
+ 0, ~0, 1, RF_ACTIVE);
+ if (sc->mem == NULL) {
+ device_printf(dev, "could not map registers.\n");
+ error = ENXIO;
+ goto fail;
+ }
+ sc->bustag = rman_get_bustag(sc->mem);
+ sc->bushandle = rman_get_bushandle(sc->mem);
+
+ /* Map interrupt */
+ sc->irq_rid = 0;
+ sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
+ 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
+ if (sc->irq == NULL) {
+ device_printf(dev, "could not map interrupt.\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, nicstar_intr,
+ sc, &sc->irq_ih);
+ if (error) {
+ device_printf(dev, "could not setup irq.\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ sc->virt_baseaddr = (vm_offset_t)rman_get_virtual(sc->mem);
+ sc->cmd_reg = sc->virt_baseaddr + REGCMD; /* old reg */
+ sc->stat_reg = sc->virt_baseaddr + REGSTAT; /* old reg */
+ sc->reg_cmd = (u_long *)(sc->virt_baseaddr + REGCMD);
+ sc->reg_stat = (u_long *)(sc->virt_baseaddr + REGSTAT);
+ sc->reg_cfg = (u_long *)(sc->virt_baseaddr + REGCFG);
+ sc->reg_data = (u_long *)(sc->virt_baseaddr + 0);
+ sc->reg_tsqh = (u_long *)(sc->virt_baseaddr + REGTSQH);
+ sc->reg_gp = (u_long *)(sc->virt_baseaddr + REGGP);
+ sc->pci_rev = pci_get_revid(dev);
+ sc->timer_wrap = 0;
+
+ callout_handle_init(&sc->ch);
+
+ phys_init(sc); /* initialize the hardware */
+ nicstar_init(sc); /* allocate and initialize */
+
+ error = idt_harp_init(sc);
+ if (error)
+ goto fail;
+
+ return (0);
+fail:
+ idt_free(dev);
+ return (error);
+}
+
+/******************************************************************************
+ *
+ * Detach device
+ *
+ * Date first: 11/14/2000 last: 11/14/2000
+ */
+
+static int
+idt_detach(device_t dev)
+{
+ struct idt_softc *sc;
+ int error;
+
+ sc = device_get_softc(dev);
+ error = 0;
+
+ /*
+ * De-Register this interface with ATM core services
+ */
+ error = atm_physif_deregister(&sc->iu_cmn);
+
+ idt_device_stop(sc); /* Stop the device */
+
+ /*
+ * Lock out all device interupts.
+ */
+ DEVICE_LOCK(&sc->iu_cmn);
+ idt_free(dev);
+ idt_release_mem(sc);
+ DEVICE_UNLOCK(&sc->iu_cmn);
+
+ return (error);
+}
+
+/******************************************************************************
+ *
+ * Shutdown device
+ *
+ * Date first: 11/14/2000 last: 11/14/2000
+ */
+
+static int
+idt_shutdown(device_t dev)
+{
+
+ struct idt_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ idt_device_stop(sc); /* Stop the device */
+
+ return (0);
+}
+
+static void
+idt_free (device_t dev)
+{
+ struct idt_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (sc->irq_ih)
+ bus_teardown_intr(dev, sc->irq, sc->irq_ih);
+ if (sc->irq)
+ bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
+ if (sc->mem)
+ bus_release_resource(dev, sc->mem_type, sc->mem_rid, sc->mem);
+
+ return;
+}
+
+static int
+idt_modevent (module_t mod, int what, void *arg)
+{
+ int error;
+
+ error = 0;
+
+ switch (what) {
+ case MOD_LOAD:
+ idt_nif_zone = uma_zcreate("idt nif",
+ sizeof(struct atm_nif),
+ NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
+ if (idt_nif_zone == NULL)
+ panic("hfa_modevent:uma_zcreate nif");
+ uma_zone_set_max(idt_nif_zone, 20);
+
+ idt_vcc_zone = uma_zcreate("idt vcc",
+ sizeof(Idt_vcc),
+ NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
+ if (idt_vcc_zone == NULL)
+ panic("hfa_modevent: uma_zcreate vcc");
+ uma_zone_set_max(idt_vcc_zone, 100);
+
+ break;
+
+ case MOD_UNLOAD:
+ uma_zdestroy(idt_nif_zone);
+ uma_zdestroy(idt_vcc_zone);
+
+ break;
+ default:
+ break;
+ }
+
+ return (error);
+}
+
+static device_method_t idt_methods[] = {
+ DEVMETHOD(device_probe, idt_probe),
+ DEVMETHOD(device_attach, idt_attach),
+ DEVMETHOD(device_detach, idt_detach),
+ DEVMETHOD(device_shutdown, idt_shutdown),
+ {0, 0}
+};
+
+static driver_t idt_driver = {
+ "idt",
+ idt_methods,
+ sizeof(struct idt_softc)
+};
+
+static devclass_t idt_devclass;
+
+DRIVER_MODULE(idt, pci, idt_driver, idt_devclass, idt_modevent, 0);
+MODULE_VERSION(idt, 1);
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