324 lines
7.8 KiB
C
324 lines
7.8 KiB
C
/*
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* Copyright (c) 2000, 2001 Richard Hodges and Matriplex, inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matriplex, inc.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*
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* This driver is derived from the Nicstar driver by Mark Tinguely, and
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* some of the original driver still exists here. Those portions are...
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* Copyright (c) 1996, 1997, 1998, 1999 Mark Tinguely
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* All rights reserved.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/module.h>
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#include <machine/bus_memio.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <netatm/port.h>
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#include <netatm/queue.h>
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#include <netatm/atm.h>
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#include <netatm/atm_sys.h>
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#include <netatm/atm_sap.h>
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#include <netatm/atm_cm.h>
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#include <netatm/atm_if.h>
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#include <netatm/atm_stack.h>
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#include <netatm/atm_pcb.h>
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#include <netatm/atm_var.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/idt/idtreg.h>
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#include <dev/idt/idtvar.h>
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#define IDT_VID 0x111d
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#define IDT_NICSTAR_DID 0x0001
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struct pci_type {
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u_int16_t pci_vid;
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u_int16_t pci_did;
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char * pci_name;
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} pci_devs[] = {
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{ IDT_VID, IDT_NICSTAR_DID, "IDT IDT77201/211 NICStAR ATM Adapter" },
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{ 0, 0, NULL }
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};
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uma_zone_t idt_nif_zone;
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uma_zone_t idt_vcc_zone;
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static int idt_probe (device_t);
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static int idt_attach (device_t);
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static int idt_detach (device_t);
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static int idt_shutdown (device_t);
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static void idt_free (device_t);
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static int idt_modevent (module_t, int, void *);
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static int
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idt_probe(device_t dev)
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{
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struct pci_type *t = pci_devs;
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while(t->pci_name != NULL) {
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if ((pci_get_vendor(dev) == t->pci_vid) &&
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(pci_get_device(dev) == t->pci_did)) {
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device_set_desc(dev, t->pci_name);
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return(0);
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}
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t++;
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}
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return(ENXIO);
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}
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/******************************************************************************
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*
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* Attach device
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*
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* Date first: 11/14/2000 last: 06/10/2001
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*/
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static int
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idt_attach(device_t dev)
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{
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struct idt_softc *sc;
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int error;
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sc = device_get_softc(dev);
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sc->dev = dev;
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error = 0;
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pci_enable_busmaster(dev);
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/* count = 2 (times 32 PCI clocks) */
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pci_write_config(dev, PCIR_LATTIMER, 0x20, 1);
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/* Map IDT registers */
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sc->mem_rid = 0x14;
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sc->mem_type = SYS_RES_MEMORY;
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sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
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0, ~0, 1, RF_ACTIVE);
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if (sc->mem == NULL) {
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device_printf(dev, "could not map registers.\n");
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error = ENXIO;
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goto fail;
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}
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sc->bustag = rman_get_bustag(sc->mem);
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sc->bushandle = rman_get_bushandle(sc->mem);
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/* Map interrupt */
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sc->irq_rid = 0;
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sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
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0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
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if (sc->irq == NULL) {
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device_printf(dev, "could not map interrupt.\n");
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error = ENXIO;
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goto fail;
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}
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error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, nicstar_intr,
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sc, &sc->irq_ih);
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if (error) {
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device_printf(dev, "could not setup irq.\n");
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error = ENXIO;
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goto fail;
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}
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sc->virt_baseaddr = (vm_offset_t)rman_get_virtual(sc->mem);
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sc->cmd_reg = sc->virt_baseaddr + REGCMD; /* old reg */
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sc->stat_reg = sc->virt_baseaddr + REGSTAT; /* old reg */
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sc->reg_cmd = (u_long *)(sc->virt_baseaddr + REGCMD);
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sc->reg_stat = (u_long *)(sc->virt_baseaddr + REGSTAT);
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sc->reg_cfg = (u_long *)(sc->virt_baseaddr + REGCFG);
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sc->reg_data = (u_long *)(sc->virt_baseaddr + 0);
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sc->reg_tsqh = (u_long *)(sc->virt_baseaddr + REGTSQH);
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sc->reg_gp = (u_long *)(sc->virt_baseaddr + REGGP);
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sc->pci_rev = pci_get_revid(dev);
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sc->timer_wrap = 0;
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callout_handle_init(&sc->ch);
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phys_init(sc); /* initialize the hardware */
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nicstar_init(sc); /* allocate and initialize */
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error = idt_harp_init(sc);
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if (error)
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goto fail;
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return (0);
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fail:
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idt_free(dev);
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return (error);
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}
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/******************************************************************************
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*
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* Detach device
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*
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* Date first: 11/14/2000 last: 11/14/2000
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*/
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static int
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idt_detach(device_t dev)
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{
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struct idt_softc *sc;
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int error;
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sc = device_get_softc(dev);
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error = 0;
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/*
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* De-Register this interface with ATM core services
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*/
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error = atm_physif_deregister(&sc->iu_cmn);
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idt_device_stop(sc); /* Stop the device */
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/*
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* Lock out all device interupts.
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*/
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DEVICE_LOCK(&sc->iu_cmn);
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idt_free(dev);
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idt_release_mem(sc);
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DEVICE_UNLOCK(&sc->iu_cmn);
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return (error);
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}
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/******************************************************************************
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*
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* Shutdown device
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*
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* Date first: 11/14/2000 last: 11/14/2000
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*/
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static int
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idt_shutdown(device_t dev)
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{
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struct idt_softc *sc;
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sc = device_get_softc(dev);
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idt_device_stop(sc); /* Stop the device */
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return (0);
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}
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static void
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idt_free (device_t dev)
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{
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struct idt_softc *sc;
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sc = device_get_softc(dev);
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if (sc->irq_ih)
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bus_teardown_intr(dev, sc->irq, sc->irq_ih);
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if (sc->irq)
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bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
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if (sc->mem)
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bus_release_resource(dev, sc->mem_type, sc->mem_rid, sc->mem);
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return;
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}
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static int
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idt_modevent (module_t mod, int what, void *arg)
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{
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int error;
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error = 0;
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switch (what) {
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case MOD_LOAD:
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idt_nif_zone = uma_zcreate("idt nif",
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sizeof(struct atm_nif),
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
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if (idt_nif_zone == NULL)
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panic("hfa_modevent:uma_zcreate nif");
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uma_zone_set_max(idt_nif_zone, 20);
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idt_vcc_zone = uma_zcreate("idt vcc",
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sizeof(Idt_vcc),
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
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if (idt_vcc_zone == NULL)
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panic("hfa_modevent: uma_zcreate vcc");
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uma_zone_set_max(idt_vcc_zone, 100);
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break;
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case MOD_UNLOAD:
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uma_zdestroy(idt_nif_zone);
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uma_zdestroy(idt_vcc_zone);
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break;
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default:
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break;
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}
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return (error);
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}
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static device_method_t idt_methods[] = {
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DEVMETHOD(device_probe, idt_probe),
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DEVMETHOD(device_attach, idt_attach),
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DEVMETHOD(device_detach, idt_detach),
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DEVMETHOD(device_shutdown, idt_shutdown),
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{0, 0}
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};
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static driver_t idt_driver = {
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"idt",
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idt_methods,
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sizeof(struct idt_softc)
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};
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static devclass_t idt_devclass;
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DRIVER_MODULE(idt, pci, idt_driver, idt_devclass, idt_modevent, 0);
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MODULE_VERSION(idt, 1);
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