diff options
Diffstat (limited to 'sys/dev/idt/idt_pci.c')
-rw-r--r-- | sys/dev/idt/idt_pci.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/sys/dev/idt/idt_pci.c b/sys/dev/idt/idt_pci.c new file mode 100644 index 0000000..c2fe260 --- /dev/null +++ b/sys/dev/idt/idt_pci.c @@ -0,0 +1,323 @@ +/* + * 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); |