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/*-
* Copyright (c) 2001 Cubical Solutions Ltd. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
/* capi/iavc/iavc_pci.c
* The AVM ISDN controllers' PCI bus attachment handling.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <net/if.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <i4b/include/i4b_debug.h>
#include <i4b/include/i4b_ioctl.h>
#include <i4b/include/i4b_trace.h>
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_l3l4.h>
#include <i4b/include/i4b_mbuf.h>
#include <i4b/capi/capi.h>
#include <i4b/capi/iavc/iavc.h>
/* PCI device ids */
#define PCI_AVM_VID 0x1244
#define PCI_AVMT1_DID 0x1200
#define PCI_AVMB1_DID 0x0700
/* PCI driver linkage */
static void iavc_pci_intr(iavc_softc_t *sc);
static int iavc_pci_probe(device_t dev);
static int iavc_pci_attach(device_t dev);
static device_method_t iavc_pci_methods[] =
{
DEVMETHOD(device_probe, iavc_pci_probe),
DEVMETHOD(device_attach, iavc_pci_attach),
{ 0, 0 }
};
static driver_t iavc_pci_driver =
{
"iavc",
iavc_pci_methods,
0
};
static devclass_t iavc_pci_devclass;
DRIVER_MODULE(iavc, pci, iavc_pci_driver, iavc_pci_devclass, 0, 0);
/* Driver soft contexts */
iavc_softc_t iavc_sc[IAVC_MAXUNIT];
/*---------------------------------------------------------------------------*
*
*---------------------------------------------------------------------------*/
static int
iavc_pci_probe(device_t dev)
{
u_int16_t did = pci_get_device(dev);
u_int16_t vid = pci_get_vendor(dev);
if ((vid == PCI_AVM_VID) && (did == PCI_AVMT1_DID)) {
device_set_desc(dev, "AVM T1 PCI");
} else if ((vid == PCI_AVM_VID) && (did == PCI_AVMB1_DID)) {
device_set_desc(dev, "AVM B1 PCI");
} else {
return(ENXIO);
}
return(0);
}
/*---------------------------------------------------------------------------*
*
*---------------------------------------------------------------------------*/
static int
iavc_pci_attach(device_t dev)
{
struct iavc_softc *sc;
void *ih = 0;
u_int16_t did = pci_get_device(dev);
int unit = device_get_unit(dev), ret;
/* check max unit range */
if (unit >= IAVC_MAXUNIT) {
printf("iavc%d: too many units\n", unit);
return(ENXIO);
}
sc = iavc_find_sc(unit); /* get softc */
sc->sc_unit = unit;
/* use the i/o mapped base address */
sc->sc_resources.io_rid[0] = 0x14;
if (!(sc->sc_resources.io_base[0] =
bus_alloc_resource_any(dev, SYS_RES_IOPORT,
&sc->sc_resources.io_rid[0], RF_ACTIVE))) {
printf("iavc%d: can't allocate io region\n", unit);
return(ENXIO);
}
sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
/* use the memory mapped DMA controller */
sc->sc_resources.mem_rid = 0x10;
if (!(sc->sc_resources.mem =
bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&sc->sc_resources.mem_rid, RF_ACTIVE))) {
printf("iavc%d: can't allocate memory region\n", unit);
return(ENXIO);
}
sc->sc_membase = rman_get_start(sc->sc_resources.mem);
sc->sc_mem_bt = rman_get_bustag(sc->sc_resources.mem);
sc->sc_mem_bh = rman_get_bushandle(sc->sc_resources.mem);
/* do some detection */
sc->sc_t1 = FALSE;
sc->sc_dma = FALSE;
b1dma_reset(sc);
if (did == PCI_AVMT1_DID) {
sc->sc_capi.card_type = CARD_TYPEC_AVM_T1_PCI;
sc->sc_capi.sc_nbch = 30;
ret = t1_detect(sc);
if (ret) {
if (ret < 6) {
printf("iavc%d: no card detected?\n", sc->sc_unit);
} else {
printf("iavc%d: black box not on\n", sc->sc_unit);
}
return(ENXIO);
} else {
sc->sc_dma = TRUE;
sc->sc_t1 = TRUE;
}
} else if (did == PCI_AVMB1_DID) {
sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_PCI;
sc->sc_capi.sc_nbch = 2;
ret = b1dma_detect(sc);
if (ret) {
ret = b1_detect(sc);
if (ret) {
printf("iavc%d: no card detected?\n", sc->sc_unit);
return(ENXIO);
}
} else {
sc->sc_dma = TRUE;
}
}
if (sc->sc_dma) b1dma_reset(sc);
#if 0
if (sc->sc_t1) t1_reset(sc);
else b1_reset(sc);
#endif
/* of course we need an interrupt */
sc->sc_resources.irq_rid = 0x00;
if(!(sc->sc_resources.irq =
bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_resources.irq_rid,
RF_SHAREABLE|RF_ACTIVE))) {
printf("iavc%d: can't allocate irq\n",unit);
return(ENXIO);
}
/* finalize our own context */
memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
if(!mtx_initialized(&sc->sc_txq.ifq_mtx))
mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_pci", NULL, MTX_DEF);
sc->sc_intr = FALSE;
sc->sc_state = IAVC_DOWN;
sc->sc_blocked = FALSE;
/* setup capi link */
sc->sc_capi.load = iavc_load;
sc->sc_capi.reg_appl = iavc_register;
sc->sc_capi.rel_appl = iavc_release;
sc->sc_capi.send = iavc_send;
sc->sc_capi.ctx = (void*) sc;
if (capi_ll_attach(&sc->sc_capi)) {
printf("iavc%d: capi attach failed\n", unit);
return(ENXIO);
}
/* setup the interrupt */
if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
NULL, (void(*)(void*))iavc_pci_intr,
sc, &ih)) {
printf("iavc%d: irq setup failed\n", unit);
return(ENXIO);
}
/* the board is now ready to be loaded */
return(0);
}
/*---------------------------------------------------------------------------*
* IRQ handler
*---------------------------------------------------------------------------*/
static void
iavc_pci_intr(struct iavc_softc *sc)
{
iavc_handle_intr(sc);
}
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