diff options
Diffstat (limited to 'sys/i4b/capi/iavc/iavc_pci.c')
-rw-r--r-- | sys/i4b/capi/iavc/iavc_pci.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/sys/i4b/capi/iavc/iavc_pci.c b/sys/i4b/capi/iavc/iavc_pci.c new file mode 100644 index 0000000..5579a3c --- /dev/null +++ b/sys/i4b/capi/iavc/iavc_pci.c @@ -0,0 +1,283 @@ +/* + * 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. + * + * $FreeBSD$ + */ + +#include "iavc.h" +#include "i4bcapi.h" +#include "pci.h" + +#if (NIAVC > 0) && (NI4BCAPI > 0) && (NPCI > 0) + +#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/clock.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 <pci/pcireg.h> +#include <pci/pcivar.h> + +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> +#include <machine/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(dev, SYS_RES_IOPORT, + &sc->sc_resources.io_rid[0], + 0UL, ~0UL, 1, 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(dev, SYS_RES_MEMORY, + &sc->sc_resources.mem_rid, + 0UL, ~0UL, 1, 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(dev, SYS_RES_IRQ, + &sc->sc_resources.irq_rid, + 0UL, ~0UL, 1, 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 defined (__FreeBSD__) && __FreeBSD__ > 4 + mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_pci", MTX_DEF); +#endif + + 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, + (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); +} + +#endif |