diff options
Diffstat (limited to 'sys/i4b/layer1/isic/i4b_ctx_s0P.c')
| -rw-r--r-- | sys/i4b/layer1/isic/i4b_ctx_s0P.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/sys/i4b/layer1/isic/i4b_ctx_s0P.c b/sys/i4b/layer1/isic/i4b_ctx_s0P.c new file mode 100644 index 0000000..c58b691 --- /dev/null +++ b/sys/i4b/layer1/isic/i4b_ctx_s0P.c @@ -0,0 +1,261 @@ +/* + * Copyright (c) 1997, 2000 Hellmuth Michaelis. 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. + * + *--------------------------------------------------------------------------- + * + * isic - I4B Siemens ISDN Chipset Driver for Creatix/Teles PnP + * ============================================================ + * + * $Id: i4b_ctx_s0P.c,v 1.4 2000/08/22 11:30:04 hm Exp $ + * + * $FreeBSD$ + * + * last edit-date: [Tue Aug 22 11:35:00 2000] + * + * Note: this driver works for the Creatix ISDN S0-16 P+P and + * for the Teles S0/16.3 PnP card. Although they are not + * the same hardware and don't share the same PnP config + * information, once the base addresses are set, the + * offsets are same and therefore they can use the same + * driver. + * + *---------------------------------------------------------------------------*/ + +#include "isic.h" +#include "opt_i4b.h" + +#if (NISIC > 0) && (defined(CRTX_S0_P) || defined(TEL_S0_16_3_P)) + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> + +#include <machine/clock.h> + +#include <net/if.h> + +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> + +#include <i4b/include/i4b_global.h> + +#include <i4b/layer1/isic/i4b_isic.h> +#include <i4b/layer1/isic/i4b_isac.h> +#include <i4b/layer1/isic/i4b_hscx.h> + +/* #include <i4b/include/i4b_l1l2.h> */ +#include <i4b/include/i4b_mbuf.h> + +/*---------------------------------------------------------------------------* + * Creatix / Teles PnP ISAC get fifo routine + *---------------------------------------------------------------------------*/ +static void +ctxs0P_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+2]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]); + bus_space_read_multi_1(t,h,0x3e,buf,size); +} + +/*---------------------------------------------------------------------------* + * Creatix / Teles PnP ISAC put fifo routine + *---------------------------------------------------------------------------*/ +static void +ctxs0P_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+2]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]); + bus_space_write_multi_1(t,h,0x3e,buf,size); +} + +/*---------------------------------------------------------------------------* + * Creatix / Teles PnP ISAC put register routine + *---------------------------------------------------------------------------*/ +static void +ctxs0P_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+2]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]); + bus_space_write_1(t,h,offs,data); +} + +/*---------------------------------------------------------------------------* + * Creatix / Teles PnP ISAC get register routine + *---------------------------------------------------------------------------*/ +static u_int8_t +ctxs0P_read_reg(struct l1_softc *sc, int what, bus_size_t offs) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+2]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]); + return bus_space_read_1(t,h,offs); +} + +/*---------------------------------------------------------------------------* + * isic_attach_Cs0P - attach Creatix / Teles PnP + *---------------------------------------------------------------------------*/ +int +isic_attach_Cs0P(device_t dev) +{ + u_int32_t iobase1; + u_int32_t iobase2; + int unit = device_get_unit(dev); + struct l1_softc *sc = &l1_sc[unit]; + bus_space_tag_t t; + bus_space_handle_t h; + + /* + * this card needs a second io_base, + * free resources if we don't get it + */ + + sc->sc_resources.io_rid[1] = 1; + + if(!(sc->sc_resources.io_base[1] = + bus_alloc_resource(dev, SYS_RES_IOPORT, + &sc->sc_resources.io_rid[1], + 0UL, ~0UL, 1, RF_ACTIVE))) + { + printf("isic%d: Could not get io area 1 for Creatix / Teles PnP!\n", unit); + isic_detach_common(dev); + return ENXIO; + } + + /* remember the io base addresses */ + + iobase1 = rman_get_start(sc->sc_resources.io_base[0]); + iobase2 = rman_get_start(sc->sc_resources.io_base[1]); + + /* + * because overlapping resources are invalid, + * release the first io port resource + */ + + bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0], + sc->sc_resources.io_base[0]); + + /* set and allocate a base io address for the ISAC chip */ + + sc->sc_resources.io_rid[2] = 2; + + bus_set_resource(dev, SYS_RES_IOPORT, 2, iobase1-0x20, 0x40); + + if(!(sc->sc_resources.io_base[2] = + bus_alloc_resource(dev, SYS_RES_IOPORT, + &sc->sc_resources.io_rid[2], + 0ul, ~0ul, 1, RF_ACTIVE))) + { + printf("isic%d: Could not get io area 2 for Creatix / Teles PnP!\n", unit); + isic_detach_common(dev); + return ENXIO; + } + + /* + * because overlapping resources are invalid, + * release the second io port resource + */ + + bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[1], + sc->sc_resources.io_base[1]); + + /* set and allocate a resource for the HSCX channel A */ + + sc->sc_resources.io_rid[3] = 3; + +/*XXX*/ /* FIXME !!!! + * the width of the resource is too small, there are accesses + * to it with an offset of 0x3e into the next resource. anyway, + * it seems to work and i have no idea how to do 2 resources + * overlapping each other. + */ + +#if 0 + bus_set_resource(dev, SYS_RES_IOPORT, 3, iobase2-0x20, 0x20); +#else + bus_set_resource(dev, SYS_RES_IOPORT, 3, iobase2-0x20, 0x10); +#endif + + if(!(sc->sc_resources.io_base[3] = + bus_alloc_resource(dev,SYS_RES_IOPORT, + &sc->sc_resources.io_rid[3], + 0ul,~0ul, 1, RF_ACTIVE))) + { + printf("isic%d: Could not get io area 3 for Creatix / Teles PnP!\n", unit); + isic_detach_common(dev); + return ENXIO; + } + + /* set and allocate a resources for the HSCX channel B */ + + sc->sc_resources.io_rid[4] = 4; + + bus_set_resource(dev, SYS_RES_IOPORT, 4, iobase2, 0x40); + + if(!(sc->sc_resources.io_base[4] = + bus_alloc_resource(dev,SYS_RES_IOPORT, + &sc->sc_resources.io_rid[4], + 0ul, ~0ul, 1, RF_ACTIVE))) + { + printf("isic%d: Could not get io area 4 for Creatix / Teles PnP!\n", unit); + isic_detach_common(dev); + return ENXIO; + } + + /* setup access routines */ + + sc->clearirq = NULL; + sc->readreg = ctxs0P_read_reg; + sc->writereg = ctxs0P_write_reg; + + sc->readfifo = ctxs0P_read_fifo; + sc->writefifo = ctxs0P_write_fifo; + + /* setup card type */ + + sc->sc_cardtyp = CARD_TYPEP_CS0P; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM2; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + /* enable the card */ + + t = rman_get_bustag(sc->sc_resources.io_base[2]); + h = rman_get_bushandle(sc->sc_resources.io_base[2]); + + bus_space_write_1(t, h, 0x3c, 0); + DELAY(SEC_DELAY / 10); + + bus_space_write_1(t, h, 0x3c, 1); + DELAY(SEC_DELAY / 10); + + return 0; +} + +#endif /* (NISIC > 0) && (defined(CRTX_S0_P) || defined(TEL_S0_16_3_P)) */ + |
