diff options
Diffstat (limited to 'sys/i4b/layer1/i4b_elsa_isdnmc.c')
| -rw-r--r-- | sys/i4b/layer1/i4b_elsa_isdnmc.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/sys/i4b/layer1/i4b_elsa_isdnmc.c b/sys/i4b/layer1/i4b_elsa_isdnmc.c new file mode 100644 index 0000000..c6987f5 --- /dev/null +++ b/sys/i4b/layer1/i4b_elsa_isdnmc.c @@ -0,0 +1,305 @@ +/* + * Copyright (c) 1998 Martin Husemann. 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. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * 4. Altered versions must be plainly marked as such, and must not be + * misrepresented as being the original software and/or documentation. + * + * 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. + * + *--------------------------------------------------------------------------- + * + * ELSA MicroLink ISDN/MC card specific routines + * --------------------------------------------- + * + * $Id: i4b_elsa_isdnmc.c,v 1.2 1998/12/05 18:04:33 hm Exp $ + * + * last edit-date: [Tue Dec 1 07:45:53 1998] + * + * -mh added support for elsa ISDN/mc + * + *---------------------------------------------------------------------------*/ + +#ifdef __FreeBSD__ +#include "isic.h" +#include "opt_i4b.h" +#else +#define NISIC 1 +#endif + +#if NISIC > 0 && defined(ELSA_ISDNMC) + +#include <sys/param.h> +#if defined(__FreeBSD__) && __FreeBSD__ >= 3 +#include <sys/ioccom.h> +#else +#include <sys/ioctl.h> +#endif +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/mbuf.h> + +#ifdef __FreeBSD__ +#include <machine/clock.h> +#include <i386/isa/isa_device.h> +#else +#include <machine/bus.h> +#include <sys/device.h> +#endif + +#include <sys/socket.h> +#include <net/if.h> + +#ifdef __FreeBSD__ +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> +#else +#include <i4b/i4b_debug.h> +#include <i4b/i4b_ioctl.h> + +#include <dev/pcmcia/pcmciareg.h> +#include <dev/pcmcia/pcmciavar.h> +#endif + +#include <i4b/layer1/i4b_l1.h> +#include <i4b/layer1/i4b_isac.h> +#include <i4b/layer1/i4b_hscx.h> + +#include <i4b/layer1/pcmcia_isic.h> + +#ifndef __FreeBSD__ +/* PCMCIA support routines */ +static u_int8_t elsa_isdnmc_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs)); +static void elsa_isdnmc_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)); +static void elsa_isdnmc_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size)); +static void elsa_isdnmc_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size)); +#endif + +/* + * The ELSA MicroLink ISDN/MC uses one contigous IO region, + * mapped by the pcmcia code. + * The chip access is via three ports: + */ +#define ISAC_DATA 1 /* ISAC dataport at offset 1 */ +#define HSCX_DATA 2 /* HSCX dataport at offset 2 */ +#define ADDR_LATCH 4 /* address latch at offset 4 */ + +/* This is very similar to the ELSA QuickStep 1000 (ISA) card */ + +/*---------------------------------------------------------------------------* + * read fifo routines + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ +static void +elsa_isdnmc_read_fifo(void *buf, const void *base, size_t len) +{ +} +#else +static void +elsa_isdnmc_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size) +{ + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; + switch (what) { + case ISIC_WHAT_ISAC: + bus_space_write_1(t, h, ADDR_LATCH, 0); + bus_space_read_multi_1(t, h, ISAC_DATA, buf, size); + break; + case ISIC_WHAT_HSCXA: + bus_space_write_1(t, h, ADDR_LATCH, 0); + bus_space_read_multi_1(t, h, HSCX_DATA, buf, size); + break; + case ISIC_WHAT_HSCXB: + bus_space_write_1(t, h, ADDR_LATCH, 0x40); + bus_space_read_multi_1(t, h, HSCX_DATA, buf, size); + break; + } +} +#endif + +/*---------------------------------------------------------------------------* + * write fifo routines + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ +static void +elsa_isdnmc_write_fifo(void *base, const void *buf, size_t len) +{ +} +#else +static void +elsa_isdnmc_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size) +{ + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; + switch (what) { + case ISIC_WHAT_ISAC: + bus_space_write_1(t, h, ADDR_LATCH, 0); + bus_space_write_multi_1(t, h, ISAC_DATA, (u_int8_t*)buf, size); + break; + case ISIC_WHAT_HSCXA: + bus_space_write_1(t, h, ADDR_LATCH, 0); + bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size); + break; + case ISIC_WHAT_HSCXB: + bus_space_write_1(t, h, ADDR_LATCH, 0x40); + bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size); + break; + } +} +#endif + +/*---------------------------------------------------------------------------* + * write register routines + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ +static void +elsa_isdnmc_write_reg(u_char *base, u_int offset, u_int v) +{ +} +#else +static void +elsa_isdnmc_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data) +{ + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; + switch (what) { + case ISIC_WHAT_ISAC: + bus_space_write_1(t, h, ADDR_LATCH, offs); + bus_space_write_1(t, h, ISAC_DATA, data); + break; + case ISIC_WHAT_HSCXA: + bus_space_write_1(t, h, ADDR_LATCH, offs); + bus_space_write_1(t, h, HSCX_DATA, data); + break; + case ISIC_WHAT_HSCXB: + bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs); + bus_space_write_1(t, h, HSCX_DATA, data); + break; + } +} +#endif + +/*---------------------------------------------------------------------------* + * read register routines + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ +static u_char +elsa_isdnmc_read_reg(u_char *base, u_int offset) +{ + return 0; +} +#else +static u_int8_t +elsa_isdnmc_read_reg(struct isic_softc *sc, int what, bus_size_t offs) +{ + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; + switch (what) { + case ISIC_WHAT_ISAC: + bus_space_write_1(t, h, ADDR_LATCH, offs); + return bus_space_read_1(t, h, ISAC_DATA); + case ISIC_WHAT_HSCXA: + bus_space_write_1(t, h, ADDR_LATCH, offs); + return bus_space_read_1(t, h, HSCX_DATA); + case ISIC_WHAT_HSCXB: + bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs); + return bus_space_read_1(t, h, HSCX_DATA); + } + return 0; +} +#endif + +#ifdef __FreeBSD__ +#else + +/* + * XXX - one time only! Some of this has to go into an enable + * function, with apropriate counterpart in disable, so a card + * could be removed an inserted again. But never mind for now, + * this won't work anyway for several reasons (both in NetBSD + * and in I4B). + */ +int +isic_attach_elsaisdnmc(struct pcmcia_isic_softc *psc, struct pcmcia_config_entry *cfe, struct pcmcia_attach_args *pa) +{ + struct isic_softc *sc = &psc->sc_isic; + bus_space_tag_t t; + bus_space_handle_t h; + + /* Validate config info */ + if (cfe->num_memspace != 0) + printf(": unexpected number of memory spaces %d should be 0\n", + cfe->num_memspace); + if (cfe->num_iospace != 1) + printf(": unexpected number of memory spaces %d should be 1\n", + cfe->num_iospace); + + /* Allocate pcmcia space */ + if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, + cfe->iospace[0].length, &psc->sc_pcioh)) + printf(": can't allocate i/o space\n"); + + /* map them */ + if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? + PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, + cfe->iospace[0].length, &psc->sc_pcioh, &psc->sc_io_window)) { + printf(": can't map i/o space\n"); + return 0; + } + + /* OK, this will work! */ + sc->sc_cardtyp = CARD_TYPEP_ELSAMLIMC; + + /* Setup bus space maps */ + sc->sc_num_mappings = 1; + MALLOC_MAPS(sc); + + /* Copy our handles/tags to the MI maps */ + sc->sc_maps[0].t = psc->sc_pcioh.iot; + sc->sc_maps[0].h = psc->sc_pcioh.ioh; + sc->sc_maps[0].offset = 0; + sc->sc_maps[0].size = 0; /* not our mapping */ + + t = sc->sc_maps[0].t; + h = sc->sc_maps[0].h; + + sc->clearirq = NULL; + sc->readreg = elsa_isdnmc_read_reg; + sc->writereg = elsa_isdnmc_write_reg; + + sc->readfifo = elsa_isdnmc_read_fifo; + sc->writefifo = elsa_isdnmc_write_fifo; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM2; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + return 1; +} +#endif + +#endif /* ISIC > 0 */ |
