diff options
Diffstat (limited to 'sys/i4b/layer1/isic/i4b_tel_s08.c')
| -rw-r--r-- | sys/i4b/layer1/isic/i4b_tel_s08.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/sys/i4b/layer1/isic/i4b_tel_s08.c b/sys/i4b/layer1/isic/i4b_tel_s08.c new file mode 100644 index 0000000..c6578b1 --- /dev/null +++ b/sys/i4b/layer1/isic/i4b_tel_s08.c @@ -0,0 +1,317 @@ +/* + * Copyright (c) 1996 Arne Helme. All rights reserved. + * + * Copyright (c) 1996 Gary Jennejohn. All rights reserved. + * + * 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. + * 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. + * + *--------------------------------------------------------------------------- + * + * isic - I4B Siemens ISDN Chipset Driver for Teles S0/8 and clones + * ================================================================ + * + * $Id: i4b_tel_s08.c,v 1.3 2000/05/29 15:41:41 hm Exp $ + * + * $FreeBSD$ + * + * last edit-date: [Mon May 29 16:47:20 2000] + * + *---------------------------------------------------------------------------*/ + +#include "isic.h" +#include "opt_i4b.h" + +#if NISIC > 0 && defined(TEL_S0_8) + +#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 <machine/md_var.h> + +#include <net/if.h> + +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.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_global.h> +/* #include <i4b/include/i4b_l1l2.h> */ +#include <i4b/include/i4b_mbuf.h> + +#define TELES_S08_MEMSIZE 0x1000 + +static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 }; + +/*---------------------------------------------------------------------------* + * Teles S0/8 write register routine + *---------------------------------------------------------------------------*/ +static void +tels08_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.mem); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem); + + offs += offset[what]; + + if (offs & 0x01) + offs |= 0x200; + + bus_space_write_1(t, h, offs, data); +} + +/*---------------------------------------------------------------------------* + * Teles S0/8 read register routine + *---------------------------------------------------------------------------*/ +static u_int8_t +tels08_read_reg(struct l1_softc *sc, int what, bus_size_t offs) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem); + + offs += offset[what]; + + if (offs & 0x01) + offs |= 0x200; + + return bus_space_read_1(t, h, offs); +} + +/*---------------------------------------------------------------------------* + * Teles S0/8 fifo write access + *---------------------------------------------------------------------------*/ +static void +tels08_write_fifo(struct l1_softc *sc, int what, void *data, size_t size) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem); + bus_space_write_region_1(t, h, offset[what], data, size); +} + +/*---------------------------------------------------------------------------* + * Teles S0/8 fifo read access + *---------------------------------------------------------------------------*/ +static void +tels08_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size) +{ + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem); + bus_space_read_region_1(t, h, offset[what], buf, size); +} + +/*---------------------------------------------------------------------------* + * isic_probe_s08 - probe for Teles S0/8 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_probe_s08(device_t dev) +{ + size_t unit = device_get_unit(dev); /* get unit */ + struct l1_softc *sc = 0; /* pointer to softc */ + void *ih = 0; /* dummy */ + + /* check max unit range */ + + if(unit >= ISIC_MAXUNIT) + { + printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/8!\n", + unit, unit); + return(ENXIO); + } + + sc = &l1_sc[unit]; /* get pointer to softc */ + + sc->sc_unit = unit; /* set unit */ + + sc->sc_flags = FLAG_TELES_S0_8; /* set flags */ + + /* see if an io base was supplied */ + + 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))) + { + /* the S0/8 is completely memory mapped ! */ + + bus_release_resource(dev,SYS_RES_IOPORT, + sc->sc_resources.io_rid[0], + sc->sc_resources.io_base[0]); + printf("isic%d: Error, iobase specified for Teles S0/8!\n", unit); + return(ENXIO); + } + + /* allocate memory */ + + if(!(sc->sc_resources.mem = + bus_alloc_resource(dev, SYS_RES_MEMORY, + &sc->sc_resources.mem_rid, + 0ul, ~0ul, TELES_S08_MEMSIZE, RF_ACTIVE))) + { + printf("isic%d: Could not allocate memory for Teles S0/8!\n", unit); + return(ENXIO); + } + + /* + * get virtual addr. it's just needed to see if it is in + * the valid range + */ + + sc->sc_vmem_addr = rman_get_virtual(sc->sc_resources.mem); + + /* check if inside memory range of 0xA0000 .. 0xDF000 */ + + if((kvtop(sc->sc_vmem_addr) < 0xa0000) || + (kvtop(sc->sc_vmem_addr) > 0xdf000)) + { + printf("isic%d: Error, mem addr 0x%lx outside 0xA0000-0xDF000 for Teles S0/8!\n", + unit, kvtop(sc->sc_vmem_addr)); + bus_release_resource(dev,SYS_RES_MEMORY, + sc->sc_resources.mem_rid, + sc->sc_resources.mem); + sc->sc_resources.mem = 0; + return(ENXIO); + } + + /* setup ISAC access routines */ + + sc->clearirq = NULL; + + sc->readreg = tels08_read_reg; + sc->writereg = tels08_write_reg; + + sc->readfifo = tels08_read_fifo; + sc->writefifo = tels08_write_fifo; + + sc->sc_cardtyp = CARD_TYPEP_8; /* setup card type */ + + sc->sc_bustyp = BUS_TYPE_IOM1; /* setup IOM bus type */ + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + /* setup ISAC base addr, though we don't really need it */ + + ISAC_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x100); + + /* setup HSCX base addr */ + + HSCX_A_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x180); + HSCX_B_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x1c0); + + /* allocate our irq */ + + if(!(sc->sc_resources.irq = + bus_alloc_resource(dev, SYS_RES_IRQ, + &sc->sc_resources.irq_rid, + 0ul, ~0ul, 1, RF_ACTIVE))) + { + printf("isic%d: Could not allocate irq for Teles S0/8!\n",unit); + + bus_release_resource(dev,SYS_RES_MEMORY, + sc->sc_resources.mem_rid, + sc->sc_resources.mem); + + sc->sc_resources.mem = 0; + return ENXIO; + } + + /* get the irq number */ + + sc->sc_irq = rman_get_start(sc->sc_resources.irq); + + /* check IRQ validity */ + + switch(sc->sc_irq) + { + case 2: + case 9: /* XXX */ + case 3: + case 4: + case 5: + case 6: + case 7: + break; + + default: + printf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/8!\n", + unit, sc->sc_irq); + bus_release_resource(dev,SYS_RES_IRQ, + sc->sc_resources.irq_rid, + sc->sc_resources.irq); + sc->sc_resources.irq = 0; + bus_release_resource(dev,SYS_RES_MEMORY, + sc->sc_resources.mem_rid, + sc->sc_resources.mem); + sc->sc_resources.mem = 0; + return(ENXIO); + break; + } + + /* register interupt routine */ + + bus_setup_intr(dev, sc->sc_resources.irq, + INTR_TYPE_NET, + (void(*)(void *))(isicintr), + sc, &ih); + + return (0); +} + +/*---------------------------------------------------------------------------* + * isic_attach_s08 - attach Teles S0/8 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_attach_s08(device_t dev) +{ + struct l1_softc *sc = &l1_sc[device_get_unit(dev)]; + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem); + + /* set card off */ + + bus_space_write_1(t, h, 0x80, 0); + + DELAY(SEC_DELAY / 5); + + /* set card on */ + + bus_space_write_1(t, h, 0x80, 1); + + DELAY(SEC_DELAY / 5); + + return 0; +} +#endif /* ISIC > 0 */ |
