diff options
Diffstat (limited to 'sys/i4b/layer1/isic/i4b_tel_s016.c')
| -rw-r--r-- | sys/i4b/layer1/isic/i4b_tel_s016.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/sys/i4b/layer1/isic/i4b_tel_s016.c b/sys/i4b/layer1/isic/i4b_tel_s016.c new file mode 100644 index 0000000..8f4cebb --- /dev/null +++ b/sys/i4b/layer1/isic/i4b_tel_s016.c @@ -0,0 +1,384 @@ +/* + * 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 S0/16 and clones + * ================================================================= + * + * $Id: i4b_tel_s016.c,v 1.3 2000/05/29 15:41:41 hm Exp $ + * + * $FreeBSD$ + * + * last edit-date: [Mon May 29 16:46:56 2000] + * + *---------------------------------------------------------------------------*/ + +#include "isic.h" +#include "opt_i4b.h" + +#if NISIC > 0 && defined(TEL_S0_16) + +#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_S016_MEMSIZE 0x1000 + +static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 }; +static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 }; + +/*---------------------------------------------------------------------------* + * Teles S0/16 write register routine + *---------------------------------------------------------------------------*/ +static void +tels016_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 S0/16 read register routine + *---------------------------------------------------------------------------*/ +static u_int8_t +tels016_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 S0/16 fifo write routine + *---------------------------------------------------------------------------*/ +static void +tels016_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 S0/16 fifo read routine + *---------------------------------------------------------------------------*/ +static void +tels016_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_s016 - probe for Teles S0/16 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_probe_s016(device_t dev) +{ + size_t unit = device_get_unit(dev); /* get unit */ + struct l1_softc *sc = 0; /* softc */ + void *ih = 0; /* dummy */ + u_int8_t b0,b1,b2; /* for signature */ + bus_space_tag_t t; /* bus things */ + bus_space_handle_t h; + + /* check max unit range */ + + if(unit >= ISIC_MAXUNIT) + { + printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/16!\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_16; /* 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))) + { + printf("isic%d: Could not allocate i/o port for Teles S0/16.\n", unit); + return(ENXIO); + } + + sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]); + + /* + * check if the provided io port is valid + */ + + switch(sc->sc_port) + { + case 0xd80: + case 0xe80: + case 0xf80: + break; + + default: + printf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16!\n", + unit, sc->sc_port); + isic_detach_common(dev); + return(ENXIO); + break; + } + + /* allocate memory resource */ + + if(!(sc->sc_resources.mem = + bus_alloc_resource(dev, SYS_RES_MEMORY, + &sc->sc_resources.mem_rid, + 0ul, ~0ul, TELES_S016_MEMSIZE, + RF_ACTIVE))) + { + printf("isic%d: Could not allocate memory for Teles S0/16.\n", unit); + isic_detach_common(dev); + return(ENXIO); + } + + /* + * get virtual addr. + */ + sc->sc_vmem_addr = rman_get_virtual(sc->sc_resources.mem); + + /* + * check for valid adresses + */ + switch(kvtop(sc->sc_vmem_addr)) + { + case 0xc0000: + case 0xc2000: + case 0xc4000: + case 0xc6000: + case 0xc8000: + case 0xca000: + case 0xcc000: + case 0xce000: + case 0xd0000: + case 0xd2000: + case 0xd4000: + case 0xd6000: + case 0xd8000: + case 0xda000: + case 0xdc000: + case 0xde000: + break; + + default: + printf("isic%d: Error, invalid memory address 0x%lx for Teles S0/16!\n", + unit, kvtop(sc->sc_vmem_addr)); + isic_detach_common(dev); + return(ENXIO); + break; + } + + /* setup ISAC access routines */ + + sc->clearirq = NULL; + + sc->readreg = tels016_read_reg; + sc->writereg = tels016_write_reg; + + sc->readfifo = tels016_read_fifo; + sc->writefifo = tels016_write_fifo; + + /* setup card type */ + sc->sc_cardtyp = CARD_TYPEP_16; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM1; + + 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); + + t = rman_get_bustag(sc->sc_resources.io_base[0]); + h = rman_get_bushandle(sc->sc_resources.io_base[0]); + + /* get signature bytes */ + b0 = bus_space_read_1(t, h, 0); + b1 = bus_space_read_1(t, h, 1); + b2 = bus_space_read_1(t, h, 2); + + /* check signature bytes */ + if(b0 != 0x51) + { + printf("isic%d: Error, signature 1 0x%x != 0x51 for Teles S0/16!\n", + unit, b0); + isic_detach_common(dev); + return(ENXIO); + } + + if(b1 != 0x93) + { + printf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16!\n", + unit, b1); + isic_detach_common(dev); + return(ENXIO); + } + + if((b2 != 0x1e) && (b2 != 0x1f)) + { + printf("isic%d: Error, signature 3 0x%x != 0x1e or 0x1f for Teles S0/16!\n", + unit, b2); + isic_detach_common(dev); + return(ENXIO); + } + + /* get 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 S0/16.\n", unit); + isic_detach_common(dev); + return ENXIO; + } + + /* register interupt routine */ + + bus_setup_intr(dev, sc->sc_resources.irq, + INTR_TYPE_NET, + (void(*)(void *))(isicintr), + sc, &ih); + + /* get the irq number */ + + sc->sc_irq = rman_get_start(sc->sc_resources.irq); + + /* check IRQ validity */ + + if((intr_no[sc->sc_irq]) == 1) + { + printf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16!\n", + unit, sc->sc_irq); + isic_detach_common(dev); + return(ENXIO); + } + + return (0); +} + +/*---------------------------------------------------------------------------* + * isic_attach_s016 - attach Teles S0/16 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_attach_s016(device_t dev) +{ + struct l1_softc *sc = &l1_sc[device_get_unit(dev)]; + u_long irq; + + bus_space_tag_t ta = rman_get_bustag(sc->sc_resources.mem); + bus_space_handle_t ha = rman_get_bushandle(sc->sc_resources.mem); + bus_space_tag_t tb = rman_get_bustag(sc->sc_resources.io_base[0]); + bus_space_handle_t hb = rman_get_bushandle(sc->sc_resources.io_base[0]); + + /* is this right for FreeBSD or off by one ? */ + irq = intr_no[sc->sc_irq]; + + /* configure IRQ */ + + irq |= ((u_long) sc->sc_vmem_addr) >> 9; + + DELAY(SEC_DELAY / 10); + bus_space_write_1(tb, hb, 4, irq); + + DELAY(SEC_DELAY / 10); + bus_space_write_1(tb, hb, 4, irq | 0x01); + + DELAY(SEC_DELAY / 5); + + /* set card bit off */ + + bus_space_write_1(ta, ha, 0x80, 0); + DELAY(SEC_DELAY / 5); + + /* set card bit on */ + + bus_space_write_1(ta, ha, 0x80, 1); + DELAY(SEC_DELAY / 5); + + return 0; +} +#endif /* ISIC > 0 */ |
