diff options
Diffstat (limited to 'sys/i4b/layer1/i4b_tel_s08.c')
| -rw-r--r-- | sys/i4b/layer1/i4b_tel_s08.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/sys/i4b/layer1/i4b_tel_s08.c b/sys/i4b/layer1/i4b_tel_s08.c new file mode 100644 index 0000000..6115e12 --- /dev/null +++ b/sys/i4b/layer1/i4b_tel_s08.c @@ -0,0 +1,389 @@ +/* + * Copyright (c) 1996 Arne Helme. All rights reserved. + * + * Copyright (c) 1996 Gary Jennejohn. All rights reserved. + * + * Copyright (c) 1997, 1998 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 1.13 1998/12/05 18:04:59 hm Exp $ + * + * last edit-date: [Fri Dec 4 10:39:12 1998] + * + * -hm clean up + * -hm more cleanup + * -hm NetBSD patches from Martin + * -hm making it finally work (checked with board revision 1.2) + * -hm converting asm -> C + * + *---------------------------------------------------------------------------*/ + +#if defined(__FreeBSD__) +#include "isic.h" +#include "opt_i4b.h" +#else +#define NISIC 1 +#endif +#if NISIC > 0 && defined(TEL_S0_8) + +#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 <machine/md_var.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> +#endif + +#include <i4b/layer1/i4b_l1.h> +#include <i4b/layer1/i4b_isac.h> +#include <i4b/layer1/i4b_hscx.h> + +#include <i4b/include/i4b_global.h> +#include <i4b/include/i4b_l1l2.h> +#include <i4b/include/i4b_mbuf.h> + +#ifndef __FreeBSD__ +static u_int8_t tels08_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs)); +static void tels08_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)); +static void tels08_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size)); +static void tels08_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size)); +#endif + +/*---------------------------------------------------------------------------* + * Teles S0/8 write register routine + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ + +static void +tels08_write_reg(u_char *base, u_int i, u_int v) +{ + if(i & 0x01) + i |= 0x200; + base[i] = v; +} + +#else + +static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 }; + +static void +tels08_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; + + offs += offset[what]; + + if (offs & 0x01) + offs |= 0x200; + + bus_space_write_1(t, h, offs, data); +} +#endif + +/*---------------------------------------------------------------------------* + * Teles S0/8 read register routine + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ + +static u_char +tels08_read_reg(u_char *base, u_int i) +{ + if(i & 0x1) + i |= 0x200; + return(base[i]); +} + +#else + +static u_int8_t +tels08_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; + + offs += offset[what]; + + if (offs & 0x01) + offs |= 0x200; + + return bus_space_read_1(t, h, offs); +} +#endif + +/*---------------------------------------------------------------------------* + * Teles S0/8 fifo read/write access + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ + +static void +tels08_memcpyb(void *to, const void *from, size_t len) +{ + for(;len > 0; len--) + *((unsigned char *)to)++ = *((unsigned char *)from)++; +} + +#else + +static void +tels08_write_fifo(struct isic_softc *sc, int what, const void *data, size_t size) +{ + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; + bus_space_write_region_1(t, h, offset[what], data, size); +} + +static void +tels08_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; + bus_space_read_region_1(t, h, offset[what], buf, size); +} +#endif + +/*---------------------------------------------------------------------------* + * isic_probe_s08 - probe for Teles S0/8 and compatibles + *---------------------------------------------------------------------------*/ +#ifdef __FreeBSD__ + +int +isic_probe_s08(struct isa_device *dev) +{ + struct isic_softc *sc = &isic_sc[dev->id_unit]; + + /* check max unit range */ + + if(dev->id_unit >= ISIC_MAXUNIT) + { + printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/8!\n", + dev->id_unit, dev->id_unit); + return(0); + } + sc->sc_unit = dev->id_unit; + + /* check IRQ validity */ + + switch(ffs(dev->id_irq)-1) + { + 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", + dev->id_unit, ffs(dev->id_irq)-1); + return(0); + break; + } + sc->sc_irq = dev->id_irq; + + /* check if we got an iobase */ + + if(dev->id_iobase > 0) + { + printf("isic%d: Error, iobase specified for Teles S0/8!\n", + dev->id_unit); + return(0); + } + + /* check if inside memory range of 0xA0000 .. 0xDF000 */ + + if( (kvtop(dev->id_maddr) < 0xa0000) || + (kvtop(dev->id_maddr) > 0xdf000) ) + { + printf("isic%d: Error, mem addr 0x%lx outside 0xA0000-0xDF000 for Teles S0/8!\n", + dev->id_unit, kvtop(dev->id_maddr)); + return(0); + } + + sc->sc_vmem_addr = (caddr_t) dev->id_maddr; + dev->id_msize = 0x1000; + + /* setup ISAC access routines */ + + sc->clearirq = NULL; + sc->readreg = tels08_read_reg; + sc->writereg = tels08_write_reg; + + sc->readfifo = tels08_memcpyb; + sc->writefifo = tels08_memcpyb; + + /* setup card type */ + + sc->sc_cardtyp = CARD_TYPEP_8; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM1; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + /* setup ISAC base addr */ + + ISAC_BASE = (caddr_t)((dev->id_maddr) + 0x100); + + /* setup HSCX base addr */ + + HSCX_A_BASE = (caddr_t)((dev->id_maddr) + 0x180); + HSCX_B_BASE = (caddr_t)((dev->id_maddr) + 0x1c0); + + return (1); +} + +#else + +int +isic_probe_s08(struct isic_attach_args *ia) +{ + /* no real sensible probe is easy - write to fifo memory + and read back to verify there is memory doesn't work, + because you talk to tx fifo and rcv fifo. So, just check + HSCX version, which at least fails if no card present + at the given location. */ + bus_space_tag_t t = ia->ia_maps[0].t; + bus_space_handle_t h = ia->ia_maps[0].h; + u_int8_t v1, v2; + + /* HSCX A VSTR */ + v1 = bus_space_read_1(t, h, offset[1] + H_VSTR) & 0x0f; + if (v1 != HSCX_VA1 && v1 != HSCX_VA2 && v1 != HSCX_VA3 && v1 != HSCX_V21) + return 0; + + /* HSCX B VSTR */ + v2 = bus_space_read_1(t, h, offset[2] + H_VSTR) & 0x0f; + if (v2 != HSCX_VA1 && v2 != HSCX_VA2 && v2 != HSCX_VA3 && v2 != HSCX_V21) + return 0; + + /* both HSCX channels should have the same version... */ + if (v1 != v2) + return 0; + + return 1; +} +#endif + +/*---------------------------------------------------------------------------* + * isic_attach_s08 - attach Teles S0/8 and compatibles + *---------------------------------------------------------------------------*/ +int +#ifdef __FreeBSD__ +isic_attach_s08(struct isa_device *dev) +#else +isic_attach_s08(struct isic_softc *sc) +#endif +{ +#ifdef __FreeBSD__ + struct isic_softc *sc = &isic_sc[dev->id_unit]; +#else + bus_space_tag_t t = sc->sc_maps[0].t; + bus_space_handle_t h = sc->sc_maps[0].h; +#endif + + /* set card off */ + +#ifdef __FreeBSD__ + sc->sc_vmem_addr[0x80] = 0; +#else + bus_space_write_1(t, h, 0x80, 0); +#endif + + DELAY(SEC_DELAY / 5); + + /* set card on */ + +#ifdef __FreeBSD__ + sc->sc_vmem_addr[0x80] = 1; +#else + bus_space_write_1(t, h, 0x80, 1); +#endif + + DELAY(SEC_DELAY / 5); + +#ifndef __FreeBSD__ + + /* 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; + + /* setup card type */ + + sc->sc_cardtyp = CARD_TYPEP_8; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM1; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + +#endif + + return (1); +} + +#endif /* ISIC > 0 */ + |
