diff options
Diffstat (limited to 'sys/i4b/layer1/isic/i4b_avm_a1.c')
-rw-r--r-- | sys/i4b/layer1/isic/i4b_avm_a1.c | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/sys/i4b/layer1/isic/i4b_avm_a1.c b/sys/i4b/layer1/isic/i4b_avm_a1.c new file mode 100644 index 0000000..ee076f0 --- /dev/null +++ b/sys/i4b/layer1/isic/i4b_avm_a1.c @@ -0,0 +1,420 @@ +/* + * Copyright (c) 1996 Andrew Gordon. 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. + * + *--------------------------------------------------------------------------- + * + * i4b_avm_a1.c - AVM A1/Fritz passive card driver for isdn4bsd + * ------------------------------------------------------------ + * + * $Id: i4b_avm_a1.c,v 1.3 2000/05/29 15:41:41 hm Exp $ + * + * $FreeBSD$ + * + * last edit-date: [Mon May 29 16:42:06 2000] + * + *---------------------------------------------------------------------------*/ + +#include "isic.h" +#include "opt_i4b.h" + +#if NISIC > 0 && defined(AVM_A1) + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/mbuf.h> +#include <sys/socket.h> + +#include <net/if.h> + +#include <machine/clock.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> + +/*---------------------------------------------------------------------------* + * AVM A1 and AVM Fritz! Card special registers + *---------------------------------------------------------------------------*/ + +#define AVM_CONF_REG 0x1800 /* base offset for config register */ +#define AVM_CONF_IRQ 0x1801 /* base offset for IRQ register */ + /* config register write */ +#define AVM_CONF_WR_RESET 0x01 /* 1 = RESET ISAC and HSCX */ +#define AVM_CONF_WR_CCL 0x02 /* 1 = clear counter low nibble */ +#define AVM_CONF_WR_CCH 0x04 /* 1 = clear counter high nibble */ +#define AVM_CONF_WR_IRQEN 0x08 /* 1 = enable IRQ */ +#define AVM_CONF_WR_TEST 0x10 /* test bit */ + /* config register read */ +#define AVM_CONF_RD_IIRQ 0x01 /* 0 = ISAC IRQ active */ +#define AVM_CONF_RD_HIRQ 0x02 /* 0 = HSCX IRQ active */ +#define AVM_CONF_RD_CIRQ 0x04 /* 0 = counter IRQ active */ +#define AVM_CONF_RD_ZER1 0x08 /* unused, always read 0 */ +#define AVM_CONF_RD_TEST 0x10 /* test bit read back */ +#define AVM_CONF_RD_ZER2 0x20 /* unused, always read 0 */ + +#define AVM_ISAC_R_OFFS (0x1400-0x20) +#define AVM_HSCXA_R_OFFS (0x400-0x20) +#define AVM_HSCXB_R_OFFS (0xc00-0x20) +#define AVM_ISAC_F_OFFS (0x1400-0x20-0x3e0) +#define AVM_HSCXA_F_OFFS (0x400-0x20-0x3e0) +#define AVM_HSCXB_F_OFFS (0xc00-0x20-0x3e0) + +/*---------------------------------------------------------------------------* + * AVM read fifo routine + *---------------------------------------------------------------------------*/ +static void +avma1_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+4]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]); + bus_space_read_multi_1(t, h, 0, buf, size); +} + +/*---------------------------------------------------------------------------* + * AVM write fifo routine + *---------------------------------------------------------------------------*/ +static void +avma1_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+4]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]); + bus_space_write_multi_1(t, h, 0, (u_int8_t*)buf, size); +} + +/*---------------------------------------------------------------------------* + * AVM write register routine + *---------------------------------------------------------------------------*/ +static void +avma1_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+1]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]); + bus_space_write_1(t, h, offs, data); +} + +/*---------------------------------------------------------------------------* + * AVM read register routine + *---------------------------------------------------------------------------*/ +static u_int8_t +avma1_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+1]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]); + return bus_space_read_1(t, h, offs); +} + +/*---------------------------------------------------------------------------* + * allocate an io port + *---------------------------------------------------------------------------*/ +static int +isic_alloc_port(device_t dev, int rid, u_int base, u_int len) +{ + size_t unit = device_get_unit(dev); + struct l1_softc *sc = &l1_sc[unit]; + + sc->sc_resources.io_rid[rid] = rid; + + bus_set_resource(dev, SYS_RES_IOPORT, rid, base, len); + + if(!(sc->sc_resources.io_base[rid] = + bus_alloc_resource(dev, SYS_RES_IOPORT, + &sc->sc_resources.io_rid[rid], + 0ul, ~0ul, 1, RF_ACTIVE))) + { + printf("isic%d: Error, failed to reserve io #%d!\n", unit, rid); + isic_detach_common(dev); + return(ENXIO); + } + return(0); +} + +/*---------------------------------------------------------------------------* + * isic_probe_avma1 - probe for AVM A1 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_probe_avma1(device_t dev) +{ + size_t unit = device_get_unit(dev); /* get unit */ + struct l1_softc *sc = 0; /* pointer to softc */ + void *ih = 0; /* dummy */ + bus_space_tag_t t; /* bus things */ + bus_space_handle_t h; + u_char savebyte; + u_char byte; + + /* check max unit range */ + + if(unit >= ISIC_MAXUNIT) + { + printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for AVM A1/Fritz!\n", + unit, unit); + return(ENXIO); + } + + sc = &l1_sc[unit]; /* get pointer to softc */ + sc->sc_unit = unit; /* set unit */ + sc->sc_flags = FLAG_AVM_A1; /* 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 get iobase for AVM A1/Fritz!\n", + unit); + return(ENXIO); + } + + /* set io base */ + + sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]); + + /* release io base */ + + bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0], + sc->sc_resources.io_base[0]); + + switch(sc->sc_port) + { + case 0x200: + case 0x240: + case 0x300: + case 0x340: + break; + + default: + printf("isic%d: Error, invalid iobase 0x%x specified for AVM A1/Fritz!\n", + unit, sc->sc_port); + return(ENXIO); + break; + } + + if(isic_alloc_port(dev, 0, sc->sc_port+AVM_CONF_REG, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 1, sc->sc_port+AVM_ISAC_R_OFFS, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 2, sc->sc_port+AVM_HSCXA_R_OFFS, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 3, sc->sc_port+AVM_HSCXB_R_OFFS, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 4, sc->sc_port+AVM_ISAC_F_OFFS, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 5, sc->sc_port+AVM_HSCXA_F_OFFS, 0x20)) + return(ENXIO); + + if(isic_alloc_port(dev, 6, sc->sc_port+AVM_HSCXB_F_OFFS, 0x20)) + 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 get an irq for AVM A1/Fritz!\n",unit); + isic_detach_common(dev); + return ENXIO; + } + + /* get the irq number */ + sc->sc_irq = rman_get_start(sc->sc_resources.irq); + + /* register interupt routine */ + bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET, + (void(*)(void *))(isicintr), + sc, &ih); + + /* check IRQ validity */ + + switch(sc->sc_irq) + { + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + break; + + default: + printf("isic%d: Error, invalid IRQ [%d] specified for AVM A1/Fritz!\n", + unit, sc->sc_irq); + isic_detach_common(dev); + return(ENXIO); + break; + } + + sc->clearirq = NULL; + sc->readreg = avma1_read_reg; + sc->writereg = avma1_write_reg; + + sc->readfifo = avma1_read_fifo; + sc->writefifo = avma1_write_fifo; + + /* setup card type */ + + sc->sc_cardtyp = CARD_TYPEP_AVMA1; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM2; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + /* + * Read HSCX A/B VSTR. + * Expected value for AVM A1 is 0x04 or 0x05 and for the + * AVM Fritz!Card is 0x05 in the least significant bits. + */ + + if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) && + ((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) || + (((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) && + ((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) ) + { + printf("isic%d: HSCX VSTR test failed for AVM A1/Fritz\n", + unit); + printf("isic%d: HSC0: VSTR: %#x\n", + unit, HSCX_READ(0, H_VSTR)); + printf("isic%d: HSC1: VSTR: %#x\n", + unit, HSCX_READ(1, H_VSTR)); + return(ENXIO); + } + + /* AVM A1 or Fritz! control register bits: */ + /* read write */ + /* 0x01 hscx irq* RESET */ + /* 0x02 isac irq* clear counter1 */ + /* 0x04 counter irq* clear counter2 */ + /* 0x08 always 0 irq enable */ + /* 0x10 read test bit set test bit */ + /* 0x20 always 0 unused */ + + /* + * XXX the following test may be destructive, to prevent the + * worst case, we save the byte first, and in case the test + * fails, we write back the saved byte ..... + */ + + t = rman_get_bustag(sc->sc_resources.io_base[0]); + h = rman_get_bushandle(sc->sc_resources.io_base[0]); + + savebyte = bus_space_read_1(t, h, 0); + + /* write low to test bit */ + + bus_space_write_1(t, h, 0, 0x00); + + /* test bit and next higher and lower bit must be 0 */ + + if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x00) + { + printf("isic%d: Error, probe-1 failed, 0x%02x should be 0x00 for AVM A1/Fritz!\n", + unit, byte); + bus_space_write_1(t, h, 0, savebyte); + return(ENXIO); + } + + /* write high to test bit */ + + bus_space_write_1(t, h, 0, 0x10); + + /* test bit must be high, next higher and lower bit must be 0 */ + + if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x10) + { + printf("isic%d: Error, probe-2 failed, 0x%02x should be 0x10 for AVM A1/Fritz!\n", + unit, byte); + bus_space_write_1(t, h, 0, savebyte); + return(ENXIO); + } + return(0); +} + +/*---------------------------------------------------------------------------* + * isic_attach_avma1 - attach AVM A1 and compatibles + *---------------------------------------------------------------------------*/ +int +isic_attach_avma1(device_t dev) +{ + size_t unit = device_get_unit(dev); + struct l1_softc *sc = &l1_sc[unit]; + bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]); + bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]); + + /* reset ISAC/HSCX */ + + bus_space_write_1(t, h, 0, 0x00); + DELAY(SEC_DELAY / 10); + + bus_space_write_1(t, h, 0, AVM_CONF_WR_RESET); + DELAY(SEC_DELAY / 10); + + bus_space_write_1(t, h, 0, 0x00); + DELAY(SEC_DELAY / 10); + + /* setup IRQ */ + + bus_space_write_1(t, h, 1, sc->sc_irq); + DELAY(SEC_DELAY / 10); + + /* enable IRQ, disable counter IRQ */ + + bus_space_write_1(t, h, 0, AVM_CONF_WR_IRQEN | + AVM_CONF_WR_CCH | AVM_CONF_WR_CCL); + DELAY(SEC_DELAY / 10); + + return(0); +} + +#endif /* NISIC > 0 && defined(AVM_A1) */ |