/* * Copyright (c) 1999, 2001 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. * * 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 driver for ELSA MicroLink ISDN/PCC-16 and ELSA PCFpro * ================================================================ * last edit-date: [Sun Oct 21 09:42:17 2001] * *---------------------------------------------------------------------------*/ #include __FBSDID("$FreeBSD$"); #include "opt_i4b.h" #if defined(ELSA_PCC16) #include #include #include #include #include #include #include static void i4b_epcc16_clrirq(struct l1_softc *sc); /* masks for register encoded in base addr */ #define ELSA_BASE_MASK 0x0ffff #define ELSA_OFF_MASK 0xf0000 /* register id's to be encoded in base addr */ #define ELSA_IDISAC 0x00000 #define ELSA_IDHSCXA 0x10000 #define ELSA_IDHSCXB 0x20000 /* offsets from base address */ #define ELSA_OFF_ISAC 0x00 #define ELSA_OFF_HSCX 0x02 #define ELSA_OFF_OFF 0x03 #define ELSA_OFF_CTRL 0x04 #define ELSA_OFF_CFG 0x05 #define ELSA_OFF_TIMR 0x06 #define ELSA_OFF_IRQ 0x07 /* control register (write access) */ #define ELSA_CTRL_LED_YELLOW 0x02 #define ELSA_CTRL_LED_GREEN 0x08 #define ELSA_CTRL_RESET 0x20 #define ELSA_CTRL_TIMEREN 0x80 #define ELSA_CTRL_SECRET 0x50 /*---------------------------------------------------------------------------* * ELSA MicroLink ISDN/PCC-16 clear IRQ routine *---------------------------------------------------------------------------*/ static void i4b_epcc16_clrirq(struct l1_softc *sc) { 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]); bus_space_write_1(t, h, ELSA_OFF_IRQ, 0); } /*---------------------------------------------------------------------------* * ELSA MicroLink ISDN/PCC-16 ISAC get fifo routine *---------------------------------------------------------------------------*/ static void epcc16_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[0]); bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]); switch (what) { case ISIC_WHAT_ISAC: bus_space_write_1(t, h, ELSA_OFF_OFF, 0); bus_space_read_multi_1(t, h, ELSA_OFF_ISAC, buf, size); break; case ISIC_WHAT_HSCXA: bus_space_write_1(t, h, ELSA_OFF_OFF, 0); bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size); break; case ISIC_WHAT_HSCXB: bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40); bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size); break; } } /*---------------------------------------------------------------------------* * ELSA MicroLink ISDN/PCC-16 ISAC put fifo routine *---------------------------------------------------------------------------*/ static void epcc16_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[0]); bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]); switch (what) { case ISIC_WHAT_ISAC: bus_space_write_1(t, h, ELSA_OFF_OFF, 0); bus_space_write_multi_1(t, h, ELSA_OFF_ISAC, buf, size); break; case ISIC_WHAT_HSCXA: bus_space_write_1(t, h, ELSA_OFF_OFF, 0); bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size); break; case ISIC_WHAT_HSCXB: bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40); bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size); break; } } /*---------------------------------------------------------------------------* * ELSA MicroLink ISDN/PCC-16 ISAC put register routine *---------------------------------------------------------------------------*/ static void epcc16_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[0]); bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]); switch (what) { case ISIC_WHAT_ISAC: bus_space_write_1(t, h, ELSA_OFF_OFF, offs); bus_space_write_1(t, h, ELSA_OFF_ISAC, data); break; case ISIC_WHAT_HSCXA: bus_space_write_1(t, h, ELSA_OFF_OFF, offs); bus_space_write_1(t, h, ELSA_OFF_HSCX, data); break; case ISIC_WHAT_HSCXB: bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs); bus_space_write_1(t, h, ELSA_OFF_HSCX, data); break; } } /*---------------------------------------------------------------------------* * ELSA MicroLink ISDN/PCC-16 ISAC get register routine *---------------------------------------------------------------------------*/ static u_int8_t epcc16_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[0]); bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]); switch (what) { case ISIC_WHAT_ISAC: bus_space_write_1(t, h, ELSA_OFF_OFF, offs); return bus_space_read_1(t, h, ELSA_OFF_ISAC); case ISIC_WHAT_HSCXA: bus_space_write_1(t, h, ELSA_OFF_OFF, offs); return bus_space_read_1(t, h, ELSA_OFF_HSCX); case ISIC_WHAT_HSCXB: bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs); return bus_space_read_1(t, h, ELSA_OFF_HSCX); } return 0; } /*---------------------------------------------------------------------------* * isic_detach_Epcc16 - detach for ELSA MicroLink ISDN/PCC-16 *---------------------------------------------------------------------------*/ static void isic_detach_Epcc16(device_t dev) { struct l1_softc *sc = &l1_sc[device_get_unit(dev)]; if ( sc->sc_resources.irq ) { bus_teardown_intr(dev,sc->sc_resources.irq, (void(*)(void *))isicintr); bus_release_resource(dev,SYS_RES_IRQ, sc->sc_resources.irq_rid, sc->sc_resources.irq); sc->sc_resources.irq = 0; } if ( sc->sc_resources.io_base[0] ) { bus_release_resource(dev,SYS_RES_IOPORT, sc->sc_resources.io_rid[0], sc->sc_resources.io_base[0]); sc->sc_resources.io_base[0] = 0; } } /*---------------------------------------------------------------------------* * isic_probe_Epcc16 - probe for ELSA MicroLink ISDN/PCC-16 *---------------------------------------------------------------------------*/ int isic_probe_Epcc16(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 ELSA PCC-16!\n", unit, unit); return(ENXIO); } sc = &l1_sc[unit]; /* get pointer to softc */ sc->sc_unit = unit; /* set unit */ /* 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 ELSA PCC-16.\n", unit); return(ENXIO); } /* check if we got an iobase */ sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]); switch(sc->sc_port) { case 0x160: case 0x170: case 0x260: case 0x360: break; default: printf("isic%d: Error, invalid iobase 0x%x specified for ELSA MicroLink ISDN/PCC-16!\n", unit, sc->sc_port); isic_detach_Epcc16(dev); return(ENXIO); break; } /* setup access routines */ sc->clearirq = i4b_epcc16_clrirq; sc->readreg = epcc16_read_reg; sc->writereg = epcc16_write_reg; sc->readfifo = epcc16_read_fifo; sc->writefifo = epcc16_write_fifo; /* setup card type */ sc->sc_cardtyp = CARD_TYPEP_PCC16; /* 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 the ELSA PCC-16 * is 0x05 ( = version 2.1 ) in the least significant bits. */ if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) || ((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) ) { /* patch from "Doobee R . Tzeck" : * I own an ELSA PCFpro. To my knowledge, the ELSA PCC16 is * a stripped down Version on the PCFpro. By patching the * card detection routine for the PPC16 I was able to use * the PPC16 driver for the PCFpro. */ if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x85) || ((HSCX_READ(1, H_VSTR) & 0xf) != 0x85) ) { printf("isic%d: HSCX VSTR test failed for ELSA MicroLink ISDN/PCC-16\n", unit); isic_detach_Epcc16(dev); 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); } else { printf("isic%d: ELSA MicroLink ISDN/PCFpro found, going to tread it as PCC-16\n", unit); } } /* 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.\n",unit); isic_detach_Epcc16(dev); 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: case 3: case 5: case 10: case 11: case 15: break; default: printf("isic%d: Error, invalid IRQ [%d] specified for ELSA MicroLink ISDN/PCC-16!\n", unit, sc->sc_irq); isic_detach_Epcc16(dev); 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_Epcc16 - attach for ELSA MicroLink ISDN/PCC-16 *---------------------------------------------------------------------------*/ int isic_attach_Epcc16(device_t dev) { int 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]); u_char byte = ELSA_CTRL_SECRET; byte &= ~ELSA_CTRL_RESET; bus_space_write_1(t, h, ELSA_OFF_CTRL, byte); DELAY(20); byte |= ELSA_CTRL_RESET; bus_space_write_1(t, h, ELSA_OFF_CTRL, byte); DELAY(20); bus_space_write_1(t, h, ELSA_OFF_IRQ, 0xff); return 0; } #endif /* defined(ELSA_PCC16) */