238 lines
7.7 KiB
C
238 lines
7.7 KiB
C
/*-
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* Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------
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*
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* isic - I4B Siemens ISDN Chipset Driver for ELSA Quickstep 1000pro ISA
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* =====================================================================
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* last edit-date: [Wed Jan 24 09:09:03 2001]
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*
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*---------------------------------------------------------------------------*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_i4b.h"
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#if defined(ELSA_QS1ISA)
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <machine/i4b_ioctl.h>
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#include <i4b/layer1/isic/i4b_isic.h>
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#include <i4b/layer1/isic/i4b_hscx.h>
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static void i4b_eq1i_clrirq(struct l1_softc *sc);
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/* masks for register encoded in base addr */
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#define ELSA_BASE_MASK 0x0ffff
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#define ELSA_OFF_MASK 0xf0000
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/* register id's to be encoded in base addr */
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#define ELSA_IDISAC 0x00000
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#define ELSA_IDHSCXA 0x10000
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#define ELSA_IDHSCXB 0x20000
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/* offsets from base address */
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#define ELSA_OFF_ISAC 0x00
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#define ELSA_OFF_HSCX 0x02
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#define ELSA_OFF_OFF 0x03
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#define ELSA_OFF_CTRL 0x04
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#define ELSA_OFF_CFG 0x05
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#define ELSA_OFF_TIMR 0x06
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#define ELSA_OFF_IRQ 0x07
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/* control register (write access) */
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#define ELSA_CTRL_LED_YELLOW 0x02
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#define ELSA_CTRL_LED_GREEN 0x08
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#define ELSA_CTRL_RESET 0x20
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#define ELSA_CTRL_TIMEREN 0x80
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#define ELSA_CTRL_SECRET 0x50
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/*---------------------------------------------------------------------------*
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* ELSA QuickStep 1000pro/ISA clear IRQ routine
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*---------------------------------------------------------------------------*/
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static void
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i4b_eq1i_clrirq(struct l1_softc *sc)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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bus_space_write_1(t, h, ELSA_OFF_IRQ, 0);
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}
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/*---------------------------------------------------------------------------*
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* ELSA QuickStep 1000pro/ISA ISAC get fifo routine
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*---------------------------------------------------------------------------*/
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static void
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eqs1pi_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch (what) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
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bus_space_read_multi_1(t, h, ELSA_OFF_ISAC, buf, size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
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bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40);
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bus_space_read_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* ELSA QuickStep 1000pro/ISA ISAC put fifo routine
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*---------------------------------------------------------------------------*/
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static void
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eqs1pi_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch (what) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
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bus_space_write_multi_1(t, h, ELSA_OFF_ISAC, buf, size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0);
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bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40);
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bus_space_write_multi_1(t, h, ELSA_OFF_HSCX, buf, size);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* ELSA QuickStep 1000pro/ISA ISAC put register routine
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*---------------------------------------------------------------------------*/
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static void
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eqs1pi_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch (what) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
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bus_space_write_1(t, h, ELSA_OFF_ISAC, data);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
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bus_space_write_1(t, h, ELSA_OFF_HSCX, data);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs);
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bus_space_write_1(t, h, ELSA_OFF_HSCX, data);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* ELSA QuickStep 1000pro/ISA ISAC get register routine
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*---------------------------------------------------------------------------*/
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static u_int8_t
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eqs1pi_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch (what) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
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return bus_space_read_1(t, h, ELSA_OFF_ISAC);
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t, h, ELSA_OFF_OFF, offs);
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return bus_space_read_1(t, h, ELSA_OFF_HSCX);
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t, h, ELSA_OFF_OFF, 0x40+offs);
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return bus_space_read_1(t, h, ELSA_OFF_HSCX);
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*
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* isic_attach_Eqs1pi - attach for ELSA QuickStep 1000pro/ISA
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*---------------------------------------------------------------------------*/
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int
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isic_attach_Eqs1pi(device_t dev)
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{
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int unit = device_get_unit(dev);
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struct l1_softc *sc = &l1_sc[unit];
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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u_char byte = ELSA_CTRL_SECRET;
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/* setup access routines */
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sc->clearirq = i4b_eq1i_clrirq;
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sc->readreg = eqs1pi_read_reg;
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sc->writereg = eqs1pi_write_reg;
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sc->readfifo = eqs1pi_read_fifo;
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sc->writefifo = eqs1pi_write_fifo;
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/* setup card type */
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sc->sc_cardtyp = CARD_TYPEP_ELSAQS1ISA;
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/* setup IOM bus type */
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sc->sc_bustyp = BUS_TYPE_IOM2;
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sc->sc_ipac = 0;
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sc->sc_bfifolen = HSCX_FIFO_LEN;
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/* enable the card */
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byte &= ~ELSA_CTRL_RESET;
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bus_space_write_1(t, h, ELSA_OFF_CTRL, byte);
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DELAY(20);
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byte |= ELSA_CTRL_RESET;
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bus_space_write_1(t, h, ELSA_OFF_CTRL, byte);
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DELAY(20);
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bus_space_write_1(t, h, ELSA_OFF_IRQ, 0xff);
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return 0;
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}
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#endif /* defined(ELSA_QS1ISA) */
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