diff options
Diffstat (limited to 'sys/i4b/layer1/isic/i4b_elsa_qs1i.c')
| -rw-r--r-- | sys/i4b/layer1/isic/i4b_elsa_qs1i.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/sys/i4b/layer1/isic/i4b_elsa_qs1i.c b/sys/i4b/layer1/isic/i4b_elsa_qs1i.c new file mode 100644 index 0000000..40d4705 --- /dev/null +++ b/sys/i4b/layer1/isic/i4b_elsa_qs1i.c @@ -0,0 +1,249 @@ +/* + * 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. + * + * 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 ELSA Quickstep 1000pro ISA + * ===================================================================== + * + * $Id: i4b_elsa_qs1i.c,v 1.3 2000/05/29 15:41:41 hm Exp $ + * + * $FreeBSD$ + * + * last edit-date: [Mon May 29 16:44:08 2000] + * + *---------------------------------------------------------------------------*/ + +#include "isic.h" +#include "opt_i4b.h" + +#if (NISIC > 0) && defined(ELSA_QS1ISA) + +#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/include/i4b_l1l2.h> */ +#include <i4b/include/i4b_mbuf.h> + +#include <i4b/layer1/isic/i4b_isic.h> +#include <i4b/layer1/isic/i4b_isac.h> +#include <i4b/layer1/isic/i4b_hscx.h> + +static void i4b_eq1i_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 QuickStep 1000pro/ISA clear IRQ routine + *---------------------------------------------------------------------------*/ +static void +i4b_eq1i_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 QuickStep 1000pro/ISA ISAC get fifo routine + *---------------------------------------------------------------------------*/ +static void +eqs1pi_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 QuickStep 1000pro/ISA ISAC put fifo routine + *---------------------------------------------------------------------------*/ +static void +eqs1pi_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 QuickStep 1000pro/ISA ISAC put register routine + *---------------------------------------------------------------------------*/ +static void +eqs1pi_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 QuickStep 1000pro/ISA ISAC get register routine + *---------------------------------------------------------------------------*/ +static u_int8_t +eqs1pi_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_attach_Eqs1pi - attach for ELSA QuickStep 1000pro/ISA + *---------------------------------------------------------------------------*/ +int +isic_attach_Eqs1pi(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; + + /* setup access routines */ + + sc->clearirq = i4b_eq1i_clrirq; + sc->readreg = eqs1pi_read_reg; + sc->writereg = eqs1pi_write_reg; + + sc->readfifo = eqs1pi_read_fifo; + sc->writefifo = eqs1pi_write_fifo; + + /* setup card type */ + + sc->sc_cardtyp = CARD_TYPEP_ELSAQS1ISA; + + /* setup IOM bus type */ + + sc->sc_bustyp = BUS_TYPE_IOM2; + + sc->sc_ipac = 0; + sc->sc_bfifolen = HSCX_FIFO_LEN; + + /* enable the card */ + + 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 /* (NISIC > 0) && defined(ELSA_QS1ISA) */ |
