text: /*	$OpenBSD: com_dino.c,v 1.4 2007/07/15 19:25:49 kettenis Exp $	*/
  
  /*
   * Copyright (c) 2004 Michael Shalayeff
   * 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 ``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 HIS RELATIVES 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 MIND, 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.
   */
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/device.h>
  #include <sys/tty.h>
  
  #include <machine/bus.h>
  #include <machine/intr.h>
  #include <machine/iomod.h>
  #include <machine/autoconf.h>
  
  #include <dev/ic/comreg.h>
  #include <dev/ic/comvar.h>
  
  #include <hppa/dev/cpudevs.h>
  
  void *dino_intr_establish(void *sc, int irq, int pri,
      int (*handler)(void *v), void *arg, const char *name);
  
  #define	COM_DINO_FREQ	7272700
  
  struct com_dino_regs {
  	u_int8_t	reset;
  	u_int8_t	pad0[3];
  	u_int8_t	test;
  #define	COM_DINO_PAR_LOOP	0x01
  #define	COM_DINO_CLK_SEL	0x02
  	u_int8_t	pad1[3];
  	u_int32_t	iodc;
  	u_int8_t	pad2[0x54];
  	u_int8_t	dither;
  };
  
  int	com_dino_match(struct device *, void *, void *);
  void	com_dino_attach(struct device *, struct device *, void *);
  
  struct cfattach com_dino_ca = {
  	sizeof(struct com_softc), com_dino_match, com_dino_attach
  };
  
  int
  com_dino_match(parent, match, aux)
  	struct device *parent;
  	void *match, *aux;
  {
  	struct confargs *ca = aux;
  
  	if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
  	    ca->ca_type.iodc_sv_model != HPPA_FIO_GRS232)
  		return (0);
  
  	return (1);
  	/* HOZER comprobe1(ca->ca_iot, ca->ca_hpa + IOMOD_DEVOFFSET); */
  }
  
  void
  com_dino_attach(parent, self, aux)
  	struct device *parent, *self;
  	void *aux;
  {
  	struct com_softc *sc = (void *)self;
  	struct confargs *ca = aux;
  	struct com_dino_regs *regs = (struct com_dino_regs *)ca->ca_hpa;
  
  	sc->sc_iot = ca->ca_iot;
  	sc->sc_iobase = (bus_addr_t)ca->ca_hpa + IOMOD_DEVOFFSET;
  
  	if (bus_space_map(sc->sc_iot, sc->sc_iobase, COM_NPORTS,
  	    0, &sc->sc_ioh)) {
  		printf(": cannot map io space\n");
  		return;
  	}
  
  	if (PAGE0->mem_cons.pz_class == PCL_DUPLEX &&
  	    PAGE0->mem_cons.pz_hpa == ca->ca_hpa) {
  		bus_space_unmap(sc->sc_iot, sc->sc_ioh, COM_NPORTS);
  		comcnattach(sc->sc_iot, sc->sc_iobase, comdefaultrate,
  		    COM_DINO_FREQ, comconscflag);
  	}
  
  	/* select clock freq */
  	regs->test = COM_DINO_CLK_SEL;
  	sc->sc_frequency = COM_DINO_FREQ;
  
  	com_attach_subr(sc);
  
  	sc->sc_ih = dino_intr_establish(parent, ca->ca_irq, IPL_TTY,
  	    comintr, sc, sc->sc_dev.dv_xname);
  }
  