256 lines
6.6 KiB
C
256 lines
6.6 KiB
C
/* $NetBSD: ucb1200.c,v 1.6 2001/09/15 12:47:07 uch Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end
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*/
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#define UCB1200DEBUG
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#include "opt_tx39_debug.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <hpcmips/tx/tx39var.h>
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#include <hpcmips/tx/tx39sibvar.h>
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#include <hpcmips/tx/tx39sibreg.h>
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#include <hpcmips/dev/ucb1200var.h>
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#include <hpcmips/dev/ucb1200reg.h>
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#ifdef UCB1200DEBUG
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int ucb1200debug = 1;
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#define DPRINTF(arg) if (ucb1200debug) printf arg;
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#define DPRINTFN(n, arg) if (ucb1200debug > (n)) printf arg;
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#else
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#define DPRINTF(arg)
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#define DPRINTFN(n, arg)
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#endif
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struct ucbchild_state {
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int (*cs_busy)(void *);
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void *cs_arg;
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};
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struct ucb1200_softc {
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struct device sc_dev;
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struct device *sc_parent; /* parent (TX39 SIB module) */
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tx_chipset_tag_t sc_tc;
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int sc_snd_rate; /* passed down from SIB module */
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int sc_tel_rate;
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/* inquire child module state */
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struct ucbchild_state sc_child[UCB1200_MODULE_MAX];
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};
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int ucb1200_match(struct device *, struct cfdata *, void *);
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void ucb1200_attach(struct device *, struct device *, void *);
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int ucb1200_print(void *, const char *);
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int ucb1200_search(struct device *, struct cfdata *, void *);
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int ucb1200_check_id(u_int16_t, int);
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#ifdef UCB1200DEBUG
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void ucb1200_dump(struct ucb1200_softc *);
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#endif
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struct cfattach ucb_ca = {
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sizeof(struct ucb1200_softc), ucb1200_match, ucb1200_attach
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};
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const struct ucb_id {
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u_int16_t id;
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const char *product;
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} ucb_id[] = {
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{ UCB1100_ID, "PHILIPS UCB1100" },
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{ UCB1200_ID, "PHILIPS UCB1200" },
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{ UCB1300_ID, "PHILIPS UCB1300" },
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{ TC35413F_ID, "TOSHIBA TC35413F" },
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{ 0, 0 }
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};
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int
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ucb1200_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct txsib_attach_args *sa = aux;
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u_int16_t reg;
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if (sa->sa_slot != 0) /* UCB1200 must be subframe 0 */
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return (0);
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reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG);
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return (ucb1200_check_id(reg, 0));
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}
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void
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ucb1200_attach(struct device *parent, struct device *self, void *aux)
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{
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struct txsib_attach_args *sa = aux;
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struct ucb1200_softc *sc = (void*)self;
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u_int16_t reg;
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printf(": ");
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sc->sc_tc = sa->sa_tc;
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sc->sc_parent = parent;
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sc->sc_snd_rate = sa->sa_snd_rate;
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sc->sc_tel_rate = sa->sa_tel_rate;
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tx39sib_enable1(sc->sc_parent);
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tx39sib_enable2(sc->sc_parent);
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#ifdef UCB1200DEBUG
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if (ucb1200debug)
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ucb1200_dump(sc);
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#endif
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reg = txsibsf0_reg_read(sa->sa_tc, UCB1200_ID_REG);
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(void)ucb1200_check_id(reg, 1);
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printf("\n");
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config_search(ucb1200_search, self, ucb1200_print);
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}
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int
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ucb1200_search(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct ucb1200_softc *sc = (void*)parent;
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struct ucb1200_attach_args ucba;
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ucba.ucba_tc = sc->sc_tc;
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ucba.ucba_snd_rate = sc->sc_snd_rate;
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ucba.ucba_tel_rate = sc->sc_tel_rate;
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ucba.ucba_sib = sc->sc_parent;
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ucba.ucba_ucb = parent;
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if ((*cf->cf_attach->ca_match)(parent, cf, &ucba))
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config_attach(parent, cf, &ucba, ucb1200_print);
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return (0);
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}
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int
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ucb1200_print(void *aux, const char *pnp)
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{
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return (pnp ? QUIET : UNCONF);
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}
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int
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ucb1200_check_id(u_int16_t idreg, int print)
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{
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int i;
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for (i = 0; ucb_id[i].product; i++) {
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if (ucb_id[i].id == idreg) {
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if (print) {
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printf("%s", ucb_id[i].product);
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}
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return (1);
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}
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}
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return (0);
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}
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void
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ucb1200_state_install(struct device *dev, int (*sfun)(void *), void *sarg,
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int sid)
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{
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struct ucb1200_softc *sc = (void*)dev;
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sc->sc_child[sid].cs_busy = sfun;
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sc->sc_child[sid].cs_arg = sarg;
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}
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int
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ucb1200_state_idle(dev)
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struct device *dev;
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{
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struct ucb1200_softc *sc = (void*)dev;
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struct ucbchild_state *cs;
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int i;
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cs = sc->sc_child;
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for (i = 0; i < UCB1200_MODULE_MAX; i++, cs++)
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if (cs->cs_busy)
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if ((*cs->cs_busy)(cs->cs_arg))
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return (0);
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return (1); /* idle state */
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}
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#ifdef UCB1200DEBUG
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void
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ucb1200_dump(struct ucb1200_softc *sc)
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{
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const char *regname[] = {
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"IO_DATA ",
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"IO_DIR ",
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"POSINTEN ",
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"NEGINTEN ",
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"INTSTAT ",
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"TELECOMCTRLA ",
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"TELECOMCTRLB ",
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"AUDIOCTRLA ",
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"AUDIOCTRLB ",
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"TOUCHSCREENCTRL",
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"ADCCTRL ",
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"ADCDATA ",
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"ID ",
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"MODE ",
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"RESERVED ",
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"NULL "
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};
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tx_chipset_tag_t tc;
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u_int16_t reg;
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int i;
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tc = sc->sc_tc;
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printf("\n\t[UCB1200 register]\n");
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for (i = 0; i < 16; i++) {
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reg = txsibsf0_reg_read(tc, i);
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printf("%s(%02d) 0x%04x ", regname[i], i, reg);
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bitdisp(reg);
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}
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}
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#endif /* UCB1200DEBUG */
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