158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
/* $NetBSD: tx39ir.c,v 1.6 2002/10/02 05:26:50 thorpej 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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* TX39 IR module (connected to UARTB)
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*/
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#undef TX39IRDEBUG
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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/tx39icureg.h>
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#include <hpcmips/tx/tx39irvar.h>
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#include <hpcmips/tx/tx39irreg.h>
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#include <hpcmips/tx/tx39clockreg.h> /* XXX */
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#ifdef TX39IRDEBUG
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int tx39ir_debug = 1;
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#define DPRINTF(arg) if (vrpiu_debug) printf arg;
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#else
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#define DPRINTF(arg)
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#endif
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int tx39ir_match(struct device *, struct cfdata *, void *);
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void tx39ir_attach(struct device *, struct device *, void *);
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struct tx39ir_softc {
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struct device sc_dev;
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struct device *sc_parent;
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tx_chipset_tag_t sc_tc;
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};
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#ifdef TX39IRDEBUG
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static void tx39ir_dump(struct tx39ir_softc *);
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#endif
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#if not_required_yet
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static int tx39ir_intr(void *);
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#endif
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CFATTACH_DECL(tx39ir, sizeof(struct tx39ir_softc),
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tx39ir_match, tx39ir_attach, NULL, NULL);
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int
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tx39ir_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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return (ATTACH_NORMAL);
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}
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void
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tx39ir_attach(struct device *parent, struct device *self, void *aux)
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{
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struct txcom_attach_args *tca = aux;
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struct tx39ir_softc *sc = (void*)self;
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tx_chipset_tag_t tc;
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txreg_t reg;
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sc->sc_tc = tc = tca->tca_tc;
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sc->sc_parent = tca->tca_parent;
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printf("\n");
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/* setup IR module */
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reg = tx_conf_read(tc, TX39_IRCTRL1_REG);
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reg |= TX39_IRCTRL1_RXPWR;
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tx_conf_write(tc, TX39_IRCTRL1_REG, reg);
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/* power up IR module */
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reg = tx_conf_read(tc, TX39_CLOCKCTRL_REG);
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reg |= TX39_CLOCK_ENIRCLK | TX39_CLOCK_ENUARTBCLK;
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tx_conf_write(tc, TX39_CLOCKCTRL_REG, reg);
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/* turn to pulse mode UARTB */
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txcom_pulse_mode(sc->sc_parent);
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#if not_required_yet
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_CARSTINT),
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IST_EDGE, IPL_TTY, tx39ir_intr, sc);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSCARINT),
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IST_EDGE, IPL_TTY, tx39ir_intr, sc);
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tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGCARINT),
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IST_EDGE, IPL_TTY, tx39ir_intr, sc);
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#endif
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#ifdef TX39IRDEBUG
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tx39ir_dump(sc);
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#endif
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}
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#ifdef TX39IRDEBUG
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void
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tx39ir_dump(struct tx39ir_softc *sc)
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{
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tx_chipset_tag_t tc = sc->sc_tc;
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txreg_t reg;
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reg = tx_conf_read(tc, TX39_IRCTRL1_REG);
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#define ISSETPRINT(r, m) dbg_bitmask_print((u_int32_t)(r), \
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TX39_IRCTRL1_##m, #m)
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ISSETPRINT(reg, CARDET);
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ISSETPRINT(reg, TESTIR);
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ISSETPRINT(reg, DTINVERT);
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ISSETPRINT(reg, RXPWR);
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ISSETPRINT(reg, ENSTATE);
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ISSETPRINT(reg, ENCOMSM);
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#undef ISSETPRINT
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printf("baudval %d\n", TX39_IRCTRL1_BAUDVAL(reg));
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}
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#endif
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#if not_required_yet
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int
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tx39ir_intr(void *arg)
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{
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return (0);
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}
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#endif
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