150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/* $NetBSD: tx39ir.c,v 1.1 2000/01/13 17:53:35 uch Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2000, by UCHIYAMA Yasushi
|
|
* 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. The name of the developer may NOT be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* TX39 IR module (connected to UARTB)
|
|
*/
|
|
#undef TX39IRDEBUG
|
|
#include "opt_tx39_debug.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <hpcmips/tx/tx39var.h>
|
|
#include <hpcmips/tx/tx39icureg.h>
|
|
#include <hpcmips/tx/tx39irvar.h>
|
|
#include <hpcmips/tx/tx39irreg.h>
|
|
|
|
#include <hpcmips/tx/tx39clockreg.h> /* XXX */
|
|
|
|
#ifdef TX39IRDEBUG
|
|
int tx39ir_debug = 1;
|
|
#define DPRINTF(arg) if (vrpiu_debug) printf arg;
|
|
#else
|
|
#define DPRINTF(arg)
|
|
#endif
|
|
|
|
int tx39ir_match __P((struct device*, struct cfdata*, void*));
|
|
void tx39ir_attach __P((struct device*, struct device*, void*));
|
|
|
|
struct tx39ir_softc {
|
|
struct device sc_dev;
|
|
struct device *sc_parent;
|
|
tx_chipset_tag_t sc_tc;
|
|
};
|
|
|
|
void tx39ir_dump __P((struct tx39ir_softc*));
|
|
int tx39ir_intr __P((void*));
|
|
|
|
struct cfattach tx39ir_ca = {
|
|
sizeof(struct tx39ir_softc), tx39ir_match, tx39ir_attach
|
|
};
|
|
|
|
int
|
|
tx39ir_match(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
tx39ir_attach(parent, self, aux)
|
|
struct device *parent;
|
|
struct device *self;
|
|
void *aux;
|
|
{
|
|
struct txcom_attach_args *tca = aux;
|
|
struct tx39ir_softc *sc = (void*)self;
|
|
tx_chipset_tag_t tc;
|
|
txreg_t reg;
|
|
|
|
sc->sc_tc = tc = tca->tca_tc;
|
|
sc->sc_parent = tca->tca_parent;
|
|
|
|
printf("\n");
|
|
|
|
/* setup IR module */
|
|
reg = tx_conf_read(tc, TX39_IRCTRL1_REG);
|
|
reg |= TX39_IRCTRL1_RXPWR;
|
|
tx_conf_write(tc, TX39_IRCTRL1_REG, reg);
|
|
|
|
/* power up IR module */
|
|
reg = tx_conf_read(tc, TX39_CLOCKCTRL_REG);
|
|
reg |= TX39_CLOCK_ENIRCLK | TX39_CLOCK_ENUARTBCLK;
|
|
tx_conf_write(tc, TX39_CLOCKCTRL_REG, reg);
|
|
|
|
/* turn to pulse mode UARTB */
|
|
txcom_pulse_mode(sc->sc_parent);
|
|
|
|
#if not_required_yet
|
|
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_CARSTINT),
|
|
IST_EDGE, IPL_TTY, tx39ir_intr, sc);
|
|
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSCARINT),
|
|
IST_EDGE, IPL_TTY, tx39ir_intr, sc);
|
|
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGCARINT),
|
|
IST_EDGE, IPL_TTY, tx39ir_intr, sc);
|
|
#endif
|
|
|
|
#ifdef TX39IRDEBUG
|
|
tx39ir_dump(sc);
|
|
#endif
|
|
}
|
|
|
|
#define ISSETPRINT(r, m) __is_set_print((u_int32_t)(r), \
|
|
TX39_IRCTRL1_##m, #m)
|
|
|
|
void
|
|
tx39ir_dump(sc)
|
|
struct tx39ir_softc *sc;
|
|
{
|
|
tx_chipset_tag_t tc = sc->sc_tc;
|
|
txreg_t reg;
|
|
|
|
reg = tx_conf_read(tc, TX39_IRCTRL1_REG);
|
|
ISSETPRINT(reg, CARDET);
|
|
ISSETPRINT(reg, TESTIR);
|
|
ISSETPRINT(reg, DTINVERT);
|
|
ISSETPRINT(reg, RXPWR);
|
|
ISSETPRINT(reg, ENSTATE);
|
|
ISSETPRINT(reg, ENCOMSM);
|
|
printf("baudval %d\n", TX39_IRCTRL1_BAUDVAL(reg));
|
|
}
|
|
|
|
int
|
|
tx39ir_intr(arg)
|
|
void *arg;
|
|
{
|
|
return 0;
|
|
}
|