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NetBSD/sys/arch/hpcmips/tx/tx39io.c

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/* $NetBSD: tx39io.c,v 1.7 2000/10/22 10:42:32 uch Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#undef TX39IODEBUG
#include "opt_tx39_debug.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <hpcmips/tx/tx39var.h>
#include <hpcmips/tx/tx39icureg.h>
#define __TX39IO_PRIVATE
#include <hpcmips/tx/tx39iovar.h>
#include <hpcmips/tx/tx39ioreg.h>
#ifdef TX39IODEBUG
#define DPRINTF(arg) printf arg
#else
#define DPRINTF(arg)
#endif
#define ISSET(x, s) ((x) & (1 << (s)))
int tx39io_match(struct device *, struct cfdata *, void *);
void tx39io_attach(struct device *, struct device *, void *);
struct cfattach tx39io_ca = {
sizeof(struct tx39io_softc), tx39io_match, tx39io_attach
};
/* IO/MFIO common */
static void *port_intr_establish(void *, int, int (*)(void *), void *);
static void port_intr_disestablish(void *, void *);
/* MFIO */
static int mfio_in(void *, int);
static void mfio_out(void *, int, int);
static void mfio_intr_map(void *, int, int *, int *);
static void mfio_dump(void *);
static void mfio_update(void *);
/* IO */
#ifdef TX391X
static int tx391x_io_in(void *, int);
static void tx391x_io_out(void *, int, int);
static void tx391x_io_update(void *);
static void tx391x_io_intr_map(void *, int, int *, int *);
#endif
#ifdef TX392X
static int tx392x_io_in(void *, int);
static void tx392x_io_out(void *, int, int);
static void tx392x_io_update(void *);
static void tx392x_io_intr_map(void *, int, int *, int *);
#endif
static void io_dump(void *);
static void __print_port_status(struct tx39io_port_status *, int);
int
tx39io_match(struct device *parent, struct cfdata *cf, void *aux)
{
return ATTACH_FIRST; /* 1st attach group of txsim */
}
void
tx39io_attach(struct device *parent, struct device *self, void *aux)
{
struct txsim_attach_args *ta = aux;
struct tx39io_softc *sc = (void *)self;
tx_chipset_tag_t tc;
struct txio_ops *ops_io = &sc->sc_io_ops;
struct txio_ops *ops_mfio = &sc->sc_mfio_ops;
tc = sc->sc_tc = ta->ta_tc;
printf("\n");
sc->sc_stat_io_mask = ~(1 << 5); /* exclude Plum2 INT */
sc->sc_stat_mfio_mask = ~(0x3|(0x3 << 23));
/* IO */
ops_io->_v = sc;
ops_io->_group = IO;
ops_io->_intr_establish = port_intr_establish;
ops_io->_intr_disestablish = port_intr_disestablish;
ops_io->_dump = io_dump;
if (IS_TX391X(tc)) {
#ifdef TX391X
ops_io->_in = tx391x_io_in;
ops_io->_out = tx391x_io_out;
ops_io->_intr_map = tx391x_io_intr_map;
ops_io->_update = tx391x_io_update;
#endif
} else if (IS_TX392X(tc)) {
#ifdef TX392X
ops_io->_in = tx392x_io_in;
ops_io->_out = tx392x_io_out;
ops_io->_intr_map = tx392x_io_intr_map;
ops_io->_update = tx392x_io_update;
#endif
}
tx_conf_register_ioman(tc, ops_io);
/* MFIO */
ops_mfio->_v = sc;
ops_mfio->_group = MFIO;
ops_mfio->_in = mfio_in;
ops_mfio->_out = mfio_out;
ops_mfio->_intr_map = mfio_intr_map;
ops_mfio->_intr_establish = port_intr_establish;
ops_mfio->_intr_disestablish = port_intr_disestablish;
ops_mfio->_update = mfio_update;
ops_mfio->_dump = mfio_dump;
tx_conf_register_ioman(tc, ops_mfio);
tx_ioman_update(IO);
tx_ioman_update(MFIO);
#ifdef TX39IODEBUG
tx_ioman_dump(IO);
tx_ioman_dump(MFIO);
#else
printf("IO i0x%08x o0x%08x MFIO i0x%08x o0x%08x\n",
sc->sc_stat_io.in, sc->sc_stat_io.out,
sc->sc_stat_mfio.in, sc->sc_stat_mfio.out);
#endif
}
/*
* TX391X, TX392X common
*/
static void *
port_intr_establish(void *arg, int edge, int (*func)(void *), void *func_arg)
{
struct tx39io_softc *sc = arg;
return tx_intr_establish(sc->sc_tc, edge, IST_EDGE, IPL_CLOCK, func,
func_arg);
}
static void
port_intr_disestablish(void *arg, void *ih)
{
struct tx39io_softc *sc = arg;
tx_intr_disestablish(sc->sc_tc, ih);
}
static void
mfio_out(void *arg, int port, int onoff)
{
struct tx39io_softc *sc = arg;
tx_chipset_tag_t tc;
txreg_t reg, pos;
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
tc = sc->sc_tc;
/* MFIO */
pos = 1 << port;
#ifdef DIAGNOSTIC
if (!(sc->sc_stat_mfio.dir & pos)) {
panic("%s: MFIO%d is not output port.\n",
sc->sc_dev.dv_xname, port);
}
#endif
reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
if (onoff)
reg |= pos;
else
reg &= ~pos;
tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg);
}
static int
mfio_in(void *arg, int port)
{
struct tx39io_softc *sc __attribute__((__unused__)) = arg ;
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
return tx_conf_read(sc->sc_tc, TX39_IOMFIODATAIN_REG) & (1 << port);
}
static void
mfio_intr_map(void *arg, int port, int *pedge, int *nedge)
{
if (pedge)
*pedge = MAKEINTR(3, (1 << port));
if (nedge)
*nedge = MAKEINTR(4, (1 << port));
}
static void
mfio_update(void *arg)
{
struct tx39io_softc *sc = arg;
tx_chipset_tag_t tc = sc->sc_tc;
struct tx39io_port_status *stat_mfio = &sc->sc_stat_mfio;
sc->sc_ostat_mfio = *stat_mfio; /* save old status */
stat_mfio->dir = tx_conf_read(tc, TX39_IOMFIODATADIR_REG);
stat_mfio->in = tx_conf_read(tc, TX39_IOMFIODATAIN_REG);
stat_mfio->out = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
stat_mfio->power = tx_conf_read(tc, TX39_IOMFIOPOWERDWN_REG);
stat_mfio->u.select = tx_conf_read(tc, TX39_IOMFIODATASEL_REG);
}
#ifdef TX391X
/*
* TMPR3912 specific
*/
int
tx391x_io_in(void *arg, int port)
{
struct tx39io_softc *sc __attribute__((__unused__)) = arg;
txreg_t reg = tx_conf_read(sc->sc_tc, TX39_IOCTRL_REG);
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
return TX391X_IOCTRL_IODIN(reg) & (1 << port);
}
void
tx391x_io_out(void *arg, int port, int onoff)
{
#ifdef DIAGNOSTIC
const char *devname;
#endif
struct tx39io_softc *sc = arg;
tx_chipset_tag_t tc;
txreg_t reg, pos, iostat;
KASSERT(sc);
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
devname = sc->sc_dev.dv_xname;
tc = sc->sc_tc;
/* IO [0:6] */
pos = 1 << port;
#ifdef DIAGNOSTIC
if (!(sc->sc_stat_io.dir & pos))
panic("%s: IO%d is not output port.\n", devname, port);
#endif
reg = tx_conf_read(tc, TX39_IOCTRL_REG);
iostat = TX391X_IOCTRL_IODOUT(reg);
if (onoff)
iostat |= pos;
else
iostat &= ~pos;
TX391X_IOCTRL_IODOUT_CLR(reg);
reg = TX391X_IOCTRL_IODOUT_SET(reg, iostat);
tx_conf_write(tc, TX39_IOCTRL_REG, reg);
}
void
tx391x_io_intr_map(void *arg, int port, int *pedge, int *nedge)
{
if (pedge)
*pedge = MAKEINTR(5, (1 << (port + 7)));
if (nedge)
*nedge = MAKEINTR(5, (1 << port));
}
void
tx391x_io_update(void *arg)
{
struct tx39io_softc *sc = arg;
struct tx39io_port_status *stat_io = &sc->sc_stat_io;
tx_chipset_tag_t tc = sc->sc_tc;
txreg_t reg;
/* IO [0:6] */
sc->sc_ostat_io = *stat_io; /* save old status */
reg = tx_conf_read(tc, TX39_IOCTRL_REG);
stat_io->dir = TX391X_IOCTRL_IODIREC(reg);
stat_io->in = TX391X_IOCTRL_IODIN(reg);
stat_io->out = TX391X_IOCTRL_IODOUT(reg);
stat_io->u.debounce = TX391X_IOCTRL_IODEBSEL(reg);
reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG);
stat_io->power = TX391X_IOIOPOWERDWN_IOPD(reg);
}
#endif /* TX391X */
#ifdef TX392X
/*
* TMPR3922 specific
*/
int
tx392x_io_in(void *arg, int port)
{
struct tx39io_softc *sc __attribute__((__unused__)) = arg;
txreg_t reg = tx_conf_read(sc->sc_tc, TX392X_IODATAINOUT_REG);
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
return TX392X_IODATAINOUT_DIN(reg) & (1 << port);
}
void
tx392x_io_out(void *arg, int port, int onoff)
{
struct tx39io_softc *sc = arg;
#ifdef DIAGNOSTIC
const char *devname = sc->sc_dev.dv_xname;
#endif
tx_chipset_tag_t tc = sc->sc_tc;
txreg_t reg, pos, iostat;
DPRINTF(("%s: port #%d\n", __FUNCTION__, port));
/* IO [0:15] */
pos = 1 << port;
#ifdef DIAGNOSTIC
if (!(sc->sc_status.dir_io & pos))
panic("%s: IO%d is not output port.\n", devname, port);
#endif
reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
iostat = TX392X_IODATAINOUT_DOUT(reg);
if (onoff)
iostat |= pos;
else
iostat &= ~pos;
TX392X_IODATAINOUT_DOUT_CLR(reg);
reg = TX392X_IODATAINOUT_DOUT_SET(reg, iostat);
tx_conf_write(tc, TX392X_IODATAINOUT_REG, reg);
}
void
tx392x_io_intr_map(void *arg, int port, int *pedge, int *nedge)
{
if (pedge)
*pedge = MAKEINTR(8, (1 << (port + 16)));
if (nedge)
*nedge = MAKEINTR(8, (1 << port));
}
void
tx392x_io_update(void *arg)
{
struct tx39io_softc *sc = arg;
struct tx39io_port_status *stat_io = &sc->sc_stat_io;
tx_chipset_tag_t tc = sc->sc_tc;
txreg_t reg;
sc->sc_ostat_io = *stat_io; /* save old status */
/* IO [0:15] */
reg = tx_conf_read(tc, TX39_IOCTRL_REG);
stat_io->dir = TX392X_IOCTRL_IODIREC(reg);
stat_io->u.debounce = TX392X_IOCTRL_IODEBSEL(reg);
reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
stat_io->in = TX392X_IODATAINOUT_DIN(reg);
stat_io->out = TX392X_IODATAINOUT_DOUT(reg);
reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG);
stat_io->power = TX392X_IOIOPOWERDWN_IOPD(reg);
}
#endif /* TX392X */
static const char *line = "--------------------------------------------------"
"------------\n";
static void
mfio_dump(void *arg)
{
struct tx39io_softc *sc = arg;
const struct tx39io_mfio_map *map = tx39io_get_mfio_map(tc);
struct tx39io_port_status *stat;
int i;
printf("%s", line);
stat = &sc->sc_stat_mfio;
for (i = TX39_IO_MFIO_MAX - 1; i >= 0 ; i--) {
/* MFIO port has power down state */
printf("MFIO %2d: - ", i);
__print_port_status(stat, i);
printf(ISSET(stat->u.select, i) ? " MFIO(%s)\n" : " %s\n",
map[i].std_pin_name);
}
printf("%s", line);
}
static void
io_dump(void *arg)
{
struct tx39io_softc *sc = arg;
struct tx39io_port_status *stat;
int i;
printf("%s Debounce Direction DataOut DataIn PowerDown Select"
"\n%s", line, line);
stat = &sc->sc_stat_io;
for (i = tx39io_get_io_max(tc) - 1; i >= 0 ; i--) {
/* IO port has debouncer */
printf("IO %2d: %s ", i,
ISSET(stat->u.debounce, i) ? "On " : "Off");
__print_port_status(stat, i);
printf(" -\n");
}
}
static void
__print_port_status(struct tx39io_port_status *stat, int i)
{
printf("%s %d %d %s",
ISSET(stat->dir, i) ? "Out" : "In ",
ISSET(stat->out, i) ? 1 : 0,
ISSET(stat->in, i) ? 1 : 0,
ISSET(stat->power, i) ? "Down ": "Active");
}
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