NetBSD/sys/arch/x68k/dev/slhci_intio.c

206 lines
6.1 KiB
C

/* $NetBSD: slhci_intio.c,v 1.4 2002/10/02 16:02:43 thorpej Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tetsuya Isaki.
*
* 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.
*/
/*
* USB part of Nereid Ethernet/USB/Memory board
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/ic/sl811hsreg.h>
#include <dev/ic/sl811hsvar.h>
#include <arch/x68k/dev/intiovar.h>
#include <arch/x68k/dev/slhci_intio_var.h>
static int slhci_intio_match(struct device *, struct cfdata *, void *);
static void slhci_intio_attach(struct device *, struct device *, void *);
static void slhci_intio_enable_power(void *, int);
static void slhci_intio_enable_intr(void *, int);
static int slhci_intio_intr(void *);
CFATTACH_DECL(slhci_intio, sizeof(struct slhci_intio_softc),
slhci_intio_match, slhci_intio_attach, NULL, NULL);
static int
slhci_intio_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
bus_space_handle_t nch;
int nc_addr;
int nc_size;
if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
ia->ia_addr = SLHCI_INTIO_ADDR1;
if (ia->ia_intr == INTIOCF_INTR_DEFAULT)
ia->ia_intr = SLHCI_INTIO_INTR1;
/* fixed parameters */
if ( !(ia->ia_addr == SLHCI_INTIO_ADDR1 &&
ia->ia_intr == SLHCI_INTIO_INTR1 ) &&
!(ia->ia_addr == SLHCI_INTIO_ADDR2 &&
ia->ia_intr == SLHCI_INTIO_INTR2 ) )
return 0;
/* Whether the control port is accessible or not */
nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET;
nc_size = 0x02;
if (badbaddr((caddr_t)INTIO_ADDR(nc_addr)))
return 0;
/* Map two I/O spaces */
ia->ia_size = SL11_PORTSIZE * 2;
if (bus_space_map(iot, ia->ia_addr, ia->ia_size,
BUS_SPACE_MAP_SHIFTED, &ioh))
return 0;
if (bus_space_map(iot, nc_addr, nc_size,
BUS_SPACE_MAP_SHIFTED, &nch))
return 0;
bus_space_unmap(iot, ioh, ia->ia_size);
bus_space_unmap(iot, nch, nc_size);
return 1;
}
static void
slhci_intio_attach(struct device *parent, struct device *self, void *aux)
{
struct slhci_intio_softc *sc = (struct slhci_intio_softc *)self;
struct intio_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_bst;
bus_space_handle_t ioh;
int nc_addr;
int nc_size;
printf(": Nereid USB\n");
/* Map I/O space */
if (bus_space_map(iot, ia->ia_addr, SL11_PORTSIZE * 2,
BUS_SPACE_MAP_SHIFTED, &ioh)) {
printf("%s: can't map I/O space\n",
sc->sc_sc.sc_bus.bdev.dv_xname);
return;
}
nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET;
nc_size = 0x02;
if (bus_space_map(iot, nc_addr, nc_size,
BUS_SPACE_MAP_SHIFTED, &sc->sc_nch)) {
printf("%s: can't map I/O control space\n",
sc->sc_sc.sc_bus.bdev.dv_xname);
return;
}
/* Initialize sc */
sc->sc_sc.sc_iot = iot;
sc->sc_sc.sc_ioh = ioh;
sc->sc_sc.sc_dmat = ia->ia_dmat;
sc->sc_sc.sc_enable_power = slhci_intio_enable_power;
sc->sc_sc.sc_enable_intr = slhci_intio_enable_intr;
sc->sc_sc.sc_arg = sc;
/* Establish the interrupt handler */
if (intio_intr_establish(ia->ia_intr, "slhci", slhci_intio_intr, sc)) {
printf("%s: can't establish interrupt\n",
sc->sc_sc.sc_bus.bdev.dv_xname);
return;
}
/* Reset controller */
bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, NEREID_CTRL_RESET);
delay(40000);
/* Attach SL811HS/T */
if (slhci_attach(&sc->sc_sc, self))
return;
}
static void
slhci_intio_enable_power(void *arg, int mode)
{
struct slhci_intio_softc *sc = arg;
bus_space_tag_t iot = sc->sc_sc.sc_iot;
u_int8_t r;
r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL);
if (mode == POWER_ON)
bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL,
r | NEREID_CTRL_POWER);
else
bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL,
r & ~NEREID_CTRL_POWER);
}
static void
slhci_intio_enable_intr(void *arg, int mode)
{
struct slhci_intio_softc *sc = arg;
bus_space_tag_t iot = sc->sc_sc.sc_iot;
u_int8_t r;
r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL);
if (mode == INTR_ON)
bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL,
r | NEREID_CTRL_INTR);
else
bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL,
r & ~NEREID_CTRL_INTR);
}
static int
slhci_intio_intr(void *arg)
{
struct slhci_intio_softc *sc = arg;
return slhci_intr(&sc->sc_sc);
}