266 lines
6.5 KiB
C
266 lines
6.5 KiB
C
/* $NetBSD: mediabay.c,v 1.8 2003/04/02 03:04:02 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (C) 1999 Tsubai Masanari. 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. 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. The name of the author 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 ``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 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/device.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <uvm/uvm_extern.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/pio.h>
|
|
|
|
struct mediabay_softc {
|
|
struct device sc_dev;
|
|
int sc_node;
|
|
u_int *sc_addr;
|
|
u_int *sc_fcr;
|
|
u_int sc_baseaddr;
|
|
struct device *sc_content;
|
|
struct proc *sc_kthread;
|
|
};
|
|
|
|
void mediabay_attach __P((struct device *, struct device *, void *));
|
|
int mediabay_match __P((struct device *, struct cfdata *, void *));
|
|
int mediabay_print __P((void *, const char *));
|
|
void mediabay_attach_content __P((struct mediabay_softc *));
|
|
int mediabay_intr __P((void *));
|
|
void mediabay_create_kthread __P((void *));
|
|
void mediabay_kthread __P((void *));
|
|
|
|
CFATTACH_DECL(mediabay, sizeof(struct mediabay_softc),
|
|
mediabay_match, mediabay_attach, NULL, NULL);
|
|
|
|
#ifdef MEDIABAY_DEBUG
|
|
# define DPRINTF printf
|
|
#else
|
|
# define DPRINTF while (0) printf
|
|
#endif
|
|
|
|
#define FCR_MEDIABAY_RESET 0x00000002
|
|
#define FCR_MEDIABAY_IDE_ENABLE 0x00000008
|
|
#define FCR_MEDIABAY_FD_ENABLE 0x00000010
|
|
#define FCR_MEDIABAY_ENABLE 0x00000080
|
|
#define FCR_MEDIABAY_CD_POWER 0x00800000
|
|
|
|
#define MEDIABAY_ID(x) (((x) >> 12) & 0xf)
|
|
#define MEDIABAY_ID_FD 0
|
|
#define MEDIABAY_ID_CD 3
|
|
#define MEDIABAY_ID_NONE 7
|
|
|
|
int
|
|
mediabay_match(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
struct confargs *ca = aux;
|
|
|
|
if (strcmp(ca->ca_name, "media-bay") == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Attach all the sub-devices we can find
|
|
*/
|
|
void
|
|
mediabay_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct mediabay_softc *sc = (struct mediabay_softc *)self;
|
|
struct confargs *ca = aux;
|
|
int irq, type;
|
|
|
|
ca->ca_reg[0] += ca->ca_baseaddr;
|
|
|
|
sc->sc_addr = mapiodev(ca->ca_reg[0], PAGE_SIZE);
|
|
sc->sc_fcr = sc->sc_addr + 1;
|
|
sc->sc_node = ca->ca_node;
|
|
sc->sc_baseaddr = ca->ca_baseaddr;
|
|
irq = ca->ca_intr[0];
|
|
type = IST_LEVEL;
|
|
|
|
if (ca->ca_nintr == 8 && ca->ca_intr[1] == 0)
|
|
type = IST_EDGE;
|
|
|
|
printf(" irq %d %s\n", irq, intr_typename(type));
|
|
intr_establish(irq, type, IPL_BIO, mediabay_intr, sc);
|
|
|
|
kthread_create(mediabay_create_kthread, sc);
|
|
|
|
sc->sc_content = NULL;
|
|
|
|
if (MEDIABAY_ID(in32rb(sc->sc_addr)) != MEDIABAY_ID_NONE)
|
|
mediabay_attach_content(sc);
|
|
}
|
|
|
|
void
|
|
mediabay_attach_content(sc)
|
|
struct mediabay_softc *sc;
|
|
{
|
|
int child;
|
|
u_int fcr;
|
|
struct device *content;
|
|
struct confargs ca;
|
|
u_int reg[20], intr[5];
|
|
char name[32];
|
|
|
|
fcr = in32rb(sc->sc_fcr);
|
|
fcr |= FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_RESET;
|
|
out32rb(sc->sc_fcr, fcr);
|
|
delay(50000);
|
|
|
|
fcr &= ~FCR_MEDIABAY_RESET;
|
|
out32rb(sc->sc_fcr, fcr);
|
|
delay(50000);
|
|
|
|
fcr |= FCR_MEDIABAY_IDE_ENABLE | FCR_MEDIABAY_CD_POWER;
|
|
out32rb(sc->sc_fcr, fcr);
|
|
delay(50000);
|
|
|
|
for (child = OF_child(sc->sc_node); child; child = OF_peer(child)) {
|
|
memset(name, 0, sizeof(name));
|
|
if (OF_getprop(child, "name", name, sizeof(name)) == -1)
|
|
continue;
|
|
ca.ca_name = name;
|
|
ca.ca_node = child;
|
|
ca.ca_baseaddr = sc->sc_baseaddr;
|
|
|
|
ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
|
|
ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
|
|
sizeof(intr));
|
|
if (ca.ca_nintr == -1)
|
|
ca.ca_nintr = OF_getprop(child, "interrupts", intr,
|
|
sizeof(intr));
|
|
ca.ca_reg = reg;
|
|
ca.ca_intr = intr;
|
|
|
|
content = config_found(&sc->sc_dev, &ca, mediabay_print);
|
|
if (content) {
|
|
sc->sc_content = content;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* No devices found. Disable media-bay. */
|
|
fcr &= ~(FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_IDE_ENABLE |
|
|
FCR_MEDIABAY_CD_POWER | FCR_MEDIABAY_FD_ENABLE);
|
|
out32rb(sc->sc_fcr, fcr);
|
|
}
|
|
|
|
int
|
|
mediabay_print(aux, mediabay)
|
|
void *aux;
|
|
const char *mediabay;
|
|
{
|
|
struct confargs *ca = aux;
|
|
|
|
if (mediabay == NULL && ca->ca_nreg > 0)
|
|
aprint_normal(" offset 0x%x", ca->ca_reg[0]);
|
|
|
|
return QUIET;
|
|
}
|
|
|
|
int
|
|
mediabay_intr(v)
|
|
void *v;
|
|
{
|
|
struct mediabay_softc *sc = v;
|
|
|
|
wakeup(&sc->sc_kthread);
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
mediabay_create_kthread(v)
|
|
void *v;
|
|
{
|
|
struct mediabay_softc *sc = v;
|
|
|
|
kthread_create1(mediabay_kthread, sc, &sc->sc_kthread, "media-bay");
|
|
}
|
|
|
|
void
|
|
mediabay_kthread(v)
|
|
void *v;
|
|
{
|
|
struct mediabay_softc *sc = v;
|
|
u_int x, fcr;
|
|
|
|
sleep:
|
|
tsleep(&sc->sc_kthread, PRIBIO, "mbayev", 0);
|
|
|
|
/* sleep 0.25 sec */
|
|
tsleep(mediabay_kthread, PRIBIO, "mbayev", hz/4);
|
|
|
|
DPRINTF("%s: ", sc->sc_dev.dv_xname);
|
|
x = in32rb(sc->sc_addr);
|
|
|
|
switch (MEDIABAY_ID(x)) {
|
|
case MEDIABAY_ID_NONE:
|
|
DPRINTF("removed\n");
|
|
if (sc->sc_content != NULL) {
|
|
config_detach(sc->sc_content, DETACH_FORCE);
|
|
DPRINTF("%s: detach done\n", sc->sc_dev.dv_xname);
|
|
sc->sc_content = NULL;
|
|
|
|
/* disable media-bay */
|
|
fcr = in32rb(sc->sc_fcr);
|
|
fcr &= ~(FCR_MEDIABAY_ENABLE |
|
|
FCR_MEDIABAY_IDE_ENABLE |
|
|
FCR_MEDIABAY_CD_POWER |
|
|
FCR_MEDIABAY_FD_ENABLE);
|
|
out32rb(sc->sc_fcr, fcr);
|
|
}
|
|
break;
|
|
case MEDIABAY_ID_FD:
|
|
DPRINTF("FD inserted\n");
|
|
break;
|
|
case MEDIABAY_ID_CD:
|
|
DPRINTF("CD inserted\n");
|
|
|
|
if (sc->sc_content == NULL)
|
|
mediabay_attach_content(sc);
|
|
break;
|
|
default:
|
|
printf("unknown event (0x%x)\n", x);
|
|
}
|
|
|
|
goto sleep;
|
|
}
|
|
|
|
/* PBG3: 0x7025X0c0 */
|
|
/* 2400: 0x0070X0a8 */
|