Make media-bay CD detachable.
This commit is contained in:
tsubai
parent
adff5c3f3c
commit
eb1c1bdb92
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@ -1,4 +1,4 @@
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/* $NetBSD: mediabay.c,v 1.1 1999/07/21 19:20:04 tsubai Exp $ */
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/* $NetBSD: mediabay.c,v 1.2 1999/10/04 22:58:10 tsubai Exp $ */
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/*-
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* Copyright (C) 1999 Tsubai Masanari. All rights reserved.
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@ -27,8 +27,12 @@
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*/
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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 <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/systm.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/autoconf.h>
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#include <machine/pio.h>
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@ -38,17 +42,28 @@ struct mediabay_softc {
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int sc_node;
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u_int *sc_addr;
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u_int *sc_fcr;
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u_int sc_baseaddr;
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struct device *sc_content;
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struct proc *sc_kthread;
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};
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static void mediabay_attach __P((struct device *, struct device *, void *));
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static int mediabay_match __P((struct device *, struct cfdata *, void *));
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static int mediabay_print __P((void *, const char *));
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void mediabay_attach __P((struct device *, struct device *, void *));
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int mediabay_match __P((struct device *, struct cfdata *, void *));
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int mediabay_print __P((void *, const char *));
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void mediabay_attach_content __P((struct mediabay_softc *));
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int mediabay_intr __P((void *));
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void mediabay_create_kthread __P((void *));
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void mediabay_kthread __P((void *));
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struct cfattach mediabay_ca = {
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sizeof(struct mediabay_softc), mediabay_match, mediabay_attach
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};
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int mediabay_intr __P((void *));
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#ifdef MEDIABAY_DEBUG
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# define DPRINTF printf
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#else
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# define DPRINTF while (0) printf
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#endif
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#define FCR_MEDIABAY_RESET 0x00000002
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#define FCR_MEDIABAY_IDE_ENABLE 0x00000008
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@ -56,7 +71,7 @@ int mediabay_intr __P((void *));
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#define FCR_MEDIABAY_ENABLE 0x00000080
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#define FCR_MEDIABAY_CD_POWER 0x00800000
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#define MEDIABAY_ID(x) ((x >> 12) & 0xf)
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#define MEDIABAY_ID(x) (((x) >> 12) & 0xf)
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#define MEDIABAY_ID_FD 0
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#define MEDIABAY_ID_CD 3
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#define MEDIABAY_ID_NONE 7
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@ -84,22 +99,39 @@ mediabay_attach(parent, self, aux)
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void *aux;
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{
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struct mediabay_softc *sc = (struct mediabay_softc *)self;
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struct confargs ca;
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int irq, child;
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u_int fcr;
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u_int reg[20], intr[5];
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char name[32];
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struct confargs *ca = aux;
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int irq;
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bcopy(aux, &ca, sizeof(ca));
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ca.ca_reg[0] += ca.ca_baseaddr;
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sc->sc_addr = mapiodev(ca.ca_reg[0], NBPG);
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ca->ca_reg[0] += ca->ca_baseaddr;
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sc->sc_addr = mapiodev(ca->ca_reg[0], NBPG);
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sc->sc_fcr = sc->sc_addr + 1;
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sc->sc_node = ca.ca_node;
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irq = ca.ca_intr[0];
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sc->sc_node = ca->ca_node;
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sc->sc_baseaddr = ca->ca_baseaddr;
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irq = ca->ca_intr[0];
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printf(" irq %d\n", irq);
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intr_establish(irq, IST_LEVEL, IPL_BIO, mediabay_intr, sc);
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kthread_create(mediabay_create_kthread, sc);
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sc->sc_content = NULL;
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if (MEDIABAY_ID(in32rb(sc->sc_addr)) != MEDIABAY_ID_NONE)
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mediabay_attach_content(sc);
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}
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void
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mediabay_attach_content(sc)
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struct mediabay_softc *sc;
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{
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int child;
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u_int fcr;
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struct device *content;
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struct confargs ca;
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u_int reg[20], intr[5];
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char name[32];
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fcr = in32rb(sc->sc_fcr);
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fcr |= FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_RESET;
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out32rb(sc->sc_fcr, fcr);
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@ -113,16 +145,13 @@ mediabay_attach(parent, self, aux)
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out32rb(sc->sc_fcr, fcr);
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delay(50000);
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/* XXX */
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if (MEDIABAY_ID(in32rb(sc->sc_addr)) == MEDIABAY_ID_NONE)
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return;
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for (child = OF_child(sc->sc_node); child; child = OF_peer(child)) {
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bzero(name, sizeof(name));
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if (OF_getprop(child, "name", name, sizeof(name)) == -1)
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continue;
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ca.ca_name = name;
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ca.ca_node = child;
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ca.ca_baseaddr = sc->sc_baseaddr;
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ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
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ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
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@ -133,8 +162,17 @@ mediabay_attach(parent, self, aux)
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ca.ca_reg = reg;
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ca.ca_intr = intr;
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config_found(self, &ca, mediabay_print);
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content = config_found(&sc->sc_dev, &ca, mediabay_print);
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if (content) {
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sc->sc_content = content;
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return;
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}
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}
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/* No devices found. Disable media-bay. */
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fcr &= ~(FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_IDE_ENABLE |
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FCR_MEDIABAY_CD_POWER | FCR_MEDIABAY_FD_ENABLE);
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out32rb(sc->sc_fcr, fcr);
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}
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int
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@ -144,13 +182,10 @@ mediabay_print(aux, mediabay)
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{
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struct confargs *ca = aux;
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if (mediabay)
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printf("%s at %s", ca->ca_name, mediabay);
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if (ca->ca_nreg > 0)
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if (mediabay == NULL && ca->ca_nreg > 0)
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printf(" offset 0x%x", ca->ca_reg[0]);
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return UNCONF;
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return QUIET;
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}
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int
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@ -158,26 +193,67 @@ mediabay_intr(v)
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void *v;
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{
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struct mediabay_softc *sc = v;
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u_int x;
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printf("%s: ", sc->sc_dev.dv_xname);
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wakeup(&sc->sc_kthread);
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return 1;
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}
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void
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mediabay_create_kthread(v)
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void *v;
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{
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struct mediabay_softc *sc = v;
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kthread_create1(mediabay_kthread, sc, &sc->sc_kthread, "media-bay");
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}
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void
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mediabay_kthread(v)
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void *v;
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{
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struct mediabay_softc *sc = v;
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u_int x, fcr;
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sleep:
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tsleep(&sc->sc_kthread, PRIBIO, "mbayev", 0);
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/* sleep 0.25 sec */
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tsleep(mediabay_kthread, PRIBIO, "mbayev", hz/4);
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DPRINTF("%s: ", sc->sc_dev.dv_xname);
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x = in32rb(sc->sc_addr);
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switch (MEDIABAY_ID(x)) {
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case MEDIABAY_ID_NONE:
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printf("removed\n");
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DPRINTF("removed\n");
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if (sc->sc_content != NULL) {
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config_detach(sc->sc_content, DETACH_FORCE);
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DPRINTF("%s: detach done\n", sc->sc_dev.dv_xname);
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sc->sc_content = NULL;
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/* disable media-bay */
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fcr = in32rb(sc->sc_fcr);
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fcr &= ~(FCR_MEDIABAY_ENABLE |
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FCR_MEDIABAY_IDE_ENABLE |
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FCR_MEDIABAY_CD_POWER |
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FCR_MEDIABAY_FD_ENABLE);
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out32rb(sc->sc_fcr, fcr);
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}
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break;
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case MEDIABAY_ID_FD:
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printf("FD inserted\n");
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DPRINTF("FD inserted\n");
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break;
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case MEDIABAY_ID_CD:
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printf("CD inserted\n");
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DPRINTF("CD inserted\n");
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if (sc->sc_content == NULL)
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mediabay_attach_content(sc);
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break;
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default:
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printf("unknown event (0x%x)\n", x);
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}
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return 1;
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goto sleep;
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}
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/* PBG3: 0x7025X0c0 */
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@ -1,4 +1,4 @@
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/* $NetBSD: wdc_obio.c,v 1.4 1999/06/14 08:53:06 tsubai Exp $ */
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/* $NetBSD: wdc_obio.c,v 1.5 1999/10/04 22:58:10 tsubai Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -68,13 +68,16 @@ struct wdc_obio_softc {
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struct channel_softc wdc_channel;
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dbdma_regmap_t *sc_dmareg;
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dbdma_command_t *sc_dmacmd;
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void *sc_ih;
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};
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int wdc_obio_probe __P((struct device *, struct cfdata *, void *));
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void wdc_obio_attach __P((struct device *, struct device *, void *));
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int wdc_obio_probe __P((struct device *, struct cfdata *, void *));
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void wdc_obio_attach __P((struct device *, struct device *, void *));
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int wdc_obio_detach __P((struct device *, int));
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struct cfattach wdc_obio_ca = {
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sizeof(struct wdc_obio_softc), wdc_obio_probe, wdc_obio_attach
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sizeof(struct wdc_obio_softc), wdc_obio_probe, wdc_obio_attach,
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wdc_obio_detach, wdcactivate
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};
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static int wdc_obio_dma_init __P((void *, int, int, void *, size_t, int));
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@ -152,7 +155,7 @@ wdc_obio_attach(parent, self, aux)
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chp->data32ioh = chp->cmd_ioh;
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#endif
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intr_establish(intr, IST_LEVEL, IPL_BIO, wdcintr, chp);
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sc->sc_ih = intr_establish(intr, IST_LEVEL, IPL_BIO, wdcintr, chp);
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if (use_dma) {
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sc->sc_dmacmd = dbdma_alloc(sizeof(dbdma_command_t) * 20);
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@ -182,6 +185,32 @@ wdc_obio_attach(parent, self, aux)
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wdcattach(chp);
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}
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int
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wdc_obio_detach(self, flags)
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struct device *self;
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int flags;
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{
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struct wdc_obio_softc *sc = (void *)self;
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struct channel_softc *chp = &sc->wdc_channel;
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int error;
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if ((error = wdcdetach(self, flags)) != 0)
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return error;
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intr_disestablish(sc->sc_ih);
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free(sc->wdc_channel.ch_queue, M_DEVBUF);
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/* Unmap our i/o space. */
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bus_space_unmap(chp->cmd_iot, chp->cmd_ioh, WDC_REG_NPORTS);
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/* Unmap DMA registers. */
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/* XXX unmapiodev(sc->sc_dmareg); */
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/* XXX free(sc->sc_dmacmd); */
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return 0;
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}
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static int
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wdc_obio_dma_init(v, channel, drive, databuf, datalen, read)
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void *v;
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