diff options
| -rw-r--r-- | sys/arch/sparc64/dev/sab.c | 162 |
1 files changed, 160 insertions, 2 deletions
diff --git a/sys/arch/sparc64/dev/sab.c b/sys/arch/sparc64/dev/sab.c index bee1220a567..c53e666d750 100644 --- a/sys/arch/sparc64/dev/sab.c +++ b/sys/arch/sparc64/dev/sab.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sab.c,v 1.1 2001/10/28 02:19:16 jason Exp $ */ +/* $OpenBSD: sab.c,v 1.2 2002/01/17 05:39:16 jason Exp $ */ /* * Copyright (c) 2001 Jason L. Wright (jason@thought.net) @@ -77,6 +77,7 @@ struct sab_softc { struct sabtty_softc * sc_child[SAB_NCHAN]; u_int sc_nchild; void * sc_softintr; + int sc_node; }; struct sabtty_attach_args { @@ -100,10 +101,15 @@ struct sabtty_softc { #define SABTTYF_DONE 0x02 #define SABTTYF_RINGOVERFLOW 0x04 #define SABTTYF_CDCHG 0x08 +#define SABTTYF_CONS_IN 0x10 +#define SABTTYF_CONS_OUT 0x20 u_int8_t sc_rbuf[SABTTY_RBUF_SIZE]; u_int8_t *sc_rend, *sc_rput, *sc_rget; }; +struct sabtty_softc *sabtty_cons_input; +struct sabtty_softc *sabtty_cons_output; + #define SAB_READ(sc,r) \ bus_space_read_1((sc)->sc_bt, (sc)->sc_bh, (r)) #define SAB_WRITE(sc,r,v) \ @@ -114,6 +120,10 @@ void sab_attach __P((struct device *, struct device *, void *)); int sab_print __P((void *, const char *)); int sab_intr __P((void *)); void sab_softintr __P((void *)); +struct sabtty_softc *sab_findsabtty __P((dev_t)); +void sab_cnputc __P((dev_t, int)); +int sab_cngetc __P((dev_t)); +void sab_cnpollc __P((dev_t, int)); int sabtty_match __P((struct device *, void *, void *)); void sabtty_attach __P((struct device *, struct device *, void *)); @@ -127,6 +137,7 @@ void sabtty_tec_wait __P((struct sabtty_softc *)); void sabtty_reset __P((struct sabtty_softc *)); void sabtty_flush __P((struct sabtty_softc *)); int sabtty_speed __P((int)); +void sabtty_console_flags __P((struct sabtty_softc *)); int sabttyopen __P((dev_t, int, int, struct proc *)); int sabttyclose __P((dev_t, int, int, struct proc *)); @@ -135,6 +146,8 @@ int sabttywrite __P((dev_t, struct uio *, int)); int sabttyioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); int sabttystop __P((struct tty *, int)); struct tty *sabttytty __P((dev_t)); +void sabtty_cnputc __P((struct sabtty_softc *, int)); +int sabtty_cngetc __P((struct sabtty_softc *)); struct cfattach sab_ca = { sizeof(struct sab_softc), sab_match, sab_attach @@ -208,6 +221,7 @@ sab_attach(parent, self, aux) u_int i; sc->sc_bt = ea->ea_bustag; + sc->sc_node = ea->ea_node; /* Use prom mapping, if available. */ if (ea->ea_nvaddrs) @@ -377,7 +391,45 @@ sabtty_attach(parent, self, aux) return; } - sabtty_reset(sc); + sabtty_console_flags(sc); + + if (sc->sc_flags & (SABTTYF_CONS_IN | SABTTYF_CONS_OUT)) { + char *acc; + + switch (sc->sc_flags & (SABTTYF_CONS_IN | SABTTYF_CONS_OUT)) { + case SABTTYF_CONS_IN: + acc = "input"; + break; + case SABTTYF_CONS_OUT: + acc = "output"; + break; + case SABTTYF_CONS_IN|SABTTYF_CONS_OUT: + default: + acc = "i/o"; + break; + } + + /* Let current output drain */ + DELAY(100000); + + if (sc->sc_flags & SABTTYF_CONS_IN) { + sabtty_cons_input = sc; + cn_tab->cn_pollc = sab_cnpollc; + cn_tab->cn_getc = sab_cngetc; + cn_tab->cn_dev = makedev(77/*XXX*/, self->dv_unit); + } + + if (sc->sc_flags & SABTTYF_CONS_OUT) { + sabtty_cons_output = sc; + cn_tab->cn_putc = sab_cnputc; + cn_tab->cn_dev = makedev(77/*XXX*/, self->dv_unit); + } + printf(": console %s", acc); + } else { + /* Not a console... */ + sabtty_reset(sc); + } + printf("\n"); } @@ -1034,3 +1086,109 @@ sabtty_speed(rate) } return (-1); } + +void +sabtty_cnputc(sc, c) + struct sabtty_softc *sc; + int c; +{ + sabtty_tec_wait(sc); + SAB_WRITE(sc, SAB_TIC, c); +} + +int +sabtty_cngetc(sc) + struct sabtty_softc *sc; +{ + return (-1); +} + +struct sabtty_softc * +sab_findsabtty(dev) + dev_t dev; +{ + struct sab_softc *bc; + int card = SAB_CARD(dev), port = SAB_PORT(dev); + + if (card >= sab_cd.cd_ndevs || (bc = sab_cd.cd_devs[card]) == NULL) + return (NULL); + if (port >= bc->sc_nchild) + return (NULL); + return (bc->sc_child[port]); +} + +void +sab_cnputc(dev, c) + dev_t dev; + int c; +{ + struct sabtty_softc *sc = sabtty_cons_output; + + if (sc == NULL) { + printf("sab_cnputc: invalid device\n"); + return; + } + sabtty_cnputc(sc, c); +} + +void +sab_cnpollc(dev, on) + dev_t dev; + int on; +{ +} + +int +sab_cngetc(dev) + dev_t dev; +{ + struct sabtty_softc *sc = sabtty_cons_input; + + if (sc == NULL) { + printf("sab_cngetc: invalid device\n"); + return (-1); + } + return (sabtty_cngetc(sc)); +} + +void +sabtty_console_flags(sc) + struct sabtty_softc *sc; +{ + int node, channel, cookie; + u_int chosen; + char buf[255]; + + node = sc->sc_parent->sc_node; + channel = sc->sc_portno; + + chosen = OF_finddevice("/chosen"); + + /* Default to channel 0 if there are no explicit prom args */ + cookie = 0; + + if (node == OF_instance_to_package(OF_stdin())) { + if (OF_getprop(chosen, "input-device", buf, + sizeof(buf)) != -1) { + if (strcmp("ttyb", buf) == 0) + cookie = 1; + } + + if (channel == cookie) + sc->sc_flags |= SABTTYF_CONS_IN; + } + + /* Default to same channel if there are no explicit prom args */ + + if (node == OF_instance_to_package(OF_stdout())) { + if (OF_getprop(chosen, "output-device", buf, + sizeof(buf)) != -1) { + printf("Found output device: %s\n", buf); + if (strcmp("ttyb", buf) == 0) + cookie = 1; + } + + if (channel == cookie) + sc->sc_flags |= SABTTYF_CONS_OUT; + } +} |