diff options
Diffstat (limited to 'sys/arch/pmax/dev/dc_ioasic.c')
| -rw-r--r-- | sys/arch/pmax/dev/dc_ioasic.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/sys/arch/pmax/dev/dc_ioasic.c b/sys/arch/pmax/dev/dc_ioasic.c new file mode 100644 index 00000000000..b6f9b9ad977 --- /dev/null +++ b/sys/arch/pmax/dev/dc_ioasic.c @@ -0,0 +1,109 @@ +/* $NetBSD: dc_ioasic.c,v 1.4 1996/10/14 17:15:42 jonathan Exp $ */ + +/* + * Copyright 1996 The Board of Trustees of The Leland Stanford + * Junior University. All Rights Reserved. + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies. Stanford University + * makes no representations about the suitability of this + * software for any purpose. It is provided "as is" without + * express or implied warranty. + * + * this driver contributed by Jonathan Stone + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/types.h> +#include <sys/device.h> +#include <sys/tty.h> +#include <machine/autoconf.h> +#include <dev/tc/tcvar.h> +#include <dev/tc/ioasicvar.h> +#include <machine/dc7085cons.h> +#include <pmax/dev/dcvar.h> +#include <pmax/dev/dc_ioasic_cons.h> +#include <pmax/pmax/kn02.h> +/* + * Autoconfig definition of driver front-end + */ +int dc_ioasic_match __P((struct device * parent, void *cfdata, void *aux)); +void dc_ioasic_attach __P((struct device *parent, struct device *self, void *aux)); + +struct cfattach dc_ioasic_ca = { + sizeof(struct dc_softc), dc_ioasic_match, dc_ioasic_attach +}; + + +/* + * Initialize a line for (polled) console I/O + */ +int +dc_ioasic_consinit(dev) + dev_t dev; +{ + +#if defined(DEBUG) && 0 + printf("dc_ioasic(%d,%d): serial console at 0x%x\n", + minor(dev) >> 2, minor(dev) & 03, + MACH_PHYS_TO_UNCACHED(KN02_SYS_DZ)); + DELAY(100000); +#endif + dc_consinit(dev, (void *)MACH_PHYS_TO_UNCACHED(KN02_SYS_DZ)); + return(1); +} + + +/* + * Match driver on 5000/200 + * (not a real ioasic, but we configure it as one) + */ +int +dc_ioasic_match(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + struct ioasicdev_attach_args *d = aux; + + if (strcmp(d->iada_modname, "dc") != 0 && + strcmp(d->iada_modname, "dc7085") != 0) + return (0); + + if (badaddr((caddr_t)(d->iada_addr), 2)) + return (0); + + return (1); +} + + +void +dc_ioasic_attach(parent, self, aux) + struct device *parent; + struct device *self; + void *aux; +{ + struct dc_softc *sc = (void*) self; + struct ioasicdev_attach_args *d = aux; + caddr_t dcaddr; + + dcaddr = (caddr_t)d->iada_addr; + printf("address 0x%p\n", dcaddr); + (void) dcattach(sc, (void*)MACH_PHYS_TO_UNCACHED(dcaddr), + /* dtr/dsr mask */ (1<< DCPRINTER_PORT) + (1 << DCCOMM_PORT), +#ifdef HW_FLOW_CONTROL + /* rts/cts mask */ (1<< DCPRINTER_PORT) + (1 << DCCOMM_PORT), +#else + 0, +#endif + 1, 3); + /* tie pseudo-slot to device */ + ioasic_intr_establish(parent, d->iada_cookie, TC_IPL_TTY, + dcintr, self); + + printf("\n"); +} + |