diff options
Diffstat (limited to 'sys/arch/sgi/dev/lpt_lbus.c')
| -rw-r--r-- | sys/arch/sgi/dev/lpt_lbus.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/sys/arch/sgi/dev/lpt_lbus.c b/sys/arch/sgi/dev/lpt_lbus.c deleted file mode 100644 index d816302c52d..00000000000 --- a/sys/arch/sgi/dev/lpt_lbus.c +++ /dev/null @@ -1,163 +0,0 @@ -/* $OpenBSD: lpt_lbus.c,v 1.4 2005/01/31 21:35:50 grange Exp $ */ - -/* - * Copyright (c) 1993, 1994 Charles Hannum. - * Copyright (c) 1990 William F. Jolitz, TeleMuse - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This software is a component of "386BSD" developed by - * William F. Jolitz, TeleMuse. - * 4. Neither the name of the developer nor the name "386BSD" - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ - * AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS - * SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT. - * THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT - * NOT MAKE USE OF THIS WORK. - * - * FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED - * BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN - * REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES - * (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING - * JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND - * LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE - * ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS - * OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992. - * - * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 DEVELOPER 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. - */ - -/* - * Device Driver for AT parallel printer port - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/device.h> - -#include <machine/autoconf.h> -#include <machine/bus.h> -#include <machine/intr.h> - -#include <dev/ic/lptreg.h> -#include <dev/ic/lptvar.h> - -int lpt_localbus_probe(struct device *, void *, void *); -void lpt_localbus_attach(struct device *, struct device *, void *); - -struct cfattach lpt_pica_ca = { - sizeof(struct lpt_softc), lpt_localbus_probe, lpt_localbus_attach -}; - -struct cfattach lpt_algor_ca = { - sizeof(struct lpt_softc), lpt_localbus_probe, lpt_localbus_attach -}; - -int -lpt_localbus_probe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct confargs *ca = aux; - bus_space_tag_t iot; - bus_space_handle_t ioh; - bus_addr_t base; - u_int8_t mask, data; - int i; - -#ifdef DEBUG -#define ABORT \ - do { \ - printf("lpt_localbus_probe: mask %x data %x failed\n", mask, \ - data); \ - return 0; \ - } while (0) -#else -#define ABORT return 0 -#endif - - if (!BUS_MATCHNAME(ca, "lpt")) - return(0); - -/*XXX need to check where to pick up iotag when porting this */ - iot = sys_config.localbus_iot; - base = (bus_addr_t)BUS_CVTADDR(ca); - if (bus_space_map(iot, base, LPT_NPORTS, 0, &ioh)) { - return 0; - } - - mask = 0xff; - - data = 0x55; /* Alternating zeros */ - if (!lpt_port_test(iot, ioh, base, lpt_data, data, mask)) - ABORT; - - data = 0xaa; /* Alternating ones */ - if (!lpt_port_test(iot, ioh, base, lpt_data, data, mask)) - ABORT; - - for (i = 0; i < CHAR_BIT; i++) { /* Walking zero */ - data = ~(1 << i); - if (!lpt_port_test(iot, ioh, base, lpt_data, data, mask)) - ABORT; - } - - for (i = 0; i < CHAR_BIT; i++) { /* Walking one */ - data = (1 << i); - if (!lpt_port_test(iot, ioh, base, lpt_data, data, mask)) - ABORT; - } - - bus_space_write_1(iot, ioh, lpt_data, 0); - bus_space_write_1(iot, ioh, lpt_control, 0); - - return 1; -} - -void -lpt_localbus_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct lpt_softc *sc = (void *)self; - struct confargs *ca = aux; - bus_space_tag_t iot; - bus_space_handle_t ioh; - bus_addr_t base; - - printf("\n"); - - sc->sc_state = 0; - iot = sc->sc_iot = &pmonmips_bus_io; - base = (bus_space_handle_t)BUS_CVTADDR(ca); - if (bus_space_map(iot, base, LPT_NPORTS, 0, &ioh)) { - panic("unexpected bus_space_map error"); - } - sc->sc_ioh = ioh; - - bus_space_write_1(iot, ioh, lpt_control, LPC_NINIT); - - BUS_INTR_ESTABLISH(ca, lptintr, sc); -} |