diff options
Diffstat (limited to 'sys/dev/auxio/auxio.c')
| -rw-r--r-- | sys/dev/auxio/auxio.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/sys/dev/auxio/auxio.c b/sys/dev/auxio/auxio.c deleted file mode 100644 index 8c5f28d50e8a..000000000000 --- a/sys/dev/auxio/auxio.c +++ /dev/null @@ -1,325 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause - * - * Copyright (c) 2004 Pyun YongHyeon - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - */ - -/* $NetBSD: auxio.c,v 1.11 2003/07/15 03:36:04 lukem Exp $ */ - -/*- - * Copyright (c) 2000, 2001 Matthew R. Green - * 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. - */ - -/* - * AUXIO registers support on the SBus & EBus2, used for the floppy driver - * and to control the system LED, for the BLINK option. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/module.h> -#include <sys/mutex.h> -#include <sys/resource.h> -#include <sys/rman.h> - -#include <dev/led/led.h> -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/openfirm.h> - -#include <machine/bus.h> -#include <machine/ofw_machdep.h> -#include <machine/resource.h> - -#include <sparc64/sbus/sbusvar.h> -#include <dev/auxio/auxioreg.h> - -/* - * On sun4u, auxio exists with one register (LED) on the SBus, and 5 - * registers on the EBus2 (pci) (LED, PCIMODE, FREQUENCY, SCSI - * OSCILLATOR, and TEMP SENSE. - */ - -#define AUXIO_PCIO_LED 0 -#define AUXIO_PCIO_PCI 1 -#define AUXIO_PCIO_FREQ 2 -#define AUXIO_PCIO_OSC 3 -#define AUXIO_PCIO_TEMP 4 -#define AUXIO_PCIO_NREG 5 - -struct auxio_softc { - device_t sc_dev; - - int sc_nauxio; - struct resource *sc_res[AUXIO_PCIO_NREG]; - int sc_rid[AUXIO_PCIO_NREG]; - bus_space_tag_t sc_regt[AUXIO_PCIO_NREG]; - bus_space_handle_t sc_regh[AUXIO_PCIO_NREG]; - struct cdev *sc_led_dev; - u_int32_t sc_led_stat; - - int sc_flags; -#define AUXIO_LEDONLY 0x1 -#define AUXIO_EBUS 0x2 -#define AUXIO_SBUS 0x4 - - struct mtx sc_lock; -}; - -static void auxio_led_func(void *arg, int onoff); -static int auxio_attach_common(struct auxio_softc *); -static int auxio_bus_probe(device_t); -static int auxio_sbus_attach(device_t); -static int auxio_ebus_attach(device_t); -static int auxio_bus_detach(device_t); -static void auxio_free_resource(struct auxio_softc *); -static __inline u_int32_t auxio_led_read(struct auxio_softc *); -static __inline void auxio_led_write(struct auxio_softc *, u_int32_t); - -/* SBus */ -static device_method_t auxio_sbus_methods[] = { - DEVMETHOD(device_probe, auxio_bus_probe), - DEVMETHOD(device_attach, auxio_sbus_attach), - DEVMETHOD(device_detach, auxio_bus_detach), - - DEVMETHOD_END -}; - -static driver_t auxio_sbus_driver = { - "auxio", - auxio_sbus_methods, - sizeof(struct auxio_softc) -}; - -static devclass_t auxio_devclass; -/* The probe order is handled by sbus(4). */ -EARLY_DRIVER_MODULE(auxio, sbus, auxio_sbus_driver, auxio_devclass, 0, 0, - BUS_PASS_DEFAULT); -MODULE_DEPEND(auxio, sbus, 1, 1, 1); - -/* EBus */ -static device_method_t auxio_ebus_methods[] = { - DEVMETHOD(device_probe, auxio_bus_probe), - DEVMETHOD(device_attach, auxio_ebus_attach), - DEVMETHOD(device_detach, auxio_bus_detach), - - DEVMETHOD_END -}; - -static driver_t auxio_ebus_driver = { - "auxio", - auxio_ebus_methods, - sizeof(struct auxio_softc) -}; - -EARLY_DRIVER_MODULE(auxio, ebus, auxio_ebus_driver, auxio_devclass, 0, 0, - BUS_PASS_DEFAULT); -MODULE_DEPEND(auxio, ebus, 1, 1, 1); -MODULE_VERSION(auxio, 1); - -#define AUXIO_LOCK_INIT(sc) \ - mtx_init(&sc->sc_lock, "auxio mtx", NULL, MTX_DEF) -#define AUXIO_LOCK(sc) mtx_lock(&sc->sc_lock) -#define AUXIO_UNLOCK(sc) mtx_unlock(&sc->sc_lock) -#define AUXIO_LOCK_DESTROY(sc) mtx_destroy(&sc->sc_lock) - -static __inline void -auxio_led_write(struct auxio_softc *sc, u_int32_t v) -{ - if (sc->sc_flags & AUXIO_EBUS) - bus_space_write_4(sc->sc_regt[AUXIO_PCIO_LED], - sc->sc_regh[AUXIO_PCIO_LED], 0, v); - else - bus_space_write_1(sc->sc_regt[AUXIO_PCIO_LED], - sc->sc_regh[AUXIO_PCIO_LED], 0, v); -} - -static __inline u_int32_t -auxio_led_read(struct auxio_softc *sc) -{ - u_int32_t led; - - if (sc->sc_flags & AUXIO_EBUS) - led = bus_space_read_4(sc->sc_regt[AUXIO_PCIO_LED], - sc->sc_regh[AUXIO_PCIO_LED], 0); - else - led = bus_space_read_1(sc->sc_regt[AUXIO_PCIO_LED], - sc->sc_regh[AUXIO_PCIO_LED], 0); - - return (led); -} - -static void -auxio_led_func(void *arg, int onoff) -{ - struct auxio_softc *sc; - u_int32_t led; - - sc = (struct auxio_softc *)arg; - - AUXIO_LOCK(sc); - /* - * NB: We must not touch the other bits of the SBus AUXIO reg. - */ - led = auxio_led_read(sc); - if (onoff) - led |= AUXIO_LED_LED; - else - led &= ~AUXIO_LED_LED; - auxio_led_write(sc, led); - AUXIO_UNLOCK(sc); -} - -static int -auxio_bus_probe(device_t dev) -{ - const char *name; - - name = ofw_bus_get_name(dev); - if (strcmp("auxio", name) == 0) { - device_set_desc(dev, "Sun Auxiliary I/O"); - return (0); - } - - return (ENXIO); -} - -static int -auxio_ebus_attach(device_t dev) -{ - struct auxio_softc *sc; - - sc = device_get_softc(dev); - sc->sc_dev = dev; - - AUXIO_LOCK_INIT(sc); - sc->sc_nauxio = AUXIO_PCIO_NREG; - sc->sc_flags = AUXIO_LEDONLY | AUXIO_EBUS; - - return(auxio_attach_common(sc)); -} - -static int -auxio_attach_common(struct auxio_softc *sc) -{ - struct resource *res; - int i; - - for (i = 0; i < sc->sc_nauxio; i++) { - sc->sc_rid[i] = i; - res = bus_alloc_resource_any(sc->sc_dev, SYS_RES_MEMORY, - &sc->sc_rid[i], RF_ACTIVE); - if (res == NULL) { - device_printf(sc->sc_dev, - "could not allocate resources\n"); - goto attach_fail; - } - sc->sc_res[i] = res; - sc->sc_regt[i] = rman_get_bustag(res); - sc->sc_regh[i] = rman_get_bushandle(res); - } - - sc->sc_led_stat = auxio_led_read(sc) & AUXIO_LED_LED; - sc->sc_led_dev = led_create(auxio_led_func, sc, "auxioled"); - /* turn on the LED */ - auxio_led_func(sc, 1); - - return (0); - -attach_fail: - auxio_free_resource(sc); - - return (ENXIO); -} - -static int -auxio_bus_detach(device_t dev) -{ - struct auxio_softc *sc; - - sc = device_get_softc(dev); - led_destroy(sc->sc_led_dev); - auxio_led_func(sc, sc->sc_led_stat); - auxio_free_resource(sc); - - return (0); -} - -static void -auxio_free_resource(struct auxio_softc *sc) -{ - int i; - - for (i = 0; i < sc->sc_nauxio; i++) - if (sc->sc_res[i]) - bus_release_resource(sc->sc_dev, SYS_RES_MEMORY, - sc->sc_rid[i], sc->sc_res[i]); - AUXIO_LOCK_DESTROY(sc); -} - -static int -auxio_sbus_attach(device_t dev) -{ - struct auxio_softc *sc; - - sc = device_get_softc(dev); - sc->sc_dev = dev; - - AUXIO_LOCK_INIT(sc); - sc->sc_nauxio = 1; - sc->sc_flags = AUXIO_LEDONLY | AUXIO_SBUS; - - return (auxio_attach_common(sc)); -} |