diff options
author | yongari <yongari@FreeBSD.org> | 2004-10-09 07:31:03 +0000 |
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committer | yongari <yongari@FreeBSD.org> | 2004-10-09 07:31:03 +0000 |
commit | 0323c1151ec4b49b6bef5cfebd2829b7fa1242c5 (patch) | |
tree | d9e1ed67aa6fb6403cfbc6d5edc540acf61b8129 /sys/dev | |
parent | 1ec2d0e4b01c36af63790dafaea4bcc5927e3c1e (diff) | |
download | FreeBSD-src-0323c1151ec4b49b6bef5cfebd2829b7fa1242c5.zip FreeBSD-src-0323c1151ec4b49b6bef5cfebd2829b7fa1242c5.tar.gz |
Port NetBSD auxio driver. The driver was modified to use led(4) and can
be used to announce various system activity.
The auxio device provides auxiliary I/O functions and is found on various
SBus/EBus UltraSPARC models. At present, only front panel LED is
controlled by this driver.
Approved by: jake (mentor)
Reviewed by: joerg
Tested by: joerg
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/auxio/auxio.c | 335 | ||||
-rw-r--r-- | sys/dev/auxio/auxioreg.h | 73 |
2 files changed, 408 insertions, 0 deletions
diff --git a/sys/dev/auxio/auxio.c b/sys/dev/auxio/auxio.c new file mode 100644 index 0000000..74d6880 --- /dev/null +++ b/sys/dev/auxio/auxio.c @@ -0,0 +1,335 @@ +/*- + * 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_MAX 8 + +struct auxio_softc { + struct device *sc_dev; + + int sc_nauxio; + struct resource *sc_res[AUXIO_PCIO_MAX]; + int sc_rid[AUXIO_PCIO_MAX]; + bus_space_tag_t sc_regt[AUXIO_PCIO_MAX]; + bus_space_handle_t sc_regh[AUXIO_PCIO_MAX]; + 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 void 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), + {0, 0} +}; + +static driver_t auxio_sbus_driver = { + "auxio", + auxio_sbus_methods, + sizeof(struct auxio_softc) +}; + +static devclass_t auxio_devclass; +DRIVER_MODULE(auxio, sbus, auxio_sbus_driver, auxio_devclass, 0, 0); + +/* 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), + {0, 0} +}; + +static driver_t auxio_ebus_driver = { + "auxio", + auxio_ebus_methods, + sizeof(struct auxio_softc) +}; + +DRIVER_MODULE(auxio, ebus, auxio_ebus_driver, auxio_devclass, 0, 0); +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; + + led = onoff ? AUXIO_LED_LED : 0; + AUXIO_LOCK(sc); + 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; + struct resource *res; + u_long start, count; + int i; + + sc = device_get_softc(dev); + bzero(sc, sizeof(*sc)); + sc->sc_dev = dev; + + AUXIO_LOCK_INIT(sc); + sc->sc_nauxio = AUXIO_PCIO_MAX; + sc->sc_flags = AUXIO_LEDONLY | AUXIO_EBUS; + for (i = 0; + i < AUXIO_PCIO_MAX && + bus_get_resource(dev, SYS_RES_IOPORT, i, &start, &count) == 0; + i++) { + sc->sc_rid[i] = i; + if (bootverbose) + device_printf(sc->sc_dev, + "Got rid %d, start %#lx, count %#lx\n", + i, start, count); + res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, + &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_nauxio = i; + auxio_attach_common(sc); + + return (0); + +attach_fail: + auxio_free_resource(sc); + + return (ENXIO); +} + +static void +auxio_attach_common(struct auxio_softc *sc) +{ + sc->sc_led_stat = auxio_led_read(sc); + sc->sc_led_dev = led_create(auxio_led_func, sc, "auxioled"); + /* turn on the LED */ + auxio_led_func(sc, 1); +} + +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, n; + + n = sc->sc_nauxio; + for (i = 0; i < n; i++) + if (sc->sc_res[i]) + bus_release_resource(sc->sc_dev, + (sc->sc_flags & AUXIO_SBUS) ? SYS_RES_MEMORY : + SYS_RES_IOPORT, sc->sc_rid[i], sc->sc_res[i]); + AUXIO_LOCK_DESTROY(sc); +} + +static int +auxio_sbus_attach(device_t dev) +{ + struct auxio_softc *sc; + struct resource *res; + + sc = device_get_softc(dev); + bzero(sc, sizeof(*sc)); + sc->sc_dev = dev; + + AUXIO_LOCK_INIT(sc); + sc->sc_nauxio = 1; + sc->sc_flags = AUXIO_LEDONLY | AUXIO_SBUS; + sc->sc_rid[AUXIO_PCIO_LED] = 0; + res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, + &sc->sc_rid[AUXIO_PCIO_LED], RF_ACTIVE); + if (res == NULL) { + device_printf(sc->sc_dev, "could not allocate resources\n"); + goto attach_fail; + } + sc->sc_res[AUXIO_PCIO_LED] = res; + sc->sc_regt[AUXIO_PCIO_LED] = rman_get_bustag(res); + sc->sc_regh[AUXIO_PCIO_LED] = rman_get_bushandle(res); + auxio_attach_common(sc); + return (0); + +attach_fail: + auxio_free_resource(sc); + + return (ENXIO); +} diff --git a/sys/dev/auxio/auxioreg.h b/sys/dev/auxio/auxioreg.h new file mode 100644 index 0000000..439bf34 --- /dev/null +++ b/sys/dev/auxio/auxioreg.h @@ -0,0 +1,73 @@ +/* $FreeBSD$ */ +/* $NetBSD: auxioreg.h,v 1.4 2001/10/22 07:31:41 mrg Exp $ */ + +/* + * Copyright (c) 2000 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. + */ + +/* + * The AUXIO registers; their offset in the Ebus2 address space, plus the + * bits for each register. Note that the fdthree (FD), SUNW,CS4231 (AUDIO) + * and power (POWER) devices on the Ebus2 have their AUXIO regsiters mapped + * into their own "reg" properties, not the "auxio" device's "reg" properties. + */ +#define AUXIO_FD 0x00720000 +#define AUXIO_FD_DENSENSE_INPUT 0x0 +#define AUXIO_FD_DENSENSE_OUTPUT 0x1 + +#define AUXIO_AUDIO 0x00722000 +#define AUXIO_AUDIO_POWERDOWN 0x0 + +#define AUXIO_POWER 0x00724000 +#define AUXIO_POWER_SYSTEM_OFF 0x0 +#define AUXIO_POWER_COURTESY_OFF 0x1 + +#define AUXIO_LED 0x00726000 +#define AUXIO_LED_LED 1 + +#define AUXIO_PCI 0x00728000 +#define AUXIO_PCI_SLOT0 0x0 /* two bits each */ +#define AUXIO_PCI_SLOT1 0x2 +#define AUXIO_PCI_SLOT2 0x4 +#define AUXIO_PCI_SLOT3 0x6 +#define AUXIO_PCI_MODE 0x8 + +#define AUXIO_FREQ 0x0072a000 +#define AUXIO_FREQ_FREQ0 0x0 +#define AUXIO_FREQ_FREQ1 0x1 +#define AUXIO_FREQ_FREQ2 0x2 + +#define AUXIO_SCSI 0x0072c000 +#define AUXIO_SCSI_INT_OSC_EN 0x0 +#define AUXIO_SCSI_EXT_OSC_EN 0x1 + +#define AUXIO_TEMP 0x0072f000 +#define AUXIO_TEMP_SELECT 0x0 +#define AUXIO_TEMP_CLOCK 0x1 +#define AUXIO_TEMP_ENABLE 0x2 +#define AUXIO_TEMP_DATAOUT 0x3 +#define AUXIO_TEMP_DATAINT 0x4 |