diff options
| -rw-r--r-- | sys/conf/files.sparc64 | 1 | ||||
| -rw-r--r-- | sys/modules/Makefile | 2 | ||||
| -rw-r--r-- | sys/modules/epic/Makefile | 8 | ||||
| -rw-r--r-- | sys/sparc64/conf/GENERIC | 1 | ||||
| -rw-r--r-- | sys/sparc64/ebus/epic.c | 216 |
5 files changed, 228 insertions, 0 deletions
diff --git a/sys/conf/files.sparc64 b/sys/conf/files.sparc64 index 53077bb..8ccfd82 100644 --- a/sys/conf/files.sparc64 +++ b/sys/conf/files.sparc64 @@ -68,6 +68,7 @@ libkern/flsl.c standard libkern/memmove.c standard sparc64/central/central.c optional central sparc64/ebus/ebus.c optional ebus +sparc64/ebus/epic.c optional epic ebus sparc64/fhc/clkbrd.c optional fhc sparc64/fhc/fhc.c optional fhc sparc64/isa/isa.c optional isa diff --git a/sys/modules/Makefile b/sys/modules/Makefile index 841941b..3432da1 100644 --- a/sys/modules/Makefile +++ b/sys/modules/Makefile @@ -80,6 +80,7 @@ SUBDIR= ${_3dfx} \ ${_em} \ en \ ${_ep} \ + ${_epic} \ ${_et} \ ${_ex} \ ${_exca} \ @@ -593,6 +594,7 @@ _sound= sound .if ${MACHINE_ARCH} == "sparc64" _auxio= auxio _em= em +_epic= epic _i2c= i2c _igb= igb .if ${MK_CDDL} != "no" || defined(ALL_MODULES) diff --git a/sys/modules/epic/Makefile b/sys/modules/epic/Makefile new file mode 100644 index 0000000..8c2212b --- /dev/null +++ b/sys/modules/epic/Makefile @@ -0,0 +1,8 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../../sparc64/ebus + +KMOD= epic +SRCS= device_if.h epic.c bus_if.h ofw_bus_if.h + +.include <bsd.kmod.mk> diff --git a/sys/sparc64/conf/GENERIC b/sys/sparc64/conf/GENERIC index 676493f..a9c026c 100644 --- a/sys/sparc64/conf/GENERIC +++ b/sys/sparc64/conf/GENERIC @@ -141,6 +141,7 @@ device eeprom # eeprom (really a front-end for the MK48Txx) device mk48txx # Mostek MK48Txx clocks device rtc # rtc (really a front-end for the MC146818) device mc146818 # Motorola MC146818 and compatible clocks +device epic # Sun Fire V215/V245 LEDs # Serial (COM) ports device puc # Multi-channel uarts diff --git a/sys/sparc64/ebus/epic.c b/sys/sparc64/ebus/epic.c new file mode 100644 index 0000000..8c20e94 --- /dev/null +++ b/sys/sparc64/ebus/epic.c @@ -0,0 +1,216 @@ +/*- + * Copyright (c) 2009 Marius Strobl <marius@FreeBSD.org> + * 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. + */ + +#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 <machine/bus.h> +#include <machine/resource.h> + +#define EPIC_DELAY 10000 + +#define EPIC_NREG 1 +#define EPIC_FW_LED 0 + +#define EPIC_FW_LED_DATA 0x40 +#define EPIC_FW_LED_ADDR 0x41 +#define EPIC_FW_LED_WRITE_MASK 0x80 + +#define EPIC_FW_VERSION 0x05 +#define EPIC_LED_STATE0 0x06 + +#define EPIC_LED_ALERT_MASK 0x0c +#define EPIC_LED_ALERT_OFF 0x00 +#define EPIC_LED_ALERT_ON 0x04 + +#define EPIC_LED_POWER_MASK 0x30 +#define EPIC_LED_POWER_OFF 0x00 +#define EPIC_LED_POWER_ON 0x10 +#define EPIC_LED_POWER_SB_BLINK 0x20 +#define EPIC_LED_POWER_FAST_BLINK 0x30 + +static struct resource_spec epic_res_spec[] = { + { SYS_RES_MEMORY, EPIC_FW_LED, RF_ACTIVE }, + { -1, 0 } +}; + +struct epic_softc { + struct mtx sc_mtx; + struct resource *sc_res[EPIC_NREG]; + struct cdev *sc_led_dev_alert; + struct cdev *sc_led_dev_power; +}; + +#define EPIC_FW_LED_READ(sc, off) ({ \ + uint8_t __val; \ + bus_write_1((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_ADDR, (off));\ + bus_barrier((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_ADDR, 1, \ + BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ + DELAY(EPIC_DELAY); \ + __val = bus_read_1((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_DATA);\ + bus_barrier((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_DATA, 1, \ + BUS_SPACE_BARRIER_READ); \ + DELAY(EPIC_DELAY); \ + __val; \ +}) + +#define EPIC_FW_LED_WRITE(sc, off, mask, val) do { \ + bus_write_1((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_ADDR, (off));\ + bus_barrier((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_ADDR, 1, \ + BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ + DELAY(EPIC_DELAY); \ + bus_write_1((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_WRITE_MASK, \ + (mask)); \ + bus_barrier((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_WRITE_MASK, \ + 1, BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ + DELAY(EPIC_DELAY); \ + bus_write_1((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_DATA, (val));\ + bus_barrier((sc)->sc_res[EPIC_FW_LED], EPIC_FW_LED_DATA, 1, \ + BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ + DELAY(EPIC_DELAY); \ +} while (0) + +#define EPIC_LOCK_INIT(sc) \ + mtx_init(&(sc)->sc_mtx, "epic mtx", NULL, MTX_DEF) +#define EPIC_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_mtx) +#define EPIC_LOCK(sc) mtx_lock(&(sc)->sc_mtx) +#define EPIC_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) + +static device_probe_t epic_probe; +static device_attach_t epic_attach; +static device_detach_t epic_detach; + +static void epic_led_alert(void *arg, int onoff); +static void epic_led_power(void *arg, int onoff); + +static device_method_t epic_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, epic_probe), + DEVMETHOD(device_attach, epic_attach), + DEVMETHOD(device_detach, epic_detach), + + KOBJMETHOD_END +}; + +static devclass_t epic_devclass; + +DEFINE_CLASS_0(epic, epic_driver, epic_methods, + sizeof(struct epic_softc)); +DRIVER_MODULE(epic, ebus, epic_driver, epic_devclass, 0, 0); + +static int +epic_probe(device_t dev) +{ + const char* compat; + + compat = ofw_bus_get_compat(dev); + if (compat != NULL && strcmp(ofw_bus_get_name(dev), + "env-monitor") == 0 && strcmp(compat, "epic") == 0) { + device_set_desc(dev, "Sun Fire V215/V245 LEDs"); + return (BUS_PROBE_DEFAULT); + } + return (ENXIO); +} + +static int +epic_attach(device_t dev) +{ + struct epic_softc *sc; + + sc = device_get_softc(dev); + if (bus_alloc_resources(dev, epic_res_spec, sc->sc_res)) { + device_printf(dev, "failed to allocate resources\n"); + bus_release_resources(dev, epic_res_spec, sc->sc_res); + return (ENXIO); + } + + EPIC_LOCK_INIT(sc); + + if (bootverbose) + device_printf(dev, "version 0x%x\n", + EPIC_FW_LED_READ(sc, EPIC_FW_VERSION)); + + sc->sc_led_dev_alert = led_create(epic_led_alert, sc, "alert"); + sc->sc_led_dev_power = led_create(epic_led_power, sc, "power"); + + return (0); +} + +static int +epic_detach(device_t dev) +{ + struct epic_softc *sc; + + sc = device_get_softc(dev); + + led_destroy(sc->sc_led_dev_alert); + led_destroy(sc->sc_led_dev_power); + + bus_release_resources(dev, epic_res_spec, sc->sc_res); + + EPIC_LOCK_DESTROY(sc); + + return (0); +} + +static void +epic_led_alert(void *arg, int onoff) +{ + struct epic_softc *sc; + + sc = (struct epic_softc *)arg; + + EPIC_LOCK(sc); + EPIC_FW_LED_WRITE(sc, EPIC_LED_STATE0, EPIC_LED_ALERT_MASK, + onoff ? EPIC_LED_ALERT_ON : EPIC_LED_ALERT_OFF); + EPIC_UNLOCK(sc); +} + +static void +epic_led_power(void *arg, int onoff) +{ + struct epic_softc *sc; + + sc = (struct epic_softc *)arg; + + EPIC_LOCK(sc); + EPIC_FW_LED_WRITE(sc, EPIC_LED_STATE0, EPIC_LED_POWER_MASK, + onoff ? EPIC_LED_POWER_ON : EPIC_LED_POWER_OFF); + EPIC_UNLOCK(sc); +} |
