svn commit: r202410 - in stable/8/sys: conf modules modules/epic
sparc64/conf sparc64/ebus
Marius Strobl
marius at FreeBSD.org
Fri Jan 15 19:12:33 UTC 2010
Author: marius
Date: Fri Jan 15 19:12:33 2010
New Revision: 202410
URL: http://svn.freebsd.org/changeset/base/202410
Log:
MFC: r202006
Add epic(4), a driver for the front panel LEDs in Sun Fire V215/V245.
It's named after the driver doing the same job in OpenSolaris.
Added:
stable/8/sys/modules/epic/
- copied from r202006, head/sys/modules/epic/
stable/8/sys/sparc64/ebus/epic.c
- copied unchanged from r202006, head/sys/sparc64/ebus/epic.c
Modified:
stable/8/sys/conf/files.sparc64
stable/8/sys/modules/Makefile
stable/8/sys/sparc64/conf/GENERIC
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/conf/files.sparc64
==============================================================================
--- stable/8/sys/conf/files.sparc64 Fri Jan 15 19:06:47 2010 (r202409)
+++ stable/8/sys/conf/files.sparc64 Fri Jan 15 19:12:33 2010 (r202410)
@@ -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
Modified: stable/8/sys/modules/Makefile
==============================================================================
--- stable/8/sys/modules/Makefile Fri Jan 15 19:06:47 2010 (r202409)
+++ stable/8/sys/modules/Makefile Fri Jan 15 19:12:33 2010 (r202410)
@@ -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)
Modified: stable/8/sys/sparc64/conf/GENERIC
==============================================================================
--- stable/8/sys/sparc64/conf/GENERIC Fri Jan 15 19:06:47 2010 (r202409)
+++ stable/8/sys/sparc64/conf/GENERIC Fri Jan 15 19:12:33 2010 (r202410)
@@ -141,6 +141,7 @@ device eeprom # eeprom (really a front
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
Copied: stable/8/sys/sparc64/ebus/epic.c (from r202006, head/sys/sparc64/ebus/epic.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/8/sys/sparc64/ebus/epic.c Fri Jan 15 19:12:33 2010 (r202410, copy of r202006, head/sys/sparc64/ebus/epic.c)
@@ -0,0 +1,216 @@
+/*-
+ * Copyright (c) 2009 Marius Strobl <marius at 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);
+}
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