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[src/trunk]: src/sys/arch/evbarm Added two drivers for the Nokia N900 smartph...
details: https://anonhg.NetBSD.org/src/rev/06eb4f6de7dc
branches: trunk
changeset: 786675:06eb4f6de7dc
user: khorben <khorben%NetBSD.org@localhost>
date: Mon May 06 22:56:54 2013 +0000
description:
Added two drivers for the Nokia N900 smartphone, n900_audjck(4) and
n900_prxmty(4), to detect the insertion of audio jacks and obstruction of
the front light sensor, respectively.
Tested on my own device.
diffstat:
sys/arch/evbarm/conf/N900 | 10 +-
sys/arch/evbarm/conf/files.n900 | 12 ++-
sys/arch/evbarm/n900/n900_audjck.c | 197 +++++++++++++++++++++++++++++++++++++
sys/arch/evbarm/n900/n900_prxmty.c | 189 +++++++++++++++++++++++++++++++++++
4 files changed, 405 insertions(+), 3 deletions(-)
diffs (truncated from 462 to 300 lines):
diff -r 05d765626201 -r 06eb4f6de7dc sys/arch/evbarm/conf/N900
--- a/sys/arch/evbarm/conf/N900 Mon May 06 22:53:24 2013 +0000
+++ b/sys/arch/evbarm/conf/N900 Mon May 06 22:56:54 2013 +0000
@@ -1,5 +1,5 @@
#
-# $NetBSD: N900,v 1.12 2013/05/06 22:49:27 khorben Exp $
+# $NetBSD: N900,v 1.13 2013/05/06 22:56:55 khorben Exp $
#
# N900 -- Nokia N900 Kernel
#
@@ -210,7 +210,7 @@
omapgpio2 at obio2 addr 0x49052000 size 0x0400 intrbase 160 intr 31
omapgpio3 at obio2 addr 0x49054000 size 0x0400 intrbase 192 intr 32
omapgpio4 at obio2 addr 0x49056000 size 0x0400 intrbase 224 intr 33
-#omapgpio5 at obio2 addr 0x49058000 size 0x0400 intrbase 256 intr 34
+omapgpio5 at obio2 addr 0x49058000 size 0x0400 intrbase 256 intr 34
gpio* at omapgpio?
@@ -224,12 +224,18 @@
# Keyboard slide
n900kbdsld0 at gpio2 offset 7 mask 0x1 #intr 167
+# Proximity sensor
+n900prxmty0 at gpio2 offset 25 mask 0x1 #intr 185
+
# Camera cover
n900camcvr0 at gpio3 offset 14 mask 0x1 #intr 206
# Lock button
n900lckbtn0 at gpio3 offset 17 mask 0x1 #intr 209
+# Audio jack
+n900audjck0 at gpio5 offset 17 mask 0x1 #intr 273
+
# System Control Module
omapscm0 at obio0 addr 0x48002000 size 0x1000
diff -r 05d765626201 -r 06eb4f6de7dc sys/arch/evbarm/conf/files.n900
--- a/sys/arch/evbarm/conf/files.n900 Mon May 06 22:53:24 2013 +0000
+++ b/sys/arch/evbarm/conf/files.n900 Mon May 06 22:56:54 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.n900,v 1.4 2013/04/20 03:37:55 khorben Exp $
+# $NetBSD: files.n900,v 1.5 2013/05/06 22:56:55 khorben Exp $
#
# Nokia N900 configuration info
#
@@ -20,6 +20,11 @@
file arch/arm/omap/obio_com.c obiouart
defparam opt_com.h CONSADDR CONSPEED CONMODE
+# Audio jack
+device n900audjck: sysmon_envsys
+attach n900audjck at gpio with n900audjck
+file arch/evbarm/n900/n900_audjck.c n900audjck
+
# Camera button
device n900cambtn: sysmon_envsys
attach n900cambtn at gpio with n900cambtn
@@ -44,3 +49,8 @@
device n900lckbtn: sysmon_envsys
attach n900lckbtn at gpio with n900lckbtn
file arch/evbarm/n900/n900_lckbtn.c n900lckbtn
+
+# Proximity sensor
+device n900prxmty: sysmon_envsys
+attach n900prxmty at gpio with n900prxmty
+file arch/evbarm/n900/n900_prxmty.c n900prxmty
diff -r 05d765626201 -r 06eb4f6de7dc sys/arch/evbarm/n900/n900_audjck.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbarm/n900/n900_audjck.c Mon May 06 22:56:54 2013 +0000
@@ -0,0 +1,197 @@
+/* $NetBSD: n900_audjck.c,v 1.1 2013/05/06 22:56:54 khorben Exp $ */
+
+/*
+ * Audio jack driver for the Nokia N900.
+ *
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Pierre Pronchery (khorben%defora.org@localhost).
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
+__KERNEL_RCSID(0, "$NetBSD: n900_audjck.c,v 1.1 2013/05/06 22:56:54 khorben Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/gpio.h>
+
+#include <dev/gpio/gpiovar.h>
+#include <dev/sysmon/sysmonvar.h>
+
+#include <arm/omap/omap2_gpio.h>
+
+
+/* The base interrupt for the corresponding GPIO device where this driver
+ * attaches. This is an ugly workaround the current limitations of gpio(4),
+ * which does not seem to allow a better way to locate the interrupt yet. */
+#define N900AUDJCK_GPIO_BASE 256
+
+#define N900AUDJCK_PIN_INPUT 0
+#define N900AUDJCK_NPINS 1
+
+
+struct n900audjck_softc
+{
+ device_t sc_dev;
+ void * sc_gpio;
+ void * sc_intr;
+
+ struct gpio_pinmap sc_map;
+ int sc_map_pins[N900AUDJCK_NPINS];
+
+ struct sysmon_pswitch sc_smpsw;
+ int sc_state;
+};
+
+static int n900audjck_match(device_t, cfdata_t, void *);
+static void n900audjck_attach(device_t, device_t, void *);
+static int n900audjck_detach(device_t, int);
+
+CFATTACH_DECL_NEW(n900audjck, sizeof(struct n900audjck_softc),
+ n900audjck_match, n900audjck_attach, n900audjck_detach, NULL);
+
+static void n900audjck_refresh(struct n900audjck_softc *);
+
+static int n900audjck_intr(void *v);
+
+
+static int
+n900audjck_match(device_t parent, cfdata_t cf, void * aux)
+{
+ struct gpio_attach_args *ga = aux;
+
+ if (strcmp(ga->ga_dvname, cf->cf_name))
+ return 0;
+
+ if (ga->ga_offset == -1)
+ return 0;
+
+ /* check that we have enough pins */
+ if (gpio_npins(ga->ga_mask) != N900AUDJCK_NPINS) {
+ aprint_debug("%s: invalid pin mask 0x%02x\n", cf->cf_name,
+ ga->ga_mask);
+ return 0;
+ }
+
+ return 1;
+}
+
+static void
+n900audjck_attach(device_t parent, device_t self, void *aux)
+{
+ struct n900audjck_softc *sc = device_private(self);
+ struct gpio_attach_args *ga = aux;
+ int caps;
+
+ sc->sc_dev = self;
+ sc->sc_gpio = ga->ga_gpio;
+
+ /* map pins */
+ sc->sc_map.pm_map = sc->sc_map_pins;
+ if (gpio_pin_map(sc->sc_gpio, ga->ga_offset, ga->ga_mask,
+ &sc->sc_map)) {
+ aprint_error(": couldn't map the pins\n");
+ return;
+ }
+
+ /* configure the input pin */
+ caps = gpio_pin_caps(sc->sc_gpio, &sc->sc_map, N900AUDJCK_PIN_INPUT);
+ if (!(caps & GPIO_PIN_INPUT)) {
+ aprint_error(": pin is unable to read input\n");
+ gpio_pin_unmap(sc->sc_gpio, &sc->sc_map);
+ return;
+ }
+ gpio_pin_ctl(sc->sc_gpio, &sc->sc_map, N900AUDJCK_PIN_INPUT,
+ GPIO_PIN_INPUT);
+
+ sc->sc_intr = intr_establish(N900AUDJCK_GPIO_BASE + ga->ga_offset,
+ IPL_VM, IST_EDGE_BOTH, n900audjck_intr, sc);
+ if (sc->sc_intr == NULL) {
+ aprint_error(": couldn't establish interrupt\n");
+ gpio_pin_unmap(sc->sc_gpio, &sc->sc_map);
+ return;
+ }
+
+ aprint_normal(": N900 audio jack\n");
+ aprint_naive(": N900 audio jack\n");
+
+ if (!pmf_device_register(sc->sc_dev, NULL, NULL)) {
+ aprint_error_dev(sc->sc_dev,
+ "couldn't establish power handler\n");
+ }
+
+ sc->sc_smpsw.smpsw_name = device_xname(self);
+ sc->sc_smpsw.smpsw_type = PSWITCH_TYPE_HOTKEY;
+ sc->sc_state = PSWITCH_EVENT_RELEASED;
+ sysmon_pswitch_register(&sc->sc_smpsw);
+
+ /* report an event immediately if an audio jack is inserted */
+ n900audjck_refresh(sc);
+}
+
+static int
+n900audjck_detach(device_t self, int flags)
+{
+ struct n900audjck_softc *sc = device_private(self);
+
+ if (sc->sc_intr != NULL) {
+ intr_disestablish(sc->sc_intr);
+ }
+
+ gpio_pin_unmap(sc->sc_gpio, &sc->sc_map);
+ pmf_device_deregister(self);
+
+ return 0;
+}
+
+static int
+n900audjck_intr(void *v)
+{
+ struct n900audjck_softc *sc = v;
+
+ n900audjck_refresh(sc);
+ return 1;
+}
+
+static void
+n900audjck_refresh(struct n900audjck_softc *sc)
+{
+ int i;
+ int event;
+
+ i = gpio_pin_read(sc->sc_gpio, &sc->sc_map, N900AUDJCK_PIN_INPUT);
+ event = (i == GPIO_PIN_HIGH)
+ ? PSWITCH_EVENT_RELEASED : PSWITCH_EVENT_PRESSED;
+
+ /* crude way to avoid duplicate events */
+ if(event == sc->sc_state)
+ return;
+ sc->sc_state = event;
+
+ /* report the event */
+ sysmon_pswitch_event(&sc->sc_smpsw, event);
+}
diff -r 05d765626201 -r 06eb4f6de7dc sys/arch/evbarm/n900/n900_prxmty.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbarm/n900/n900_prxmty.c Mon May 06 22:56:54 2013 +0000
@@ -0,0 +1,189 @@
+/* $NetBSD: n900_prxmty.c,v 1.1 2013/05/06 22:56:54 khorben Exp $ */
+
+/*
+ * Proximity sensor driver for the Nokia N900.
+ *
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Pierre Pronchery (khorben%defora.org@localhost).
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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
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