Initial Contribution

39 files changed, 4196 insertions, 0 deletions

diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..05dc61a
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,22 @@
+# Copyright 2006 The Android Open Source Project
+
+# Setting LOCAL_PATH will mess up all-subdir-makefiles, so do it beforehand.
+SAVE_MAKEFILES := $(call all-subdir-makefiles)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SHARED_LIBRARIES := libutils libcutils libwpa_client
+
+include $(SAVE_MAKEFILES)
+
+# need "-lrt" on Linux simulator to pick up clock_gettime
+ifeq ($(TARGET_SIMULATOR),true)
+	ifeq ($(HOST_OS),linux)
+		LOCAL_LDLIBS += -lrt -lpthread
+	endif
+endif
+
+LOCAL_MODULE:= libhardware
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/MODULE_LICENSE_APACHE2 b/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_APACHE2
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..c5b1efa
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,190 @@
+
+   Copyright (c) 2005-2008, The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
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+      "Licensor" shall mean the copyright owner or entity authorized by
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
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+      including but not limited to software source code, documentation
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+      "Work" shall mean the work of authorship, whether in Source or
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+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
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+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
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+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
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+      (d) If the Work includes a "NOTICE" text file as part of its
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
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+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
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+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
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+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
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+      the Work or Derivative Works thereof, You may choose to offer,
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+      defend, and hold each Contributor harmless for any liability
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+   END OF TERMS AND CONDITIONS
+
diff --git a/flashlight/Android.mk b/flashlight/Android.mk
new file mode 100644
index 0000000..c696e1b
--- /dev/null
+++ b/flashlight/Android.mk
@@ -0,0 +1,4 @@
+# Copyright 2007 The Android Open Source Project
+
+LOCAL_SRC_FILES += flashlight/flashlight.c
+
diff --git a/flashlight/flashlight.c b/flashlight/flashlight.c
new file mode 100644
index 0000000..028a1dc
--- /dev/null
+++ b/flashlight/flashlight.c
@@ -0,0 +1,59 @@
+#include <hardware/flashlight.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define FLASHLIGHT "/sys/class/leds/spotlight/brightness"
+#define CAMERA_FLASH "/sys/class/timed_output/flash/enable"
+
+
+int get_flashlight_enabled()
+{
+    int fd;
+    int ret = 0;
+    char value;
+
+    fd = open(FLASHLIGHT, O_RDONLY);
+    if(fd && read(fd, &value, 1) == 1) {
+        ret = (value == '1');
+    }
+    close(fd);
+
+    return ret;
+}
+
+int set_flashlight_enabled(int on)
+{
+    int nwr, ret, fd;
+    char value[20];
+
+    fd = open(FLASHLIGHT, O_RDWR);
+    if(fd < 0)
+        return errno;
+
+    nwr = sprintf(value, "%d\n", !!on);
+    ret = write(fd, value, nwr);
+
+    close(fd);
+
+    return (ret == nwr) ? 0 : -1;
+}
+
+int enable_camera_flash(int milliseconds)
+{
+    int nwr, ret, fd;
+    char value[20];
+
+    fd = open(CAMERA_FLASH, O_RDWR);
+    if(fd < 0)
+        return errno;
+
+    nwr = sprintf(value, "%d\n", milliseconds);
+    ret = write(fd, value, nwr);
+
+    close(fd);
+
+    return (ret == nwr) ? 0 : -1;
+}
diff --git a/gps/Android.mk b/gps/Android.mk
new file mode 100644
index 0000000..64ada57
--- /dev/null
+++ b/gps/Android.mk
@@ -0,0 +1,19 @@
+# the Dream and Surf use the Qualcom GPS stuff
+#
+
+ifneq ($(BOARD_GPS_LIBRARIES),)
+  LOCAL_CFLAGS           += -DHAVE_GPS_HARDWARE
+  LOCAL_SHARED_LIBRARIES += $(BOARD_GPS_LIBRARIES)
+endif
+
+# always compile the emulator-specific hardware for now
+#
+USE_QEMU_GPS_HARDWARE := true
+
+ifeq ($(USE_QEMU_GPS_HARDWARE),true)
+    LOCAL_CFLAGS    += -DHAVE_QEMU_GPS_HARDWARE
+    LOCAL_SRC_FILES += gps/gps_qemu.c
+endif
+
+LOCAL_SRC_FILES += gps/gps.cpp
+
diff --git a/gps/gps.cpp b/gps/gps.cpp
new file mode 100644
index 0000000..efd1181
--- /dev/null
+++ b/gps/gps.cpp
@@ -0,0 +1,39 @@
+#include <hardware/gps.h>
+#include <cutils/properties.h>
+
+#define LOG_TAG "libhardware"
+#include <utils/Log.h>
+
+static const GpsInterface*  sGpsInterface = NULL;
+
+static void
+gps_find_hardware( void )
+{
+#ifdef HAVE_QEMU_GPS_HARDWARE
+    char  propBuf[PROPERTY_VALUE_MAX];
+
+    property_get("ro.kernel.qemu", propBuf, "");
+    if (propBuf[0] == '1') {
+        sGpsInterface = gps_get_qemu_interface();
+        if (sGpsInterface) {
+            LOGD("using QEMU GPS Hardware emulation\n");
+            return;
+        }
+    }
+#endif
+
+#ifdef HAVE_GPS_HARDWARE
+    sGpsInterface = gps_get_hardware_interface();
+#endif
+    if (!sGpsInterface)
+        LOGD("no GPS hardware on this device\n");
+}
+
+const GpsInterface*
+gps_get_interface()
+{
+    if (sGpsInterface == NULL)
+         gps_find_hardware();
+
+    return sGpsInterface;
+}
diff --git a/gps/gps_qemu.c b/gps/gps_qemu.c
new file mode 100644
index 0000000..67737c1
--- /dev/null
+++ b/gps/gps_qemu.c
@@ -0,0 +1,945 @@
+
+#include <errno.h>
+#include <pthread.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <sys/epoll.h>
+#include <math.h>
+#include <time.h>
+
+#define  LOG_TAG  "gps_qemu"
+#include <cutils/log.h>
+#include <cutils/sockets.h>
+#include <cutils/properties.h>
+#include <hardware/gps.h>
+
+/* the name of the qemud-controlled socket */
+#define  QEMUD_SOCKET_NAME  "qemud_gps"
+
+#define  GPS_DEBUG  0
+
+#if GPS_DEBUG
+#  define  D(...)   LOGD(__VA_ARGS__)
+#else
+#  define  D(...)   ((void)0)
+#endif
+
+
+/*****************************************************************/
+/*****************************************************************/
+/*****                                                       *****/
+/*****       N M E A   T O K E N I Z E R                     *****/
+/*****                                                       *****/
+/*****************************************************************/
+/*****************************************************************/
+
+typedef struct {
+    const char*  p;
+    const char*  end;
+} Token;
+
+#define  MAX_NMEA_TOKENS  16
+
+typedef struct {
+    int     count;
+    Token   tokens[ MAX_NMEA_TOKENS ];
+} NmeaTokenizer;
+
+static int
+nmea_tokenizer_init( NmeaTokenizer*  t, const char*  p, const char*  end )
+{
+    int    count = 0;
+    char*  q;
+
+    // the initial '$' is optional
+    if (p < end && p[0] == '$')
+        p += 1;
+
+    // remove trailing newline
+    if (end > p && end[-1] == '\n') {
+        end -= 1;
+        if (end > p && end[-1] == '\r')
+            end -= 1;
+    }
+
+    // get rid of checksum at the end of the sentecne
+    if (end >= p+3 && end[-3] == '*') {
+        end -= 3;
+    }
+
+    while (p < end) {
+        const char*  q = p;
+
+        q = memchr(p, ',', end-p);
+        if (q == NULL)
+            q = end;
+
+        if (q > p) {
+            if (count < MAX_NMEA_TOKENS) {
+                t->tokens[count].p   = p;
+                t->tokens[count].end = q;
+                count += 1;
+            }
+        }
+        if (q < end)
+            q += 1;
+
+        p = q;
+    }
+
+    t->count = count;
+    return count;
+}
+
+static Token
+nmea_tokenizer_get( NmeaTokenizer*  t, int  index )
+{
+    Token  tok;
+    static const char*  dummy = "";
+
+    if (index < 0 || index >= t->count) {
+        tok.p = tok.end = dummy;
+    } else
+        tok = t->tokens[index];
+
+    return tok;
+}
+
+
+static int
+str2int( const char*  p, const char*  end )
+{
+    int   result = 0;
+    int   len    = end - p;
+
+    for ( ; len > 0; len--, p++ )
+    {
+        int  c;
+
+        if (p >= end)
+            goto Fail;
+
+        c = *p - '0';
+        if ((unsigned)c >= 10)
+            goto Fail;
+
+        result = result*10 + c;
+    }
+    return  result;
+
+Fail:
+    return -1;
+}
+
+static double
+str2float( const char*  p, const char*  end )
+{
+    int   result = 0;
+    int   len    = end - p;
+    char  temp[16];
+
+    if (len >= (int)sizeof(temp))
+        return 0.;
+
+    memcpy( temp, p, len );
+    temp[len] = 0;
+    return strtod( temp, NULL );
+}
+
+/*****************************************************************/
+/*****************************************************************/
+/*****                                                       *****/
+/*****       N M E A   P A R S E R                           *****/
+/*****                                                       *****/
+/*****************************************************************/
+/*****************************************************************/
+
+#define  NMEA_MAX_SIZE  83
+
+typedef struct {
+    int     pos;
+    int     overflow;
+    int     utc_year;
+    int     utc_mon;
+    int     utc_day;
+    int     utc_diff;
+    GpsLocation  fix;
+    gps_location_callback  callback;
+    char    in[ NMEA_MAX_SIZE+1 ];
+} NmeaReader;
+
+
+static void
+nmea_reader_update_utc_diff( NmeaReader*  r )
+{
+    time_t         now = time(NULL);
+    struct tm      tm_local;
+    struct tm      tm_utc;
+    long           time_local, time_utc;
+
+    gmtime_r( &now, &tm_utc );
+    localtime_r( &now, &tm_local );
+
+    time_local = tm_local.tm_sec +
+                 60*(tm_local.tm_min +
+                 60*(tm_local.tm_hour +
+                 24*(tm_local.tm_yday +
+                 365*tm_local.tm_year)));
+
+    time_utc = tm_utc.tm_sec +
+               60*(tm_utc.tm_min +
+               60*(tm_utc.tm_hour +
+               24*(tm_utc.tm_yday +
+               365*tm_utc.tm_year)));
+
+    r->utc_diff = time_utc - time_local;
+}
+
+
+static void
+nmea_reader_init( NmeaReader*  r )
+{
+    memset( r, 0, sizeof(*r) );
+
+    r->pos      = 0;
+    r->overflow = 0;
+    r->utc_year = -1;
+    r->utc_mon  = -1;
+    r->utc_day  = -1;
+    r->callback = NULL;
+
+    nmea_reader_update_utc_diff( r );
+}
+
+
+static void
+nmea_reader_set_callback( NmeaReader*  r, gps_location_callback  cb )
+{
+    r->callback = cb;
+    if (cb != NULL && r->fix.flags != 0) {
+        D("%s: sending latest fix to new callback", __FUNCTION__);
+        r->callback( &r->fix );
+        r->fix.flags = 0;
+    }
+}
+
+
+static int
+nmea_reader_update_time( NmeaReader*  r, Token  tok )
+{
+    int        hour, minute;
+    double     seconds;
+    struct tm  tm;
+    time_t     fix_time;
+
+    if (tok.p + 6 > tok.end)
+        return -1;
+
+    if (r->utc_year < 0) {
+        // no date yet, get current one
+        time_t  now = time(NULL);
+        gmtime_r( &now, &tm );
+        r->utc_year = tm.tm_year + 1900;
+        r->utc_mon  = tm.tm_mon + 1;
+        r->utc_day  = tm.tm_mday;
+    }
+
+    hour    = str2int(tok.p,   tok.p+2);
+    minute  = str2int(tok.p+2, tok.p+4);
+    seconds = str2float(tok.p+4, tok.end);
+
+    tm.tm_hour = hour;
+    tm.tm_min  = minute;
+    tm.tm_sec  = (int) seconds;
+    tm.tm_year = r->utc_year - 1900;
+    tm.tm_mon  = r->utc_mon - 1;
+    tm.tm_mday = r->utc_day;
+
+    fix_time = mktime( &tm ) + r->utc_diff;
+    r->fix.timestamp = (long long)fix_time * 1000;
+    return 0;
+}
+
+static int
+nmea_reader_update_date( NmeaReader*  r, Token  date, Token  time )
+{
+    Token  tok = date;
+    int    day, mon, year;
+
+    if (tok.p + 6 != tok.end) {
+        D("date not properly formatted: '%.*s'", tok.end-tok.p, tok.p);
+        return -1;
+    }
+    day  = str2int(tok.p, tok.p+2);
+    mon  = str2int(tok.p+2, tok.p+4);
+    year = str2int(tok.p+4, tok.p+6) + 2000;
+
+    if ((day|mon|year) < 0) {
+        D("date not properly formatted: '%.*s'", tok.end-tok.p, tok.p);
+        return -1;
+    }
+
+    r->utc_year  = year;
+    r->utc_mon   = mon;
+    r->utc_day   = day;
+
+    return nmea_reader_update_time( r, time );
+}
+
+
+static double
+convert_from_hhmm( Token  tok )
+{
+    double  val     = str2float(tok.p, tok.end);
+    int     degrees = (int)(floor(val) / 100);
+    double  minutes = val - degrees*100.;
+    double  dcoord  = degrees + minutes / 60.0;
+    return dcoord;
+}
+
+
+static int
+nmea_reader_update_latlong( NmeaReader*  r,
+                            Token        latitude,
+                            char         latitudeHemi,
+                            Token        longitude,
+                            char         longitudeHemi )
+{
+    double   lat, lon;
+    Token    tok;
+
+    tok = latitude;
+    if (tok.p + 6 > tok.end) {
+        D("latitude is too short: '%.*s'", tok.end-tok.p, tok.p);
+        return -1;
+    }
+    lat = convert_from_hhmm(tok);
+    if (latitudeHemi == 'S')
+        lat = -lat;
+
+    tok = longitude;
+    if (tok.p + 6 > tok.end) {
+        D("longitude is too short: '%.*s'", tok.end-tok.p, tok.p);
+        return -1;
+    }
+    lon = convert_from_hhmm(tok);
+    if (longitudeHemi == 'W')
+        lon = -lon;
+
+    r->fix.flags    |= GPS_LOCATION_HAS_LAT_LONG;
+    r->fix.latitude  = lat;
+    r->fix.longitude = lon;
+    return 0;
+}
+
+
+static int
+nmea_reader_update_altitude( NmeaReader*  r,
+                             Token        altitude,
+                             Token        units )
+{
+    double  alt;
+    Token   tok = altitude;
+
+    if (tok.p >= tok.end)
+        return -1;
+
+    r->fix.flags   |= GPS_LOCATION_HAS_ALTITUDE;
+    r->fix.altitude = str2float(tok.p, tok.end);
+    return 0;
+}
+
+
+static int
+nmea_reader_update_bearing( NmeaReader*  r,
+                            Token        bearing )
+{
+    double  alt;
+    Token   tok = bearing;
+
+    if (tok.p >= tok.end)
+        return -1;
+
+    r->fix.flags   |= GPS_LOCATION_HAS_BEARING;
+    r->fix.bearing  = str2float(tok.p, tok.end);
+    return 0;
+}
+
+
+static int
+nmea_reader_update_speed( NmeaReader*  r,
+                          Token        speed )
+{
+    double  alt;
+    Token   tok = speed;
+
+    if (tok.p >= tok.end)
+        return -1;
+
+    r->fix.flags   |= GPS_LOCATION_HAS_SPEED;
+    r->fix.speed    = str2float(tok.p, tok.end);
+    return 0;
+}
+
+
+static void
+nmea_reader_parse( NmeaReader*  r )
+{
+   /* we received a complete sentence, now parse it to generate
+    * a new GPS fix...
+    */
+    NmeaTokenizer  tzer[1];
+    Token          tok;
+
+    D("Received: '%.*s'", r->pos, r->in);
+    if (r->pos < 9) {
+        D("Too short. discarded.");
+        return;
+    }
+
+    nmea_tokenizer_init(tzer, r->in, r->in + r->pos);
+#if GPS_DEBUG
+    {
+        int  n;
+        D("Found %d tokens", tzer->count);
+        for (n = 0; n < tzer->count; n++) {
+            Token  tok = nmea_tokenizer_get(tzer,n);
+            D("%2d: '%.*s'", n, tok.end-tok.p, tok.p);
+        }
+    }
+#endif
+
+    tok = nmea_tokenizer_get(tzer, 0);
+    if (tok.p + 5 > tok.end) {
+        D("sentence id '%.*s' too short, ignored.", tok.end-tok.p, tok.p);
+        return;
+    }
+
+    // ignore first two characters.
+    tok.p += 2;
+    if ( !memcmp(tok.p, "GGA", 3) ) {
+        // GPS fix
+        Token  tok_time          = nmea_tokenizer_get(tzer,1);
+        Token  tok_latitude      = nmea_tokenizer_get(tzer,2);
+        Token  tok_latitudeHemi  = nmea_tokenizer_get(tzer,3);
+        Token  tok_longitude     = nmea_tokenizer_get(tzer,4);
+        Token  tok_longitudeHemi = nmea_tokenizer_get(tzer,5);
+        Token  tok_altitude      = nmea_tokenizer_get(tzer,9);
+        Token  tok_altitudeUnits = nmea_tokenizer_get(tzer,10);
+
+        nmea_reader_update_time(r, tok_time);
+        nmea_reader_update_latlong(r, tok_latitude,
+                                      tok_latitudeHemi.p[0],
+                                      tok_longitude,
+                                      tok_longitudeHemi.p[0]);
+        nmea_reader_update_altitude(r, tok_altitude, tok_altitudeUnits);
+
+    } else if ( !memcmp(tok.p, "GSA", 3) ) {
+        // do something ?
+    } else if ( !memcmp(tok.p, "RMC", 3) ) {
+        Token  tok_time          = nmea_tokenizer_get(tzer,1);
+        Token  tok_fixStatus     = nmea_tokenizer_get(tzer,2);
+        Token  tok_latitude      = nmea_tokenizer_get(tzer,3);
+        Token  tok_latitudeHemi  = nmea_tokenizer_get(tzer,4);
+        Token  tok_longitude     = nmea_tokenizer_get(tzer,5);
+        Token  tok_longitudeHemi = nmea_tokenizer_get(tzer,6);
+        Token  tok_speed         = nmea_tokenizer_get(tzer,7);
+        Token  tok_bearing       = nmea_tokenizer_get(tzer,8);
+        Token  tok_date          = nmea_tokenizer_get(tzer,9);
+
+        D("in RMC, fixStatus=%c", tok_fixStatus.p[0]);
+        if (tok_fixStatus.p[0] == 'A')
+        {
+            nmea_reader_update_date( r, tok_date, tok_time );
+
+            nmea_reader_update_latlong( r, tok_latitude,
+                                           tok_latitudeHemi.p[0],
+                                           tok_longitude,
+                                           tok_longitudeHemi.p[0] );
+
+            nmea_reader_update_bearing( r, tok_bearing );
+            nmea_reader_update_speed  ( r, tok_speed );
+        }
+    } else {
+        tok.p -= 2;
+        D("unknown sentence '%.*s", tok.end-tok.p, tok.p);
+    }
+    if (r->fix.flags != 0) {
+#if GPS_DEBUG
+        char   temp[256];
+        char*  p   = temp;
+        char*  end = p + sizeof(temp);
+        struct tm   utc;
+
+        p += snprintf( p, end-p, "sending fix" );
+        if (r->fix.flags & GPS_LOCATION_HAS_LAT_LONG) {
+            p += snprintf(p, end-p, " lat=%g lon=%g", r->fix.latitude, r->fix.longitude);
+        }
+        if (r->fix.flags & GPS_LOCATION_HAS_ALTITUDE) {
+            p += snprintf(p, end-p, " altitude=%g", r->fix.altitude);
+        }
+        if (r->fix.flags & GPS_LOCATION_HAS_SPEED) {
+            p += snprintf(p, end-p, " speed=%g", r->fix.speed);
+        }
+        if (r->fix.flags & GPS_LOCATION_HAS_BEARING) {
+            p += snprintf(p, end-p, " bearing=%g", r->fix.bearing);
+        }
+        if (r->fix.flags & GPS_LOCATION_HAS_ACCURACY) {
+            p += snprintf(p,end-p, " accuracy=%g", r->fix.accuracy);
+        }
+        gmtime_r( (time_t*) &r->fix.timestamp, &utc );
+        p += snprintf(p, end-p, " time=%s", asctime( &utc ) );
+        D(temp);
+#endif
+        if (r->callback) {
+            r->callback( &r->fix );
+            r->fix.flags = 0;
+        }
+        else {
+            D("no callback, keeping data until needed !");
+        }
+    }
+}
+
+
+static void
+nmea_reader_addc( NmeaReader*  r, int  c )
+{
+    if (r->overflow) {
+        r->overflow = (c != '\n');
+        return;
+    }
+
+    if (r->pos >= (int) sizeof(r->in)-1 ) {
+        r->overflow = 1;
+        r->pos      = 0;
+        return;
+    }
+
+    r->in[r->pos] = (char)c;
+    r->pos       += 1;
+
+    if (c == '\n') {
+        nmea_reader_parse( r );
+        r->pos = 0;
+    }
+}
+
+
+/*****************************************************************/
+/*****************************************************************/
+/*****                                                       *****/
+/*****       C O N N E C T I O N   S T A T E                 *****/
+/*****                                                       *****/
+/*****************************************************************/
+/*****************************************************************/
+
+/* commands sent to the gps thread */
+enum {
+    CMD_QUIT  = 0,
+    CMD_START = 1,
+    CMD_STOP  = 2
+};
+
+
+/* this is the state of our connection to the qemu_gpsd daemon */
+typedef struct {
+    int                     init;
+    int                     fd;
+    GpsCallbacks            callbacks;
+    pthread_t               thread;
+    int                     control[2];
+
+} GpsState;
+
+static GpsState  _gps_state[1];
+
+
+static void
+gps_state_done( GpsState*  s )
+{
+    // tell the thread to quit, and wait for it
+    char   cmd = CMD_QUIT;
+    void*  dummy;
+    write( s->control[0], &cmd, 1 );
+    pthread_join(s->thread, &dummy);
+
+    // close the control socket pair
+    close( s->control[0] ); s->control[0] = -1;
+    close( s->control[1] ); s->control[1] = -1;
+
+    // close connection to the QEMU GPS daemon
+    close( s->fd ); s->fd = -1;
+    s->init = 0;
+}
+
+
+static void
+gps_state_start( GpsState*  s )
+{
+    char  cmd = CMD_START;
+    int   ret;
+
+    do { ret=write( s->control[0], &cmd, 1 ); }
+    while (ret < 0 && errno == EINTR);
+
+    if (ret != 1)
+        D("%s: could not send CMD_START command: ret=%d: %s",
+          __FUNCTION__, ret, strerror(errno));
+}
+
+
+static void
+gps_state_stop( GpsState*  s )
+{
+    char  cmd = CMD_STOP;
+    int   ret;
+
+    do { ret=write( s->control[0], &cmd, 1 ); }
+    while (ret < 0 && errno == EINTR);
+
+    if (ret != 1)
+        D("%s: could not send CMD_STOP command: ret=%d: %s",
+          __FUNCTION__, ret, strerror(errno));
+}
+
+
+static int
+epoll_register( int  epoll_fd, int  fd )
+{
+    struct epoll_event  ev;
+    int                 ret, flags;
+
+    /* important: make the fd non-blocking */
+    flags = fcntl(fd, F_GETFL);
+    fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+
+    ev.events  = EPOLLIN;
+    ev.data.fd = fd;
+    do {
+        ret = epoll_ctl( epoll_fd, EPOLL_CTL_ADD, fd, &ev );
+    } while (ret < 0 && errno == EINTR);
+    return ret;
+}
+
+
+static int
+epoll_deregister( int  epoll_fd, int  fd )
+{
+    int  ret;
+    do {
+        ret = epoll_ctl( epoll_fd, EPOLL_CTL_DEL, fd, NULL );
+    } while (ret < 0 && errno == EINTR);
+    return ret;
+}
+
+/* this is the main thread, it waits for commands from gps_state_start/stop and,
+ * when started, messages from the QEMU GPS daemon. these are simple NMEA sentences
+ * that must be parsed to be converted into GPS fixes sent to the framework
+ */
+static void*
+gps_state_thread( void*  arg )
+{
+    GpsState*   state = (GpsState*) arg;
+    NmeaReader  reader[1];
+    int         epoll_fd   = epoll_create(2);
+    int         started    = 0;
+    int         gps_fd     = state->fd;
+    int         control_fd = state->control[1];
+
+    nmea_reader_init( reader );
+
+    // register control file descriptors for polling
+    epoll_register( epoll_fd, control_fd );
+    epoll_register( epoll_fd, gps_fd );
+
+    D("gps thread running");
+
+    // now loop
+    for (;;) {
+        struct epoll_event   events[2];
+        int                  ne, nevents;
+
+        nevents = epoll_wait( epoll_fd, events, 2, -1 );
+        if (nevents < 0) {
+            if (errno != EINTR)
+                LOGE("epoll_wait() unexpected error: %s", strerror(errno));
+            continue;
+        }
+        D("gps thread received %d events", nevents);
+        for (ne = 0; ne < nevents; ne++) {
+            if ((events[ne].events & (EPOLLERR|EPOLLHUP)) != 0) {
+                LOGE("EPOLLERR or EPOLLHUP after epoll_wait() !?");
+                goto Exit;
+            }
+            if ((events[ne].events & EPOLLIN) != 0) {
+                int  fd = events[ne].data.fd;
+
+                if (fd == control_fd)
+                {
+                    char  cmd = 255;
+                    int   ret;
+                    D("gps control fd event");
+                    do {
+                        ret = read( fd, &cmd, 1 );
+                    } while (ret < 0 && errno == EINTR);
+
+                    if (cmd == CMD_QUIT) {
+                        D("gps thread quitting on demand");
+                        goto Exit;
+                    }
+                    else if (cmd == CMD_START) {
+                        if (!started) {
+                            D("gps thread starting  location_cb=%p", state->callbacks.location_cb);
+                            started = 1;
+                            nmea_reader_set_callback( reader, state->callbacks.location_cb );
+                        }
+                    }
+                    else if (cmd == CMD_STOP) {
+                        if (started) {
+                            D("gps thread stopping");
+                            started = 0;
+                            nmea_reader_set_callback( reader, NULL );
+                        }
+                    }
+                }
+                else if (fd == gps_fd)
+                {
+                    char  buff[32];
+                    D("gps fd event");
+                    for (;;) {
+                        int  nn, ret;
+
+                        ret = read( fd, buff, sizeof(buff) );
+                        if (ret < 0) {
+                            if (errno == EINTR)
+                                continue;
+                            if (errno != EWOULDBLOCK)
+                                LOGE("error while reading from gps daemon socket: %s:", strerror(errno));
+                            break;
+                        }
+                        D("received %d bytes: %.*s", ret, ret, buff);
+                        for (nn = 0; nn < ret; nn++)
+                            nmea_reader_addc( reader, buff[nn] );
+                    }
+                    D("gps fd event end");
+                }
+                else
+                {
+                    LOGE("epoll_wait() returned unkown fd %d ?", fd);
+                }
+            }
+        }
+    }
+Exit:
+    return NULL;
+}
+
+
+static void
+gps_state_init( GpsState*  state )
+{
+    char   prop[PROPERTY_VALUE_MAX];
+    char   device[256];
+    int    ret;
+    int    done = 0;
+
+    state->init       = 1;
+    state->control[0] = -1;
+    state->control[1] = -1;
+    state->fd         = -1;
+
+    // try to connect to the qemud socket
+    do {
+        state->fd = socket_local_client( QEMUD_SOCKET_NAME,
+                                         ANDROID_SOCKET_NAMESPACE_RESERVED,
+                                         SOCK_STREAM );
+        if (state->fd < 0) {
+            D("no '%s' control socket available: %s", QEMUD_SOCKET_NAME, strerror(errno));
+            break;
+        }
+        snprintf( device, sizeof(device), "/dev/socket/%s", QEMUD_SOCKET_NAME );
+        done = 1;
+
+    } while (0);
+
+    // otherwise, look for a kernel-provided device name
+    if (!done) do {
+        if (property_get("ro.kernel.android.gps",prop,"") == 0) {
+            D("no kernel-provided gps device name");
+            break;
+        }
+        if ( snprintf(device, sizeof(device), "/dev/%s", prop) >= (int)sizeof(device) ) {
+            LOGE("gps serial device name too long: '%s'", prop);
+            break;
+        }
+
+        do {
+            state->fd = open( device, O_RDWR );
+        } while (state->fd < 0 && errno == EINTR);
+
+        if (state->fd < 0) {
+            LOGE("could not open gps serial device %s: %s", device, strerror(errno) );
+            break;
+        }
+        done = 1;
+
+    } while (0);
+
+    if (!done) {
+        D("no gps emulation detected");
+        return;
+    }
+
+    D("gps emulation will read from %s", device);
+
+    // disable echo on serial lines
+    if ( !memcmp( device, "/dev/ttyS", 9 ) ) {
+        struct termios  ios;
+        tcgetattr( state->fd, &ios );
+        ios.c_lflag = 0;  /* disable ECHO, ICANON, etc... */
+        tcsetattr( state->fd, TCSANOW, &ios );
+    }
+
+    if ( socketpair( AF_LOCAL, SOCK_STREAM, 0, state->control ) < 0 ) {
+        LOGE("could not create thread control socket pair: %s", strerror(errno));
+        goto Fail;
+    }
+
+    if ( pthread_create( &state->thread, NULL, gps_state_thread, state ) != 0 ) {
+        LOGE("could not create gps thread: %s", strerror(errno));
+        goto Fail;
+    }
+
+    D("gps state initialized");
+    return;
+
+Fail:
+    gps_state_done( state );
+}
+
+
+/*****************************************************************/
+/*****************************************************************/
+/*****                                                       *****/
+/*****       I N T E R F A C E                               *****/
+/*****                                                       *****/
+/*****************************************************************/
+/*****************************************************************/
+
+
+static int
+qemu_gps_init(GpsCallbacks* callbacks)
+{
+    GpsState*  s = _gps_state;
+
+    if (!s->init)
+        gps_state_init(s);
+
+    if (s->fd < 0)
+        return -1;
+
+    s->callbacks = *callbacks;
+
+    return 0;
+}
+
+static void
+qemu_gps_cleanup(void)
+{
+    GpsState*  s = _gps_state;
+
+    if (s->init)
+        gps_state_done(s);
+}
+
+
+static int
+qemu_gps_start()
+{
+    GpsState*  s = _gps_state;
+
+    if (!s->init) {
+        D("%s: called with uninitialized state !!", __FUNCTION__);
+        return -1;
+    }
+
+    D("%s: called", __FUNCTION__);
+    gps_state_start(s);
+    return 0;
+}
+
+
+static int
+qemu_gps_stop()
+{
+    GpsState*  s = _gps_state;
+
+    if (!s->init) {
+        D("%s: called with uninitialized state !!", __FUNCTION__);
+        return -1;
+    }
+
+    D("%s: called", __FUNCTION__);
+    gps_state_stop(s);
+    return 0;
+}
+
+
+static void
+qemu_gps_set_fix_frequency()
+{
+    GpsState*  s = _gps_state;
+
+    if (!s->init) {
+        D("%s: called with uninitialized state !!", __FUNCTION__);
+        return -1;
+    }
+
+    D("%s: called", __FUNCTION__);
+    // FIXME - support fix_frequency
+}
+
+static int
+qemu_gps_inject_time(GpsUtcTime time, int64_t timeReference, int uncertainty)
+{
+    return 0;
+}
+
+static void
+qemu_gps_delete_aiding_data(GpsAidingData flags)
+{
+}
+
+static int qemu_gps_set_position_mode(GpsPositionMode mode, int fix_frequency)
+{
+    // FIXME - support fix_frequency
+    // only standalone supported for now.
+    if (mode != GPS_POSITION_MODE_STANDALONE)
+        return -1;
+    return 0;
+}
+
+static const void*
+qemu_gps_get_extension(const char* name)
+{
+    return NULL;
+}
+
+static const GpsInterface  qemuGpsInterface = {
+    qemu_gps_init,
+    qemu_gps_start,
+    qemu_gps_stop,
+    qemu_gps_set_fix_frequency,
+    qemu_gps_cleanup,
+    qemu_gps_inject_time,
+    qemu_gps_delete_aiding_data,
+    qemu_gps_set_position_mode,
+    qemu_gps_get_extension,
+};
+
+const GpsInterface* gps_get_qemu_interface()
+{
+    return &qemuGpsInterface;
+}
+
diff --git a/include/hardware/AudioHardwareInterface.h b/include/hardware/AudioHardwareInterface.h
new file mode 100644
index 0000000..febc86a
--- /dev/null
+++ b/include/hardware/AudioHardwareInterface.h
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_AUDIO_HARDWARE_INTERFACE_H
+#define ANDROID_AUDIO_HARDWARE_INTERFACE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/String16.h>
+
+#include <media/IAudioFlinger.h>
+#include "media/AudioSystem.h"
+
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+/**
+ * This is the abstraction interface for the audio output hardware. It provides 
+ * information about various properties of the audio output hardware driver.
+ */
+class AudioStreamOut {
+public:
+    virtual             ~AudioStreamOut() = 0;
+    
+    /** return audio sampling rate in hz - eg. 44100 */
+    virtual uint32_t    sampleRate() const = 0;
+    
+    /** returns size of output buffer - eg. 4800 */
+    virtual size_t      bufferSize() const = 0;
+    
+    /** 
+     * return number of output audio channels. 
+     * Acceptable values are 1 (mono) or 2 (stereo) 
+     */
+    virtual int         channelCount() const = 0;
+    
+    /**
+     * return audio format in 8bit or 16bit PCM format - 
+     * eg. AudioSystem:PCM_16_BIT 
+     */
+    virtual int         format() const = 0;
+    
+    /** 
+     * This method can be used in situations where audio mixing is done in the
+     * hardware. It is a direct interface to the hardware to set the volume as
+     * as opposed to controlling this via the framework. It could be multiple 
+     * PCM outputs or hardware accelerated codecs such as MP3 or AAC
+     */
+    virtual status_t    setVolume(float volume) = 0;
+    
+    /** write audio buffer to driver. Returns number of bytes written */
+    virtual ssize_t     write(const void* buffer, size_t bytes) = 0;
+
+    /** dump the state of the audio output device */
+    virtual status_t dump(int fd, const Vector<String16>& args) = 0; 
+};
+
+/**
+ * This is the abstraction interface for the audio input hardware. It defines 
+ * the various properties of the audio hardware input driver.  
+ */
+class AudioStreamIn {
+public:
+    virtual             ~AudioStreamIn() = 0;
+    
+    /** return the input buffer size allowed by audio driver */
+    virtual size_t      bufferSize() const = 0;
+
+    /** return the number of audio input channels */
+    virtual int         channelCount() const = 0;
+    
+    /** 
+     * return audio format in 8bit or 16bit PCM format - 
+     * eg. AudioSystem:PCM_16_BIT 
+     */
+    virtual int         format() const = 0;
+
+    /** set the input gain for the audio driver. This method is for
+     *  for future use */
+    virtual status_t    setGain(float gain) = 0;
+    
+    /** read audio buffer in from audio driver */
+    virtual ssize_t     read(void* buffer, ssize_t bytes) = 0;
+
+    /** dump the state of the audio input device */
+    virtual status_t dump(int fd, const Vector<String16>& args) = 0;
+};
+
+/** 
+ * This defines the interface to the audio hardware abstraction layer. It 
+ * supports setting and getting parameters, selecting audio routing paths and 
+ * defining input and output streams.
+ * 
+ * AudioFlinger initializes the audio hardware and immediately opens an output 
+ * stream. Audio routing can be set to output to handset, speaker, bluetooth or 
+ * headset. 
+ *
+ * The audio input stream is initialized when AudioFlinger is called to carry 
+ * out a record operation. 
+ */
+class AudioHardwareInterface
+{
+public:
+                        AudioHardwareInterface();
+    virtual             ~AudioHardwareInterface() { }
+
+    /** 
+     * check to see if the audio hardware interface has been initialized. 
+     * return status based on values defined in include/utils/Errors.h 
+     */
+    virtual status_t    initCheck() = 0;
+
+    /** 
+     * put the audio hardware into standby mode to conserve power. Returns 
+     * status based on include/utils/Errors.h 
+     */
+    virtual status_t    standby() = 0;
+
+    /** set the audio volume of a voice call. Range is between 0.0 and 1.0 */
+    virtual status_t    setVoiceVolume(float volume) = 0;
+    
+    /** 
+     * set the audio volume for all audio activities other than voice call. 
+     * Range between 0.0 and 1.0. IF any value other than NO_ERROR is returned,
+     * the software mixer will emulate this capability.
+     */
+    virtual status_t    setMasterVolume(float volume) = 0;
+
+    /**  
+     * Audio routing methods. Routes defined in include/hardware/AudioSystem.h. 
+     * Audio routes can be (ROUTE_EARPIECE | ROUTE_SPEAKER | ROUTE_BLUETOOTH 
+     *                    | ROUTE_HEADSET)
+     * 
+     * setRouting sets the routes for a mode. This is called at startup. It is
+     * also called when a new device is connected, such as a wired headset is 
+     * plugged in or a Bluetooth headset is paired
+     */
+    virtual status_t    setRouting(int mode, uint32_t routes);
+    
+    virtual status_t    getRouting(int mode, uint32_t* routes);
+    
+    /**
+     * setMode is called when the audio mode changes. NORMAL mode is for
+     * standard audio playback, RINGTONE when a ringtone is playing and IN_CALL
+     * when a call is in progress.
+     */
+    virtual status_t    setMode(int mode);
+    virtual status_t    getMode(int* mode);
+
+    // mic mute
+    virtual status_t    setMicMute(bool state) = 0;
+    virtual status_t    getMicMute(bool* state) = 0;
+
+    // Temporary interface, do not use
+    // TODO: Replace with a more generic key:value get/set mechanism
+    virtual status_t    setParameter(const char* key, const char* value);
+
+    /** This method creates and opens the audio hardware output stream */
+    virtual AudioStreamOut* openOutputStream(
+                                int format=0,
+                                int channelCount=0,
+                                uint32_t sampleRate=0) = 0;
+
+    /** This method creates and opens the audio hardware input stream */
+    virtual AudioStreamIn* openInputStream(
+                                int format,
+                                int channelCount,
+                                uint32_t sampleRate) = 0;
+    
+    /**This method dumps the state of the audio hardware */
+    virtual status_t dumpState(int fd, const Vector<String16>& args);
+
+    static AudioHardwareInterface* create();
+
+protected:
+    /**
+     * doRouting actually initiates the routing to occur. A call to setRouting 
+     * or setMode may result in a routing change. The generic logic will call 
+     * doRouting when required. If the device has any special requirements these
+     * methods can be overriden.
+     */
+    virtual status_t    doRouting() = 0;
+    
+    virtual status_t dump(int fd, const Vector<String16>& args) = 0;
+
+    int             mMode;
+    uint32_t        mRoutes[AudioSystem::NUM_MODES];
+};
+
+// ----------------------------------------------------------------------------
+
+extern "C" AudioHardwareInterface* createAudioHardware(void);
+
+}; // namespace android
+
+#endif // ANDROID_AUDIO_HARDWARE_INTERFACE_H
diff --git a/include/hardware/IMountService.h b/include/hardware/IMountService.h
new file mode 100644
index 0000000..6737dcf
--- /dev/null
+++ b/include/hardware/IMountService.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+#ifndef ANDROID_HARDWARE_IMOUNTSERVICE_H
+#define ANDROID_HARDWARE_IMOUNTSERVICE_H
+
+#include <utils/IInterface.h>
+#include <utils/String16.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class IMountService : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(MountService);
+
+    /**
+     * Is mass storage support enabled?
+     */
+    virtual bool getMassStorageEnabled() = 0;
+
+    /**
+     * Enable or disable mass storage support.
+     */
+    virtual void setMassStorageEnabled(bool enabled) = 0;
+
+    /**
+     * Is mass storage connected?
+     */
+    virtual bool getMassStorageConnected() = 0;
+    
+    /**
+     * Mount external storage at given mount point.
+     */
+    virtual void mountMedia(String16 mountPoint) = 0;
+
+    /**
+     * Safely unmount external storage at given mount point.
+     */
+    virtual void unmountMedia(String16 mountPoint) = 0;
+};
+
+// ----------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_HARDWARE_IMOUNTSERVICE_H
diff --git a/include/hardware/flashlight.h b/include/hardware/flashlight.h
new file mode 100644
index 0000000..d372307
--- /dev/null
+++ b/include/hardware/flashlight.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_FLASHLIGHT_H

+#define _HARDWARE_FLASHLIGHT_H

+

+#if __cplusplus

+extern "C" {

+#endif

+

+int get_flashlight_enabled();

+int set_flashlight_enabled(int on);

+int enable_camera_flash(int milliseconds);

+

+#if __cplusplus

+} // extern "C"

+#endif

+

+#endif // _HARDWARE_FLASHLIGHT_H

diff --git a/include/hardware/gps.h b/include/hardware/gps.h
new file mode 100644
index 0000000..54b50a5
--- /dev/null
+++ b/include/hardware/gps.h
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_GPS_H
+#define _HARDWARE_GPS_H
+
+#include <stdint.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/** milliseconds since January 1, 1970 */
+typedef int64_t GpsUtcTime;
+
+/** maximum number of Space Vehicles for gps_sv_status_callback */
+#define GPS_MAX_SVS 32
+
+
+typedef uint16_t GpsPositionMode;
+#define GPS_POSITION_MODE_STANDALONE    0
+#define GPS_POSITION_MODE_MS_BASED      1
+#define GPS_POSITION_MODE_MS_ASSISTED   2
+
+typedef uint16_t GpsStatusValue;
+// IMPORTANT - these symbols here must match constants in GpsLocationProvider.java
+#define GPS_STATUS_NONE             0
+#define GPS_STATUS_SESSION_BEGIN    1
+#define GPS_STATUS_SESSION_END      2
+#define GPS_STATUS_ENGINE_ON        3
+#define GPS_STATUS_ENGINE_OFF       4
+
+typedef uint16_t GpsLocationFlags;
+// IMPORTANT - these symbols here must match constants in GpsLocationProvider.java
+#define GPS_LOCATION_HAS_LAT_LONG   0x0001
+#define GPS_LOCATION_HAS_ALTITUDE   0x0002
+#define GPS_LOCATION_HAS_SPEED      0x0004
+#define GPS_LOCATION_HAS_BEARING    0x0008
+#define GPS_LOCATION_HAS_ACCURACY   0x0010
+
+typedef uint16_t GpsAidingData;
+// IMPORTANT - these symbols here must match constants in GpsLocationProvider.java
+#define GPS_DELETE_EPHEMERIS        0x0001
+#define GPS_DELETE_ALMANAC          0x0002
+#define GPS_DELETE_POSITION         0x0004
+#define GPS_DELETE_TIME             0x0008
+#define GPS_DELETE_IONO             0x0010
+#define GPS_DELETE_UTC              0x0020
+#define GPS_DELETE_HEALTH           0x0040
+#define GPS_DELETE_SVDIR            0x0080
+#define GPS_DELETE_SVSTEER          0x0100
+#define GPS_DELETE_SADATA           0x0200
+#define GPS_DELETE_RTI              0x0400
+#define GPS_DELETE_CELLDB_INFO      0x8000
+#define GPS_DELETE_ALL              0xFFFF
+
+/**
+ * names for GPS XTRA interface
+ */
+#define GPS_XTRA_INTERFACE      "gps-xtra"
+
+/**
+ * names for GPS supplemental interface
+ * TODO: Remove not used.
+ */
+#define GPS_SUPL_INTERFACE      "gps-supl"
+
+/** The location */
+typedef struct {
+    /** contains GpsLocationFlags bits */
+    uint16_t        flags;
+    double          latitude;
+    double          longitude;
+    double          altitude;
+    float           speed;
+    float           bearing;
+    float           accuracy;
+    GpsUtcTime      timestamp;
+} GpsLocation;
+
+/** The status */
+typedef struct {
+    GpsStatusValue status;
+} GpsStatus;
+
+/** Space Vehicle info */
+typedef struct {
+    int     prn;
+    float   snr;
+    float   elevation;
+    float   azimuth;
+} GpsSvInfo;
+
+/** Space Vehicle status */
+typedef struct {
+        /** number of SVs currently visible */
+        int         num_svs;
+
+        /** Array of space vehicle info */
+        GpsSvInfo   sv_list[GPS_MAX_SVS];
+
+        /** bit mask indicating which SVs have ephemeris data */
+        uint32_t    ephemeris_mask;
+
+        /** bit mask indicating which SVs have almanac data */
+        uint32_t    almanac_mask;
+
+        /**
+         * bit mask indicating which SVs were used for
+         * computing the most recent position fix
+         */
+        uint32_t    used_in_fix_mask;
+} GpsSvStatus;
+
+/** Callback with location information */
+typedef void (* gps_location_callback)(GpsLocation* location);
+
+/** Callback with the status information */
+typedef void (* gps_status_callback)(GpsStatus* status);
+
+/** Callback with the space vehicle status information */
+typedef void (* gps_sv_status_callback)(GpsSvStatus* sv_info);
+
+/** GPS call back structure */
+typedef struct {
+        gps_location_callback location_cb;
+        gps_status_callback status_cb;
+        gps_sv_status_callback sv_status_cb;
+} GpsCallbacks;
+
+
+/** Standard GPS interface */
+typedef struct {
+    /**
+     * Open the interface and provide the callback routines
+     * to the implemenation of this interface.
+     */
+    int   (*init)( GpsCallbacks* callbacks );
+
+    /** Start navigating */
+    int   (*start)( void );
+
+    /** Stop navigating */
+    int   (*stop)( void );
+
+    /** Set requested frequency of fixes in seconds */
+    void  (*set_fix_frequency)( int frequency );
+
+    /** Close the interface */
+    void  (*cleanup)( void );
+
+    /** Inject the current time */
+    int   (*inject_time)(GpsUtcTime time, int64_t timeReference,
+                         int uncertainty);
+
+    /**
+     * The next call to start will not use the information
+     * defined in the flags. GPS_DELETE_ALL  is passed for
+     * a cold start.
+     */
+    void  (*delete_aiding_data)(GpsAidingData flags);
+
+    /**
+     * fix_frequency is time between fixes in seconds.
+     * set fix_frequency to zero for a single shot fix.
+     */
+    int   (*set_position_mode)(GpsPositionMode mode, int fix_frequency);
+
+    /** Get a pointer to extension information. */
+    const void* (*get_extension)(const char* name);
+} GpsInterface;
+
+/** The download request callback routine. */
+typedef void (* gps_xtra_download_request)();
+
+/** The download request callback structure. */
+typedef struct {
+        gps_xtra_download_request download_request_cb;
+} GpsXtraCallbacks;
+
+/** Extended interface for XTRA support. */
+typedef struct {
+    int  (*init)( GpsXtraCallbacks* callbacks );
+    int  (*inject_xtra_data)( char* data, int length );
+} GpsXtraInterface;
+
+/** returns the hardware GPS interface. */
+const GpsInterface* gps_get_hardware_interface();
+
+/**
+ * returns the qemu hardware interface GPS interface.
+ */
+const GpsInterface* gps_get_qemu_interface();
+
+/**
+ * returns the default GPS interface,
+ * implemented in lib/hardware/gps.cpp.
+ */
+const GpsInterface* gps_get_interface();
+
+#if __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // _HARDWARE_GPS_H
diff --git a/include/hardware/led.h b/include/hardware/led.h
new file mode 100644
index 0000000..d7b2363
--- /dev/null
+++ b/include/hardware/led.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_LED_H
+#define _HARDWARE_LED_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Change the state of the led
+ *
+ * To turn on the led; Alpha != 0 and RBG != 0, onMS == 0 && offMS == 0.
+ * To blink the led; Alpha != 0 and RBG != 0, onMS != 0 && offMS != 0.
+ * To turn off the led; Alpha == 0 or RGB == 0.
+ *
+ * @param colorARGB the is color, Alpha=31:24, Red=23:16 Green=15:8 Blue=7:0
+ * @param onMS is the time on in milli-seconds
+ * @param offMS is the time off in milli-seconds
+ *
+ * @return 0 if successful
+ */
+int set_led_state(unsigned colorARGB, int onMS, int offMS);
+
+#if __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // _HARDWARE_LED_H
diff --git a/include/hardware/power.h b/include/hardware/power.h
new file mode 100644
index 0000000..993bca5
--- /dev/null
+++ b/include/hardware/power.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_POWER_H
+#define _HARDWARE_POWER_H
+
+#include <stdint.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+enum {
+    PARTIAL_WAKE_LOCK = 1,  // the cpu stays on, but the screen is off
+    FULL_WAKE_LOCK = 2      // the screen is also on
+};
+
+// while you have a lock held, the device will stay on at least at the
+// level you request.
+int acquire_wake_lock(int lock, const char* id);
+int release_wake_lock(const char* id);
+
+
+enum {
+    KEYBOARD_LIGHT  = 0x00000001,
+    SCREEN_LIGHT    = 0x00000002,
+    BUTTON_LIGHT    = 0x00000004,
+};
+
+// set the lights identified in mask to the brightness specified
+// in value.  for example
+//   set_light_brightness(SCREEN_LIGHT | KEYBOARD_LIGHT, 200);
+// sets the screen and keyboard lights to brightness 200
+int set_light_brightness(unsigned int mask, unsigned int brightness);
+
+// true if you want the screen on, false if you want it off
+int set_screen_state(int on);
+
+// set how long to stay awake after the last user activity in seconds
+int set_last_user_activity_timeout(int64_t delay);
+
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+#endif // _HARDWARE_POWER_H
diff --git a/include/hardware/qemu_tracing.h b/include/hardware/qemu_tracing.h
new file mode 100644
index 0000000..645a0be
--- /dev/null
+++ b/include/hardware/qemu_tracing.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_QEMU_TRACING_H
+#define _HARDWARE_QEMU_TRACING_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+int qemu_start_tracing();
+int qemu_stop_tracing();
+int qemu_add_mapping(unsigned int addr, const char *name);
+int qemu_remove_mapping(unsigned int addr);
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+#endif // _HARDWARE_QEMU_TRACING_H
diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h
new file mode 100644
index 0000000..19fd72c
--- /dev/null
+++ b/include/hardware/sensors.h
@@ -0,0 +1,243 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_SENSORS_H
+#define _HARDWARE_SENSORS_H
+
+#include <stdint.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Sensor IDs must be a power of two and
+ * must match values in SensorManager.java
+ */
+
+#define SENSORS_ORIENTATION     0x00000001
+#define SENSORS_ACCELERATION    0x00000002
+#define SENSORS_TEMPERATURE     0x00000004
+#define SENSORS_MAGNETIC_FIELD  0x00000008
+#define SENSORS_LIGHT           0x00000010
+#define SENSORS_PROXIMITY       0x00000020
+#define SENSORS_TRICORDER       0x00000040
+#define SENSORS_ORIENTATION_RAW 0x00000080
+#define SENSORS_MASK            0x000000FF
+
+/**
+ * Values returned by the accelerometer in various locations in the universe.
+ * all values are in SI units (m/s^2)
+ */
+
+#define GRAVITY_SUN             (275.0f)
+#define GRAVITY_MERCURY         (3.70f)
+#define GRAVITY_VENUS           (8.87f)
+#define GRAVITY_EARTH           (9.80665f)
+#define GRAVITY_MOON            (1.6f)
+#define GRAVITY_MARS            (3.71f)
+#define GRAVITY_JUPITER         (23.12f)
+#define GRAVITY_SATURN          (8.96f)
+#define GRAVITY_URANUS          (8.69f)
+#define GRAVITY_NEPTUN          (11.0f)
+#define GRAVITY_PLUTO           (0.6f)
+#define GRAVITY_DEATH_STAR_I    (0.000000353036145f)
+#define GRAVITY_THE_ISLAND      (4.815162342f)
+
+/** Maximum magnetic field on Earth's surface */
+#define MAGNETIC_FIELD_EARTH_MAX    (60.0f)
+
+/** Minimum magnetic field on Earth's surface */
+#define MAGNETIC_FIELD_EARTH_MIN    (30.0f)
+
+/**
+ * Various luminance values during the day (lux)
+ */
+
+#define LIGHT_SUNLIGHT_MAX      (120000.0f)
+#define LIGHT_SUNLIGHT          (110000.0f)
+#define LIGHT_SHADE             (20000.0f)
+#define LIGHT_OVERCAST          (10000.0f)
+#define LIGHT_SUNRISE           (400.0f)
+#define LIGHT_CLOUDY            (100.0f)
+
+/*
+ * Various luminance values during the night (lux)
+ */
+
+#define LIGHT_FULLMOON          (0.25f)
+#define LIGHT_NO_MOON           (0.001f)
+
+/**
+ * status of each sensor
+ */
+
+#define SENSOR_STATUS_UNRELIABLE        0
+#define SENSOR_STATUS_ACCURACY_LOW      1
+#define SENSOR_STATUS_ACCURACY_MEDIUM   2
+#define SENSOR_STATUS_ACCURACY_HIGH     3
+
+/**
+ * Definition of the axis
+ *
+ * This API is relative to the screen of the device in its default orientation,
+ * that is, if the device can be used in portrait or landscape, this API
+ * is only relative to the NATURAL orientation of the screen. In other words,
+ * the axis are not swapped when the device's screen orientation changes.
+ * Higher level services /may/ perform this transformation.
+ *
+ *    -x         +x
+ *                ^
+ *                |
+ *    +-----------+-->  +y
+ *    |           |
+ *    |           |
+ *    |           |
+ *    |           |   / -z
+ *    |           |  /
+ *    |           | /
+ *    +-----------+/
+ *    | o   O   o /
+ *    +----------/+     -y
+ *              /
+ *             /
+ *           |/ +z
+ *
+ */
+typedef struct {
+    union {
+        float v[3];
+        struct {
+            float x;
+            float y;
+            float z;
+        };
+        struct {
+            float yaw;
+            float pitch;
+            float roll;
+        };
+    };
+    int8_t status;
+    uint8_t reserved[3];
+} sensors_vec_t;
+
+/**
+ * Union of the various types of sensor data
+ * that can be returned.
+ */
+typedef struct {
+    /* sensor identifier */
+    int             sensor;
+
+    union {
+        /* x,y,z values of the given sensor */
+        sensors_vec_t   vector;
+
+        /* orientation values are in degres */
+        sensors_vec_t   orientation;
+
+        /* acceleration values are in meter per second per second (m/s^2) */
+        sensors_vec_t   acceleration;
+
+        /* magnetic vector values are in micro-Tesla (uT) */
+        sensors_vec_t   magnetic;
+
+        /* temperature is in degres C */
+        float           temperature;
+    };
+
+    /* time is in nanosecond */
+    int64_t         time;
+
+    uint32_t        reserved;
+} sensors_data_t;
+
+/**
+ * Initialize the module. This is the first entry point
+ * called and typically initializes the hardware.
+ *
+ * @return bit map of available sensors defined by
+ *         the constants SENSORS_XXXX.
+ */
+uint32_t sensors_control_init();
+
+/**
+ * Returns the fd which will be the parameter to
+ * sensors_data_open. The caller takes ownership
+ * of this fd.
+ *
+ * @return a fd if successful, < 0 on error
+ */
+int sensors_control_open();
+
+/** Activate/deactiveate one or more of the sensors.
+ *
+ * @param sensors is a bitmask of the sensors to change.
+ * @param mask is a bitmask for enabling/disabling sensors.
+ *
+ * @return bitmask of SENSORS_XXXX indicating which sensors are enabled
+ */
+uint32_t sensors_control_activate(uint32_t sensors, uint32_t mask);
+
+/**
+ * Set the delay between sensor events in ms
+ *
+ * @return 0 if successful, < 0 on error
+ */
+int sensors_control_delay(int32_t ms);
+
+/**
+ * Prepare to read sensor data.
+ *
+ * This routiune does NOT take ownership of the fd
+ * and must not close it. Typcially this routine would
+ * use a duplicate of the fd parameter.
+ *
+ * @param fd from sensors_control_open.
+ *
+ * @return 0 if successful, < 0 on error
+ */
+int sensors_data_open(int fd);
+
+/**
+ * Caller has completed using the sensor data.
+ * The caller will not be blocked in sensors_data_poll
+ * when this routine is called.
+ *
+ * @return 0 if successful, < 0 on error
+ */
+int sensors_data_close();
+
+/**
+ * Return sensor data for one of the enabled sensors.
+ *
+ * @return SENSOR_XXXX for the returned data, -1 on error
+ * */
+int sensors_data_poll(sensors_data_t* data, uint32_t sensors_of_interest);
+
+/**
+ * @return bit map of available sensors defined by
+ *         the constants SENSORS_XXXX.
+ */
+uint32_t sensors_data_get_sensors();
+
+
+#if __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // _HARDWARE_SENSORS_H
diff --git a/include/hardware/uevent.h b/include/hardware/uevent.h
new file mode 100644
index 0000000..7a5ce58
--- /dev/null
+++ b/include/hardware/uevent.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_UEVENT_H
+#define _HARDWARE_UEVENT_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+int uevent_init();
+int uevent_next_event(char* buffer, int buffer_length);
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+#endif // _HARDWARE_UEVENT_H
diff --git a/include/hardware/vibrator.h b/include/hardware/vibrator.h
new file mode 100644
index 0000000..5245aeb
--- /dev/null
+++ b/include/hardware/vibrator.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HARDWARE_VIBRATOR_H
+#define _HARDWARE_VIBRATOR_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Turn on vibrator
+ *
+ * @return 0 if successful, -1 if error
+ */
+int vibrator_on();
+
+/**
+ * Turn off vibrator
+ *
+ * @return 0 if successful, -1 if error
+ */
+int vibrator_off();
+
+#if __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // _HARDWARE_VIBRATOR_H
diff --git a/include/hardware/wifi.h b/include/hardware/wifi.h
new file mode 100644
index 0000000..0b1acdc
--- /dev/null
+++ b/include/hardware/wifi.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _WIFI_H
+#define _WIFI_H
+
+#if __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Load the wifi driver.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+int wifi_load_driver();
+
+/**
+ * Unload the wifi driver.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+int wifi_unload_driver();
+
+/**
+ * Start supplicant.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+int wifi_start_supplicant();
+
+/**
+ * Stop supplicant.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+int wifi_stop_supplicant();
+
+/**
+ * Open a connection to supplicant.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+int wifi_connect_to_supplicant();
+
+/**
+ * Close connection supplicant.
+ *
+ * @return 0 on success, < 0 on failure.
+ */
+void wifi_close_supplicant_connection();
+
+/**
+ * Do a blocking call to get a wifi event and
+ * return a string representing a wifi event
+ * when it occurs.
+ *
+ * @param buf is the buffer that receives the event
+ * @param len is the maximum length of the buffer
+ *
+ * @returns number of bytes in buffer, 0 if no
+ * event, for instance no connection, < 0 if an
+ * error.
+ */
+int wifi_wait_for_event(char *buf, size_t len);
+
+/**
+ * Issue a command to the wifi driver.
+ *
+ * see \link http://hostap.epitest.fi/wpa_supplicant/devel/ctrl_iface_page.html
+ * for the list of the standard commands. Android has extended these to include
+ * support for sending commands to the driver:
+ *
+ *------------------------------------------------------------------------------
+ *   command                 form of response                processing
+ *      Summary of the command
+ *------------------------------------------------------------------------------
+ * "DRIVER START"        -> "OK" if successful            -> "OK" ? true : false
+ *      Turn on WiFi Hardware
+ *
+ * "DRIVER STOP"         -> "OK" if successful            -> "OK" ? true : false
+ *      Turn off WiFi Hardware
+ *
+ * "DRIVER RSSI"         -> "<ssid> Rssi xx"              -> "%*s %*s %d", &rssi
+ *      Return received signal strength indicator in -db for current AP
+ *
+ * "DRIVER LINKSPEED"    -> "LinkSpeed xx"                -> "%*s %d", &linkspd
+ *      Return link speed in MBPS
+ *
+ * "DRIVER MACADDR"      -> "Macaddr = xx.xx.xx.xx.xx.xx" -> "%*s = %s", &macadr
+ *      Return mac address of the station
+ *
+ * "DRIVER SCAN-ACTIVE"  -> "OK" if successful            -> "OK" ? true : false
+ *      Set scan type to active
+ *
+ * "DRIVER SCAN-PASSIVE" -> "OK" if successful            -> "OK" ? true : false
+ *      Set scan type to passive
+ *------------------------------------------------------------------------------
+ *
+ * See libs/android_runtime/android_net_wifi_Wifi.cpp for more information
+ * on how these and other commands invoked.
+ *
+ * @param command is the string command
+ * @param reply is a buffer to receive a reply string
+ * @param reply_len on entry is the maximum length of
+ *        reply buffer and on exit the number of
+ *        bytes in the reply buffer.
+ *
+ * @return 0 if successful, < 0 if an error.
+ */
+int wifi_command(const char *command, char *reply, size_t *reply_len);
+
+/**
+ * Issues a dhcp request returning the acquired
+ * information. All IPV4 addresses/mask are in
+ * network byte order.
+ *
+ * @param ipaddr return the assigned IPV4 address
+ * @param gateway return the gateway being used
+ * @param mask return the IPV4 mask
+ * @param dns1 return the IPV4 address of a dns server
+ * @param dns2 return the IPV4 address of a dns server
+ * @param serverAddress return the IPV4 address of dhcp server
+ * @param lease return the length of lease in seconds.
+ *
+ * @return 0 if successful, < 0 if error.
+ */
+int do_dhcp_request(int *ipaddr, int *gateway, int *mask,
+                   int *dns1, int *dns2, int *server, int *lease);
+
+/**
+ * Return the error string of the last do_dhcp_request.
+ */
+const char *get_dhcp_error_string();
+
+#if __cplusplus
+};  // extern "C"
+#endif
+
+#endif  // _WIFI_H
diff --git a/led/Android.mk b/led/Android.mk
new file mode 100644
index 0000000..3ecaff8
--- /dev/null
+++ b/led/Android.mk
@@ -0,0 +1,12 @@
+# Copyright 2006 The Android Open Source Project
+
+ifeq ($(TARGET_PRODUCT),sooner)
+LOCAL_SRC_FILES += led/led_sardine.c
+else
+ifeq ($(TARGET_PRODUCT),dream)
+LOCAL_SRC_FILES += led/led_trout.c
+else
+LOCAL_SRC_FILES += led/led_stub.c
+endif
+endif
+
diff --git a/led/led_sardine.c b/led/led_sardine.c
new file mode 100644
index 0000000..a53729f
--- /dev/null
+++ b/led/led_sardine.c
@@ -0,0 +1,63 @@
+#include <hardware/led.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdio.h>
+
+const char* const CADENCE_FILE = "/sys/class/leds/left/cadence";
+const char* const COLOR_FILE = "/sys/class/leds/left/color";
+const char* const BT_WIFI_FILE = "/sys/class/leds/right/brightness";
+
+static int
+write_string(const char* file, const char* string, int len)
+{
+    int fd;
+    ssize_t amt;
+
+    fd = open(file, O_RDWR);
+    if (fd < 0) {
+        return errno;
+    }
+
+    amt = write(fd, string, len+1);
+
+    close(fd);
+    return amt >= 0 ? 0 : errno;
+}
+
+int set_led_state(unsigned colorARGB, int onMS, int offMS)
+{
+    int len;
+    char buf[30];
+    int red, green, color;
+
+    // alpha of 0 or color of 0 (ignoring blue) means off
+    if ((colorARGB & 0xff000000) == 0 || (colorARGB & 0x00ffff00) == 0) {
+        onMS = 0;
+        offMS = 0;
+    }
+
+    // blue means green
+    if ((colorARGB & 0x00ffff00) == 0 && (colorARGB & 0x000000ff) != 0) {
+        colorARGB |= (colorARGB & 0x000000ff) << 8;
+    }
+
+    // ===== color =====
+    // this color conversion isn't really correct, but it's better to
+    // have the light come bright on when asked for low intensity than to
+    // not come on at all. we have no blue
+    red = (colorARGB & 0x00ff0000) ? 1 : 0;
+    green = (colorARGB & 0x0000ff00) ? 2 : 0;
+    color = (red | green) - 1;
+
+    len = sprintf(buf, "%d", color);
+    write_string(COLOR_FILE, buf, len);
+
+    // ===== color =====
+    len = sprintf(buf, "%d,%d", onMS, offMS);
+    write_string(CADENCE_FILE, buf, len);
+
+    return 0;
+}
diff --git a/led/led_stub.c b/led/led_stub.c
new file mode 100644
index 0000000..644efe3
--- /dev/null
+++ b/led/led_stub.c
@@ -0,0 +1,7 @@
+#include <hardware/led.h>
+
+int
+set_led_state(unsigned color, int on, int off)
+{
+    return 0;
+}
diff --git a/led/led_trout.c b/led/led_trout.c
new file mode 100644
index 0000000..847b6bc
--- /dev/null
+++ b/led/led_trout.c
@@ -0,0 +1,100 @@
+#include <hardware/led.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdio.h>
+
+#define LOG_TAG "LED"
+#include <utils/Log.h>
+
+const char* const AMBER_BRIGHTNESS_FILE = "/sys/class/leds/amber/brightness";
+const char* const RED_BRIGHTNESS_FILE = "/sys/class/leds/red/brightness";
+const char* const GREEN_BRIGHTNESS_FILE = "/sys/class/leds/green/brightness";
+const char* const BLUE_BRIGHTNESS_FILE = "/sys/class/leds/blue/brightness";
+const char* const BLINK_ENABLE_FILE = "/sys/class/leds/red/device/blink";
+const char* const BLINK_FREQ_FILE = "/sys/class/leds/red/device/grpfreq";
+const char* const BLINK_PWM_FILE = "/sys/class/leds/red/device/grppwm";
+
+static int
+write_string(const char* file, const char* string, int len)
+{
+    int fd;
+    ssize_t amt;
+
+    fd = open(file, O_RDWR);
+    if (fd < 0) {
+        LOGE("open failed errno: %d\n", errno);
+        return errno;
+    }
+
+    amt = write(fd, string, len);
+    if (amt < 0) {
+        LOGE("write failed errno: %d\n", errno);
+    }
+
+    close(fd);
+    return amt >= 0 ? 0 : errno;
+}
+
+int set_led_state(unsigned colorARGB, int onMS, int offMS)
+{
+    int len;
+    char buf[30];
+    int alpha, red, green, blue;
+    int blink, freq, pwm;
+    
+    LOGV("set_led_state colorARGB=%08X, onMS=%d, offMS=%d\n", colorARGB, onMS, offMS);
+    
+    // alpha of 0 or color of 0 means off
+    if ((colorARGB & 0xff000000) == 0 || (colorARGB & 0x00ffffff) == 0) {
+        onMS = 0;
+        offMS = 0;
+    }
+
+    red = (colorARGB >> 16) & 0xFF;
+    green = (colorARGB >> 8) & 0xFF;
+    blue = colorARGB & 0xFF;
+
+    len = sprintf(buf, "%d", red);
+    write_string(RED_BRIGHTNESS_FILE, buf, len);
+    len = sprintf(buf, "%d", green);
+    write_string(GREEN_BRIGHTNESS_FILE, buf, len);
+    len = sprintf(buf, "%d", blue);
+    write_string(BLUE_BRIGHTNESS_FILE, buf, len);
+
+    if (onMS > 0 && offMS > 0) {        
+        int totalMS = onMS + offMS;
+        
+        // the LED appears to blink about once per second if freq is 20
+        // 1000ms / 20 = 50
+        freq = totalMS / 50;
+        // pwm specifies the ratio of ON versus OFF
+        // pwm = 0 -> always off
+        // pwm = 255 => always on
+        pwm = (onMS * 255) / totalMS;
+        
+        // the low 4 bits are ignored, so round up if necessary
+        if (pwm > 0 && pwm < 16)
+            pwm = 16;
+
+        blink = 1;
+    } else {
+        blink = 0;
+        freq = 0;
+        pwm = 0;
+    }
+    
+    if (blink) {
+        len = sprintf(buf, "%d", freq);
+        write_string(BLINK_FREQ_FILE, buf, len);
+        len = sprintf(buf, "%d", pwm);
+        write_string(BLINK_PWM_FILE, buf, len);
+    }
+
+    len = sprintf(buf, "%d", blink);
+    write_string(BLINK_ENABLE_FILE, buf, len);
+
+    return 0;
+}
diff --git a/mount/Android.mk b/mount/Android.mk
new file mode 100644
index 0000000..1f4c1fa
--- /dev/null
+++ b/mount/Android.mk
@@ -0,0 +1,4 @@
+# Copyright 2007 The Android Open Source Project
+
+LOCAL_SRC_FILES += mount/IMountService.cpp
+
diff --git a/mount/IMountService.cpp b/mount/IMountService.cpp
new file mode 100644
index 0000000..a32e470
--- /dev/null
+++ b/mount/IMountService.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Parcel.h>
+
+#include <hardware/IMountService.h>
+
+namespace android {
+
+enum {
+    GET_MASS_STORAGE_ENABLED_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
+    SET_MASS_STORAGE_ENABLED_TRANSACTION,
+    GET_MASS_STORAGE_CONNECTED_TRANSACTION,
+    MOUNT_MEDIA_TRANSACTION,
+    UNMOUNT_MEDIA_TRANSACTION
+};    
+
+class BpMountService : public BpInterface<IMountService>
+{
+public:
+    BpMountService(const sp<IBinder>& impl)
+        : BpInterface<IMountService>(impl)
+    {
+    }
+
+    virtual bool getMassStorageEnabled()
+    {
+        uint32_t n;
+        Parcel data, reply;
+        data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
+        remote()->transact(GET_MASS_STORAGE_ENABLED_TRANSACTION, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual void setMassStorageEnabled(bool enabled)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
+        data.writeInt32(enabled ? 1 : 0);
+        remote()->transact(SET_MASS_STORAGE_ENABLED_TRANSACTION, data, &reply);
+    }
+
+    virtual bool getMassStorageConnected()
+    {
+        uint32_t n;
+        Parcel data, reply;
+        data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
+        remote()->transact(GET_MASS_STORAGE_CONNECTED_TRANSACTION, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual void mountMedia(String16 mountPoint)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
+        data.writeString16(mountPoint);
+        remote()->transact(MOUNT_MEDIA_TRANSACTION, data, &reply);
+    }
+
+    virtual void unmountMedia(String16 mountPoint)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
+        data.writeString16(mountPoint);
+        remote()->transact(UNMOUNT_MEDIA_TRANSACTION, data, &reply);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(MountService, "android.os.IMountService");
+
+
+};
diff --git a/power/Android.mk b/power/Android.mk
new file mode 100644
index 0000000..fe671a5
--- /dev/null
+++ b/power/Android.mk
@@ -0,0 +1,4 @@
+# Copyright 2006 The Android Open Source Project
+
+LOCAL_SRC_FILES += power/power.c
+
diff --git a/power/power.c b/power/power.c
new file mode 100644
index 0000000..907726a
--- /dev/null
+++ b/power/power.c
@@ -0,0 +1,204 @@
+#include <hardware/power.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <time.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <pthread.h>
+
+#define LOG_TAG "power"
+#include <utils/Log.h>
+
+enum {
+    ACQUIRE_PARTIAL_WAKE_LOCK = 0,
+    ACQUIRE_FULL_WAKE_LOCK,
+    RELEASE_WAKE_LOCK,
+    REQUEST_STATE,
+    OUR_FD_COUNT
+};
+
+const char * const PATHS[] = {
+    "/sys/android_power/acquire_partial_wake_lock",
+    "/sys/android_power/acquire_full_wake_lock",
+    "/sys/android_power/release_wake_lock",
+    "/sys/android_power/request_state"
+};
+
+const char * const AUTO_OFF_TIMEOUT_DEV = "/sys/android_power/auto_off_timeout";
+
+const char * const LCD_BACKLIGHT = "/sys/class/leds/lcd-backlight/brightness";
+const char * const BUTTON_BACKLIGHT = "/sys/class/leds/button-backlight/brightness";
+const char * const KEYBOARD_BACKLIGHT = "/sys/class/leds/keyboard-backlight/brightness";
+
+//XXX static pthread_once_t g_initialized = THREAD_ONCE_INIT;
+static int g_initialized = 0;
+static int g_fds[OUR_FD_COUNT];
+static int g_error = 1;
+
+
+static int64_t systemTime()
+{
+    struct timespec t;
+    t.tv_sec = t.tv_nsec = 0;
+    clock_gettime(CLOCK_MONOTONIC, &t);
+    return t.tv_sec*1000000000LL + t.tv_nsec;
+}
+
+static void
+open_file_descriptors(void)
+{
+    int i;
+    for (i=0; i<OUR_FD_COUNT; i++) {
+        int fd = open(PATHS[i], O_RDWR);
+        if (fd < 0) {
+            fprintf(stderr, "fatal error opening \"%s\"\n", PATHS[i]);
+            g_error = errno;
+            return;
+        }
+        g_fds[i] = fd;
+    }
+
+    g_error = 0;
+}
+
+static inline void
+initialize_fds(void)
+{
+    // XXX: should be this:
+    //pthread_once(&g_initialized, open_file_descriptors);
+    // XXX: not this:
+    if (g_initialized == 0) {
+        open_file_descriptors();
+        g_initialized = 1;
+    }
+}
+
+int
+acquire_wake_lock(int lock, const char* id)
+{
+    initialize_fds();
+
+//    LOGI("acquire_wake_lock lock=%d id='%s'\n", lock, id);
+
+    if (g_error) return g_error;
+
+    int fd;
+
+    if (lock == PARTIAL_WAKE_LOCK) {
+        fd = g_fds[ACQUIRE_PARTIAL_WAKE_LOCK];
+    }
+    else if (lock == FULL_WAKE_LOCK) {
+        fd = g_fds[ACQUIRE_FULL_WAKE_LOCK];
+    }
+    else {
+        return EINVAL;
+    }
+
+    return write(fd, id, strlen(id));
+}
+
+int
+release_wake_lock(const char* id)
+{
+    initialize_fds();
+
+//    LOGI("release_wake_lock id='%s'\n", id);
+
+    if (g_error) return g_error;
+
+    ssize_t len = write(g_fds[RELEASE_WAKE_LOCK], id, strlen(id));
+    return len >= 0;
+}
+
+int
+set_last_user_activity_timeout(int64_t delay)
+{
+//    LOGI("set_last_user_activity_timeout delay=%d\n", ((int)(delay)));
+
+    int fd = open(AUTO_OFF_TIMEOUT_DEV, O_RDWR);
+    if (fd >= 0) {
+        char buf[32];
+        ssize_t len;
+        len = sprintf(buf, "%d", ((int)(delay)));
+        len = write(fd, buf, len);
+        close(fd);
+        return 0;
+    } else {
+        return errno;
+    }
+}
+
+static void
+set_a_light(const char* path, int value)
+{
+    int fd;
+
+    // LOGI("set_a_light(%s, %d)\n", path, value);
+
+    fd = open(path, O_RDWR);
+    if (fd) {
+        char    buffer[20];
+        int bytes = sprintf(buffer, "%d\n", value);
+        write(fd, buffer, bytes);
+        close(fd);
+    } else {
+        LOGE("set_a_light failed to open %s\n", path);
+    }
+}
+
+int
+set_light_brightness(unsigned int mask, unsigned int brightness)
+{
+    initialize_fds();
+
+//    LOGI("set_light_brightness mask=0x%08x brightness=%d now=%lld g_error=%s\n",
+//            mask, brightness, systemTime(), strerror(g_error));
+
+    if (mask & KEYBOARD_LIGHT) {
+        set_a_light(KEYBOARD_BACKLIGHT, brightness);
+    }
+
+    if (mask & SCREEN_LIGHT) {
+        set_a_light(LCD_BACKLIGHT, brightness);
+    }
+
+    if (mask & BUTTON_LIGHT) {
+        set_a_light(BUTTON_BACKLIGHT, brightness);
+    }
+
+    return 0;
+}
+
+
+int
+set_screen_state(int on)
+{
+    //LOGI("*** set_screen_state %d", on);
+
+    initialize_fds();
+
+    //LOGI("go_to_sleep eventTime=%lld now=%lld g_error=%s\n", eventTime,
+      //      systemTime(), strerror(g_error));
+
+    if (g_error) return g_error;
+
+    char buf[32];
+    int len;
+    if(on)
+        len = sprintf(buf, "wake");
+    else
+        len = sprintf(buf, "standby");
+    len = write(g_fds[REQUEST_STATE], buf, len);
+    if(len < 0) {
+        LOGE("Failed setting last user activity: g_error=%d\n", g_error);
+    }
+    return 0;
+}
+
+
diff --git a/qemu_tracing/Android.mk b/qemu_tracing/Android.mk
new file mode 100644
index 0000000..8c5bab0
--- /dev/null
+++ b/qemu_tracing/Android.mk
@@ -0,0 +1,4 @@
+# Copyright 2007 The Android Open Source Project
+
+LOCAL_SRC_FILES += qemu_tracing/qemu_tracing.c
+
diff --git a/qemu_tracing/qemu_tracing.c b/qemu_tracing/qemu_tracing.c
new file mode 100644
index 0000000..aacd1aa
--- /dev/null
+++ b/qemu_tracing/qemu_tracing.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+// This is the pathname to the sysfs file that enables and disables
+// tracing on the qemu emulator.
+#define SYS_QEMU_TRACE_STATE "/sys/qemu_trace/state"
+
+
+// This is the pathname to the sysfs file that adds new (address, symbol)
+// pairs to the trace.
+#define SYS_QEMU_TRACE_SYMBOL "/sys/qemu_trace/symbol"
+
+// The maximum length of a symbol name
+#define MAX_SYMBOL_NAME_LENGTH (4 * 1024)
+
+// Allow space in the buffer for the address plus whitespace.
+#define MAX_BUF_SIZE (MAX_SYMBOL_NAME_LENGTH + 20)
+
+// return 0 on success, or an error if the qemu driver cannot be opened
+int qemu_start_tracing()
+{
+    int fd = open(SYS_QEMU_TRACE_STATE, O_WRONLY);
+    if (fd < 0)
+        return fd;
+    write(fd, "1\n", 2);
+    close(fd);
+    return 0;
+}
+
+int qemu_stop_tracing()
+{
+    int fd = open(SYS_QEMU_TRACE_STATE, O_WRONLY);
+    if (fd < 0)
+        return fd;
+    write(fd, "0\n", 2);
+    close(fd);
+    return 0;
+}
+
+int qemu_add_mapping(unsigned int addr, const char *name)
+{
+    char buf[MAX_BUF_SIZE];
+
+    if (strlen(name) > MAX_SYMBOL_NAME_LENGTH)
+        return EINVAL;
+    int fd = open(SYS_QEMU_TRACE_SYMBOL, O_WRONLY);
+    if (fd < 0)
+        return fd;
+    sprintf(buf, "%x %s\n", addr, name);
+    write(fd, buf, strlen(buf));
+    close(fd);
+    return 0;
+}
+
+int qemu_remove_mapping(unsigned int addr)
+{
+    char buf[MAX_BUF_SIZE];
+
+    int fd = open(SYS_QEMU_TRACE_SYMBOL, O_WRONLY);
+    if (fd < 0)
+        return fd;
+    sprintf(buf, "%x\n", addr);
+    write(fd, buf, strlen(buf));
+    close(fd);
+    return 0;
+}
diff --git a/sensors/Android.mk b/sensors/Android.mk
new file mode 100644
index 0000000..00fdbad
--- /dev/null
+++ b/sensors/Android.mk
@@ -0,0 +1,8 @@
+# Copyright 2008 The Android Open Source Project
+
+ifeq ($(TARGET_PRODUCT),dream)
+LOCAL_SRC_FILES += sensors/sensors_trout.c
+else
+LOCAL_SRC_FILES += sensors/sensors_stub.c
+endif
+
diff --git a/sensors/sensors_stub.c b/sensors/sensors_stub.c
new file mode 100644
index 0000000..c096cf2
--- /dev/null
+++ b/sensors/sensors_stub.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hardware/sensors.h>
+#include <unistd.h>
+
+
+uint32_t sensors_control_init() {
+    return 0;
+}
+
+/* returns a fd where to read the events from. the caller takes
+ * ownership of this fd */
+int sensors_control_open() {
+    return -1;
+}
+
+/* returns a bitmask indicating which sensors are enabled */
+uint32_t sensors_control_activate(uint32_t sensors, uint32_t mask) {
+    return 0;
+}
+
+/* set the delay between sensor events in ms */
+int sensors_control_delay(int32_t ms) {
+    return -1;
+}
+
+/* initialize the sensor data read. doesn't take ownership of the fd */
+int sensors_data_open(int fd) {
+    return 0;
+}
+
+/* done with sensor data */
+int sensors_data_close() {
+    return -1;
+}
+
+/* returns a bitmask indicating which sensors have changed */
+int sensors_data_poll(sensors_data_t* data, uint32_t sensors_of_interest) {
+    usleep(60000000);
+    return 0;
+}
+
+/* returns available sensors */
+uint32_t sensors_data_get_sensors() {
+    return 0;
+}
diff --git a/sensors/sensors_trout.c b/sensors/sensors_trout.c
new file mode 100644
index 0000000..f3c0b3a
--- /dev/null
+++ b/sensors/sensors_trout.c
@@ -0,0 +1,599 @@
+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Sensors"
+
+#include <hardware/sensors.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <dirent.h>
+#include <math.h>
+#include <poll.h>
+
+#include <linux/input.h>
+#include <linux/akm8976.h>
+
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+
+/*****************************************************************************/
+
+#define AKM_DEVICE_NAME             "/dev/akm8976_aot"
+
+#define SUPPORTED_SENSORS  (SENSORS_ORIENTATION  |  \
+                            SENSORS_ACCELERATION |  \
+                            SENSORS_MAGNETIC_FIELD | \
+                            SENSORS_ORIENTATION_RAW)
+
+
+// sensor IDs must be a power of two and
+// must match values in SensorManager.java
+#define EVENT_TYPE_ACCEL_X          ABS_X
+#define EVENT_TYPE_ACCEL_Y          ABS_Z
+#define EVENT_TYPE_ACCEL_Z          ABS_Y
+#define EVENT_TYPE_ACCEL_STATUS     ABS_WHEEL
+
+#define EVENT_TYPE_YAW              ABS_RX
+#define EVENT_TYPE_PITCH            ABS_RY
+#define EVENT_TYPE_ROLL             ABS_RZ
+#define EVENT_TYPE_ORIENT_STATUS    ABS_RUDDER
+
+#define EVENT_TYPE_MAGV_X           ABS_HAT0X
+#define EVENT_TYPE_MAGV_Y           ABS_HAT0Y
+#define EVENT_TYPE_MAGV_Z           ABS_BRAKE
+
+#define EVENT_TYPE_TEMPERATURE      ABS_THROTTLE
+#define EVENT_TYPE_STEP_COUNT       ABS_GAS
+
+// 720 LSG = 1G
+#define LSG                         (720.0f)
+
+// conversion of acceleration data to SI units (m/s^2)
+#define CONVERT_A                   (GRAVITY_EARTH / LSG)
+#define CONVERT_A_X                 (CONVERT_A)
+#define CONVERT_A_Y                 (-CONVERT_A)
+#define CONVERT_A_Z                 (CONVERT_A)
+
+// conversion of magnetic data to uT units
+#define CONVERT_M                   (1.0f/16.0f)
+#define CONVERT_M_X                 (CONVERT_M)
+#define CONVERT_M_Y                 (CONVERT_M)
+#define CONVERT_M_Z                 (CONVERT_M)
+
+#define SENSOR_STATE_MASK           (0x7FFF)
+
+/*****************************************************************************/
+
+static int sAkmFD = -1;
+static uint32_t sActiveSensors = 0;
+
+/*****************************************************************************/
+
+/*
+ * We use a Least Mean Squares filter to smooth out the output of the yaw
+ * sensor.
+ *
+ * The goal is to estimate the output of the sensor based on previous acquired
+ * samples.
+ *
+ * We approximate the input by a line with the equation:
+ *      Z(t) = a * t + b
+ *
+ * We use the Least Mean Squares method to calculate a and b so that the
+ * distance between the line and the measured COUNT inputs Z(t) is minimal.
+ *
+ * In practice we only need to compute b, which is the value we're looking for
+ * (it's the estimated Z at t=0). However, to improve the latency a little bit,
+ * we're going to discard a certain number of samples that are too far from
+ * the estimated line and compute b again with the new (trimmed down) samples.
+ *
+ * notes:
+ * 'a' is the slope of the line, and physicaly represent how fast the input
+ * is changing. In our case, how fast the yaw is changing, that is, how fast the
+ * user is spinning the device (in degre / nanosecond). This value should be
+ * zero when the device is not moving.
+ *
+ * The minimum distance between the line and the samples (which we are not
+ * explicitely computing here), is an indication of how bad the samples are
+ * and gives an idea of the "quality" of the estimation (well, really of the
+ * sensor values).
+ *
+ */
+
+/* sensor rate in me */
+#define SENSORS_RATE_MS     20
+/* timeout (constant value) in ms */
+#define SENSORS_TIMEOUT_MS  100
+/* # of samples to look at in the past for filtering */
+#define COUNT               24
+/* prediction ratio */
+#define PREDICTION_RATIO    (1.0f/3.0f)
+/* prediction time in seconds (>=0) */
+#define PREDICTION_TIME     ((SENSORS_RATE_MS*COUNT/1000.0f)*PREDICTION_RATIO)
+
+static float mV[COUNT*2];
+static float mT[COUNT*2];
+static int mIndex;
+
+static inline
+float normalize(float x)
+{
+    x *= (1.0f / 360.0f);
+    if (fabsf(x) >= 0.5f)
+        x = x - ceilf(x + 0.5f) + 1.0f;
+    if (x < 0)
+        x += 1.0f;
+    x *= 360.0f;
+    return x;
+}
+
+static void LMSInit(void)
+{
+    memset(mV, 0, sizeof(mV));
+    memset(mT, 0, sizeof(mT));
+    mIndex = COUNT;
+}
+
+static float LMSFilter(int64_t time, int v)
+{
+    const float ns = 1.0f / 1000000000.0f;
+    const float t = time*ns;
+    float v1 = mV[mIndex];
+    if ((v-v1) > 180) {
+        v -= 360;
+    } else if ((v1-v) > 180) {
+        v += 360;
+    }
+    /* Manage the circular buffer, we write the data twice spaced by COUNT
+     * values, so that we don't have to memcpy() the array when it's full */
+    mIndex++;
+    if (mIndex >= COUNT*2)
+        mIndex = COUNT;
+    mV[mIndex] = v;
+    mT[mIndex] = t;
+    mV[mIndex-COUNT] = v;
+    mT[mIndex-COUNT] = t;
+
+    float A, B, C, D, E;
+    float a, b;
+    int i;
+
+    A = B = C = D = E = 0;
+    for (i=0 ; i<COUNT-1 ; i++) {
+        const int j = mIndex - 1 - i;
+        const float Z = mV[j];
+        const float T = 0.5f*(mT[j] + mT[j+1]) - t;
+        float dT = mT[j] - mT[j+1];
+        dT *= dT;
+        A += Z*dT;
+        B += T*(T*dT);
+        C +=   (T*dT);
+        D += Z*(T*dT);
+        E += dT;
+    }
+    b = (A*B + C*D) / (E*B + C*C);
+    a = (E*b - A) / C;
+    float f = b + PREDICTION_TIME*a;
+
+    //LOGD("A=%f, B=%f, C=%f, D=%f, E=%f", A,B,C,D,E);
+    //LOGD("%lld  %d  %f  %f", time, v, f, a);
+
+    f = normalize(f);
+    return f;
+}
+
+/*****************************************************************************/
+
+static int open_input()
+{
+    /* scan all input drivers and look for "compass" */
+    int fd = -1;
+    const char *dirname = "/dev/input";
+    char devname[PATH_MAX];
+    char *filename;
+    DIR *dir;
+    struct dirent *de;
+    dir = opendir(dirname);
+    if(dir == NULL)
+        return -1;
+    strcpy(devname, dirname);
+    filename = devname + strlen(devname);
+    *filename++ = '/';
+    while((de = readdir(dir))) {
+        if(de->d_name[0] == '.' &&
+           (de->d_name[1] == '\0' ||
+            (de->d_name[1] == '.' && de->d_name[2] == '\0')))
+            continue;
+        strcpy(filename, de->d_name);
+        fd = open(devname, O_RDONLY);
+        if (fd>=0) {
+            char name[80];
+            if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
+                name[0] = '\0';
+            }
+            if (!strcmp(name, "compass")) {
+                LOGD("using %s (name=%s)", devname, name);
+                break;
+            }
+            close(fd);
+            fd = -1;
+        }
+    }
+    closedir(dir);
+
+    if (fd < 0) {
+        LOGE("Couldn't find or open 'compass' driver (%s)", strerror(errno));
+    }
+    return fd;
+}
+
+static int open_akm()
+{
+    if (sAkmFD <= 0) {
+        sAkmFD = open(AKM_DEVICE_NAME, O_RDONLY);
+        LOGD("%s, fd=%d", __PRETTY_FUNCTION__, sAkmFD);
+        LOGE_IF(sAkmFD<0, "Couldn't open %s (%s)",
+                AKM_DEVICE_NAME, strerror(errno));
+        if (sAkmFD >= 0) {
+            sActiveSensors = 0;
+        }
+    }
+    return sAkmFD;
+}
+
+static void close_akm()
+{
+    if (sAkmFD > 0) {
+        LOGD("%s, fd=%d", __PRETTY_FUNCTION__, sAkmFD);
+        close(sAkmFD);
+        sAkmFD = -1;
+    }
+}
+
+static void enable_disable(int fd, uint32_t sensors, uint32_t mask)
+{
+    if (fd<0) return;
+    short flags;
+    
+    if (sensors & SENSORS_ORIENTATION_RAW) {
+        sensors |= SENSORS_ORIENTATION;
+        mask |= SENSORS_ORIENTATION;
+    } else if (mask & SENSORS_ORIENTATION_RAW) {
+        mask |= SENSORS_ORIENTATION;
+    }
+    
+    if (mask & SENSORS_ORIENTATION) {
+        flags = (sensors & SENSORS_ORIENTATION) ? 1 : 0;
+        if (ioctl(fd, ECS_IOCTL_APP_SET_MFLAG, &flags) < 0) {
+            LOGE("ECS_IOCTL_APP_SET_MFLAG error (%s)", strerror(errno));
+        }
+    }
+    if (mask & SENSORS_ACCELERATION) {
+        flags = (sensors & SENSORS_ACCELERATION) ? 1 : 0;
+        if (ioctl(fd, ECS_IOCTL_APP_SET_AFLAG, &flags) < 0) {
+            LOGE("ECS_IOCTL_APP_SET_AFLAG error (%s)", strerror(errno));
+        }
+    }
+    if (mask & SENSORS_TEMPERATURE) {
+        flags = (sensors & SENSORS_TEMPERATURE) ? 1 : 0;
+        if (ioctl(fd, ECS_IOCTL_APP_SET_TFLAG, &flags) < 0) {
+            LOGE("ECS_IOCTL_APP_SET_TFLAG error (%s)", strerror(errno));
+        }
+    }
+#ifdef ECS_IOCTL_APP_SET_MVFLAG
+    if (mask & SENSORS_MAGNETIC_FIELD) {
+        flags = (sensors & SENSORS_MAGNETIC_FIELD) ? 1 : 0;
+        if (ioctl(fd, ECS_IOCTL_APP_SET_MVFLAG, &flags) < 0) {
+            LOGE("ECS_IOCTL_APP_SET_MVFLAG error (%s)", strerror(errno));
+        }
+    }
+#endif
+}
+
+static uint32_t read_sensors_state(int fd)
+{
+    if (fd<0) return 0;
+    short flags;
+    uint32_t sensors = 0;
+    // read the actual value of all sensors
+    if (!ioctl(fd, ECS_IOCTL_APP_GET_MFLAG, &flags)) {
+        if (flags)  sensors |= SENSORS_ORIENTATION;
+        else        sensors &= ~SENSORS_ORIENTATION;
+    }
+    if (!ioctl(fd, ECS_IOCTL_APP_GET_AFLAG, &flags)) {
+        if (flags)  sensors |= SENSORS_ACCELERATION;
+        else        sensors &= ~SENSORS_ACCELERATION;
+    }
+    if (!ioctl(fd, ECS_IOCTL_APP_GET_TFLAG, &flags)) {
+        if (flags)  sensors |= SENSORS_TEMPERATURE;
+        else        sensors &= ~SENSORS_TEMPERATURE;
+    }
+#ifdef ECS_IOCTL_APP_SET_MVFLAG
+    if (!ioctl(fd, ECS_IOCTL_APP_GET_MVFLAG, &flags)) {
+        if (flags)  sensors |= SENSORS_MAGNETIC_FIELD;
+        else        sensors &= ~SENSORS_MAGNETIC_FIELD;
+    }
+#endif
+    return sensors;
+}
+
+/*****************************************************************************/
+
+uint32_t sensors_control_init()
+{
+    return SUPPORTED_SENSORS;
+}
+
+int sensors_control_open()
+{
+    return open_input();
+}
+
+uint32_t sensors_control_activate(uint32_t sensors, uint32_t mask)
+{
+    mask &= SUPPORTED_SENSORS;
+    uint32_t active = sActiveSensors;
+    uint32_t new_sensors = (active & ~mask) | (sensors & mask);
+    uint32_t changed = active ^ new_sensors;
+    if (changed) {
+        int fd = open_akm();
+        if (fd < 0) return 0;
+
+        if (!active && new_sensors) {
+            // force all sensors to be updated
+            changed = SUPPORTED_SENSORS;
+        }
+
+        enable_disable(fd, new_sensors, changed);
+
+        if (active && !new_sensors) {
+            // close the driver
+            close_akm();
+        }
+        sActiveSensors = active = new_sensors;
+        LOGD("sensors=%08x, real=%08x",
+                sActiveSensors, read_sensors_state(fd));
+    }
+    return active;
+}
+
+int sensors_control_delay(int32_t ms)
+{
+#ifdef ECS_IOCTL_APP_SET_DELAY
+    if (sAkmFD <= 0) {
+        return -1;
+    }
+    short delay = ms;
+    if (!ioctl(sAkmFD, ECS_IOCTL_APP_SET_DELAY, &delay)) {
+        return -errno;
+    }
+    return 0;
+#else
+    return -1;
+#endif
+}
+
+/*****************************************************************************/
+
+#define MAX_NUM_SENSORS 8
+static int sInputFD = -1;
+static const int ID_O  = 0;
+static const int ID_A  = 1;
+static const int ID_T  = 2;
+static const int ID_M  = 3;
+static const int ID_OR = 7; // orientation raw
+static sensors_data_t sSensors[MAX_NUM_SENSORS];
+static uint32_t sPendingSensors;
+
+int sensors_data_open(int fd)
+{
+    int i;
+    LMSInit();
+    memset(&sSensors, 0, sizeof(sSensors));
+    for (i=0 ; i<MAX_NUM_SENSORS ; i++) {
+        // by default all sensors have high accuracy
+        // (we do this because we don't get an update if the value doesn't
+        // change).
+        sSensors[i].vector.status = SENSOR_STATUS_ACCURACY_HIGH;
+    }
+    sPendingSensors = 0;
+    sInputFD = dup(fd);
+    LOGD("sensors_data_open: fd = %d", sInputFD);
+    return 0;
+}
+
+int sensors_data_close()
+{
+    close(sInputFD);
+    sInputFD = -1;
+    return 0;
+}
+
+static int pick_sensor(sensors_data_t* values)
+{
+    uint32_t mask = SENSORS_MASK;
+    while(mask) {
+        uint32_t i = 31 - __builtin_clz(mask);
+        mask &= ~(1<<i);
+        if (sPendingSensors & (1<<i)) {
+            sPendingSensors &= ~(1<<i);
+            *values = sSensors[i];
+            values->sensor = (1<<i);
+            LOGD_IF(0, "%d [%f, %f, %f]", (1<<i),
+                    values->vector.x,
+                    values->vector.y,
+                    values->vector.z);
+            return (1<<i);
+        }
+    }
+    LOGE("No sensor to return!!! sPendingSensors=%08x", sPendingSensors);
+    // we may end-up in a busy loop, slow things down, just in case.
+    usleep(100000);
+    return -1;
+}
+
+int sensors_data_poll(sensors_data_t* values, uint32_t sensors_of_interest)
+{
+    struct input_event event;
+    int nread;
+    int64_t t;
+
+    int fd = sInputFD;
+    if (fd <= 0)
+        return -1;
+
+    // there are pending sensors, returns them now...
+    if (sPendingSensors) {
+        return pick_sensor(values);
+    }
+
+    uint32_t new_sensors = 0;
+    struct pollfd fds;
+    fds.fd = fd;
+    fds.events = POLLIN;
+    fds.revents = 0;
+
+    // wait until we get a complete event for an enabled sensor
+    while (1) {
+        nread = 0;
+        if (sensors_of_interest & SENSORS_ORIENTATION) {
+            /* We do some special processing if the orientation sensor is
+             * activated. In particular the yaw value is filtered with a
+             * LMS filter. Since the kernel only sends an event when the
+             * value changes, we need to wake up at regular intervals to
+             * generate an output value (the output value may not be
+             * constant when the input value is constant)
+             */
+            int err = poll(&fds, 1, SENSORS_TIMEOUT_MS);
+            if (err == 0) {
+                struct timespec time;
+                time.tv_sec = time.tv_nsec = 0;
+                clock_gettime(CLOCK_MONOTONIC, &time);
+
+                /* generate an output value */
+                t = time.tv_sec*1000000000LL+time.tv_nsec;
+                new_sensors |= SENSORS_ORIENTATION;
+                sSensors[ID_O].orientation.yaw =
+                        LMSFilter(t, sSensors[ID_O].orientation.yaw);
+
+                /* generate a fake sensors event */
+                event.type = EV_SYN;
+                event.time.tv_sec = time.tv_sec;
+                event.time.tv_usec = time.tv_nsec/1000;
+                nread = sizeof(event);
+            }
+        }
+        if (nread == 0) {
+            /* read the next event */
+            nread = read(fd, &event, sizeof(event));
+        }
+        if (nread == sizeof(event)) {
+            uint32_t v;
+            if (event.type == EV_ABS) {
+                //LOGD("type: %d code: %d value: %-5d time: %ds",
+                //        event.type, event.code, event.value,
+                //      (int)event.time.tv_sec);
+                switch (event.code) {
+
+                    case EVENT_TYPE_ACCEL_X:
+                        new_sensors |= SENSORS_ACCELERATION;
+                        sSensors[ID_A].acceleration.x = event.value * CONVERT_A_X;
+                        break;
+                    case EVENT_TYPE_ACCEL_Y:
+                        new_sensors |= SENSORS_ACCELERATION;
+                        sSensors[ID_A].acceleration.y = event.value * CONVERT_A_Y;
+                        break;
+                    case EVENT_TYPE_ACCEL_Z:
+                        new_sensors |= SENSORS_ACCELERATION;
+                        sSensors[ID_A].acceleration.z = event.value * CONVERT_A_Z;
+                        break;
+
+                    case EVENT_TYPE_MAGV_X:
+                        new_sensors |= SENSORS_MAGNETIC_FIELD;
+                        sSensors[ID_M].magnetic.x = event.value * CONVERT_M_X;
+                        break;
+                    case EVENT_TYPE_MAGV_Y:
+                        new_sensors |= SENSORS_MAGNETIC_FIELD;
+                        sSensors[ID_M].magnetic.y = event.value * CONVERT_M_Y;
+                        break;
+                    case EVENT_TYPE_MAGV_Z:
+                        new_sensors |= SENSORS_MAGNETIC_FIELD;
+                        sSensors[ID_M].magnetic.z = event.value * CONVERT_M_Z;
+                        break;
+
+                    case EVENT_TYPE_YAW:
+                        new_sensors |= SENSORS_ORIENTATION | SENSORS_ORIENTATION_RAW;
+                        t = event.time.tv_sec*1000000000LL +
+                                event.time.tv_usec*1000;
+                        sSensors[ID_O].orientation.yaw = 
+                            (sensors_of_interest & SENSORS_ORIENTATION) ?
+                                    LMSFilter(t, event.value) : event.value;
+                        sSensors[ID_OR].orientation.yaw = event.value;
+                        break;
+                    case EVENT_TYPE_PITCH:
+                        new_sensors |= SENSORS_ORIENTATION | SENSORS_ORIENTATION_RAW;
+                        sSensors[ID_O].orientation.pitch = event.value;
+                        sSensors[ID_OR].orientation.pitch = event.value;
+                        break;
+                    case EVENT_TYPE_ROLL:
+                        new_sensors |= SENSORS_ORIENTATION | SENSORS_ORIENTATION_RAW;
+                        sSensors[ID_O].orientation.roll = event.value;
+                        sSensors[ID_OR].orientation.roll = event.value;
+                        break;
+
+                    case EVENT_TYPE_TEMPERATURE:
+                        new_sensors |= SENSORS_TEMPERATURE;
+                        sSensors[ID_T].temperature = event.value;
+                        break;
+
+                    case EVENT_TYPE_STEP_COUNT:
+                        // step count (only reported in MODE_FFD)
+                        // we do nothing with it for now.
+                        break;
+                    case EVENT_TYPE_ACCEL_STATUS:
+                        // accuracy of the calibration (never returned!)
+                        //LOGD("G-Sensor status %d", event.value);
+                        break;
+                    case EVENT_TYPE_ORIENT_STATUS:
+                        // accuracy of the calibration
+                        v = (uint32_t)(event.value & SENSOR_STATE_MASK);
+                        LOGD_IF(sSensors[ID_O].orientation.status != (uint8_t)v,
+                                "M-Sensor status %d", v);
+                        sSensors[ID_O].orientation.status = (uint8_t)v;
+                        sSensors[ID_OR].orientation.status = (uint8_t)v;
+                        break;
+                }
+            } else if (event.type == EV_SYN) {
+                if (new_sensors) {
+                    sPendingSensors = new_sensors;
+                    int64_t t = event.time.tv_sec*1000000000LL +
+                            event.time.tv_usec*1000;
+                    while (new_sensors) {
+                        uint32_t i = 31 - __builtin_clz(new_sensors);
+                        new_sensors &= ~(1<<i);
+                        sSensors[i].time = t;
+                    }
+                    return pick_sensor(values);
+                }
+            }
+        }
+    }
+}
+
+uint32_t sensors_data_get_sensors() {
+    return SUPPORTED_SENSORS;
+}
+
diff --git a/uevent/Android.mk b/uevent/Android.mk
new file mode 100644
index 0000000..74ccdbc
--- /dev/null
+++ b/uevent/Android.mk
@@ -0,0 +1,7 @@
+# Copyright 2008 The Android Open Source Project
+
+ifeq ($(TARGET_SIMULATOR),true)
+LOCAL_SRC_FILES += uevent/uevent_stub.c
+else
+LOCAL_SRC_FILES += uevent/uevent.c
+endif
diff --git a/uevent/uevent.c b/uevent/uevent.c
new file mode 100644
index 0000000..4432b33
--- /dev/null
+++ b/uevent/uevent.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hardware/uevent.h>
+
+#include <string.h>
+#include <unistd.h>
+#include <poll.h>
+
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <linux/netlink.h>
+
+
+static int fd = -1;
+
+/* Returns 0 on failure, 1 on success */
+int uevent_init()
+{
+    struct sockaddr_nl addr;
+    int sz = 64*1024;
+    int s;
+
+    memset(&addr, 0, sizeof(addr));
+    addr.nl_family = AF_NETLINK;
+    addr.nl_pid = getpid();
+    addr.nl_groups = 0xffffffff;
+
+    s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT);
+    if(s < 0)
+        return 0;
+
+    setsockopt(s, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz));
+
+    if(bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+        close(s);
+        return 0;
+    }
+
+    fd = s;
+    return (fd > 0);
+}
+
+int uevent_next_event(char* buffer, int buffer_length)
+{
+    while (1) {
+        struct pollfd fds;
+        int nr;
+    
+        fds.fd = fd;
+        fds.events = POLLIN;
+        fds.revents = 0;
+        nr = poll(&fds, 1, -1);
+     
+        if(nr > 0 && fds.revents == POLLIN) {
+            int count = recv(fd, buffer, buffer_length, 0);
+            if (count > 0) {
+                return count;
+            } 
+        }
+    }
+    
+    // won't get here
+    return 0;
+}
diff --git a/uevent/uevent_stub.c b/uevent/uevent_stub.c
new file mode 100644
index 0000000..62cc7a1
--- /dev/null
+++ b/uevent/uevent_stub.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hardware/uevent.h>
+#include <unistd.h>
+
+int uevent_init()
+{
+    return 1;
+}
+
+int uevent_next_event(char* buffer, int buffer_length)
+{
+    while (1) {
+        sleep(10000);
+    }
+    
+    // won't get here
+    return 0;
+}
diff --git a/vibrator/Android.mk b/vibrator/Android.mk
new file mode 100644
index 0000000..6681f84
--- /dev/null
+++ b/vibrator/Android.mk
@@ -0,0 +1,4 @@
+# Copyright 2006 The Android Open Source Project
+
+LOCAL_SRC_FILES += vibrator/vibrator.c
+
diff --git a/vibrator/vibrator.c b/vibrator/vibrator.c
new file mode 100644
index 0000000..fcea21c
--- /dev/null
+++ b/vibrator/vibrator.c
@@ -0,0 +1,36 @@
+#include <hardware/vibrator.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define THE_DEVICE "/sys/class/timed_output/vibrator/enable"
+
+static int sendit(int timeout_ms)
+{
+    int nwr, ret, fd;
+    char value[20];
+
+    fd = open(THE_DEVICE, O_RDWR);
+    if(fd < 0)
+        return errno;
+
+    nwr = sprintf(value, "%d\n", timeout_ms);
+    ret = write(fd, value, nwr);
+
+    close(fd);
+
+    return (ret == nwr) ? 0 : -1;
+}
+
+int vibrator_on()
+{
+    /* constant on, up to maximum allowed time */
+    return sendit(-1);
+}
+
+int vibrator_off()
+{
+    return sendit(0);
+}
diff --git a/wifi/Android.mk b/wifi/Android.mk
new file mode 100644
index 0000000..8444a40
--- /dev/null
+++ b/wifi/Android.mk
@@ -0,0 +1,5 @@
+# Copyright 2006 The Android Open Source Project
+
+LOCAL_SRC_FILES += wifi/wifi.c
+
+LOCAL_SHARED_LIBRARIES += libnetutils
diff --git a/wifi/wifi.c b/wifi/wifi.c
new file mode 100644
index 0000000..68b1a1e
--- /dev/null
+++ b/wifi/wifi.c
@@ -0,0 +1,399 @@
+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+#include "hardware/wifi.h"
+#include "libwpa_client/wpa_ctrl.h"
+
+#define LOG_TAG "WifiHW"
+#include "cutils/log.h"
+#include "cutils/memory.h"
+#include "cutils/misc.h"
+#include "cutils/properties.h"
+#include "private/android_filesystem_config.h"
+
+static struct wpa_ctrl *ctrl_conn;
+static struct wpa_ctrl *monitor_conn;
+
+extern int do_dhcp();
+extern int ifc_init();
+extern void ifc_close();
+extern char *dhcp_lasterror();
+extern void get_dhcp_info();
+extern int init_module(void *, unsigned long, const char *);
+extern int delete_module(const char *, unsigned int);
+
+static char iface[PROPERTY_VALUE_MAX];
+// TODO: use new ANDROID_SOCKET mechanism, once support for multiple
+// sockets is in
+
+static const char IFACE_DIR[]           = "/data/system/wpa_supplicant";
+static const char DRIVER_MODULE_NAME[]  = "wlan";
+static const char DRIVER_MODULE_TAG[]   = "wlan ";
+static const char DRIVER_MODULE_PATH[]  = "/system/lib/modules/wlan.ko";
+static const char FIRMWARE_LOADER[]     = "wlan_loader";
+static const char DRIVER_PROP_NAME[]    = "wlan.driver.status";
+static const char SUPPLICANT_NAME[]     = "wpa_supplicant";
+static const char SUPP_PROP_NAME[]      = "init.svc.wpa_supplicant";
+static const char SUPP_CONFIG_TEMPLATE[]= "/system/etc/wifi/wpa_supplicant.conf";
+static const char SUPP_CONFIG_FILE[]    = "/data/misc/wifi/wpa_supplicant.conf";
+static const char MODULE_FILE[]         = "/proc/modules";
+
+static int insmod(const char *filename)
+{
+    void *module;
+    unsigned int size;
+    int ret;
+
+    module = load_file(filename, &size);
+    if (!module)
+        return -1;
+
+    ret = init_module(module, size, "");
+
+    free(module);
+
+    return ret;
+}
+
+static int rmmod(const char *modname)
+{
+    int ret = -1;
+    int maxtry = 10;
+
+    while (maxtry-- > 0) {
+        ret = delete_module(modname, O_NONBLOCK | O_EXCL);
+        if (ret < 0 && errno == EAGAIN)
+            usleep(500000);
+        else
+            break;
+    }
+
+    if (ret != 0)
+        LOGD("Unable to unload driver module \"%s\": %s\n",
+             modname, strerror(errno));
+    return ret;
+}
+
+int do_dhcp_request(int *ipaddr, int *gateway, int *mask,
+                    int *dns1, int *dns2, int *server, int *lease) {
+    /* For test driver, always report success */
+    if (strcmp(iface, "sta") == 0)
+        return 0;
+
+    if (ifc_init() < 0)
+        return -1;
+
+    if (do_dhcp(iface) < 0) {
+        ifc_close();
+        return -1;
+    }
+    ifc_close();
+    get_dhcp_info(ipaddr, gateway, mask, dns1, dns2, server, lease);
+    return 0;
+}
+
+const char *get_dhcp_error_string() {
+    return dhcp_lasterror();
+}
+
+static int check_driver_loaded() {
+    char driver_status[PROPERTY_VALUE_MAX];
+    FILE *proc;
+    char line[sizeof(DRIVER_MODULE_TAG)+10];
+
+    if (!property_get(DRIVER_PROP_NAME, driver_status, NULL)
+            || strcmp(driver_status, "ok") != 0) {
+        return 0;  /* driver not loaded */
+    }
+    /*
+     * If the property says the driver is loaded, check to
+     * make sure that the property setting isn't just left
+     * over from a previous manual shutdown or a runtime
+     * crash.
+     */
+    if ((proc = fopen(MODULE_FILE, "r")) == NULL) {
+        LOGW("Could not open %s: %s", MODULE_FILE, strerror(errno));
+        return 0;
+    }
+    while ((fgets(line, sizeof(line), proc)) != NULL) {
+        if (strncmp(line, DRIVER_MODULE_TAG, strlen(DRIVER_MODULE_TAG)) == 0) {
+            fclose(proc);
+            return 1;
+        }
+    }
+    fclose(proc);
+    property_set(DRIVER_PROP_NAME, "unloaded");
+    return 0;
+}
+
+int wifi_load_driver()
+{
+    char driver_status[PROPERTY_VALUE_MAX];
+    int count = 40; /* wait at most 20 seconds for completion */
+
+    if (check_driver_loaded()) {
+        return 0;
+    }
+    insmod(DRIVER_MODULE_PATH);
+    property_set("ctl.start", FIRMWARE_LOADER);
+    while (count-- > 0) {
+        usleep(500000);
+        if (property_get(DRIVER_PROP_NAME, driver_status, NULL)) {
+            if (strcmp(driver_status, "ok") == 0)
+                return 0;
+            else if (strcmp(DRIVER_PROP_NAME, "failed") == 0)
+                return -1;
+        }
+    }
+    property_set(DRIVER_PROP_NAME, "timeout");
+    return -1;
+}
+
+int wifi_unload_driver()
+{
+    if (rmmod(DRIVER_MODULE_NAME) == 0) {
+        usleep(1000000);
+        property_set(DRIVER_PROP_NAME, "unloaded");
+        return 0;
+    } else
+        return -1;
+}
+
+static int control_supplicant(int startIt)
+{
+    char supp_status[PROPERTY_VALUE_MAX] = {'\0'};
+    const char *ctrl_prop = (startIt ? "ctl.start" : "ctl.stop");
+    const char *desired_status = (startIt ? "running" : "stopped");
+    int count = 20; /* wait at most 20 seconds for completion */
+
+    if (property_get(SUPP_PROP_NAME, supp_status, NULL)
+        && strcmp(supp_status, desired_status) == 0) {
+        return 0;  /* supplicant already running */
+    }
+    property_set(ctrl_prop, SUPPLICANT_NAME);
+
+    while (count-- > 0) {
+        usleep(1000000);
+        if (property_get(SUPP_PROP_NAME, supp_status, NULL)) {
+            if (strcmp(supp_status, desired_status) == 0)
+                return 0;
+        }
+    }
+    return -1;
+}
+
+int ensure_config_file_exists()
+{
+    char buf[2048];
+    int srcfd, destfd;
+    int nread;
+
+    if (access(SUPP_CONFIG_FILE, R_OK|W_OK) == 0) {
+        return 0;
+    } else if (errno != ENOENT) {
+        LOGE("Cannot access \"%s\": %s", SUPP_CONFIG_FILE, strerror(errno));
+        return -1;
+    }
+
+    srcfd = open(SUPP_CONFIG_TEMPLATE, O_RDONLY);
+    if (srcfd < 0) {
+        LOGE("Cannot open \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno));
+        return -1;
+    }
+
+    destfd = open(SUPP_CONFIG_FILE, O_CREAT|O_WRONLY, 0660);
+    if (destfd < 0) {
+        close(srcfd);
+        LOGE("Cannot create \"%s\": %s", SUPP_CONFIG_FILE, strerror(errno));
+        return -1;
+    }
+
+    while ((nread = read(srcfd, buf, sizeof(buf))) != 0) {
+        if (nread < 0) {
+            LOGE("Error reading \"%s\": %s", SUPP_CONFIG_TEMPLATE, strerror(errno));
+            close(srcfd);
+            close(destfd);
+            unlink(SUPP_CONFIG_FILE);
+            return -1;
+        }
+        write(destfd, buf, nread);
+    }
+
+    close(destfd);
+    close(srcfd);
+
+    if (chown(SUPP_CONFIG_FILE, AID_SYSTEM, AID_WIFI) < 0) {
+        LOGE("Error changing group ownership of %s to %d: %s",
+             SUPP_CONFIG_FILE, AID_WIFI, strerror(errno));
+        unlink(SUPP_CONFIG_FILE);
+        return -1;
+    }
+    return 0;
+}
+
+int wifi_start_supplicant()
+{
+    /* Before starting the daemon, make sure its config file exists */
+    if (ensure_config_file_exists() < 0) {
+        LOGE("Wi-Fi will not be enabled");
+        return -1;
+    }
+    return control_supplicant(1);
+}
+
+int wifi_stop_supplicant()
+{
+    return control_supplicant(0);
+}
+
+int wifi_connect_to_supplicant()
+{
+    char ifname[256];
+    static int cleaned_up = 0;
+
+    property_get("wifi.interface", iface, "sta");
+
+    if (access(IFACE_DIR, F_OK) == 0) {
+        snprintf(ifname, sizeof(ifname), "%s/%s", IFACE_DIR, iface);
+    } else {
+        strlcpy(ifname, iface, sizeof(ifname));
+    }
+
+    ctrl_conn = wpa_ctrl_open(ifname);
+    if (ctrl_conn == NULL) {
+        LOGD("Unable to open connection to supplicant on \"%s\": %s",
+             ifname, strerror(errno));
+        /*
+         * errno == ENOENT means the supplicant daemon isn't
+         * running. Take this opportunity to clear out any
+         * stale socket files that might be left over. Note
+         * there's a possible race with the command line client
+         * trying to connect to the daemon, but it would require
+         * that the supplicant be started and the command line
+         * client connect to it during the window between the
+         * error check and the removal of the files. And in
+         * any event, the remedy is that the user would simply
+         * have to run the command line program again.
+         */
+        if (!cleaned_up && (errno == ENOENT || errno == EADDRINUSE)) {
+            cleaned_up = 1; /* do this just once */
+            wpa_ctrl_cleanup();
+        }
+        return -1;
+    }
+    monitor_conn = wpa_ctrl_open(ifname);
+    if (monitor_conn == NULL) {
+        wpa_ctrl_close(ctrl_conn);
+        ctrl_conn = NULL;
+        return -1;
+    }
+    if (wpa_ctrl_attach(monitor_conn) != 0) {
+        wpa_ctrl_close(monitor_conn);
+        wpa_ctrl_close(ctrl_conn);
+        ctrl_conn = monitor_conn = NULL;
+        return -1;
+    }
+    return 0;
+}
+
+int wifi_send_command(struct wpa_ctrl *ctrl, const char *cmd, char *reply, size_t *reply_len)
+{
+    int ret;
+
+    if (ctrl_conn == NULL) {
+        LOGV("Not connected to wpa_supplicant - \"%s\" command dropped.\n", cmd);
+        return -1;
+    }
+    ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), reply, reply_len, NULL);
+    if (ret == -2) {
+        LOGD("'%s' command timed out.\n", cmd);
+        return -2;
+    } else if (ret < 0 || strncmp(reply, "FAIL", 4) == 0) {
+        return -1;
+    }
+    if (strncmp(cmd, "PING", 4) == 0) {
+        reply[*reply_len] = '\0';
+    }
+    return 0;
+}
+
+int wifi_wait_for_event(char *buf, size_t buflen)
+{
+    size_t nread = buflen - 1;
+    int fd;
+    fd_set rfds;
+    int result;
+    struct timeval tval;
+    struct timeval *tptr;
+    
+    if (monitor_conn == NULL)
+        return 0;
+
+    result = wpa_ctrl_recv(monitor_conn, buf, &nread);
+    if (result < 0) {
+        LOGD("wpa_ctrl_recv failed: %s\n", strerror(errno));
+        return -1;
+    }
+    buf[nread] = '\0';
+    /* LOGD("wait_for_event: result=%d nread=%d string=\"%s\"\n", result, nread, buf); */
+    /* Check for EOF on the socket */
+    if (result == 0 && nread == 0) {
+        /* Fabricate an event to pass up */
+        LOGD("Received EOF on supplicant socket\n");
+        strncpy(buf, WPA_EVENT_TERMINATING " - signal 0 received", buflen-1);
+        buf[buflen-1] = '\0';
+        return strlen(buf);
+    }
+    /*
+     * Events strings are in the format
+     *
+     *     <N>CTRL-EVENT-XXX 
+     *
+     * where N is the message level in numerical form (0=VERBOSE, 1=DEBUG,
+     * etc.) and XXX is the event name. The level information is not useful
+     * to us, so strip it off.
+     */
+    if (buf[0] == '<') {
+        char *match = strchr(buf, '>');
+        if (match != NULL) {
+            nread -= (match+1-buf);
+            memmove(buf, match+1, nread+1);
+        }
+    }
+    return nread;
+}
+
+void wifi_close_supplicant_connection()
+{
+    if (ctrl_conn != NULL) {
+        wpa_ctrl_close(ctrl_conn);
+        ctrl_conn = NULL;
+    }
+    if (monitor_conn != NULL) {
+        wpa_ctrl_close(monitor_conn);
+        monitor_conn = NULL;
+    }
+}
+
+int wifi_command(const char *command, char *reply, size_t *reply_len)
+{
+    return wifi_send_command(ctrl_conn, command, reply, reply_len);
+}