r4516 - in developers/raster: . ompower
raster at docs.openmoko.org
raster at docs.openmoko.org
Tue Jul 8 15:48:00 CEST 2008
Author: raster
Date: 2008-07-08 15:48:00 +0200 (Tue, 08 Jul 2008)
New Revision: 4516
Added:
developers/raster/ompower/
developers/raster/ompower/AUTHORS
developers/raster/ompower/COPYING
developers/raster/ompower/Makefile.am
developers/raster/ompower/README
developers/raster/ompower/autogen.sh
developers/raster/ompower/configure.in
developers/raster/ompower/m4/
developers/raster/ompower/main.c
developers/raster/ompower/main.h
developers/raster/ompower/ompower.conf
developers/raster/ompower/power.c
developers/raster/ompower/resource.c
Log:
add ompower...
Added: developers/raster/ompower/AUTHORS
===================================================================
--- developers/raster/ompower/AUTHORS (rev 0)
+++ developers/raster/ompower/AUTHORS 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1 @@
+Carsten Haitzler <raster at openmoko.org>
Added: developers/raster/ompower/COPYING
===================================================================
--- developers/raster/ompower/COPYING (rev 0)
+++ developers/raster/ompower/COPYING 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,340 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
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+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
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+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
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+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
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+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
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+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
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+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
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+You may charge a fee for the physical act of transferring a copy, and
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+ 2. You may modify your copy or copies of the Program or any portion
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+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
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+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+
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+
+If the program is interactive, make it output a short notice like this
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+
+ Gnomovision version 69, Copyright (C) year name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
Added: developers/raster/ompower/Makefile.am
===================================================================
--- developers/raster/ompower/Makefile.am (rev 0)
+++ developers/raster/ompower/Makefile.am 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,20 @@
+ACLOCAL_AMFLAGS = -I m4
+MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
+ config.sub configure depcomp install-sh ltmain.sh \
+ missing config.rpath mkinstalldirs
+
+INCLUDES = -I. \
+ -I$(top_srcdir) \
+ @ECORE_CFLAGS@ \
+ @E_DBUS_CFLAGS@
+
+
+bin_PROGRAMS = ompower
+
+ompower_SOURCES = main.h main.c power.c resource.c
+ompower_LDFLAGS = @ECORE_LIBS@ @E_DBUS_LIBS@
+
+dbuscfgdir = $(sysconfdir)/dbus-1/system.d
+dbuscfg_DATA = ompower.conf
+
+EXTRA_DIST = $(dbuscfg_DATA)
Added: developers/raster/ompower/README
===================================================================
--- developers/raster/ompower/README (rev 0)
+++ developers/raster/ompower/README 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1 @@
+This is a basic power manager (suspend/resume and other things later).
Added: developers/raster/ompower/autogen.sh
===================================================================
--- developers/raster/ompower/autogen.sh (rev 0)
+++ developers/raster/ompower/autogen.sh 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+rm -rf autom4te.cache
+rm -f aclocal.m4 ltmain.sh
+
+touch README
+
+echo "Running autopoint..." ; autopoint -f || :
+echo "Running aclocal..." ; aclocal $ACLOCAL_FLAGS -I m4 || exit 1
+echo "Running autoheader..." ; autoheader || exit 1
+echo "Running autoconf..." ; autoconf || exit 1
+echo "Running libtoolize..." ; (libtoolize --copy --automake || glibtoolize --automake) || exit 1
+echo "Running automake..." ; automake --add-missing --copy --gnu || exit 1
+echo "Generating gettext net.pot template"; \
+xgettext \
+--output illume.pot \
+--output-dir=po \
+--language=C \
+--add-location \
+--keyword=D_ \
+--sort-by-file \
+--copyright-holder="Openmoko" \
+--foreign-user \
+`find . -name "*.[ch]" -print` || exit 1
+
+if [ -z "$NOCONFIGURE" ]; then
+ ./configure "$@"
+fi
Property changes on: developers/raster/ompower/autogen.sh
___________________________________________________________________
Name: svn:executable
+ *
Added: developers/raster/ompower/configure.in
===================================================================
--- developers/raster/ompower/configure.in (rev 0)
+++ developers/raster/ompower/configure.in 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,21 @@
+rm -f config.cache
+
+AC_PREREQ(2.59)
+AC_INIT([ompower], [0.0.0], [raster at openmoko.org])
+AC_CONFIG_HEADERS(config.h)
+AC_CONFIG_MACRO_DIR([m4])
+AM_INIT_AUTOMAKE([1.8 foreign])
+
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+
+AC_PROG_CC
+AM_PROG_LIBTOOL
+AC_HEADER_STDC
+
+PKG_CHECK_MODULES(ECORE, ecore)
+PKG_CHECK_MODULES(E_DBUS, edbus)
+
+AC_OUTPUT([
+Makefile
+],[])
Added: developers/raster/ompower/main.c
===================================================================
--- developers/raster/ompower/main.c (rev 0)
+++ developers/raster/ompower/main.c 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,243 @@
+#include "main.h"
+
+static int debug = 0;
+
+#define DBG(args...) if (debug) fprintf(stderr, ##args)
+
+static debug_dump_res_states(Resource *r)
+{
+ int i;
+
+ if (!debug) return;
+ fprintf(stderr, "Resource states for \"%s\"\n", r->res);
+ for (i = 0; i < r->reqs_num; i++)
+ fprintf(stderr, " \"%s\" -> \"%s\"\n", r->reqs[i].src, r->reqs[i].state);
+}
+
+static Resource *res_cpu = NULL;
+
+static void
+res_init(void)
+{
+ res_cpu = resource_init("cpu");
+}
+
+static void
+res_cpu_state_eval(void)
+{
+ const char *state;
+
+ state = resource_evaluate(res_cpu);
+ if (!state) return;
+ if (!strcmp(state, "off"))
+ {
+ DBG("action: State evaluation of \"cpu\" demands suspend. Suspending\n");
+ cpu_suspend();
+ DBG("action: End Suspend/off state of \"cpu\"\n");
+ DBG("action: Clearing requested states of \"cpu\"\n");
+ resource_state_requests_clear(res_cpu);
+ DBG("action: Cleared requested states of \"cpu\"\n");
+ }
+}
+
+static void
+res_state_req_add(const char *res, const char *src, const char *state)
+{
+ if (strcmp(res, "cpu")) return;
+ if (resource_state_request_add(res_cpu, src, state))
+ {
+ debug_dump_res_states(res_cpu);
+ res_cpu_state_eval();
+ }
+ else
+ debug_dump_res_states(res_cpu);
+}
+
+static void
+res_state_req_del(const char *res, const char *src)
+{
+ if (strcmp(res, "cpu")) return;
+ if (resource_state_request_del(res_cpu, src))
+ {
+ debug_dump_res_states(res_cpu);
+ res_cpu_state_eval();
+ }
+ else
+ debug_dump_res_states(res_cpu);
+}
+
+static const char *
+res_state_get(const char *res)
+{
+ if (strcmp(res, "cpu")) return "unknown";
+ debug_dump_res_states(res_cpu);
+ return "on";
+}
+
+#define SERVICE_NAME "org.openmoko.Power"
+#define SERVICE_PATH "/"
+#define SERVICE_IFACE "Core"
+
+static E_DBus_Connection *conn = NULL;
+static E_DBus_Object *obj = NULL;
+
+static DBusMessage *
+_req_ListResources(E_DBus_Object *obj, DBusMessage *msg)
+{
+ DBusMessage *reply;
+ DBusMessageIter iter, array, item;
+ const char *str;
+
+ // (only 1 resource supported right now) list:
+ // cpu
+ DBG("request: ListResources\n");
+ reply = dbus_message_new_method_return(msg);
+ dbus_message_iter_init_append(reply, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(s)", &array);
+
+ dbus_message_iter_open_container(&array, DBUS_TYPE_STRUCT, NULL, &item);
+ str = "cpu";
+ dbus_message_iter_append_basic(&item, DBUS_TYPE_STRING, &(str));
+ dbus_message_iter_close_container(&array, &item);
+
+ dbus_message_iter_close_container(&iter, &array);
+ return reply;
+}
+
+static DBusMessage *
+_req_GetResourceState(E_DBus_Object *obj, DBusMessage *msg)
+{
+ DBusMessage *reply;
+ DBusMessageIter iter;
+ const char *res = NULL;
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_get_basic(&iter, &res);
+
+ reply = dbus_message_new_method_return(msg);
+ DBG("request: GetResourceState(\"%s\")\n", res);
+ if (res)
+ {
+ const char *state = NULL;
+
+ state = res_state_get(res);
+ if (state)
+ {
+ dbus_message_iter_init_append(reply, &iter);
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &state);
+ }
+ }
+ return reply;
+}
+
+static DBusMessage *
+_req_RequestResourceState(E_DBus_Object *obj, DBusMessage *msg)
+{
+ DBusMessageIter iter;
+ const char *res = NULL, *src = NULL, *state = NULL;
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_get_basic(&iter, &res);
+ dbus_message_iter_next(&iter);
+ dbus_message_iter_get_basic(&iter, &src);
+ dbus_message_iter_next(&iter);
+ dbus_message_iter_get_basic(&iter, &state);
+ DBG("request: RequestResourceState(\"%s\", \"%s\", \"%s\")\n", res, src, state);
+ if (res && src && state)
+ res_state_req_add(res, src, state);
+ return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *
+_req_RemoveRequestedResourceState(E_DBus_Object *obj, DBusMessage *msg)
+{
+ DBusMessageIter iter;
+ const char *res = NULL, *src = NULL;
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_get_basic(&iter, &res);
+ dbus_message_iter_next(&iter);
+ dbus_message_iter_get_basic(&iter, &src);
+ DBG("request: RemoveRequestedResourceState(\"%s\", \"%s\")\n", res, src);
+ if (res && src)
+ res_state_req_del(res, src);
+ return dbus_message_new_method_return(msg);
+}
+
+static void
+_request_service(void *data, DBusMessage *msg, DBusError *err)
+{
+ E_DBus_Interface *iface;
+
+ if (dbus_error_is_set(err))
+ {
+ fprintf(stderr, "%s\n", err->message);
+ exit(-1);
+ }
+ DBG("Init interface\n");
+ obj = e_dbus_object_add(conn, SERVICE_PATH, NULL);
+ iface = e_dbus_interface_new(SERVICE_NAME"."SERVICE_IFACE);
+
+ e_dbus_interface_method_add(iface, "ListResources", "", "a(s)", _req_ListResources);
+ e_dbus_interface_method_add(iface, "GetResourceState", "s", "s", _req_GetResourceState);
+ e_dbus_interface_method_add(iface, "RequestResourceState", "sss", "", _req_RequestResourceState);
+ e_dbus_interface_method_add(iface, "RemoveRequestedResourceState", "ss", "", _req_RemoveRequestedResourceState);
+
+ e_dbus_object_interface_attach(obj, iface);
+
+ DBG("Init resource\n");
+ res_init();
+}
+
+static void
+_declare_iface(E_DBus_Connection *c)
+{
+ conn = c;
+ e_dbus_request_name(conn, SERVICE_NAME, 0, _request_service, NULL);
+}
+
+int
+main(int argc, char **argv)
+{
+ E_DBus_Connection *c;
+ int i;
+
+ for (i = 0; i < argc; i++)
+ {
+ if (!strcmp(argv[i], "-h"))
+ {
+ printf("Usage:\n"
+ " -h This help\n"
+ " -d Enable debugging\n");
+ exit(0);
+ }
+ else if (!strcmp(argv[i], "-d"))
+ {
+ debug = 1;
+ }
+ }
+
+ ecore_init();
+ ecore_string_init();
+ ecore_app_args_set(argc, (const char **)argv);
+ e_dbus_init();
+
+ c = e_dbus_bus_get(DBUS_BUS_SYSTEM);
+ if (!c)
+ {
+ fprintf(stderr, "ERROR: can't connect to system session\n");
+ exit(-1);
+ }
+
+ _declare_iface(c);
+
+ DBG("Beginning main loop\n");
+ ecore_main_loop_begin();
+
+ e_dbus_connection_close(c);
+ e_dbus_shutdown();
+ ecore_string_shutdown();
+ ecore_shutdown();
+
+ return 0;
+}
Added: developers/raster/ompower/main.h
===================================================================
--- developers/raster/ompower/main.h (rev 0)
+++ developers/raster/ompower/main.h 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,34 @@
+#include "config.h"
+#include <Ecore.h>
+#include <E_DBus.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+void screen_off(void);
+void screen_on(void);
+void cpu_suspend(void);
+
+typedef struct
+{
+ char *src, *state;
+} Resource_Request;
+
+typedef struct
+{
+ const char *res;
+ int reqs_num;
+ Resource_Request *reqs;
+} Resource;
+
+Resource *resource_init(const char *res);
+int resource_state_request_add(Resource *r, const char *src, const char *state);
+int resource_state_request_del(Resource *r, const char *src);
+const char *resource_evaluate(Resource *r);
+void resource_state_requests_clear(Resource *r);
+
Added: developers/raster/ompower/ompower.conf
===================================================================
--- developers/raster/ompower/ompower.conf (rev 0)
+++ developers/raster/ompower/ompower.conf 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,20 @@
+<!DOCTYPE busconfig PUBLIC
+ "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<busconfig>
+ <policy user="root">
+ <allow own="org.openmoko.Power"/>
+
+ <allow send_destination="org.openmoko.Power"/>
+ <allow send_interface="org.openmoko.Power"/>
+ </policy>
+ <policy at_console="true">
+ <allow send_destination="org.openmoko.Power"/>
+ <allow send_interface="org.openmoko.Power"/>
+ </policy>
+ <policy context="default">
+ <deny own="org.openmoko.Power"/>
+ <deny send_destination="org.openmoko.Power"/>
+ <deny send_interface="org.openmoko.Power"/>
+ </policy>
+</busconfig>
Added: developers/raster/ompower/power.c
===================================================================
--- developers/raster/ompower/power.c (rev 0)
+++ developers/raster/ompower/power.c 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,53 @@
+#include "main.h"
+
+void
+screen_off(void)
+{
+ // turn off backlight
+ int fd;
+ const char *string = "1\n";
+
+// putenv("DISPLAY=:0");
+ // hack - force activate screensaver
+// system("xset s activate");
+ fd = open("/sys/devices/platform/s3c2440-i2c/i2c-adapter/i2c-0/0-0073/backlight/pcf50633-bl", O_RDWR);
+ if (fd >= 0)
+ {
+ write(fd, string, sizeof(string));
+ close(fd);
+ }
+}
+
+void
+screen_on(void)
+{
+ // turn backlight on
+ int fd;
+ const char *string = "0\n";
+
+ fd = open("/sys/devices/platform/s3c2440-i2c/i2c-adapter/i2c-0/0-0073/backlight/pcf50633-bl", O_RDWR);
+ if (fd >= 0)
+ {
+ write(fd, string, sizeof(string));
+ close(fd);
+ }
+ putenv("DISPLAY=:0");
+ // hack - reset x screesanver
+ system("xset s reset");
+}
+
+void
+cpu_suspend(void)
+{
+ int manual_resume = 0;
+
+ screen_off();
+ system("apm -s");
+
+ // we resumed - find out why
+ manual_resume = 1;
+
+ if (manual_resume)
+ screen_on();
+}
+
Added: developers/raster/ompower/resource.c
===================================================================
--- developers/raster/ompower/resource.c (rev 0)
+++ developers/raster/ompower/resource.c 2008-07-08 13:48:00 UTC (rev 4516)
@@ -0,0 +1,92 @@
+#include "main.h"
+
+Resource *
+resource_init(const char *res)
+{
+ Resource *r;
+
+ r = calloc(1, sizeof(Resource));
+ r->res = strdup(res);
+ return r;
+}
+
+int
+resource_state_request_add(Resource *r, const char *src, const char *state)
+{
+ int i;
+
+ for (i = 0; i < r->reqs_num; i++)
+ {
+ if (!strcmp(r->reqs[i].src, src))
+ {
+ if (!strcmp(r->reqs[i].state, state))
+ return 0;
+ free(r->reqs[i].state);
+ r->reqs[i].state = strdup(state);
+ return 1;
+ }
+ }
+ r->reqs_num++;
+ r->reqs = realloc(r->reqs, r->reqs_num * sizeof(Resource_Request));
+ r->reqs[r->reqs_num - 1].src = strdup(src);
+ r->reqs[r->reqs_num - 1].state = strdup(state);
+ return 1;
+}
+
+int
+resource_state_request_del(Resource *r, const char *src)
+{
+ int i;
+
+ for (i = 0; i < r->reqs_num; i++)
+ {
+ if (!strcmp(r->reqs[i].src, src))
+ {
+ free(r->reqs[i].src);
+ free(r->reqs[i].state);
+ r->reqs_num--;
+ for (; i < r->reqs_num; i++)
+ {
+ r->reqs[i] = r->reqs[i + 1];
+ }
+ r->reqs = realloc(r->reqs, r->reqs_num * sizeof(Resource_Request));
+ return 1;
+ }
+ }
+ return 0;
+}
+
+const char *
+resource_evaluate(Resource *r)
+{
+ int i;
+ const char *state = "nothing";
+
+ for (i = 0; i < r->reqs_num; i++)
+ {
+ if (!strcmp(r->reqs[i].state, "on"))
+ return "on";
+ else if (!strcmp(r->reqs[i].state, "off"))
+ state = "off";
+ }
+ return state;
+}
+
+void
+resource_state_requests_clear(Resource *r)
+{
+ int i;
+ const char *state = "nothing";
+
+ if (r->reqs)
+ {
+ for (i = 0; i < r->reqs_num; i++)
+ {
+ free(r->reqs[i].src);
+ free(r->reqs[i].state);
+ }
+ free(r->reqs);
+ r->reqs = NULL;
+ }
+ r->reqs_num = 0;
+}
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