Adding upstream version 2.15.upstream/2.15upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/src/devices/alsa.cpp b/src/devices/alsa.cpp
new file mode 100644
index 0000000..7e22975
--- /dev/null
+++ b/src/devices/alsa.cpp
@@ -0,0 +1,207 @@
+/*
+ * Copyright 2010, Intel Corporation
+ *
+ * This file is part of PowerTOP
+ *
+ * This program file 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; version 2 of the License.
+ *
+ * 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 in a file named COPYING; if not, write to the
+ * Free Software Foundation, Inc,
+ * 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ * or just google for it.
+ *
+ * Authors:
+ *	Arjan van de Ven <arjan@linux.intel.com>
+ */
+#include <iostream>
+#include <fstream>
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+using namespace std;
+
+#include "device.h"
+#include "alsa.h"
+#include "../parameters/parameters.h"
+
+#include "../devlist.h"
+
+#include <string.h>
+#include <unistd.h>
+
+alsa::alsa(const char *_name, const char *path): device()
+{
+	ifstream file;
+
+	char devname[4096];
+	char model[4096];
+	char vendor[4096];
+	end_active = 0;
+	start_active = 0;
+	end_inactive = 0;
+	start_inactive = 0;
+	pt_strcpy(sysfs_path, path);
+
+	snprintf(devname, sizeof(devname), "alsa:%s", _name);
+	snprintf(humanname, sizeof(humanname), "alsa:%s", _name);
+	pt_strcpy(name, devname);
+	rindex = get_result_index(name);
+
+	guilty[0] = 0;
+	model[0] = 0;
+	vendor[0] = 0;
+	snprintf(devname, sizeof(devname), "%s/modelname", path);
+	file.open(devname);
+	if (file) {
+		file.getline(model, sizeof(model));
+		file.close();
+	}
+	snprintf(devname, sizeof(devname), "%s/vendor_name", path);
+	file.open(devname);
+	if (file) {
+		file.getline(vendor, sizeof(vendor));
+		file.close();
+	}
+	if (strlen(model) && strlen(vendor))
+		snprintf(humanname, sizeof(humanname), _("Audio codec %s: %s (%s)"), name, model, vendor);
+	else if (strlen(model))
+		snprintf(humanname, sizeof(humanname), _("Audio codec %s: %s"), _name, model);
+	else if (strlen(vendor))
+		snprintf(humanname, sizeof(humanname), _("Audio codec %s: %s"), _name, vendor);
+}
+
+void alsa::start_measurement(void)
+{
+	char filename[PATH_MAX];
+	ifstream file;
+
+	snprintf(filename, sizeof(filename), "%s/power_off_acct", sysfs_path);
+	try {
+		file.open(filename, ios::in);
+		if (file) {
+			file >> start_inactive;
+		}
+		file.close();
+		snprintf(filename, sizeof(filename), "%s/power_on_acct", sysfs_path);
+		file.open(filename, ios::in);
+
+		if (file) {
+			file >> start_active;
+		}
+		file.close();
+	}
+	catch (std::ios_base::failure &c) {
+		fprintf(stderr, "%s\n", c.what());
+	}
+}
+
+void alsa::end_measurement(void)
+{
+	char filename[PATH_MAX];
+	ifstream file;
+	double p;
+
+	snprintf(filename, sizeof(filename), "%s/power_off_acct", sysfs_path);
+	try {
+		file.open(filename, ios::in);
+		if (file) {
+			file >> end_inactive;
+		}
+		file.close();
+		snprintf(filename, sizeof(filename), "%s/power_on_acct", sysfs_path);
+		file.open(filename, ios::in);
+
+		if (file) {
+			file >> end_active;
+		}
+		file.close();
+	}
+	catch (std::ios_base::failure &c) {
+		fprintf(stderr, "%s\n", c.what());
+	}
+
+	p = (end_active - start_active) / (0.001 + end_active + end_inactive - start_active - start_inactive) * 100.0;
+	report_utilization(name, p);
+}
+
+
+double alsa::utilization(void)
+{
+	double p;
+
+	p = (end_active - start_active) / (0.001 + end_active - start_active + end_inactive - start_inactive) * 100.0;
+
+	return p;
+}
+
+const char * alsa::device_name(void)
+{
+	return name;
+}
+
+static void create_all_alsa_callback(const char *d_name)
+{
+	char filename[PATH_MAX];
+	class alsa *bl;
+
+	if (strncmp(d_name, "hwC", 3) != 0)
+		return;
+
+	snprintf(filename, sizeof(filename), "/sys/class/sound/%s/power_on_acct", d_name);
+	if (access(filename, R_OK) != 0)
+		return;
+
+	snprintf(filename, sizeof(filename), "/sys/class/sound/%s", d_name);
+	bl = new class alsa(d_name, filename);
+	all_devices.push_back(bl);
+	register_parameter("alsa-codec-power", 0.5);
+}
+
+void create_all_alsa(void)
+{
+	process_directory("/sys/class/sound/", create_all_alsa_callback);
+}
+
+double alsa::power_usage(struct result_bundle *result, struct parameter_bundle *bundle)
+{
+	double power;
+	double factor;
+	double util;
+	static int index = 0;
+
+	power = 0;
+	if (!index)
+		index = get_param_index("alsa-codec-power");
+
+	factor = get_parameter_value(index, bundle);
+
+	util = get_result_value(rindex, result);
+
+	power += util * factor / 100.0;
+
+	return power;
+}
+
+void alsa::register_power_with_devlist(struct result_bundle *results, struct parameter_bundle *bundle)
+{
+	register_devpower(&name[7], power_usage(results, bundle), this);
+}
+
+const char * alsa::human_name(void)
+{
+	pt_strcpy(temp_buf, humanname);
+	if (strlen(guilty) > 0)
+		snprintf(temp_buf, sizeof(temp_buf), "%s (%s)", humanname, guilty);
+	return temp_buf;
+}