--- /dev/null
+From 8000c07da38b5d0a5571542fa04abd63939e698c Mon Sep 17 00:00:00 2001
+From: Koen Kooi <koen@dominion.thruhere.net>
+Date: Wed, 27 Jan 2010 08:58:42 +0100
+Subject: [PATCH] powertop: add support for TI OMAP cstates
+
+* based on a TI patch found in a wiki, rediffed against svn
+---
+ Makefile | 2 +-
+ cpufreqstats.c | 2 +-
+ display.c | 17 ++++++++------
+ omapcstates.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ powertop.c | 12 +++++++--
+ powertop.h | 18 +++++++++++++-
+ 6 files changed, 102 insertions(+), 14 deletions(-)
+ create mode 100644 omapcstates.c
+
+diff --git a/Makefile b/Makefile
+index 68a0cb7..05f73aa 100644
+--- a/Makefile
++++ b/Makefile
+@@ -16,7 +16,7 @@ CC?=gcc
+ #
+
+ OBJS = powertop.o config.o process.o misctips.o bluetooth.o display.o suggestions.o wireless.o cpufreq.o \
+- sata.o xrandr.o ethernet.o cpufreqstats.o usb.o urbnum.o intelcstates.o wifi-new.o
++ sata.o xrandr.o ethernet.o cpufreqstats.o usb.o urbnum.o intelcstates.o omapcstates.o wifi-new.o
+
+
+ powertop: $(OBJS) Makefile powertop.h
+diff --git a/cpufreqstats.c b/cpufreqstats.c
+index 7529037..a101362 100644
+--- a/cpufreqstats.c
++++ b/cpufreqstats.c
+@@ -42,7 +42,7 @@ struct cpufreqdata oldfreqs[16];
+
+ struct cpufreqdata delta[16];
+
+-char cpufreqstrings[6][80];
++char cpufreqstrings[MAX_NUM_PSTATES][80];
+ int topfreq = -1;
+
+ static void zap(void)
+diff --git a/display.c b/display.c
+index 3ae27d6..3547ad1 100644
+--- a/display.c
++++ b/display.c
+@@ -91,15 +91,18 @@ int maxwidth = 200;
+
+ void setup_windows(void)
+ {
++ int yline = MAX_NUM_CSTATES;
++
+ getmaxyx(stdscr, maxy, maxx);
+
+ zap_windows();
+
+ title_bar_window = subwin(stdscr, 1, maxx, 0, 0);
+- cstate_window = subwin(stdscr, 7, maxx, 2, 0);
+- wakeup_window = subwin(stdscr, 1, maxx, 9, 0);
+- battery_power_window = subwin(stdscr, 2, maxx, 10, 0);
+- timerstat_window = subwin(stdscr, maxy-16, maxx, 12, 0);
++
++ cstate_window = subwin(stdscr, (yline + 2), maxx, 2, 0);
++ wakeup_window = subwin(stdscr, 1, maxx, (yline + 5), 0);
++ battery_power_window = subwin(stdscr, 2, maxx, (yline + 6), 0);
++ timerstat_window = subwin(stdscr, maxy-16, maxx, (yline + 8), 0);
+ maxtimerstats = maxy-16 -2;
+ maxwidth = maxx - 18;
+ suggestion_window = subwin(stdscr, 3, maxx, maxy-4, 0);
+@@ -166,18 +169,18 @@ void show_cstates(void)
+ int i, count = 0;
+ werase(cstate_window);
+
+- for (i=0; i < 10; i++) {
++ for (i=0; i < MAX_CSTATE_LINES; i++) {
+ if (i == topcstate+1)
+ wattron(cstate_window, A_BOLD);
+ else
+ wattroff(cstate_window, A_BOLD);
+- if (strlen(cstate_lines[i]) && count <= 6) {
++ if (strlen(cstate_lines[i]) && count <= MAX_CSTATE_LINES) {
+ print(cstate_window, count, 0, "%s", cstate_lines[i]);
+ count++;
+ }
+ }
+
+- for (i=0; i<6; i++) {
++ for (i=0; i<MAX_NUM_PSTATES; i++) {
+ if (i == topfreq+1)
+ wattron(cstate_window, A_BOLD);
+ else
+diff --git a/omapcstates.c b/omapcstates.c
+new file mode 100644
+index 0000000..b062449
+--- /dev/null
++++ b/omapcstates.c
+@@ -0,0 +1,65 @@
++/*
++ * * Copyright 2008, Texas Instruments Incorporated.
++ * *
++ * * This file prints the C states supported by the OMAP processor.
++ * * (Based on intelcstates.c)
++ * *
++ * * 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
++ * */
++
++#include <unistd.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <stdint.h>
++#include <sys/types.h>
++#include <dirent.h>
++#include <ctype.h>
++
++#include "powertop.h"
++
++
++#if defined(OMAP3)
++/**
++ * * print_omap3_cstates() - Prints the list of supported C-states.
++ * *
++ * * This functions uses standard sysfs interface of the cpuidle framework
++ * * to extract the information of the C-states supported by the Linux
++ * * kernel.
++ * **/
++void print_omap3_cstates(void)
++{
++ DIR *dir;
++ struct dirent *entry;
++
++ dir = opendir("/sys/devices/system/cpu/cpu0/cpuidle");
++
++ if (dir) {
++ printf(_("Supported C-states : "));
++
++ while ((entry = readdir(dir))) {
++ if (strlen(entry->d_name) < 3)
++ continue;
++
++ printf("C%s ", entry->d_name);
++ }
++ printf("\n");
++
++ closedir(dir);
++ }
++}
++#endif
++
+diff --git a/powertop.c b/powertop.c
+index 1a81cb4..92b6157 100644
+--- a/powertop.c
++++ b/powertop.c
+@@ -813,7 +813,7 @@ void print_battery_sysfs(void)
+ show_acpi_power_line(rate, cap, prev_bat_cap - cap, time(NULL) - prev_bat_time);
+ }
+
+-char cstate_lines[12][200];
++char cstate_lines[MAX_CSTATE_LINES][200];
+
+ void usage()
+ {
+@@ -955,7 +955,7 @@ int main(int argc, char **argv)
+ }
+
+ memset(&cstate_lines, 0, sizeof(cstate_lines));
+- topcstate = -4;
++ topcstate = -(MAX_NUM_CSTATES);
+ if (totalevents == 0 && maxcstate <= 1) {
+ sprintf(cstate_lines[5],_("< Detailed C-state information is not available.>\n"));
+ } else {
+@@ -969,7 +969,7 @@ int main(int argc, char **argv)
+ sprintf(cstate_lines[1], _("C0 (cpu running) (%4.1f%%)\n"), percentage);
+ if (percentage > 50)
+ topcstate = 0;
+- for (i = 0; i < 8; i++)
++ for (i = 0; i < MAX_NUM_CSTATES; i++)
+ if (cur_usage[i]) {
+ sleept = (cur_duration[i] - last_duration[i]) / (cur_usage[i] - last_usage[i]
+ + 0.1) / FREQ;
+@@ -1236,3 +1236,9 @@ int main(int argc, char **argv)
+
+ return 0;
+ }
++
++#if defined (__I386__)
++ print_intel_cstates();
++#elif defined (OMAP3)
++ print_omap3_cstates();
++#endif
+diff --git a/powertop.h b/powertop.h
+index 8732ce9..a281183 100644
+--- a/powertop.h
++++ b/powertop.h
+@@ -30,6 +30,20 @@
+
+ #define VERSION "1.12"
+
++#if defined(__I386__)
++#define MAX_NUM_CSTATES 4
++#define MAX_NUM_PSTATES 5
++
++#elif defined(OMAP3)
++#define MAX_NUM_CSTATES 7
++#define MAX_NUM_PSTATES 5
++
++#else
++#error "No valid architecture is defined."
++#endif
++
++#define MAX_CSTATE_LINES (MAX_NUM_CSTATES + 3)
++
+ struct line {
+ char *string;
+ int count;
+@@ -67,8 +81,8 @@ void usb_activity_hint(void);
+
+
+
+-extern char cstate_lines[12][200];
+-extern char cpufreqstrings[6][80];
++extern char cstate_lines[MAX_CSTATE_LINES][200];
++extern char cpufreqstrings[MAX_NUM_PSTATES][80];
+
+ extern int topcstate;
+ extern int topfreq;
+--
+1.6.5
+
git.openpandora.org / openembedded.git / commitdiff