Release 4.10 arch/arm/mach-omap2/pm-debug.c

Directory: arch/arm/mach-omap2
/*
 * OMAP Power Management debug routines
 *
 * Copyright (C) 2005 Texas Instruments, Inc.
 * Copyright (C) 2006-2008 Nokia Corporation
 *
 * Written by:
 * Richard Woodruff <r-woodruff2@ti.com>
 * Tony Lindgren
 * Juha Yrjola
 * Amit Kucheria <amit.kucheria@nokia.com>
 * Igor Stoppa <igor.stoppa@nokia.com>
 * Jouni Hogander
 *
 * Based on pm.c for omap2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/slab.h>

#include "clock.h"
#include "powerdomain.h"
#include "clockdomain.h"
#include "omap-pm.h"

#include "soc.h"
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
#include "pm.h"


u32 enable_off_mode;

#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>


static int pm_dbg_init_done;

static int pm_dbg_init(void);

enum {
	
DEBUG_FILE_COUNTERS = 0,
	
DEBUG_FILE_TIMERS,
};


static const char pwrdm_state_names[][PWRDM_MAX_PWRSTS] = {
	"OFF",
	"RET",
	"INA",
	"ON"
};



void pm_dbg_update_time(struct powerdomain *pwrdm, int prev)
{
	s64 t;

	if (!pm_dbg_init_done)
		return ;

	/* Update timer for previous state */
	t = sched_clock();

	pwrdm->state_timer[prev] += t - pwrdm->timer;

	pwrdm->timer = t;
}

Contributors
Person Tokens Prop Commits CommitProp
tero kristo tero kristo 47 100.00% 1 100.00%
Total 47 100.00% 1 100.00%



static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user)
{
	struct seq_file *s = (struct seq_file *)user;

	if (strcmp(clkdm->name, "emu_clkdm") == 0 ||
		strcmp(clkdm->name, "wkup_clkdm") == 0 ||
		strncmp(clkdm->name, "dpll", 4) == 0)
		return 0;

	seq_printf(s, "%s->%s (%d)\n", clkdm->name, clkdm->pwrdm.ptr->name,
		   clkdm->usecount);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
tero kristo tero kristo 92 98.92% 1 50.00%
paul walmsley paul walmsley 1 1.08% 1 50.00%
Total 93 100.00% 2 100.00%



static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user)
{
	struct seq_file *s = (struct seq_file *)user;
	int i;

	if (strcmp(pwrdm->name, "emu_pwrdm") == 0 ||
		strcmp(pwrdm->name, "wkup_pwrdm") == 0 ||
		strncmp(pwrdm->name, "dpll", 4) == 0)
		return 0;

	if (pwrdm->state != pwrdm_read_pwrst(pwrdm))
		printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n",
			pwrdm->name, pwrdm->state, pwrdm_read_pwrst(pwrdm));

	seq_printf(s, "%s (%s)", pwrdm->name,
			pwrdm_state_names[pwrdm->state]);
	for (i = 0; i < PWRDM_MAX_PWRSTS; i++)
		seq_printf(s, ",%s:%d", pwrdm_state_names[i],
			pwrdm->state_counter[i]);

	seq_printf(s, ",RET-LOGIC-OFF:%d", pwrdm->ret_logic_off_counter);
	for (i = 0; i < pwrdm->banks; i++)
		seq_printf(s, ",RET-MEMBANK%d-OFF:%d", i + 1,
				pwrdm->ret_mem_off_counter[i]);

	seq_putc(s, '\n');
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 141 69.12% 1 20.00%
thara gopinath thara gopinath 43 21.08% 1 20.00%
tero kristo tero kristo 17 8.33% 1 20.00%
sf markus elfring sf markus elfring 2 0.98% 1 20.00%
paul walmsley paul walmsley 1 0.49% 1 20.00%
Total 204 100.00% 5 100.00%



static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm, void *user)
{
	struct seq_file *s = (struct seq_file *)user;
	int i;

	if (strcmp(pwrdm->name, "emu_pwrdm") == 0 ||
		strcmp(pwrdm->name, "wkup_pwrdm") == 0 ||
		strncmp(pwrdm->name, "dpll", 4) == 0)
		return 0;

	pwrdm_state_switch(pwrdm);

	seq_printf(s, "%s (%s)", pwrdm->name,
		pwrdm_state_names[pwrdm->state]);

	for (i = 0; i < 4; i++)
		seq_printf(s, ",%s:%lld", pwrdm_state_names[i],
			pwrdm->state_timer[i]);

	seq_putc(s, '\n');
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 133 98.52% 1 50.00%
sf markus elfring sf markus elfring 2 1.48% 1 50.00%
Total 135 100.00% 2 100.00%



static int pm_dbg_show_counters(struct seq_file *s, void *unused)
{
	pwrdm_for_each(pwrdm_dbg_show_counter, s);
	clkdm_for_each(clkdm_dbg_show_counter, s);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 32 100.00% 1 100.00%
Total 32 100.00% 1 100.00%



static int pm_dbg_show_timers(struct seq_file *s, void *unused)
{
	pwrdm_for_each(pwrdm_dbg_show_timer, s);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 25 100.00% 1 100.00%
Total 25 100.00% 1 100.00%



static int pm_dbg_open(struct inode *inode, struct file *file)
{
	switch ((int)inode->i_private) {
	case DEBUG_FILE_COUNTERS:
		return single_open(file, pm_dbg_show_counters,
			&inode->i_private);
	case DEBUG_FILE_TIMERS:
	default:
		return single_open(file, pm_dbg_show_timers,
			&inode->i_private);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 45 75.00% 1 33.33%
kevin hilman kevin hilman 10 16.67% 1 33.33%
tero kristo tero kristo 5 8.33% 1 33.33%
Total 60 100.00% 3 100.00%


static const struct file_operations debug_fops = {
	.open           = pm_dbg_open,
	.read           = seq_read,
	.llseek         = seq_lseek,
	.release        = single_release,
};



static int pwrdm_suspend_get(void *data, u64 *val)
{
	int ret = -EINVAL;

	if (cpu_is_omap34xx())
		ret = omap3_pm_get_suspend_state((struct powerdomain *)data);
	*val = ret;

	if (ret >= 0)
		return 0;
	return *val;
}

Contributors
Person Tokens Prop Commits CommitProp
tero kristo tero kristo 37 67.27% 1 33.33%
roel kluin roel kluin 10 18.18% 1 33.33%
thara gopinath thara gopinath 8 14.55% 1 33.33%
Total 55 100.00% 3 100.00%



static int pwrdm_suspend_set(void *data, u64 val)
{
	if (cpu_is_omap34xx())
		return omap3_pm_set_suspend_state(
			(struct powerdomain *)data, (int)val);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
tero kristo tero kristo 29 76.32% 1 50.00%
thara gopinath thara gopinath 9 23.68% 1 50.00%
Total 38 100.00% 2 100.00%

DEFINE_SIMPLE_ATTRIBUTE(pwrdm_suspend_fops, pwrdm_suspend_get,
			pwrdm_suspend_set, "%llu\n");



static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir)
{
	int i;
	s64 t;
	struct dentry *d;

	t = sched_clock();

	for (i = 0; i < 4; i++)
		pwrdm->state_timer[i] = 0;

	pwrdm->timer = t;

	if (strncmp(pwrdm->name, "dpll", 4) == 0)
		return 0;

	d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir);
	if (d)
		(void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d,
			(void *)pwrdm, &pwrdm_suspend_fops);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
tero kristo tero kristo 63 50.81% 1 33.33%
peter de schrijver peter de schrijver 57 45.97% 1 33.33%
jean pihet jean pihet 4 3.23% 1 33.33%
Total 124 100.00% 3 100.00%



static int option_get(void *data, u64 *val)
{
	u32 *option = data;

	*val = *option;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
kevin hilman kevin hilman 29 100.00% 1 100.00%
Total 29 100.00% 1 100.00%



static int option_set(void *data, u64 val)
{
	u32 *option = data;

	*option = val;

	if (option == &enable_off_mode) {
		if (val)
			omap_pm_enable_off_mode();
		else
			omap_pm_disable_off_mode();
		if (cpu_is_omap34xx())
			omap3_pm_off_mode_enable(val);
	}

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
kevin hilman kevin hilman 50 87.72% 2 66.67%
thara gopinath thara gopinath 7 12.28% 1 33.33%
Total 57 100.00% 3 100.00%

DEFINE_SIMPLE_ATTRIBUTE(pm_dbg_option_fops, option_get, option_set, "%llu\n");



static int __init pm_dbg_init(void)
{
	struct dentry *d;

	if (pm_dbg_init_done)
		return 0;

	d = debugfs_create_dir("pm_debug", NULL);
	if (!d)
		return -EINVAL;

	(void) debugfs_create_file("count", S_IRUGO,
		d, (void *)DEBUG_FILE_COUNTERS, &debug_fops);
	(void) debugfs_create_file("time", S_IRUGO,
		d, (void *)DEBUG_FILE_TIMERS, &debug_fops);

	pwrdm_for_each(pwrdms_setup, (void *)d);

	(void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d,
				   &enable_off_mode, &pm_dbg_option_fops);
	pm_dbg_init_done = 1;

	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 83 69.75% 1 14.29%
kevin hilman kevin hilman 19 15.97% 1 14.29%
tero kristo tero kristo 12 10.08% 2 28.57%
russell king russell king 3 2.52% 1 14.29%
paul walmsley paul walmsley 1 0.84% 1 14.29%
vasiliy kulikov vasiliy kulikov 1 0.84% 1 14.29%
Total 119 100.00% 7 100.00%


omap_arch_initcall(pm_dbg_init);

#endif
Overall Contributors
Person Tokens Prop Commits CommitProp
peter de schrijver peter de schrijver 538 45.90% 1 4.00%
tero kristo tero kristo 370 31.57% 2 8.00%
kevin hilman kevin hilman 157 13.40% 4 16.00%
thara gopinath thara gopinath 68 5.80% 2 8.00%
roel kluin roel kluin 10 0.85% 1 4.00%
paul walmsley paul walmsley 9 0.77% 7 28.00%
tony lindgren tony lindgren 5 0.43% 3 12.00%
jean pihet jean pihet 4 0.34% 1 4.00%
sf markus elfring sf markus elfring 4 0.34% 1 4.00%
russell king russell king 3 0.26% 1 4.00%
tejun heo tejun heo 3 0.26% 1 4.00%
vasiliy kulikov vasiliy kulikov 1 0.09% 1 4.00%
Total 1172 100.00% 25 100.00%
Directory: arch/arm/mach-omap2

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
tero kristo	tero kristo	47	100.00%	1	100.00%
	Total	47	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.10 arch/arm/mach-omap2/pm-debug.c

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Overall Contributors
