diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap2/pm-debug.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-omap2/pm-debug.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/pm-debug.c b/ANDROID_3.4.5/arch/arm/mach-omap2/pm-debug.c deleted file mode 100644 index 814bcd90..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-omap2/pm-debug.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * 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 <plat/clock.h> -#include <plat/board.h> -#include "powerdomain.h" -#include "clockdomain.h" -#include <plat/dmtimer.h> -#include <plat/omap-pm.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; -} - -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)", clkdm->name, - clkdm->pwrdm.ptr->name, - atomic_read(&clkdm->usecount)); - seq_printf(s, "\n"); - - return 0; -} - -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_printf(s, "\n"); - - return 0; -} - -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_printf(s, "\n"); - return 0; -} - -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; -} - -static int pm_dbg_show_timers(struct seq_file *s, void *unused) -{ - pwrdm_for_each(pwrdm_dbg_show_timer, s); - return 0; -} - -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); - }; -} - -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; -} - -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; -} - -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 (!(IS_ERR_OR_NULL(d))) - (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, - (void *)pwrdm, &pwrdm_suspend_fops); - - return 0; -} - -static int option_get(void *data, u64 *val) -{ - u32 *option = data; - - *val = *option; - - return 0; -} - -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; -} - -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 (IS_ERR_OR_NULL(d)) - return PTR_ERR(d); - - (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; -} -arch_initcall(pm_dbg_init); - -#endif |