obj-y += rk_pm_tests.o
obj-y += clk_rate.o
obj-y += clk_volt.o
-obj-y += clk_volt.o
-obj-y += dvfs_table_scan.o
\ No newline at end of file
+obj-y += cpu_usage.o
+obj-y += dvfs_table_scan.o
#include "clk_rate.h"
/***************************************************************************/
#define FILE_GOV_MODE "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
-#define FILE_SETSPEED "/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
-#define FILE_CUR_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"
+#if 0
static int file_read(char *file_path, char *buf)
{
struct file *file = NULL;
mm_segment_t old_fs;
loff_t offset = 0;
- PM_DBG("read %s\n", file_path);
+ PM_DBG("%s: read %s\n", __func__, file_path);
file = filp_open(file_path, O_RDONLY, 0);
if (IS_ERR(file)) {
- PM_ERR("%s error open file %s\n", __func__, file_path);
+ PM_ERR("%s: error open file %s\n", __func__, file_path);
return -1;
}
return 0;
}
+#endif
static int file_write(char *file_path, char *buf)
{
mm_segment_t old_fs;
loff_t offset = 0;
- PM_DBG("write %s %s size = %d\n", file_path, buf, strlen(buf));
+ PM_DBG("%s: write %s %s size = %d\n", __func__, file_path, buf, strlen(buf));
file = filp_open(file_path, O_RDWR, 0);
if (IS_ERR(file)) {
- PM_ERR("%s error open file %s\n", __func__, file_path);
+ PM_ERR("%s: error open file %s\n", __func__, file_path);
return -1;
}
char *buf)
{
char *str = buf;
- str += sprintf(str, "set [clk_name] [rate(Hz)]\n"
- "reset [clk_name] [rate(Hz) = 0]\n");
+ str += sprintf(str, "set [clk_name] [rate(Hz)]\n"
+ "rawset [clk_name] [rate(Hz)]\n");
if (str != buf)
*(str - 1) = '\n';
return (str - buf);
const char *buf, size_t n)
{
struct dvfs_node *clk_dvfs_node = NULL;
- char cmd[20], clk_name[20], msg[50];
- int rate;
- printk("%s: %s\n", __func__, buf);
- sscanf(buf, "%s %s %d", cmd, clk_name, &rate);
-
- clk_dvfs_node = clk_get_dvfs_node(clk_name);
- if (!clk_dvfs_node) {
- PM_ERR("%s: clk(%s) get dvfs node error\n", __func__, clk_name);
- return n;
- }
+ struct clk *clk;
+ char cmd[20], clk_name[20];
+ unsigned long rate=0;
+ int ret=0;
+
+ sscanf(buf, "%s %s %lu", cmd, clk_name, &rate);
+
+ PM_DBG("%s: cmd(%s), clk_name(%s), rate(%lu)\n", __func__, cmd, clk_name, rate);
- if (0 == strncmp(cmd, "set", strlen("set"))) {
- PM_DBG("Get command set %s %dHz\n", clk_name, rate);
- if (file_read(FILE_GOV_MODE, msg) != 0) {
- PM_ERR("read current governor error\n");
+ if (!strncmp(cmd, "set", strlen("set"))) {
+ clk_dvfs_node = clk_get_dvfs_node(clk_name);
+ if (!clk_dvfs_node) {
+ PM_ERR("%s: clk(%s) get dvfs node error\n", __func__, clk_name);
return n;
- } else {
- PM_DBG("current governor = %s\n", msg);
}
-
- strcpy(msg, "userspace");
- if (file_write(FILE_GOV_MODE, msg) != 0) {
- PM_ERR("set current governor error\n");
- return n;
+
+ if (!strncmp(clk_name, "clk_core", strlen("clk_core"))) {
+ if (file_write(FILE_GOV_MODE, "userspace") != 0) {
+ PM_ERR("%s: set current governor error\n", __func__);
+ return n;
+ }
}
- dvfs_clk_enable_limit(clk_dvfs_node, rate, rate);
- dvfs_clk_set_rate(clk_dvfs_node, rate);
-
- } else if (0 == strncmp(cmd, "reset", strlen("reset"))) {
- PM_DBG("Get command reset %s\n", clk_name);
- if (file_read(FILE_GOV_MODE, msg) != 0) {
- PM_ERR("read current governor error\n");
+ ret = dvfs_clk_enable_limit(clk_dvfs_node, rate, rate);
+ } else {
+ clk = clk_get(NULL, clk_name);
+ if (IS_ERR_OR_NULL(clk)) {
+ PM_ERR("%s: get clk(%s) err(%ld)\n",
+ __func__, clk_name, PTR_ERR(clk));
return n;
- } else {
- PM_DBG("current governor = %s\n", msg);
}
-
- strcpy(msg, "interactive");
- if (file_write(FILE_GOV_MODE, msg) != 0) {
- PM_ERR("set current governor error\n");
- return n;
+
+ if (!strncmp(cmd, "rawset", strlen("rawset"))) {
+ ret = clk_set_rate(clk, rate);
+ } else if (!strncmp(cmd, "open", strlen("open"))) {
+ ret = clk_prepare_enable(clk);
+ } else if (!strncmp(cmd, "close", strlen("close"))) {
+ clk_disable_unprepare(clk);
}
+ }
- dvfs_clk_disable_limit(clk_dvfs_node);
+ if (ret) {
+ PM_ERR("%s: set rate err(%d)", __func__, ret);
}
-
return n;
}
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/regulator/machine.h>
-//#include <plat/dma-pl330.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/sysfs.h>
#include <linux/err.h>
#include <linux/rockchip/dvfs.h>
-//#include <mach/ddr.h>
-//#include <mach/dvfs.h>
-
#include "rk_pm_tests.h"
#include "clk_volt.h"
/***************************************************************************/
ssize_t clk_volt_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
+
+ struct regulator *regulator;
char cmd[20], regulator_name[20];
unsigned int volt;
- int ret = 0;
- int need_put_regulator=0;
- struct regulator *regulator;
+ int need_put_regulator=0, ret=0;
- printk("%s: %s\n", __func__, buf);
sscanf(buf, "%s %s %u", cmd, regulator_name, &volt);
+ PM_DBG("%s: cmd(%s), regulator_name(%s), volt(%u)\n",
+ __func__, cmd, regulator_name, volt);
+
regulator = dvfs_get_regulator(regulator_name);
if (IS_ERR_OR_NULL(regulator)) {
regulator = regulator_get(NULL, regulator_name);
if (IS_ERR(regulator)){
- PM_ERR("%s get dvfs_regulator %s error\n", __func__, regulator_name);
+ PM_ERR("%s: get dvfs_regulator %s error\n", __func__, regulator_name);
return n;
}
need_put_regulator = 1;
}
- if (0 == strncmp(cmd, "set", strlen("set"))){
+ if (!strncmp(cmd, "set", strlen("set"))){
if (volt & SET_SUSPEND_VOLT_FLAG){
volt &= ~SET_SUSPEND_VOLT_FLAG;
//ret = regulator_set_suspend_voltage(regulator, volt);
if (!ret)
- printk("set %s suspend volt to %uuV ok\n", regulator_name, volt);
+ PM_DBG("%s: set %s suspend volt to %u uV ok\n", __func__, regulator_name, volt);
else
- printk("regulator_set_suspend_voltage err:%d\n", ret);
+ PM_DBG("%s: regulator_set_suspend_voltage err(%d)\n", __func__, ret);
}else{
ret = regulator_set_voltage(regulator, volt, volt);
if (!ret)
- printk("set %s volt to %uuV ok\n", regulator_name, regulator_get_voltage(regulator));
+ PM_DBG("%s: set %s volt to %u uV ok\n", __func__, regulator_name, regulator_get_voltage(regulator));
else
- printk("regulator_set_voltage err:%d\n", ret);
+ PM_DBG("%s: regulator_set_voltage err(%d)\n", __func__, ret);
}
}
- if (0 == strncmp(cmd, "get", strlen("get"))){
- printk("%s:%duV\n", regulator_name, regulator_get_voltage(regulator));
+ if (!strncmp(cmd, "get", strlen("get"))){
+ printk("%s: %s current is %d uV\n",
+ __func__, regulator_name, regulator_get_voltage(regulator));
}
if (need_put_regulator)
regulator_put(regulator);
-// if (0 == strncmp(cmd, "enable", strlen("enable"))) {
return n;
}
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/regulator/machine.h>
-#include <plat/dma-pl330.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/sysfs.h>
#include <linux/err.h>
-#include <mach/cru.h>
-#include <mach/dvfs.h>
-#include <mach/sram.h>
#include <linux/random.h>
#include <linux/fs.h>
sscanf(buf, "%s %d", cmd, &usage);
- if((strncmp(cmd, "start", strlen("start")) == 0)) {
+ if((!strncmp(cmd, "start", strlen("start")))) {
PM_DBG("get cmd start\n");
cpu_usage_run = 1;
add_timer(&arm_mode_timer);
#endif
- } else if (strncmp(cmd, "stop", strlen("stop")) == 0) {
+ } else if (!strncmp(cmd, "stop", strlen("stop"))) {
PM_DBG("get cmd stop\n");
cpu_usage_run = 0;
}
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/regulator/machine.h>
-//#include <plat/dma-pl330.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/sysfs.h>
#include <linux/err.h>
-//#include <mach/ddr.h>
-//#include <mach/dvfs.h>
#include <linux/watchdog.h>
-
#include <linux/fs.h>
#include <asm/unistd.h>
#include <asm/uaccess.h>
#include "rk_pm_tests.h"
#include "dvfs_table_scan.h"
/***************************************************************************/
-struct workqueue_struct *workqueue_dvfs_table_scan;
-struct work_struct work_dvfs_table_scan;
-struct timer_list dvfs_table_scan_timer;
-#define DVFS_TABLE_T_MSEC 1000
-struct file *file = NULL;
-mm_segment_t old_fs;
-loff_t offset = 0;
-static int dvfs_table_scan_run = 0;
+void rk29_wdt_start(void);
+void rk29_wdt_stop(void);
+void rk29_wdt_keepalive(void);
+int rk29_wdt_set_heartbeat(int timeout);
+
+#define ALIVE_INTERVAL 2 //s
+#define WATCHDOG_TIMEOUT (10*ALIVE_INTERVAL)
+#define RESERVE_TIME_FOR_TIMEOUT 600000 //ms
ssize_t dvfs_table_scan_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
char *str = buf;
- str += sprintf(str, "start: \tstart scan dvfs table, send alive every 1s\n"
+ str += sprintf(str, "start: \tstart scan dvfs table, send alive every 2s\n"
"stop: \tstop send alive signal\n");
if (str != buf)
*(str - 1) = '\n';
return (str - buf);
}
-void rk29_wdt_start(void);
-void rk29_wdt_stop(void);
-void rk29_wdt_keepalive(void);
-int rk29_wdt_set_heartbeat(int timeout);
-
-#define ALIVE_INTERVAL 2 //s
-#define WATCHDOG_TIMEOUT (10*ALIVE_INTERVAL)
-#define RESERVE_TIME_FOR_TIMEOUT 600000 //ms
ssize_t dvfs_table_scan_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t n)
{
char cmd[20];
int cur_test_need_time=0; //ms
- static int cur_test_timeout_cnt = 0, start_flag = 0;
+ static int cur_test_timeout_cnt = 0;
sscanf(buf, "%s %d", cmd, &cur_test_need_time);
-
- printk("%s: get command <%s>\n", __func__, cmd);
- if (0 == strncmp(cmd, "start", strlen("start"))) {
+
+ PM_DBG("%s: cmd(%s), cur_test_need_time(%d)\n", __func__, cmd, cur_test_need_time);
+
+ if (!strncmp(cmd, "start", strlen("start"))) {
if (cur_test_need_time == 0)
return n;
cur_test_timeout_cnt = (cur_test_need_time + RESERVE_TIME_FOR_TIMEOUT)/1000/ALIVE_INTERVAL;
rk29_wdt_start();
rk29_wdt_set_heartbeat(WATCHDOG_TIMEOUT);
- start_flag = 1;
- } else if (0 == strncmp(cmd, "alive", strlen("alive"))) {
- if(start_flag == 0)
- return n;
+ } else if (!strncmp(cmd, "alive", strlen("alive"))) {
printk("cur_test_timeout_cnt:%d\n", cur_test_timeout_cnt);
if (cur_test_timeout_cnt-- > 0)
rk29_wdt_keepalive();
- } else if (0 == strncmp(cmd, "stop", strlen("stop"))) {
- if(start_flag == 0)
- return n;
+ } else if (!strncmp(cmd, "stop", strlen("stop"))) {
cur_test_timeout_cnt = -1;
rk29_wdt_stop();
- start_flag = 0;
}
return n;
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/regulator/machine.h>
-//#include <plat/dma-pl330.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/sysfs.h>
#include <linux/err.h>
-//#include <mach/ddr.h>
#include "rk_pm_tests.h"
-
#include "clk_rate.h"
#include "clk_volt.h"
#include "cpu_usage.h"
__ATTR(clk_rate, S_IRUGO | S_IWUSR | S_IWUGO, clk_rate_show, clk_rate_store),
__ATTR(clk_volt, S_IRUGO | S_IWUSR | S_IWUGO, clk_volt_show, clk_volt_store),
__ATTR(dvfs_table_scan, S_IRUGO | S_IWUSR | S_IWUGO, dvfs_table_scan_show, dvfs_table_scan_store),
+ __ATTR(cpu_usage, S_IRUGO | S_IWUSR, cpu_usage_show, cpu_usage_store),
+
/*
__ATTR(maxfreq_volt, S_IRUGO | S_IWUSR, maxfreq_show, maxfreq_store),
__ATTR(freq_limit, S_IRUGO | S_IWUSR, freq_limit_show, freq_limit_store),
kobject_put(rk_pm_tests_kobj);
}
-
struct kobject *get_rk_pm_tests_kobj(void)
{
#ifndef _RK_PM_TESTS_H_
#define _RK_PM_TESTS_H_
-#define PM_DBG(fmt, args...) printk(KERN_INFO "PM_TESTS_DBG:\t"fmt, ##args)
+#define PM_DBG(fmt, args...) printk(KERN_DEBUG "PM_TESTS_DBG:\t"fmt, ##args)
#define PM_ERR(fmt, args...) printk(KERN_ERR "PM_TESTS_ERR:\t"fmt, ##args)
#endif
projects / firefly-linux-kernel-4.4.55.git / commitdiff