/*
* 设置profile
* success: return BSP_OK
* fail: return BSP_ERROR
*/
int pwrctrl_dfs_set_profile(int profile)
{
struct cpufreq_msg set_msg = {0,0,0,0};
if ((profile < BALONG_FREQ_MIN) || (profile > BALONG_FREQ_MAX))
{
cpufreq_err("profile in right bound??%d\n", profile);
return BSP_ERROR;
}
set_msg.msg_type = CPUFREQ_ADJUST_FREQ;
set_msg.source = CPUFREQ_ACORE;
if (pwrctrl_dfs_get_profile() < profile)
{
set_msg.content = DFS_PROFILE_UP_TARGET;
}
else if (pwrctrl_dfs_get_profile() > profile)
{
set_msg.content = DFS_PROFILE_DOWN_TARGET;
}
else
{
return BSP_OK;
}
set_msg.profile = (u32)profile;
return balong_cpufreq_icc_send(&set_msg);
}
int balong_cpufreq_icc_send(struct cpufreq_msg *msg)
{
u32 channel_id = ICC_CHN_MCORE_ACORE << 16 | MCU_ACORE_CPUFREQ;
s32 ret = 0;
u32 msg_len = sizeof(struct cpufreq_msg);
if (!g_cpufreq_lock_status_flag)
{
return BSP_ERROR;
}
ret = balong_check_msg(msg);
if (BSP_ERROR == ret)
{
return BSP_OK;
}
if (msg->msg_type != CPUFREQ_GET_FREQ_FROM_M)
{
debug_msg.msg_type = msg->msg_type;
debug_msg.source = msg->source;
debug_msg.content = msg->content;
debug_msg.profile = msg->profile;
}
ret = bsp_icc_send(ICC_CPU_MCU, channel_id, (u8 *)msg, msg_len);
if(ret != (s32)msg_len)
{
cpufreq_err("mcore return an ERROR please check m3 %d\n", ret);
return BSP_ERROR;
}
return BSP_OK;
}
static void register_icc_for_cpufreq(void)
{
s32 ret;
u32 channel_id_set = ICC_CHN_MCORE_CCORE << 16 | MCU_CCORE_CPUFREQ;
ret = bsp_icc_event_register(channel_id_set, (read_cb_func)balong_cpufreq_cb_getprofile, (void *)NULL, (write_cb_func)NULL, (void *)NULL);
if (ret != BSP_OK)
{
cpufreq_err("icc register failed %d\n", ret);
}
cpufreq_info("register icc %d\n", ret);
}
/***********************************************************
*调频任务初始化
***********************************************************/
static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
{
/* We want all CPUs to do sampling nearly on same jiffy */
unsigned long delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);
if (NULL == dbs_info) {
cpufreq_err("!!!!!!dbs_timer_init!!!!!!error\n");
return;
}
INIT_DELAYED_WORK_DEFERRABLE(&(dbs_info->work), balong_do_dbs_timer);/*lint !e613*/
schedule_delayed_work_on(dbs_info->cpu, &(dbs_info->work), delay);/*lint !e613*/
}
/*****************************************************************************
函 数 名 : DRV_PWRCTRL_GetCcpuLoadCB
功能描述 : arm 提供给TTF的回调函数,该接口中回调不可再中断中使用
输入参数 : pFunc:TTF函数指针
输出参数 : 无
返 回 值 : 申请空间的地址 。
*****************************************************************************/
void BSP_PWRCTRL_GetCcpuLoadCB(PWRCTRLFUNCPTR pFunc )
{
if (NULL == pFunc)
{
cpufreq_err("BSP_PWRCTRL_FlowCtrlCallBackRegister param is Null,pls check\n");
return;
}
else
{
FlowCtrlCallBack = pFunc;
}
}
/*
* 设置profile下限
* success: return BSP_OK
* fail: return BSP_ERROR
*/
int pwrctrl_dfs_set_baseprofile(int baseprofile)
{
struct cpufreq_msg set_msg = {0,0,0,0};
if ((baseprofile < BALONG_FREQ_MIN) || (baseprofile > BALONG_FREQ_MAX))
{
cpufreq_err("profile in right bound??%d\n", baseprofile);
return BSP_ERROR;
}
set_msg.msg_type = CPUFREQ_ADJUST_FREQ;
set_msg.source = CPUFREQ_ACORE;
set_msg.content = DFS_PROFILE_DOWN_LIMIT;
set_msg.profile = (u32)baseprofile;
return balong_cpufreq_icc_send(&set_msg);
}
static s32 balong_cpufreq_cb_getprofile(u32 channel_id , u32 len, void* context)
{
s32 ret = 0;
struct cpufreq_msg cm = {0};
ret = bsp_icc_read(channel_id, (u8*)&cm, len);
if(len != (u32)ret)
{
cpufreq_err("balong_cpufreq_cb_getload error \r\n");
return -1;
}
g_stDfsCpuControl.enCurProfile = cm.profile;
cpufreq_info("get icc from Mcore msg_type->>%d, source->>%d, profile->>%d\n", cm.msg_type, cm.source, cm.profile);
return 0;
}
void test_for_v9r1_interface(int inter_id, int request_id, int request_freq, int req_id)
{
int req_request_id = 0;
switch(inter_id)
{
case 0://request
if (PWRCTRL_DfsQosRequest(request_id, (u32)request_freq, &req_request_id))
{
cpufreq_err("QosRequest error\n");
}
break;
case 1://release
if (PWRCTRL_DfsQosRelease(request_id, &req_request_id))
{
cpufreq_err("QosRelease error\n");
}
break;
case 2: //update
(void)PWRCTRL_DfsQosUpdate(request_id, req_id, (u32)request_freq);
break;
default:
break;
}
}
void register_icc_for_cpufreq(void)
{
s32 ret;
u32 channel_id_set = ICC_CHN_MCORE_ACORE << 16 | MCU_ACORE_CPUFREQ;
ret = bsp_icc_event_register(channel_id_set, (read_cb_func)balong_cpufreq_cb_getprofile, (void *)NULL, (write_cb_func)NULL, (void *)NULL);
if (ret != BSP_OK)
{
cpufreq_err("icc register failed %d\n", ret);
}
else
{
;
}
cpufreq_debug("register icc to mcore %d\n", ret);
}/*lint !e533 */
s32 balong_cpufreq_cb_getprofile(u32 channel_id , u32 len, void* context)
{
s32 ret = 0;
struct cpufreq_msg cm = {0};
ret = bsp_icc_read(channel_id, (u8*)&cm, len);
if((s32)len != ret)
{
cpufreq_err("balong_cpufreq_cb_getload error \r\n");
return BSP_ERROR;
}
cpufreq_info("get icc from Mcore msg_type->>%d, source->>%d, profile->>%d\n", cm.msg_type, cm.source, cm.profile);
return BSP_OK;
}
/*
* 获取当前频率 BSP_ERROR 设置失败;BSP_OK 设置成功
*
*/
int pwrctrl_dfs_current(int *a9freq, int *ddrfreq, int *slowfreq)
{
int cur_profile = 0;
int ret = BSP_OK;
if ((a9freq != NULL) && (ddrfreq != NULL) && (slowfreq != NULL))
{
cur_profile = pwrctrl_dfs_get_profile();
*a9freq = (s32)balong_query_profile_table[cur_profile].cpu_frequency;
*ddrfreq = (s32)balong_query_profile_table[cur_profile].ddr_frequency;
*slowfreq = (s32)balong_query_profile_table[cur_profile].sbus_frequency;
}
else
{
cpufreq_err("argv is NULL,check it\n");
ret = BSP_ERROR;
}
return ret;
}
/***********************************************************
*调频任务
***********************************************************/
void balong_do_dbs_timer(struct work_struct *work)
{
struct cpu_dbs_info_s *dbs_info = &per_cpu(g_acpu_dbs_info, 0);
s32 cpu = 0;
unsigned long delay = 0;
if (dbs_info == NULL) {
cpufreq_err("dbs_info error\n");
return;
}
cpu = dbs_info->cpu;
mutex_lock(&info_mutex);
/*检查CPU占用率，调频*/
balong_dbs_check_cpu();
delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);
schedule_delayed_work_on(cpu, &dbs_info->work, delay);
mutex_unlock(&info_mutex);
}
/*设置调频阈值 不用配置的项输入负值*/
void cpufreq_exc_change_limit(u32 sample, u32 up_cpuloadlimit, u32 down_cpuloadlimit, u32 down_times, u32 up_times)
{
unsigned long flags = 0;
local_irq_save(flags);
if (up_cpuloadlimit <= down_cpuloadlimit)
{
cpufreq_err("ERROE: up_cpuloadlimit <= down_cpuloadlimit") ;
goto out;
}
dbs_tuners_ins.sampling_rate = sample;
dbs_tuners_ins.up_threshold = up_cpuloadlimit;
dbs_tuners_ins.down_threshold = down_cpuloadlimit;
dbs_tuners_ins.down_threshold_times = down_times;
dbs_tuners_ins.up_threshold_times = up_times;
out:
local_irq_restore(flags);
}
/*
* 发送消息 BSP_ERROR 发送失败;BSP_OK 发送成功
*/
int balong_cpufreq_icc_send(struct cpufreq_msg *msg)
{
u32 channel_id = ICC_CHN_MCORE_CCORE << 16 | MCU_CCORE_CPUFREQ;
s32 ret = 0;
u32 time_value = 0;
u32 msg_len = sizeof(struct cpufreq_msg);
if (!g_cpufreq_lock_status_flag)
{
return BSP_ERROR;
}
ret = balong_check_msg(msg);
if (BSP_ERROR == ret)
{
bsp_trace(BSP_LOG_LEVEL_DEBUG, BSP_MUDU_CPUFREQ,"msg is: msg_type:%d source:%d content:%d profile:%d\n",
msg->msg_type, msg->source, msg->content, msg->profile);
return BSP_OK;
}
if(g_lowpower_shared_addr)
{
time_value= bsp_get_slice_value();
writel(time_value, g_lowpower_shared_addr + 0x210);
}
debug_msg.msg_type = msg->msg_type;
debug_msg.source = msg->source;
debug_msg.content = msg->content;
debug_msg.profile = msg->profile;
cpufreq_pm_om_log(msg);
ret = bsp_icc_send(ICC_CPU_MCU, channel_id, (u8 *)msg, msg_len);
if((ret < 0) && (ret != BSP_ERR_ICC_CCORE_RESETTING))
{
cpufreq_err("mcore return an ERROR please check m3 %d\n", ret);
return BSP_ERROR;
}
return BSP_OK;
}
/*设置调频阈值 不用配置的项输入负值*/
void cpufreq_exc_change_limit(u32 sample, u32 up_cpuloadlimit, u32 down_cpuloadlimit, u32 down_times, u32 up_times)
{
unsigned long flags = 0;
local_irq_save(flags);
if (up_cpuloadlimit <= down_cpuloadlimit)
{
cpufreq_err("ERROE: up_cpuloadlimit <= down_cpuloadlimit") ;
goto out;
}
g_stDfsCpuConfigInfo.ulTimerLen = sample;
g_test_in_interr_times = sample;
g_stDfsCpuConfigInfo.astThresHold[0].usProfileUpLimit = up_cpuloadlimit;
g_stDfsCpuConfigInfo.astThresHold[0].usProfileDownLimit = down_cpuloadlimit;
g_stDfsCpuConfigInfo.usProfileDownTime = down_times;
g_stDfsCpuConfigInfo.usProfileUpTime = up_times;
out:
local_irq_restore(flags);
}
void cpufreq_print_debug(void)
{
struct cpu_dbs_info_s *dbs_info;
dbs_info = &per_cpu(g_acpu_dbs_info, 0);
pwrctrl_dfs_get_profile();
cpufreq_err("cur profile: %d\n", g_cur_profile);
cpufreq_err("acore load: %d\n", g_ulACpuload);
cpufreq_err("up times: %d\n", dbs_info->cpu_up_time);
cpufreq_err("down times: %d\n", dbs_info->cpu_down_time);
cpufreq_err("up_threshold: %d\n", dbs_tuners_ins.up_threshold);
cpufreq_err("up_threshold_times: %d\n", dbs_tuners_ins.up_threshold_times);
cpufreq_err("down_threshold: %d\n", dbs_tuners_ins.down_threshold);
cpufreq_err("down_threshold_times: %d\n", dbs_tuners_ins.down_threshold_times);
cpufreq_err("sampling_rate: %d\n", dbs_tuners_ins.sampling_rate);
cpufreq_err("last icc msg\n");
cpufreq_err("icc msg_type: %d\n", debug_msg.msg_type);
cpufreq_err("icc source: %d\n", debug_msg.source);
cpufreq_err("icc content: %d\n", debug_msg.content);
cpufreq_err("icc profile: %d\n", debug_msg.profile);
cpufreq_err("cur max limit:%d\n", CPUFREQ_MAX_PROFILE_LIMIT);
cpufreq_err("cur min limit:%d\n", CPUFREQ_MIN_PROFILE_LIMIT);
}
static s32 cpufreq_governor_dbs(struct cpufreq_policy *policy, u32 event)
{
s32 cpu = (s32)policy->cpu;
struct cpu_dbs_info_s *dbs_info = NULL;
u32 retValue = 0;
ST_PWC_SWITCH_STRU cpufreq_control_nv = {0} ;
/*cpu 信息*/
dbs_info = &per_cpu(g_acpu_dbs_info, (u32)cpu);
/*lint --e{744 } */
switch (event) {
case CPUFREQ_GOV_START:
cpufreq_debug("CPUFREQ_GOV_START\n");
mutex_lock(&dbs_mutex);
dbs_enable++;
/*cpu 信息初始化 函数??idle_time*/
dbs_info->prev_cpu_idle = get_cpu_idle_time(0,
&dbs_info->prev_cpu_wall);
dbs_info->cur_policy = policy;
dbs_info->cpu = cpu;
dbs_info->freq_table = cpufreq_frequency_get_table((u32)cpu);
dbs_info->cpu_down_time = 0;
dbs_info->cpu_up_time = 0;
retValue = bsp_nvm_read(NV_ID_DRV_NV_PWC_SWITCH,(u8*)&cpufreq_control_nv,sizeof(ST_PWC_SWITCH_STRU));
if (NV_OK == retValue)
{
g_cpufreq_lock_status_flag = cpufreq_control_nv.dfs;
}
else
{
cpufreq_err("read nv failed %d\n", retValue);
}
if (1 == dbs_enable) {
retValue = bsp_nvm_read(NV_ID_DRV_NV_DFS_SWITCH,(u8*)&g_stDfsSwitch,sizeof(ST_PWC_DFS_STRU));
if (NV_OK != retValue)
{
cpufreq_err("read nv failed use default value\n");
g_stDfsSwitch.AcpuDownLimit = 20;
g_stDfsSwitch.AcpuDownNum = 3;
g_stDfsSwitch.AcpuUpLimit = 80;
g_stDfsSwitch.AcpuUpNum = 1;
g_stDfsSwitch.DFSTimerLen = 400;
}
dbs_tuners_ins.up_threshold = g_stDfsSwitch.AcpuUpLimit;
dbs_tuners_ins.down_threshold = g_stDfsSwitch.AcpuDownLimit;
dbs_tuners_ins.down_threshold_times = g_stDfsSwitch.AcpuDownNum;
dbs_tuners_ins.up_threshold_times = g_stDfsSwitch.AcpuUpNum;
dbs_tuners_ins.sampling_rate = g_stDfsSwitch.DFSTimerLen * 10000; /*unit:us*/
/*
* Start the timerschedule work, when this governor
* is used for first time
*/
register_icc_for_cpufreq();
dbs_timer_init(dbs_info);
}
mutex_unlock(&dbs_mutex);
break;
case CPUFREQ_GOV_STOP:
dbs_timer_exit(dbs_info);
mutex_lock(&dbs_mutex);
dbs_enable--;
mutex_unlock(&dbs_mutex);
break;
case CPUFREQ_GOV_LIMITS:
mutex_lock(&info_mutex);
dbs_info->cpu_down_time = 0;
dbs_info->cpu_up_time = 0;
mutex_unlock(&info_mutex);
if (policy->max < dbs_info->cur_policy->cur)
__cpufreq_driver_target(dbs_info->cur_policy,
policy->max, CPUFREQ_RELATION_H);
else if (policy->min > dbs_info->cur_policy->cur)
__cpufreq_driver_target(dbs_info->cur_policy,
policy->min, CPUFREQ_RELATION_L);
break;
}
return 0;
}
/*
调频策略
*/
static u32 cpufreq_calccpu_result(u32 *next_freq)
{
u32 ulSleepTime;
u32 ulCpuFree;
u32 ulCpuLoad_C;
u32 ulProTime;
u32 ulEndTime;
int cur_profile = 0;
PWRCTRLFUNCPTR pRoutine = NULL;
/*这里是读取时间,暂时大桩*/
ulEndTime = bsp_get_slice_value();
ulProTime = ulEndTime - g_stDfsCpuControl.ulStartTime;
ulSleepTime = g_ulDfsCcpuIdleTime;
g_ulDfsCcpuIdleTime = 0;
g_stDfsCpuControl.ulStartTime = ulEndTime;
ulCpuFree= (ulSleepTime* 100) / (ulProTime); /*Calc the Cpu Free Value*/
if (ulCpuFree > 100)
{
cpufreq_err("calc cpuload error!\n");
return DFS_PROFILE_NOCHANGE;
}
ulCpuLoad_C= 100 - ulCpuFree;
g_ulCCpuload = ulCpuLoad_C;
/*调用ttf回调函数*/
if (NULL != FlowCtrlCallBack)
{
pRoutine = FlowCtrlCallBack;
(void)(*pRoutine)(g_ulCCpuload);
}
else
{
}
if (ulCpuLoad_C > g_stDfsCpuConfigInfo.astThresHold[0].usProfileUpLimit)
{
/*Clean the Value of the System Down Counter*/
g_stDfsCpuControl.ulCurSysDownTime = 0;
g_stDfsCpuControl.ulCurSysUpTime++;
}
else if (ulCpuLoad_C < g_stDfsCpuConfigInfo.astThresHold[0].usProfileDownLimit)
{
/*Clean the Value of the System Over Load Counter*/
g_stDfsCpuControl.ulCurSysUpTime = 0;
g_stDfsCpuControl.ulCurSysDownTime++;
}
else /*The System Load is Normal Value*/
{
g_stDfsCpuControl.ulCurSysDownTime = 0;
g_stDfsCpuControl.ulCurSysUpTime = 0;
return DFS_PROFILE_NOCHANGE;
}
cur_profile = pwrctrl_dfs_get_profile();
if (g_stDfsCpuControl.ulCurSysDownTime >= g_stDfsCpuConfigInfo.usProfileDownTime)
{
g_stDfsCpuControl.ulCurSysDownTime = 0;
g_stDfsCpuControl.ulCurSysUpTime = 0;
*next_freq =( ulCpuLoad_C * (balong_query_profile_table[cur_profile].cpu_frequency))
/ (g_stDfsCpuConfigInfo.astThresHold[0].usProfileDownLimit);
return DFS_PROFILE_DOWN;
}
if (g_stDfsCpuControl.ulCurSysUpTime >= g_stDfsCpuConfigInfo.usProfileUpTime)
{
g_stDfsCpuControl.ulCurSysDownTime = 0;
g_stDfsCpuControl.ulCurSysUpTime = 0;
*next_freq = balong_query_profile_table[BALONG_FREQ_MAX].cpu_frequency;/*max cpufreq*/
return DFS_PROFILE_UP_TARGET;
}
return DFS_PROFILE_NOCHANGE;
}
/*find a freq in all table*/
static int cpufreq_frequency_table_target(struct cpufreq_frequency_table *table,
unsigned int target_freq,
unsigned int relation,
unsigned int *index)
{/*lint !e578 */
struct cpufreq_frequency_table optimal = {
.index = ~0,
.frequency = 0,
};
struct cpufreq_frequency_table suboptimal = {
.index = ~0,
.frequency = 0,
};
unsigned int i;
/*lint --e{744} */
switch (relation) {
case DFS_PROFILE_UP:
suboptimal.frequency = ~0;
break;
case DFS_PROFILE_DOWN:
optimal.frequency = ~0;
break;
}
for (i = 0; (table[i].frequency != (u32)CPUFREQ_TABLE_END); i++) {
unsigned int freq = table[i].frequency;
if (freq == (u32)CPUFREQ_ENTRY_INVALID)
continue;
if ((freq < balong_query_profile_table[BALONG_FREQ_MIN].cpu_frequency) || (freq > balong_query_profile_table[BALONG_FREQ_MAX].cpu_frequency))
continue;
switch (relation) {
case DFS_PROFILE_UP:
if (freq <= target_freq) {
if (freq >= optimal.frequency) {
optimal.frequency = freq;
optimal.index = i;
}
} else {
if (freq <= suboptimal.frequency) {
suboptimal.frequency = freq;
suboptimal.index = i;
}
}
break;
case DFS_PROFILE_DOWN:
if (freq >= target_freq) {
if (freq <= optimal.frequency) {
optimal.frequency = freq;
optimal.index = i;
}
} else {
if (freq >= suboptimal.frequency) {
suboptimal.frequency = freq;
suboptimal.index = i;
}
}
break;
}
}
if (optimal.index > i) {
if (suboptimal.index > i)
return BSP_ERROR;
*index = suboptimal.index;
} else
*index = optimal.index;
return BSP_OK;
}
/*****************************************************************************
Function: PWRCTRL_DfsMgrExcuteVoteResultCpu
Description:Handle the Profile Vote Result
Input: enResult: The Vote Value
Output: None
Return: None
Others:
*****************************************************************************/
static int cpufreq_excute_result_cpu(u32 relation, u32 target_freq)
{
u32 result = 2;
u32 new_index = 0;
int cur_profile = 0;
struct cpufreq_msg task_msg = {0,0,0,0};
cpufreq_frequency_table_target(balong_clockrate_table,
target_freq, relation, &new_index);
cpufreq_debug("target_freq %d new_index%d\n", target_freq, new_index);
cur_profile = pwrctrl_dfs_get_profile();
if ((DFS_PROFILE_UP == relation) && (BALONG_FREQ_MAX != cur_profile))
{
result = DFS_PROFILE_UP_TARGET;
}
else if ((DFS_PROFILE_DOWN == relation) && (BALONG_FREQ_MIN != cur_profile))
{
result = DFS_PROFILE_DOWN_TARGET;
}
else
{
cpufreq_err("set target relation %d, cur pro %d\n", relation, cur_profile);
return BSP_ERROR;
}
cpufreq_frequency_target_profile(balong_clockrate_table[new_index].frequency, relation, &new_index);
task_msg.msg_type = CPUFREQ_ADJUST_FREQ;
task_msg.source = CPUFREQ_CCORE;
task_msg.content = result;
task_msg.profile = new_index;
balong_cpufreq_icc_send(&task_msg);
g_stDfsCpuControl.enCurProfile = (u32)cur_profile;
return BSP_OK;
}
unsigned int cpufreq_calccpu_cpuload(void)
{
u32 end_time = 0;
u32 idle_time = 0;
u32 wall_time = 0;
u32 cpu_load = 0;
unsigned long irqlock = 0;
local_irq_save(irqlock);
end_time = bsp_get_slice_value();
wall_time = get_timer_slice_delta(g_cpufreq_start_time, end_time);
idle_time = g_ulDfsCcpuIdleTime_long;
g_cpufreq_start_time = end_time;
g_ulDfsCcpuIdleTime_long = 0;
g_flowctrl_in_interr_times = 0;
cpu_load = (wall_time == 0) ? (0) : (((wall_time - idle_time) * 100) / wall_time);
local_irq_restore(irqlock);
if (cpu_load > 100)
{
cpu_load = g_ulCCpuload;
cpufreq_info("cpuload: %d, wall:%d, idle:%d\n", cpu_load, wall_time, idle_time);
}
return cpu_load;
}
void cpufreq_init(void)
{
/*lint --e{516}*/
u32 i = 0;
u32 retValue = 0;
ST_PWC_SWITCH_STRU cpufreq_control_nv = {0} ;
retValue = bsp_nvm_read(NV_ID_DRV_NV_DFS_SWITCH,(u8*)&g_stDfsSwitch,sizeof(ST_PWC_DFS_STRU));
if (NV_OK != retValue)
{
cpufreq_err("read nv failed use default value\n");
g_stDfsSwitch.CcpuDownLimit = 60;
g_stDfsSwitch.CcpuDownNum = 3;
g_stDfsSwitch.CcpuUpLimit = 85;
g_stDfsSwitch.CcpuUpNum = 1;
g_stDfsSwitch.DFSTimerLen = 400;
g_stDfsSwitch.Strategy = 0;/*使用4s检测一次的策略*/
g_stDfsSwitch.DFSDdrUpLimit = 85;
g_stDfsSwitch.DFSDdrDownLimit = 60;
g_stDfsSwitch.DFSDdrprofile = 5;
g_stDfsSwitch.reserved = 0;
}
retValue = bsp_nvm_read(NV_ID_DRV_NV_PWC_SWITCH,(u8*)&cpufreq_control_nv,sizeof(ST_PWC_SWITCH_STRU));
if (NV_OK == retValue)
{
g_cpufreq_lock_status_flag = cpufreq_control_nv.dfs;
}
else
{
cpufreq_err("read nv failed %d\n", retValue);
}
memset(&g_stDfsCpuConfigInfo, 0, sizeof(g_stDfsCpuConfigInfo));
memset(&g_stDfsCpuControl, 0, sizeof(g_stDfsCpuControl));
g_stDfsCpuControl.enCurProfile = BALONG_FREQ_MAX;
register_icc_for_cpufreq();
cpufreq_table_init();
#ifdef CONFIG_CCORE_PM
if (bsp_device_pm_add(&g_cpufreq_dpm_device))
{
cpufreq_err("register dpm failed,check it\n");
}
#endif
/*bit1 使用MS级调频策略*/
if (g_stDfsSwitch.Strategy & 0x1)
{
g_sem_calccpu_flag = semBCreate(SEM_Q_PRIORITY, SEM_FULL); /*lint !e64 */
if (NULL == g_sem_calccpu_flag)
{
cpufreq_err("Create g_sem_k3get_volt Failed %d\n", g_sem_calccpu_flag);
}
}
g_stDfsCpuConfigInfo.ulDFSFunEnableFlag = DFS_TRUE;
g_stDfsCpuConfigInfo.usProfileDownTime = g_stDfsSwitch.CcpuDownNum;
g_stDfsCpuConfigInfo.usProfileUpTime = g_stDfsSwitch.CcpuUpNum;
g_stDfsCpuConfigInfo.ulProfileNum = DC_RESV;
g_stDfsCpuConfigInfo.ulTimerLen = g_stDfsSwitch.DFSTimerLen;
g_test_in_interr_times = g_stDfsSwitch.DFSTimerLen;
for (i = 0; i < g_stDfsCpuConfigInfo.ulProfileNum; i++)
{
g_stDfsCpuConfigInfo.astThresHold[i].usProfileUpLimit = g_stDfsSwitch.CcpuUpLimit;
g_stDfsCpuConfigInfo.astThresHold[i].usProfileDownLimit = g_stDfsSwitch.CcpuDownLimit;
}
INIT_LIST_HEAD(&(g_v9_qos_list.entry));
/*添加DDR调频请求*/
(void)PWRCTRL_DfsQosRequest(DFS_QOS_ID_DDR_MINFREQ, BALONG_DDRFREQUENCY_MIN, &g_ddr_request_id);
taskSpawn("dfs_task", 1, 0, 4096, (FUNCPTR)pwrctrl_dfs_mgrmsg_task, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);/*lint !e64 !e119 */
g_cpufreq_start_time = bsp_get_slice_value();
cpufreq_err("cpufreq init ok\n");
return;
}
void cpufreq_print_debug(void)
{
pwrctrl_dfs_get_profile();
cpufreq_err("cur\t profile: %d\n", g_cur_profile);
cpufreq_err("ccore\t load: %d\n", g_ulCCpuload);
cpufreq_err("lase\t ddr: %d\n", g_last_ddr_value_id);
cpufreq_err("up times: %d\n", g_stDfsCpuControl.ulCurSysUpTime);
cpufreq_err("down times: %d\n", g_stDfsCpuControl.ulCurSysDownTime);
cpufreq_err("up_threshold: %d\n", g_stDfsCpuConfigInfo.astThresHold[0].usProfileUpLimit);
cpufreq_err("up_threshold_times: %d\n", g_stDfsCpuConfigInfo.usProfileUpTime);
cpufreq_err("down_threshold: %d\n", g_stDfsCpuConfigInfo.astThresHold[0].usProfileDownLimit);
cpufreq_err("down_threshold_times: %d\n", g_stDfsCpuConfigInfo.usProfileDownTime);
cpufreq_err("sampling_rate: %d\n", g_stDfsCpuConfigInfo.ulTimerLen);
cpufreq_err("last icc msg\n");
cpufreq_err("icc msg_type: %d\n", debug_msg.msg_type);
cpufreq_err("icc source: %d\n", debug_msg.source);
cpufreq_err("icc content: %d\n", debug_msg.content);
cpufreq_err("icc profile: %d\n", debug_msg.profile);
cpufreq_err("cur max limit:%d\n", CPUFREQ_MAX_PROFILE_LIMIT);
cpufreq_err("cur min limit:%d\n", CPUFREQ_MIN_PROFILE_LIMIT);
}