/*
* 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);
}
static void pwrctrl_dfs_mgrmsg_task(void)
{
int cur_profile = 0;
unsigned int flowctrl_cpuload = 0;
PWRCTRLFUNCPTR pRoutine = NULL;
struct cpufreq_msg task_msg = {0,0,0,0};
g_stDfsCpuControl.ulStartTime = bsp_get_slice_value();
/* coverity[INFINITE_LOOP] */
/* coverity[no_escape] */
for (;;)
{
if (NULL != g_sem_calccpu_flag)
{
semTake(g_sem_calccpu_flag, DFS_WAIT_FOREVER);
/*调用ttf回调函数*/
if ((NULL != FlowCtrlCallBack) && (g_flowctrl_in_interr_times >= 200))
{
flowctrl_cpuload = cpufreq_calccpu_cpuload();
pRoutine = FlowCtrlCallBack;
(void)(*pRoutine)(flowctrl_cpuload);
}
}
else
{
taskDelay((int)g_stDfsCpuConfigInfo.ulTimerLen);
g_calccpu_load_result = cpufreq_calccpu_result(&g_next_freq);
}
if (!g_cpufreq_lock_status_flag)
{
continue;
}
cur_profile = pwrctrl_dfs_get_profile();
cpufreq_assistant_regulate_ddr(cur_profile);
if (DFS_PROFILE_NOCHANGE != g_calccpu_load_result)
{
if (g_icc_run_flag == 1)
{
task_msg.msg_type = CPUFREQ_ADJUST_FREQ;
task_msg.source = CPUFREQ_CCORE;
task_msg.content = g_calccpu_load_result;
if (DFS_PROFILE_UP_TARGET == g_calccpu_load_result)
{
cur_profile = DC_RESV;
}
else if ((u32)cur_profile == CPUFREQ_MIN_PROFILE_LIMIT)
{
continue;
}
task_msg.profile = (unsigned int)cur_profile - 1;
balong_cpufreq_icc_send(&task_msg);
}
else if (g_icc_run_flag == 2)
{
cpufreq_excute_result_cpu(g_calccpu_load_result, g_next_freq);
}
}
}
}
void test_send_msg(unsigned int msg_type, unsigned int source, unsigned int content, unsigned int profile)
{
struct cpufreq_msg task_msg = {0,0,0,0};
task_msg.msg_type = msg_type;
task_msg.source = source;
task_msg.content = content;
task_msg.profile = profile;
balong_cpufreq_icc_send(&task_msg);
}
/*
* 锁定调频 DFS_PROFILE_LOCKFREQ=0锁定;DFS_PROFILE_LOCKFREQ=1解锁
*/
void pwrctrl_dfs_lock(u32 lock)
{
struct cpufreq_msg set_msg = {0,0,0,0};
cpufreq_debug("cpufreq lock status is: %d\n", g_cpufreq_lock_status_flag);
g_cpufreq_lock_status_flag = (s32)lock;
set_msg.content = lock;
set_msg.msg_type = CPUFREQ_LOCK_MCORE_ACTION;
set_msg.source = CPUFREQ_ACORE;
balong_cpufreq_icc_send(&set_msg);
}
/*
* 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);
}
/*
* Here we notify other drivers of the proposed change and the final change.
*
*
*根据relation做相应动作
*/
static s32 balong_cpufreq_target(struct cpufreq_policy *policy,
u32 target_freq,
u32 relation)
{
u32 result = 2;
u32 new_index = 0;
int cur_profile = 0;
struct cpufreq_msg task_msg = {0,0,0,0};
cpufreq_frequency_table_target(policy, 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 ((CPUFREQ_RELATION_H == relation) && (BALONG_FREQ_MAX != cur_profile))
{
result = DFS_PROFILE_UP_TARGET;
}
else if ((CPUFREQ_RELATION_L == relation) && (BALONG_FREQ_MIN != cur_profile))
{
result = DFS_PROFILE_DOWN_TARGET;
}
else
{
policy->cur = balong_clockrate_table[cur_profile].frequency;
g_cur_freq = policy->cur;
cpufreq_info("set target relation %d, cur pro %d\n", relation, policy->cur);
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_ACORE;
task_msg.content = result;
task_msg.profile = new_index;
balong_cpufreq_icc_send(&task_msg);
policy->cur = balong_clockrate_table[cur_profile].frequency;
g_cur_freq = policy->cur;
return BSP_OK;
}
/*
* 该接口负责cpu负载检测，
* 并根据预设阈值判决是否需要向M3请求调频
*/
void cpufreq_update_frequency(void)
{
u32 cpuload = 0;
int cur_profile = 0;
struct cpufreq_msg task_msg = {CPUFREQ_ADJUST_FREQ, CPUFREQ_ACORE, 0, BALONG_FREQ_MAX};
cpuload = (u32)cpufreq_calccpu_cpuload();
cur_profile = (int)pwrctrl_dfs_get_profile();
if (cpuload > dbs_tuners_ins.up_threshold)
{
task_msg.content = DFS_PROFILE_UP_TARGET;
}
else if (cpuload < dbs_tuners_ins.down_threshold)
{
task_msg.profile = (cur_profile != BALONG_FREQ_MIN) ? (cur_profile - 1) : (BALONG_FREQ_MIN);
task_msg.content = DFS_PROFILE_DOWN;
}
else
{
return;
}
balong_cpufreq_icc_send(&task_msg);
}
/*
* 该接口负责cpu负载检测，
* 并根据预设阈值判决是否需要向M3请求调频
*/
void cpufreq_update_frequency(void)
{
u32 cpuload = 0;
int cur_profile = 0;
struct cpufreq_msg task_msg = {CPUFREQ_ADJUST_FREQ, CPUFREQ_CCORE, 0, BALONG_FREQ_MAX};
cpuload = cpufreq_calccpu_cpuload();
cur_profile = pwrctrl_dfs_get_profile();
if (cpuload > g_stDfsCpuConfigInfo.astThresHold[0].usProfileUpLimit)
{
task_msg.content = DFS_PROFILE_UP_TARGET;
}
else if (cpuload < g_stDfsCpuConfigInfo.astThresHold[0].usProfileDownLimit)
{
task_msg.profile = (cur_profile != BALONG_FREQ_MIN) ? (cur_profile - 1) : (BALONG_FREQ_MIN);
task_msg.content = DFS_PROFILE_DOWN;
}
else
{
return;
}
balong_cpufreq_icc_send(&task_msg);
}
/*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;
}