static void wf_smu_tick(void)
{
unsigned int last_failure = wf_smu_failure_state;
unsigned int new_failure;
if (!wf_smu_started) {
DBG("wf: creating control loops !\n");
wf_smu_create_drive_fans();
wf_smu_create_slots_fans();
wf_smu_create_cpu_fans();
wf_smu_started = 1;
}
/* Skipping ticks */
if (wf_smu_skipping && --wf_smu_skipping)
return;
wf_smu_failure_state = 0;
if (wf_smu_drive_fans)
wf_smu_drive_fans_tick(wf_smu_drive_fans);
if (wf_smu_slots_fans)
wf_smu_slots_fans_tick(wf_smu_slots_fans);
if (wf_smu_cpu_fans)
wf_smu_cpu_fans_tick(wf_smu_cpu_fans);
wf_smu_readjust = 0;
new_failure = wf_smu_failure_state & ~last_failure;
/* If entering failure mode, clamp cpufreq and ramp all
* fans to full speed.
*/
if (wf_smu_failure_state && !last_failure) {
if (cpufreq_clamp)
wf_control_set_max(cpufreq_clamp);
if (fan_cpu_main)
wf_control_set_max(fan_cpu_main);
if (fan_cpu_second)
wf_control_set_max(fan_cpu_second);
if (fan_cpu_third)
wf_control_set_max(fan_cpu_third);
if (fan_hd)
wf_control_set_max(fan_hd);
if (fan_slots)
wf_control_set_max(fan_slots);
}
/* If leaving failure mode, unclamp cpufreq and readjust
* all fans on next iteration
*/
if (!wf_smu_failure_state && last_failure) {
if (cpufreq_clamp)
wf_control_set_min(cpufreq_clamp);
wf_smu_readjust = 1;
}
/* Overtemp condition detected, notify and start skipping a couple
* ticks to let the temperature go down
*/
if (new_failure & FAILURE_OVERTEMP) {
wf_set_overtemp();
wf_smu_skipping = 2;
}
/* We only clear the overtemp condition if overtemp is cleared
* _and_ no other failure is present. Since a sensor error will
* clear the overtemp condition (can't measure temperature) at
* the control loop levels, but we don't want to keep it clear
* here in this case
*/
if (new_failure == 0 && last_failure & FAILURE_OVERTEMP)
wf_clear_overtemp();
}
static void wf_smu_tick(void)
{
unsigned int last_failure = wf_smu_failure_state;
unsigned int new_failure;
if (!wf_smu_started) {
DBG("wf: creating control loops !\n");
wf_smu_create_drive_fans();
wf_smu_create_slots_fans();
wf_smu_create_cpu_fans();
wf_smu_started = 1;
}
if (wf_smu_skipping && --wf_smu_skipping)
return;
wf_smu_failure_state = 0;
if (wf_smu_drive_fans)
wf_smu_drive_fans_tick(wf_smu_drive_fans);
if (wf_smu_slots_fans)
wf_smu_slots_fans_tick(wf_smu_slots_fans);
if (wf_smu_cpu_fans)
wf_smu_cpu_fans_tick(wf_smu_cpu_fans);
wf_smu_readjust = 0;
new_failure = wf_smu_failure_state & ~last_failure;
if (wf_smu_failure_state && !last_failure) {
if (cpufreq_clamp)
wf_control_set_max(cpufreq_clamp);
if (fan_cpu_main)
wf_control_set_max(fan_cpu_main);
if (fan_cpu_second)
wf_control_set_max(fan_cpu_second);
if (fan_cpu_third)
wf_control_set_max(fan_cpu_third);
if (fan_hd)
wf_control_set_max(fan_hd);
if (fan_slots)
wf_control_set_max(fan_slots);
}
if (!wf_smu_failure_state && last_failure) {
if (cpufreq_clamp)
wf_control_set_min(cpufreq_clamp);
wf_smu_readjust = 1;
}
if (new_failure & FAILURE_OVERTEMP) {
wf_set_overtemp();
wf_smu_skipping = 2;
}
if (new_failure == 0 && last_failure & FAILURE_OVERTEMP)
wf_clear_overtemp();
}