1 // SPDX-License-Identifier: GPL-2.0-only
11  * that none of the code has been re-used, it's a complete re-implementation
165 		tmax = ((s32)fvt->maxtemp) << 16;  in wf_smu_create_cpu_fans()
174        	wf_smu_cpu_fans->ticks = 1;  in wf_smu_create_cpu_fans()
178 	pid_param.history_len = piddata->history_len;  in wf_smu_create_cpu_fans()
181 		       "CPU control loop (%d)\n", piddata->history_len);  in wf_smu_create_cpu_fans()
184 	pid_param.gd = piddata->gd;  in wf_smu_create_cpu_fans()
185 	pid_param.gp = piddata->gp;  in wf_smu_create_cpu_fans()
186 	pid_param.gr = piddata->gr / pid_param.history_len;  in wf_smu_create_cpu_fans()
188 	tdelta = ((s32)piddata->target_temp_delta) << 16;  in wf_smu_create_cpu_fans()
189 	maxpow = ((s32)piddata->max_power) << 16;  in wf_smu_create_cpu_fans()
190 	powadj = ((s32)piddata->power_adj) << 16;  in wf_smu_create_cpu_fans()
193 	pid_param.ttarget = tmax - tdelta;  in wf_smu_create_cpu_fans()
194 	pid_param.pmaxadj = maxpow - powadj;  in wf_smu_create_cpu_fans()
199 	wf_cpu_pid_init(&wf_smu_cpu_fans->pid, &pid_param);  in wf_smu_create_cpu_fans()
223 	if (--st->ticks != 0) {  in wf_smu_cpu_fans_tick()
228 	st->ticks = WF_SMU_CPU_FANS_INTERVAL;  in wf_smu_cpu_fans_tick()
253 	if (temp > st->pid.param.tmax)  in wf_smu_cpu_fans_tick()
256 	new_setpoint = wf_cpu_pid_run(&st->pid, power, temp);  in wf_smu_cpu_fans_tick()
260 	if (st->cpu_setpoint == new_setpoint)  in wf_smu_cpu_fans_tick()
262 	st->cpu_setpoint = new_setpoint;  in wf_smu_cpu_fans_tick()
265 		rc = wf_control_set(fan_cpu_main, st->cpu_setpoint);  in wf_smu_cpu_fans_tick()
273 		rc = wf_control_set(fan_cpu_second, st->cpu_setpoint);  in wf_smu_cpu_fans_tick()
281 		rc = wf_control_set(fan_cpu_third, st->cpu_setpoint);  in wf_smu_cpu_fans_tick()
309        	wf_smu_drive_fans->ticks = 1;  in wf_smu_create_drive_fans()
312 	param.additive = (fan_hd->type == WF_CONTROL_RPM_FAN);  in wf_smu_create_drive_fans()
315 	wf_pid_init(&wf_smu_drive_fans->pid, &param);  in wf_smu_create_drive_fans()
332 	if (--st->ticks != 0) {  in wf_smu_drive_fans_tick()
337 	st->ticks = st->pid.param.interval;  in wf_smu_drive_fans_tick()
341 		printk(KERN_WARNING "windfarm: HD temp sensor error %d\n",  in wf_smu_drive_fans_tick()
347 	DBG("wf_smu: Drive Fans tick ! HD temp: %d.%03d\n",  in wf_smu_drive_fans_tick()
350 	if (temp > (st->pid.param.itarget + 0x50000))  in wf_smu_drive_fans_tick()
353 	new_setpoint = wf_pid_run(&st->pid, temp);  in wf_smu_drive_fans_tick()
357 	if (st->setpoint == new_setpoint)  in wf_smu_drive_fans_tick()
359 	st->setpoint = new_setpoint;  in wf_smu_drive_fans_tick()
362 		rc = wf_control_set(fan_hd, st->setpoint);  in wf_smu_drive_fans_tick()
364 			printk(KERN_WARNING "windfarm: HD fan error %d\n",  in wf_smu_drive_fans_tick()
390        	wf_smu_slots_fans->ticks = 1;  in wf_smu_create_slots_fans()
393 	param.additive = (fan_slots->type == WF_CONTROL_RPM_FAN);  in wf_smu_create_slots_fans()
396 	wf_pid_init(&wf_smu_slots_fans->pid, &param);  in wf_smu_create_slots_fans()
413 	if (--st->ticks != 0) {  in wf_smu_slots_fans_tick()
418 	st->ticks = st->pid.param.interval;  in wf_smu_slots_fans_tick()
432 	if (power > (st->pid.param.itarget + 0x50000))  in wf_smu_slots_fans_tick()
436 	new_setpoint = wf_pid_run(&st->pid, power);  in wf_smu_slots_fans_tick()
440 	if (st->setpoint == new_setpoint)  in wf_smu_slots_fans_tick()
442 	st->setpoint = new_setpoint;  in wf_smu_slots_fans_tick()
445 		rc = wf_control_set(fan_slots, st->setpoint);  in wf_smu_slots_fans_tick()
474 	if (wf_smu_skipping && --wf_smu_skipping)  in wf_smu_tick()
489 	 * fans to full speed.  in wf_smu_tick()
542 	if (fan_cpu_main == NULL && !strcmp(ct->name, "cpu-rear-fan-0")) {  in wf_smu_new_control()
547 	if (fan_cpu_second == NULL && !strcmp(ct->name, "cpu-rear-fan-1")) {  in wf_smu_new_control()
552 	if (fan_cpu_third == NULL && !strcmp(ct->name, "cpu-front-fan-0")) {  in wf_smu_new_control()
557 	if (cpufreq_clamp == NULL && !strcmp(ct->name, "cpufreq-clamp")) {  in wf_smu_new_control()
562 	if (fan_hd == NULL && !strcmp(ct->name, "drive-bay-fan")) {  in wf_smu_new_control()
567 	if (fan_slots == NULL && !strcmp(ct->name, "slots-fan")) {  in wf_smu_new_control()
582 	if (sensor_cpu_power == NULL && !strcmp(sr->name, "cpu-power")) {  in wf_smu_new_sensor()
587 	if (sensor_cpu_temp == NULL && !strcmp(sr->name, "cpu-temp")) {  in wf_smu_new_sensor()
592 	if (sensor_hd_temp == NULL && !strcmp(sr->name, "hd-temp")) {  in wf_smu_new_sensor()
597 	if (sensor_slots_power == NULL && !strcmp(sr->name, "slots-power")) {  in wf_smu_new_sensor()
614 		    ((struct wf_control *)data)->name);  in wf_smu_notify()
620 		    ((struct wf_sensor *)data)->name);  in wf_smu_notify()
708 	int rc = -ENODEV;  in wf_smu_init()