1 // SPDX-License-Identifier: GPL-2.0-only
93 #define LOW_OVER_CLEAR		((-10) << 16)
103 	/* We max all CPU fans in case of a sensor error. We also do the  in cpu_max_all_fans()
155 	 * We calculate a history of max temperatures and use that for the  in cpu_check_overtemp()
161 	cpu_thist_total -= t_old;  in cpu_check_overtemp()
187 		/* High overtemp -> immediate shutdown */  in cpu_check_overtemp()
211 		return -EIO;  in read_one_cpu_vals()
220 		return -EIO;  in read_one_cpu_vals()
228 		return -EIO;  in read_one_cpu_vals()
248 	s32 speed, temp, power, t_max = 0;  in cpu_fans_tick()  local
255 		/* Read current speed */  in cpu_fans_tick()
256 		wf_control_get(cpu_fans[cpu][0], &sp->target);  in cpu_fans_tick()
266 		t_max = max(t_max, temp);  in cpu_fans_tick()
275 		DBG_LOTS("  CPU%d: target = %d RPM\n", cpu, sp->target);  in cpu_fans_tick()
278 		speed = max(sp->target, dimms_output_clamp);  in cpu_fans_tick()
282 			err = wf_control_set(cpu_fans[cpu][i], speed);  in cpu_fans_tick()
285 					cpu_fans[cpu][i]->name, err);  in cpu_fans_tick()
301 	tmax = mpu->tmax << 16;  in cpu_setup_pid()
302 	ttarget = mpu->ttarget << 16;  in cpu_setup_pid()
303 	ptarget = ((s32)(mpu->pmaxh - mpu->padjmax)) << 16;  in cpu_setup_pid()
312 	/* Set PID min/max by using the rear fan min/max */  in cpu_setup_pid()
315 	DBG("wf_72: CPU%d max RPM range = [%d..%d]\n", cpu, fmin, fmax);  in cpu_setup_pid()
318 	hsize = min_t(int, mpu->tguardband, WF_PID_MAX_HISTORY);  in cpu_setup_pid()
324 	pid.gd		= mpu->pid_gd;  in cpu_setup_pid()
325 	pid.gp		= mpu->pid_gp;  in cpu_setup_pid()
326 	pid.gr		= mpu->pid_gr;  in cpu_setup_pid()
331 	pid.max		= fmax;  in cpu_setup_pid()
349 	.max		= 100,
362 	.max		= 14000,
368 	int speed, dspeed, fan_min;  in backside_fan_tick()  local
373 	if (--backside_tick > 0)  in backside_fan_tick()
379 	/* Update fan speed from actual fans */  in backside_fan_tick()
380 	err = wf_control_get(backside_fan, &speed);  in backside_fan_tick()
382 		backside_pid.target = speed;  in backside_fan_tick()
392 	speed = wf_pid_run(&backside_pid, temp);  in backside_fan_tick()
394 	DBG_LOTS("backside PID temp=%d.%.3d speed=%d\n",  in backside_fan_tick()
395 		 FIX32TOPRINT(temp), speed);  in backside_fan_tick()
409 	fan_min = max(fan_min, backside_param.min);  in backside_fan_tick()
410 	speed = max(speed, fan_min);  in backside_fan_tick()
412 	err = wf_control_set(backside_fan, speed);  in backside_fan_tick()
427 	param.min = max(param.min, fmin);  in backside_setup_pid()
428 	param.max = min(param.max, fmax);  in backside_setup_pid()
449 	.max		= 100,
455 	int speed;  in slots_fan_tick()  local
460 	if (--slots_tick > 0)  in slots_fan_tick()
473 	speed = wf_pid_run(&slots_pid, temp);  in slots_fan_tick()
475 	DBG_LOTS("slots PID temp=%d.%.3d speed=%d\n",  in slots_fan_tick()
476 		 FIX32TOPRINT(temp), speed);  in slots_fan_tick()
478 	slots_speed = speed;  in slots_fan_tick()
479 	err = wf_control_set(slots_fan, speed);  in slots_fan_tick()
493 	param.min = max(param.min, fmin);  in slots_setup_pid()
494 	param.max = min(param.max, fmax);  in slots_setup_pid()
571 	if (!strcmp(ct->name, "cpu-fan-a-0"))  in rm31_new_control()
573 	else if (!strcmp(ct->name, "cpu-fan-b-0"))  in rm31_new_control()
575 	else if (!strcmp(ct->name, "cpu-fan-c-0"))  in rm31_new_control()
577 	else if (!strcmp(ct->name, "cpu-fan-a-1"))  in rm31_new_control()
579 	else if (!strcmp(ct->name, "cpu-fan-b-1"))  in rm31_new_control()
581 	else if (!strcmp(ct->name, "cpu-fan-c-1"))  in rm31_new_control()
583 	else if (!strcmp(ct->name, "backside-fan"))  in rm31_new_control()
585 	else if (!strcmp(ct->name, "slots-fan"))  in rm31_new_control()
587 	else if (!strcmp(ct->name, "cpufreq-clamp"))  in rm31_new_control()
609 	if (!strcmp(sr->name, "cpu-diode-temp-0"))  in rm31_new_sensor()
611 	else if (!strcmp(sr->name, "cpu-diode-temp-1"))  in rm31_new_sensor()
613 	else if (!strcmp(sr->name, "cpu-voltage-0"))  in rm31_new_sensor()
615 	else if (!strcmp(sr->name, "cpu-voltage-1"))  in rm31_new_sensor()
617 	else if (!strcmp(sr->name, "cpu-current-0"))  in rm31_new_sensor()
619 	else if (!strcmp(sr->name, "cpu-current-1"))  in rm31_new_sensor()
621 	else if (!strcmp(sr->name, "backside-temp"))  in rm31_new_sensor()
623 	else if (!strcmp(sr->name, "slots-temp"))  in rm31_new_sensor()
625 	else if (!strcmp(sr->name, "dimms-temp"))  in rm31_new_sensor()
693 		return -ENODEV;  in wf_rm31_init()
710 			return -ENXIO;  in wf_rm31_init()