1 /*-
48 #include <dev/nvmem/nvmem.h>
175 	return ((A83T_TEMP_BASE - (val * A83T_TEMP_MUL)) / A83T_TEMP_DIV);  in a83t_to_temp()
207 	return ((A64_TEMP_BASE - (val * A64_TEMP_MUL)) / A64_TEMP_DIV);  in a64_to_temp()
239 	return (H3_TEMP_BASE - ((val * H3_TEMP_MUL) / H3_TEMP_DIV));  in h3_to_temp()
245 	return ((H3_TEMP_MINUS - (val * H3_TEMP_DIV)) / H3_TEMP_MUL);  in h3_to_reg()
275 		tmp = H5_TEMP_BASE - (val * H5_TEMP_MUL);  in h5_to_temp()
281 		tmp = H5_TEMP_BASE_CPU - (val * H5_TEMP_MUL_CPU);  in h5_to_temp()
283 		tmp = H5_TEMP_BASE_GPU - (val * H5_TEMP_MUL_GPU);  in h5_to_temp()
299 		tmp = H5_TEMP_BASE - (val << H5_TEMP_DIV);  in h5_to_reg()
303 			tmp = H5_TEMP_BASE_CPU - (val << H5_TEMP_DIV);  in h5_to_reg()
306 			tmp = H5_TEMP_BASE_GPU - (val << H5_TEMP_DIV);  in h5_to_reg()
343 	{ "allwinner,sun8i-a83t-ths",	(uintptr_t)&a83t_config },
344 	{ "allwinner,sun8i-h3-ths",	(uintptr_t)&h3_config },
345 	{ "allwinner,sun50i-a64-ths",	(uintptr_t)&a64_config },
346 	{ "allwinner,sun50i-h5-ths",	(uintptr_t)&h5_config },
351 	(void *)ofw_bus_search_compatible((d), compat_data)->ocd_data
371 	{ -1, 0 }
374 #define	RD4(sc, reg)		bus_read_4((sc)->res[0], (reg))
375 #define	WR4(sc, reg, val)	bus_write_4((sc)->res[0], (reg), (val))
384 	node = ofw_bus_get_node(sc->dev);  in aw_thermal_init()
386 		device_printf(sc->dev, "calibration nvmem cell is too large\n");  in aw_thermal_init()
393 		device_printf(sc->dev, "Cannot read THS efuse\n");  in aw_thermal_init()
397 	calib[0] &= sc->conf->calib0_mask;  in aw_thermal_init()
398 	calib[1] &= sc->conf->calib1_mask;  in aw_thermal_init()
408 	WR4(sc, THS_CTRL0, sc->conf->adc_acquire_time);  in aw_thermal_init()
409 	WR4(sc, THS_CTRL2, sc->conf->adc_acquire_time << SENSOR_ACQ1_SHIFT);  in aw_thermal_init()
412 	WR4(sc, THS_INTC, sc->conf->thermal_per << THS_THERMAL_PER_SHIFT);  in aw_thermal_init()
415 	WR4(sc, THS_FILTER, sc->conf->filter);  in aw_thermal_init()
434 	return (sc->conf->to_temp(val, sensor));  in aw_thermal_gettemp()
445 	return (sc->conf->to_temp(val, sensor));  in aw_thermal_getshut()
455 	val |= (sc->conf->to_reg(temp, sensor) << SHUT_T_HOT_SHIFT);  in aw_thermal_setshut()
467 	return (sc->conf->to_temp(val, sensor));  in aw_thermal_gethyst()
478 	return (sc->conf->to_temp(val, sensor));  in aw_thermal_getalarm()
488 	val |= (sc->conf->to_reg(temp, sensor) << ALARM_T_HOT_SHIFT);  in aw_thermal_setalarm()
512 	if (enable == sc->throttle)  in aw_thermal_throttle()
517 		cf_dev = devclass_get_device(devclass_find("cpufreq"), 0);  in aw_thermal_throttle()
521 		error = CPUFREQ_LEVELS(cf_dev, sc->levels, &count);  in aw_thermal_throttle()
524 		sc->min_freq = sc->levels[count - 1].total_set.freq;  in aw_thermal_throttle()
525 		error = CPUFREQ_SET(cf_dev, &sc->levels[count - 1],  in aw_thermal_throttle()
531 	sc->throttle = enable;  in aw_thermal_throttle()
552 	if (aw_thermal_throttle_enable == 0 || sc->throttle == 0 ||  in aw_thermal_cf_pre_change()
553 	    level->total_set.freq == sc->min_freq)  in aw_thermal_cf_pre_change()
580 		    "WARNING - current temperature exceeds safe limits\n");  in aw_thermal_intr()
585 		taskqueue_enqueue(taskqueue_thread, &sc->cf_task);  in aw_thermal_intr()
610 	sc->dev = dev;  in aw_thermal_attach()
614 	sc->conf = THS_CONF(dev);  in aw_thermal_attach()
615 	TASK_INIT(&sc->cf_task, 0, aw_thermal_cf_task, sc);  in aw_thermal_attach()
617 	if (bus_alloc_resources(dev, aw_thermal_spec, sc->res) != 0) {  in aw_thermal_attach()
622 	if (clk_get_by_ofw_name(dev, 0, "bus", &sc->clk_apb) == 0) {  in aw_thermal_attach()
623 		error = clk_enable(sc->clk_apb);  in aw_thermal_attach()
630 	if (clk_get_by_ofw_name(dev, 0, "mod", &sc->clk_ths) == 0) {  in aw_thermal_attach()
631 		error = clk_set_freq(sc->clk_ths, sc->conf->clk_rate, 0);  in aw_thermal_attach()
636 		error = clk_enable(sc->clk_ths);  in aw_thermal_attach()
646 			device_printf(dev, "cannot de-assert reset\n");  in aw_thermal_attach()
651 	error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_MISC | INTR_MPSAFE,  in aw_thermal_attach()
658 	for (i = 0; i < sc->conf->nsensors; i++) {  in aw_thermal_attach()
659 		if (sc->conf->sensors[i].init_alarm > 0)  in aw_thermal_attach()
661 			    sc->conf->sensors[i].init_alarm);  in aw_thermal_attach()
662 		if (sc->conf->sensors[i].init_shut > 0)  in aw_thermal_attach()
664 			    sc->conf->sensors[i].init_shut);  in aw_thermal_attach()
670 	for (i = 0; i < sc->conf->nsensors; i++)  in aw_thermal_attach()
673 		    OID_AUTO, sc->conf->sensors[i].name,  in aw_thermal_attach()
676 		    sc->conf->sensors[i].desc);  in aw_thermal_attach()
679 		for (i = 0; i < sc->conf->nsensors; i++) {  in aw_thermal_attach()
682 			    sc->conf->sensors[i].name,  in aw_thermal_attach()
688 	sc->cf_pre_tag = EVENTHANDLER_REGISTER(cpufreq_pre_change,  in aw_thermal_attach()
695 		bus_teardown_intr(dev, sc->res[1], ih);  in aw_thermal_attach()
698 	if (sc->clk_apb != NULL)  in aw_thermal_attach()
699 		clk_release(sc->clk_apb);  in aw_thermal_attach()
700 	if (sc->clk_ths != NULL)  in aw_thermal_attach()
701 		clk_release(sc->clk_ths);  in aw_thermal_attach()
702 	bus_release_resources(dev, aw_thermal_spec, sc->res);  in aw_thermal_attach()