1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
49 #define	CONTROL0		0	/* Offset in config->regs[] array */
61 #define	CONTROL1		1	/* Offset in config->regs[] array */
66 #define	STATUS			2	/* Offset in config->regs[] array */
99 	.calib_add = -150000,
116 	{"marvell,armada-ap806-thermal", (uintptr_t) &mv_ap806_config},
117 	{"marvell,armada-cp110-thermal", (uintptr_t) &mv_cp110_config},
122     SYSCON_READ_4((sc)->syscon, sc->config->regs[reg])
124 	SYSCON_WRITE_4((sc)->syscon, sc->config->regs[reg], (val))
130 	shift = 31 - index;  in sign_extend()
141 	while (--timeout > 0) {  in mv_thermal_wait_sensor()
143 		if ((reg & sc->config->valid_mask) == sc->config->valid_mask)  in mv_thermal_wait_sensor()
155 mv_thermal_select_sensor(struct mv_thermal_softc *sc, int sensor)  in mv_thermal_select_sensor()  argument
159 	if (sc->cur_sensor == sensor)  in mv_thermal_select_sensor()
167 	/* Switch to the selected sensor */  in mv_thermal_select_sensor()
173 	/* This reset automatically to the sensor 0 */  in mv_thermal_select_sensor()
175 	if (sensor) {  in mv_thermal_select_sensor()
176 		/* Select external sensor */  in mv_thermal_select_sensor()
179 		reg |= (sensor - 1) << CONTROL0_CHANNEL_SHIFT;  in mv_thermal_select_sensor()
182 	sc->cur_sensor = sensor;  in mv_thermal_select_sensor()
193 mv_thermal_read_sensor(struct mv_thermal_softc *sc, int sensor, int *temp)  in mv_thermal_read_sensor()  argument
198 	rv = mv_thermal_select_sensor(sc, sensor);  in mv_thermal_read_sensor()
204 	if (sc->config->signed_value)  in mv_thermal_read_sensor()
205 		sample = sign_extend(reg, fls(STATUS_TEMP_MASK) - 1);  in mv_thermal_read_sensor()
209 	*temp = ((sample * sc->config->calib_mul) - sc->config->calib_add) /  in mv_thermal_read_sensor()
210 		sc->config->calib_div;  in mv_thermal_read_sensor()
220 	/* Start the temp capture/conversion */  in ap806_init()
230 	/* Since we just started the module wait for the sensor to be ready */  in ap806_init()
259 	int sensor = arg2;  in mv_thermal_sysctl()  local
263 	mtx_lock(&(sc)->mtx);  in mv_thermal_sysctl()
265 	if (mv_thermal_read_sensor(sc, sensor, &val) == 0) {  in mv_thermal_sysctl()
269 		device_printf(dev, "Timeout waiting for sensor\n");  in mv_thermal_sysctl()
272 	mtx_unlock(&(sc)->mtx);  in mv_thermal_sysctl()
283 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in mv_thermal_probe()
286 	device_set_desc(dev, "Marvell Thermal Sensor Controller");  in mv_thermal_probe()
301 	sc->dev = dev;  in mv_thermal_attach()
303 	sc->config = (struct mv_thermal_config *)  in mv_thermal_attach()
304 	    ofw_bus_search_compatible(dev, compat_data)->ocd_data;  in mv_thermal_attach()
306 	mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in mv_thermal_attach()
308 	if (SYSCON_GET_HANDLE(sc->dev, &sc->syscon) != 0 ||  in mv_thermal_attach()
309 	    sc->syscon == NULL) {  in mv_thermal_attach()
314 	sc->cur_sensor = -1;  in mv_thermal_attach()
315 	switch (sc->config->type) {  in mv_thermal_attach()
326 	/* There is always at least one sensor */  in mv_thermal_attach()
333 	for (i = 0; i < sc->config->ncpus; i++) {  in mv_thermal_attach()