sparc64/dev/beep.c

107 	struct beep_softc *sc = (void *)self;
111 	sc->sc_iot = ea->ea_memtag;
115 		if (bus_space_map(sc->sc_iot, ea->ea_vaddrs[0], 0,
116 		    BUS_SPACE_MAP_PROMADDRESS, &sc->sc_ioh)) {
120 	} else if (ebus_bus_map(sc->sc_iot, 0,
122 	    &sc->sc_ioh) != 0) {
128 	sc->sc_clk = getpropint(findroot(), "clock-frequency", 0);
129 	sc->sc_clk /= 2;
136 		sc->sc_freqs[i].reg = 1 << (18 - i);
137 		sc->sc_freqs[i].freq = sc->sc_clk / sc->sc_freqs[i].reg;
141 	beep_setfreq(sc, 1200);
144 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CTRL,
148 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CTRL,
152 	printf(": clock %sMHz\n", clockfreq(sc->sc_clk));
155 	timeout_set(&sc->sc_to, beep_stop, sc);
156 	hidkbd_hookup_bell(beep_bell, sc);
161 beep_setfreq(struct beep_softc *sc, int freq)
165 	n = sizeof(sc->sc_freqs)/sizeof(sc->sc_freqs[0]);
167 	if (freq < sc->sc_freqs[0].freq)
169 	if (freq > sc->sc_freqs[n - 1].freq)
173 		if (sc->sc_freqs[i].freq == freq)
175 		else if (sc->sc_freqs[i].freq > freq) {
178 			diff1 = freq - sc->sc_freqs[i - 1].freq;
179 			diff2 = sc->sc_freqs[i].freq - freq;
190 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CNT_0,
191 	    (sc->sc_freqs[i].reg >> 24) & 0xff);
192 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CNT_1,
193 	    (sc->sc_freqs[i].reg >> 16) & 0xff);
194 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CNT_2,
195 	    (sc->sc_freqs[i].reg >>  8) & 0xff);
196 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CNT_3,
197 	    (sc->sc_freqs[i].reg >>  0) & 0xff);
204 	struct beep_softc *sc = vsc;
208 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CTRL,
210 	sc->sc_bellactive = 0;
211 	sc->sc_belltimeout = 0;
218 	struct beep_softc *sc = vsc;
222 	if (sc->sc_bellactive) {
223 		if (sc->sc_belltimeout == 0)
224 			timeout_del(&sc->sc_to);
227 		beep_stop(sc);
231 	if (!sc->sc_bellactive) {
232 		sc->sc_bellactive = 1;
233 		sc->sc_belltimeout = 1;
234 		bus_space_write_1(sc->sc_iot, sc->sc_ioh, BEEP_CTRL,
236 		timeout_add_msec(&sc->sc_to, period);