1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause AND BSD-3-Clause
27 /*-
80 #include <dev/sound/pcm/sound.h>
109 	/* Device interface. */
116 	"pcm",
128 	/* Device interface. */
137 	int			 detect_active; /* for extint-gpio */
138 	int			 level;		/* for extint-gpio */
139 	struct i2s_softc	*i2s;		/* for extint-gpio */
195 	sc->aoa.sc_dev = self;  in i2s_attach()
196 	sc->node = ofw_bus_get_node(self);  in i2s_attach()
198 	port = of_find_firstchild_byname(sc->node, "i2s-a");  in i2s_attach()
199 	if (port == -1)  in i2s_attach()
201 	sc->soundnode = of_find_firstchild_byname(port, "sound");  in i2s_attach()
202 	if (sc->soundnode == -1)  in i2s_attach()
205 	mtx_init(&sc->port_mtx, "port_mtx", NULL, MTX_DEF);  in i2s_attach()
209 	sc->reg = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);  in i2s_attach()
210 	if (sc->reg == NULL)  in i2s_attach()
215 	sc->aoa.sc_odma = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,   in i2s_attach()
217 	if (sc->aoa.sc_odma == NULL)  in i2s_attach()
220 	/* Establish the DBDMA channel edge-triggered interrupt. */  in i2s_attach()
246 	i2s_delayed_attach->ich_func = i2s_postattach;  in i2s_attach()
247 	i2s_delayed_attach->ich_arg = sc;  in i2s_attach()
280 	{"headphone-mute",      HEADPHONE_MUTE},
281 	{"lineout-mute",	LINEOUT_MUTE},
282 	{"amp-mute",	    	AMP_MUTE},
283 	{"headphone-detect",    HEADPHONE_DETECT},
284 	{"lineout-detect",      LINEOUT_DETECT},
285 	{"line-output-detect",  LINEOUT_DETECT},
286 	{"audio-hw-reset",      AUDIO_HW_RESET},
287 	{"hw-reset",	    	AUDIO_HW_RESET},
302 		sc->level = sc->detect_active;  in aoagpio_int()
304 		sc->level = !(sc->detect_active);  in aoagpio_int()
306 	if (sc->i2s)  in aoagpio_int()
307 		i2s_cint(sc->i2s);  in aoagpio_int()
320 	if (node == 0 || node == -1)  in aoagpio_probe()
324 	if (OF_getprop(node, "audio-gpio", bname, sizeof(bname)) > 2)  in aoagpio_probe()
330 	for (m = gpio_controls; m->name != NULL; m++) {  in aoagpio_probe()
331 		if (strcmp(name, m->name) == 0) {  in aoagpio_probe()
333 			gpio_ctrls[m->ctrl] = sc;  in aoagpio_probe()
334 			sc->dev = gpio;  in aoagpio_probe()
335 			sc->ctrl = m->ctrl;  in aoagpio_probe()
336 			sc->level = 0;  in aoagpio_probe()
337 			sc->detect_active = 0;  in aoagpio_probe()
338 			sc->i2s = NULL;  in aoagpio_probe()
340 			OF_getprop(node, "audio-gpio-active-state",   in aoagpio_probe()
341 				&sc->detect_active, sizeof(sc->detect_active));  in aoagpio_probe()
343 			if ((1 << m->ctrl) & GPIO_CTRL_EXTINT_SET)  in aoagpio_probe()
346 			device_set_desc(gpio, m->name);  in aoagpio_probe()
365 	if ((1 << sc->ctrl) & GPIO_CTRL_EXTINT_SET) {  in aoagpio_attach()
394 #define I2S_INT_CLKSTOPPEND     0x01000000  /* clock-stop interrupt pending */
437    'rate' is the frame rate.
443 i2s_setup(struct i2s_softc *sc, u_int rate, u_int wordsize, u_int sclk_fs)  in i2s_setup()  argument
461 	mclk = rate * MCLK_FS;  in i2s_setup()
486 		x = (mdiv / 2) - 1;  in i2s_setup()
499 		x = (sdiv / 2) - 1;  in i2s_setup()
533 	x = bus_read_4(sc->reg, I2S_WORDSIZE);  in i2s_setup()
535 		bus_write_4(sc->reg, I2S_WORDSIZE, wordformat);  in i2s_setup()
537 	x = bus_read_4(sc->reg, I2S_FORMAT);  in i2s_setup()
550 			bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_INT,   in i2s_setup()
555 			for (timo = 1000; timo > 0; timo--) {  in i2s_setup()
556 				if (bus_space_read_4(sc->sc_tag, sc->sc_bsh,  in i2s_setup()
565 					sc->sc_dev.dv_xname);  in i2s_setup()
568 		bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT, reg);  in i2s_setup()
584 	for (n = OF_child(node); n != -1; n = OF_peer(n)) {  in of_find_firstchild_byname()
592 	return (-1);  in of_find_firstchild_byname()
603 	return (macgpio_read(sc->dev) & GPIO_DATA);  in gpio_read()
619 	macgpio_write(sc->dev, reg);  in gpio_write()
628 	    gpio_ctrls[HEADPHONE_DETECT]->level)  in i2s_cint()
632 	    gpio_ctrls[LINEOUT_DETECT]->level)  in i2s_cint()
698 	if (mask == sc->output_mask)  in MUTE_CONTROL()
701 	mtx_lock(&sc->port_mtx);  in MUTE_CONTROL()
723 	sc->output_mask = mask;  in MUTE_CONTROL()
725 	mtx_unlock(&sc->port_mtx);  in MUTE_CONTROL()
735 	self = sc->aoa.sc_dev;  in i2s_postattach()
750 			gpio_ctrls[i]->i2s = sc;  in i2s_postattach()