1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
41 #include <dev/ofw/ofw_bus.h>
42 #include <dev/ofw/ofw_bus_subr.h>
44 #include <dev/clk/clk.h>
45 #include <dev/hwreset/hwreset.h>
47 #include <dev/gpio/gpiobusvar.h>
50 #include <dev/sound/pcm/sound.h>
51 #include <dev/sound/fdt/audio_dai.h>
133 	{ "allwinner,sun8i-a33-codec",	1},
140 	{ -1, 0 }
144 	device_t	dev;  member
152 #define	CODEC_LOCK(sc)			mtx_lock(&(sc)->mtx)
153 #define	CODEC_UNLOCK(sc)		mtx_unlock(&(sc)->mtx)
154 #define	CODEC_READ(sc, reg)		bus_read_4((sc)->res[0], (reg))
155 #define	CODEC_WRITE(sc, reg, val)	bus_write_4((sc)->res[0], (reg), (val))
157 static int sun8i_codec_probe(device_t dev);
158 static int sun8i_codec_attach(device_t dev);
159 static int sun8i_codec_detach(device_t dev);
162 sun8i_codec_probe(device_t dev)  in sun8i_codec_probe()  argument
164 	if (!ofw_bus_status_okay(dev))  in sun8i_codec_probe()
167 	if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)  in sun8i_codec_probe()
170 	device_set_desc(dev, "Allwinner Codec");  in sun8i_codec_probe()
175 sun8i_codec_attach(device_t dev)  in sun8i_codec_attach()  argument
183 	sc = device_get_softc(dev);  in sun8i_codec_attach()
184 	sc->dev = dev;  in sun8i_codec_attach()
185 	node = ofw_bus_get_node(dev);  in sun8i_codec_attach()
187 	mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in sun8i_codec_attach()
189 	if (bus_alloc_resources(dev, sun8i_codec_spec, sc->res) != 0) {  in sun8i_codec_attach()
190 		device_printf(dev, "cannot allocate resources for device\n");  in sun8i_codec_attach()
195 	error = clk_get_by_ofw_name(dev, 0, "mod", &sc->clk_mod);  in sun8i_codec_attach()
197 		device_printf(dev, "cannot get \"mod\" clock\n");  in sun8i_codec_attach()
201 	error = clk_get_by_ofw_name(dev, 0, "bus", &sc->clk_gate);  in sun8i_codec_attach()
203 		device_printf(dev, "cannot get \"bus\" clock\n");  in sun8i_codec_attach()
207 	error = clk_enable(sc->clk_gate);  in sun8i_codec_attach()
209 		device_printf(dev, "cannot enable \"bus\" clock\n");  in sun8i_codec_attach()
234 	/* Set AIF1 to 16-bit */  in sun8i_codec_attach()
246 	/* Enable AIF1 ADC timelot 0 */  in sun8i_codec_attach()
260 	/* ADC mixer source select */  in sun8i_codec_attach()
270 	if (gpio_pin_get_by_ofw_property(dev, node, "allwinner,pa-gpios",  in sun8i_codec_attach()
274 			device_printf(dev, "failed to unmute PA\n");  in sun8i_codec_attach()
277 	OF_device_register_xref(OF_xref_from_node(node), dev);  in sun8i_codec_attach()
282 	sun8i_codec_detach(dev);  in sun8i_codec_attach()
287 sun8i_codec_detach(device_t dev)  in sun8i_codec_detach()  argument
291 	sc = device_get_softc(dev);  in sun8i_codec_detach()
293 	if (sc->clk_gate)  in sun8i_codec_detach()
294 		clk_release(sc->clk_gate);  in sun8i_codec_detach()
296 	if (sc->clk_mod)  in sun8i_codec_detach()
297 		clk_release(sc->clk_mod);  in sun8i_codec_detach()
299 	if (sc->intrhand != NULL)  in sun8i_codec_detach()
300 		bus_teardown_intr(sc->dev, sc->res[1], sc->intrhand);  in sun8i_codec_detach()
302 	bus_release_resources(dev, sun8i_codec_spec, sc->res);  in sun8i_codec_detach()
303 	mtx_destroy(&sc->mtx);  in sun8i_codec_detach()
309 sun8i_codec_dai_init(device_t dev, uint32_t format)  in sun8i_codec_dai_init()  argument
315 	sc = device_get_softc(dev);  in sun8i_codec_dai_init()
372 sun8i_codec_dai_trigger(device_t dev, int go, int pcm_dir)  in sun8i_codec_dai_trigger()  argument
379 sun8i_codec_dai_setup_mixer(device_t dev, device_t pcmdev)  in sun8i_codec_dai_setup_mixer()  argument