2  * HD-audio codec driver binding
18  * find a matching codec id
22 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);  in hda_codec_match()  local
27 	u32 id = codec->probe_id ? codec->probe_id : codec->core.vendor_id;  in hda_codec_match()
28 	u32 rev_id = codec->core.revision_id;  in hda_codec_match()
33 			codec->preset = list;  in hda_codec_match()
43 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);  in hda_codec_unsol_event()  local
46 	if (codec->bus->shutdown)  in hda_codec_unsol_event()
49 	if (codec->patch_ops.unsol_event)  in hda_codec_unsol_event()
50 		codec->patch_ops.unsol_event(codec, ev);  in hda_codec_unsol_event()
54  * snd_hda_codec_set_name - set the codec name
55  * @codec: the HDA codec
58 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name)  in snd_hda_codec_set_name()  argument
64 	err = snd_hdac_device_set_chip_name(&codec->core, name);  in snd_hda_codec_set_name()
69 	if (!*codec->card->mixername ||  in snd_hda_codec_set_name()
70 	    codec->bus->mixer_assigned >= codec->core.addr) {  in snd_hda_codec_set_name()
71 		snprintf(codec->card->mixername,  in snd_hda_codec_set_name()
72 			 sizeof(codec->card->mixername), "%s %s",  in snd_hda_codec_set_name()
73 			 codec->core.vendor_name, codec->core.chip_name);  in snd_hda_codec_set_name()
74 		codec->bus->mixer_assigned = codec->core.addr;  in snd_hda_codec_set_name()
83 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_probe()  local
88 	if (WARN_ON(!codec->preset))  in hda_codec_driver_probe()
91 	err = snd_hda_codec_set_name(codec, codec->preset->name);  in hda_codec_driver_probe()
94 	err = snd_hdac_regmap_init(&codec->core);  in hda_codec_driver_probe()
103 	patch = (hda_codec_patch_t)codec->preset->driver_data;  in hda_codec_driver_probe()
105 		err = patch(codec);  in hda_codec_driver_probe()
110 	err = snd_hda_codec_build_pcms(codec);  in hda_codec_driver_probe()
113 	err = snd_hda_codec_build_controls(codec);  in hda_codec_driver_probe()
117 	if (!codec->bus->bus_probing && codec->card->registered) {  in hda_codec_driver_probe()
118 		err = snd_card_register(codec->card);  in hda_codec_driver_probe()
121 		snd_hda_codec_register(codec);  in hda_codec_driver_probe()
124 	codec->core.lazy_cache = true;  in hda_codec_driver_probe()
128 	if (codec->patch_ops.free)  in hda_codec_driver_probe()
129 		codec->patch_ops.free(codec);  in hda_codec_driver_probe()
134 	snd_hda_codec_cleanup_for_unbind(codec);  in hda_codec_driver_probe()
140 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_remove()  local
142 	if (codec->patch_ops.free)  in hda_codec_driver_remove()
143 		codec->patch_ops.free(codec);  in hda_codec_driver_remove()
144 	snd_hda_codec_cleanup_for_unbind(codec);  in hda_codec_driver_remove()
151 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_shutdown()  local
153 	if (!pm_runtime_suspended(dev) && codec->patch_ops.reboot_notify)  in hda_codec_driver_shutdown()
154 		codec->patch_ops.reboot_notify(codec);  in hda_codec_driver_shutdown()
180 static inline bool codec_probed(struct hda_codec *codec)  in codec_probed()  argument
182 	return device_attach(hda_codec_dev(codec)) > 0 && codec->preset;  in codec_probed()
185 /* try to auto-load codec module */
186 static void request_codec_module(struct hda_codec *codec)  in request_codec_module()  argument
192 	switch (codec->probe_id) {  in request_codec_module()
195 		mod = "snd-hda-codec-hdmi";  in request_codec_module()
200 		mod = "snd-hda-codec-generic";  in request_codec_module()
204 		snd_hdac_codec_modalias(&codec->core, modalias, sizeof(modalias));  in request_codec_module()
214 /* try to auto-load and bind the codec module */
215 static void codec_bind_module(struct hda_codec *codec)  in codec_bind_module()  argument
218 	request_codec_module(codec);  in codec_bind_module()
219 	if (codec_probed(codec))  in codec_bind_module()
225 /* if all audio out widgets are digital, let's assume the codec as a HDMI/DP */
226 static bool is_likely_hdmi_codec(struct hda_codec *codec)  in is_likely_hdmi_codec()  argument
230 	for_each_hda_codec_node(nid, codec) {  in is_likely_hdmi_codec()
231 		unsigned int wcaps = get_wcaps(codec, nid);  in is_likely_hdmi_codec()
244 /* no HDMI codec parser support */
245 #define is_likely_hdmi_codec(codec)	false  argument
248 static int codec_bind_generic(struct hda_codec *codec)  in codec_bind_generic()  argument
250 	if (codec->probe_id)  in codec_bind_generic()
253 	if (is_likely_hdmi_codec(codec)) {  in codec_bind_generic()
254 		codec->probe_id = HDA_CODEC_ID_GENERIC_HDMI;  in codec_bind_generic()
255 		request_codec_module(codec);  in codec_bind_generic()
256 		if (codec_probed(codec))  in codec_bind_generic()
260 	codec->probe_id = HDA_CODEC_ID_GENERIC;  in codec_bind_generic()
261 	request_codec_module(codec);  in codec_bind_generic()
262 	if (codec_probed(codec))  in codec_bind_generic()
268 #define is_generic_config(codec) \  argument
269 	(codec->modelname && !strcmp(codec->modelname, "generic"))
271 #define is_generic_config(codec)	0  argument
275  * snd_hda_codec_configure - (Re-)configure the HD-audio codec
276  * @codec: the HDA codec
278  * Start parsing of the given codec tree and (re-)initialize the whole
283 int snd_hda_codec_configure(struct hda_codec *codec)  in snd_hda_codec_configure()  argument
287 	if (is_generic_config(codec))  in snd_hda_codec_configure()
288 		codec->probe_id = HDA_CODEC_ID_GENERIC;  in snd_hda_codec_configure()
290 		codec->probe_id = 0;  in snd_hda_codec_configure()
292 	err = snd_hdac_device_register(&codec->core);  in snd_hda_codec_configure()
296 	if (!codec->preset)  in snd_hda_codec_configure()
297 		codec_bind_module(codec);  in snd_hda_codec_configure()
298 	if (!codec->preset) {  in snd_hda_codec_configure()
299 		err = codec_bind_generic(codec);  in snd_hda_codec_configure()
301 			codec_err(codec, "Unable to bind the codec\n");  in snd_hda_codec_configure()
309 	snd_hdac_device_unregister(&codec->core);  in snd_hda_codec_configure()