3  * HD-audio codec driver binding
19  * find a matching codec id
23 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);  in hda_codec_match()  local
28 	u32 id = codec->probe_id ? codec->probe_id : codec->core.vendor_id;  in hda_codec_match()
29 	u32 rev_id = codec->core.revision_id;  in hda_codec_match()
34 			codec->preset = list;  in hda_codec_match()
44 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);  in hda_codec_unsol_event()  local
46 	if (codec->patch_ops.unsol_event)  in hda_codec_unsol_event()
47 		codec->patch_ops.unsol_event(codec, ev);  in hda_codec_unsol_event()
51  * snd_hda_codec_set_name - set the codec name
52  * @codec: the HDA codec
55 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name)  in snd_hda_codec_set_name()  argument
61 	err = snd_hdac_device_set_chip_name(&codec->core, name);  in snd_hda_codec_set_name()
66 	if (!*codec->card->mixername ||  in snd_hda_codec_set_name()
67 	    codec->bus->mixer_assigned >= codec->core.addr) {  in snd_hda_codec_set_name()
68 		snprintf(codec->card->mixername,  in snd_hda_codec_set_name()
69 			 sizeof(codec->card->mixername), "%s %s",  in snd_hda_codec_set_name()
70 			 codec->core.vendor_name, codec->core.chip_name);  in snd_hda_codec_set_name()
71 		codec->bus->mixer_assigned = codec->core.addr;  in snd_hda_codec_set_name()
80 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_probe()  local
85 	if (codec->bus->core.ext_ops) {  in hda_codec_driver_probe()
86 		if (WARN_ON(!codec->bus->core.ext_ops->hdev_attach))  in hda_codec_driver_probe()
88 		return codec->bus->core.ext_ops->hdev_attach(&codec->core);  in hda_codec_driver_probe()
91 	if (WARN_ON(!codec->preset))  in hda_codec_driver_probe()
94 	err = snd_hda_codec_set_name(codec, codec->preset->name);  in hda_codec_driver_probe()
97 	err = snd_hdac_regmap_init(&codec->core);  in hda_codec_driver_probe()
106 	patch = (hda_codec_patch_t)codec->preset->driver_data;  in hda_codec_driver_probe()
108 		err = patch(codec);  in hda_codec_driver_probe()
113 	err = snd_hda_codec_build_pcms(codec);  in hda_codec_driver_probe()
116 	err = snd_hda_codec_build_controls(codec);  in hda_codec_driver_probe()
120 	if (!codec->bus->bus_probing && codec->card->registered) {  in hda_codec_driver_probe()
121 		err = snd_card_register(codec->card);  in hda_codec_driver_probe()
124 		snd_hda_codec_register(codec);  in hda_codec_driver_probe()
127 	codec->core.lazy_cache = true;  in hda_codec_driver_probe()
131 	if (codec->patch_ops.free)  in hda_codec_driver_probe()
132 		codec->patch_ops.free(codec);  in hda_codec_driver_probe()
137 	snd_hda_codec_cleanup_for_unbind(codec);  in hda_codec_driver_probe()
143 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_remove()  local
145 	if (codec->bus->core.ext_ops) {  in hda_codec_driver_remove()
146 		if (WARN_ON(!codec->bus->core.ext_ops->hdev_detach))  in hda_codec_driver_remove()
148 		return codec->bus->core.ext_ops->hdev_detach(&codec->core);  in hda_codec_driver_remove()
151 	if (codec->patch_ops.free)  in hda_codec_driver_remove()
152 		codec->patch_ops.free(codec);  in hda_codec_driver_remove()
153 	snd_hda_codec_cleanup_for_unbind(codec);  in hda_codec_driver_remove()
160 	struct hda_codec *codec = dev_to_hda_codec(dev);  in hda_codec_driver_shutdown()  local
162 	if (!pm_runtime_suspended(dev) && codec->patch_ops.reboot_notify)  in hda_codec_driver_shutdown()
163 		codec->patch_ops.reboot_notify(codec);  in hda_codec_driver_shutdown()
189 static inline bool codec_probed(struct hda_codec *codec)  in codec_probed()  argument
191 	return device_attach(hda_codec_dev(codec)) > 0 && codec->preset;  in codec_probed()
194 /* try to auto-load codec module */
195 static void request_codec_module(struct hda_codec *codec)  in request_codec_module()  argument
201 	switch (codec->probe_id) {  in request_codec_module()
204 		mod = "snd-hda-codec-hdmi";  in request_codec_module()
209 		mod = "snd-hda-codec-generic";  in request_codec_module()
213 		snd_hdac_codec_modalias(&codec->core, modalias, sizeof(modalias));  in request_codec_module()
223 /* try to auto-load and bind the codec module */
224 static void codec_bind_module(struct hda_codec *codec)  in codec_bind_module()  argument
227 	request_codec_module(codec);  in codec_bind_module()
228 	if (codec_probed(codec))  in codec_bind_module()
234 /* if all audio out widgets are digital, let's assume the codec as a HDMI/DP */
235 static bool is_likely_hdmi_codec(struct hda_codec *codec)  in is_likely_hdmi_codec()  argument
239 	for_each_hda_codec_node(nid, codec) {  in is_likely_hdmi_codec()
240 		unsigned int wcaps = get_wcaps(codec, nid);  in is_likely_hdmi_codec()
253 /* no HDMI codec parser support */
254 #define is_likely_hdmi_codec(codec)	false  argument
257 static int codec_bind_generic(struct hda_codec *codec)  in codec_bind_generic()  argument
259 	if (codec->probe_id)  in codec_bind_generic()
262 	if (is_likely_hdmi_codec(codec)) {  in codec_bind_generic()
263 		codec->probe_id = HDA_CODEC_ID_GENERIC_HDMI;  in codec_bind_generic()
264 		request_codec_module(codec);  in codec_bind_generic()
265 		if (codec_probed(codec))  in codec_bind_generic()
269 	codec->probe_id = HDA_CODEC_ID_GENERIC;  in codec_bind_generic()
270 	request_codec_module(codec);  in codec_bind_generic()
271 	if (codec_probed(codec))  in codec_bind_generic()
277 #define is_generic_config(codec) \  argument
278 	(codec->modelname && !strcmp(codec->modelname, "generic"))
280 #define is_generic_config(codec)	0  argument
284  * snd_hda_codec_configure - (Re-)configure the HD-audio codec
285  * @codec: the HDA codec
287  * Start parsing of the given codec tree and (re-)initialize the whole
292 int snd_hda_codec_configure(struct hda_codec *codec)  in snd_hda_codec_configure()  argument
296 	if (is_generic_config(codec))  in snd_hda_codec_configure()
297 		codec->probe_id = HDA_CODEC_ID_GENERIC;  in snd_hda_codec_configure()
299 		codec->probe_id = 0;  in snd_hda_codec_configure()
301 	err = snd_hdac_device_register(&codec->core);  in snd_hda_codec_configure()
305 	if (!codec->preset)  in snd_hda_codec_configure()
306 		codec_bind_module(codec);  in snd_hda_codec_configure()
307 	if (!codec->preset) {  in snd_hda_codec_configure()
308 		err = codec_bind_generic(codec);  in snd_hda_codec_configure()
310 			codec_err(codec, "Unable to bind the codec\n");  in snd_hda_codec_configure()
318 	snd_hdac_device_unregister(&codec->core);  in snd_hda_codec_configure()