19 static void setup_fg_nodes(struct hdac_device *codec);
20 static int get_codec_vendor_name(struct hdac_device *codec);
41 int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus,  in snd_hdac_device_init()  argument
48 	dev = &codec->dev;  in snd_hdac_device_init()
57 	codec->bus = bus;  in snd_hdac_device_init()
58 	codec->addr = addr;  in snd_hdac_device_init()
59 	codec->type = HDA_DEV_CORE;  in snd_hdac_device_init()
60 	mutex_init(&codec->widget_lock);  in snd_hdac_device_init()
61 	mutex_init(&codec->regmap_lock);  in snd_hdac_device_init()
62 	pm_runtime_set_active(&codec->dev);  in snd_hdac_device_init()
63 	pm_runtime_get_noresume(&codec->dev);  in snd_hdac_device_init()
64 	atomic_set(&codec->in_pm, 0);  in snd_hdac_device_init()
66 	err = snd_hdac_bus_add_device(bus, codec);  in snd_hdac_device_init()
71 	codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
73 	if (codec->vendor_id == -1) {  in snd_hdac_device_init()
77 		codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
81 	codec->subsystem_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
83 	codec->revision_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
86 	setup_fg_nodes(codec);  in snd_hdac_device_init()
87 	if (!codec->afg && !codec->mfg) {  in snd_hdac_device_init()
93 	fg = codec->afg ? codec->afg : codec->mfg;  in snd_hdac_device_init()
95 	err = snd_hdac_refresh_widgets(codec);  in snd_hdac_device_init()
99 	codec->power_caps = snd_hdac_read_parm(codec, fg, AC_PAR_POWER_STATE);  in snd_hdac_device_init()
101 	if (codec->subsystem_id == -1 || codec->subsystem_id == 0)  in snd_hdac_device_init()
102 		snd_hdac_read(codec, fg, AC_VERB_GET_SUBSYSTEM_ID, 0,  in snd_hdac_device_init()
103 			      &codec->subsystem_id);  in snd_hdac_device_init()
105 	err = get_codec_vendor_name(codec);  in snd_hdac_device_init()
109 	codec->chip_name = kasprintf(GFP_KERNEL, "ID %x",  in snd_hdac_device_init()
110 				     codec->vendor_id & 0xffff);  in snd_hdac_device_init()
111 	if (!codec->chip_name) {  in snd_hdac_device_init()
119 	put_device(&codec->dev);  in snd_hdac_device_init()
128 void snd_hdac_device_exit(struct hdac_device *codec)  in snd_hdac_device_exit()  argument
130 	pm_runtime_put_noidle(&codec->dev);  in snd_hdac_device_exit()
132 	pm_runtime_set_suspended(&codec->dev);  in snd_hdac_device_exit()
133 	snd_hdac_bus_remove_device(codec->bus, codec);  in snd_hdac_device_exit()
134 	kfree(codec->vendor_name);  in snd_hdac_device_exit()
135 	kfree(codec->chip_name);  in snd_hdac_device_exit()
143 int snd_hdac_device_register(struct hdac_device *codec)  in snd_hdac_device_register()  argument
147 	err = device_add(&codec->dev);  in snd_hdac_device_register()
150 	mutex_lock(&codec->widget_lock);  in snd_hdac_device_register()
151 	err = hda_widget_sysfs_init(codec);  in snd_hdac_device_register()
152 	mutex_unlock(&codec->widget_lock);  in snd_hdac_device_register()
154 		device_del(&codec->dev);  in snd_hdac_device_register()
166 void snd_hdac_device_unregister(struct hdac_device *codec)  in snd_hdac_device_unregister()  argument
168 	if (device_is_registered(&codec->dev)) {  in snd_hdac_device_unregister()
169 		mutex_lock(&codec->widget_lock);  in snd_hdac_device_unregister()
170 		hda_widget_sysfs_exit(codec);  in snd_hdac_device_unregister()
171 		mutex_unlock(&codec->widget_lock);  in snd_hdac_device_unregister()
172 		device_del(&codec->dev);  in snd_hdac_device_unregister()
173 		snd_hdac_bus_remove_device(codec->bus, codec);  in snd_hdac_device_unregister()
185 int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name)  in snd_hdac_device_set_chip_name()  argument
194 	kfree(codec->chip_name);  in snd_hdac_device_set_chip_name()
195 	codec->chip_name = newname;  in snd_hdac_device_set_chip_name()
208 int snd_hdac_codec_modalias(const struct hdac_device *codec, char *buf, size_t size)  in snd_hdac_codec_modalias()  argument
211 			codec->vendor_id, codec->revision_id, codec->type);  in snd_hdac_codec_modalias()
225 static unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_make_cmd()  argument
230 	addr = codec->addr;  in snd_hdac_make_cmd()
233 		dev_err(&codec->dev, "out of range cmd %x:%x:%x:%x\n",  in snd_hdac_make_cmd()
257 int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,  in snd_hdac_exec_verb()  argument
260 	if (codec->exec_verb)  in snd_hdac_exec_verb()
261 		return codec->exec_verb(codec, cmd, flags, res);  in snd_hdac_exec_verb()
262 	return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res);  in snd_hdac_exec_verb()
276 int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read()  argument
279 	unsigned int cmd = snd_hdac_make_cmd(codec, nid, verb, parm);  in snd_hdac_read()
281 	return snd_hdac_exec_verb(codec, cmd, 0, res);  in snd_hdac_read()
294 int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,  in _snd_hdac_read_parm()  argument
300 	return snd_hdac_regmap_read_raw(codec, cmd, res);  in _snd_hdac_read_parm()
313 int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read_parm_uncached()  argument
319 	if (snd_hdac_regmap_read_raw_uncached(codec, cmd, &val) < 0)  in snd_hdac_read_parm_uncached()
332 int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_override_parm()  argument
338 	if (!codec->regmap)  in snd_hdac_override_parm()
341 	codec->caps_overwriting = true;  in snd_hdac_override_parm()
342 	err = snd_hdac_regmap_write_raw(codec, verb, val);  in snd_hdac_override_parm()
343 	codec->caps_overwriting = false;  in snd_hdac_override_parm()
357 int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_sub_nodes()  argument
362 	parm = snd_hdac_read_parm_uncached(codec, nid, AC_PAR_NODE_COUNT);  in snd_hdac_get_sub_nodes()
375 static void setup_fg_nodes(struct hdac_device *codec)  in setup_fg_nodes()  argument
380 	total_nodes = snd_hdac_get_sub_nodes(codec, AC_NODE_ROOT, &nid);  in setup_fg_nodes()
382 		function_id = snd_hdac_read_parm(codec, nid,  in setup_fg_nodes()
386 			codec->afg = nid;  in setup_fg_nodes()
387 			codec->afg_function_id = function_id & 0xff;  in setup_fg_nodes()
388 			codec->afg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
391 			codec->mfg = nid;  in setup_fg_nodes()
392 			codec->mfg_function_id = function_id & 0xff;  in setup_fg_nodes()
393 			codec->mfg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
405 int snd_hdac_refresh_widgets(struct hdac_device *codec)  in snd_hdac_refresh_widgets()  argument
414 	mutex_lock(&codec->widget_lock);  in snd_hdac_refresh_widgets()
415 	nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid);  in snd_hdac_refresh_widgets()
417 		dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n",  in snd_hdac_refresh_widgets()
418 			codec->afg);  in snd_hdac_refresh_widgets()
423 	err = hda_widget_sysfs_reinit(codec, start_nid, nums);  in snd_hdac_refresh_widgets()
427 	codec->num_nodes = nums;  in snd_hdac_refresh_widgets()
428 	codec->start_nid = start_nid;  in snd_hdac_refresh_widgets()
429 	codec->end_nid = start_nid + nums;  in snd_hdac_refresh_widgets()
431 	mutex_unlock(&codec->widget_lock);  in snd_hdac_refresh_widgets()
437 static unsigned int get_num_conns(struct hdac_device *codec, hda_nid_t nid)  in get_num_conns()  argument
439 	unsigned int wcaps = get_wcaps(codec, nid);  in get_num_conns()
446 	parm = snd_hdac_read_parm(codec, nid, AC_PAR_CONNLIST_LEN);  in get_num_conns()
465 int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_connections()  argument
474 	parm = get_num_conns(codec, nid);  in snd_hdac_get_connections()
495 		err = snd_hdac_read(codec, nid, AC_VERB_GET_CONNECT_LIST, 0,  in snd_hdac_get_connections()
512 			err = snd_hdac_read(codec, nid,  in snd_hdac_get_connections()
521 			dev_dbg(&codec->dev,  in snd_hdac_get_connections()
530 				dev_warn(&codec->dev,  in snd_hdac_get_connections()
568 int snd_hdac_power_up(struct hdac_device *codec)  in snd_hdac_power_up()  argument
570 	return pm_runtime_get_sync(&codec->dev);  in snd_hdac_power_up()
580 int snd_hdac_power_down(struct hdac_device *codec)  in snd_hdac_power_down()  argument
582 	struct device *dev = &codec->dev;  in snd_hdac_power_down()
600 int snd_hdac_power_up_pm(struct hdac_device *codec)  in snd_hdac_power_up_pm()  argument
602 	if (!atomic_inc_not_zero(&codec->in_pm))  in snd_hdac_power_up_pm()
603 		return snd_hdac_power_up(codec);  in snd_hdac_power_up_pm()
612 int snd_hdac_keep_power_up(struct hdac_device *codec)  in snd_hdac_keep_power_up()  argument
614 	if (!atomic_inc_not_zero(&codec->in_pm)) {  in snd_hdac_keep_power_up()
615 		int ret = pm_runtime_get_if_active(&codec->dev);  in snd_hdac_keep_power_up()
633 int snd_hdac_power_down_pm(struct hdac_device *codec)  in snd_hdac_power_down_pm()  argument
635 	if (atomic_dec_if_positive(&codec->in_pm) < 0)  in snd_hdac_power_down_pm()
636 		return snd_hdac_power_down(codec);  in snd_hdac_power_down_pm()
675 static int get_codec_vendor_name(struct hdac_device *codec)  in get_codec_vendor_name()  argument
678 	u16 vendor_id = codec->vendor_id >> 16;  in get_codec_vendor_name()
682 			codec->vendor_name = kstrdup(c->name, GFP_KERNEL);  in get_codec_vendor_name()
683 			return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
687 	codec->vendor_name = kasprintf(GFP_KERNEL, "Generic %04x", vendor_id);  in get_codec_vendor_name()
688 	return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
852 static unsigned int query_pcm_param(struct hdac_device *codec, hda_nid_t nid)  in query_pcm_param()  argument
856 	if (nid != codec->afg &&  in query_pcm_param()
857 	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))  in query_pcm_param()
858 		val = snd_hdac_read_parm(codec, nid, AC_PAR_PCM);  in query_pcm_param()
860 		val = snd_hdac_read_parm(codec, codec->afg, AC_PAR_PCM);  in query_pcm_param()
866 static unsigned int query_stream_param(struct hdac_device *codec, hda_nid_t nid)  in query_stream_param()  argument
868 	unsigned int streams = snd_hdac_read_parm(codec, nid, AC_PAR_STREAM);  in query_stream_param()
871 		streams = snd_hdac_read_parm(codec, codec->afg, AC_PAR_STREAM);  in query_stream_param()
891 int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_query_supported_pcm()  argument
897 	wcaps = get_wcaps(codec, nid);  in snd_hdac_query_supported_pcm()
898 	val = query_pcm_param(codec, nid);  in snd_hdac_query_supported_pcm()
907 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
921 		streams = query_stream_param(codec, nid);  in snd_hdac_query_supported_pcm()
971 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
1000 bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_is_supported_format()  argument
1006 	val = query_pcm_param(codec, nid);  in snd_hdac_is_supported_format()
1020 	stream = query_stream_param(codec, nid);  in snd_hdac_is_supported_format()
1147 unsigned int snd_hdac_sync_power_state(struct hdac_device *codec,  in snd_hdac_sync_power_state()  argument
1154 		state = snd_hdac_codec_read(codec, nid, 0,  in snd_hdac_sync_power_state()