16 static void setup_fg_nodes(struct hdac_device *codec);
17 static int get_codec_vendor_name(struct hdac_device *codec);
38 int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus,  in snd_hdac_device_init()  argument
45 	dev = &codec->dev;  in snd_hdac_device_init()
54 	codec->bus = bus;  in snd_hdac_device_init()
55 	codec->addr = addr;  in snd_hdac_device_init()
56 	codec->type = HDA_DEV_CORE;  in snd_hdac_device_init()
57 	pm_runtime_set_active(&codec->dev);  in snd_hdac_device_init()
58 	pm_runtime_get_noresume(&codec->dev);  in snd_hdac_device_init()
59 	atomic_set(&codec->in_pm, 0);  in snd_hdac_device_init()
61 	err = snd_hdac_bus_add_device(bus, codec);  in snd_hdac_device_init()
66 	codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
68 	if (codec->vendor_id == -1) {  in snd_hdac_device_init()
72 		codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
76 	codec->subsystem_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
78 	codec->revision_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
81 	setup_fg_nodes(codec);  in snd_hdac_device_init()
82 	if (!codec->afg && !codec->mfg) {  in snd_hdac_device_init()
88 	fg = codec->afg ? codec->afg : codec->mfg;  in snd_hdac_device_init()
90 	err = snd_hdac_refresh_widgets(codec);  in snd_hdac_device_init()
94 	codec->power_caps = snd_hdac_read_parm(codec, fg, AC_PAR_POWER_STATE);  in snd_hdac_device_init()
96 	if (codec->subsystem_id == -1 || codec->subsystem_id == 0)  in snd_hdac_device_init()
97 		snd_hdac_read(codec, fg, AC_VERB_GET_SUBSYSTEM_ID, 0,  in snd_hdac_device_init()
98 			      &codec->subsystem_id);  in snd_hdac_device_init()
100 	err = get_codec_vendor_name(codec);  in snd_hdac_device_init()
104 	codec->chip_name = kasprintf(GFP_KERNEL, "ID %x",  in snd_hdac_device_init()
105 				     codec->vendor_id & 0xffff);  in snd_hdac_device_init()
106 	if (!codec->chip_name) {  in snd_hdac_device_init()
114 	put_device(&codec->dev);  in snd_hdac_device_init()
123 void snd_hdac_device_exit(struct hdac_device *codec)  in snd_hdac_device_exit()  argument
125 	pm_runtime_put_noidle(&codec->dev);  in snd_hdac_device_exit()
126 	snd_hdac_bus_remove_device(codec->bus, codec);  in snd_hdac_device_exit()
127 	kfree(codec->vendor_name);  in snd_hdac_device_exit()
128 	kfree(codec->chip_name);  in snd_hdac_device_exit()
136 int snd_hdac_device_register(struct hdac_device *codec)  in snd_hdac_device_register()  argument
140 	err = device_add(&codec->dev);  in snd_hdac_device_register()
143 	err = hda_widget_sysfs_init(codec);  in snd_hdac_device_register()
145 		device_del(&codec->dev);  in snd_hdac_device_register()
157 void snd_hdac_device_unregister(struct hdac_device *codec)  in snd_hdac_device_unregister()  argument
159 	if (device_is_registered(&codec->dev)) {  in snd_hdac_device_unregister()
160 		hda_widget_sysfs_exit(codec);  in snd_hdac_device_unregister()
161 		device_del(&codec->dev);  in snd_hdac_device_unregister()
173 int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name)  in snd_hdac_device_set_chip_name()  argument
182 	kfree(codec->chip_name);  in snd_hdac_device_set_chip_name()
183 	codec->chip_name = newname;  in snd_hdac_device_set_chip_name()
196 int snd_hdac_codec_modalias(struct hdac_device *codec, char *buf, size_t size)  in snd_hdac_codec_modalias()  argument
199 			codec->vendor_id, codec->revision_id, codec->type);  in snd_hdac_codec_modalias()
213 unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_make_cmd()  argument
218 	addr = codec->addr;  in snd_hdac_make_cmd()
221 		dev_err(&codec->dev, "out of range cmd %x:%x:%x:%x\n",  in snd_hdac_make_cmd()
246 int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,  in snd_hdac_exec_verb()  argument
249 	if (codec->exec_verb)  in snd_hdac_exec_verb()
250 		return codec->exec_verb(codec, cmd, flags, res);  in snd_hdac_exec_verb()
251 	return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res);  in snd_hdac_exec_verb()
266 int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read()  argument
269 	unsigned int cmd = snd_hdac_make_cmd(codec, nid, verb, parm);  in snd_hdac_read()
271 	return snd_hdac_exec_verb(codec, cmd, 0, res);  in snd_hdac_read()
280 int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,  in _snd_hdac_read_parm()  argument
286 	return snd_hdac_regmap_read_raw(codec, cmd, res);  in _snd_hdac_read_parm()
299 int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read_parm_uncached()  argument
304 	if (codec->regmap)  in snd_hdac_read_parm_uncached()
305 		regcache_cache_bypass(codec->regmap, true);  in snd_hdac_read_parm_uncached()
306 	val = snd_hdac_read_parm(codec, nid, parm);  in snd_hdac_read_parm_uncached()
307 	if (codec->regmap)  in snd_hdac_read_parm_uncached()
308 		regcache_cache_bypass(codec->regmap, false);  in snd_hdac_read_parm_uncached()
320 int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_override_parm()  argument
326 	if (!codec->regmap)  in snd_hdac_override_parm()
329 	codec->caps_overwriting = true;  in snd_hdac_override_parm()
330 	err = snd_hdac_regmap_write_raw(codec, verb, val);  in snd_hdac_override_parm()
331 	codec->caps_overwriting = false;  in snd_hdac_override_parm()
345 int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_sub_nodes()  argument
350 	parm = snd_hdac_read_parm_uncached(codec, nid, AC_PAR_NODE_COUNT);  in snd_hdac_get_sub_nodes()
363 static void setup_fg_nodes(struct hdac_device *codec)  in setup_fg_nodes()  argument
368 	total_nodes = snd_hdac_get_sub_nodes(codec, AC_NODE_ROOT, &nid);  in setup_fg_nodes()
370 		function_id = snd_hdac_read_parm(codec, nid,  in setup_fg_nodes()
374 			codec->afg = nid;  in setup_fg_nodes()
375 			codec->afg_function_id = function_id & 0xff;  in setup_fg_nodes()
376 			codec->afg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
379 			codec->mfg = nid;  in setup_fg_nodes()
380 			codec->mfg_function_id = function_id & 0xff;  in setup_fg_nodes()
381 			codec->mfg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
393 int snd_hdac_refresh_widgets(struct hdac_device *codec)  in snd_hdac_refresh_widgets()  argument
398 	nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid);  in snd_hdac_refresh_widgets()
400 		dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n",  in snd_hdac_refresh_widgets()
401 			codec->afg);  in snd_hdac_refresh_widgets()
405 	codec->num_nodes = nums;  in snd_hdac_refresh_widgets()
406 	codec->start_nid = start_nid;  in snd_hdac_refresh_widgets()
407 	codec->end_nid = start_nid + nums;  in snd_hdac_refresh_widgets()
420 int snd_hdac_refresh_widget_sysfs(struct hdac_device *codec)  in snd_hdac_refresh_widget_sysfs()  argument
424 	if (device_is_registered(&codec->dev))  in snd_hdac_refresh_widget_sysfs()
425 		hda_widget_sysfs_exit(codec);  in snd_hdac_refresh_widget_sysfs()
426 	ret = snd_hdac_refresh_widgets(codec);  in snd_hdac_refresh_widget_sysfs()
428 		dev_err(&codec->dev, "failed to refresh widget: %d\n", ret);  in snd_hdac_refresh_widget_sysfs()
431 	if (device_is_registered(&codec->dev)) {  in snd_hdac_refresh_widget_sysfs()
432 		ret = hda_widget_sysfs_init(codec);  in snd_hdac_refresh_widget_sysfs()
434 			dev_err(&codec->dev, "failed to init sysfs: %d\n", ret);  in snd_hdac_refresh_widget_sysfs()
443 static unsigned int get_num_conns(struct hdac_device *codec, hda_nid_t nid)  in get_num_conns()  argument
445 	unsigned int wcaps = get_wcaps(codec, nid);  in get_num_conns()
452 	parm = snd_hdac_read_parm(codec, nid, AC_PAR_CONNLIST_LEN);  in get_num_conns()
471 int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_connections()  argument
480 	parm = get_num_conns(codec, nid);  in snd_hdac_get_connections()
501 		err = snd_hdac_read(codec, nid, AC_VERB_GET_CONNECT_LIST, 0,  in snd_hdac_get_connections()
518 			err = snd_hdac_read(codec, nid,  in snd_hdac_get_connections()
527 			dev_dbg(&codec->dev,  in snd_hdac_get_connections()
536 				dev_warn(&codec->dev,  in snd_hdac_get_connections()
574 int snd_hdac_power_up(struct hdac_device *codec)  in snd_hdac_power_up()  argument
576 	return pm_runtime_get_sync(&codec->dev);  in snd_hdac_power_up()
586 int snd_hdac_power_down(struct hdac_device *codec)  in snd_hdac_power_down()  argument
588 	struct device *dev = &codec->dev;  in snd_hdac_power_down()
606 int snd_hdac_power_up_pm(struct hdac_device *codec)  in snd_hdac_power_up_pm()  argument
608 	if (!atomic_inc_not_zero(&codec->in_pm))  in snd_hdac_power_up_pm()
609 		return snd_hdac_power_up(codec);  in snd_hdac_power_up_pm()
623 int snd_hdac_power_down_pm(struct hdac_device *codec)  in snd_hdac_power_down_pm()  argument
625 	if (atomic_dec_if_positive(&codec->in_pm) < 0)  in snd_hdac_power_down_pm()
626 		return snd_hdac_power_down(codec);  in snd_hdac_power_down_pm()
637 int snd_hdac_link_power(struct hdac_device *codec, bool enable)  in snd_hdac_link_power()  argument
639 	if  (!codec->link_power_control)  in snd_hdac_link_power()
642 	if  (codec->bus->ops->link_power)  in snd_hdac_link_power()
643 		return codec->bus->ops->link_power(codec->bus, enable);  in snd_hdac_link_power()
680 static int get_codec_vendor_name(struct hdac_device *codec)  in get_codec_vendor_name()  argument
683 	u16 vendor_id = codec->vendor_id >> 16;  in get_codec_vendor_name()
687 			codec->vendor_name = kstrdup(c->name, GFP_KERNEL);  in get_codec_vendor_name()
688 			return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
692 	codec->vendor_name = kasprintf(GFP_KERNEL, "Generic %04x", vendor_id);  in get_codec_vendor_name()
693 	return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
795 static unsigned int query_pcm_param(struct hdac_device *codec, hda_nid_t nid)  in query_pcm_param()  argument
799 	if (nid != codec->afg &&  in query_pcm_param()
800 	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))  in query_pcm_param()
801 		val = snd_hdac_read_parm(codec, nid, AC_PAR_PCM);  in query_pcm_param()
803 		val = snd_hdac_read_parm(codec, codec->afg, AC_PAR_PCM);  in query_pcm_param()
809 static unsigned int query_stream_param(struct hdac_device *codec, hda_nid_t nid)  in query_stream_param()  argument
811 	unsigned int streams = snd_hdac_read_parm(codec, nid, AC_PAR_STREAM);  in query_stream_param()
814 		streams = snd_hdac_read_parm(codec, codec->afg, AC_PAR_STREAM);  in query_stream_param()
833 int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_query_supported_pcm()  argument
838 	wcaps = get_wcaps(codec, nid);  in snd_hdac_query_supported_pcm()
839 	val = query_pcm_param(codec, nid);  in snd_hdac_query_supported_pcm()
848 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
861 		streams = query_stream_param(codec, nid);  in snd_hdac_query_supported_pcm()
911 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
938 bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_is_supported_format()  argument
944 	val = query_pcm_param(codec, nid);  in snd_hdac_is_supported_format()
958 	stream = query_stream_param(codec, nid);  in snd_hdac_is_supported_format()