1 // SPDX-License-Identifier: GPL-2.0-only
3  * HD-audio codec core device
18 static void setup_fg_nodes(struct hdac_device *codec);
19 static int get_codec_vendor_name(struct hdac_device *codec);
27  * snd_hdac_device_init - initialize the HD-audio codec base device
28  * @codec: device to initialize
31  * @addr: codec address
40 int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus,  in snd_hdac_device_init()  argument
47 	dev = &codec->dev;  in snd_hdac_device_init()
49 	dev->parent = bus->dev;  in snd_hdac_device_init()
50 	dev->bus = &snd_hda_bus_type;  in snd_hdac_device_init()
51 	dev->release = default_release;  in snd_hdac_device_init()
52 	dev->groups = hdac_dev_attr_groups;  in snd_hdac_device_init()
56 	codec->bus = bus;  in snd_hdac_device_init()
57 	codec->addr = addr;  in snd_hdac_device_init()
58 	codec->type = HDA_DEV_CORE;  in snd_hdac_device_init()
59 	mutex_init(&codec->widget_lock);  in snd_hdac_device_init()
60 	mutex_init(&codec->regmap_lock);  in snd_hdac_device_init()
61 	pm_runtime_set_active(&codec->dev);  in snd_hdac_device_init()
62 	pm_runtime_get_noresume(&codec->dev);  in snd_hdac_device_init()
63 	atomic_set(&codec->in_pm, 0);  in snd_hdac_device_init()
65 	err = snd_hdac_bus_add_device(bus, codec);  in snd_hdac_device_init()
66 	if (err < 0)  in snd_hdac_device_init()
70 	codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
72 	if (codec->vendor_id == -1) {  in snd_hdac_device_init()
76 		codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
80 	codec->subsystem_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
82 	codec->revision_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,  in snd_hdac_device_init()
85 	setup_fg_nodes(codec);  in snd_hdac_device_init()
86 	if (!codec->afg && !codec->mfg) {  in snd_hdac_device_init()
88 		err = -ENODEV;  in snd_hdac_device_init()
92 	fg = codec->afg ? codec->afg : codec->mfg;  in snd_hdac_device_init()
94 	err = snd_hdac_refresh_widgets(codec);  in snd_hdac_device_init()
95 	if (err < 0)  in snd_hdac_device_init()
98 	codec->power_caps = snd_hdac_read_parm(codec, fg, AC_PAR_POWER_STATE);  in snd_hdac_device_init()
100 	if (codec->subsystem_id == -1 || codec->subsystem_id == 0)  in snd_hdac_device_init()
101 		snd_hdac_read(codec, fg, AC_VERB_GET_SUBSYSTEM_ID, 0,  in snd_hdac_device_init()
102 			      &codec->subsystem_id);  in snd_hdac_device_init()
104 	err = get_codec_vendor_name(codec);  in snd_hdac_device_init()
105 	if (err < 0)  in snd_hdac_device_init()
108 	codec->chip_name = kasprintf(GFP_KERNEL, "ID %x",  in snd_hdac_device_init()
109 				     codec->vendor_id & 0xffff);  in snd_hdac_device_init()
110 	if (!codec->chip_name) {  in snd_hdac_device_init()
111 		err = -ENOMEM;  in snd_hdac_device_init()
115 	return 0;  in snd_hdac_device_init()
118 	put_device(&codec->dev);  in snd_hdac_device_init()
124  * snd_hdac_device_exit - clean up the HD-audio codec base device
125  * @codec: device to clean up
127 void snd_hdac_device_exit(struct hdac_device *codec)  in snd_hdac_device_exit()  argument
129 	pm_runtime_put_noidle(&codec->dev);  in snd_hdac_device_exit()
131 	pm_runtime_set_suspended(&codec->dev);  in snd_hdac_device_exit()
132 	snd_hdac_bus_remove_device(codec->bus, codec);  in snd_hdac_device_exit()
133 	kfree(codec->vendor_name);  in snd_hdac_device_exit()
134 	kfree(codec->chip_name);  in snd_hdac_device_exit()
139  * snd_hdac_device_register - register the hd-audio codec base device
140  * @codec: the device to register
142 int snd_hdac_device_register(struct hdac_device *codec)  in snd_hdac_device_register()  argument
146 	err = device_add(&codec->dev);  in snd_hdac_device_register()
147 	if (err < 0)  in snd_hdac_device_register()
149 	mutex_lock(&codec->widget_lock);  in snd_hdac_device_register()
150 	err = hda_widget_sysfs_init(codec);  in snd_hdac_device_register()
151 	mutex_unlock(&codec->widget_lock);  in snd_hdac_device_register()
152 	if (err < 0) {  in snd_hdac_device_register()
153 		device_del(&codec->dev);  in snd_hdac_device_register()
157 	return 0;  in snd_hdac_device_register()
162  * snd_hdac_device_unregister - unregister the hd-audio codec base device
163  * @codec: the device to unregister
165 void snd_hdac_device_unregister(struct hdac_device *codec)  in snd_hdac_device_unregister()  argument
167 	if (device_is_registered(&codec->dev)) {  in snd_hdac_device_unregister()
168 		mutex_lock(&codec->widget_lock);  in snd_hdac_device_unregister()
169 		hda_widget_sysfs_exit(codec);  in snd_hdac_device_unregister()
170 		mutex_unlock(&codec->widget_lock);  in snd_hdac_device_unregister()
171 		device_del(&codec->dev);  in snd_hdac_device_unregister()
172 		snd_hdac_bus_remove_device(codec->bus, codec);  in snd_hdac_device_unregister()
178  * snd_hdac_device_set_chip_name - set/update the codec name
179  * @codec: the HDAC device
182  * Returns 0 if the name is set or updated, or a negative error code.
184 int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name)  in snd_hdac_device_set_chip_name()  argument
189 		return 0;  in snd_hdac_device_set_chip_name()
192 		return -ENOMEM;  in snd_hdac_device_set_chip_name()
193 	kfree(codec->chip_name);  in snd_hdac_device_set_chip_name()
194 	codec->chip_name = newname;  in snd_hdac_device_set_chip_name()
195 	return 0;  in snd_hdac_device_set_chip_name()
200  * snd_hdac_codec_modalias - give the module alias name
201  * @codec: HDAC device
207 int snd_hdac_codec_modalias(const struct hdac_device *codec, char *buf, size_t size)  in snd_hdac_codec_modalias()  argument
210 			codec->vendor_id, codec->revision_id, codec->type);  in snd_hdac_codec_modalias()
215  * snd_hdac_make_cmd - compose a 32bit command word to be sent to the
216  *	HD-audio controller
217  * @codec: the codec object
222  * Return an encoded command verb or -1 for error.
224 static unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_make_cmd()  argument
229 	addr = codec->addr;  in snd_hdac_make_cmd()
230 	if ((addr & ~0xf) || (nid & ~0x7f) ||  in snd_hdac_make_cmd()
231 	    (verb & ~0xfff) || (parm & ~0xffff)) {  in snd_hdac_make_cmd()
232 		dev_err(&codec->dev, "out of range cmd %x:%x:%x:%x\n",  in snd_hdac_make_cmd()
234 		return -1;  in snd_hdac_make_cmd()
245  * snd_hdac_exec_verb - execute an encoded verb
246  * @codec: the codec object
256 int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,  in snd_hdac_exec_verb()  argument
259 	if (codec->exec_verb)  in snd_hdac_exec_verb()
260 		return codec->exec_verb(codec, cmd, flags, res);  in snd_hdac_exec_verb()
261 	return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res);  in snd_hdac_exec_verb()
266  * snd_hdac_read - execute a verb
267  * @codec: the codec object
275 int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read()  argument
278 	unsigned int cmd = snd_hdac_make_cmd(codec, nid, verb, parm);  in snd_hdac_read()
280 	return snd_hdac_exec_verb(codec, cmd, 0, res);  in snd_hdac_read()
285  * _snd_hdac_read_parm - read a parmeter
286  * @codec: the codec object
293 int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,  in _snd_hdac_read_parm()  argument
299 	return snd_hdac_regmap_read_raw(codec, cmd, res);  in _snd_hdac_read_parm()
304  * snd_hdac_read_parm_uncached - read a codec parameter without caching
305  * @codec: the codec object
309  * Returns -1 for error.  If you need to distinguish the error more
312 int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_read_parm_uncached()  argument
318 	if (snd_hdac_regmap_read_raw_uncached(codec, cmd, &val) < 0)  in snd_hdac_read_parm_uncached()
319 		return -1;  in snd_hdac_read_parm_uncached()
325  * snd_hdac_override_parm - override read-only parameters
326  * @codec: the codec object
331 int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_override_parm()  argument
337 	if (!codec->regmap)  in snd_hdac_override_parm()
338 		return -EINVAL;  in snd_hdac_override_parm()
340 	codec->caps_overwriting = true;  in snd_hdac_override_parm()
341 	err = snd_hdac_regmap_write_raw(codec, verb, val);  in snd_hdac_override_parm()
342 	codec->caps_overwriting = false;  in snd_hdac_override_parm()
348  * snd_hdac_get_sub_nodes - get start NID and number of subtree nodes
349  * @codec: the codec object
356 int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_sub_nodes()  argument
361 	parm = snd_hdac_read_parm_uncached(codec, nid, AC_PAR_NODE_COUNT);  in snd_hdac_get_sub_nodes()
362 	if (parm == -1) {  in snd_hdac_get_sub_nodes()
363 		*start_id = 0;  in snd_hdac_get_sub_nodes()
364 		return 0;  in snd_hdac_get_sub_nodes()
366 	*start_id = (parm >> 16) & 0x7fff;  in snd_hdac_get_sub_nodes()
367 	return (int)(parm & 0x7fff);  in snd_hdac_get_sub_nodes()
374 static void setup_fg_nodes(struct hdac_device *codec)  in setup_fg_nodes()  argument
379 	total_nodes = snd_hdac_get_sub_nodes(codec, AC_NODE_ROOT, &nid);  in setup_fg_nodes()
380 	for (i = 0; i < total_nodes; i++, nid++) {  in setup_fg_nodes()
381 		function_id = snd_hdac_read_parm(codec, nid,  in setup_fg_nodes()
383 		switch (function_id & 0xff) {  in setup_fg_nodes()
385 			codec->afg = nid;  in setup_fg_nodes()
386 			codec->afg_function_id = function_id & 0xff;  in setup_fg_nodes()
387 			codec->afg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
390 			codec->mfg = nid;  in setup_fg_nodes()
391 			codec->mfg_function_id = function_id & 0xff;  in setup_fg_nodes()
392 			codec->mfg_unsol = (function_id >> 8) & 1;  in setup_fg_nodes()
401  * snd_hdac_refresh_widgets - Reset the widget start/end nodes
402  * @codec: the codec object
404 int snd_hdac_refresh_widgets(struct hdac_device *codec)  in snd_hdac_refresh_widgets()  argument
407 	int nums, err = 0;  in snd_hdac_refresh_widgets()
413 	mutex_lock(&codec->widget_lock);  in snd_hdac_refresh_widgets()
414 	nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid);  in snd_hdac_refresh_widgets()
415 	if (!start_nid || nums <= 0 || nums >= 0xff) {  in snd_hdac_refresh_widgets()
416 		dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n",  in snd_hdac_refresh_widgets()
417 			codec->afg);  in snd_hdac_refresh_widgets()
418 		err = -EINVAL;  in snd_hdac_refresh_widgets()
422 	err = hda_widget_sysfs_reinit(codec, start_nid, nums);  in snd_hdac_refresh_widgets()
423 	if (err < 0)  in snd_hdac_refresh_widgets()
426 	codec->num_nodes = nums;  in snd_hdac_refresh_widgets()
427 	codec->start_nid = start_nid;  in snd_hdac_refresh_widgets()
428 	codec->end_nid = start_nid + nums;  in snd_hdac_refresh_widgets()
430 	mutex_unlock(&codec->widget_lock);  in snd_hdac_refresh_widgets()
436 static unsigned int get_num_conns(struct hdac_device *codec, hda_nid_t nid)  in get_num_conns()  argument
438 	unsigned int wcaps = get_wcaps(codec, nid);  in get_num_conns()
443 		return 0;  in get_num_conns()
445 	parm = snd_hdac_read_parm(codec, nid, AC_PAR_CONNLIST_LEN);  in get_num_conns()
446 	if (parm == -1)  in get_num_conns()
447 		parm = 0;  in get_num_conns()
452  * snd_hdac_get_connections - get a widget connection list
453  * @codec: the codec object
460  * given array size, it returns -ENOSPC.
464 int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_get_connections()  argument
471 	int null_count = 0;  in snd_hdac_get_connections()
473 	parm = get_num_conns(codec, nid);  in snd_hdac_get_connections()
475 		return 0;  in snd_hdac_get_connections()
487 	mask = (1 << (shift-1)) - 1;  in snd_hdac_get_connections()
490 		return 0; /* no connection */  in snd_hdac_get_connections()
494 		err = snd_hdac_read(codec, nid, AC_VERB_GET_CONNECT_LIST, 0,  in snd_hdac_get_connections()
496 		if (err < 0)  in snd_hdac_get_connections()
499 			conn_list[0] = parm & mask;  in snd_hdac_get_connections()
504 	conns = 0;  in snd_hdac_get_connections()
505 	prev_nid = 0;  in snd_hdac_get_connections()
506 	for (i = 0; i < conn_len; i++) {  in snd_hdac_get_connections()
510 		if (i % num_elems == 0) {  in snd_hdac_get_connections()
511 			err = snd_hdac_read(codec, nid,  in snd_hdac_get_connections()
514 			if (err < 0)  in snd_hdac_get_connections()
515 				return -EIO;  in snd_hdac_get_connections()
517 		range_val = !!(parm & (1 << (shift-1))); /* ranges */  in snd_hdac_get_connections()
519 		if (val == 0 && null_count++) {  /* no second chance */  in snd_hdac_get_connections()
520 			dev_dbg(&codec->dev,  in snd_hdac_get_connections()
523 			return 0;  in snd_hdac_get_connections()
529 				dev_warn(&codec->dev,  in snd_hdac_get_connections()
537 						return -ENOSPC;  in snd_hdac_get_connections()
545 					return -ENOSPC;  in snd_hdac_get_connections()
558  * snd_hdac_power_up - power up the codec
559  * @codec: the codec object
561  * This function calls the runtime PM helper to power up the given codec.
567 int snd_hdac_power_up(struct hdac_device *codec)  in snd_hdac_power_up()  argument
569 	return pm_runtime_get_sync(&codec->dev);  in snd_hdac_power_up()
574  * snd_hdac_power_down - power down the codec
575  * @codec: the codec object
579 int snd_hdac_power_down(struct hdac_device *codec)  in snd_hdac_power_down()  argument
581 	struct device *dev = &codec->dev;  in snd_hdac_power_down()
589  * snd_hdac_power_up_pm - power up the codec
590  * @codec: the codec object
593  * which may be called by PM suspend/resume again.  OTOH, if a power-up
599 int snd_hdac_power_up_pm(struct hdac_device *codec)  in snd_hdac_power_up_pm()  argument
601 	if (!atomic_inc_not_zero(&codec->in_pm))  in snd_hdac_power_up_pm()
602 		return snd_hdac_power_up(codec);  in snd_hdac_power_up_pm()
603 	return 0;  in snd_hdac_power_up_pm()
608  * already powered up.  Returns -1 if not powered up, 1 if incremented
609  * or 0 if unchanged.  Only used in hdac_regmap.c
611 int snd_hdac_keep_power_up(struct hdac_device *codec)  in snd_hdac_keep_power_up()  argument
613 	if (!atomic_inc_not_zero(&codec->in_pm)) {  in snd_hdac_keep_power_up()
614 		int ret = pm_runtime_get_if_active(&codec->dev, true);  in snd_hdac_keep_power_up()
616 			return -1;  in snd_hdac_keep_power_up()
617 		if (ret < 0)  in snd_hdac_keep_power_up()
618 			return 0;  in snd_hdac_keep_power_up()
624  * snd_hdac_power_down_pm - power down the codec
625  * @codec: the codec object
632 int snd_hdac_power_down_pm(struct hdac_device *codec)  in snd_hdac_power_down_pm()  argument
634 	if (atomic_dec_if_positive(&codec->in_pm) < 0)  in snd_hdac_power_down_pm()
635 		return snd_hdac_power_down(codec);  in snd_hdac_power_down_pm()
636 	return 0;  in snd_hdac_power_down_pm()
641 /* codec vendor labels */
648 	{ 0x0014, "Loongson" },
649 	{ 0x1002, "ATI" },
650 	{ 0x1013, "Cirrus Logic" },
651 	{ 0x1057, "Motorola" },
652 	{ 0x1095, "Silicon Image" },
653 	{ 0x10de, "Nvidia" },
654 	{ 0x10ec, "Realtek" },
655 	{ 0x1102, "Creative" },
656 	{ 0x1106, "VIA" },
657 	{ 0x111d, "IDT" },
658 	{ 0x11c1, "LSI" },
659 	{ 0x11d4, "Analog Devices" },
660 	{ 0x13f6, "C-Media" },
661 	{ 0x14f1, "Conexant" },
662 	{ 0x17e8, "Chrontel" },
663 	{ 0x1854, "LG" },
664 	{ 0x19e5, "Huawei" },
665 	{ 0x1aec, "Wolfson Microelectronics" },
666 	{ 0x1af4, "QEMU" },
667 	{ 0x434d, "C-Media" },
668 	{ 0x8086, "Intel" },
669 	{ 0x8384, "SigmaTel" },
673 /* store the codec vendor name */
674 static int get_codec_vendor_name(struct hdac_device *codec)  in get_codec_vendor_name()  argument
677 	u16 vendor_id = codec->vendor_id >> 16;  in get_codec_vendor_name()
679 	for (c = hda_vendor_ids; c->id; c++) {  in get_codec_vendor_name()
680 		if (c->id == vendor_id) {  in get_codec_vendor_name()
681 			codec->vendor_name = kstrdup(c->name, GFP_KERNEL);  in get_codec_vendor_name()
682 			return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
686 	codec->vendor_name = kasprintf(GFP_KERNEL, "Generic %04x", vendor_id);  in get_codec_vendor_name()
687 	return codec->vendor_name ? 0 : -ENOMEM;  in get_codec_vendor_name()
701 	(AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
702 	 (((div) - 1) << AC_FMT_DIV_SHIFT))
725 	{ 0 } /* terminator */
729  * snd_hdac_calc_stream_format - calculate the format bitset
734  * @spdif_ctls: HD-audio SPDIF status bits (0 if irrelevant)
747 	unsigned int val = 0;  in snd_hdac_calc_stream_format()
749 	for (i = 0; rate_bits[i].hz; i++)  in snd_hdac_calc_stream_format()
755 		return 0;  in snd_hdac_calc_stream_format()
757 	if (channels == 0 || channels > 8)  in snd_hdac_calc_stream_format()
758 		return 0;  in snd_hdac_calc_stream_format()
759 	val |= channels - 1;  in snd_hdac_calc_stream_format()
779 		return 0;  in snd_hdac_calc_stream_format()
789 static unsigned int query_pcm_param(struct hdac_device *codec, hda_nid_t nid)  in query_pcm_param()  argument
791 	unsigned int val = 0;  in query_pcm_param()
793 	if (nid != codec->afg &&  in query_pcm_param()
794 	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))  in query_pcm_param()
795 		val = snd_hdac_read_parm(codec, nid, AC_PAR_PCM);  in query_pcm_param()
796 	if (!val || val == -1)  in query_pcm_param()
797 		val = snd_hdac_read_parm(codec, codec->afg, AC_PAR_PCM);  in query_pcm_param()
798 	if (!val || val == -1)  in query_pcm_param()
799 		return 0;  in query_pcm_param()
803 static unsigned int query_stream_param(struct hdac_device *codec, hda_nid_t nid)  in query_stream_param()  argument
805 	unsigned int streams = snd_hdac_read_parm(codec, nid, AC_PAR_STREAM);  in query_stream_param()
807 	if (!streams || streams == -1)  in query_stream_param()
808 		streams = snd_hdac_read_parm(codec, codec->afg, AC_PAR_STREAM);  in query_stream_param()
809 	if (!streams || streams == -1)  in query_stream_param()
810 		return 0;  in query_stream_param()
815  * snd_hdac_query_supported_pcm - query the supported PCM rates and formats
816  * @codec: the codec object
825  * Returns 0 if successful, otherwise a negative error code.
827 int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_query_supported_pcm()  argument
832 	wcaps = get_wcaps(codec, nid);  in snd_hdac_query_supported_pcm()
833 	val = query_pcm_param(codec, nid);  in snd_hdac_query_supported_pcm()
836 		u32 rates = 0;  in snd_hdac_query_supported_pcm()
837 		for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {  in snd_hdac_query_supported_pcm()
841 		if (rates == 0) {  in snd_hdac_query_supported_pcm()
842 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
843 				"rates == 0 (nid=0x%x, val=0x%x, ovrd=%i)\n",  in snd_hdac_query_supported_pcm()
845 				(wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);  in snd_hdac_query_supported_pcm()
846 			return -EIO;  in snd_hdac_query_supported_pcm()
852 		u64 formats = 0;  in snd_hdac_query_supported_pcm()
855 		streams = query_stream_param(codec, nid);  in snd_hdac_query_supported_pcm()
857 			return -EIO;  in snd_hdac_query_supported_pcm()
859 		bps = 0;  in snd_hdac_query_supported_pcm()
889 #if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */  in snd_hdac_query_supported_pcm()
904 		if (formats == 0) {  in snd_hdac_query_supported_pcm()
905 			dev_err(&codec->dev,  in snd_hdac_query_supported_pcm()
906 				"formats == 0 (nid=0x%x, val=0x%x, ovrd=%i, streams=0x%x)\n",  in snd_hdac_query_supported_pcm()
908 				(wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,  in snd_hdac_query_supported_pcm()
910 			return -EIO;  in snd_hdac_query_supported_pcm()
918 	return 0;  in snd_hdac_query_supported_pcm()
923  * snd_hdac_is_supported_format - Check the validity of the format
924  * @codec: the codec object
926  * @format: the HD-audio format value to check
932 bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,  in snd_hdac_is_supported_format()  argument
936 	unsigned int val = 0, rate, stream;  in snd_hdac_is_supported_format()
938 	val = query_pcm_param(codec, nid);  in snd_hdac_is_supported_format()
942 	rate = format & 0xff00;  in snd_hdac_is_supported_format()
943 	for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)  in snd_hdac_is_supported_format()
952 	stream = query_stream_param(codec, nid);  in snd_hdac_is_supported_format()
957 		switch (format & 0xf0) {  in snd_hdac_is_supported_format()
958 		case 0x00:  in snd_hdac_is_supported_format()
962 		case 0x10:  in snd_hdac_is_supported_format()
966 		case 0x20:  in snd_hdac_is_supported_format()
970 		case 0x30:  in snd_hdac_is_supported_format()
974 		case 0x40:  in snd_hdac_is_supported_format()
996 		return -1;  in codec_read()
1010  * snd_hdac_codec_read - send a command and get the response
1019  * Returns the obtained response value, or -1 for an error.
1029  * snd_hdac_codec_write - send a single command without waiting for response
1038  * Returns 0 if successful, or a negative error code.
1048  * snd_hdac_check_power_state - check whether the actual power state matches
1060 	unsigned int state = codec_read(hdac, nid, 0,  in snd_hdac_check_power_state()
1061 				AC_VERB_GET_POWER_STATE, 0);  in snd_hdac_check_power_state()
1065 	state = (state >> 4) & 0x0f;  in snd_hdac_check_power_state()
1070  * snd_hdac_sync_power_state - wait until actual power state matches
1073  * @codec: the HDAC device
1077  * Return power state or PS_ERROR if codec rejects GET verb.
1079 unsigned int snd_hdac_sync_power_state(struct hdac_device *codec,  in snd_hdac_sync_power_state()  argument
1085 	for (count = 0; count < 500; count++) {  in snd_hdac_sync_power_state()
1086 		state = snd_hdac_codec_read(codec, nid, 0,  in snd_hdac_sync_power_state()
1087 				AC_VERB_GET_POWER_STATE, 0);  in snd_hdac_sync_power_state()
1092 		actual_state = (state >> 4) & 0x0f;  in snd_hdac_sync_power_state()
1097 		/* wait until the codec reachs to the target state */  in snd_hdac_sync_power_state()