1 // SPDX-License-Identifier: GPL-2.0-or-later
44 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_disconnect()
49 	guard(mutex)(&jack->input_dev_lock);  in snd_jack_dev_disconnect()
50 	if (!jack->input_dev)  in snd_jack_dev_disconnect()
55 	if (jack->registered)  in snd_jack_dev_disconnect()
56 		input_unregister_device(jack->input_dev);  in snd_jack_dev_disconnect()
58 		input_free_device(jack->input_dev);  in snd_jack_dev_disconnect()
59 	jack->input_dev = NULL;  in snd_jack_dev_disconnect()
66 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_free()
67 	struct snd_card *card = device->card;  in snd_jack_dev_free()
70 	list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {  in snd_jack_dev_free()
71 		list_del_init(&jack_kctl->list);  in snd_jack_dev_free()
72 		snd_ctl_remove(card, jack_kctl->kctl);  in snd_jack_dev_free()
75 	if (jack->private_free)  in snd_jack_dev_free()
76 		jack->private_free(jack);  in snd_jack_dev_free()
80 	kfree(jack->id);  in snd_jack_dev_free()
89 	struct snd_jack *jack = device->device_data;  in snd_jack_dev_register()
90 	struct snd_card *card = device->card;  in snd_jack_dev_register()
93 	snprintf(jack->name, sizeof(jack->name), "%s %s",  in snd_jack_dev_register()
94 		 card->shortname, jack->id);  in snd_jack_dev_register()
96 	guard(mutex)(&jack->input_dev_lock);  in snd_jack_dev_register()
97 	if (!jack->input_dev)  in snd_jack_dev_register()
100 	jack->input_dev->name = jack->name;  in snd_jack_dev_register()
103 	if (!jack->input_dev->dev.parent)  in snd_jack_dev_register()
104 		jack->input_dev->dev.parent = snd_card_get_device_link(card);  in snd_jack_dev_register()
107 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_dev_register()
110 		if (!(jack->type & testbit))  in snd_jack_dev_register()
113 		if (!jack->key[i])  in snd_jack_dev_register()
114 			jack->key[i] = BTN_0 + i;  in snd_jack_dev_register()
116 		input_set_capability(jack->input_dev, EV_KEY, jack->key[i]);  in snd_jack_dev_register()
119 	err = input_register_device(jack->input_dev);  in snd_jack_dev_register()
121 		jack->registered = 1;  in snd_jack_dev_register()
137 	jack = jack_kctl->jack;  in snd_jack_inject_report()
139 	if (jack_kctl->sw_inject_enable)  in snd_jack_inject_report()
140 		snd_kctl_jack_report(jack->card, jack_kctl->kctl,  in snd_jack_inject_report()
141 				     status & jack_kctl->mask_bits);  in snd_jack_inject_report()
144 	if (!jack->input_dev)  in snd_jack_inject_report()
147 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_inject_report()
148 		int testbit = ((SND_JACK_BTN_0 >> i) & jack_kctl->mask_bits);  in snd_jack_inject_report()
150 		if (jack->type & testbit)  in snd_jack_inject_report()
151 			input_report_key(jack->input_dev, jack->key[i],  in snd_jack_inject_report()
156 		int testbit = ((1 << i) & jack_kctl->mask_bits);  in snd_jack_inject_report()
158 		if (jack->type & testbit)  in snd_jack_inject_report()
159 			input_report_switch(jack->input_dev,  in snd_jack_inject_report()
164 	input_sync(jack->input_dev);  in snd_jack_inject_report()
171 	struct snd_jack_kctl *jack_kctl = file->private_data;  in sw_inject_enable_read()
175 	len = scnprintf(buf, sizeof(buf), "%s: %s\t\t%s: %i\n", "Jack", jack_kctl->kctl->id.name,  in sw_inject_enable_read()
176 			"Inject Enabled", jack_kctl->sw_inject_enable);  in sw_inject_enable_read()
185 	struct snd_jack_kctl *jack_kctl = file->private_data;  in sw_inject_enable_write()
187 	unsigned long enable;  in sw_inject_enable_write()  local
190 	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);  in sw_inject_enable_write()
191 	err = kstrtoul(buf, 0, &enable);  in sw_inject_enable_write()
195 	if (jack_kctl->sw_inject_enable == (!!enable))  in sw_inject_enable_write()
198 	jack_kctl->sw_inject_enable = !!enable;  in sw_inject_enable_write()
200 	if (!jack_kctl->sw_inject_enable)  in sw_inject_enable_write()
201 		snd_jack_report(jack_kctl->jack, jack_kctl->jack->hw_status_cache);  in sw_inject_enable_write()
209 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jackin_inject_write()
211 	unsigned long enable;  in jackin_inject_write()  local
214 	if (!jack_kctl->sw_inject_enable)  in jackin_inject_write()
215 		return -EINVAL;  in jackin_inject_write()
217 	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);  in jackin_inject_write()
218 	err = kstrtoul(buf, 0, &enable);  in jackin_inject_write()
222 	snd_jack_inject_report(jack_kctl, !!enable ? jack_kctl->mask_bits : 0);  in jackin_inject_write()
230 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_id_read()
234 	len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->id.name);  in jack_kctl_id_read()
268 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_mask_bits_read()
272 	len = parse_mask_bits(jack_kctl->mask_bits, buf, sizeof(buf));  in jack_kctl_mask_bits_read()
281 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_kctl_status_read()
285 	len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->private_value ?  in jack_kctl_status_read()
296 	struct snd_jack_kctl *jack_kctl = file->private_data;  in jack_type_read()
300 	len = parse_mask_bits(jack_kctl->jack->type, buf, sizeof(buf));  in jack_type_read()
351 	if (strstr(jack_kctl->kctl->id.name, "Phantom"))  in snd_jack_debugfs_add_inject_node()
354 	tname = kstrdup(jack_kctl->kctl->id.name, GFP_KERNEL);  in snd_jack_debugfs_add_inject_node()
356 		return -ENOMEM;  in snd_jack_debugfs_add_inject_node()
363 	jack_kctl->jack_debugfs_root = debugfs_create_dir(tname, jack->card->debugfs_root);  in snd_jack_debugfs_add_inject_node()
366 	debugfs_create_file("sw_inject_enable", 0644, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
369 	debugfs_create_file("jackin_inject", 0200, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
372 	debugfs_create_file("kctl_id", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
375 	debugfs_create_file("mask_bits", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
378 	debugfs_create_file("status", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
382 	debugfs_create_file("type", 0444, jack_kctl->jack_debugfs_root, jack_kctl,  in snd_jack_debugfs_add_inject_node()
392 	list_for_each_entry(jack_kctl, &jack->kctl_list, list) {  in snd_jack_remove_debugfs()
393 		debugfs_remove(jack_kctl->jack_debugfs_root);  in snd_jack_remove_debugfs()
394 		jack_kctl->jack_debugfs_root = NULL;  in snd_jack_remove_debugfs()
413 	jack_kctl = kctl->private_data;  in snd_jack_kctl_private_free()
415 		list_del(&jack_kctl->list);  in snd_jack_kctl_private_free()
422 	jack_kctl->jack = jack;  in snd_jack_kctl_add()
423 	list_add_tail(&jack_kctl->list, &jack->kctl_list);  in snd_jack_kctl_add()
446 	jack_kctl->kctl = kctl;  in snd_jack_kctl_new()
447 	jack_kctl->mask_bits = mask;  in snd_jack_kctl_new()
449 	kctl->private_data = jack_kctl;  in snd_jack_kctl_new()
450 	kctl->private_free = snd_jack_kctl_private_free;  in snd_jack_kctl_new()
459  * snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
473 	jack_kctl = snd_jack_kctl_new(jack->card, name, mask);  in snd_jack_add_new_kctl()
475 		return -ENOMEM;  in snd_jack_add_new_kctl()
483  * snd_jack_new - Create a new jack
514 			return -ENOMEM;  in snd_jack_new()
519 		return -ENOMEM;  in snd_jack_new()
521 	jack->id = kstrdup(id, GFP_KERNEL);  in snd_jack_new()
522 	if (jack->id == NULL) {  in snd_jack_new()
524 		return -ENOMEM;  in snd_jack_new()
528 	mutex_init(&jack->input_dev_lock);  in snd_jack_new()
534 		jack->input_dev = input_allocate_device();  in snd_jack_new()
535 		if (jack->input_dev == NULL) {  in snd_jack_new()
536 			err = -ENOMEM;  in snd_jack_new()
540 		jack->input_dev->phys = "ALSA";  in snd_jack_new()
542 		jack->type = type;  in snd_jack_new()
546 				input_set_capability(jack->input_dev, EV_SW,  in snd_jack_new()
556 	jack->card = card;  in snd_jack_new()
557 	INIT_LIST_HEAD(&jack->kctl_list);  in snd_jack_new()
568 	input_free_device(jack->input_dev);  in snd_jack_new()
570 	kfree(jack->id);  in snd_jack_new()
578  * snd_jack_set_parent - Set the parent device for a jack
589 	WARN_ON(jack->registered);  in snd_jack_set_parent()
590 	guard(mutex)(&jack->input_dev_lock);  in snd_jack_set_parent()
591 	if (jack->input_dev)  in snd_jack_set_parent()
592 		jack->input_dev->dev.parent = parent;  in snd_jack_set_parent()
597  * snd_jack_set_key - Set a key mapping on a jack
600  * @type:    Jack report type for this key
601  * @keytype: Input layer key type to be reported
603  * Map a SND_JACK_BTN_* button type to an input layer key, allowing
613  * access the input device directly - devices with complex input
624 	int key = fls(SND_JACK_BTN_0) - fls(type);  in snd_jack_set_key()  local
626 	WARN_ON(jack->registered);  in snd_jack_set_key()
628 	if (!keytype || key >= ARRAY_SIZE(jack->key))  in snd_jack_set_key()
629 		return -EINVAL;  in snd_jack_set_key()
631 	jack->type |= type;  in snd_jack_set_key()
632 	jack->key[key] = keytype;  in snd_jack_set_key()
639  * snd_jack_report - Report the current status of a jack
658 	jack->hw_status_cache = status;  in snd_jack_report()
660 	list_for_each_entry(jack_kctl, &jack->kctl_list, list)  in snd_jack_report()
661 		if (jack_kctl->sw_inject_enable)  in snd_jack_report()
662 			mask_bits |= jack_kctl->mask_bits;  in snd_jack_report()
664 			snd_kctl_jack_report(jack->card, jack_kctl->kctl,  in snd_jack_report()
665 					     status & jack_kctl->mask_bits);  in snd_jack_report()
668 	idev = input_get_device(jack->input_dev);  in snd_jack_report()
672 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {  in snd_jack_report()
675 		if (jack->type & testbit)  in snd_jack_report()
676 			input_report_key(idev, jack->key[i],  in snd_jack_report()
683 		if (jack->type & testbit)  in snd_jack_report()