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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 *   USB Audio Driver for ALSA4 *5 *   Quirks and vendor-specific extensions for mixer interfaces6 *7 *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>8 *9 *   Many codes borrowed from audio.c by10 *	    Alan Cox (alan@lxorguk.ukuu.org.uk)11 *	    Thomas Sailer (sailer@ife.ee.ethz.ch)12 *13 *   Audio Advantage Micro II support added by:14 *	    Przemek Rudy (prudy1@o2.pl)15 */16 17#include <linux/bitfield.h>18#include <linux/hid.h>19#include <linux/init.h>20#include <linux/math64.h>21#include <linux/slab.h>22#include <linux/usb.h>23#include <linux/usb/audio.h>24 25#include <sound/asoundef.h>26#include <sound/core.h>27#include <sound/control.h>28#include <sound/hda_verbs.h>29#include <sound/hwdep.h>30#include <sound/info.h>31#include <sound/tlv.h>32 33#include "usbaudio.h"34#include "mixer.h"35#include "mixer_quirks.h"36#include "mixer_scarlett.h"37#include "mixer_scarlett2.h"38#include "mixer_us16x08.h"39#include "mixer_s1810c.h"40#include "helper.h"41 42struct std_mono_table {43	unsigned int unitid, control, cmask;44	int val_type;45	const char *name;46	snd_kcontrol_tlv_rw_t *tlv_callback;47};48 49/* This function allows for the creation of standard UAC controls.50 * See the quirks for M-Audio FTUs or Ebox-44.51 * If you don't want to set a TLV callback pass NULL.52 *53 * Since there doesn't seem to be a devices that needs a multichannel54 * version, we keep it mono for simplicity.55 */56static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,57				unsigned int unitid,58				unsigned int control,59				unsigned int cmask,60				int val_type,61				unsigned int idx_off,62				const char *name,63				snd_kcontrol_tlv_rw_t *tlv_callback)64{65	struct usb_mixer_elem_info *cval;66	struct snd_kcontrol *kctl;67 68	cval = kzalloc(sizeof(*cval), GFP_KERNEL);69	if (!cval)70		return -ENOMEM;71 72	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);73	cval->val_type = val_type;74	cval->channels = 1;75	cval->control = control;76	cval->cmask = cmask;77	cval->idx_off = idx_off;78 79	/* get_min_max() is called only for integer volumes later,80	 * so provide a short-cut for booleans */81	cval->min = 0;82	cval->max = 1;83	cval->res = 0;84	cval->dBmin = 0;85	cval->dBmax = 0;86 87	/* Create control */88	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);89	if (!kctl) {90		kfree(cval);91		return -ENOMEM;92	}93 94	/* Set name */95	snprintf(kctl->id.name, sizeof(kctl->id.name), name);96	kctl->private_free = snd_usb_mixer_elem_free;97 98	/* set TLV */99	if (tlv_callback) {100		kctl->tlv.c = tlv_callback;101		kctl->vd[0].access |=102			SNDRV_CTL_ELEM_ACCESS_TLV_READ |103			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;104	}105	/* Add control to mixer */106	return snd_usb_mixer_add_control(&cval->head, kctl);107}108 109static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,110				unsigned int unitid,111				unsigned int control,112				unsigned int cmask,113				int val_type,114				const char *name,115				snd_kcontrol_tlv_rw_t *tlv_callback)116{117	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,118		val_type, 0 /* Offset */, name, tlv_callback);119}120 121/*122 * Create a set of standard UAC controls from a table123 */124static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,125				     const struct std_mono_table *t)126{127	int err;128 129	while (t->name != NULL) {130		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,131				t->cmask, t->val_type, t->name, t->tlv_callback);132		if (err < 0)133			return err;134		t++;135	}136 137	return 0;138}139 140static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,141				      int id,142				      usb_mixer_elem_resume_func_t resume,143				      const struct snd_kcontrol_new *knew,144				      struct usb_mixer_elem_list **listp)145{146	struct usb_mixer_elem_list *list;147	struct snd_kcontrol *kctl;148 149	list = kzalloc(sizeof(*list), GFP_KERNEL);150	if (!list)151		return -ENOMEM;152	if (listp)153		*listp = list;154	list->mixer = mixer;155	list->id = id;156	list->resume = resume;157	kctl = snd_ctl_new1(knew, list);158	if (!kctl) {159		kfree(list);160		return -ENOMEM;161	}162	kctl->private_free = snd_usb_mixer_elem_free;163	/* don't use snd_usb_mixer_add_control() here, this is a special list element */164	return snd_usb_mixer_add_list(list, kctl, false);165}166 167/*168 * Sound Blaster remote control configuration169 *170 * format of remote control data:171 * Extigy:       xx 00172 * Audigy 2 NX:  06 80 xx 00 00 00173 * Live! 24-bit: 06 80 xx yy 22 83174 */175static const struct rc_config {176	u32 usb_id;177	u8  offset;178	u8  length;179	u8  packet_length;180	u8  min_packet_length; /* minimum accepted length of the URB result */181	u8  mute_mixer_id;182	u32 mute_code;183} rc_configs[] = {184	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */185	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */186	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */187	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */188	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */189	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */190	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */191	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */192};193 194static void snd_usb_soundblaster_remote_complete(struct urb *urb)195{196	struct usb_mixer_interface *mixer = urb->context;197	const struct rc_config *rc = mixer->rc_cfg;198	u32 code;199 200	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)201		return;202 203	code = mixer->rc_buffer[rc->offset];204	if (rc->length == 2)205		code |= mixer->rc_buffer[rc->offset + 1] << 8;206 207	/* the Mute button actually changes the mixer control */208	if (code == rc->mute_code)209		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);210	mixer->rc_code = code;211	wmb();212	wake_up(&mixer->rc_waitq);213}214 215static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,216				     long count, loff_t *offset)217{218	struct usb_mixer_interface *mixer = hw->private_data;219	int err;220	u32 rc_code;221 222	if (count != 1 && count != 4)223		return -EINVAL;224	err = wait_event_interruptible(mixer->rc_waitq,225				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);226	if (err == 0) {227		if (count == 1)228			err = put_user(rc_code, buf);229		else230			err = put_user(rc_code, (u32 __user *)buf);231	}232	return err < 0 ? err : count;233}234 235static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,236					    poll_table *wait)237{238	struct usb_mixer_interface *mixer = hw->private_data;239 240	poll_wait(file, &mixer->rc_waitq, wait);241	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;242}243 244static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)245{246	struct snd_hwdep *hwdep;247	int err, len, i;248 249	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)250		if (rc_configs[i].usb_id == mixer->chip->usb_id)251			break;252	if (i >= ARRAY_SIZE(rc_configs))253		return 0;254	mixer->rc_cfg = &rc_configs[i];255 256	len = mixer->rc_cfg->packet_length;257 258	init_waitqueue_head(&mixer->rc_waitq);259	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);260	if (err < 0)261		return err;262	snprintf(hwdep->name, sizeof(hwdep->name),263		 "%s remote control", mixer->chip->card->shortname);264	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;265	hwdep->private_data = mixer;266	hwdep->ops.read = snd_usb_sbrc_hwdep_read;267	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;268	hwdep->exclusive = 1;269 270	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);271	if (!mixer->rc_urb)272		return -ENOMEM;273	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);274	if (!mixer->rc_setup_packet) {275		usb_free_urb(mixer->rc_urb);276		mixer->rc_urb = NULL;277		return -ENOMEM;278	}279	mixer->rc_setup_packet->bRequestType =280		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;281	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;282	mixer->rc_setup_packet->wValue = cpu_to_le16(0);283	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);284	mixer->rc_setup_packet->wLength = cpu_to_le16(len);285	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,286			     usb_rcvctrlpipe(mixer->chip->dev, 0),287			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,288			     snd_usb_soundblaster_remote_complete, mixer);289	return 0;290}291 292#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info293 294static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)295{296	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;297	return 0;298}299 300static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,301				    int value, int index)302{303	struct snd_usb_audio *chip = mixer->chip;304	int err;305 306	err = snd_usb_lock_shutdown(chip);307	if (err < 0)308		return err;309 310	if (chip->usb_id == USB_ID(0x041e, 0x3042))311		err = snd_usb_ctl_msg(chip->dev,312			      usb_sndctrlpipe(chip->dev, 0), 0x24,313			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,314			      !value, 0, NULL, 0);315	/* USB X-Fi S51 Pro */316	if (chip->usb_id == USB_ID(0x041e, 0x30df))317		err = snd_usb_ctl_msg(chip->dev,318			      usb_sndctrlpipe(chip->dev, 0), 0x24,319			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,320			      !value, 0, NULL, 0);321	else322		err = snd_usb_ctl_msg(chip->dev,323			      usb_sndctrlpipe(chip->dev, 0), 0x24,324			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,325			      value, index + 2, NULL, 0);326	snd_usb_unlock_shutdown(chip);327	return err;328}329 330static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,331				 struct snd_ctl_elem_value *ucontrol)332{333	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);334	struct usb_mixer_interface *mixer = list->mixer;335	int index = kcontrol->private_value & 0xff;336	unsigned int value = ucontrol->value.integer.value[0];337	int old_value = kcontrol->private_value >> 8;338	int err;339 340	if (value > 1)341		return -EINVAL;342	if (value == old_value)343		return 0;344	kcontrol->private_value = (value << 8) | index;345	err = snd_audigy2nx_led_update(mixer, value, index);346	return err < 0 ? err : 1;347}348 349static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)350{351	int priv_value = list->kctl->private_value;352 353	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,354					priv_value & 0xff);355}356 357/* name and private_value are set dynamically */358static const struct snd_kcontrol_new snd_audigy2nx_control = {359	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,360	.info = snd_audigy2nx_led_info,361	.get = snd_audigy2nx_led_get,362	.put = snd_audigy2nx_led_put,363};364 365static const char * const snd_audigy2nx_led_names[] = {366	"CMSS LED Switch",367	"Power LED Switch",368	"Dolby Digital LED Switch",369};370 371static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)372{373	int i, err;374 375	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {376		struct snd_kcontrol_new knew;377 378		/* USB X-Fi S51 doesn't have a CMSS LED */379		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)380			continue;381		/* USB X-Fi S51 Pro doesn't have one either */382		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)383			continue;384		if (i > 1 && /* Live24ext has 2 LEDs only */385			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||386			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||387			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||388			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))389			break; 390 391		knew = snd_audigy2nx_control;392		knew.name = snd_audigy2nx_led_names[i];393		knew.private_value = (1 << 8) | i; /* LED on as default */394		err = add_single_ctl_with_resume(mixer, 0,395						 snd_audigy2nx_led_resume,396						 &knew, NULL);397		if (err < 0)398			return err;399	}400	return 0;401}402 403static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,404				    struct snd_info_buffer *buffer)405{406	static const struct sb_jack {407		int unitid;408		const char *name;409	}  jacks_audigy2nx[] = {410		{4,  "dig in "},411		{7,  "line in"},412		{19, "spk out"},413		{20, "hph out"},414		{-1, NULL}415	}, jacks_live24ext[] = {416		{4,  "line in"}, /* &1=Line, &2=Mic*/417		{3,  "hph out"}, /* headphones */418		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */419		{-1, NULL}420	};421	const struct sb_jack *jacks;422	struct usb_mixer_interface *mixer = entry->private_data;423	int i, err;424	u8 buf[3];425 426	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);427	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))428		jacks = jacks_audigy2nx;429	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||430		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))431		jacks = jacks_live24ext;432	else433		return;434 435	for (i = 0; jacks[i].name; ++i) {436		snd_iprintf(buffer, "%s: ", jacks[i].name);437		err = snd_usb_lock_shutdown(mixer->chip);438		if (err < 0)439			return;440		err = snd_usb_ctl_msg(mixer->chip->dev,441				      usb_rcvctrlpipe(mixer->chip->dev, 0),442				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |443				      USB_RECIP_INTERFACE, 0,444				      jacks[i].unitid << 8, buf, 3);445		snd_usb_unlock_shutdown(mixer->chip);446		if (err == 3 && (buf[0] == 3 || buf[0] == 6))447			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);448		else449			snd_iprintf(buffer, "?\n");450	}451}452 453/* EMU0204 */454static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,455				      struct snd_ctl_elem_info *uinfo)456{457	static const char * const texts[2] = {"1/2", "3/4"};458 459	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);460}461 462static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,463				     struct snd_ctl_elem_value *ucontrol)464{465	ucontrol->value.enumerated.item[0] = kcontrol->private_value;466	return 0;467}468 469static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,470					int value)471{472	struct snd_usb_audio *chip = mixer->chip;473	int err;474	unsigned char buf[2];475 476	err = snd_usb_lock_shutdown(chip);477	if (err < 0)478		return err;479 480	buf[0] = 0x01;481	buf[1] = value ? 0x02 : 0x01;482	err = snd_usb_ctl_msg(chip->dev,483		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,484		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,485		      0x0400, 0x0e00, buf, 2);486	snd_usb_unlock_shutdown(chip);487	return err;488}489 490static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,491				     struct snd_ctl_elem_value *ucontrol)492{493	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);494	struct usb_mixer_interface *mixer = list->mixer;495	unsigned int value = ucontrol->value.enumerated.item[0];496	int err;497 498	if (value > 1)499		return -EINVAL;500 501	if (value == kcontrol->private_value)502		return 0;503 504	kcontrol->private_value = value;505	err = snd_emu0204_ch_switch_update(mixer, value);506	return err < 0 ? err : 1;507}508 509static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)510{511	return snd_emu0204_ch_switch_update(list->mixer,512					    list->kctl->private_value);513}514 515static const struct snd_kcontrol_new snd_emu0204_control = {516	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,517	.name = "Front Jack Channels",518	.info = snd_emu0204_ch_switch_info,519	.get = snd_emu0204_ch_switch_get,520	.put = snd_emu0204_ch_switch_put,521	.private_value = 0,522};523 524static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)525{526	return add_single_ctl_with_resume(mixer, 0,527					  snd_emu0204_ch_switch_resume,528					  &snd_emu0204_control, NULL);529}530 531/* ASUS Xonar U1 / U3 controls */532 533static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,534				   struct snd_ctl_elem_value *ucontrol)535{536	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);537	return 0;538}539 540static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,541				      unsigned char status)542{543	struct snd_usb_audio *chip = mixer->chip;544	int err;545 546	err = snd_usb_lock_shutdown(chip);547	if (err < 0)548		return err;549	err = snd_usb_ctl_msg(chip->dev,550			      usb_sndctrlpipe(chip->dev, 0), 0x08,551			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,552			      50, 0, &status, 1);553	snd_usb_unlock_shutdown(chip);554	return err;555}556 557static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,558				   struct snd_ctl_elem_value *ucontrol)559{560	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);561	u8 old_status, new_status;562	int err;563 564	old_status = kcontrol->private_value;565	if (ucontrol->value.integer.value[0])566		new_status = old_status | 0x02;567	else568		new_status = old_status & ~0x02;569	if (new_status == old_status)570		return 0;571 572	kcontrol->private_value = new_status;573	err = snd_xonar_u1_switch_update(list->mixer, new_status);574	return err < 0 ? err : 1;575}576 577static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)578{579	return snd_xonar_u1_switch_update(list->mixer,580					  list->kctl->private_value);581}582 583static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {584	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,585	.name = "Digital Playback Switch",586	.info = snd_ctl_boolean_mono_info,587	.get = snd_xonar_u1_switch_get,588	.put = snd_xonar_u1_switch_put,589	.private_value = 0x05,590};591 592static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)593{594	return add_single_ctl_with_resume(mixer, 0,595					  snd_xonar_u1_switch_resume,596					  &snd_xonar_u1_output_switch, NULL);597}598 599/* Digidesign Mbox 1 helper functions */600 601static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)602{603	unsigned char buff[3];604	int err;605	int is_spdif_synced;606 607	/* Read clock source */608	err = snd_usb_ctl_msg(chip->dev,609			      usb_rcvctrlpipe(chip->dev, 0), 0x81,610			      USB_DIR_IN |611			      USB_TYPE_CLASS |612			      USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);613	if (err < 0)614		return err;615 616	/* spdif sync: buff is all zeroes */617	is_spdif_synced = !(buff[0] | buff[1] | buff[2]);618	return is_spdif_synced;619}620 621static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)622{623	/* 2 possibilities:	Internal    -> expects sample rate624	 *			S/PDIF sync -> expects rate = 0625	 */626	unsigned char buff[3];627 628	buff[0] = (rate_or_zero >>  0) & 0xff;629	buff[1] = (rate_or_zero >>  8) & 0xff;630	buff[2] = (rate_or_zero >> 16) & 0xff;631 632	/* Set clock source */633	return snd_usb_ctl_msg(chip->dev,634			       usb_sndctrlpipe(chip->dev, 0), 0x1,635			       USB_TYPE_CLASS |636			       USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);637}638 639static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)640{641	/* Hardware gives 2 possibilities:	ANALOG Source  -> 0x01642	 *					S/PDIF Source  -> 0x02643	 */644	int err;645	unsigned char source[1];646 647	/* Read input source */648	err = snd_usb_ctl_msg(chip->dev,649			      usb_rcvctrlpipe(chip->dev, 0), 0x81,650			      USB_DIR_IN |651			      USB_TYPE_CLASS |652			      USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);653	if (err < 0)654		return err;655 656	return (source[0] == 2);657}658 659static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)660{661	/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF662	 * Hardware expects 2 possibilities:	ANALOG Source  -> 0x01663	 *					S/PDIF Source  -> 0x02664	 */665	unsigned char buff[1];666 667	buff[0] = (is_spdif & 1) + 1;668 669	/* Set input source */670	return snd_usb_ctl_msg(chip->dev,671			       usb_sndctrlpipe(chip->dev, 0), 0x1,672			       USB_TYPE_CLASS |673			       USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);674}675 676/* Digidesign Mbox 1 clock source switch (internal/spdif) */677 678static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,679				    struct snd_ctl_elem_value *ucontrol)680{681	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);682	struct snd_usb_audio *chip = list->mixer->chip;683	int err;684 685	err = snd_usb_lock_shutdown(chip);686	if (err < 0)687		goto err;688 689	err = snd_mbox1_is_spdif_synced(chip);690	if (err < 0)691		goto err;692 693	kctl->private_value = err;694	err = 0;695	ucontrol->value.enumerated.item[0] = kctl->private_value;696err:697	snd_usb_unlock_shutdown(chip);698	return err;699}700 701static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)702{703	struct snd_usb_audio *chip = mixer->chip;704	int err;705 706	err = snd_usb_lock_shutdown(chip);707	if (err < 0)708		return err;709 710	err = snd_mbox1_is_spdif_input(chip);711	if (err < 0)712		goto err;713 714	err = snd_mbox1_is_spdif_synced(chip);715	if (err < 0)716		goto err;717 718	/* FIXME: hardcoded sample rate */719	err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);720	if (err < 0)721		goto err;722 723	err = snd_mbox1_is_spdif_synced(chip);724err:725	snd_usb_unlock_shutdown(chip);726	return err;727}728 729static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,730				    struct snd_ctl_elem_value *ucontrol)731{732	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);733	struct usb_mixer_interface *mixer = list->mixer;734	int err;735	bool cur_val, new_val;736 737	cur_val = kctl->private_value;738	new_val = ucontrol->value.enumerated.item[0];739	if (cur_val == new_val)740		return 0;741 742	kctl->private_value = new_val;743	err = snd_mbox1_clk_switch_update(mixer, new_val);744	return err < 0 ? err : 1;745}746 747static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,748				     struct snd_ctl_elem_info *uinfo)749{750	static const char *const texts[2] = {751		"Internal",752		"S/PDIF"753	};754 755	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);756}757 758static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)759{760	return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);761}762 763/* Digidesign Mbox 1 input source switch (analog/spdif) */764 765static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,766				    struct snd_ctl_elem_value *ucontrol)767{768	ucontrol->value.enumerated.item[0] = kctl->private_value;769	return 0;770}771 772static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)773{774	struct snd_usb_audio *chip = mixer->chip;775	int err;776 777	err = snd_usb_lock_shutdown(chip);778	if (err < 0)779		return err;780 781	err = snd_mbox1_is_spdif_input(chip);782	if (err < 0)783		goto err;784 785	err = snd_mbox1_set_input_source(chip, is_spdif_input);786	if (err < 0)787		goto err;788 789	err = snd_mbox1_is_spdif_input(chip);790	if (err < 0)791		goto err;792 793	err = snd_mbox1_is_spdif_synced(chip);794err:795	snd_usb_unlock_shutdown(chip);796	return err;797}798 799static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,800				    struct snd_ctl_elem_value *ucontrol)801{802	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);803	struct usb_mixer_interface *mixer = list->mixer;804	int err;805	bool cur_val, new_val;806 807	cur_val = kctl->private_value;808	new_val = ucontrol->value.enumerated.item[0];809	if (cur_val == new_val)810		return 0;811 812	kctl->private_value = new_val;813	err = snd_mbox1_src_switch_update(mixer, new_val);814	return err < 0 ? err : 1;815}816 817static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,818				     struct snd_ctl_elem_info *uinfo)819{820	static const char *const texts[2] = {821		"Analog",822		"S/PDIF"823	};824 825	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);826}827 828static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)829{830	return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);831}832 833static const struct snd_kcontrol_new snd_mbox1_clk_switch = {834	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,835	.name = "Clock Source",836	.index = 0,837	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,838	.info = snd_mbox1_clk_switch_info,839	.get = snd_mbox1_clk_switch_get,840	.put = snd_mbox1_clk_switch_put,841	.private_value = 0842};843 844static const struct snd_kcontrol_new snd_mbox1_src_switch = {845	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,846	.name = "Input Source",847	.index = 1,848	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,849	.info = snd_mbox1_src_switch_info,850	.get = snd_mbox1_src_switch_get,851	.put = snd_mbox1_src_switch_put,852	.private_value = 0853};854 855static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)856{857	int err;858	err = add_single_ctl_with_resume(mixer, 0,859					 snd_mbox1_clk_switch_resume,860					 &snd_mbox1_clk_switch, NULL);861	if (err < 0)862		return err;863 864	return add_single_ctl_with_resume(mixer, 1,865					  snd_mbox1_src_switch_resume,866					  &snd_mbox1_src_switch, NULL);867}868 869/* Native Instruments device quirks */870 871#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))872 873static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,874				   struct snd_kcontrol *kctl)875{876	struct usb_device *dev = mixer->chip->dev;877	unsigned int pval = kctl->private_value;878	u8 value;879	int err;880 881	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),882			      (pval >> 16) & 0xff,883			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,884			      0, pval & 0xffff, &value, 1);885	if (err < 0) {886		dev_err(&dev->dev,887			"unable to issue vendor read request (ret = %d)", err);888		return err;889	}890 891	kctl->private_value |= ((unsigned int)value << 24);892	return 0;893}894 895static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,896					     struct snd_ctl_elem_value *ucontrol)897{898	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;899	return 0;900}901 902static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)903{904	struct snd_usb_audio *chip = list->mixer->chip;905	unsigned int pval = list->kctl->private_value;906	int err;907 908	err = snd_usb_lock_shutdown(chip);909	if (err < 0)910		return err;911	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),912			      (pval >> 16) & 0xff,913			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,914			      pval >> 24, pval & 0xffff, NULL, 0, 1000);915	snd_usb_unlock_shutdown(chip);916	return err;917}918 919static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,920					     struct snd_ctl_elem_value *ucontrol)921{922	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);923	u8 oldval = (kcontrol->private_value >> 24) & 0xff;924	u8 newval = ucontrol->value.integer.value[0];925	int err;926 927	if (oldval == newval)928		return 0;929 930	kcontrol->private_value &= ~(0xff << 24);931	kcontrol->private_value |= (unsigned int)newval << 24;932	err = snd_ni_update_cur_val(list);933	return err < 0 ? err : 1;934}935 936static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {937	{938		.name = "Direct Thru Channel A",939		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),940	},941	{942		.name = "Direct Thru Channel B",943		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),944	},945	{946		.name = "Phono Input Channel A",947		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),948	},949	{950		.name = "Phono Input Channel B",951		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),952	},953};954 955static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {956	{957		.name = "Direct Thru Channel A",958		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),959	},960	{961		.name = "Direct Thru Channel B",962		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),963	},964	{965		.name = "Direct Thru Channel C",966		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),967	},968	{969		.name = "Direct Thru Channel D",970		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),971	},972	{973		.name = "Phono Input Channel A",974		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),975	},976	{977		.name = "Phono Input Channel B",978		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),979	},980	{981		.name = "Phono Input Channel C",982		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),983	},984	{985		.name = "Phono Input Channel D",986		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),987	},988};989 990static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,991					      const struct snd_kcontrol_new *kc,992					      unsigned int count)993{994	int i, err = 0;995	struct snd_kcontrol_new template = {996		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,997		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,998		.get = snd_nativeinstruments_control_get,999		.put = snd_nativeinstruments_control_put,1000		.info = snd_ctl_boolean_mono_info,1001	};1002 1003	for (i = 0; i < count; i++) {1004		struct usb_mixer_elem_list *list;1005 1006		template.name = kc[i].name;1007		template.private_value = kc[i].private_value;1008 1009		err = add_single_ctl_with_resume(mixer, 0,1010						 snd_ni_update_cur_val,1011						 &template, &list);1012		if (err < 0)1013			break;1014		snd_ni_control_init_val(mixer, list->kctl);1015	}1016 1017	return err;1018}1019 1020/* M-Audio FastTrack Ultra quirks */1021/* FTU Effect switch (also used by C400/C600) */1022static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,1023					struct snd_ctl_elem_info *uinfo)1024{1025	static const char *const texts[8] = {1026		"Room 1", "Room 2", "Room 3", "Hall 1",1027		"Hall 2", "Plate", "Delay", "Echo"1028	};1029 1030	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);1031}1032 1033static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,1034				   struct snd_kcontrol *kctl)1035{1036	struct usb_device *dev = mixer->chip->dev;1037	unsigned int pval = kctl->private_value;1038	int err;1039	unsigned char value[2];1040 1041	value[0] = 0x00;1042	value[1] = 0x00;1043 1044	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,1045			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,1046			      pval & 0xff00,1047			      snd_usb_ctrl_intf(mixer->hostif) | ((pval & 0xff) << 8),1048			      value, 2);1049	if (err < 0)1050		return err;1051 1052	kctl->private_value |= (unsigned int)value[0] << 24;1053	return 0;1054}1055 1056static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,1057					struct snd_ctl_elem_value *ucontrol)1058{1059	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;1060	return 0;1061}1062 1063static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)1064{1065	struct snd_usb_audio *chip = list->mixer->chip;1066	unsigned int pval = list->kctl->private_value;1067	unsigned char value[2];1068	int err;1069 1070	value[0] = pval >> 24;1071	value[1] = 0;1072 1073	err = snd_usb_lock_shutdown(chip);1074	if (err < 0)1075		return err;1076	err = snd_usb_ctl_msg(chip->dev,1077			      usb_sndctrlpipe(chip->dev, 0),1078			      UAC_SET_CUR,1079			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,1080			      pval & 0xff00,1081			      snd_usb_ctrl_intf(list->mixer->hostif) | ((pval & 0xff) << 8),1082			      value, 2);1083	snd_usb_unlock_shutdown(chip);1084	return err;1085}1086 1087static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,1088					struct snd_ctl_elem_value *ucontrol)1089{1090	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);1091	unsigned int pval = list->kctl->private_value;1092	int cur_val, err, new_val;1093 1094	cur_val = pval >> 24;1095	new_val = ucontrol->value.enumerated.item[0];1096	if (cur_val == new_val)1097		return 0;1098 1099	kctl->private_value &= ~(0xff << 24);1100	kctl->private_value |= new_val << 24;1101	err = snd_ftu_eff_switch_update(list);1102	return err < 0 ? err : 1;1103}1104 1105static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,1106	int validx, int bUnitID)1107{1108	static struct snd_kcontrol_new template = {1109		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,1110		.name = "Effect Program Switch",1111		.index = 0,1112		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,1113		.info = snd_ftu_eff_switch_info,1114		.get = snd_ftu_eff_switch_get,1115		.put = snd_ftu_eff_switch_put1116	};1117	struct usb_mixer_elem_list *list;1118	int err;1119 1120	err = add_single_ctl_with_resume(mixer, bUnitID,1121					 snd_ftu_eff_switch_update,1122					 &template, &list);1123	if (err < 0)1124		return err;1125	list->kctl->private_value = (validx << 8) | bUnitID;1126	snd_ftu_eff_switch_init(mixer, list->kctl);1127	return 0;1128}1129 1130/* Create volume controls for FTU devices*/1131static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)1132{1133	char name[64];1134	unsigned int control, cmask;1135	int in, out, err;1136 1137	const unsigned int id = 5;1138	const int val_type = USB_MIXER_S16;1139 1140	for (out = 0; out < 8; out++) {1141		control = out + 1;1142		for (in = 0; in < 8; in++) {1143			cmask = BIT(in);1144			snprintf(name, sizeof(name),1145				"AIn%d - Out%d Capture Volume",1146				in  + 1, out + 1);1147			err = snd_create_std_mono_ctl(mixer, id, control,1148							cmask, val_type, name,1149							&snd_usb_mixer_vol_tlv);1150			if (err < 0)1151				return err;1152		}1153		for (in = 8; in < 16; in++) {1154			cmask = BIT(in);1155			snprintf(name, sizeof(name),1156				"DIn%d - Out%d Playback Volume",1157				in - 7, out + 1);1158			err = snd_create_std_mono_ctl(mixer, id, control,1159							cmask, val_type, name,1160							&snd_usb_mixer_vol_tlv);1161			if (err < 0)1162				return err;1163		}1164	}1165 1166	return 0;1167}1168 1169/* This control needs a volume quirk, see mixer.c */1170static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)1171{1172	static const char name[] = "Effect Volume";1173	const unsigned int id = 6;1174	const int val_type = USB_MIXER_U8;1175	const unsigned int control = 2;1176	const unsigned int cmask = 0;1177 1178	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1179					name, snd_usb_mixer_vol_tlv);1180}1181 1182/* This control needs a volume quirk, see mixer.c */1183static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)1184{1185	static const char name[] = "Effect Duration";1186	const unsigned int id = 6;1187	const int val_type = USB_MIXER_S16;1188	const unsigned int control = 3;1189	const unsigned int cmask = 0;1190 1191	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1192					name, snd_usb_mixer_vol_tlv);1193}1194 1195/* This control needs a volume quirk, see mixer.c */1196static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)1197{1198	static const char name[] = "Effect Feedback Volume";1199	const unsigned int id = 6;1200	const int val_type = USB_MIXER_U8;1201	const unsigned int control = 4;1202	const unsigned int cmask = 0;1203 1204	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1205					name, NULL);1206}1207 1208static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)1209{1210	unsigned int cmask;1211	int err, ch;1212	char name[48];1213 1214	const unsigned int id = 7;1215	const int val_type = USB_MIXER_S16;1216	const unsigned int control = 7;1217 1218	for (ch = 0; ch < 4; ++ch) {1219		cmask = BIT(ch);1220		snprintf(name, sizeof(name),1221			"Effect Return %d Volume", ch + 1);1222		err = snd_create_std_mono_ctl(mixer, id, control,1223						cmask, val_type, name,1224						snd_usb_mixer_vol_tlv);1225		if (err < 0)1226			return err;1227	}1228 1229	return 0;1230}1231 1232static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)1233{1234	unsigned int  cmask;1235	int err, ch;1236	char name[48];1237 1238	const unsigned int id = 5;1239	const int val_type = USB_MIXER_S16;1240	const unsigned int control = 9;1241 1242	for (ch = 0; ch < 8; ++ch) {1243		cmask = BIT(ch);1244		snprintf(name, sizeof(name),1245			"Effect Send AIn%d Volume", ch + 1);1246		err = snd_create_std_mono_ctl(mixer, id, control, cmask,1247						val_type, name,1248						snd_usb_mixer_vol_tlv);1249		if (err < 0)1250			return err;1251	}1252	for (ch = 8; ch < 16; ++ch) {1253		cmask = BIT(ch);1254		snprintf(name, sizeof(name),1255			"Effect Send DIn%d Volume", ch - 7);1256		err = snd_create_std_mono_ctl(mixer, id, control, cmask,1257						val_type, name,1258						snd_usb_mixer_vol_tlv);1259		if (err < 0)1260			return err;1261	}1262	return 0;1263}1264 1265static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)1266{1267	int err;1268 1269	err = snd_ftu_create_volume_ctls(mixer);1270	if (err < 0)1271		return err;1272 1273	err = snd_ftu_create_effect_switch(mixer, 1, 6);1274	if (err < 0)1275		return err;1276 1277	err = snd_ftu_create_effect_volume_ctl(mixer);1278	if (err < 0)1279		return err;1280 1281	err = snd_ftu_create_effect_duration_ctl(mixer);1282	if (err < 0)1283		return err;1284 1285	err = snd_ftu_create_effect_feedback_ctl(mixer);1286	if (err < 0)1287		return err;1288 1289	err = snd_ftu_create_effect_return_ctls(mixer);1290	if (err < 0)1291		return err;1292 1293	err = snd_ftu_create_effect_send_ctls(mixer);1294	if (err < 0)1295		return err;1296 1297	return 0;1298}1299 1300void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,1301			       unsigned char samplerate_id)1302{1303	struct usb_mixer_interface *mixer;1304	struct usb_mixer_elem_info *cval;1305	int unitid = 12; /* SampleRate ExtensionUnit ID */1306 1307	list_for_each_entry(mixer, &chip->mixer_list, list) {1308		if (mixer->id_elems[unitid]) {1309			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);1310			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,1311						    cval->control << 8,1312						    samplerate_id);1313			snd_usb_mixer_notify_id(mixer, unitid);1314			break;1315		}1316	}1317}1318 1319/* M-Audio Fast Track C400/C600 */1320/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */1321static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)1322{1323	char name[64];1324	unsigned int cmask, offset;1325	int out, chan, err;1326	int num_outs = 0;1327	int num_ins = 0;1328 1329	const unsigned int id = 0x40;1330	const int val_type = USB_MIXER_S16;1331	const int control = 1;1332 1333	switch (mixer->chip->usb_id) {1334	case USB_ID(0x0763, 0x2030):1335		num_outs = 6;1336		num_ins = 4;1337		break;1338	case USB_ID(0x0763, 0x2031):1339		num_outs = 8;1340		num_ins = 6;1341		break;1342	}1343 1344	for (chan = 0; chan < num_outs + num_ins; chan++) {1345		for (out = 0; out < num_outs; out++) {1346			if (chan < num_outs) {1347				snprintf(name, sizeof(name),1348					"PCM%d-Out%d Playback Volume",1349					chan + 1, out + 1);1350			} else {1351				snprintf(name, sizeof(name),1352					"In%d-Out%d Playback Volume",1353					chan - num_outs + 1, out + 1);1354			}1355 1356			cmask = (out == 0) ? 0 : BIT(out - 1);1357			offset = chan * num_outs;1358			err = snd_create_std_mono_ctl_offset(mixer, id, control,1359						cmask, val_type, offset, name,1360						&snd_usb_mixer_vol_tlv);1361			if (err < 0)1362				return err;1363		}1364	}1365 1366	return 0;1367}1368 1369/* This control needs a volume quirk, see mixer.c */1370static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)1371{1372	static const char name[] = "Effect Volume";1373	const unsigned int id = 0x43;1374	const int val_type = USB_MIXER_U8;1375	const unsigned int control = 3;1376	const unsigned int cmask = 0;1377 1378	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1379					name, snd_usb_mixer_vol_tlv);1380}1381 1382/* This control needs a volume quirk, see mixer.c */1383static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)1384{1385	static const char name[] = "Effect Duration";1386	const unsigned int id = 0x43;1387	const int val_type = USB_MIXER_S16;1388	const unsigned int control = 4;1389	const unsigned int cmask = 0;1390 1391	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1392					name, snd_usb_mixer_vol_tlv);1393}1394 1395/* This control needs a volume quirk, see mixer.c */1396static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)1397{1398	static const char name[] = "Effect Feedback Volume";1399	const unsigned int id = 0x43;1400	const int val_type = USB_MIXER_U8;1401	const unsigned int control = 5;1402	const unsigned int cmask = 0;1403 1404	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,1405					name, NULL);1406}1407 1408static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)1409{1410	char name[64];1411	unsigned int cmask;1412	int chan, err;1413	int num_outs = 0;1414	int num_ins = 0;1415 1416	const unsigned int id = 0x42;1417	const int val_type = USB_MIXER_S16;1418	const int control = 1;1419 1420	switch (mixer->chip->usb_id) {1421	case USB_ID(0x0763, 0x2030):1422		num_outs = 6;1423		num_ins = 4;1424		break;1425	case USB_ID(0x0763, 0x2031):1426		num_outs = 8;1427		num_ins = 6;1428		break;1429	}1430 1431	for (chan = 0; chan < num_outs + num_ins; chan++) {1432		if (chan < num_outs) {1433			snprintf(name, sizeof(name),1434				"Effect Send DOut%d",1435				chan + 1);1436		} else {1437			snprintf(name, sizeof(name),1438				"Effect Send AIn%d",1439				chan - num_outs + 1);1440		}1441 1442		cmask = (chan == 0) ? 0 : BIT(chan - 1);1443		err = snd_create_std_mono_ctl(mixer, id, control,1444						cmask, val_type, name,1445						&snd_usb_mixer_vol_tlv);1446		if (err < 0)1447			return err;1448	}1449 1450	return 0;1451}1452 1453static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)1454{1455	char name[64];1456	unsigned int cmask;1457	int chan, err;1458	int num_outs = 0;1459	int offset = 0;1460 1461	const unsigned int id = 0x40;1462	const int val_type = USB_MIXER_S16;1463	const int control = 1;1464 1465	switch (mixer->chip->usb_id) {1466	case USB_ID(0x0763, 0x2030):1467		num_outs = 6;1468		offset = 0x3c;1469		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */1470		break;1471	case USB_ID(0x0763, 0x2031):1472		num_outs = 8;1473		offset = 0x70;1474		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */1475		break;1476	}1477 1478	for (chan = 0; chan < num_outs; chan++) {1479		snprintf(name, sizeof(name),1480			"Effect Return %d",1481			chan + 1);1482 1483		cmask = (chan == 0) ? 0 :1484			BIT(chan + (chan % 2) * num_outs - 1);1485		err = snd_create_std_mono_ctl_offset(mixer, id, control,1486						cmask, val_type, offset, name,1487						&snd_usb_mixer_vol_tlv);1488		if (err < 0)1489			return err;1490	}1491 1492	return 0;1493}1494 1495static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)1496{1497	int err;1498 1499	err = snd_c400_create_vol_ctls(mixer);1500	if (err < 0)1501		return err;1502 1503	err = snd_c400_create_effect_vol_ctls(mixer);1504	if (err < 0)1505		return err;1506 1507	err = snd_c400_create_effect_ret_vol_ctls(mixer);1508	if (err < 0)1509		return err;1510 1511	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);1512	if (err < 0)1513		return err;1514 1515	err = snd_c400_create_effect_volume_ctl(mixer);1516	if (err < 0)1517		return err;1518 1519	err = snd_c400_create_effect_duration_ctl(mixer);1520	if (err < 0)1521		return err;1522 1523	err = snd_c400_create_effect_feedback_ctl(mixer);1524	if (err < 0)1525		return err;1526 1527	return 0;1528}1529 1530/*1531 * The mixer units for Ebox-44 are corrupt, and even where they1532 * are valid they presents mono controls as L and R channels of1533 * stereo. So we provide a good mixer here.1534 */1535static const struct std_mono_table ebox44_table[] = {1536	{1537		.unitid = 4,1538		.control = 1,1539		.cmask = 0x0,1540		.val_type = USB_MIXER_INV_BOOLEAN,1541		.name = "Headphone Playback Switch"1542	},1543	{1544		.unitid = 4,1545		.control = 2,1546		.cmask = 0x1,1547		.val_type = USB_MIXER_S16,1548		.name = "Headphone A Mix Playback Volume"1549	},1550	{1551		.unitid = 4,1552		.control = 2,1553		.cmask = 0x2,1554		.val_type = USB_MIXER_S16,1555		.name = "Headphone B Mix Playback Volume"1556	},1557 1558	{1559		.unitid = 7,1560		.control = 1,1561		.cmask = 0x0,1562		.val_type = USB_MIXER_INV_BOOLEAN,1563		.name = "Output Playback Switch"1564	},1565	{1566		.unitid = 7,1567		.control = 2,1568		.cmask = 0x1,1569		.val_type = USB_MIXER_S16,1570		.name = "Output A Playback Volume"1571	},1572	{1573		.unitid = 7,1574		.control = 2,1575		.cmask = 0x2,1576		.val_type = USB_MIXER_S16,1577		.name = "Output B Playback Volume"1578	},1579 1580	{1581		.unitid = 10,1582		.control = 1,1583		.cmask = 0x0,1584		.val_type = USB_MIXER_INV_BOOLEAN,1585		.name = "Input Capture Switch"1586	},1587	{1588		.unitid = 10,1589		.control = 2,1590		.cmask = 0x1,1591		.val_type = USB_MIXER_S16,1592		.name = "Input A Capture Volume"1593	},1594	{1595		.unitid = 10,1596		.control = 2,1597		.cmask = 0x2,1598		.val_type = USB_MIXER_S16,1599		.name = "Input B Capture Volume"1600	},1601 1602	{}1603};1604 1605/* Audio Advantage Micro II findings:1606 *1607 * Mapping spdif AES bits to vendor register.bit:1608 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x001609 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x011610 * AES2: [0 0 0 0 0 0 0 0]1611 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request1612 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices1613 *1614 * power on values:1615 * r2: 0x101616 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set1617 *           just after it to 0xa0, presumably it disables/mutes some analog1618 *           parts when there is no audio.)1619 * r9: 0x281620 *1621 * Optical transmitter on/off:1622 * vendor register.bit: 9.11623 * 0 - on (0x28 register value)1624 * 1 - off (0x2a register value)1625 *1626 */1627static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,1628	struct snd_ctl_elem_info *uinfo)1629{1630	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;1631	uinfo->count = 1;1632	return 0;1633}1634 1635static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,1636	struct snd_ctl_elem_value *ucontrol)1637{1638	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);1639	struct snd_usb_audio *chip = list->mixer->chip;1640	int err;1641	struct usb_interface *iface;1642	struct usb_host_interface *alts;1643	unsigned int ep;1644	unsigned char data[3];1645	int rate;1646 1647	err = snd_usb_lock_shutdown(chip);1648	if (err < 0)1649		return err;1650 1651	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;1652	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;1653	ucontrol->value.iec958.status[2] = 0x00;1654 1655	/* use known values for that card: interface#1 altsetting#1 */1656	iface = usb_ifnum_to_if(chip->dev, 1);1657	if (!iface || iface->num_altsetting < 2) {1658		err = -EINVAL;1659		goto end;1660	}1661	alts = &iface->altsetting[1];1662	if (get_iface_desc(alts)->bNumEndpoints < 1) {1663		err = -EINVAL;1664		goto end;1665	}1666	ep = get_endpoint(alts, 0)->bEndpointAddress;1667 1668	err = snd_usb_ctl_msg(chip->dev,1669			usb_rcvctrlpipe(chip->dev, 0),1670			UAC_GET_CUR,1671			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,1672			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,1673			ep,1674			data,1675			sizeof(data));1676	if (err < 0)1677		goto end;1678 1679	rate = data[0] | (data[1] << 8) | (data[2] << 16);1680	ucontrol->value.iec958.status[3] = (rate == 48000) ?1681			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;1682 1683	err = 0;1684 end:1685	snd_usb_unlock_shutdown(chip);1686	return err;1687}1688 1689static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)1690{1691	struct snd_usb_audio *chip = list->mixer->chip;1692	unsigned int pval = list->kctl->private_value;1693	u8 reg;1694	int err;1695 1696	err = snd_usb_lock_shutdown(chip);1697	if (err < 0)1698		return err;1699 1700	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);1701	err = snd_usb_ctl_msg(chip->dev,1702			usb_sndctrlpipe(chip->dev, 0),1703			UAC_SET_CUR,1704			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,1705			reg,1706			2,1707			NULL,1708			0);1709	if (err < 0)1710		goto end;1711 1712	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;1713	reg |= (pval >> 12) & 0x0f;1714	err = snd_usb_ctl_msg(chip->dev,1715			usb_sndctrlpipe(chip->dev, 0),1716			UAC_SET_CUR,1717			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,1718			reg,1719			3,1720			NULL,1721			0);1722	if (err < 0)1723		goto end;1724 1725 end:1726	snd_usb_unlock_shutdown(chip);1727	return err;1728}1729 1730static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,1731	struct snd_ctl_elem_value *ucontrol)1732{1733	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);1734	unsigned int pval, pval_old;1735	int err;1736 1737	pval = pval_old = kcontrol->private_value;1738	pval &= 0xfffff0f0;1739	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;1740	pval |= (ucontrol->value.iec958.status[0] & 0x0f);1741 1742	pval &= 0xffff0fff;1743	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;1744 1745	/* The frequency bits in AES3 cannot be set via register access. */1746 1747	/* Silently ignore any bits from the request that cannot be set. */1748 1749	if (pval == pval_old)1750		return 0;1751 1752	kcontrol->private_value = pval;1753	err = snd_microii_spdif_default_update(list);1754	return err < 0 ? err : 1;1755}1756 1757static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,1758	struct snd_ctl_elem_value *ucontrol)1759{1760	ucontrol->value.iec958.status[0] = 0x0f;1761	ucontrol->value.iec958.status[1] = 0xff;1762	ucontrol->value.iec958.status[2] = 0x00;1763	ucontrol->value.iec958.status[3] = 0x00;1764 1765	return 0;1766}1767 1768static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,1769	struct snd_ctl_elem_value *ucontrol)1770{1771	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);1772 1773	return 0;1774}1775 1776static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)1777{1778	struct snd_usb_audio *chip = list->mixer->chip;1779	u8 reg = list->kctl->private_value;1780	int err;1781 1782	err = snd_usb_lock_shutdown(chip);1783	if (err < 0)1784		return err;1785 1786	err = snd_usb_ctl_msg(chip->dev,1787			usb_sndctrlpipe(chip->dev, 0),1788			UAC_SET_CUR,1789			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,1790			reg,1791			9,1792			NULL,1793			0);1794 1795	snd_usb_unlock_shutdown(chip);1796	return err;1797}1798 1799static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,1800	struct snd_ctl_elem_value *ucontrol)1801{1802	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);1803	u8 reg;1804	int err;1805 1806	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;1807	if (reg != list->kctl->private_value)1808		return 0;1809 1810	kcontrol->private_value = reg;1811	err = snd_microii_spdif_switch_update(list);1812	return err < 0 ? err : 1;1813}1814 1815static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {1816	{1817		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,1818		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),1819		.info =     snd_microii_spdif_info,1820		.get =      snd_microii_spdif_default_get,1821		.put =      snd_microii_spdif_default_put,1822		.private_value = 0x00000100UL,/* reset value */1823	},1824	{1825		.access =   SNDRV_CTL_ELEM_ACCESS_READ,1826		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,1827		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),1828		.info =     snd_microii_spdif_info,1829		.get =      snd_microii_spdif_mask_get,1830	},1831	{1832		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,1833		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),1834		.info =     snd_ctl_boolean_mono_info,1835		.get =      snd_microii_spdif_switch_get,1836		.put =      snd_microii_spdif_switch_put,1837		.private_value = 0x00000028UL,/* reset value */1838	}1839};1840 1841static int snd_microii_controls_create(struct usb_mixer_interface *mixer)1842{1843	int err, i;1844	static const usb_mixer_elem_resume_func_t resume_funcs[] = {1845		snd_microii_spdif_default_update,1846		NULL,1847		snd_microii_spdif_switch_update1848	};1849 1850	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {1851		err = add_single_ctl_with_resume(mixer, 0,1852						 resume_funcs[i],1853						 &snd_microii_mixer_spdif[i],1854						 NULL);1855		if (err < 0)1856			return err;1857	}1858 1859	return 0;1860}1861 1862/* Creative Sound Blaster E1 */1863 1864static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,1865					  struct snd_ctl_elem_value *ucontrol)1866{1867	ucontrol->value.integer.value[0] = kcontrol->private_value;1868	return 0;1869}1870 1871static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,1872					     unsigned char state)1873{1874	struct snd_usb_audio *chip = mixer->chip;1875	int err;1876	unsigned char buff[2];1877 1878	buff[0] = 0x02;1879	buff[1] = state ? 0x02 : 0x00;1880 1881	err = snd_usb_lock_shutdown(chip);1882	if (err < 0)1883		return err;1884	err = snd_usb_ctl_msg(chip->dev,1885			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,1886			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,1887			0x0202, 3, buff, 2);1888	snd_usb_unlock_shutdown(chip);1889	return err;1890}1891 1892static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,1893					  struct snd_ctl_elem_value *ucontrol)1894{1895	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);1896	unsigned char value = !!ucontrol->value.integer.value[0];1897	int err;1898 1899	if (kcontrol->private_value == value)1900		return 0;1901	kcontrol->private_value = value;1902	err = snd_soundblaster_e1_switch_update(list->mixer, value);1903	return err < 0 ? err : 1;1904}1905 1906static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)1907{1908	return snd_soundblaster_e1_switch_update(list->mixer,1909						 list->kctl->private_value);1910}1911 1912static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,1913					   struct snd_ctl_elem_info *uinfo)1914{1915	static const char *const texts[2] = {1916		"Mic", "Aux"1917	};1918 1919	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);1920}1921 1922static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {1923	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,1924	.name = "Input Source",1925	.info = snd_soundblaster_e1_switch_info,1926	.get = snd_soundblaster_e1_switch_get,1927	.put = snd_soundblaster_e1_switch_put,1928	.private_value = 0,1929};1930 1931static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)1932{1933	return add_single_ctl_with_resume(mixer, 0,1934					  snd_soundblaster_e1_switch_resume,1935					  &snd_soundblaster_e1_input_switch,1936					  NULL);1937}1938 1939/*1940 * Dell WD15 dock jack detection1941 *1942 * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec1943 * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack1944 * detection. Instead, jack detection works by sending HD Audio commands over1945 * vendor-type USB messages.1946 */1947 1948#define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D))1949 1950#define REALTEK_HDA_VALUE 0x00381951 1952#define REALTEK_HDA_SET		621953#define REALTEK_MANUAL_MODE	721954#define REALTEK_HDA_GET_OUT	881955#define REALTEK_HDA_GET_IN	891956 1957#define REALTEK_AUDIO_FUNCTION_GROUP	0x011958#define REALTEK_LINE1			0x1a1959#define REALTEK_VENDOR_REGISTERS	0x201960#define REALTEK_HP_OUT			0x211961 1962#define REALTEK_CBJ_CTRL2 0x501963 1964#define REALTEK_JACK_INTERRUPT_NODE 51965 1966#define REALTEK_MIC_FLAG 0x1001967 1968static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)1969{1970	struct usb_device *dev = chip->dev;1971	__be32 buf = cpu_to_be32(cmd);1972 1973	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,1974			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,1975			       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));1976}1977 1978static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)1979{1980	struct usb_device *dev = chip->dev;1981	int err;1982	__be32 buf = cpu_to_be32(cmd);1983 1984	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,1985			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,1986			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));1987	if (err < 0)1988		return err;1989	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,1990			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,1991			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));1992	if (err < 0)1993		return err;1994 1995	*value = be32_to_cpu(buf);1996	return 0;1997}1998 1999static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol,2000				     struct snd_ctl_elem_value *ucontrol)2001{2002	struct usb_mixer_elem_info *cval = kcontrol->private_data;2003	struct snd_usb_audio *chip = cval->head.mixer->chip;2004	u32 pv = kcontrol->private_value;2005	u32 node_id = pv & 0xff;2006	u32 sense;2007	u32 cbj_ctrl2;2008	bool presence;2009	int err;2010 2011	err = snd_usb_lock_shutdown(chip);2012	if (err < 0)2013		return err;2014	err = realtek_hda_get(chip,2015			      HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0),2016			      &sense);2017	if (err < 0)2018		goto err;2019	if (pv & REALTEK_MIC_FLAG) {2020		err = realtek_hda_set(chip,2021				      HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX,2022						   REALTEK_VENDOR_REGISTERS,2023						   REALTEK_CBJ_CTRL2));2024		if (err < 0)2025			goto err;2026		err = realtek_hda_get(chip,2027				      HDA_VERB_CMD(AC_VERB_GET_PROC_COEF,2028						   REALTEK_VENDOR_REGISTERS, 0),2029				      &cbj_ctrl2);2030		if (err < 0)2031			goto err;2032	}2033err:2034	snd_usb_unlock_shutdown(chip);2035	if (err < 0)2036		return err;2037 2038	presence = sense & AC_PINSENSE_PRESENCE;2039	if (pv & REALTEK_MIC_FLAG)2040		presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070;2041	ucontrol->value.integer.value[0] = presence;2042	return 0;2043}2044 2045static const struct snd_kcontrol_new realtek_connector_ctl_ro = {2046	.iface = SNDRV_CTL_ELEM_IFACE_CARD,2047	.name = "", /* will be filled later manually */2048	.access = SNDRV_CTL_ELEM_ACCESS_READ,2049	.info = snd_ctl_boolean_mono_info,2050	.get = realtek_ctl_connector_get,2051};2052 2053static int realtek_resume_jack(struct usb_mixer_elem_list *list)2054{2055	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,2056		       &list->kctl->id);2057	return 0;2058}2059 2060static int realtek_add_jack(struct usb_mixer_interface *mixer,2061			    char *name, u32 val)2062{2063	struct usb_mixer_elem_info *cval;2064	struct snd_kcontrol *kctl;2065 2066	cval = kzalloc(sizeof(*cval), GFP_KERNEL);2067	if (!cval)2068		return -ENOMEM;2069	snd_usb_mixer_elem_init_std(&cval->head, mixer,2070				    REALTEK_JACK_INTERRUPT_NODE);2071	cval->head.resume = realtek_resume_jack;2072	cval->val_type = USB_MIXER_BOOLEAN;2073	cval->channels = 1;2074	cval->min = 0;2075	cval->max = 1;2076	kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval);2077	if (!kctl) {2078		kfree(cval);2079		return -ENOMEM;2080	}2081	kctl->private_value = val;2082	strscpy(kctl->id.name, name, sizeof(kctl->id.name));2083	kctl->private_free = snd_usb_mixer_elem_free;2084	return snd_usb_mixer_add_control(&cval->head, kctl);2085}2086 2087static int dell_dock_mixer_create(struct usb_mixer_interface *mixer)2088{2089	int err;2090	struct usb_device *dev = mixer->chip->dev;2091 2092	/* Power down the audio codec to avoid loud pops in the next step. */2093	realtek_hda_set(mixer->chip,2094			HDA_VERB_CMD(AC_VERB_SET_POWER_STATE,2095				     REALTEK_AUDIO_FUNCTION_GROUP,2096				     AC_PWRST_D3));2097 2098	/*2099	 * Turn off 'manual mode' in case it was enabled. This removes the need2100	 * to power cycle the dock after it was attached to a Windows machine.2101	 */2102	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_MANUAL_MODE,2103			USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,2104			0, 0, NULL, 0);2105 2106	err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1);2107	if (err < 0)2108		return err;2109	err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT);2110	if (err < 0)2111		return err;2112	err = realtek_add_jack(mixer, "Headset Mic Jack",2113			       REALTEK_HP_OUT | REALTEK_MIC_FLAG);2114	if (err < 0)2115		return err;2116	return 0;2117}2118 2119static void dell_dock_init_vol(struct usb_mixer_interface *mixer, int ch, int id)2120{2121	struct snd_usb_audio *chip = mixer->chip;2122	u16 buf = 0;2123 2124	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,2125			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,2126			(UAC_FU_VOLUME << 8) | ch,2127			snd_usb_ctrl_intf(mixer->hostif) | (id << 8),2128			&buf, 2);2129}2130 2131static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)2132{2133	/* fix to 0dB playback volumes */2134	dell_dock_init_vol(mixer, 1, 16);2135	dell_dock_init_vol(mixer, 2, 16);2136	dell_dock_init_vol(mixer, 1, 19);2137	dell_dock_init_vol(mixer, 2, 19);2138	return 0;2139}2140 2141/* RME Class Compliant device quirks */2142 2143#define SND_RME_GET_STATUS1			232144#define SND_RME_GET_CURRENT_FREQ		172145#define SND_RME_CLK_SYSTEM_SHIFT		162146#define SND_RME_CLK_SYSTEM_MASK			0x1f2147#define SND_RME_CLK_AES_SHIFT			82148#define SND_RME_CLK_SPDIF_SHIFT			122149#define SND_RME_CLK_AES_SPDIF_MASK		0xf2150#define SND_RME_CLK_SYNC_SHIFT			62151#define SND_RME_CLK_SYNC_MASK			0x32152#define SND_RME_CLK_FREQMUL_SHIFT		182153#define SND_RME_CLK_FREQMUL_MASK		0x72154#define SND_RME_CLK_SYSTEM(x) \2155	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)2156#define SND_RME_CLK_AES(x) \2157	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)2158#define SND_RME_CLK_SPDIF(x) \2159	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)2160#define SND_RME_CLK_SYNC(x) \2161	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)2162#define SND_RME_CLK_FREQMUL(x) \2163	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)2164#define SND_RME_CLK_AES_LOCK			0x12165#define SND_RME_CLK_AES_SYNC			0x42166#define SND_RME_CLK_SPDIF_LOCK			0x22167#define SND_RME_CLK_SPDIF_SYNC			0x82168#define SND_RME_SPDIF_IF_SHIFT			42169#define SND_RME_SPDIF_FORMAT_SHIFT		52170#define SND_RME_BINARY_MASK			0x12171#define SND_RME_SPDIF_IF(x) \2172	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)2173#define SND_RME_SPDIF_FORMAT(x) \2174	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)2175 2176static const u32 snd_rme_rate_table[] = {2177	32000, 44100, 48000, 50000,2178	64000, 88200, 96000, 100000,2179	128000, 176400, 192000, 200000,2180	256000,	352800, 384000, 400000,2181	512000, 705600, 768000, 8000002182};2183/* maximum number of items for AES and S/PDIF rates for above table */2184#define SND_RME_RATE_IDX_AES_SPDIF_NUM		122185 2186enum snd_rme_domain {2187	SND_RME_DOMAIN_SYSTEM,2188	SND_RME_DOMAIN_AES,2189	SND_RME_DOMAIN_SPDIF2190};2191 2192enum snd_rme_clock_status {2193	SND_RME_CLOCK_NOLOCK,2194	SND_RME_CLOCK_LOCK,2195	SND_RME_CLOCK_SYNC2196};2197 2198static int snd_rme_read_value(struct snd_usb_audio *chip,2199			      unsigned int item,2200			      u32 *value)2201{2202	struct usb_device *dev = chip->dev;2203	int err;2204 2205	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),2206			      item,2207			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,2208			      0, 0,2209			      value, sizeof(*value));2210	if (err < 0)2211		dev_err(&dev->dev,2212			"unable to issue vendor read request %d (ret = %d)",2213			item, err);2214	return err;2215}2216 2217static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,2218			       u32 *status1)2219{2220	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);2221	struct snd_usb_audio *chip = list->mixer->chip;2222	int err;2223 2224	err = snd_usb_lock_shutdown(chip);2225	if (err < 0)2226		return err;2227	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);2228	snd_usb_unlock_shutdown(chip);2229	return err;2230}2231 2232static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,2233			    struct snd_ctl_elem_value *ucontrol)2234{2235	u32 status1;2236	u32 rate = 0;2237	int idx;2238	int err;2239 2240	err = snd_rme_get_status1(kcontrol, &status1);2241	if (err < 0)2242		return err;2243	switch (kcontrol->private_value) {2244	case SND_RME_DOMAIN_SYSTEM:2245		idx = SND_RME_CLK_SYSTEM(status1);2246		if (idx < ARRAY_SIZE(snd_rme_rate_table))2247			rate = snd_rme_rate_table[idx];2248		break;2249	case SND_RME_DOMAIN_AES:2250		idx = SND_RME_CLK_AES(status1);2251		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)2252			rate = snd_rme_rate_table[idx];2253		break;2254	case SND_RME_DOMAIN_SPDIF:2255		idx = SND_RME_CLK_SPDIF(status1);2256		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)2257			rate = snd_rme_rate_table[idx];2258		break;2259	default:2260		return -EINVAL;2261	}2262	ucontrol->value.integer.value[0] = rate;2263	return 0;2264}2265 2266static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,2267				  struct snd_ctl_elem_value *ucontrol)2268{2269	u32 status1;2270	int idx = SND_RME_CLOCK_NOLOCK;2271	int err;2272 2273	err = snd_rme_get_status1(kcontrol, &status1);2274	if (err < 0)2275		return err;2276	switch (kcontrol->private_value) {2277	case SND_RME_DOMAIN_AES:  /* AES */2278		if (status1 & SND_RME_CLK_AES_SYNC)2279			idx = SND_RME_CLOCK_SYNC;2280		else if (status1 & SND_RME_CLK_AES_LOCK)2281			idx = SND_RME_CLOCK_LOCK;2282		break;2283	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */2284		if (status1 & SND_RME_CLK_SPDIF_SYNC)2285			idx = SND_RME_CLOCK_SYNC;2286		else if (status1 & SND_RME_CLK_SPDIF_LOCK)2287			idx = SND_RME_CLOCK_LOCK;2288		break;2289	default:2290		return -EINVAL;2291	}2292	ucontrol->value.enumerated.item[0] = idx;2293	return 0;2294}2295 2296static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,2297				struct snd_ctl_elem_value *ucontrol)2298{2299	u32 status1;2300	int err;2301 2302	err = snd_rme_get_status1(kcontrol, &status1);2303	if (err < 0)2304		return err;2305	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);2306	return 0;2307}2308 2309static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,2310				    struct snd_ctl_elem_value *ucontrol)2311{2312	u32 status1;2313	int err;2314 2315	err = snd_rme_get_status1(kcontrol, &status1);2316	if (err < 0)2317		return err;2318	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);2319	return 0;2320}2321 2322static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,2323				   struct snd_ctl_elem_value *ucontrol)2324{2325	u32 status1;2326	int err;2327 2328	err = snd_rme_get_status1(kcontrol, &status1);2329	if (err < 0)2330		return err;2331	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);2332	return 0;2333}2334 2335static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,2336				    struct snd_ctl_elem_value *ucontrol)2337{2338	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);2339	struct snd_usb_audio *chip = list->mixer->chip;2340	u32 status1;2341	const u64 num = 104857600000000ULL;2342	u32 den;2343	unsigned int freq;2344	int err;2345 2346	err = snd_usb_lock_shutdown(chip);2347	if (err < 0)2348		return err;2349	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);2350	if (err < 0)2351		goto end;2352	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);2353	if (err < 0)2354		goto end;2355	freq = (den == 0) ? 0 : div64_u64(num, den);2356	freq <<= SND_RME_CLK_FREQMUL(status1);2357	ucontrol->value.integer.value[0] = freq;2358 2359end:2360	snd_usb_unlock_shutdown(chip);2361	return err;2362}2363 2364static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,2365			     struct snd_ctl_elem_info *uinfo)2366{2367	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;2368	uinfo->count = 1;2369	switch (kcontrol->private_value) {2370	case SND_RME_DOMAIN_SYSTEM:2371		uinfo->value.integer.min = 32000;2372		uinfo->value.integer.max = 800000;2373		break;2374	case SND_RME_DOMAIN_AES:2375	case SND_RME_DOMAIN_SPDIF:2376	default:2377		uinfo->value.integer.min = 0;2378		uinfo->value.integer.max = 200000;2379	}2380	uinfo->value.integer.step = 0;2381	return 0;2382}2383 2384static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,2385				   struct snd_ctl_elem_info *uinfo)2386{2387	static const char *const sync_states[] = {2388		"No Lock", "Lock", "Sync"2389	};2390 2391	return snd_ctl_enum_info(uinfo, 1,2392				 ARRAY_SIZE(sync_states), sync_states);2393}2394 2395static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,2396				 struct snd_ctl_elem_info *uinfo)2397{2398	static const char *const spdif_if[] = {2399		"Coaxial", "Optical"2400	};2401 2402	return snd_ctl_enum_info(uinfo, 1,2403				 ARRAY_SIZE(spdif_if), spdif_if);2404}2405 2406static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,2407				     struct snd_ctl_elem_info *uinfo)2408{2409	static const char *const optical_type[] = {2410		"Consumer", "Professional"2411	};2412 2413	return snd_ctl_enum_info(uinfo, 1,2414				 ARRAY_SIZE(optical_type), optical_type);2415}2416 2417static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,2418				    struct snd_ctl_elem_info *uinfo)2419{2420	static const char *const sync_sources[] = {2421		"Internal", "AES", "SPDIF", "Internal"2422	};2423 2424	return snd_ctl_enum_info(uinfo, 1,2425				 ARRAY_SIZE(sync_sources), sync_sources);2426}2427 2428static const struct snd_kcontrol_new snd_rme_controls[] = {2429	{2430		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2431		.name = "AES Rate",2432		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2433		.info = snd_rme_rate_info,2434		.get = snd_rme_rate_get,2435		.private_value = SND_RME_DOMAIN_AES2436	},2437	{2438		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2439		.name = "AES Sync",2440		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2441		.info = snd_rme_sync_state_info,2442		.get = snd_rme_sync_state_get,2443		.private_value = SND_RME_DOMAIN_AES2444	},2445	{2446		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2447		.name = "SPDIF Rate",2448		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2449		.info = snd_rme_rate_info,2450		.get = snd_rme_rate_get,2451		.private_value = SND_RME_DOMAIN_SPDIF2452	},2453	{2454		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2455		.name = "SPDIF Sync",2456		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2457		.info = snd_rme_sync_state_info,2458		.get = snd_rme_sync_state_get,2459		.private_value = SND_RME_DOMAIN_SPDIF2460	},2461	{2462		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2463		.name = "SPDIF Interface",2464		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2465		.info = snd_rme_spdif_if_info,2466		.get = snd_rme_spdif_if_get,2467	},2468	{2469		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2470		.name = "SPDIF Format",2471		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2472		.info = snd_rme_spdif_format_info,2473		.get = snd_rme_spdif_format_get,2474	},2475	{2476		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2477		.name = "Sync Source",2478		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2479		.info = snd_rme_sync_source_info,2480		.get = snd_rme_sync_source_get2481	},2482	{2483		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2484		.name = "System Rate",2485		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2486		.info = snd_rme_rate_info,2487		.get = snd_rme_rate_get,2488		.private_value = SND_RME_DOMAIN_SYSTEM2489	},2490	{2491		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2492		.name = "Current Frequency",2493		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,2494		.info = snd_rme_rate_info,2495		.get = snd_rme_current_freq_get2496	}2497};2498 2499static int snd_rme_controls_create(struct usb_mixer_interface *mixer)2500{2501	int err, i;2502 2503	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {2504		err = add_single_ctl_with_resume(mixer, 0,2505						 NULL,2506						 &snd_rme_controls[i],2507						 NULL);2508		if (err < 0)2509			return err;2510	}2511 2512	return 0;2513}2514 2515/*2516 * RME Babyface Pro (FS)2517 *2518 * These devices exposes a couple of DSP functions via request to EP0.2519 * Switches are available via control registers, while routing is controlled2520 * by controlling the volume on each possible crossing point.2521 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with2522 * 0dB being at dec. 32768.2523 */2524enum {2525	SND_BBFPRO_CTL_REG1 = 0,2526	SND_BBFPRO_CTL_REG22527};2528 2529#define SND_BBFPRO_CTL_REG_MASK 12530#define SND_BBFPRO_CTL_IDX_MASK 0xff2531#define SND_BBFPRO_CTL_IDX_SHIFT 12532#define SND_BBFPRO_CTL_VAL_MASK 12533#define SND_BBFPRO_CTL_VAL_SHIFT 92534#define SND_BBFPRO_CTL_REG1_CLK_MASTER 02535#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 12536#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 72537#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 82538#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 102539#define SND_BBFPRO_CTL_REG2_48V_AN1 02540#define SND_BBFPRO_CTL_REG2_48V_AN2 12541#define SND_BBFPRO_CTL_REG2_SENS_IN3 22542#define SND_BBFPRO_CTL_REG2_SENS_IN4 32543#define SND_BBFPRO_CTL_REG2_PAD_AN1 42544#define SND_BBFPRO_CTL_REG2_PAD_AN2 52545 2546#define SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET 9922547#define SND_BBFPRO_MIXER_IDX_MASK 0x3ff2548#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff2549#define SND_BBFPRO_MIXER_VAL_SHIFT 92550#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf2551#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB2552 2553#define SND_BBFPRO_GAIN_CHANNEL_MASK 0x032554#define SND_BBFPRO_GAIN_CHANNEL_SHIFT 72555#define SND_BBFPRO_GAIN_VAL_MASK 0x7f2556#define SND_BBFPRO_GAIN_VAL_MIN 02557#define SND_BBFPRO_GAIN_VAL_MIC_MAX 652558#define SND_BBFPRO_GAIN_VAL_LINE_MAX 18 // 9db in 0.5db incraments2559 2560#define SND_BBFPRO_USBREQ_CTL_REG1 0x102561#define SND_BBFPRO_USBREQ_CTL_REG2 0x172562#define SND_BBFPRO_USBREQ_GAIN 0x1a2563#define SND_BBFPRO_USBREQ_MIXER 0x122564 2565static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,2566				 u8 index, u8 value)2567{2568	int err;2569	u16 usb_req, usb_idx, usb_val;2570	struct snd_usb_audio *chip = mixer->chip;2571 2572	err = snd_usb_lock_shutdown(chip);2573	if (err < 0)2574		return err;2575 2576	if (reg == SND_BBFPRO_CTL_REG1) {2577		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;2578		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {2579			usb_idx = 3;2580			usb_val = value ? 3 : 0;2581		} else {2582			usb_idx = BIT(index);2583			usb_val = value ? usb_idx : 0;2584		}2585	} else {2586		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;2587		usb_idx = BIT(index);2588		usb_val = value ? usb_idx : 0;2589	}2590 2591	err = snd_usb_ctl_msg(chip->dev,2592			      usb_sndctrlpipe(chip->dev, 0), usb_req,2593			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,2594			      usb_val, usb_idx, NULL, 0);2595 2596	snd_usb_unlock_shutdown(chip);2597	return err;2598}2599 2600static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,2601			      struct snd_ctl_elem_value *ucontrol)2602{2603	u8 reg, idx, val;2604	int pv;2605 2606	pv = kcontrol->private_value;2607	reg = pv & SND_BBFPRO_CTL_REG_MASK;2608	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;2609	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;2610 2611	if ((reg == SND_BBFPRO_CTL_REG1 &&2612	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||2613	    (reg == SND_BBFPRO_CTL_REG2 &&2614	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||2615	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {2616		ucontrol->value.enumerated.item[0] = val;2617	} else {2618		ucontrol->value.integer.value[0] = val;2619	}2620	return 0;2621}2622 2623static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,2624			       struct snd_ctl_elem_info *uinfo)2625{2626	u8 reg, idx;2627	int pv;2628 2629	pv = kcontrol->private_value;2630	reg = pv & SND_BBFPRO_CTL_REG_MASK;2631	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;2632 2633	if (reg == SND_BBFPRO_CTL_REG1 &&2634	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {2635		static const char * const texts[2] = {2636			"AutoSync",2637			"Internal"2638		};2639		return snd_ctl_enum_info(uinfo, 1, 2, texts);2640	} else if (reg == SND_BBFPRO_CTL_REG2 &&2641		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||2642		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {2643		static const char * const texts[2] = {2644			"-10dBV",2645			"+4dBu"2646		};2647		return snd_ctl_enum_info(uinfo, 1, 2, texts);2648	}2649 2650	uinfo->count = 1;2651	uinfo->value.integer.min = 0;2652	uinfo->value.integer.max = 1;2653	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;2654	return 0;2655}2656 2657static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,2658			      struct snd_ctl_elem_value *ucontrol)2659{2660	int err;2661	u8 reg, idx;2662	int old_value, pv, val;2663 2664	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);2665	struct usb_mixer_interface *mixer = list->mixer;2666 2667	pv = kcontrol->private_value;2668	reg = pv & SND_BBFPRO_CTL_REG_MASK;2669	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;2670	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;2671 2672	if ((reg == SND_BBFPRO_CTL_REG1 &&2673	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||2674	    (reg == SND_BBFPRO_CTL_REG2 &&2675	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||2676	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {2677		val = ucontrol->value.enumerated.item[0];2678	} else {2679		val = ucontrol->value.integer.value[0];2680	}2681 2682	if (val > 1)2683		return -EINVAL;2684 2685	if (val == old_value)2686		return 0;2687 2688	kcontrol->private_value = reg2689		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)2690		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);2691 2692	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);2693	return err < 0 ? err : 1;2694}2695 2696static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)2697{2698	u8 reg, idx;2699	int value, pv;2700 2701	pv = list->kctl->private_value;2702	reg = pv & SND_BBFPRO_CTL_REG_MASK;2703	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;2704	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;2705 2706	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);2707}2708 2709static int snd_bbfpro_gain_update(struct usb_mixer_interface *mixer,2710				  u8 channel, u8 gain)2711{2712	int err;2713	struct snd_usb_audio *chip = mixer->chip;2714 2715	if (channel < 2) {2716		// XLR preamp: 3-bit fine, 5-bit coarse; special case >602717		if (gain < 60)2718			gain = ((gain % 3) << 5) | (gain / 3);2719		else2720			gain = ((gain % 6) << 5) | (60 / 3);2721	}2722 2723	err = snd_usb_lock_shutdown(chip);2724	if (err < 0)2725		return err;2726 2727	err = snd_usb_ctl_msg(chip->dev,2728			      usb_sndctrlpipe(chip->dev, 0),2729			      SND_BBFPRO_USBREQ_GAIN,2730			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,2731			      gain, channel, NULL, 0);2732 2733	snd_usb_unlock_shutdown(chip);2734	return err;2735}2736 2737static int snd_bbfpro_gain_get(struct snd_kcontrol *kcontrol,2738			       struct snd_ctl_elem_value *ucontrol)2739{2740	int value = kcontrol->private_value & SND_BBFPRO_GAIN_VAL_MASK;2741 2742	ucontrol->value.integer.value[0] = value;2743	return 0;2744}2745 2746static int snd_bbfpro_gain_info(struct snd_kcontrol *kcontrol,2747				struct snd_ctl_elem_info *uinfo)2748{2749	int pv, channel;2750 2751	pv = kcontrol->private_value;2752	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &2753		SND_BBFPRO_GAIN_CHANNEL_MASK;2754 2755	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;2756	uinfo->count = 1;2757	uinfo->value.integer.min = SND_BBFPRO_GAIN_VAL_MIN;2758 2759	if (channel < 2)2760		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_MIC_MAX;2761	else2762		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_LINE_MAX;2763 2764	return 0;2765}2766 2767static int snd_bbfpro_gain_put(struct snd_kcontrol *kcontrol,2768			       struct snd_ctl_elem_value *ucontrol)2769{2770	int pv, channel, old_value, value, err;2771 2772	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);2773	struct usb_mixer_interface *mixer = list->mixer;2774 2775	pv = kcontrol->private_value;2776	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &2777		SND_BBFPRO_GAIN_CHANNEL_MASK;2778	old_value = pv & SND_BBFPRO_GAIN_VAL_MASK;2779	value = ucontrol->value.integer.value[0];2780 2781	if (value < SND_BBFPRO_GAIN_VAL_MIN)2782		return -EINVAL;2783 2784	if (channel < 2) {2785		if (value > SND_BBFPRO_GAIN_VAL_MIC_MAX)2786			return -EINVAL;2787	} else {2788		if (value > SND_BBFPRO_GAIN_VAL_LINE_MAX)2789			return -EINVAL;2790	}2791 2792	if (value == old_value)2793		return 0;2794 2795	err = snd_bbfpro_gain_update(mixer, channel, value);2796	if (err < 0)2797		return err;2798 2799	kcontrol->private_value =2800		(channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT) | value;2801	return 1;2802}2803 2804static int snd_bbfpro_gain_resume(struct usb_mixer_elem_list *list)2805{2806	int pv, channel, value;2807	struct snd_kcontrol *kctl = list->kctl;2808 2809	pv = kctl->private_value;2810	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &2811		SND_BBFPRO_GAIN_CHANNEL_MASK;2812	value = pv & SND_BBFPRO_GAIN_VAL_MASK;2813 2814	return snd_bbfpro_gain_update(list->mixer, channel, value);2815}2816 2817static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,2818				 u32 value)2819{2820	struct snd_usb_audio *chip = mixer->chip;2821	int err;2822	u16 idx;2823	u16 usb_idx, usb_val;2824	u32 v;2825 2826	err = snd_usb_lock_shutdown(chip);2827	if (err < 0)2828		return err;2829 2830	idx = index & SND_BBFPRO_MIXER_IDX_MASK;2831	// 18 bit linear volume, split so 2 bits end up in index.2832	v = value & SND_BBFPRO_MIXER_VAL_MASK;2833	usb_idx = idx | (v & 0x3) << 14;2834	usb_val = (v >> 2) & 0xffff;2835 2836	err = snd_usb_ctl_msg(chip->dev,2837			      usb_sndctrlpipe(chip->dev, 0),2838			      SND_BBFPRO_USBREQ_MIXER,2839			      USB_DIR_OUT | USB_TYPE_VENDOR |2840			      USB_RECIP_DEVICE,2841			      usb_val, usb_idx, NULL, 0);2842 2843	snd_usb_unlock_shutdown(chip);2844	return err;2845}2846 2847static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,2848			      struct snd_ctl_elem_value *ucontrol)2849{2850	ucontrol->value.integer.value[0] =2851		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;2852	return 0;2853}2854 2855static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,2856			       struct snd_ctl_elem_info *uinfo)2857{2858	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;2859	uinfo->count = 1;2860	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;2861	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;2862	return 0;2863}2864 2865static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,2866			      struct snd_ctl_elem_value *ucontrol)2867{2868	int err;2869	u16 idx;2870	u32 new_val, old_value, uvalue;2871	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);2872	struct usb_mixer_interface *mixer = list->mixer;2873 2874	uvalue = ucontrol->value.integer.value[0];2875	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;2876	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;2877 2878	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)2879		return -EINVAL;2880 2881	if (uvalue == old_value)2882		return 0;2883 2884	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;2885 2886	kcontrol->private_value = idx2887		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);2888 2889	err = snd_bbfpro_vol_update(mixer, idx, new_val);2890	return err < 0 ? err : 1;2891}2892 2893static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)2894{2895	int pv = list->kctl->private_value;2896	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;2897	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)2898		& SND_BBFPRO_MIXER_VAL_MASK;2899	return snd_bbfpro_vol_update(list->mixer, idx, val);2900}2901 2902// Predfine elements2903static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {2904	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2905	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,2906	.index = 0,2907	.info = snd_bbfpro_ctl_info,2908	.get = snd_bbfpro_ctl_get,2909	.put = snd_bbfpro_ctl_put2910};2911 2912static const struct snd_kcontrol_new snd_bbfpro_gain_control = {2913	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2914	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,2915	.index = 0,2916	.info = snd_bbfpro_gain_info,2917	.get = snd_bbfpro_gain_get,2918	.put = snd_bbfpro_gain_put2919};2920 2921static const struct snd_kcontrol_new snd_bbfpro_vol_control = {2922	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,2923	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,2924	.index = 0,2925	.info = snd_bbfpro_vol_info,2926	.get = snd_bbfpro_vol_get,2927	.put = snd_bbfpro_vol_put2928};2929 2930static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,2931			      u8 index, char *name)2932{2933	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;2934 2935	knew.name = name;2936	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)2937		| ((index & SND_BBFPRO_CTL_IDX_MASK)2938			<< SND_BBFPRO_CTL_IDX_SHIFT);2939 2940	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,2941		&knew, NULL);2942}2943 2944static int snd_bbfpro_gain_add(struct usb_mixer_interface *mixer, u8 channel,2945			       char *name)2946{2947	struct snd_kcontrol_new knew = snd_bbfpro_gain_control;2948 2949	knew.name = name;2950	knew.private_value = channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT;2951 2952	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_gain_resume,2953		&knew, NULL);2954}2955 2956static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,2957			      char *name)2958{2959	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;2960 2961	knew.name = name;2962	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;2963 2964	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,2965		&knew, NULL);2966}2967 2968static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)2969{2970	int err, i, o;2971	char name[48];2972 2973	static const char * const input[] = {2974		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",2975		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};2976 2977	static const char * const output[] = {2978		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",2979		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};2980 2981	for (o = 0 ; o < 12 ; ++o) {2982		for (i = 0 ; i < 12 ; ++i) {2983			// Line routing2984			snprintf(name, sizeof(name),2985				 "%s-%s-%s Playback Volume",2986				 (i < 2 ? "Mic" : "Line"),2987				 input[i], output[o]);2988			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);2989			if (err < 0)2990				return err;2991 2992			// PCM routing... yes, it is output remapping2993			snprintf(name, sizeof(name),2994				 "PCM-%s-%s Playback Volume",2995				 output[i], output[o]);2996			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),2997						 name);2998			if (err < 0)2999				return err;3000		}3001	}3002 3003	// Main out volume3004	for (i = 0 ; i < 12 ; ++i) {3005		snprintf(name, sizeof(name), "Main-Out %s", output[i]);3006		// Main outs are offset to 9923007		err = snd_bbfpro_vol_add(mixer,3008					 i + SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET,3009					 name);3010		if (err < 0)3011			return err;3012	}3013 3014	// Input gain3015	for (i = 0 ; i < 4 ; ++i) {3016		if (i < 2)3017			snprintf(name, sizeof(name), "Mic-%s Gain", input[i]);3018		else3019			snprintf(name, sizeof(name), "Line-%s Gain", input[i]);3020 3021		err = snd_bbfpro_gain_add(mixer, i, name);3022		if (err < 0)3023			return err;3024	}3025 3026	// Control Reg 13027	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,3028				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,3029				 "Sample Clock Source");3030	if (err < 0)3031		return err;3032 3033	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,3034				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,3035				 "IEC958 Pro Mask");3036	if (err < 0)3037		return err;3038 3039	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,3040				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,3041				 "IEC958 Emphasis");3042	if (err < 0)3043		return err;3044 3045	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,3046				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,3047				 "IEC958 Switch");3048	if (err < 0)3049		return err;3050 3051	// Control Reg 23052	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3053				 SND_BBFPRO_CTL_REG2_48V_AN1,3054				 "Mic-AN1 48V");3055	if (err < 0)3056		return err;3057 3058	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3059				 SND_BBFPRO_CTL_REG2_48V_AN2,3060				 "Mic-AN2 48V");3061	if (err < 0)3062		return err;3063 3064	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3065				 SND_BBFPRO_CTL_REG2_SENS_IN3,3066				 "Line-IN3 Sens.");3067	if (err < 0)3068		return err;3069 3070	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3071				 SND_BBFPRO_CTL_REG2_SENS_IN4,3072				 "Line-IN4 Sens.");3073	if (err < 0)3074		return err;3075 3076	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3077				 SND_BBFPRO_CTL_REG2_PAD_AN1,3078				 "Mic-AN1 PAD");3079	if (err < 0)3080		return err;3081 3082	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,3083				 SND_BBFPRO_CTL_REG2_PAD_AN2,3084				 "Mic-AN2 PAD");3085	if (err < 0)3086		return err;3087 3088	return 0;3089}3090 3091/*3092 * RME Digiface USB3093 */3094 3095#define RME_DIGIFACE_READ_STATUS 173096#define RME_DIGIFACE_STATUS_REG0L 03097#define RME_DIGIFACE_STATUS_REG0H 13098#define RME_DIGIFACE_STATUS_REG1L 23099#define RME_DIGIFACE_STATUS_REG1H 33100#define RME_DIGIFACE_STATUS_REG2L 43101#define RME_DIGIFACE_STATUS_REG2H 53102#define RME_DIGIFACE_STATUS_REG3L 63103#define RME_DIGIFACE_STATUS_REG3H 73104 3105#define RME_DIGIFACE_CTL_REG1 163106#define RME_DIGIFACE_CTL_REG2 183107 3108/* Reg is overloaded, 0-7 for status halfwords or 16 or 18 for control registers */3109#define RME_DIGIFACE_REGISTER(reg, mask) (((reg) << 16) | (mask))3110#define RME_DIGIFACE_INVERT BIT(31)3111 3112/* Nonconst helpers */3113#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))3114#define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))3115 3116static int snd_rme_digiface_write_reg(struct snd_kcontrol *kcontrol, int item, u16 mask, u16 val)3117{3118	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);3119	struct snd_usb_audio *chip = list->mixer->chip;3120	struct usb_device *dev = chip->dev;3121	int err;3122 3123	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),3124			      item,3125			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,3126			      val, mask, NULL, 0);3127	if (err < 0)3128		dev_err(&dev->dev,3129			"unable to issue control set request %d (ret = %d)",3130			item, err);3131	return err;3132}3133 3134static int snd_rme_digiface_read_status(struct snd_kcontrol *kcontrol, u32 status[4])3135{3136	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);3137	struct snd_usb_audio *chip = list->mixer->chip;3138	struct usb_device *dev = chip->dev;3139	__le32 buf[4];3140	int err;3141 3142	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),3143			      RME_DIGIFACE_READ_STATUS,3144			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,3145			      0, 0,3146			      buf, sizeof(buf));3147	if (err < 0) {3148		dev_err(&dev->dev,3149			"unable to issue status read request (ret = %d)",3150			err);3151	} else {3152		for (int i = 0; i < ARRAY_SIZE(buf); i++)3153			status[i] = le32_to_cpu(buf[i]);3154	}3155	return err;3156}3157 3158static int snd_rme_digiface_get_status_val(struct snd_kcontrol *kcontrol)3159{3160	int err;3161	u32 status[4];3162	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;3163	u8 reg = (kcontrol->private_value >> 16) & 0xff;3164	u16 mask = kcontrol->private_value & 0xffff;3165	u16 val;3166 3167	err = snd_rme_digiface_read_status(kcontrol, status);3168	if (err < 0)3169		return err;3170 3171	switch (reg) {3172	/* Status register halfwords */3173	case RME_DIGIFACE_STATUS_REG0L ... RME_DIGIFACE_STATUS_REG3H:3174		break;3175	case RME_DIGIFACE_CTL_REG1: /* Control register 1, present in halfword 3L */3176		reg = RME_DIGIFACE_STATUS_REG3L;3177		break;3178	case RME_DIGIFACE_CTL_REG2: /* Control register 2, present in halfword 3H */3179		reg = RME_DIGIFACE_STATUS_REG3H;3180		break;3181	default:3182		return -EINVAL;3183	}3184 3185	if (reg & 1)3186		val = status[reg >> 1] >> 16;3187	else3188		val = status[reg >> 1] & 0xffff;3189 3190	if (invert)3191		val ^= mask;3192 3193	return field_get(mask, val);3194}3195 3196static int snd_rme_digiface_rate_get(struct snd_kcontrol *kcontrol,3197				     struct snd_ctl_elem_value *ucontrol)3198{3199	int freq = snd_rme_digiface_get_status_val(kcontrol);3200 3201	if (freq < 0)3202		return freq;3203	if (freq >= ARRAY_SIZE(snd_rme_rate_table))3204		return -EIO;3205 3206	ucontrol->value.integer.value[0] = snd_rme_rate_table[freq];3207	return 0;3208}3209 3210static int snd_rme_digiface_enum_get(struct snd_kcontrol *kcontrol,3211				     struct snd_ctl_elem_value *ucontrol)3212{3213	int val = snd_rme_digiface_get_status_val(kcontrol);3214 3215	if (val < 0)3216		return val;3217 3218	ucontrol->value.enumerated.item[0] = val;3219	return 0;3220}3221 3222static int snd_rme_digiface_enum_put(struct snd_kcontrol *kcontrol,3223				     struct snd_ctl_elem_value *ucontrol)3224{3225	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;3226	u8 reg = (kcontrol->private_value >> 16) & 0xff;3227	u16 mask = kcontrol->private_value & 0xffff;3228	u16 val = field_prep(mask, ucontrol->value.enumerated.item[0]);3229 3230	if (invert)3231		val ^= mask;3232 3233	return snd_rme_digiface_write_reg(kcontrol, reg, mask, val);3234}3235 3236static int snd_rme_digiface_current_sync_get(struct snd_kcontrol *kcontrol,3237				     struct snd_ctl_elem_value *ucontrol)3238{3239	int ret = snd_rme_digiface_enum_get(kcontrol, ucontrol);3240 3241	/* 7 means internal for current sync */3242	if (ucontrol->value.enumerated.item[0] == 7)3243		ucontrol->value.enumerated.item[0] = 0;3244 3245	return ret;3246}3247 3248static int snd_rme_digiface_sync_state_get(struct snd_kcontrol *kcontrol,3249					   struct snd_ctl_elem_value *ucontrol)3250{3251	u32 status[4];3252	int err;3253	bool valid, sync;3254 3255	err = snd_rme_digiface_read_status(kcontrol, status);3256	if (err < 0)3257		return err;3258 3259	valid = status[0] & BIT(kcontrol->private_value);3260	sync = status[0] & BIT(5 + kcontrol->private_value);3261 3262	if (!valid)3263		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_NOLOCK;3264	else if (!sync)3265		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_LOCK;3266	else3267		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_SYNC;3268	return 0;3269}3270 3271 3272static int snd_rme_digiface_format_info(struct snd_kcontrol *kcontrol,3273					struct snd_ctl_elem_info *uinfo)3274{3275	static const char *const format[] = {3276		"ADAT", "S/PDIF"3277	};3278 3279	return snd_ctl_enum_info(uinfo, 1,3280				 ARRAY_SIZE(format), format);3281}3282 3283 3284static int snd_rme_digiface_sync_source_info(struct snd_kcontrol *kcontrol,3285					     struct snd_ctl_elem_info *uinfo)3286{3287	static const char *const sync_sources[] = {3288		"Internal", "Input 1", "Input 2", "Input 3", "Input 4"3289	};3290 3291	return snd_ctl_enum_info(uinfo, 1,3292				 ARRAY_SIZE(sync_sources), sync_sources);3293}3294 3295static int snd_rme_digiface_rate_info(struct snd_kcontrol *kcontrol,3296				      struct snd_ctl_elem_info *uinfo)3297{3298	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;3299	uinfo->count = 1;3300	uinfo->value.integer.min = 0;3301	uinfo->value.integer.max = 200000;3302	uinfo->value.integer.step = 0;3303	return 0;3304}3305 3306static const struct snd_kcontrol_new snd_rme_digiface_controls[] = {3307	{3308		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3309		.name = "Input 1 Sync",3310		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3311		.info = snd_rme_sync_state_info,3312		.get = snd_rme_digiface_sync_state_get,3313		.private_value = 0,3314	},3315	{3316		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3317		.name = "Input 1 Format",3318		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3319		.info = snd_rme_digiface_format_info,3320		.get = snd_rme_digiface_enum_get,3321		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0H, BIT(0)) |3322			RME_DIGIFACE_INVERT,3323	},3324	{3325		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3326		.name = "Input 1 Rate",3327		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3328		.info = snd_rme_digiface_rate_info,3329		.get = snd_rme_digiface_rate_get,3330		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),3331	},3332	{3333		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3334		.name = "Input 2 Sync",3335		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3336		.info = snd_rme_sync_state_info,3337		.get = snd_rme_digiface_sync_state_get,3338		.private_value = 1,3339	},3340	{3341		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3342		.name = "Input 2 Format",3343		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3344		.info = snd_rme_digiface_format_info,3345		.get = snd_rme_digiface_enum_get,3346		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(13)) |3347			RME_DIGIFACE_INVERT,3348	},3349	{3350		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3351		.name = "Input 2 Rate",3352		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3353		.info = snd_rme_digiface_rate_info,3354		.get = snd_rme_digiface_rate_get,3355		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(7, 4)),3356	},3357	{3358		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3359		.name = "Input 3 Sync",3360		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3361		.info = snd_rme_sync_state_info,3362		.get = snd_rme_digiface_sync_state_get,3363		.private_value = 2,3364	},3365	{3366		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3367		.name = "Input 3 Format",3368		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3369		.info = snd_rme_digiface_format_info,3370		.get = snd_rme_digiface_enum_get,3371		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(14)) |3372			RME_DIGIFACE_INVERT,3373	},3374	{3375		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3376		.name = "Input 3 Rate",3377		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3378		.info = snd_rme_digiface_rate_info,3379		.get = snd_rme_digiface_rate_get,3380		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(11, 8)),3381	},3382	{3383		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3384		.name = "Input 4 Sync",3385		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3386		.info = snd_rme_sync_state_info,3387		.get = snd_rme_digiface_sync_state_get,3388		.private_value = 3,3389	},3390	{3391		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3392		.name = "Input 4 Format",3393		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3394		.info = snd_rme_digiface_format_info,3395		.get = snd_rme_digiface_enum_get,3396		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(15, 12)) |3397			RME_DIGIFACE_INVERT,3398	},3399	{3400		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3401		.name = "Input 4 Rate",3402		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3403		.info = snd_rme_digiface_rate_info,3404		.get = snd_rme_digiface_rate_get,3405		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),3406	},3407	{3408		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3409		.name = "Output 1 Format",3410		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3411		.info = snd_rme_digiface_format_info,3412		.get = snd_rme_digiface_enum_get,3413		.put = snd_rme_digiface_enum_put,3414		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(0)),3415	},3416	{3417		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3418		.name = "Output 2 Format",3419		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3420		.info = snd_rme_digiface_format_info,3421		.get = snd_rme_digiface_enum_get,3422		.put = snd_rme_digiface_enum_put,3423		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(1)),3424	},3425	{3426		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3427		.name = "Output 3 Format",3428		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3429		.info = snd_rme_digiface_format_info,3430		.get = snd_rme_digiface_enum_get,3431		.put = snd_rme_digiface_enum_put,3432		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(3)),3433	},3434	{3435		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3436		.name = "Output 4 Format",3437		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3438		.info = snd_rme_digiface_format_info,3439		.get = snd_rme_digiface_enum_get,3440		.put = snd_rme_digiface_enum_put,3441		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(4)),3442	},3443	{3444		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3445		.name = "Sync Source",3446		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3447		.info = snd_rme_digiface_sync_source_info,3448		.get = snd_rme_digiface_enum_get,3449		.put = snd_rme_digiface_enum_put,3450		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(2, 0)),3451	},3452	{3453		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3454		.name = "Current Sync Source",3455		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3456		.info = snd_rme_digiface_sync_source_info,3457		.get = snd_rme_digiface_current_sync_get,3458		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(12, 10)),3459	},3460	{3461		/*3462		 * This is writeable, but it is only set by the PCM rate.3463		 * Mixer apps currently need to drive the mixer using raw USB requests,3464		 * so they can also change this that way to configure the rate for3465		 * stand-alone operation when the PCM is closed.3466		 */3467		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3468		.name = "System Rate",3469		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3470		.info = snd_rme_rate_info,3471		.get = snd_rme_digiface_rate_get,3472		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(6, 3)),3473	},3474	{3475		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,3476		.name = "Current Rate",3477		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,3478		.info = snd_rme_rate_info,3479		.get = snd_rme_digiface_rate_get,3480		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1H, GENMASK(7, 4)),3481	}3482};3483 3484static int snd_rme_digiface_controls_create(struct usb_mixer_interface *mixer)3485{3486	int err, i;3487 3488	for (i = 0; i < ARRAY_SIZE(snd_rme_digiface_controls); ++i) {3489		err = add_single_ctl_with_resume(mixer, 0,3490						 NULL,3491						 &snd_rme_digiface_controls[i],3492						 NULL);3493		if (err < 0)3494			return err;3495	}3496 3497	return 0;3498}3499 3500/*3501 * Pioneer DJ DJM Mixers3502 *3503 * These devices generally have options for soft-switching the playback and3504 * capture sources in addition to the recording level. Although different3505 * devices have different configurations, there seems to be canonical values3506 * for specific capture/playback types:  See the definitions of these below.3507 *3508 * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to3509 * capture phono would be 0x0203. Capture, playback and capture level have3510 * different wIndexes.3511 */3512 3513// Capture types3514#define SND_DJM_CAP_LINE	0x003515#define SND_DJM_CAP_CDLINE	0x013516#define SND_DJM_CAP_DIGITAL	0x023517#define SND_DJM_CAP_PHONO	0x033518#define SND_DJM_CAP_PFADER	0x063519#define SND_DJM_CAP_XFADERA	0x073520#define SND_DJM_CAP_XFADERB	0x083521#define SND_DJM_CAP_MIC		0x093522#define SND_DJM_CAP_AUX		0x0d3523#define SND_DJM_CAP_RECOUT	0x0a3524#define SND_DJM_CAP_NONE	0x0f3525#define SND_DJM_CAP_CH1PFADER	0x113526#define SND_DJM_CAP_CH2PFADER	0x123527#define SND_DJM_CAP_CH3PFADER	0x133528#define SND_DJM_CAP_CH4PFADER	0x143529 3530// Playback types3531#define SND_DJM_PB_CH1		0x003532#define SND_DJM_PB_CH2		0x013533#define SND_DJM_PB_AUX		0x043534 3535#define SND_DJM_WINDEX_CAP	0x80023536#define SND_DJM_WINDEX_CAPLVL	0x80033537#define SND_DJM_WINDEX_PB	0x80163538 3539// kcontrol->private_value layout3540#define SND_DJM_VALUE_MASK	0x0000ffff3541#define SND_DJM_GROUP_MASK	0x00ff00003542#define SND_DJM_DEVICE_MASK	0xff0000003543#define SND_DJM_GROUP_SHIFT	163544#define SND_DJM_DEVICE_SHIFT	243545 3546// device table index3547// used for the snd_djm_devices table, so please update accordingly3548#define SND_DJM_250MK2_IDX	0x03549#define SND_DJM_750_IDX		0x13550#define SND_DJM_850_IDX		0x23551#define SND_DJM_900NXS2_IDX	0x33552#define SND_DJM_750MK2_IDX	0x43553#define SND_DJM_450_IDX		0x53554 3555 3556#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \3557	.name = _name, \3558	.options = snd_djm_opts_##suffix, \3559	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \3560	.default_value = _default_value, \3561	.wIndex = _windex }3562 3563#define SND_DJM_DEVICE(suffix) { \3564	.controls = snd_djm_ctls_##suffix, \3565	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }3566 3567 3568struct snd_djm_device {3569	const char *name;3570	const struct snd_djm_ctl *controls;3571	size_t ncontrols;3572};3573 3574struct snd_djm_ctl {3575	const char *name;3576	const u16 *options;3577	size_t noptions;3578	u16 default_value;3579	u16 wIndex;3580};3581 3582static const char *snd_djm_get_label_caplevel(u16 wvalue)3583{3584	switch (wvalue) {3585	case 0x0000:	return "-19dB";3586	case 0x0100:	return "-15dB";3587	case 0x0200:	return "-10dB";3588	case 0x0300:	return "-5dB";3589	default:	return NULL;3590	}3591};3592 3593static const char *snd_djm_get_label_cap_common(u16 wvalue)3594{3595	switch (wvalue & 0x00ff) {3596	case SND_DJM_CAP_LINE:		return "Control Tone LINE";3597	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";3598	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";3599	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";3600	case SND_DJM_CAP_PFADER:	return "Post Fader";3601	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";3602	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";3603	case SND_DJM_CAP_MIC:		return "Mic";3604	case SND_DJM_CAP_RECOUT:	return "Rec Out";3605	case SND_DJM_CAP_AUX:		return "Aux";3606	case SND_DJM_CAP_NONE:		return "None";3607	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";3608	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";3609	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";3610	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";3611	default:			return NULL;3612	}3613};3614 3615// The DJM-850 has different values for CD/LINE and LINE capture3616// control options than the other DJM declared in this file.3617static const char *snd_djm_get_label_cap_850(u16 wvalue)3618{3619	switch (wvalue & 0x00ff) {3620	case 0x00:		return "Control Tone CD/LINE";3621	case 0x01:		return "Control Tone LINE";3622	default:		return snd_djm_get_label_cap_common(wvalue);3623	}3624};3625 3626static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue)3627{3628	switch (device_idx) {3629	case SND_DJM_850_IDX:		return snd_djm_get_label_cap_850(wvalue);3630	default:			return snd_djm_get_label_cap_common(wvalue);3631	}3632};3633 3634static const char *snd_djm_get_label_pb(u16 wvalue)3635{3636	switch (wvalue & 0x00ff) {3637	case SND_DJM_PB_CH1:	return "Ch1";3638	case SND_DJM_PB_CH2:	return "Ch2";3639	case SND_DJM_PB_AUX:	return "Aux";3640	default:		return NULL;3641	}3642};3643 3644static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex)3645{3646	switch (windex) {3647	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);3648	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(device_idx, wvalue);3649	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);3650	default:			return NULL;3651	}3652};3653 3654// common DJM capture level option values3655static const u16 snd_djm_opts_cap_level[] = {3656	0x0000, 0x0100, 0x0200, 0x0300 };3657 3658 3659// DJM-250MK23660static const u16 snd_djm_opts_250mk2_cap1[] = {3661	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };3662 3663static const u16 snd_djm_opts_250mk2_cap2[] = {3664	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };3665 3666static const u16 snd_djm_opts_250mk2_cap3[] = {3667	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };3668 3669static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };3670static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };3671static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };3672 3673static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {3674	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3675	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),3676	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),3677	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),3678	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),3679	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),3680	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)3681};3682 3683 3684// DJM-4503685static const u16 snd_djm_opts_450_cap1[] = {3686	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };3687 3688static const u16 snd_djm_opts_450_cap2[] = {3689	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };3690 3691static const u16 snd_djm_opts_450_cap3[] = {3692	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };3693 3694static const u16 snd_djm_opts_450_pb1[] = { 0x0100, 0x0101, 0x0104 };3695static const u16 snd_djm_opts_450_pb2[] = { 0x0200, 0x0201, 0x0204 };3696static const u16 snd_djm_opts_450_pb3[] = { 0x0300, 0x0301, 0x0304 };3697 3698static const struct snd_djm_ctl snd_djm_ctls_450[] = {3699	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3700	SND_DJM_CTL("Ch1 Input",   450_cap1, 2, SND_DJM_WINDEX_CAP),3701	SND_DJM_CTL("Ch2 Input",   450_cap2, 2, SND_DJM_WINDEX_CAP),3702	SND_DJM_CTL("Ch3 Input",   450_cap3, 0, SND_DJM_WINDEX_CAP),3703	SND_DJM_CTL("Ch1 Output",   450_pb1, 0, SND_DJM_WINDEX_PB),3704	SND_DJM_CTL("Ch2 Output",   450_pb2, 1, SND_DJM_WINDEX_PB),3705	SND_DJM_CTL("Ch3 Output",   450_pb3, 2, SND_DJM_WINDEX_PB)3706};3707 3708 3709// DJM-7503710static const u16 snd_djm_opts_750_cap1[] = {3711	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };3712static const u16 snd_djm_opts_750_cap2[] = {3713	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };3714static const u16 snd_djm_opts_750_cap3[] = {3715	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };3716static const u16 snd_djm_opts_750_cap4[] = {3717	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };3718 3719static const struct snd_djm_ctl snd_djm_ctls_750[] = {3720	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3721	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),3722	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),3723	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),3724	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)3725};3726 3727 3728// DJM-8503729static const u16 snd_djm_opts_850_cap1[] = {3730	0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };3731static const u16 snd_djm_opts_850_cap2[] = {3732	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };3733static const u16 snd_djm_opts_850_cap3[] = {3734	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };3735static const u16 snd_djm_opts_850_cap4[] = {3736	0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };3737 3738static const struct snd_djm_ctl snd_djm_ctls_850[] = {3739	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3740	SND_DJM_CTL("Ch1 Input",   850_cap1, 1, SND_DJM_WINDEX_CAP),3741	SND_DJM_CTL("Ch2 Input",   850_cap2, 0, SND_DJM_WINDEX_CAP),3742	SND_DJM_CTL("Ch3 Input",   850_cap3, 0, SND_DJM_WINDEX_CAP),3743	SND_DJM_CTL("Ch4 Input",   850_cap4, 1, SND_DJM_WINDEX_CAP)3744};3745 3746 3747// DJM-900NXS23748static const u16 snd_djm_opts_900nxs2_cap1[] = {3749	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };3750static const u16 snd_djm_opts_900nxs2_cap2[] = {3751	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };3752static const u16 snd_djm_opts_900nxs2_cap3[] = {3753	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };3754static const u16 snd_djm_opts_900nxs2_cap4[] = {3755	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };3756static const u16 snd_djm_opts_900nxs2_cap5[] = {3757	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };3758 3759static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {3760	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3761	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),3762	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),3763	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),3764	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),3765	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)3766};3767 3768// DJM-750MK23769static const u16 snd_djm_opts_750mk2_cap1[] = {3770	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };3771static const u16 snd_djm_opts_750mk2_cap2[] = {3772	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };3773static const u16 snd_djm_opts_750mk2_cap3[] = {3774	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };3775static const u16 snd_djm_opts_750mk2_cap4[] = {3776	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };3777static const u16 snd_djm_opts_750mk2_cap5[] = {3778	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };3779 3780static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };3781static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };3782static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };3783 3784 3785static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {3786	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),3787	SND_DJM_CTL("Ch1 Input",   750mk2_cap1, 2, SND_DJM_WINDEX_CAP),3788	SND_DJM_CTL("Ch2 Input",   750mk2_cap2, 2, SND_DJM_WINDEX_CAP),3789	SND_DJM_CTL("Ch3 Input",   750mk2_cap3, 2, SND_DJM_WINDEX_CAP),3790	SND_DJM_CTL("Ch4 Input",   750mk2_cap4, 2, SND_DJM_WINDEX_CAP),3791	SND_DJM_CTL("Ch5 Input",   750mk2_cap5, 3, SND_DJM_WINDEX_CAP),3792	SND_DJM_CTL("Ch1 Output",   750mk2_pb1, 0, SND_DJM_WINDEX_PB),3793	SND_DJM_CTL("Ch2 Output",   750mk2_pb2, 1, SND_DJM_WINDEX_PB),3794	SND_DJM_CTL("Ch3 Output",   750mk2_pb3, 2, SND_DJM_WINDEX_PB)3795};3796 3797 3798static const struct snd_djm_device snd_djm_devices[] = {3799	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),3800	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),3801	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),3802	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),3803	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),3804	[SND_DJM_450_IDX] = SND_DJM_DEVICE(450),3805};3806 3807 3808static int snd_djm_controls_info(struct snd_kcontrol *kctl,3809				struct snd_ctl_elem_info *info)3810{3811	unsigned long private_value = kctl->private_value;3812	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;3813	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;3814	const struct snd_djm_device *device = &snd_djm_devices[device_idx];3815	const char *name;3816	const struct snd_djm_ctl *ctl;3817	size_t noptions;3818 3819	if (ctl_idx >= device->ncontrols)3820		return -EINVAL;3821 3822	ctl = &device->controls[ctl_idx];3823	noptions = ctl->noptions;3824	if (info->value.enumerated.item >= noptions)3825		info->value.enumerated.item = noptions - 1;3826 3827	name = snd_djm_get_label(device_idx,3828				ctl->options[info->value.enumerated.item],3829				ctl->wIndex);3830	if (!name)3831		return -EINVAL;3832 3833	strscpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));3834	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;3835	info->count = 1;3836	info->value.enumerated.items = noptions;3837	return 0;3838}3839 3840static int snd_djm_controls_update(struct usb_mixer_interface *mixer,3841				u8 device_idx, u8 group, u16 value)3842{3843	int err;3844	const struct snd_djm_device *device = &snd_djm_devices[device_idx];3845 3846	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)3847		return -EINVAL;3848 3849	err = snd_usb_lock_shutdown(mixer->chip);3850	if (err)3851		return err;3852 3853	err = snd_usb_ctl_msg(3854		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),3855		USB_REQ_SET_FEATURE,3856		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,3857		device->controls[group].options[value],3858		device->controls[group].wIndex,3859		NULL, 0);3860 3861	snd_usb_unlock_shutdown(mixer->chip);3862	return err;3863}3864 3865static int snd_djm_controls_get(struct snd_kcontrol *kctl,3866				struct snd_ctl_elem_value *elem)3867{3868	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;3869	return 0;3870}3871 3872static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)3873{3874	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);3875	struct usb_mixer_interface *mixer = list->mixer;3876	unsigned long private_value = kctl->private_value;3877 3878	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;3879	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;3880	u16 value = elem->value.enumerated.item[0];3881 3882	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |3883			      (group << SND_DJM_GROUP_SHIFT) |3884			      value);3885 3886	return snd_djm_controls_update(mixer, device, group, value);3887}3888 3889static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)3890{3891	unsigned long private_value = list->kctl->private_value;3892	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;3893	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;3894	u16 value = (private_value & SND_DJM_VALUE_MASK);3895 3896	return snd_djm_controls_update(list->mixer, device, group, value);3897}3898 3899static int snd_djm_controls_create(struct usb_mixer_interface *mixer,3900		const u8 device_idx)3901{3902	int err, i;3903	u16 value;3904 3905	const struct snd_djm_device *device = &snd_djm_devices[device_idx];3906 3907	struct snd_kcontrol_new knew = {3908		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,3909		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,3910		.index = 0,3911		.info = snd_djm_controls_info,3912		.get  = snd_djm_controls_get,3913		.put  = snd_djm_controls_put3914	};3915 3916	for (i = 0; i < device->ncontrols; i++) {3917		value = device->controls[i].default_value;3918		knew.name = device->controls[i].name;3919		knew.private_value = (3920			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |3921			(i << SND_DJM_GROUP_SHIFT) |3922			value);3923		err = snd_djm_controls_update(mixer, device_idx, i, value);3924		if (err)3925			return err;3926		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,3927						 &knew, NULL);3928		if (err)3929			return err;3930	}3931	return 0;3932}3933 3934int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)3935{3936	int err = 0;3937 3938	err = snd_usb_soundblaster_remote_init(mixer);3939	if (err < 0)3940		return err;3941 3942	switch (mixer->chip->usb_id) {3943	/* Tascam US-16x08 */3944	case USB_ID(0x0644, 0x8047):3945		err = snd_us16x08_controls_create(mixer);3946		break;3947	case USB_ID(0x041e, 0x3020):3948	case USB_ID(0x041e, 0x3040):3949	case USB_ID(0x041e, 0x3042):3950	case USB_ID(0x041e, 0x30df):3951	case USB_ID(0x041e, 0x3048):3952		err = snd_audigy2nx_controls_create(mixer);3953		if (err < 0)3954			break;3955		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",3956				     mixer, snd_audigy2nx_proc_read);3957		break;3958 3959	/* EMU0204 */3960	case USB_ID(0x041e, 0x3f19):3961		err = snd_emu0204_controls_create(mixer);3962		break;3963 3964	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */3965	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */3966		err = snd_c400_create_mixer(mixer);3967		break;3968 3969	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */3970	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */3971		err = snd_ftu_create_mixer(mixer);3972		break;3973 3974	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */3975	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */3976	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */3977		err = snd_xonar_u1_controls_create(mixer);3978		break;3979 3980	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */3981		err = snd_microii_controls_create(mixer);3982		break;3983 3984	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */3985		err = snd_mbox1_controls_create(mixer);3986		break;3987 3988	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */3989		err = snd_nativeinstruments_create_mixer(mixer,3990				snd_nativeinstruments_ta6_mixers,3991				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));3992		break;3993 3994	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */3995		err = snd_nativeinstruments_create_mixer(mixer,3996				snd_nativeinstruments_ta10_mixers,3997				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));3998		break;3999 4000	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */4001		/* detection is disabled in mixer_maps.c */4002		err = snd_create_std_mono_table(mixer, ebox44_table);4003		break;4004 4005	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */4006	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */4007	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */4008	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */4009	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */4010		err = snd_scarlett_controls_create(mixer);4011		break;4012 4013	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */4014	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */4015	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */4016	case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */4017	case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */4018	case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */4019	case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */4020	case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */4021	case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */4022	case USB_ID(0x1235, 0x8216): /* Focusrite Vocaster One */4023	case USB_ID(0x1235, 0x8217): /* Focusrite Vocaster Two */4024	case USB_ID(0x1235, 0x8218): /* Focusrite Scarlett Solo 4th Gen */4025	case USB_ID(0x1235, 0x8219): /* Focusrite Scarlett 2i2 4th Gen */4026	case USB_ID(0x1235, 0x821a): /* Focusrite Scarlett 4i4 4th Gen */4027	case USB_ID(0x1235, 0x8206): /* Focusrite Clarett 2Pre USB */4028	case USB_ID(0x1235, 0x8207): /* Focusrite Clarett 4Pre USB */4029	case USB_ID(0x1235, 0x8208): /* Focusrite Clarett 8Pre USB */4030	case USB_ID(0x1235, 0x820a): /* Focusrite Clarett+ 2Pre */4031	case USB_ID(0x1235, 0x820b): /* Focusrite Clarett+ 4Pre */4032	case USB_ID(0x1235, 0x820c): /* Focusrite Clarett+ 8Pre */4033		err = snd_scarlett2_init(mixer);4034		break;4035 4036	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */4037		err = snd_soundblaster_e1_switch_create(mixer);4038		break;4039	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */4040		err = dell_dock_mixer_create(mixer);4041		if (err < 0)4042			break;4043		err = dell_dock_mixer_init(mixer);4044		break;4045	case USB_ID(0x0bda, 0x402e): /* Dell WD19 dock */4046		err = dell_dock_mixer_create(mixer);4047		break;4048 4049	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */4050	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */4051	case USB_ID(0x2a39, 0x3fd4): /* RME */4052		err = snd_rme_controls_create(mixer);4053		break;4054 4055	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */4056		err = snd_sc1810_init_mixer(mixer);4057		break;4058	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */4059		err = snd_bbfpro_controls_create(mixer);4060		break;4061	case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */4062		err = snd_rme_digiface_controls_create(mixer);4063		break;4064	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */4065		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);4066		break;4067	case USB_ID(0x2b73, 0x0013): /* Pioneer DJ DJM-450 */4068		err = snd_djm_controls_create(mixer, SND_DJM_450_IDX);4069		break;4070	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */4071		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);4072		break;4073	case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */4074		err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);4075		break;4076	case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */4077		err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);4078		break;4079	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */4080		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);4081		break;4082	}4083 4084	return err;4085}4086 4087void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)4088{4089	switch (mixer->chip->usb_id) {4090	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */4091		dell_dock_mixer_init(mixer);4092		break;4093	}4094}4095 4096void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,4097				    int unitid)4098{4099	if (!mixer->rc_cfg)4100		return;4101	/* unit ids specific to Extigy/Audigy 2 NX: */4102	switch (unitid) {4103	case 0: /* remote control */4104		mixer->rc_urb->dev = mixer->chip->dev;4105		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);4106		break;4107	case 4: /* digital in jack */4108	case 7: /* line in jacks */4109	case 19: /* speaker out jacks */4110	case 20: /* headphones out jack */4111		break;4112	/* live24ext: 4 = line-in jack */4113	case 3:	/* hp-out jack (may actuate Mute) */4114		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||4115		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))4116			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);4117		break;4118	default:4119		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);4120		break;4121	}4122}4123 4124static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,4125					 struct usb_mixer_elem_info *cval,4126					 struct snd_kcontrol *kctl)4127{4128	/* Approximation using 10 ranges based on output measurement on hw v1.2.4129	 * This seems close to the cubic mapping e.g. alsamixer uses. */4130	static const DECLARE_TLV_DB_RANGE(scale,4131		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),4132		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),4133		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),4134		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),4135		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),4136		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),4137		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),4138		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),4139		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),4140		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),4141	);4142 4143	if (cval->min == 0 && cval->max == 50) {4144		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");4145		kctl->tlv.p = scale;4146		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;4147		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;4148 4149	} else if (cval->min == 0 && cval->max <= 1000) {4150		/* Some other clearly broken DragonFly variant.4151		 * At least a 0..53 variant (hw v1.0) exists.4152		 */4153		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");4154		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;4155	}4156}4157 4158void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,4159				  struct usb_mixer_elem_info *cval, int unitid,4160				  struct snd_kcontrol *kctl)4161{4162	switch (mixer->chip->usb_id) {4163	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */4164		if (unitid == 7 && cval->control == UAC_FU_VOLUME)4165			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);4166		break;4167	/* lowest playback value is muted on some devices */4168	case USB_ID(0x0d8c, 0x000c): /* C-Media */4169	case USB_ID(0x0d8c, 0x0014): /* C-Media */4170	case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */4171		if (strstr(kctl->id.name, "Playback"))4172			cval->min_mute = 1;4173		break;4174	}4175}4176 4177