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mixer_quirks.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* USB Audio Driver for ALSA
*
* Quirks and vendor-specific extensions for mixer interfaces
*
* Copyright (c) 2002 by Takashi Iwai <[email protected]>
*
* Many codes borrowed from audio.c by
* Alan Cox ([email protected])
* Thomas Sailer ([email protected])
*
* Audio Advantage Micro II support added by:
* Przemek Rudy ([email protected])
*/
#include <linux/hid.h>
#include <linux/init.h>
#include <linux/math64.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <sound/asoundef.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/hda_verbs.h>
#include <sound/hwdep.h>
#include <sound/info.h>
#include <sound/tlv.h>
#include "usbaudio.h"
#include "mixer.h"
#include "mixer_quirks.h"
#include "mixer_scarlett.h"
#include "mixer_scarlett_gen2.h"
#include "mixer_us16x08.h"
#include "mixer_s1810c.h"
#include "helper.h"
struct std_mono_table {
unsigned int unitid, control, cmask;
int val_type;
const char *name;
snd_kcontrol_tlv_rw_t *tlv_callback;
};
/* This function allows for the creation of standard UAC controls.
* See the quirks for M-Audio FTUs or Ebox-44.
* If you don't want to set a TLV callback pass NULL.
*
* Since there doesn't seem to be a devices that needs a multichannel
* version, we keep it mono for simplicity.
*/
static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
unsigned int unitid,
unsigned int control,
unsigned int cmask,
int val_type,
unsigned int idx_off,
const char *name,
snd_kcontrol_tlv_rw_t *tlv_callback)
{
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (!cval)
return -ENOMEM;
snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
cval->val_type = val_type;
cval->channels = 1;
cval->control = control;
cval->cmask = cmask;
cval->idx_off = idx_off;
/* get_min_max() is called only for integer volumes later,
* so provide a short-cut for booleans */
cval->min = 0;
cval->max = 1;
cval->res = 0;
cval->dBmin = 0;
cval->dBmax = 0;
/* Create control */
kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
if (!kctl) {
kfree(cval);
return -ENOMEM;
}
/* Set name */
snprintf(kctl->id.name, sizeof(kctl->id.name), name);
kctl->private_free = snd_usb_mixer_elem_free;
/* set TLV */
if (tlv_callback) {
kctl->tlv.c = tlv_callback;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
}
/* Add control to mixer */
return snd_usb_mixer_add_control(&cval->head, kctl);
}
static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
unsigned int unitid,
unsigned int control,
unsigned int cmask,
int val_type,
const char *name,
snd_kcontrol_tlv_rw_t *tlv_callback)
{
return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
val_type, 0 /* Offset */, name, tlv_callback);
}
/*
* Create a set of standard UAC controls from a table
*/
static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
const struct std_mono_table *t)
{
int err;
while (t->name != NULL) {
err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
t->cmask, t->val_type, t->name, t->tlv_callback);
if (err < 0)
return err;
t++;
}
return 0;
}
static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
int id,
usb_mixer_elem_resume_func_t resume,
const struct snd_kcontrol_new *knew,
struct usb_mixer_elem_list **listp)
{
struct usb_mixer_elem_list *list;
struct snd_kcontrol *kctl;
list = kzalloc(sizeof(*list), GFP_KERNEL);
if (!list)
return -ENOMEM;
if (listp)
*listp = list;
list->mixer = mixer;
list->id = id;
list->resume = resume;
kctl = snd_ctl_new1(knew, list);
if (!kctl) {
kfree(list);
return -ENOMEM;
}
kctl->private_free = snd_usb_mixer_elem_free;
/* don't use snd_usb_mixer_add_control() here, this is a special list element */
return snd_usb_mixer_add_list(list, kctl, false);
}
/*
* Sound Blaster remote control configuration
*
* format of remote control data:
* Extigy: xx 00
* Audigy 2 NX: 06 80 xx 00 00 00
* Live! 24-bit: 06 80 xx yy 22 83
*/
static const struct rc_config {
u32 usb_id;
u8 offset;
u8 length;
u8 packet_length;
u8 min_packet_length; /* minimum accepted length of the URB result */
u8 mute_mixer_id;
u32 mute_code;
} rc_configs[] = {
{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */
{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};
static void snd_usb_soundblaster_remote_complete(struct urb *urb)
{
struct usb_mixer_interface *mixer = urb->context;
const struct rc_config *rc = mixer->rc_cfg;
u32 code;
if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
return;
code = mixer->rc_buffer[rc->offset];
if (rc->length == 2)
code |= mixer->rc_buffer[rc->offset + 1] << 8;
/* the Mute button actually changes the mixer control */
if (code == rc->mute_code)
snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
mixer->rc_code = code;
wmb();
wake_up(&mixer->rc_waitq);
}
static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
long count, loff_t *offset)
{
struct usb_mixer_interface *mixer = hw->private_data;
int err;
u32 rc_code;
if (count != 1 && count != 4)
return -EINVAL;
err = wait_event_interruptible(mixer->rc_waitq,
(rc_code = xchg(&mixer->rc_code, 0)) != 0);
if (err == 0) {
if (count == 1)
err = put_user(rc_code, buf);
else
err = put_user(rc_code, (u32 __user *)buf);
}
return err < 0 ? err : count;
}
static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
poll_table *wait)
{
struct usb_mixer_interface *mixer = hw->private_data;
poll_wait(file, &mixer->rc_waitq, wait);
return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
}
static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
{
struct snd_hwdep *hwdep;
int err, len, i;
for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
if (rc_configs[i].usb_id == mixer->chip->usb_id)
break;
if (i >= ARRAY_SIZE(rc_configs))
return 0;
mixer->rc_cfg = &rc_configs[i];
len = mixer->rc_cfg->packet_length;
init_waitqueue_head(&mixer->rc_waitq);
err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
if (err < 0)
return err;
snprintf(hwdep->name, sizeof(hwdep->name),
"%s remote control", mixer->chip->card->shortname);
hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
hwdep->private_data = mixer;
hwdep->ops.read = snd_usb_sbrc_hwdep_read;
hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
hwdep->exclusive = 1;
mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!mixer->rc_urb)
return -ENOMEM;
mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
if (!mixer->rc_setup_packet) {
usb_free_urb(mixer->rc_urb);
mixer->rc_urb = NULL;
return -ENOMEM;
}
mixer->rc_setup_packet->bRequestType =
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
mixer->rc_setup_packet->wValue = cpu_to_le16(0);
mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
mixer->rc_setup_packet->wLength = cpu_to_le16(len);
usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
usb_rcvctrlpipe(mixer->chip->dev, 0),
(u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
snd_usb_soundblaster_remote_complete, mixer);
return 0;
}
#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
return 0;
}
static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
int value, int index)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
if (chip->usb_id == USB_ID(0x041e, 0x3042))
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
/* USB X-Fi S51 Pro */
if (chip->usb_id == USB_ID(0x041e, 0x30df))
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
else
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
value, index + 2, NULL, 0);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
struct usb_mixer_interface *mixer = list->mixer;
int index = kcontrol->private_value & 0xff;
unsigned int value = ucontrol->value.integer.value[0];
int old_value = kcontrol->private_value >> 8;
int err;
if (value > 1)
return -EINVAL;
if (value == old_value)
return 0;
kcontrol->private_value = (value << 8) | index;
err = snd_audigy2nx_led_update(mixer, value, index);
return err < 0 ? err : 1;
}
static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
{
int priv_value = list->kctl->private_value;
return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
priv_value & 0xff);
}
/* name and private_value are set dynamically */
static const struct snd_kcontrol_new snd_audigy2nx_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = snd_audigy2nx_led_info,
.get = snd_audigy2nx_led_get,
.put = snd_audigy2nx_led_put,
};
static const char * const snd_audigy2nx_led_names[] = {
"CMSS LED Switch",
"Power LED Switch",
"Dolby Digital LED Switch",
};
static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
{
int i, err;
for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
struct snd_kcontrol_new knew;
/* USB X-Fi S51 doesn't have a CMSS LED */
if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
continue;
/* USB X-Fi S51 Pro doesn't have one either */
if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
continue;
if (i > 1 && /* Live24ext has 2 LEDs only */
(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
break;
knew = snd_audigy2nx_control;
knew.name = snd_audigy2nx_led_names[i];
knew.private_value = (1 << 8) | i; /* LED on as default */
err = add_single_ctl_with_resume(mixer, 0,
snd_audigy2nx_led_resume,
&knew, NULL);
if (err < 0)
return err;
}
return 0;
}
static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
static const struct sb_jack {
int unitid;
const char *name;
} jacks_audigy2nx[] = {
{4, "dig in "},
{7, "line in"},
{19, "spk out"},
{20, "hph out"},
{-1, NULL}
}, jacks_live24ext[] = {
{4, "line in"}, /* &1=Line, &2=Mic*/
{3, "hph out"}, /* headphones */
{0, "RC "}, /* last command, 6 bytes see rc_config above */
{-1, NULL}
};
const struct sb_jack *jacks;
struct usb_mixer_interface *mixer = entry->private_data;
int i, err;
u8 buf[3];
snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
jacks = jacks_audigy2nx;
else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
jacks = jacks_live24ext;
else
return;
for (i = 0; jacks[i].name; ++i) {
snd_iprintf(buffer, "%s: ", jacks[i].name);
err = snd_usb_lock_shutdown(mixer->chip);
if (err < 0)
return;
err = snd_usb_ctl_msg(mixer->chip->dev,
usb_rcvctrlpipe(mixer->chip->dev, 0),
UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0,
jacks[i].unitid << 8, buf, 3);
snd_usb_unlock_shutdown(mixer->chip);
if (err == 3 && (buf[0] == 3 || buf[0] == 6))
snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
else
snd_iprintf(buffer, "?\n");
}
}
/* EMU0204 */
static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[2] = {"1/2", "3/4"};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = kcontrol->private_value;
return 0;
}
static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
int value)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
unsigned char buf[2];
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
buf[0] = 0x01;
buf[1] = value ? 0x02 : 0x01;
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
0x0400, 0x0e00, buf, 2);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
struct usb_mixer_interface *mixer = list->mixer;
unsigned int value = ucontrol->value.enumerated.item[0];
int err;
if (value > 1)
return -EINVAL;
if (value == kcontrol->private_value)
return 0;
kcontrol->private_value = value;
err = snd_emu0204_ch_switch_update(mixer, value);
return err < 0 ? err : 1;
}
static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_emu0204_ch_switch_update(list->mixer,
list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_emu0204_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Front Jack Channels",
.info = snd_emu0204_ch_switch_info,
.get = snd_emu0204_ch_switch_get,
.put = snd_emu0204_ch_switch_put,
.private_value = 0,
};
static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
{
return add_single_ctl_with_resume(mixer, 0,
snd_emu0204_ch_switch_resume,
&snd_emu0204_control, NULL);
}
/* ASUS Xonar U1 / U3 controls */
static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
return 0;
}
static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
unsigned char status)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x08,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
50, 0, &status, 1);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
u8 old_status, new_status;
int err;
old_status = kcontrol->private_value;
if (ucontrol->value.integer.value[0])
new_status = old_status | 0x02;
else
new_status = old_status & ~0x02;
if (new_status == old_status)
return 0;
kcontrol->private_value = new_status;
err = snd_xonar_u1_switch_update(list->mixer, new_status);
return err < 0 ? err : 1;
}
static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_xonar_u1_switch_update(list->mixer,
list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Digital Playback Switch",
.info = snd_ctl_boolean_mono_info,
.get = snd_xonar_u1_switch_get,
.put = snd_xonar_u1_switch_put,
.private_value = 0x05,
};
static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
{
return add_single_ctl_with_resume(mixer, 0,
snd_xonar_u1_switch_resume,
&snd_xonar_u1_output_switch, NULL);
}
/* Digidesign Mbox 1 helper functions */
static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
{
unsigned char buff[3];
int err;
int is_spdif_synced;
/* Read clock source */
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), 0x81,
USB_DIR_IN |
USB_TYPE_CLASS |
USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
if (err < 0)
return err;
/* spdif sync: buff is all zeroes */
is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
return is_spdif_synced;
}
static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
{
/* 2 possibilities: Internal -> expects sample rate
* S/PDIF sync -> expects rate = 0
*/
unsigned char buff[3];
buff[0] = (rate_or_zero >> 0) & 0xff;
buff[1] = (rate_or_zero >> 8) & 0xff;
buff[2] = (rate_or_zero >> 16) & 0xff;
/* Set clock source */
return snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x1,
USB_TYPE_CLASS |
USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
}
static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
{
/* Hardware gives 2 possibilities: ANALOG Source -> 0x01
* S/PDIF Source -> 0x02
*/
int err;
unsigned char source[1];
/* Read input source */
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), 0x81,
USB_DIR_IN |
USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
if (err < 0)
return err;
return (source[0] == 2);
}
static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
{
/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
* Hardware expects 2 possibilities: ANALOG Source -> 0x01
* S/PDIF Source -> 0x02
*/
unsigned char buff[1];
buff[0] = (is_spdif & 1) + 1;
/* Set input source */
return snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x1,
USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
}
/* Digidesign Mbox 1 clock source switch (internal/spdif) */
static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct snd_usb_audio *chip = list->mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
if (err < 0)
goto err;
kctl->private_value = err;
err = 0;
ucontrol->value.enumerated.item[0] = kctl->private_value;
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
if (err < 0)
goto err;
/* FIXME: hardcoded sample rate */
err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct usb_mixer_interface *mixer = list->mixer;
int err;
bool cur_val, new_val;
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
if (cur_val == new_val)
return 0;
kctl->private_value = new_val;
err = snd_mbox1_clk_switch_update(mixer, new_val);
return err < 0 ? err : 1;
}
static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char *const texts[2] = {
"Internal",
"S/PDIF"
};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
}
/* Digidesign Mbox 1 input source switch (analog/spdif) */
static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = kctl->private_value;
return 0;
}
static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_set_input_source(chip, is_spdif_input);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct usb_mixer_interface *mixer = list->mixer;
int err;
bool cur_val, new_val;
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
if (cur_val == new_val)
return 0;
kctl->private_value = new_val;
err = snd_mbox1_src_switch_update(mixer, new_val);
return err < 0 ? err : 1;
}
static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char *const texts[2] = {
"Analog",
"S/PDIF"
};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Source",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_mbox1_clk_switch_info,
.get = snd_mbox1_clk_switch_get,
.put = snd_mbox1_clk_switch_put,
.private_value = 0
};
static const struct snd_kcontrol_new snd_mbox1_src_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Source",
.index = 1,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_mbox1_src_switch_info,
.get = snd_mbox1_src_switch_get,
.put = snd_mbox1_src_switch_put,
.private_value = 0
};
static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
{
int err;
err = add_single_ctl_with_resume(mixer, 0,
snd_mbox1_clk_switch_resume,
&snd_mbox1_clk_switch, NULL);
if (err < 0)
return err;
return add_single_ctl_with_resume(mixer, 1,
snd_mbox1_src_switch_resume,
&snd_mbox1_src_switch, NULL);
}
/* Native Instruments device quirks */
#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
struct snd_kcontrol *kctl)
{
struct usb_device *dev = mixer->chip->dev;
unsigned int pval = kctl->private_value;
u8 value;
int err;
err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
(pval >> 16) & 0xff,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0, pval & 0xffff, &value, 1);
if (err < 0) {
dev_err(&dev->dev,
"unable to issue vendor read request (ret = %d)", err);
return err;
}
kctl->private_value |= ((unsigned int)value << 24);
return 0;
}
static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
return 0;
}
static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
{
struct snd_usb_audio *chip = list->mixer->chip;
unsigned int pval = list->kctl->private_value;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
(pval >> 16) & 0xff,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
pval >> 24, pval & 0xffff, NULL, 0, 1000);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
u8 oldval = (kcontrol->private_value >> 24) & 0xff;
u8 newval = ucontrol->value.integer.value[0];
int err;
if (oldval == newval)
return 0;
kcontrol->private_value &= ~(0xff << 24);
kcontrol->private_value |= (unsigned int)newval << 24;
err = snd_ni_update_cur_val(list);
return err < 0 ? err : 1;
}
static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
{
.name = "Direct Thru Channel A",
.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
},
{
.name = "Direct Thru Channel B",
.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
},
{
.name = "Phono Input Channel A",
.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
},
{
.name = "Phono Input Channel B",
.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
},
};
static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
{
.name = "Direct Thru Channel A",
.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
},
{
.name = "Direct Thru Channel B",
.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
},
{
.name = "Direct Thru Channel C",
.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
},
{
.name = "Direct Thru Channel D",
.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
},
{
.name = "Phono Input Channel A",
.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
},
{
.name = "Phono Input Channel B",
.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
},
{
.name = "Phono Input Channel C",
.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
},
{
.name = "Phono Input Channel D",
.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
},
};
static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
const struct snd_kcontrol_new *kc,
unsigned int count)
{
int i, err = 0;
struct snd_kcontrol_new template = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.get = snd_nativeinstruments_control_get,
.put = snd_nativeinstruments_control_put,
.info = snd_ctl_boolean_mono_info,
};