413 lines
12 KiB
C
413 lines
12 KiB
C
/*
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* USB Audio Driver for ALSA
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*
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* Quirks and vendor-specific extensions for mixer interfaces
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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*
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* Many codes borrowed from audio.c by
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* Alan Cox (alan@lxorguk.ukuu.org.uk)
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* Thomas Sailer (sailer@ife.ee.ethz.ch)
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/usb.h>
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#include <linux/usb/audio.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/hwdep.h>
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#include <sound/info.h>
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#include "usbaudio.h"
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#include "mixer.h"
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#include "mixer_quirks.h"
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#include "helper.h"
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/*
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* Sound Blaster remote control configuration
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*
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* format of remote control data:
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* Extigy: xx 00
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* Audigy 2 NX: 06 80 xx 00 00 00
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* Live! 24-bit: 06 80 xx yy 22 83
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*/
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static const struct rc_config {
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u32 usb_id;
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u8 offset;
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u8 length;
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u8 packet_length;
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u8 min_packet_length; /* minimum accepted length of the URB result */
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u8 mute_mixer_id;
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u32 mute_code;
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} rc_configs[] = {
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{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
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{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
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{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
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{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
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};
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static void snd_usb_soundblaster_remote_complete(struct urb *urb)
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{
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struct usb_mixer_interface *mixer = urb->context;
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const struct rc_config *rc = mixer->rc_cfg;
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u32 code;
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if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
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return;
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code = mixer->rc_buffer[rc->offset];
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if (rc->length == 2)
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code |= mixer->rc_buffer[rc->offset + 1] << 8;
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/* the Mute button actually changes the mixer control */
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if (code == rc->mute_code)
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snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
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mixer->rc_code = code;
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wmb();
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wake_up(&mixer->rc_waitq);
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}
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static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
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long count, loff_t *offset)
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{
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struct usb_mixer_interface *mixer = hw->private_data;
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int err;
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u32 rc_code;
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if (count != 1 && count != 4)
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return -EINVAL;
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err = wait_event_interruptible(mixer->rc_waitq,
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(rc_code = xchg(&mixer->rc_code, 0)) != 0);
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if (err == 0) {
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if (count == 1)
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err = put_user(rc_code, buf);
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else
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err = put_user(rc_code, (u32 __user *)buf);
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}
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return err < 0 ? err : count;
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}
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static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
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poll_table *wait)
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{
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struct usb_mixer_interface *mixer = hw->private_data;
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poll_wait(file, &mixer->rc_waitq, wait);
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return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
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}
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static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
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{
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struct snd_hwdep *hwdep;
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int err, len, i;
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for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
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if (rc_configs[i].usb_id == mixer->chip->usb_id)
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break;
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if (i >= ARRAY_SIZE(rc_configs))
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return 0;
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mixer->rc_cfg = &rc_configs[i];
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len = mixer->rc_cfg->packet_length;
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init_waitqueue_head(&mixer->rc_waitq);
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err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
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if (err < 0)
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return err;
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snprintf(hwdep->name, sizeof(hwdep->name),
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"%s remote control", mixer->chip->card->shortname);
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hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
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hwdep->private_data = mixer;
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hwdep->ops.read = snd_usb_sbrc_hwdep_read;
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hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
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hwdep->exclusive = 1;
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mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!mixer->rc_urb)
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return -ENOMEM;
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mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
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if (!mixer->rc_setup_packet) {
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usb_free_urb(mixer->rc_urb);
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mixer->rc_urb = NULL;
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return -ENOMEM;
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}
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mixer->rc_setup_packet->bRequestType =
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USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
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mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
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mixer->rc_setup_packet->wValue = cpu_to_le16(0);
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mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
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mixer->rc_setup_packet->wLength = cpu_to_le16(len);
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usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
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usb_rcvctrlpipe(mixer->chip->dev, 0),
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(u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
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snd_usb_soundblaster_remote_complete, mixer);
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return 0;
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}
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#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
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static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
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int index = kcontrol->private_value;
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ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
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return 0;
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}
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static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
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int index = kcontrol->private_value;
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int value = ucontrol->value.integer.value[0];
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int err, changed;
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if (value > 1)
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return -EINVAL;
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changed = value != mixer->audigy2nx_leds[index];
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err = snd_usb_ctl_msg(mixer->chip->dev,
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usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
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value, index + 2, NULL, 0, 100);
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if (err < 0)
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return err;
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mixer->audigy2nx_leds[index] = value;
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return changed;
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}
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static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "CMSS LED Switch",
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.info = snd_audigy2nx_led_info,
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.get = snd_audigy2nx_led_get,
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.put = snd_audigy2nx_led_put,
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.private_value = 0,
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Power LED Switch",
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.info = snd_audigy2nx_led_info,
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.get = snd_audigy2nx_led_get,
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.put = snd_audigy2nx_led_put,
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.private_value = 1,
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Dolby Digital LED Switch",
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.info = snd_audigy2nx_led_info,
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.get = snd_audigy2nx_led_get,
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.put = snd_audigy2nx_led_put,
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.private_value = 2,
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},
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};
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static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
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{
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int i, err;
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for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
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if (i > 1 && /* Live24ext has 2 LEDs only */
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(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
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mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
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break;
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err = snd_ctl_add(mixer->chip->card,
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snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
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if (err < 0)
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return err;
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}
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mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
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return 0;
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}
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static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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static const struct sb_jack {
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int unitid;
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const char *name;
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} jacks_audigy2nx[] = {
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{4, "dig in "},
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{7, "line in"},
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{19, "spk out"},
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{20, "hph out"},
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{-1, NULL}
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}, jacks_live24ext[] = {
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{4, "line in"}, /* &1=Line, &2=Mic*/
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{3, "hph out"}, /* headphones */
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{0, "RC "}, /* last command, 6 bytes see rc_config above */
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{-1, NULL}
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};
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const struct sb_jack *jacks;
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struct usb_mixer_interface *mixer = entry->private_data;
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int i, err;
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u8 buf[3];
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snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
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if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
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jacks = jacks_audigy2nx;
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else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
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mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
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jacks = jacks_live24ext;
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else
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return;
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for (i = 0; jacks[i].name; ++i) {
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snd_iprintf(buffer, "%s: ", jacks[i].name);
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err = snd_usb_ctl_msg(mixer->chip->dev,
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usb_rcvctrlpipe(mixer->chip->dev, 0),
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UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
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USB_RECIP_INTERFACE, 0,
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jacks[i].unitid << 8, buf, 3, 100);
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if (err == 3 && (buf[0] == 3 || buf[0] == 6))
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snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
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else
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snd_iprintf(buffer, "?\n");
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}
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}
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static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
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return 0;
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}
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static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
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u8 old_status, new_status;
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int err, changed;
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old_status = mixer->xonar_u1_status;
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if (ucontrol->value.integer.value[0])
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new_status = old_status | 0x02;
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else
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new_status = old_status & ~0x02;
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changed = new_status != old_status;
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err = snd_usb_ctl_msg(mixer->chip->dev,
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usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
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50, 0, &new_status, 1, 100);
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if (err < 0)
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return err;
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mixer->xonar_u1_status = new_status;
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return changed;
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}
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static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Digital Playback Switch",
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.info = snd_ctl_boolean_mono_info,
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.get = snd_xonar_u1_switch_get,
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.put = snd_xonar_u1_switch_put,
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};
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static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
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{
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int err;
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err = snd_ctl_add(mixer->chip->card,
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snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
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if (err < 0)
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return err;
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mixer->xonar_u1_status = 0x05;
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return 0;
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}
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void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
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unsigned char samplerate_id)
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{
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struct usb_mixer_interface *mixer;
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struct usb_mixer_elem_info *cval;
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int unitid = 12; /* SamleRate ExtensionUnit ID */
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list_for_each_entry(mixer, &chip->mixer_list, list) {
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cval = mixer->id_elems[unitid];
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if (cval) {
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snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
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cval->control << 8,
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samplerate_id);
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snd_usb_mixer_notify_id(mixer, unitid);
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}
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break;
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}
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}
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int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
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{
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int err;
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struct snd_info_entry *entry;
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if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
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return err;
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if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
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mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
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mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
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if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
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return err;
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if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
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snd_info_set_text_ops(entry, mixer,
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snd_audigy2nx_proc_read);
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}
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if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
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mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
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err = snd_xonar_u1_controls_create(mixer);
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if (err < 0)
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return err;
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}
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return 0;
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}
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void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
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int unitid)
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{
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if (!mixer->rc_cfg)
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return;
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/* unit ids specific to Extigy/Audigy 2 NX: */
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switch (unitid) {
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case 0: /* remote control */
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mixer->rc_urb->dev = mixer->chip->dev;
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usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
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break;
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case 4: /* digital in jack */
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case 7: /* line in jacks */
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case 19: /* speaker out jacks */
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case 20: /* headphones out jack */
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break;
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/* live24ext: 4 = line-in jack */
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case 3: /* hp-out jack (may actuate Mute) */
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if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
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mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
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snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
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break;
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default:
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snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
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break;
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}
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}
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