ALSA: usb-audio: Fast Track C400 mixer controls

Add a mixer quirks for the M-Audio Fast Track C400
and create the following:

* Volume controls
* Effect Type (reusing FTU controls)
* Effect Volume
* Effect Send/Return
* Effect Program
* Effect Feedback

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index a614dab..bf28a1b 100644 (file)
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1027,6 +1027,178 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
        }
 }
 
+/* M-Audio Fast Track C400 */
+/* C400 volume controls, this control needs a volume quirk, see mixer.c */
+static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
+{
+       char name[64];
+       unsigned int cmask, offset;
+       int out, chan, err;
+
+       const unsigned int id = 0x40;
+       const int val_type = USB_MIXER_S16;
+       const int control = 1;
+
+       for (chan = 0; chan < 10; chan++) {
+               for (out = 0; out < 6; out++) {
+                       if (chan < 6) {
+                               snprintf(name, sizeof(name),
+                                       "PCM%d-Out%d Playback Volume",
+                                       chan + 1, out + 1);
+                       } else {
+                               snprintf(name, sizeof(name),
+                                       "In%d-Out%d Playback Volume",
+                                       chan - 5, out + 1);
+                       }
+
+                       cmask = (out == 0) ? 0 : 1 << (out - 1);
+                       offset = chan * 6;
+                       err = snd_create_std_mono_ctl_offset(mixer, id, control,
+                                               cmask, val_type, offset, name,
+                                               &snd_usb_mixer_vol_tlv);
+                       if (err < 0)
+                               return err;
+               }
+       }
+
+       return 0;
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
+{
+       static const char name[] = "Effect Volume";
+       const unsigned int id = 0x43;
+       const int val_type = USB_MIXER_U8;
+       const unsigned int control = 3;
+       const unsigned int cmask = 0;
+
+       return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+                                       name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
+{
+       static const char name[] = "Effect Duration";
+       const unsigned int id = 0x43;
+       const int val_type = USB_MIXER_S16;
+       const unsigned int control = 4;
+       const unsigned int cmask = 0;
+
+       return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+                                       name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
+{
+       static const char name[] = "Effect Feedback Volume";
+       const unsigned int id = 0x43;
+       const int val_type = USB_MIXER_U8;
+       const unsigned int control = 5;
+       const unsigned int cmask = 0;
+
+       return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+                                       name, NULL);
+}
+
+static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
+{
+       char name[64];
+       unsigned int cmask;
+       int chan, err;
+
+       const unsigned int id = 0x42;
+       const int val_type = USB_MIXER_S16;
+       const int control = 1;
+
+       for (chan = 0; chan < 10; chan++) {
+               if (chan < 6) {
+                       snprintf(name, sizeof(name),
+                               "Effect Send DOut%d",
+                               chan + 1);
+               } else {
+                       snprintf(name, sizeof(name),
+                               "Effect Send AIn%d",
+                               chan - 5);
+               }
+
+               cmask = (chan == 0) ? 0 : 1 << (chan - 1);
+               err = snd_create_std_mono_ctl(mixer, id, control,
+                                               cmask, val_type, name,
+                                               &snd_usb_mixer_vol_tlv);
+               if (err < 0)
+                       return err;
+       }
+
+       return 0;
+}
+
+static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
+{
+       char name[64];
+       unsigned int cmask;
+       int chan, err;
+
+       const unsigned int id = 0x40;
+       const int val_type = USB_MIXER_S16;
+       const int control = 1;
+       const int chan_id[6] = { 0, 7, 2, 9, 4, 0xb };
+       const unsigned int offset = 0x3c;
+                               /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
+
+       for (chan = 0; chan < 6; chan++) {
+               snprintf(name, sizeof(name),
+                       "Effect Return %d",
+                       chan + 1);
+
+               cmask = (chan_id[chan] == 0) ? 0 : 1 << (chan_id[chan] - 1);
+               err = snd_create_std_mono_ctl_offset(mixer, id, control,
+                                               cmask, val_type, offset, name,
+                                               &snd_usb_mixer_vol_tlv);
+               if (err < 0)
+                       return err;
+       }
+
+       return 0;
+}
+
+static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
+{
+       int err;
+
+       err = snd_c400_create_vol_ctls(mixer);
+       if (err < 0)
+               return err;
+
+       err = snd_c400_create_effect_vol_ctls(mixer);
+       if (err < 0)
+               return err;
+
+       err = snd_c400_create_effect_ret_vol_ctls(mixer);
+       if (err < 0)
+               return err;
+
+       err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
+       if (err < 0)
+               return err;
+
+       err = snd_c400_create_effect_volume_ctl(mixer);
+       if (err < 0)
+               return err;
+
+       err = snd_c400_create_effect_duration_ctl(mixer);
+       if (err < 0)
+               return err;
+
+       err = snd_c400_create_effect_feedback_ctl(mixer);
+       if (err < 0)
+               return err;
+
+       return 0;
+}
+
 /*
  * The mixer units for Ebox-44 are corrupt, and even where they
  * are valid they presents mono controls as L and R channels of
@@ -1124,6 +1296,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
                                              snd_audigy2nx_proc_read);
                break;
 
+       case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
+               err = snd_c400_create_mixer(mixer);
+               break;
+
        case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
        case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
                err = snd_ftu_create_mixer(mixer);