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-rw-r--r--sound/usb/quirks.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 007fcec..f104c68 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -306,6 +306,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
[QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
[QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
[QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
+ [QUIRK_MIDI_MBOX2] = create_any_midi_quirk,
[QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
[QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
[QUIRK_MIDI_CME] = create_any_midi_quirk,
@@ -497,6 +498,92 @@ static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
return -EAGAIN;
}
+static void mbox2_setup_48_24_magic(struct usb_device *dev)
+{
+ u8 srate[3];
+ u8 temp[12];
+
+ /* Choose 48000Hz permanently */
+ srate[0] = 0x80;
+ srate[1] = 0xbb;
+ srate[2] = 0x00;
+
+ /* Send the magic! */
+ snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
+ 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
+ return;
+}
+
+/* Digidesign Mbox 2 needs to load firmware onboard
+ * and driver must wait a few seconds for initialisation.
+ */
+
+#define MBOX2_FIRMWARE_SIZE 646
+#define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
+#define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
+
+int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
+{
+ struct usb_host_config *config = dev->actconfig;
+ int err;
+ u8 bootresponse;
+ int fwsize;
+ int count;
+
+ fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
+
+ if (fwsize != MBOX2_FIRMWARE_SIZE) {
+ snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize);
+ return -ENODEV;
+ }
+
+ snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
+
+ count = 0;
+ bootresponse = MBOX2_BOOT_LOADING;
+ while ((bootresponse == MBOX2_BOOT_LOADING) && (count < 10)) {
+ msleep(500); /* 0.5 second delay */
+ snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
+ /* Control magic - load onboard firmware */
+ 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
+ if (bootresponse == MBOX2_BOOT_READY)
+ break;
+ snd_printd("usb-audio: device not ready, resending boot sequence...\n");
+ count++;
+ }
+
+ if (bootresponse != MBOX2_BOOT_READY) {
+ snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse);
+ return -ENODEV;
+ }
+
+ snd_printdd("usb-audio: device initialised!\n");
+
+ err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
+ &dev->descriptor, sizeof(dev->descriptor));
+ config = dev->actconfig;
+ if (err < 0)
+ snd_printd("error usb_get_descriptor: %d\n", err);
+
+ err = usb_reset_configuration(dev);
+ if (err < 0)
+ snd_printd("error usb_reset_configuration: %d\n", err);
+ snd_printdd("mbox2_boot: new boot length = %d\n",
+ le16_to_cpu(get_cfg_desc(config)->wTotalLength));
+
+ mbox2_setup_48_24_magic(dev);
+
+ snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz");
+
+ return 0; /* Successful boot */
+}
+
/*
* Setup quirks
*/
@@ -655,6 +742,10 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
return snd_usb_cm6206_boot_quirk(dev);
+ case USB_ID(0x0dba, 0x3000):
+ /* Digidesign Mbox 2 */
+ return snd_usb_mbox2_boot_quirk(dev);
+
case USB_ID(0x133e, 0x0815):
/* Access Music VirusTI Desktop */
return snd_usb_accessmusic_boot_quirk(dev);
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