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authorTobias Hansen <Tobias.Hansen@physik.uni-hamburg.de>2009-09-22 16:52:08 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-22 17:47:47 +0200
commit4f272341c7a42a71586523f196b242bccde3be8c (patch)
tree4bd138abc4f6bbe54a4ec90c83e454e9b251be39 /sound/usb/usx2y
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
downloadlinux-4f272341c7a42a71586523f196b242bccde3be8c.tar.bz2
ALSA: snd-usb-us122l: add support for US-144
Adds support for US-144 when attached on USB1.1. Unlike the US-122L it uses both USB interfaces 0 and 1. Signed-off-by: Tobias Hansen <Tobias.Hansen@physik.uni-hamburg.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/usx2y')
-rw-r--r--sound/usb/usx2y/us122l.c75
1 files changed, 67 insertions, 8 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index fd44946ce4b3..6c7b64a23c13 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -66,6 +66,28 @@ static int us122l_create_usbmidi(struct snd_card *card)
iface, &quirk);
}
+static int us144_create_usbmidi(struct snd_card *card)
+{
+ static struct snd_usb_midi_endpoint_info quirk_data = {
+ .out_ep = 4,
+ .in_ep = 3,
+ .out_cables = 0x001,
+ .in_cables = 0x001
+ };
+ static struct snd_usb_audio_quirk quirk = {
+ .vendor_name = "US144",
+ .product_name = NAME_ALLCAPS,
+ .ifnum = 0,
+ .type = QUIRK_MIDI_US122L,
+ .data = &quirk_data
+ };
+ struct usb_device *dev = US122L(card)->chip.dev;
+ struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
+
+ return snd_usb_create_midi_interface(&US122L(card)->chip,
+ iface, &quirk);
+}
+
/*
* Wrapper for usb_control_msg().
* Allocates a temp buffer to prevent dmaing from/to the stack.
@@ -171,6 +193,11 @@ static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
if (!us122l->first)
us122l->first = file;
+
+ if (us122l->chip.dev->descriptor.idProduct == USB_ID_US144) {
+ iface = usb_ifnum_to_if(us122l->chip.dev, 0);
+ usb_autopm_get_interface(iface);
+ }
iface = usb_ifnum_to_if(us122l->chip.dev, 1);
usb_autopm_get_interface(iface);
return 0;
@@ -179,8 +206,14 @@ static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
{
struct us122l *us122l = hw->private_data;
- struct usb_interface *iface = usb_ifnum_to_if(us122l->chip.dev, 1);
+ struct usb_interface *iface;
snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
+
+ if (us122l->chip.dev->descriptor.idProduct == USB_ID_US144) {
+ iface = usb_ifnum_to_if(us122l->chip.dev, 0);
+ usb_autopm_put_interface(iface);
+ }
+ iface = usb_ifnum_to_if(us122l->chip.dev, 1);
usb_autopm_put_interface(iface);
if (us122l->first == file)
us122l->first = NULL;
@@ -443,6 +476,13 @@ static bool us122l_create_card(struct snd_card *card)
int err;
struct us122l *us122l = US122L(card);
+ if (us122l->chip.dev->descriptor.idProduct == USB_ID_US144) {
+ err = usb_set_interface(us122l->chip.dev, 0, 1);
+ if (err) {
+ snd_printk(KERN_ERR "usb_set_interface error \n");
+ return false;
+ }
+ }
err = usb_set_interface(us122l->chip.dev, 1, 1);
if (err) {
snd_printk(KERN_ERR "usb_set_interface error \n");
@@ -455,7 +495,10 @@ static bool us122l_create_card(struct snd_card *card)
if (!us122l_start(us122l, 44100, 256))
return false;
- err = us122l_create_usbmidi(card);
+ if (us122l->chip.dev->descriptor.idProduct == USB_ID_US144)
+ err = us144_create_usbmidi(card);
+ else
+ err = us122l_create_usbmidi(card);
if (err < 0) {
snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
us122l_stop(us122l);
@@ -542,6 +585,7 @@ static int us122l_usb_probe(struct usb_interface *intf,
return err;
}
+ usb_get_intf(usb_ifnum_to_if(device, 0));
usb_get_dev(device);
*cardp = card;
return 0;
@@ -550,9 +594,16 @@ static int us122l_usb_probe(struct usb_interface *intf,
static int snd_us122l_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
+ struct usb_device *device = interface_to_usbdev(intf);
struct snd_card *card;
int err;
+ if (device->descriptor.idProduct == USB_ID_US144
+ && device->speed == USB_SPEED_HIGH) {
+ snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
+ return -ENOENT;
+ }
+
snd_printdd(KERN_DEBUG"%p:%i\n",
intf, intf->cur_altsetting->desc.bInterfaceNumber);
if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
@@ -591,7 +642,8 @@ static void snd_us122l_disconnect(struct usb_interface *intf)
snd_usbmidi_disconnect(p);
}
- usb_put_intf(intf);
+ usb_put_intf(usb_ifnum_to_if(us122l->chip.dev, 0));
+ usb_put_intf(usb_ifnum_to_if(us122l->chip.dev, 1));
usb_put_dev(us122l->chip.dev);
while (atomic_read(&us122l->mmap_count))
@@ -642,6 +694,13 @@ static int snd_us122l_resume(struct usb_interface *intf)
mutex_lock(&us122l->mutex);
/* needed, doesn't restart without: */
+ if (us122l->chip.dev->descriptor.idProduct == USB_ID_US144) {
+ err = usb_set_interface(us122l->chip.dev, 0, 1);
+ if (err) {
+ snd_printk(KERN_ERR "usb_set_interface error \n");
+ goto unlock;
+ }
+ }
err = usb_set_interface(us122l->chip.dev, 1, 1);
if (err) {
snd_printk(KERN_ERR "usb_set_interface error \n");
@@ -675,11 +734,11 @@ static struct usb_device_id snd_us122l_usb_id_table[] = {
.idVendor = 0x0644,
.idProduct = USB_ID_US122L
},
-/* { */ /* US-144 maybe works when @USB1.1. Untested. */
-/* .match_flags = USB_DEVICE_ID_MATCH_DEVICE, */
-/* .idVendor = 0x0644, */
-/* .idProduct = USB_ID_US144 */
-/* }, */
+ { /* US-144 only works at USB1.1! Disable module ehci-hcd. */
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = 0x0644,
+ .idProduct = USB_ID_US144
+ },
{ /* terminator */ }
};