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path: root/drivers/staging/line6/midi.c
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Diffstat (limited to 'drivers/staging/line6/midi.c')
-rw-r--r--drivers/staging/line6/midi.c100
1 files changed, 47 insertions, 53 deletions
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index 32b6ca7..4304dfe 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -1,7 +1,7 @@
/*
- * Line6 Linux USB driver - 0.8.0
+ * Line6 Linux USB driver - 0.9.1beta
*
- * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
+ * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -9,32 +9,23 @@
*
*/
-#include "driver.h"
-
-#include <linux/usb.h>
#include <linux/slab.h>
-
+#include <linux/usb.h>
#include <sound/core.h>
#include <sound/rawmidi.h>
#include "audio.h"
+#include "driver.h"
#include "midi.h"
#include "pod.h"
#include "usbdefs.h"
-
-#define USE_MIDIBUF 1
-#define OUTPUT_DUMP_ONLY 0
-
-
#define line6_rawmidi_substream_midi(substream) \
((struct snd_line6_midi *)((substream)->rmidi->private_data))
-
static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
int length);
-
/*
Pass data received via USB to MIDI.
*/
@@ -51,7 +42,8 @@ void line6_midi_receive(struct usb_line6 *line6, unsigned char *data,
*/
static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
{
- struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+ struct usb_line6 *line6 =
+ line6_rawmidi_substream_midi(substream)->line6;
struct snd_line6_midi *line6midi = line6->line6midi;
struct MidiBuffer *mb = &line6midi->midibuf_out;
unsigned long flags;
@@ -61,26 +53,27 @@ static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags);
for (;;) {
- req = min(midibuf_bytes_free(mb), line6->max_packet_size);
+ req = min(line6_midibuf_bytes_free(mb), line6->max_packet_size);
done = snd_rawmidi_transmit_peek(substream, chunk, req);
if (done == 0)
break;
-#if DO_DUMP_MIDI_SEND
+#ifdef CONFIG_LINE6_USB_DUMP_MIDI
line6_write_hexdump(line6, 's', chunk, done);
#endif
- midibuf_write(mb, chunk, done);
+ line6_midibuf_write(mb, chunk, done);
snd_rawmidi_transmit_ack(substream, done);
}
for (;;) {
- done = midibuf_read(mb, chunk, line6->max_packet_size);
+ done = line6_midibuf_read(mb, chunk, line6->max_packet_size);
if (done == 0)
break;
- if (midibuf_skip_message(mb, line6midi->midi_mask_transmit))
+ if (line6_midibuf_skip_message
+ (mb, line6midi->midi_mask_transmit))
continue;
send_midi_async(line6, chunk, done);
@@ -115,7 +108,7 @@ static void midi_sent(struct urb *urb)
}
if (num == 0)
- wake_up_interruptible(&line6->line6midi->send_wait);
+ wake_up(&line6->line6midi->send_wait);
spin_unlock_irqrestore(&line6->line6midi->send_urb_lock, flags);
}
@@ -138,8 +131,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
dev_err(line6->ifcdev, "Out of memory\n");
return -ENOMEM;
}
-
-#if DO_DUMP_URB_SEND
+#ifdef CONFIG_LINE6_USB_DUMP_CTRL
line6_write_hexdump(line6, 'S', data, length);
#endif
@@ -176,8 +168,11 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
case LINE6_DEVID_PODXTLIVE:
case LINE6_DEVID_PODXTPRO:
case LINE6_DEVID_POCKETPOD:
- pod_midi_postprocess((struct usb_line6_pod *)line6, data,
- length);
+ line6_pod_midi_postprocess((struct usb_line6_pod *)line6, data,
+ length);
+ break;
+
+ case LINE6_DEVID_VARIAX:
break;
default:
@@ -201,7 +196,8 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream,
int up)
{
unsigned long flags;
- struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+ struct usb_line6 *line6 =
+ line6_rawmidi_substream_midi(substream)->line6;
line6->line6midi->substream_transmit = substream;
spin_lock_irqsave(&line6->line6midi->send_urb_lock, flags);
@@ -214,20 +210,11 @@ static void line6_midi_output_trigger(struct snd_rawmidi_substream *substream,
static void line6_midi_output_drain(struct snd_rawmidi_substream *substream)
{
- struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
- wait_queue_head_t *head = &line6->line6midi->send_wait;
- DECLARE_WAITQUEUE(wait, current);
- add_wait_queue(head, &wait);
- current->state = TASK_INTERRUPTIBLE;
-
- while (line6->line6midi->num_active_send_urbs > 0)
- if (signal_pending(current))
- break;
- else
- schedule();
-
- current->state = TASK_RUNNING;
- remove_wait_queue(head, &wait);
+ struct usb_line6 *line6 =
+ line6_rawmidi_substream_midi(substream)->line6;
+ struct snd_line6_midi *midi = line6->line6midi;
+ wait_event_interruptible(midi->send_wait,
+ midi->num_active_send_urbs == 0);
}
static int line6_midi_input_open(struct snd_rawmidi_substream *substream)
@@ -243,7 +230,8 @@ static int line6_midi_input_close(struct snd_rawmidi_substream *substream)
static void line6_midi_input_trigger(struct snd_rawmidi_substream *substream,
int up)
{
- struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
+ struct usb_line6 *line6 =
+ line6_rawmidi_substream_midi(substream)->line6;
if (up)
line6->line6midi->substream_receive = substream;
@@ -284,12 +272,12 @@ static int snd_line6_new_midi(struct snd_line6_midi *line6midi)
rmidi->private_data = line6midi;
rmidi->private_free = line6_cleanup_midi;
+ strcpy(rmidi->id, line6midi->line6->properties->id);
strcpy(rmidi->name, line6midi->line6->properties->name);
rmidi->info_flags =
- SNDRV_RAWMIDI_INFO_OUTPUT |
- SNDRV_RAWMIDI_INFO_INPUT |
- SNDRV_RAWMIDI_INFO_DUPLEX;
+ SNDRV_RAWMIDI_INFO_OUTPUT |
+ SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX;
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
&line6_midi_output_ops);
@@ -362,17 +350,21 @@ static ssize_t midi_set_midi_mask_receive(struct device *dev,
return count;
}
-static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO, midi_get_midi_mask_transmit, midi_set_midi_mask_transmit);
-static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO, midi_get_midi_mask_receive, midi_set_midi_mask_receive);
+static DEVICE_ATTR(midi_mask_transmit, S_IWUGO | S_IRUGO,
+ midi_get_midi_mask_transmit, midi_set_midi_mask_transmit);
+static DEVICE_ATTR(midi_mask_receive, S_IWUGO | S_IRUGO,
+ midi_get_midi_mask_receive, midi_set_midi_mask_receive);
/* MIDI device destructor */
static int snd_line6_midi_free(struct snd_device *device)
{
struct snd_line6_midi *line6midi = device->device_data;
- device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_transmit);
- device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_receive);
- midibuf_destroy(&line6midi->midibuf_in);
- midibuf_destroy(&line6midi->midibuf_out);
+ device_remove_file(line6midi->line6->ifcdev,
+ &dev_attr_midi_mask_transmit);
+ device_remove_file(line6midi->line6->ifcdev,
+ &dev_attr_midi_mask_receive);
+ line6_midibuf_destroy(&line6midi->midibuf_in);
+ line6_midibuf_destroy(&line6midi->midibuf_out);
return 0;
}
@@ -388,19 +380,21 @@ int line6_init_midi(struct usb_line6 *line6)
int err;
struct snd_line6_midi *line6midi;
- if (!(line6->properties->capabilities & LINE6_BIT_CONTROL))
- return 0; /* skip MIDI initialization and report success */
+ if (!(line6->properties->capabilities & LINE6_BIT_CONTROL)) {
+ /* skip MIDI initialization and report success */
+ return 0;
+ }
line6midi = kzalloc(sizeof(struct snd_line6_midi), GFP_KERNEL);
if (line6midi == NULL)
return -ENOMEM;
- err = midibuf_init(&line6midi->midibuf_in, MIDI_BUFFER_SIZE, 0);
+ err = line6_midibuf_init(&line6midi->midibuf_in, MIDI_BUFFER_SIZE, 0);
if (err < 0)
return err;
- err = midibuf_init(&line6midi->midibuf_out, MIDI_BUFFER_SIZE, 1);
+ err = line6_midibuf_init(&line6midi->midibuf_out, MIDI_BUFFER_SIZE, 1);
if (err < 0)
return err;
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