/* User memory access */
#include "qemu/osdep.h"
#include "qemu/cutils.h"
#include "qemu.h"
/* copy_from_user() and copy_to_user() are usually used to copy data
* buffers between the target and host. These internally perform
* locking/unlocking of the memory.
*/
abi_long copy_from_user(void .highlight .hll { background-color: #ffffcc }
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.highlight .ch { color: #888888 } /* Comment.Hashbang */
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.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
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.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
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.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
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.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
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.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//*
* digi00x-midi.h - a part of driver for Digidesign Digi 002/003 family
*
* Copyright (c) 2014-2015 Takashi Sakamoto
*
* Licensed under the terms of the GNU General Public License, version 2.
*/
#include "digi00x.h"
static int midi_phys_open(struct snd_rawmidi_substream *substream)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
int err;
err = snd_dg00x_stream_lock_try(dg00x);
if (err < 0)
return err;
mutex_lock(&dg00x->mutex);
dg00x->substreams_counter++;
err = snd_dg00x_stream_start_duplex(dg00x, 0);
mutex_unlock(&dg00x->mutex);
if (err < 0)
snd_dg00x_stream_lock_release(dg00x);
return err;
}
static int midi_phys_close(struct snd_rawmidi_substream *substream)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
mutex_lock(&dg00x->mutex);
dg00x->substreams_counter--;
snd_dg00x_stream_stop_duplex(dg00x);
mutex_unlock(&dg00x->mutex);
snd_dg00x_stream_lock_release(dg00x);
return 0;
}
static void midi_phys_capture_trigger(struct snd_rawmidi_substream *substream,
int up)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
unsigned long flags;
spin_lock_irqsave(&dg00x->lock, flags);
if (up)
amdtp_dot_midi_trigger(&dg00x->tx_stream, substream->number,
substream);
else
amdtp_dot_midi_trigger(&dg00x->tx_stream, substream->number,
NULL);
spin_unlock_irqrestore(&dg00x->lock, flags);
}
static void midi_phys_playback_trigger(struct snd_rawmidi_substream *substream,
int up)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
unsigned long flags;
spin_lock_irqsave(&dg00x->lock, flags);
if (up)
amdtp_dot_midi_trigger(&dg00x->rx_stream, substream->number,
substream);
else
amdtp_dot_midi_trigger(&dg00x->rx_stream, substream->number,
NULL);
spin_unlock_irqrestore(&dg00x->lock, flags);
}
static struct snd_rawmidi_ops midi_phys_capture_ops = {
.open = midi_phys_open,
.close = midi_phys_close,
.trigger = midi_phys_capture_trigger,
};
static struct snd_rawmidi_ops midi_phys_playback_ops = {
.open = midi_phys_open,
.close = midi_phys_close,
.trigger = midi_phys_playback_trigger,
};
static int midi_ctl_open(struct snd_rawmidi_substream *substream)
{
/* Do nothing. */
return 0;
}
static int midi_ctl_capture_close(struct snd_rawmidi_substream *substream)
{
/* Do nothing. */
return 0;
}
static int midi_ctl_playback_close(struct snd_rawmidi_substream *substream)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
snd_fw_async_midi_port_finish(&dg00x->out_control);
return 0;
}
static void midi_ctl_capture_trigger(struct snd_rawmidi_substream *substream,
int up)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
unsigned long flags;
spin_lock_irqsave(&dg00x->lock, flags);
if (up)
dg00x->in_control = substream;
else
dg00x->in_control = NULL;
spin_unlock_irqrestore(&dg00x->lock, flags);
}
static void midi_ctl_playback_trigger(struct snd_rawmidi_substream *substream,
int up)
{
struct snd_dg00x *dg00x = substream->rmidi->private_data;
unsigned long flags;
spin_lock_irqsave(&dg00x->lock, flags);
if (up)
snd_fw_async_midi_port_run(&dg00x->out_control, substream);
spin_unlock_irqrestore(&dg00x->lock, flags);
}
static struct snd_rawmidi_ops midi_ctl_capture_ops = {
.open = midi_ctl_open,
.close = midi_ctl_capture_close,
.trigger = midi_ctl_capture_trigger,
};
static struct snd_rawmidi_ops midi_ctl_playback_ops = {
.open = midi_ctl_open,
.close = midi_ctl_playback_close,
.trigger = midi_ctl_playback_trigger,
};
static void set_midi_substream_names(struct snd_dg00x *dg00x,
struct snd_rawmidi_str *str,
bool is_ctl)
{
struct snd_rawmidi_substream *subs;
list_for_each_entry(subs, &str->substreams, list) {
if (!is_ctl)
snprintf(subs->name, sizeof(subs->name),
"%s MIDI %d",
dg00x->card->shortname, subs->number + 1);
else
/* This port is for asynchronous transaction. */
snprintf(subs->name, sizeof(subs->name),
"%s control",
dg00x->card->shortname);
}
}
int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x)
{
struct snd_rawmidi *rmidi[2];
struct snd_rawmidi_str *str;
unsigned int i;
int err;
/* Add physical midi ports. */
err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, 0,
DOT_MIDI_OUT_PORTS, DOT_MIDI_IN_PORTS, &rmidi[0]);
if (err < 0)
return err;
snprintf(rmidi[0]->name, sizeof(rmidi[0]->name),
"%s MIDI", dg00x->card->shortname);
snd_rawmidi_set_ops(rmidi[0], SNDRV_RAWMIDI_STREAM_INPUT,
&midi_phys_capture_ops);
snd_rawmidi_set_ops(rmidi[0], SNDRV_RAWMIDI_STREAM_OUTPUT,
&midi_phys_playback_ops);
/* Add a pair of control midi ports. */
err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, 1,
1, 1, &rmidi[1]);
if (err < 0)
return err;
snprintf(rmidi[1]->name, sizeof(rmidi[1]->name),
"%s control", dg00x->card->shortname);
snd_rawmidi_set_ops(rmidi[1], SNDRV_RAWMIDI_STREAM_INPUT,
&midi_ctl_capture_ops);
snd_rawmidi_set_ops(rmidi[1], SNDRV_RAWMIDI_STREAM_OUTPUT,
&midi_ctl_playback_ops);
for (i = 0; i < ARRAY_SIZE(rmidi); i++) {
rmidi[i]->private_data = dg00x;
rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
str = &rmidi[i]->streams[SNDRV_RAWMIDI_STREAM_INPUT];
set_midi_substream_names(dg00x, str, i);
rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT;
str = &rmidi[i]->streams[SNDRV_RAWMIDI_STREAM_OUTPUT];
set_midi_substream_names(dg00x, str, i);
rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX;
}
return 0;
}
