/*
* usbmidi.c - ALSA USB MIDI driver
*
- * Copyright (c) 2002-2005 Clemens Ladisch
+ * Copyright (c) 2002-2009 Clemens Ladisch
* All rights reserved.
*
* Based on the OSS usb-midi driver by NAGANO Daisuke,
* SUCH DAMAGE.
*/
-#include <sound/driver.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/timer.h>
#include <linux/usb.h>
+#include <linux/wait.h>
+#include <linux/usb/audio.h>
+
#include <sound/core.h>
-#include <sound/minors.h>
+#include <sound/control.h>
#include <sound/rawmidi.h>
+#include <sound/asequencer.h>
#include "usbaudio.h"
*/
#define ERROR_DELAY_JIFFIES (HZ / 10)
+#define OUTPUT_URBS 7
+#define INPUT_URBS 7
+
MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("USB Audio/MIDI helper module");
__u8 baAssocJackID[0];
} __attribute__ ((packed));
-typedef struct snd_usb_midi snd_usb_midi_t;
-typedef struct snd_usb_midi_endpoint snd_usb_midi_endpoint_t;
-typedef struct snd_usb_midi_out_endpoint snd_usb_midi_out_endpoint_t;
-typedef struct snd_usb_midi_in_endpoint snd_usb_midi_in_endpoint_t;
-typedef struct usbmidi_out_port usbmidi_out_port_t;
-typedef struct usbmidi_in_port usbmidi_in_port_t;
+struct snd_usb_midi_in_endpoint;
+struct snd_usb_midi_out_endpoint;
+struct snd_usb_midi_endpoint;
struct usb_protocol_ops {
- void (*input)(snd_usb_midi_in_endpoint_t*, uint8_t*, int);
- void (*output)(snd_usb_midi_out_endpoint_t*);
+ void (*input)(struct snd_usb_midi_in_endpoint*, uint8_t*, int);
+ void (*output)(struct snd_usb_midi_out_endpoint *ep, struct urb *urb);
void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t);
- void (*init_out_endpoint)(snd_usb_midi_out_endpoint_t*);
- void (*finish_out_endpoint)(snd_usb_midi_out_endpoint_t*);
+ void (*init_out_endpoint)(struct snd_usb_midi_out_endpoint*);
+ void (*finish_out_endpoint)(struct snd_usb_midi_out_endpoint*);
};
struct snd_usb_midi {
- snd_usb_audio_t *chip;
+ struct usb_device *dev;
+ struct snd_card *card;
struct usb_interface *iface;
- const snd_usb_audio_quirk_t *quirk;
- snd_rawmidi_t* rmidi;
+ const struct snd_usb_audio_quirk *quirk;
+ struct snd_rawmidi *rmidi;
struct usb_protocol_ops* usb_protocol_ops;
struct list_head list;
struct timer_list error_timer;
+ spinlock_t disc_lock;
+ struct mutex mutex;
+ u32 usb_id;
+ int next_midi_device;
struct snd_usb_midi_endpoint {
- snd_usb_midi_out_endpoint_t *out;
- snd_usb_midi_in_endpoint_t *in;
+ struct snd_usb_midi_out_endpoint *out;
+ struct snd_usb_midi_in_endpoint *in;
} endpoints[MIDI_MAX_ENDPOINTS];
unsigned long input_triggered;
+ unsigned int opened;
+ unsigned char disconnected;
+
+ struct snd_kcontrol *roland_load_ctl;
};
struct snd_usb_midi_out_endpoint {
- snd_usb_midi_t* umidi;
- struct urb* urb;
- int urb_active;
+ struct snd_usb_midi* umidi;
+ struct out_urb_context {
+ struct urb *urb;
+ struct snd_usb_midi_out_endpoint *ep;
+ } urbs[OUTPUT_URBS];
+ unsigned int active_urbs;
+ unsigned int drain_urbs;
int max_transfer; /* size of urb buffer */
struct tasklet_struct tasklet;
-
+ unsigned int next_urb;
spinlock_t buffer_lock;
struct usbmidi_out_port {
- snd_usb_midi_out_endpoint_t* ep;
- snd_rawmidi_substream_t* substream;
+ struct snd_usb_midi_out_endpoint* ep;
+ struct snd_rawmidi_substream *substream;
int active;
uint8_t cable; /* cable number << 4 */
uint8_t state;
uint8_t data[2];
} ports[0x10];
int current_port;
+
+ wait_queue_head_t drain_wait;
};
struct snd_usb_midi_in_endpoint {
- snd_usb_midi_t* umidi;
- struct urb* urb;
+ struct snd_usb_midi* umidi;
+ struct urb* urbs[INPUT_URBS];
struct usbmidi_in_port {
- snd_rawmidi_substream_t* substream;
+ struct snd_rawmidi_substream *substream;
+ u8 running_status_length;
} ports[0x10];
u8 seen_f5;
u8 error_resubmit;
int current_port;
};
-static void snd_usbmidi_do_output(snd_usb_midi_out_endpoint_t* ep);
+static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint* ep);
static const uint8_t snd_usbmidi_cin_length[] = {
0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1
/*
* Submits the URB, with error handling.
*/
-static int snd_usbmidi_submit_urb(struct urb* urb, int flags)
+static int snd_usbmidi_submit_urb(struct urb* urb, gfp_t flags)
{
int err = usb_submit_urb(urb, flags);
if (err < 0 && err != -ENODEV)
case -ENODEV:
return -ENODEV;
/* errors that might occur during unplugging */
- case -EPROTO: /* EHCI */
- case -ETIMEDOUT: /* OHCI */
- case -EILSEQ: /* UHCI */
+ case -EPROTO:
+ case -ETIME:
+ case -EILSEQ:
return -EIO;
default:
snd_printk(KERN_ERR "urb status %d\n", status);
/*
* Receives a chunk of MIDI data.
*/
-static void snd_usbmidi_input_data(snd_usb_midi_in_endpoint_t* ep, int portidx,
+static void snd_usbmidi_input_data(struct snd_usb_midi_in_endpoint* ep, int portidx,
uint8_t* data, int length)
{
- usbmidi_in_port_t* port = &ep->ports[portidx];
+ struct usbmidi_in_port* port = &ep->ports[portidx];
if (!port->substream) {
snd_printd("unexpected port %d!\n", portidx);
/*
* Processes the data read from the device.
*/
-static void snd_usbmidi_in_urb_complete(struct urb* urb, struct pt_regs *regs)
+static void snd_usbmidi_in_urb_complete(struct urb* urb)
{
- snd_usb_midi_in_endpoint_t* ep = urb->context;
+ struct snd_usb_midi_in_endpoint* ep = urb->context;
if (urb->status == 0) {
dump_urb("received", urb->transfer_buffer, urb->actual_length);
}
}
- if (usb_pipe_needs_resubmit(urb->pipe)) {
- urb->dev = ep->umidi->chip->dev;
- snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
- }
+ urb->dev = ep->umidi->dev;
+ snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
}
-static void snd_usbmidi_out_urb_complete(struct urb* urb, struct pt_regs *regs)
+static void snd_usbmidi_out_urb_complete(struct urb* urb)
{
- snd_usb_midi_out_endpoint_t* ep = urb->context;
+ struct out_urb_context *context = urb->context;
+ struct snd_usb_midi_out_endpoint* ep = context->ep;
+ unsigned int urb_index;
spin_lock(&ep->buffer_lock);
- ep->urb_active = 0;
+ urb_index = context - ep->urbs;
+ ep->active_urbs &= ~(1 << urb_index);
+ if (unlikely(ep->drain_urbs)) {
+ ep->drain_urbs &= ~(1 << urb_index);
+ wake_up(&ep->drain_wait);
+ }
spin_unlock(&ep->buffer_lock);
if (urb->status < 0) {
int err = snd_usbmidi_urb_error(urb->status);
* This is called when some data should be transferred to the device
* (from one or more substreams).
*/
-static void snd_usbmidi_do_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint* ep)
{
- struct urb* urb = ep->urb;
+ unsigned int urb_index;
+ struct urb* urb;
unsigned long flags;
spin_lock_irqsave(&ep->buffer_lock, flags);
- if (ep->urb_active || ep->umidi->chip->shutdown) {
+ if (ep->umidi->disconnected) {
spin_unlock_irqrestore(&ep->buffer_lock, flags);
return;
}
- urb->transfer_buffer_length = 0;
- ep->umidi->usb_protocol_ops->output(ep);
+ urb_index = ep->next_urb;
+ for (;;) {
+ if (!(ep->active_urbs & (1 << urb_index))) {
+ urb = ep->urbs[urb_index].urb;
+ urb->transfer_buffer_length = 0;
+ ep->umidi->usb_protocol_ops->output(ep, urb);
+ if (urb->transfer_buffer_length == 0)
+ break;
- if (urb->transfer_buffer_length > 0) {
- dump_urb("sending", urb->transfer_buffer,
- urb->transfer_buffer_length);
- urb->dev = ep->umidi->chip->dev;
- ep->urb_active = snd_usbmidi_submit_urb(urb, GFP_ATOMIC) >= 0;
+ dump_urb("sending", urb->transfer_buffer,
+ urb->transfer_buffer_length);
+ urb->dev = ep->umidi->dev;
+ if (snd_usbmidi_submit_urb(urb, GFP_ATOMIC) < 0)
+ break;
+ ep->active_urbs |= 1 << urb_index;
+ }
+ if (++urb_index >= OUTPUT_URBS)
+ urb_index = 0;
+ if (urb_index == ep->next_urb)
+ break;
}
+ ep->next_urb = urb_index;
spin_unlock_irqrestore(&ep->buffer_lock, flags);
}
static void snd_usbmidi_out_tasklet(unsigned long data)
{
- snd_usb_midi_out_endpoint_t* ep = (snd_usb_midi_out_endpoint_t *) data;
+ struct snd_usb_midi_out_endpoint* ep = (struct snd_usb_midi_out_endpoint *) data;
snd_usbmidi_do_output(ep);
}
/* called after transfers had been interrupted due to some USB error */
static void snd_usbmidi_error_timer(unsigned long data)
{
- snd_usb_midi_t *umidi = (snd_usb_midi_t *)data;
- int i;
+ struct snd_usb_midi *umidi = (struct snd_usb_midi *)data;
+ unsigned int i, j;
+ spin_lock(&umidi->disc_lock);
+ if (umidi->disconnected) {
+ spin_unlock(&umidi->disc_lock);
+ return;
+ }
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
- snd_usb_midi_in_endpoint_t *in = umidi->endpoints[i].in;
+ struct snd_usb_midi_in_endpoint *in = umidi->endpoints[i].in;
if (in && in->error_resubmit) {
in->error_resubmit = 0;
- in->urb->dev = umidi->chip->dev;
- snd_usbmidi_submit_urb(in->urb, GFP_ATOMIC);
+ for (j = 0; j < INPUT_URBS; ++j) {
+ in->urbs[j]->dev = umidi->dev;
+ snd_usbmidi_submit_urb(in->urbs[j], GFP_ATOMIC);
+ }
}
if (umidi->endpoints[i].out)
snd_usbmidi_do_output(umidi->endpoints[i].out);
}
+ spin_unlock(&umidi->disc_lock);
}
/* helper function to send static data that may not DMA-able */
-static int send_bulk_static_data(snd_usb_midi_out_endpoint_t* ep,
+static int send_bulk_static_data(struct snd_usb_midi_out_endpoint* ep,
const void *data, int len)
{
- int err;
- void *buf = kmalloc(len, GFP_KERNEL);
+ int err = 0;
+ void *buf = kmemdup(data, len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, data, len);
dump_urb("sending", buf, len);
- err = usb_bulk_msg(ep->umidi->chip->dev, ep->urb->pipe, buf, len,
- NULL, 250);
+ if (ep->urbs[0].urb)
+ err = usb_bulk_msg(ep->umidi->dev, ep->urbs[0].urb->pipe,
+ buf, len, NULL, 250);
kfree(buf);
return err;
}
* fourth byte in each packet, and uses length instead of CIN.
*/
-static void snd_usbmidi_standard_input(snd_usb_midi_in_endpoint_t* ep,
+static void snd_usbmidi_standard_input(struct snd_usb_midi_in_endpoint* ep,
uint8_t* buffer, int buffer_length)
{
int i;
}
}
-static void snd_usbmidi_midiman_input(snd_usb_midi_in_endpoint_t* ep,
+static void snd_usbmidi_midiman_input(struct snd_usb_midi_in_endpoint* ep,
uint8_t* buffer, int buffer_length)
{
int i;
}
/*
+ * Buggy M-Audio device: running status on input results in a packet that has
+ * the data bytes but not the status byte and that is marked with CIN 4.
+ */
+static void snd_usbmidi_maudio_broken_running_status_input(
+ struct snd_usb_midi_in_endpoint* ep,
+ uint8_t* buffer, int buffer_length)
+{
+ int i;
+
+ for (i = 0; i + 3 < buffer_length; i += 4)
+ if (buffer[i] != 0) {
+ int cable = buffer[i] >> 4;
+ u8 cin = buffer[i] & 0x0f;
+ struct usbmidi_in_port *port = &ep->ports[cable];
+ int length;
+
+ length = snd_usbmidi_cin_length[cin];
+ if (cin == 0xf && buffer[i + 1] >= 0xf8)
+ ; /* realtime msg: no running status change */
+ else if (cin >= 0x8 && cin <= 0xe)
+ /* channel msg */
+ port->running_status_length = length - 1;
+ else if (cin == 0x4 &&
+ port->running_status_length != 0 &&
+ buffer[i + 1] < 0x80)
+ /* CIN 4 that is not a SysEx */
+ length = port->running_status_length;
+ else
+ /*
+ * All other msgs cannot begin running status.
+ * (A channel msg sent as two or three CIN 0xF
+ * packets could in theory, but this device
+ * doesn't use this format.)
+ */
+ port->running_status_length = 0;
+ snd_usbmidi_input_data(ep, cable, &buffer[i + 1], length);
+ }
+}
+
+/*
+ * CME protocol: like the standard protocol, but SysEx commands are sent as a
+ * single USB packet preceded by a 0x0F byte.
+ */
+static void snd_usbmidi_cme_input(struct snd_usb_midi_in_endpoint *ep,
+ uint8_t *buffer, int buffer_length)
+{
+ if (buffer_length < 2 || (buffer[0] & 0x0f) != 0x0f)
+ snd_usbmidi_standard_input(ep, buffer, buffer_length);
+ else
+ snd_usbmidi_input_data(ep, buffer[0] >> 4,
+ &buffer[1], buffer_length - 1);
+}
+
+/*
* Adds one USB MIDI packet to the output buffer.
*/
static void snd_usbmidi_output_standard_packet(struct urb* urb, uint8_t p0,
/*
* Converts MIDI commands to USB MIDI packets.
*/
-static void snd_usbmidi_transmit_byte(usbmidi_out_port_t* port,
+static void snd_usbmidi_transmit_byte(struct usbmidi_out_port* port,
uint8_t b, struct urb* urb)
{
uint8_t p0 = port->cable;
}
}
-static void snd_usbmidi_standard_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint* ep,
+ struct urb *urb)
{
- struct urb* urb = ep->urb;
int p;
/* FIXME: lower-numbered ports can starve higher-numbered ports */
for (p = 0; p < 0x10; ++p) {
- usbmidi_out_port_t* port = &ep->ports[p];
+ struct usbmidi_out_port* port = &ep->ports[p];
if (!port->active)
continue;
while (urb->transfer_buffer_length + 3 < ep->max_transfer) {
.output_packet = snd_usbmidi_output_midiman_packet,
};
+static struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
+ .input = snd_usbmidi_maudio_broken_running_status_input,
+ .output = snd_usbmidi_standard_output,
+ .output_packet = snd_usbmidi_output_standard_packet,
+};
+
+static struct usb_protocol_ops snd_usbmidi_cme_ops = {
+ .input = snd_usbmidi_cme_input,
+ .output = snd_usbmidi_standard_output,
+ .output_packet = snd_usbmidi_output_standard_packet,
+};
+
/*
* Novation USB MIDI protocol: number of data bytes is in the first byte
* (when receiving) (+1!) or in the second byte (when sending); data begins
* at the third byte.
*/
-static void snd_usbmidi_novation_input(snd_usb_midi_in_endpoint_t* ep,
+static void snd_usbmidi_novation_input(struct snd_usb_midi_in_endpoint* ep,
uint8_t* buffer, int buffer_length)
{
if (buffer_length < 2 || !buffer[0] || buffer_length < buffer[0] + 1)
snd_usbmidi_input_data(ep, 0, &buffer[2], buffer[0] - 1);
}
-static void snd_usbmidi_novation_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint* ep,
+ struct urb *urb)
{
uint8_t* transfer_buffer;
int count;
if (!ep->ports[0].active)
return;
- transfer_buffer = ep->urb->transfer_buffer;
+ transfer_buffer = urb->transfer_buffer;
count = snd_rawmidi_transmit(ep->ports[0].substream,
&transfer_buffer[2],
ep->max_transfer - 2);
}
transfer_buffer[0] = 0;
transfer_buffer[1] = count;
- ep->urb->transfer_buffer_length = 2 + count;
+ urb->transfer_buffer_length = 2 + count;
}
static struct usb_protocol_ops snd_usbmidi_novation_ops = {
* "raw" protocol: used by the MOTU FastLane.
*/
-static void snd_usbmidi_raw_input(snd_usb_midi_in_endpoint_t* ep,
+static void snd_usbmidi_raw_input(struct snd_usb_midi_in_endpoint* ep,
uint8_t* buffer, int buffer_length)
{
snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
}
-static void snd_usbmidi_raw_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint* ep,
+ struct urb *urb)
{
int count;
if (!ep->ports[0].active)
return;
count = snd_rawmidi_transmit(ep->ports[0].substream,
- ep->urb->transfer_buffer,
+ urb->transfer_buffer,
ep->max_transfer);
if (count < 1) {
ep->ports[0].active = 0;
return;
}
- ep->urb->transfer_buffer_length = count;
+ urb->transfer_buffer_length = count;
}
static struct usb_protocol_ops snd_usbmidi_raw_ops = {
.output = snd_usbmidi_raw_output,
};
+static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep,
+ uint8_t *buffer, int buffer_length)
+{
+ if (buffer_length != 9)
+ return;
+ buffer_length = 8;
+ while (buffer_length && buffer[buffer_length - 1] == 0xFD)
+ buffer_length--;
+ if (buffer_length)
+ snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
+}
+
+static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,
+ struct urb *urb)
+{
+ int count;
+
+ if (!ep->ports[0].active)
+ return;
+ count = snd_usb_get_speed(ep->umidi->dev) == USB_SPEED_HIGH ? 1 : 2;
+ count = snd_rawmidi_transmit(ep->ports[0].substream,
+ urb->transfer_buffer,
+ count);
+ if (count < 1) {
+ ep->ports[0].active = 0;
+ return;
+ }
+
+ memset(urb->transfer_buffer + count, 0xFD, 9 - count);
+ urb->transfer_buffer_length = count;
+}
+
+static struct usb_protocol_ops snd_usbmidi_122l_ops = {
+ .input = snd_usbmidi_us122l_input,
+ .output = snd_usbmidi_us122l_output,
+};
+
/*
* Emagic USB MIDI protocol: raw MIDI with "F5 xx" port switching.
*/
-static void snd_usbmidi_emagic_init_out(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_emagic_init_out(struct snd_usb_midi_out_endpoint* ep)
{
static const u8 init_data[] = {
/* initialization magic: "get version" */
send_bulk_static_data(ep, init_data, sizeof(init_data));
}
-static void snd_usbmidi_emagic_finish_out(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_emagic_finish_out(struct snd_usb_midi_out_endpoint* ep)
{
static const u8 finish_data[] = {
/* switch to patch mode with last preset */
send_bulk_static_data(ep, finish_data, sizeof(finish_data));
}
-static void snd_usbmidi_emagic_input(snd_usb_midi_in_endpoint_t* ep,
+static void snd_usbmidi_emagic_input(struct snd_usb_midi_in_endpoint* ep,
uint8_t* buffer, int buffer_length)
{
int i;
}
}
-static void snd_usbmidi_emagic_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint* ep,
+ struct urb *urb)
{
int port0 = ep->current_port;
- uint8_t* buf = ep->urb->transfer_buffer;
+ uint8_t* buf = urb->transfer_buffer;
int buf_free = ep->max_transfer;
int length, i;
for (i = 0; i < 0x10; ++i) {
/* round-robin, starting at the last current port */
int portnum = (port0 + i) & 15;
- usbmidi_out_port_t* port = &ep->ports[portnum];
+ struct usbmidi_out_port* port = &ep->ports[portnum];
if (!port->active)
continue;
*buf = 0xff;
--buf_free;
}
- ep->urb->transfer_buffer_length = ep->max_transfer - buf_free;
+ urb->transfer_buffer_length = ep->max_transfer - buf_free;
}
static struct usb_protocol_ops snd_usbmidi_emagic_ops = {
};
-static int snd_usbmidi_output_open(snd_rawmidi_substream_t* substream)
+static void update_roland_altsetting(struct snd_usb_midi* umidi)
+{
+ struct usb_interface *intf;
+ struct usb_host_interface *hostif;
+ struct usb_interface_descriptor *intfd;
+ int is_light_load;
+
+ intf = umidi->iface;
+ is_light_load = intf->cur_altsetting != intf->altsetting;
+ if (umidi->roland_load_ctl->private_value == is_light_load)
+ return;
+ hostif = &intf->altsetting[umidi->roland_load_ctl->private_value];
+ intfd = get_iface_desc(hostif);
+ snd_usbmidi_input_stop(&umidi->list);
+ usb_set_interface(umidi->dev, intfd->bInterfaceNumber,
+ intfd->bAlternateSetting);
+ snd_usbmidi_input_start(&umidi->list);
+}
+
+static void substream_open(struct snd_rawmidi_substream *substream, int open)
+{
+ struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct snd_kcontrol *ctl;
+
+ mutex_lock(&umidi->mutex);
+ if (open) {
+ if (umidi->opened++ == 0 && umidi->roland_load_ctl) {
+ ctl = umidi->roland_load_ctl;
+ ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(umidi->card,
+ SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
+ update_roland_altsetting(umidi);
+ }
+ } else {
+ if (--umidi->opened == 0 && umidi->roland_load_ctl) {
+ ctl = umidi->roland_load_ctl;
+ ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(umidi->card,
+ SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
+ }
+ }
+ mutex_unlock(&umidi->mutex);
+}
+
+static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream)
{
- snd_usb_midi_t* umidi = substream->rmidi->private_data;
- usbmidi_out_port_t* port = NULL;
+ struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct usbmidi_out_port* port = NULL;
int i, j;
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
}
substream->runtime->private_data = port;
port->state = STATE_UNKNOWN;
+ substream_open(substream, 1);
return 0;
}
-static int snd_usbmidi_output_close(snd_rawmidi_substream_t* substream)
+static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream)
{
+ substream_open(substream, 0);
return 0;
}
-static void snd_usbmidi_output_trigger(snd_rawmidi_substream_t* substream, int up)
+static void snd_usbmidi_output_trigger(struct snd_rawmidi_substream *substream, int up)
{
- usbmidi_out_port_t* port = (usbmidi_out_port_t*)substream->runtime->private_data;
+ struct usbmidi_out_port* port = (struct usbmidi_out_port*)substream->runtime->private_data;
port->active = up;
if (up) {
- if (port->ep->umidi->chip->shutdown) {
+ if (port->ep->umidi->disconnected) {
/* gobble up remaining bytes to prevent wait in
* snd_rawmidi_drain_output */
while (!snd_rawmidi_transmit_empty(substream))
snd_rawmidi_transmit_ack(substream, 1);
return;
}
- tasklet_hi_schedule(&port->ep->tasklet);
+ tasklet_schedule(&port->ep->tasklet);
}
}
-static int snd_usbmidi_input_open(snd_rawmidi_substream_t* substream)
+static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
{
+ struct usbmidi_out_port* port = substream->runtime->private_data;
+ struct snd_usb_midi_out_endpoint *ep = port->ep;
+ unsigned int drain_urbs;
+ DEFINE_WAIT(wait);
+ long timeout = msecs_to_jiffies(50);
+
+ if (ep->umidi->disconnected)
+ return;
+ /*
+ * The substream buffer is empty, but some data might still be in the
+ * currently active URBs, so we have to wait for those to complete.
+ */
+ spin_lock_irq(&ep->buffer_lock);
+ drain_urbs = ep->active_urbs;
+ if (drain_urbs) {
+ ep->drain_urbs |= drain_urbs;
+ do {
+ prepare_to_wait(&ep->drain_wait, &wait,
+ TASK_UNINTERRUPTIBLE);
+ spin_unlock_irq(&ep->buffer_lock);
+ timeout = schedule_timeout(timeout);
+ spin_lock_irq(&ep->buffer_lock);
+ drain_urbs &= ep->drain_urbs;
+ } while (drain_urbs && timeout);
+ finish_wait(&ep->drain_wait, &wait);
+ }
+ spin_unlock_irq(&ep->buffer_lock);
+}
+
+static int snd_usbmidi_input_open(struct snd_rawmidi_substream *substream)
+{
+ substream_open(substream, 1);
return 0;
}
-static int snd_usbmidi_input_close(snd_rawmidi_substream_t* substream)
+static int snd_usbmidi_input_close(struct snd_rawmidi_substream *substream)
{
+ substream_open(substream, 0);
return 0;
}
-static void snd_usbmidi_input_trigger(snd_rawmidi_substream_t* substream, int up)
+static void snd_usbmidi_input_trigger(struct snd_rawmidi_substream *substream, int up)
{
- snd_usb_midi_t* umidi = substream->rmidi->private_data;
+ struct snd_usb_midi* umidi = substream->rmidi->private_data;
if (up)
set_bit(substream->number, &umidi->input_triggered);
clear_bit(substream->number, &umidi->input_triggered);
}
-static snd_rawmidi_ops_t snd_usbmidi_output_ops = {
+static struct snd_rawmidi_ops snd_usbmidi_output_ops = {
.open = snd_usbmidi_output_open,
.close = snd_usbmidi_output_close,
.trigger = snd_usbmidi_output_trigger,
+ .drain = snd_usbmidi_output_drain,
};
-static snd_rawmidi_ops_t snd_usbmidi_input_ops = {
+static struct snd_rawmidi_ops snd_usbmidi_input_ops = {
.open = snd_usbmidi_input_open,
.close = snd_usbmidi_input_close,
.trigger = snd_usbmidi_input_trigger
};
+static void free_urb_and_buffer(struct snd_usb_midi *umidi, struct urb *urb,
+ unsigned int buffer_length)
+{
+ usb_buffer_free(umidi->dev, buffer_length,
+ urb->transfer_buffer, urb->transfer_dma);
+ usb_free_urb(urb);
+}
+
/*
* Frees an input endpoint.
* May be called when ep hasn't been initialized completely.
*/
-static void snd_usbmidi_in_endpoint_delete(snd_usb_midi_in_endpoint_t* ep)
-{
- if (ep->urb) {
- usb_buffer_free(ep->umidi->chip->dev,
- ep->urb->transfer_buffer_length,
- ep->urb->transfer_buffer,
- ep->urb->transfer_dma);
- usb_free_urb(ep->urb);
- }
+static void snd_usbmidi_in_endpoint_delete(struct snd_usb_midi_in_endpoint* ep)
+{
+ unsigned int i;
+
+ for (i = 0; i < INPUT_URBS; ++i)
+ if (ep->urbs[i])
+ free_urb_and_buffer(ep->umidi, ep->urbs[i],
+ ep->urbs[i]->transfer_buffer_length);
kfree(ep);
}
/*
* Creates an input endpoint.
*/
-static int snd_usbmidi_in_endpoint_create(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* ep_info,
- snd_usb_midi_endpoint_t* rep)
+static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* ep_info,
+ struct snd_usb_midi_endpoint* rep)
{
- snd_usb_midi_in_endpoint_t* ep;
+ struct snd_usb_midi_in_endpoint* ep;
void* buffer;
unsigned int pipe;
int length;
+ unsigned int i;
rep->in = NULL;
ep = kzalloc(sizeof(*ep), GFP_KERNEL);
return -ENOMEM;
ep->umidi = umidi;
- ep->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!ep->urb) {
- snd_usbmidi_in_endpoint_delete(ep);
- return -ENOMEM;
+ for (i = 0; i < INPUT_URBS; ++i) {
+ ep->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+ if (!ep->urbs[i]) {
+ snd_usbmidi_in_endpoint_delete(ep);
+ return -ENOMEM;
+ }
}
if (ep_info->in_interval)
- pipe = usb_rcvintpipe(umidi->chip->dev, ep_info->in_ep);
+ pipe = usb_rcvintpipe(umidi->dev, ep_info->in_ep);
else
- pipe = usb_rcvbulkpipe(umidi->chip->dev, ep_info->in_ep);
- length = usb_maxpacket(umidi->chip->dev, pipe, 0);
- buffer = usb_buffer_alloc(umidi->chip->dev, length, GFP_KERNEL,
- &ep->urb->transfer_dma);
- if (!buffer) {
- snd_usbmidi_in_endpoint_delete(ep);
- return -ENOMEM;
+ pipe = usb_rcvbulkpipe(umidi->dev, ep_info->in_ep);
+ length = usb_maxpacket(umidi->dev, pipe, 0);
+ for (i = 0; i < INPUT_URBS; ++i) {
+ buffer = usb_buffer_alloc(umidi->dev, length, GFP_KERNEL,
+ &ep->urbs[i]->transfer_dma);
+ if (!buffer) {
+ snd_usbmidi_in_endpoint_delete(ep);
+ return -ENOMEM;
+ }
+ if (ep_info->in_interval)
+ usb_fill_int_urb(ep->urbs[i], umidi->dev,
+ pipe, buffer, length,
+ snd_usbmidi_in_urb_complete,
+ ep, ep_info->in_interval);
+ else
+ usb_fill_bulk_urb(ep->urbs[i], umidi->dev,
+ pipe, buffer, length,
+ snd_usbmidi_in_urb_complete, ep);
+ ep->urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
}
- if (ep_info->in_interval)
- usb_fill_int_urb(ep->urb, umidi->chip->dev, pipe, buffer, length,
- snd_usb_complete_callback(snd_usbmidi_in_urb_complete),
- ep, ep_info->in_interval);
- else
- usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer, length,
- snd_usb_complete_callback(snd_usbmidi_in_urb_complete),
- ep);
- ep->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
rep->in = ep;
return 0;
}
-static unsigned int snd_usbmidi_count_bits(unsigned int x)
-{
- unsigned int bits = 0;
-
- for (; x; x >>= 1)
- bits += x & 1;
- return bits;
-}
-
/*
* Frees an output endpoint.
* May be called when ep hasn't been initialized completely.
*/
-static void snd_usbmidi_out_endpoint_delete(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_out_endpoint_clear(struct snd_usb_midi_out_endpoint *ep)
{
- if (ep->urb) {
- usb_buffer_free(ep->umidi->chip->dev, ep->max_transfer,
- ep->urb->transfer_buffer,
- ep->urb->transfer_dma);
- usb_free_urb(ep->urb);
- }
+ unsigned int i;
+
+ for (i = 0; i < OUTPUT_URBS; ++i)
+ if (ep->urbs[i].urb) {
+ free_urb_and_buffer(ep->umidi, ep->urbs[i].urb,
+ ep->max_transfer);
+ ep->urbs[i].urb = NULL;
+ }
+}
+
+static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint *ep)
+{
+ snd_usbmidi_out_endpoint_clear(ep);
kfree(ep);
}
/*
* Creates an output endpoint, and initializes output ports.
*/
-static int snd_usbmidi_out_endpoint_create(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* ep_info,
- snd_usb_midi_endpoint_t* rep)
+static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* ep_info,
+ struct snd_usb_midi_endpoint* rep)
{
- snd_usb_midi_out_endpoint_t* ep;
- int i;
+ struct snd_usb_midi_out_endpoint* ep;
+ unsigned int i;
unsigned int pipe;
void* buffer;
return -ENOMEM;
ep->umidi = umidi;
- ep->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!ep->urb) {
- snd_usbmidi_out_endpoint_delete(ep);
- return -ENOMEM;
+ for (i = 0; i < OUTPUT_URBS; ++i) {
+ ep->urbs[i].urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!ep->urbs[i].urb) {
+ snd_usbmidi_out_endpoint_delete(ep);
+ return -ENOMEM;
+ }
+ ep->urbs[i].ep = ep;
}
- /* we never use interrupt output pipes */
- pipe = usb_sndbulkpipe(umidi->chip->dev, ep_info->out_ep);
- ep->max_transfer = usb_maxpacket(umidi->chip->dev, pipe, 1);
- buffer = usb_buffer_alloc(umidi->chip->dev, ep->max_transfer,
- GFP_KERNEL, &ep->urb->transfer_dma);
- if (!buffer) {
- snd_usbmidi_out_endpoint_delete(ep);
- return -ENOMEM;
+ if (ep_info->out_interval)
+ pipe = usb_sndintpipe(umidi->dev, ep_info->out_ep);
+ else
+ pipe = usb_sndbulkpipe(umidi->dev, ep_info->out_ep);
+ switch (umidi->usb_id) {
+ default:
+ ep->max_transfer = usb_maxpacket(umidi->dev, pipe, 1);
+ break;
+ /*
+ * Various chips declare a packet size larger than 4 bytes, but
+ * do not actually work with larger packets:
+ */
+ case USB_ID(0x0a92, 0x1020): /* ESI M4U */
+ case USB_ID(0x1430, 0x474b): /* RedOctane GH MIDI INTERFACE */
+ case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */
+ case USB_ID(0x15ca, 0x1806): /* Textech USB Midi Cable */
+ case USB_ID(0x1a86, 0x752d): /* QinHeng CH345 "USB2.0-MIDI" */
+ ep->max_transfer = 4;
+ break;
+ }
+ for (i = 0; i < OUTPUT_URBS; ++i) {
+ buffer = usb_buffer_alloc(umidi->dev,
+ ep->max_transfer, GFP_KERNEL,
+ &ep->urbs[i].urb->transfer_dma);
+ if (!buffer) {
+ snd_usbmidi_out_endpoint_delete(ep);
+ return -ENOMEM;
+ }
+ if (ep_info->out_interval)
+ usb_fill_int_urb(ep->urbs[i].urb, umidi->dev,
+ pipe, buffer, ep->max_transfer,
+ snd_usbmidi_out_urb_complete,
+ &ep->urbs[i], ep_info->out_interval);
+ else
+ usb_fill_bulk_urb(ep->urbs[i].urb, umidi->dev,
+ pipe, buffer, ep->max_transfer,
+ snd_usbmidi_out_urb_complete,
+ &ep->urbs[i]);
+ ep->urbs[i].urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
}
- usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer,
- ep->max_transfer,
- snd_usb_complete_callback(snd_usbmidi_out_urb_complete), ep);
- ep->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
spin_lock_init(&ep->buffer_lock);
tasklet_init(&ep->tasklet, snd_usbmidi_out_tasklet, (unsigned long)ep);
+ init_waitqueue_head(&ep->drain_wait);
for (i = 0; i < 0x10; ++i)
if (ep_info->out_cables & (1 << i)) {
/*
* Frees everything.
*/
-static void snd_usbmidi_free(snd_usb_midi_t* umidi)
+static void snd_usbmidi_free(struct snd_usb_midi* umidi)
{
int i;
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
- snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i];
+ struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
if (ep->out)
snd_usbmidi_out_endpoint_delete(ep->out);
if (ep->in)
snd_usbmidi_in_endpoint_delete(ep->in);
}
+ mutex_destroy(&umidi->mutex);
kfree(umidi);
}
*/
void snd_usbmidi_disconnect(struct list_head* p)
{
- snd_usb_midi_t* umidi;
- int i;
+ struct snd_usb_midi* umidi;
+ unsigned int i, j;
- umidi = list_entry(p, snd_usb_midi_t, list);
- del_timer_sync(&umidi->error_timer);
+ umidi = list_entry(p, struct snd_usb_midi, list);
+ /*
+ * an URB's completion handler may start the timer and
+ * a timer may submit an URB. To reliably break the cycle
+ * a flag under lock must be used
+ */
+ spin_lock_irq(&umidi->disc_lock);
+ umidi->disconnected = 1;
+ spin_unlock_irq(&umidi->disc_lock);
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
- snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i];
+ struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
if (ep->out)
tasklet_kill(&ep->out->tasklet);
- if (ep->out && ep->out->urb) {
- usb_kill_urb(ep->out->urb);
+ if (ep->out) {
+ for (j = 0; j < OUTPUT_URBS; ++j)
+ usb_kill_urb(ep->out->urbs[j].urb);
if (umidi->usb_protocol_ops->finish_out_endpoint)
umidi->usb_protocol_ops->finish_out_endpoint(ep->out);
+ ep->out->active_urbs = 0;
+ if (ep->out->drain_urbs) {
+ ep->out->drain_urbs = 0;
+ wake_up(&ep->out->drain_wait);
+ }
+ }
+ if (ep->in)
+ for (j = 0; j < INPUT_URBS; ++j)
+ usb_kill_urb(ep->in->urbs[j]);
+ /* free endpoints here; later call can result in Oops */
+ if (ep->out)
+ snd_usbmidi_out_endpoint_clear(ep->out);
+ if (ep->in) {
+ snd_usbmidi_in_endpoint_delete(ep->in);
+ ep->in = NULL;
}
- if (ep->in && ep->in->urb)
- usb_kill_urb(ep->in->urb);
}
+ del_timer_sync(&umidi->error_timer);
}
-static void snd_usbmidi_rawmidi_free(snd_rawmidi_t* rmidi)
+static void snd_usbmidi_rawmidi_free(struct snd_rawmidi *rmidi)
{
- snd_usb_midi_t* umidi = rmidi->private_data;
+ struct snd_usb_midi* umidi = rmidi->private_data;
snd_usbmidi_free(umidi);
}
-static snd_rawmidi_substream_t* snd_usbmidi_find_substream(snd_usb_midi_t* umidi,
+static struct snd_rawmidi_substream *snd_usbmidi_find_substream(struct snd_usb_midi* umidi,
int stream, int number)
{
struct list_head* list;
list_for_each(list, &umidi->rmidi->streams[stream].substreams) {
- snd_rawmidi_substream_t* substream = list_entry(list, snd_rawmidi_substream_t, list);
+ struct snd_rawmidi_substream *substream = list_entry(list, struct snd_rawmidi_substream, list);
if (substream->number == number)
return substream;
}
* "(product) MIDI (n)" schema because they aren't external MIDI ports,
* such as internal control or synthesizer ports.
*/
-static struct {
+static struct port_info {
u32 id;
- int port;
- const char *name_format;
-} snd_usbmidi_port_names[] = {
+ short int port;
+ short int voices;
+ const char *name;
+ unsigned int seq_flags;
+} snd_usbmidi_port_info[] = {
+#define PORT_INFO(vendor, product, num, name_, voices_, flags) \
+ { .id = USB_ID(vendor, product), \
+ .port = num, .voices = voices_, \
+ .name = name_, .seq_flags = flags }
+#define EXTERNAL_PORT(vendor, product, num, name) \
+ PORT_INFO(vendor, product, num, name, 0, \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | \
+ SNDRV_SEQ_PORT_TYPE_HARDWARE | \
+ SNDRV_SEQ_PORT_TYPE_PORT)
+#define CONTROL_PORT(vendor, product, num, name) \
+ PORT_INFO(vendor, product, num, name, 0, \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | \
+ SNDRV_SEQ_PORT_TYPE_HARDWARE)
+#define ROLAND_SYNTH_PORT(vendor, product, num, name, voices) \
+ PORT_INFO(vendor, product, num, name, voices, \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GM | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GM2 | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GS | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_XG | \
+ SNDRV_SEQ_PORT_TYPE_HARDWARE | \
+ SNDRV_SEQ_PORT_TYPE_SYNTHESIZER)
+#define SOUNDCANVAS_PORT(vendor, product, num, name, voices) \
+ PORT_INFO(vendor, product, num, name, voices, \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GM | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GM2 | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_GS | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_XG | \
+ SNDRV_SEQ_PORT_TYPE_MIDI_MT32 | \
+ SNDRV_SEQ_PORT_TYPE_HARDWARE | \
+ SNDRV_SEQ_PORT_TYPE_SYNTHESIZER)
/* Roland UA-100 */
- { USB_ID(0x0582, 0x0000), 2, "%s Control" },
+ CONTROL_PORT(0x0582, 0x0000, 2, "%s Control"),
/* Roland SC-8850 */
- { USB_ID(0x0582, 0x0003), 0, "%s Part A" },
- { USB_ID(0x0582, 0x0003), 1, "%s Part B" },
- { USB_ID(0x0582, 0x0003), 2, "%s Part C" },
- { USB_ID(0x0582, 0x0003), 3, "%s Part D" },
- { USB_ID(0x0582, 0x0003), 4, "%s MIDI 1" },
- { USB_ID(0x0582, 0x0003), 5, "%s MIDI 2" },
+ SOUNDCANVAS_PORT(0x0582, 0x0003, 0, "%s Part A", 128),
+ SOUNDCANVAS_PORT(0x0582, 0x0003, 1, "%s Part B", 128),
+ SOUNDCANVAS_PORT(0x0582, 0x0003, 2, "%s Part C", 128),
+ SOUNDCANVAS_PORT(0x0582, 0x0003, 3, "%s Part D", 128),
+ EXTERNAL_PORT(0x0582, 0x0003, 4, "%s MIDI 1"),
+ EXTERNAL_PORT(0x0582, 0x0003, 5, "%s MIDI 2"),
/* Roland U-8 */
- { USB_ID(0x0582, 0x0004), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x0004), 1, "%s Control" },
+ EXTERNAL_PORT(0x0582, 0x0004, 0, "%s MIDI"),
+ CONTROL_PORT(0x0582, 0x0004, 1, "%s Control"),
/* Roland SC-8820 */
- { USB_ID(0x0582, 0x0007), 0, "%s Part A" },
- { USB_ID(0x0582, 0x0007), 1, "%s Part B" },
- { USB_ID(0x0582, 0x0007), 2, "%s MIDI" },
+ SOUNDCANVAS_PORT(0x0582, 0x0007, 0, "%s Part A", 64),
+ SOUNDCANVAS_PORT(0x0582, 0x0007, 1, "%s Part B", 64),
+ EXTERNAL_PORT(0x0582, 0x0007, 2, "%s MIDI"),
/* Roland SK-500 */
- { USB_ID(0x0582, 0x000b), 0, "%s Part A" },
- { USB_ID(0x0582, 0x000b), 1, "%s Part B" },
- { USB_ID(0x0582, 0x000b), 2, "%s MIDI" },
+ SOUNDCANVAS_PORT(0x0582, 0x000b, 0, "%s Part A", 64),
+ SOUNDCANVAS_PORT(0x0582, 0x000b, 1, "%s Part B", 64),
+ EXTERNAL_PORT(0x0582, 0x000b, 2, "%s MIDI"),
/* Roland SC-D70 */
- { USB_ID(0x0582, 0x000c), 0, "%s Part A" },
- { USB_ID(0x0582, 0x000c), 1, "%s Part B" },
- { USB_ID(0x0582, 0x000c), 2, "%s MIDI" },
+ SOUNDCANVAS_PORT(0x0582, 0x000c, 0, "%s Part A", 64),
+ SOUNDCANVAS_PORT(0x0582, 0x000c, 1, "%s Part B", 64),
+ EXTERNAL_PORT(0x0582, 0x000c, 2, "%s MIDI"),
/* Edirol UM-880 */
- { USB_ID(0x0582, 0x0014), 8, "%s Control" },
+ CONTROL_PORT(0x0582, 0x0014, 8, "%s Control"),
/* Edirol SD-90 */
- { USB_ID(0x0582, 0x0016), 0, "%s Part A" },
- { USB_ID(0x0582, 0x0016), 1, "%s Part B" },
- { USB_ID(0x0582, 0x0016), 2, "%s MIDI 1" },
- { USB_ID(0x0582, 0x0016), 3, "%s MIDI 2" },
+ ROLAND_SYNTH_PORT(0x0582, 0x0016, 0, "%s Part A", 128),
+ ROLAND_SYNTH_PORT(0x0582, 0x0016, 1, "%s Part B", 128),
+ EXTERNAL_PORT(0x0582, 0x0016, 2, "%s MIDI 1"),
+ EXTERNAL_PORT(0x0582, 0x0016, 3, "%s MIDI 2"),
/* Edirol UM-550 */
- { USB_ID(0x0582, 0x0023), 5, "%s Control" },
+ CONTROL_PORT(0x0582, 0x0023, 5, "%s Control"),
/* Edirol SD-20 */
- { USB_ID(0x0582, 0x0027), 0, "%s Part A" },
- { USB_ID(0x0582, 0x0027), 1, "%s Part B" },
- { USB_ID(0x0582, 0x0027), 2, "%s MIDI" },
+ ROLAND_SYNTH_PORT(0x0582, 0x0027, 0, "%s Part A", 64),
+ ROLAND_SYNTH_PORT(0x0582, 0x0027, 1, "%s Part B", 64),
+ EXTERNAL_PORT(0x0582, 0x0027, 2, "%s MIDI"),
/* Edirol SD-80 */
- { USB_ID(0x0582, 0x0029), 0, "%s Part A" },
- { USB_ID(0x0582, 0x0029), 1, "%s Part B" },
- { USB_ID(0x0582, 0x0029), 2, "%s MIDI 1" },
- { USB_ID(0x0582, 0x0029), 3, "%s MIDI 2" },
+ ROLAND_SYNTH_PORT(0x0582, 0x0029, 0, "%s Part A", 128),
+ ROLAND_SYNTH_PORT(0x0582, 0x0029, 1, "%s Part B", 128),
+ EXTERNAL_PORT(0x0582, 0x0029, 2, "%s MIDI 1"),
+ EXTERNAL_PORT(0x0582, 0x0029, 3, "%s MIDI 2"),
/* Edirol UA-700 */
- { USB_ID(0x0582, 0x002b), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x002b), 1, "%s Control" },
+ EXTERNAL_PORT(0x0582, 0x002b, 0, "%s MIDI"),
+ CONTROL_PORT(0x0582, 0x002b, 1, "%s Control"),
/* Roland VariOS */
- { USB_ID(0x0582, 0x002f), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x002f), 1, "%s External MIDI" },
- { USB_ID(0x0582, 0x002f), 2, "%s Sync" },
+ EXTERNAL_PORT(0x0582, 0x002f, 0, "%s MIDI"),
+ EXTERNAL_PORT(0x0582, 0x002f, 1, "%s External MIDI"),
+ EXTERNAL_PORT(0x0582, 0x002f, 2, "%s Sync"),
/* Edirol PCR */
- { USB_ID(0x0582, 0x0033), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x0033), 1, "%s 1" },
- { USB_ID(0x0582, 0x0033), 2, "%s 2" },
+ EXTERNAL_PORT(0x0582, 0x0033, 0, "%s MIDI"),
+ EXTERNAL_PORT(0x0582, 0x0033, 1, "%s 1"),
+ EXTERNAL_PORT(0x0582, 0x0033, 2, "%s 2"),
/* BOSS GS-10 */
- { USB_ID(0x0582, 0x003b), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x003b), 1, "%s Control" },
+ EXTERNAL_PORT(0x0582, 0x003b, 0, "%s MIDI"),
+ CONTROL_PORT(0x0582, 0x003b, 1, "%s Control"),
/* Edirol UA-1000 */
- { USB_ID(0x0582, 0x0044), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x0044), 1, "%s Control" },
+ EXTERNAL_PORT(0x0582, 0x0044, 0, "%s MIDI"),
+ CONTROL_PORT(0x0582, 0x0044, 1, "%s Control"),
/* Edirol UR-80 */
- { USB_ID(0x0582, 0x0048), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x0048), 1, "%s 1" },
- { USB_ID(0x0582, 0x0048), 2, "%s 2" },
+ EXTERNAL_PORT(0x0582, 0x0048, 0, "%s MIDI"),
+ EXTERNAL_PORT(0x0582, 0x0048, 1, "%s 1"),
+ EXTERNAL_PORT(0x0582, 0x0048, 2, "%s 2"),
/* Edirol PCR-A */
- { USB_ID(0x0582, 0x004d), 0, "%s MIDI" },
- { USB_ID(0x0582, 0x004d), 1, "%s 1" },
- { USB_ID(0x0582, 0x004d), 2, "%s 2" },
+ EXTERNAL_PORT(0x0582, 0x004d, 0, "%s MIDI"),
+ EXTERNAL_PORT(0x0582, 0x004d, 1, "%s 1"),
+ EXTERNAL_PORT(0x0582, 0x004d, 2, "%s 2"),
+ /* Edirol UM-3EX */
+ CONTROL_PORT(0x0582, 0x009a, 3, "%s Control"),
/* M-Audio MidiSport 8x8 */
- { USB_ID(0x0763, 0x1031), 8, "%s Control" },
- { USB_ID(0x0763, 0x1033), 8, "%s Control" },
+ CONTROL_PORT(0x0763, 0x1031, 8, "%s Control"),
+ CONTROL_PORT(0x0763, 0x1033, 8, "%s Control"),
/* MOTU Fastlane */
- { USB_ID(0x07fd, 0x0001), 0, "%s MIDI A" },
- { USB_ID(0x07fd, 0x0001), 1, "%s MIDI B" },
+ EXTERNAL_PORT(0x07fd, 0x0001, 0, "%s MIDI A"),
+ EXTERNAL_PORT(0x07fd, 0x0001, 1, "%s MIDI B"),
/* Emagic Unitor8/AMT8/MT4 */
- { USB_ID(0x086a, 0x0001), 8, "%s Broadcast" },
- { USB_ID(0x086a, 0x0002), 8, "%s Broadcast" },
- { USB_ID(0x086a, 0x0003), 4, "%s Broadcast" },
+ EXTERNAL_PORT(0x086a, 0x0001, 8, "%s Broadcast"),
+ EXTERNAL_PORT(0x086a, 0x0002, 8, "%s Broadcast"),
+ EXTERNAL_PORT(0x086a, 0x0003, 4, "%s Broadcast"),
+ /* Access Music Virus TI */
+ EXTERNAL_PORT(0x133e, 0x0815, 0, "%s MIDI"),
+ PORT_INFO(0x133e, 0x0815, 1, "%s Synth", 0,
+ SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC |
+ SNDRV_SEQ_PORT_TYPE_HARDWARE |
+ SNDRV_SEQ_PORT_TYPE_SYNTHESIZER),
};
-static void snd_usbmidi_init_substream(snd_usb_midi_t* umidi,
- int stream, int number,
- snd_rawmidi_substream_t** rsubstream)
+static struct port_info *find_port_info(struct snd_usb_midi* umidi, int number)
{
int i;
+
+ for (i = 0; i < ARRAY_SIZE(snd_usbmidi_port_info); ++i) {
+ if (snd_usbmidi_port_info[i].id == umidi->usb_id &&
+ snd_usbmidi_port_info[i].port == number)
+ return &snd_usbmidi_port_info[i];
+ }
+ return NULL;
+}
+
+static void snd_usbmidi_get_port_info(struct snd_rawmidi *rmidi, int number,
+ struct snd_seq_port_info *seq_port_info)
+{
+ struct snd_usb_midi *umidi = rmidi->private_data;
+ struct port_info *port_info;
+
+ /* TODO: read port flags from descriptors */
+ port_info = find_port_info(umidi, number);
+ if (port_info) {
+ seq_port_info->type = port_info->seq_flags;
+ seq_port_info->midi_voices = port_info->voices;
+ }
+}
+
+static void snd_usbmidi_init_substream(struct snd_usb_midi* umidi,
+ int stream, int number,
+ struct snd_rawmidi_substream ** rsubstream)
+{
+ struct port_info *port_info;
const char *name_format;
- snd_rawmidi_substream_t* substream = snd_usbmidi_find_substream(umidi, stream, number);
+ struct snd_rawmidi_substream *substream = snd_usbmidi_find_substream(umidi, stream, number);
if (!substream) {
snd_printd(KERN_ERR "substream %d:%d not found\n", stream, number);
return;
}
/* TODO: read port name from jack descriptor */
- name_format = "%s MIDI %d";
- for (i = 0; i < ARRAY_SIZE(snd_usbmidi_port_names); ++i) {
- if (snd_usbmidi_port_names[i].id == umidi->chip->usb_id &&
- snd_usbmidi_port_names[i].port == number) {
- name_format = snd_usbmidi_port_names[i].name_format;
- break;
- }
- }
+ port_info = find_port_info(umidi, number);
+ name_format = port_info ? port_info->name : "%s MIDI %d";
snprintf(substream->name, sizeof(substream->name),
- name_format, umidi->chip->card->shortname, number + 1);
+ name_format, umidi->card->shortname, number + 1);
*rsubstream = substream;
}
/*
* Creates the endpoints and their ports.
*/
-static int snd_usbmidi_create_endpoints(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoints)
+static int snd_usbmidi_create_endpoints(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoints)
{
int i, j, err;
int out_ports = 0, in_ports = 0;
/*
* Returns MIDIStreaming device capabilities.
*/
-static int snd_usbmidi_get_ms_info(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoints)
+static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoints)
{
struct usb_interface* intf;
struct usb_host_interface *hostif;
if (hostif->extralen >= 7 &&
ms_header->bLength >= 7 &&
ms_header->bDescriptorType == USB_DT_CS_INTERFACE &&
- ms_header->bDescriptorSubtype == HEADER)
+ ms_header->bDescriptorSubtype == UAC_HEADER)
snd_printdd(KERN_INFO "MIDIStreaming version %02x.%02x\n",
ms_header->bcdMSC[1], ms_header->bcdMSC[0]);
else
for (i = 0; i < intfd->bNumEndpoints; ++i) {
hostep = &hostif->endpoint[i];
ep = get_ep_desc(hostep);
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
- (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep))
continue;
ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra;
if (hostep->extralen < 4 ||
ms_ep->bLength < 4 ||
ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
- ms_ep->bDescriptorSubtype != MS_GENERAL)
+ ms_ep->bDescriptorSubtype != UAC_MS_GENERAL)
continue;
- if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
+ if (usb_endpoint_dir_out(ep)) {
if (endpoints[epidx].out_ep) {
if (++epidx >= MIDI_MAX_ENDPOINTS) {
snd_printk(KERN_WARNING "too many endpoints\n");
break;
}
}
- endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ endpoints[epidx].out_ep = usb_endpoint_num(ep);
+ if (usb_endpoint_xfer_int(ep))
endpoints[epidx].out_interval = ep->bInterval;
+ else if (snd_usb_get_speed(umidi->dev) == USB_SPEED_LOW)
+ /*
+ * Low speed bulk transfers don't exist, so
+ * force interrupt transfers for devices like
+ * ESI MIDI Mate that try to use them anyway.
+ */
+ endpoints[epidx].out_interval = 1;
endpoints[epidx].out_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n",
ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);
break;
}
}
- endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ endpoints[epidx].in_ep = usb_endpoint_num(ep);
+ if (usb_endpoint_xfer_int(ep))
endpoints[epidx].in_interval = ep->bInterval;
+ else if (snd_usb_get_speed(umidi->dev) == USB_SPEED_LOW)
+ endpoints[epidx].in_interval = 1;
endpoints[epidx].in_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1;
snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n",
ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);
return 0;
}
+static int roland_load_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[] = { "High Load", "Light Load" };
+
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 2;
+ if (info->value.enumerated.item > 1)
+ info->value.enumerated.item = 1;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int roland_load_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *value)
+{
+ value->value.enumerated.item[0] = kcontrol->private_value;
+ return 0;
+}
+
+static int roland_load_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *value)
+{
+ struct snd_usb_midi* umidi = kcontrol->private_data;
+ int changed;
+
+ if (value->value.enumerated.item[0] > 1)
+ return -EINVAL;
+ mutex_lock(&umidi->mutex);
+ changed = value->value.enumerated.item[0] != kcontrol->private_value;
+ if (changed)
+ kcontrol->private_value = value->value.enumerated.item[0];
+ mutex_unlock(&umidi->mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new roland_load_ctl = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "MIDI Input Mode",
+ .info = roland_load_info,
+ .get = roland_load_get,
+ .put = roland_load_put,
+ .private_value = 1,
+};
+
/*
* On Roland devices, use the second alternate setting to be able to use
* the interrupt input endpoint.
*/
-static void snd_usbmidi_switch_roland_altsetting(snd_usb_midi_t* umidi)
+static void snd_usbmidi_switch_roland_altsetting(struct snd_usb_midi* umidi)
{
struct usb_interface* intf;
struct usb_host_interface *hostif;
snd_printdd(KERN_INFO "switching to altsetting %d with int ep\n",
intfd->bAlternateSetting);
- usb_set_interface(umidi->chip->dev, intfd->bInterfaceNumber,
+ usb_set_interface(umidi->dev, intfd->bInterfaceNumber,
intfd->bAlternateSetting);
+
+ umidi->roland_load_ctl = snd_ctl_new1(&roland_load_ctl, umidi);
+ if (snd_ctl_add(umidi->card, umidi->roland_load_ctl) < 0)
+ umidi->roland_load_ctl = NULL;
}
/*
* Try to find any usable endpoints in the interface.
*/
-static int snd_usbmidi_detect_endpoints(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoint,
+static int snd_usbmidi_detect_endpoints(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoint,
int max_endpoints)
{
struct usb_interface* intf;
struct usb_endpoint_descriptor* epd;
int i, out_eps = 0, in_eps = 0;
- if (USB_ID_VENDOR(umidi->chip->usb_id) == 0x0582)
+ if (USB_ID_VENDOR(umidi->usb_id) == 0x0582)
snd_usbmidi_switch_roland_altsetting(umidi);
if (endpoint[0].out_ep || endpoint[0].in_ep)
for (i = 0; i < intfd->bNumEndpoints; ++i) {
epd = get_endpoint(hostif, i);
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK &&
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+ if (!usb_endpoint_xfer_bulk(epd) &&
+ !usb_endpoint_xfer_int(epd))
continue;
if (out_eps < max_endpoints &&
- (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
- endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ usb_endpoint_dir_out(epd)) {
+ endpoint[out_eps].out_ep = usb_endpoint_num(epd);
+ if (usb_endpoint_xfer_int(epd))
endpoint[out_eps].out_interval = epd->bInterval;
++out_eps;
}
if (in_eps < max_endpoints &&
- (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
- endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)
+ usb_endpoint_dir_in(epd)) {
+ endpoint[in_eps].in_ep = usb_endpoint_num(epd);
+ if (usb_endpoint_xfer_int(epd))
endpoint[in_eps].in_interval = epd->bInterval;
++in_eps;
}
/*
* Detects the endpoints for one-port-per-endpoint protocols.
*/
-static int snd_usbmidi_detect_per_port_endpoints(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoints)
+static int snd_usbmidi_detect_per_port_endpoints(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoints)
{
int err, i;
/*
* Detects the endpoints and ports of Yamaha devices.
*/
-static int snd_usbmidi_detect_yamaha(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoint)
+static int snd_usbmidi_detect_yamaha(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoint)
{
struct usb_interface* intf;
struct usb_host_interface *hostif;
for (cs_desc = hostif->extra;
cs_desc < hostif->extra + hostif->extralen && cs_desc[0] >= 2;
cs_desc += cs_desc[0]) {
- if (cs_desc[1] == CS_AUDIO_INTERFACE) {
- if (cs_desc[2] == MIDI_IN_JACK)
+ if (cs_desc[1] == USB_DT_CS_INTERFACE) {
+ if (cs_desc[2] == UAC_MIDI_IN_JACK)
endpoint->in_cables = (endpoint->in_cables << 1) | 1;
- else if (cs_desc[2] == MIDI_OUT_JACK)
+ else if (cs_desc[2] == UAC_MIDI_OUT_JACK)
endpoint->out_cables = (endpoint->out_cables << 1) | 1;
}
}
/*
* Creates the endpoints and their ports for Midiman devices.
*/
-static int snd_usbmidi_create_endpoints_midiman(snd_usb_midi_t* umidi,
- snd_usb_midi_endpoint_info_t* endpoint)
+static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi* umidi,
+ struct snd_usb_midi_endpoint_info* endpoint)
{
- snd_usb_midi_endpoint_info_t ep_info;
+ struct snd_usb_midi_endpoint_info ep_info;
struct usb_interface* intf;
struct usb_host_interface *hostif;
struct usb_interface_descriptor* intfd;
}
epd = get_endpoint(hostif, 0);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
+ if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) {
snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n");
return -ENXIO;
}
epd = get_endpoint(hostif, 2);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+ if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) {
snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n");
return -ENXIO;
}
if (endpoint->out_cables > 0x0001) {
epd = get_endpoint(hostif, 4);
- if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT ||
- (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) {
+ if (!usb_endpoint_dir_out(epd) ||
+ !usb_endpoint_xfer_bulk(epd)) {
snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n");
return -ENXIO;
}
}
ep_info.out_ep = get_endpoint(hostif, 2)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ ep_info.out_interval = 0;
ep_info.out_cables = endpoint->out_cables & 0x5555;
err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]);
if (err < 0)
return 0;
}
-static int snd_usbmidi_create_rawmidi(snd_usb_midi_t* umidi,
+static struct snd_rawmidi_global_ops snd_usbmidi_ops = {
+ .get_port_info = snd_usbmidi_get_port_info,
+};
+
+static int snd_usbmidi_create_rawmidi(struct snd_usb_midi* umidi,
int out_ports, int in_ports)
{
- snd_rawmidi_t* rmidi;
+ struct snd_rawmidi *rmidi;
int err;
- err = snd_rawmidi_new(umidi->chip->card, "USB MIDI",
- umidi->chip->next_midi_device++,
+ err = snd_rawmidi_new(umidi->card, "USB MIDI",
+ umidi->next_midi_device++,
out_ports, in_ports, &rmidi);
if (err < 0)
return err;
- strcpy(rmidi->name, umidi->chip->card->shortname);
+ strcpy(rmidi->name, umidi->card->shortname);
rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
SNDRV_RAWMIDI_INFO_INPUT |
SNDRV_RAWMIDI_INFO_DUPLEX;
+ rmidi->ops = &snd_usbmidi_ops;
rmidi->private_data = umidi;
rmidi->private_free = snd_usbmidi_rawmidi_free;
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_usbmidi_output_ops);
*/
void snd_usbmidi_input_stop(struct list_head* p)
{
- snd_usb_midi_t* umidi;
- int i;
+ struct snd_usb_midi* umidi;
+ unsigned int i, j;
- umidi = list_entry(p, snd_usb_midi_t, list);
+ umidi = list_entry(p, struct snd_usb_midi, list);
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
- snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i];
+ struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
if (ep->in)
- usb_kill_urb(ep->in->urb);
+ for (j = 0; j < INPUT_URBS; ++j)
+ usb_kill_urb(ep->in->urbs[j]);
}
}
-static void snd_usbmidi_input_start_ep(snd_usb_midi_in_endpoint_t* ep)
+static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep)
{
- if (ep) {
- struct urb* urb = ep->urb;
- urb->dev = ep->umidi->chip->dev;
+ unsigned int i;
+
+ if (!ep)
+ return;
+ for (i = 0; i < INPUT_URBS; ++i) {
+ struct urb* urb = ep->urbs[i];
+ urb->dev = ep->umidi->dev;
snd_usbmidi_submit_urb(urb, GFP_KERNEL);
}
}
*/
void snd_usbmidi_input_start(struct list_head* p)
{
- snd_usb_midi_t* umidi;
+ struct snd_usb_midi* umidi;
int i;
- umidi = list_entry(p, snd_usb_midi_t, list);
+ umidi = list_entry(p, struct snd_usb_midi, list);
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
snd_usbmidi_input_start_ep(umidi->endpoints[i].in);
}
/*
* Creates and registers everything needed for a MIDI streaming interface.
*/
-int snd_usb_create_midi_interface(snd_usb_audio_t* chip,
- struct usb_interface* iface,
- const snd_usb_audio_quirk_t* quirk)
+int snd_usbmidi_create(struct snd_card *card,
+ struct usb_interface* iface,
+ struct list_head *midi_list,
+ const struct snd_usb_audio_quirk* quirk)
{
- snd_usb_midi_t* umidi;
- snd_usb_midi_endpoint_info_t endpoints[MIDI_MAX_ENDPOINTS];
+ struct snd_usb_midi* umidi;
+ struct snd_usb_midi_endpoint_info endpoints[MIDI_MAX_ENDPOINTS];
int out_ports, in_ports;
int i, err;
umidi = kzalloc(sizeof(*umidi), GFP_KERNEL);
if (!umidi)
return -ENOMEM;
- umidi->chip = chip;
+ umidi->dev = interface_to_usbdev(iface);
+ umidi->card = card;
umidi->iface = iface;
umidi->quirk = quirk;
umidi->usb_protocol_ops = &snd_usbmidi_standard_ops;
init_timer(&umidi->error_timer);
+ spin_lock_init(&umidi->disc_lock);
+ mutex_init(&umidi->mutex);
+ umidi->usb_id = USB_ID(le16_to_cpu(umidi->dev->descriptor.idVendor),
+ le16_to_cpu(umidi->dev->descriptor.idProduct));
umidi->error_timer.function = snd_usbmidi_error_timer;
umidi->error_timer.data = (unsigned long)umidi;
/* detect the endpoint(s) to use */
memset(endpoints, 0, sizeof(endpoints));
- if (!quirk) {
+ switch (quirk ? quirk->type : QUIRK_MIDI_STANDARD_INTERFACE) {
+ case QUIRK_MIDI_STANDARD_INTERFACE:
err = snd_usbmidi_get_ms_info(umidi, endpoints);
- } else {
- switch (quirk->type) {
- case QUIRK_MIDI_FIXED_ENDPOINT:
- memcpy(&endpoints[0], quirk->data,
- sizeof(snd_usb_midi_endpoint_info_t));
- err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
- break;
- case QUIRK_MIDI_YAMAHA:
- err = snd_usbmidi_detect_yamaha(umidi, &endpoints[0]);
- break;
- case QUIRK_MIDI_MIDIMAN:
- umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops;
- memcpy(&endpoints[0], quirk->data,
- sizeof(snd_usb_midi_endpoint_info_t));
- err = 0;
- break;
- case QUIRK_MIDI_NOVATION:
- umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
- err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
- break;
- case QUIRK_MIDI_RAW:
- umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
- err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
- break;
- case QUIRK_MIDI_EMAGIC:
- umidi->usb_protocol_ops = &snd_usbmidi_emagic_ops;
- memcpy(&endpoints[0], quirk->data,
- sizeof(snd_usb_midi_endpoint_info_t));
- err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
- break;
- case QUIRK_MIDI_MIDITECH:
- err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
- break;
- default:
- snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
- err = -ENXIO;
- break;
- }
+ if (umidi->usb_id == USB_ID(0x0763, 0x0150)) /* M-Audio Uno */
+ umidi->usb_protocol_ops =
+ &snd_usbmidi_maudio_broken_running_status_ops;
+ break;
+ case QUIRK_MIDI_US122L:
+ umidi->usb_protocol_ops = &snd_usbmidi_122l_ops;
+ /* fall through */
+ case QUIRK_MIDI_FIXED_ENDPOINT:
+ memcpy(&endpoints[0], quirk->data,
+ sizeof(struct snd_usb_midi_endpoint_info));
+ err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
+ break;
+ case QUIRK_MIDI_YAMAHA:
+ err = snd_usbmidi_detect_yamaha(umidi, &endpoints[0]);
+ break;
+ case QUIRK_MIDI_MIDIMAN:
+ umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops;
+ memcpy(&endpoints[0], quirk->data,
+ sizeof(struct snd_usb_midi_endpoint_info));
+ err = 0;
+ break;
+ case QUIRK_MIDI_NOVATION:
+ umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
+ err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+ break;
+ case QUIRK_MIDI_FASTLANE:
+ umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
+ /*
+ * Interface 1 contains isochronous endpoints, but with the same
+ * numbers as in interface 0. Since it is interface 1 that the
+ * USB core has most recently seen, these descriptors are now
+ * associated with the endpoint numbers. This will foul up our
+ * attempts to submit bulk/interrupt URBs to the endpoints in
+ * interface 0, so we have to make sure that the USB core looks
+ * again at interface 0 by calling usb_set_interface() on it.
+ */
+ usb_set_interface(umidi->dev, 0, 0);
+ err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+ break;
+ case QUIRK_MIDI_EMAGIC:
+ umidi->usb_protocol_ops = &snd_usbmidi_emagic_ops;
+ memcpy(&endpoints[0], quirk->data,
+ sizeof(struct snd_usb_midi_endpoint_info));
+ err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
+ break;
+ case QUIRK_MIDI_CME:
+ umidi->usb_protocol_ops = &snd_usbmidi_cme_ops;
+ err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+ break;
+ default:
+ snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
+ err = -ENXIO;
+ break;
}
if (err < 0) {
kfree(umidi);
out_ports = 0;
in_ports = 0;
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
- out_ports += snd_usbmidi_count_bits(endpoints[i].out_cables);
- in_ports += snd_usbmidi_count_bits(endpoints[i].in_cables);
+ out_ports += hweight16(endpoints[i].out_cables);
+ in_ports += hweight16(endpoints[i].in_cables);
}
err = snd_usbmidi_create_rawmidi(umidi, out_ports, in_ports);
if (err < 0) {
return err;
}
- list_add(&umidi->list, &umidi->chip->midi_list);
+ list_add_tail(&umidi->list, midi_list);
for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
snd_usbmidi_input_start_ep(umidi->endpoints[i].in);
return 0;
}
-EXPORT_SYMBOL(snd_usb_create_midi_interface);
+EXPORT_SYMBOL(snd_usbmidi_create);
EXPORT_SYMBOL(snd_usbmidi_input_stop);
EXPORT_SYMBOL(snd_usbmidi_input_start);
EXPORT_SYMBOL(snd_usbmidi_disconnect);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff