#include <linux/string.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/timer.h>
#include <linux/usb.h>
#include <sound/core.h>
-#include <sound/minors.h>
#include <sound/rawmidi.h>
#include "usbaudio.h"
*/
/* #define DUMP_PACKETS */
+/*
+ * how long to wait after some USB errors, so that khubd can disconnect() us
+ * without too many spurious errors
+ */
+#define ERROR_DELAY_JIFFIES (HZ / 10)
+
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*);
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 snd_usb_audio *chip;
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;
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;
};
struct snd_usb_midi_out_endpoint {
- snd_usb_midi_t* umidi;
+ struct snd_usb_midi* umidi;
struct urb* urb;
int urb_active;
int max_transfer; /* size of urb buffer */
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;
};
struct snd_usb_midi_in_endpoint {
- snd_usb_midi_t* umidi;
+ struct snd_usb_midi* umidi;
struct urb* urb;
struct usbmidi_in_port {
- snd_rawmidi_substream_t* substream;
+ struct snd_rawmidi_substream *substream;
} ports[0x10];
- int seen_f5;
+ 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)
*/
static int snd_usbmidi_urb_error(int status)
{
- if (status == -ENOENT)
- return status; /* killed */
- if (status == -EILSEQ ||
- status == -ECONNRESET ||
- status == -ETIMEDOUT)
- return -ENODEV; /* device removed/shutdown */
- snd_printk(KERN_ERR "urb status %d\n", status);
- return 0; /* continue */
+ switch (status) {
+ /* manually unlinked, or device gone */
+ case -ENOENT:
+ case -ECONNRESET:
+ case -ESHUTDOWN:
+ case -ENODEV:
+ return -ENODEV;
+ /* errors that might occur during unplugging */
+ case -EPROTO: /* EHCI */
+ case -ETIMEDOUT: /* OHCI */
+ case -EILSEQ: /* UHCI */
+ return -EIO;
+ default:
+ snd_printk(KERN_ERR "urb status %d\n", status);
+ return 0; /* continue */
+ }
}
/*
* 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);
*/
static void snd_usbmidi_in_urb_complete(struct urb* urb, struct pt_regs *regs)
{
- 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);
ep->umidi->usb_protocol_ops->input(ep, urb->transfer_buffer,
urb->actual_length);
} else {
- if (snd_usbmidi_urb_error(urb->status) < 0)
+ int err = snd_usbmidi_urb_error(urb->status);
+ if (err < 0) {
+ if (err != -ENODEV) {
+ ep->error_resubmit = 1;
+ mod_timer(&ep->umidi->error_timer,
+ jiffies + ERROR_DELAY_JIFFIES);
+ }
return;
+ }
}
- if (usb_pipe_needs_resubmit(urb->pipe)) {
- urb->dev = ep->umidi->chip->dev;
- snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
- }
+ urb->dev = ep->umidi->chip->dev;
+ snd_usbmidi_submit_urb(urb, GFP_ATOMIC);
}
static void snd_usbmidi_out_urb_complete(struct urb* urb, struct pt_regs *regs)
{
- snd_usb_midi_out_endpoint_t* ep = urb->context;
+ struct snd_usb_midi_out_endpoint* ep = urb->context;
spin_lock(&ep->buffer_lock);
ep->urb_active = 0;
spin_unlock(&ep->buffer_lock);
if (urb->status < 0) {
- if (snd_usbmidi_urb_error(urb->status) < 0)
+ int err = snd_usbmidi_urb_error(urb->status);
+ if (err < 0) {
+ if (err != -ENODEV)
+ mod_timer(&ep->umidi->error_timer,
+ jiffies + ERROR_DELAY_JIFFIES);
return;
+ }
}
snd_usbmidi_do_output(ep);
}
* 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 long 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)
+{
+ struct snd_usb_midi *umidi = (struct snd_usb_midi *)data;
+ int i;
+
+ for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
+ 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);
+ }
+ if (umidi->endpoints[i].out)
+ snd_usbmidi_do_output(umidi->endpoints[i].out);
+ }
+}
+
/* 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;
* 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;
/*
* 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 = 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) {
* 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)
{
uint8_t* transfer_buffer;
int count;
};
/*
- * Mark of the Unicorn USB MIDI protocol: raw MIDI.
+ * "raw" protocol: used by the MOTU FastLane.
*/
-static void snd_usbmidi_motu_input(snd_usb_midi_in_endpoint_t* ep,
- uint8_t* buffer, int buffer_length)
+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_motu_output(snd_usb_midi_out_endpoint_t* ep)
+static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint* ep)
{
int count;
ep->urb->transfer_buffer_length = count;
}
-static struct usb_protocol_ops snd_usbmidi_motu_ops = {
- .input = snd_usbmidi_motu_input,
- .output = snd_usbmidi_motu_output,
+static struct usb_protocol_ops snd_usbmidi_raw_ops = {
+ .input = snd_usbmidi_raw_input,
+ .output = snd_usbmidi_raw_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)
{
- /* ignore padding bytes at end of buffer */
- while (buffer_length > 0 && buffer[buffer_length - 1] == 0xff)
- --buffer_length;
+ int i;
+
+ /* FF indicates end of valid data */
+ for (i = 0; i < buffer_length; ++i)
+ if (buffer[i] == 0xff) {
+ buffer_length = i;
+ break;
+ }
/* handle F5 at end of last buffer */
if (ep->seen_f5)
goto switch_port;
while (buffer_length > 0) {
- int i;
-
/* determine size of data until next F5 */
for (i = 0; i < buffer_length; ++i)
if (buffer[i] == 0xf5)
}
}
-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)
{
int port0 = ep->current_port;
uint8_t* buf = ep->urb->transfer_buffer;
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;
break;
}
}
+ if (buf_free < ep->max_transfer && buf_free > 0) {
+ *buf = 0xff;
+ --buf_free;
+ }
ep->urb->transfer_buffer_length = ep->max_transfer - buf_free;
}
};
-static int snd_usbmidi_output_open(snd_rawmidi_substream_t* substream)
+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)
return 0;
}
-static int snd_usbmidi_output_close(snd_rawmidi_substream_t* substream)
+static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream)
{
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) {
}
}
-static int snd_usbmidi_input_open(snd_rawmidi_substream_t* substream)
+static int snd_usbmidi_input_open(struct snd_rawmidi_substream *substream)
{
return 0;
}
-static int snd_usbmidi_input_close(snd_rawmidi_substream_t* substream)
+static int snd_usbmidi_input_close(struct snd_rawmidi_substream *substream)
{
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,
};
-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
* 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)
+static void snd_usbmidi_in_endpoint_delete(struct snd_usb_midi_in_endpoint* ep)
{
if (ep->urb) {
- kfree(ep->urb->transfer_buffer);
+ 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);
}
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;
rep->in = NULL;
- ep = kcalloc(1, sizeof(*ep), GFP_KERNEL);
+ ep = kzalloc(sizeof(*ep), GFP_KERNEL);
if (!ep)
return -ENOMEM;
ep->umidi = umidi;
else
pipe = usb_rcvbulkpipe(umidi->chip->dev, ep_info->in_ep);
length = usb_maxpacket(umidi->chip->dev, pipe, 0);
- buffer = kmalloc(length, GFP_KERNEL);
+ buffer = usb_buffer_alloc(umidi->chip->dev, length, GFP_KERNEL,
+ &ep->urb->transfer_dma);
if (!buffer) {
snd_usbmidi_in_endpoint_delete(ep);
return -ENOMEM;
}
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);
+ usb_fill_int_urb(ep->urb, umidi->chip->dev, pipe, buffer,
+ length, 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);
+ usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer,
+ length, 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;
+ unsigned int bits;
- for (; x; x >>= 1)
- bits += x & 1;
+ for (bits = 0; x; ++bits)
+ x &= 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_delete(struct snd_usb_midi_out_endpoint* ep)
{
- if (ep->tasklet.func)
- tasklet_kill(&ep->tasklet);
if (ep->urb) {
- kfree(ep->urb->transfer_buffer);
+ usb_buffer_free(ep->umidi->chip->dev, ep->max_transfer,
+ ep->urb->transfer_buffer,
+ ep->urb->transfer_dma);
usb_free_urb(ep->urb);
}
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;
+ struct snd_usb_midi_out_endpoint* ep;
int i;
unsigned int pipe;
void* buffer;
rep->out = NULL;
- ep = kcalloc(1, sizeof(*ep), GFP_KERNEL);
+ ep = kzalloc(sizeof(*ep), GFP_KERNEL);
if (!ep)
return -ENOMEM;
ep->umidi = umidi;
/* 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 = kmalloc(ep->max_transfer, GFP_KERNEL);
+ 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;
}
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->max_transfer, 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);
/*
* 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)
/*
* Unlinks all URBs (must be done before the usb_device is deleted).
*/
-void snd_usbmidi_disconnect(struct list_head* p, struct usb_driver *driver)
+void snd_usbmidi_disconnect(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);
+ del_timer_sync(&umidi->error_timer);
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 (umidi->usb_protocol_ops->finish_out_endpoint)
}
}
-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;
}
* such as internal control or synthesizer ports.
*/
static struct {
- __u16 vendor;
- __u16 product;
+ u32 id;
int port;
const char *name_format;
} snd_usbmidi_port_names[] = {
/* Roland UA-100 */
- {0x0582, 0x0000, 2, "%s Control"},
+ { USB_ID(0x0582, 0x0000), 2, "%s Control" },
/* Roland SC-8850 */
- {0x0582, 0x0003, 0, "%s Part A"},
- {0x0582, 0x0003, 1, "%s Part B"},
- {0x0582, 0x0003, 2, "%s Part C"},
- {0x0582, 0x0003, 3, "%s Part D"},
- {0x0582, 0x0003, 4, "%s MIDI 1"},
- {0x0582, 0x0003, 5, "%s MIDI 2"},
+ { 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" },
/* Roland U-8 */
- {0x0582, 0x0004, 0, "%s MIDI"},
- {0x0582, 0x0004, 1, "%s Control"},
+ { USB_ID(0x0582, 0x0004), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x0004), 1, "%s Control" },
/* Roland SC-8820 */
- {0x0582, 0x0007, 0, "%s Part A"},
- {0x0582, 0x0007, 1, "%s Part B"},
- {0x0582, 0x0007, 2, "%s MIDI"},
+ { USB_ID(0x0582, 0x0007), 0, "%s Part A" },
+ { USB_ID(0x0582, 0x0007), 1, "%s Part B" },
+ { USB_ID(0x0582, 0x0007), 2, "%s MIDI" },
/* Roland SK-500 */
- {0x0582, 0x000b, 0, "%s Part A"},
- {0x0582, 0x000b, 1, "%s Part B"},
- {0x0582, 0x000b, 2, "%s MIDI"},
+ { USB_ID(0x0582, 0x000b), 0, "%s Part A" },
+ { USB_ID(0x0582, 0x000b), 1, "%s Part B" },
+ { USB_ID(0x0582, 0x000b), 2, "%s MIDI" },
/* Roland SC-D70 */
- {0x0582, 0x000c, 0, "%s Part A"},
- {0x0582, 0x000c, 1, "%s Part B"},
- {0x0582, 0x000c, 2, "%s MIDI"},
+ { USB_ID(0x0582, 0x000c), 0, "%s Part A" },
+ { USB_ID(0x0582, 0x000c), 1, "%s Part B" },
+ { USB_ID(0x0582, 0x000c), 2, "%s MIDI" },
/* Edirol UM-880 */
- {0x0582, 0x0014, 8, "%s Control"},
+ { USB_ID(0x0582, 0x0014), 8, "%s Control" },
/* Edirol SD-90 */
- {0x0582, 0x0016, 0, "%s Part A"},
- {0x0582, 0x0016, 1, "%s Part B"},
- {0x0582, 0x0016, 2, "%s MIDI 1"},
- {0x0582, 0x0016, 3, "%s MIDI 2"},
+ { 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" },
/* Edirol UM-550 */
- {0x0582, 0x0023, 5, "%s Control"},
+ { USB_ID(0x0582, 0x0023), 5, "%s Control" },
/* Edirol SD-20 */
- {0x0582, 0x0027, 0, "%s Part A"},
- {0x0582, 0x0027, 1, "%s Part B"},
- {0x0582, 0x0027, 2, "%s MIDI"},
+ { USB_ID(0x0582, 0x0027), 0, "%s Part A" },
+ { USB_ID(0x0582, 0x0027), 1, "%s Part B" },
+ { USB_ID(0x0582, 0x0027), 2, "%s MIDI" },
/* Edirol SD-80 */
- {0x0582, 0x0029, 0, "%s Part A"},
- {0x0582, 0x0029, 1, "%s Part B"},
- {0x0582, 0x0029, 2, "%s MIDI 1"},
- {0x0582, 0x0029, 3, "%s MIDI 2"},
+ { 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" },
/* Edirol UA-700 */
- {0x0582, 0x002b, 0, "%s MIDI"},
- {0x0582, 0x002b, 1, "%s Control"},
+ { USB_ID(0x0582, 0x002b), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x002b), 1, "%s Control" },
/* Roland VariOS */
- {0x0582, 0x002f, 0, "%s MIDI"},
- {0x0582, 0x002f, 1, "%s External MIDI"},
- {0x0582, 0x002f, 2, "%s Sync"},
+ { USB_ID(0x0582, 0x002f), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x002f), 1, "%s External MIDI" },
+ { USB_ID(0x0582, 0x002f), 2, "%s Sync" },
/* Edirol PCR */
- {0x0582, 0x0033, 0, "%s MIDI"},
- {0x0582, 0x0033, 1, "%s 1"},
- {0x0582, 0x0033, 2, "%s 2"},
+ { USB_ID(0x0582, 0x0033), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x0033), 1, "%s 1" },
+ { USB_ID(0x0582, 0x0033), 2, "%s 2" },
/* BOSS GS-10 */
- {0x0582, 0x003b, 0, "%s MIDI"},
- {0x0582, 0x003b, 1, "%s Control"},
+ { USB_ID(0x0582, 0x003b), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x003b), 1, "%s Control" },
/* Edirol UA-1000 */
- {0x0582, 0x0044, 0, "%s MIDI"},
- {0x0582, 0x0044, 1, "%s Control"},
+ { USB_ID(0x0582, 0x0044), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x0044), 1, "%s Control" },
/* Edirol UR-80 */
- {0x0582, 0x0048, 0, "%s MIDI"},
- {0x0582, 0x0048, 1, "%s 1"},
- {0x0582, 0x0048, 2, "%s 2"},
+ { USB_ID(0x0582, 0x0048), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x0048), 1, "%s 1" },
+ { USB_ID(0x0582, 0x0048), 2, "%s 2" },
/* Edirol PCR-A */
- {0x0582, 0x004d, 0, "%s MIDI"},
- {0x0582, 0x004d, 1, "%s 1"},
- {0x0582, 0x004d, 2, "%s 2"},
+ { USB_ID(0x0582, 0x004d), 0, "%s MIDI" },
+ { USB_ID(0x0582, 0x004d), 1, "%s 1" },
+ { USB_ID(0x0582, 0x004d), 2, "%s 2" },
+ /* Edirol UM-3EX */
+ { USB_ID(0x0582, 0x009a), 3, "%s Control" },
/* M-Audio MidiSport 8x8 */
- {0x0763, 0x1031, 8, "%s Control"},
- {0x0763, 0x1033, 8, "%s Control"},
+ { USB_ID(0x0763, 0x1031), 8, "%s Control" },
+ { USB_ID(0x0763, 0x1033), 8, "%s Control" },
/* MOTU Fastlane */
- {0x07fd, 0x0001, 0, "%s MIDI A"},
- {0x07fd, 0x0001, 1, "%s MIDI B"},
+ { USB_ID(0x07fd, 0x0001), 0, "%s MIDI A" },
+ { USB_ID(0x07fd, 0x0001), 1, "%s MIDI B" },
/* Emagic Unitor8/AMT8/MT4 */
- {0x086a, 0x0001, 8, "%s Broadcast"},
- {0x086a, 0x0002, 8, "%s Broadcast"},
- {0x086a, 0x0003, 4, "%s Broadcast"},
+ { USB_ID(0x086a, 0x0001), 8, "%s Broadcast" },
+ { USB_ID(0x086a, 0x0002), 8, "%s Broadcast" },
+ { USB_ID(0x086a, 0x0003), 4, "%s Broadcast" },
};
-static void snd_usbmidi_init_substream(snd_usb_midi_t* umidi,
+static void snd_usbmidi_init_substream(struct snd_usb_midi* umidi,
int stream, int number,
- snd_rawmidi_substream_t** rsubstream)
+ struct snd_rawmidi_substream ** rsubstream)
{
int i;
- __u16 vendor, product;
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";
- vendor = le16_to_cpu(umidi->chip->dev->descriptor.idVendor);
- product = le16_to_cpu(umidi->chip->dev->descriptor.idProduct);
for (i = 0; i < ARRAY_SIZE(snd_usbmidi_port_names); ++i) {
- if (snd_usbmidi_port_names[i].vendor == vendor &&
- snd_usbmidi_port_names[i].product == product &&
+ 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;
/*
* 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;
* 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;
/*
* 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 (le16_to_cpu(umidi->chip->dev->descriptor.idVendor) == 0x0582)
+ if (USB_ID_VENDOR(umidi->chip->usb_id) == 0x0582)
snd_usbmidi_switch_roland_altsetting(umidi);
+ if (endpoint[0].out_ep || endpoint[0].in_ep)
+ return 0;
+
intf = umidi->iface;
if (!intf || intf->num_altsetting < 1)
return -ENOENT;
/*
* 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;
/*
* 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;
return 0;
}
-static int snd_usbmidi_create_rawmidi(snd_usb_midi_t* umidi,
+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",
*/
void snd_usbmidi_input_stop(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_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);
}
}
-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;
*/
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,
+int snd_usb_create_midi_interface(struct snd_usb_audio* chip,
struct usb_interface* iface,
- const snd_usb_audio_quirk_t* quirk)
+ 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 = kcalloc(1, sizeof(*umidi), GFP_KERNEL);
+ umidi = kzalloc(sizeof(*umidi), GFP_KERNEL);
if (!umidi)
return -ENOMEM;
umidi->chip = chip;
umidi->iface = iface;
umidi->quirk = quirk;
umidi->usb_protocol_ops = &snd_usbmidi_standard_ops;
+ init_timer(&umidi->error_timer);
+ 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_MOTU:
- umidi->usb_protocol_ops = &snd_usbmidi_motu_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;
- default:
- snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
- err = -ENXIO;
- break;
- }
+ break;
+ 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_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(struct snd_usb_midi_endpoint_info));
+ err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
+ break;
+ case QUIRK_MIDI_CME:
+ 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);
git://git.onelab.eu / linux-2.6.git / blobdiff