#include <linux/usb.h>
#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
-#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */
static int nrpacks = 4; /* max. number of packets per urb */
static int async_unlink = 1;
-static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB.");
module_param(async_unlink, bool, 0444);
MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
-module_param_array(device_setup, int, NULL, 0444);
-MODULE_PARM_DESC(device_setup, "Specific device setup (if needed).");
/*
* the all interfaces on the same card as one sound device.
*/
-static DEFINE_MUTEX(register_mutex);
+static DECLARE_MUTEX(register_mutex);
static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
return 0;
}
-/* determine the number of frames in the next packet */
-static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs)
-{
- if (subs->fill_max)
- return subs->maxframesize;
- else {
- subs->phase = (subs->phase & 0xffff)
- + (subs->freqm << subs->datainterval);
- return min(subs->phase >> 16, subs->maxframesize);
- }
-}
-
/*
* Prepare urb for streaming before playback starts.
*
urb->dev = ctx->subs->dev;
urb->number_of_packets = subs->packs_per_ms;
for (i = 0; i < subs->packs_per_ms; ++i) {
- counts = snd_usb_audio_next_packet_size(subs);
+ /* calculate the size of a packet */
+ if (subs->fill_max)
+ counts = subs->maxframesize; /* fixed */
+ else {
+ subs->phase = (subs->phase & 0xffff)
+ + (subs->freqm << subs->datainterval);
+ counts = subs->phase >> 16;
+ if (counts > subs->maxframesize)
+ counts = subs->maxframesize;
+ }
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
urb->number_of_packets = 0;
spin_lock_irqsave(&subs->lock, flags);
for (i = 0; i < ctx->packets; i++) {
- counts = snd_usb_audio_next_packet_size(subs);
+ /* calculate the size of a packet */
+ if (subs->fill_max)
+ counts = subs->maxframesize; /* fixed */
+ else {
+ subs->phase = (subs->phase & 0xffff)
+ + (subs->freqm << subs->datainterval);
+ counts = subs->phase >> 16;
+ if (counts > subs->maxframesize)
+ counts = subs->maxframesize;
+ }
/* set up descriptor */
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
{
struct snd_pcm_runtime *runtime = subs->runtime;
-
- vfree(runtime->dma_area);
- runtime->dma_area = NULL;
+ if (runtime->dma_area) {
+ vfree(runtime->dma_area);
+ runtime->dma_area = NULL;
+ }
return 0;
}
}
-static const char *usb_error_string(int err)
-{
- switch (err) {
- case -ENODEV:
- return "no device";
- case -ENOENT:
- return "endpoint not enabled";
- case -EPIPE:
- return "endpoint stalled";
- case -ENOSPC:
- return "not enough bandwidth";
- case -ESHUTDOWN:
- return "device disabled";
- case -EHOSTUNREACH:
- return "device suspended";
-#ifndef CONFIG_USB_EHCI_SPLIT_ISO
- case -ENOSYS:
- return "enable CONFIG_USB_EHCI_SPLIT_ISO to play through a hub";
-#endif
- case -EINVAL:
- case -EAGAIN:
- case -EFBIG:
- case -EMSGSIZE:
- return "internal error";
- default:
- return "unknown error";
- }
-}
-
/*
* set up and start data/sync urbs
*/
subs->unlink_mask = 0;
subs->running = 1;
for (i = 0; i < subs->nurbs; i++) {
- err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC);
- if (err < 0) {
- snd_printk(KERN_ERR "cannot submit datapipe "
- "for urb %d, error %d: %s\n",
- i, err, usb_error_string(err));
+ if ((err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC)) < 0) {
+ snd_printk(KERN_ERR "cannot submit datapipe for urb %d, err = %d\n", i, err);
goto __error;
}
set_bit(i, &subs->active_mask);
}
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
- err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC);
- if (err < 0) {
- snd_printk(KERN_ERR "cannot submit syncpipe "
- "for urb %d, error %d: %s\n",
- i, err, usb_error_string(err));
+ if ((err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC)) < 0) {
+ snd_printk(KERN_ERR "cannot submit syncpipe for urb %d, err = %d\n", i, err);
goto __error;
}
set_bit(i + 16, &subs->active_mask);
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
if (! fmt) {
- snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
- format, rate, channels);
+ snd_printd(KERN_DEBUG "cannot set format: format = %s, rate = %d, channels = %d\n",
+ snd_pcm_format_name(format), rate, channels);
return -EINVAL;
}
};
-#if defined(CONFIG_PROCFS) && defined(CONFIG_SND_VERBOSE_PROCFS)
-
/*
* proc interface for list the supported pcm formats
*/
fp = list_entry(p, struct audioformat, list);
snd_iprintf(buffer, " Interface %d\n", fp->iface);
snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
- snd_iprintf(buffer, " Format: 0x%x\n", fp->format);
+ snd_iprintf(buffer, " Format: %s\n", snd_pcm_format_name(fp->format));
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
snd_info_set_text_ops(entry, stream, 1024, proc_pcm_format_read);
}
-#else
-
-static inline void proc_pcm_format_add(struct snd_usb_stream *stream)
-{
-}
-
-#endif
/*
* initialize the substream instance.
return 0;
}
-static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
- int iface, int altno);
static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
{
struct usb_device *dev;
stream = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN) ?
SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
altno = altsd->bAlternateSetting;
-
- /* audiophile usb: skip altsets incompatible with device_setup
- */
- if (chip->usb_id == USB_ID(0x0763, 0x2003) &&
- audiophile_skip_setting_quirk(chip, iface_no, altno))
- continue;
/* get audio formats */
fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, AS_GENERAL);
continue;
}
- snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, altno, fp->endpoint);
+ snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, i, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
return 0;
}
-/*
- * Setup quirks
- */
-#define AUDIOPHILE_SET 0x01 /* if set, parse device_setup */
-#define AUDIOPHILE_SET_DTS 0x02 /* if set, enable DTS Digital Output */
-#define AUDIOPHILE_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
-#define AUDIOPHILE_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
-#define AUDIOPHILE_SET_DI 0x10 /* if set, enable Digital Input */
-#define AUDIOPHILE_SET_MASK 0x1F /* bit mask for setup value */
-#define AUDIOPHILE_SET_24B_48K_DI 0x19 /* value for 24bits+48KHz+Digital Input */
-#define AUDIOPHILE_SET_24B_48K_NOTDI 0x09 /* value for 24bits+48KHz+No Digital Input */
-#define AUDIOPHILE_SET_16B_48K_DI 0x11 /* value for 16bits+48KHz+Digital Input */
-#define AUDIOPHILE_SET_16B_48K_NOTDI 0x01 /* value for 16bits+48KHz+No Digital Input */
-
-static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
- int iface, int altno)
-{
- if (device_setup[chip->index] & AUDIOPHILE_SET) {
- if ((device_setup[chip->index] & AUDIOPHILE_SET_DTS)
- && altno != 6)
- return 1; /* skip this altsetting */
- if ((device_setup[chip->index] & AUDIOPHILE_SET_96K)
- && altno != 1)
- return 1; /* skip this altsetting */
- if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
- AUDIOPHILE_SET_24B_48K_DI && altno != 2)
- return 1; /* skip this altsetting */
- if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
- AUDIOPHILE_SET_24B_48K_NOTDI && altno != 3)
- return 1; /* skip this altsetting */
- if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
- AUDIOPHILE_SET_16B_48K_DI && altno != 4)
- return 1; /* skip this altsetting */
- if ((device_setup[chip->index] & AUDIOPHILE_SET_MASK) ==
- AUDIOPHILE_SET_16B_48K_NOTDI && altno != 5)
- return 1; /* skip this altsetting */
- }
- return 0; /* keep this altsetting */
-}
/*
* audio-interface quirks
[QUIRK_MIDI_NOVATION] = snd_usb_create_midi_interface,
[QUIRK_MIDI_RAW] = snd_usb_create_midi_interface,
[QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_MIDITECH] = snd_usb_create_midi_interface,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
/* check whether it's already registered */
chip = NULL;
- mutex_lock(®ister_mutex);
+ down(®ister_mutex);
for (i = 0; i < SNDRV_CARDS; i++) {
if (usb_chip[i] && usb_chip[i]->dev == dev) {
if (usb_chip[i]->shutdown) {
usb_chip[chip->index] = chip;
chip->num_interfaces++;
- mutex_unlock(®ister_mutex);
+ up(®ister_mutex);
return chip;
__error:
if (chip && !chip->num_interfaces)
snd_card_free(chip->card);
- mutex_unlock(®ister_mutex);
+ up(®ister_mutex);
__err_val:
return NULL;
}
chip = ptr;
card = chip->card;
- mutex_lock(®ister_mutex);
+ down(®ister_mutex);
chip->shutdown = 1;
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
- mutex_unlock(®ister_mutex);
+ up(®ister_mutex);
snd_card_free(card);
} else {
- mutex_unlock(®ister_mutex);
+ up(®ister_mutex);
}
}
git://git.onelab.eu / linux-2.6.git / blobdiff