*/
-#include <sound/driver.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/list.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
-static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Vendor ID for this card */
-static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
+/* Vendor/product IDs for this card */
+static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
+static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
static int nrpacks = 8; /* max. number of packets per urb */
static int async_unlink = 1;
static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
return 0;
}
+/*
+ * process after E-Mu 0202/0404 high speed playback sync complete
+ *
+ * These devices return the number of samples per packet instead of the number
+ * of samples per microframe.
+ */
+static int retire_playback_sync_urb_hs_emu(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
+ struct urb *urb)
+{
+ unsigned int f;
+ unsigned long flags;
+
+ if (urb->iso_frame_desc[0].status == 0 &&
+ urb->iso_frame_desc[0].actual_length == 4) {
+ f = combine_quad((u8*)urb->transfer_buffer) & 0x0fffffff;
+ f >>= subs->datainterval;
+ if (f >= subs->freqn - subs->freqn / 8 && f <= subs->freqmax) {
+ spin_lock_irqsave(&subs->lock, flags);
+ subs->freqm = f;
+ spin_unlock_irqrestore(&subs->lock, flags);
+ }
+ }
+
+ return 0;
+}
+
/* determine the number of frames in the next packet */
static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs)
{
int err = 0;
if ((subs->running && subs->ops.retire(subs, substream->runtime, urb)) ||
- ! subs->running || /* can be stopped during retire callback */
+ !subs->running || /* can be stopped during retire callback */
(err = subs->ops.prepare(subs, substream->runtime, urb)) < 0 ||
(err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
clear_bit(ctx->index, &subs->active_mask);
int err = 0;
if ((subs->running && subs->ops.retire_sync(subs, substream->runtime, urb)) ||
- ! subs->running || /* can be stopped during retire callback */
+ !subs->running || /* can be stopped during retire callback */
(err = subs->ops.prepare_sync(subs, substream->runtime, urb)) < 0 ||
(err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
clear_bit(ctx->index + 16, &subs->active_mask);
vfree(runtime->dma_area);
}
runtime->dma_area = vmalloc(size);
- if (! runtime->dma_area)
+ if (!runtime->dma_area)
return -ENOMEM;
runtime->dma_bytes = size;
return 0;
async = !can_sleep && async_unlink;
- if (! async && in_interrupt())
+ if (!async && in_interrupt())
return 0;
for (i = 0; i < subs->nurbs; i++) {
if (test_bit(i, &subs->active_mask)) {
- if (! test_and_set_bit(i, &subs->unlink_mask)) {
+ if (!test_and_set_bit(i, &subs->unlink_mask)) {
struct urb *u = subs->dataurb[i].urb;
if (async)
usb_unlink_urb(u);
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
if (test_bit(i+16, &subs->active_mask)) {
- if (! test_and_set_bit(i+16, &subs->unlink_mask)) {
+ if (!test_and_set_bit(i+16, &subs->unlink_mask)) {
struct urb *u = subs->syncurb[i].urb;
if (async)
usb_unlink_urb(u);
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);
- if (! u->urb)
+ if (!u->urb)
goto out_of_memory;
u->urb->transfer_buffer =
usb_buffer_alloc(subs->dev, u->buffer_size, GFP_KERNEL,
&u->urb->transfer_dma);
- if (! u->urb->transfer_buffer)
+ if (!u->urb->transfer_buffer)
goto out_of_memory;
u->urb->pipe = subs->datapipe;
u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
/* allocate and initialize sync urbs */
subs->syncbuf = usb_buffer_alloc(subs->dev, SYNC_URBS * 4,
GFP_KERNEL, &subs->sync_dma);
- if (! subs->syncbuf)
+ if (!subs->syncbuf)
goto out_of_memory;
for (i = 0; i < SYNC_URBS; i++) {
struct snd_urb_ctx *u = &subs->syncurb[i];
u->subs = subs;
u->packets = 1;
u->urb = usb_alloc_urb(1, GFP_KERNEL);
- if (! u->urb)
+ if (!u->urb)
goto out_of_memory;
u->urb->transfer_buffer = subs->syncbuf + i * 4;
u->urb->transfer_dma = subs->sync_dma + i * 4;
subs->cur_audiofmt = fmt;
#if 0
- printk("setting done: format = %d, rate = %d, channels = %d\n",
- fmt->format, fmt->rate, fmt->channels);
+ printk("setting done: format = %d, rate = %d..%d, channels = %d\n",
+ fmt->format, fmt->rate_min, fmt->rate_max, fmt->channels);
printk(" datapipe = 0x%0x, syncpipe = 0x%0x\n",
subs->datapipe, subs->syncpipe);
#endif
rate = params_rate(hw_params);
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
- if (! fmt) {
+ if (!fmt) {
snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
format, rate, channels);
return -EINVAL;
struct snd_mask *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
/* check the format */
- if (! snd_mask_test(fmts, fp->format)) {
+ if (!snd_mask_test(fmts, fp->format)) {
hwc_debug(" > check: no supported format %d\n", fp->format);
return 0;
}
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
if (changed++) {
if (rmin > fp->rate_min)
}
}
- if (! changed) {
+ if (!changed) {
hwc_debug(" --> get empty\n");
it->empty = 1;
return -EINVAL;
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
if (changed++) {
if (rmin > fp->channels)
}
}
- if (! changed) {
+ if (!changed) {
hwc_debug(" --> get empty\n");
it->empty = 1;
return -EINVAL;
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
fbits |= (1ULL << fp->format);
}
oldbits[1] = fmt->bits[1];
fmt->bits[0] &= (u32)fbits;
fmt->bits[1] &= (u32)(fbits >> 32);
- if (! fmt->bits[0] && ! fmt->bits[1]) {
+ if (!fmt->bits[0] && !fmt->bits[1]) {
hwc_debug(" --> get empty\n");
return -EINVAL;
}
channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
+ if (!channels || !rates) {
+ err = -ENOMEM;
+ goto __out;
+ }
list_for_each(p, &subs->fmt_list) {
struct audioformat *f;
1000 * MIN_PACKS_URB,
/*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
- if (check_hw_params_convention(subs)) {
+ err = check_hw_params_convention(subs);
+ if (err < 0)
+ return err;
+ else if (err) {
hwc_debug("setting extra hw constraints...\n");
if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
hw_rule_rate, subs,
struct snd_card *card = stream->chip->card;
sprintf(name, "stream%d", stream->pcm_index);
- if (! snd_card_proc_new(card, name, &entry))
+ if (!snd_card_proc_new(card, name, &entry))
snd_info_set_text_ops(entry, stream, proc_pcm_format_read);
}
subs->stream = as;
subs->direction = stream;
subs->dev = as->chip->dev;
- if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) {
subs->ops = audio_urb_ops[stream];
- else
+ } else {
subs->ops = audio_urb_ops_high_speed[stream];
+ switch (as->chip->usb_id) {
+ case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
+ case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
+ subs->ops.retire_sync = retire_playback_sync_urb_hs_emu;
+ break;
+ }
+ }
snd_pcm_set_ops(as->pcm, stream,
stream == SNDRV_PCM_STREAM_PLAYBACK ?
&snd_usb_playback_ops : &snd_usb_capture_ops);
{
struct list_head *p, *n;
- if (! subs->num_formats)
+ if (!subs->num_formats)
return; /* not initialized */
list_for_each_safe(p, n, &subs->fmt_list) {
struct audioformat *fp = list_entry(p, struct audioformat, list);
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
- if (! subs->endpoint)
+ if (!subs->endpoint)
continue;
if (subs->endpoint == fp->endpoint) {
list_add_tail(&fp->list, &subs->fmt_list);
/* create a new pcm */
as = kzalloc(sizeof(*as), GFP_KERNEL);
- if (! as)
+ if (!as)
return -ENOMEM;
as->pcm_index = chip->pcm_devs;
as->chip = chip;
}
break;
case USB_AUDIO_FORMAT_PCM8:
- /* Dallas DS4201 workaround */
+ pcm_format = SNDRV_PCM_FORMAT_U8;
+
+ /* Dallas DS4201 workaround: it advertises U8 format, but really
+ supports S8. */
if (chip->usb_id == USB_ID(0x04fa, 0x4201))
pcm_format = SNDRV_PCM_FORMAT_S8;
- else
- pcm_format = SNDRV_PCM_FORMAT_U8;
break;
case USB_AUDIO_FORMAT_IEEE_FLOAT:
pcm_format = SNDRV_PCM_FORMAT_FLOAT_LE;
int format;
struct audioformat *fp;
unsigned char *fmt, *csep;
+ int num;
dev = chip->dev;
/* parse the interface's altsettings */
iface = usb_ifnum_to_if(dev, iface_no);
- for (i = 0; i < iface->num_altsetting; i++) {
+
+ num = iface->num_altsetting;
+
+ /*
+ * Dallas DS4201 workaround: It presents 5 altsettings, but the last
+ * one misses syncpipe, and does not produce any sound.
+ */
+ if (chip->usb_id == USB_ID(0x04fa, 0x4201))
+ num = 4;
+
+ for (i = 0; i < num; i++) {
alts = &iface->altsetting[i];
altsd = get_iface_desc(alts);
/* skip invalid one */
static void proc_audio_usbbus_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_usb_audio *chip = entry->private_data;
- if (! chip->shutdown)
+ if (!chip->shutdown)
snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum);
}
static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_usb_audio *chip = entry->private_data;
- if (! chip->shutdown)
+ if (!chip->shutdown)
snd_iprintf(buffer, "%04x:%04x\n",
USB_ID_VENDOR(chip->usb_id),
USB_ID_PRODUCT(chip->usb_id));
static void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
{
struct snd_info_entry *entry;
- if (! snd_card_proc_new(chip->card, "usbbus", &entry))
+ if (!snd_card_proc_new(chip->card, "usbbus", &entry))
snd_info_set_text_ops(entry, chip, proc_audio_usbbus_read);
- if (! snd_card_proc_new(chip->card, "usbid", &entry))
+ if (!snd_card_proc_new(chip->card, "usbid", &entry))
snd_info_set_text_ops(entry, chip, proc_audio_usbid_read);
}
static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
- usb_chip[chip->index] = NULL;
kfree(chip);
return 0;
}
snd_card_set_dev(chip->card, &intf->dev);
break;
}
- if (! chip) {
- snd_printk(KERN_ERR "no available usb audio device\n");
+ if (!chip) {
+ printk(KERN_ERR "no available usb audio device\n");
goto __error;
}
}
list_for_each(p, &chip->mixer_list) {
snd_usb_mixer_disconnect(p);
}
+ usb_chip[chip->index] = NULL;
mutex_unlock(®ister_mutex);
snd_card_free_when_closed(card);
} else {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff