#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
#define SYNC_URBS 4 /* always four urbs for sync */
- #define MIN_PACKS_URB 1 /* minimum 1 packet per urb */
+ #define MAX_QUEUE 24 /* try not to exceed this queue length, in ms */
struct audioformat {
struct list_head list;
/*
* Prepare urb for streaming before playback starts or when paused.
*
- * We don't have any data, so we send a frame of silence.
+ * We don't have any data, so we send silence.
*/
static int prepare_nodata_playback_urb(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
offs = 0;
urb->dev = ctx->subs->dev;
- urb->number_of_packets = subs->packs_per_ms;
- for (i = 0; i < subs->packs_per_ms; ++i) {
+ for (i = 0; i < ctx->packets; ++i) {
counts = snd_usb_audio_next_packet_size(subs);
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
}
+ urb->number_of_packets = ctx->packets;
urb->transfer_buffer_length = offs * stride;
memset(urb->transfer_buffer,
subs->cur_audiofmt->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0,
static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int period_bytes,
unsigned int rate, unsigned int frame_bits)
{
- unsigned int maxsize, n, i;
+ unsigned int maxsize, i;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
- unsigned int npacks[MAX_URBS], urb_packs, total_packs, packs_per_ms;
+ unsigned int urb_packs, total_packs, packs_per_ms;
/* calculate the frequency in 16.16 format */
if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
subs->packs_per_ms = packs_per_ms;
if (is_playback) {
- urb_packs = nrpacks;
- urb_packs = max(urb_packs, (unsigned int)MIN_PACKS_URB);
+ urb_packs = max(nrpacks, 1);
urb_packs = min(urb_packs, (unsigned int)MAX_PACKS);
} else
urb_packs = 1;
/* decide how many packets to be used */
if (is_playback) {
- unsigned int minsize;
+ unsigned int minsize, maxpacks;
/* determine how small a packet can be */
minsize = (subs->freqn >> (16 - subs->datainterval))
* (frame_bits >> 3);
total_packs = (total_packs + packs_per_ms - 1)
& ~(packs_per_ms - 1);
/* we need at least two URBs for queueing */
- if (total_packs < 2 * MIN_PACKS_URB * packs_per_ms)
- total_packs = 2 * MIN_PACKS_URB * packs_per_ms;
+ if (total_packs < 2 * packs_per_ms) {
+ total_packs = 2 * packs_per_ms;
+ } else {
+ /* and we don't want too long a queue either */
+ maxpacks = max(MAX_QUEUE * packs_per_ms, urb_packs * 2);
+ total_packs = min(total_packs, maxpacks);
+ }
} else {
total_packs = MAX_URBS * urb_packs;
}
/* too much... */
subs->nurbs = MAX_URBS;
total_packs = MAX_URBS * urb_packs;
- }
- n = total_packs;
- for (i = 0; i < subs->nurbs; i++) {
- npacks[i] = n > urb_packs ? urb_packs : n;
- n -= urb_packs;
- }
- if (subs->nurbs <= 1) {
+ } else if (subs->nurbs < 2) {
/* too little - we need at least two packets
* to ensure contiguous playback/capture
*/
subs->nurbs = 2;
- npacks[0] = (total_packs + 1) / 2;
- npacks[1] = total_packs - npacks[0];
- } else if (npacks[subs->nurbs-1] < MIN_PACKS_URB * packs_per_ms) {
- /* the last packet is too small.. */
- if (subs->nurbs > 2) {
- /* merge to the first one */
- npacks[0] += npacks[subs->nurbs - 1];
- subs->nurbs--;
- } else {
- /* divide to two */
- subs->nurbs = 2;
- npacks[0] = (total_packs + 1) / 2;
- npacks[1] = total_packs - npacks[0];
- }
}
/* allocate and initialize data urbs */
struct snd_urb_ctx *u = &subs->dataurb[i];
u->index = i;
u->subs = subs;
- u->packets = npacks[i];
+ u->packets = (i + 1) * total_packs / subs->nurbs
+ - i * total_packs / subs->nurbs;
u->buffer_size = maxsize * u->packets;
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
- snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep 0x%x\n",
+ snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n",
dev->devnum, iface, fmt->altsetting, rate, ep);
return err;
}
if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
- snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep 0x%x\n",
+ snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n",
dev->devnum, iface, fmt->altsetting, ep);
return 0; /* some devices don't support reading */
}
subs->cur_audiofmt = fmt;
#if 0
- printk("setting done: format = %d, rate = %d..%d, channels = %d\n",
+ printk(KERN_DEBUG
+ "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",
+ printk(KERN_DEBUG
+ " datapipe = 0x%0x, syncpipe = 0x%0x\n",
subs->datapipe, subs->syncpipe);
#endif
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",
+ snd_printd(KERN_DEBUG "cannot set format: format = %#x, rate = %d, channels = %d\n",
format, rate, channels);
return -EINVAL;
}
if (rates[f->format] && rates[f->format] != f->rates)
goto __out;
}
- channels[f->format] |= (1 << f->channels);
+ channels[f->format] |= 1 << (f->channels - 1);
rates[f->format] |= f->rates;
/* needs knot? */
if (f->rates & SNDRV_PCM_RATE_KNOT)
continue;
for (i = 0; i < 32; i++) {
if (f->rates & (1 << i))
- channels[i] |= (1 << f->channels);
+ channels[i] |= 1 << (f->channels - 1);
}
}
cmaster = 0;
* in the current code assume the 1ms period.
*/
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME,
- 1000 * MIN_PACKS_URB,
+ 1000,
/*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
err = check_hw_params_convention(subs);
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: %#x\n", 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_iprintf(buffer, "\n");
}
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
- // snd_iprintf(buffer, " EP Attribute = 0x%x\n", fp->attributes);
+ // snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}
}
* build the rate table and bitmap flags
*/
int r, idx;
- unsigned int nonzero_rates = 0;
fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
if (fp->rate_table == NULL) {
return -1;
}
- fp->nr_rates = nr_rates;
- fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
+ fp->nr_rates = 0;
+ fp->rate_min = fp->rate_max = 0;
for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
unsigned int rate = combine_triple(&fmt[idx]);
+ if (!rate)
+ continue;
/* C-Media CM6501 mislabels its 96 kHz altsetting */
if (rate == 48000 && nr_rates == 1 &&
- chip->usb_id == USB_ID(0x0d8c, 0x0201) &&
+ (chip->usb_id == USB_ID(0x0d8c, 0x0201) ||
+ chip->usb_id == USB_ID(0x0d8c, 0x0102)) &&
fp->altsetting == 5 && fp->maxpacksize == 392)
rate = 96000;
- fp->rate_table[r] = rate;
- nonzero_rates |= rate;
- if (rate < fp->rate_min)
+ fp->rate_table[fp->nr_rates] = rate;
+ if (!fp->rate_min || rate < fp->rate_min)
fp->rate_min = rate;
- else if (rate > fp->rate_max)
+ if (!fp->rate_max || rate > fp->rate_max)
fp->rate_max = rate;
fp->rates |= snd_pcm_rate_to_rate_bit(rate);
+ fp->nr_rates++;
}
- if (!nonzero_rates) {
+ if (!fp->nr_rates) {
hwc_debug("All rates were zero. Skipping format!\n");
return -1;
}
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
default:
- snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n",
+ snd_printd(KERN_INFO "%d:%u:%d : unknown format tag %#x is detected. processed as MPEG.\n",
chip->dev->devnum, fp->iface, fp->altsetting, format);
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
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 %#x\n", dev->devnum, iface_no, altno, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
return -EINVAL;
}
alts = &iface->altsetting[fp->altset_idx];
+ fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
usb_set_interface(chip->dev, fp->iface, 0);
init_usb_pitch(chip->dev, fp->iface, alts, fp);
init_usb_sample_rate(chip->dev, fp->iface, alts, fp, fp->rate_max);
return -ENXIO;
}
- card = snd_card_new(index[idx], id[idx], THIS_MODULE, 0);
- if (card == NULL) {
+ err = snd_card_create(index[idx], id[idx], THIS_MODULE, 0, &card);
+ if (err < 0) {
snd_printk(KERN_ERR "cannot create card instance %d\n", idx);
- return -ENOMEM;
+ return err;
}
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
static int __init snd_usb_audio_init(void)
{
- if (nrpacks < MIN_PACKS_URB || nrpacks > MAX_PACKS) {
+ if (nrpacks < 1 || nrpacks > MAX_PACKS) {
printk(KERN_WARNING "invalid nrpacks value.\n");
return -EINVAL;
}
{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
+ { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};
struct usb_mixer_interface {
/* Sound Blaster remote control stuff */
const struct rc_config *rc_cfg;
- unsigned long rc_hwdep_open;
u32 rc_code;
wait_queue_head_t rc_waitq;
struct urb *rc_urb;
const struct usbmix_selector_map *selector_map;
};
+ #define MAX_CHANNELS 10 /* max logical channels */
+
struct usb_mixer_elem_info {
struct usb_mixer_interface *mixer;
struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
int channels;
int val_type;
int min, max, res;
+ int cached;
+ int cache_val[MAX_CHANNELS];
u8 initialized;
};
USB_PROC_DCR_RELEASE = 6,
};
- #define MAX_CHANNELS 10 /* max logical channels */
-
/*
* manual mapping of mixer names
for (p = state->map; p->id; p++) {
if (p->id == unitid && ! p->name &&
(! control || ! p->control || control == p->control)) {
- // printk("ignored control %d:%d\n", unitid, control);
+ /*
+ printk(KERN_DEBUG "ignored control %d:%d\n",
+ unitid, control);
+ */
return 1;
}
}
}
/* channel = 0: master, 1 = first channel */
- static inline int get_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int *value)
+ static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval,
+ int channel, int *value)
{
return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value);
}
+ static int get_cur_mix_value(struct usb_mixer_elem_info *cval,
+ int channel, int index, int *value)
+ {
+ int err;
+
+ if (cval->cached & (1 << channel)) {
+ *value = cval->cache_val[index];
+ return 0;
+ }
+ err = get_cur_mix_raw(cval, channel, value);
+ if (err < 0) {
+ if (!cval->mixer->ignore_ctl_error)
+ snd_printd(KERN_ERR "cannot get current value for "
+ "control %d ch %d: err = %d\n",
+ cval->control, channel, err);
+ return err;
+ }
+ cval->cached |= 1 << channel;
+ cval->cache_val[index] = *value;
+ return 0;
+ }
+
+
/*
* set a mixer value
*/
return set_ctl_value(cval, SET_CUR, validx, value);
}
- static inline int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int value)
+ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
+ int index, int value)
{
- return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
+ int err;
+ err = set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel,
+ value);
+ if (err < 0)
+ return err;
+ cval->cached |= 1 << channel;
+ cval->cache_val[index] = value;
+ return 0;
}
/*
if (cval->min + cval->res < cval->max) {
int last_valid_res = cval->res;
int saved, test, check;
- get_cur_mix_value(cval, minchn, &saved);
+ get_cur_mix_raw(cval, minchn, &saved);
for (;;) {
test = saved;
if (test < cval->max)
else
test -= cval->res;
if (test < cval->min || test > cval->max ||
- set_cur_mix_value(cval, minchn, test) ||
- get_cur_mix_value(cval, minchn, &check)) {
+ set_cur_mix_value(cval, minchn, 0, test) ||
+ get_cur_mix_raw(cval, minchn, &check)) {
cval->res = last_valid_res;
break;
}
break;
cval->res *= 2;
}
- set_cur_mix_value(cval, minchn, saved);
+ set_cur_mix_value(cval, minchn, 0, saved);
}
cval->initialized = 1;
struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, err;
+ ucontrol->value.integer.value[0] = cval->min;
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
- if (cval->cmask & (1 << c)) {
- err = get_cur_mix_value(cval, c + 1, &val);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error) {
- ucontrol->value.integer.value[0] = cval->min;
- return 0;
- }
- snd_printd(KERN_ERR "cannot get current value for control %d ch %d: err = %d\n", cval->control, c + 1, err);
- return err;
- }
- val = get_relative_value(cval, val);
- ucontrol->value.integer.value[cnt] = val;
- cnt++;
- }
+ if (!(cval->cmask & (1 << c)))
+ continue;
+ err = get_cur_mix_value(cval, c + 1, cnt, &val);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
+ val = get_relative_value(cval, val);
+ ucontrol->value.integer.value[cnt] = val;
+ cnt++;
}
+ return 0;
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, &val);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error) {
- ucontrol->value.integer.value[0] = cval->min;
- return 0;
- }
- snd_printd(KERN_ERR "cannot get current value for control %d master ch: err = %d\n", cval->control, err);
- return err;
- }
+ err = get_cur_mix_value(cval, 0, 0, &val);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
ucontrol->value.integer.value[0] = val;
}
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
- if (cval->cmask & (1 << c)) {
- err = get_cur_mix_value(cval, c + 1, &oval);
- if (err < 0) {
- if (cval->mixer->ignore_ctl_error)
- return 0;
- return err;
- }
- val = ucontrol->value.integer.value[cnt];
- val = get_abs_value(cval, val);
- if (oval != val) {
- set_cur_mix_value(cval, c + 1, val);
- changed = 1;
- }
- get_cur_mix_value(cval, c + 1, &val);
- cnt++;
+ if (!(cval->cmask & (1 << c)))
+ continue;
+ err = get_cur_mix_value(cval, c + 1, cnt, &oval);
+ if (err < 0)
+ return cval->mixer->ignore_ctl_error ? 0 : err;
+ val = ucontrol->value.integer.value[cnt];
+ val = get_abs_value(cval, val);
+ if (oval != val) {
+ set_cur_mix_value(cval, c + 1, cnt, val);
+ changed = 1;
}
+ cnt++;
}
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, &oval);
- if (err < 0 && cval->mixer->ignore_ctl_error)
- return 0;
+ err = get_cur_mix_value(cval, 0, 0, &oval);
if (err < 0)
- return err;
+ return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[0];
val = get_abs_value(cval, val);
if (val != oval) {
- set_cur_mix_value(cval, 0, val);
+ set_cur_mix_value(cval, 0, 0, val);
changed = 1;
}
}
break;
/* live24ext: 4 = line-in jack */
case 3: /* hp-out jack (may actuate Mute) */
- if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
break;
default:
wake_up(&mixer->rc_waitq);
}
-static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
-
- if (test_and_set_bit(0, &mixer->rc_hwdep_open))
- return -EBUSY;
- return 0;
-}
-
-static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
-
- clear_bit(0, &mixer->rc_hwdep_open);
- smp_mb__after_clear_bit();
- return 0;
-}
-
static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
long count, loff_t *offset)
{
hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
hwdep->private_data = mixer;
hwdep->ops.read = snd_usb_sbrc_hwdep_read;
- hwdep->ops.open = snd_usb_sbrc_hwdep_open;
- hwdep->ops.release = snd_usb_sbrc_hwdep_release;
hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
+ hwdep->exclusive = 1;
mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!mixer->rc_urb)
int i, err;
for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
- if (i > 1 && /* Live24ext has 2 LEDs only */
- mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ if (i > 1 && /* Live24ext has 2 LEDs only */
+ (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
break;
err = snd_ctl_add(mixer->chip->card,
snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
jacks = jacks_audigy2nx;
- else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
+ else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
jacks = jacks_live24ext;
else
return;
goto _error;
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
- mixer->chip->usb_id == USB_ID(0x041e, 0x3040)) {
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+ mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
struct snd_info_entry *entry;
if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
.idProduct = prod, \
.bInterfaceClass = USB_CLASS_VENDOR_SPEC
+ /* Creative/Toshiba Multimedia Center SB-0500 */
+ {
+ USB_DEVICE(0x041e, 0x3048),
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+ .vendor_name = "Toshiba",
+ .product_name = "SB-0500",
+ .ifnum = QUIRK_NO_INTERFACE
+ }
+ },
+
/* Creative/E-Mu devices */
{
USB_DEVICE(0x041e, 0x3010),
.bInterfaceClass = USB_CLASS_AUDIO,
.bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL
},
+{
+ USB_DEVICE(0x046d, 0x0990),
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+ .vendor_name = "Logitech, Inc.",
+ .product_name = "QuickCam Pro 9000",
+ .ifnum = QUIRK_NO_INTERFACE
+ }
+},
/*
* Yamaha devices
projects / karo-tx-linux.git / commitdiff