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 nrpacks = 4; /* max. number of packets per urb */
+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*/
*
*/
-#define MAX_PACKS 10
+#define MAX_PACKS 20
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
#define SYNC_URBS 4 /* always four urbs for sync */
unsigned int rate_min, rate_max; /* min/max rates */
unsigned int nr_rates; /* number of rate table entries */
unsigned int *rate_table; /* rate table */
+ unsigned int needs_knot; /* any unusual rates? */
};
struct snd_usb_substream;
u64 formats; /* format bitmasks (all or'ed) */
unsigned int num_formats; /* number of supported audio formats (list) */
struct list_head fmt_list; /* format list */
+ struct snd_pcm_hw_constraint_list rate_list; /* limited rates */
spinlock_t lock;
struct snd_urb_ops ops; /* callbacks (must be filled at init) */
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 3;
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 4;
struct urb *urb)
{
int i, offs;
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
offs = 0;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
return 0;
}
+/*
+ * Process after capture complete when paused. Nothing to do.
+ */
+static int retire_paused_capture_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
+ struct urb *urb)
+{
+ return 0;
+}
+
/*
* prepare urb for full speed playback sync pipe
struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 3;
struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 4;
}
/*
- * Prepare urb for streaming before playback starts.
+ * Prepare urb for streaming before playback starts or when paused.
*
- * We don't yet have data, so we send a frame of silence.
+ * We don't have any data, so we send a frame of silence.
*/
-static int prepare_startup_playback_urb(struct snd_usb_substream *subs,
- struct snd_pcm_runtime *runtime,
- struct urb *urb)
+static int prepare_nodata_playback_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
+ struct urb *urb)
{
unsigned int i, offs, counts;
struct snd_urb_ctx *ctx = urb->context;
unsigned int counts;
unsigned long flags;
int period_elapsed = 0;
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
stride = runtime->frame_bits >> 3;
*/
static struct snd_urb_ops audio_urb_ops[2] = {
{
- .prepare = prepare_startup_playback_urb,
+ .prepare = prepare_nodata_playback_urb,
.retire = retire_playback_urb,
.prepare_sync = prepare_playback_sync_urb,
.retire_sync = retire_playback_sync_urb,
static struct snd_urb_ops audio_urb_ops_high_speed[2] = {
{
- .prepare = prepare_startup_playback_urb,
+ .prepare = prepare_nodata_playback_urb,
.retire = retire_playback_urb,
.prepare_sync = prepare_playback_sync_urb_hs,
.retire_sync = retire_playback_sync_urb_hs,
/*
* complete callback from data urb
*/
-static void snd_complete_urb(struct urb *urb, struct pt_regs *regs)
+static void snd_complete_urb(struct urb *urb)
{
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
struct snd_usb_substream *subs = ctx->subs;
struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
/*
* complete callback from sync urb
*/
-static void snd_complete_sync_urb(struct urb *urb, struct pt_regs *regs)
+static void snd_complete_sync_urb(struct urb *urb)
{
- struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_urb_ctx *ctx = urb->context;
struct snd_usb_substream *subs = ctx->subs;
struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
subs->ops.prepare = prepare_playback_urb;
return 0;
case SNDRV_PCM_TRIGGER_STOP:
return deactivate_urbs(subs, 0, 0);
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ subs->ops.prepare = prepare_nodata_playback_urb;
+ return 0;
default:
return -EINVAL;
}
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
+ subs->ops.retire = retire_capture_urb;
return start_urbs(subs, substream->runtime);
case SNDRV_PCM_TRIGGER_STOP:
return deactivate_urbs(subs, 0, 0);
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ subs->ops.retire = retire_paused_capture_urb;
+ return 0;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ subs->ops.retire = retire_capture_urb;
+ return 0;
default:
return -EINVAL;
}
static int snd_usb_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
- struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
+ struct snd_usb_substream *subs = substream->runtime->private_data;
struct audioformat *fmt;
unsigned int channels, rate, format;
int ret, changed;
*/
static int snd_usb_hw_free(struct snd_pcm_substream *substream)
{
- struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
+ struct snd_usb_substream *subs = substream->runtime->private_data;
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;
subs->period_bytes = 0;
- release_substream_urbs(subs, 0);
+ if (!subs->stream->chip->shutdown)
+ release_substream_urbs(subs, 0);
return snd_pcm_free_vmalloc_buffer(substream);
}
/* for playback, submit the URBs now; otherwise, the first hwptr_done
* updates for all URBs would happen at the same time when starting */
if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
- subs->ops.prepare = prepare_startup_playback_urb;
+ subs->ops.prepare = prepare_nodata_playback_urb;
return start_urbs(subs, runtime);
} else
return 0;
}
-static struct snd_pcm_hardware snd_usb_playback =
+static struct snd_pcm_hardware snd_usb_hardware =
{
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER,
- .buffer_bytes_max = 1024 * 1024,
- .period_bytes_min = 64,
- .period_bytes_max = 512 * 1024,
- .periods_min = 2,
- .periods_max = 1024,
-};
-
-static struct snd_pcm_hardware snd_usb_capture =
-{
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_BATCH |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER,
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE,
.buffer_bytes_max = 1024 * 1024,
.period_bytes_min = 64,
.period_bytes_max = 512 * 1024,
}
channels[f->format] |= (1 << f->channels);
rates[f->format] |= f->rates;
+ /* needs knot? */
+ if (f->needs_knot)
+ goto __out;
}
/* check whether channels and rates match for all formats */
cmaster = rmaster = 0;
return err;
}
+/*
+ * If the device supports unusual bit rates, does the request meet these?
+ */
+static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime,
+ struct snd_usb_substream *subs)
+{
+ struct audioformat *fp;
+ int count = 0, needs_knot = 0;
+ int err;
+
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS)
+ return 0;
+ count += fp->nr_rates;
+ if (fp->needs_knot)
+ needs_knot = 1;
+ }
+ if (!needs_knot)
+ return 0;
+
+ subs->rate_list.count = count;
+ subs->rate_list.list = kmalloc(sizeof(int) * count, GFP_KERNEL);
+ subs->rate_list.mask = 0;
+ count = 0;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ int i;
+ for (i = 0; i < fp->nr_rates; i++)
+ subs->rate_list.list[count++] = fp->rate_table[i];
+ }
+ err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &subs->rate_list);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
/*
* set up the runtime hardware information.
SNDRV_PCM_HW_PARAM_CHANNELS,
-1)) < 0)
return err;
+ if ((err = snd_usb_pcm_check_knot(runtime, subs)) < 0)
+ return err;
}
return 0;
}
-static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction,
- struct snd_pcm_hardware *hw)
+static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
{
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
subs->interface = -1;
subs->format = 0;
- runtime->hw = *hw;
+ runtime->hw = snd_usb_hardware;
runtime->private_data = subs;
subs->pcm_substream = substream;
return setup_hw_info(runtime, subs);
static int snd_usb_playback_open(struct snd_pcm_substream *substream)
{
- return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK, &snd_usb_playback);
+ return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK);
}
static int snd_usb_playback_close(struct snd_pcm_substream *substream)
static int snd_usb_capture_open(struct snd_pcm_substream *substream)
{
- return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE, &snd_usb_capture);
+ return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE);
}
static int snd_usb_capture_close(struct snd_pcm_substream *substream)
void *buf = NULL;
if (size > 0) {
- buf = kmalloc(size, GFP_KERNEL);
+ buf = kmemdup(data, size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, data, size);
}
err = usb_control_msg(dev, pipe, request, requesttype,
value, index, buf, size, timeout);
};
-#if defined(CONFIG_PROCFS) && defined(CONFIG_SND_VERBOSE_PROCFS)
+#if defined(CONFIG_PROC_FS) && defined(CONFIG_SND_VERBOSE_PROCFS)
/*
* proc interface for list the supported pcm formats
kfree(fp->rate_table);
kfree(fp);
}
+ kfree(subs->rate_list.list);
}
}
/* create a new pcm */
- as = kmalloc(sizeof(*as), GFP_KERNEL);
+ as = kzalloc(sizeof(*as), GFP_KERNEL);
if (! as)
return -ENOMEM;
- memset(as, 0, sizeof(*as));
as->pcm_index = chip->pcm_devs;
as->chip = chip;
as->fmt_type = fp->fmt_type;
unsigned char *fmt, int offset)
{
int nr_rates = fmt[offset];
+ int found;
if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) {
snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n",
chip->dev->devnum, fp->iface, fp->altsetting);
* build the rate table and bitmap flags
*/
int r, idx, c;
+ unsigned int nonzero_rates = 0;
/* this table corresponds to the SNDRV_PCM_RATE_XXX bit */
static unsigned int conv_rates[] = {
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
return -1;
}
+ fp->needs_knot = 0;
fp->nr_rates = nr_rates;
fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
- unsigned int rate = fp->rate_table[r] = combine_triple(&fmt[idx]);
+ unsigned int rate = combine_triple(&fmt[idx]);
+ /* C-Media CM6501 mislabels its 96 kHz altsetting */
+ if (rate == 48000 && nr_rates == 1 &&
+ chip->usb_id == USB_ID(0x0d8c, 0x0201) &&
+ fp->altsetting == 5 && fp->maxpacksize == 392)
+ rate = 96000;
+ fp->rate_table[r] = rate;
+ nonzero_rates |= rate;
if (rate < fp->rate_min)
fp->rate_min = rate;
else if (rate > fp->rate_max)
fp->rate_max = rate;
+ found = 0;
for (c = 0; c < (int)ARRAY_SIZE(conv_rates); c++) {
if (rate == conv_rates[c]) {
+ found = 1;
fp->rates |= (1 << c);
break;
}
}
+ if (!found)
+ fp->needs_knot = 1;
}
+ if (!nonzero_rates) {
+ hwc_debug("All rates were zero. Skipping format!\n");
+ return -1;
+ }
+ if (fp->needs_knot)
+ fp->rates |= SNDRV_PCM_RATE_KNOT;
} else {
/* continuous rates */
fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
csep = NULL;
}
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kzalloc(sizeof(*fp), GFP_KERNEL);
if (! fp) {
snd_printk(KERN_ERR "cannot malloc\n");
return -ENOMEM;
}
- memset(fp, 0, sizeof(*fp));
fp->iface = iface_no;
fp->altsetting = altno;
fp->altset_idx = i;
int stream, err;
int *rate_table = NULL;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (! fp) {
- snd_printk(KERN_ERR "cannot malloc\n");
+ snd_printk(KERN_ERR "cannot memdup\n");
return -ENOMEM;
}
- memcpy(fp, quirk->data, sizeof(*fp));
if (fp->nr_rates > 0) {
rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
if (!rate_table) {
altsd->bNumEndpoints != 1)
return -ENXIO;
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+ fp = kmemdup(&ua1000_format, sizeof(*fp), GFP_KERNEL);
if (!fp)
return -ENOMEM;
- memcpy(fp, &ua1000_format, sizeof(*fp));
fp->channels = alts->extra[4];
fp->iface = altsd->bInterfaceNumber;
return 0;
}
+/*
+ * Create a stream for an Edirol UA-101 interface.
+ * Copy, paste and modify from Edirol UA-1000
+ */
+static int create_ua101_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
+{
+ static const struct audioformat ua101_format = {
+ .format = SNDRV_PCM_FORMAT_S32_LE,
+ .fmt_type = USB_FORMAT_TYPE_I,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .attributes = 0,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ };
+ struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
+ struct audioformat *fp;
+ int stream, err;
+
+ if (iface->num_altsetting != 2)
+ return -ENXIO;
+ alts = &iface->altsetting[1];
+ altsd = get_iface_desc(alts);
+ if (alts->extralen != 18 || alts->extra[1] != USB_DT_CS_INTERFACE ||
+ altsd->bNumEndpoints != 1)
+ return -ENXIO;
+
+ fp = kmemdup(&ua101_format, sizeof(*fp), GFP_KERNEL);
+ if (!fp)
+ return -ENOMEM;
+
+ fp->channels = alts->extra[11];
+ fp->iface = altsd->bInterfaceNumber;
+ fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
+ fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ fp->rate_max = fp->rate_min = combine_triple(&alts->extra[15]);
+
+ stream = (fp->endpoint & USB_DIR_IN)
+ ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
+ err = add_audio_endpoint(chip, stream, fp);
+ if (err < 0) {
+ kfree(fp);
+ return err;
+ }
+ /* FIXME: playback must be synchronized to capture */
+ usb_set_interface(chip->dev, fp->iface, 0);
+ return 0;
+}
+
static int snd_usb_create_quirk(struct snd_usb_audio *chip,
struct usb_interface *iface,
const struct snd_usb_audio_quirk *quirk);
return 0;
}
+/*
+ * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
+ * documented in the device's data sheet.
+ */
+static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
+{
+ u8 buf[4];
+ buf[0] = 0x20;
+ buf[1] = value & 0xff;
+ buf[2] = (value >> 8) & 0xff;
+ buf[3] = reg;
+ return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
+ USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+ 0, 0, &buf, 4, 1000);
+}
+
+static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
+{
+ /*
+ * Enable line-out driver mode, set headphone source to front
+ * channels, enable stereo mic.
+ */
+ return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
+}
+
+
/*
* Setup quirks
*/
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
+ [QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk,
};
if (quirk->type < QUIRK_TYPE_COUNT) {
static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
+ usb_chip[chip->index] = NULL;
kfree(chip);
return 0;
}
goto __err_val;
}
+ /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
+ if (id == USB_ID(0x10f5, 0x0200)) {
+ if (snd_usb_cm106_boot_quirk(dev) < 0)
+ goto __err_val;
+ }
+
/*
* found a config. now register to ALSA
*/
list_for_each(p, &chip->mixer_list) {
snd_usb_mixer_disconnect(p);
}
- usb_chip[chip->index] = NULL;
mutex_unlock(®ister_mutex);
- snd_card_free(card);
+ snd_card_free_when_closed(card);
} else {
mutex_unlock(®ister_mutex);
}
printk(KERN_WARNING "invalid nrpacks value.\n");
return -EINVAL;
}
- usb_register(&usb_audio_driver);
- return 0;
+ return usb_register(&usb_audio_driver);
}
projects / powerpc.git / blobdiff