#include <linux/slab.h>
#include <linux/string.h>
#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(vid, "Vendor ID for the USB audio device.");
module_param_array(pid, int, NULL, 0444);
MODULE_PARM_DESC(pid, "Product ID for the USB audio device.");
-module_param(nrpacks, int, 0444);
+module_param(nrpacks, int, 0644);
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).");
/*
#define MAX_PACKS 10
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
-#define MAX_URBS 5 /* max. 20ms long packets */
-#define SYNC_URBS 2 /* always two urbs for sync */
+#define MAX_URBS 8
+#define SYNC_URBS 4 /* always four urbs for sync */
#define MIN_PACKS_URB 1 /* minimum 1 packet per urb */
-typedef struct snd_usb_substream snd_usb_substream_t;
-typedef struct snd_usb_stream snd_usb_stream_t;
-typedef struct snd_urb_ctx snd_urb_ctx_t;
-
struct audioformat {
struct list_head list;
snd_pcm_format_t format; /* format type */
unsigned int *rate_table; /* rate table */
};
+struct snd_usb_substream;
+
struct snd_urb_ctx {
struct urb *urb;
- snd_usb_substream_t *subs;
+ unsigned int buffer_size; /* size of data buffer, if data URB */
+ struct snd_usb_substream *subs;
int index; /* index for urb array */
int packets; /* number of packets per urb */
- int transfer; /* transferred size */
- char *buf; /* buffer for capture */
};
struct snd_urb_ops {
- int (*prepare)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u);
- int (*retire)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u);
- int (*prepare_sync)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u);
- int (*retire_sync)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u);
+ int (*prepare)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
+ int (*retire)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
+ int (*prepare_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
+ int (*retire_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
};
struct snd_usb_substream {
- snd_usb_stream_t *stream;
+ struct snd_usb_stream *stream;
struct usb_device *dev;
- snd_pcm_substream_t *pcm_substream;
+ struct snd_pcm_substream *pcm_substream;
int direction; /* playback or capture */
int interface; /* current interface */
int endpoint; /* assigned endpoint */
unsigned int format; /* USB data format */
unsigned int datapipe; /* the data i/o pipe */
unsigned int syncpipe; /* 1 - async out or adaptive in */
+ unsigned int datainterval; /* log_2 of data packet interval */
unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
unsigned int curframesize; /* current packet size in frames (for capture) */
unsigned int fill_max: 1; /* fill max packet size always */
unsigned int fmt_type; /* USB audio format type (1-3) */
+ unsigned int packs_per_ms; /* packets per millisecond (for playback) */
unsigned int running: 1; /* running status */
- unsigned int hwptr; /* free frame position in the buffer (only for playback) */
unsigned int hwptr_done; /* processed frame position in the buffer */
- unsigned int transfer_sched; /* scheduled frames since last period (for playback) */
unsigned int transfer_done; /* processed frames since last period update */
unsigned long active_mask; /* bitmask of active urbs */
unsigned long unlink_mask; /* bitmask of unlinked urbs */
unsigned int nurbs; /* # urbs */
- snd_urb_ctx_t dataurb[MAX_URBS]; /* data urb table */
- snd_urb_ctx_t syncurb[SYNC_URBS]; /* sync urb table */
- char syncbuf[SYNC_URBS * MAX_PACKS * 4]; /* sync buffer; it's so small - let's get static */
- char *tmpbuf; /* temporary buffer for playback */
+ struct snd_urb_ctx dataurb[MAX_URBS]; /* data urb table */
+ struct snd_urb_ctx syncurb[SYNC_URBS]; /* sync urb table */
+ char *syncbuf; /* sync buffer for all sync URBs */
+ dma_addr_t sync_dma; /* DMA address of syncbuf */
u64 formats; /* format bitmasks (all or'ed) */
unsigned int num_formats; /* number of supported audio formats (list) */
struct snd_usb_stream {
- snd_usb_audio_t *chip;
- snd_pcm_t *pcm;
+ struct snd_usb_audio *chip;
+ struct snd_pcm *pcm;
int pcm_index;
unsigned int fmt_type; /* USB audio format type (1-3) */
- snd_usb_substream_t substream[2];
+ struct snd_usb_substream substream[2];
struct list_head list;
};
* the all interfaces on the same card as one sound device.
*/
-static DECLARE_MUTEX(register_mutex);
-static snd_usb_audio_t *usb_chip[SNDRV_CARDS];
+static DEFINE_MUTEX(register_mutex);
+static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
/*
* convert a sampling rate into our full speed format (fs/1000 in Q16.16)
* this will overflow at approx 524 kHz
*/
-inline static unsigned get_usb_full_speed_rate(unsigned int rate)
+static inline unsigned get_usb_full_speed_rate(unsigned int rate)
{
return ((rate << 13) + 62) / 125;
}
* convert a sampling rate into USB high speed format (fs/8000 in Q16.16)
* this will overflow at approx 4 MHz
*/
-inline static unsigned get_usb_high_speed_rate(unsigned int rate)
+static inline unsigned get_usb_high_speed_rate(unsigned int rate)
{
return ((rate << 10) + 62) / 125;
}
/* convert our full speed USB rate into sampling rate in Hz */
-inline static unsigned get_full_speed_hz(unsigned int usb_rate)
+static inline unsigned get_full_speed_hz(unsigned int usb_rate)
{
return (usb_rate * 125 + (1 << 12)) >> 13;
}
/* convert our high speed USB rate into sampling rate in Hz */
-inline static unsigned get_high_speed_hz(unsigned int usb_rate)
+static inline unsigned get_high_speed_hz(unsigned int usb_rate)
{
return (usb_rate * 125 + (1 << 9)) >> 10;
}
* fill the length and offset of each urb descriptor.
* the fixed 10.14 frequency is passed through the pipe.
*/
-static int prepare_capture_sync_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int prepare_capture_sync_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
- int i, offs;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
- urb->number_of_packets = ctx->packets;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
- for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4, cp += 4) {
- urb->iso_frame_desc[i].length = 3;
- urb->iso_frame_desc[i].offset = offs;
- cp[0] = subs->freqn >> 2;
- cp[1] = subs->freqn >> 10;
- cp[2] = subs->freqn >> 18;
- }
+ urb->iso_frame_desc[0].length = 3;
+ urb->iso_frame_desc[0].offset = 0;
+ cp[0] = subs->freqn >> 2;
+ cp[1] = subs->freqn >> 10;
+ cp[2] = subs->freqn >> 18;
return 0;
}
* fill the length and offset of each urb descriptor.
* the fixed 12.13 frequency is passed as 16.16 through the pipe.
*/
-static int prepare_capture_sync_urb_hs(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int prepare_capture_sync_urb_hs(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
- int i, offs;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
- urb->number_of_packets = ctx->packets;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
- for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4, cp += 4) {
- urb->iso_frame_desc[i].length = 4;
- urb->iso_frame_desc[i].offset = offs;
- cp[0] = subs->freqn;
- cp[1] = subs->freqn >> 8;
- cp[2] = subs->freqn >> 16;
- cp[3] = subs->freqn >> 24;
- }
+ urb->iso_frame_desc[0].length = 4;
+ urb->iso_frame_desc[0].offset = 0;
+ cp[0] = subs->freqn;
+ cp[1] = subs->freqn >> 8;
+ cp[2] = subs->freqn >> 16;
+ cp[3] = subs->freqn >> 24;
return 0;
}
* process after capture sync complete
* - nothing to do
*/
-static int retire_capture_sync_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int retire_capture_sync_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
return 0;
* write onto the pcm buffer directly... the data is thus copied
* later at complete callback to the global buffer.
*/
-static int prepare_capture_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int prepare_capture_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
int i, offs;
- unsigned long flags;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
offs = 0;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
- urb->number_of_packets = 0;
- spin_lock_irqsave(&subs->lock, flags);
for (i = 0; i < ctx->packets; i++) {
urb->iso_frame_desc[i].offset = offs;
urb->iso_frame_desc[i].length = subs->curpacksize;
offs += subs->curpacksize;
- urb->number_of_packets++;
- subs->transfer_sched += subs->curframesize;
- if (subs->transfer_sched >= runtime->period_size) {
- subs->transfer_sched -= runtime->period_size;
- break;
- }
}
- spin_unlock_irqrestore(&subs->lock, flags);
- urb->transfer_buffer = ctx->buf;
urb->transfer_buffer_length = offs;
+ urb->number_of_packets = ctx->packets;
#if 0 // for check
if (! urb->bandwidth) {
int bustime;
* copy the data from each desctiptor to the pcm buffer, and
* update the current position.
*/
-static int retire_capture_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int retire_capture_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
unsigned long flags;
unsigned char *cp;
int i;
unsigned int stride, len, oldptr;
+ int period_elapsed = 0;
stride = runtime->frame_bits >> 3;
if (subs->hwptr_done >= runtime->buffer_size)
subs->hwptr_done -= runtime->buffer_size;
subs->transfer_done += len;
+ if (subs->transfer_done >= runtime->period_size) {
+ subs->transfer_done -= runtime->period_size;
+ period_elapsed = 1;
+ }
spin_unlock_irqrestore(&subs->lock, flags);
/* copy a data chunk */
if (oldptr + len > runtime->buffer_size) {
} else {
memcpy(runtime->dma_area + oldptr * stride, cp, len * stride);
}
- /* update the pointer, call callback if necessary */
- spin_lock_irqsave(&subs->lock, flags);
- if (subs->transfer_done >= runtime->period_size) {
- subs->transfer_done -= runtime->period_size;
- spin_unlock_irqrestore(&subs->lock, flags);
- snd_pcm_period_elapsed(subs->pcm_substream);
- } else
- spin_unlock_irqrestore(&subs->lock, flags);
}
+ if (period_elapsed)
+ snd_pcm_period_elapsed(subs->pcm_substream);
return 0;
}
* set up the offset and length to receive the current frequency.
*/
-static int prepare_playback_sync_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int prepare_playback_sync_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- int i, offs;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
- urb->number_of_packets = ctx->packets;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
- for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4) {
- urb->iso_frame_desc[i].length = 3;
- urb->iso_frame_desc[i].offset = offs;
- }
+ urb->iso_frame_desc[0].length = 3;
+ urb->iso_frame_desc[0].offset = 0;
return 0;
}
* set up the offset and length to receive the current frequency.
*/
-static int prepare_playback_sync_urb_hs(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int prepare_playback_sync_urb_hs(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- int i, offs;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
- urb->number_of_packets = ctx->packets;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
- for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4) {
- urb->iso_frame_desc[i].length = 4;
- urb->iso_frame_desc[i].offset = offs;
- }
+ urb->iso_frame_desc[0].length = 4;
+ urb->iso_frame_desc[0].offset = 0;
return 0;
}
* retrieve the current 10.14 frequency from pipe, and set it.
* the value is referred in prepare_playback_urb().
*/
-static int retire_playback_sync_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int retire_playback_sync_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- int i;
- unsigned int f, found;
- unsigned char *cp = urb->transfer_buffer;
+ unsigned int f;
unsigned long flags;
- found = 0;
- for (i = 0; i < urb->number_of_packets; i++, cp += 4) {
- if (urb->iso_frame_desc[i].status ||
- urb->iso_frame_desc[i].actual_length < 3)
- continue;
- f = combine_triple(cp) << 2;
-#if 0
- if (f < subs->freqn - (subs->freqn>>3) || f > subs->freqmax) {
- snd_printd(KERN_WARNING "requested frequency %d (%u,%03uHz) out of range (current nominal %d (%u,%03uHz))\n",
- f, f >> 14, (f & ((1 << 14) - 1) * 1000) / ((1 << 14) - 1),
- subs->freqn, subs->freqn >> 14, (subs->freqn & ((1 << 14) - 1) * 1000) / ((1 << 14) - 1));
- continue;
+ if (urb->iso_frame_desc[0].status == 0 &&
+ urb->iso_frame_desc[0].actual_length == 3) {
+ f = combine_triple((u8*)urb->transfer_buffer) << 2;
+ 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);
}
-#endif
- found = f;
- }
- if (found) {
- spin_lock_irqsave(&subs->lock, flags);
- subs->freqm = found;
- spin_unlock_irqrestore(&subs->lock, flags);
}
return 0;
* retrieve the current 12.13 frequency from pipe, and set it.
* the value is referred in prepare_playback_urb().
*/
-static int retire_playback_sync_urb_hs(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int retire_playback_sync_urb_hs(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- int i;
- unsigned int found;
- unsigned char *cp = urb->transfer_buffer;
+ unsigned int f;
unsigned long flags;
- found = 0;
- for (i = 0; i < urb->number_of_packets; i++, cp += 4) {
- if (urb->iso_frame_desc[i].status ||
- urb->iso_frame_desc[i].actual_length < 4)
- continue;
- found = combine_quad(cp) & 0x0fffffff;
+ if (urb->iso_frame_desc[0].status == 0 &&
+ urb->iso_frame_desc[0].actual_length == 4) {
+ f = combine_quad((u8*)urb->transfer_buffer) & 0x0fffffff;
+ 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);
+ }
}
- if (found) {
- spin_lock_irqsave(&subs->lock, flags);
- subs->freqm = found;
- 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)
+{
+ 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.
+ *
+ * We don't yet have 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)
+{
+ unsigned int i, offs, counts;
+ struct snd_urb_ctx *ctx = urb->context;
+ int stride = runtime->frame_bits >> 3;
+ offs = 0;
+ 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);
+ urb->iso_frame_desc[i].offset = offs * stride;
+ urb->iso_frame_desc[i].length = counts * stride;
+ offs += counts;
+ }
+ urb->transfer_buffer_length = offs * stride;
+ memset(urb->transfer_buffer,
+ subs->cur_audiofmt->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0,
+ offs * stride);
return 0;
}
/*
* prepare urb for playback data pipe
*
- * we copy the data directly from the pcm buffer.
- * the current position to be copied is held in hwptr field.
- * since a urb can handle only a single linear buffer, if the total
- * transferred area overflows the buffer boundary, we cannot send
- * it directly from the buffer. thus the data is once copied to
- * a temporary buffer and urb points to that.
- */
-static int prepare_playback_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+ * Since a URB can handle only a single linear buffer, we must use double
+ * buffering when the data to be transferred overflows the buffer boundary.
+ * To avoid inconsistencies when updating hwptr_done, we use double buffering
+ * for all URBs.
+ */
+static int prepare_playback_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
int i, stride, offs;
unsigned int counts;
unsigned long flags;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
+ int period_elapsed = 0;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
stride = runtime->frame_bits >> 3;
urb->number_of_packets = 0;
spin_lock_irqsave(&subs->lock, flags);
for (i = 0; i < ctx->packets; i++) {
- /* calculate the size of a packet */
- if (subs->fill_max)
- counts = subs->maxframesize; /* fixed */
- else {
- subs->phase = (subs->phase & 0xffff) + subs->freqm;
- counts = subs->phase >> 16;
- if (counts > subs->maxframesize)
- counts = subs->maxframesize;
- }
+ counts = snd_usb_audio_next_packet_size(subs);
/* set up descriptor */
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
urb->number_of_packets++;
- subs->transfer_sched += counts;
- if (subs->transfer_sched >= runtime->period_size) {
- subs->transfer_sched -= runtime->period_size;
+ subs->transfer_done += counts;
+ if (subs->transfer_done >= runtime->period_size) {
+ subs->transfer_done -= runtime->period_size;
+ period_elapsed = 1;
if (subs->fmt_type == USB_FORMAT_TYPE_II) {
- if (subs->transfer_sched > 0) {
- /* FIXME: fill-max mode is not supported yet */
- offs -= subs->transfer_sched;
- counts -= subs->transfer_sched;
- urb->iso_frame_desc[i].length = counts * stride;
- subs->transfer_sched = 0;
+ if (subs->transfer_done > 0) {
+ /* FIXME: fill-max mode is not
+ * supported yet */
+ offs -= subs->transfer_done;
+ counts -= subs->transfer_done;
+ urb->iso_frame_desc[i].length =
+ counts * stride;
+ subs->transfer_done = 0;
}
i++;
if (i < ctx->packets) {
/* add a transfer delimiter */
- urb->iso_frame_desc[i].offset = offs * stride;
+ urb->iso_frame_desc[i].offset =
+ offs * stride;
urb->iso_frame_desc[i].length = 0;
urb->number_of_packets++;
}
+ break;
}
- break;
}
+ /* finish at the frame boundary at/after the period boundary */
+ if (period_elapsed &&
+ (i & (subs->packs_per_ms - 1)) == subs->packs_per_ms - 1)
+ break;
}
- if (subs->hwptr + offs > runtime->buffer_size) {
- /* err, the transferred area goes over buffer boundary.
- * copy the data to the temp buffer.
- */
- int len;
- len = runtime->buffer_size - subs->hwptr;
- urb->transfer_buffer = subs->tmpbuf;
- memcpy(subs->tmpbuf, runtime->dma_area + subs->hwptr * stride, len * stride);
- memcpy(subs->tmpbuf + len * stride, runtime->dma_area, (offs - len) * stride);
- subs->hwptr += offs;
- subs->hwptr -= runtime->buffer_size;
+ if (subs->hwptr_done + offs > runtime->buffer_size) {
+ /* err, the transferred area goes over buffer boundary. */
+ unsigned int len = runtime->buffer_size - subs->hwptr_done;
+ memcpy(urb->transfer_buffer,
+ runtime->dma_area + subs->hwptr_done * stride,
+ len * stride);
+ memcpy(urb->transfer_buffer + len * stride,
+ runtime->dma_area,
+ (offs - len) * stride);
} else {
- /* set the buffer pointer */
- urb->transfer_buffer = runtime->dma_area + subs->hwptr * stride;
- subs->hwptr += offs;
+ memcpy(urb->transfer_buffer,
+ runtime->dma_area + subs->hwptr_done * stride,
+ offs * stride);
}
+ subs->hwptr_done += offs;
+ if (subs->hwptr_done >= runtime->buffer_size)
+ subs->hwptr_done -= runtime->buffer_size;
spin_unlock_irqrestore(&subs->lock, flags);
urb->transfer_buffer_length = offs * stride;
- ctx->transfer = offs;
-
+ if (period_elapsed)
+ snd_pcm_period_elapsed(subs->pcm_substream);
return 0;
}
/*
* process after playback data complete
- *
- * update the current position and call callback if a period is processed.
+ * - nothing to do
*/
-static int retire_playback_urb(snd_usb_substream_t *subs,
- snd_pcm_runtime_t *runtime,
+static int retire_playback_urb(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
struct urb *urb)
{
- unsigned long flags;
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
-
- spin_lock_irqsave(&subs->lock, flags);
- subs->transfer_done += ctx->transfer;
- subs->hwptr_done += ctx->transfer;
- ctx->transfer = 0;
- if (subs->hwptr_done >= runtime->buffer_size)
- subs->hwptr_done -= runtime->buffer_size;
- if (subs->transfer_done >= runtime->period_size) {
- subs->transfer_done -= runtime->period_size;
- spin_unlock_irqrestore(&subs->lock, flags);
- snd_pcm_period_elapsed(subs->pcm_substream);
- } else
- spin_unlock_irqrestore(&subs->lock, flags);
return 0;
}
*/
static struct snd_urb_ops audio_urb_ops[2] = {
{
- .prepare = prepare_playback_urb,
+ .prepare = prepare_startup_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_playback_urb,
+ .prepare = prepare_startup_playback_urb,
.retire = retire_playback_urb,
.prepare_sync = prepare_playback_sync_urb_hs,
.retire_sync = retire_playback_sync_urb_hs,
*/
static void snd_complete_urb(struct urb *urb, struct pt_regs *regs)
{
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
- snd_usb_substream_t *subs = ctx->subs;
- snd_pcm_substream_t *substream = ctx->subs->pcm_substream;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_usb_substream *subs = ctx->subs;
+ struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
if ((subs->running && subs->ops.retire(subs, substream->runtime, urb)) ||
*/
static void snd_complete_sync_urb(struct urb *urb, struct pt_regs *regs)
{
- snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context;
- snd_usb_substream_t *subs = ctx->subs;
- snd_pcm_substream_t *substream = ctx->subs->pcm_substream;
+ struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
+ struct snd_usb_substream *subs = ctx->subs;
+ struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
if ((subs->running && subs->ops.retire_sync(subs, substream->runtime, urb)) ||
}
+/* get the physical page pointer at the given offset */
+static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs,
+ unsigned long offset)
+{
+ void *pageptr = subs->runtime->dma_area + offset;
+ return vmalloc_to_page(pageptr);
+}
+
+/* allocate virtual buffer; may be called more than once */
+static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t size)
+{
+ struct snd_pcm_runtime *runtime = subs->runtime;
+ if (runtime->dma_area) {
+ if (runtime->dma_bytes >= size)
+ return 0; /* already large enough */
+ vfree(runtime->dma_area);
+ }
+ runtime->dma_area = vmalloc(size);
+ if (! runtime->dma_area)
+ return -ENOMEM;
+ runtime->dma_bytes = size;
+ return 0;
+}
+
+/* free virtual buffer; may be called more than once */
+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;
+ return 0;
+}
+
+
/*
* unlink active urbs.
*/
-static int deactivate_urbs(snd_usb_substream_t *subs, int force, int can_sleep)
+static int deactivate_urbs(struct snd_usb_substream *subs, int force, int can_sleep)
{
unsigned int i;
int async;
if (test_bit(i, &subs->active_mask)) {
if (! test_and_set_bit(i, &subs->unlink_mask)) {
struct urb *u = subs->dataurb[i].urb;
- if (async) {
- u->transfer_flags |= URB_ASYNC_UNLINK;
+ if (async)
usb_unlink_urb(u);
- } else
+ else
usb_kill_urb(u);
}
}
if (test_bit(i+16, &subs->active_mask)) {
if (! test_and_set_bit(i+16, &subs->unlink_mask)) {
struct urb *u = subs->syncurb[i].urb;
- if (async) {
- u->transfer_flags |= URB_ASYNC_UNLINK;
+ if (async)
usb_unlink_urb(u);
- } else
+ else
usb_kill_urb(u);
}
}
}
+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
*/
-static int start_urbs(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime)
+static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime)
{
unsigned int i;
int err;
subs->unlink_mask = 0;
subs->running = 1;
for (i = 0; i < subs->nurbs; i++) {
- 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);
+ 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));
goto __error;
}
set_bit(i, &subs->active_mask);
}
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
- 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);
+ 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));
goto __error;
}
set_bit(i + 16, &subs->active_mask);
/*
* wait until all urbs are processed.
*/
-static int wait_clear_urbs(snd_usb_substream_t *subs)
+static int wait_clear_urbs(struct snd_usb_substream *subs)
{
- int timeout = HZ;
+ unsigned long end_time = jiffies + msecs_to_jiffies(1000);
unsigned int i;
int alive;
}
if (! alive)
break;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
- } while (--timeout > 0);
+ schedule_timeout_uninterruptible(1);
+ } while (time_before(jiffies, end_time));
if (alive)
snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive);
return 0;
/*
* return the current pcm pointer. just return the hwptr_done value.
*/
-static snd_pcm_uframes_t snd_usb_pcm_pointer(snd_pcm_substream_t *substream)
+static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream)
{
- snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data;
- return subs->hwptr_done;
+ struct snd_usb_substream *subs;
+ snd_pcm_uframes_t hwptr_done;
+
+ subs = (struct snd_usb_substream *)substream->runtime->private_data;
+ spin_lock(&subs->lock);
+ hwptr_done = subs->hwptr_done;
+ spin_unlock(&subs->lock);
+ return hwptr_done;
}
/*
- * start/stop substream
+ * start/stop playback substream
*/
-static int snd_usb_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
+static int snd_usb_pcm_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
{
- snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data;
- int err;
+ struct snd_usb_substream *subs = substream->runtime->private_data;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- err = start_urbs(subs, substream->runtime);
- break;
+ subs->ops.prepare = prepare_playback_urb;
+ return 0;
case SNDRV_PCM_TRIGGER_STOP:
- err = deactivate_urbs(subs, 0, 0);
- break;
+ return deactivate_urbs(subs, 0, 0);
default:
- err = -EINVAL;
- break;
+ return -EINVAL;
+ }
+}
+
+/*
+ * start/stop capture substream
+ */
+static int snd_usb_pcm_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_usb_substream *subs = substream->runtime->private_data;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ return start_urbs(subs, substream->runtime);
+ case SNDRV_PCM_TRIGGER_STOP:
+ return deactivate_urbs(subs, 0, 0);
+ default:
+ return -EINVAL;
}
- return err < 0 ? err : 0;
}
/*
* release a urb data
*/
-static void release_urb_ctx(snd_urb_ctx_t *u)
+static void release_urb_ctx(struct snd_urb_ctx *u)
{
if (u->urb) {
+ if (u->buffer_size)
+ usb_buffer_free(u->subs->dev, u->buffer_size,
+ u->urb->transfer_buffer,
+ u->urb->transfer_dma);
usb_free_urb(u->urb);
u->urb = NULL;
}
- if (u->buf) {
- kfree(u->buf);
- u->buf = NULL;
- }
}
/*
* release a substream
*/
-static void release_substream_urbs(snd_usb_substream_t *subs, int force)
+static void release_substream_urbs(struct snd_usb_substream *subs, int force)
{
int i;
release_urb_ctx(&subs->dataurb[i]);
for (i = 0; i < SYNC_URBS; i++)
release_urb_ctx(&subs->syncurb[i]);
- if (subs->tmpbuf) {
- kfree(subs->tmpbuf);
- subs->tmpbuf = NULL;
- }
+ usb_buffer_free(subs->dev, SYNC_URBS * 4,
+ subs->syncbuf, subs->sync_dma);
+ subs->syncbuf = NULL;
subs->nurbs = 0;
}
/*
* initialize a substream for plaback/capture
*/
-static int init_substream_urbs(snd_usb_substream_t *subs, unsigned int period_bytes,
+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;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
- unsigned int npacks[MAX_URBS], urb_packs, total_packs;
+ unsigned int npacks[MAX_URBS], urb_packs, total_packs, packs_per_ms;
/* calculate the frequency in 16.16 format */
if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
else
subs->freqn = get_usb_high_speed_rate(rate);
subs->freqm = subs->freqn;
- subs->freqmax = subs->freqn + (subs->freqn >> 2); /* max. allowed frequency */
- subs->phase = 0;
-
- /* calculate the max. size of packet */
- maxsize = ((subs->freqmax + 0xffff) * (frame_bits >> 3)) >> 16;
- if (subs->maxpacksize && maxsize > subs->maxpacksize) {
- //snd_printd(KERN_DEBUG "maxsize %d is greater than defined size %d\n",
- // maxsize, subs->maxpacksize);
+ /* calculate max. frequency */
+ if (subs->maxpacksize) {
+ /* whatever fits into a max. size packet */
maxsize = subs->maxpacksize;
+ subs->freqmax = (maxsize / (frame_bits >> 3))
+ << (16 - subs->datainterval);
+ } else {
+ /* no max. packet size: just take 25% higher than nominal */
+ subs->freqmax = subs->freqn + (subs->freqn >> 2);
+ maxsize = ((subs->freqmax + 0xffff) * (frame_bits >> 3))
+ >> (16 - subs->datainterval);
}
+ subs->phase = 0;
if (subs->fill_max)
subs->curpacksize = subs->maxpacksize;
else
subs->curpacksize = maxsize;
- if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
- urb_packs = nrpacks;
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH)
+ packs_per_ms = 8 >> subs->datainterval;
else
- urb_packs = nrpacks * 8;
+ packs_per_ms = 1;
+ subs->packs_per_ms = packs_per_ms;
- /* allocate a temporary buffer for playback */
if (is_playback) {
- subs->tmpbuf = kmalloc(maxsize * urb_packs, GFP_KERNEL);
- if (! subs->tmpbuf) {
- snd_printk(KERN_ERR "cannot malloc tmpbuf\n");
- return -ENOMEM;
- }
- }
+ urb_packs = nrpacks;
+ urb_packs = max(urb_packs, (unsigned int)MIN_PACKS_URB);
+ urb_packs = min(urb_packs, (unsigned int)MAX_PACKS);
+ } else
+ urb_packs = 1;
+ urb_packs *= packs_per_ms;
/* decide how many packets to be used */
- total_packs = (period_bytes + maxsize - 1) / maxsize;
- if (total_packs < 2 * MIN_PACKS_URB)
- total_packs = 2 * MIN_PACKS_URB;
+ if (is_playback) {
+ unsigned int minsize;
+ /* determine how small a packet can be */
+ minsize = (subs->freqn >> (16 - subs->datainterval))
+ * (frame_bits >> 3);
+ /* with sync from device, assume it can be 12% lower */
+ if (subs->syncpipe)
+ minsize -= minsize >> 3;
+ minsize = max(minsize, 1u);
+ total_packs = (period_bytes + minsize - 1) / minsize;
+ /* round up to multiple of packs_per_ms */
+ 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;
+ } else {
+ total_packs = MAX_URBS * urb_packs;
+ }
subs->nurbs = (total_packs + urb_packs - 1) / urb_packs;
if (subs->nurbs > MAX_URBS) {
/* too much... */
subs->nurbs = 2;
npacks[0] = (total_packs + 1) / 2;
npacks[1] = total_packs - npacks[0];
- } else if (npacks[subs->nurbs-1] < MIN_PACKS_URB) {
+ } 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 */
/* allocate and initialize data urbs */
for (i = 0; i < subs->nurbs; i++) {
- snd_urb_ctx_t *u = &subs->dataurb[i];
+ struct snd_urb_ctx *u = &subs->dataurb[i];
u->index = i;
u->subs = subs;
- u->transfer = 0;
u->packets = npacks[i];
+ u->buffer_size = maxsize * u->packets;
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
- if (! is_playback) {
- /* allocate a capture buffer per urb */
- u->buf = kmalloc(maxsize * u->packets, GFP_KERNEL);
- if (! u->buf) {
- release_substream_urbs(subs, 0);
- return -ENOMEM;
- }
- }
u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);
- if (! u->urb) {
- release_substream_urbs(subs, 0);
- return -ENOMEM;
- }
- u->urb->dev = subs->dev;
+ 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)
+ goto out_of_memory;
u->urb->pipe = subs->datapipe;
- u->urb->transfer_flags = URB_ISO_ASAP;
- u->urb->number_of_packets = u->packets;
- u->urb->interval = 1;
+ u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
+ u->urb->interval = 1 << subs->datainterval;
u->urb->context = u;
- u->urb->complete = snd_usb_complete_callback(snd_complete_urb);
+ u->urb->complete = snd_complete_urb;
}
if (subs->syncpipe) {
/* allocate and initialize sync urbs */
+ subs->syncbuf = usb_buffer_alloc(subs->dev, SYNC_URBS * 4,
+ GFP_KERNEL, &subs->sync_dma);
+ if (! subs->syncbuf)
+ goto out_of_memory;
for (i = 0; i < SYNC_URBS; i++) {
- snd_urb_ctx_t *u = &subs->syncurb[i];
+ struct snd_urb_ctx *u = &subs->syncurb[i];
u->index = i;
u->subs = subs;
- u->packets = nrpacks;
- u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);
- if (! u->urb) {
- release_substream_urbs(subs, 0);
- return -ENOMEM;
- }
- u->urb->transfer_buffer = subs->syncbuf + i * nrpacks * 4;
- u->urb->transfer_buffer_length = nrpacks * 4;
- u->urb->dev = subs->dev;
+ u->packets = 1;
+ u->urb = usb_alloc_urb(1, GFP_KERNEL);
+ if (! u->urb)
+ goto out_of_memory;
+ u->urb->transfer_buffer = subs->syncbuf + i * 4;
+ u->urb->transfer_dma = subs->sync_dma + i * 4;
+ u->urb->transfer_buffer_length = 4;
u->urb->pipe = subs->syncpipe;
- u->urb->transfer_flags = URB_ISO_ASAP;
- u->urb->number_of_packets = u->packets;
- if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH)
- u->urb->interval = 8;
- else
- u->urb->interval = 1;
+ u->urb->transfer_flags = URB_ISO_ASAP |
+ URB_NO_TRANSFER_DMA_MAP;
+ u->urb->number_of_packets = 1;
+ u->urb->interval = 1 << subs->syncinterval;
u->urb->context = u;
- u->urb->complete = snd_usb_complete_callback(snd_complete_sync_urb);
+ u->urb->complete = snd_complete_sync_urb;
}
}
return 0;
+
+out_of_memory:
+ release_substream_urbs(subs, 0);
+ return -ENOMEM;
}
/*
* find a matching audio format
*/
-static struct audioformat *find_format(snd_usb_substream_t *subs, unsigned int format,
+static struct audioformat *find_format(struct snd_usb_substream *subs, unsigned int format,
unsigned int rate, unsigned int channels)
{
struct list_head *p;
/*
* find a matching format and set up the interface
*/
-static int set_format(snd_usb_substream_t *subs, struct audioformat *fmt)
+static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
{
struct usb_device *dev = subs->dev;
struct usb_host_interface *alts;
subs->datapipe = usb_sndisocpipe(dev, ep);
else
subs->datapipe = usb_rcvisocpipe(dev, ep);
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH &&
+ get_endpoint(alts, 0)->bInterval >= 1 &&
+ get_endpoint(alts, 0)->bInterval <= 4)
+ subs->datainterval = get_endpoint(alts, 0)->bInterval - 1;
+ else
+ subs->datainterval = 0;
subs->syncpipe = subs->syncinterval = 0;
subs->maxpacksize = fmt->maxpacksize;
subs->fill_max = 0;
subs->syncpipe = usb_rcvisocpipe(dev, ep);
else
subs->syncpipe = usb_sndisocpipe(dev, ep);
- subs->syncinterval = get_endpoint(alts, 1)->bRefresh;
+ if (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
+ get_endpoint(alts, 1)->bRefresh >= 1 &&
+ get_endpoint(alts, 1)->bRefresh <= 9)
+ subs->syncinterval = get_endpoint(alts, 1)->bRefresh;
+ else if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
+ subs->syncinterval = 1;
+ else if (get_endpoint(alts, 1)->bInterval >= 1 &&
+ get_endpoint(alts, 1)->bInterval <= 16)
+ subs->syncinterval = get_endpoint(alts, 1)->bInterval - 1;
+ else
+ subs->syncinterval = 3;
}
/* always fill max packet size */
* if sg buffer is supported on the later version of alsa, we'll follow
* that.
*/
-static int snd_usb_hw_params(snd_pcm_substream_t *substream,
- snd_pcm_hw_params_t *hw_params)
+static int snd_usb_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
- snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data;
+ struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
struct audioformat *fmt;
unsigned int channels, rate, format;
int ret, changed;
- ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+ ret = snd_pcm_alloc_vmalloc_buffer(substream,
+ params_buffer_bytes(hw_params));
if (ret < 0)
return ret;
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
if (! fmt) {
- snd_printd(KERN_DEBUG "cannot set format: format = %s, rate = %d, channels = %d\n",
- snd_pcm_format_name(format), rate, channels);
+ snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
+ format, rate, channels);
return -EINVAL;
}
*
* reset the audio format and release the buffer
*/
-static int snd_usb_hw_free(snd_pcm_substream_t *substream)
+static int snd_usb_hw_free(struct snd_pcm_substream *substream)
{
- snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data;
+ struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;
subs->period_bytes = 0;
release_substream_urbs(subs, 0);
- return snd_pcm_lib_free_pages(substream);
+ return snd_pcm_free_vmalloc_buffer(substream);
}
/*
*
* only a few subtle things...
*/
-static int snd_usb_pcm_prepare(snd_pcm_substream_t *substream)
+static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
- snd_usb_substream_t *subs = (snd_usb_substream_t *)runtime->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_usb_substream *subs = runtime->private_data;
if (! subs->cur_audiofmt) {
snd_printk(KERN_ERR "usbaudio: no format is specified!\n");
subs->curframesize = bytes_to_frames(runtime, subs->curpacksize);
/* reset the pointer */
- subs->hwptr = 0;
subs->hwptr_done = 0;
- subs->transfer_sched = 0;
subs->transfer_done = 0;
subs->phase = 0;
deactivate_urbs(subs, 0, 1);
wait_clear_urbs(subs);
- return 0;
+ /* 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;
+ return start_urbs(subs, runtime);
+ } else
+ return 0;
}
-static snd_pcm_hardware_t snd_usb_playback =
+static struct snd_pcm_hardware snd_usb_playback =
{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID),
- .buffer_bytes_max = (128*1024),
+ .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 = (128*1024),
+ .period_bytes_max = 512 * 1024,
.periods_min = 2,
.periods_max = 1024,
};
-static snd_pcm_hardware_t snd_usb_capture =
+static struct snd_pcm_hardware snd_usb_capture =
{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID),
- .buffer_bytes_max = (128*1024),
+ .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 = (128*1024),
+ .period_bytes_max = 512 * 1024,
.periods_min = 2,
.periods_max = 1024,
};
#define hwc_debug(fmt, args...) /**/
#endif
-static int hw_check_valid_format(snd_pcm_hw_params_t *params, struct audioformat *fp)
+static int hw_check_valid_format(struct snd_pcm_hw_params *params, struct audioformat *fp)
{
- snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
- snd_interval_t *ct = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
- snd_mask_t *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+ struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *ct = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ struct snd_mask *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
/* check the format */
if (! snd_mask_test(fmts, fp->format)) {
return 1;
}
-static int hw_rule_rate(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int hw_rule_rate(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_usb_substream_t *subs = rule->private;
+ struct snd_usb_substream *subs = rule->private;
struct list_head *p;
- snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
unsigned int rmin, rmax;
int changed;
}
-static int hw_rule_channels(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int hw_rule_channels(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_usb_substream_t *subs = rule->private;
+ struct snd_usb_substream *subs = rule->private;
struct list_head *p;
- snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
unsigned int rmin, rmax;
int changed;
return changed;
}
-static int hw_rule_format(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int hw_rule_format(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_usb_substream_t *subs = rule->private;
+ struct snd_usb_substream *subs = rule->private;
struct list_head *p;
- snd_mask_t *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+ struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
u64 fbits;
u32 oldbits[2];
int changed;
/*
* check whether the registered audio formats need special hw-constraints
*/
-static int check_hw_params_convention(snd_usb_substream_t *subs)
+static int check_hw_params_convention(struct snd_usb_substream *subs)
{
int i;
u32 *channels;
* set up the runtime hardware information.
*/
-static int setup_hw_info(snd_pcm_runtime_t *runtime, snd_usb_substream_t *subs)
+static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substream *subs)
{
struct list_head *p;
int err;
return 0;
}
-static int snd_usb_pcm_open(snd_pcm_substream_t *substream, int direction,
- snd_pcm_hardware_t *hw)
+static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction,
+ struct snd_pcm_hardware *hw)
{
- snd_usb_stream_t *as = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
- snd_usb_substream_t *subs = &as->substream[direction];
+ struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_usb_substream *subs = &as->substream[direction];
subs->interface = -1;
subs->format = 0;
return setup_hw_info(runtime, subs);
}
-static int snd_usb_pcm_close(snd_pcm_substream_t *substream, int direction)
+static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
{
- snd_usb_stream_t *as = snd_pcm_substream_chip(substream);
- snd_usb_substream_t *subs = &as->substream[direction];
+ struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
+ struct snd_usb_substream *subs = &as->substream[direction];
if (subs->interface >= 0) {
usb_set_interface(subs->dev, subs->interface, 0);
return 0;
}
-static int snd_usb_playback_open(snd_pcm_substream_t *substream)
+static int snd_usb_playback_open(struct snd_pcm_substream *substream)
{
return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK, &snd_usb_playback);
}
-static int snd_usb_playback_close(snd_pcm_substream_t *substream)
+static int snd_usb_playback_close(struct snd_pcm_substream *substream)
{
return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_PLAYBACK);
}
-static int snd_usb_capture_open(snd_pcm_substream_t *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);
}
-static int snd_usb_capture_close(snd_pcm_substream_t *substream)
+static int snd_usb_capture_close(struct snd_pcm_substream *substream)
{
return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE);
}
-static snd_pcm_ops_t snd_usb_playback_ops = {
+static struct snd_pcm_ops snd_usb_playback_ops = {
.open = snd_usb_playback_open,
.close = snd_usb_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_usb_hw_params,
.hw_free = snd_usb_hw_free,
.prepare = snd_usb_pcm_prepare,
- .trigger = snd_usb_pcm_trigger,
+ .trigger = snd_usb_pcm_playback_trigger,
.pointer = snd_usb_pcm_pointer,
+ .page = snd_pcm_get_vmalloc_page,
};
-static snd_pcm_ops_t snd_usb_capture_ops = {
+static struct snd_pcm_ops snd_usb_capture_ops = {
.open = snd_usb_capture_open,
.close = snd_usb_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_usb_hw_params,
.hw_free = snd_usb_hw_free,
.prepare = snd_usb_pcm_prepare,
- .trigger = snd_usb_pcm_trigger,
+ .trigger = snd_usb_pcm_capture_trigger,
.pointer = snd_usb_pcm_pointer,
+ .page = snd_pcm_get_vmalloc_page,
};
MODULE_DEVICE_TABLE (usb, usb_audio_ids);
static struct usb_driver usb_audio_driver = {
- .owner = THIS_MODULE,
.name = "snd-usb-audio",
.probe = usb_audio_probe,
.disconnect = usb_audio_disconnect,
};
+#if defined(CONFIG_PROCFS) && defined(CONFIG_SND_VERBOSE_PROCFS)
+
/*
* proc interface for list the supported pcm formats
*/
-static void proc_dump_substream_formats(snd_usb_substream_t *subs, snd_info_buffer_t *buffer)
+static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
{
struct list_head *p;
static char *sync_types[4] = {
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: %s\n", snd_pcm_format_name(fp->format));
+ snd_iprintf(buffer, " Format: 0x%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,
}
}
-static void proc_dump_substream_status(snd_usb_substream_t *subs, snd_info_buffer_t *buffer)
+static void proc_dump_substream_status(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
{
if (subs->running) {
unsigned int i;
snd_iprintf(buffer, "%d ", subs->dataurb[i].packets);
snd_iprintf(buffer, "]\n");
snd_iprintf(buffer, " Packet Size = %d\n", subs->curpacksize);
- snd_iprintf(buffer, " Momentary freq = %u Hz\n",
+ snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n",
snd_usb_get_speed(subs->dev) == USB_SPEED_FULL
? get_full_speed_hz(subs->freqm)
- : get_high_speed_hz(subs->freqm));
+ : get_high_speed_hz(subs->freqm),
+ subs->freqm >> 16, subs->freqm & 0xffff);
} else {
snd_iprintf(buffer, " Status: Stop\n");
}
}
-static void proc_pcm_format_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void proc_pcm_format_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
- snd_usb_stream_t *stream = entry->private_data;
+ struct snd_usb_stream *stream = entry->private_data;
snd_iprintf(buffer, "%s : %s\n", stream->chip->card->longname, stream->pcm->name);
}
}
-static void proc_pcm_format_add(snd_usb_stream_t *stream)
+static void proc_pcm_format_add(struct snd_usb_stream *stream)
{
- snd_info_entry_t *entry;
+ struct snd_info_entry *entry;
char name[32];
- snd_card_t *card = stream->chip->card;
+ struct snd_card *card = stream->chip->card;
sprintf(name, "stream%d", stream->pcm_index);
if (! snd_card_proc_new(card, name, &entry))
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.
*/
-static void init_substream(snd_usb_stream_t *as, int stream, struct audioformat *fp)
+static void init_substream(struct snd_usb_stream *as, int stream, struct audioformat *fp)
{
- snd_usb_substream_t *subs = &as->substream[stream];
+ struct snd_usb_substream *subs = &as->substream[stream];
INIT_LIST_HEAD(&subs->fmt_list);
spin_lock_init(&subs->lock);
subs->ops = audio_urb_ops[stream];
else
subs->ops = audio_urb_ops_high_speed[stream];
- snd_pcm_lib_preallocate_pages(as->pcm->streams[stream].substream,
- SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
- 64 * 1024, 128 * 1024);
snd_pcm_set_ops(as->pcm, stream,
stream == SNDRV_PCM_STREAM_PLAYBACK ?
&snd_usb_playback_ops : &snd_usb_capture_ops);
/*
* free a substream
*/
-static void free_substream(snd_usb_substream_t *subs)
+static void free_substream(struct snd_usb_substream *subs)
{
struct list_head *p, *n;
/*
* free a usb stream instance
*/
-static void snd_usb_audio_stream_free(snd_usb_stream_t *stream)
+static void snd_usb_audio_stream_free(struct snd_usb_stream *stream)
{
free_substream(&stream->substream[0]);
free_substream(&stream->substream[1]);
kfree(stream);
}
-static void snd_usb_audio_pcm_free(snd_pcm_t *pcm)
+static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)
{
- snd_usb_stream_t *stream = pcm->private_data;
+ struct snd_usb_stream *stream = pcm->private_data;
if (stream) {
stream->pcm = NULL;
- snd_pcm_lib_preallocate_free_for_all(pcm);
snd_usb_audio_stream_free(stream);
}
}
* if a stream with the same endpoint already exists, append to it.
* if not, create a new pcm stream.
*/
-static int add_audio_endpoint(snd_usb_audio_t *chip, int stream, struct audioformat *fp)
+static int add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct audioformat *fp)
{
struct list_head *p;
- snd_usb_stream_t *as;
- snd_usb_substream_t *subs;
- snd_pcm_t *pcm;
+ struct snd_usb_stream *as;
+ struct snd_usb_substream *subs;
+ struct snd_pcm *pcm;
int err;
list_for_each(p, &chip->pcm_list) {
- as = list_entry(p, snd_usb_stream_t, list);
+ as = list_entry(p, struct snd_usb_stream, list);
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
}
/* look for an empty stream */
list_for_each(p, &chip->pcm_list) {
- as = list_entry(p, snd_usb_stream_t, list);
+ as = list_entry(p, struct snd_usb_stream, list);
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
/*
* check if the device uses big-endian samples
*/
-static int is_big_endian_format(struct usb_device *dev, struct audioformat *fp)
+static int is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
{
- /* M-Audio */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763) {
- /* Quattro: captured data only */
- if (le16_to_cpu(dev->descriptor.idProduct) == 0x2001 &&
- fp->endpoint & USB_DIR_IN)
- return 1;
- /* Audiophile USB */
- if (le16_to_cpu(dev->descriptor.idProduct) == 0x2003)
+ switch (chip->usb_id) {
+ case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
+ if (fp->endpoint & USB_DIR_IN)
return 1;
+ break;
+ case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
+ return 1;
}
return 0;
}
* @format: the format tag (wFormatTag)
* @fmt: the format type descriptor
*/
-static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat *fp,
+static int parse_audio_format_i_type(struct snd_usb_audio *chip, struct audioformat *fp,
int format, unsigned char *fmt)
{
int pcm_format;
switch (format) {
case 0: /* some devices don't define this correctly... */
snd_printdd(KERN_INFO "%d:%u:%d : format type 0 is detected, processed as PCM\n",
- dev->devnum, fp->iface, fp->altsetting);
+ chip->dev->devnum, fp->iface, fp->altsetting);
/* fall-through */
case USB_AUDIO_FORMAT_PCM:
if (sample_width > sample_bytes * 8) {
snd_printk(KERN_INFO "%d:%u:%d : sample bitwidth %d in over sample bytes %d\n",
- dev->devnum, fp->iface, fp->altsetting,
+ chip->dev->devnum, fp->iface, fp->altsetting,
sample_width, sample_bytes);
}
/* check the format byte size */
pcm_format = SNDRV_PCM_FORMAT_S8;
break;
case 2:
- if (is_big_endian_format(dev, fp))
+ if (is_big_endian_format(chip, fp))
pcm_format = SNDRV_PCM_FORMAT_S16_BE; /* grrr, big endian!! */
else
pcm_format = SNDRV_PCM_FORMAT_S16_LE;
break;
case 3:
- if (is_big_endian_format(dev, fp))
+ if (is_big_endian_format(chip, fp))
pcm_format = SNDRV_PCM_FORMAT_S24_3BE; /* grrr, big endian!! */
else
pcm_format = SNDRV_PCM_FORMAT_S24_3LE;
break;
default:
snd_printk(KERN_INFO "%d:%u:%d : unsupported sample bitwidth %d in %d bytes\n",
- dev->devnum, fp->iface, fp->altsetting, sample_width, sample_bytes);
+ chip->dev->devnum, fp->iface,
+ fp->altsetting, sample_width, sample_bytes);
break;
}
break;
case USB_AUDIO_FORMAT_PCM8:
/* Dallas DS4201 workaround */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x04fa &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x4201)
+ if (chip->usb_id == USB_ID(0x04fa, 0x4201))
pcm_format = SNDRV_PCM_FORMAT_S8;
else
pcm_format = SNDRV_PCM_FORMAT_U8;
break;
default:
snd_printk(KERN_INFO "%d:%u:%d : unsupported format type %d\n",
- dev->devnum, fp->iface, fp->altsetting, format);
+ chip->dev->devnum, fp->iface, fp->altsetting, format);
break;
}
return pcm_format;
* @offset: the start offset of descriptor pointing the rate type
* (7 for type I and II, 8 for type II)
*/
-static int parse_audio_format_rates(struct usb_device *dev, struct audioformat *fp,
+static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioformat *fp,
unsigned char *fmt, int offset)
{
int nr_rates = fmt[offset];
if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) {
snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n",
- dev->devnum, fp->iface, fp->altsetting);
+ chip->dev->devnum, fp->iface, fp->altsetting);
return -1;
}
/*
* parse the format type I and III descriptors
*/
-static int parse_audio_format_i(struct usb_device *dev, struct audioformat *fp,
+static int parse_audio_format_i(struct snd_usb_audio *chip, struct audioformat *fp,
int format, unsigned char *fmt)
{
int pcm_format;
*/
pcm_format = SNDRV_PCM_FORMAT_S16_LE;
} else {
- pcm_format = parse_audio_format_i_type(dev, fp, format, fmt);
+ pcm_format = parse_audio_format_i_type(chip, fp, format, fmt);
if (pcm_format < 0)
return -1;
}
fp->channels = fmt[4];
if (fp->channels < 1) {
snd_printk(KERN_ERR "%d:%u:%d : invalid channels %d\n",
- dev->devnum, fp->iface, fp->altsetting, fp->channels);
+ chip->dev->devnum, fp->iface, fp->altsetting, fp->channels);
return -1;
}
- return parse_audio_format_rates(dev, fp, fmt, 7);
+ return parse_audio_format_rates(chip, fp, fmt, 7);
}
/*
* prase the format type II descriptor
*/
-static int parse_audio_format_ii(struct usb_device *dev, struct audioformat *fp,
+static int parse_audio_format_ii(struct snd_usb_audio *chip, struct audioformat *fp,
int format, unsigned char *fmt)
{
int brate, framesize;
break;
default:
snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n",
- dev->devnum, fp->iface, fp->altsetting, format);
+ chip->dev->devnum, fp->iface, fp->altsetting, format);
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
}
framesize = combine_word(&fmt[6]); /* fmt[6,7]: wSamplesPerFrame */
snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
fp->frame_size = framesize;
- return parse_audio_format_rates(dev, fp, fmt, 8); /* fmt[8..] sample rates */
+ return parse_audio_format_rates(chip, fp, fmt, 8); /* fmt[8..] sample rates */
}
-static int parse_audio_format(struct usb_device *dev, struct audioformat *fp,
+static int parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp,
int format, unsigned char *fmt, int stream)
{
int err;
switch (fmt[3]) {
case USB_FORMAT_TYPE_I:
case USB_FORMAT_TYPE_III:
- err = parse_audio_format_i(dev, fp, format, fmt);
+ err = parse_audio_format_i(chip, fp, format, fmt);
break;
case USB_FORMAT_TYPE_II:
- err = parse_audio_format_ii(dev, fp, format, fmt);
+ err = parse_audio_format_ii(chip, fp, format, fmt);
break;
default:
snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n",
- dev->devnum, fp->iface, fp->altsetting, fmt[3]);
+ chip->dev->devnum, fp->iface, fp->altsetting, fmt[3]);
return -1;
}
fp->fmt_type = fmt[3];
if (err < 0)
return err;
#if 1
- /* FIXME: temporary hack for extigy */
+ /* FIXME: temporary hack for extigy/audigy 2 nx/zs */
/* extigy apparently supports sample rates other than 48k
* but not in ordinary way. so we enable only 48k atm.
*/
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x3000) {
+ if (chip->usb_id == USB_ID(0x041e, 0x3000) ||
+ chip->usb_id == USB_ID(0x041e, 0x3020) ||
+ chip->usb_id == USB_ID(0x041e, 0x3061)) {
if (fmt[3] == USB_FORMAT_TYPE_I &&
- stream == SNDRV_PCM_STREAM_PLAYBACK &&
- fp->rates != SNDRV_PCM_RATE_48000)
- return -1; /* use 48k only */
+ fp->rates != SNDRV_PCM_RATE_48000 &&
+ fp->rates != SNDRV_PCM_RATE_96000)
+ return -1;
}
#endif
return 0;
}
-static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no)
+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;
struct usb_interface *iface;
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);
fp->altset_idx = i;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
- /* FIXME: decode wMaxPacketSize of high bandwith endpoints */
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ if (snd_usb_get_speed(dev) == USB_SPEED_HIGH)
+ fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)
+ * (fp->maxpacksize & 0x7ff);
fp->attributes = csep[3];
/* some quirks for attributes here */
- /* workaround for AudioTrak Optoplay */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x0a92 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x0053) {
+ switch (chip->usb_id) {
+ case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
/* Optoplay sets the sample rate attribute although
* it seems not supporting it in fact.
*/
fp->attributes &= ~EP_CS_ATTR_SAMPLE_RATE;
- }
-
- /* workaround for M-Audio Audiophile USB */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x2003) {
+ break;
+ case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
+ case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
/* doesn't set the sample rate attribute, but supports it */
fp->attributes |= EP_CS_ATTR_SAMPLE_RATE;
- }
-
+ break;
+ case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
+ case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
+ an older model 77d:223) */
/*
* plantronics headset and Griffin iMic have set adaptive-in
* although it's really not...
*/
- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x047f &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x0ca1) ||
- /* Griffin iMic (note that there is an older model 77d:223) */
- (le16_to_cpu(dev->descriptor.idVendor) == 0x077d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x07af)) {
fp->ep_attr &= ~EP_ATTR_MASK;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
fp->ep_attr |= EP_ATTR_ADAPTIVE;
else
fp->ep_attr |= EP_ATTR_SYNC;
+ break;
}
/* ok, let's parse further... */
- if (parse_audio_format(dev, fp, format, fmt, stream) < 0) {
+ if (parse_audio_format(chip, fp, format, fmt, stream) < 0) {
kfree(fp->rate_table);
kfree(fp);
continue;
}
- snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, i, fp->endpoint);
+ snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, altno, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
* disconnect streams
* called from snd_usb_audio_disconnect()
*/
-static void snd_usb_stream_disconnect(struct list_head *head, struct usb_driver *driver)
+static void snd_usb_stream_disconnect(struct list_head *head)
{
int idx;
- snd_usb_stream_t *as;
- snd_usb_substream_t *subs;
+ struct snd_usb_stream *as;
+ struct snd_usb_substream *subs;
- as = list_entry(head, snd_usb_stream_t, list);
+ as = list_entry(head, struct snd_usb_stream, list);
for (idx = 0; idx < 2; idx++) {
subs = &as->substream[idx];
if (!subs->num_formats)
/*
* parse audio control descriptor and create pcm/midi streams
*/
-static int snd_usb_create_streams(snd_usb_audio_t *chip, int ctrlif)
+static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
{
struct usb_device *dev = chip->dev;
struct usb_host_interface *host_iface;
/*
* create a stream for an endpoint/altsetting without proper descriptors
*/
-static int create_fixed_stream_quirk(snd_usb_audio_t *chip,
+static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
struct usb_interface *iface,
- const snd_usb_audio_quirk_t *quirk)
+ const struct snd_usb_audio_quirk *quirk)
{
struct audioformat *fp;
struct usb_host_interface *alts;
/*
* create a stream for an interface with proper descriptors
*/
-static int create_standard_interface_quirk(snd_usb_audio_t *chip,
- struct usb_interface *iface,
- const snd_usb_audio_quirk_t *quirk)
+static int create_standard_audio_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
{
struct usb_host_interface *alts;
struct usb_interface_descriptor *altsd;
alts = &iface->altsetting[0];
altsd = get_iface_desc(alts);
- switch (quirk->type) {
- case QUIRK_AUDIO_STANDARD_INTERFACE:
- err = parse_audio_endpoints(chip, altsd->bInterfaceNumber);
- if (!err)
- usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); /* reset the current interface */
- break;
- case QUIRK_MIDI_STANDARD_INTERFACE:
- err = snd_usb_create_midi_interface(chip, iface, NULL);
- break;
- default:
- snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
- return -ENXIO;
- }
+ err = parse_audio_endpoints(chip, altsd->bInterfaceNumber);
if (err < 0) {
snd_printk(KERN_ERR "cannot setup if %d: error %d\n",
altsd->bInterfaceNumber, err);
return err;
}
+ /* reset the current interface */
+ usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
return 0;
}
* Create a stream for an Edirol UA-700/UA-25 interface. The only way
* to detect the sample rate is by looking at wMaxPacketSize.
*/
-static int create_ua700_ua25_quirk(snd_usb_audio_t *chip,
- struct usb_interface *iface)
+static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
{
static const struct audioformat ua_format = {
.format = SNDRV_PCM_FORMAT_S24_3LE,
altsd = get_iface_desc(alts);
if (altsd->bNumEndpoints == 2) {
- static const snd_usb_midi_endpoint_info_t ua700_ep = {
+ static const struct snd_usb_midi_endpoint_info ua700_ep = {
.out_cables = 0x0003,
.in_cables = 0x0003
};
- static const snd_usb_audio_quirk_t ua700_quirk = {
+ static const struct snd_usb_audio_quirk ua700_quirk = {
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = &ua700_ep
};
- static const snd_usb_midi_endpoint_info_t ua25_ep = {
+ static const struct snd_usb_midi_endpoint_info ua25_ep = {
.out_cables = 0x0001,
.in_cables = 0x0001
};
- static const snd_usb_audio_quirk_t ua25_quirk = {
+ static const struct snd_usb_audio_quirk ua25_quirk = {
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = &ua25_ep
};
- if (le16_to_cpu(chip->dev->descriptor.idProduct) == 0x002b)
+ if (chip->usb_id == USB_ID(0x0582, 0x002b))
return snd_usb_create_midi_interface(chip, iface,
&ua700_quirk);
else
/*
* Create a stream for an Edirol UA-1000 interface.
*/
-static int create_ua1000_quirk(snd_usb_audio_t *chip, struct usb_interface *iface)
+static int create_ua1000_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
{
static const struct audioformat ua1000_format = {
.format = SNDRV_PCM_FORMAT_S32_LE,
return 0;
}
-static int snd_usb_create_quirk(snd_usb_audio_t *chip,
+static int snd_usb_create_quirk(struct snd_usb_audio *chip,
struct usb_interface *iface,
- const snd_usb_audio_quirk_t *quirk);
+ const struct snd_usb_audio_quirk *quirk);
/*
* handle the quirks for the contained interfaces
*/
-static int create_composite_quirk(snd_usb_audio_t *chip,
+static int create_composite_quirk(struct snd_usb_audio *chip,
struct usb_interface *iface,
- const snd_usb_audio_quirk_t *quirk)
+ const struct snd_usb_audio_quirk *quirk)
{
int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
int err;
return 0;
}
+static int ignore_interface_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
+{
+ return 0;
+}
+
/*
* boot quirks
return 0;
}
+static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
+{
+ u8 buf = 1;
+
+ snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ 0, 0, &buf, 1, 1000);
+ if (buf == 0) {
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ 1, 2000, NULL, 0, 1000);
+ return -ENODEV;
+ }
+ 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
* after this.
* returns a negative value at error.
*/
-static int snd_usb_create_quirk(snd_usb_audio_t *chip,
+static int snd_usb_create_quirk(struct snd_usb_audio *chip,
struct usb_interface *iface,
- const snd_usb_audio_quirk_t *quirk)
-{
- switch (quirk->type) {
- case QUIRK_MIDI_FIXED_ENDPOINT:
- case QUIRK_MIDI_YAMAHA:
- case QUIRK_MIDI_MIDIMAN:
- case QUIRK_MIDI_NOVATION:
- case QUIRK_MIDI_MOTU:
- case QUIRK_MIDI_EMAGIC:
- return snd_usb_create_midi_interface(chip, iface, quirk);
- case QUIRK_COMPOSITE:
- return create_composite_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_FIXED_ENDPOINT:
- return create_fixed_stream_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_STANDARD_INTERFACE:
- case QUIRK_MIDI_STANDARD_INTERFACE:
- return create_standard_interface_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_EDIROL_UA700_UA25:
- return create_ua700_ua25_quirk(chip, iface);
- case QUIRK_AUDIO_EDIROL_UA1000:
- return create_ua1000_quirk(chip, iface);
- case QUIRK_IGNORE_INTERFACE:
- return 0;
- default:
+ const struct snd_usb_audio_quirk *quirk)
+{
+ typedef int (*quirk_func_t)(struct snd_usb_audio *, struct usb_interface *,
+ const struct snd_usb_audio_quirk *);
+ static const quirk_func_t quirk_funcs[] = {
+ [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
+ [QUIRK_COMPOSITE] = create_composite_quirk,
+ [QUIRK_MIDI_STANDARD_INTERFACE] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_FIXED_ENDPOINT] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_YAMAHA] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_MIDIMAN] = snd_usb_create_midi_interface,
+ [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_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
+ [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
+ [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
+ [QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
+ };
+
+ if (quirk->type < QUIRK_TYPE_COUNT) {
+ return quirk_funcs[quirk->type](chip, iface, quirk);
+ } else {
snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
return -ENXIO;
}
/*
* common proc files to show the usb device info
*/
-static void proc_audio_usbbus_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void proc_audio_usbbus_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
- snd_usb_audio_t *chip = entry->private_data;
+ struct snd_usb_audio *chip = entry->private_data;
if (! chip->shutdown)
snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum);
}
-static void proc_audio_usbid_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
- snd_usb_audio_t *chip = entry->private_data;
+ struct snd_usb_audio *chip = entry->private_data;
if (! chip->shutdown)
snd_iprintf(buffer, "%04x:%04x\n",
- le16_to_cpu(chip->dev->descriptor.idVendor),
- le16_to_cpu(chip->dev->descriptor.idProduct));
+ USB_ID_VENDOR(chip->usb_id),
+ USB_ID_PRODUCT(chip->usb_id));
}
-static void snd_usb_audio_create_proc(snd_usb_audio_t *chip)
+static void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
{
- snd_info_entry_t *entry;
+ struct snd_info_entry *entry;
if (! snd_card_proc_new(chip->card, "usbbus", &entry))
snd_info_set_text_ops(entry, chip, 1024, proc_audio_usbbus_read);
if (! snd_card_proc_new(chip->card, "usbid", &entry))
*
*/
-static int snd_usb_audio_free(snd_usb_audio_t *chip)
+static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
kfree(chip);
return 0;
}
-static int snd_usb_audio_dev_free(snd_device_t *device)
+static int snd_usb_audio_dev_free(struct snd_device *device)
{
- snd_usb_audio_t *chip = device->device_data;
+ struct snd_usb_audio *chip = device->device_data;
return snd_usb_audio_free(chip);
}
* create a chip instance and set its names.
*/
static int snd_usb_audio_create(struct usb_device *dev, int idx,
- const snd_usb_audio_quirk_t *quirk,
- snd_usb_audio_t **rchip)
+ const struct snd_usb_audio_quirk *quirk,
+ struct snd_usb_audio **rchip)
{
- snd_card_t *card;
- snd_usb_audio_t *chip;
+ struct snd_card *card;
+ struct snd_usb_audio *chip;
int err, len;
char component[14];
- static snd_device_ops_t ops = {
+ static struct snd_device_ops ops = {
.dev_free = snd_usb_audio_dev_free,
};
return -ENOMEM;
}
- chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (! chip) {
snd_card_free(card);
return -ENOMEM;
chip->index = idx;
chip->dev = dev;
chip->card = card;
+ chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
INIT_LIST_HEAD(&chip->pcm_list);
INIT_LIST_HEAD(&chip->midi_list);
+ INIT_LIST_HEAD(&chip->mixer_list);
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_usb_audio_free(chip);
strcpy(card->driver, "USB-Audio");
sprintf(component, "USB%04x:%04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
+ USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id));
snd_component_add(card, component);
/* retrieve the device string as shortname */
card->shortname, sizeof(card->shortname)) <= 0) {
/* no name available from anywhere, so use ID */
sprintf(card->shortname, "USB Device %#04x:%#04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
+ USB_ID_VENDOR(chip->usb_id),
+ USB_ID_PRODUCT(chip->usb_id));
}
}
snd_usb_audio_create_proc(chip);
- snd_card_set_dev(card, &dev->dev);
-
*rchip = chip;
return 0;
}
struct usb_interface *intf,
const struct usb_device_id *usb_id)
{
- struct usb_host_config *config = dev->actconfig;
- const snd_usb_audio_quirk_t *quirk = (const snd_usb_audio_quirk_t *)usb_id->driver_info;
+ const struct snd_usb_audio_quirk *quirk = (const struct snd_usb_audio_quirk *)usb_id->driver_info;
int i, err;
- snd_usb_audio_t *chip;
+ struct snd_usb_audio *chip;
struct usb_host_interface *alts;
int ifnum;
+ u32 id;
alts = &intf->altsetting[0];
ifnum = get_iface_desc(alts)->bInterfaceNumber;
+ id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum)
goto __err_val;
/* SB Extigy needs special boot-up sequence */
/* if more models come, this will go to the quirk list. */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x3000) {
+ if (id == USB_ID(0x041e, 0x3000)) {
if (snd_usb_extigy_boot_quirk(dev, intf) < 0)
goto __err_val;
- config = dev->actconfig;
+ }
+ /* SB Audigy 2 NX needs its own boot-up magic, too */
+ if (id == USB_ID(0x041e, 0x3020)) {
+ if (snd_usb_audigy2nx_boot_quirk(dev) < 0)
+ goto __err_val;
}
/*
/* check whether it's already registered */
chip = NULL;
- down(®ister_mutex);
+ mutex_lock(®ister_mutex);
for (i = 0; i < SNDRV_CARDS; i++) {
if (usb_chip[i] && usb_chip[i]->dev == dev) {
if (usb_chip[i]->shutdown) {
/* it's a fresh one.
* now look for an empty slot and create a new card instance
*/
- /* first, set the current configuration for this device */
- if (usb_reset_configuration(dev) < 0) {
- snd_printk(KERN_ERR "cannot reset configuration (value 0x%x)\n", get_cfg_desc(config)->bConfigurationValue);
- goto __error;
- }
for (i = 0; i < SNDRV_CARDS; i++)
if (enable[i] && ! usb_chip[i] &&
- (vid[i] == -1 || vid[i] == le16_to_cpu(dev->descriptor.idVendor)) &&
- (pid[i] == -1 || pid[i] == le16_to_cpu(dev->descriptor.idProduct))) {
+ (vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) &&
+ (pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) {
if (snd_usb_audio_create(dev, i, quirk, &chip) < 0) {
goto __error;
}
+ snd_card_set_dev(chip->card, &intf->dev);
break;
}
if (! chip) {
usb_chip[chip->index] = chip;
chip->num_interfaces++;
- up(®ister_mutex);
+ mutex_unlock(®ister_mutex);
return chip;
__error:
if (chip && !chip->num_interfaces)
snd_card_free(chip->card);
- up(®ister_mutex);
+ mutex_unlock(®ister_mutex);
__err_val:
return NULL;
}
*/
static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
{
- snd_usb_audio_t *chip;
- snd_card_t *card;
+ struct snd_usb_audio *chip;
+ struct snd_card *card;
struct list_head *p;
if (ptr == (void *)-1L)
chip = ptr;
card = chip->card;
- down(®ister_mutex);
+ mutex_lock(®ister_mutex);
chip->shutdown = 1;
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
snd_card_disconnect(card);
/* release the pcm resources */
list_for_each(p, &chip->pcm_list) {
- snd_usb_stream_disconnect(p, &usb_audio_driver);
+ snd_usb_stream_disconnect(p);
}
/* release the midi resources */
list_for_each(p, &chip->midi_list) {
- snd_usbmidi_disconnect(p, &usb_audio_driver);
+ snd_usbmidi_disconnect(p);
+ }
+ /* release mixer resources */
+ list_for_each(p, &chip->mixer_list) {
+ snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
- up(®ister_mutex);
+ mutex_unlock(®ister_mutex);
snd_card_free(card);
} else {
- up(®ister_mutex);
+ mutex_unlock(®ister_mutex);
}
}
git://git.onelab.eu / linux-2.6.git / blobdiff