summaryrefslogtreecommitdiffstats
path: root/sound/usb/usx2y/usbusx2y.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/usb/usx2y/usbusx2y.h')
-rw-r--r--sound/usb/usx2y/usbusx2y.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h
new file mode 100644
index 0000000..f65f3a7
--- /dev/null
+++ b/sound/usb/usx2y/usbusx2y.h
@@ -0,0 +1,84 @@
+#ifndef USBUSX2Y_H
+#define USBUSX2Y_H
+#include "../usbaudio.h"
+#include "usbus428ctldefs.h"
+
+#define NRURBS 2
+
+
+#define URBS_AsyncSeq 10
+#define URB_DataLen_AsyncSeq 32
+typedef struct {
+ struct urb* urb[URBS_AsyncSeq];
+ char* buffer;
+} snd_usX2Y_AsyncSeq_t;
+
+typedef struct {
+ int submitted;
+ int len;
+ struct urb* urb[0];
+} snd_usX2Y_urbSeq_t;
+
+typedef struct snd_usX2Y_substream snd_usX2Y_substream_t;
+#include "usx2yhwdeppcm.h"
+
+typedef struct {
+ snd_usb_audio_t chip;
+ int stride;
+ struct urb *In04urb;
+ void *In04Buf;
+ char In04Last[24];
+ unsigned In04IntCalls;
+ snd_usX2Y_urbSeq_t *US04;
+ wait_queue_head_t In04WaitQueue;
+ snd_usX2Y_AsyncSeq_t AS04;
+ unsigned int rate,
+ format;
+ int chip_status;
+ struct semaphore prepare_mutex;
+ us428ctls_sharedmem_t *us428ctls_sharedmem;
+ int wait_iso_frame;
+ wait_queue_head_t us428ctls_wait_queue_head;
+ snd_usX2Y_hwdep_pcm_shm_t *hwdep_pcm_shm;
+ snd_usX2Y_substream_t *subs[4];
+ snd_usX2Y_substream_t * volatile prepare_subs;
+ wait_queue_head_t prepare_wait_queue;
+} usX2Ydev_t;
+
+
+struct snd_usX2Y_substream {
+ usX2Ydev_t *usX2Y;
+ snd_pcm_substream_t *pcm_substream;
+
+ int endpoint;
+ unsigned int maxpacksize; /* max packet size in bytes */
+
+ atomic_t state;
+#define state_STOPPED 0
+#define state_STARTING1 1
+#define state_STARTING2 2
+#define state_STARTING3 3
+#define state_PREPARED 4
+#define state_PRERUNNING 6
+#define state_RUNNING 8
+
+ int hwptr; /* free frame position in the buffer (only for playback) */
+ int hwptr_done; /* processed frame position in the buffer */
+ int transfer_done; /* processed frames since last period update */
+
+ struct urb *urb[NRURBS]; /* data urb table */
+ struct urb *completed_urb;
+ char *tmpbuf; /* temporary buffer for playback */
+};
+
+
+#define usX2Y(c) ((usX2Ydev_t*)(c)->private_data)
+
+int usX2Y_audio_create(snd_card_t* card);
+
+int usX2Y_AsyncSeq04_init(usX2Ydev_t* usX2Y);
+int usX2Y_In04_init(usX2Ydev_t* usX2Y);
+
+#define NAME_ALLCAPS "US-X2Y"
+
+#endif
OpenPOWER on IntegriCloud