usx2yhwdeppcm.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#define MAXPACK 50
 3#define MAXBUFFERMS 100
 4#define MAXSTRIDE 3
 5
 6#define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096)
 7struct snd_usx2y_hwdep_pcm_shm {
 8	char playback[SSS];
 9	char capture0x8[SSS];
10	char capture0xA[SSS];
11	volatile int playback_iso_head;
12	int playback_iso_start;
13	struct {
14		int	frame,
15			offset,
16			length;
17	} captured_iso[128];
18	volatile int captured_iso_head;
19	volatile unsigned captured_iso_frames;
20	int capture_iso_start;
21};
22
23int usx2y_hwdep_pcm_new(struct snd_card *card);