/* SPDX-License-Identifier: GPL-2.0 */ #define MAXPACK 50 #define MAXBUFFERMS 100 #define MAXSTRIDE 3 #define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096) struct snd_usX2Y_hwdep_pcm_shm { char playback[SSS]; char capture0x8[SSS]; char capture0xA[SSS]; volatile int playback_iso_head; int playback_iso_start; struct { int frame, offset, length; } captured_iso[128]; volatile int captured_iso_head; volatile unsigned captured_iso_frames; int capture_iso_start; }; int usX2Y_hwdep_pcm_new(struct snd_card *card);