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); 24