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)
7 struct 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
23 int usx2y_hwdep_pcm_new(struct snd_card *card);
24
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