| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #define MAXPACK 50 |
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| 3 | #define MAXBUFFERMS 100 |
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| 4 | #define MAXSTRIDE 3 |
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| 5 | |
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| 6 | #define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096) |
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| 7 | struct snd_usx2y_hwdep_pcm_shm { |
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| 8 | char playback[SSS]; |
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| 9 | char capture0x8[SSS]; |
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| 10 | char capture0xA[SSS]; |
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| 11 | volatile int playback_iso_head; |
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| 12 | int playback_iso_start; |
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| 13 | struct { |
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| 14 | int frame, |
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| 15 | offset, |
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| 16 | length; |
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| 17 | } captured_iso[128]; |
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| 18 | volatile int captured_iso_head; |
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| 19 | volatile unsigned captured_iso_frames; |
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| 20 | int capture_iso_start; |
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| 21 | }; |
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| 22 | |
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| 23 | int usx2y_hwdep_pcm_new(struct snd_card *card); |
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| 24 | |
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