1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * Focusrite Scarlett 2 Protocol Driver for ALSA
4 * (including Scarlett 2nd Gen, 3rd Gen, 4th Gen, Clarett USB, and
5 * Clarett+ series products)
6 *
7 * Copyright (c) 2023 by Geoffrey D. Bennett <g at b4.vu>
8 */
9 #ifndef __UAPI_SOUND_SCARLETT2_H
10 #define __UAPI_SOUND_SCARLETT2_H
11
12 #include <linux/types.h>
13 #include <linux/ioctl.h>
14
15 #define SCARLETT2_HWDEP_MAJOR 1
16 #define SCARLETT2_HWDEP_MINOR 0
17 #define SCARLETT2_HWDEP_SUBMINOR 0
18
19 #define SCARLETT2_HWDEP_VERSION \
20 ((SCARLETT2_HWDEP_MAJOR << 16) | \
21 (SCARLETT2_HWDEP_MINOR << 8) | \
22 SCARLETT2_HWDEP_SUBMINOR)
23
24 #define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF)
25 #define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF)
26 #define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF)
27
28 /* Get protocol version */
29 #define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int)
30
31 /* Reboot */
32 #define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61)
33
34 /* Select flash segment */
35 #define SCARLETT2_SEGMENT_ID_SETTINGS 0
36 #define SCARLETT2_SEGMENT_ID_FIRMWARE 1
37 #define SCARLETT2_SEGMENT_ID_COUNT 2
38
39 #define SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT _IOW('S', 0x62, int)
40
41 /* Erase selected flash segment */
42 #define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO('S', 0x63)
43
44 /* Get selected flash segment erase progress
45 * 1 through to num_blocks, or 255 for complete
46 */
47 struct scarlett2_flash_segment_erase_progress {
48 unsigned char progress;
49 unsigned char num_blocks;
50 };
51 #define SCARLETT2_IOCTL_GET_ERASE_PROGRESS \
52 _IOR('S', 0x64, struct scarlett2_flash_segment_erase_progress)
53
54 #endif /* __UAPI_SOUND_SCARLETT2_H */
55
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