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 */
47struct 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 */