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Filename :
scarlett2.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Focusrite Scarlett 2 Protocol Driver for ALSA * (including Scarlett 2nd Gen, 3rd Gen, 4th Gen, Clarett USB, and * Clarett+ series products) * * Copyright (c) 2023 by Geoffrey D. Bennett <g at b4.vu> */ #ifndef __UAPI_SOUND_SCARLETT2_H #define __UAPI_SOUND_SCARLETT2_H #include <linux/types.h> #include <linux/ioctl.h> #define SCARLETT2_HWDEP_MAJOR 1 #define SCARLETT2_HWDEP_MINOR 0 #define SCARLETT2_HWDEP_SUBMINOR 0 #define SCARLETT2_HWDEP_VERSION \ ((SCARLETT2_HWDEP_MAJOR << 16) | \ (SCARLETT2_HWDEP_MINOR << 8) | \ SCARLETT2_HWDEP_SUBMINOR) #define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF) #define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF) #define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF) /* Get protocol version */ #define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int) /* Reboot */ #define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61) /* Select flash segment */ #define SCARLETT2_SEGMENT_ID_SETTINGS 0 #define SCARLETT2_SEGMENT_ID_FIRMWARE 1 #define SCARLETT2_SEGMENT_ID_COUNT 2 #define SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT _IOW('S', 0x62, int) /* Erase selected flash segment */ #define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO('S', 0x63) /* Get selected flash segment erase progress * 1 through to num_blocks, or 255 for complete */ struct scarlett2_flash_segment_erase_progress { unsigned char progress; unsigned char num_blocks; }; #define SCARLETT2_IOCTL_GET_ERASE_PROGRESS \ _IOR('S', 0x64, struct scarlett2_flash_segment_erase_progress) #endif /* __UAPI_SOUND_SCARLETT2_H */