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