include/uapi/sound/scarlett2.h

   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 */