<h2>Edit File: scarlett2.h</h2><form method="post"><textarea name="content" rows="20" cols="80">/* 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 &lt;g at b4.vu&gt;
 */
#ifndef __UAPI_SOUND_SCARLETT2_H
#define __UAPI_SOUND_SCARLETT2_H

#include &lt;linux/types.h&gt;
#include &lt;linux/ioctl.h&gt;

#define SCARLETT2_HWDEP_MAJOR 1
#define SCARLETT2_HWDEP_MINOR 0
#define SCARLETT2_HWDEP_SUBMINOR 0

#define SCARLETT2_HWDEP_VERSION \
	((SCARLETT2_HWDEP_MAJOR &lt;&lt; 16) | \
	 (SCARLETT2_HWDEP_MINOR &lt;&lt; 8) | \
	  SCARLETT2_HWDEP_SUBMINOR)

#define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) &gt;&gt; 16) &amp; 0xFF)
#define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) &gt;&gt; 8) &amp; 0xFF)
#define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) &amp; 0xFF)

/* Get protocol version */
#define SCARLETT2_IOCTL_PVERSION _IOR(&#039;S&#039;, 0x60, int)

/* Reboot */
#define SCARLETT2_IOCTL_REBOOT _IO(&#039;S&#039;, 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(&#039;S&#039;, 0x62, int)

/* Erase selected flash segment */
#define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO(&#039;S&#039;, 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(&#039;S&#039;, 0x64, struct scarlett2_flash_segment_erase_progress)

#endif /* __UAPI_SOUND_SCARLETT2_H */
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