--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/alsa/sound/uapi/hdspm.h	Tue Mar 18 17:55:14 2025 -0400
@@ -0,0 +1,226 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+#ifndef __SOUND_HDSPM_H
+#define __SOUND_HDSPM_H
+/*
+ *   Copyright (C) 2003 Winfried Ritsch (IEM)
+ *   based on hdsp.h from Thomas Charbonnel (thomas@undata.org)
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifdef __linux__
+#include <linux/types.h>
+#endif
+
+/* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
+#define HDSPM_MAX_CHANNELS      64
+
+enum hdspm_io_type {
+	MADI,
+	MADIface,
+	AIO,
+	AES32,
+	RayDAT
+};
+
+enum hdspm_speed {
+	ss,
+	ds,
+	qs
+};
+
+/* -------------------- IOCTL Peak/RMS Meters -------------------- */
+
+struct hdspm_peak_rms {
+	__u32 input_peaks[64];
+	__u32 playback_peaks[64];
+	__u32 output_peaks[64];
+
+	__u64 input_rms[64];
+	__u64 playback_rms[64];
+	__u64 output_rms[64];
+
+	__u8 speed; /* enum {ss, ds, qs} */
+	int status2;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS \
+	_IOR('H', 0x42, struct hdspm_peak_rms)
+
+/* ------------ CONFIG block IOCTL ---------------------- */
+
+struct hdspm_config {
+	unsigned char pref_sync_ref;
+	unsigned char wordclock_sync_check;
+	unsigned char madi_sync_check;
+	unsigned int system_sample_rate;
+	unsigned int autosync_sample_rate;
+	unsigned char system_clock_mode;
+	unsigned char clock_source;
+	unsigned char autosync_ref;
+	unsigned char line_out;
+	unsigned int passthru;
+	unsigned int analog_out;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_CONFIG \
+	_IOR('H', 0x41, struct hdspm_config)
+
+/*
+ * If there's a TCO (TimeCode Option) board installed,
+ * there are further options and status data available.
+ * The hdspm_ltc structure contains the current SMPTE
+ * timecode and some status information and can be
+ * obtained via SNDRV_HDSPM_IOCTL_GET_LTC or in the
+ * hdspm_status struct.
+ */
+
+enum hdspm_ltc_format {
+	format_invalid,
+	fps_24,
+	fps_25,
+	fps_2997,
+	fps_30
+};
+
+enum hdspm_ltc_frame {
+	frame_invalid,
+	drop_frame,
+	full_frame
+};
+
+enum hdspm_ltc_input_format {
+	ntsc,
+	pal,
+	no_video
+};
+
+struct hdspm_ltc {
+	unsigned int ltc;
+
+	enum hdspm_ltc_format format;
+	enum hdspm_ltc_frame frame;
+	enum hdspm_ltc_input_format input_format;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_LTC _IOR('H', 0x46, struct hdspm_ltc)
+
+/*
+ * The status data reflects the device's current state
+ * as determined by the card's configuration and
+ * connection status.
+ */
+
+enum hdspm_sync {
+	hdspm_sync_no_lock = 0,
+	hdspm_sync_lock = 1,
+	hdspm_sync_sync = 2
+};
+
+enum hdspm_madi_input {
+	hdspm_input_optical = 0,
+	hdspm_input_coax = 1
+};
+
+enum hdspm_madi_channel_format {
+	hdspm_format_ch_64 = 0,
+	hdspm_format_ch_56 = 1
+};
+
+enum hdspm_madi_frame_format {
+	hdspm_frame_48 = 0,
+	hdspm_frame_96 = 1
+};
+
+enum hdspm_syncsource {
+	syncsource_wc = 0,
+	syncsource_madi = 1,
+	syncsource_tco = 2,
+	syncsource_sync = 3,
+	syncsource_none = 4
+};
+
+struct hdspm_status {
+	__u8 card_type; /* enum hdspm_io_type */
+	enum hdspm_syncsource autosync_source;
+
+	__u64 card_clock;
+	__u32 master_period;
+
+	union {
+		struct {
+			__u8 sync_wc; /* enum hdspm_sync */
+			__u8 sync_madi; /* enum hdspm_sync */
+			__u8 sync_tco; /* enum hdspm_sync */
+			__u8 sync_in; /* enum hdspm_sync */
+			__u8 madi_input; /* enum hdspm_madi_input */
+			__u8 channel_format; /* enum hdspm_madi_channel_format */
+			__u8 frame_format; /* enum hdspm_madi_frame_format */
+		} madi;
+	} card_specific;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_STATUS \
+	_IOR('H', 0x47, struct hdspm_status)
+
+/*
+ * Get information about the card and its add-ons.
+ */
+
+#define HDSPM_ADDON_TCO 1
+
+struct hdspm_version {
+	__u8 card_type; /* enum hdspm_io_type */
+	char cardname[20];
+	unsigned int serial;
+	unsigned short firmware_rev;
+	int addons;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x48, struct hdspm_version)
+
+/* ------------- get Matrix Mixer IOCTL --------------- */
+
+/* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte =
+ * 32768 Bytes
+ */
+
+/* organisation is 64 channelfader in a continuous memory block */
+/* equivalent to hardware definition, maybe for future feature of mmap of
+ * them
+ */
+/* each of 64 outputs has 64 infader and 64 outfader:
+   Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */
+
+#define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS
+
+struct hdspm_channelfader {
+	unsigned int in[HDSPM_MIXER_CHANNELS];
+	unsigned int pb[HDSPM_MIXER_CHANNELS];
+};
+
+struct hdspm_mixer {
+	struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS];
+};
+
+struct hdspm_mixer_ioctl {
+	struct hdspm_mixer *mixer;
+};
+
+/* use indirect access due to the limit of ioctl bit size */
+#define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl)
+
+#endif