/usr/include/alsa/sound/hdsp.h is in libasound2-dev 1.0.28-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #ifndef __SOUND_HDSP_H
#define __SOUND_HDSP_H
/*
* Copyright (C) 2003 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.
*/
#include <stdint.h>
#define HDSP_MATRIX_MIXER_SIZE 2048
typedef enum {
Digiface,
Multiface,
H9652,
H9632,
RPM,
Undefined,
} HDSP_IO_Type;
typedef struct _snd_hdsp_peak_rms hdsp_peak_rms_t;
struct _snd_hdsp_peak_rms {
uint32_t input_peaks[26];
uint32_t playback_peaks[26];
uint32_t output_peaks[28];
uint64_t input_rms[26];
uint64_t playback_rms[26];
/* These are only used for H96xx cards */
uint64_t output_rms[26];
};
#define SNDRV_HDSP_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, hdsp_peak_rms_t)
typedef struct _snd_hdsp_config_info hdsp_config_info_t;
struct _snd_hdsp_config_info {
unsigned char pref_sync_ref;
unsigned char wordclock_sync_check;
unsigned char spdif_sync_check;
unsigned char adatsync_sync_check;
unsigned char adat_sync_check[3];
unsigned char spdif_in;
unsigned char spdif_out;
unsigned char spdif_professional;
unsigned char spdif_emphasis;
unsigned char spdif_nonaudio;
unsigned int spdif_sample_rate;
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 char passthru;
unsigned char da_gain;
unsigned char ad_gain;
unsigned char phone_gain;
unsigned char xlr_breakout_cable;
unsigned char analog_extension_board;
};
#define SNDRV_HDSP_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, hdsp_config_info_t)
typedef struct _snd_hdsp_firmware hdsp_firmware_t;
struct _snd_hdsp_firmware {
void *firmware_data; /* 24413 x 4 bytes */
};
#define SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE _IOW('H', 0x42, hdsp_firmware_t)
typedef struct _snd_hdsp_version hdsp_version_t;
struct _snd_hdsp_version {
HDSP_IO_Type io_type;
unsigned short firmware_rev;
};
#define SNDRV_HDSP_IOCTL_GET_VERSION _IOR('H', 0x43, hdsp_version_t)
typedef struct _snd_hdsp_mixer hdsp_mixer_t;
struct _snd_hdsp_mixer {
unsigned short matrix[HDSP_MATRIX_MIXER_SIZE];
};
#define SNDRV_HDSP_IOCTL_GET_MIXER _IOR('H', 0x44, hdsp_mixer_t)
typedef struct _snd_hdsp_9632_aeb hdsp_9632_aeb_t;
struct _snd_hdsp_9632_aeb {
int aebi;
int aebo;
};
#define SNDRV_HDSP_IOCTL_GET_9632_AEB _IOR('H', 0x45, hdsp_9632_aeb_t)
#endif /* __SOUND_HDSP_H */
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