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yaml --- r: 2647 b: refs/heads/master c: 763f356 h: refs/heads/master i: 2645: 26439f9 2643: f1803db 2639: 6ca2606 v: v3
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Takashi Iwai
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Jaroslav Kysela
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Jun 22, 2005
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#ifndef __SOUND_HDSPM_H /* -*- linux-c -*- */ | ||
#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. | ||
*/ | ||
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/* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */ | ||
#define HDSPM_MAX_CHANNELS 64 | ||
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/* -------------------- IOCTL Peak/RMS Meters -------------------- */ | ||
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typedef struct _snd_hdspm_peak_rms hdspm_peak_rms_t; | ||
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/* peam rms level structure like we get from hardware | ||
maybe in future we can memory map it so I just copy it | ||
to user on ioctl call now an dont change anything | ||
rms are made out of low and high values | ||
where (long) ????_rms = (????_rms_l >> 8) + ((????_rms_h & 0xFFFFFF00)<<24) | ||
(i asume so from the code) | ||
*/ | ||
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struct _snd_hdspm_peak_rms { | ||
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unsigned int level_offset[1024]; | ||
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unsigned int input_peak[64]; | ||
unsigned int playback_peak[64]; | ||
unsigned int output_peak[64]; | ||
unsigned int xxx_peak[64]; /* not used */ | ||
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unsigned int reserved[256]; /* not used */ | ||
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unsigned int input_rms_l[64]; | ||
unsigned int playback_rms_l[64]; | ||
unsigned int output_rms_l[64]; | ||
unsigned int xxx_rms_l[64]; /* not used */ | ||
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unsigned int input_rms_h[64]; | ||
unsigned int playback_rms_h[64]; | ||
unsigned int output_rms_h[64]; | ||
unsigned int xxx_rms_h[64]; /* not used */ | ||
}; | ||
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struct sndrv_hdspm_peak_rms_ioctl { | ||
hdspm_peak_rms_t *peak; | ||
}; | ||
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/* use indirect access due to the limit of ioctl bit size */ | ||
#define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct sndrv_hdspm_peak_rms_ioctl) | ||
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/* ------------ CONFIG block IOCTL ---------------------- */ | ||
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typedef struct _snd_hdspm_config_info hdspm_config_info_t; | ||
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struct _snd_hdspm_config_info { | ||
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; | ||
}; | ||
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#define SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, hdspm_config_info_t) | ||
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/* get Soundcard Version */ | ||
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typedef struct _snd_hdspm_version hdspm_version_t; | ||
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struct _snd_hdspm_version { | ||
unsigned short firmware_rev; | ||
}; | ||
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#define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, hdspm_version_t) | ||
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/* ------------- get Matrix Mixer IOCTL --------------- */ | ||
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/* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte = 32768 Bytes */ | ||
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/* organisation is 64 channelfader in a continous 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] */ | ||
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#define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS | ||
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typedef struct _snd_hdspm_channelfader snd_hdspm_channelfader_t; | ||
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struct _snd_hdspm_channelfader { | ||
unsigned int in[HDSPM_MIXER_CHANNELS]; | ||
unsigned int pb[HDSPM_MIXER_CHANNELS]; | ||
}; | ||
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typedef struct _snd_hdspm_mixer hdspm_mixer_t; | ||
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struct _snd_hdspm_mixer { | ||
snd_hdspm_channelfader_t ch[HDSPM_MIXER_CHANNELS]; | ||
}; | ||
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struct sndrv_hdspm_mixer_ioctl { | ||
hdspm_mixer_t *mixer; | ||
}; | ||
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/* use indirect access due to the limit of ioctl bit size */ | ||
#define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct sndrv_hdspm_mixer_ioctl) | ||
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#endif /* __SOUND_HDSPM_H */ |
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