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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.
- */
-
- /* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
- #define HDSPM_MAX_CHANNELS 64
-
- /* -------------------- IOCTL Peak/RMS Meters -------------------- */
-
- typedef struct _snd_hdspm_peak_rms hdspm_peak_rms_t;
-
- /* 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)
- */
-
- struct _snd_hdspm_peak_rms {
-
- unsigned int level_offset[1024];
-
- unsigned int input_peak[64];
- unsigned int playback_peak[64];
- unsigned int output_peak[64];
- unsigned int xxx_peak[64]; /* not used */
-
- unsigned int reserved[256]; /* not used */
-
- 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 */
-
- 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 */
- };
-
- struct sndrv_hdspm_peak_rms_ioctl {
- hdspm_peak_rms_t *peak;
- };
-
- /* 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)
-
- /* ------------ CONFIG block IOCTL ---------------------- */
-
- typedef struct _snd_hdspm_config_info hdspm_config_info_t;
-
- 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;
- };
-
- #define SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, hdspm_config_info_t)
-
-
- /* get Soundcard Version */
-
- typedef struct _snd_hdspm_version hdspm_version_t;
-
- struct _snd_hdspm_version {
- unsigned short firmware_rev;
- };
-
- #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, hdspm_version_t)
-
-
- /* ------------- get Matrix Mixer IOCTL --------------- */
-
- /* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte = 32768 Bytes */
-
- /* 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] */
-
- #define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS
-
- typedef struct _snd_hdspm_channelfader snd_hdspm_channelfader_t;
-
- struct _snd_hdspm_channelfader {
- unsigned int in[HDSPM_MIXER_CHANNELS];
- unsigned int pb[HDSPM_MIXER_CHANNELS];
- };
-
- typedef struct _snd_hdspm_mixer hdspm_mixer_t;
-
- struct _snd_hdspm_mixer {
- snd_hdspm_channelfader_t ch[HDSPM_MIXER_CHANNELS];
- };
-
- struct sndrv_hdspm_mixer_ioctl {
- hdspm_mixer_t *mixer;
- };
-
- /* 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)
-
- #endif /* __SOUND_HDSPM_H */
-