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Diffstat (limited to 'include/sound/hdspm.h')
| -rw-r--r-- | include/sound/hdspm.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/sound/hdspm.h b/include/sound/hdspm.h new file mode 100644 index 0000000..c34427c --- /dev/null +++ b/include/sound/hdspm.h @@ -0,0 +1,131 @@ +#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 */ |