| #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 -------------------- */ |
| |
| /* 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 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 hdspm_peak_rms_ioctl { |
| struct hdspm_peak_rms *peak; |
| }; |
| |
| /* use indirect access due to the limit of ioctl bit size */ |
| #define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct hdspm_peak_rms_ioctl) |
| |
| /* ------------ CONFIG block IOCTL ---------------------- */ |
| |
| struct 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, struct hdspm_config_info) |
| |
| |
| /* get Soundcard Version */ |
| |
| struct hdspm_version { |
| unsigned short firmware_rev; |
| }; |
| |
| #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, struct hdspm_version) |
| |
| |
| /* ------------- 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 |
| |
| 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) |
| |
| /* typedefs for compatibility to user-space */ |
| typedef struct hdspm_peak_rms hdspm_peak_rms_t; |
| typedef struct hdspm_config_info hdspm_config_info_t; |
| typedef struct hdspm_version hdspm_version_t; |
| typedef struct hdspm_channelfader snd_hdspm_channelfader_t; |
| typedef struct hdspm_mixer hdspm_mixer_t; |
| |
| #endif /* __SOUND_HDSPM_H */ |