1#ifndef __SOUND_HDSPM_H /* -*- linux-c -*- */ 2#define __SOUND_HDSPM_H 3/* 4 * Copyright (C) 2003 Winfried Ritsch (IEM) 5 * based on hdsp.h from Thomas Charbonnel (thomas@undata.org) 6 * 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23/* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */ 24#define HDSPM_MAX_CHANNELS 64 25 26/* -------------------- IOCTL Peak/RMS Meters -------------------- */ 27 28/* peam rms level structure like we get from hardware 29 30 maybe in future we can memory map it so I just copy it 31 to user on ioctl call now an dont change anything 32 rms are made out of low and high values 33 where (long) ????_rms = (????_rms_l >> 8) + ((????_rms_h & 0xFFFFFF00)<<24) 34 (i asume so from the code) 35*/ 36 37struct hdspm_peak_rms { 38 39 unsigned int level_offset[1024]; 40 41 unsigned int input_peak[64]; 42 unsigned int playback_peak[64]; 43 unsigned int output_peak[64]; 44 unsigned int xxx_peak[64]; /* not used */ 45 46 unsigned int reserved[256]; /* not used */ 47 48 unsigned int input_rms_l[64]; 49 unsigned int playback_rms_l[64]; 50 unsigned int output_rms_l[64]; 51 unsigned int xxx_rms_l[64]; /* not used */ 52 53 unsigned int input_rms_h[64]; 54 unsigned int playback_rms_h[64]; 55 unsigned int output_rms_h[64]; 56 unsigned int xxx_rms_h[64]; /* not used */ 57}; 58 59struct hdspm_peak_rms_ioctl { 60 struct hdspm_peak_rms *peak; 61}; 62 63/* use indirect access due to the limit of ioctl bit size */ 64#define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct hdspm_peak_rms_ioctl) 65 66/* ------------ CONFIG block IOCTL ---------------------- */ 67 68struct hdspm_config_info { 69 unsigned char pref_sync_ref; 70 unsigned char wordclock_sync_check; 71 unsigned char madi_sync_check; 72 unsigned int system_sample_rate; 73 unsigned int autosync_sample_rate; 74 unsigned char system_clock_mode; 75 unsigned char clock_source; 76 unsigned char autosync_ref; 77 unsigned char line_out; 78 unsigned int passthru; 79 unsigned int analog_out; 80}; 81 82#define SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, struct hdspm_config_info) 83 84 85/* get Soundcard Version */ 86 87struct hdspm_version { 88 unsigned short firmware_rev; 89}; 90 91#define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, struct hdspm_version) 92 93 94/* ------------- get Matrix Mixer IOCTL --------------- */ 95 96/* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte = 32768 Bytes */ 97 98/* organisation is 64 channelfader in a continous memory block */ 99/* equivalent to hardware definition, maybe for future feature of mmap of them */ 100/* each of 64 outputs has 64 infader and 64 outfader: 101 Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */ 102 103#define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS 104 105struct hdspm_channelfader { 106 unsigned int in[HDSPM_MIXER_CHANNELS]; 107 unsigned int pb[HDSPM_MIXER_CHANNELS]; 108}; 109 110struct hdspm_mixer { 111 struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS]; 112}; 113 114struct hdspm_mixer_ioctl { 115 struct hdspm_mixer *mixer; 116}; 117 118/* use indirect access due to the limit of ioctl bit size */ 119#define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl) 120 121/* typedefs for compatibility to user-space */ 122typedef struct hdspm_peak_rms hdspm_peak_rms_t; 123typedef struct hdspm_config_info hdspm_config_info_t; 124typedef struct hdspm_version hdspm_version_t; 125typedef struct hdspm_channelfader snd_hdspm_channelfader_t; 126typedef struct hdspm_mixer hdspm_mixer_t; 127 128#endif /* __SOUND_HDSPM_H */ 129