1 #ifndef __SOUND_HDSPM_H 2 #define __SOUND_HDSPM_H 3 /* 4 * Copyright (C) 2003 Winfried Ritsch (IEM) 5 * based on hdsp.h from Thomas Charbonnel (thomas (at) 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 37 struct 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 59 struct 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 \ 65 _IOR('H', 0x40, struct hdspm_peak_rms_ioctl) 66 67 /* ------------ CONFIG block IOCTL ---------------------- */ 68 69 struct hdspm_config_info { 70 unsigned char pref_sync_ref; 71 unsigned char wordclock_sync_check; 72 unsigned char madi_sync_check; 73 unsigned int system_sample_rate; 74 unsigned int autosync_sample_rate; 75 unsigned char system_clock_mode; 76 unsigned char clock_source; 77 unsigned char autosync_ref; 78 unsigned char line_out; 79 unsigned int passthru; 80 unsigned int analog_out; 81 }; 82 83 #define SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO \ 84 _IOR('H', 0x41, struct hdspm_config_info) 85 86 87 /* get Soundcard Version */ 88 89 struct hdspm_version { 90 unsigned short firmware_rev; 91 }; 92 93 #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, struct hdspm_version) 94 95 96 /* ------------- get Matrix Mixer IOCTL --------------- */ 97 98 /* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte = 99 * 32768 Bytes 100 */ 101 102 /* organisation is 64 channelfader in a continous memory block */ 103 /* equivalent to hardware definition, maybe for future feature of mmap of 104 * them 105 */ 106 /* each of 64 outputs has 64 infader and 64 outfader: 107 Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */ 108 109 #define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS 110 111 struct hdspm_channelfader { 112 unsigned int in[HDSPM_MIXER_CHANNELS]; 113 unsigned int pb[HDSPM_MIXER_CHANNELS]; 114 }; 115 116 struct hdspm_mixer { 117 struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS]; 118 }; 119 120 struct hdspm_mixer_ioctl { 121 struct hdspm_mixer *mixer; 122 }; 123 124 /* use indirect access due to the limit of ioctl bit size */ 125 #define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl) 126 127 /* typedefs for compatibility to user-space */ 128 typedef struct hdspm_peak_rms hdspm_peak_rms_t; 129 typedef struct hdspm_config_info hdspm_config_info_t; 130 typedef struct hdspm_version hdspm_version_t; 131 typedef struct hdspm_channelfader snd_hdspm_channelfader_t; 132 typedef struct hdspm_mixer hdspm_mixer_t; 133 134 #endif /* __SOUND_HDSPM_H */ 135
