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