xref: /openbmc/linux/include/uapi/sound/hdspm.h (revision 842ed298)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 #ifndef __SOUND_HDSPM_H
3 #define __SOUND_HDSPM_H
4 /*
5  *   Copyright (C) 2003 Winfried Ritsch (IEM)
6  *   based on hdsp.h from Thomas Charbonnel (thomas@undata.org)
7  *
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23 
24 #ifdef __linux__
25 #include <linux/types.h>
26 #endif
27 
28 /* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
29 #define HDSPM_MAX_CHANNELS      64
30 
31 enum hdspm_io_type {
32 	MADI,
33 	MADIface,
34 	AIO,
35 	AES32,
36 	RayDAT
37 };
38 
39 enum hdspm_speed {
40 	ss,
41 	ds,
42 	qs
43 };
44 
45 /* -------------------- IOCTL Peak/RMS Meters -------------------- */
46 
47 struct hdspm_peak_rms {
48 	__u32 input_peaks[64];
49 	__u32 playback_peaks[64];
50 	__u32 output_peaks[64];
51 
52 	__u64 input_rms[64];
53 	__u64 playback_rms[64];
54 	__u64 output_rms[64];
55 
56 	__u8 speed; /* enum {ss, ds, qs} */
57 	int status2;
58 };
59 
60 #define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS \
61 	_IOR('H', 0x42, struct hdspm_peak_rms)
62 
63 /* ------------ CONFIG block IOCTL ---------------------- */
64 
65 struct hdspm_config {
66 	unsigned char pref_sync_ref;
67 	unsigned char wordclock_sync_check;
68 	unsigned char madi_sync_check;
69 	unsigned int system_sample_rate;
70 	unsigned int autosync_sample_rate;
71 	unsigned char system_clock_mode;
72 	unsigned char clock_source;
73 	unsigned char autosync_ref;
74 	unsigned char line_out;
75 	unsigned int passthru;
76 	unsigned int analog_out;
77 };
78 
79 #define SNDRV_HDSPM_IOCTL_GET_CONFIG \
80 	_IOR('H', 0x41, struct hdspm_config)
81 
82 /*
83  * If there's a TCO (TimeCode Option) board installed,
84  * there are further options and status data available.
85  * The hdspm_ltc structure contains the current SMPTE
86  * timecode and some status information and can be
87  * obtained via SNDRV_HDSPM_IOCTL_GET_LTC or in the
88  * hdspm_status struct.
89  */
90 
91 enum hdspm_ltc_format {
92 	format_invalid,
93 	fps_24,
94 	fps_25,
95 	fps_2997,
96 	fps_30
97 };
98 
99 enum hdspm_ltc_frame {
100 	frame_invalid,
101 	drop_frame,
102 	full_frame
103 };
104 
105 enum hdspm_ltc_input_format {
106 	ntsc,
107 	pal,
108 	no_video
109 };
110 
111 struct hdspm_ltc {
112 	unsigned int ltc;
113 
114 	enum hdspm_ltc_format format;
115 	enum hdspm_ltc_frame frame;
116 	enum hdspm_ltc_input_format input_format;
117 };
118 
119 #define SNDRV_HDSPM_IOCTL_GET_LTC _IOR('H', 0x46, struct hdspm_ltc)
120 
121 /*
122  * The status data reflects the device's current state
123  * as determined by the card's configuration and
124  * connection status.
125  */
126 
127 enum hdspm_sync {
128 	hdspm_sync_no_lock = 0,
129 	hdspm_sync_lock = 1,
130 	hdspm_sync_sync = 2
131 };
132 
133 enum hdspm_madi_input {
134 	hdspm_input_optical = 0,
135 	hdspm_input_coax = 1
136 };
137 
138 enum hdspm_madi_channel_format {
139 	hdspm_format_ch_64 = 0,
140 	hdspm_format_ch_56 = 1
141 };
142 
143 enum hdspm_madi_frame_format {
144 	hdspm_frame_48 = 0,
145 	hdspm_frame_96 = 1
146 };
147 
148 enum hdspm_syncsource {
149 	syncsource_wc = 0,
150 	syncsource_madi = 1,
151 	syncsource_tco = 2,
152 	syncsource_sync = 3,
153 	syncsource_none = 4
154 };
155 
156 struct hdspm_status {
157 	__u8 card_type; /* enum hdspm_io_type */
158 	enum hdspm_syncsource autosync_source;
159 
160 	__u64 card_clock;
161 	__u32 master_period;
162 
163 	union {
164 		struct {
165 			__u8 sync_wc; /* enum hdspm_sync */
166 			__u8 sync_madi; /* enum hdspm_sync */
167 			__u8 sync_tco; /* enum hdspm_sync */
168 			__u8 sync_in; /* enum hdspm_sync */
169 			__u8 madi_input; /* enum hdspm_madi_input */
170 			__u8 channel_format; /* enum hdspm_madi_channel_format */
171 			__u8 frame_format; /* enum hdspm_madi_frame_format */
172 		} madi;
173 	} card_specific;
174 };
175 
176 #define SNDRV_HDSPM_IOCTL_GET_STATUS \
177 	_IOR('H', 0x47, struct hdspm_status)
178 
179 /*
180  * Get information about the card and its add-ons.
181  */
182 
183 #define HDSPM_ADDON_TCO 1
184 
185 struct hdspm_version {
186 	__u8 card_type; /* enum hdspm_io_type */
187 	char cardname[20];
188 	unsigned int serial;
189 	unsigned short firmware_rev;
190 	int addons;
191 };
192 
193 #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x48, struct hdspm_version)
194 
195 /* ------------- get Matrix Mixer IOCTL --------------- */
196 
197 /* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte =
198  * 32768 Bytes
199  */
200 
201 /* organisation is 64 channelfader in a continuous memory block */
202 /* equivalent to hardware definition, maybe for future feature of mmap of
203  * them
204  */
205 /* each of 64 outputs has 64 infader and 64 outfader:
206    Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */
207 
208 #define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS
209 
210 struct hdspm_channelfader {
211 	unsigned int in[HDSPM_MIXER_CHANNELS];
212 	unsigned int pb[HDSPM_MIXER_CHANNELS];
213 };
214 
215 struct hdspm_mixer {
216 	struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS];
217 };
218 
219 struct hdspm_mixer_ioctl {
220 	struct hdspm_mixer *mixer;
221 };
222 
223 /* use indirect access due to the limit of ioctl bit size */
224 #define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl)
225 
226 #endif
227