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-rw-r--r--include/sound/hdspm.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/include/sound/hdspm.h b/include/sound/hdspm.h
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+++ b/include/sound/hdspm.h
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+#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 -------------------- */
+
+typedef struct _snd_hdspm_peak_rms hdspm_peak_rms_t;
+
+/* 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 _snd_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 sndrv_hdspm_peak_rms_ioctl {
+ hdspm_peak_rms_t *peak;
+};
+
+/* use indirect access due to the limit of ioctl bit size */
+#define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct sndrv_hdspm_peak_rms_ioctl)
+
+/* ------------ CONFIG block IOCTL ---------------------- */
+
+typedef struct _snd_hdspm_config_info hdspm_config_info_t;
+
+struct _snd_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, hdspm_config_info_t)
+
+
+/* get Soundcard Version */
+
+typedef struct _snd_hdspm_version hdspm_version_t;
+
+struct _snd_hdspm_version {
+ unsigned short firmware_rev;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, hdspm_version_t)
+
+
+/* ------------- 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
+
+typedef struct _snd_hdspm_channelfader snd_hdspm_channelfader_t;
+
+struct _snd_hdspm_channelfader {
+ unsigned int in[HDSPM_MIXER_CHANNELS];
+ unsigned int pb[HDSPM_MIXER_CHANNELS];
+};
+
+typedef struct _snd_hdspm_mixer hdspm_mixer_t;
+
+struct _snd_hdspm_mixer {
+ snd_hdspm_channelfader_t ch[HDSPM_MIXER_CHANNELS];
+};
+
+struct sndrv_hdspm_mixer_ioctl {
+ hdspm_mixer_t *mixer;
+};
+
+/* use indirect access due to the limit of ioctl bit size */
+#define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct sndrv_hdspm_mixer_ioctl)
+
+#endif /* __SOUND_HDSPM_H */