[ALSA] Add HDSP MADI driver

#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 */

	  To compile this driver as a module, choose M here: the module

	  will be called snd-hdsp.

config SND_HDSPM

	tristate "RME Hammerfall DSP MADI"

	depends on SND

	select SND_HWDEP

	select SND_RAWMIDI

	select SND_PCM

	help

	  Say Y here to include support for RME Hammerfall DSP MADI

	  soundcards.

	  To compile this driver as a module, choose M here: the module

	  will be called snd-hdspm.

config SND_TRIDENT

	tristate "Trident 4D-Wave DX/NX; SiS 7018"

	depends on SND

snd-rme9652-objs := rme9652.o

snd-hdsp-objs := hdsp.o

snd-hdspm-objs := hdspm.o

# Toplevel Module Dependency

obj-$(CONFIG_SND_RME9652) += snd-rme9652.o

obj-$(CONFIG_SND_HDSP) += snd-hdsp.o

obj-$(CONFIG_SND_HDSPM) +=snd-hdspm.o