[ALSA] Add HDSP MADI driver

HDSPM driver,PCI drivers,RME9652 driver
Added RME Hammerfall DSP MADI driver by Winfried Ritsch.
(Moved from alsa-driver tree to mainline.)
Signed-off-by: Takashi Iwai <tiwai@suse.de>

include/sound/hdspm.h

+#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 */

sound/pci/Kconfig

@@ -274,6 +274,19 @@ config SND_HDSP
 	  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

sound/pci/rme9652/Makefile

@@ -5,7 +5,9 @@
 
 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