ALSA: Turtle Beach Multisound Classic/Pinnacle driver

This is driver for Turtle Beach Multisound cards:
Classic, Fiji and Pinnacle.

Tested pcm playback and recording and MIDI playback
on Multisound Pinnacle.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/isa/Kconfig

@@ -411,5 +411,36 @@ config SND_WAVEFRONT_FIRMWARE_IN_KERNEL
 	  you need to install the firmware files from the
 	  alsa-firmware package.
 
+config SND_MSND_PINNACLE
+	tristate "Turtle Beach MultiSound Pinnacle/Fiji driver"
+	depends on X86 && EXPERIMENTAL
+	select FW_LOADER
+	select SND_MPU401_UART
+	select SND_PCM
+	help
+	  Say Y to include support for Turtle Beach MultiSound Pinnacle/
+	  Fiji soundcards.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-msnd-pinnacle.
+
+config SND_MSND_CLASSIC
+	tristate "Support for Turtle Beach MultiSound Classic, Tahiti, Monterey"
+	depends on X86 && EXPERIMENTAL
+	select FW_LOADER
+	select SND_MPU401_UART
+	select SND_PCM
+	help
+	  Say M here if you have a Turtle Beach MultiSound Classic, Tahiti or
+	  Monterey (not for the Pinnacle or Fiji).
+
+	  See <file:Documentation/sound/oss/MultiSound> for important information
+	  about this driver.  Note that it has been discontinued, but the
+	  Voyetra Turtle Beach knowledge base entry for it is still available
+	  at <http://www.turtlebeach.com/site/kb_ftp/790.asp>.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-msnd-classic.
+
 endif	# SND_ISA
 

sound/isa/msnd/Makefile

+
+snd-msnd-lib-objs := msnd.o msnd_midi.o msnd_pinnacle_mixer.o
+snd-msnd-pinnacle-objs := msnd_pinnacle.o
+snd-msnd-classic-objs := msnd_classic.o
+
+# Toplevel Module Dependency
+obj-$(CONFIG_SND_MSND_PINNACLE) += snd-msnd-pinnacle.o snd-msnd-lib.o
+obj-$(CONFIG_SND_MSND_CLASSIC) += snd-msnd-classic.o snd-msnd-lib.o
+

sound/isa/msnd/msnd.h

+/*********************************************************************
+ *
+ * msnd.h
+ *
+ * Turtle Beach MultiSound Sound Card Driver for Linux
+ *
+ * Some parts of this header file were derived from the Turtle Beach
+ * MultiSound Driver Development Kit.
+ *
+ * Copyright (C) 1998 Andrew Veliath
+ * Copyright (C) 1993 Turtle Beach Systems, Inc.
+ *
+ * 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.
+ *
+ ********************************************************************/
+#ifndef __MSND_H
+#define __MSND_H
+
+#define DEFSAMPLERATE		44100
+#define DEFSAMPLESIZE		SNDRV_PCM_FORMAT_S16
+#define DEFCHANNELS		1
+
+#define SRAM_BANK_SIZE		0x8000
+#define SRAM_CNTL_START		0x7F00
+#define SMA_STRUCT_START	0x7F40
+
+#define DSP_BASE_ADDR		0x4000
+#define DSP_BANK_BASE		0x4000
+
+#define AGND			0x01
+#define SIGNAL			0x02
+
+#define EXT_DSP_BIT_DCAL	0x0001
+#define EXT_DSP_BIT_MIDI_CON	0x0002
+
+#define BUFFSIZE		0x8000
+#define HOSTQ_SIZE		0x40
+
+#define DAP_BUFF_SIZE		0x2400
+
+#define DAPQ_STRUCT_SIZE	0x10
+#define DARQ_STRUCT_SIZE	0x10
+#define DAPQ_BUFF_SIZE		(3 * 0x10)
+#define DARQ_BUFF_SIZE		(3 * 0x10)
+#define MODQ_BUFF_SIZE		0x400
+
+#define DAPQ_DATA_BUFF		0x6C00
+#define DARQ_DATA_BUFF		0x6C30
+#define MODQ_DATA_BUFF		0x6C60
+#define MIDQ_DATA_BUFF		0x7060
+
+#define DAPQ_OFFSET		SRAM_CNTL_START
+#define DARQ_OFFSET		(SRAM_CNTL_START + 0x08)
+#define MODQ_OFFSET		(SRAM_CNTL_START + 0x10)
+#define MIDQ_OFFSET		(SRAM_CNTL_START + 0x18)
+#define DSPQ_OFFSET		(SRAM_CNTL_START + 0x20)
+
+#define	HP_ICR			0x00
+#define	HP_CVR			0x01
+#define	HP_ISR			0x02
+#define	HP_IVR			0x03
+#define HP_NU			0x04
+#define HP_INFO			0x04
+#define	HP_TXH			0x05
+#define	HP_RXH			0x05
+#define	HP_TXM			0x06
+#define	HP_RXM			0x06
+#define	HP_TXL			0x07
+#define	HP_RXL			0x07
+
+#define HP_ICR_DEF		0x00
+#define HP_CVR_DEF		0x12
+#define HP_ISR_DEF		0x06
+#define HP_IVR_DEF		0x0f
+#define HP_NU_DEF		0x00
+
+#define	HP_IRQM			0x09
+
+#define	HPR_BLRC		0x08
+#define	HPR_SPR1		0x09
+#define	HPR_SPR2		0x0A
+#define	HPR_TCL0		0x0B
+#define	HPR_TCL1		0x0C
+#define	HPR_TCL2		0x0D
+#define	HPR_TCL3		0x0E
+#define	HPR_TCL4		0x0F
+
+#define	HPICR_INIT		0x80
+#define HPICR_HM1		0x40
+#define HPICR_HM0		0x20
+#define HPICR_HF1		0x10
+#define HPICR_HF0		0x08
+#define	HPICR_TREQ		0x02
+#define	HPICR_RREQ		0x01
+
+#define HPCVR_HC		0x80
+
+#define	HPISR_HREQ		0x80
+#define HPISR_DMA		0x40
+#define HPISR_HF3		0x10
+#define HPISR_HF2		0x08
+#define	HPISR_TRDY		0x04
+#define	HPISR_TXDE		0x02
+#define	HPISR_RXDF		0x01
+
+#define	HPIO_290		0
+#define	HPIO_260		1
+#define	HPIO_250		2
+#define	HPIO_240		3
+#define	HPIO_230		4
+#define	HPIO_220		5
+#define	HPIO_210		6
+#define	HPIO_3E0		7
+
+#define	HPMEM_NONE		0
+#define	HPMEM_B000		1
+#define	HPMEM_C800		2
+#define	HPMEM_D000		3
+#define	HPMEM_D400		4
+#define	HPMEM_D800		5
+#define	HPMEM_E000		6
+#define	HPMEM_E800		7
+
+#define	HPIRQ_NONE		0
+#define HPIRQ_5			1
+#define HPIRQ_7			2
+#define HPIRQ_9			3
+#define HPIRQ_10		4
+#define HPIRQ_11		5
+#define HPIRQ_12		6
+#define HPIRQ_15		7
+
+#define	HIMT_PLAY_DONE		0x00
+#define	HIMT_RECORD_DONE	0x01
+#define	HIMT_MIDI_EOS		0x02
+#define	HIMT_MIDI_OUT		0x03
+
+#define	HIMT_MIDI_IN_UCHAR	0x0E
+#define	HIMT_DSP		0x0F
+
+#define	HDEX_BASE	       	0x92
+#define	HDEX_PLAY_START		(0 + HDEX_BASE)
+#define	HDEX_PLAY_STOP		(1 + HDEX_BASE)
+#define	HDEX_PLAY_PAUSE		(2 + HDEX_BASE)
+#define	HDEX_PLAY_RESUME	(3 + HDEX_BASE)
+#define	HDEX_RECORD_START	(4 + HDEX_BASE)
+#define	HDEX_RECORD_STOP	(5 + HDEX_BASE)
+#define	HDEX_MIDI_IN_START 	(6 + HDEX_BASE)
+#define	HDEX_MIDI_IN_STOP	(7 + HDEX_BASE)
+#define	HDEX_MIDI_OUT_START	(8 + HDEX_BASE)
+#define	HDEX_MIDI_OUT_STOP	(9 + HDEX_BASE)
+#define	HDEX_AUX_REQ		(10 + HDEX_BASE)
+
+#define	HDEXAR_CLEAR_PEAKS	1
+#define	HDEXAR_IN_SET_POTS	2
+#define	HDEXAR_AUX_SET_POTS	3
+#define	HDEXAR_CAL_A_TO_D	4
+#define	HDEXAR_RD_EXT_DSP_BITS	5
+
+/* Pinnacle only HDEXAR defs */
+#define	HDEXAR_SET_ANA_IN	0
+#define	HDEXAR_SET_SYNTH_IN	4
+#define	HDEXAR_READ_DAT_IN	5
+#define	HDEXAR_MIC_SET_POTS	6
+#define	HDEXAR_SET_DAT_IN	7
+
+#define HDEXAR_SET_SYNTH_48	8
+#define HDEXAR_SET_SYNTH_44	9
+
+#define HIWORD(l)		((u16)((((u32)(l)) >> 16) & 0xFFFF))
+#define LOWORD(l)		((u16)(u32)(l))
+#define HIBYTE(w)		((u8)(((u16)(w) >> 8) & 0xFF))
+#define LOBYTE(w)		((u8)(w))
+#define MAKELONG(low, hi)	((long)(((u16)(low))|(((u32)((u16)(hi)))<<16)))
+#define MAKEWORD(low, hi)	((u16)(((u8)(low))|(((u16)((u8)(hi)))<<8)))
+
+#define PCTODSP_OFFSET(w)	(u16)((w)/2)
+#define PCTODSP_BASED(w)	(u16)(((w)/2) + DSP_BASE_ADDR)
+#define DSPTOPC_BASED(w)	(((w) - DSP_BASE_ADDR) * 2)
+
+#ifdef SLOWIO
+#  undef outb
+#  undef inb
+#  define outb			outb_p
+#  define inb			inb_p
+#endif
+
+/* JobQueueStruct */
+#define JQS_wStart		0x00
+#define JQS_wSize		0x02
+#define JQS_wHead		0x04
+#define JQS_wTail		0x06
+#define JQS__size		0x08
+
+/* DAQueueDataStruct */
+#define DAQDS_wStart		0x00
+#define DAQDS_wSize		0x02
+#define DAQDS_wFormat		0x04
+#define DAQDS_wSampleSize	0x06
+#define DAQDS_wChannels		0x08
+#define DAQDS_wSampleRate	0x0A
+#define DAQDS_wIntMsg		0x0C
+#define DAQDS_wFlags		0x0E
+#define DAQDS__size		0x10
+
+#include <sound/pcm.h>
+
+struct snd_msnd {
+	void __iomem		*mappedbase;
+	int			play_period_bytes;
+	int			playLimit;
+	int			playPeriods;
+	int 			playDMAPos;
+	int			banksPlayed;
+	int 			captureDMAPos;
+	int			capturePeriodBytes;
+	int			captureLimit;
+	int			capturePeriods;
+	struct snd_card		*card;
+	void			*msndmidi_mpu;
+	struct snd_rawmidi	*rmidi;
+
+	/* Hardware resources */
+	long io;
+	int memid, irqid;
+	int irq, irq_ref;
+	unsigned long base;
+
+	/* Motorola 56k DSP SMA */
+	void __iomem	*SMA;
+	void __iomem	*DAPQ;
+	void __iomem	*DARQ;
+	void __iomem	*MODQ;
+	void __iomem	*MIDQ;
+	void __iomem	*DSPQ;
+	int dspq_data_buff, dspq_buff_size;
+
+	/* State variables */
+	enum { msndClassic, msndPinnacle } type;
+	mode_t mode;
+	unsigned long flags;
+#define F_RESETTING			0
+#define F_HAVEDIGITAL			1
+#define F_AUDIO_WRITE_INUSE		2
+#define F_WRITING			3
+#define F_WRITEBLOCK			4
+#define F_WRITEFLUSH			5
+#define F_AUDIO_READ_INUSE		6
+#define F_READING			7
+#define F_READBLOCK			8
+#define F_EXT_MIDI_INUSE		9
+#define F_HDR_MIDI_INUSE		10
+#define F_DISABLE_WRITE_NDELAY		11
+	spinlock_t lock;
+	spinlock_t mixer_lock;
+	int nresets;
+	unsigned recsrc;
+#define LEVEL_ENTRIES 32
+	int left_levels[LEVEL_ENTRIES];
+	int right_levels[LEVEL_ENTRIES];
+	int calibrate_signal;
+	int play_sample_size, play_sample_rate, play_channels;
+	int play_ndelay;
+	int capture_sample_size, capture_sample_rate, capture_channels;
+	int capture_ndelay;
+	u8 bCurrentMidiPatch;
+
+	int last_playbank, last_recbank;
+	struct snd_pcm_substream *playback_substream;
+	struct snd_pcm_substream *capture_substream;
+
+};
+
+void snd_msnd_init_queue(void *base, int start, int size);
+
+int snd_msnd_send_dsp_cmd(struct snd_msnd *chip, u8 cmd);
+int snd_msnd_send_word(struct snd_msnd *chip,
+			   unsigned char high,
+			   unsigned char mid,
+			   unsigned char low);
+int snd_msnd_upload_host(struct snd_msnd *chip,
+			     const u8 *bin, int len);
+int snd_msnd_enable_irq(struct snd_msnd *chip);
+int snd_msnd_disable_irq(struct snd_msnd *chip);
+void snd_msnd_dsp_halt(struct snd_msnd *chip, struct file *file);
+int snd_msnd_DAPQ(struct snd_msnd *chip, int start);
+int snd_msnd_DARQ(struct snd_msnd *chip, int start);
+int snd_msnd_pcm(struct snd_card *card, int device, struct snd_pcm **rpcm);
+
+int snd_msndmidi_new(struct snd_card *card, int device);
+void snd_msndmidi_input_read(void *mpu);
+
+void snd_msndmix_setup(struct snd_msnd *chip);
+int __devinit snd_msndmix_new(struct snd_card *card);
+int snd_msndmix_force_recsrc(struct snd_msnd *chip, int recsrc);
+#endif /* __MSND_H */

sound/isa/msnd/msnd_classic.c

+/* The work is in msnd_pinnacle.c, just define MSND_CLASSIC before it. */
+#define MSND_CLASSIC
+#include "msnd_pinnacle.c"

sound/isa/msnd/msnd_classic.h

+/*********************************************************************
+ *
+ * msnd_classic.h
+ *
+ * Turtle Beach MultiSound Sound Card Driver for Linux
+ *
+ * Some parts of this header file were derived from the Turtle Beach
+ * MultiSound Driver Development Kit.
+ *
+ * Copyright (C) 1998 Andrew Veliath
+ * Copyright (C) 1993 Turtle Beach Systems, Inc.
+ *
+ * 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.
+ *
+ ********************************************************************/
+#ifndef __MSND_CLASSIC_H
+#define __MSND_CLASSIC_H
+
+#define DSP_NUMIO				0x10
+
+#define	HP_MEMM					0x08
+
+#define	HP_BITM					0x0E
+#define	HP_WAIT					0x0D
+#define	HP_DSPR					0x0A
+#define	HP_PROR					0x0B
+#define	HP_BLKS					0x0C
+
+#define	HPPRORESET_OFF				0
+#define HPPRORESET_ON				1
+
+#define HPDSPRESET_OFF				0
+#define HPDSPRESET_ON				1
+
+#define HPBLKSEL_0				0
+#define HPBLKSEL_1				1
+
+#define HPWAITSTATE_0				0
+#define HPWAITSTATE_1				1
+
+#define HPBITMODE_16				0
+#define HPBITMODE_8				1
+
+#define	HIDSP_INT_PLAY_UNDER			0x00
+#define	HIDSP_INT_RECORD_OVER			0x01
+#define	HIDSP_INPUT_CLIPPING			0x02
+#define	HIDSP_MIDI_IN_OVER			0x10
+#define	HIDSP_MIDI_OVERRUN_ERR  0x13
+
+#define TIME_PRO_RESET_DONE			0x028A
+#define TIME_PRO_SYSEX				0x0040
+#define TIME_PRO_RESET				0x0032
+
+#define DAR_BUFF_SIZE				0x2000
+
+#define MIDQ_BUFF_SIZE				0x200
+#define DSPQ_BUFF_SIZE				0x40
+
+#define DSPQ_DATA_BUFF				0x7260
+
+#define MOP_SYNTH				0x10
+#define MOP_EXTOUT				0x32
+#define MOP_EXTTHRU				0x02
+#define MOP_OUTMASK				0x01
+
+#define MIP_EXTIN				0x01
+#define MIP_SYNTH				0x00
+#define MIP_INMASK				0x32
+
+/* Classic SMA Common Data */
+#define SMA_wCurrPlayBytes			0x0000
+#define SMA_wCurrRecordBytes			0x0002
+#define SMA_wCurrPlayVolLeft			0x0004
+#define SMA_wCurrPlayVolRight			0x0006
+#define SMA_wCurrInVolLeft			0x0008
+#define SMA_wCurrInVolRight			0x000a
+#define SMA_wUser_3				0x000c
+#define SMA_wUser_4				0x000e
+#define SMA_dwUser_5				0x0010
+#define SMA_dwUser_6				0x0014
+#define SMA_wUser_7				0x0018
+#define SMA_wReserved_A				0x001a
+#define SMA_wReserved_B				0x001c
+#define SMA_wReserved_C				0x001e
+#define SMA_wReserved_D				0x0020
+#define SMA_wReserved_E				0x0022
+#define SMA_wReserved_F				0x0024
+#define SMA_wReserved_G				0x0026
+#define SMA_wReserved_H				0x0028
+#define SMA_wCurrDSPStatusFlags			0x002a
+#define SMA_wCurrHostStatusFlags		0x002c
+#define SMA_wCurrInputTagBits			0x002e
+#define SMA_wCurrLeftPeak			0x0030
+#define SMA_wCurrRightPeak			0x0032
+#define SMA_wExtDSPbits				0x0034
+#define SMA_bExtHostbits			0x0036
+#define SMA_bBoardLevel				0x0037
+#define SMA_bInPotPosRight			0x0038
+#define SMA_bInPotPosLeft			0x0039
+#define SMA_bAuxPotPosRight			0x003a
+#define SMA_bAuxPotPosLeft			0x003b
+#define SMA_wCurrMastVolLeft			0x003c
+#define SMA_wCurrMastVolRight			0x003e
+#define SMA_bUser_12				0x0040
+#define SMA_bUser_13				0x0041
+#define SMA_wUser_14				0x0042
+#define SMA_wUser_15				0x0044
+#define SMA_wCalFreqAtoD			0x0046
+#define SMA_wUser_16				0x0048
+#define SMA_wUser_17				0x004a
+#define SMA__size				0x004c
+
+#define INITCODEFILE		"turtlebeach/msndinit.bin"
+#define PERMCODEFILE		"turtlebeach/msndperm.bin"
+#define LONGNAME		"MultiSound (Classic/Monterey/Tahiti)"
+
+#endif /* __MSND_CLASSIC_H */

sound/isa/msnd/msnd_midi.c

+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *  Copyright (c) 2009 by Krzysztof Helt
+ *  Routines for control of MPU-401 in UART mode
+ *
+ *  MPU-401 supports UART mode which is not capable generate transmit
+ *  interrupts thus output is done via polling. Also, if irq < 0, then
+ *  input is done also via polling. Do not expect good performance.
+ *
+ *
+ *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <sound/core.h>
+#include <sound/rawmidi.h>
+
+#include "msnd.h"
+
+#define MSNDMIDI_MODE_BIT_INPUT		0
+#define MSNDMIDI_MODE_BIT_OUTPUT		1
+#define MSNDMIDI_MODE_BIT_INPUT_TRIGGER	2
+#define MSNDMIDI_MODE_BIT_OUTPUT_TRIGGER	3
+
+struct snd_msndmidi {
+	struct snd_msnd *dev;
+
+	unsigned long mode;		/* MSNDMIDI_MODE_XXXX */
+
+	struct snd_rawmidi_substream *substream_input;
+
+	spinlock_t input_lock;
+};
+
+/*
+ * input/output open/close - protected by open_mutex in rawmidi.c
+ */
+static int snd_msndmidi_input_open(struct snd_rawmidi_substream *substream)
+{
+	struct snd_msndmidi *mpu;
+
+	snd_printdd("snd_msndmidi_input_open()\n");
+
+	mpu = substream->rmidi->private_data;
+
+	mpu->substream_input = substream;
+
+	snd_msnd_enable_irq(mpu->dev);
+
+	snd_msnd_send_dsp_cmd(mpu->dev, HDEX_MIDI_IN_START);
+	set_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode);
+	return 0;
+}
+
+static int snd_msndmidi_input_close(struct snd_rawmidi_substream *substream)
+{
+	struct snd_msndmidi *mpu;
+
+	mpu = substream->rmidi->private_data;
+	snd_msnd_send_dsp_cmd(mpu->dev, HDEX_MIDI_IN_STOP);
+	clear_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode);
+	mpu->substream_input = NULL;
+	snd_msnd_disable_irq(mpu->dev);
+	return 0;
+}
+
+static void snd_msndmidi_input_drop(struct snd_msndmidi *mpu)
+{
+	u16 tail;
+
+	tail = readw(mpu->dev->MIDQ + JQS_wTail);
+	writew(tail, mpu->dev->MIDQ + JQS_wHead);
+}
+
+/*
+ * trigger input
+ */
+static void snd_msndmidi_input_trigger(struct snd_rawmidi_substream *substream,
+					int up)
+{
+	unsigned long flags;
+	struct snd_msndmidi *mpu;
+
+	snd_printdd("snd_msndmidi_input_trigger(, %i)\n", up);
+
+	mpu = substream->rmidi->private_data;
+	spin_lock_irqsave(&mpu->input_lock, flags);
+	if (up) {
+		if (!test_and_set_bit(MSNDMIDI_MODE_BIT_INPUT_TRIGGER,
+				      &mpu->mode))
+			snd_msndmidi_input_drop(mpu);
+	} else {
+		clear_bit(MSNDMIDI_MODE_BIT_INPUT_TRIGGER, &mpu->mode);
+	}
+	spin_unlock_irqrestore(&mpu->input_lock, flags);
+	if (up)
+		snd_msndmidi_input_read(mpu);
+}
+
+void snd_msndmidi_input_read(void *mpuv)
+{
+	unsigned long flags;
+	struct snd_msndmidi *mpu = mpuv;
+	void *pwMIDQData = mpu->dev->mappedbase + MIDQ_DATA_BUFF;
+
+	spin_lock_irqsave(&mpu->input_lock, flags);
+	while (readw(mpu->dev->MIDQ + JQS_wTail) !=
+	       readw(mpu->dev->MIDQ + JQS_wHead)) {
+		u16 wTmp, val;
+		val = readw(pwMIDQData + 2 * readw(mpu->dev->MIDQ + JQS_wHead));
+
+			if (test_bit(MSNDMIDI_MODE_BIT_INPUT_TRIGGER,
+				     &mpu->mode))
+				snd_rawmidi_receive(mpu->substream_input,
+						    (unsigned char *)&val, 1);
+
+		wTmp = readw(mpu->dev->MIDQ + JQS_wHead) + 1;
+		if (wTmp > readw(mpu->dev->MIDQ + JQS_wSize))
+			writew(0,  mpu->dev->MIDQ + JQS_wHead);
+		else
+			writew(wTmp,  mpu->dev->MIDQ + JQS_wHead);
+	}
+	spin_unlock_irqrestore(&mpu->input_lock, flags);
+}
+EXPORT_SYMBOL(snd_msndmidi_input_read);
+
+static struct snd_rawmidi_ops snd_msndmidi_input = {
+	.open =		snd_msndmidi_input_open,
+	.close =	snd_msndmidi_input_close,
+	.trigger =	snd_msndmidi_input_trigger,
+};
+
+static void snd_msndmidi_free(struct snd_rawmidi *rmidi)
+{
+	struct snd_msndmidi *mpu = rmidi->private_data;
+	kfree(mpu);
+}
+
+int snd_msndmidi_new(struct snd_card *card, int device)
+{
+	struct snd_msnd *chip = card->private_data;
+	struct snd_msndmidi *mpu;
+	struct snd_rawmidi *rmidi;
+	int err;
+
+	err = snd_rawmidi_new(card, "MSND-MIDI", device, 1, 1, &rmidi);
+	if (err < 0)
+		return err;
+	mpu = kcalloc(1, sizeof(*mpu), GFP_KERNEL);
+	if (mpu == NULL) {
+		snd_device_free(card, rmidi);
+		return -ENOMEM;
+	}
+	mpu->dev = chip;
+	chip->msndmidi_mpu = mpu;
+	rmidi->private_data = mpu;
+	rmidi->private_free = snd_msndmidi_free;
+	spin_lock_init(&mpu->input_lock);
+	strcpy(rmidi->name, "MSND MIDI");
+	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
+			    &snd_msndmidi_input);
+	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
+	return 0;
+}

sound/isa/msnd/msnd_pinnacle.h

+/*********************************************************************
+ *
+ * msnd_pinnacle.h
+ *
+ * Turtle Beach MultiSound Sound Card Driver for Linux
+ *
+ * Some parts of this header file were derived from the Turtle Beach
+ * MultiSound Driver Development Kit.
+ *
+ * Copyright (C) 1998 Andrew Veliath
+ * Copyright (C) 1993 Turtle Beach Systems, Inc.
+ *
+ * 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.
+ *
+ ********************************************************************/
+#ifndef __MSND_PINNACLE_H
+#define __MSND_PINNACLE_H
+
+#define DSP_NUMIO				0x08
+
+#define IREG_LOGDEVICE				0x07
+#define IREG_ACTIVATE				0x30
+#define LD_ACTIVATE				0x01
+#define LD_DISACTIVATE				0x00
+#define IREG_EECONTROL				0x3F
+#define IREG_MEMBASEHI				0x40
+#define IREG_MEMBASELO				0x41
+#define IREG_MEMCONTROL				0x42
+#define IREG_MEMRANGEHI				0x43
+#define IREG_MEMRANGELO				0x44
+#define MEMTYPE_8BIT				0x00
+#define MEMTYPE_16BIT				0x02
+#define MEMTYPE_RANGE				0x00
+#define MEMTYPE_HIADDR				0x01
+#define IREG_IO0_BASEHI				0x60
+#define IREG_IO0_BASELO				0x61
+#define IREG_IO1_BASEHI				0x62
+#define IREG_IO1_BASELO				0x63
+#define IREG_IRQ_NUMBER				0x70
+#define IREG_IRQ_TYPE				0x71
+#define IRQTYPE_HIGH				0x02
+#define IRQTYPE_LOW				0x00
+#define IRQTYPE_LEVEL				0x01
+#define IRQTYPE_EDGE				0x00
+
+#define	HP_DSPR					0x04
+#define	HP_BLKS					0x04
+
+#define HPDSPRESET_OFF				2
+#define HPDSPRESET_ON				0
+
+#define HPBLKSEL_0				2
+#define HPBLKSEL_1				3
+
+#define	HIMT_DAT_OFF				0x03
+
+#define	HIDSP_PLAY_UNDER			0x00
+#define	HIDSP_INT_PLAY_UNDER			0x01
+#define	HIDSP_SSI_TX_UNDER  			0x02
+#define HIDSP_RECQ_OVERFLOW			0x08
+#define HIDSP_INT_RECORD_OVER			0x09
+#define HIDSP_SSI_RX_OVERFLOW			0x0a
+
+#define	HIDSP_MIDI_IN_OVER			0x10
+
+#define	HIDSP_MIDI_FRAME_ERR			0x11
+#define	HIDSP_MIDI_PARITY_ERR			0x12
+#define	HIDSP_MIDI_OVERRUN_ERR			0x13
+
+#define HIDSP_INPUT_CLIPPING			0x20
+#define	HIDSP_MIX_CLIPPING			0x30
+#define HIDSP_DAT_IN_OFF			0x21
+
+#define TIME_PRO_RESET_DONE			0x028A
+#define TIME_PRO_SYSEX				0x001E
+#define TIME_PRO_RESET				0x0032
+
+#define DAR_BUFF_SIZE				0x1000
+
+#define MIDQ_BUFF_SIZE				0x800
+#define DSPQ_BUFF_SIZE				0x5A0
+
+#define DSPQ_DATA_BUFF				0x7860
+
+#define MOP_WAVEHDR				0
+#define MOP_EXTOUT				1
+#define MOP_HWINIT				0xfe
+#define MOP_NONE				0xff
+#define MOP_MAX					1
+
+#define MIP_EXTIN				0
+#define MIP_WAVEHDR				1
+#define MIP_HWINIT				0xfe
+#define MIP_MAX					1
+
+/* Pinnacle/Fiji SMA Common Data */
+#define SMA_wCurrPlayBytes			0x0000
+#define SMA_wCurrRecordBytes			0x0002
+#define SMA_wCurrPlayVolLeft			0x0004
+#define SMA_wCurrPlayVolRight			0x0006
+#define SMA_wCurrInVolLeft			0x0008
+#define SMA_wCurrInVolRight			0x000a
+#define SMA_wCurrMHdrVolLeft			0x000c
+#define SMA_wCurrMHdrVolRight			0x000e
+#define SMA_dwCurrPlayPitch			0x0010
+#define SMA_dwCurrPlayRate			0x0014
+#define SMA_wCurrMIDIIOPatch			0x0018
+#define SMA_wCurrPlayFormat			0x001a
+#define SMA_wCurrPlaySampleSize			0x001c
+#define SMA_wCurrPlayChannels			0x001e
+#define SMA_wCurrPlaySampleRate			0x0020
+#define SMA_wCurrRecordFormat			0x0022
+#define SMA_wCurrRecordSampleSize		0x0024
+#define SMA_wCurrRecordChannels			0x0026
+#define SMA_wCurrRecordSampleRate		0x0028
+#define SMA_wCurrDSPStatusFlags			0x002a
+#define SMA_wCurrHostStatusFlags		0x002c
+#define SMA_wCurrInputTagBits			0x002e
+#define SMA_wCurrLeftPeak			0x0030
+#define SMA_wCurrRightPeak			0x0032
+#define SMA_bMicPotPosLeft			0x0034
+#define SMA_bMicPotPosRight			0x0035
+#define SMA_bMicPotMaxLeft			0x0036
+#define SMA_bMicPotMaxRight			0x0037
+#define SMA_bInPotPosLeft			0x0038
+#define SMA_bInPotPosRight			0x0039
+#define SMA_bAuxPotPosLeft			0x003a
+#define SMA_bAuxPotPosRight			0x003b
+#define SMA_bInPotMaxLeft			0x003c
+#define SMA_bInPotMaxRight			0x003d
+#define SMA_bAuxPotMaxLeft			0x003e
+#define SMA_bAuxPotMaxRight			0x003f
+#define SMA_bInPotMaxMethod			0x0040
+#define SMA_bAuxPotMaxMethod			0x0041
+#define SMA_wCurrMastVolLeft			0x0042
+#define SMA_wCurrMastVolRight			0x0044
+#define SMA_wCalFreqAtoD			0x0046
+#define SMA_wCurrAuxVolLeft			0x0048
+#define SMA_wCurrAuxVolRight			0x004a
+#define SMA_wCurrPlay1VolLeft			0x004c
+#define SMA_wCurrPlay1VolRight			0x004e
+#define SMA_wCurrPlay2VolLeft			0x0050
+#define SMA_wCurrPlay2VolRight			0x0052
+#define SMA_wCurrPlay3VolLeft			0x0054
+#define SMA_wCurrPlay3VolRight			0x0056
+#define SMA_wCurrPlay4VolLeft			0x0058
+#define SMA_wCurrPlay4VolRight			0x005a
+#define SMA_wCurrPlay1PeakLeft			0x005c
+#define SMA_wCurrPlay1PeakRight			0x005e
+#define SMA_wCurrPlay2PeakLeft			0x0060
+#define SMA_wCurrPlay2PeakRight			0x0062
+#define SMA_wCurrPlay3PeakLeft			0x0064
+#define SMA_wCurrPlay3PeakRight			0x0066
+#define SMA_wCurrPlay4PeakLeft			0x0068
+#define SMA_wCurrPlay4PeakRight			0x006a
+#define SMA_wCurrPlayPeakLeft			0x006c
+#define SMA_wCurrPlayPeakRight			0x006e
+#define SMA_wCurrDATSR				0x0070
+#define SMA_wCurrDATRXCHNL			0x0072
+#define SMA_wCurrDATTXCHNL			0x0074
+#define SMA_wCurrDATRXRate			0x0076
+#define SMA_dwDSPPlayCount			0x0078
+#define SMA__size				0x007c
+
+#define INITCODEFILE		"turtlebeach/pndspini.bin"
+#define PERMCODEFILE		"turtlebeach/pndsperm.bin"
+#define LONGNAME		"MultiSound (Pinnacle/Fiji)"
+
+#endif /* __MSND_PINNACLE_H */