278 lines
		
	
	
	
		
			7.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			278 lines
		
	
	
	
		
			7.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*********************************************************************
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 *
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 * msnd.h
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 *
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 * Turtle Beach MultiSound Sound Card Driver for Linux
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 *
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 * Some parts of this header file were derived from the Turtle Beach
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 * MultiSound Driver Development Kit.
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 *
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 * Copyright (C) 1998 Andrew Veliath
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 * Copyright (C) 1993 Turtle Beach Systems, Inc.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 *
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 ********************************************************************/
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#ifndef __MSND_H
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#define __MSND_H
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#define VERSION			"0.8.3.1"
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#define DEFSAMPLERATE		DSP_DEFAULT_SPEED
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#define DEFSAMPLESIZE		AFMT_U8
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#define DEFCHANNELS		1
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#define DEFFIFOSIZE		128
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#define SNDCARD_MSND		38
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#define SRAM_BANK_SIZE		0x8000
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#define SRAM_CNTL_START		0x7F00
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#define DSP_BASE_ADDR		0x4000
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#define DSP_BANK_BASE		0x4000
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#define	HP_ICR			0x00
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#define	HP_CVR			0x01
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#define	HP_ISR			0x02
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#define	HP_IVR			0x03
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#define HP_NU			0x04
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#define HP_INFO			0x04
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#define	HP_TXH			0x05
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#define	HP_RXH			0x05
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#define	HP_TXM			0x06
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#define	HP_RXM			0x06
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#define	HP_TXL			0x07
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#define	HP_RXL			0x07
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#define HP_ICR_DEF		0x00
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#define HP_CVR_DEF		0x12
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#define HP_ISR_DEF		0x06
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#define HP_IVR_DEF		0x0f
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#define HP_NU_DEF		0x00
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#define	HP_IRQM			0x09
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#define	HPR_BLRC		0x08
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#define	HPR_SPR1		0x09
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#define	HPR_SPR2		0x0A
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#define	HPR_TCL0		0x0B
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#define	HPR_TCL1		0x0C
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#define	HPR_TCL2		0x0D
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#define	HPR_TCL3		0x0E
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#define	HPR_TCL4		0x0F
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#define	HPICR_INIT		0x80
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#define HPICR_HM1		0x40
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#define HPICR_HM0		0x20
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#define HPICR_HF1		0x10
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#define HPICR_HF0		0x08
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#define	HPICR_TREQ		0x02
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#define	HPICR_RREQ		0x01
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#define HPCVR_HC		0x80
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#define	HPISR_HREQ		0x80
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#define HPISR_DMA		0x40
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#define HPISR_HF3		0x10
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#define HPISR_HF2		0x08
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#define	HPISR_TRDY		0x04
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#define	HPISR_TXDE		0x02
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#define	HPISR_RXDF		0x01
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#define	HPIO_290		0
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#define	HPIO_260		1
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#define	HPIO_250		2
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#define	HPIO_240		3
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#define	HPIO_230		4
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#define	HPIO_220		5
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#define	HPIO_210		6
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#define	HPIO_3E0		7
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#define	HPMEM_NONE		0
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#define	HPMEM_B000		1
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#define	HPMEM_C800		2
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#define	HPMEM_D000		3
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#define	HPMEM_D400		4
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#define	HPMEM_D800		5
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#define	HPMEM_E000		6
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#define	HPMEM_E800		7
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#define	HPIRQ_NONE		0
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#define HPIRQ_5			1
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#define HPIRQ_7			2
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#define HPIRQ_9			3
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#define HPIRQ_10		4
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#define HPIRQ_11		5
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#define HPIRQ_12		6
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#define HPIRQ_15		7
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#define	HIMT_PLAY_DONE		0x00
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#define	HIMT_RECORD_DONE	0x01
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#define	HIMT_MIDI_EOS		0x02
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#define	HIMT_MIDI_OUT		0x03
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#define	HIMT_MIDI_IN_UCHAR	0x0E
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#define	HIMT_DSP		0x0F
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#define	HDEX_BASE	       	0x92
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#define	HDEX_PLAY_START		(0 + HDEX_BASE)
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#define	HDEX_PLAY_STOP		(1 + HDEX_BASE)
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#define	HDEX_PLAY_PAUSE		(2 + HDEX_BASE)
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#define	HDEX_PLAY_RESUME	(3 + HDEX_BASE)
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#define	HDEX_RECORD_START	(4 + HDEX_BASE)
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#define	HDEX_RECORD_STOP	(5 + HDEX_BASE)
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#define	HDEX_MIDI_IN_START 	(6 + HDEX_BASE)
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#define	HDEX_MIDI_IN_STOP	(7 + HDEX_BASE)
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#define	HDEX_MIDI_OUT_START	(8 + HDEX_BASE)
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#define	HDEX_MIDI_OUT_STOP	(9 + HDEX_BASE)
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#define	HDEX_AUX_REQ		(10 + HDEX_BASE)
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#define HIWORD(l)		((WORD)((((DWORD)(l)) >> 16) & 0xFFFF))
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#define LOWORD(l)		((WORD)(DWORD)(l))
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#define HIBYTE(w)		((BYTE)(((WORD)(w) >> 8) & 0xFF))
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#define LOBYTE(w)		((BYTE)(w))
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#define MAKELONG(low,hi)	((long)(((WORD)(low))|(((DWORD)((WORD)(hi)))<<16)))
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#define MAKEWORD(low,hi)	((WORD)(((BYTE)(low))|(((WORD)((BYTE)(hi)))<<8)))
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#define PCTODSP_OFFSET(w)	(USHORT)((w)/2)
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#define PCTODSP_BASED(w)	(USHORT)(((w)/2) + DSP_BASE_ADDR)
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#define DSPTOPC_BASED(w)	(((w) - DSP_BASE_ADDR) * 2)
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#ifdef SLOWIO
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#define msnd_outb			outb_p
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#define msnd_inb			inb_p
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#else
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#define msnd_outb			outb
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#define msnd_inb			inb
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#endif
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/* JobQueueStruct */
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#define JQS_wStart		0x00
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#define JQS_wSize		0x02
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#define JQS_wHead		0x04
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#define JQS_wTail		0x06
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#define JQS__size		0x08
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/* DAQueueDataStruct */
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#define DAQDS_wStart		0x00
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#define DAQDS_wSize		0x02
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#define DAQDS_wFormat		0x04
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#define DAQDS_wSampleSize	0x06
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#define DAQDS_wChannels		0x08
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#define DAQDS_wSampleRate	0x0A
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#define DAQDS_wIntMsg		0x0C
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#define DAQDS_wFlags		0x0E
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#define DAQDS__size		0x10
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typedef u8			BYTE;
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typedef u16			USHORT;
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typedef u16			WORD;
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typedef u32			DWORD;
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typedef void __iomem *		LPDAQD;
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/* Generic FIFO */
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typedef struct {
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	size_t n, len;
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	char *data;
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	int head, tail;
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} msnd_fifo;
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typedef struct multisound_dev {
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	/* Linux device info */
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	char *name;
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	int dsp_minor, mixer_minor;
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	int ext_midi_dev, hdr_midi_dev;
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	/* Hardware resources */
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	int io, numio;
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	int memid, irqid;
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	int irq, irq_ref;
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	unsigned char info;
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	void __iomem *base;
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	/* Motorola 56k DSP SMA */
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	void __iomem *SMA;
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	void __iomem *DAPQ, *DARQ, *MODQ, *MIDQ, *DSPQ;
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	void __iomem *pwDSPQData, *pwMIDQData, *pwMODQData;
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	int dspq_data_buff, dspq_buff_size;
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	/* State variables */
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	enum { msndClassic, msndPinnacle } type;
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	fmode_t mode;
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	unsigned long flags;
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#define F_RESETTING			0
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#define F_HAVEDIGITAL			1
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#define F_AUDIO_WRITE_INUSE		2
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#define F_WRITING			3
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#define F_WRITEBLOCK			4
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#define F_WRITEFLUSH			5
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#define F_AUDIO_READ_INUSE		6
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#define F_READING			7
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#define F_READBLOCK			8
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#define F_EXT_MIDI_INUSE		9
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#define F_HDR_MIDI_INUSE		10
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#define F_DISABLE_WRITE_NDELAY		11
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	wait_queue_head_t writeblock;
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	wait_queue_head_t readblock;
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	wait_queue_head_t writeflush;
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	spinlock_t lock;
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	int nresets;
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	unsigned long recsrc;
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	int left_levels[32];
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	int right_levels[32];
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	int mixer_mod_count;
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	int calibrate_signal;
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	int play_sample_size, play_sample_rate, play_channels;
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	int play_ndelay;
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	int rec_sample_size, rec_sample_rate, rec_channels;
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	int rec_ndelay;
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	BYTE bCurrentMidiPatch;
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	/* Digital audio FIFOs */
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	msnd_fifo DAPF, DARF;
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	int fifosize;
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	int last_playbank, last_recbank;
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	/* MIDI in callback */
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	void (*midi_in_interrupt)(struct multisound_dev *);
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} multisound_dev_t;
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#ifndef mdelay
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#  define mdelay(a)		udelay((a) * 1000)
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#endif
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int				msnd_register(multisound_dev_t *dev);
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void				msnd_unregister(multisound_dev_t *dev);
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void				msnd_init_queue(void __iomem *, int start, int size);
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void				msnd_fifo_init(msnd_fifo *f);
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void				msnd_fifo_free(msnd_fifo *f);
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int				msnd_fifo_alloc(msnd_fifo *f, size_t n);
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void				msnd_fifo_make_empty(msnd_fifo *f);
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int				msnd_fifo_write_io(msnd_fifo *f, char __iomem *buf, size_t len);
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int				msnd_fifo_read_io(msnd_fifo *f, char __iomem *buf, size_t len);
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int				msnd_fifo_write(msnd_fifo *f, const char *buf, size_t len);
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int				msnd_fifo_read(msnd_fifo *f, char *buf, size_t len);
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int				msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd);
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int				msnd_send_word(multisound_dev_t *dev, unsigned char high,
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					       unsigned char mid, unsigned char low);
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int				msnd_upload_host(multisound_dev_t *dev, char *bin, int len);
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int				msnd_enable_irq(multisound_dev_t *dev);
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int				msnd_disable_irq(multisound_dev_t *dev);
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#endif /* __MSND_H */
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