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/*********************************************************************

 *

 * 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.

 *

 * $Id: msnd.h,v 1.1.1.1 2004-04-15 02:21:40 phoenix Exp $

 *

 ********************************************************************/

#ifndef __MSND_H

#define __MSND_H

#define VERSION                 "0.8.3.1"

#define DEFSAMPLERATE           DSP_DEFAULT_SPEED

#define DEFSAMPLESIZE           AFMT_U8

#define DEFCHANNELS             1

#define DEFFIFOSIZE             128

#define SNDCARD_MSND            38

#define SRAM_BANK_SIZE          0x8000

#define SRAM_CNTL_START         0x7F00

#define DSP_BASE_ADDR           0x4000

#define DSP_BANK_BASE           0x4000

#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 HIWORD(l)               ((WORD)((((DWORD)(l)) >> 16) & 0xFFFF))

#define LOWORD(l)               ((WORD)(DWORD)(l))

#define HIBYTE(w)               ((BYTE)(((WORD)(w) >> 8) & 0xFF))

#define LOBYTE(w)               ((BYTE)(w))

#define MAKELONG(low,hi)        ((long)(((WORD)(low))|(((DWORD)((WORD)(hi)))<<16)))

#define MAKEWORD(low,hi)        ((WORD)(((BYTE)(low))|(((WORD)((BYTE)(hi)))<<8)))

#define PCTODSP_OFFSET(w)       (USHORT)((w)/2)

#define PCTODSP_BASED(w)        (USHORT)(((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

typedef u8                      BYTE;

typedef u16                     USHORT;

typedef u16                     WORD;

typedef u32                     DWORD;

typedef unsigned long           LPDAQD;

/* Generic FIFO */

typedef struct {

        size_t n, len;

        char *data;

        int head, tail;

} msnd_fifo;

typedef struct multisound_dev {

        /* Linux device info */

        char *name;

        int dsp_minor, mixer_minor;

        int ext_midi_dev, hdr_midi_dev;

        /* Hardware resources */

        int io, numio;

        int memid, irqid;

        int irq, irq_ref;

        unsigned char info;

        unsigned long base;

        /* Motorola 56k DSP SMA */

        unsigned long SMA;

        unsigned long DAPQ, DARQ, MODQ, MIDQ, DSPQ;

        unsigned long pwDSPQData, pwMIDQData, pwMODQData;

        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

        wait_queue_head_t writeblock;

        wait_queue_head_t readblock;

        wait_queue_head_t writeflush;

        spinlock_t lock;

        int nresets;

        unsigned long recsrc;

        int left_levels[16];

        int right_levels[16];

        int mixer_mod_count;

        int calibrate_signal;

        int play_sample_size, play_sample_rate, play_channels;

        int play_ndelay;

        int rec_sample_size, rec_sample_rate, rec_channels;

        int rec_ndelay;

        BYTE bCurrentMidiPatch;

        /* Digital audio FIFOs */

        msnd_fifo DAPF, DARF;

        int fifosize;

        int last_playbank, last_recbank;

        /* MIDI in callback */

        void (*midi_in_interrupt)(struct multisound_dev *);

} multisound_dev_t;

#ifndef mdelay

#  define mdelay(a)             udelay((a) * 1000)

#endif

int                             msnd_register(multisound_dev_t *dev);

void                            msnd_unregister(multisound_dev_t *dev);

int                             msnd_get_num_devs(void);

multisound_dev_t *              msnd_get_dev(int i);

void                            msnd_init_queue(unsigned long, int start, int size);

void                            msnd_fifo_init(msnd_fifo *f);

void                            msnd_fifo_free(msnd_fifo *f);

int                             msnd_fifo_alloc(msnd_fifo *f, size_t n);

void                            msnd_fifo_make_empty(msnd_fifo *f);

int                             msnd_fifo_write(msnd_fifo *f, const char *buf, size_t len, int user);

int                             msnd_fifo_read(msnd_fifo *f, char *buf, size_t len, int user);

int                             msnd_wait_TXDE(multisound_dev_t *dev);

int                             msnd_wait_HC0(multisound_dev_t *dev);

int                             msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd);

int                             msnd_send_word(multisound_dev_t *dev, unsigned char high,

                                               unsigned char mid, unsigned char low);

int                             msnd_upload_host(multisound_dev_t *dev, char *bin, int len);

int                             msnd_enable_irq(multisound_dev_t *dev);

int                             msnd_disable_irq(multisound_dev_t *dev);

#endif /* __MSND_H */