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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.
 *
 * msnd.h,v 1.1 2002/07/08 10:21:54 tiwai Exp
 *
 ********************************************************************/
#ifndef __MSND_H
#define __MSND_H

#define VERSION               "0.1.3.0"

#define DEFSAMPLERATE         44100
#define DEFSAMPLESIZE         SNDRV_PCM_FORMAT_S16
#define DEFCHANNELS           1

#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 {
      void*             mappedbase;
      int               play_period_bytes;
      int               playLimit;
      int               playPeriods;
      int               playDMAPos;
      int               captureDMAPos;
      int               capturePeriodBytes;
      int               captureLimit;
      int               capturePeriods;
      snd_pcm_substream_t*    captureSubstream;
      snd_card_t*       card;
      snd_pcm_t*        pcm;
      void*             msndmidi_mpu;

      /* Linux device info */
      char*             name;

      /* 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
      spinlock_t lock;
      int nresets;
      unsigned recsrc;
#define LEVEL_ENTRIES 32
      int left_levels[ LEVEL_ENTRIES];
      int right_levels[ LEVEL_ENTRIES];
      int mixer_mod_count;
      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;
      BYTE bCurrentMidiPatch;

      int last_playbank, last_recbank;

} multisound_dev_t;

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

int               snd_msnd_register(multisound_dev_t *dev);
void              snd_msnd_unregister(multisound_dev_t *dev);
int               snd_msnd_get_num_devs(void);
multisound_dev_t *      snd_msnd_get_dev(int i);

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

int               snd_msnd_wait_TXDE(multisound_dev_t *dev);
int               snd_msnd_wait_HC0(multisound_dev_t *dev);
int               snd_msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd);
int               snd_msnd_send_word(multisound_dev_t *dev, unsigned char high,
                               unsigned char mid, unsigned char low);
int               snd_msnd_upload_host(multisound_dev_t *dev, char *bin, int len);
int               snd_msnd_enable_irq(multisound_dev_t *dev);
int               snd_msnd_disable_irq(multisound_dev_t *dev);


int snd_msndmidi_new(snd_card_t * card, int device, multisound_dev_t *dev);
void snd_msndmidi_input_read( void * mpu);

#endif /* __MSND_H */

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