linux/sound/oss/msnd.h
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   1/*********************************************************************
   2 *
   3 * msnd.h
   4 *
   5 * Turtle Beach MultiSound Sound Card Driver for Linux
   6 *
   7 * Some parts of this header file were derived from the Turtle Beach
   8 * MultiSound Driver Development Kit.
   9 *
  10 * Copyright (C) 1998 Andrew Veliath
  11 * Copyright (C) 1993 Turtle Beach Systems, Inc.
  12 *
  13 * This program is free software; you can redistribute it and/or modify
  14 * it under the terms of the GNU General Public License as published by
  15 * the Free Software Foundation; either version 2 of the License, or
  16 * (at your option) any later version.
  17 *
  18 * This program is distributed in the hope that it will be useful,
  19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 * GNU General Public License for more details.
  22 *
  23 * You should have received a copy of the GNU General Public License
  24 * along with this program; if not, write to the Free Software
  25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26 *
  27 ********************************************************************/
  28#ifndef __MSND_H
  29#define __MSND_H
  30
  31#define VERSION                 "0.8.3.1"
  32
  33#define DEFSAMPLERATE           DSP_DEFAULT_SPEED
  34#define DEFSAMPLESIZE           AFMT_U8
  35#define DEFCHANNELS             1
  36
  37#define DEFFIFOSIZE             128
  38
  39#define SNDCARD_MSND            38
  40
  41#define SRAM_BANK_SIZE          0x8000
  42#define SRAM_CNTL_START         0x7F00
  43
  44#define DSP_BASE_ADDR           0x4000
  45#define DSP_BANK_BASE           0x4000
  46
  47#define HP_ICR                  0x00
  48#define HP_CVR                  0x01
  49#define HP_ISR                  0x02
  50#define HP_IVR                  0x03
  51#define HP_NU                   0x04
  52#define HP_INFO                 0x04
  53#define HP_TXH                  0x05
  54#define HP_RXH                  0x05
  55#define HP_TXM                  0x06
  56#define HP_RXM                  0x06
  57#define HP_TXL                  0x07
  58#define HP_RXL                  0x07
  59
  60#define HP_ICR_DEF              0x00
  61#define HP_CVR_DEF              0x12
  62#define HP_ISR_DEF              0x06
  63#define HP_IVR_DEF              0x0f
  64#define HP_NU_DEF               0x00
  65
  66#define HP_IRQM                 0x09
  67
  68#define HPR_BLRC                0x08
  69#define HPR_SPR1                0x09
  70#define HPR_SPR2                0x0A
  71#define HPR_TCL0                0x0B
  72#define HPR_TCL1                0x0C
  73#define HPR_TCL2                0x0D
  74#define HPR_TCL3                0x0E
  75#define HPR_TCL4                0x0F
  76
  77#define HPICR_INIT              0x80
  78#define HPICR_HM1               0x40
  79#define HPICR_HM0               0x20
  80#define HPICR_HF1               0x10
  81#define HPICR_HF0               0x08
  82#define HPICR_TREQ              0x02
  83#define HPICR_RREQ              0x01
  84
  85#define HPCVR_HC                0x80
  86
  87#define HPISR_HREQ              0x80
  88#define HPISR_DMA               0x40
  89#define HPISR_HF3               0x10
  90#define HPISR_HF2               0x08
  91#define HPISR_TRDY              0x04
  92#define HPISR_TXDE              0x02
  93#define HPISR_RXDF              0x01
  94
  95#define HPIO_290                0
  96#define HPIO_260                1
  97#define HPIO_250                2
  98#define HPIO_240                3
  99#define HPIO_230                4
 100#define HPIO_220                5
 101#define HPIO_210                6
 102#define HPIO_3E0                7
 103
 104#define HPMEM_NONE              0
 105#define HPMEM_B000              1
 106#define HPMEM_C800              2
 107#define HPMEM_D000              3
 108#define HPMEM_D400              4
 109#define HPMEM_D800              5
 110#define HPMEM_E000              6
 111#define HPMEM_E800              7
 112
 113#define HPIRQ_NONE              0
 114#define HPIRQ_5                 1
 115#define HPIRQ_7                 2
 116#define HPIRQ_9                 3
 117#define HPIRQ_10                4
 118#define HPIRQ_11                5
 119#define HPIRQ_12                6
 120#define HPIRQ_15                7
 121
 122#define HIMT_PLAY_DONE          0x00
 123#define HIMT_RECORD_DONE        0x01
 124#define HIMT_MIDI_EOS           0x02
 125#define HIMT_MIDI_OUT           0x03
 126
 127#define HIMT_MIDI_IN_UCHAR      0x0E
 128#define HIMT_DSP                0x0F
 129
 130#define HDEX_BASE               0x92
 131#define HDEX_PLAY_START         (0 + HDEX_BASE)
 132#define HDEX_PLAY_STOP          (1 + HDEX_BASE)
 133#define HDEX_PLAY_PAUSE         (2 + HDEX_BASE)
 134#define HDEX_PLAY_RESUME        (3 + HDEX_BASE)
 135#define HDEX_RECORD_START       (4 + HDEX_BASE)
 136#define HDEX_RECORD_STOP        (5 + HDEX_BASE)
 137#define HDEX_MIDI_IN_START      (6 + HDEX_BASE)
 138#define HDEX_MIDI_IN_STOP       (7 + HDEX_BASE)
 139#define HDEX_MIDI_OUT_START     (8 + HDEX_BASE)
 140#define HDEX_MIDI_OUT_STOP      (9 + HDEX_BASE)
 141#define HDEX_AUX_REQ            (10 + HDEX_BASE)
 142
 143#define HIWORD(l)               ((WORD)((((DWORD)(l)) >> 16) & 0xFFFF))
 144#define LOWORD(l)               ((WORD)(DWORD)(l))
 145#define HIBYTE(w)               ((BYTE)(((WORD)(w) >> 8) & 0xFF))
 146#define LOBYTE(w)               ((BYTE)(w))
 147#define MAKELONG(low,hi)        ((long)(((WORD)(low))|(((DWORD)((WORD)(hi)))<<16)))
 148#define MAKEWORD(low,hi)        ((WORD)(((BYTE)(low))|(((WORD)((BYTE)(hi)))<<8)))
 149
 150#define PCTODSP_OFFSET(w)       (USHORT)((w)/2)
 151#define PCTODSP_BASED(w)        (USHORT)(((w)/2) + DSP_BASE_ADDR)
 152#define DSPTOPC_BASED(w)        (((w) - DSP_BASE_ADDR) * 2)
 153
 154#ifdef SLOWIO
 155#define msnd_outb                       outb_p
 156#define msnd_inb                        inb_p
 157#else
 158#define msnd_outb                       outb
 159#define msnd_inb                        inb
 160#endif
 161
 162/* JobQueueStruct */
 163#define JQS_wStart              0x00
 164#define JQS_wSize               0x02
 165#define JQS_wHead               0x04
 166#define JQS_wTail               0x06
 167#define JQS__size               0x08
 168
 169/* DAQueueDataStruct */
 170#define DAQDS_wStart            0x00
 171#define DAQDS_wSize             0x02
 172#define DAQDS_wFormat           0x04
 173#define DAQDS_wSampleSize       0x06
 174#define DAQDS_wChannels         0x08
 175#define DAQDS_wSampleRate       0x0A
 176#define DAQDS_wIntMsg           0x0C
 177#define DAQDS_wFlags            0x0E
 178#define DAQDS__size             0x10
 179
 180typedef u8                      BYTE;
 181typedef u16                     USHORT;
 182typedef u16                     WORD;
 183typedef u32                     DWORD;
 184typedef void __iomem *          LPDAQD;
 185
 186/* Generic FIFO */
 187typedef struct {
 188        size_t n, len;
 189        char *data;
 190        int head, tail;
 191} msnd_fifo;
 192
 193typedef struct multisound_dev {
 194        /* Linux device info */
 195        char *name;
 196        int dsp_minor, mixer_minor;
 197        int ext_midi_dev, hdr_midi_dev;
 198
 199        /* Hardware resources */
 200        int io, numio;
 201        int memid, irqid;
 202        int irq, irq_ref;
 203        unsigned char info;
 204        void __iomem *base;
 205
 206        /* Motorola 56k DSP SMA */
 207        void __iomem *SMA;
 208        void __iomem *DAPQ, *DARQ, *MODQ, *MIDQ, *DSPQ;
 209        void __iomem *pwDSPQData, *pwMIDQData, *pwMODQData;
 210        int dspq_data_buff, dspq_buff_size;
 211
 212        /* State variables */
 213        enum { msndClassic, msndPinnacle } type;
 214        fmode_t mode;
 215        unsigned long flags;
 216#define F_RESETTING                     0
 217#define F_HAVEDIGITAL                   1
 218#define F_AUDIO_WRITE_INUSE             2
 219#define F_WRITING                       3
 220#define F_WRITEBLOCK                    4
 221#define F_WRITEFLUSH                    5
 222#define F_AUDIO_READ_INUSE              6
 223#define F_READING                       7
 224#define F_READBLOCK                     8
 225#define F_EXT_MIDI_INUSE                9
 226#define F_HDR_MIDI_INUSE                10
 227#define F_DISABLE_WRITE_NDELAY          11
 228        wait_queue_head_t writeblock;
 229        wait_queue_head_t readblock;
 230        wait_queue_head_t writeflush;
 231        spinlock_t lock;
 232        int nresets;
 233        unsigned long recsrc;
 234        int left_levels[32];
 235        int right_levels[32];
 236        int mixer_mod_count;
 237        int calibrate_signal;
 238        int play_sample_size, play_sample_rate, play_channels;
 239        int play_ndelay;
 240        int rec_sample_size, rec_sample_rate, rec_channels;
 241        int rec_ndelay;
 242        BYTE bCurrentMidiPatch;
 243
 244        /* Digital audio FIFOs */
 245        msnd_fifo DAPF, DARF;
 246        int fifosize;
 247        int last_playbank, last_recbank;
 248
 249        /* MIDI in callback */
 250        void (*midi_in_interrupt)(struct multisound_dev *);
 251} multisound_dev_t;
 252
 253#ifndef mdelay
 254#  define mdelay(a)             udelay((a) * 1000)
 255#endif
 256
 257int                             msnd_register(multisound_dev_t *dev);
 258void                            msnd_unregister(multisound_dev_t *dev);
 259
 260void                            msnd_init_queue(void __iomem *, int start, int size);
 261
 262void                            msnd_fifo_init(msnd_fifo *f);
 263void                            msnd_fifo_free(msnd_fifo *f);
 264int                             msnd_fifo_alloc(msnd_fifo *f, size_t n);
 265void                            msnd_fifo_make_empty(msnd_fifo *f);
 266int                             msnd_fifo_write_io(msnd_fifo *f, char __iomem *buf, size_t len);
 267int                             msnd_fifo_read_io(msnd_fifo *f, char __iomem *buf, size_t len);
 268int                             msnd_fifo_write(msnd_fifo *f, const char *buf, size_t len);
 269int                             msnd_fifo_read(msnd_fifo *f, char *buf, size_t len);
 270
 271int                             msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd);
 272int                             msnd_send_word(multisound_dev_t *dev, unsigned char high,
 273                                               unsigned char mid, unsigned char low);
 274int                             msnd_upload_host(multisound_dev_t *dev, char *bin, int len);
 275int                             msnd_enable_irq(multisound_dev_t *dev);
 276int                             msnd_disable_irq(multisound_dev_t *dev);
 277
 278#endif /* __MSND_H */
 279
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