sound/oss/emu10k1/cardmi.h

   1 /*
   2  **********************************************************************
   3  *     sblive_mi.h
   4  *     Copyright 1999, 2000 Creative Labs, Inc.
   5  *
   6  **********************************************************************
   7  *
   8  *     Date                 Author          Summary of changes
   9  *     ----                 ------          ------------------
  10  *     October 20, 1999     Bertrand Lee    base code release
  11  *     November 2, 1999     Alan Cox        cleaned up
  12  *
  13  **********************************************************************
  14  *
  15  *     This program is free software; you can redistribute it and/or
  16  *     modify it under the terms of the GNU General Public License as
  17  *     published by the Free Software Foundation; either version 2 of
  18  *     the License, or (at your option) any later version.
  19  *
  20  *     This program is distributed in the hope that it will be useful,
  21  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *     GNU General Public License for more details.
  24  *
  25  *     You should have received a copy of the GNU General Public
  26  *     License along with this program; if not, write to the Free
  27  *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
  28  *     USA.
  29  *
  30  **********************************************************************
  31  */
  32
  33 #ifndef _CARDMI_H
  34 #define _CARDMI_H
  35
  36 #include "icardmid.h"
  37 #include <linux/interrupt.h>
  38
  39 typedef enum
  40 {
  41         STIN_PARSE = 0,
  42         STIN_3BYTE,                     /* 0x80, 0x90, 0xA0, 0xB0, 0xE0 */
  43         STIN_3BYTE_KEY,                 /* Byte 1 */
  44         STIN_3BYTE_VEL,                 /* Byte 1 */
  45         STIN_2BYTE,                     /* 0xC0, 0xD0 */
  46         STIN_2BYTE_KEY,                 /* Byte 1 */
  47         STIN_SYS_COMMON_2,              /* 0xF1, 0xF3  */
  48         STIN_SYS_COMMON_2_KEY,
  49         STIN_SYS_COMMON_3,              /* 0xF2 */
  50         STIN_SYS_COMMON_3_KEY,
  51         STIN_SYS_COMMON_3_VEL,
  52         STIN_SYS_EX_NORM,               /* 0xF0, Normal mode */
  53         STIN_SYS_REAL
  54 } midi_in_state;
  55
  56
  57 /* flags for card MIDI in object */
  58 #define FLAGS_MIDM_STARTED          0x00001000      // Data has started to come in after Midm Start
  59 #define MIDIIN_MAX_BUFFER_SIZE      200             // Definition for struct emu10k1_mpuin
  60
  61 struct midi_data
  62 {
  63         u8 data;
  64         u32 timein;
  65 };
  66
  67 struct emu10k1_mpuin
  68 {
  69         spinlock_t        lock;
  70         struct midi_queue *firstmidiq;
  71         struct midi_queue *lastmidiq;
  72         unsigned          qhead, qtail;
  73         struct midi_data  midiq[MIDIIN_MAX_BUFFER_SIZE];
  74         struct tasklet_struct tasklet;
  75         struct midi_openinfo    openinfo;
  76
  77         /* For MIDI state machine */
  78         u8              status;        /* For MIDI running status */
  79         u8              fstatus;       /* For 0xFn status only */
  80         midi_in_state   curstate;
  81         midi_in_state   laststate;
  82         u32             timestart;
  83         u32             timein;
  84         u8              data;
  85 };
  86
  87 int emu10k1_mpuin_open(struct emu10k1_card *, struct midi_openinfo *);
  88 int emu10k1_mpuin_close(struct emu10k1_card *);
  89 int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *, struct midi_hdr *);
  90 int emu10k1_mpuin_start(struct emu10k1_card *);
  91 int emu10k1_mpuin_stop(struct emu10k1_card *);
  92 int emu10k1_mpuin_reset(struct emu10k1_card *);
  93
  94 int emu10k1_mpuin_irqhandler(struct emu10k1_card *);
  95 void emu10k1_mpuin_bh(unsigned long);
  96
  97 #endif  /* _CARDMI_H */