98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
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/*
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**********************************************************************
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* sblive_mi.h
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* Copyright 1999, 2000 Creative Labs, Inc.
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*
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**********************************************************************
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*
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* Date Author Summary of changes
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* ---- ------ ------------------
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* October 20, 1999 Bertrand Lee base code release
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* November 2, 1999 Alan Cox cleaned up
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*
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**********************************************************************
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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* USA.
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*
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**********************************************************************
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*/
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#ifndef _CARDMI_H
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#define _CARDMI_H
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#include "icardmid.h"
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#include <linux/interrupt.h>
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typedef enum
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{
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STIN_PARSE = 0,
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STIN_3BYTE, /* 0x80, 0x90, 0xA0, 0xB0, 0xE0 */
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STIN_3BYTE_KEY, /* Byte 1 */
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STIN_3BYTE_VEL, /* Byte 1 */
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STIN_2BYTE, /* 0xC0, 0xD0 */
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STIN_2BYTE_KEY, /* Byte 1 */
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STIN_SYS_COMMON_2, /* 0xF1, 0xF3 */
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STIN_SYS_COMMON_2_KEY,
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STIN_SYS_COMMON_3, /* 0xF2 */
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STIN_SYS_COMMON_3_KEY,
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STIN_SYS_COMMON_3_VEL,
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STIN_SYS_EX_NORM, /* 0xF0, Normal mode */
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STIN_SYS_REAL
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} midi_in_state;
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/* flags for card MIDI in object */
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#define FLAGS_MIDM_STARTED 0x00001000 // Data has started to come in after Midm Start
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#define MIDIIN_MAX_BUFFER_SIZE 200 // Definition for struct emu10k1_mpuin
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struct midi_data
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{
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u8 data;
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u32 timein;
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};
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struct emu10k1_mpuin
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{
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spinlock_t lock;
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struct midi_queue *firstmidiq;
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struct midi_queue *lastmidiq;
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unsigned qhead, qtail;
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struct midi_data midiq[MIDIIN_MAX_BUFFER_SIZE];
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struct tasklet_struct tasklet;
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struct midi_openinfo openinfo;
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/* For MIDI state machine */
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u8 status; /* For MIDI running status */
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u8 fstatus; /* For 0xFn status only */
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midi_in_state curstate;
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midi_in_state laststate;
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u32 timestart;
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u32 timein;
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u8 data;
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};
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int emu10k1_mpuin_open(struct emu10k1_card *, struct midi_openinfo *);
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int emu10k1_mpuin_close(struct emu10k1_card *);
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int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *, struct midi_hdr *);
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int emu10k1_mpuin_start(struct emu10k1_card *);
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int emu10k1_mpuin_stop(struct emu10k1_card *);
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int emu10k1_mpuin_reset(struct emu10k1_card *);
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int emu10k1_mpuin_irqhandler(struct emu10k1_card *);
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void emu10k1_mpuin_bh(unsigned long);
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#endif /* _CARDMI_H */
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