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Diffstat (limited to 'sound/oss/emu10k1/cardmi.h')
| -rw-r--r-- | sound/oss/emu10k1/cardmi.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/cardmi.h b/sound/oss/emu10k1/cardmi.h new file mode 100644 index 000000000000..d12c24116307 --- /dev/null +++ b/sound/oss/emu10k1/cardmi.h @@ -0,0 +1,97 @@ +/* + ********************************************************************** + * sblive_mi.h + * Copyright 1999, 2000 Creative Labs, Inc. + * + ********************************************************************** + * + * Date Author Summary of changes + * ---- ------ ------------------ + * October 20, 1999 Bertrand Lee base code release + * November 2, 1999 Alan Cox cleaned up + * + ********************************************************************** + * + * 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. + * + ********************************************************************** + */ + +#ifndef _CARDMI_H +#define _CARDMI_H + +#include "icardmid.h" +#include <linux/interrupt.h> + +typedef enum +{ + STIN_PARSE = 0, + STIN_3BYTE, /* 0x80, 0x90, 0xA0, 0xB0, 0xE0 */ + STIN_3BYTE_KEY, /* Byte 1 */ + STIN_3BYTE_VEL, /* Byte 1 */ + STIN_2BYTE, /* 0xC0, 0xD0 */ + STIN_2BYTE_KEY, /* Byte 1 */ + STIN_SYS_COMMON_2, /* 0xF1, 0xF3 */ + STIN_SYS_COMMON_2_KEY, + STIN_SYS_COMMON_3, /* 0xF2 */ + STIN_SYS_COMMON_3_KEY, + STIN_SYS_COMMON_3_VEL, + STIN_SYS_EX_NORM, /* 0xF0, Normal mode */ + STIN_SYS_REAL +} midi_in_state; + + +/* flags for card MIDI in object */ +#define FLAGS_MIDM_STARTED 0x00001000 // Data has started to come in after Midm Start +#define MIDIIN_MAX_BUFFER_SIZE 200 // Definition for struct emu10k1_mpuin + +struct midi_data +{ + u8 data; + u32 timein; +}; + +struct emu10k1_mpuin +{ + spinlock_t lock; + struct midi_queue *firstmidiq; + struct midi_queue *lastmidiq; + unsigned qhead, qtail; + struct midi_data midiq[MIDIIN_MAX_BUFFER_SIZE]; + struct tasklet_struct tasklet; + struct midi_openinfo openinfo; + + /* For MIDI state machine */ + u8 status; /* For MIDI running status */ + u8 fstatus; /* For 0xFn status only */ + midi_in_state curstate; + midi_in_state laststate; + u32 timestart; + u32 timein; + u8 data; +}; + +int emu10k1_mpuin_open(struct emu10k1_card *, struct midi_openinfo *); +int emu10k1_mpuin_close(struct emu10k1_card *); +int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *, struct midi_hdr *); +int emu10k1_mpuin_start(struct emu10k1_card *); +int emu10k1_mpuin_stop(struct emu10k1_card *); +int emu10k1_mpuin_reset(struct emu10k1_card *); + +int emu10k1_mpuin_irqhandler(struct emu10k1_card *); +void emu10k1_mpuin_bh(unsigned long); + +#endif /* _CARDMI_H */ |