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 39typedef 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 61struct midi_data 62{ 63 u8 data; 64 u32 timein; 65}; 66 67struct 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 87int emu10k1_mpuin_open(struct emu10k1_card *, struct midi_openinfo *); 88int emu10k1_mpuin_close(struct emu10k1_card *); 89int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *, struct midi_hdr *); 90int emu10k1_mpuin_start(struct emu10k1_card *); 91int emu10k1_mpuin_stop(struct emu10k1_card *); 92int emu10k1_mpuin_reset(struct emu10k1_card *); 93 94int emu10k1_mpuin_irqhandler(struct emu10k1_card *); 95void emu10k1_mpuin_bh(unsigned long); 96 97#endif /* _CARDMI_H */ 98