1 /* 2 * Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de> 3 * Creative Audio MIDI, for the CA0106 Driver 4 * Version: 0.0.1 5 * 6 * Changelog: 7 * See ca_midi.c 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <linux/spinlock.h> 26 #include <sound/rawmidi.h> 27 #include <sound/mpu401.h> 28 29 #define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT 30 #define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT 31 32 struct snd_ca_midi { 33 34 struct snd_rawmidi *rmidi; 35 struct snd_rawmidi_substream *substream_input; 36 struct snd_rawmidi_substream *substream_output; 37 38 void *dev_id; 39 40 spinlock_t input_lock; 41 spinlock_t output_lock; 42 spinlock_t open_lock; 43 44 unsigned int channel; 45 46 unsigned int midi_mode; 47 int port; 48 int tx_enable, rx_enable; 49 int ipr_tx, ipr_rx; 50 51 int input_avail, output_ready; 52 int ack, reset, enter_uart; 53 54 void (*interrupt)(struct snd_ca_midi *midi, unsigned int status); 55 void (*interrupt_enable)(struct snd_ca_midi *midi, int intr); 56 void (*interrupt_disable)(struct snd_ca_midi *midi, int intr); 57 58 unsigned char (*read)(struct snd_ca_midi *midi, int idx); 59 void (*write)(struct snd_ca_midi *midi, int data, int idx); 60 61 /* get info from dev_id */ 62 struct snd_card *(*get_dev_id_card)(void *dev_id); 63 int (*get_dev_id_port)(void *dev_id); 64 }; 65 66 int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name); 67