[ALSA] snd-ca0106: Add midi support.

Modules: PCI drivers,CA0106 driver

Author: Tilman Kranz <tilde@tk-sls.de>

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>

1 files changed, 72 insertions, 0 deletions

diff --git a/sound/pci/ca0106/ca_midi.h b/sound/pci/ca0106/ca_midi.h
new file mode 100644
index 0000000..95c8e1c
--- /dev/null
+++ b/sound/pci/ca0106/ca_midi.h
@@ -0,0 +1,72 @@
+/* 
+ *  Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>
+ *  Creative Audio MIDI, for the CA0106 Driver
+ *  Version: 0.0.1
+ *
+ *  Changelog:
+ *    See ca_midi.c
+ *
+ *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include<linux/spinlock.h>
+#include<sound/rawmidi.h>
+#include<sound/mpu401.h>
+
+#define CA_MIDI_MODE_INPUT	MPU401_MODE_INPUT
+#define CA_MIDI_MODE_OUTPUT	MPU401_MODE_OUTPUT
+
+typedef struct ca_midi ca_midi_t;
+struct ca_midi {
+
+	snd_rawmidi_t *rmidi;
+	snd_rawmidi_substream_t *substream_input;
+	snd_rawmidi_substream_t *substream_output;
+
+	void *dev_id;
+
+	spinlock_t input_lock;
+	spinlock_t output_lock;
+	spinlock_t open_lock;
+
+	unsigned int channel;
+
+	unsigned int midi_mode;
+	int port;
+	int tx_enable, rx_enable;
+	int ipr_tx, ipr_rx;            
+	
+	int input_avail, output_ready;
+	int ack, reset, enter_uart;
+
+	void (*interrupt)(ca_midi_t *midi, unsigned int status);
+	void (*interrupt_enable)(ca_midi_t *midi, int intr);
+	void (*interrupt_disable)(ca_midi_t *midi, int intr);
+
+	unsigned char (*read)(ca_midi_t *midi, int idx);
+	void (*write)(ca_midi_t *midi, int data, int idx);
+
+	/* get info from dev_id */
+	snd_card_t *(*get_dev_id_card)(void *dev_id);
+	int (*get_dev_id_port)(void *dev_id);
+};
+
+void ca_midi_interrupt(ca_midi_t *midi, unsigned int status);
+
+int __devinit ca_midi_init(void *card, ca_midi_t *midi, int device, char *name);
+
+void ca_midi_free(ca_midi_t *midi);
+