1 files changed, 52 insertions, 0 deletions
diff --git a/sound/pci/ca0106/ca_midi.h b/sound/pci/ca0106/ca_midi.h
new file mode 100644
index 0000000000..1d0476c8af
--- /dev/null
+++ b/sound/pci/ca0106/ca_midi.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* 
+ *  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
+ */
+
+#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
+
+struct snd_ca_midi {
+
+	struct snd_rawmidi *rmidi;
+	struct snd_rawmidi_substream *substream_input;
+	struct snd_rawmidi_substream *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)(struct snd_ca_midi *midi, unsigned int status);
+	void (*interrupt_enable)(struct snd_ca_midi *midi, int intr);
+	void (*interrupt_disable)(struct snd_ca_midi *midi, int intr);
+
+	unsigned char (*read)(struct snd_ca_midi *midi, int idx);
+	void (*write)(struct snd_ca_midi *midi, int data, int idx);
+
+	/* get info from dev_id */
+	struct snd_card *(*get_dev_id_card)(void *dev_id);
+	int (*get_dev_id_port)(void *dev_id);
+};
+
+int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);