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-rw-r--r--include/sound/mpu401.h115
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diff --git a/include/sound/mpu401.h b/include/sound/mpu401.h
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+#ifndef __SOUND_MPU401_H
+#define __SOUND_MPU401_H
+
+/*
+ * Header file for MPU-401 and compatible cards
+ * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ * 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 "rawmidi.h"
+#include <linux/interrupt.h>
+
+#define MPU401_HW_MPU401 1 /* native MPU401 */
+#define MPU401_HW_SB 2 /* SoundBlaster MPU-401 UART */
+#define MPU401_HW_ES1688 3 /* AudioDrive ES1688 MPU-401 UART */
+#define MPU401_HW_OPL3SA2 4 /* Yamaha OPL3-SA2 */
+#define MPU401_HW_SONICVIBES 5 /* S3 SonicVibes */
+#define MPU401_HW_CS4232 6 /* CS4232 */
+#define MPU401_HW_ES18XX 7 /* AudioDrive ES18XX MPU-401 UART */
+#define MPU401_HW_FM801 8 /* ForteMedia FM801 */
+#define MPU401_HW_TRID4DWAVE 9 /* Trident 4DWave */
+#define MPU401_HW_AZT2320 10 /* Aztech AZT2320 */
+#define MPU401_HW_ALS100 11 /* Avance Logic ALS100 */
+#define MPU401_HW_ICE1712 12 /* Envy24 */
+#define MPU401_HW_VIA686A 13 /* VIA 82C686A */
+#define MPU401_HW_YMFPCI 14 /* YMF DS-XG PCI */
+#define MPU401_HW_CMIPCI 15 /* CMIPCI MPU-401 UART */
+#define MPU401_HW_ALS4000 16 /* Avance Logic ALS4000 */
+#define MPU401_HW_INTEL8X0 17 /* Intel8x0 driver */
+#define MPU401_HW_PC98II 18 /* Roland PC98II */
+#define MPU401_HW_AUREAL 19 /* Aureal Vortex */
+
+#define MPU401_MODE_BIT_INPUT 0
+#define MPU401_MODE_BIT_OUTPUT 1
+#define MPU401_MODE_BIT_INPUT_TRIGGER 2
+#define MPU401_MODE_BIT_OUTPUT_TRIGGER 3
+
+#define MPU401_MODE_INPUT (1<<MPU401_MODE_BIT_INPUT)
+#define MPU401_MODE_OUTPUT (1<<MPU401_MODE_BIT_OUTPUT)
+#define MPU401_MODE_INPUT_TRIGGER (1<<MPU401_MODE_BIT_INPUT_TRIGGER)
+#define MPU401_MODE_OUTPUT_TRIGGER (1<<MPU401_MODE_BIT_OUTPUT_TRIGGER)
+
+#define MPU401_MODE_INPUT_TIMER (1<<0)
+#define MPU401_MODE_OUTPUT_TIMER (1<<1)
+
+typedef struct _snd_mpu401 mpu401_t;
+
+struct _snd_mpu401 {
+ snd_rawmidi_t *rmidi;
+
+ unsigned short hardware; /* MPU401_HW_XXXX */
+ unsigned long port; /* base port of MPU-401 chip */
+ unsigned long cport; /* port + 1 (usually) */
+ struct resource *res; /* port resource */
+ int irq; /* IRQ number of MPU-401 chip (-1 = poll) */
+ int irq_flags;
+
+ unsigned long mode; /* MPU401_MODE_XXXX */
+ int timer_invoked;
+
+ int (*open_input) (mpu401_t * mpu);
+ void (*close_input) (mpu401_t * mpu);
+ int (*open_output) (mpu401_t * mpu);
+ void (*close_output) (mpu401_t * mpu);
+ void *private_data;
+
+ snd_rawmidi_substream_t *substream_input;
+ snd_rawmidi_substream_t *substream_output;
+
+ spinlock_t input_lock;
+ spinlock_t output_lock;
+ spinlock_t timer_lock;
+
+ struct timer_list timer;
+
+ void (*write) (mpu401_t * mpu, unsigned char data, unsigned long addr);
+ unsigned char (*read) (mpu401_t * mpu, unsigned long addr);
+};
+
+/* I/O ports */
+
+#define MPU401C(mpu) (mpu)->cport
+#define MPU401D(mpu) (mpu)->port
+
+/*
+
+ */
+
+irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+
+int snd_mpu401_uart_new(snd_card_t * card,
+ int device,
+ unsigned short hardware,
+ unsigned long port,
+ int integrated,
+ int irq,
+ int irq_flags,
+ snd_rawmidi_t ** rrawmidi);
+
+#endif /* __SOUND_MPU401_H */