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Diffstat (limited to 'include/sound/mpu401.h')
| -rw-r--r-- | include/sound/mpu401.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/sound/mpu401.h b/include/sound/mpu401.h new file mode 100644 index 000000000000..ae39e38bf996 --- /dev/null +++ b/include/sound/mpu401.h @@ -0,0 +1,115 @@ +#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 */ |