1#ifndef __SOUND_MPU401_H
2#define __SOUND_MPU401_H
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25#include "rawmidi.h"
26#include <linux/interrupt.h>
27
28#define MPU401_HW_MPU401 1
29#define MPU401_HW_SB 2
30#define MPU401_HW_ES1688 3
31#define MPU401_HW_OPL3SA2 4
32#define MPU401_HW_SONICVIBES 5
33#define MPU401_HW_CS4232 6
34#define MPU401_HW_ES18XX 7
35#define MPU401_HW_FM801 8
36#define MPU401_HW_TRID4DWAVE 9
37#define MPU401_HW_AZT2320 10
38#define MPU401_HW_ALS100 11
39#define MPU401_HW_ICE1712 12
40#define MPU401_HW_VIA686A 13
41#define MPU401_HW_YMFPCI 14
42#define MPU401_HW_CMIPCI 15
43#define MPU401_HW_ALS4000 16
44#define MPU401_HW_INTEL8X0 17
45#define MPU401_HW_PC98II 18
46#define MPU401_HW_AUREAL 19
47
48#define MPU401_INFO_INPUT (1 << 0)
49#define MPU401_INFO_OUTPUT (1 << 1)
50#define MPU401_INFO_INTEGRATED (1 << 2)
51#define MPU401_INFO_MMIO (1 << 3)
52#define MPU401_INFO_TX_IRQ (1 << 4)
53#define MPU401_INFO_NO_ACK (1 << 6)
54
55#define MPU401_MODE_BIT_INPUT 0
56#define MPU401_MODE_BIT_OUTPUT 1
57#define MPU401_MODE_BIT_INPUT_TRIGGER 2
58#define MPU401_MODE_BIT_OUTPUT_TRIGGER 3
59
60#define MPU401_MODE_INPUT (1<<MPU401_MODE_BIT_INPUT)
61#define MPU401_MODE_OUTPUT (1<<MPU401_MODE_BIT_OUTPUT)
62#define MPU401_MODE_INPUT_TRIGGER (1<<MPU401_MODE_BIT_INPUT_TRIGGER)
63#define MPU401_MODE_OUTPUT_TRIGGER (1<<MPU401_MODE_BIT_OUTPUT_TRIGGER)
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65#define MPU401_MODE_INPUT_TIMER (1<<0)
66#define MPU401_MODE_OUTPUT_TIMER (1<<1)
67
68struct snd_mpu401 {
69 struct snd_rawmidi *rmidi;
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71 unsigned short hardware;
72 unsigned int info_flags;
73 unsigned long port;
74 unsigned long cport;
75 struct resource *res;
76 int irq;
77 int irq_flags;
78
79 unsigned long mode;
80 int timer_invoked;
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82 int (*open_input) (struct snd_mpu401 * mpu);
83 void (*close_input) (struct snd_mpu401 * mpu);
84 int (*open_output) (struct snd_mpu401 * mpu);
85 void (*close_output) (struct snd_mpu401 * mpu);
86 void *private_data;
87
88 struct snd_rawmidi_substream *substream_input;
89 struct snd_rawmidi_substream *substream_output;
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91 spinlock_t input_lock;
92 spinlock_t output_lock;
93 spinlock_t timer_lock;
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95 struct timer_list timer;
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97 void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
98 unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);
99};
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103#define MPU401C(mpu) (mpu)->cport
104#define MPU401D(mpu) (mpu)->port
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110#define MPU401_RX_EMPTY 0x80
111#define MPU401_TX_FULL 0x40
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114#define MPU401_RESET 0xff
115#define MPU401_ENTER_UART 0x3f
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117
118#define MPU401_ACK 0xfe
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125irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id);
126irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id);
127
128int snd_mpu401_uart_new(struct snd_card *card,
129 int device,
130 unsigned short hardware,
131 unsigned long port,
132 unsigned int info_flags,
133 int irq,
134 int irq_flags,
135 struct snd_rawmidi ** rrawmidi);
136
137#endif
138