1
2 #ifndef __SOUND_MPU401_H
3 #define __SOUND_MPU401_H
4
5
6
7
8
9
10 #include <sound/rawmidi.h>
11 #include <linux/interrupt.h>
12
13 #define MPU401_HW_MPU401 1
14 #define MPU401_HW_SB 2
15 #define MPU401_HW_ES1688 3
16 #define MPU401_HW_OPL3SA2 4
17 #define MPU401_HW_SONICVIBES 5
18 #define MPU401_HW_CS4232 6
19 #define MPU401_HW_ES18XX 7
20 #define MPU401_HW_FM801 8
21 #define MPU401_HW_TRID4DWAVE 9
22 #define MPU401_HW_AZT2320 10
23 #define MPU401_HW_ALS100 11
24 #define MPU401_HW_ICE1712 12
25 #define MPU401_HW_VIA686A 13
26 #define MPU401_HW_YMFPCI 14
27 #define MPU401_HW_CMIPCI 15
28 #define MPU401_HW_ALS4000 16
29 #define MPU401_HW_INTEL8X0 17
30 #define MPU401_HW_PC98II 18
31 #define MPU401_HW_AUREAL 19
32
33 #define MPU401_INFO_INPUT (1 << 0)
34 #define MPU401_INFO_OUTPUT (1 << 1)
35 #define MPU401_INFO_INTEGRATED (1 << 2)
36 #define MPU401_INFO_MMIO (1 << 3)
37 #define MPU401_INFO_TX_IRQ (1 << 4)
38 #define MPU401_INFO_IRQ_HOOK (1 << 5)
39
40 #define MPU401_INFO_NO_ACK (1 << 6)
41 #define MPU401_INFO_USE_TIMER (1 << 15)
42
43 #define MPU401_MODE_BIT_INPUT 0
44 #define MPU401_MODE_BIT_OUTPUT 1
45 #define MPU401_MODE_BIT_INPUT_TRIGGER 2
46 #define MPU401_MODE_BIT_OUTPUT_TRIGGER 3
47
48 #define MPU401_MODE_INPUT (1<<MPU401_MODE_BIT_INPUT)
49 #define MPU401_MODE_OUTPUT (1<<MPU401_MODE_BIT_OUTPUT)
50 #define MPU401_MODE_INPUT_TRIGGER (1<<MPU401_MODE_BIT_INPUT_TRIGGER)
51 #define MPU401_MODE_OUTPUT_TRIGGER (1<<MPU401_MODE_BIT_OUTPUT_TRIGGER)
52
53 #define MPU401_MODE_INPUT_TIMER (1<<0)
54 #define MPU401_MODE_OUTPUT_TIMER (1<<1)
55
56 struct snd_mpu401 {
57 struct snd_rawmidi *rmidi;
58
59 unsigned short hardware;
60 unsigned int info_flags;
61 unsigned long port;
62 unsigned long cport;
63 struct resource *res;
64 int irq;
65
66 unsigned long mode;
67 int timer_invoked;
68
69 int (*open_input) (struct snd_mpu401 * mpu);
70 void (*close_input) (struct snd_mpu401 * mpu);
71 int (*open_output) (struct snd_mpu401 * mpu);
72 void (*close_output) (struct snd_mpu401 * mpu);
73 void *private_data;
74
75 struct snd_rawmidi_substream *substream_input;
76 struct snd_rawmidi_substream *substream_output;
77
78 spinlock_t input_lock;
79 spinlock_t output_lock;
80 spinlock_t timer_lock;
81
82 struct timer_list timer;
83
84 void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
85 unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);
86 };
87
88
89
90 #define MPU401C(mpu) (mpu)->cport
91 #define MPU401D(mpu) (mpu)->port
92
93
94
95
96
97 #define MPU401_RX_EMPTY 0x80
98 #define MPU401_TX_FULL 0x40
99
100
101 #define MPU401_RESET 0xff
102 #define MPU401_ENTER_UART 0x3f
103
104
105 #define MPU401_ACK 0xfe
106
107
108
109
110
111
112 irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id);
113 irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id);
114
115 int snd_mpu401_uart_new(struct snd_card *card,
116 int device,
117 unsigned short hardware,
118 unsigned long port,
119 unsigned int info_flags,
120 int irq,
121 struct snd_rawmidi ** rrawmidi);
122
123 #endif