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1 | #ifndef __SOUND_MPU401_H |
2 | #define __SOUND_MPU401_H | |
3 | ||
4 | /* | |
5 | * Header file for MPU-401 and compatible cards | |
6 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
7 | * | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include "rawmidi.h" | |
26 | #include <linux/interrupt.h> | |
27 | ||
28 | #define MPU401_HW_MPU401 1 /* native MPU401 */ | |
29 | #define MPU401_HW_SB 2 /* SoundBlaster MPU-401 UART */ | |
30 | #define MPU401_HW_ES1688 3 /* AudioDrive ES1688 MPU-401 UART */ | |
31 | #define MPU401_HW_OPL3SA2 4 /* Yamaha OPL3-SA2 */ | |
32 | #define MPU401_HW_SONICVIBES 5 /* S3 SonicVibes */ | |
33 | #define MPU401_HW_CS4232 6 /* CS4232 */ | |
34 | #define MPU401_HW_ES18XX 7 /* AudioDrive ES18XX MPU-401 UART */ | |
35 | #define MPU401_HW_FM801 8 /* ForteMedia FM801 */ | |
36 | #define MPU401_HW_TRID4DWAVE 9 /* Trident 4DWave */ | |
37 | #define MPU401_HW_AZT2320 10 /* Aztech AZT2320 */ | |
38 | #define MPU401_HW_ALS100 11 /* Avance Logic ALS100 */ | |
39 | #define MPU401_HW_ICE1712 12 /* Envy24 */ | |
40 | #define MPU401_HW_VIA686A 13 /* VIA 82C686A */ | |
41 | #define MPU401_HW_YMFPCI 14 /* YMF DS-XG PCI */ | |
42 | #define MPU401_HW_CMIPCI 15 /* CMIPCI MPU-401 UART */ | |
43 | #define MPU401_HW_ALS4000 16 /* Avance Logic ALS4000 */ | |
44 | #define MPU401_HW_INTEL8X0 17 /* Intel8x0 driver */ | |
45 | #define MPU401_HW_PC98II 18 /* Roland PC98II */ | |
46 | #define MPU401_HW_AUREAL 19 /* Aureal Vortex */ | |
47 | ||
48 | #define MPU401_MODE_BIT_INPUT 0 | |
49 | #define MPU401_MODE_BIT_OUTPUT 1 | |
50 | #define MPU401_MODE_BIT_INPUT_TRIGGER 2 | |
51 | #define MPU401_MODE_BIT_OUTPUT_TRIGGER 3 | |
52 | ||
53 | #define MPU401_MODE_INPUT (1<<MPU401_MODE_BIT_INPUT) | |
54 | #define MPU401_MODE_OUTPUT (1<<MPU401_MODE_BIT_OUTPUT) | |
55 | #define MPU401_MODE_INPUT_TRIGGER (1<<MPU401_MODE_BIT_INPUT_TRIGGER) | |
56 | #define MPU401_MODE_OUTPUT_TRIGGER (1<<MPU401_MODE_BIT_OUTPUT_TRIGGER) | |
57 | ||
58 | #define MPU401_MODE_INPUT_TIMER (1<<0) | |
59 | #define MPU401_MODE_OUTPUT_TIMER (1<<1) | |
60 | ||
61 | typedef struct _snd_mpu401 mpu401_t; | |
62 | ||
63 | struct _snd_mpu401 { | |
64 | snd_rawmidi_t *rmidi; | |
65 | ||
66 | unsigned short hardware; /* MPU401_HW_XXXX */ | |
67 | unsigned long port; /* base port of MPU-401 chip */ | |
68 | unsigned long cport; /* port + 1 (usually) */ | |
69 | struct resource *res; /* port resource */ | |
70 | int irq; /* IRQ number of MPU-401 chip (-1 = poll) */ | |
71 | int irq_flags; | |
72 | ||
73 | unsigned long mode; /* MPU401_MODE_XXXX */ | |
74 | int timer_invoked; | |
75 | ||
76 | int (*open_input) (mpu401_t * mpu); | |
77 | void (*close_input) (mpu401_t * mpu); | |
78 | int (*open_output) (mpu401_t * mpu); | |
79 | void (*close_output) (mpu401_t * mpu); | |
80 | void *private_data; | |
81 | ||
82 | snd_rawmidi_substream_t *substream_input; | |
83 | snd_rawmidi_substream_t *substream_output; | |
84 | ||
85 | spinlock_t input_lock; | |
86 | spinlock_t output_lock; | |
87 | spinlock_t timer_lock; | |
88 | ||
89 | struct timer_list timer; | |
90 | ||
91 | void (*write) (mpu401_t * mpu, unsigned char data, unsigned long addr); | |
92 | unsigned char (*read) (mpu401_t * mpu, unsigned long addr); | |
93 | }; | |
94 | ||
95 | /* I/O ports */ | |
96 | ||
97 | #define MPU401C(mpu) (mpu)->cport | |
98 | #define MPU401D(mpu) (mpu)->port | |
99 | ||
100 | /* | |
101 | ||
102 | */ | |
103 | ||
104 | irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs); | |
105 | ||
106 | int snd_mpu401_uart_new(snd_card_t * card, | |
107 | int device, | |
108 | unsigned short hardware, | |
109 | unsigned long port, | |
110 | int integrated, | |
111 | int irq, | |
112 | int irq_flags, | |
113 | snd_rawmidi_t ** rrawmidi); | |
114 | ||
115 | #endif /* __SOUND_MPU401_H */ |