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Linux kernel mirror (for testing)
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linux
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
61struct snd_mpu401 {
62 struct snd_rawmidi *rmidi;
63
64 unsigned short hardware; /* MPU401_HW_XXXX */
65 unsigned long port; /* base port of MPU-401 chip */
66 unsigned long cport; /* port + 1 (usually) */
67 struct resource *res; /* port resource */
68 int irq; /* IRQ number of MPU-401 chip (-1 = poll) */
69 int irq_flags;
70
71 unsigned long mode; /* MPU401_MODE_XXXX */
72 int timer_invoked;
73
74 int (*open_input) (struct snd_mpu401 * mpu);
75 void (*close_input) (struct snd_mpu401 * mpu);
76 int (*open_output) (struct snd_mpu401 * mpu);
77 void (*close_output) (struct snd_mpu401 * mpu);
78 void *private_data;
79
80 struct snd_rawmidi_substream *substream_input;
81 struct snd_rawmidi_substream *substream_output;
82
83 spinlock_t input_lock;
84 spinlock_t output_lock;
85 spinlock_t timer_lock;
86
87 struct timer_list timer;
88
89 void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
90 unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);
91};
92
93/* I/O ports */
94
95#define MPU401C(mpu) (mpu)->cport
96#define MPU401D(mpu) (mpu)->port
97
98/*
99
100 */
101
102irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs);
103
104int snd_mpu401_uart_new(struct snd_card *card,
105 int device,
106 unsigned short hardware,
107 unsigned long port,
108 int integrated,
109 int irq,
110 int irq_flags,
111 struct snd_rawmidi ** rrawmidi);
112
113#endif /* __SOUND_MPU401_H */