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1da177e4 LT |
1 | #ifndef __SOUND_MPU401_H |
2 | #define __SOUND_MPU401_H | |
3 | ||
4 | /* | |
5 | * Header file for MPU-401 and compatible cards | |
c1017a4c | 6 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
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 | ||
302e4c2f TI |
48 | #define MPU401_INFO_INPUT (1 << 0) /* input stream */ |
49 | #define MPU401_INFO_OUTPUT (1 << 1) /* output stream */ | |
50 | #define MPU401_INFO_INTEGRATED (1 << 2) /* integrated h/w port */ | |
51 | #define MPU401_INFO_MMIO (1 << 3) /* MMIO access */ | |
52 | #define MPU401_INFO_TX_IRQ (1 << 4) /* independent TX irq */ | |
df7e3fdf | 53 | #define MPU401_INFO_NO_ACK (1 << 6) /* No ACK cmd needed */ |
302e4c2f | 54 | |
1da177e4 LT |
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) | |
64 | ||
65 | #define MPU401_MODE_INPUT_TIMER (1<<0) | |
66 | #define MPU401_MODE_OUTPUT_TIMER (1<<1) | |
67 | ||
e1fad17b TI |
68 | struct snd_mpu401 { |
69 | struct snd_rawmidi *rmidi; | |
1da177e4 LT |
70 | |
71 | unsigned short hardware; /* MPU401_HW_XXXX */ | |
302e4c2f | 72 | unsigned int info_flags; /* MPU401_INFO_XXX */ |
1da177e4 LT |
73 | unsigned long port; /* base port of MPU-401 chip */ |
74 | unsigned long cport; /* port + 1 (usually) */ | |
75 | struct resource *res; /* port resource */ | |
76 | int irq; /* IRQ number of MPU-401 chip (-1 = poll) */ | |
77 | int irq_flags; | |
78 | ||
79 | unsigned long mode; /* MPU401_MODE_XXXX */ | |
80 | int timer_invoked; | |
81 | ||
e1fad17b TI |
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); | |
1da177e4 LT |
86 | void *private_data; |
87 | ||
e1fad17b TI |
88 | struct snd_rawmidi_substream *substream_input; |
89 | struct snd_rawmidi_substream *substream_output; | |
1da177e4 LT |
90 | |
91 | spinlock_t input_lock; | |
92 | spinlock_t output_lock; | |
93 | spinlock_t timer_lock; | |
94 | ||
95 | struct timer_list timer; | |
96 | ||
e1fad17b TI |
97 | void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr); |
98 | unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr); | |
1da177e4 LT |
99 | }; |
100 | ||
101 | /* I/O ports */ | |
102 | ||
103 | #define MPU401C(mpu) (mpu)->cport | |
104 | #define MPU401D(mpu) (mpu)->port | |
105 | ||
b415ed45 TI |
106 | /* |
107 | * control register bits | |
108 | */ | |
109 | /* read MPU401C() */ | |
110 | #define MPU401_RX_EMPTY 0x80 | |
111 | #define MPU401_TX_FULL 0x40 | |
112 | ||
113 | /* write MPU401C() */ | |
114 | #define MPU401_RESET 0xff | |
115 | #define MPU401_ENTER_UART 0x3f | |
116 | ||
117 | /* read MPU401D() */ | |
118 | #define MPU401_ACK 0xfe | |
119 | ||
120 | ||
1da177e4 LT |
121 | /* |
122 | ||
123 | */ | |
124 | ||
7d12e780 DH |
125 | irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id); |
126 | irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id); | |
1da177e4 | 127 | |
e1fad17b | 128 | int snd_mpu401_uart_new(struct snd_card *card, |
1da177e4 LT |
129 | int device, |
130 | unsigned short hardware, | |
131 | unsigned long port, | |
302e4c2f | 132 | unsigned int info_flags, |
1da177e4 LT |
133 | int irq, |
134 | int irq_flags, | |
e1fad17b | 135 | struct snd_rawmidi ** rrawmidi); |
1da177e4 LT |
136 | |
137 | #endif /* __SOUND_MPU401_H */ |