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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
8a5afd29 JCD |
2 | /* |
3 | * Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de> | |
4 | * Creative Audio MIDI, for the CA0106 Driver | |
5 | * Version: 0.0.1 | |
6 | * | |
7 | * Changelog: | |
8 | * See ca_midi.c | |
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9 | */ |
10 | ||
609bb2ea MP |
11 | #include <linux/spinlock.h> |
12 | #include <sound/rawmidi.h> | |
13 | #include <sound/mpu401.h> | |
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14 | |
15 | #define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT | |
16 | #define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT | |
17 | ||
e4a3d145 | 18 | struct snd_ca_midi { |
8a5afd29 | 19 | |
e4a3d145 TI |
20 | struct snd_rawmidi *rmidi; |
21 | struct snd_rawmidi_substream *substream_input; | |
22 | struct snd_rawmidi_substream *substream_output; | |
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23 | |
24 | void *dev_id; | |
25 | ||
26 | spinlock_t input_lock; | |
27 | spinlock_t output_lock; | |
28 | spinlock_t open_lock; | |
29 | ||
30 | unsigned int channel; | |
31 | ||
32 | unsigned int midi_mode; | |
33 | int port; | |
34 | int tx_enable, rx_enable; | |
35 | int ipr_tx, ipr_rx; | |
36 | ||
37 | int input_avail, output_ready; | |
38 | int ack, reset, enter_uart; | |
39 | ||
e4a3d145 TI |
40 | void (*interrupt)(struct snd_ca_midi *midi, unsigned int status); |
41 | void (*interrupt_enable)(struct snd_ca_midi *midi, int intr); | |
42 | void (*interrupt_disable)(struct snd_ca_midi *midi, int intr); | |
8a5afd29 | 43 | |
e4a3d145 TI |
44 | unsigned char (*read)(struct snd_ca_midi *midi, int idx); |
45 | void (*write)(struct snd_ca_midi *midi, int data, int idx); | |
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46 | |
47 | /* get info from dev_id */ | |
e4a3d145 | 48 | struct snd_card *(*get_dev_id_card)(void *dev_id); |
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49 | int (*get_dev_id_port)(void *dev_id); |
50 | }; | |
51 | ||
e4a3d145 | 52 | int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name); |