cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ca_midi.h (1332B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      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
      9 */
     10
     11#include <linux/spinlock.h>
     12#include <sound/rawmidi.h>
     13#include <sound/mpu401.h>
     14
     15#define CA_MIDI_MODE_INPUT	MPU401_MODE_INPUT
     16#define CA_MIDI_MODE_OUTPUT	MPU401_MODE_OUTPUT
     17
     18struct snd_ca_midi {
     19
     20	struct snd_rawmidi *rmidi;
     21	struct snd_rawmidi_substream *substream_input;
     22	struct snd_rawmidi_substream *substream_output;
     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
     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);
     43
     44	unsigned char (*read)(struct snd_ca_midi *midi, int idx);
     45	void (*write)(struct snd_ca_midi *midi, int data, int idx);
     46
     47	/* get info from dev_id */
     48	struct snd_card *(*get_dev_id_card)(void *dev_id);
     49	int (*get_dev_id_port)(void *dev_id);
     50};
     51
     52int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);