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Index of /FSS-OZR/root/lib/modules/5.14.0-687.31.1.el9_8.x86_64/build/include/linux/firmware/cirrus
Index of /FSS-OZR/root/lib/modules/5.14.0-687.31.1.el9_8.x86_64/build/include/linux/firmware/cirrus
h 0627
* l4(
( fB-
y\_I|+ /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Universal MIDI Packet (UMP) Support
*/
#ifndef __SOUND_UMP_H
#define __SOUND_UMP_H
#include
struct snd_ump_endpoint;
struct snd_ump_block;
struct snd_ump_ops;
struct ump_cvt_to_ump;
struct snd_seq_ump_ops;
struct snd_ump_group {
int group; /* group index (0-based) */
unsigned int dir_bits; /* directions */
bool active; /* activeness */
bool valid; /* valid group (referred by blocks) */
bool is_midi1; /* belongs to a MIDI1 FB */
char name[64]; /* group name */
};
struct snd_ump_endpoint {
struct snd_rawmidi core; /* raw UMP access */
struct snd_ump_endpoint_info info;
const struct snd_ump_ops *ops; /* UMP ops set by the driver */
struct snd_rawmidi_substream *substreams[2]; /* opened substreams */
void *private_data;
void (*private_free)(struct snd_ump_endpoint *ump);
/* UMP Stream message processing */
u32 stream_wait_for; /* expected stream message status */
bool stream_finished; /* set when message has been processed */
bool parsed; /* UMP / FB parse finished? */
bool no_process_stream; /* suppress UMP stream messages handling */
wait_queue_head_t stream_wait;
struct snd_rawmidi_file stream_rfile;
struct list_head block_list; /* list of snd_ump_block objects */
/* intermediate buffer for UMP input */
u32 input_buf[4];
int input_buf_head;
int input_pending;
struct mutex open_mutex;
struct snd_ump_group groups[SNDRV_UMP_MAX_GROUPS]; /* table of groups */
#if IS_ENABLED(CONFIG_SND_UMP_LEGACY_RAWMIDI)
spinlock_t legacy_locks[2];
struct snd_rawmidi *legacy_rmidi;
struct snd_rawmidi_substream *legacy_substreams[2][SNDRV_UMP_MAX_GROUPS];
unsigned char legacy_mapping[SNDRV_UMP_MAX_GROUPS];
/* for legacy output; need to open the actual substream unlike input */
int legacy_out_opens;
struct snd_rawmidi_file legacy_out_rfile;
struct ump_cvt_to_ump *out_cvts;
#endif
#if IS_ENABLED(CONFIG_SND_SEQUENCER)
struct snd_seq_device *seq_dev;
const struct snd_seq_ump_ops *seq_ops;
void *seq_client;
#endif
};
/* ops filled by UMP drivers */
struct snd_ump_ops {
int (*open)(struct snd_ump_endpoint *ump, int dir);
void (*close)(struct snd_ump_endpoint *ump, int dir);
void (*trigger)(struct snd_ump_endpoint *ump, int dir, int up);
void (*drain)(struct snd_ump_endpoint *ump, int dir);
};
/* ops filled by sequencer binding */
struct snd_seq_ump_ops {
void (*input_receive)(struct snd_ump_endpoint *ump,
const u32 *data, int words);
int (*notify_ep_change)(struct snd_ump_endpoint *ump);
int (*notify_fb_change)(struct snd_ump_endpoint *ump,
struct snd_ump_block *fb);
int (*switch_protocol)(struct snd_ump_endpoint *ump);
};
struct snd_um