0   535 # SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O potentiometer drivers # # When adding new entries keep the list in alphabetical order obj-$(CONFIG_AD5110) += ad5110.o obj-$(CONFIG_AD5272) += ad5272.o obj-$(CONFIG_DS1803) += ds1803.o obj-$(CONFIG_MAX5432) += max5432.o obj-$(CONFIG_MAX5481) += max5481.o obj-$(CONFIG_MAX5487) += max5487.o obj-$(CONFIG_MCP4018) += mcp4018.o obj-$(CONFIG_MCP4131) += mcp4131.o obj-$(CONFIG_MCP4531) += mcp4531.o obj-$(CONFIG_MCP41010) += mcp41010.o obj-$(CONFIG_TPL0102) += tpl0102.o _I|Mjq؂File not found.  y\ /* 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_ump_block { struct snd_ump_block_info info; struct snd_ump_endpoint *ump; void *private_data; void (*private_free)(struct snd_ump_block *blk); struct list_head list; }; #define rawmidi_to_ump(rmidi) container_of(rmidi, struct snd_ump_endpoint, core) int snd_ump_endpoint_new(struct snd_card *card, char *id, int device, int output, int input, struct snd_ump_endpoint **ump_ret); int snd_ump_parse_endpoint(struct snd_ump_endpoint *ump); int snd_ump_block_new(struct snd_ump_endpoint *ump, unsigned int blk, unsigned int direction, unsigned int first_group, unsigned int num_groups, struct snd_ump_block **blk_ret); int snd_ump_receive(struct snd_ump_endpoint *ump, const u32 *buffer, int count); in