#ifndef __SOUND_RAWMIDI_H #define __SOUND_RAWMIDI_H /* * Abstract layer for MIDI v1.0 stream * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <sound/asound.h> #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/mutex.h> #include <linux/workqueue.h> #include <linux/device.h> #if IS_ENABLED(CONFIG_SND_SEQUENCER) #include <sound/seq_device.h> #endif /* * Raw MIDI interface */ #define SNDRV_RAWMIDI_DEVICES 8 #define SNDRV_RAWMIDI_LFLG_OUTPUT (1<<0) #define SNDRV_RAWMIDI_LFLG_INPUT (1<<1) #define SNDRV_RAWMIDI_LFLG_OPEN (3<<0) #define SNDRV_RAWMIDI_LFLG_APPEND (1<<2) struct snd_rawmidi; struct snd_rawmidi_substream; struct snd_seq_port_info; struct pid; struct snd_rawmidi_ops { int (*open) (struct snd_rawmidi_substream * substream); int (*close) (struct snd_rawmidi_substream * substream); void (*trigger) (struct snd_rawmidi_substream * substream, int up); void (*drain) (struct snd_rawmidi_substream * substream); }; struct snd_rawmidi_global_ops { int (*dev_register) (struct snd_rawmidi * rmidi); int (*dev_unregister) (struct snd_rawmidi * rmidi); void (*get_port_info)(struct snd_rawmidi *rmidi, int number, struct snd_seq_port_info *info); }; struct snd_rawmidi_runtime { struct snd_rawmidi_substream *substream; unsigned int drain: 1, /* drain stage */ oss: 1; /* OSS compatible mode */ /* midi stream buffer */ unsigned char *buffer; /* buffer for MIDI data */ size_t buffer_size; /* size of buffer */ size_t appl_ptr; /* application pointer */ size_t hw_ptr; /* hardware pointer */ size_t avail_min; /* min avail for wakeup */ size_t avail; /* max used buffer for wakeup */ size_t xruns; /* over/underruns counter */ int buffer_ref; /* buffer reference count */ /* misc */ spinlock_t lock; wait_queue_head_t sleep; /* event handler (new bytes, input only) */ void (*event)(struct snd_rawmidi_substream *substream); /* defers calls to event [input] or ops->trigger [output] */ struct work_struct event_work; /* private data */ void *private_data; void (*private_free)(struct snd_rawmidi_substream *substream); }; struct snd_rawmidi_substream { struct list_head list; /* list of all substream for given stream */ int stream; /* direction */ int number; /* substream number */ bool opened; /* open flag */ bool append; /* append flag (merge more streams) */ bool active_sensing; /* send active sensing when close */ int use_count; /* use counter (for output) */ size_t bytes; struct snd_rawmidi *rmidi; struct snd_rawmidi_str *pstr; char name[32]; struct snd_rawmidi_runtime *runtime; struct pid *pid; /* hardware layer */ const struct snd_rawmidi_ops *ops; }; struct snd_rawmidi_file { struct snd_rawmidi *rmidi; struct snd_rawmidi_substream *input; struct snd_rawmidi_substream *output; }; struct snd_rawmidi_str { unsigned int substream_count; unsigned int substream_opened; struct list_head substreams; }; struct snd_rawmidi { struct snd_card *card; struct list_head list; unsigned int device; /* device number */ unsigned int info_flags; /* SNDRV_RAWMIDI_INFO_XXXX */ char id[64]; char name[80]; #ifdef CONFIG_SND_OSSEMUL int ossreg; #endif const struct snd_rawmidi_global_ops *ops; struct snd_rawmidi_str streams[2]; void *private_data; void (*private_free) (struct snd_rawmidi *rmidi); struct mutex open_mutex; wait_queue_head_t open_wait; struct device dev; struct snd_info_entry *proc_entry; #if IS_ENABLED(CONFIG_SND_SEQUENCER) struct snd_seq_device *seq_dev; #endif }; /* main rawmidi functions */ int snd_rawmidi_new(struct snd_card *card, char *id, int device, int output_count, int input_count, struct snd_rawmidi **rmidi); void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream, const struct snd_rawmidi_ops *ops); /* callbacks */ int snd_rawmidi_receive(struct snd_rawmidi_substream *substream, const unsigned char *buffer, int count); int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream); int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count); int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count); int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count); int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count); int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count); /* main midi functions */ int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info); int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice, int mode, struct snd_rawmidi_file *rfile); int snd_rawmidi_kernel_release(struct snd_rawmidi_file *rfile); int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream, struct snd_rawmidi_params *params); int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream, struct snd_rawmidi_params *params); int snd_rawmidi_drop_output(struct snd_rawmidi_substream *substream); int snd_rawmidi_drain_output(struct snd_rawmidi_substream *substream); int snd_rawmidi_drain_input(struct snd_rawmidi_substream *substream); long snd_rawmidi_kernel_read(struct snd_rawmidi_substream *substream, unsigned char *buf, long count); long snd_rawmidi_kernel_write(struct snd_rawmidi_substream *substream, const unsigned char *buf, long count); #endif /* __SOUND_RAWMIDI_H */
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ac97 | Folder | 0755 |
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ac97_codec.h | File | 16.34 KB | 0644 |
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aci.h | File | 2.4 KB | 0644 |
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ad1816a.h | File | 5.38 KB | 0644 |
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ad1843.h | File | 1.48 KB | 0644 |
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adau1373.h | File | 699 B | 0644 |
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aess.h | File | 1.63 KB | 0644 |
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ak4113.h | File | 10.89 KB | 0644 |
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ak4114.h | File | 10.22 KB | 0644 |
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ak4117.h | File | 9.02 KB | 0644 |
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ak4531_codec.h | File | 3.1 KB | 0644 |
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ak4641.h | File | 622 B | 0644 |
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ak4xxx-adda.h | File | 3.34 KB | 0644 |
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alc5623.h | File | 536 B | 0644 |
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asequencer.h | File | 3.58 KB | 0644 |
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asound.h | File | 1.25 KB | 0644 |
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asoundef.h | File | 16.7 KB | 0644 |
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compress_driver.h | File | 6.93 KB | 0644 |
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control.h | File | 8.84 KB | 0644 |
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core.h | File | 13.84 KB | 0644 |
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cs35l33.h | File | 1.01 KB | 0644 |
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cs35l34.h | File | 887 B | 0644 |
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cs35l35.h | File | 2.36 KB | 0644 |
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cs4231-regs.h | File | 8.28 KB | 0644 |
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cs4271.h | File | 1.38 KB | 0644 |
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cs42l52.h | File | 738 B | 0644 |
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cs42l56.h | File | 1.16 KB | 0644 |
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cs42l73.h | File | 507 B | 0644 |
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cs8403.h | File | 8.63 KB | 0644 |
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cs8427.h | File | 10.4 KB | 0644 |
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da7213.h | File | 1.15 KB | 0644 |
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da7218.h | File | 2.62 KB | 0644 |
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da7219-aad.h | File | 2.42 KB | 0644 |
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da7219.h | File | 1.04 KB | 0644 |
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da9055.h | File | 914 B | 0644 |
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designware_i2s.h | File | 2.25 KB | 0644 |
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dmaengine_pcm.h | File | 6.22 KB | 0644 |
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emu10k1.h | File | 89.25 KB | 0644 |
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emu10k1_synth.h | File | 1.35 KB | 0644 |
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emu8000.h | File | 4.01 KB | 0644 |
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emu8000_reg.h | File | 10.21 KB | 0644 |
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emux_legacy.h | File | 5.37 KB | 0644 |
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emux_synth.h | File | 7.46 KB | 0644 |
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es1688.h | File | 3.53 KB | 0644 |
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gus.h | File | 20.21 KB | 0644 |
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hda_chmap.h | File | 2.6 KB | 0644 |
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hda_hwdep.h | File | 1.38 KB | 0644 |
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hda_i915.h | File | 1.64 KB | 0644 |
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hda_register.h | File | 10 KB | 0644 |
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hda_regmap.h | File | 6.59 KB | 0644 |
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hda_verbs.h | File | 16.81 KB | 0644 |
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hdaudio.h | File | 18.39 KB | 0644 |
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hdaudio_ext.h | File | 6.99 KB | 0644 |
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hdmi-codec.h | File | 2.42 KB | 0644 |
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hwdep.h | File | 2.56 KB | 0644 |
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i2c.h | File | 3.47 KB | 0644 |
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info.h | File | 7.41 KB | 0644 |
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initval.h | File | 3.08 KB | 0644 |
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jack.h | File | 3.75 KB | 0644 |
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l3.h | File | 524 B | 0644 |
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max9768.h | File | 729 B | 0644 |
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max98088.h | File | 1.26 KB | 0644 |
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max98090.h | File | 754 B | 0644 |
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max98095.h | File | 1.54 KB | 0644 |
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memalloc.h | File | 4.41 KB | 0644 |
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minors.h | File | 4.33 KB | 0644 |
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mixer_oss.h | File | 2.41 KB | 0644 |
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mpu401.h | File | 4.49 KB | 0644 |
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omap-hdmi-audio.h | File | 1.34 KB | 0644 |
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omap-pcm.h | File | 864 B | 0644 |
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opl3.h | File | 12.31 KB | 0644 |
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opl4.h | File | 1.1 KB | 0644 |
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pcm-indirect.h | File | 5.7 KB | 0644 |
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pcm.h | File | 47.51 KB | 0644 |
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pcm_drm_eld.h | File | 183 B | 0644 |
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pcm_iec958.h | File | 332 B | 0644 |
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pcm_oss.h | File | 2.69 KB | 0644 |
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pcm_params.h | File | 9.03 KB | 0644 |
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pt2258.h | File | 1.18 KB | 0644 |
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pxa2xx-lib.h | File | 1.48 KB | 0644 |
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rawmidi.h | File | 6.17 KB | 0644 |
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rt286.h | File | 460 B | 0644 |
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rt298.h | File | 519 B | 0644 |
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rt5514.h | File | 478 B | 0644 |
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rt5640.h | File | 648 B | 0644 |
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rt5645.h | File | 738 B | 0644 |
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rt5651.h | File | 581 B | 0644 |
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rt5659.h | File | 1003 B | 0644 |
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rt5660.h | File | 724 B | 0644 |
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rt5663.h | File | 622 B | 0644 |
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rt5665.h | File | 907 B | 0644 |
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rt5670.h | File | 679 B | 0644 |
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s3c24xx_uda134x.h | File | 229 B | 0644 |
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sb.h | File | 10.98 KB | 0644 |
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sb16_csp.h | File | 2.71 KB | 0644 |
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seq_device.h | File | 2.79 KB | 0644 |
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seq_kernel.h | File | 3.96 KB | 0644 |
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seq_midi_emul.h | File | 7.26 KB | 0644 |
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seq_midi_event.h | File | 2.17 KB | 0644 |
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seq_oss.h | File | 2.86 KB | 0644 |
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seq_oss_legacy.h | File | 1 KB | 0644 |
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seq_virmidi.h | File | 2.73 KB | 0644 |
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sh_dac_audio.h | File | 587 B | 0644 |
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sh_fsi.h | File | 847 B | 0644 |
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simple_card.h | File | 683 B | 0644 |
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simple_card_utils.h | File | 3.96 KB | 0644 |
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snd_wavefront.h | File | 5.57 KB | 0644 |
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soc-acpi-intel-match.h | File | 1.1 KB | 0644 |
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soc-acpi.h | File | 3.6 KB | 0644 |
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soc-dai.h | File | 11.13 KB | 0644 |
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soc-dapm.h | File | 30.87 KB | 0644 |
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soc-dpcm.h | File | 4.73 KB | 0644 |
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soc-topology.h | File | 5.71 KB | 0644 |
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soc.h | File | 63.47 KB | 0644 |
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soundfont.h | File | 4.48 KB | 0644 |
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spear_dma.h | File | 1003 B | 0644 |
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spear_spdif.h | File | 1010 B | 0644 |
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sta32x.h | File | 1.2 KB | 0644 |
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sta350.h | File | 1.65 KB | 0644 |
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tas2552-plat.h | File | 678 B | 0644 |
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tas5086.h | File | 210 B | 0644 |
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tea6330t.h | File | 1.14 KB | 0644 |
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timer.h | File | 5.56 KB | 0644 |
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tlv.h | File | 2.27 KB | 0644 |
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tlv320aic32x4.h | File | 1.43 KB | 0644 |
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tlv320aic3x.h | File | 1.88 KB | 0644 |
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tlv320dac33-plat.h | File | 720 B | 0644 |
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tpa6130a2-plat.h | File | 900 B | 0644 |
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uda134x.h | File | 597 B | 0644 |
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uda1380.h | File | 481 B | 0644 |
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util_mem.h | File | 2.26 KB | 0644 |
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vx_core.h | File | 15.34 KB | 0644 |
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wavefront.h | File | 18.76 KB | 0644 |
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wm0010.h | File | 679 B | 0644 |
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wm1250-ev1.h | File | 656 B | 0644 |
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wm2000.h | File | 625 B | 0644 |
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wm2200.h | File | 1.46 KB | 0644 |
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wm5100.h | File | 1.25 KB | 0644 |
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wm8903.h | File | 15.16 KB | 0644 |
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wm8904.h | File | 7.43 KB | 0644 |
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wm8955.h | File | 662 B | 0644 |
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wm8960.h | File | 603 B | 0644 |
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wm8962.h | File | 1.8 KB | 0644 |
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wm8993.h | File | 1.19 KB | 0644 |
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wm8996.h | File | 1.4 KB | 0644 |
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wm9081.h | File | 661 B | 0644 |
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wm9090.h | File | 780 B | 0644 |
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wss.h | File | 8.44 KB | 0644 |
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