Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __SOUND_SEQ_DEVICE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __SOUND_SEQ_DEVICE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  ALSA sequencer device management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  Copyright (c) 1999 by Takashi Iwai <tiwai@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * registered device information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct snd_seq_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	/* device info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	struct snd_card *card;	/* sound card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	int device;		/* device number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	const char *id;		/* driver id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	char name[80];		/* device name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	int argsize;		/* size of the argument */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	void *driver_data;	/* private data for driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	void *private_data;	/* private data for the caller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	void (*private_free)(struct snd_seq_device *device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct device dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define to_seq_dev(_dev) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	container_of(_dev, struct snd_seq_device, dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* sequencer driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* driver operators
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  * probe:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  *	Initialize the device with given parameters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  *	Typically,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  *		1. call snd_hwdep_new
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  *		2. allocate private data and initialize it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  *		3. call snd_hwdep_register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  *		4. store the instance to dev->driver_data pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)  *		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)  * remove:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)  *	Release the private data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)  *	Typically, call snd_device_free(dev->card, dev->driver_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct snd_seq_driver {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	struct device_driver driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	char *id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	int argsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define to_seq_drv(_drv) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	container_of(_drv, struct snd_seq_driver, driver)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)  * prototypes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #ifdef CONFIG_MODULES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) void snd_seq_device_load_drivers(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define snd_seq_device_load_drivers()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int snd_seq_device_new(struct snd_card *card, int device, const char *id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		       int argsize, struct snd_seq_device **result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define SNDRV_SEQ_DEVICE_ARGPTR(dev) (void *)((char *)(dev) + sizeof(struct snd_seq_device))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int __must_check __snd_seq_driver_register(struct snd_seq_driver *drv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 					   struct module *mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define snd_seq_driver_register(drv) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	__snd_seq_driver_register(drv, THIS_MODULE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) void snd_seq_driver_unregister(struct snd_seq_driver *drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define module_snd_seq_driver(drv) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	module_driver(drv, snd_seq_driver_register, snd_seq_driver_unregister)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)  * id strings for generic devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define SNDRV_SEQ_DEV_ID_MIDISYNTH	"seq-midi"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define SNDRV_SEQ_DEV_ID_OPL3		"opl3-synth"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #endif /* __SOUND_SEQ_DEVICE_H */