Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * @File	ctamixer.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * @Brief
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * This file contains the definition of the Audio Mixer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * resource management object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * @Author	Liu Chun
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * @Date 	May 21 2008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #ifndef CTAMIXER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define CTAMIXER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "ctresource.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* Define the descriptor of a summation node resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct sum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct rsc rsc;		/* Basic resource info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	unsigned char idx[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* Define sum resource request description info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct sum_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned int msr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct sum_mgr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	struct rsc_mgr mgr;	/* Basic resource manager info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct snd_card *card;	/* pointer to this card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	spinlock_t mgr_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	 /* request one sum resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	int (*get_sum)(struct sum_mgr *mgr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			const struct sum_desc *desc, struct sum **rsum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	/* return one sum resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	int (*put_sum)(struct sum_mgr *mgr, struct sum *sum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* Constructor and destructor of daio resource manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int sum_mgr_destroy(struct sum_mgr *sum_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* Define the descriptor of a amixer resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct amixer_rsc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct amixer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	struct rsc rsc;		/* Basic resource info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	unsigned char idx[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	struct rsc *input;	/* pointer to a resource acting as source */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	struct sum *sum;	/* Put amixer output to this summation node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	const struct amixer_rsc_ops *ops;	/* AMixer specific operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct amixer_rsc_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	int (*set_input)(struct amixer *amixer, struct rsc *rsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	int (*set_scale)(struct amixer *amixer, unsigned int scale);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	int (*set_sum)(struct amixer *amixer, struct sum *sum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	int (*commit_write)(struct amixer *amixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	/* Only for interleaved recording */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	int (*commit_raw_write)(struct amixer *amixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	int (*setup)(struct amixer *amixer, struct rsc *input,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 			unsigned int scale, struct sum *sum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	int (*get_scale)(struct amixer *amixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* Define amixer resource request description info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct amixer_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	unsigned int msr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct amixer_mgr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	struct rsc_mgr mgr;	/* Basic resource manager info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 	struct snd_card *card;	/* pointer to this card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	spinlock_t mgr_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 	 /* request one amixer resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 	int (*get_amixer)(struct amixer_mgr *mgr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 			  const struct amixer_desc *desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 			  struct amixer **ramixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 	/* return one amixer resource */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 	int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* Constructor and destructor of amixer resource manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #endif /* CTAMIXER_H */