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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.4 *5 * @File ctsrc.h6 *7 * @Brief8 * This file contains the definition of the Sample Rate Convertor9 * resource management object.10 *11 * @Author Liu Chun12 * @Date May 13 200813 */14 15#ifndef CTSRC_H16#define CTSRC_H17 18#include "ctresource.h"19#include "ctimap.h"20#include <linux/spinlock.h>21#include <linux/list.h>22#include <sound/core.h>23 24#define SRC_STATE_OFF 0x025#define SRC_STATE_INIT 0x426#define SRC_STATE_RUN 0x527 28#define SRC_SF_U8 0x029#define SRC_SF_S16 0x130#define SRC_SF_S24 0x231#define SRC_SF_S32 0x332#define SRC_SF_F32 0x433 34/* Define the descriptor of a src resource */35enum SRCMODE {36 MEMRD, /* Read data from host memory */37 MEMWR, /* Write data to host memory */38 ARCRW, /* Read from and write to audio ring channel */39 NUM_SRCMODES40};41 42struct src_rsc_ops;43 44struct src {45 struct rsc rsc; /* Basic resource info */46 struct src *intlv; /* Pointer to next interleaved SRC in a series */47 const struct src_rsc_ops *ops; /* SRC specific operations */48 /* Number of contiguous srcs for interleaved usage */49 unsigned char multi;50 unsigned char mode; /* Working mode of this SRC resource */51};52 53struct src_rsc_ops {54 int (*set_state)(struct src *src, unsigned int state);55 int (*set_bm)(struct src *src, unsigned int bm);56 int (*set_sf)(struct src *src, unsigned int sf);57 int (*set_pm)(struct src *src, unsigned int pm);58 int (*set_rom)(struct src *src, unsigned int rom);59 int (*set_vo)(struct src *src, unsigned int vo);60 int (*set_st)(struct src *src, unsigned int st);61 int (*set_bp)(struct src *src, unsigned int bp);62 int (*set_cisz)(struct src *src, unsigned int cisz);63 int (*set_ca)(struct src *src, unsigned int ca);64 int (*set_sa)(struct src *src, unsigned int sa);65 int (*set_la)(struct src *src, unsigned int la);66 int (*set_pitch)(struct src *src, unsigned int pitch);67 int (*set_clr_zbufs)(struct src *src);68 int (*commit_write)(struct src *src);69 int (*get_ca)(struct src *src);70 int (*init)(struct src *src);71 struct src* (*next_interleave)(struct src *src);72};73 74/* Define src resource request description info */75struct src_desc {76 /* Number of contiguous master srcs for interleaved usage */77 unsigned char multi;78 unsigned char msr;79 unsigned char mode; /* Working mode of the requested srcs */80};81 82/* Define src manager object */83struct src_mgr {84 struct rsc_mgr mgr; /* Basic resource manager info */85 struct snd_card *card; /* pointer to this card */86 spinlock_t mgr_lock;87 88 /* request src resource */89 int (*get_src)(struct src_mgr *mgr,90 const struct src_desc *desc, struct src **rsrc);91 /* return src resource */92 int (*put_src)(struct src_mgr *mgr, struct src *src);93 int (*src_enable_s)(struct src_mgr *mgr, struct src *src);94 int (*src_enable)(struct src_mgr *mgr, struct src *src);95 int (*src_disable)(struct src_mgr *mgr, struct src *src);96 int (*commit_write)(struct src_mgr *mgr);97};98 99/* Define the descriptor of a SRC Input Mapper resource */100struct srcimp_mgr;101struct srcimp_rsc_ops;102 103struct srcimp {104 struct rsc rsc;105 unsigned char idx[8];106 struct imapper *imappers;107 unsigned int mapped; /* A bit-map indicating which conj rsc is mapped */108 struct srcimp_mgr *mgr;109 const struct srcimp_rsc_ops *ops;110};111 112struct srcimp_rsc_ops {113 int (*map)(struct srcimp *srcimp, struct src *user, struct rsc *input);114 int (*unmap)(struct srcimp *srcimp);115};116 117/* Define SRCIMP resource request description info */118struct srcimp_desc {119 unsigned int msr;120};121 122struct srcimp_mgr {123 struct rsc_mgr mgr; /* Basic resource manager info */124 struct snd_card *card; /* pointer to this card */125 spinlock_t mgr_lock;126 spinlock_t imap_lock;127 struct list_head imappers;128 struct imapper *init_imap;129 unsigned int init_imap_added;130 131 /* request srcimp resource */132 int (*get_srcimp)(struct srcimp_mgr *mgr,133 const struct srcimp_desc *desc,134 struct srcimp **rsrcimp);135 /* return srcimp resource */136 int (*put_srcimp)(struct srcimp_mgr *mgr, struct srcimp *srcimp);137 int (*imap_add)(struct srcimp_mgr *mgr, struct imapper *entry);138 int (*imap_delete)(struct srcimp_mgr *mgr, struct imapper *entry);139};140 141/* Constructor and destructor of SRC resource manager */142int src_mgr_create(struct hw *hw, void **ptr);143int src_mgr_destroy(void *ptr);144/* Constructor and destructor of SRCIMP resource manager */145int srcimp_mgr_create(struct hw *hw, void **ptr);146int srcimp_mgr_destroy(void *ptr);147 148#endif /* CTSRC_H */149