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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * @File ctsrc.h * * @Brief * This file contains the definition of the Sample Rate Convertor * resource management object. * * @Author Liu Chun * @Date May 13 2008 */ #ifndef CTSRC_H #define CTSRC_H #include "ctresource.h" #include "ctimap.h" #include <linux/spinlock.h> #include <linux/list.h> #include <sound/core.h> #define SRC_STATE_OFF 0x0 #define SRC_STATE_INIT 0x4 #define SRC_STATE_RUN 0x5 #define SRC_SF_U8 0x0 #define SRC_SF_S16 0x1 #define SRC_SF_S24 0x2 #define SRC_SF_S32 0x3 #define SRC_SF_F32 0x4 /* Define the descriptor of a src resource */ enum SRCMODE { MEMRD, /* Read data from host memory */ MEMWR, /* Write data to host memory */ ARCRW, /* Read from and write to audio ring channel */ NUM_SRCMODES }; struct src_rsc_ops; struct src { struct rsc rsc; /* Basic resource info */ struct src *intlv; /* Pointer to next interleaved SRC in a series */ const struct src_rsc_ops *ops; /* SRC specific operations */ /* Number of contiguous srcs for interleaved usage */ unsigned char multi; unsigned char mode; /* Working mode of this SRC resource */ }; struct src_rsc_ops { int (*set_state)(struct src *src, unsigned int state); int (*set_bm)(struct src *src, unsigned int bm); int (*set_sf)(struct src *src, unsigned int sf); int (*set_pm)(struct src *src, unsigned int pm); int (*set_rom)(struct src *src, unsigned int rom); int (*set_vo)(struct src *src, unsigned int vo); int (*set_st)(struct src *src, unsigned int st); int (*set_bp)(struct src *src, unsigned int bp); int (*set_cisz)(struct src *src, unsigned int cisz); int (*set_ca)(struct src *src, unsigned int ca); int (*set_sa)(struct src *src, unsigned int sa); int (*set_la)(struct src *src, unsigned int la); int (*set_pitch)(struct src *src, unsigned int pitch); int (*set_clr_zbufs)(struct src *src); int (*commit_write)(struct src *src); int (*get_ca)(struct src *src); int (*init)(struct src *src); struct src* (*next_interleave)(struct src *src); }; /* Define src resource request description info */ struct src_desc { /* Number of contiguous master srcs for interleaved usage */ unsigned char multi; unsigned char msr; unsigned char mode; /* Working mode of the requested srcs */ }; /* Define src manager object */ struct src_mgr { struct rsc_mgr mgr; /* Basic resource manager info */ struct snd_card *card; /* pointer to this card */ spinlock_t mgr_lock; /* request src resource */ int (*get_src)(struct src_mgr *mgr, const struct src_desc *desc, struct src **rsrc); /* return src resource */ int (*put_src)(struct src_mgr *mgr, struct src *src); int (*src_enable_s)(struct src_mgr *mgr, struct src *src); int (*src_enable)(struct src_mgr *mgr, struct src *src); int (*src_disable)(struct src_mgr *mgr, struct src *src); int (*commit_write)(struct src_mgr *mgr); }; /* Define the descriptor of a SRC Input Mapper resource */ struct srcimp_mgr; struct srcimp_rsc_ops; struct srcimp { struct rsc rsc; unsigned char idx[8]; struct imapper *imappers; unsigned int mapped; /* A bit-map indicating which conj rsc is mapped */ struct srcimp_mgr *mgr; const struct srcimp_rsc_ops *ops; }; struct srcimp_rsc_ops { int (*map)(struct srcimp *srcimp, struct src *user, struct rsc *input); int (*unmap)(struct srcimp *srcimp); }; /* Define SRCIMP resource request description info */ struct srcimp_desc { unsigned int msr; }; struct srcimp_mgr { struct rsc_mgr mgr; /* Basic resource manager info */ struct snd_card *card; /* pointer to this card */ spinlock_t mgr_lock; spinlock_t imap_lock; struct list_head imappers; struct imapper *init_imap; unsigned int init_imap_added; /* request srcimp resource */ int (*get_srcimp)(struct srcimp_mgr *mgr, const struct srcimp_desc *desc, struct srcimp **rsrcimp); /* return srcimp resource */ int (*put_srcimp)(struct srcimp_mgr *mgr, struct srcimp *srcimp); int (*imap_add)(struct srcimp_mgr *mgr, struct imapper *entry); int (*imap_delete)(struct srcimp_mgr *mgr, struct imapper *entry); }; /* Constructor and destructor of SRC resource manager */ int src_mgr_create(struct hw *hw, struct src_mgr **rsrc_mgr); int src_mgr_destroy(struct src_mgr *src_mgr); /* Constructor and destructor of SRCIMP resource manager */ int srcimp_mgr_create(struct hw *hw, struct srcimp_mgr **rsrc_mgr); int srcimp_mgr_destroy(struct srcimp_mgr *srcimp_mgr); #endif /* CTSRC_H */ |