1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /** 3*4882a593Smuzhiyun * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * @File ctsrc.h 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * @Brief 8*4882a593Smuzhiyun * This file contains the definition of the Sample Rate Convertor 9*4882a593Smuzhiyun * resource management object. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * @Author Liu Chun 12*4882a593Smuzhiyun * @Date May 13 2008 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifndef CTSRC_H 16*4882a593Smuzhiyun #define CTSRC_H 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include "ctresource.h" 19*4882a593Smuzhiyun #include "ctimap.h" 20*4882a593Smuzhiyun #include <linux/spinlock.h> 21*4882a593Smuzhiyun #include <linux/list.h> 22*4882a593Smuzhiyun #include <sound/core.h> 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define SRC_STATE_OFF 0x0 25*4882a593Smuzhiyun #define SRC_STATE_INIT 0x4 26*4882a593Smuzhiyun #define SRC_STATE_RUN 0x5 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #define SRC_SF_U8 0x0 29*4882a593Smuzhiyun #define SRC_SF_S16 0x1 30*4882a593Smuzhiyun #define SRC_SF_S24 0x2 31*4882a593Smuzhiyun #define SRC_SF_S32 0x3 32*4882a593Smuzhiyun #define SRC_SF_F32 0x4 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* Define the descriptor of a src resource */ 35*4882a593Smuzhiyun enum SRCMODE { 36*4882a593Smuzhiyun MEMRD, /* Read data from host memory */ 37*4882a593Smuzhiyun MEMWR, /* Write data to host memory */ 38*4882a593Smuzhiyun ARCRW, /* Read from and write to audio ring channel */ 39*4882a593Smuzhiyun NUM_SRCMODES 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct src_rsc_ops; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun struct src { 45*4882a593Smuzhiyun struct rsc rsc; /* Basic resource info */ 46*4882a593Smuzhiyun struct src *intlv; /* Pointer to next interleaved SRC in a series */ 47*4882a593Smuzhiyun const struct src_rsc_ops *ops; /* SRC specific operations */ 48*4882a593Smuzhiyun /* Number of contiguous srcs for interleaved usage */ 49*4882a593Smuzhiyun unsigned char multi; 50*4882a593Smuzhiyun unsigned char mode; /* Working mode of this SRC resource */ 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun struct src_rsc_ops { 54*4882a593Smuzhiyun int (*set_state)(struct src *src, unsigned int state); 55*4882a593Smuzhiyun int (*set_bm)(struct src *src, unsigned int bm); 56*4882a593Smuzhiyun int (*set_sf)(struct src *src, unsigned int sf); 57*4882a593Smuzhiyun int (*set_pm)(struct src *src, unsigned int pm); 58*4882a593Smuzhiyun int (*set_rom)(struct src *src, unsigned int rom); 59*4882a593Smuzhiyun int (*set_vo)(struct src *src, unsigned int vo); 60*4882a593Smuzhiyun int (*set_st)(struct src *src, unsigned int st); 61*4882a593Smuzhiyun int (*set_bp)(struct src *src, unsigned int bp); 62*4882a593Smuzhiyun int (*set_cisz)(struct src *src, unsigned int cisz); 63*4882a593Smuzhiyun int (*set_ca)(struct src *src, unsigned int ca); 64*4882a593Smuzhiyun int (*set_sa)(struct src *src, unsigned int sa); 65*4882a593Smuzhiyun int (*set_la)(struct src *src, unsigned int la); 66*4882a593Smuzhiyun int (*set_pitch)(struct src *src, unsigned int pitch); 67*4882a593Smuzhiyun int (*set_clr_zbufs)(struct src *src); 68*4882a593Smuzhiyun int (*commit_write)(struct src *src); 69*4882a593Smuzhiyun int (*get_ca)(struct src *src); 70*4882a593Smuzhiyun int (*init)(struct src *src); 71*4882a593Smuzhiyun struct src* (*next_interleave)(struct src *src); 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun /* Define src resource request description info */ 75*4882a593Smuzhiyun struct src_desc { 76*4882a593Smuzhiyun /* Number of contiguous master srcs for interleaved usage */ 77*4882a593Smuzhiyun unsigned char multi; 78*4882a593Smuzhiyun unsigned char msr; 79*4882a593Smuzhiyun unsigned char mode; /* Working mode of the requested srcs */ 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun /* Define src manager object */ 83*4882a593Smuzhiyun struct src_mgr { 84*4882a593Smuzhiyun struct rsc_mgr mgr; /* Basic resource manager info */ 85*4882a593Smuzhiyun struct snd_card *card; /* pointer to this card */ 86*4882a593Smuzhiyun spinlock_t mgr_lock; 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun /* request src resource */ 89*4882a593Smuzhiyun int (*get_src)(struct src_mgr *mgr, 90*4882a593Smuzhiyun const struct src_desc *desc, struct src **rsrc); 91*4882a593Smuzhiyun /* return src resource */ 92*4882a593Smuzhiyun int (*put_src)(struct src_mgr *mgr, struct src *src); 93*4882a593Smuzhiyun int (*src_enable_s)(struct src_mgr *mgr, struct src *src); 94*4882a593Smuzhiyun int (*src_enable)(struct src_mgr *mgr, struct src *src); 95*4882a593Smuzhiyun int (*src_disable)(struct src_mgr *mgr, struct src *src); 96*4882a593Smuzhiyun int (*commit_write)(struct src_mgr *mgr); 97*4882a593Smuzhiyun }; 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun /* Define the descriptor of a SRC Input Mapper resource */ 100*4882a593Smuzhiyun struct srcimp_mgr; 101*4882a593Smuzhiyun struct srcimp_rsc_ops; 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun struct srcimp { 104*4882a593Smuzhiyun struct rsc rsc; 105*4882a593Smuzhiyun unsigned char idx[8]; 106*4882a593Smuzhiyun struct imapper *imappers; 107*4882a593Smuzhiyun unsigned int mapped; /* A bit-map indicating which conj rsc is mapped */ 108*4882a593Smuzhiyun struct srcimp_mgr *mgr; 109*4882a593Smuzhiyun const struct srcimp_rsc_ops *ops; 110*4882a593Smuzhiyun }; 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun struct srcimp_rsc_ops { 113*4882a593Smuzhiyun int (*map)(struct srcimp *srcimp, struct src *user, struct rsc *input); 114*4882a593Smuzhiyun int (*unmap)(struct srcimp *srcimp); 115*4882a593Smuzhiyun }; 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun /* Define SRCIMP resource request description info */ 118*4882a593Smuzhiyun struct srcimp_desc { 119*4882a593Smuzhiyun unsigned int msr; 120*4882a593Smuzhiyun }; 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun struct srcimp_mgr { 123*4882a593Smuzhiyun struct rsc_mgr mgr; /* Basic resource manager info */ 124*4882a593Smuzhiyun struct snd_card *card; /* pointer to this card */ 125*4882a593Smuzhiyun spinlock_t mgr_lock; 126*4882a593Smuzhiyun spinlock_t imap_lock; 127*4882a593Smuzhiyun struct list_head imappers; 128*4882a593Smuzhiyun struct imapper *init_imap; 129*4882a593Smuzhiyun unsigned int init_imap_added; 130*4882a593Smuzhiyun 131*4882a593Smuzhiyun /* request srcimp resource */ 132*4882a593Smuzhiyun int (*get_srcimp)(struct srcimp_mgr *mgr, 133*4882a593Smuzhiyun const struct srcimp_desc *desc, 134*4882a593Smuzhiyun struct srcimp **rsrcimp); 135*4882a593Smuzhiyun /* return srcimp resource */ 136*4882a593Smuzhiyun int (*put_srcimp)(struct srcimp_mgr *mgr, struct srcimp *srcimp); 137*4882a593Smuzhiyun int (*imap_add)(struct srcimp_mgr *mgr, struct imapper *entry); 138*4882a593Smuzhiyun int (*imap_delete)(struct srcimp_mgr *mgr, struct imapper *entry); 139*4882a593Smuzhiyun }; 140*4882a593Smuzhiyun 141*4882a593Smuzhiyun /* Constructor and destructor of SRC resource manager */ 142*4882a593Smuzhiyun int src_mgr_create(struct hw *hw, struct src_mgr **rsrc_mgr); 143*4882a593Smuzhiyun int src_mgr_destroy(struct src_mgr *src_mgr); 144*4882a593Smuzhiyun /* Constructor and destructor of SRCIMP resource manager */ 145*4882a593Smuzhiyun int srcimp_mgr_create(struct hw *hw, struct srcimp_mgr **rsrc_mgr); 146*4882a593Smuzhiyun int srcimp_mgr_destroy(struct srcimp_mgr *srcimp_mgr); 147*4882a593Smuzhiyun 148*4882a593Smuzhiyun #endif /* CTSRC_H */ 149