linux/sound/soc/fsl/fsl_asrc.h
<<
>>
Prefs
   1/*
   2 * fsl_asrc.h - Freescale ASRC ALSA SoC header file
   3 *
   4 * Copyright (C) 2014 Freescale Semiconductor, Inc.
   5 *
   6 * Author: Nicolin Chen <nicoleotsuka@gmail.com>
   7 *
   8 * This file is licensed under the terms of the GNU General Public License
   9 * version 2. This program is licensed "as is" without any warranty of any
  10 * kind, whether express or implied.
  11 */
  12
  13#ifndef _FSL_ASRC_H
  14#define _FSL_ASRC_H
  15
  16#define IN      0
  17#define OUT     1
  18
  19#define ASRC_DMA_BUFFER_NUM             2
  20#define ASRC_INPUTFIFO_THRESHOLD        32
  21#define ASRC_OUTPUTFIFO_THRESHOLD       32
  22#define ASRC_FIFO_THRESHOLD_MIN         0
  23#define ASRC_FIFO_THRESHOLD_MAX         63
  24#define ASRC_DMA_BUFFER_SIZE            (1024 * 48 * 4)
  25#define ASRC_MAX_BUFFER_SIZE            (1024 * 48)
  26#define ASRC_OUTPUT_LAST_SAMPLE         8
  27
  28#define IDEAL_RATIO_RATE                1000000
  29
  30#define REG_ASRCTR                      0x00
  31#define REG_ASRIER                      0x04
  32#define REG_ASRCNCR                     0x0C
  33#define REG_ASRCFG                      0x10
  34#define REG_ASRCSR                      0x14
  35
  36#define REG_ASRCDR1                     0x18
  37#define REG_ASRCDR2                     0x1C
  38#define REG_ASRCDR(i)                   ((i < 2) ? REG_ASRCDR1 : REG_ASRCDR2)
  39
  40#define REG_ASRSTR                      0x20
  41#define REG_ASRRA                       0x24
  42#define REG_ASRRB                       0x28
  43#define REG_ASRRC                       0x2C
  44#define REG_ASRPM1                      0x40
  45#define REG_ASRPM2                      0x44
  46#define REG_ASRPM3                      0x48
  47#define REG_ASRPM4                      0x4C
  48#define REG_ASRPM5                      0x50
  49#define REG_ASRTFR1                     0x54
  50#define REG_ASRCCR                      0x5C
  51
  52#define REG_ASRDIA                      0x60
  53#define REG_ASRDOA                      0x64
  54#define REG_ASRDIB                      0x68
  55#define REG_ASRDOB                      0x6C
  56#define REG_ASRDIC                      0x70
  57#define REG_ASRDOC                      0x74
  58#define REG_ASRDI(i)                    (REG_ASRDIA + (i << 3))
  59#define REG_ASRDO(i)                    (REG_ASRDOA + (i << 3))
  60#define REG_ASRDx(x, i)                 ((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i))
  61
  62#define REG_ASRIDRHA                    0x80
  63#define REG_ASRIDRLA                    0x84
  64#define REG_ASRIDRHB                    0x88
  65#define REG_ASRIDRLB                    0x8C
  66#define REG_ASRIDRHC                    0x90
  67#define REG_ASRIDRLC                    0x94
  68#define REG_ASRIDRH(i)                  (REG_ASRIDRHA + (i << 3))
  69#define REG_ASRIDRL(i)                  (REG_ASRIDRLA + (i << 3))
  70
  71#define REG_ASR76K                      0x98
  72#define REG_ASR56K                      0x9C
  73
  74#define REG_ASRMCRA                     0xA0
  75#define REG_ASRFSTA                     0xA4
  76#define REG_ASRMCRB                     0xA8
  77#define REG_ASRFSTB                     0xAC
  78#define REG_ASRMCRC                     0xB0
  79#define REG_ASRFSTC                     0xB4
  80#define REG_ASRMCR(i)                   (REG_ASRMCRA + (i << 3))
  81#define REG_ASRFST(i)                   (REG_ASRFSTA + (i << 3))
  82
  83#define REG_ASRMCR1A                    0xC0
  84#define REG_ASRMCR1B                    0xC4
  85#define REG_ASRMCR1C                    0xC8
  86#define REG_ASRMCR1(i)                  (REG_ASRMCR1A + (i << 2))
  87
  88
  89/* REG0 0x00 REG_ASRCTR */
  90#define ASRCTR_ATSi_SHIFT(i)            (20 + i)
  91#define ASRCTR_ATSi_MASK(i)             (1 << ASRCTR_ATSi_SHIFT(i))
  92#define ASRCTR_ATS(i)                   (1 << ASRCTR_ATSi_SHIFT(i))
  93#define ASRCTR_USRi_SHIFT(i)            (14 + (i << 1))
  94#define ASRCTR_USRi_MASK(i)             (1 << ASRCTR_USRi_SHIFT(i))
  95#define ASRCTR_USR(i)                   (1 << ASRCTR_USRi_SHIFT(i))
  96#define ASRCTR_IDRi_SHIFT(i)            (13 + (i << 1))
  97#define ASRCTR_IDRi_MASK(i)             (1 << ASRCTR_IDRi_SHIFT(i))
  98#define ASRCTR_IDR(i)                   (1 << ASRCTR_IDRi_SHIFT(i))
  99#define ASRCTR_SRST_SHIFT               4
 100#define ASRCTR_SRST_MASK                (1 << ASRCTR_SRST_SHIFT)
 101#define ASRCTR_SRST                     (1 << ASRCTR_SRST_SHIFT)
 102#define ASRCTR_ASRCEi_SHIFT(i)          (1 + i)
 103#define ASRCTR_ASRCEi_MASK(i)           (1 << ASRCTR_ASRCEi_SHIFT(i))
 104#define ASRCTR_ASRCE(i)                 (1 << ASRCTR_ASRCEi_SHIFT(i))
 105#define ASRCTR_ASRCEi_ALL_MASK          (0x7 << ASRCTR_ASRCEi_SHIFT(0))
 106#define ASRCTR_ASRCEN_SHIFT             0
 107#define ASRCTR_ASRCEN_MASK              (1 << ASRCTR_ASRCEN_SHIFT)
 108#define ASRCTR_ASRCEN                   (1 << ASRCTR_ASRCEN_SHIFT)
 109
 110/* REG1 0x04 REG_ASRIER */
 111#define ASRIER_AFPWE_SHIFT              7
 112#define ASRIER_AFPWE_MASK               (1 << ASRIER_AFPWE_SHIFT)
 113#define ASRIER_AFPWE                    (1 << ASRIER_AFPWE_SHIFT)
 114#define ASRIER_AOLIE_SHIFT              6
 115#define ASRIER_AOLIE_MASK               (1 << ASRIER_AOLIE_SHIFT)
 116#define ASRIER_AOLIE                    (1 << ASRIER_AOLIE_SHIFT)
 117#define ASRIER_ADOEi_SHIFT(i)           (3 + i)
 118#define ASRIER_ADOEi_MASK(i)            (1 << ASRIER_ADOEi_SHIFT(i))
 119#define ASRIER_ADOE(i)                  (1 << ASRIER_ADOEi_SHIFT(i))
 120#define ASRIER_ADIEi_SHIFT(i)           (0 + i)
 121#define ASRIER_ADIEi_MASK(i)            (1 << ASRIER_ADIEi_SHIFT(i))
 122#define ASRIER_ADIE(i)                  (1 << ASRIER_ADIEi_SHIFT(i))
 123
 124/* REG2 0x0C REG_ASRCNCR */
 125#define ASRCNCR_ANCi_SHIFT(i, b)        (b * i)
 126#define ASRCNCR_ANCi_MASK(i, b)         (((1 << b) - 1) << ASRCNCR_ANCi_SHIFT(i, b))
 127#define ASRCNCR_ANCi(i, v, b)           ((v << ASRCNCR_ANCi_SHIFT(i, b)) & ASRCNCR_ANCi_MASK(i, b))
 128
 129/* REG3 0x10 REG_ASRCFG */
 130#define ASRCFG_INIRQi_SHIFT(i)          (21 + i)
 131#define ASRCFG_INIRQi_MASK(i)           (1 << ASRCFG_INIRQi_SHIFT(i))
 132#define ASRCFG_INIRQi                   (1 << ASRCFG_INIRQi_SHIFT(i))
 133#define ASRCFG_NDPRi_SHIFT(i)           (18 + i)
 134#define ASRCFG_NDPRi_MASK(i)            (1 << ASRCFG_NDPRi_SHIFT(i))
 135#define ASRCFG_NDPRi_ALL_SHIFT          18
 136#define ASRCFG_NDPRi_ALL_MASK           (7 << ASRCFG_NDPRi_ALL_SHIFT)
 137#define ASRCFG_NDPRi                    (1 << ASRCFG_NDPRi_SHIFT(i))
 138#define ASRCFG_POSTMODi_SHIFT(i)        (8 + (i << 2))
 139#define ASRCFG_POSTMODi_WIDTH           2
 140#define ASRCFG_POSTMODi_MASK(i)         (((1 << ASRCFG_POSTMODi_WIDTH) - 1) << ASRCFG_POSTMODi_SHIFT(i))
 141#define ASRCFG_POSTMODi_ALL_MASK        (ASRCFG_POSTMODi_MASK(0) | ASRCFG_POSTMODi_MASK(1) | ASRCFG_POSTMODi_MASK(2))
 142#define ASRCFG_POSTMOD(i, v)            ((v) << ASRCFG_POSTMODi_SHIFT(i))
 143#define ASRCFG_POSTMODi_UP(i)           (0 << ASRCFG_POSTMODi_SHIFT(i))
 144#define ASRCFG_POSTMODi_DCON(i)         (1 << ASRCFG_POSTMODi_SHIFT(i))
 145#define ASRCFG_POSTMODi_DOWN(i)         (2 << ASRCFG_POSTMODi_SHIFT(i))
 146#define ASRCFG_PREMODi_SHIFT(i)         (6 + (i << 2))
 147#define ASRCFG_PREMODi_WIDTH            2
 148#define ASRCFG_PREMODi_MASK(i)          (((1 << ASRCFG_PREMODi_WIDTH) - 1) << ASRCFG_PREMODi_SHIFT(i))
 149#define ASRCFG_PREMODi_ALL_MASK         (ASRCFG_PREMODi_MASK(0) | ASRCFG_PREMODi_MASK(1) | ASRCFG_PREMODi_MASK(2))
 150#define ASRCFG_PREMOD(i, v)             ((v) << ASRCFG_PREMODi_SHIFT(i))
 151#define ASRCFG_PREMODi_UP(i)            (0 << ASRCFG_PREMODi_SHIFT(i))
 152#define ASRCFG_PREMODi_DCON(i)          (1 << ASRCFG_PREMODi_SHIFT(i))
 153#define ASRCFG_PREMODi_DOWN(i)          (2 << ASRCFG_PREMODi_SHIFT(i))
 154#define ASRCFG_PREMODi_BYPASS(i)        (3 << ASRCFG_PREMODi_SHIFT(i))
 155
 156/* REG4 0x14 REG_ASRCSR */
 157#define ASRCSR_AxCSi_WIDTH              4
 158#define ASRCSR_AxCSi_MASK               ((1 << ASRCSR_AxCSi_WIDTH) - 1)
 159#define ASRCSR_AOCSi_SHIFT(i)           (12 + (i << 2))
 160#define ASRCSR_AOCSi_MASK(i)            (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AOCSi_SHIFT(i))
 161#define ASRCSR_AOCS(i, v)               ((v) << ASRCSR_AOCSi_SHIFT(i))
 162#define ASRCSR_AICSi_SHIFT(i)           (i << 2)
 163#define ASRCSR_AICSi_MASK(i)            (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AICSi_SHIFT(i))
 164#define ASRCSR_AICS(i, v)               ((v) << ASRCSR_AICSi_SHIFT(i))
 165
 166/* REG5&6 0x18 & 0x1C REG_ASRCDR1 & ASRCDR2 */
 167#define ASRCDRi_AxCPi_WIDTH             3
 168#define ASRCDRi_AICPi_SHIFT(i)          (0 + (i % 2) * 6)
 169#define ASRCDRi_AICPi_MASK(i)           (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICPi_SHIFT(i))
 170#define ASRCDRi_AICP(i, v)              ((v) << ASRCDRi_AICPi_SHIFT(i))
 171#define ASRCDRi_AICDi_SHIFT(i)          (3 + (i % 2) * 6)
 172#define ASRCDRi_AICDi_MASK(i)           (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICDi_SHIFT(i))
 173#define ASRCDRi_AICD(i, v)              ((v) << ASRCDRi_AICDi_SHIFT(i))
 174#define ASRCDRi_AOCPi_SHIFT(i)          ((i < 2) ? 12 + i * 6 : 6)
 175#define ASRCDRi_AOCPi_MASK(i)           (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCPi_SHIFT(i))
 176#define ASRCDRi_AOCP(i, v)              ((v) << ASRCDRi_AOCPi_SHIFT(i))
 177#define ASRCDRi_AOCDi_SHIFT(i)          ((i < 2) ? 15 + i * 6 : 9)
 178#define ASRCDRi_AOCDi_MASK(i)           (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCDi_SHIFT(i))
 179#define ASRCDRi_AOCD(i, v)              ((v) << ASRCDRi_AOCDi_SHIFT(i))
 180
 181/* REG7 0x20 REG_ASRSTR */
 182#define ASRSTR_DSLCNT_SHIFT             21
 183#define ASRSTR_DSLCNT_MASK              (1 << ASRSTR_DSLCNT_SHIFT)
 184#define ASRSTR_DSLCNT                   (1 << ASRSTR_DSLCNT_SHIFT)
 185#define ASRSTR_ATQOL_SHIFT              20
 186#define ASRSTR_ATQOL_MASK               (1 << ASRSTR_ATQOL_SHIFT)
 187#define ASRSTR_ATQOL                    (1 << ASRSTR_ATQOL_SHIFT)
 188#define ASRSTR_AOOLi_SHIFT(i)           (17 + i)
 189#define ASRSTR_AOOLi_MASK(i)            (1 << ASRSTR_AOOLi_SHIFT(i))
 190#define ASRSTR_AOOL(i)                  (1 << ASRSTR_AOOLi_SHIFT(i))
 191#define ASRSTR_AIOLi_SHIFT(i)           (14 + i)
 192#define ASRSTR_AIOLi_MASK(i)            (1 << ASRSTR_AIOLi_SHIFT(i))
 193#define ASRSTR_AIOL(i)                  (1 << ASRSTR_AIOLi_SHIFT(i))
 194#define ASRSTR_AODOi_SHIFT(i)           (11 + i)
 195#define ASRSTR_AODOi_MASK(i)            (1 << ASRSTR_AODOi_SHIFT(i))
 196#define ASRSTR_AODO(i)                  (1 << ASRSTR_AODOi_SHIFT(i))
 197#define ASRSTR_AIDUi_SHIFT(i)           (8 + i)
 198#define ASRSTR_AIDUi_MASK(i)            (1 << ASRSTR_AIDUi_SHIFT(i))
 199#define ASRSTR_AIDU(i)                  (1 << ASRSTR_AIDUi_SHIFT(i))
 200#define ASRSTR_FPWT_SHIFT               7
 201#define ASRSTR_FPWT_MASK                (1 << ASRSTR_FPWT_SHIFT)
 202#define ASRSTR_FPWT                     (1 << ASRSTR_FPWT_SHIFT)
 203#define ASRSTR_AOLE_SHIFT               6
 204#define ASRSTR_AOLE_MASK                (1 << ASRSTR_AOLE_SHIFT)
 205#define ASRSTR_AOLE                     (1 << ASRSTR_AOLE_SHIFT)
 206#define ASRSTR_AODEi_SHIFT(i)           (3 + i)
 207#define ASRSTR_AODFi_MASK(i)            (1 << ASRSTR_AODEi_SHIFT(i))
 208#define ASRSTR_AODF(i)                  (1 << ASRSTR_AODEi_SHIFT(i))
 209#define ASRSTR_AIDEi_SHIFT(i)           (0 + i)
 210#define ASRSTR_AIDEi_MASK(i)            (1 << ASRSTR_AIDEi_SHIFT(i))
 211#define ASRSTR_AIDE(i)                  (1 << ASRSTR_AIDEi_SHIFT(i))
 212
 213/* REG10 0x54 REG_ASRTFR1 */
 214#define ASRTFR1_TF_BASE_WIDTH           7
 215#define ASRTFR1_TF_BASE_SHIFT           6
 216#define ASRTFR1_TF_BASE_MASK            (((1 << ASRTFR1_TF_BASE_WIDTH) - 1) << ASRTFR1_TF_BASE_SHIFT)
 217#define ASRTFR1_TF_BASE(i)              ((i) << ASRTFR1_TF_BASE_SHIFT)
 218
 219/*
 220 * REG22 0xA0 REG_ASRMCRA
 221 * REG24 0xA8 REG_ASRMCRB
 222 * REG26 0xB0 REG_ASRMCRC
 223 */
 224#define ASRMCRi_ZEROBUFi_SHIFT          23
 225#define ASRMCRi_ZEROBUFi_MASK           (1 << ASRMCRi_ZEROBUFi_SHIFT)
 226#define ASRMCRi_ZEROBUFi                (1 << ASRMCRi_ZEROBUFi_SHIFT)
 227#define ASRMCRi_EXTTHRSHi_SHIFT         22
 228#define ASRMCRi_EXTTHRSHi_MASK          (1 << ASRMCRi_EXTTHRSHi_SHIFT)
 229#define ASRMCRi_EXTTHRSHi               (1 << ASRMCRi_EXTTHRSHi_SHIFT)
 230#define ASRMCRi_BUFSTALLi_SHIFT         21
 231#define ASRMCRi_BUFSTALLi_MASK          (1 << ASRMCRi_BUFSTALLi_SHIFT)
 232#define ASRMCRi_BUFSTALLi               (1 << ASRMCRi_BUFSTALLi_SHIFT)
 233#define ASRMCRi_BYPASSPOLYi_SHIFT       20
 234#define ASRMCRi_BYPASSPOLYi_MASK        (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
 235#define ASRMCRi_BYPASSPOLYi             (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
 236#define ASRMCRi_OUTFIFO_THRESHOLD_WIDTH 6
 237#define ASRMCRi_OUTFIFO_THRESHOLD_SHIFT 12
 238#define ASRMCRi_OUTFIFO_THRESHOLD_MASK  (((1 << ASRMCRi_OUTFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT)
 239#define ASRMCRi_OUTFIFO_THRESHOLD(v)    (((v) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT) & ASRMCRi_OUTFIFO_THRESHOLD_MASK)
 240#define ASRMCRi_RSYNIFi_SHIFT           11
 241#define ASRMCRi_RSYNIFi_MASK            (1 << ASRMCRi_RSYNIFi_SHIFT)
 242#define ASRMCRi_RSYNIFi                 (1 << ASRMCRi_RSYNIFi_SHIFT)
 243#define ASRMCRi_RSYNOFi_SHIFT           10
 244#define ASRMCRi_RSYNOFi_MASK            (1 << ASRMCRi_RSYNOFi_SHIFT)
 245#define ASRMCRi_RSYNOFi                 (1 << ASRMCRi_RSYNOFi_SHIFT)
 246#define ASRMCRi_INFIFO_THRESHOLD_WIDTH  6
 247#define ASRMCRi_INFIFO_THRESHOLD_SHIFT  0
 248#define ASRMCRi_INFIFO_THRESHOLD_MASK   (((1 << ASRMCRi_INFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_INFIFO_THRESHOLD_SHIFT)
 249#define ASRMCRi_INFIFO_THRESHOLD(v)     (((v) << ASRMCRi_INFIFO_THRESHOLD_SHIFT) & ASRMCRi_INFIFO_THRESHOLD_MASK)
 250
 251/*
 252 * REG23 0xA4 REG_ASRFSTA
 253 * REG25 0xAC REG_ASRFSTB
 254 * REG27 0xB4 REG_ASRFSTC
 255 */
 256#define ASRFSTi_OAFi_SHIFT              23
 257#define ASRFSTi_OAFi_MASK               (1 << ASRFSTi_OAFi_SHIFT)
 258#define ASRFSTi_OAFi                    (1 << ASRFSTi_OAFi_SHIFT)
 259#define ASRFSTi_OUTPUT_FIFO_WIDTH       7
 260#define ASRFSTi_OUTPUT_FIFO_SHIFT       12
 261#define ASRFSTi_OUTPUT_FIFO_MASK        (((1 << ASRFSTi_OUTPUT_FIFO_WIDTH) - 1) << ASRFSTi_OUTPUT_FIFO_SHIFT)
 262#define ASRFSTi_IAEi_SHIFT              11
 263#define ASRFSTi_IAEi_MASK               (1 << ASRFSTi_IAEi_SHIFT)
 264#define ASRFSTi_IAEi                    (1 << ASRFSTi_IAEi_SHIFT)
 265#define ASRFSTi_INPUT_FIFO_WIDTH        7
 266#define ASRFSTi_INPUT_FIFO_SHIFT        0
 267#define ASRFSTi_INPUT_FIFO_MASK         ((1 << ASRFSTi_INPUT_FIFO_WIDTH) - 1)
 268
 269/* REG28 0xC0 & 0xC4 & 0xC8 REG_ASRMCR1i */
 270#define ASRMCR1i_IWD_WIDTH              3
 271#define ASRMCR1i_IWD_SHIFT              9
 272#define ASRMCR1i_IWD_MASK               (((1 << ASRMCR1i_IWD_WIDTH) - 1) << ASRMCR1i_IWD_SHIFT)
 273#define ASRMCR1i_IWD(v)                 ((v) << ASRMCR1i_IWD_SHIFT)
 274#define ASRMCR1i_IMSB_SHIFT             8
 275#define ASRMCR1i_IMSB_MASK              (1 << ASRMCR1i_IMSB_SHIFT)
 276#define ASRMCR1i_IMSB_MSB               (1 << ASRMCR1i_IMSB_SHIFT)
 277#define ASRMCR1i_IMSB_LSB               (0 << ASRMCR1i_IMSB_SHIFT)
 278#define ASRMCR1i_OMSB_SHIFT             2
 279#define ASRMCR1i_OMSB_MASK              (1 << ASRMCR1i_OMSB_SHIFT)
 280#define ASRMCR1i_OMSB_MSB               (1 << ASRMCR1i_OMSB_SHIFT)
 281#define ASRMCR1i_OMSB_LSB               (0 << ASRMCR1i_OMSB_SHIFT)
 282#define ASRMCR1i_OSGN_SHIFT             1
 283#define ASRMCR1i_OSGN_MASK              (1 << ASRMCR1i_OSGN_SHIFT)
 284#define ASRMCR1i_OSGN                   (1 << ASRMCR1i_OSGN_SHIFT)
 285#define ASRMCR1i_OW16_SHIFT             0
 286#define ASRMCR1i_OW16_MASK              (1 << ASRMCR1i_OW16_SHIFT)
 287#define ASRMCR1i_OW16(v)                ((v) << ASRMCR1i_OW16_SHIFT)
 288
 289
 290enum asrc_pair_index {
 291        ASRC_INVALID_PAIR = -1,
 292        ASRC_PAIR_A = 0,
 293        ASRC_PAIR_B = 1,
 294        ASRC_PAIR_C = 2,
 295};
 296
 297#define ASRC_PAIR_MAX_NUM       (ASRC_PAIR_C + 1)
 298
 299enum asrc_inclk {
 300        INCLK_NONE = 0x03,
 301        INCLK_ESAI_RX = 0x00,
 302        INCLK_SSI1_RX = 0x01,
 303        INCLK_SSI2_RX = 0x02,
 304        INCLK_SSI3_RX = 0x07,
 305        INCLK_SPDIF_RX = 0x04,
 306        INCLK_MLB_CLK = 0x05,
 307        INCLK_PAD = 0x06,
 308        INCLK_ESAI_TX = 0x08,
 309        INCLK_SSI1_TX = 0x09,
 310        INCLK_SSI2_TX = 0x0a,
 311        INCLK_SSI3_TX = 0x0b,
 312        INCLK_SPDIF_TX = 0x0c,
 313        INCLK_ASRCK1_CLK = 0x0f,
 314};
 315
 316enum asrc_outclk {
 317        OUTCLK_NONE = 0x03,
 318        OUTCLK_ESAI_TX = 0x00,
 319        OUTCLK_SSI1_TX = 0x01,
 320        OUTCLK_SSI2_TX = 0x02,
 321        OUTCLK_SSI3_TX = 0x07,
 322        OUTCLK_SPDIF_TX = 0x04,
 323        OUTCLK_MLB_CLK = 0x05,
 324        OUTCLK_PAD = 0x06,
 325        OUTCLK_ESAI_RX = 0x08,
 326        OUTCLK_SSI1_RX = 0x09,
 327        OUTCLK_SSI2_RX = 0x0a,
 328        OUTCLK_SSI3_RX = 0x0b,
 329        OUTCLK_SPDIF_RX = 0x0c,
 330        OUTCLK_ASRCK1_CLK = 0x0f,
 331};
 332
 333#define ASRC_CLK_MAX_NUM        16
 334
 335enum asrc_word_width {
 336        ASRC_WIDTH_24_BIT = 0,
 337        ASRC_WIDTH_16_BIT = 1,
 338        ASRC_WIDTH_8_BIT = 2,
 339};
 340
 341struct asrc_config {
 342        enum asrc_pair_index pair;
 343        unsigned int channel_num;
 344        unsigned int buffer_num;
 345        unsigned int dma_buffer_size;
 346        unsigned int input_sample_rate;
 347        unsigned int output_sample_rate;
 348        enum asrc_word_width input_word_width;
 349        enum asrc_word_width output_word_width;
 350        enum asrc_inclk inclk;
 351        enum asrc_outclk outclk;
 352};
 353
 354struct asrc_req {
 355        unsigned int chn_num;
 356        enum asrc_pair_index index;
 357};
 358
 359struct asrc_querybuf {
 360        unsigned int buffer_index;
 361        unsigned int input_length;
 362        unsigned int output_length;
 363        unsigned long input_offset;
 364        unsigned long output_offset;
 365};
 366
 367struct asrc_convert_buffer {
 368        void *input_buffer_vaddr;
 369        void *output_buffer_vaddr;
 370        unsigned int input_buffer_length;
 371        unsigned int output_buffer_length;
 372};
 373
 374struct asrc_status_flags {
 375        enum asrc_pair_index index;
 376        unsigned int overload_error;
 377};
 378
 379enum asrc_error_status {
 380        ASRC_TASK_Q_OVERLOAD            = 0x01,
 381        ASRC_OUTPUT_TASK_OVERLOAD       = 0x02,
 382        ASRC_INPUT_TASK_OVERLOAD        = 0x04,
 383        ASRC_OUTPUT_BUFFER_OVERFLOW     = 0x08,
 384        ASRC_INPUT_BUFFER_UNDERRUN      = 0x10,
 385};
 386
 387struct dma_block {
 388        dma_addr_t dma_paddr;
 389        void *dma_vaddr;
 390        unsigned int length;
 391};
 392
 393/**
 394 * fsl_asrc_pair: ASRC Pair private data
 395 *
 396 * @asrc_priv: pointer to its parent module
 397 * @config: configuration profile
 398 * @error: error record
 399 * @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C)
 400 * @channels: occupied channel number
 401 * @desc: input and output dma descriptors
 402 * @dma_chan: inputer and output DMA channels
 403 * @dma_data: private dma data
 404 * @pos: hardware pointer position
 405 * @private: pair private area
 406 */
 407struct fsl_asrc_pair {
 408        struct fsl_asrc *asrc_priv;
 409        struct asrc_config *config;
 410        unsigned int error;
 411
 412        enum asrc_pair_index index;
 413        unsigned int channels;
 414
 415        struct dma_async_tx_descriptor *desc[2];
 416        struct dma_chan *dma_chan[2];
 417        struct imx_dma_data dma_data;
 418        unsigned int pos;
 419
 420        void *private;
 421};
 422
 423/**
 424 * fsl_asrc_pair: ASRC private data
 425 *
 426 * @dma_params_rx: DMA parameters for receive channel
 427 * @dma_params_tx: DMA parameters for transmit channel
 428 * @pdev: platform device pointer
 429 * @regmap: regmap handler
 430 * @paddr: physical address to the base address of registers
 431 * @mem_clk: clock source to access register
 432 * @ipg_clk: clock source to drive peripheral
 433 * @spba_clk: SPBA clock (optional, depending on SoC design)
 434 * @asrck_clk: clock sources to driver ASRC internal logic
 435 * @lock: spin lock for resource protection
 436 * @pair: pair pointers
 437 * @channel_bits: width of ASRCNCR register for each pair
 438 * @channel_avail: non-occupied channel numbers
 439 * @asrc_rate: default sample rate for ASoC Back-Ends
 440 * @asrc_width: default sample width for ASoC Back-Ends
 441 * @regcache_cfg: store register value of REG_ASRCFG
 442 */
 443struct fsl_asrc {
 444        struct snd_dmaengine_dai_dma_data dma_params_rx;
 445        struct snd_dmaengine_dai_dma_data dma_params_tx;
 446        struct platform_device *pdev;
 447        struct regmap *regmap;
 448        unsigned long paddr;
 449        struct clk *mem_clk;
 450        struct clk *ipg_clk;
 451        struct clk *spba_clk;
 452        struct clk *asrck_clk[ASRC_CLK_MAX_NUM];
 453        spinlock_t lock;
 454
 455        struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM];
 456        unsigned int channel_bits;
 457        unsigned int channel_avail;
 458
 459        int asrc_rate;
 460        int asrc_width;
 461
 462        u32 regcache_cfg;
 463};
 464
 465#define DRV_NAME "fsl-asrc-dai"
 466extern struct snd_soc_component_driver fsl_asrc_component;
 467struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir);
 468#endif /* _FSL_ASRC_H */
 469