1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * fsl_asrc.h - Freescale ASRC ALSA SoC header file 4 * 5 * Copyright (C) 2014 Freescale Semiconductor, Inc. 6 * 7 * Author: Nicolin Chen <nicoleotsuka@gmail.com> 8 */ 9 10 #ifndef _FSL_ASRC_H 11 #define _FSL_ASRC_H 12 13 #define IN 0 14 #define OUT 1 15 16 #define ASRC_DMA_BUFFER_NUM 2 17 #define ASRC_INPUTFIFO_THRESHOLD 32 18 #define ASRC_OUTPUTFIFO_THRESHOLD 32 19 #define ASRC_FIFO_THRESHOLD_MIN 0 20 #define ASRC_FIFO_THRESHOLD_MAX 63 21 #define ASRC_DMA_BUFFER_SIZE (1024 * 48 * 4) 22 #define ASRC_MAX_BUFFER_SIZE (1024 * 48) 23 #define ASRC_OUTPUT_LAST_SAMPLE 8 24 25 #define IDEAL_RATIO_RATE 1000000 26 27 #define REG_ASRCTR 0x00 28 #define REG_ASRIER 0x04 29 #define REG_ASRCNCR 0x0C 30 #define REG_ASRCFG 0x10 31 #define REG_ASRCSR 0x14 32 33 #define REG_ASRCDR1 0x18 34 #define REG_ASRCDR2 0x1C 35 #define REG_ASRCDR(i) ((i < 2) ? REG_ASRCDR1 : REG_ASRCDR2) 36 37 #define REG_ASRSTR 0x20 38 #define REG_ASRRA 0x24 39 #define REG_ASRRB 0x28 40 #define REG_ASRRC 0x2C 41 #define REG_ASRPM1 0x40 42 #define REG_ASRPM2 0x44 43 #define REG_ASRPM3 0x48 44 #define REG_ASRPM4 0x4C 45 #define REG_ASRPM5 0x50 46 #define REG_ASRTFR1 0x54 47 #define REG_ASRCCR 0x5C 48 49 #define REG_ASRDIA 0x60 50 #define REG_ASRDOA 0x64 51 #define REG_ASRDIB 0x68 52 #define REG_ASRDOB 0x6C 53 #define REG_ASRDIC 0x70 54 #define REG_ASRDOC 0x74 55 #define REG_ASRDI(i) (REG_ASRDIA + (i << 3)) 56 #define REG_ASRDO(i) (REG_ASRDOA + (i << 3)) 57 #define REG_ASRDx(x, i) ((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i)) 58 59 #define REG_ASRIDRHA 0x80 60 #define REG_ASRIDRLA 0x84 61 #define REG_ASRIDRHB 0x88 62 #define REG_ASRIDRLB 0x8C 63 #define REG_ASRIDRHC 0x90 64 #define REG_ASRIDRLC 0x94 65 #define REG_ASRIDRH(i) (REG_ASRIDRHA + (i << 3)) 66 #define REG_ASRIDRL(i) (REG_ASRIDRLA + (i << 3)) 67 68 #define REG_ASR76K 0x98 69 #define REG_ASR56K 0x9C 70 71 #define REG_ASRMCRA 0xA0 72 #define REG_ASRFSTA 0xA4 73 #define REG_ASRMCRB 0xA8 74 #define REG_ASRFSTB 0xAC 75 #define REG_ASRMCRC 0xB0 76 #define REG_ASRFSTC 0xB4 77 #define REG_ASRMCR(i) (REG_ASRMCRA + (i << 3)) 78 #define REG_ASRFST(i) (REG_ASRFSTA + (i << 3)) 79 80 #define REG_ASRMCR1A 0xC0 81 #define REG_ASRMCR1B 0xC4 82 #define REG_ASRMCR1C 0xC8 83 #define REG_ASRMCR1(i) (REG_ASRMCR1A + (i << 2)) 84 85 86 /* REG0 0x00 REG_ASRCTR */ 87 #define ASRCTR_ATSi_SHIFT(i) (20 + i) 88 #define ASRCTR_ATSi_MASK(i) (1 << ASRCTR_ATSi_SHIFT(i)) 89 #define ASRCTR_ATS(i) (1 << ASRCTR_ATSi_SHIFT(i)) 90 #define ASRCTR_USRi_SHIFT(i) (14 + (i << 1)) 91 #define ASRCTR_USRi_MASK(i) (1 << ASRCTR_USRi_SHIFT(i)) 92 #define ASRCTR_USR(i) (1 << ASRCTR_USRi_SHIFT(i)) 93 #define ASRCTR_IDRi_SHIFT(i) (13 + (i << 1)) 94 #define ASRCTR_IDRi_MASK(i) (1 << ASRCTR_IDRi_SHIFT(i)) 95 #define ASRCTR_IDR(i) (1 << ASRCTR_IDRi_SHIFT(i)) 96 #define ASRCTR_SRST_SHIFT 4 97 #define ASRCTR_SRST_MASK (1 << ASRCTR_SRST_SHIFT) 98 #define ASRCTR_SRST (1 << ASRCTR_SRST_SHIFT) 99 #define ASRCTR_ASRCEi_SHIFT(i) (1 + i) 100 #define ASRCTR_ASRCEi_MASK(i) (1 << ASRCTR_ASRCEi_SHIFT(i)) 101 #define ASRCTR_ASRCE(i) (1 << ASRCTR_ASRCEi_SHIFT(i)) 102 #define ASRCTR_ASRCEi_ALL_MASK (0x7 << ASRCTR_ASRCEi_SHIFT(0)) 103 #define ASRCTR_ASRCEN_SHIFT 0 104 #define ASRCTR_ASRCEN_MASK (1 << ASRCTR_ASRCEN_SHIFT) 105 #define ASRCTR_ASRCEN (1 << ASRCTR_ASRCEN_SHIFT) 106 107 /* REG1 0x04 REG_ASRIER */ 108 #define ASRIER_AFPWE_SHIFT 7 109 #define ASRIER_AFPWE_MASK (1 << ASRIER_AFPWE_SHIFT) 110 #define ASRIER_AFPWE (1 << ASRIER_AFPWE_SHIFT) 111 #define ASRIER_AOLIE_SHIFT 6 112 #define ASRIER_AOLIE_MASK (1 << ASRIER_AOLIE_SHIFT) 113 #define ASRIER_AOLIE (1 << ASRIER_AOLIE_SHIFT) 114 #define ASRIER_ADOEi_SHIFT(i) (3 + i) 115 #define ASRIER_ADOEi_MASK(i) (1 << ASRIER_ADOEi_SHIFT(i)) 116 #define ASRIER_ADOE(i) (1 << ASRIER_ADOEi_SHIFT(i)) 117 #define ASRIER_ADIEi_SHIFT(i) (0 + i) 118 #define ASRIER_ADIEi_MASK(i) (1 << ASRIER_ADIEi_SHIFT(i)) 119 #define ASRIER_ADIE(i) (1 << ASRIER_ADIEi_SHIFT(i)) 120 121 /* REG2 0x0C REG_ASRCNCR */ 122 #define ASRCNCR_ANCi_SHIFT(i, b) (b * i) 123 #define ASRCNCR_ANCi_MASK(i, b) (((1 << b) - 1) << ASRCNCR_ANCi_SHIFT(i, b)) 124 #define ASRCNCR_ANCi(i, v, b) ((v << ASRCNCR_ANCi_SHIFT(i, b)) & ASRCNCR_ANCi_MASK(i, b)) 125 126 /* REG3 0x10 REG_ASRCFG */ 127 #define ASRCFG_INIRQi_SHIFT(i) (21 + i) 128 #define ASRCFG_INIRQi_MASK(i) (1 << ASRCFG_INIRQi_SHIFT(i)) 129 #define ASRCFG_INIRQi (1 << ASRCFG_INIRQi_SHIFT(i)) 130 #define ASRCFG_NDPRi_SHIFT(i) (18 + i) 131 #define ASRCFG_NDPRi_MASK(i) (1 << ASRCFG_NDPRi_SHIFT(i)) 132 #define ASRCFG_NDPRi_ALL_SHIFT 18 133 #define ASRCFG_NDPRi_ALL_MASK (7 << ASRCFG_NDPRi_ALL_SHIFT) 134 #define ASRCFG_NDPRi (1 << ASRCFG_NDPRi_SHIFT(i)) 135 #define ASRCFG_POSTMODi_SHIFT(i) (8 + (i << 2)) 136 #define ASRCFG_POSTMODi_WIDTH 2 137 #define ASRCFG_POSTMODi_MASK(i) (((1 << ASRCFG_POSTMODi_WIDTH) - 1) << ASRCFG_POSTMODi_SHIFT(i)) 138 #define ASRCFG_POSTMODi_ALL_MASK (ASRCFG_POSTMODi_MASK(0) | ASRCFG_POSTMODi_MASK(1) | ASRCFG_POSTMODi_MASK(2)) 139 #define ASRCFG_POSTMOD(i, v) ((v) << ASRCFG_POSTMODi_SHIFT(i)) 140 #define ASRCFG_POSTMODi_UP(i) (0 << ASRCFG_POSTMODi_SHIFT(i)) 141 #define ASRCFG_POSTMODi_DCON(i) (1 << ASRCFG_POSTMODi_SHIFT(i)) 142 #define ASRCFG_POSTMODi_DOWN(i) (2 << ASRCFG_POSTMODi_SHIFT(i)) 143 #define ASRCFG_PREMODi_SHIFT(i) (6 + (i << 2)) 144 #define ASRCFG_PREMODi_WIDTH 2 145 #define ASRCFG_PREMODi_MASK(i) (((1 << ASRCFG_PREMODi_WIDTH) - 1) << ASRCFG_PREMODi_SHIFT(i)) 146 #define ASRCFG_PREMODi_ALL_MASK (ASRCFG_PREMODi_MASK(0) | ASRCFG_PREMODi_MASK(1) | ASRCFG_PREMODi_MASK(2)) 147 #define ASRCFG_PREMOD(i, v) ((v) << ASRCFG_PREMODi_SHIFT(i)) 148 #define ASRCFG_PREMODi_UP(i) (0 << ASRCFG_PREMODi_SHIFT(i)) 149 #define ASRCFG_PREMODi_DCON(i) (1 << ASRCFG_PREMODi_SHIFT(i)) 150 #define ASRCFG_PREMODi_DOWN(i) (2 << ASRCFG_PREMODi_SHIFT(i)) 151 #define ASRCFG_PREMODi_BYPASS(i) (3 << ASRCFG_PREMODi_SHIFT(i)) 152 153 /* REG4 0x14 REG_ASRCSR */ 154 #define ASRCSR_AxCSi_WIDTH 4 155 #define ASRCSR_AxCSi_MASK ((1 << ASRCSR_AxCSi_WIDTH) - 1) 156 #define ASRCSR_AOCSi_SHIFT(i) (12 + (i << 2)) 157 #define ASRCSR_AOCSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AOCSi_SHIFT(i)) 158 #define ASRCSR_AOCS(i, v) ((v) << ASRCSR_AOCSi_SHIFT(i)) 159 #define ASRCSR_AICSi_SHIFT(i) (i << 2) 160 #define ASRCSR_AICSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AICSi_SHIFT(i)) 161 #define ASRCSR_AICS(i, v) ((v) << ASRCSR_AICSi_SHIFT(i)) 162 163 /* REG5&6 0x18 & 0x1C REG_ASRCDR1 & ASRCDR2 */ 164 #define ASRCDRi_AxCPi_WIDTH 3 165 #define ASRCDRi_AICPi_SHIFT(i) (0 + (i % 2) * 6) 166 #define ASRCDRi_AICPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICPi_SHIFT(i)) 167 #define ASRCDRi_AICP(i, v) ((v) << ASRCDRi_AICPi_SHIFT(i)) 168 #define ASRCDRi_AICDi_SHIFT(i) (3 + (i % 2) * 6) 169 #define ASRCDRi_AICDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICDi_SHIFT(i)) 170 #define ASRCDRi_AICD(i, v) ((v) << ASRCDRi_AICDi_SHIFT(i)) 171 #define ASRCDRi_AOCPi_SHIFT(i) ((i < 2) ? 12 + i * 6 : 6) 172 #define ASRCDRi_AOCPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCPi_SHIFT(i)) 173 #define ASRCDRi_AOCP(i, v) ((v) << ASRCDRi_AOCPi_SHIFT(i)) 174 #define ASRCDRi_AOCDi_SHIFT(i) ((i < 2) ? 15 + i * 6 : 9) 175 #define ASRCDRi_AOCDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCDi_SHIFT(i)) 176 #define ASRCDRi_AOCD(i, v) ((v) << ASRCDRi_AOCDi_SHIFT(i)) 177 178 /* REG7 0x20 REG_ASRSTR */ 179 #define ASRSTR_DSLCNT_SHIFT 21 180 #define ASRSTR_DSLCNT_MASK (1 << ASRSTR_DSLCNT_SHIFT) 181 #define ASRSTR_DSLCNT (1 << ASRSTR_DSLCNT_SHIFT) 182 #define ASRSTR_ATQOL_SHIFT 20 183 #define ASRSTR_ATQOL_MASK (1 << ASRSTR_ATQOL_SHIFT) 184 #define ASRSTR_ATQOL (1 << ASRSTR_ATQOL_SHIFT) 185 #define ASRSTR_AOOLi_SHIFT(i) (17 + i) 186 #define ASRSTR_AOOLi_MASK(i) (1 << ASRSTR_AOOLi_SHIFT(i)) 187 #define ASRSTR_AOOL(i) (1 << ASRSTR_AOOLi_SHIFT(i)) 188 #define ASRSTR_AIOLi_SHIFT(i) (14 + i) 189 #define ASRSTR_AIOLi_MASK(i) (1 << ASRSTR_AIOLi_SHIFT(i)) 190 #define ASRSTR_AIOL(i) (1 << ASRSTR_AIOLi_SHIFT(i)) 191 #define ASRSTR_AODOi_SHIFT(i) (11 + i) 192 #define ASRSTR_AODOi_MASK(i) (1 << ASRSTR_AODOi_SHIFT(i)) 193 #define ASRSTR_AODO(i) (1 << ASRSTR_AODOi_SHIFT(i)) 194 #define ASRSTR_AIDUi_SHIFT(i) (8 + i) 195 #define ASRSTR_AIDUi_MASK(i) (1 << ASRSTR_AIDUi_SHIFT(i)) 196 #define ASRSTR_AIDU(i) (1 << ASRSTR_AIDUi_SHIFT(i)) 197 #define ASRSTR_FPWT_SHIFT 7 198 #define ASRSTR_FPWT_MASK (1 << ASRSTR_FPWT_SHIFT) 199 #define ASRSTR_FPWT (1 << ASRSTR_FPWT_SHIFT) 200 #define ASRSTR_AOLE_SHIFT 6 201 #define ASRSTR_AOLE_MASK (1 << ASRSTR_AOLE_SHIFT) 202 #define ASRSTR_AOLE (1 << ASRSTR_AOLE_SHIFT) 203 #define ASRSTR_AODEi_SHIFT(i) (3 + i) 204 #define ASRSTR_AODFi_MASK(i) (1 << ASRSTR_AODEi_SHIFT(i)) 205 #define ASRSTR_AODF(i) (1 << ASRSTR_AODEi_SHIFT(i)) 206 #define ASRSTR_AIDEi_SHIFT(i) (0 + i) 207 #define ASRSTR_AIDEi_MASK(i) (1 << ASRSTR_AIDEi_SHIFT(i)) 208 #define ASRSTR_AIDE(i) (1 << ASRSTR_AIDEi_SHIFT(i)) 209 210 /* REG10 0x54 REG_ASRTFR1 */ 211 #define ASRTFR1_TF_BASE_WIDTH 7 212 #define ASRTFR1_TF_BASE_SHIFT 6 213 #define ASRTFR1_TF_BASE_MASK (((1 << ASRTFR1_TF_BASE_WIDTH) - 1) << ASRTFR1_TF_BASE_SHIFT) 214 #define ASRTFR1_TF_BASE(i) ((i) << ASRTFR1_TF_BASE_SHIFT) 215 216 /* 217 * REG22 0xA0 REG_ASRMCRA 218 * REG24 0xA8 REG_ASRMCRB 219 * REG26 0xB0 REG_ASRMCRC 220 */ 221 #define ASRMCRi_ZEROBUFi_SHIFT 23 222 #define ASRMCRi_ZEROBUFi_MASK (1 << ASRMCRi_ZEROBUFi_SHIFT) 223 #define ASRMCRi_ZEROBUFi (1 << ASRMCRi_ZEROBUFi_SHIFT) 224 #define ASRMCRi_EXTTHRSHi_SHIFT 22 225 #define ASRMCRi_EXTTHRSHi_MASK (1 << ASRMCRi_EXTTHRSHi_SHIFT) 226 #define ASRMCRi_EXTTHRSHi (1 << ASRMCRi_EXTTHRSHi_SHIFT) 227 #define ASRMCRi_BUFSTALLi_SHIFT 21 228 #define ASRMCRi_BUFSTALLi_MASK (1 << ASRMCRi_BUFSTALLi_SHIFT) 229 #define ASRMCRi_BUFSTALLi (1 << ASRMCRi_BUFSTALLi_SHIFT) 230 #define ASRMCRi_BYPASSPOLYi_SHIFT 20 231 #define ASRMCRi_BYPASSPOLYi_MASK (1 << ASRMCRi_BYPASSPOLYi_SHIFT) 232 #define ASRMCRi_BYPASSPOLYi (1 << ASRMCRi_BYPASSPOLYi_SHIFT) 233 #define ASRMCRi_OUTFIFO_THRESHOLD_WIDTH 6 234 #define ASRMCRi_OUTFIFO_THRESHOLD_SHIFT 12 235 #define ASRMCRi_OUTFIFO_THRESHOLD_MASK (((1 << ASRMCRi_OUTFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT) 236 #define ASRMCRi_OUTFIFO_THRESHOLD(v) (((v) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT) & ASRMCRi_OUTFIFO_THRESHOLD_MASK) 237 #define ASRMCRi_RSYNIFi_SHIFT 11 238 #define ASRMCRi_RSYNIFi_MASK (1 << ASRMCRi_RSYNIFi_SHIFT) 239 #define ASRMCRi_RSYNIFi (1 << ASRMCRi_RSYNIFi_SHIFT) 240 #define ASRMCRi_RSYNOFi_SHIFT 10 241 #define ASRMCRi_RSYNOFi_MASK (1 << ASRMCRi_RSYNOFi_SHIFT) 242 #define ASRMCRi_RSYNOFi (1 << ASRMCRi_RSYNOFi_SHIFT) 243 #define ASRMCRi_INFIFO_THRESHOLD_WIDTH 6 244 #define ASRMCRi_INFIFO_THRESHOLD_SHIFT 0 245 #define ASRMCRi_INFIFO_THRESHOLD_MASK (((1 << ASRMCRi_INFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_INFIFO_THRESHOLD_SHIFT) 246 #define ASRMCRi_INFIFO_THRESHOLD(v) (((v) << ASRMCRi_INFIFO_THRESHOLD_SHIFT) & ASRMCRi_INFIFO_THRESHOLD_MASK) 247 248 /* 249 * REG23 0xA4 REG_ASRFSTA 250 * REG25 0xAC REG_ASRFSTB 251 * REG27 0xB4 REG_ASRFSTC 252 */ 253 #define ASRFSTi_OAFi_SHIFT 23 254 #define ASRFSTi_OAFi_MASK (1 << ASRFSTi_OAFi_SHIFT) 255 #define ASRFSTi_OAFi (1 << ASRFSTi_OAFi_SHIFT) 256 #define ASRFSTi_OUTPUT_FIFO_WIDTH 7 257 #define ASRFSTi_OUTPUT_FIFO_SHIFT 12 258 #define ASRFSTi_OUTPUT_FIFO_MASK (((1 << ASRFSTi_OUTPUT_FIFO_WIDTH) - 1) << ASRFSTi_OUTPUT_FIFO_SHIFT) 259 #define ASRFSTi_IAEi_SHIFT 11 260 #define ASRFSTi_IAEi_MASK (1 << ASRFSTi_IAEi_SHIFT) 261 #define ASRFSTi_IAEi (1 << ASRFSTi_IAEi_SHIFT) 262 #define ASRFSTi_INPUT_FIFO_WIDTH 7 263 #define ASRFSTi_INPUT_FIFO_SHIFT 0 264 #define ASRFSTi_INPUT_FIFO_MASK ((1 << ASRFSTi_INPUT_FIFO_WIDTH) - 1) 265 266 /* REG28 0xC0 & 0xC4 & 0xC8 REG_ASRMCR1i */ 267 #define ASRMCR1i_IWD_WIDTH 3 268 #define ASRMCR1i_IWD_SHIFT 9 269 #define ASRMCR1i_IWD_MASK (((1 << ASRMCR1i_IWD_WIDTH) - 1) << ASRMCR1i_IWD_SHIFT) 270 #define ASRMCR1i_IWD(v) ((v) << ASRMCR1i_IWD_SHIFT) 271 #define ASRMCR1i_IMSB_SHIFT 8 272 #define ASRMCR1i_IMSB_MASK (1 << ASRMCR1i_IMSB_SHIFT) 273 #define ASRMCR1i_IMSB_MSB (1 << ASRMCR1i_IMSB_SHIFT) 274 #define ASRMCR1i_IMSB_LSB (0 << ASRMCR1i_IMSB_SHIFT) 275 #define ASRMCR1i_OMSB_SHIFT 2 276 #define ASRMCR1i_OMSB_MASK (1 << ASRMCR1i_OMSB_SHIFT) 277 #define ASRMCR1i_OMSB_MSB (1 << ASRMCR1i_OMSB_SHIFT) 278 #define ASRMCR1i_OMSB_LSB (0 << ASRMCR1i_OMSB_SHIFT) 279 #define ASRMCR1i_OSGN_SHIFT 1 280 #define ASRMCR1i_OSGN_MASK (1 << ASRMCR1i_OSGN_SHIFT) 281 #define ASRMCR1i_OSGN (1 << ASRMCR1i_OSGN_SHIFT) 282 #define ASRMCR1i_OW16_SHIFT 0 283 #define ASRMCR1i_OW16_MASK (1 << ASRMCR1i_OW16_SHIFT) 284 #define ASRMCR1i_OW16(v) ((v) << ASRMCR1i_OW16_SHIFT) 285 286 287 enum asrc_pair_index { 288 ASRC_INVALID_PAIR = -1, 289 ASRC_PAIR_A = 0, 290 ASRC_PAIR_B = 1, 291 ASRC_PAIR_C = 2, 292 }; 293 294 #define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1) 295 296 enum asrc_inclk { 297 INCLK_NONE = 0x03, 298 INCLK_ESAI_RX = 0x00, 299 INCLK_SSI1_RX = 0x01, 300 INCLK_SSI2_RX = 0x02, 301 INCLK_SSI3_RX = 0x07, 302 INCLK_SPDIF_RX = 0x04, 303 INCLK_MLB_CLK = 0x05, 304 INCLK_PAD = 0x06, 305 INCLK_ESAI_TX = 0x08, 306 INCLK_SSI1_TX = 0x09, 307 INCLK_SSI2_TX = 0x0a, 308 INCLK_SSI3_TX = 0x0b, 309 INCLK_SPDIF_TX = 0x0c, 310 INCLK_ASRCK1_CLK = 0x0f, 311 }; 312 313 enum asrc_outclk { 314 OUTCLK_NONE = 0x03, 315 OUTCLK_ESAI_TX = 0x00, 316 OUTCLK_SSI1_TX = 0x01, 317 OUTCLK_SSI2_TX = 0x02, 318 OUTCLK_SSI3_TX = 0x07, 319 OUTCLK_SPDIF_TX = 0x04, 320 OUTCLK_MLB_CLK = 0x05, 321 OUTCLK_PAD = 0x06, 322 OUTCLK_ESAI_RX = 0x08, 323 OUTCLK_SSI1_RX = 0x09, 324 OUTCLK_SSI2_RX = 0x0a, 325 OUTCLK_SSI3_RX = 0x0b, 326 OUTCLK_SPDIF_RX = 0x0c, 327 OUTCLK_ASRCK1_CLK = 0x0f, 328 }; 329 330 #define ASRC_CLK_MAX_NUM 16 331 332 enum asrc_word_width { 333 ASRC_WIDTH_24_BIT = 0, 334 ASRC_WIDTH_16_BIT = 1, 335 ASRC_WIDTH_8_BIT = 2, 336 }; 337 338 struct asrc_config { 339 enum asrc_pair_index pair; 340 unsigned int channel_num; 341 unsigned int buffer_num; 342 unsigned int dma_buffer_size; 343 unsigned int input_sample_rate; 344 unsigned int output_sample_rate; 345 enum asrc_word_width input_word_width; 346 enum asrc_word_width output_word_width; 347 enum asrc_inclk inclk; 348 enum asrc_outclk outclk; 349 }; 350 351 struct asrc_req { 352 unsigned int chn_num; 353 enum asrc_pair_index index; 354 }; 355 356 struct asrc_querybuf { 357 unsigned int buffer_index; 358 unsigned int input_length; 359 unsigned int output_length; 360 unsigned long input_offset; 361 unsigned long output_offset; 362 }; 363 364 struct asrc_convert_buffer { 365 void *input_buffer_vaddr; 366 void *output_buffer_vaddr; 367 unsigned int input_buffer_length; 368 unsigned int output_buffer_length; 369 }; 370 371 struct asrc_status_flags { 372 enum asrc_pair_index index; 373 unsigned int overload_error; 374 }; 375 376 enum asrc_error_status { 377 ASRC_TASK_Q_OVERLOAD = 0x01, 378 ASRC_OUTPUT_TASK_OVERLOAD = 0x02, 379 ASRC_INPUT_TASK_OVERLOAD = 0x04, 380 ASRC_OUTPUT_BUFFER_OVERFLOW = 0x08, 381 ASRC_INPUT_BUFFER_UNDERRUN = 0x10, 382 }; 383 384 struct dma_block { 385 dma_addr_t dma_paddr; 386 void *dma_vaddr; 387 unsigned int length; 388 }; 389 390 /** 391 * fsl_asrc_pair: ASRC Pair private data 392 * 393 * @asrc_priv: pointer to its parent module 394 * @config: configuration profile 395 * @error: error record 396 * @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C) 397 * @channels: occupied channel number 398 * @desc: input and output dma descriptors 399 * @dma_chan: inputer and output DMA channels 400 * @dma_data: private dma data 401 * @pos: hardware pointer position 402 * @private: pair private area 403 */ 404 struct fsl_asrc_pair { 405 struct fsl_asrc *asrc_priv; 406 struct asrc_config *config; 407 unsigned int error; 408 409 enum asrc_pair_index index; 410 unsigned int channels; 411 412 struct dma_async_tx_descriptor *desc[2]; 413 struct dma_chan *dma_chan[2]; 414 struct imx_dma_data dma_data; 415 unsigned int pos; 416 417 void *private; 418 }; 419 420 /** 421 * fsl_asrc_pair: ASRC private data 422 * 423 * @dma_params_rx: DMA parameters for receive channel 424 * @dma_params_tx: DMA parameters for transmit channel 425 * @pdev: platform device pointer 426 * @regmap: regmap handler 427 * @paddr: physical address to the base address of registers 428 * @mem_clk: clock source to access register 429 * @ipg_clk: clock source to drive peripheral 430 * @spba_clk: SPBA clock (optional, depending on SoC design) 431 * @asrck_clk: clock sources to driver ASRC internal logic 432 * @lock: spin lock for resource protection 433 * @pair: pair pointers 434 * @channel_bits: width of ASRCNCR register for each pair 435 * @channel_avail: non-occupied channel numbers 436 * @asrc_rate: default sample rate for ASoC Back-Ends 437 * @asrc_width: default sample width for ASoC Back-Ends 438 * @regcache_cfg: store register value of REG_ASRCFG 439 */ 440 struct fsl_asrc { 441 struct snd_dmaengine_dai_dma_data dma_params_rx; 442 struct snd_dmaengine_dai_dma_data dma_params_tx; 443 struct platform_device *pdev; 444 struct regmap *regmap; 445 unsigned long paddr; 446 struct clk *mem_clk; 447 struct clk *ipg_clk; 448 struct clk *spba_clk; 449 struct clk *asrck_clk[ASRC_CLK_MAX_NUM]; 450 spinlock_t lock; 451 452 struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM]; 453 unsigned int channel_bits; 454 unsigned int channel_avail; 455 456 int asrc_rate; 457 int asrc_width; 458 459 u32 regcache_cfg; 460 }; 461 462 #define DRV_NAME "fsl-asrc-dai" 463 extern struct snd_soc_component_driver fsl_asrc_component; 464 struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir); 465 #endif /* _FSL_ASRC_H */ 466