firmware/export/pcm_sampr.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Michael Sevakis
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef PCM_SAMPR_H
  23 #define PCM_SAMPR_H
  24
  25 #ifndef HW_SAMPR_CAPS
  26 #define HW_SAMPR_CAPS SAMPR_CAP_44 /* if not defined, default to 44100 */
  27 #endif
  28
  29 /* These must be macros for comparison with SAMPR_CAP_* flags by the
  30    preprocessor. Add samplerate index in descending order renumbering
  31    the ones later in the list if any */
  32 #define FREQ_96          0
  33 #define FREQ_88          1
  34 #define FREQ_64          2
  35 #define FREQ_48          3
  36 #define FREQ_44          4
  37 #define FREQ_32          5
  38 #define FREQ_24          6
  39 #define FREQ_22          7
  40 #define FREQ_16          8
  41 #define FREQ_12          9
  42 #define FREQ_11         10
  43 #define FREQ_8          11
  44 #define SAMPR_NUM_FREQ  12
  45
  46 /* sample rate values in HZ */
  47 #define SAMPR_96        96000
  48 #define SAMPR_88        88200
  49 #define SAMPR_64        64000
  50 #define SAMPR_48        48000
  51 #define SAMPR_44        44100
  52 #define SAMPR_32        32000
  53 #define SAMPR_24        24000
  54 #define SAMPR_22        22050
  55 #define SAMPR_16        16000
  56 #define SAMPR_12        12000
  57 #define SAMPR_11        11025
  58 #define SAMPR_8          8000
  59
  60 /* sample rate capability bits */
  61 #define SAMPR_CAP_96    (1 << FREQ_96)
  62 #define SAMPR_CAP_88    (1 << FREQ_88)
  63 #define SAMPR_CAP_64    (1 << FREQ_64)
  64 #define SAMPR_CAP_48    (1 << FREQ_48)
  65 #define SAMPR_CAP_44    (1 << FREQ_44)
  66 #define SAMPR_CAP_32    (1 << FREQ_32)
  67 #define SAMPR_CAP_24    (1 << FREQ_24)
  68 #define SAMPR_CAP_22    (1 << FREQ_22)
  69 #define SAMPR_CAP_16    (1 << FREQ_16)
  70 #define SAMPR_CAP_12    (1 << FREQ_12)
  71 #define SAMPR_CAP_11    (1 << FREQ_11)
  72 #define SAMPR_CAP_8     (1 << FREQ_8)
  73 #define SAMPR_CAP_ALL   (SAMPR_CAP_96 | SAMPR_CAP_88 | SAMPR_CAP_64 | \
  74                          SAMPR_CAP_48 | SAMPR_CAP_44 | SAMPR_CAP_32 | \
  75                          SAMPR_CAP_24 | SAMPR_CAP_22 | SAMPR_CAP_16 | \
  76                          SAMPR_CAP_12 | SAMPR_CAP_11 | SAMPR_CAP_8)
  77
  78 /* Master list of all "standard" rates supported. */
  79 extern const unsigned long audio_master_sampr_list[SAMPR_NUM_FREQ];
  80
  81 /** Hardware sample rates **/
  82
  83 /* Enumeration of supported frequencies where 0 is the highest rate
  84    supported and REC_NUM_FREQUENCIES is the number available */
  85 enum hw_freq_indexes
  86 {
  87     __HW_FREQ_START_INDEX = -1, /* Make sure first in list is 0 */
  88
  89 /* 96000 */
  90 #if (HW_SAMPR_CAPS & SAMPR_CAP_96)     /* Macros and enums for each FREQ: */
  91     HW_FREQ_96,                        /* Index in enumeration */
  92 #define HW_HAVE_96                     /* Defined if this FREQ is defined */
  93 #define HW_HAVE_96_(...) __VA_ARGS__   /* Output its parameters for this FREQ */
  94 #else
  95 #define HW_HAVE_96_(...)               /* Discards its parameters for this FREQ */
  96 #endif
  97 /* 88200 */
  98 #if (HW_SAMPR_CAPS & SAMPR_CAP_88)
  99     HW_FREQ_88,
 100 #define HW_HAVE_88
 101 #define HW_HAVE_88_(...) __VA_ARGS__
 102 #else
 103 #define HW_HAVE_88_(...)
 104 #endif
 105 /* 64000 */
 106 #if (HW_SAMPR_CAPS & SAMPR_CAP_64)
 107     HW_FREQ_64,
 108 #define HW_HAVE_64
 109 #define HW_HAVE_64_(...) __VA_ARGS__
 110 #else
 111 #define HW_HAVE_64_(...)
 112 #endif
 113 /* 48000 */
 114 #if (HW_SAMPR_CAPS & SAMPR_CAP_48)
 115     HW_FREQ_48,
 116 #define HW_HAVE_48
 117 #define HW_HAVE_48_(...) __VA_ARGS__
 118 #else
 119 #define HW_HAVE_48_(...)
 120 #endif
 121 /* 44100 */
 122 #if (HW_SAMPR_CAPS & SAMPR_CAP_44)
 123     HW_FREQ_44,
 124 #define HW_HAVE_44
 125 #define HW_HAVE_44_(...) __VA_ARGS__
 126 #else
 127 #define HW_HAVE_44_(...)
 128 #endif
 129 /* 32000 */
 130 #if (HW_SAMPR_CAPS & SAMPR_CAP_32)
 131     HW_FREQ_32,
 132 #define HW_HAVE_32
 133 #define HW_HAVE_32_(...) __VA_ARGS__
 134 #else
 135 #define HW_HAVE_32_(...)
 136 #endif
 137 /* 24000 */
 138 #if (HW_SAMPR_CAPS & SAMPR_CAP_24)
 139     HW_FREQ_24,
 140 #define HW_HAVE_24
 141 #define HW_HAVE_24_(...) __VA_ARGS__
 142 #else
 143 #define HW_HAVE_24_(...)
 144 #endif
 145 /* 22050 */
 146 #if (HW_SAMPR_CAPS & SAMPR_CAP_22)
 147     HW_FREQ_22,
 148 #define HW_HAVE_22
 149 #define HW_HAVE_22_(...) __VA_ARGS__
 150 #else
 151 #define HW_HAVE_22_(...)
 152 #endif
 153 /* 16000 */
 154 #if (HW_SAMPR_CAPS & SAMPR_CAP_16)
 155     HW_FREQ_16,
 156 #define HW_HAVE_16
 157 #define HW_HAVE_16_(...) __VA_ARGS__
 158 #else
 159 #define HW_HAVE_16_(...)
 160 #endif
 161 /* 12000 */
 162 #if (HW_SAMPR_CAPS & SAMPR_CAP_12)
 163     HW_FREQ_12,
 164 #define HW_HAVE_12
 165 #define HW_HAVE_12_(...) __VA_ARGS__
 166 #else
 167 #define HW_HAVE_12_(...)
 168 #endif
 169 /* 11025 */
 170 #if (HW_SAMPR_CAPS & SAMPR_CAP_11)
 171     HW_FREQ_11,
 172 #define HW_HAVE_11
 173 #define HW_HAVE_11_(...) __VA_ARGS__
 174 #else
 175 #define HW_HAVE_11_(...)
 176 #endif
 177 /* 8000 */
 178 #if (HW_SAMPR_CAPS & SAMPR_CAP_8 )
 179     HW_FREQ_8,
 180 #define HW_HAVE_8
 181 #define HW_HAVE_8_(...) __VA_ARGS__
 182 #else
 183 #define HW_HAVE_8_(...)
 184 #endif
 185     HW_NUM_FREQ,
 186     HW_FREQ_DEFAULT = HW_FREQ_44,
 187     HW_SAMPR_DEFAULT = SAMPR_44,
 188 }; /* enum hw_freq_indexes */
 189
 190 /* list of hardware sample rates */
 191 extern const unsigned long hw_freq_sampr[HW_NUM_FREQ];
 192
 193 #ifdef HAVE_RECORDING
 194 /* Enumeration of supported frequencies where 0 is the highest rate
 195    supported and REC_NUM_FREQUENCIES is the number available */
 196 enum rec_freq_indexes
 197 {
 198     __REC_FREQ_START_INDEX = -1, /* Make sure first in list is 0 */
 199
 200 /* 96000 */
 201 #if (REC_SAMPR_CAPS & SAMPR_CAP_96)     /* Macros and enums for each FREQ: */
 202     REC_FREQ_96,                        /* Index in enumeration */
 203 #define REC_HAVE_96                     /* Defined if this FREQ is defined */
 204 #define REC_HAVE_96_(...) __VA_ARGS__   /* Output its parameters for this FREQ */
 205 #else
 206 #define REC_HAVE_96_(...)               /* Discards its parameters for this FREQ */
 207 #endif
 208 /* 88200 */
 209 #if (REC_SAMPR_CAPS & SAMPR_CAP_88)
 210     REC_FREQ_88,
 211 #define REC_HAVE_88
 212 #define REC_HAVE_88_(...) __VA_ARGS__
 213 #else
 214 #define REC_HAVE_88_(...)
 215 #endif
 216 /* 64000 */
 217 #if (REC_SAMPR_CAPS & SAMPR_CAP_64)
 218     REC_FREQ_64,
 219 #define REC_HAVE_64
 220 #define REC_HAVE_64_(...) __VA_ARGS__
 221 #else
 222 #define REC_HAVE_64_(...)
 223 #endif
 224 /* 48000 */
 225 #if (REC_SAMPR_CAPS & SAMPR_CAP_48)
 226     REC_FREQ_48,
 227 #define REC_HAVE_48
 228 #define REC_HAVE_48_(...) __VA_ARGS__
 229 #else
 230 #define REC_HAVE_48_(...)
 231 #endif
 232 /* 44100 */
 233 #if (REC_SAMPR_CAPS & SAMPR_CAP_44)
 234     REC_FREQ_44,
 235 #define REC_HAVE_44
 236 #define REC_HAVE_44_(...) __VA_ARGS__
 237 #else
 238 #define REC_HAVE_44_(...)
 239 #endif
 240 /* 32000 */
 241 #if (REC_SAMPR_CAPS & SAMPR_CAP_32)
 242     REC_FREQ_32,
 243 #define REC_HAVE_32
 244 #define REC_HAVE_32_(...) __VA_ARGS__
 245 #else
 246 #define REC_HAVE_32_(...)
 247 #endif
 248 /* 24000 */
 249 #if (REC_SAMPR_CAPS & SAMPR_CAP_24)
 250     REC_FREQ_24,
 251 #define REC_HAVE_24
 252 #define REC_HAVE_24_(...) __VA_ARGS__
 253 #else
 254 #define REC_HAVE_24_(...)
 255 #endif
 256 /* 22050 */
 257 #if (REC_SAMPR_CAPS & SAMPR_CAP_22)
 258     REC_FREQ_22,
 259 #define REC_HAVE_22
 260 #define REC_HAVE_22_(...) __VA_ARGS__
 261 #else
 262 #define REC_HAVE_22_(...)
 263 #endif
 264 /* 16000 */
 265 #if (REC_SAMPR_CAPS & SAMPR_CAP_16)
 266     REC_FREQ_16,
 267 #define REC_HAVE_16
 268 #define REC_HAVE_16_(...) __VA_ARGS__
 269 #else
 270 #define REC_HAVE_16_(...)
 271 #endif
 272 /* 12000 */
 273 #if (REC_SAMPR_CAPS & SAMPR_CAP_12)
 274     REC_FREQ_12,
 275 #define REC_HAVE_12
 276 #define REC_HAVE_12_(...) __VA_ARGS__
 277 #else
 278 #define REC_HAVE_12_(...)
 279 #endif
 280 /* 11025 */
 281 #if (REC_SAMPR_CAPS & SAMPR_CAP_11)
 282     REC_FREQ_11,
 283 #define REC_HAVE_11
 284 #define REC_HAVE_11_(...) __VA_ARGS__
 285 #else
 286 #define REC_HAVE_11_(...)
 287 #endif
 288 /* 8000 */
 289 #if (REC_SAMPR_CAPS & SAMPR_CAP_8 )
 290     REC_FREQ_8,
 291 #define REC_HAVE_8
 292 #define REC_HAVE_8_(...) __VA_ARGS__
 293 #else
 294 #define REC_HAVE_8_(...)
 295 #endif
 296     REC_NUM_FREQ,
 297 }; /* enum rec_freq_indexes */
 298
 299 /* Default to 44.1kHz if not otherwise specified */
 300 #ifndef REC_FREQ_DEFAULT
 301 #define REC_FREQ_DEFAULT REC_FREQ_44
 302 #endif
 303
 304 #ifndef REC_SAMPR_DEFAULT
 305 #define REC_SAMPR_DEFAULT SAMPR_44
 306 #endif
 307
 308 #define HW_SAMPR_RESET  0
 309
 310 #define REC_FREQ_CFG_VAL_LIST  &REC_HAVE_96_(",96") REC_HAVE_88_(",88") \
 311                                 REC_HAVE_64_(",64") REC_HAVE_48_(",48") \
 312                                 REC_HAVE_44_(",44") REC_HAVE_32_(",32") \
 313                                 REC_HAVE_24_(",24") REC_HAVE_22_(",22") \
 314                                 REC_HAVE_16_(",16") REC_HAVE_12_(",12") \
 315                                 REC_HAVE_11_(",11") REC_HAVE_8_(",8")[1]
 316
 317 /* List of recording supported sample rates (set or subset of master list) */
 318 extern const unsigned long rec_freq_sampr[REC_NUM_FREQ];
 319 #endif /* HAVE_RECORDING */
 320
 321 #ifdef CONFIG_SAMPR_TYPES
 322
 323 #define SAMPR_TYPE_MASK (0xff << 24)
 324 #define SAMPR_TYPE_PLAY (0x00 << 24)
 325 #ifdef HAVE_RECORDING
 326 #define SAMPR_TYPE_REC  (0x01 << 24)
 327 #endif
 328
 329 unsigned int pcm_sampr_to_hw_sampr(unsigned int samplerate,
 330                                    unsigned int type);
 331
 332 #else /* ndef CONFIG_SAMPR_TYPES */
 333
 334 /* Types are ignored and == 0 */
 335 #define SAMPR_TYPE_PLAY 0
 336 #ifdef HAVE_RECORDING
 337 #define SAMPR_TYPE_REC  0
 338 #endif
 339
 340 #endif /* CONFIG_SAMPR_TYPES */
 341
 342 #endif /* PCM_SAMPR_H */