sound/pci/rme9652/hdsp.c

   1 /*
   2  *   ALSA driver for RME Hammerfall DSP audio interface(s)
   3  *
   4  *      Copyright (c) 2002  Paul Davis
   5  *                          Marcus Andersson
   6  *                          Thomas Charbonnel
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  */
  23
  24 #include <sound/driver.h>
  25 #include <linux/init.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/slab.h>
  29 #include <linux/pci.h>
  30 #include <linux/firmware.h>
  31 #include <linux/moduleparam.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/control.h>
  35 #include <sound/pcm.h>
  36 #include <sound/info.h>
  37 #include <sound/asoundef.h>
  38 #include <sound/rawmidi.h>
  39 #include <sound/hwdep.h>
  40 #include <sound/initval.h>
  41 #include <sound/hdsp.h>
  42
  43 #include <asm/byteorder.h>
  44 #include <asm/current.h>
  45 #include <asm/io.h>
  46
  47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  50
  51 module_param_array(index, int, NULL, 0444);
  52 MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface.");
  53 module_param_array(id, charp, NULL, 0444);
  54 MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface.");
  55 module_param_array(enable, bool, NULL, 0444);
  56 MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards.");
  57 MODULE_AUTHOR("Paul Davis <paul@linuxaudiosystems.com>, Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
  58 MODULE_DESCRIPTION("RME Hammerfall DSP");
  59 MODULE_LICENSE("GPL");
  60 MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
  61                 "{RME HDSP-9652},"
  62                 "{RME HDSP-9632}}");
  63 #ifdef HDSP_FW_LOADER
  64 MODULE_FIRMWARE("multiface_firmware.bin");
  65 MODULE_FIRMWARE("multiface_firmware_rev11.bin");
  66 MODULE_FIRMWARE("digiface_firmware.bin");
  67 MODULE_FIRMWARE("digiface_firmware_rev11.bin");
  68 #endif
  69
  70 #define HDSP_MAX_CHANNELS        26
  71 #define HDSP_MAX_DS_CHANNELS     14
  72 #define HDSP_MAX_QS_CHANNELS     8
  73 #define DIGIFACE_SS_CHANNELS     26
  74 #define DIGIFACE_DS_CHANNELS     14
  75 #define MULTIFACE_SS_CHANNELS    18
  76 #define MULTIFACE_DS_CHANNELS    14
  77 #define H9652_SS_CHANNELS        26
  78 #define H9652_DS_CHANNELS        14
  79 /* This does not include possible Analog Extension Boards
  80    AEBs are detected at card initialization
  81 */
  82 #define H9632_SS_CHANNELS        12
  83 #define H9632_DS_CHANNELS        8
  84 #define H9632_QS_CHANNELS        4
  85
  86 /* Write registers. These are defined as byte-offsets from the iobase value.
  87  */
  88 #define HDSP_resetPointer               0
  89 #define HDSP_freqReg                    0
  90 #define HDSP_outputBufferAddress        32
  91 #define HDSP_inputBufferAddress         36
  92 #define HDSP_controlRegister            64
  93 #define HDSP_interruptConfirmation      96
  94 #define HDSP_outputEnable               128
  95 #define HDSP_control2Reg                256
  96 #define HDSP_midiDataOut0               352
  97 #define HDSP_midiDataOut1               356
  98 #define HDSP_fifoData                   368
  99 #define HDSP_inputEnable                384
 100
 101 /* Read registers. These are defined as byte-offsets from the iobase value
 102  */
 103
 104 #define HDSP_statusRegister    0
 105 #define HDSP_timecode        128
 106 #define HDSP_status2Register 192
 107 #define HDSP_midiDataOut0    352
 108 #define HDSP_midiDataOut1    356
 109 #define HDSP_midiDataIn0     360
 110 #define HDSP_midiDataIn1     364
 111 #define HDSP_midiStatusOut0  384
 112 #define HDSP_midiStatusOut1  388
 113 #define HDSP_midiStatusIn0   392
 114 #define HDSP_midiStatusIn1   396
 115 #define HDSP_fifoStatus      400
 116
 117 /* the meters are regular i/o-mapped registers, but offset
 118    considerably from the rest. the peak registers are reset
 119    when read; the least-significant 4 bits are full-scale counters;
 120    the actual peak value is in the most-significant 24 bits.
 121 */
 122
 123 #define HDSP_playbackPeakLevel  4096  /* 26 * 32 bit values */
 124 #define HDSP_inputPeakLevel     4224  /* 26 * 32 bit values */
 125 #define HDSP_outputPeakLevel    4352  /* (26+2) * 32 bit values */
 126 #define HDSP_playbackRmsLevel   4612  /* 26 * 64 bit values */
 127 #define HDSP_inputRmsLevel      4868  /* 26 * 64 bit values */
 128
 129
 130 /* This is for H9652 cards
 131    Peak values are read downward from the base
 132    Rms values are read upward
 133    There are rms values for the outputs too
 134    26*3 values are read in ss mode
 135    14*3 in ds mode, with no gap between values
 136 */
 137 #define HDSP_9652_peakBase      7164
 138 #define HDSP_9652_rmsBase       4096
 139
 140 /* c.f. the hdsp_9632_meters_t struct */
 141 #define HDSP_9632_metersBase    4096
 142
 143 #define HDSP_IO_EXTENT     7168
 144
 145 /* control2 register bits */
 146
 147 #define HDSP_TMS                0x01
 148 #define HDSP_TCK                0x02
 149 #define HDSP_TDI                0x04
 150 #define HDSP_JTAG               0x08
 151 #define HDSP_PWDN               0x10
 152 #define HDSP_PROGRAM            0x020
 153 #define HDSP_CONFIG_MODE_0      0x040
 154 #define HDSP_CONFIG_MODE_1      0x080
 155 #define HDSP_VERSION_BIT        0x100
 156 #define HDSP_BIGENDIAN_MODE     0x200
 157 #define HDSP_RD_MULTIPLE        0x400
 158 #define HDSP_9652_ENABLE_MIXER  0x800
 159 #define HDSP_TDO                0x10000000
 160
 161 #define HDSP_S_PROGRAM          (HDSP_PROGRAM|HDSP_CONFIG_MODE_0)
 162 #define HDSP_S_LOAD             (HDSP_PROGRAM|HDSP_CONFIG_MODE_1)
 163
 164 /* Control Register bits */
 165
 166 #define HDSP_Start                (1<<0)  /* start engine */
 167 #define HDSP_Latency0             (1<<1)  /* buffer size = 2^n where n is defined by Latency{2,1,0} */
 168 #define HDSP_Latency1             (1<<2)  /* [ see above ] */
 169 #define HDSP_Latency2             (1<<3)  /* [ see above ] */
 170 #define HDSP_ClockModeMaster      (1<<4)  /* 1=Master, 0=Slave/Autosync */
 171 #define HDSP_AudioInterruptEnable (1<<5)  /* what do you think ? */
 172 #define HDSP_Frequency0           (1<<6)  /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */
 173 #define HDSP_Frequency1           (1<<7)  /* 0=32kHz/64kHz/128kHz */
 174 #define HDSP_DoubleSpeed          (1<<8)  /* 0=normal speed, 1=double speed */
 175 #define HDSP_SPDIFProfessional    (1<<9)  /* 0=consumer, 1=professional */
 176 #define HDSP_SPDIFEmphasis        (1<<10) /* 0=none, 1=on */
 177 #define HDSP_SPDIFNonAudio        (1<<11) /* 0=off, 1=on */
 178 #define HDSP_SPDIFOpticalOut      (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
 179 #define HDSP_SyncRef2             (1<<13)
 180 #define HDSP_SPDIFInputSelect0    (1<<14)
 181 #define HDSP_SPDIFInputSelect1    (1<<15)
 182 #define HDSP_SyncRef0             (1<<16)
 183 #define HDSP_SyncRef1             (1<<17)
 184 #define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */
 185 #define HDSP_XLRBreakoutCable     (1<<20) /* For H9632 cards */
 186 #define HDSP_Midi0InterruptEnable (1<<22)
 187 #define HDSP_Midi1InterruptEnable (1<<23)
 188 #define HDSP_LineOut              (1<<24)
 189 #define HDSP_ADGain0              (1<<25) /* From here : H9632 specific */
 190 #define HDSP_ADGain1              (1<<26)
 191 #define HDSP_DAGain0              (1<<27)
 192 #define HDSP_DAGain1              (1<<28)
 193 #define HDSP_PhoneGain0           (1<<29)
 194 #define HDSP_PhoneGain1           (1<<30)
 195 #define HDSP_QuadSpeed            (1<<31)
 196
 197 #define HDSP_ADGainMask       (HDSP_ADGain0|HDSP_ADGain1)
 198 #define HDSP_ADGainMinus10dBV  HDSP_ADGainMask
 199 #define HDSP_ADGainPlus4dBu   (HDSP_ADGain0)
 200 #define HDSP_ADGainLowGain     0
 201
 202 #define HDSP_DAGainMask         (HDSP_DAGain0|HDSP_DAGain1)
 203 #define HDSP_DAGainHighGain      HDSP_DAGainMask
 204 #define HDSP_DAGainPlus4dBu     (HDSP_DAGain0)
 205 #define HDSP_DAGainMinus10dBV    0
 206
 207 #define HDSP_PhoneGainMask      (HDSP_PhoneGain0|HDSP_PhoneGain1)
 208 #define HDSP_PhoneGain0dB        HDSP_PhoneGainMask
 209 #define HDSP_PhoneGainMinus6dB  (HDSP_PhoneGain0)
 210 #define HDSP_PhoneGainMinus12dB  0
 211
 212 #define HDSP_LatencyMask    (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2)
 213 #define HDSP_FrequencyMask  (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed)
 214
 215 #define HDSP_SPDIFInputMask    (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
 216 #define HDSP_SPDIFInputADAT1    0
 217 #define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0)
 218 #define HDSP_SPDIFInputCdrom   (HDSP_SPDIFInputSelect1)
 219 #define HDSP_SPDIFInputAES     (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
 220
 221 #define HDSP_SyncRefMask        (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2)
 222 #define HDSP_SyncRef_ADAT1       0
 223 #define HDSP_SyncRef_ADAT2      (HDSP_SyncRef0)
 224 #define HDSP_SyncRef_ADAT3      (HDSP_SyncRef1)
 225 #define HDSP_SyncRef_SPDIF      (HDSP_SyncRef0|HDSP_SyncRef1)
 226 #define HDSP_SyncRef_WORD       (HDSP_SyncRef2)
 227 #define HDSP_SyncRef_ADAT_SYNC  (HDSP_SyncRef0|HDSP_SyncRef2)
 228
 229 /* Sample Clock Sources */
 230
 231 #define HDSP_CLOCK_SOURCE_AUTOSYNC           0
 232 #define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ     1
 233 #define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ   2
 234 #define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ     3
 235 #define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ     4
 236 #define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ   5
 237 #define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ     6
 238 #define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ    7
 239 #define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ  8
 240 #define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ    9
 241
 242 /* Preferred sync reference choices - used by "pref_sync_ref" control switch */
 243
 244 #define HDSP_SYNC_FROM_WORD      0
 245 #define HDSP_SYNC_FROM_SPDIF     1
 246 #define HDSP_SYNC_FROM_ADAT1     2
 247 #define HDSP_SYNC_FROM_ADAT_SYNC 3
 248 #define HDSP_SYNC_FROM_ADAT2     4
 249 #define HDSP_SYNC_FROM_ADAT3     5
 250
 251 /* SyncCheck status */
 252
 253 #define HDSP_SYNC_CHECK_NO_LOCK 0
 254 #define HDSP_SYNC_CHECK_LOCK    1
 255 #define HDSP_SYNC_CHECK_SYNC    2
 256
 257 /* AutoSync references - used by "autosync_ref" control switch */
 258
 259 #define HDSP_AUTOSYNC_FROM_WORD      0
 260 #define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1
 261 #define HDSP_AUTOSYNC_FROM_SPDIF     2
 262 #define HDSP_AUTOSYNC_FROM_NONE      3
 263 #define HDSP_AUTOSYNC_FROM_ADAT1     4
 264 #define HDSP_AUTOSYNC_FROM_ADAT2     5
 265 #define HDSP_AUTOSYNC_FROM_ADAT3     6
 266
 267 /* Possible sources of S/PDIF input */
 268
 269 #define HDSP_SPDIFIN_OPTICAL  0 /* optical  (ADAT1) */
 270 #define HDSP_SPDIFIN_COAXIAL  1 /* coaxial (RCA) */
 271 #define HDSP_SPDIFIN_INTERNAL 2 /* internal (CDROM) */
 272 #define HDSP_SPDIFIN_AES      3 /* xlr for H9632 (AES)*/
 273
 274 #define HDSP_Frequency32KHz    HDSP_Frequency0
 275 #define HDSP_Frequency44_1KHz  HDSP_Frequency1
 276 #define HDSP_Frequency48KHz    (HDSP_Frequency1|HDSP_Frequency0)
 277 #define HDSP_Frequency64KHz    (HDSP_DoubleSpeed|HDSP_Frequency0)
 278 #define HDSP_Frequency88_2KHz  (HDSP_DoubleSpeed|HDSP_Frequency1)
 279 #define HDSP_Frequency96KHz    (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
 280 /* For H9632 cards */
 281 #define HDSP_Frequency128KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0)
 282 #define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1)
 283 #define HDSP_Frequency192KHz   (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
 284 /* RME says n = 104857600000000, but in the windows MADI driver, I see:
 285         return 104857600000000 / rate; // 100 MHz
 286         return 110100480000000 / rate; // 105 MHz
 287 */
 288 #define DDS_NUMERATOR 104857600000000ULL;  /*  =  2^20 * 10^8 */
 289
 290 #define hdsp_encode_latency(x)       (((x)<<1) & HDSP_LatencyMask)
 291 #define hdsp_decode_latency(x)       (((x) & HDSP_LatencyMask)>>1)
 292
 293 #define hdsp_encode_spdif_in(x) (((x)&0x3)<<14)
 294 #define hdsp_decode_spdif_in(x) (((x)>>14)&0x3)
 295
 296 /* Status Register bits */
 297
 298 #define HDSP_audioIRQPending    (1<<0)
 299 #define HDSP_Lock2              (1<<1)     /* this is for Digiface and H9652 */
 300 #define HDSP_spdifFrequency3    HDSP_Lock2 /* this is for H9632 only */
 301 #define HDSP_Lock1              (1<<2)
 302 #define HDSP_Lock0              (1<<3)
 303 #define HDSP_SPDIFSync          (1<<4)
 304 #define HDSP_TimecodeLock       (1<<5)
 305 #define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
 306 #define HDSP_Sync2              (1<<16)
 307 #define HDSP_Sync1              (1<<17)
 308 #define HDSP_Sync0              (1<<18)
 309 #define HDSP_DoubleSpeedStatus  (1<<19)
 310 #define HDSP_ConfigError        (1<<20)
 311 #define HDSP_DllError           (1<<21)
 312 #define HDSP_spdifFrequency0    (1<<22)
 313 #define HDSP_spdifFrequency1    (1<<23)
 314 #define HDSP_spdifFrequency2    (1<<24)
 315 #define HDSP_SPDIFErrorFlag     (1<<25)
 316 #define HDSP_BufferID           (1<<26)
 317 #define HDSP_TimecodeSync       (1<<27)
 318 #define HDSP_AEBO               (1<<28) /* H9632 specific Analog Extension Boards */
 319 #define HDSP_AEBI               (1<<29) /* 0 = present, 1 = absent */
 320 #define HDSP_midi0IRQPending    (1<<30)
 321 #define HDSP_midi1IRQPending    (1<<31)
 322
 323 #define HDSP_spdifFrequencyMask    (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
 324
 325 #define HDSP_spdifFrequency32KHz   (HDSP_spdifFrequency0)
 326 #define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
 327 #define HDSP_spdifFrequency48KHz   (HDSP_spdifFrequency0|HDSP_spdifFrequency1)
 328
 329 #define HDSP_spdifFrequency64KHz   (HDSP_spdifFrequency2)
 330 #define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2)
 331 #define HDSP_spdifFrequency96KHz   (HDSP_spdifFrequency2|HDSP_spdifFrequency1)
 332
 333 /* This is for H9632 cards */
 334 #define HDSP_spdifFrequency128KHz   HDSP_spdifFrequencyMask
 335 #define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
 336 #define HDSP_spdifFrequency192KHz   (HDSP_spdifFrequency3|HDSP_spdifFrequency0)
 337
 338 /* Status2 Register bits */
 339
 340 #define HDSP_version0     (1<<0)
 341 #define HDSP_version1     (1<<1)
 342 #define HDSP_version2     (1<<2)
 343 #define HDSP_wc_lock      (1<<3)
 344 #define HDSP_wc_sync      (1<<4)
 345 #define HDSP_inp_freq0    (1<<5)
 346 #define HDSP_inp_freq1    (1<<6)
 347 #define HDSP_inp_freq2    (1<<7)
 348 #define HDSP_SelSyncRef0  (1<<8)
 349 #define HDSP_SelSyncRef1  (1<<9)
 350 #define HDSP_SelSyncRef2  (1<<10)
 351
 352 #define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync)
 353
 354 #define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2)
 355 #define HDSP_systemFrequency32   (HDSP_inp_freq0)
 356 #define HDSP_systemFrequency44_1 (HDSP_inp_freq1)
 357 #define HDSP_systemFrequency48   (HDSP_inp_freq0|HDSP_inp_freq1)
 358 #define HDSP_systemFrequency64   (HDSP_inp_freq2)
 359 #define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2)
 360 #define HDSP_systemFrequency96   (HDSP_inp_freq1|HDSP_inp_freq2)
 361 /* FIXME : more values for 9632 cards ? */
 362
 363 #define HDSP_SelSyncRefMask        (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2)
 364 #define HDSP_SelSyncRef_ADAT1      0
 365 #define HDSP_SelSyncRef_ADAT2      (HDSP_SelSyncRef0)
 366 #define HDSP_SelSyncRef_ADAT3      (HDSP_SelSyncRef1)
 367 #define HDSP_SelSyncRef_SPDIF      (HDSP_SelSyncRef0|HDSP_SelSyncRef1)
 368 #define HDSP_SelSyncRef_WORD       (HDSP_SelSyncRef2)
 369 #define HDSP_SelSyncRef_ADAT_SYNC  (HDSP_SelSyncRef0|HDSP_SelSyncRef2)
 370
 371 /* Card state flags */
 372
 373 #define HDSP_InitializationComplete  (1<<0)
 374 #define HDSP_FirmwareLoaded          (1<<1)
 375 #define HDSP_FirmwareCached          (1<<2)
 376
 377 /* FIFO wait times, defined in terms of 1/10ths of msecs */
 378
 379 #define HDSP_LONG_WAIT   5000
 380 #define HDSP_SHORT_WAIT  30
 381
 382 #define UNITY_GAIN                       32768
 383 #define MINUS_INFINITY_GAIN              0
 384
 385 /* the size of a substream (1 mono data stream) */
 386
 387 #define HDSP_CHANNEL_BUFFER_SAMPLES  (16*1024)
 388 #define HDSP_CHANNEL_BUFFER_BYTES    (4*HDSP_CHANNEL_BUFFER_SAMPLES)
 389
 390 /* the size of the area we need to allocate for DMA transfers. the
 391    size is the same regardless of the number of channels - the
 392    Multiface still uses the same memory area.
 393
 394    Note that we allocate 1 more channel than is apparently needed
 395    because the h/w seems to write 1 byte beyond the end of the last
 396    page. Sigh.
 397 */
 398
 399 #define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
 400 #define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
 401
 402 /* use hotplug firmeare loader? */
 403 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
 404 #if !defined(HDSP_USE_HWDEP_LOADER) && !defined(CONFIG_SND_HDSP)
 405 #define HDSP_FW_LOADER
 406 #endif
 407 #endif
 408
 409 struct hdsp_9632_meters {
 410     u32 input_peak[16];
 411     u32 playback_peak[16];
 412     u32 output_peak[16];
 413     u32 xxx_peak[16];
 414     u32 padding[64];
 415     u32 input_rms_low[16];
 416     u32 playback_rms_low[16];
 417     u32 output_rms_low[16];
 418     u32 xxx_rms_low[16];
 419     u32 input_rms_high[16];
 420     u32 playback_rms_high[16];
 421     u32 output_rms_high[16];
 422     u32 xxx_rms_high[16];
 423 };
 424
 425 struct hdsp_midi {
 426     struct hdsp             *hdsp;
 427     int                      id;
 428     struct snd_rawmidi           *rmidi;
 429     struct snd_rawmidi_substream *input;
 430     struct snd_rawmidi_substream *output;
 431     char                     istimer; /* timer in use */
 432     struct timer_list        timer;
 433     spinlock_t               lock;
 434     int                      pending;
 435 };
 436
 437 struct hdsp {
 438         spinlock_t            lock;
 439         struct snd_pcm_substream *capture_substream;
 440         struct snd_pcm_substream *playback_substream;
 441         struct hdsp_midi      midi[2];
 442         struct tasklet_struct midi_tasklet;
 443         int                   use_midi_tasklet;
 444         int                   precise_ptr;
 445         u32                   control_register;      /* cached value */
 446         u32                   control2_register;     /* cached value */
 447         u32                   creg_spdif;
 448         u32                   creg_spdif_stream;
 449         int                   clock_source_locked;
 450         char                 *card_name;             /* digiface/multiface */
 451         enum HDSP_IO_Type     io_type;               /* ditto, but for code use */
 452         unsigned short        firmware_rev;
 453         unsigned short        state;                 /* stores state bits */
 454         u32                   firmware_cache[24413]; /* this helps recover from accidental iobox power failure */
 455         size_t                period_bytes;          /* guess what this is */
 456         unsigned char         max_channels;
 457         unsigned char         qs_in_channels;        /* quad speed mode for H9632 */
 458         unsigned char         ds_in_channels;
 459         unsigned char         ss_in_channels;       /* different for multiface/digiface */
 460         unsigned char         qs_out_channels;
 461         unsigned char         ds_out_channels;
 462         unsigned char         ss_out_channels;
 463
 464         struct snd_dma_buffer capture_dma_buf;
 465         struct snd_dma_buffer playback_dma_buf;
 466         unsigned char        *capture_buffer;       /* suitably aligned address */
 467         unsigned char        *playback_buffer;      /* suitably aligned address */
 468
 469         pid_t                 capture_pid;
 470         pid_t                 playback_pid;
 471         int                   running;
 472         int                   system_sample_rate;
 473         char                 *channel_map;
 474         int                   dev;
 475         int                   irq;
 476         unsigned long         port;
 477         void __iomem         *iobase;
 478         struct snd_card *card;
 479         struct snd_pcm *pcm;
 480         struct snd_hwdep          *hwdep;
 481         struct pci_dev       *pci;
 482         struct snd_kcontrol *spdif_ctl;
 483         unsigned short        mixer_matrix[HDSP_MATRIX_MIXER_SIZE];
 484         unsigned int          dds_value; /* last value written to freq register */
 485 };
 486
 487 /* These tables map the ALSA channels 1..N to the channels that we
 488    need to use in order to find the relevant channel buffer. RME
 489    refer to this kind of mapping as between "the ADAT channel and
 490    the DMA channel." We index it using the logical audio channel,
 491    and the value is the DMA channel (i.e. channel buffer number)
 492    where the data for that channel can be read/written from/to.
 493 */
 494
 495 static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
 496         0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
 497         18, 19, 20, 21, 22, 23, 24, 25
 498 };
 499
 500 static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
 501         /* Analog */
 502         0, 1, 2, 3, 4, 5, 6, 7,
 503         /* ADAT 2 */
 504         16, 17, 18, 19, 20, 21, 22, 23,
 505         /* SPDIF */
 506         24, 25,
 507         -1, -1, -1, -1, -1, -1, -1, -1
 508 };
 509
 510 static char channel_map_ds[HDSP_MAX_CHANNELS] = {
 511         /* ADAT channels are remapped */
 512         1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
 513         /* channels 12 and 13 are S/PDIF */
 514         24, 25,
 515         /* others don't exist */
 516         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 517 };
 518
 519 static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
 520         /* ADAT channels */
 521         0, 1, 2, 3, 4, 5, 6, 7,
 522         /* SPDIF */
 523         8, 9,
 524         /* Analog */
 525         10, 11,
 526         /* AO4S-192 and AI4S-192 extension boards */
 527         12, 13, 14, 15,
 528         /* others don't exist */
 529         -1, -1, -1, -1, -1, -1, -1, -1,
 530         -1, -1
 531 };
 532
 533 static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
 534         /* ADAT */
 535         1, 3, 5, 7,
 536         /* SPDIF */
 537         8, 9,
 538         /* Analog */
 539         10, 11,
 540         /* AO4S-192 and AI4S-192 extension boards */
 541         12, 13, 14, 15,
 542         /* others don't exist */
 543         -1, -1, -1, -1, -1, -1, -1, -1,
 544         -1, -1, -1, -1, -1, -1
 545 };
 546
 547 static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
 548         /* ADAT is disabled in this mode */
 549         /* SPDIF */
 550         8, 9,
 551         /* Analog */
 552         10, 11,
 553         /* AO4S-192 and AI4S-192 extension boards */
 554         12, 13, 14, 15,
 555         /* others don't exist */
 556         -1, -1, -1, -1, -1, -1, -1, -1,
 557         -1, -1, -1, -1, -1, -1, -1, -1,
 558         -1, -1
 559 };
 560
 561 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
 562 {
 563         dmab->dev.type = SNDRV_DMA_TYPE_DEV;
 564         dmab->dev.dev = snd_dma_pci_data(pci);
 565         if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
 566                 if (dmab->bytes >= size)
 567                         return 0;
 568         }
 569         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
 570                                 size, dmab) < 0)
 571                 return -ENOMEM;
 572         return 0;
 573 }
 574
 575 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
 576 {
 577         if (dmab->area) {
 578                 dmab->dev.dev = NULL; /* make it anonymous */
 579                 snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
 580         }
 581 }
 582
 583
 584 static struct pci_device_id snd_hdsp_ids[] = {
 585         {
 586                 .vendor = PCI_VENDOR_ID_XILINX,
 587                 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP,
 588                 .subvendor = PCI_ANY_ID,
 589                 .subdevice = PCI_ANY_ID,
 590         }, /* RME Hammerfall-DSP */
 591         { 0, },
 592 };
 593
 594 MODULE_DEVICE_TABLE(pci, snd_hdsp_ids);
 595
 596 /* prototypes */
 597 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp);
 598 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp);
 599 static int snd_hdsp_enable_io (struct hdsp *hdsp);
 600 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp);
 601 static void snd_hdsp_initialize_channels (struct hdsp *hdsp);
 602 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout);
 603 static int hdsp_autosync_ref(struct hdsp *hdsp);
 604 static int snd_hdsp_set_defaults(struct hdsp *hdsp);
 605 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp);
 606
 607 static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out)
 608 {
 609         switch (hdsp->firmware_rev) {
 610         case 0xa:
 611                 return (64 * out) + (32 + (in));
 612         case 0x96:
 613         case 0x97:
 614         case 0x98:
 615                 return (32 * out) + (16 + (in));
 616         default:
 617                 return (52 * out) + (26 + (in));
 618         }
 619 }
 620
 621 static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out)
 622 {
 623         switch (hdsp->firmware_rev) {
 624         case 0xa:
 625                 return (64 * out) + in;
 626         case 0x96:
 627         case 0x97:
 628         case 0x98:
 629                 return (32 * out) + in;
 630         default:
 631                 return (52 * out) + in;
 632         }
 633 }
 634
 635 static void hdsp_write(struct hdsp *hdsp, int reg, int val)
 636 {
 637         writel(val, hdsp->iobase + reg);
 638 }
 639
 640 static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
 641 {
 642         return readl (hdsp->iobase + reg);
 643 }
 644
 645 static int hdsp_check_for_iobox (struct hdsp *hdsp)
 646 {
 647
 648         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
 649         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
 650                 snd_printk ("Hammerfall-DSP: no Digiface or Multiface connected!\n");
 651                 hdsp->state &= ~HDSP_FirmwareLoaded;
 652                 return -EIO;
 653         }
 654         return 0;
 655
 656 }
 657
 658 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
 659
 660         int i;
 661         unsigned long flags;
 662
 663         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
 664
 665                 snd_printk ("Hammerfall-DSP: loading firmware\n");
 666
 667                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
 668                 hdsp_write (hdsp, HDSP_fifoData, 0);
 669
 670                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
 671                         snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
 672                         return -EIO;
 673                 }
 674
 675                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
 676
 677                 for (i = 0; i < 24413; ++i) {
 678                         hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
 679                         if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
 680                                 snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
 681                                 return -EIO;
 682                         }
 683                 }
 684
 685                 ssleep(3);
 686
 687                 if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
 688                         snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
 689                         return -EIO;
 690                 }
 691
 692 #ifdef SNDRV_BIG_ENDIAN
 693                 hdsp->control2_register = HDSP_BIGENDIAN_MODE;
 694 #else
 695                 hdsp->control2_register = 0;
 696 #endif
 697                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
 698                 snd_printk ("Hammerfall-DSP: finished firmware loading\n");
 699
 700         }
 701         if (hdsp->state & HDSP_InitializationComplete) {
 702                 snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
 703                 spin_lock_irqsave(&hdsp->lock, flags);
 704                 snd_hdsp_set_defaults(hdsp);
 705                 spin_unlock_irqrestore(&hdsp->lock, flags);
 706         }
 707
 708         hdsp->state |= HDSP_FirmwareLoaded;
 709
 710         return 0;
 711 }
 712
 713 static int hdsp_get_iobox_version (struct hdsp *hdsp)
 714 {
 715         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
 716
 717                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
 718                 hdsp_write (hdsp, HDSP_fifoData, 0);
 719                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
 720                         return -EIO;
 721
 722                 hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
 723                 hdsp_write (hdsp, HDSP_fifoData, 0);
 724
 725                 if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT)) {
 726                         hdsp->io_type = Multiface;
 727                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_VERSION_BIT);
 728                         hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
 729                         hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT);
 730                 } else {
 731                         hdsp->io_type = Digiface;
 732                 }
 733         } else {
 734                 /* firmware was already loaded, get iobox type */
 735                 if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
 736                         hdsp->io_type = Multiface;
 737                 else
 738                         hdsp->io_type = Digiface;
 739         }
 740         return 0;
 741 }
 742
 743
 744 #ifdef HDSP_FW_LOADER
 745 static int __devinit hdsp_request_fw_loader(struct hdsp *hdsp);
 746 #endif
 747
 748 static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
 749 {
 750         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
 751                 return 0;
 752         if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
 753                 hdsp->state &= ~HDSP_FirmwareLoaded;
 754                 if (! load_on_demand)
 755                         return -EIO;
 756                 snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
 757                 /* try to load firmware */
 758                 if (! (hdsp->state & HDSP_FirmwareCached)) {
 759 #ifdef HDSP_FW_LOADER
 760                         if (! hdsp_request_fw_loader(hdsp))
 761                                 return 0;
 762 #endif
 763                         snd_printk(KERN_ERR
 764                                    "Hammerfall-DSP: No firmware loaded nor "
 765                                    "cached, please upload firmware.\n");
 766                         return -EIO;
 767                 }
 768                 if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
 769                         snd_printk(KERN_ERR
 770                                    "Hammerfall-DSP: Firmware loading from "
 771                                    "cache failed, please upload manually.\n");
 772                         return -EIO;
 773                 }
 774         }
 775         return 0;
 776 }
 777
 778
 779 static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
 780 {
 781         int i;
 782
 783         /* the fifoStatus registers reports on how many words
 784            are available in the command FIFO.
 785         */
 786
 787         for (i = 0; i < timeout; i++) {
 788
 789                 if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
 790                         return 0;
 791
 792                 /* not very friendly, but we only do this during a firmware
 793                    load and changing the mixer, so we just put up with it.
 794                 */
 795
 796                 udelay (100);
 797         }
 798
 799         snd_printk ("Hammerfall-DSP: wait for FIFO status <= %d failed after %d iterations\n",
 800                     count, timeout);
 801         return -1;
 802 }
 803
 804 static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr)
 805 {
 806         if (addr >= HDSP_MATRIX_MIXER_SIZE)
 807                 return 0;
 808
 809         return hdsp->mixer_matrix[addr];
 810 }
 811
 812 static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data)
 813 {
 814         unsigned int ad;
 815
 816         if (addr >= HDSP_MATRIX_MIXER_SIZE)
 817                 return -1;
 818
 819         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
 820
 821                 /* from martin bjornsen:
 822
 823                    "You can only write dwords to the
 824                    mixer memory which contain two
 825                    mixer values in the low and high
 826                    word. So if you want to change
 827                    value 0 you have to read value 1
 828                    from the cache and write both to
 829                    the first dword in the mixer
 830                    memory."
 831                 */
 832
 833                 if (hdsp->io_type == H9632 && addr >= 512)
 834                         return 0;
 835
 836                 if (hdsp->io_type == H9652 && addr >= 1352)
 837                         return 0;
 838
 839                 hdsp->mixer_matrix[addr] = data;
 840
 841
 842                 /* `addr' addresses a 16-bit wide address, but
 843                    the address space accessed via hdsp_write
 844                    uses byte offsets. put another way, addr
 845                    varies from 0 to 1351, but to access the
 846                    corresponding memory location, we need
 847                    to access 0 to 2703 ...
 848                 */
 849                 ad = addr/2;
 850
 851                 hdsp_write (hdsp, 4096 + (ad*4),
 852                             (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) +
 853                             hdsp->mixer_matrix[addr&0x7fe]);
 854
 855                 return 0;
 856
 857         } else {
 858
 859                 ad = (addr << 16) + data;
 860
 861                 if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
 862                         return -1;
 863
 864                 hdsp_write (hdsp, HDSP_fifoData, ad);
 865                 hdsp->mixer_matrix[addr] = data;
 866
 867         }
 868
 869         return 0;
 870 }
 871
 872 static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
 873 {
 874         unsigned long flags;
 875         int ret = 1;
 876
 877         spin_lock_irqsave(&hdsp->lock, flags);
 878         if ((hdsp->playback_pid != hdsp->capture_pid) &&
 879             (hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0))
 880                 ret = 0;
 881         spin_unlock_irqrestore(&hdsp->lock, flags);
 882         return ret;
 883 }
 884
 885 static int hdsp_external_sample_rate (struct hdsp *hdsp)
 886 {
 887         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
 888         unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;
 889
 890         switch (rate_bits) {
 891         case HDSP_systemFrequency32:   return 32000;
 892         case HDSP_systemFrequency44_1: return 44100;
 893         case HDSP_systemFrequency48:   return 48000;
 894         case HDSP_systemFrequency64:   return 64000;
 895         case HDSP_systemFrequency88_2: return 88200;
 896         case HDSP_systemFrequency96:   return 96000;
 897         default:
 898                 return 0;
 899         }
 900 }
 901
 902 static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
 903 {
 904         unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
 905         unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);
 906
 907         if (status & HDSP_SPDIFErrorFlag)
 908                 return 0;
 909
 910         switch (rate_bits) {
 911         case HDSP_spdifFrequency32KHz: return 32000;
 912         case HDSP_spdifFrequency44_1KHz: return 44100;
 913         case HDSP_spdifFrequency48KHz: return 48000;
 914         case HDSP_spdifFrequency64KHz: return 64000;
 915         case HDSP_spdifFrequency88_2KHz: return 88200;
 916         case HDSP_spdifFrequency96KHz: return 96000;
 917         case HDSP_spdifFrequency128KHz:
 918                 if (hdsp->io_type == H9632) return 128000;
 919                 break;
 920         case HDSP_spdifFrequency176_4KHz:
 921                 if (hdsp->io_type == H9632) return 176400;
 922                 break;
 923         case HDSP_spdifFrequency192KHz:
 924                 if (hdsp->io_type == H9632) return 192000;
 925                 break;
 926         default:
 927                 break;
 928         }
 929         snd_printk ("Hammerfall-DSP: unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", rate_bits, status);
 930         return 0;
 931 }
 932
 933 static void hdsp_compute_period_size(struct hdsp *hdsp)
 934 {
 935         hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
 936 }
 937
 938 static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp)
 939 {
 940         int position;
 941
 942         position = hdsp_read(hdsp, HDSP_statusRegister);
 943
 944         if (!hdsp->precise_ptr)
 945                 return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0;
 946
 947         position &= HDSP_BufferPositionMask;
 948         position /= 4;
 949         position &= (hdsp->period_bytes/2) - 1;
 950         return position;
 951 }
 952
 953 static void hdsp_reset_hw_pointer(struct hdsp *hdsp)
 954 {
 955         hdsp_write (hdsp, HDSP_resetPointer, 0);
 956         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
 957                 /* HDSP_resetPointer = HDSP_freqReg, which is strange and
 958                  * requires (?) to write again DDS value after a reset pointer
 959                  * (at least, it works like this) */
 960                 hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value);
 961 }
 962
 963 static void hdsp_start_audio(struct hdsp *s)
 964 {
 965         s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start);
 966         hdsp_write(s, HDSP_controlRegister, s->control_register);
 967 }
 968
 969 static void hdsp_stop_audio(struct hdsp *s)
 970 {
 971         s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable);
 972         hdsp_write(s, HDSP_controlRegister, s->control_register);
 973 }
 974
 975 static void hdsp_silence_playback(struct hdsp *hdsp)
 976 {
 977         memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES);
 978 }
 979
 980 static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames)
 981 {
 982         int n;
 983
 984         spin_lock_irq(&s->lock);
 985
 986         frames >>= 7;
 987         n = 0;
 988         while (frames) {
 989                 n++;
 990                 frames >>= 1;
 991         }
 992
 993         s->control_register &= ~HDSP_LatencyMask;
 994         s->control_register |= hdsp_encode_latency(n);
 995
 996         hdsp_write(s, HDSP_controlRegister, s->control_register);
 997
 998         hdsp_compute_period_size(s);
 999
1000         spin_unlock_irq(&s->lock);
1001
1002         return 0;
1003 }
1004
1005 static void hdsp_set_dds_value(struct hdsp *hdsp, int rate)
1006 {
1007         u64 n;
1008         u32 r;
1009
1010         if (rate >= 112000)
1011                 rate /= 4;
1012         else if (rate >= 56000)
1013                 rate /= 2;
1014
1015         n = DDS_NUMERATOR;
1016         div64_32(&n, rate, &r);
1017         /* n should be less than 2^32 for being written to FREQ register */
1018         snd_assert((n >> 32) == 0);
1019         /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS
1020            value to write it after a reset */
1021         hdsp->dds_value = n;
1022         hdsp_write(hdsp, HDSP_freqReg, hdsp->dds_value);
1023 }
1024
1025 static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally)
1026 {
1027         int reject_if_open = 0;
1028         int current_rate;
1029         int rate_bits;
1030
1031         /* ASSUMPTION: hdsp->lock is either held, or
1032            there is no need for it (e.g. during module
1033            initialization).
1034         */
1035
1036         if (!(hdsp->control_register & HDSP_ClockModeMaster)) {
1037                 if (called_internally) {
1038                         /* request from ctl or card initialization */
1039                         snd_printk(KERN_ERR "Hammerfall-DSP: device is not running as a clock master: cannot set sample rate.\n");
1040                         return -1;
1041                 } else {
1042                         /* hw_param request while in AutoSync mode */
1043                         int external_freq = hdsp_external_sample_rate(hdsp);
1044                         int spdif_freq = hdsp_spdif_sample_rate(hdsp);
1045
1046                         if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1047                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in double speed mode\n");
1048                         else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1))
1049                                 snd_printk(KERN_INFO "Hammerfall-DSP: Detected ADAT in quad speed mode\n");
1050                         else if (rate != external_freq) {
1051                                 snd_printk(KERN_INFO "Hammerfall-DSP: No AutoSync source for requested rate\n");
1052                                 return -1;
1053                         }
1054                 }
1055         }
1056
1057         current_rate = hdsp->system_sample_rate;
1058
1059         /* Changing from a "single speed" to a "double speed" rate is
1060            not allowed if any substreams are open. This is because
1061            such a change causes a shift in the location of
1062            the DMA buffers and a reduction in the number of available
1063            buffers.
1064
1065            Note that a similar but essentially insoluble problem
1066            exists for externally-driven rate changes. All we can do
1067            is to flag rate changes in the read/write routines.  */
1068
1069         if (rate > 96000 && hdsp->io_type != H9632)
1070                 return -EINVAL;
1071
1072         switch (rate) {
1073         case 32000:
1074                 if (current_rate > 48000)
1075                         reject_if_open = 1;
1076                 rate_bits = HDSP_Frequency32KHz;
1077                 break;
1078         case 44100:
1079                 if (current_rate > 48000)
1080                         reject_if_open = 1;
1081                 rate_bits = HDSP_Frequency44_1KHz;
1082                 break;
1083         case 48000:
1084                 if (current_rate > 48000)
1085                         reject_if_open = 1;
1086                 rate_bits = HDSP_Frequency48KHz;
1087                 break;
1088         case 64000:
1089                 if (current_rate <= 48000 || current_rate > 96000)
1090                         reject_if_open = 1;
1091                 rate_bits = HDSP_Frequency64KHz;
1092                 break;
1093         case 88200:
1094                 if (current_rate <= 48000 || current_rate > 96000)
1095                         reject_if_open = 1;
1096                 rate_bits = HDSP_Frequency88_2KHz;
1097                 break;
1098         case 96000:
1099                 if (current_rate <= 48000 || current_rate > 96000)
1100                         reject_if_open = 1;
1101                 rate_bits = HDSP_Frequency96KHz;
1102                 break;
1103         case 128000:
1104                 if (current_rate < 128000)
1105                         reject_if_open = 1;
1106                 rate_bits = HDSP_Frequency128KHz;
1107                 break;
1108         case 176400:
1109                 if (current_rate < 128000)
1110                         reject_if_open = 1;
1111                 rate_bits = HDSP_Frequency176_4KHz;
1112                 break;
1113         case 192000:
1114                 if (current_rate < 128000)
1115                         reject_if_open = 1;
1116                 rate_bits = HDSP_Frequency192KHz;
1117                 break;
1118         default:
1119                 return -EINVAL;
1120         }
1121
1122         if (reject_if_open && (hdsp->capture_pid >= 0 || hdsp->playback_pid >= 0)) {
1123                 snd_printk ("Hammerfall-DSP: cannot change speed mode (capture PID = %d, playback PID = %d)\n",
1124                             hdsp->capture_pid,
1125                             hdsp->playback_pid);
1126                 return -EBUSY;
1127         }
1128
1129         hdsp->control_register &= ~HDSP_FrequencyMask;
1130         hdsp->control_register |= rate_bits;
1131         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1132
1133         /* For HDSP9632 rev 152, need to set DDS value in FREQ register */
1134         if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
1135                 hdsp_set_dds_value(hdsp, rate);
1136
1137         if (rate >= 128000) {
1138                 hdsp->channel_map = channel_map_H9632_qs;
1139         } else if (rate > 48000) {
1140                 if (hdsp->io_type == H9632)
1141                         hdsp->channel_map = channel_map_H9632_ds;
1142                 else
1143                         hdsp->channel_map = channel_map_ds;
1144         } else {
1145                 switch (hdsp->io_type) {
1146                 case Multiface:
1147                         hdsp->channel_map = channel_map_mf_ss;
1148                         break;
1149                 case Digiface:
1150                 case H9652:
1151                         hdsp->channel_map = channel_map_df_ss;
1152                         break;
1153                 case H9632:
1154                         hdsp->channel_map = channel_map_H9632_ss;
1155                         break;
1156                 default:
1157                         /* should never happen */
1158                         break;
1159                 }
1160         }
1161
1162         hdsp->system_sample_rate = rate;
1163
1164         return 0;
1165 }
1166
1167 /*----------------------------------------------------------------------------
1168    MIDI
1169   ----------------------------------------------------------------------------*/
1170
1171 static unsigned char snd_hdsp_midi_read_byte (struct hdsp *hdsp, int id)
1172 {
1173         /* the hardware already does the relevant bit-mask with 0xff */
1174         if (id)
1175                 return hdsp_read(hdsp, HDSP_midiDataIn1);
1176         else
1177                 return hdsp_read(hdsp, HDSP_midiDataIn0);
1178 }
1179
1180 static void snd_hdsp_midi_write_byte (struct hdsp *hdsp, int id, int val)
1181 {
1182         /* the hardware already does the relevant bit-mask with 0xff */
1183         if (id)
1184                 hdsp_write(hdsp, HDSP_midiDataOut1, val);
1185         else
1186                 hdsp_write(hdsp, HDSP_midiDataOut0, val);
1187 }
1188
1189 static int snd_hdsp_midi_input_available (struct hdsp *hdsp, int id)
1190 {
1191         if (id)
1192                 return (hdsp_read(hdsp, HDSP_midiStatusIn1) & 0xff);
1193         else
1194                 return (hdsp_read(hdsp, HDSP_midiStatusIn0) & 0xff);
1195 }
1196
1197 static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id)
1198 {
1199         int fifo_bytes_used;
1200
1201         if (id)
1202                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut1) & 0xff;
1203         else
1204                 fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut0) & 0xff;
1205
1206         if (fifo_bytes_used < 128)
1207                 return  128 - fifo_bytes_used;
1208         else
1209                 return 0;
1210 }
1211
1212 static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id)
1213 {
1214         while (snd_hdsp_midi_input_available (hdsp, id))
1215                 snd_hdsp_midi_read_byte (hdsp, id);
1216 }
1217
1218 static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi)
1219 {
1220         unsigned long flags;
1221         int n_pending;
1222         int to_write;
1223         int i;
1224         unsigned char buf[128];
1225
1226         /* Output is not interrupt driven */
1227
1228         spin_lock_irqsave (&hmidi->lock, flags);
1229         if (hmidi->output) {
1230                 if (!snd_rawmidi_transmit_empty (hmidi->output)) {
1231                         if ((n_pending = snd_hdsp_midi_output_possible (hmidi->hdsp, hmidi->id)) > 0) {
1232                                 if (n_pending > (int)sizeof (buf))
1233                                         n_pending = sizeof (buf);
1234
1235                                 if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
1236                                         for (i = 0; i < to_write; ++i)
1237                                                 snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]);
1238                                 }
1239                         }
1240                 }
1241         }
1242         spin_unlock_irqrestore (&hmidi->lock, flags);
1243         return 0;
1244 }
1245
1246 static int snd_hdsp_midi_input_read (struct hdsp_midi *hmidi)
1247 {
1248         unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */
1249         unsigned long flags;
1250         int n_pending;
1251         int i;
1252
1253         spin_lock_irqsave (&hmidi->lock, flags);
1254         if ((n_pending = snd_hdsp_midi_input_available (hmidi->hdsp, hmidi->id)) > 0) {
1255                 if (hmidi->input) {
1256                         if (n_pending > (int)sizeof (buf))
1257                                 n_pending = sizeof (buf);
1258                         for (i = 0; i < n_pending; ++i)
1259                                 buf[i] = snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1260                         if (n_pending)
1261                                 snd_rawmidi_receive (hmidi->input, buf, n_pending);
1262                 } else {
1263                         /* flush the MIDI input FIFO */
1264                         while (--n_pending)
1265                                 snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id);
1266                 }
1267         }
1268         hmidi->pending = 0;
1269         if (hmidi->id)
1270                 hmidi->hdsp->control_register |= HDSP_Midi1InterruptEnable;
1271         else
1272                 hmidi->hdsp->control_register |= HDSP_Midi0InterruptEnable;
1273         hdsp_write(hmidi->hdsp, HDSP_controlRegister, hmidi->hdsp->control_register);
1274         spin_unlock_irqrestore (&hmidi->lock, flags);
1275         return snd_hdsp_midi_output_write (hmidi);
1276 }
1277
1278 static void snd_hdsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1279 {
1280         struct hdsp *hdsp;
1281         struct hdsp_midi *hmidi;
1282         unsigned long flags;
1283         u32 ie;
1284
1285         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1286         hdsp = hmidi->hdsp;
1287         ie = hmidi->id ? HDSP_Midi1InterruptEnable : HDSP_Midi0InterruptEnable;
1288         spin_lock_irqsave (&hdsp->lock, flags);
1289         if (up) {
1290                 if (!(hdsp->control_register & ie)) {
1291                         snd_hdsp_flush_midi_input (hdsp, hmidi->id);
1292                         hdsp->control_register |= ie;
1293                 }
1294         } else {
1295                 hdsp->control_register &= ~ie;
1296                 tasklet_kill(&hdsp->midi_tasklet);
1297         }
1298
1299         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1300         spin_unlock_irqrestore (&hdsp->lock, flags);
1301 }
1302
1303 static void snd_hdsp_midi_output_timer(unsigned long data)
1304 {
1305         struct hdsp_midi *hmidi = (struct hdsp_midi *) data;
1306         unsigned long flags;
1307
1308         snd_hdsp_midi_output_write(hmidi);
1309         spin_lock_irqsave (&hmidi->lock, flags);
1310
1311         /* this does not bump hmidi->istimer, because the
1312            kernel automatically removed the timer when it
1313            expired, and we are now adding it back, thus
1314            leaving istimer wherever it was set before.
1315         */
1316
1317         if (hmidi->istimer) {
1318                 hmidi->timer.expires = 1 + jiffies;
1319                 add_timer(&hmidi->timer);
1320         }
1321
1322         spin_unlock_irqrestore (&hmidi->lock, flags);
1323 }
1324
1325 static void snd_hdsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1326 {
1327         struct hdsp_midi *hmidi;
1328         unsigned long flags;
1329
1330         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1331         spin_lock_irqsave (&hmidi->lock, flags);
1332         if (up) {
1333                 if (!hmidi->istimer) {
1334                         init_timer(&hmidi->timer);
1335                         hmidi->timer.function = snd_hdsp_midi_output_timer;
1336                         hmidi->timer.data = (unsigned long) hmidi;
1337                         hmidi->timer.expires = 1 + jiffies;
1338                         add_timer(&hmidi->timer);
1339                         hmidi->istimer++;
1340                 }
1341         } else {
1342                 if (hmidi->istimer && --hmidi->istimer <= 0)
1343                         del_timer (&hmidi->timer);
1344         }
1345         spin_unlock_irqrestore (&hmidi->lock, flags);
1346         if (up)
1347                 snd_hdsp_midi_output_write(hmidi);
1348 }
1349
1350 static int snd_hdsp_midi_input_open(struct snd_rawmidi_substream *substream)
1351 {
1352         struct hdsp_midi *hmidi;
1353
1354         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1355         spin_lock_irq (&hmidi->lock);
1356         snd_hdsp_flush_midi_input (hmidi->hdsp, hmidi->id);
1357         hmidi->input = substream;
1358         spin_unlock_irq (&hmidi->lock);
1359
1360         return 0;
1361 }
1362
1363 static int snd_hdsp_midi_output_open(struct snd_rawmidi_substream *substream)
1364 {
1365         struct hdsp_midi *hmidi;
1366
1367         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1368         spin_lock_irq (&hmidi->lock);
1369         hmidi->output = substream;
1370         spin_unlock_irq (&hmidi->lock);
1371
1372         return 0;
1373 }
1374
1375 static int snd_hdsp_midi_input_close(struct snd_rawmidi_substream *substream)
1376 {
1377         struct hdsp_midi *hmidi;
1378
1379         snd_hdsp_midi_input_trigger (substream, 0);
1380
1381         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1382         spin_lock_irq (&hmidi->lock);
1383         hmidi->input = NULL;
1384         spin_unlock_irq (&hmidi->lock);
1385
1386         return 0;
1387 }
1388
1389 static int snd_hdsp_midi_output_close(struct snd_rawmidi_substream *substream)
1390 {
1391         struct hdsp_midi *hmidi;
1392
1393         snd_hdsp_midi_output_trigger (substream, 0);
1394
1395         hmidi = (struct hdsp_midi *) substream->rmidi->private_data;
1396         spin_lock_irq (&hmidi->lock);
1397         hmidi->output = NULL;
1398         spin_unlock_irq (&hmidi->lock);
1399
1400         return 0;
1401 }
1402
1403 static struct snd_rawmidi_ops snd_hdsp_midi_output =
1404 {
1405         .open =         snd_hdsp_midi_output_open,
1406         .close =        snd_hdsp_midi_output_close,
1407         .trigger =      snd_hdsp_midi_output_trigger,
1408 };
1409
1410 static struct snd_rawmidi_ops snd_hdsp_midi_input =
1411 {
1412         .open =         snd_hdsp_midi_input_open,
1413         .close =        snd_hdsp_midi_input_close,
1414         .trigger =      snd_hdsp_midi_input_trigger,
1415 };
1416
1417 static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id)
1418 {
1419         char buf[32];
1420
1421         hdsp->midi[id].id = id;
1422         hdsp->midi[id].rmidi = NULL;
1423         hdsp->midi[id].input = NULL;
1424         hdsp->midi[id].output = NULL;
1425         hdsp->midi[id].hdsp = hdsp;
1426         hdsp->midi[id].istimer = 0;
1427         hdsp->midi[id].pending = 0;
1428         spin_lock_init (&hdsp->midi[id].lock);
1429
1430         sprintf (buf, "%s MIDI %d", card->shortname, id+1);
1431         if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0)
1432                 return -1;
1433
1434         sprintf (hdsp->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
1435         hdsp->midi[id].rmidi->private_data = &hdsp->midi[id];
1436
1437         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output);
1438         snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdsp_midi_input);
1439
1440         hdsp->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1441                 SNDRV_RAWMIDI_INFO_INPUT |
1442                 SNDRV_RAWMIDI_INFO_DUPLEX;
1443
1444         return 0;
1445 }
1446
1447 /*-----------------------------------------------------------------------------
1448   Control Interface
1449   ----------------------------------------------------------------------------*/
1450
1451 static u32 snd_hdsp_convert_from_aes(struct snd_aes_iec958 *aes)
1452 {
1453         u32 val = 0;
1454         val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? HDSP_SPDIFProfessional : 0;
1455         val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? HDSP_SPDIFNonAudio : 0;
1456         if (val & HDSP_SPDIFProfessional)
1457                 val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1458         else
1459                 val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0;
1460         return val;
1461 }
1462
1463 static void snd_hdsp_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
1464 {
1465         aes->status[0] = ((val & HDSP_SPDIFProfessional) ? IEC958_AES0_PROFESSIONAL : 0) |
1466                          ((val & HDSP_SPDIFNonAudio) ? IEC958_AES0_NONAUDIO : 0);
1467         if (val & HDSP_SPDIFProfessional)
1468                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
1469         else
1470                 aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
1471 }
1472
1473 static int snd_hdsp_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1474 {
1475         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1476         uinfo->count = 1;
1477         return 0;
1478 }
1479
1480 static int snd_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1481 {
1482         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1483
1484         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif);
1485         return 0;
1486 }
1487
1488 static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1489 {
1490         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1491         int change;
1492         u32 val;
1493
1494         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1495         spin_lock_irq(&hdsp->lock);
1496         change = val != hdsp->creg_spdif;
1497         hdsp->creg_spdif = val;
1498         spin_unlock_irq(&hdsp->lock);
1499         return change;
1500 }
1501
1502 static int snd_hdsp_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1503 {
1504         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1505         uinfo->count = 1;
1506         return 0;
1507 }
1508
1509 static int snd_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1510 {
1511         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1512
1513         snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream);
1514         return 0;
1515 }
1516
1517 static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1518 {
1519         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1520         int change;
1521         u32 val;
1522
1523         val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958);
1524         spin_lock_irq(&hdsp->lock);
1525         change = val != hdsp->creg_spdif_stream;
1526         hdsp->creg_spdif_stream = val;
1527         hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
1528         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= val);
1529         spin_unlock_irq(&hdsp->lock);
1530         return change;
1531 }
1532
1533 static int snd_hdsp_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1534 {
1535         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1536         uinfo->count = 1;
1537         return 0;
1538 }
1539
1540 static int snd_hdsp_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1541 {
1542         ucontrol->value.iec958.status[0] = kcontrol->private_value;
1543         return 0;
1544 }
1545
1546 #define HDSP_SPDIF_IN(xname, xindex) \
1547 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1548   .name = xname, \
1549   .index = xindex, \
1550   .info = snd_hdsp_info_spdif_in, \
1551   .get = snd_hdsp_get_spdif_in, \
1552   .put = snd_hdsp_put_spdif_in }
1553
1554 static unsigned int hdsp_spdif_in(struct hdsp *hdsp)
1555 {
1556         return hdsp_decode_spdif_in(hdsp->control_register & HDSP_SPDIFInputMask);
1557 }
1558
1559 static int hdsp_set_spdif_input(struct hdsp *hdsp, int in)
1560 {
1561         hdsp->control_register &= ~HDSP_SPDIFInputMask;
1562         hdsp->control_register |= hdsp_encode_spdif_in(in);
1563         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1564         return 0;
1565 }
1566
1567 static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1568 {
1569         static char *texts[4] = {"Optical", "Coaxial", "Internal", "AES"};
1570         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1571
1572         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1573         uinfo->count = 1;
1574         uinfo->value.enumerated.items = ((hdsp->io_type == H9632) ? 4 : 3);
1575         if (uinfo->value.enumerated.item > ((hdsp->io_type == H9632) ? 3 : 2))
1576                 uinfo->value.enumerated.item = ((hdsp->io_type == H9632) ? 3 : 2);
1577         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1578         return 0;
1579 }
1580
1581 static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1582 {
1583         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1584
1585         ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp);
1586         return 0;
1587 }
1588
1589 static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1590 {
1591         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1592         int change;
1593         unsigned int val;
1594
1595         if (!snd_hdsp_use_is_exclusive(hdsp))
1596                 return -EBUSY;
1597         val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3);
1598         spin_lock_irq(&hdsp->lock);
1599         change = val != hdsp_spdif_in(hdsp);
1600         if (change)
1601                 hdsp_set_spdif_input(hdsp, val);
1602         spin_unlock_irq(&hdsp->lock);
1603         return change;
1604 }
1605
1606 #define HDSP_SPDIF_OUT(xname, xindex) \
1607 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1608   .info = snd_hdsp_info_spdif_bits, \
1609   .get = snd_hdsp_get_spdif_out, .put = snd_hdsp_put_spdif_out }
1610
1611 static int hdsp_spdif_out(struct hdsp *hdsp)
1612 {
1613         return (hdsp->control_register & HDSP_SPDIFOpticalOut) ? 1 : 0;
1614 }
1615
1616 static int hdsp_set_spdif_output(struct hdsp *hdsp, int out)
1617 {
1618         if (out)
1619                 hdsp->control_register |= HDSP_SPDIFOpticalOut;
1620         else
1621                 hdsp->control_register &= ~HDSP_SPDIFOpticalOut;
1622         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1623         return 0;
1624 }
1625
1626 static int snd_hdsp_info_spdif_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1627 {
1628         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1629         uinfo->count = 1;
1630         uinfo->value.integer.min = 0;
1631         uinfo->value.integer.max = 1;
1632         return 0;
1633 }
1634
1635 static int snd_hdsp_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1636 {
1637         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1638
1639         ucontrol->value.integer.value[0] = hdsp_spdif_out(hdsp);
1640         return 0;
1641 }
1642
1643 static int snd_hdsp_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1644 {
1645         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1646         int change;
1647         unsigned int val;
1648
1649         if (!snd_hdsp_use_is_exclusive(hdsp))
1650                 return -EBUSY;
1651         val = ucontrol->value.integer.value[0] & 1;
1652         spin_lock_irq(&hdsp->lock);
1653         change = (int)val != hdsp_spdif_out(hdsp);
1654         hdsp_set_spdif_output(hdsp, val);
1655         spin_unlock_irq(&hdsp->lock);
1656         return change;
1657 }
1658
1659 #define HDSP_SPDIF_PROFESSIONAL(xname, xindex) \
1660 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1661   .info = snd_hdsp_info_spdif_bits, \
1662   .get = snd_hdsp_get_spdif_professional, .put = snd_hdsp_put_spdif_professional }
1663
1664 static int hdsp_spdif_professional(struct hdsp *hdsp)
1665 {
1666         return (hdsp->control_register & HDSP_SPDIFProfessional) ? 1 : 0;
1667 }
1668
1669 static int hdsp_set_spdif_professional(struct hdsp *hdsp, int val)
1670 {
1671         if (val)
1672                 hdsp->control_register |= HDSP_SPDIFProfessional;
1673         else
1674                 hdsp->control_register &= ~HDSP_SPDIFProfessional;
1675         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1676         return 0;
1677 }
1678
1679 static int snd_hdsp_get_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1680 {
1681         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1682
1683         ucontrol->value.integer.value[0] = hdsp_spdif_professional(hdsp);
1684         return 0;
1685 }
1686
1687 static int snd_hdsp_put_spdif_professional(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1688 {
1689         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1690         int change;
1691         unsigned int val;
1692
1693         if (!snd_hdsp_use_is_exclusive(hdsp))
1694                 return -EBUSY;
1695         val = ucontrol->value.integer.value[0] & 1;
1696         spin_lock_irq(&hdsp->lock);
1697         change = (int)val != hdsp_spdif_professional(hdsp);
1698         hdsp_set_spdif_professional(hdsp, val);
1699         spin_unlock_irq(&hdsp->lock);
1700         return change;
1701 }
1702
1703 #define HDSP_SPDIF_EMPHASIS(xname, xindex) \
1704 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1705   .info = snd_hdsp_info_spdif_bits, \
1706   .get = snd_hdsp_get_spdif_emphasis, .put = snd_hdsp_put_spdif_emphasis }
1707
1708 static int hdsp_spdif_emphasis(struct hdsp *hdsp)
1709 {
1710         return (hdsp->control_register & HDSP_SPDIFEmphasis) ? 1 : 0;
1711 }
1712
1713 static int hdsp_set_spdif_emphasis(struct hdsp *hdsp, int val)
1714 {
1715         if (val)
1716                 hdsp->control_register |= HDSP_SPDIFEmphasis;
1717         else
1718                 hdsp->control_register &= ~HDSP_SPDIFEmphasis;
1719         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1720         return 0;
1721 }
1722
1723 static int snd_hdsp_get_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1724 {
1725         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1726
1727         ucontrol->value.integer.value[0] = hdsp_spdif_emphasis(hdsp);
1728         return 0;
1729 }
1730
1731 static int snd_hdsp_put_spdif_emphasis(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1732 {
1733         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1734         int change;
1735         unsigned int val;
1736
1737         if (!snd_hdsp_use_is_exclusive(hdsp))
1738                 return -EBUSY;
1739         val = ucontrol->value.integer.value[0] & 1;
1740         spin_lock_irq(&hdsp->lock);
1741         change = (int)val != hdsp_spdif_emphasis(hdsp);
1742         hdsp_set_spdif_emphasis(hdsp, val);
1743         spin_unlock_irq(&hdsp->lock);
1744         return change;
1745 }
1746
1747 #define HDSP_SPDIF_NON_AUDIO(xname, xindex) \
1748 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1749   .info = snd_hdsp_info_spdif_bits, \
1750   .get = snd_hdsp_get_spdif_nonaudio, .put = snd_hdsp_put_spdif_nonaudio }
1751
1752 static int hdsp_spdif_nonaudio(struct hdsp *hdsp)
1753 {
1754         return (hdsp->control_register & HDSP_SPDIFNonAudio) ? 1 : 0;
1755 }
1756
1757 static int hdsp_set_spdif_nonaudio(struct hdsp *hdsp, int val)
1758 {
1759         if (val)
1760                 hdsp->control_register |= HDSP_SPDIFNonAudio;
1761         else
1762                 hdsp->control_register &= ~HDSP_SPDIFNonAudio;
1763         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
1764         return 0;
1765 }
1766
1767 static int snd_hdsp_get_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1768 {
1769         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1770
1771         ucontrol->value.integer.value[0] = hdsp_spdif_nonaudio(hdsp);
1772         return 0;
1773 }
1774
1775 static int snd_hdsp_put_spdif_nonaudio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1776 {
1777         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1778         int change;
1779         unsigned int val;
1780
1781         if (!snd_hdsp_use_is_exclusive(hdsp))
1782                 return -EBUSY;
1783         val = ucontrol->value.integer.value[0] & 1;
1784         spin_lock_irq(&hdsp->lock);
1785         change = (int)val != hdsp_spdif_nonaudio(hdsp);
1786         hdsp_set_spdif_nonaudio(hdsp, val);
1787         spin_unlock_irq(&hdsp->lock);
1788         return change;
1789 }
1790
1791 #define HDSP_SPDIF_SAMPLE_RATE(xname, xindex) \
1792 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1793   .name = xname, \
1794   .index = xindex, \
1795   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1796   .info = snd_hdsp_info_spdif_sample_rate, \
1797   .get = snd_hdsp_get_spdif_sample_rate \
1798 }
1799
1800 static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1801 {
1802         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1803         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1804
1805         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1806         uinfo->count = 1;
1807         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7;
1808         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1809                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1810         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1811         return 0;
1812 }
1813
1814 static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1815 {
1816         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1817
1818         switch (hdsp_spdif_sample_rate(hdsp)) {
1819         case 32000:
1820                 ucontrol->value.enumerated.item[0] = 0;
1821                 break;
1822         case 44100:
1823                 ucontrol->value.enumerated.item[0] = 1;
1824                 break;
1825         case 48000:
1826                 ucontrol->value.enumerated.item[0] = 2;
1827                 break;
1828         case 64000:
1829                 ucontrol->value.enumerated.item[0] = 3;
1830                 break;
1831         case 88200:
1832                 ucontrol->value.enumerated.item[0] = 4;
1833                 break;
1834         case 96000:
1835                 ucontrol->value.enumerated.item[0] = 5;
1836                 break;
1837         case 128000:
1838                 ucontrol->value.enumerated.item[0] = 7;
1839                 break;
1840         case 176400:
1841                 ucontrol->value.enumerated.item[0] = 8;
1842                 break;
1843         case 192000:
1844                 ucontrol->value.enumerated.item[0] = 9;
1845                 break;
1846         default:
1847                 ucontrol->value.enumerated.item[0] = 6;
1848         }
1849         return 0;
1850 }
1851
1852 #define HDSP_SYSTEM_SAMPLE_RATE(xname, xindex) \
1853 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1854   .name = xname, \
1855   .index = xindex, \
1856   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1857   .info = snd_hdsp_info_system_sample_rate, \
1858   .get = snd_hdsp_get_system_sample_rate \
1859 }
1860
1861 static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1862 {
1863         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1864         uinfo->count = 1;
1865         return 0;
1866 }
1867
1868 static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1869 {
1870         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1871
1872         ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate;
1873         return 0;
1874 }
1875
1876 #define HDSP_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1877 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1878   .name = xname, \
1879   .index = xindex, \
1880   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1881   .info = snd_hdsp_info_autosync_sample_rate, \
1882   .get = snd_hdsp_get_autosync_sample_rate \
1883 }
1884
1885 static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1886 {
1887         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1888         static char *texts[] = {"32000", "44100", "48000", "64000", "88200", "96000", "None", "128000", "176400", "192000"};
1889         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1890         uinfo->count = 1;
1891         uinfo->value.enumerated.items = (hdsp->io_type == H9632) ? 10 : 7 ;
1892         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1893                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1894         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1895         return 0;
1896 }
1897
1898 static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1899 {
1900         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1901
1902         switch (hdsp_external_sample_rate(hdsp)) {
1903         case 32000:
1904                 ucontrol->value.enumerated.item[0] = 0;
1905                 break;
1906         case 44100:
1907                 ucontrol->value.enumerated.item[0] = 1;
1908                 break;
1909         case 48000:
1910                 ucontrol->value.enumerated.item[0] = 2;
1911                 break;
1912         case 64000:
1913                 ucontrol->value.enumerated.item[0] = 3;
1914                 break;
1915         case 88200:
1916                 ucontrol->value.enumerated.item[0] = 4;
1917                 break;
1918         case 96000:
1919                 ucontrol->value.enumerated.item[0] = 5;
1920                 break;
1921         case 128000:
1922                 ucontrol->value.enumerated.item[0] = 7;
1923                 break;
1924         case 176400:
1925                 ucontrol->value.enumerated.item[0] = 8;
1926                 break;
1927         case 192000:
1928                 ucontrol->value.enumerated.item[0] = 9;
1929                 break;
1930         default:
1931                 ucontrol->value.enumerated.item[0] = 6;
1932         }
1933         return 0;
1934 }
1935
1936 #define HDSP_SYSTEM_CLOCK_MODE(xname, xindex) \
1937 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1938   .name = xname, \
1939   .index = xindex, \
1940   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
1941   .info = snd_hdsp_info_system_clock_mode, \
1942   .get = snd_hdsp_get_system_clock_mode \
1943 }
1944
1945 static int hdsp_system_clock_mode(struct hdsp *hdsp)
1946 {
1947         if (hdsp->control_register & HDSP_ClockModeMaster)
1948                 return 0;
1949         else if (hdsp_external_sample_rate(hdsp) != hdsp->system_sample_rate)
1950                         return 0;
1951         return 1;
1952 }
1953
1954 static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1955 {
1956         static char *texts[] = {"Master", "Slave" };
1957
1958         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1959         uinfo->count = 1;
1960         uinfo->value.enumerated.items = 2;
1961         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1962                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
1963         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1964         return 0;
1965 }
1966
1967 static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1968 {
1969         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
1970
1971         ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp);
1972         return 0;
1973 }
1974
1975 #define HDSP_CLOCK_SOURCE(xname, xindex) \
1976 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1977   .name = xname, \
1978   .index = xindex, \
1979   .info = snd_hdsp_info_clock_source, \
1980   .get = snd_hdsp_get_clock_source, \
1981   .put = snd_hdsp_put_clock_source \
1982 }
1983
1984 static int hdsp_clock_source(struct hdsp *hdsp)
1985 {
1986         if (hdsp->control_register & HDSP_ClockModeMaster) {
1987                 switch (hdsp->system_sample_rate) {
1988                 case 32000:
1989                         return 1;
1990                 case 44100:
1991                         return 2;
1992                 case 48000:
1993                         return 3;
1994                 case 64000:
1995                         return 4;
1996                 case 88200:
1997                         return 5;
1998                 case 96000:
1999                         return 6;
2000                 case 128000:
2001                         return 7;
2002                 case 176400:
2003                         return 8;
2004                 case 192000:
2005                         return 9;
2006                 default:
2007                         return 3;
2008                 }
2009         } else {
2010                 return 0;
2011         }
2012 }
2013
2014 static int hdsp_set_clock_source(struct hdsp *hdsp, int mode)
2015 {
2016         int rate;
2017         switch (mode) {
2018         case HDSP_CLOCK_SOURCE_AUTOSYNC:
2019                 if (hdsp_external_sample_rate(hdsp) != 0) {
2020                     if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) {
2021                         hdsp->control_register &= ~HDSP_ClockModeMaster;
2022                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2023                         return 0;
2024                     }
2025                 }
2026                 return -1;
2027         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
2028                 rate = 32000;
2029                 break;
2030         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
2031                 rate = 44100;
2032                 break;
2033         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
2034                 rate = 48000;
2035                 break;
2036         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
2037                 rate = 64000;
2038                 break;
2039         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
2040                 rate = 88200;
2041                 break;
2042         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
2043                 rate = 96000;
2044                 break;
2045         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
2046                 rate = 128000;
2047                 break;
2048         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
2049                 rate = 176400;
2050                 break;
2051         case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
2052                 rate = 192000;
2053                 break;
2054         default:
2055                 rate = 48000;
2056         }
2057         hdsp->control_register |= HDSP_ClockModeMaster;
2058         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2059         hdsp_set_rate(hdsp, rate, 1);
2060         return 0;
2061 }
2062
2063 static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2064 {
2065         static char *texts[] = {"AutoSync", "Internal 32.0 kHz", "Internal 44.1 kHz", "Internal 48.0 kHz", "Internal 64.0 kHz", "Internal 88.2 kHz", "Internal 96.0 kHz", "Internal 128 kHz", "Internal 176.4 kHz", "Internal 192.0 KHz" };
2066         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2067
2068         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2069         uinfo->count = 1;
2070         if (hdsp->io_type == H9632)
2071             uinfo->value.enumerated.items = 10;
2072         else
2073             uinfo->value.enumerated.items = 7;
2074         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2075                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2076         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2077         return 0;
2078 }
2079
2080 static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2081 {
2082         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2083
2084         ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp);
2085         return 0;
2086 }
2087
2088 static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2089 {
2090         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2091         int change;
2092         int val;
2093
2094         if (!snd_hdsp_use_is_exclusive(hdsp))
2095                 return -EBUSY;
2096         val = ucontrol->value.enumerated.item[0];
2097         if (val < 0) val = 0;
2098         if (hdsp->io_type == H9632) {
2099                 if (val > 9)
2100                         val = 9;
2101         } else {
2102                 if (val > 6)
2103                         val = 6;
2104         }
2105         spin_lock_irq(&hdsp->lock);
2106         if (val != hdsp_clock_source(hdsp))
2107                 change = (hdsp_set_clock_source(hdsp, val) == 0) ? 1 : 0;
2108         else
2109                 change = 0;
2110         spin_unlock_irq(&hdsp->lock);
2111         return change;
2112 }
2113
2114 static int snd_hdsp_info_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2115 {
2116         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2117         uinfo->count = 1;
2118         uinfo->value.integer.min = 0;
2119         uinfo->value.integer.max = 1;
2120         return 0;
2121 }
2122
2123 static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2124 {
2125         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2126
2127         ucontrol->value.integer.value[0] = hdsp->clock_source_locked;
2128         return 0;
2129 }
2130
2131 static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2132 {
2133         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2134         int change;
2135
2136         change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked;
2137         if (change)
2138                 hdsp->clock_source_locked = ucontrol->value.integer.value[0];
2139         return change;
2140 }
2141
2142 #define HDSP_DA_GAIN(xname, xindex) \
2143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2144   .name = xname, \
2145   .index = xindex, \
2146   .info = snd_hdsp_info_da_gain, \
2147   .get = snd_hdsp_get_da_gain, \
2148   .put = snd_hdsp_put_da_gain \
2149 }
2150
2151 static int hdsp_da_gain(struct hdsp *hdsp)
2152 {
2153         switch (hdsp->control_register & HDSP_DAGainMask) {
2154         case HDSP_DAGainHighGain:
2155                 return 0;
2156         case HDSP_DAGainPlus4dBu:
2157                 return 1;
2158         case HDSP_DAGainMinus10dBV:
2159                 return 2;
2160         default:
2161                 return 1;
2162         }
2163 }
2164
2165 static int hdsp_set_da_gain(struct hdsp *hdsp, int mode)
2166 {
2167         hdsp->control_register &= ~HDSP_DAGainMask;
2168         switch (mode) {
2169         case 0:
2170                 hdsp->control_register |= HDSP_DAGainHighGain;
2171                 break;
2172         case 1:
2173                 hdsp->control_register |= HDSP_DAGainPlus4dBu;
2174                 break;
2175         case 2:
2176                 hdsp->control_register |= HDSP_DAGainMinus10dBV;
2177                 break;
2178         default:
2179                 return -1;
2180
2181         }
2182         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2183         return 0;
2184 }
2185
2186 static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2187 {
2188         static char *texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"};
2189
2190         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2191         uinfo->count = 1;
2192         uinfo->value.enumerated.items = 3;
2193         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2194                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2195         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2196         return 0;
2197 }
2198
2199 static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2200 {
2201         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2202
2203         ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp);
2204         return 0;
2205 }
2206
2207 static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2208 {
2209         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2210         int change;
2211         int val;
2212
2213         if (!snd_hdsp_use_is_exclusive(hdsp))
2214                 return -EBUSY;
2215         val = ucontrol->value.enumerated.item[0];
2216         if (val < 0) val = 0;
2217         if (val > 2) val = 2;
2218         spin_lock_irq(&hdsp->lock);
2219         if (val != hdsp_da_gain(hdsp))
2220                 change = (hdsp_set_da_gain(hdsp, val) == 0) ? 1 : 0;
2221         else
2222                 change = 0;
2223         spin_unlock_irq(&hdsp->lock);
2224         return change;
2225 }
2226
2227 #define HDSP_AD_GAIN(xname, xindex) \
2228 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2229   .name = xname, \
2230   .index = xindex, \
2231   .info = snd_hdsp_info_ad_gain, \
2232   .get = snd_hdsp_get_ad_gain, \
2233   .put = snd_hdsp_put_ad_gain \
2234 }
2235
2236 static int hdsp_ad_gain(struct hdsp *hdsp)
2237 {
2238         switch (hdsp->control_register & HDSP_ADGainMask) {
2239         case HDSP_ADGainMinus10dBV:
2240                 return 0;
2241         case HDSP_ADGainPlus4dBu:
2242                 return 1;
2243         case HDSP_ADGainLowGain:
2244                 return 2;
2245         default:
2246                 return 1;
2247         }
2248 }
2249
2250 static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode)
2251 {
2252         hdsp->control_register &= ~HDSP_ADGainMask;
2253         switch (mode) {
2254         case 0:
2255                 hdsp->control_register |= HDSP_ADGainMinus10dBV;
2256                 break;
2257         case 1:
2258                 hdsp->control_register |= HDSP_ADGainPlus4dBu;
2259                 break;
2260         case 2:
2261                 hdsp->control_register |= HDSP_ADGainLowGain;
2262                 break;
2263         default:
2264                 return -1;
2265
2266         }
2267         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2268         return 0;
2269 }
2270
2271 static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2272 {
2273         static char *texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"};
2274
2275         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2276         uinfo->count = 1;
2277         uinfo->value.enumerated.items = 3;
2278         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2279                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2280         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2281         return 0;
2282 }
2283
2284 static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2285 {
2286         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2287
2288         ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp);
2289         return 0;
2290 }
2291
2292 static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2293 {
2294         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2295         int change;
2296         int val;
2297
2298         if (!snd_hdsp_use_is_exclusive(hdsp))
2299                 return -EBUSY;
2300         val = ucontrol->value.enumerated.item[0];
2301         if (val < 0) val = 0;
2302         if (val > 2) val = 2;
2303         spin_lock_irq(&hdsp->lock);
2304         if (val != hdsp_ad_gain(hdsp))
2305                 change = (hdsp_set_ad_gain(hdsp, val) == 0) ? 1 : 0;
2306         else
2307                 change = 0;
2308         spin_unlock_irq(&hdsp->lock);
2309         return change;
2310 }
2311
2312 #define HDSP_PHONE_GAIN(xname, xindex) \
2313 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2314   .name = xname, \
2315   .index = xindex, \
2316   .info = snd_hdsp_info_phone_gain, \
2317   .get = snd_hdsp_get_phone_gain, \
2318   .put = snd_hdsp_put_phone_gain \
2319 }
2320
2321 static int hdsp_phone_gain(struct hdsp *hdsp)
2322 {
2323         switch (hdsp->control_register & HDSP_PhoneGainMask) {
2324         case HDSP_PhoneGain0dB:
2325                 return 0;
2326         case HDSP_PhoneGainMinus6dB:
2327                 return 1;
2328         case HDSP_PhoneGainMinus12dB:
2329                 return 2;
2330         default:
2331                 return 0;
2332         }
2333 }
2334
2335 static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode)
2336 {
2337         hdsp->control_register &= ~HDSP_PhoneGainMask;
2338         switch (mode) {
2339         case 0:
2340                 hdsp->control_register |= HDSP_PhoneGain0dB;
2341                 break;
2342         case 1:
2343                 hdsp->control_register |= HDSP_PhoneGainMinus6dB;
2344                 break;
2345         case 2:
2346                 hdsp->control_register |= HDSP_PhoneGainMinus12dB;
2347                 break;
2348         default:
2349                 return -1;
2350
2351         }
2352         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2353         return 0;
2354 }
2355
2356 static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2357 {
2358         static char *texts[] = {"0 dB", "-6 dB", "-12 dB"};
2359
2360         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2361         uinfo->count = 1;
2362         uinfo->value.enumerated.items = 3;
2363         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2364                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2365         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2366         return 0;
2367 }
2368
2369 static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2370 {
2371         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2372
2373         ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp);
2374         return 0;
2375 }
2376
2377 static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2378 {
2379         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2380         int change;
2381         int val;
2382
2383         if (!snd_hdsp_use_is_exclusive(hdsp))
2384                 return -EBUSY;
2385         val = ucontrol->value.enumerated.item[0];
2386         if (val < 0) val = 0;
2387         if (val > 2) val = 2;
2388         spin_lock_irq(&hdsp->lock);
2389         if (val != hdsp_phone_gain(hdsp))
2390                 change = (hdsp_set_phone_gain(hdsp, val) == 0) ? 1 : 0;
2391         else
2392                 change = 0;
2393         spin_unlock_irq(&hdsp->lock);
2394         return change;
2395 }
2396
2397 #define HDSP_XLR_BREAKOUT_CABLE(xname, xindex) \
2398 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2399   .name = xname, \
2400   .index = xindex, \
2401   .info = snd_hdsp_info_xlr_breakout_cable, \
2402   .get = snd_hdsp_get_xlr_breakout_cable, \
2403   .put = snd_hdsp_put_xlr_breakout_cable \
2404 }
2405
2406 static int hdsp_xlr_breakout_cable(struct hdsp *hdsp)
2407 {
2408         if (hdsp->control_register & HDSP_XLRBreakoutCable)
2409                 return 1;
2410         return 0;
2411 }
2412
2413 static int hdsp_set_xlr_breakout_cable(struct hdsp *hdsp, int mode)
2414 {
2415         if (mode)
2416                 hdsp->control_register |= HDSP_XLRBreakoutCable;
2417         else
2418                 hdsp->control_register &= ~HDSP_XLRBreakoutCable;
2419         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2420         return 0;
2421 }
2422
2423 static int snd_hdsp_info_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2424 {
2425         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2426         uinfo->count = 1;
2427         uinfo->value.integer.min = 0;
2428         uinfo->value.integer.max = 1;
2429         return 0;
2430 }
2431
2432 static int snd_hdsp_get_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2433 {
2434         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2435
2436         ucontrol->value.enumerated.item[0] = hdsp_xlr_breakout_cable(hdsp);
2437         return 0;
2438 }
2439
2440 static int snd_hdsp_put_xlr_breakout_cable(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2441 {
2442         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2443         int change;
2444         int val;
2445
2446         if (!snd_hdsp_use_is_exclusive(hdsp))
2447                 return -EBUSY;
2448         val = ucontrol->value.integer.value[0] & 1;
2449         spin_lock_irq(&hdsp->lock);
2450         change = (int)val != hdsp_xlr_breakout_cable(hdsp);
2451         hdsp_set_xlr_breakout_cable(hdsp, val);
2452         spin_unlock_irq(&hdsp->lock);
2453         return change;
2454 }
2455
2456 /* (De)activates old RME Analog Extension Board
2457    These are connected to the internal ADAT connector
2458    Switching this on desactivates external ADAT
2459 */
2460 #define HDSP_AEB(xname, xindex) \
2461 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2462   .name = xname, \
2463   .index = xindex, \
2464   .info = snd_hdsp_info_aeb, \
2465   .get = snd_hdsp_get_aeb, \
2466   .put = snd_hdsp_put_aeb \
2467 }
2468
2469 static int hdsp_aeb(struct hdsp *hdsp)
2470 {
2471         if (hdsp->control_register & HDSP_AnalogExtensionBoard)
2472                 return 1;
2473         return 0;
2474 }
2475
2476 static int hdsp_set_aeb(struct hdsp *hdsp, int mode)
2477 {
2478         if (mode)
2479                 hdsp->control_register |= HDSP_AnalogExtensionBoard;
2480         else
2481                 hdsp->control_register &= ~HDSP_AnalogExtensionBoard;
2482         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2483         return 0;
2484 }
2485
2486 static int snd_hdsp_info_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2487 {
2488         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2489         uinfo->count = 1;
2490         uinfo->value.integer.min = 0;
2491         uinfo->value.integer.max = 1;
2492         return 0;
2493 }
2494
2495 static int snd_hdsp_get_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2496 {
2497         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2498
2499         ucontrol->value.enumerated.item[0] = hdsp_aeb(hdsp);
2500         return 0;
2501 }
2502
2503 static int snd_hdsp_put_aeb(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2504 {
2505         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2506         int change;
2507         int val;
2508
2509         if (!snd_hdsp_use_is_exclusive(hdsp))
2510                 return -EBUSY;
2511         val = ucontrol->value.integer.value[0] & 1;
2512         spin_lock_irq(&hdsp->lock);
2513         change = (int)val != hdsp_aeb(hdsp);
2514         hdsp_set_aeb(hdsp, val);
2515         spin_unlock_irq(&hdsp->lock);
2516         return change;
2517 }
2518
2519 #define HDSP_PREF_SYNC_REF(xname, xindex) \
2520 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2521   .name = xname, \
2522   .index = xindex, \
2523   .info = snd_hdsp_info_pref_sync_ref, \
2524   .get = snd_hdsp_get_pref_sync_ref, \
2525   .put = snd_hdsp_put_pref_sync_ref \
2526 }
2527
2528 static int hdsp_pref_sync_ref(struct hdsp *hdsp)
2529 {
2530         /* Notice that this looks at the requested sync source,
2531            not the one actually in use.
2532         */
2533
2534         switch (hdsp->control_register & HDSP_SyncRefMask) {
2535         case HDSP_SyncRef_ADAT1:
2536                 return HDSP_SYNC_FROM_ADAT1;
2537         case HDSP_SyncRef_ADAT2:
2538                 return HDSP_SYNC_FROM_ADAT2;
2539         case HDSP_SyncRef_ADAT3:
2540                 return HDSP_SYNC_FROM_ADAT3;
2541         case HDSP_SyncRef_SPDIF:
2542                 return HDSP_SYNC_FROM_SPDIF;
2543         case HDSP_SyncRef_WORD:
2544                 return HDSP_SYNC_FROM_WORD;
2545         case HDSP_SyncRef_ADAT_SYNC:
2546                 return HDSP_SYNC_FROM_ADAT_SYNC;
2547         default:
2548                 return HDSP_SYNC_FROM_WORD;
2549         }
2550         return 0;
2551 }
2552
2553 static int hdsp_set_pref_sync_ref(struct hdsp *hdsp, int pref)
2554 {
2555         hdsp->control_register &= ~HDSP_SyncRefMask;
2556         switch (pref) {
2557         case HDSP_SYNC_FROM_ADAT1:
2558                 hdsp->control_register &= ~HDSP_SyncRefMask; /* clear SyncRef bits */
2559                 break;
2560         case HDSP_SYNC_FROM_ADAT2:
2561                 hdsp->control_register |= HDSP_SyncRef_ADAT2;
2562                 break;
2563         case HDSP_SYNC_FROM_ADAT3:
2564                 hdsp->control_register |= HDSP_SyncRef_ADAT3;
2565                 break;
2566         case HDSP_SYNC_FROM_SPDIF:
2567                 hdsp->control_register |= HDSP_SyncRef_SPDIF;
2568                 break;
2569         case HDSP_SYNC_FROM_WORD:
2570                 hdsp->control_register |= HDSP_SyncRef_WORD;
2571                 break;
2572         case HDSP_SYNC_FROM_ADAT_SYNC:
2573                 hdsp->control_register |= HDSP_SyncRef_ADAT_SYNC;
2574                 break;
2575         default:
2576                 return -1;
2577         }
2578         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2579         return 0;
2580 }
2581
2582 static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2583 {
2584         static char *texts[] = {"Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" };
2585         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2586
2587         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2588         uinfo->count = 1;
2589
2590         switch (hdsp->io_type) {
2591         case Digiface:
2592         case H9652:
2593                 uinfo->value.enumerated.items = 6;
2594                 break;
2595         case Multiface:
2596                 uinfo->value.enumerated.items = 4;
2597                 break;
2598         case H9632:
2599                 uinfo->value.enumerated.items = 3;
2600                 break;
2601         default:
2602                 uinfo->value.enumerated.items = 0;
2603                 break;
2604         }
2605
2606         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2607                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2608         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2609         return 0;
2610 }
2611
2612 static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2613 {
2614         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2615
2616         ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp);
2617         return 0;
2618 }
2619
2620 static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2621 {
2622         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2623         int change, max;
2624         unsigned int val;
2625
2626         if (!snd_hdsp_use_is_exclusive(hdsp))
2627                 return -EBUSY;
2628
2629         switch (hdsp->io_type) {
2630         case Digiface:
2631         case H9652:
2632                 max = 6;
2633                 break;
2634         case Multiface:
2635                 max = 4;
2636                 break;
2637         case H9632:
2638                 max = 3;
2639                 break;
2640         default:
2641                 return -EIO;
2642         }
2643
2644         val = ucontrol->value.enumerated.item[0] % max;
2645         spin_lock_irq(&hdsp->lock);
2646         change = (int)val != hdsp_pref_sync_ref(hdsp);
2647         hdsp_set_pref_sync_ref(hdsp, val);
2648         spin_unlock_irq(&hdsp->lock);
2649         return change;
2650 }
2651
2652 #define HDSP_AUTOSYNC_REF(xname, xindex) \
2653 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2654   .name = xname, \
2655   .index = xindex, \
2656   .access = SNDRV_CTL_ELEM_ACCESS_READ, \
2657   .info = snd_hdsp_info_autosync_ref, \
2658   .get = snd_hdsp_get_autosync_ref, \
2659 }
2660
2661 static int hdsp_autosync_ref(struct hdsp *hdsp)
2662 {
2663         /* This looks at the autosync selected sync reference */
2664         unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
2665
2666         switch (status2 & HDSP_SelSyncRefMask) {
2667         case HDSP_SelSyncRef_WORD:
2668                 return HDSP_AUTOSYNC_FROM_WORD;
2669         case HDSP_SelSyncRef_ADAT_SYNC:
2670                 return HDSP_AUTOSYNC_FROM_ADAT_SYNC;
2671         case HDSP_SelSyncRef_SPDIF:
2672                 return HDSP_AUTOSYNC_FROM_SPDIF;
2673         case HDSP_SelSyncRefMask:
2674                 return HDSP_AUTOSYNC_FROM_NONE;
2675         case HDSP_SelSyncRef_ADAT1:
2676                 return HDSP_AUTOSYNC_FROM_ADAT1;
2677         case HDSP_SelSyncRef_ADAT2:
2678                 return HDSP_AUTOSYNC_FROM_ADAT2;
2679         case HDSP_SelSyncRef_ADAT3:
2680                 return HDSP_AUTOSYNC_FROM_ADAT3;
2681         default:
2682                 return HDSP_AUTOSYNC_FROM_WORD;
2683         }
2684         return 0;
2685 }
2686
2687 static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2688 {
2689         static char *texts[] = {"Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" };
2690
2691         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2692         uinfo->count = 1;
2693         uinfo->value.enumerated.items = 7;
2694         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2695                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2696         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2697         return 0;
2698 }
2699
2700 static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2701 {
2702         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2703
2704         ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp);
2705         return 0;
2706 }
2707
2708 #define HDSP_LINE_OUT(xname, xindex) \
2709 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2710   .name = xname, \
2711   .index = xindex, \
2712   .info = snd_hdsp_info_line_out, \
2713   .get = snd_hdsp_get_line_out, \
2714   .put = snd_hdsp_put_line_out \
2715 }
2716
2717 static int hdsp_line_out(struct hdsp *hdsp)
2718 {
2719         return (hdsp->control_register & HDSP_LineOut) ? 1 : 0;
2720 }
2721
2722 static int hdsp_set_line_output(struct hdsp *hdsp, int out)
2723 {
2724         if (out)
2725                 hdsp->control_register |= HDSP_LineOut;
2726         else
2727                 hdsp->control_register &= ~HDSP_LineOut;
2728         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
2729         return 0;
2730 }
2731
2732 static int snd_hdsp_info_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2733 {
2734         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2735         uinfo->count = 1;
2736         uinfo->value.integer.min = 0;
2737         uinfo->value.integer.max = 1;
2738         return 0;
2739 }
2740
2741 static int snd_hdsp_get_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2742 {
2743         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2744
2745         spin_lock_irq(&hdsp->lock);
2746         ucontrol->value.integer.value[0] = hdsp_line_out(hdsp);
2747         spin_unlock_irq(&hdsp->lock);
2748         return 0;
2749 }
2750
2751 static int snd_hdsp_put_line_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2752 {
2753         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2754         int change;
2755         unsigned int val;
2756
2757         if (!snd_hdsp_use_is_exclusive(hdsp))
2758                 return -EBUSY;
2759         val = ucontrol->value.integer.value[0] & 1;
2760         spin_lock_irq(&hdsp->lock);
2761         change = (int)val != hdsp_line_out(hdsp);
2762         hdsp_set_line_output(hdsp, val);
2763         spin_unlock_irq(&hdsp->lock);
2764         return change;
2765 }
2766
2767 #define HDSP_PRECISE_POINTER(xname, xindex) \
2768 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2769   .name = xname, \
2770   .index = xindex, \
2771   .info = snd_hdsp_info_precise_pointer, \
2772   .get = snd_hdsp_get_precise_pointer, \
2773   .put = snd_hdsp_put_precise_pointer \
2774 }
2775
2776 static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise)
2777 {
2778         if (precise)
2779                 hdsp->precise_ptr = 1;
2780         else
2781                 hdsp->precise_ptr = 0;
2782         return 0;
2783 }
2784
2785 static int snd_hdsp_info_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2786 {
2787         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2788         uinfo->count = 1;
2789         uinfo->value.integer.min = 0;
2790         uinfo->value.integer.max = 1;
2791         return 0;
2792 }
2793
2794 static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2795 {
2796         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2797
2798         spin_lock_irq(&hdsp->lock);
2799         ucontrol->value.integer.value[0] = hdsp->precise_ptr;
2800         spin_unlock_irq(&hdsp->lock);
2801         return 0;
2802 }
2803
2804 static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2805 {
2806         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2807         int change;
2808         unsigned int val;
2809
2810         if (!snd_hdsp_use_is_exclusive(hdsp))
2811                 return -EBUSY;
2812         val = ucontrol->value.integer.value[0] & 1;
2813         spin_lock_irq(&hdsp->lock);
2814         change = (int)val != hdsp->precise_ptr;
2815         hdsp_set_precise_pointer(hdsp, val);
2816         spin_unlock_irq(&hdsp->lock);
2817         return change;
2818 }
2819
2820 #define HDSP_USE_MIDI_TASKLET(xname, xindex) \
2821 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, \
2822   .name = xname, \
2823   .index = xindex, \
2824   .info = snd_hdsp_info_use_midi_tasklet, \
2825   .get = snd_hdsp_get_use_midi_tasklet, \
2826   .put = snd_hdsp_put_use_midi_tasklet \
2827 }
2828
2829 static int hdsp_set_use_midi_tasklet(struct hdsp *hdsp, int use_tasklet)
2830 {
2831         if (use_tasklet)
2832                 hdsp->use_midi_tasklet = 1;
2833         else
2834                 hdsp->use_midi_tasklet = 0;
2835         return 0;
2836 }
2837
2838 static int snd_hdsp_info_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2839 {
2840         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2841         uinfo->count = 1;
2842         uinfo->value.integer.min = 0;
2843         uinfo->value.integer.max = 1;
2844         return 0;
2845 }
2846
2847 static int snd_hdsp_get_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2848 {
2849         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2850
2851         spin_lock_irq(&hdsp->lock);
2852         ucontrol->value.integer.value[0] = hdsp->use_midi_tasklet;
2853         spin_unlock_irq(&hdsp->lock);
2854         return 0;
2855 }
2856
2857 static int snd_hdsp_put_use_midi_tasklet(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2858 {
2859         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2860         int change;
2861         unsigned int val;
2862
2863         if (!snd_hdsp_use_is_exclusive(hdsp))
2864                 return -EBUSY;
2865         val = ucontrol->value.integer.value[0] & 1;
2866         spin_lock_irq(&hdsp->lock);
2867         change = (int)val != hdsp->use_midi_tasklet;
2868         hdsp_set_use_midi_tasklet(hdsp, val);
2869         spin_unlock_irq(&hdsp->lock);
2870         return change;
2871 }
2872
2873 #define HDSP_MIXER(xname, xindex) \
2874 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
2875   .name = xname, \
2876   .index = xindex, \
2877   .device = 0, \
2878   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
2879                  SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2880   .info = snd_hdsp_info_mixer, \
2881   .get = snd_hdsp_get_mixer, \
2882   .put = snd_hdsp_put_mixer \
2883 }
2884
2885 static int snd_hdsp_info_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2886 {
2887         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2888         uinfo->count = 3;
2889         uinfo->value.integer.min = 0;
2890         uinfo->value.integer.max = 65536;
2891         uinfo->value.integer.step = 1;
2892         return 0;
2893 }
2894
2895 static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2896 {
2897         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2898         int source;
2899         int destination;
2900         int addr;
2901
2902         source = ucontrol->value.integer.value[0];
2903         destination = ucontrol->value.integer.value[1];
2904
2905         if (source >= hdsp->max_channels)
2906                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination);
2907         else
2908                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2909
2910         spin_lock_irq(&hdsp->lock);
2911         ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr);
2912         spin_unlock_irq(&hdsp->lock);
2913         return 0;
2914 }
2915
2916 static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2917 {
2918         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2919         int change;
2920         int source;
2921         int destination;
2922         int gain;
2923         int addr;
2924
2925         if (!snd_hdsp_use_is_exclusive(hdsp))
2926                 return -EBUSY;
2927
2928         source = ucontrol->value.integer.value[0];
2929         destination = ucontrol->value.integer.value[1];
2930
2931         if (source >= hdsp->max_channels)
2932                 addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels, destination);
2933         else
2934                 addr = hdsp_input_to_output_key(hdsp,source, destination);
2935
2936         gain = ucontrol->value.integer.value[2];
2937
2938         spin_lock_irq(&hdsp->lock);
2939         change = gain != hdsp_read_gain(hdsp, addr);
2940         if (change)
2941                 hdsp_write_gain(hdsp, addr, gain);
2942         spin_unlock_irq(&hdsp->lock);
2943         return change;
2944 }
2945
2946 #define HDSP_WC_SYNC_CHECK(xname, xindex) \
2947 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2948   .name = xname, \
2949   .index = xindex, \
2950   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2951   .info = snd_hdsp_info_sync_check, \
2952   .get = snd_hdsp_get_wc_sync_check \
2953 }
2954
2955 static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
2956 {
2957         static char *texts[] = {"No Lock", "Lock", "Sync" };
2958         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2959         uinfo->count = 1;
2960         uinfo->value.enumerated.items = 3;
2961         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2962                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2963         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2964         return 0;
2965 }
2966
2967 static int hdsp_wc_sync_check(struct hdsp *hdsp)
2968 {
2969         int status2 = hdsp_read(hdsp, HDSP_status2Register);
2970         if (status2 & HDSP_wc_lock) {
2971                 if (status2 & HDSP_wc_sync)
2972                         return 2;
2973                 else
2974                          return 1;
2975         } else
2976                 return 0;
2977         return 0;
2978 }
2979
2980 static int snd_hdsp_get_wc_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2981 {
2982         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
2983
2984         ucontrol->value.enumerated.item[0] = hdsp_wc_sync_check(hdsp);
2985         return 0;
2986 }
2987
2988 #define HDSP_SPDIF_SYNC_CHECK(xname, xindex) \
2989 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2990   .name = xname, \
2991   .index = xindex, \
2992   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
2993   .info = snd_hdsp_info_sync_check, \
2994   .get = snd_hdsp_get_spdif_sync_check \
2995 }
2996
2997 static int hdsp_spdif_sync_check(struct hdsp *hdsp)
2998 {
2999         int status = hdsp_read(hdsp, HDSP_statusRegister);
3000         if (status & HDSP_SPDIFErrorFlag)
3001                 return 0;
3002         else {
3003                 if (status & HDSP_SPDIFSync)
3004                         return 2;
3005                 else
3006                         return 1;
3007         }
3008         return 0;
3009 }
3010
3011 static int snd_hdsp_get_spdif_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3012 {
3013         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3014
3015         ucontrol->value.enumerated.item[0] = hdsp_spdif_sync_check(hdsp);
3016         return 0;
3017 }
3018
3019 #define HDSP_ADATSYNC_SYNC_CHECK(xname, xindex) \
3020 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3021   .name = xname, \
3022   .index = xindex, \
3023   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3024   .info = snd_hdsp_info_sync_check, \
3025   .get = snd_hdsp_get_adatsync_sync_check \
3026 }
3027
3028 static int hdsp_adatsync_sync_check(struct hdsp *hdsp)
3029 {
3030         int status = hdsp_read(hdsp, HDSP_statusRegister);
3031         if (status & HDSP_TimecodeLock) {
3032                 if (status & HDSP_TimecodeSync)
3033                         return 2;
3034                 else
3035                         return 1;
3036         } else
3037                 return 0;
3038 }
3039
3040 static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3041 {
3042         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3043
3044         ucontrol->value.enumerated.item[0] = hdsp_adatsync_sync_check(hdsp);
3045         return 0;
3046 }
3047
3048 #define HDSP_ADAT_SYNC_CHECK \
3049 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3050   .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
3051   .info = snd_hdsp_info_sync_check, \
3052   .get = snd_hdsp_get_adat_sync_check \
3053 }
3054
3055 static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx)
3056 {
3057         int status = hdsp_read(hdsp, HDSP_statusRegister);
3058
3059         if (status & (HDSP_Lock0>>idx)) {
3060                 if (status & (HDSP_Sync0>>idx))
3061                         return 2;
3062                 else
3063                         return 1;
3064         } else
3065                 return 0;
3066 }
3067
3068 static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3069 {
3070         int offset;
3071         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3072
3073         offset = ucontrol->id.index - 1;
3074         snd_assert(offset >= 0);
3075
3076         switch (hdsp->io_type) {
3077         case Digiface:
3078         case H9652:
3079                 if (offset >= 3)
3080                         return -EINVAL;
3081                 break;
3082         case Multiface:
3083         case H9632:
3084                 if (offset >= 1)
3085                         return -EINVAL;
3086                 break;
3087         default:
3088                 return -EIO;
3089         }
3090
3091         ucontrol->value.enumerated.item[0] = hdsp_adat_sync_check(hdsp, offset);
3092         return 0;
3093 }
3094
3095 #define HDSP_DDS_OFFSET(xname, xindex) \
3096 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
3097   .name = xname, \
3098   .index = xindex, \
3099   .info = snd_hdsp_info_dds_offset, \
3100   .get = snd_hdsp_get_dds_offset, \
3101   .put = snd_hdsp_put_dds_offset \
3102 }
3103
3104 static int hdsp_dds_offset(struct hdsp *hdsp)
3105 {
3106         u64 n;
3107         u32 r;
3108         unsigned int dds_value = hdsp->dds_value;
3109         int system_sample_rate = hdsp->system_sample_rate;
3110
3111         n = DDS_NUMERATOR;
3112         /*
3113          * dds_value = n / rate
3114          * rate = n / dds_value
3115          */
3116         div64_32(&n, dds_value, &r);
3117         if (system_sample_rate >= 112000)
3118                 n *= 4;
3119         else if (system_sample_rate >= 56000)
3120                 n *= 2;
3121         return ((int)n) - system_sample_rate;
3122 }
3123
3124 static int hdsp_set_dds_offset(struct hdsp *hdsp, int offset_hz)
3125 {
3126         int rate = hdsp->system_sample_rate + offset_hz;
3127         hdsp_set_dds_value(hdsp, rate);
3128         return 0;
3129 }
3130
3131 static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
3132 {
3133         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3134         uinfo->count = 1;
3135         uinfo->value.integer.min = -5000;
3136         uinfo->value.integer.max = 5000;
3137         return 0;
3138 }
3139
3140 static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3141 {
3142         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3143
3144         ucontrol->value.enumerated.item[0] = hdsp_dds_offset(hdsp);
3145         return 0;
3146 }
3147
3148 static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
3149 {
3150         struct hdsp *hdsp = snd_kcontrol_chip(kcontrol);
3151         int change;
3152         int val;
3153
3154         if (!snd_hdsp_use_is_exclusive(hdsp))
3155                 return -EBUSY;
3156         val = ucontrol->value.enumerated.item[0];
3157         spin_lock_irq(&hdsp->lock);
3158         if (val != hdsp_dds_offset(hdsp))
3159                 change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0;
3160         else
3161                 change = 0;
3162         spin_unlock_irq(&hdsp->lock);
3163         return change;
3164 }
3165
3166 static struct snd_kcontrol_new snd_hdsp_9632_controls[] = {
3167 HDSP_DA_GAIN("DA Gain", 0),
3168 HDSP_AD_GAIN("AD Gain", 0),
3169 HDSP_PHONE_GAIN("Phones Gain", 0),
3170 HDSP_XLR_BREAKOUT_CABLE("XLR Breakout Cable", 0),
3171 HDSP_DDS_OFFSET("DDS Sample Rate Offset", 0)
3172 };
3173
3174 static struct snd_kcontrol_new snd_hdsp_controls[] = {
3175 {
3176         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3177         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
3178         .info =         snd_hdsp_control_spdif_info,
3179         .get =          snd_hdsp_control_spdif_get,
3180         .put =          snd_hdsp_control_spdif_put,
3181 },
3182 {
3183         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
3184         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3185         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
3186         .info =         snd_hdsp_control_spdif_stream_info,
3187         .get =          snd_hdsp_control_spdif_stream_get,
3188         .put =          snd_hdsp_control_spdif_stream_put,
3189 },
3190 {
3191         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3192         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3193         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
3194         .info =         snd_hdsp_control_spdif_mask_info,
3195         .get =          snd_hdsp_control_spdif_mask_get,
3196         .private_value = IEC958_AES0_NONAUDIO |
3197                          IEC958_AES0_PROFESSIONAL |
3198                          IEC958_AES0_CON_EMPHASIS,
3199 },
3200 {
3201         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
3202         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
3203         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
3204         .info =         snd_hdsp_control_spdif_mask_info,
3205         .get =          snd_hdsp_control_spdif_mask_get,
3206         .private_value = IEC958_AES0_NONAUDIO |
3207                          IEC958_AES0_PROFESSIONAL |
3208                          IEC958_AES0_PRO_EMPHASIS,
3209 },
3210 HDSP_MIXER("Mixer", 0),
3211 HDSP_SPDIF_IN("IEC958 Input Connector", 0),
3212 HDSP_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
3213 HDSP_SPDIF_PROFESSIONAL("IEC958 Professional Bit", 0),
3214 HDSP_SPDIF_EMPHASIS("IEC958 Emphasis Bit", 0),
3215 HDSP_SPDIF_NON_AUDIO("IEC958 Non-audio Bit", 0),
3216 /* 'Sample Clock Source' complies with the alsa control naming scheme */
3217 HDSP_CLOCK_SOURCE("Sample Clock Source", 0),
3218 {
3219         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3220         .name = "Sample Clock Source Locking",
3221         .info = snd_hdsp_info_clock_source_lock,
3222         .get = snd_hdsp_get_clock_source_lock,
3223         .put = snd_hdsp_put_clock_source_lock,
3224 },
3225 HDSP_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
3226 HDSP_PREF_SYNC_REF("Preferred Sync Reference", 0),
3227 HDSP_AUTOSYNC_REF("AutoSync Reference", 0),
3228 HDSP_SPDIF_SAMPLE_RATE("SPDIF Sample Rate", 0),
3229 HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
3230 /* 'External Rate' complies with the alsa control naming scheme */
3231 HDSP_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
3232 HDSP_WC_SYNC_CHECK("Word Clock Lock Status", 0),
3233 HDSP_SPDIF_SYNC_CHECK("SPDIF Lock Status", 0),
3234 HDSP_ADATSYNC_SYNC_CHECK("ADAT Sync Lock Status", 0),
3235 HDSP_LINE_OUT("Line Out", 0),
3236 HDSP_PRECISE_POINTER("Precise Pointer", 0),
3237 HDSP_USE_MIDI_TASKLET("Use Midi Tasklet", 0),
3238 };
3239
3240 static struct snd_kcontrol_new snd_hdsp_96xx_aeb = HDSP_AEB("Analog Extension Board", 0);
3241 static struct snd_kcontrol_new snd_hdsp_adat_sync_check = HDSP_ADAT_SYNC_CHECK;
3242
3243 static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp)
3244 {
3245         unsigned int idx;
3246         int err;
3247         struct snd_kcontrol *kctl;
3248
3249         for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_controls); idx++) {
3250                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_controls[idx], hdsp))) < 0)
3251                         return err;
3252                 if (idx == 1)   /* IEC958 (S/PDIF) Stream */
3253                         hdsp->spdif_ctl = kctl;
3254         }
3255
3256         /* ADAT SyncCheck status */
3257         snd_hdsp_adat_sync_check.name = "ADAT Lock Status";
3258         snd_hdsp_adat_sync_check.index = 1;
3259         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3260                 return err;
3261         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
3262                 for (idx = 1; idx < 3; ++idx) {
3263                         snd_hdsp_adat_sync_check.index = idx+1;
3264                         if ((err = snd_ctl_add (card, kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp))))
3265                                 return err;
3266                 }
3267         }
3268
3269         /* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */
3270         if (hdsp->io_type == H9632) {
3271                 for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) {
3272                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_9632_controls[idx], hdsp))) < 0)
3273                                 return err;
3274                 }
3275         }
3276
3277         /* AEB control for H96xx card */
3278         if (hdsp->io_type == H9632 || hdsp->io_type == H9652) {
3279                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_hdsp_96xx_aeb, hdsp))) < 0)
3280                                 return err;
3281         }
3282
3283         return 0;
3284 }
3285
3286 /*------------------------------------------------------------
3287    /proc interface
3288  ------------------------------------------------------------*/
3289
3290 static void
3291 snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
3292 {
3293         struct hdsp *hdsp = (struct hdsp *) entry->private_data;
3294         unsigned int status;
3295         unsigned int status2;
3296         char *pref_sync_ref;
3297         char *autosync_ref;
3298         char *system_clock_mode;
3299         char *clock_source;
3300         int x;
3301
3302         if (hdsp_check_for_iobox (hdsp)) {
3303                 snd_iprintf(buffer, "No I/O box connected.\nPlease connect one and upload firmware.\n");
3304                 return;
3305         }
3306
3307         if (hdsp_check_for_firmware(hdsp, 0)) {
3308                 if (hdsp->state & HDSP_FirmwareCached) {
3309                         if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
3310                                 snd_iprintf(buffer, "Firmware loading from cache failed, please upload manually.\n");
3311                                 return;
3312                         }
3313                 } else {
3314                         int err = -EINVAL;
3315 #ifdef HDSP_FW_LOADER
3316                         err = hdsp_request_fw_loader(hdsp);
3317 #endif
3318                         if (err < 0) {
3319                                 snd_iprintf(buffer,
3320                                             "No firmware loaded nor cached, "
3321                                             "please upload firmware.\n");
3322                                 return;
3323                         }
3324                 }
3325         }
3326
3327         status = hdsp_read(hdsp, HDSP_statusRegister);
3328         status2 = hdsp_read(hdsp, HDSP_status2Register);
3329
3330         snd_iprintf(buffer, "%s (Card #%d)\n", hdsp->card_name, hdsp->card->number + 1);
3331         snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
3332                     hdsp->capture_buffer, hdsp->playback_buffer);
3333         snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
3334                     hdsp->irq, hdsp->port, (unsigned long)hdsp->iobase);
3335         snd_iprintf(buffer, "Control register: 0x%x\n", hdsp->control_register);
3336         snd_iprintf(buffer, "Control2 register: 0x%x\n", hdsp->control2_register);
3337         snd_iprintf(buffer, "Status register: 0x%x\n", status);
3338         snd_iprintf(buffer, "Status2 register: 0x%x\n", status2);
3339         snd_iprintf(buffer, "FIFO status: %d\n", hdsp_read(hdsp, HDSP_fifoStatus) & 0xff);
3340         snd_iprintf(buffer, "MIDI1 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut0));
3341         snd_iprintf(buffer, "MIDI1 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn0));
3342         snd_iprintf(buffer, "MIDI2 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut1));
3343         snd_iprintf(buffer, "MIDI2 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn1));
3344         snd_iprintf(buffer, "Use Midi Tasklet: %s\n", hdsp->use_midi_tasklet ? "on" : "off");
3345
3346         snd_iprintf(buffer, "\n");
3347
3348         x = 1 << (6 + hdsp_decode_latency(hdsp->control_register & HDSP_LatencyMask));
3349
3350         snd_iprintf(buffer, "Buffer Size (Latency): %d samples (2 periods of %lu bytes)\n", x, (unsigned long) hdsp->period_bytes);
3351         snd_iprintf(buffer, "Hardware pointer (frames): %ld\n", hdsp_hw_pointer(hdsp));
3352         snd_iprintf(buffer, "Precise pointer: %s\n", hdsp->precise_ptr ? "on" : "off");
3353         snd_iprintf(buffer, "Line out: %s\n", (hdsp->control_register & HDSP_LineOut) ? "on" : "off");
3354
3355         snd_iprintf(buffer, "Firmware version: %d\n", (status2&HDSP_version0)|(status2&HDSP_version1)<<1|(status2&HDSP_version2)<<2);
3356
3357         snd_iprintf(buffer, "\n");
3358
3359
3360         switch (hdsp_clock_source(hdsp)) {
3361         case HDSP_CLOCK_SOURCE_AUTOSYNC:
3362                 clock_source = "AutoSync";
3363                 break;
3364         case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ:
3365                 clock_source = "Internal 32 kHz";
3366                 break;
3367         case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ:
3368                 clock_source = "Internal 44.1 kHz";
3369                 break;
3370         case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ:
3371                 clock_source = "Internal 48 kHz";
3372                 break;
3373         case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ:
3374                 clock_source = "Internal 64 kHz";
3375                 break;
3376         case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ:
3377                 clock_source = "Internal 88.2 kHz";
3378                 break;
3379         case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ:
3380                 clock_source = "Internal 96 kHz";
3381                 break;
3382         case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ:
3383                 clock_source = "Internal 128 kHz";
3384                 break;
3385         case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ:
3386                 clock_source = "Internal 176.4 kHz";
3387                 break;
3388                 case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ:
3389                 clock_source = "Internal 192 kHz";
3390                 break;
3391         default:
3392                 clock_source = "Error";
3393         }
3394         snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source);
3395
3396         if (hdsp_system_clock_mode(hdsp))
3397                 system_clock_mode = "Slave";
3398         else
3399                 system_clock_mode = "Master";
3400
3401         switch (hdsp_pref_sync_ref (hdsp)) {
3402         case HDSP_SYNC_FROM_WORD:
3403                 pref_sync_ref = "Word Clock";
3404                 break;
3405         case HDSP_SYNC_FROM_ADAT_SYNC:
3406                 pref_sync_ref = "ADAT Sync";
3407                 break;
3408         case HDSP_SYNC_FROM_SPDIF:
3409                 pref_sync_ref = "SPDIF";
3410                 break;
3411         case HDSP_SYNC_FROM_ADAT1:
3412                 pref_sync_ref = "ADAT1";
3413                 break;
3414         case HDSP_SYNC_FROM_ADAT2:
3415                 pref_sync_ref = "ADAT2";
3416                 break;
3417         case HDSP_SYNC_FROM_ADAT3:
3418                 pref_sync_ref = "ADAT3";
3419                 break;
3420         default:
3421                 pref_sync_ref = "Word Clock";
3422                 break;
3423         }
3424         snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref);
3425
3426         switch (hdsp_autosync_ref (hdsp)) {
3427         case HDSP_AUTOSYNC_FROM_WORD:
3428                 autosync_ref = "Word Clock";
3429                 break;
3430         case HDSP_AUTOSYNC_FROM_ADAT_SYNC:
3431                 autosync_ref = "ADAT Sync";
3432                 break;
3433         case HDSP_AUTOSYNC_FROM_SPDIF:
3434                 autosync_ref = "SPDIF";
3435                 break;
3436         case HDSP_AUTOSYNC_FROM_NONE:
3437                 autosync_ref = "None";
3438                 break;
3439         case HDSP_AUTOSYNC_FROM_ADAT1:
3440                 autosync_ref = "ADAT1";
3441                 break;
3442         case HDSP_AUTOSYNC_FROM_ADAT2:
3443                 autosync_ref = "ADAT2";
3444                 break;
3445         case HDSP_AUTOSYNC_FROM_ADAT3:
3446                 autosync_ref = "ADAT3";
3447                 break;
3448         default:
3449                 autosync_ref = "---";
3450                 break;
3451         }
3452         snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref);
3453
3454         snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp));
3455
3456         snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode);
3457
3458         snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate);
3459         snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No");
3460
3461         snd_iprintf(buffer, "\n");
3462
3463         switch (hdsp_spdif_in(hdsp)) {
3464         case HDSP_SPDIFIN_OPTICAL:
3465                 snd_iprintf(buffer, "IEC958 input: Optical\n");
3466                 break;
3467         case HDSP_SPDIFIN_COAXIAL:
3468                 snd_iprintf(buffer, "IEC958 input: Coaxial\n");
3469                 break;
3470         case HDSP_SPDIFIN_INTERNAL:
3471                 snd_iprintf(buffer, "IEC958 input: Internal\n");
3472                 break;
3473         case HDSP_SPDIFIN_AES:
3474                 snd_iprintf(buffer, "IEC958 input: AES\n");
3475                 break;
3476         default:
3477                 snd_iprintf(buffer, "IEC958 input: ???\n");
3478                 break;
3479         }
3480
3481         if (hdsp->control_register & HDSP_SPDIFOpticalOut)
3482                 snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
3483         else
3484                 snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
3485
3486         if (hdsp->control_register & HDSP_SPDIFProfessional)
3487                 snd_iprintf(buffer, "IEC958 quality: Professional\n");
3488         else
3489                 snd_iprintf(buffer, "IEC958 quality: Consumer\n");
3490
3491         if (hdsp->control_register & HDSP_SPDIFEmphasis)
3492                 snd_iprintf(buffer, "IEC958 emphasis: on\n");
3493         else
3494                 snd_iprintf(buffer, "IEC958 emphasis: off\n");
3495
3496         if (hdsp->control_register & HDSP_SPDIFNonAudio)
3497                 snd_iprintf(buffer, "IEC958 NonAudio: on\n");
3498         else
3499                 snd_iprintf(buffer, "IEC958 NonAudio: off\n");
3500         if ((x = hdsp_spdif_sample_rate (hdsp)) != 0)
3501                 snd_iprintf (buffer, "IEC958 sample rate: %d\n", x);
3502         else
3503                 snd_iprintf (buffer, "IEC958 sample rate: Error flag set\n");
3504
3505         snd_iprintf(buffer, "\n");
3506
3507         /* Sync Check */
3508         x = status & HDSP_Sync0;
3509         if (status & HDSP_Lock0)
3510                 snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
3511         else
3512                 snd_iprintf(buffer, "ADAT1: No Lock\n");
3513
3514         switch (hdsp->io_type) {
3515         case Digiface:
3516         case H9652:
3517                 x = status & HDSP_Sync1;
3518                 if (status & HDSP_Lock1)
3519                         snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
3520                 else
3521                         snd_iprintf(buffer, "ADAT2: No Lock\n");
3522                 x = status & HDSP_Sync2;
3523                 if (status & HDSP_Lock2)
3524                         snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
3525                 else
3526                         snd_iprintf(buffer, "ADAT3: No Lock\n");
3527                 break;
3528         default:
3529                 /* relax */
3530                 break;
3531         }
3532
3533         x = status & HDSP_SPDIFSync;
3534         if (status & HDSP_SPDIFErrorFlag)
3535                 snd_iprintf (buffer, "SPDIF: No Lock\n");
3536         else
3537                 snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock");
3538
3539         x = status2 & HDSP_wc_sync;
3540         if (status2 & HDSP_wc_lock)
3541                 snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock");
3542         else
3543                 snd_iprintf (buffer, "Word Clock: No Lock\n");
3544
3545         x = status & HDSP_TimecodeSync;
3546         if (status & HDSP_TimecodeLock)
3547                 snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock");
3548         else
3549                 snd_iprintf(buffer, "ADAT Sync: No Lock\n");
3550
3551         snd_iprintf(buffer, "\n");
3552
3553         /* Informations about H9632 specific controls */
3554         if (hdsp->io_type == H9632) {
3555                 char *tmp;
3556
3557                 switch (hdsp_ad_gain(hdsp)) {
3558                 case 0:
3559                         tmp = "-10 dBV";
3560                         break;
3561                 case 1:
3562                         tmp = "+4 dBu";
3563                         break;
3564                 default:
3565                         tmp = "Lo Gain";
3566                         break;
3567                 }
3568                 snd_iprintf(buffer, "AD Gain : %s\n", tmp);
3569
3570                 switch (hdsp_da_gain(hdsp)) {
3571                 case 0:
3572                         tmp = "Hi Gain";
3573                         break;
3574                 case 1:
3575                         tmp = "+4 dBu";
3576                         break;
3577                 default:
3578                         tmp = "-10 dBV";
3579                         break;
3580                 }
3581                 snd_iprintf(buffer, "DA Gain : %s\n", tmp);
3582
3583                 switch (hdsp_phone_gain(hdsp)) {
3584                 case 0:
3585                         tmp = "0 dB";
3586                         break;
3587                 case 1:
3588                         tmp = "-6 dB";
3589                         break;
3590                 default:
3591                         tmp = "-12 dB";
3592                         break;
3593                 }
3594                 snd_iprintf(buffer, "Phones Gain : %s\n", tmp);
3595
3596                 snd_iprintf(buffer, "XLR Breakout Cable : %s\n", hdsp_xlr_breakout_cable(hdsp) ? "yes" : "no");
3597
3598                 if (hdsp->control_register & HDSP_AnalogExtensionBoard)
3599                         snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n");
3600                 else
3601                         snd_iprintf(buffer, "AEB : off (ADAT1 external)\n");
3602                 snd_iprintf(buffer, "\n");
3603         }
3604
3605 }
3606
3607 static void __devinit snd_hdsp_proc_init(struct hdsp *hdsp)
3608 {
3609         struct snd_info_entry *entry;
3610
3611         if (! snd_card_proc_new(hdsp->card, "hdsp", &entry))
3612                 snd_info_set_text_ops(entry, hdsp, snd_hdsp_proc_read);
3613 }
3614
3615 static void snd_hdsp_free_buffers(struct hdsp *hdsp)
3616 {
3617         snd_hammerfall_free_buffer(&hdsp->capture_dma_buf, hdsp->pci);
3618         snd_hammerfall_free_buffer(&hdsp->playback_dma_buf, hdsp->pci);
3619 }
3620
3621 static int __devinit snd_hdsp_initialize_memory(struct hdsp *hdsp)
3622 {
3623         unsigned long pb_bus, cb_bus;
3624
3625         if (snd_hammerfall_get_buffer(hdsp->pci, &hdsp->capture_dma_buf, HDSP_DMA_AREA_BYTES) < 0 ||
3626             snd_hammerfall_get_buffer(hdsp->pci, &hdsp->playback_dma_buf, HDSP_DMA_AREA_BYTES) < 0) {
3627                 if (hdsp->capture_dma_buf.area)
3628                         snd_dma_free_pages(&hdsp->capture_dma_buf);
3629                 printk(KERN_ERR "%s: no buffers available\n", hdsp->card_name);
3630                 return -ENOMEM;
3631         }
3632
3633         /* Align to bus-space 64K boundary */
3634
3635         cb_bus = ALIGN(hdsp->capture_dma_buf.addr, 0x10000ul);
3636         pb_bus = ALIGN(hdsp->playback_dma_buf.addr, 0x10000ul);
3637
3638         /* Tell the card where it is */
3639
3640         hdsp_write(hdsp, HDSP_inputBufferAddress, cb_bus);
3641         hdsp_write(hdsp, HDSP_outputBufferAddress, pb_bus);
3642
3643         hdsp->capture_buffer = hdsp->capture_dma_buf.area + (cb_bus - hdsp->capture_dma_buf.addr);
3644         hdsp->playback_buffer = hdsp->playback_dma_buf.area + (pb_bus - hdsp->playback_dma_buf.addr);
3645
3646         return 0;
3647 }
3648
3649 static int snd_hdsp_set_defaults(struct hdsp *hdsp)
3650 {
3651         unsigned int i;
3652
3653         /* ASSUMPTION: hdsp->lock is either held, or
3654            there is no need to hold it (e.g. during module
3655            initalization).
3656          */
3657
3658         /* set defaults:
3659
3660            SPDIF Input via Coax
3661            Master clock mode
3662            maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer,
3663                             which implies 2 4096 sample, 32Kbyte periods).
3664            Enable line out.
3665          */
3666
3667         hdsp->control_register = HDSP_ClockModeMaster |
3668                                  HDSP_SPDIFInputCoaxial |
3669                                  hdsp_encode_latency(7) |
3670                                  HDSP_LineOut;
3671
3672
3673         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3674
3675 #ifdef SNDRV_BIG_ENDIAN
3676         hdsp->control2_register = HDSP_BIGENDIAN_MODE;
3677 #else
3678         hdsp->control2_register = 0;
3679 #endif
3680         if (hdsp->io_type == H9652)
3681                 snd_hdsp_9652_enable_mixer (hdsp);
3682         else
3683                 hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
3684
3685         hdsp_reset_hw_pointer(hdsp);
3686         hdsp_compute_period_size(hdsp);
3687
3688         /* silence everything */
3689
3690         for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i)
3691                 hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN;
3692
3693         for (i = 0; i < ((hdsp->io_type == H9652 || hdsp->io_type == H9632) ? 1352 : HDSP_MATRIX_MIXER_SIZE); ++i) {
3694                 if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN))
3695                         return -EIO;
3696         }
3697
3698         /* H9632 specific defaults */
3699         if (hdsp->io_type == H9632) {
3700                 hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB);
3701                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3702         }
3703
3704         /* set a default rate so that the channel map is set up.
3705          */
3706
3707         hdsp_set_rate(hdsp, 48000, 1);
3708
3709         return 0;
3710 }
3711
3712 static void hdsp_midi_tasklet(unsigned long arg)
3713 {
3714         struct hdsp *hdsp = (struct hdsp *)arg;
3715
3716         if (hdsp->midi[0].pending)
3717                 snd_hdsp_midi_input_read (&hdsp->midi[0]);
3718         if (hdsp->midi[1].pending)
3719                 snd_hdsp_midi_input_read (&hdsp->midi[1]);
3720 }
3721
3722 static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id)
3723 {
3724         struct hdsp *hdsp = (struct hdsp *) dev_id;
3725         unsigned int status;
3726         int audio;
3727         int midi0;
3728         int midi1;
3729         unsigned int midi0status;
3730         unsigned int midi1status;
3731         int schedule = 0;
3732
3733         status = hdsp_read(hdsp, HDSP_statusRegister);
3734
3735         audio = status & HDSP_audioIRQPending;
3736         midi0 = status & HDSP_midi0IRQPending;
3737         midi1 = status & HDSP_midi1IRQPending;
3738
3739         if (!audio && !midi0 && !midi1)
3740                 return IRQ_NONE;
3741
3742         hdsp_write(hdsp, HDSP_interruptConfirmation, 0);
3743
3744         midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff;
3745         midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff;
3746
3747         if (audio) {
3748                 if (hdsp->capture_substream)
3749                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
3750
3751                 if (hdsp->playback_substream)
3752                         snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
3753         }
3754
3755         if (midi0 && midi0status) {
3756                 if (hdsp->use_midi_tasklet) {
3757                         /* we disable interrupts for this input until processing is done */
3758                         hdsp->control_register &= ~HDSP_Midi0InterruptEnable;
3759                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3760                         hdsp->midi[0].pending = 1;
3761                         schedule = 1;
3762                 } else {
3763                         snd_hdsp_midi_input_read (&hdsp->midi[0]);
3764                 }
3765         }
3766         if (hdsp->io_type != Multiface && hdsp->io_type != H9632 && midi1 && midi1status) {
3767                 if (hdsp->use_midi_tasklet) {
3768                         /* we disable interrupts for this input until processing is done */
3769                         hdsp->control_register &= ~HDSP_Midi1InterruptEnable;
3770                         hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register);
3771                         hdsp->midi[1].pending = 1;
3772                         schedule = 1;
3773                 } else {
3774                         snd_hdsp_midi_input_read (&hdsp->midi[1]);
3775                 }
3776         }
3777         if (hdsp->use_midi_tasklet && schedule)
3778                 tasklet_hi_schedule(&hdsp->midi_tasklet);
3779         return IRQ_HANDLED;
3780 }
3781
3782 static snd_pcm_uframes_t snd_hdsp_hw_pointer(struct snd_pcm_substream *substream)
3783 {
3784         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3785         return hdsp_hw_pointer(hdsp);
3786 }
3787
3788 static char *hdsp_channel_buffer_location(struct hdsp *hdsp,
3789                                              int stream,
3790                                              int channel)
3791
3792 {
3793         int mapped_channel;
3794
3795         snd_assert(channel >= 0 && channel < hdsp->max_channels, return NULL);
3796
3797         if ((mapped_channel = hdsp->channel_map[channel]) < 0)
3798                 return NULL;
3799
3800         if (stream == SNDRV_PCM_STREAM_CAPTURE)
3801                 return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3802         else
3803                 return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES);
3804 }
3805
3806 static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel,
3807                                   snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
3808 {
3809         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3810         char *channel_buf;
3811
3812         snd_assert(pos + count <= HDSP_CHANNEL_BUFFER_BYTES / 4, return -EINVAL);
3813
3814         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3815         snd_assert(channel_buf != NULL, return -EIO);
3816         if (copy_from_user(channel_buf + pos * 4, src, count * 4))
3817                 return -EFAULT;
3818         return count;
3819 }
3820
3821 static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel,
3822                                  snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
3823 {
3824         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3825         char *channel_buf;
3826
3827         snd_assert(pos + count <= HDSP_CHANNEL_BUFFER_BYTES / 4, return -EINVAL);
3828
3829         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3830         snd_assert(channel_buf != NULL, return -EIO);
3831         if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
3832                 return -EFAULT;
3833         return count;
3834 }
3835
3836 static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel,
3837                                   snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
3838 {
3839         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3840         char *channel_buf;
3841
3842         channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel);
3843         snd_assert(channel_buf != NULL, return -EIO);
3844         memset(channel_buf + pos * 4, 0, count * 4);
3845         return count;
3846 }
3847
3848 static int snd_hdsp_reset(struct snd_pcm_substream *substream)
3849 {
3850         struct snd_pcm_runtime *runtime = substream->runtime;
3851         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3852         struct snd_pcm_substream *other;
3853         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
3854                 other = hdsp->capture_substream;
3855         else
3856                 other = hdsp->playback_substream;
3857         if (hdsp->running)
3858                 runtime->status->hw_ptr = hdsp_hw_pointer(hdsp);
3859         else
3860                 runtime->status->hw_ptr = 0;
3861         if (other) {
3862                 struct snd_pcm_substream *s;
3863                 struct snd_pcm_runtime *oruntime = other->runtime;
3864                 snd_pcm_group_for_each_entry(s, substream) {
3865                         if (s == other) {
3866                                 oruntime->status->hw_ptr = runtime->status->hw_ptr;
3867                                 break;
3868                         }
3869                 }
3870         }
3871         return 0;
3872 }
3873
3874 static int snd_hdsp_hw_params(struct snd_pcm_substream *substream,
3875                                  struct snd_pcm_hw_params *params)
3876 {
3877         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3878         int err;
3879         pid_t this_pid;
3880         pid_t other_pid;
3881
3882         if (hdsp_check_for_iobox (hdsp))
3883                 return -EIO;
3884
3885         if (hdsp_check_for_firmware(hdsp, 1))
3886                 return -EIO;
3887
3888         spin_lock_irq(&hdsp->lock);
3889
3890         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3891                 hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis);
3892                 hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= hdsp->creg_spdif_stream);
3893                 this_pid = hdsp->playback_pid;
3894                 other_pid = hdsp->capture_pid;
3895         } else {
3896                 this_pid = hdsp->capture_pid;
3897                 other_pid = hdsp->playback_pid;
3898         }
3899
3900         if ((other_pid > 0) && (this_pid != other_pid)) {
3901
3902                 /* The other stream is open, and not by the same
3903                    task as this one. Make sure that the parameters
3904                    that matter are the same.
3905                  */
3906
3907                 if (params_rate(params) != hdsp->system_sample_rate) {
3908                         spin_unlock_irq(&hdsp->lock);
3909                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3910                         return -EBUSY;
3911                 }
3912
3913                 if (params_period_size(params) != hdsp->period_bytes / 4) {
3914                         spin_unlock_irq(&hdsp->lock);
3915                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3916                         return -EBUSY;
3917                 }
3918
3919                 /* We're fine. */
3920
3921                 spin_unlock_irq(&hdsp->lock);
3922                 return 0;
3923
3924         } else {
3925                 spin_unlock_irq(&hdsp->lock);
3926         }
3927
3928         /* how to make sure that the rate matches an externally-set one ?
3929          */
3930
3931         spin_lock_irq(&hdsp->lock);
3932         if (! hdsp->clock_source_locked) {
3933                 if ((err = hdsp_set_rate(hdsp, params_rate(params), 0)) < 0) {
3934                         spin_unlock_irq(&hdsp->lock);
3935                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
3936                         return err;
3937                 }
3938         }
3939         spin_unlock_irq(&hdsp->lock);
3940
3941         if ((err = hdsp_set_interrupt_interval(hdsp, params_period_size(params))) < 0) {
3942                 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
3943                 return err;
3944         }
3945
3946         return 0;
3947 }
3948
3949 static int snd_hdsp_channel_info(struct snd_pcm_substream *substream,
3950                                     struct snd_pcm_channel_info *info)
3951 {
3952         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3953         int mapped_channel;
3954
3955         snd_assert(info->channel < hdsp->max_channels, return -EINVAL);
3956
3957         if ((mapped_channel = hdsp->channel_map[info->channel]) < 0)
3958                 return -EINVAL;
3959
3960         info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES;
3961         info->first = 0;
3962         info->step = 32;
3963         return 0;
3964 }
3965
3966 static int snd_hdsp_ioctl(struct snd_pcm_substream *substream,
3967                              unsigned int cmd, void *arg)
3968 {
3969         switch (cmd) {
3970         case SNDRV_PCM_IOCTL1_RESET:
3971                 return snd_hdsp_reset(substream);
3972         case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
3973                 return snd_hdsp_channel_info(substream, arg);
3974         default:
3975                 break;
3976         }
3977
3978         return snd_pcm_lib_ioctl(substream, cmd, arg);
3979 }
3980
3981 static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
3982 {
3983         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
3984         struct snd_pcm_substream *other;
3985         int running;
3986
3987         if (hdsp_check_for_iobox (hdsp))
3988                 return -EIO;
3989
3990         if (hdsp_check_for_firmware(hdsp, 0)) /* no auto-loading in trigger */
3991                 return -EIO;
3992
3993         spin_lock(&hdsp->lock);
3994         running = hdsp->running;
3995         switch (cmd) {
3996         case SNDRV_PCM_TRIGGER_START:
3997                 running |= 1 << substream->stream;
3998                 break;
3999         case SNDRV_PCM_TRIGGER_STOP:
4000                 running &= ~(1 << substream->stream);
4001                 break;
4002         default:
4003                 snd_BUG();
4004                 spin_unlock(&hdsp->lock);
4005                 return -EINVAL;
4006         }
4007         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4008                 other = hdsp->capture_substream;
4009         else
4010                 other = hdsp->playback_substream;
4011
4012         if (other) {
4013                 struct snd_pcm_substream *s;
4014                 snd_pcm_group_for_each_entry(s, substream) {
4015                         if (s == other) {
4016                                 snd_pcm_trigger_done(s, substream);
4017                                 if (cmd == SNDRV_PCM_TRIGGER_START)
4018                                         running |= 1 << s->stream;
4019                                 else
4020                                         running &= ~(1 << s->stream);
4021                                 goto _ok;
4022                         }
4023                 }
4024                 if (cmd == SNDRV_PCM_TRIGGER_START) {
4025                         if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
4026                             substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4027                                 hdsp_silence_playback(hdsp);
4028                 } else {
4029                         if (running &&
4030                             substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
4031                                 hdsp_silence_playback(hdsp);
4032                 }
4033         } else {
4034                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
4035                                 hdsp_silence_playback(hdsp);
4036         }
4037  _ok:
4038         snd_pcm_trigger_done(substream, substream);
4039         if (!hdsp->running && running)
4040                 hdsp_start_audio(hdsp);
4041         else if (hdsp->running && !running)
4042                 hdsp_stop_audio(hdsp);
4043         hdsp->running = running;
4044         spin_unlock(&hdsp->lock);
4045
4046         return 0;
4047 }
4048
4049 static int snd_hdsp_prepare(struct snd_pcm_substream *substream)
4050 {
4051         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4052         int result = 0;
4053
4054         if (hdsp_check_for_iobox (hdsp))
4055                 return -EIO;
4056
4057         if (hdsp_check_for_firmware(hdsp, 1))
4058                 return -EIO;
4059
4060         spin_lock_irq(&hdsp->lock);
4061         if (!hdsp->running)
4062                 hdsp_reset_hw_pointer(hdsp);
4063         spin_unlock_irq(&hdsp->lock);
4064         return result;
4065 }
4066
4067 static struct snd_pcm_hardware snd_hdsp_playback_subinfo =
4068 {
4069         .info =                 (SNDRV_PCM_INFO_MMAP |
4070                                  SNDRV_PCM_INFO_MMAP_VALID |
4071                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4072                                  SNDRV_PCM_INFO_SYNC_START |
4073                                  SNDRV_PCM_INFO_DOUBLE),
4074 #ifdef SNDRV_BIG_ENDIAN
4075         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4076 #else
4077         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4078 #endif
4079         .rates =                (SNDRV_PCM_RATE_32000 |
4080                                  SNDRV_PCM_RATE_44100 |
4081                                  SNDRV_PCM_RATE_48000 |
4082                                  SNDRV_PCM_RATE_64000 |
4083                                  SNDRV_PCM_RATE_88200 |
4084                                  SNDRV_PCM_RATE_96000),
4085         .rate_min =             32000,
4086         .rate_max =             96000,
4087         .channels_min =         14,
4088         .channels_max =         HDSP_MAX_CHANNELS,
4089         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4090         .period_bytes_min =     (64 * 4) * 10,
4091         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4092         .periods_min =          2,
4093         .periods_max =          2,
4094         .fifo_size =            0
4095 };
4096
4097 static struct snd_pcm_hardware snd_hdsp_capture_subinfo =
4098 {
4099         .info =                 (SNDRV_PCM_INFO_MMAP |
4100                                  SNDRV_PCM_INFO_MMAP_VALID |
4101                                  SNDRV_PCM_INFO_NONINTERLEAVED |
4102                                  SNDRV_PCM_INFO_SYNC_START),
4103 #ifdef SNDRV_BIG_ENDIAN
4104         .formats =              SNDRV_PCM_FMTBIT_S32_BE,
4105 #else
4106         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
4107 #endif
4108         .rates =                (SNDRV_PCM_RATE_32000 |
4109                                  SNDRV_PCM_RATE_44100 |
4110                                  SNDRV_PCM_RATE_48000 |
4111                                  SNDRV_PCM_RATE_64000 |
4112                                  SNDRV_PCM_RATE_88200 |
4113                                  SNDRV_PCM_RATE_96000),
4114         .rate_min =             32000,
4115         .rate_max =             96000,
4116         .channels_min =         14,
4117         .channels_max =         HDSP_MAX_CHANNELS,
4118         .buffer_bytes_max =     HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS,
4119         .period_bytes_min =     (64 * 4) * 10,
4120         .period_bytes_max =     (8192 * 4) * HDSP_MAX_CHANNELS,
4121         .periods_min =          2,
4122         .periods_max =          2,
4123         .fifo_size =            0
4124 };
4125
4126 static unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
4127
4128 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = {
4129         .count = ARRAY_SIZE(hdsp_period_sizes),
4130         .list = hdsp_period_sizes,
4131         .mask = 0
4132 };
4133
4134 static unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 };
4135
4136 static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = {
4137         .count = ARRAY_SIZE(hdsp_9632_sample_rates),
4138         .list = hdsp_9632_sample_rates,
4139         .mask = 0
4140 };
4141
4142 static int snd_hdsp_hw_rule_in_channels(struct snd_pcm_hw_params *params,
4143                                         struct snd_pcm_hw_rule *rule)
4144 {
4145         struct hdsp *hdsp = rule->private;
4146         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4147         if (hdsp->io_type == H9632) {
4148                 unsigned int list[3];
4149                 list[0] = hdsp->qs_in_channels;
4150                 list[1] = hdsp->ds_in_channels;
4151                 list[2] = hdsp->ss_in_channels;
4152                 return snd_interval_list(c, 3, list, 0);
4153         } else {
4154                 unsigned int list[2];
4155                 list[0] = hdsp->ds_in_channels;
4156                 list[1] = hdsp->ss_in_channels;
4157                 return snd_interval_list(c, 2, list, 0);
4158         }
4159 }
4160
4161 static int snd_hdsp_hw_rule_out_channels(struct snd_pcm_hw_params *params,
4162                                         struct snd_pcm_hw_rule *rule)
4163 {
4164         unsigned int list[3];
4165         struct hdsp *hdsp = rule->private;
4166         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4167         if (hdsp->io_type == H9632) {
4168                 list[0] = hdsp->qs_out_channels;
4169                 list[1] = hdsp->ds_out_channels;
4170                 list[2] = hdsp->ss_out_channels;
4171                 return snd_interval_list(c, 3, list, 0);
4172         } else {
4173                 list[0] = hdsp->ds_out_channels;
4174                 list[1] = hdsp->ss_out_channels;
4175         }
4176         return snd_interval_list(c, 2, list, 0);
4177 }
4178
4179 static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params,
4180                                              struct snd_pcm_hw_rule *rule)
4181 {
4182         struct hdsp *hdsp = rule->private;
4183         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4184         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4185         if (r->min > 96000 && hdsp->io_type == H9632) {
4186                 struct snd_interval t = {
4187                         .min = hdsp->qs_in_channels,
4188                         .max = hdsp->qs_in_channels,
4189                         .integer = 1,
4190                 };
4191                 return snd_interval_refine(c, &t);
4192         } else if (r->min > 48000 && r->max <= 96000) {
4193                 struct snd_interval t = {
4194                         .min = hdsp->ds_in_channels,
4195                         .max = hdsp->ds_in_channels,
4196                         .integer = 1,
4197                 };
4198                 return snd_interval_refine(c, &t);
4199         } else if (r->max < 64000) {
4200                 struct snd_interval t = {
4201                         .min = hdsp->ss_in_channels,
4202                         .max = hdsp->ss_in_channels,
4203                         .integer = 1,
4204                 };
4205                 return snd_interval_refine(c, &t);
4206         }
4207         return 0;
4208 }
4209
4210 static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params,
4211                                              struct snd_pcm_hw_rule *rule)
4212 {
4213         struct hdsp *hdsp = rule->private;
4214         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4215         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4216         if (r->min > 96000 && hdsp->io_type == H9632) {
4217                 struct snd_interval t = {
4218                         .min = hdsp->qs_out_channels,
4219                         .max = hdsp->qs_out_channels,
4220                         .integer = 1,
4221                 };
4222                 return snd_interval_refine(c, &t);
4223         } else if (r->min > 48000 && r->max <= 96000) {
4224                 struct snd_interval t = {
4225                         .min = hdsp->ds_out_channels,
4226                         .max = hdsp->ds_out_channels,
4227                         .integer = 1,
4228                 };
4229                 return snd_interval_refine(c, &t);
4230         } else if (r->max < 64000) {
4231                 struct snd_interval t = {
4232                         .min = hdsp->ss_out_channels,
4233                         .max = hdsp->ss_out_channels,
4234                         .integer = 1,
4235                 };
4236                 return snd_interval_refine(c, &t);
4237         }
4238         return 0;
4239 }
4240
4241 static int snd_hdsp_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params,
4242                                              struct snd_pcm_hw_rule *rule)
4243 {
4244         struct hdsp *hdsp = rule->private;
4245         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4246         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4247         if (c->min >= hdsp->ss_out_channels) {
4248                 struct snd_interval t = {
4249                         .min = 32000,
4250                         .max = 48000,
4251                         .integer = 1,
4252                 };
4253                 return snd_interval_refine(r, &t);
4254         } else if (c->max <= hdsp->qs_out_channels && hdsp->io_type == H9632) {
4255                 struct snd_interval t = {
4256                         .min = 128000,
4257                         .max = 192000,
4258                         .integer = 1,
4259                 };
4260                 return snd_interval_refine(r, &t);
4261         } else if (c->max <= hdsp->ds_out_channels) {
4262                 struct snd_interval t = {
4263                         .min = 64000,
4264                         .max = 96000,
4265                         .integer = 1,
4266                 };
4267                 return snd_interval_refine(r, &t);
4268         }
4269         return 0;
4270 }
4271
4272 static int snd_hdsp_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params,
4273                                              struct snd_pcm_hw_rule *rule)
4274 {
4275         struct hdsp *hdsp = rule->private;
4276         struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
4277         struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
4278         if (c->min >= hdsp->ss_in_channels) {
4279                 struct snd_interval t = {
4280                         .min = 32000,
4281                         .max = 48000,
4282                         .integer = 1,
4283                 };
4284                 return snd_interval_refine(r, &t);
4285         } else if (c->max <= hdsp->qs_in_channels && hdsp->io_type == H9632) {
4286                 struct snd_interval t = {
4287                         .min = 128000,
4288                         .max = 192000,
4289                         .integer = 1,
4290                 };
4291                 return snd_interval_refine(r, &t);
4292         } else if (c->max <= hdsp->ds_in_channels) {
4293                 struct snd_interval t = {
4294                         .min = 64000,
4295                         .max = 96000,
4296                         .integer = 1,
4297                 };
4298                 return snd_interval_refine(r, &t);
4299         }
4300         return 0;
4301 }
4302
4303 static int snd_hdsp_playback_open(struct snd_pcm_substream *substream)
4304 {
4305         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4306         struct snd_pcm_runtime *runtime = substream->runtime;
4307
4308         if (hdsp_check_for_iobox (hdsp))
4309                 return -EIO;
4310
4311         if (hdsp_check_for_firmware(hdsp, 1))
4312                 return -EIO;
4313
4314         spin_lock_irq(&hdsp->lock);
4315
4316         snd_pcm_set_sync(substream);
4317
4318         runtime->hw = snd_hdsp_playback_subinfo;
4319         runtime->dma_area = hdsp->playback_buffer;
4320         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4321
4322         hdsp->playback_pid = current->pid;
4323         hdsp->playback_substream = substream;
4324
4325         spin_unlock_irq(&hdsp->lock);
4326
4327         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4328         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4329         if (hdsp->clock_source_locked) {
4330                 runtime->hw.rate_min = runtime->hw.rate_max = hdsp->system_sample_rate;
4331         } else if (hdsp->io_type == H9632) {
4332                 runtime->hw.rate_max = 192000;
4333                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4334                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4335         }
4336         if (hdsp->io_type == H9632) {
4337                 runtime->hw.channels_min = hdsp->qs_out_channels;
4338                 runtime->hw.channels_max = hdsp->ss_out_channels;
4339         }
4340
4341         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4342                              snd_hdsp_hw_rule_out_channels, hdsp,
4343                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4344         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4345                              snd_hdsp_hw_rule_out_channels_rate, hdsp,
4346                              SNDRV_PCM_HW_PARAM_RATE, -1);
4347         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4348                              snd_hdsp_hw_rule_rate_out_channels, hdsp,
4349                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4350
4351         hdsp->creg_spdif_stream = hdsp->creg_spdif;
4352         hdsp->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4353         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4354                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4355         return 0;
4356 }
4357
4358 static int snd_hdsp_playback_release(struct snd_pcm_substream *substream)
4359 {
4360         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4361
4362         spin_lock_irq(&hdsp->lock);
4363
4364         hdsp->playback_pid = -1;
4365         hdsp->playback_substream = NULL;
4366
4367         spin_unlock_irq(&hdsp->lock);
4368
4369         hdsp->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
4370         snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE |
4371                        SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id);
4372         return 0;
4373 }
4374
4375
4376 static int snd_hdsp_capture_open(struct snd_pcm_substream *substream)
4377 {
4378         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4379         struct snd_pcm_runtime *runtime = substream->runtime;
4380
4381         if (hdsp_check_for_iobox (hdsp))
4382                 return -EIO;
4383
4384         if (hdsp_check_for_firmware(hdsp, 1))
4385                 return -EIO;
4386
4387         spin_lock_irq(&hdsp->lock);
4388
4389         snd_pcm_set_sync(substream);
4390
4391         runtime->hw = snd_hdsp_capture_subinfo;
4392         runtime->dma_area = hdsp->capture_buffer;
4393         runtime->dma_bytes = HDSP_DMA_AREA_BYTES;
4394
4395         hdsp->capture_pid = current->pid;
4396         hdsp->capture_substream = substream;
4397
4398         spin_unlock_irq(&hdsp->lock);
4399
4400         snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
4401         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes);
4402         if (hdsp->io_type == H9632) {
4403                 runtime->hw.channels_min = hdsp->qs_in_channels;
4404                 runtime->hw.channels_max = hdsp->ss_in_channels;
4405                 runtime->hw.rate_max = 192000;
4406                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
4407                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates);
4408         }
4409         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4410                              snd_hdsp_hw_rule_in_channels, hdsp,
4411                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4412         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
4413                              snd_hdsp_hw_rule_in_channels_rate, hdsp,
4414                              SNDRV_PCM_HW_PARAM_RATE, -1);
4415         snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
4416                              snd_hdsp_hw_rule_rate_in_channels, hdsp,
4417                              SNDRV_PCM_HW_PARAM_CHANNELS, -1);
4418         return 0;
4419 }
4420
4421 static int snd_hdsp_capture_release(struct snd_pcm_substream *substream)
4422 {
4423         struct hdsp *hdsp = snd_pcm_substream_chip(substream);
4424
4425         spin_lock_irq(&hdsp->lock);
4426
4427         hdsp->capture_pid = -1;
4428         hdsp->capture_substream = NULL;
4429
4430         spin_unlock_irq(&hdsp->lock);
4431         return 0;
4432 }
4433
4434 static int snd_hdsp_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file)
4435 {
4436         /* we have nothing to initialize but the call is required */
4437         return 0;
4438 }
4439
4440
4441 /* helper functions for copying meter values */
4442 static inline int copy_u32_le(void __user *dest, void __iomem *src)
4443 {
4444         u32 val = readl(src);
4445         return copy_to_user(dest, &val, 4);
4446 }
4447
4448 static inline int copy_u64_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4449 {
4450         u32 rms_low, rms_high;
4451         u64 rms;
4452         rms_low = readl(src_low);
4453         rms_high = readl(src_high);
4454         rms = ((u64)rms_high << 32) | rms_low;
4455         return copy_to_user(dest, &rms, 8);
4456 }
4457
4458 static inline int copy_u48_le(void __user *dest, void __iomem *src_low, void __iomem *src_high)
4459 {
4460         u32 rms_low, rms_high;
4461         u64 rms;
4462         rms_low = readl(src_low) & 0xffffff00;
4463         rms_high = readl(src_high) & 0xffffff00;
4464         rms = ((u64)rms_high << 32) | rms_low;
4465         return copy_to_user(dest, &rms, 8);
4466 }
4467
4468 static int hdsp_9652_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4469 {
4470         int doublespeed = 0;
4471         int i, j, channels, ofs;
4472
4473         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4474                 doublespeed = 1;
4475         channels = doublespeed ? 14 : 26;
4476         for (i = 0, j = 0; i < 26; ++i) {
4477                 if (doublespeed && (i & 4))
4478                         continue;
4479                 ofs = HDSP_9652_peakBase - j * 4;
4480                 if (copy_u32_le(&peak_rms->input_peaks[i], hdsp->iobase + ofs))
4481                         return -EFAULT;
4482                 ofs -= channels * 4;
4483                 if (copy_u32_le(&peak_rms->playback_peaks[i], hdsp->iobase + ofs))
4484                         return -EFAULT;
4485                 ofs -= channels * 4;
4486                 if (copy_u32_le(&peak_rms->output_peaks[i], hdsp->iobase + ofs))
4487                         return -EFAULT;
4488                 ofs = HDSP_9652_rmsBase + j * 8;
4489                 if (copy_u48_le(&peak_rms->input_rms[i], hdsp->iobase + ofs,
4490                                 hdsp->iobase + ofs + 4))
4491                         return -EFAULT;
4492                 ofs += channels * 8;
4493                 if (copy_u48_le(&peak_rms->playback_rms[i], hdsp->iobase + ofs,
4494                                 hdsp->iobase + ofs + 4))
4495                         return -EFAULT;
4496                 ofs += channels * 8;
4497                 if (copy_u48_le(&peak_rms->output_rms[i], hdsp->iobase + ofs,
4498                                 hdsp->iobase + ofs + 4))
4499                         return -EFAULT;
4500                 j++;
4501         }
4502         return 0;
4503 }
4504
4505 static int hdsp_9632_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4506 {
4507         int i, j;
4508         struct hdsp_9632_meters __iomem *m;
4509         int doublespeed = 0;
4510
4511         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus)
4512                 doublespeed = 1;
4513         m = (struct hdsp_9632_meters __iomem *)(hdsp->iobase+HDSP_9632_metersBase);
4514         for (i = 0, j = 0; i < 16; ++i, ++j) {
4515                 if (copy_u32_le(&peak_rms->input_peaks[i], &m->input_peak[j]))
4516                         return -EFAULT;
4517                 if (copy_u32_le(&peak_rms->playback_peaks[i], &m->playback_peak[j]))
4518                         return -EFAULT;
4519                 if (copy_u32_le(&peak_rms->output_peaks[i], &m->output_peak[j]))
4520                         return -EFAULT;
4521                 if (copy_u64_le(&peak_rms->input_rms[i], &m->input_rms_low[j],
4522                                 &m->input_rms_high[j]))
4523                         return -EFAULT;
4524                 if (copy_u64_le(&peak_rms->playback_rms[i], &m->playback_rms_low[j],
4525                                 &m->playback_rms_high[j]))
4526                         return -EFAULT;
4527                 if (copy_u64_le(&peak_rms->output_rms[i], &m->output_rms_low[j],
4528                                 &m->output_rms_high[j]))
4529                         return -EFAULT;
4530                 if (doublespeed && i == 3) i += 4;
4531         }
4532         return 0;
4533 }
4534
4535 static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms)
4536 {
4537         int i;
4538
4539         for (i = 0; i < 26; i++) {
4540                 if (copy_u32_le(&peak_rms->playback_peaks[i],
4541                                 hdsp->iobase + HDSP_playbackPeakLevel + i * 4))
4542                         return -EFAULT;
4543                 if (copy_u32_le(&peak_rms->input_peaks[i],
4544                                 hdsp->iobase + HDSP_inputPeakLevel + i * 4))
4545                         return -EFAULT;
4546         }
4547         for (i = 0; i < 28; i++) {
4548                 if (copy_u32_le(&peak_rms->output_peaks[i],
4549                                 hdsp->iobase + HDSP_outputPeakLevel + i * 4))
4550                         return -EFAULT;
4551         }
4552         for (i = 0; i < 26; ++i) {
4553                 if (copy_u64_le(&peak_rms->playback_rms[i],
4554                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4,
4555                                 hdsp->iobase + HDSP_playbackRmsLevel + i * 8))
4556                         return -EFAULT;
4557                 if (copy_u64_le(&peak_rms->input_rms[i],
4558                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4,
4559                                 hdsp->iobase + HDSP_inputRmsLevel + i * 8))
4560                         return -EFAULT;
4561         }
4562         return 0;
4563 }
4564
4565 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg)
4566 {
4567         struct hdsp *hdsp = (struct hdsp *)hw->private_data;
4568         void __user *argp = (void __user *)arg;
4569
4570         switch (cmd) {
4571         case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: {
4572                 struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg;
4573
4574                 if (!(hdsp->state & HDSP_FirmwareLoaded)) {
4575                         snd_printk(KERN_ERR "Hammerfall-DSP: firmware needs to be uploaded to the card.\n");
4576                         return -EINVAL;
4577                 }
4578
4579                 switch (hdsp->io_type) {
4580                 case H9652:
4581                         return hdsp_9652_get_peak(hdsp, peak_rms);
4582                 case H9632:
4583                         return hdsp_9632_get_peak(hdsp, peak_rms);
4584                 default:
4585                         return hdsp_get_peak(hdsp, peak_rms);
4586                 }
4587         }
4588         case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: {
4589                 struct hdsp_config_info info;
4590                 unsigned long flags;
4591                 int i;
4592
4593                 if (!(hdsp->state & HDSP_FirmwareLoaded)) {
4594                         snd_printk(KERN_ERR "Hammerfall-DSP: Firmware needs to be uploaded to the card.\n");
4595                         return -EINVAL;
4596                 }
4597                 spin_lock_irqsave(&hdsp->lock, flags);
4598                 info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp);
4599                 info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp);
4600                 if (hdsp->io_type != H9632)
4601                     info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp);
4602                 info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp);
4603                 for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != H9632) ? 3 : 1); ++i)
4604                         info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i);
4605                 info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp);
4606                 info.spdif_out = (unsigned char)hdsp_spdif_out(hdsp);
4607                 info.spdif_professional = (unsigned char)hdsp_spdif_professional(hdsp);
4608                 info.spdif_emphasis = (unsigned char)hdsp_spdif_emphasis(hdsp);
4609                 info.spdif_nonaudio = (unsigned char)hdsp_spdif_nonaudio(hdsp);
4610                 info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp);
4611                 info.system_sample_rate = hdsp->system_sample_rate;
4612                 info.autosync_sample_rate = hdsp_external_sample_rate(hdsp);
4613                 info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp);
4614                 info.clock_source = (unsigned char)hdsp_clock_source(hdsp);
4615                 info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp);
4616                 info.line_out = (unsigned char)hdsp_line_out(hdsp);
4617                 if (hdsp->io_type == H9632) {
4618                         info.da_gain = (unsigned char)hdsp_da_gain(hdsp);
4619                         info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp);
4620                         info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp);
4621                         info.xlr_breakout_cable = (unsigned char)hdsp_xlr_breakout_cable(hdsp);
4622
4623                 }
4624                 if (hdsp->io_type == H9632 || hdsp->io_type == H9652)
4625                         info.analog_extension_board = (unsigned char)hdsp_aeb(hdsp);
4626                 spin_unlock_irqrestore(&hdsp->lock, flags);
4627                 if (copy_to_user(argp, &info, sizeof(info)))
4628                         return -EFAULT;
4629                 break;
4630         }
4631         case SNDRV_HDSP_IOCTL_GET_9632_AEB: {
4632                 struct hdsp_9632_aeb h9632_aeb;
4633
4634                 if (hdsp->io_type != H9632) return -EINVAL;
4635                 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS;
4636                 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS;
4637                 if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb)))
4638                         return -EFAULT;
4639                 break;
4640         }
4641         case SNDRV_HDSP_IOCTL_GET_VERSION: {
4642                 struct hdsp_version hdsp_version;
4643                 int err;
4644
4645                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4646                 if (hdsp->io_type == Undefined) {
4647                         if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4648                                 return err;
4649                 }
4650                 hdsp_version.io_type = hdsp->io_type;
4651                 hdsp_version.firmware_rev = hdsp->firmware_rev;
4652                 if ((err = copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))))
4653                         return -EFAULT;
4654                 break;
4655         }
4656         case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: {
4657                 struct hdsp_firmware __user *firmware;
4658                 u32 __user *firmware_data;
4659                 int err;
4660
4661                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL;
4662                 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */
4663                 if (hdsp->io_type == Undefined) return -EINVAL;
4664
4665                 if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded))
4666                         return -EBUSY;
4667
4668                 snd_printk(KERN_INFO "Hammerfall-DSP: initializing firmware upload\n");
4669                 firmware = (struct hdsp_firmware __user *)argp;
4670
4671                 if (get_user(firmware_data, &firmware->firmware_data))
4672                         return -EFAULT;
4673
4674                 if (hdsp_check_for_iobox (hdsp))
4675                         return -EIO;
4676
4677                 if (copy_from_user(hdsp->firmware_cache, firmware_data, sizeof(hdsp->firmware_cache)) != 0)
4678                         return -EFAULT;
4679
4680                 hdsp->state |= HDSP_FirmwareCached;
4681
4682                 if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4683                         return err;
4684
4685                 if (!(hdsp->state & HDSP_InitializationComplete)) {
4686                         if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4687                                 return err;
4688
4689                         snd_hdsp_initialize_channels(hdsp);
4690                         snd_hdsp_initialize_midi_flush(hdsp);
4691
4692                         if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4693                                 snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4694                                 return err;
4695                         }
4696                 }
4697                 break;
4698         }
4699         case SNDRV_HDSP_IOCTL_GET_MIXER: {
4700                 struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp;
4701                 if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE))
4702                         return -EFAULT;
4703                 break;
4704         }
4705         default:
4706                 return -EINVAL;
4707         }
4708         return 0;
4709 }
4710
4711 static struct snd_pcm_ops snd_hdsp_playback_ops = {
4712         .open =         snd_hdsp_playback_open,
4713         .close =        snd_hdsp_playback_release,
4714         .ioctl =        snd_hdsp_ioctl,
4715         .hw_params =    snd_hdsp_hw_params,
4716         .prepare =      snd_hdsp_prepare,
4717         .trigger =      snd_hdsp_trigger,
4718         .pointer =      snd_hdsp_hw_pointer,
4719         .copy =         snd_hdsp_playback_copy,
4720         .silence =      snd_hdsp_hw_silence,
4721 };
4722
4723 static struct snd_pcm_ops snd_hdsp_capture_ops = {
4724         .open =         snd_hdsp_capture_open,
4725         .close =        snd_hdsp_capture_release,
4726         .ioctl =        snd_hdsp_ioctl,
4727         .hw_params =    snd_hdsp_hw_params,
4728         .prepare =      snd_hdsp_prepare,
4729         .trigger =      snd_hdsp_trigger,
4730         .pointer =      snd_hdsp_hw_pointer,
4731         .copy =         snd_hdsp_capture_copy,
4732 };
4733
4734 static int __devinit snd_hdsp_create_hwdep(struct snd_card *card,
4735                                            struct hdsp *hdsp)
4736 {
4737         struct snd_hwdep *hw;
4738         int err;
4739
4740         if ((err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw)) < 0)
4741                 return err;
4742
4743         hdsp->hwdep = hw;
4744         hw->private_data = hdsp;
4745         strcpy(hw->name, "HDSP hwdep interface");
4746
4747         hw->ops.open = snd_hdsp_hwdep_dummy_op;
4748         hw->ops.ioctl = snd_hdsp_hwdep_ioctl;
4749         hw->ops.release = snd_hdsp_hwdep_dummy_op;
4750
4751         return 0;
4752 }
4753
4754 static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp)
4755 {
4756         struct snd_pcm *pcm;
4757         int err;
4758
4759         if ((err = snd_pcm_new(card, hdsp->card_name, 0, 1, 1, &pcm)) < 0)
4760                 return err;
4761
4762         hdsp->pcm = pcm;
4763         pcm->private_data = hdsp;
4764         strcpy(pcm->name, hdsp->card_name);
4765
4766         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_hdsp_playback_ops);
4767         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_hdsp_capture_ops);
4768
4769         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
4770
4771         return 0;
4772 }
4773
4774 static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp)
4775 {
4776         hdsp->control2_register |= HDSP_9652_ENABLE_MIXER;
4777         hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
4778 }
4779
4780 static int snd_hdsp_enable_io (struct hdsp *hdsp)
4781 {
4782         int i;
4783
4784         if (hdsp_fifo_wait (hdsp, 0, 100)) {
4785                 snd_printk(KERN_ERR "Hammerfall-DSP: enable_io fifo_wait failed\n");
4786                 return -EIO;
4787         }
4788
4789         for (i = 0; i < hdsp->max_channels; ++i) {
4790                 hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1);
4791                 hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1);
4792         }
4793
4794         return 0;
4795 }
4796
4797 static void snd_hdsp_initialize_channels(struct hdsp *hdsp)
4798 {
4799         int status, aebi_channels, aebo_channels;
4800
4801         switch (hdsp->io_type) {
4802         case Digiface:
4803                 hdsp->card_name = "RME Hammerfall DSP + Digiface";
4804                 hdsp->ss_in_channels = hdsp->ss_out_channels = DIGIFACE_SS_CHANNELS;
4805                 hdsp->ds_in_channels = hdsp->ds_out_channels = DIGIFACE_DS_CHANNELS;
4806                 break;
4807
4808         case H9652:
4809                 hdsp->card_name = "RME Hammerfall HDSP 9652";
4810                 hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS;
4811                 hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS;
4812                 break;
4813
4814         case H9632:
4815                 status = hdsp_read(hdsp, HDSP_statusRegister);
4816                 /* HDSP_AEBx bits are low when AEB are connected */
4817                 aebi_channels = (status & HDSP_AEBI) ? 0 : 4;
4818                 aebo_channels = (status & HDSP_AEBO) ? 0 : 4;
4819                 hdsp->card_name = "RME Hammerfall HDSP 9632";
4820                 hdsp->ss_in_channels = H9632_SS_CHANNELS+aebi_channels;
4821                 hdsp->ds_in_channels = H9632_DS_CHANNELS+aebi_channels;
4822                 hdsp->qs_in_channels = H9632_QS_CHANNELS+aebi_channels;
4823                 hdsp->ss_out_channels = H9632_SS_CHANNELS+aebo_channels;
4824                 hdsp->ds_out_channels = H9632_DS_CHANNELS+aebo_channels;
4825                 hdsp->qs_out_channels = H9632_QS_CHANNELS+aebo_channels;
4826                 break;
4827
4828         case Multiface:
4829                 hdsp->card_name = "RME Hammerfall DSP + Multiface";
4830                 hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS;
4831                 hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS;
4832                 break;
4833
4834         default:
4835                 /* should never get here */
4836                 break;
4837         }
4838 }
4839
4840 static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp)
4841 {
4842         snd_hdsp_flush_midi_input (hdsp, 0);
4843         snd_hdsp_flush_midi_input (hdsp, 1);
4844 }
4845
4846 static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp)
4847 {
4848         int err;
4849
4850         if ((err = snd_hdsp_create_pcm(card, hdsp)) < 0) {
4851                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating pcm interface\n");
4852                 return err;
4853         }
4854
4855
4856         if ((err = snd_hdsp_create_midi(card, hdsp, 0)) < 0) {
4857                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating first midi interface\n");
4858                 return err;
4859         }
4860
4861         if (hdsp->io_type == Digiface || hdsp->io_type == H9652) {
4862                 if ((err = snd_hdsp_create_midi(card, hdsp, 1)) < 0) {
4863                         snd_printk(KERN_ERR "Hammerfall-DSP: Error creating second midi interface\n");
4864                         return err;
4865                 }
4866         }
4867
4868         if ((err = snd_hdsp_create_controls(card, hdsp)) < 0) {
4869                 snd_printk(KERN_ERR "Hammerfall-DSP: Error creating ctl interface\n");
4870                 return err;
4871         }
4872
4873         snd_hdsp_proc_init(hdsp);
4874
4875         hdsp->system_sample_rate = -1;
4876         hdsp->playback_pid = -1;
4877         hdsp->capture_pid = -1;
4878         hdsp->capture_substream = NULL;
4879         hdsp->playback_substream = NULL;
4880
4881         if ((err = snd_hdsp_set_defaults(hdsp)) < 0) {
4882                 snd_printk(KERN_ERR "Hammerfall-DSP: Error setting default values\n");
4883                 return err;
4884         }
4885
4886         if (!(hdsp->state & HDSP_InitializationComplete)) {
4887                 strcpy(card->shortname, "Hammerfall DSP");
4888                 sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
4889                         hdsp->port, hdsp->irq);
4890
4891                 if ((err = snd_card_register(card)) < 0) {
4892                         snd_printk(KERN_ERR "Hammerfall-DSP: error registering card\n");
4893                         return err;
4894                 }
4895                 hdsp->state |= HDSP_InitializationComplete;
4896         }
4897
4898         return 0;
4899 }
4900
4901 #ifdef HDSP_FW_LOADER
4902 /* load firmware via hotplug fw loader */
4903 static int __devinit hdsp_request_fw_loader(struct hdsp *hdsp)
4904 {
4905         const char *fwfile;
4906         const struct firmware *fw;
4907         int err;
4908
4909         if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4910                 return 0;
4911         if (hdsp->io_type == Undefined) {
4912                 if ((err = hdsp_get_iobox_version(hdsp)) < 0)
4913                         return err;
4914                 if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
4915                         return 0;
4916         }
4917
4918         /* caution: max length of firmware filename is 30! */
4919         switch (hdsp->io_type) {
4920         case Multiface:
4921                 if (hdsp->firmware_rev == 0xa)
4922                         fwfile = "multiface_firmware.bin";
4923                 else
4924                         fwfile = "multiface_firmware_rev11.bin";
4925                 break;
4926         case Digiface:
4927                 if (hdsp->firmware_rev == 0xa)
4928                         fwfile = "digiface_firmware.bin";
4929                 else
4930                         fwfile = "digiface_firmware_rev11.bin";
4931                 break;
4932         default:
4933                 snd_printk(KERN_ERR "Hammerfall-DSP: invalid io_type %d\n", hdsp->io_type);
4934                 return -EINVAL;
4935         }
4936
4937         if (request_firmware(&fw, fwfile, &hdsp->pci->dev)) {
4938                 snd_printk(KERN_ERR "Hammerfall-DSP: cannot load firmware %s\n", fwfile);
4939                 return -ENOENT;
4940         }
4941         if (fw->size < sizeof(hdsp->firmware_cache)) {
4942                 snd_printk(KERN_ERR "Hammerfall-DSP: too short firmware size %d (expected %d)\n",
4943                            (int)fw->size, (int)sizeof(hdsp->firmware_cache));
4944                 release_firmware(fw);
4945                 return -EINVAL;
4946         }
4947
4948         memcpy(hdsp->firmware_cache, fw->data, sizeof(hdsp->firmware_cache));
4949
4950         release_firmware(fw);
4951
4952         hdsp->state |= HDSP_FirmwareCached;
4953
4954         if ((err = snd_hdsp_load_firmware_from_cache(hdsp)) < 0)
4955                 return err;
4956
4957         if (!(hdsp->state & HDSP_InitializationComplete)) {
4958                 if ((err = snd_hdsp_enable_io(hdsp)) < 0)
4959                         return err;
4960
4961                 if ((err = snd_hdsp_create_hwdep(hdsp->card, hdsp)) < 0) {
4962                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating hwdep device\n");
4963                         return err;
4964                 }
4965                 snd_hdsp_initialize_channels(hdsp);
4966                 snd_hdsp_initialize_midi_flush(hdsp);
4967                 if ((err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp)) < 0) {
4968                         snd_printk(KERN_ERR "Hammerfall-DSP: error creating alsa devices\n");
4969                         return err;
4970                 }
4971         }
4972         return 0;
4973 }
4974 #endif
4975
4976 static int __devinit snd_hdsp_create(struct snd_card *card,
4977                                      struct hdsp *hdsp)
4978 {
4979         struct pci_dev *pci = hdsp->pci;
4980         int err;
4981         int is_9652 = 0;
4982         int is_9632 = 0;
4983
4984         hdsp->irq = -1;
4985         hdsp->state = 0;
4986         hdsp->midi[0].rmidi = NULL;
4987         hdsp->midi[1].rmidi = NULL;
4988         hdsp->midi[0].input = NULL;
4989         hdsp->midi[1].input = NULL;
4990         hdsp->midi[0].output = NULL;
4991         hdsp->midi[1].output = NULL;
4992         hdsp->midi[0].pending = 0;
4993         hdsp->midi[1].pending = 0;
4994         spin_lock_init(&hdsp->midi[0].lock);
4995         spin_lock_init(&hdsp->midi[1].lock);
4996         hdsp->iobase = NULL;
4997         hdsp->control_register = 0;
4998         hdsp->control2_register = 0;
4999         hdsp->io_type = Undefined;
5000         hdsp->max_channels = 26;
5001
5002         hdsp->card = card;
5003
5004         spin_lock_init(&hdsp->lock);
5005
5006         tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
5007
5008         pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
5009         hdsp->firmware_rev &= 0xff;
5010
5011         /* From Martin Bjoernsen :
5012             "It is important that the card's latency timer register in
5013             the PCI configuration space is set to a value much larger
5014             than 0 by the computer's BIOS or the driver.
5015             The windows driver always sets this 8 bit register [...]
5016             to its maximum 255 to avoid problems with some computers."
5017         */
5018         pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
5019
5020         strcpy(card->driver, "H-DSP");
5021         strcpy(card->mixername, "Xilinx FPGA");
5022
5023         if (hdsp->firmware_rev < 0xa)
5024                 return -ENODEV;
5025         else if (hdsp->firmware_rev < 0x64)
5026                 hdsp->card_name = "RME Hammerfall DSP";
5027         else if (hdsp->firmware_rev < 0x96) {
5028                 hdsp->card_name = "RME HDSP 9652";
5029                 is_9652 = 1;
5030         } else {
5031                 hdsp->card_name = "RME HDSP 9632";
5032                 hdsp->max_channels = 16;
5033                 is_9632 = 1;
5034         }
5035
5036         if ((err = pci_enable_device(pci)) < 0)
5037                 return err;
5038
5039         pci_set_master(hdsp->pci);
5040
5041         if ((err = pci_request_regions(pci, "hdsp")) < 0)
5042                 return err;
5043         hdsp->port = pci_resource_start(pci, 0);
5044         if ((hdsp->iobase = ioremap_nocache(hdsp->port, HDSP_IO_EXTENT)) == NULL) {
5045                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to remap region 0x%lx-0x%lx\n", hdsp->port, hdsp->port + HDSP_IO_EXTENT - 1);
5046                 return -EBUSY;
5047         }
5048
5049         if (request_irq(pci->irq, snd_hdsp_interrupt, IRQF_SHARED,
5050                         "hdsp", hdsp)) {
5051                 snd_printk(KERN_ERR "Hammerfall-DSP: unable to use IRQ %d\n", pci->irq);
5052                 return -EBUSY;
5053         }
5054
5055         hdsp->irq = pci->irq;
5056         hdsp->precise_ptr = 0;
5057         hdsp->use_midi_tasklet = 1;
5058         hdsp->dds_value = 0;
5059
5060         if ((err = snd_hdsp_initialize_memory(hdsp)) < 0)
5061                 return err;
5062
5063         if (!is_9652 && !is_9632) {
5064                 /* we wait 2 seconds to let freshly inserted cardbus cards do their hardware init */
5065                 ssleep(2);
5066
5067                 if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
5068 #ifdef HDSP_FW_LOADER
5069                         if ((err = hdsp_request_fw_loader(hdsp)) < 0)
5070                                 /* we don't fail as this can happen
5071                                    if userspace is not ready for
5072                                    firmware upload
5073                                 */
5074                                 snd_printk(KERN_ERR "Hammerfall-DSP: couldn't get firmware from userspace. try using hdsploader\n");
5075                         else
5076                                 /* init is complete, we return */
5077                                 return 0;
5078 #endif
5079                         /* no iobox connected, we defer initialization */
5080                         snd_printk(KERN_INFO "Hammerfall-DSP: card initialization pending : waiting for firmware\n");
5081                         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5082                                 return err;
5083                         return 0;
5084                 } else {
5085                         snd_printk(KERN_INFO "Hammerfall-DSP: Firmware already present, initializing card.\n");
5086                         if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
5087                                 hdsp->io_type = Multiface;
5088                         else
5089                                 hdsp->io_type = Digiface;
5090                 }
5091         }
5092
5093         if ((err = snd_hdsp_enable_io(hdsp)) != 0)
5094                 return err;
5095
5096         if (is_9652)
5097                 hdsp->io_type = H9652;
5098
5099         if (is_9632)
5100                 hdsp->io_type = H9632;
5101
5102         if ((err = snd_hdsp_create_hwdep(card, hdsp)) < 0)
5103                 return err;
5104
5105         snd_hdsp_initialize_channels(hdsp);
5106         snd_hdsp_initialize_midi_flush(hdsp);
5107
5108         hdsp->state |= HDSP_FirmwareLoaded;
5109
5110         if ((err = snd_hdsp_create_alsa_devices(card, hdsp)) < 0)
5111                 return err;
5112
5113         return 0;
5114 }
5115
5116 static int snd_hdsp_free(struct hdsp *hdsp)
5117 {
5118         if (hdsp->port) {
5119                 /* stop the audio, and cancel all interrupts */
5120                 tasklet_kill(&hdsp->midi_tasklet);
5121                 hdsp->control_register &= ~(HDSP_Start|HDSP_AudioInterruptEnable|HDSP_Midi0InterruptEnable|HDSP_Midi1InterruptEnable);
5122                 hdsp_write (hdsp, HDSP_controlRegister, hdsp->control_register);
5123         }
5124
5125         if (hdsp->irq >= 0)
5126                 free_irq(hdsp->irq, (void *)hdsp);
5127
5128         snd_hdsp_free_buffers(hdsp);
5129
5130         if (hdsp->iobase)
5131                 iounmap(hdsp->iobase);
5132
5133         if (hdsp->port)
5134                 pci_release_regions(hdsp->pci);
5135
5136         pci_disable_device(hdsp->pci);
5137         return 0;
5138 }
5139
5140 static void snd_hdsp_card_free(struct snd_card *card)
5141 {
5142         struct hdsp *hdsp = (struct hdsp *) card->private_data;
5143
5144         if (hdsp)
5145                 snd_hdsp_free(hdsp);
5146 }
5147
5148 static int __devinit snd_hdsp_probe(struct pci_dev *pci,
5149                                     const struct pci_device_id *pci_id)
5150 {
5151         static int dev;
5152         struct hdsp *hdsp;
5153         struct snd_card *card;
5154         int err;
5155
5156         if (dev >= SNDRV_CARDS)
5157                 return -ENODEV;
5158         if (!enable[dev]) {
5159                 dev++;
5160                 return -ENOENT;
5161         }
5162
5163         if (!(card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct hdsp))))
5164                 return -ENOMEM;
5165
5166         hdsp = (struct hdsp *) card->private_data;
5167         card->private_free = snd_hdsp_card_free;
5168         hdsp->dev = dev;
5169         hdsp->pci = pci;
5170         snd_card_set_dev(card, &pci->dev);
5171
5172         if ((err = snd_hdsp_create(card, hdsp)) < 0) {
5173                 snd_card_free(card);
5174                 return err;
5175         }
5176
5177         strcpy(card->shortname, "Hammerfall DSP");
5178         sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name,
5179                 hdsp->port, hdsp->irq);
5180
5181         if ((err = snd_card_register(card)) < 0) {
5182                 snd_card_free(card);
5183                 return err;
5184         }
5185         pci_set_drvdata(pci, card);
5186         dev++;
5187         return 0;
5188 }
5189
5190 static void __devexit snd_hdsp_remove(struct pci_dev *pci)
5191 {
5192         snd_card_free(pci_get_drvdata(pci));
5193         pci_set_drvdata(pci, NULL);
5194 }
5195
5196 static struct pci_driver driver = {
5197         .name =     "RME Hammerfall DSP",
5198         .id_table = snd_hdsp_ids,
5199         .probe =    snd_hdsp_probe,
5200         .remove = __devexit_p(snd_hdsp_remove),
5201 };
5202
5203 static int __init alsa_card_hdsp_init(void)
5204 {
5205         return pci_register_driver(&driver);
5206 }
5207
5208 static void __exit alsa_card_hdsp_exit(void)
5209 {
5210         pci_unregister_driver(&driver);
5211 }
5212
5213 module_init(alsa_card_hdsp_init)
5214 module_exit(alsa_card_hdsp_exit)