sound/pci/korg1212/korg1212.c

   1 /*
   2  *   Driver for the Korg 1212 IO PCI card
   3  *
   4  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <linux/delay.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/pci.h>
  26 #include <linux/slab.h>
  27 #include <linux/wait.h>
  28 #include <linux/module.h>
  29 #include <linux/mutex.h>
  30 #include <linux/firmware.h>
  31 #include <linux/io.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/info.h>
  35 #include <sound/control.h>
  36 #include <sound/pcm.h>
  37 #include <sound/pcm_params.h>
  38 #include <sound/initval.h>
  39
  40 // ----------------------------------------------------------------------------
  41 // Debug Stuff
  42 // ----------------------------------------------------------------------------
  43 #define K1212_DEBUG_LEVEL               0
  44 #if K1212_DEBUG_LEVEL > 0
  45 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  46 #else
  47 #define K1212_DEBUG_PRINTK(fmt,...)
  48 #endif
  49 #if K1212_DEBUG_LEVEL > 1
  50 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  51 #else
  52 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  53 #endif
  54
  55 // ----------------------------------------------------------------------------
  56 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
  57 // buffers are alocated as a large piece inside KorgSharedBuffer.
  58 // ----------------------------------------------------------------------------
  59 //#define K1212_LARGEALLOC              1
  60
  61 // ----------------------------------------------------------------------------
  62 // Valid states of the Korg 1212 I/O card.
  63 // ----------------------------------------------------------------------------
  64 enum CardState {
  65    K1212_STATE_NONEXISTENT,             // there is no card here
  66    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  67    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  68    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  69    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  70                                         //    requests prior to this state should fail.  Only an open
  71                                         //    request can be made at this state.
  72    K1212_STATE_OPEN,                    // an application has opened the card
  73    K1212_STATE_SETUP,                   // the card has been setup for play
  74    K1212_STATE_PLAYING,                 // the card is playing
  75    K1212_STATE_MONITOR,                 // the card is in the monitor mode
  76    K1212_STATE_CALIBRATING,             // the card is currently calibrating
  77    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  78                                         //    are in the process of cleaning things up.
  79    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  80 };
  81
  82 // ----------------------------------------------------------------------------
  83 // The following enumeration defines the constants written to the card's
  84 // host-to-card doorbell to initiate a command.
  85 // ----------------------------------------------------------------------------
  86 enum korg1212_dbcnst {
  87    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  88    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  89    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  90    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  91    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  92    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  93    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  94    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  95                                           //    timecode value.
  96    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  97    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  98    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
  99    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 100                                           //    on page 4 (local page to card).
 101    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 102                                           //    completed.
 103    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 104 };
 105
 106
 107 // ----------------------------------------------------------------------------
 108 // The following enumeration defines return codes
 109 // to the Korg 1212 I/O driver.
 110 // ----------------------------------------------------------------------------
 111 enum snd_korg1212rc {
 112    K1212_CMDRET_Success         = 0,   // command was successfully placed
 113    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 114    K1212_CMDRET_PMFailure,             // the protected mode call failed
 115    K1212_CMDRET_FailUnspecified,       // unspecified failure
 116    K1212_CMDRET_FailBadState,          // the specified command can not be given in
 117                                        //    the card's current state. (or the wave device's
 118                                        //    state)
 119    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 120    K1212_CMDRET_BadIndex,              // an out of range card index was specified
 121    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 122    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 123    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 124    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 125    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 126
 127    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 128    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 129 };
 130
 131 // ----------------------------------------------------------------------------
 132 // The following enumeration defines the constants used to select the play
 133 // mode for the card in the SelectPlayMode command.
 134 // ----------------------------------------------------------------------------
 135 enum PlayModeSelector {
 136    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 137    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 138    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 139    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 140 };
 141
 142 // ----------------------------------------------------------------------------
 143 // The following enumeration defines the constants used to select the monitor
 144 // mode for the card in the SetMonitorMode command.
 145 // ----------------------------------------------------------------------------
 146 enum MonitorModeSelector {
 147    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 148    K1212_MONMODE_On            // tells card to turn on monitor mode
 149 };
 150
 151 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 152 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 153 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 154 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 155 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 156 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 157 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 158 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 159                                         //    register
 160 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 161                                         //    this is the upper word of the PCI control reg.
 162 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 163
 164 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 165                                        //    to send a command before giving up.
 166 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 167                                         //    the card.
 168 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 169
 170 #define CARD_BOOT_DELAY_IN_MS  10
 171 #define CARD_BOOT_TIMEOUT      10
 172 #define DSP_BOOT_DELAY_IN_MS   200
 173
 174 #define kNumBuffers             8
 175 #define k1212MaxCards           4
 176 #define k1212NumWaveDevices     6
 177 #define k16BitChannels          10
 178 #define k32BitChannels          2
 179 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 180 #define kPlayBufferFrames       1024
 181
 182 #define K1212_ANALOG_CHANNELS   2
 183 #define K1212_SPDIF_CHANNELS    2
 184 #define K1212_ADAT_CHANNELS     8
 185 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 186 #define K1212_MIN_CHANNELS      1
 187 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 188 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 189 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 190 #define K1212_PERIODS           (kNumBuffers)
 191 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 192 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 193 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 194 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 195 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 196 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 197
 198 #define k1212MinADCSens     0x00
 199 #define k1212MaxADCSens     0x7f
 200 #define k1212MaxVolume      0x7fff
 201 #define k1212MaxWaveVolume  0xffff
 202 #define k1212MinVolume      0x0000
 203 #define k1212MaxVolInverted 0x8000
 204
 205 // -----------------------------------------------------------------
 206 // the following bits are used for controlling interrupts in the
 207 // interrupt control/status reg
 208 // -----------------------------------------------------------------
 209 #define  PCI_INT_ENABLE_BIT               0x00000100
 210 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 211 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 212 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 213 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 214
 215 // -----------------------------------------------------------------
 216 // the following bits are defined for the PCI command register
 217 // -----------------------------------------------------------------
 218 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 219 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 220 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 221
 222 // -----------------------------------------------------------------
 223 // the following bits are defined for the PCI status register
 224 // -----------------------------------------------------------------
 225 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 226 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 227 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 228 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 229 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 230
 231 // ------------------------------------------------------------------------
 232 // the following constants are used in setting the 1212 I/O card's input
 233 // sensitivity.
 234 // ------------------------------------------------------------------------
 235 #define  SET_SENS_LOCALINIT_BITPOS        15
 236 #define  SET_SENS_DATA_BITPOS             10
 237 #define  SET_SENS_CLOCK_BITPOS            8
 238 #define  SET_SENS_LOADSHIFT_BITPOS        0
 239
 240 #define  SET_SENS_LEFTCHANID              0x00
 241 #define  SET_SENS_RIGHTCHANID             0x01
 242
 243 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 244
 245 // --------------------------------------------------------------------------
 246 // WaitRTCTicks
 247 //
 248 //    This function waits the specified number of real time clock ticks.
 249 //    According to the DDK, each tick is ~0.8 microseconds.
 250 //    The defines following the function declaration can be used for the
 251 //    numTicksToWait parameter.
 252 // --------------------------------------------------------------------------
 253 #define ONE_RTC_TICK         1
 254 #define SENSCLKPULSE_WIDTH   4
 255 #define LOADSHIFT_DELAY      4
 256 #define INTERCOMMAND_DELAY  40
 257 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 258                                        //    the command register.  (could be up to 180 us)
 259 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 260                                        //    from the card after sending a command.
 261
 262 enum ClockSourceIndex {
 263    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 264    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 265    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 266    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 267    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 268    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 269    K1212_CLKIDX_Invalid             // used to check validity of the index
 270 };
 271
 272 enum ClockSourceType {
 273    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 274    K1212_CLKIDX_Word,        // selects source as S/PDIF
 275    K1212_CLKIDX_Local        // selects source as local clock
 276 };
 277
 278 struct KorgAudioFrame {
 279         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 280         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 281         u32 timeCodeVal; /* holds the ADAT timecode value */
 282 };
 283
 284 struct KorgAudioBuffer {
 285         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 286 };
 287
 288 struct KorgSharedBuffer {
 289 #ifdef K1212_LARGEALLOC
 290    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 291    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 292 #endif
 293    short             volumeData[kAudioChannels];
 294    u32               cardCommand;
 295    u16               routeData [kAudioChannels];
 296    u32               AdatTimeCode;                 // ADAT timecode value
 297 };
 298
 299 struct SensBits {
 300    union {
 301       struct {
 302          unsigned int leftChanVal:8;
 303          unsigned int leftChanId:8;
 304       } v;
 305       u16  leftSensBits;
 306    } l;
 307    union {
 308       struct {
 309          unsigned int rightChanVal:8;
 310          unsigned int rightChanId:8;
 311       } v;
 312       u16  rightSensBits;
 313    } r;
 314 };
 315
 316 struct snd_korg1212 {
 317         struct snd_card *card;
 318         struct pci_dev *pci;
 319         struct snd_pcm *pcm;
 320         int irq;
 321
 322         spinlock_t    lock;
 323         struct mutex open_mutex;
 324
 325         struct timer_list timer;        /* timer callback for checking ack of stop request */
 326         int stop_pending_cnt;           /* counter for stop pending check */
 327
 328         wait_queue_head_t wait;
 329
 330         unsigned long iomem;
 331         unsigned long ioport;
 332         unsigned long iomem2;
 333         unsigned long irqcount;
 334         unsigned long inIRQ;
 335         void __iomem *iobase;
 336
 337         struct snd_dma_buffer dma_dsp;
 338         struct snd_dma_buffer dma_play;
 339         struct snd_dma_buffer dma_rec;
 340         struct snd_dma_buffer dma_shared;
 341
 342         u32 DataBufsSize;
 343
 344         struct KorgAudioBuffer  * playDataBufsPtr;
 345         struct KorgAudioBuffer  * recordDataBufsPtr;
 346
 347         struct KorgSharedBuffer * sharedBufferPtr;
 348
 349         u32 RecDataPhy;
 350         u32 PlayDataPhy;
 351         unsigned long sharedBufferPhy;
 352         u32 VolumeTablePhy;
 353         u32 RoutingTablePhy;
 354         u32 AdatTimeCodePhy;
 355
 356         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 357         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 358         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 359         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 360         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 361         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 362         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 363         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 364         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 365         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 366
 367         size_t periodsize;
 368         int channels;
 369         int currentBuffer;
 370
 371         struct snd_pcm_substream *playback_substream;
 372         struct snd_pcm_substream *capture_substream;
 373
 374         pid_t capture_pid;
 375         pid_t playback_pid;
 376
 377         enum CardState cardState;
 378         int running;
 379         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 380         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 381
 382         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 383
 384         enum ClockSourceType clkSource;   // clock source
 385         int clkRate;                 // clock rate
 386
 387         int volumePhase[kAudioChannels];
 388
 389         u16 leftADCInSens;           // ADC left channel input sensitivity
 390         u16 rightADCInSens;          // ADC right channel input sensitivity
 391
 392         int opencnt;                 // Open/Close count
 393         int setcnt;                  // SetupForPlay count
 394         int playcnt;                 // TriggerPlay count
 395         int errorcnt;                // Error Count
 396         unsigned long totalerrorcnt; // Total Error Count
 397
 398         int dsp_is_loaded;
 399         int dsp_stop_is_processed;
 400
 401 };
 402
 403 MODULE_DESCRIPTION("korg1212");
 404 MODULE_LICENSE("GPL");
 405 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 406 MODULE_FIRMWARE("korg/k1212.dsp");
 407
 408 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 409 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 410 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 411
 412 module_param_array(index, int, NULL, 0444);
 413 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 414 module_param_array(id, charp, NULL, 0444);
 415 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 416 module_param_array(enable, bool, NULL, 0444);
 417 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 418 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 419
 420 static const struct pci_device_id snd_korg1212_ids[] = {
 421         {
 422                 .vendor    = 0x10b5,
 423                 .device    = 0x906d,
 424                 .subvendor = PCI_ANY_ID,
 425                 .subdevice = PCI_ANY_ID,
 426         },
 427         { 0, },
 428 };
 429
 430 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 431
 432 static char *stateName[] = {
 433         "Non-existent",
 434         "Uninitialized",
 435         "DSP download in process",
 436         "DSP download complete",
 437         "Ready",
 438         "Open",
 439         "Setup for play",
 440         "Playing",
 441         "Monitor mode on",
 442         "Calibrating",
 443         "Invalid"
 444 };
 445
 446 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 447
 448 static const char * const clockSourceName[] = {
 449         "ADAT at 44.1 kHz",
 450         "ADAT at 48 kHz",
 451         "S/PDIF at 44.1 kHz",
 452         "S/PDIF at 48 kHz",
 453         "local clock at 44.1 kHz",
 454         "local clock at 48 kHz"
 455 };
 456
 457 static const char * const channelName[] = {
 458         "ADAT-1",
 459         "ADAT-2",
 460         "ADAT-3",
 461         "ADAT-4",
 462         "ADAT-5",
 463         "ADAT-6",
 464         "ADAT-7",
 465         "ADAT-8",
 466         "Analog-L",
 467         "Analog-R",
 468         "SPDIF-L",
 469         "SPDIF-R",
 470 };
 471
 472 static u16 ClockSourceSelector[] = {
 473         0x8000,   // selects source as ADAT at 44.1 kHz
 474         0x0000,   // selects source as ADAT at 48 kHz
 475         0x8001,   // selects source as S/PDIF at 44.1 kHz
 476         0x0001,   // selects source as S/PDIF at 48 kHz
 477         0x8002,   // selects source as local clock at 44.1 kHz
 478         0x0002    // selects source as local clock at 48 kHz
 479 };
 480
 481 union swap_u32 { unsigned char c[4]; u32 i; };
 482
 483 #ifdef SNDRV_BIG_ENDIAN
 484 static u32 LowerWordSwap(u32 swappee)
 485 #else
 486 static u32 UpperWordSwap(u32 swappee)
 487 #endif
 488 {
 489    union swap_u32 retVal, swapper;
 490
 491    swapper.i = swappee;
 492    retVal.c[2] = swapper.c[3];
 493    retVal.c[3] = swapper.c[2];
 494    retVal.c[1] = swapper.c[1];
 495    retVal.c[0] = swapper.c[0];
 496
 497    return retVal.i;
 498 }
 499
 500 #ifdef SNDRV_BIG_ENDIAN
 501 static u32 UpperWordSwap(u32 swappee)
 502 #else
 503 static u32 LowerWordSwap(u32 swappee)
 504 #endif
 505 {
 506    union swap_u32 retVal, swapper;
 507
 508    swapper.i = swappee;
 509    retVal.c[2] = swapper.c[2];
 510    retVal.c[3] = swapper.c[3];
 511    retVal.c[1] = swapper.c[0];
 512    retVal.c[0] = swapper.c[1];
 513
 514    return retVal.i;
 515 }
 516
 517 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 518 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 519 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 520 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 521
 522 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 523                                         enum korg1212_dbcnst doorbellVal,
 524                                         u32 mailBox0Val, u32 mailBox1Val,
 525                                         u32 mailBox2Val, u32 mailBox3Val)
 526 {
 527         u32 retryCount;
 528         u16 mailBox3Lo;
 529         int rc = K1212_CMDRET_Success;
 530
 531         if (!korg1212->outDoorbellPtr) {
 532                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 533                 return K1212_CMDRET_CardUninitialized;
 534         }
 535
 536         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 537                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 538         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 539                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 540                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 541                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 542                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 543                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 544
 545                 // --------------------------------------------------------------
 546                 // the reboot command will not give an acknowledgement.
 547                 // --------------------------------------------------------------
 548                 if ( doorbellVal == K1212_DB_RebootCard ||
 549                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 550                         doorbellVal == K1212_DB_StartDSPDownload ) {
 551                         rc = K1212_CMDRET_Success;
 552                         break;
 553                 }
 554
 555                 // --------------------------------------------------------------
 556                 // See if the card acknowledged the command.  Wait a bit, then
 557                 // read in the low word of mailbox3.  If the MSB is set and the
 558                 // low byte is equal to the doorbell value, then it ack'd.
 559                 // --------------------------------------------------------------
 560                 udelay(COMMAND_ACK_DELAY);
 561                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 562                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 563                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 564                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 565                                 rc = K1212_CMDRET_Success;
 566                                 break;
 567                         }
 568                 }
 569         }
 570         korg1212->cmdRetryCount += retryCount;
 571
 572         if (retryCount >= MAX_COMMAND_RETRIES) {
 573                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 574                 rc = K1212_CMDRET_NoAckFromCard;
 575         }
 576
 577         return rc;
 578 }
 579
 580 /* spinlock already held */
 581 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 582 {
 583         if (! korg1212->stop_pending_cnt) {
 584                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 585                 /* program the timer */
 586                 korg1212->stop_pending_cnt = HZ;
 587                 mod_timer(&korg1212->timer, jiffies + 1);
 588         }
 589 }
 590
 591 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 592 {
 593         unsigned long flags;
 594         spin_lock_irqsave(&korg1212->lock, flags);
 595         korg1212->dsp_stop_is_processed = 0;
 596         snd_korg1212_SendStop(korg1212);
 597         spin_unlock_irqrestore(&korg1212->lock, flags);
 598         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 599 }
 600
 601 /* timer callback for checking the ack of stop request */
 602 static void snd_korg1212_timer_func(struct timer_list *t)
 603 {
 604         struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
 605         unsigned long flags;
 606
 607         spin_lock_irqsave(&korg1212->lock, flags);
 608         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 609                 /* ack'ed */
 610                 korg1212->stop_pending_cnt = 0;
 611                 korg1212->dsp_stop_is_processed = 1;
 612                 wake_up(&korg1212->wait);
 613                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 614                                            stateName[korg1212->cardState]);
 615         } else {
 616                 if (--korg1212->stop_pending_cnt > 0) {
 617                         /* reprogram timer */
 618                         mod_timer(&korg1212->timer, jiffies + 1);
 619                 } else {
 620                         snd_printd("korg1212_timer_func timeout\n");
 621                         korg1212->sharedBufferPtr->cardCommand = 0;
 622                         korg1212->dsp_stop_is_processed = 1;
 623                         wake_up(&korg1212->wait);
 624                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 625                                            stateName[korg1212->cardState]);
 626                 }
 627         }
 628         spin_unlock_irqrestore(&korg1212->lock, flags);
 629 }
 630
 631 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 632 {
 633         unsigned long flags;
 634         int rc;
 635
 636         udelay(INTERCOMMAND_DELAY);
 637         spin_lock_irqsave(&korg1212->lock, flags);
 638         korg1212->idleMonitorOn = 1;
 639         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 640                                           K1212_MODE_MonitorOn, 0, 0, 0);
 641         spin_unlock_irqrestore(&korg1212->lock, flags);
 642         return rc;
 643 }
 644
 645 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 646 {
 647         if (korg1212->idleMonitorOn) {
 648                 snd_korg1212_SendStopAndWait(korg1212);
 649                 korg1212->idleMonitorOn = 0;
 650         }
 651 }
 652
 653 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 654 {
 655         korg1212->cardState = csState;
 656 }
 657
 658 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 659 {
 660         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 661                            stateName[korg1212->cardState], korg1212->opencnt);
 662         mutex_lock(&korg1212->open_mutex);
 663         if (korg1212->opencnt++ == 0) {
 664                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 665                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 666         }
 667
 668         mutex_unlock(&korg1212->open_mutex);
 669         return 1;
 670 }
 671
 672 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 673 {
 674         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 675                            stateName[korg1212->cardState], korg1212->opencnt);
 676
 677         mutex_lock(&korg1212->open_mutex);
 678         if (--(korg1212->opencnt)) {
 679                 mutex_unlock(&korg1212->open_mutex);
 680                 return 0;
 681         }
 682
 683         if (korg1212->cardState == K1212_STATE_SETUP) {
 684                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 685                                 K1212_MODE_StopPlay, 0, 0, 0);
 686                 if (rc)
 687                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 688                                            rc, stateName[korg1212->cardState]);
 689                 if (rc != K1212_CMDRET_Success) {
 690                         mutex_unlock(&korg1212->open_mutex);
 691                         return 0;
 692                 }
 693         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 694                 snd_korg1212_SendStopAndWait(korg1212);
 695         }
 696
 697         if (korg1212->cardState > K1212_STATE_READY) {
 698                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 699                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 700         }
 701
 702         mutex_unlock(&korg1212->open_mutex);
 703         return 0;
 704 }
 705
 706 /* spinlock already held */
 707 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 708 {
 709         int rc;
 710
 711         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 712                            stateName[korg1212->cardState], korg1212->setcnt);
 713
 714         if (korg1212->setcnt++)
 715                 return 0;
 716
 717         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 718         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 719                                         K1212_MODE_SetupPlay, 0, 0, 0);
 720         if (rc)
 721                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 722                                    rc, stateName[korg1212->cardState]);
 723         if (rc != K1212_CMDRET_Success) {
 724                 return 1;
 725         }
 726         return 0;
 727 }
 728
 729 /* spinlock already held */
 730 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 731 {
 732         int rc;
 733
 734         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 735                            stateName[korg1212->cardState], korg1212->playcnt);
 736
 737         if (korg1212->playcnt++)
 738                 return 0;
 739
 740         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 741         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 742         if (rc)
 743                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 744                                    rc, stateName[korg1212->cardState]);
 745         if (rc != K1212_CMDRET_Success) {
 746                 return 1;
 747         }
 748         return 0;
 749 }
 750
 751 /* spinlock already held */
 752 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 753 {
 754         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 755                            stateName[korg1212->cardState], korg1212->playcnt);
 756
 757         if (--(korg1212->playcnt))
 758                 return 0;
 759
 760         korg1212->setcnt = 0;
 761
 762         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 763                 snd_korg1212_SendStop(korg1212);
 764
 765         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 766         return 0;
 767 }
 768
 769 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 770 {
 771         writel(PCI_INT_ENABLE_BIT            |
 772                PCI_DOORBELL_INT_ENABLE_BIT   |
 773                LOCAL_INT_ENABLE_BIT          |
 774                LOCAL_DOORBELL_INT_ENABLE_BIT |
 775                LOCAL_DMA1_INT_ENABLE_BIT,
 776                korg1212->statusRegPtr);
 777 }
 778
 779 #if 0 /* not used */
 780
 781 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 782                                        enum MonitorModeSelector mode)
 783 {
 784         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 785                            stateName[korg1212->cardState]);
 786
 787         switch (mode) {
 788         case K1212_MONMODE_Off:
 789                 if (korg1212->cardState != K1212_STATE_MONITOR)
 790                         return 0;
 791                 else {
 792                         snd_korg1212_SendStopAndWait(korg1212);
 793                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 794                 }
 795                 break;
 796
 797         case K1212_MONMODE_On:
 798                 if (korg1212->cardState != K1212_STATE_OPEN)
 799                         return 0;
 800                 else {
 801                         int rc;
 802                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 803                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 804                                                           K1212_MODE_MonitorOn, 0, 0, 0);
 805                         if (rc != K1212_CMDRET_Success)
 806                                 return 0;
 807                 }
 808                 break;
 809
 810         default:
 811                 return 0;
 812         }
 813
 814         return 1;
 815 }
 816
 817 #endif /* not used */
 818
 819 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 820 {
 821         if (korg1212->playback_pid != korg1212->capture_pid &&
 822             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 823                 return 0;
 824
 825         return 1;
 826 }
 827
 828 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 829 {
 830         static enum ClockSourceIndex s44[] = {
 831                 K1212_CLKIDX_AdatAt44_1K,
 832                 K1212_CLKIDX_WordAt44_1K,
 833                 K1212_CLKIDX_LocalAt44_1K
 834         };
 835         static enum ClockSourceIndex s48[] = {
 836                 K1212_CLKIDX_AdatAt48K,
 837                 K1212_CLKIDX_WordAt48K,
 838                 K1212_CLKIDX_LocalAt48K
 839         };
 840         int parm, rc;
 841
 842         if (!snd_korg1212_use_is_exclusive (korg1212))
 843                 return -EBUSY;
 844
 845         switch (rate) {
 846         case 44100:
 847                 parm = s44[korg1212->clkSource];
 848                 break;
 849
 850         case 48000:
 851                 parm = s48[korg1212->clkSource];
 852                 break;
 853
 854         default:
 855                 return -EINVAL;
 856         }
 857
 858         korg1212->clkSrcRate = parm;
 859         korg1212->clkRate = rate;
 860
 861         udelay(INTERCOMMAND_DELAY);
 862         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 863                                           ClockSourceSelector[korg1212->clkSrcRate],
 864                                           0, 0, 0);
 865         if (rc)
 866                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 867                                    rc, stateName[korg1212->cardState]);
 868
 869         return 0;
 870 }
 871
 872 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 873 {
 874
 875         if (source < 0 || source > 2)
 876                 return -EINVAL;
 877
 878         korg1212->clkSource = source;
 879
 880         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 881
 882         return 0;
 883 }
 884
 885 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 886 {
 887         writel(0, korg1212->statusRegPtr);
 888 }
 889
 890 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 891 {
 892         struct SensBits  sensVals;
 893         int       bitPosition;
 894         int       channel;
 895         int       clkIs48K;
 896         int       monModeSet;
 897         u16       controlValue;    // this keeps the current value to be written to
 898                                    //  the card's eeprom control register.
 899         u16       count;
 900         unsigned long flags;
 901
 902         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 903                            stateName[korg1212->cardState]);
 904
 905         // ----------------------------------------------------------------------------
 906         // initialize things.  The local init bit is always set when writing to the
 907         // card's control register.
 908         // ----------------------------------------------------------------------------
 909         controlValue = 0;
 910         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 911
 912         // ----------------------------------------------------------------------------
 913         // make sure the card is not in monitor mode when we do this update.
 914         // ----------------------------------------------------------------------------
 915         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 916                 monModeSet = 1;
 917                 snd_korg1212_SendStopAndWait(korg1212);
 918         } else
 919                 monModeSet = 0;
 920
 921         spin_lock_irqsave(&korg1212->lock, flags);
 922
 923         // ----------------------------------------------------------------------------
 924         // we are about to send new values to the card, so clear the new values queued
 925         // flag.  Also, clear out mailbox 3, so we don't lockup.
 926         // ----------------------------------------------------------------------------
 927         writel(0, korg1212->mailbox3Ptr);
 928         udelay(LOADSHIFT_DELAY);
 929
 930         // ----------------------------------------------------------------------------
 931         // determine whether we are running a 48K or 44.1K clock.  This info is used
 932         // later when setting the SPDIF FF after the volume has been shifted in.
 933         // ----------------------------------------------------------------------------
 934         switch (korg1212->clkSrcRate) {
 935                 case K1212_CLKIDX_AdatAt44_1K:
 936                 case K1212_CLKIDX_WordAt44_1K:
 937                 case K1212_CLKIDX_LocalAt44_1K:
 938                         clkIs48K = 0;
 939                         break;
 940
 941                 case K1212_CLKIDX_WordAt48K:
 942                 case K1212_CLKIDX_AdatAt48K:
 943                 case K1212_CLKIDX_LocalAt48K:
 944                 default:
 945                         clkIs48K = 1;
 946                         break;
 947         }
 948
 949         // ----------------------------------------------------------------------------
 950         // start the update.  Setup the bit structure and then shift the bits.
 951         // ----------------------------------------------------------------------------
 952         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 953         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 954         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 955         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 956
 957         // ----------------------------------------------------------------------------
 958         // now start shifting the bits in.  Start with the left channel then the right.
 959         // ----------------------------------------------------------------------------
 960         for (channel = 0; channel < 2; channel++) {
 961
 962                 // ----------------------------------------------------------------------------
 963                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
 964                 // shift low to the first rising edge of the clock.
 965                 // ----------------------------------------------------------------------------
 966                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 967                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 968                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 969                 udelay(LOADSHIFT_DELAY);
 970
 971                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 972                         if (channel == 0) {
 973                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 974                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 975                                 else
 976                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 977                         } else {
 978                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 979                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 980                                 else
 981                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 982                         }
 983
 984                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 985                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 986                         udelay(SENSCLKPULSE_WIDTH);
 987                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 988                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 989                         udelay(SENSCLKPULSE_WIDTH);
 990                 }
 991
 992                 // ----------------------------------------------------------------------------
 993                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
 994                 // bit if the clock rate is 48K otherwise write 0.
 995                 // ----------------------------------------------------------------------------
 996                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 997                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 998                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 999                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1000                 udelay(SENSCLKPULSE_WIDTH);
1001
1002                 if (clkIs48K)
1003                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1004
1005                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1006                 udelay(ONE_RTC_TICK);
1007                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1008                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1009                 udelay(SENSCLKPULSE_WIDTH);
1010                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1012                 udelay(SENSCLKPULSE_WIDTH);
1013         }
1014
1015         // ----------------------------------------------------------------------------
1016         // The update is complete.  Set a timeout.  This is the inter-update delay.
1017         // Also, if the card was in monitor mode, restore it.
1018         // ----------------------------------------------------------------------------
1019         for (count = 0; count < 10; count++)
1020                 udelay(SENSCLKPULSE_WIDTH);
1021
1022         if (monModeSet) {
1023                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1024                                 K1212_MODE_MonitorOn, 0, 0, 0);
1025                 if (rc)
1026                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1027                                            rc, stateName[korg1212->cardState]);
1028         }
1029
1030         spin_unlock_irqrestore(&korg1212->lock, flags);
1031
1032         return 1;
1033 }
1034
1035 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1036 {
1037         int channel, rc;
1038
1039         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1040                            stateName[korg1212->cardState]);
1041
1042         // ----------------------------------------------------
1043         // tell the card to boot
1044         // ----------------------------------------------------
1045         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1046
1047         if (rc)
1048                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1049                                    rc, stateName[korg1212->cardState]);
1050         msleep(DSP_BOOT_DELAY_IN_MS);
1051
1052         // --------------------------------------------------------------------------------
1053         // Let the card know where all the buffers are.
1054         // --------------------------------------------------------------------------------
1055         rc = snd_korg1212_Send1212Command(korg1212,
1056                         K1212_DB_ConfigureBufferMemory,
1057                         LowerWordSwap(korg1212->PlayDataPhy),
1058                         LowerWordSwap(korg1212->RecDataPhy),
1059                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1060                                                                    // is based on 2 buffers
1061                         0
1062         );
1063
1064         if (rc)
1065                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1066                                    rc, stateName[korg1212->cardState]);
1067
1068         udelay(INTERCOMMAND_DELAY);
1069
1070         rc = snd_korg1212_Send1212Command(korg1212,
1071                         K1212_DB_ConfigureMiscMemory,
1072                         LowerWordSwap(korg1212->VolumeTablePhy),
1073                         LowerWordSwap(korg1212->RoutingTablePhy),
1074                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1075                         0
1076         );
1077
1078         if (rc)
1079                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1080                                    rc, stateName[korg1212->cardState]);
1081
1082         // --------------------------------------------------------------------------------
1083         // Initialize the routing and volume tables, then update the card's state.
1084         // --------------------------------------------------------------------------------
1085         udelay(INTERCOMMAND_DELAY);
1086
1087         for (channel = 0; channel < kAudioChannels; channel++) {
1088                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1089                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1090                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1091         }
1092
1093         snd_korg1212_WriteADCSensitivity(korg1212);
1094
1095         udelay(INTERCOMMAND_DELAY);
1096         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1097                                           ClockSourceSelector[korg1212->clkSrcRate],
1098                                           0, 0, 0);
1099         if (rc)
1100                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1101                                    rc, stateName[korg1212->cardState]);
1102
1103         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1104         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1105
1106         if (rc)
1107                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1108                                    rc, stateName[korg1212->cardState]);
1109
1110         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1111 }
1112
1113 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1114 {
1115         u32 doorbellValue;
1116         struct snd_korg1212 *korg1212 = dev_id;
1117
1118         doorbellValue = readl(korg1212->inDoorbellPtr);
1119
1120         if (!doorbellValue)
1121                 return IRQ_NONE;
1122
1123         spin_lock(&korg1212->lock);
1124
1125         writel(doorbellValue, korg1212->inDoorbellPtr);
1126
1127         korg1212->irqcount++;
1128
1129         korg1212->inIRQ++;
1130
1131         switch (doorbellValue) {
1132                 case K1212_DB_DSPDownloadDone:
1133                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1134                                            korg1212->irqcount, doorbellValue,
1135                                            stateName[korg1212->cardState]);
1136                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1137                                 korg1212->dsp_is_loaded = 1;
1138                                 wake_up(&korg1212->wait);
1139                         }
1140                         break;
1141
1142                 // ------------------------------------------------------------------------
1143                 // an error occurred - stop the card
1144                 // ------------------------------------------------------------------------
1145                 case K1212_DB_DMAERROR:
1146                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1147                                                    korg1212->irqcount, doorbellValue,
1148                                                    stateName[korg1212->cardState]);
1149                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1150                         korg1212->errorcnt++;
1151                         korg1212->totalerrorcnt++;
1152                         korg1212->sharedBufferPtr->cardCommand = 0;
1153                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1154                         break;
1155
1156                 // ------------------------------------------------------------------------
1157                 // the card has stopped by our request.  Clear the command word and signal
1158                 // the semaphore in case someone is waiting for this.
1159                 // ------------------------------------------------------------------------
1160                 case K1212_DB_CARDSTOPPED:
1161                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1162                                                    korg1212->irqcount, doorbellValue,
1163                                                    stateName[korg1212->cardState]);
1164                         korg1212->sharedBufferPtr->cardCommand = 0;
1165                         break;
1166
1167                 default:
1168                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1169                                korg1212->irqcount, doorbellValue,
1170                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1171                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1172                                 korg1212->currentBuffer++;
1173
1174                                 if (korg1212->currentBuffer >= kNumBuffers)
1175                                         korg1212->currentBuffer = 0;
1176
1177                                 if (!korg1212->running)
1178                                         break;
1179
1180                                 if (korg1212->capture_substream) {
1181                                         spin_unlock(&korg1212->lock);
1182                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1183                                         spin_lock(&korg1212->lock);
1184                                 }
1185
1186                                 if (korg1212->playback_substream) {
1187                                         spin_unlock(&korg1212->lock);
1188                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1189                                         spin_lock(&korg1212->lock);
1190                                 }
1191                         }
1192                         break;
1193         }
1194
1195         korg1212->inIRQ--;
1196
1197         spin_unlock(&korg1212->lock);
1198
1199         return IRQ_HANDLED;
1200 }
1201
1202 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1203 {
1204         int rc;
1205
1206         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1207                            stateName[korg1212->cardState]);
1208
1209         // ---------------------------------------------------------------
1210         // verify the state of the card before proceeding.
1211         // ---------------------------------------------------------------
1212         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1213                 return 1;
1214
1215         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1216
1217         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1218                                      UpperWordSwap(korg1212->dma_dsp.addr),
1219                                      0, 0, 0);
1220         if (rc)
1221                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1222                                    rc, stateName[korg1212->cardState]);
1223
1224         korg1212->dsp_is_loaded = 0;
1225         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1226         if (! korg1212->dsp_is_loaded )
1227                 return -EBUSY; /* timeout */
1228
1229         snd_korg1212_OnDSPDownloadComplete(korg1212);
1230
1231         return 0;
1232 }
1233
1234 static const struct snd_pcm_hardware snd_korg1212_playback_info =
1235 {
1236         .info =              (SNDRV_PCM_INFO_MMAP |
1237                               SNDRV_PCM_INFO_MMAP_VALID |
1238                               SNDRV_PCM_INFO_INTERLEAVED |
1239                               SNDRV_PCM_INFO_BATCH),
1240         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1241         .rates =              (SNDRV_PCM_RATE_44100 |
1242                               SNDRV_PCM_RATE_48000),
1243         .rate_min =           44100,
1244         .rate_max =           48000,
1245         .channels_min =       K1212_MIN_CHANNELS,
1246         .channels_max =       K1212_MAX_CHANNELS,
1247         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1248         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1249         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1250         .periods_min =        K1212_PERIODS,
1251         .periods_max =        K1212_PERIODS,
1252         .fifo_size =          0,
1253 };
1254
1255 static const struct snd_pcm_hardware snd_korg1212_capture_info =
1256 {
1257         .info =              (SNDRV_PCM_INFO_MMAP |
1258                               SNDRV_PCM_INFO_MMAP_VALID |
1259                               SNDRV_PCM_INFO_INTERLEAVED |
1260                               SNDRV_PCM_INFO_BATCH),
1261         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1262         .rates =              (SNDRV_PCM_RATE_44100 |
1263                               SNDRV_PCM_RATE_48000),
1264         .rate_min =           44100,
1265         .rate_max =           48000,
1266         .channels_min =       K1212_MIN_CHANNELS,
1267         .channels_max =       K1212_MAX_CHANNELS,
1268         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1269         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1270         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1271         .periods_min =        K1212_PERIODS,
1272         .periods_max =        K1212_PERIODS,
1273         .fifo_size =          0,
1274 };
1275
1276 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1277 {
1278         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1279         int i;
1280
1281         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1282                                    pos, offset, size, count);
1283         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1284                 return -EINVAL;
1285
1286         for (i=0; i < count; i++) {
1287 #if K1212_DEBUG_LEVEL > 0
1288                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1289                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1290                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1291                                dst, i);
1292                         return -EFAULT;
1293                 }
1294 #endif
1295                 memset((void*) dst + offset, 0, size);
1296                 dst++;
1297         }
1298
1299         return 0;
1300 }
1301
1302 static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1303                                 void __user *dst, int pos, int count,
1304                                 bool in_kernel)
1305 {
1306         struct snd_pcm_runtime *runtime = substream->runtime;
1307         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1308         struct KorgAudioFrame *src;
1309         int i, size;
1310
1311         pos = bytes_to_frames(runtime, pos);
1312         count = bytes_to_frames(runtime, count);
1313         size = korg1212->channels * 2;
1314         src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1315         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1316                                    pos, size, count);
1317         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1318                 return -EINVAL;
1319
1320         for (i=0; i < count; i++) {
1321 #if K1212_DEBUG_LEVEL > 0
1322                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1323                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1324                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1325                         return -EFAULT;
1326                 }
1327 #endif
1328                 if (in_kernel)
1329                         memcpy((void *)dst, src, size);
1330                 else if (copy_to_user(dst, src, size))
1331                         return -EFAULT;
1332                 src++;
1333                 dst += size;
1334         }
1335
1336         return 0;
1337 }
1338
1339 static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1340                                   void __user *src, int pos, int count,
1341                                   bool in_kernel)
1342 {
1343         struct snd_pcm_runtime *runtime = substream->runtime;
1344         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1345         struct KorgAudioFrame *dst;
1346         int i, size;
1347
1348         pos = bytes_to_frames(runtime, pos);
1349         count = bytes_to_frames(runtime, count);
1350         size = korg1212->channels * 2;
1351         dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1352
1353         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1354                                    pos, size, count);
1355
1356         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1357                 return -EINVAL;
1358
1359         for (i=0; i < count; i++) {
1360 #if K1212_DEBUG_LEVEL > 0
1361                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1362                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1363                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1364                         return -EFAULT;
1365                 }
1366 #endif
1367                 if (in_kernel)
1368                         memcpy((void *)dst, src, size);
1369                 else if (copy_from_user(dst, src, size))
1370                         return -EFAULT;
1371                 dst++;
1372                 src += size;
1373         }
1374
1375         return 0;
1376 }
1377
1378 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1379 {
1380         struct snd_korg1212 *korg1212 = pcm->private_data;
1381
1382         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1383                            stateName[korg1212->cardState]);
1384
1385         korg1212->pcm = NULL;
1386 }
1387
1388 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1389 {
1390         unsigned long flags;
1391         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1392         struct snd_pcm_runtime *runtime = substream->runtime;
1393
1394         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1395                            stateName[korg1212->cardState]);
1396
1397         snd_korg1212_OpenCard(korg1212);
1398
1399         runtime->hw = snd_korg1212_playback_info;
1400         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1401
1402         spin_lock_irqsave(&korg1212->lock, flags);
1403
1404         korg1212->playback_substream = substream;
1405         korg1212->playback_pid = current->pid;
1406         korg1212->periodsize = K1212_PERIODS;
1407         korg1212->channels = K1212_CHANNELS;
1408         korg1212->errorcnt = 0;
1409
1410         spin_unlock_irqrestore(&korg1212->lock, flags);
1411
1412         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1413                                      kPlayBufferFrames);
1414
1415         return 0;
1416 }
1417
1418
1419 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1420 {
1421         unsigned long flags;
1422         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1423         struct snd_pcm_runtime *runtime = substream->runtime;
1424
1425         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1426                            stateName[korg1212->cardState]);
1427
1428         snd_korg1212_OpenCard(korg1212);
1429
1430         runtime->hw = snd_korg1212_capture_info;
1431         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1432
1433         spin_lock_irqsave(&korg1212->lock, flags);
1434
1435         korg1212->capture_substream = substream;
1436         korg1212->capture_pid = current->pid;
1437         korg1212->periodsize = K1212_PERIODS;
1438         korg1212->channels = K1212_CHANNELS;
1439
1440         spin_unlock_irqrestore(&korg1212->lock, flags);
1441
1442         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1443                                      kPlayBufferFrames);
1444         return 0;
1445 }
1446
1447 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1448 {
1449         unsigned long flags;
1450         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1451
1452         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1453                            stateName[korg1212->cardState]);
1454
1455         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1456
1457         spin_lock_irqsave(&korg1212->lock, flags);
1458
1459         korg1212->playback_pid = -1;
1460         korg1212->playback_substream = NULL;
1461         korg1212->periodsize = 0;
1462
1463         spin_unlock_irqrestore(&korg1212->lock, flags);
1464
1465         snd_korg1212_CloseCard(korg1212);
1466         return 0;
1467 }
1468
1469 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1470 {
1471         unsigned long flags;
1472         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1473
1474         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1475                            stateName[korg1212->cardState]);
1476
1477         spin_lock_irqsave(&korg1212->lock, flags);
1478
1479         korg1212->capture_pid = -1;
1480         korg1212->capture_substream = NULL;
1481         korg1212->periodsize = 0;
1482
1483         spin_unlock_irqrestore(&korg1212->lock, flags);
1484
1485         snd_korg1212_CloseCard(korg1212);
1486         return 0;
1487 }
1488
1489 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1490                              unsigned int cmd, void *arg)
1491 {
1492         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1493
1494         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1495                 struct snd_pcm_channel_info *info = arg;
1496                 info->offset = 0;
1497                 info->first = info->channel * 16;
1498                 info->step = 256;
1499                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1500                 return 0;
1501         }
1502
1503         return snd_pcm_lib_ioctl(substream, cmd, arg);
1504 }
1505
1506 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1507                              struct snd_pcm_hw_params *params)
1508 {
1509         unsigned long flags;
1510         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1511         int err;
1512         pid_t this_pid;
1513         pid_t other_pid;
1514
1515         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1516                            stateName[korg1212->cardState]);
1517
1518         spin_lock_irqsave(&korg1212->lock, flags);
1519
1520         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1521                 this_pid = korg1212->playback_pid;
1522                 other_pid = korg1212->capture_pid;
1523         } else {
1524                 this_pid = korg1212->capture_pid;
1525                 other_pid = korg1212->playback_pid;
1526         }
1527
1528         if ((other_pid > 0) && (this_pid != other_pid)) {
1529
1530                 /* The other stream is open, and not by the same
1531                    task as this one. Make sure that the parameters
1532                    that matter are the same.
1533                  */
1534
1535                 if ((int)params_rate(params) != korg1212->clkRate) {
1536                         spin_unlock_irqrestore(&korg1212->lock, flags);
1537                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1538                         return -EBUSY;
1539                 }
1540
1541                 spin_unlock_irqrestore(&korg1212->lock, flags);
1542                 return 0;
1543         }
1544
1545         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1546                 spin_unlock_irqrestore(&korg1212->lock, flags);
1547                 return err;
1548         }
1549
1550         korg1212->channels = params_channels(params);
1551         korg1212->periodsize = K1212_PERIOD_BYTES;
1552
1553         spin_unlock_irqrestore(&korg1212->lock, flags);
1554
1555         return 0;
1556 }
1557
1558 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1559 {
1560         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1561         int rc;
1562
1563         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1564                            stateName[korg1212->cardState]);
1565
1566         spin_lock_irq(&korg1212->lock);
1567
1568         /* FIXME: we should wait for ack! */
1569         if (korg1212->stop_pending_cnt > 0) {
1570                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1571                                    stateName[korg1212->cardState]);
1572                 spin_unlock_irq(&korg1212->lock);
1573                 return -EAGAIN;
1574                 /*
1575                 korg1212->sharedBufferPtr->cardCommand = 0;
1576                 del_timer(&korg1212->timer);
1577                 korg1212->stop_pending_cnt = 0;
1578                 */
1579         }
1580
1581         rc = snd_korg1212_SetupForPlay(korg1212);
1582
1583         korg1212->currentBuffer = 0;
1584
1585         spin_unlock_irq(&korg1212->lock);
1586
1587         return rc ? -EINVAL : 0;
1588 }
1589
1590 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1591                            int cmd)
1592 {
1593         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1594         int rc;
1595
1596         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1597                            stateName[korg1212->cardState], cmd);
1598
1599         spin_lock(&korg1212->lock);
1600         switch (cmd) {
1601                 case SNDRV_PCM_TRIGGER_START:
1602 /*
1603                         if (korg1212->running) {
1604                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1605                                 break;
1606                         }
1607 */
1608                         korg1212->running++;
1609                         rc = snd_korg1212_TriggerPlay(korg1212);
1610                         break;
1611
1612                 case SNDRV_PCM_TRIGGER_STOP:
1613 /*
1614                         if (!korg1212->running) {
1615                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1616                                 break;
1617                         }
1618 */
1619                         korg1212->running--;
1620                         rc = snd_korg1212_StopPlay(korg1212);
1621                         break;
1622
1623                 default:
1624                         rc = 1;
1625                         break;
1626         }
1627         spin_unlock(&korg1212->lock);
1628         return rc ? -EINVAL : 0;
1629 }
1630
1631 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1632 {
1633         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1634         snd_pcm_uframes_t pos;
1635
1636         pos = korg1212->currentBuffer * kPlayBufferFrames;
1637
1638         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1639                                    stateName[korg1212->cardState], pos);
1640
1641         return pos;
1642 }
1643
1644 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1645 {
1646         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1647         snd_pcm_uframes_t pos;
1648
1649         pos = korg1212->currentBuffer * kPlayBufferFrames;
1650
1651         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1652                                    stateName[korg1212->cardState], pos);
1653
1654         return pos;
1655 }
1656
1657 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1658                                       int channel, unsigned long pos,
1659                                       void __user *src, unsigned long count)
1660 {
1661         return snd_korg1212_copy_from(substream, src, pos, count, false);
1662 }
1663
1664 static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1665                                       int channel, unsigned long pos,
1666                                       void *src, unsigned long count)
1667 {
1668         return snd_korg1212_copy_from(substream, (void __user *)src,
1669                                       pos, count, true);
1670 }
1671
1672 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1673                            int channel, /* not used (interleaved data) */
1674                            unsigned long pos,
1675                            unsigned long count)
1676 {
1677         struct snd_pcm_runtime *runtime = substream->runtime;
1678         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1679
1680         return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1681                                     bytes_to_frames(runtime, count),
1682                                     0, korg1212->channels * 2);
1683 }
1684
1685 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1686                                      int channel, unsigned long pos,
1687                                      void __user *dst, unsigned long count)
1688 {
1689         return snd_korg1212_copy_to(substream, dst, pos, count, false);
1690 }
1691
1692 static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1693                                      int channel, unsigned long pos,
1694                                      void *dst, unsigned long count)
1695 {
1696         return snd_korg1212_copy_to(substream, (void __user *)dst,
1697                                     pos, count, true);
1698 }
1699
1700 static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1701         .open =         snd_korg1212_playback_open,
1702         .close =        snd_korg1212_playback_close,
1703         .ioctl =        snd_korg1212_ioctl,
1704         .hw_params =    snd_korg1212_hw_params,
1705         .prepare =      snd_korg1212_prepare,
1706         .trigger =      snd_korg1212_trigger,
1707         .pointer =      snd_korg1212_playback_pointer,
1708         .copy_user =    snd_korg1212_playback_copy,
1709         .copy_kernel =  snd_korg1212_playback_copy_kernel,
1710         .fill_silence = snd_korg1212_playback_silence,
1711 };
1712
1713 static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1714         .open =         snd_korg1212_capture_open,
1715         .close =        snd_korg1212_capture_close,
1716         .ioctl =        snd_korg1212_ioctl,
1717         .hw_params =    snd_korg1212_hw_params,
1718         .prepare =      snd_korg1212_prepare,
1719         .trigger =      snd_korg1212_trigger,
1720         .pointer =      snd_korg1212_capture_pointer,
1721         .copy_user =    snd_korg1212_capture_copy,
1722         .copy_kernel =  snd_korg1212_capture_copy_kernel,
1723 };
1724
1725 /*
1726  * Control Interface
1727  */
1728
1729 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1730                                            struct snd_ctl_elem_info *uinfo)
1731 {
1732         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1733         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1734         return 0;
1735 }
1736
1737 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1738                                           struct snd_ctl_elem_value *u)
1739 {
1740         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1741         int i = kcontrol->private_value;
1742
1743         spin_lock_irq(&korg1212->lock);
1744
1745         u->value.integer.value[0] = korg1212->volumePhase[i];
1746
1747         if (i >= 8)
1748                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1749
1750         spin_unlock_irq(&korg1212->lock);
1751
1752         return 0;
1753 }
1754
1755 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1756                                           struct snd_ctl_elem_value *u)
1757 {
1758         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1759         int change = 0;
1760         int i, val;
1761
1762         spin_lock_irq(&korg1212->lock);
1763
1764         i = kcontrol->private_value;
1765
1766         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1767
1768         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1769
1770         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1771                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1772                 korg1212->sharedBufferPtr->volumeData[i] = val;
1773                 change = 1;
1774         }
1775
1776         if (i >= 8) {
1777                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1778
1779                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1780
1781                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1782                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1783                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1784                         change = 1;
1785                 }
1786         }
1787
1788         spin_unlock_irq(&korg1212->lock);
1789
1790         return change;
1791 }
1792
1793 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1794                                             struct snd_ctl_elem_info *uinfo)
1795 {
1796         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1797         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1798         uinfo->value.integer.min = k1212MinVolume;
1799         uinfo->value.integer.max = k1212MaxVolume;
1800         return 0;
1801 }
1802
1803 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1804                                            struct snd_ctl_elem_value *u)
1805 {
1806         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807         int i;
1808
1809         spin_lock_irq(&korg1212->lock);
1810
1811         i = kcontrol->private_value;
1812         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1813
1814         if (i >= 8)
1815                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1816
1817         spin_unlock_irq(&korg1212->lock);
1818
1819         return 0;
1820 }
1821
1822 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1823                                            struct snd_ctl_elem_value *u)
1824 {
1825         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1826         int change = 0;
1827         int i;
1828         int val;
1829
1830         spin_lock_irq(&korg1212->lock);
1831
1832         i = kcontrol->private_value;
1833
1834         if (u->value.integer.value[0] >= k1212MinVolume &&
1835             u->value.integer.value[0] >= k1212MaxVolume &&
1836             u->value.integer.value[0] !=
1837             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1838                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1839                 val *= u->value.integer.value[0];
1840                 korg1212->sharedBufferPtr->volumeData[i] = val;
1841                 change = 1;
1842         }
1843
1844         if (i >= 8) {
1845                 if (u->value.integer.value[1] >= k1212MinVolume &&
1846                     u->value.integer.value[1] >= k1212MaxVolume &&
1847                     u->value.integer.value[1] !=
1848                     abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1849                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1850                         val *= u->value.integer.value[1];
1851                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1852                         change = 1;
1853                 }
1854         }
1855
1856         spin_unlock_irq(&korg1212->lock);
1857
1858         return change;
1859 }
1860
1861 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1862                                            struct snd_ctl_elem_info *uinfo)
1863 {
1864         return snd_ctl_enum_info(uinfo,
1865                                  (kcontrol->private_value >= 8) ? 2 : 1,
1866                                  kAudioChannels, channelName);
1867 }
1868
1869 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1870                                           struct snd_ctl_elem_value *u)
1871 {
1872         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1873         int i;
1874
1875         spin_lock_irq(&korg1212->lock);
1876
1877         i = kcontrol->private_value;
1878         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1879
1880         if (i >= 8)
1881                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1882
1883         spin_unlock_irq(&korg1212->lock);
1884
1885         return 0;
1886 }
1887
1888 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1889                                           struct snd_ctl_elem_value *u)
1890 {
1891         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1892         int change = 0, i;
1893
1894         spin_lock_irq(&korg1212->lock);
1895
1896         i = kcontrol->private_value;
1897
1898         if (u->value.enumerated.item[0] < kAudioChannels &&
1899             u->value.enumerated.item[0] !=
1900             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1901                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1902                 change = 1;
1903         }
1904
1905         if (i >= 8) {
1906                 if (u->value.enumerated.item[1] < kAudioChannels &&
1907                     u->value.enumerated.item[1] !=
1908                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1909                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1910                         change = 1;
1911                 }
1912         }
1913
1914         spin_unlock_irq(&korg1212->lock);
1915
1916         return change;
1917 }
1918
1919 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1920                                      struct snd_ctl_elem_info *uinfo)
1921 {
1922         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1923         uinfo->count = 2;
1924         uinfo->value.integer.min = k1212MaxADCSens;
1925         uinfo->value.integer.max = k1212MinADCSens;
1926         return 0;
1927 }
1928
1929 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1930                                     struct snd_ctl_elem_value *u)
1931 {
1932         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1933
1934         spin_lock_irq(&korg1212->lock);
1935
1936         u->value.integer.value[0] = korg1212->leftADCInSens;
1937         u->value.integer.value[1] = korg1212->rightADCInSens;
1938
1939         spin_unlock_irq(&korg1212->lock);
1940
1941         return 0;
1942 }
1943
1944 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1945                                     struct snd_ctl_elem_value *u)
1946 {
1947         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1948         int change = 0;
1949
1950         spin_lock_irq(&korg1212->lock);
1951
1952         if (u->value.integer.value[0] >= k1212MinADCSens &&
1953             u->value.integer.value[0] <= k1212MaxADCSens &&
1954             u->value.integer.value[0] != korg1212->leftADCInSens) {
1955                 korg1212->leftADCInSens = u->value.integer.value[0];
1956                 change = 1;
1957         }
1958         if (u->value.integer.value[1] >= k1212MinADCSens &&
1959             u->value.integer.value[1] <= k1212MaxADCSens &&
1960             u->value.integer.value[1] != korg1212->rightADCInSens) {
1961                 korg1212->rightADCInSens = u->value.integer.value[1];
1962                 change = 1;
1963         }
1964
1965         spin_unlock_irq(&korg1212->lock);
1966
1967         if (change)
1968                 snd_korg1212_WriteADCSensitivity(korg1212);
1969
1970         return change;
1971 }
1972
1973 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1974                                           struct snd_ctl_elem_info *uinfo)
1975 {
1976         return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1977 }
1978
1979 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980                                          struct snd_ctl_elem_value *ucontrol)
1981 {
1982         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1983
1984         spin_lock_irq(&korg1212->lock);
1985
1986         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1987
1988         spin_unlock_irq(&korg1212->lock);
1989         return 0;
1990 }
1991
1992 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993                                          struct snd_ctl_elem_value *ucontrol)
1994 {
1995         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996         unsigned int val;
1997         int change;
1998
1999         val = ucontrol->value.enumerated.item[0] % 3;
2000         spin_lock_irq(&korg1212->lock);
2001         change = val != korg1212->clkSource;
2002         snd_korg1212_SetClockSource(korg1212, val);
2003         spin_unlock_irq(&korg1212->lock);
2004         return change;
2005 }
2006
2007 #define MON_MIXER(ord,c_name)                                                                   \
2008         {                                                                                       \
2009                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2010                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2011                 .name =         c_name " Monitor Volume",                                       \
2012                 .info =         snd_korg1212_control_volume_info,                               \
2013                 .get =          snd_korg1212_control_volume_get,                                \
2014                 .put =          snd_korg1212_control_volume_put,                                \
2015                 .private_value = ord,                                                           \
2016         },                                                                                      \
2017         {                                                                                       \
2018                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2019                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2020                 .name =         c_name " Monitor Route",                                        \
2021                 .info =         snd_korg1212_control_route_info,                                \
2022                 .get =          snd_korg1212_control_route_get,                                 \
2023                 .put =          snd_korg1212_control_route_put,                                 \
2024                 .private_value = ord,                                                           \
2025         },                                                                                      \
2026         {                                                                                       \
2027                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2028                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2029                 .name =         c_name " Monitor Phase Invert",                                 \
2030                 .info =         snd_korg1212_control_phase_info,                                \
2031                 .get =          snd_korg1212_control_phase_get,                                 \
2032                 .put =          snd_korg1212_control_phase_put,                                 \
2033                 .private_value = ord,                                                           \
2034         }
2035
2036 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2037         MON_MIXER(8, "Analog"),
2038         MON_MIXER(10, "SPDIF"),
2039         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2040         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2041         {
2042                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2043                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2044                 .name =         "Sync Source",
2045                 .info =         snd_korg1212_control_sync_info,
2046                 .get =          snd_korg1212_control_sync_get,
2047                 .put =          snd_korg1212_control_sync_put,
2048         },
2049         {
2050                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2051                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2052                 .name =         "ADC Attenuation",
2053                 .info =         snd_korg1212_control_info,
2054                 .get =          snd_korg1212_control_get,
2055                 .put =          snd_korg1212_control_put,
2056         }
2057 };
2058
2059 /*
2060  * proc interface
2061  */
2062
2063 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064                                    struct snd_info_buffer *buffer)
2065 {
2066         int n;
2067         struct snd_korg1212 *korg1212 = entry->private_data;
2068
2069         snd_iprintf(buffer, korg1212->card->longname);
2070         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2071         snd_iprintf(buffer, "\nGeneral settings\n");
2072         snd_iprintf(buffer, "    period size: %zd bytes\n", K1212_PERIOD_BYTES);
2073         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2074         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2075         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2076         snd_iprintf(buffer, "    Volume Info:\n");
2077         for (n=0; n<kAudioChannels; n++)
2078                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2079                                     channelName[n],
2080                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2081                                     korg1212->sharedBufferPtr->volumeData[n]);
2082         snd_iprintf(buffer, "\nGeneral status\n");
2083         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2084         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2085         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2086         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2087         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2088         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2089 }
2090
2091 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2092 {
2093         struct snd_info_entry *entry;
2094
2095         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096                 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2097 }
2098
2099 static int
2100 snd_korg1212_free(struct snd_korg1212 *korg1212)
2101 {
2102         snd_korg1212_TurnOffIdleMonitor(korg1212);
2103
2104         if (korg1212->irq >= 0) {
2105                 snd_korg1212_DisableCardInterrupts(korg1212);
2106                 free_irq(korg1212->irq, korg1212);
2107                 korg1212->irq = -1;
2108         }
2109
2110         if (korg1212->iobase != NULL) {
2111                 iounmap(korg1212->iobase);
2112                 korg1212->iobase = NULL;
2113         }
2114
2115         pci_release_regions(korg1212->pci);
2116
2117         // ----------------------------------------------------
2118         // free up memory resources used for the DSP download.
2119         // ----------------------------------------------------
2120         if (korg1212->dma_dsp.area) {
2121                 snd_dma_free_pages(&korg1212->dma_dsp);
2122                 korg1212->dma_dsp.area = NULL;
2123         }
2124
2125 #ifndef K1212_LARGEALLOC
2126
2127         // ------------------------------------------------------
2128         // free up memory resources used for the Play/Rec Buffers
2129         // ------------------------------------------------------
2130         if (korg1212->dma_play.area) {
2131                 snd_dma_free_pages(&korg1212->dma_play);
2132                 korg1212->dma_play.area = NULL;
2133         }
2134
2135         if (korg1212->dma_rec.area) {
2136                 snd_dma_free_pages(&korg1212->dma_rec);
2137                 korg1212->dma_rec.area = NULL;
2138         }
2139
2140 #endif
2141
2142         // ----------------------------------------------------
2143         // free up memory resources used for the Shared Buffers
2144         // ----------------------------------------------------
2145         if (korg1212->dma_shared.area) {
2146                 snd_dma_free_pages(&korg1212->dma_shared);
2147                 korg1212->dma_shared.area = NULL;
2148         }
2149
2150         pci_disable_device(korg1212->pci);
2151         kfree(korg1212);
2152         return 0;
2153 }
2154
2155 static int snd_korg1212_dev_free(struct snd_device *device)
2156 {
2157         struct snd_korg1212 *korg1212 = device->device_data;
2158         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2159         return snd_korg1212_free(korg1212);
2160 }
2161
2162 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2163                                struct snd_korg1212 **rchip)
2164
2165 {
2166         int err, rc;
2167         unsigned int i;
2168         unsigned ioport_size, iomem_size, iomem2_size;
2169         struct snd_korg1212 * korg1212;
2170         const struct firmware *dsp_code;
2171
2172         static struct snd_device_ops ops = {
2173                 .dev_free = snd_korg1212_dev_free,
2174         };
2175
2176         * rchip = NULL;
2177         if ((err = pci_enable_device(pci)) < 0)
2178                 return err;
2179
2180         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2181         if (korg1212 == NULL) {
2182                 pci_disable_device(pci);
2183                 return -ENOMEM;
2184         }
2185
2186         korg1212->card = card;
2187         korg1212->pci = pci;
2188
2189         init_waitqueue_head(&korg1212->wait);
2190         spin_lock_init(&korg1212->lock);
2191         mutex_init(&korg1212->open_mutex);
2192         timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2193
2194         korg1212->irq = -1;
2195         korg1212->clkSource = K1212_CLKIDX_Local;
2196         korg1212->clkRate = 44100;
2197         korg1212->inIRQ = 0;
2198         korg1212->running = 0;
2199         korg1212->opencnt = 0;
2200         korg1212->playcnt = 0;
2201         korg1212->setcnt = 0;
2202         korg1212->totalerrorcnt = 0;
2203         korg1212->playback_pid = -1;
2204         korg1212->capture_pid = -1;
2205         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2206         korg1212->idleMonitorOn = 0;
2207         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2208         korg1212->leftADCInSens = k1212MaxADCSens;
2209         korg1212->rightADCInSens = k1212MaxADCSens;
2210
2211         for (i=0; i<kAudioChannels; i++)
2212                 korg1212->volumePhase[i] = 0;
2213
2214         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2215                 kfree(korg1212);
2216                 pci_disable_device(pci);
2217                 return err;
2218         }
2219
2220         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2221         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2222         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2223
2224         iomem_size = pci_resource_len(korg1212->pci, 0);
2225         ioport_size = pci_resource_len(korg1212->pci, 1);
2226         iomem2_size = pci_resource_len(korg1212->pci, 2);
2227
2228         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2229                    "    iomem = 0x%lx (%d)\n"
2230                    "    ioport  = 0x%lx (%d)\n"
2231                    "    iomem = 0x%lx (%d)\n"
2232                    "    [%s]\n",
2233                    korg1212->iomem, iomem_size,
2234                    korg1212->ioport, ioport_size,
2235                    korg1212->iomem2, iomem2_size,
2236                    stateName[korg1212->cardState]);
2237
2238         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2239                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2240                            korg1212->iomem + iomem_size - 1);
2241                 snd_korg1212_free(korg1212);
2242                 return -EBUSY;
2243         }
2244
2245         err = request_irq(pci->irq, snd_korg1212_interrupt,
2246                           IRQF_SHARED,
2247                           KBUILD_MODNAME, korg1212);
2248
2249         if (err) {
2250                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2251                 snd_korg1212_free(korg1212);
2252                 return -EBUSY;
2253         }
2254
2255         korg1212->irq = pci->irq;
2256
2257         pci_set_master(korg1212->pci);
2258
2259         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2260         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2261         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2262         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2263         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2264         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2265         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2266         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2267         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2268         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2269
2270         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2271                    "    Status register = 0x%p\n"
2272                    "    OutDoorbell     = 0x%p\n"
2273                    "    InDoorbell      = 0x%p\n"
2274                    "    Mailbox0        = 0x%p\n"
2275                    "    Mailbox1        = 0x%p\n"
2276                    "    Mailbox2        = 0x%p\n"
2277                    "    Mailbox3        = 0x%p\n"
2278                    "    ControlReg      = 0x%p\n"
2279                    "    SensReg         = 0x%p\n"
2280                    "    IDReg           = 0x%p\n"
2281                    "    [%s]\n",
2282                    korg1212->statusRegPtr,
2283                    korg1212->outDoorbellPtr,
2284                    korg1212->inDoorbellPtr,
2285                    korg1212->mailbox0Ptr,
2286                    korg1212->mailbox1Ptr,
2287                    korg1212->mailbox2Ptr,
2288                    korg1212->mailbox3Ptr,
2289                    korg1212->controlRegPtr,
2290                    korg1212->sensRegPtr,
2291                    korg1212->idRegPtr,
2292                    stateName[korg1212->cardState]);
2293
2294         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2295                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2296                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2297                 snd_korg1212_free(korg1212);
2298                 return -ENOMEM;
2299         }
2300         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2301         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2302
2303         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2304
2305 #ifndef K1212_LARGEALLOC
2306
2307         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2308
2309         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2310                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2311                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2312                 snd_korg1212_free(korg1212);
2313                 return -ENOMEM;
2314         }
2315         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2316         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2317
2318         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2319                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2320
2321         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2322                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2323                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2324                 snd_korg1212_free(korg1212);
2325                 return -ENOMEM;
2326         }
2327         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2328         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2329
2330         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2331                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2332
2333 #else // K1212_LARGEALLOC
2334
2335         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2336         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2337         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2338         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2339
2340 #endif // K1212_LARGEALLOC
2341
2342         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2343                 offsetof(struct KorgSharedBuffer, volumeData);
2344         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2345                 offsetof(struct KorgSharedBuffer, routeData);
2346         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2347                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2348
2349         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2350         if (err < 0) {
2351                 release_firmware(dsp_code);
2352                 snd_printk(KERN_ERR "firmware not available\n");
2353                 snd_korg1212_free(korg1212);
2354                 return err;
2355         }
2356
2357         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2358                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2359                 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2360                 snd_korg1212_free(korg1212);
2361                 release_firmware(dsp_code);
2362                 return -ENOMEM;
2363         }
2364
2365         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2366                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2367                    stateName[korg1212->cardState]);
2368
2369         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2370
2371         release_firmware(dsp_code);
2372
2373         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2374
2375         if (rc)
2376                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2377
2378         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2379                 snd_korg1212_free(korg1212);
2380                 return err;
2381         }
2382
2383         snd_korg1212_EnableCardInterrupts(korg1212);
2384
2385         mdelay(CARD_BOOT_DELAY_IN_MS);
2386
2387         if (snd_korg1212_downloadDSPCode(korg1212))
2388                 return -EBUSY;
2389
2390         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2391                "PlayDataPhy = %08x L[%08x]\n"
2392                "korg1212: RecDataPhy = %08x L[%08x], "
2393                "VolumeTablePhy = %08x L[%08x]\n"
2394                "korg1212: RoutingTablePhy = %08x L[%08x], "
2395                "AdatTimeCodePhy = %08x L[%08x]\n",
2396                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2397                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2398                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2399                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2400                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2401                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2402
2403         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2404                 return err;
2405
2406         korg1212->pcm->private_data = korg1212;
2407         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2408         strcpy(korg1212->pcm->name, "korg1212");
2409
2410         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2411
2412         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2413
2414         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2415
2416         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2417                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2418                 if (err < 0)
2419                         return err;
2420         }
2421
2422         snd_korg1212_proc_init(korg1212);
2423
2424         * rchip = korg1212;
2425         return 0;
2426
2427 }
2428
2429 /*
2430  * Card initialisation
2431  */
2432
2433 static int
2434 snd_korg1212_probe(struct pci_dev *pci,
2435                 const struct pci_device_id *pci_id)
2436 {
2437         static int dev;
2438         struct snd_korg1212 *korg1212;
2439         struct snd_card *card;
2440         int err;
2441
2442         if (dev >= SNDRV_CARDS) {
2443                 return -ENODEV;
2444         }
2445         if (!enable[dev]) {
2446                 dev++;
2447                 return -ENOENT;
2448         }
2449         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2450                            0, &card);
2451         if (err < 0)
2452                 return err;
2453
2454         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2455                 snd_card_free(card);
2456                 return err;
2457         }
2458
2459         strcpy(card->driver, "korg1212");
2460         strcpy(card->shortname, "korg1212");
2461         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2462                 korg1212->iomem, korg1212->irq);
2463
2464         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2465
2466         if ((err = snd_card_register(card)) < 0) {
2467                 snd_card_free(card);
2468                 return err;
2469         }
2470         pci_set_drvdata(pci, card);
2471         dev++;
2472         return 0;
2473 }
2474
2475 static void snd_korg1212_remove(struct pci_dev *pci)
2476 {
2477         snd_card_free(pci_get_drvdata(pci));
2478 }
2479
2480 static struct pci_driver korg1212_driver = {
2481         .name = KBUILD_MODNAME,
2482         .id_table = snd_korg1212_ids,
2483         .probe = snd_korg1212_probe,
2484         .remove = snd_korg1212_remove,
2485 };
2486
2487 module_pci_driver(korg1212_driver);