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 <sound/driver.h>
  23 #include <linux/delay.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/pci.h>
  27 #include <linux/slab.h>
  28 #include <linux/wait.h>
  29 #include <linux/moduleparam.h>
  30
  31 #include <sound/core.h>
  32 #include <sound/info.h>
  33 #include <sound/control.h>
  34 #include <sound/pcm.h>
  35 #include <sound/pcm_params.h>
  36 #include <sound/initval.h>
  37
  38 #include <asm/io.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 COMMAND_ACK_DELAY    13        // number of RTC ticks to wait for an acknowledgement
 165                                         //    from the card after sending a command.
 166 #define INTERCOMMAND_DELAY   40
 167 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 168                                        //    to send a command before giving up.
 169 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 170                                         //    the card.
 171 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 172
 173 #define CARD_BOOT_DELAY_IN_MS  10
 174 #define CARD_BOOT_TIMEOUT      10
 175 #define DSP_BOOT_DELAY_IN_MS   200
 176
 177 #define kNumBuffers             8
 178 #define k1212MaxCards           4
 179 #define k1212NumWaveDevices     6
 180 #define k16BitChannels          10
 181 #define k32BitChannels          2
 182 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 183 #define kPlayBufferFrames       1024
 184
 185 #define K1212_ANALOG_CHANNELS   2
 186 #define K1212_SPDIF_CHANNELS    2
 187 #define K1212_ADAT_CHANNELS     8
 188 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 189 #define K1212_MIN_CHANNELS      1
 190 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 191 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 192 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 193 #define K1212_PERIODS           (kNumBuffers)
 194 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 195 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 196 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 197 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 198 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 199 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 200
 201 #define k1212MinADCSens     0x7f
 202 #define k1212MaxADCSens     0x00
 203 #define k1212MaxVolume      0x7fff
 204 #define k1212MaxWaveVolume  0xffff
 205 #define k1212MinVolume      0x0000
 206 #define k1212MaxVolInverted 0x8000
 207
 208 // -----------------------------------------------------------------
 209 // the following bits are used for controlling interrupts in the
 210 // interrupt control/status reg
 211 // -----------------------------------------------------------------
 212 #define  PCI_INT_ENABLE_BIT               0x00000100
 213 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 214 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 215 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 216 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 217
 218 // -----------------------------------------------------------------
 219 // the following bits are defined for the PCI command register
 220 // -----------------------------------------------------------------
 221 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 222 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 223 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 224
 225 // -----------------------------------------------------------------
 226 // the following bits are defined for the PCI status register
 227 // -----------------------------------------------------------------
 228 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 229 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 230 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 231 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 232 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 233
 234 // ------------------------------------------------------------------------
 235 // the following constants are used in setting the 1212 I/O card's input
 236 // sensitivity.
 237 // ------------------------------------------------------------------------
 238 #define  SET_SENS_LOCALINIT_BITPOS        15
 239 #define  SET_SENS_DATA_BITPOS             10
 240 #define  SET_SENS_CLOCK_BITPOS            8
 241 #define  SET_SENS_LOADSHIFT_BITPOS        0
 242
 243 #define  SET_SENS_LEFTCHANID              0x00
 244 #define  SET_SENS_RIGHTCHANID             0x01
 245
 246 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 247
 248 // --------------------------------------------------------------------------
 249 // WaitRTCTicks
 250 //
 251 //    This function waits the specified number of real time clock ticks.
 252 //    According to the DDK, each tick is ~0.8 microseconds.
 253 //    The defines following the function declaration can be used for the
 254 //    numTicksToWait parameter.
 255 // --------------------------------------------------------------------------
 256 #define ONE_RTC_TICK         1
 257 #define SENSCLKPULSE_WIDTH   4
 258 #define LOADSHIFT_DELAY      4
 259 #define INTERCOMMAND_DELAY  40
 260 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 261                                        //    the command register.  (could be up to 180 us)
 262 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 263                                        //    from the card after sending a command.
 264
 265 #include "korg1212-firmware.h"
 266
 267 enum ClockSourceIndex {
 268    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 269    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 270    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 271    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 272    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 273    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 274    K1212_CLKIDX_Invalid             // used to check validity of the index
 275 };
 276
 277 enum ClockSourceType {
 278    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 279    K1212_CLKIDX_Word,        // selects source as S/PDIF
 280    K1212_CLKIDX_Local        // selects source as local clock
 281 };
 282
 283 struct KorgAudioFrame {
 284         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 285         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 286         u32 timeCodeVal; /* holds the ADAT timecode value */
 287 };
 288
 289 struct KorgAudioBuffer {
 290         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 291 };
 292
 293 struct KorgSharedBuffer {
 294 #ifdef K1212_LARGEALLOC
 295    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 296    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 297 #endif
 298    short             volumeData[kAudioChannels];
 299    u32               cardCommand;
 300    u16               routeData [kAudioChannels];
 301    u32               AdatTimeCode;                 // ADAT timecode value
 302 };
 303
 304 struct SensBits {
 305    union {
 306       struct {
 307          unsigned int leftChanVal:8;
 308          unsigned int leftChanId:8;
 309       } v;
 310       u16  leftSensBits;
 311    } l;
 312    union {
 313       struct {
 314          unsigned int rightChanVal:8;
 315          unsigned int rightChanId:8;
 316       } v;
 317       u16  rightSensBits;
 318    } r;
 319 };
 320
 321 struct snd_korg1212 {
 322         struct snd_card *card;
 323         struct pci_dev *pci;
 324         struct snd_pcm *pcm;
 325         int irq;
 326
 327         spinlock_t    lock;
 328         struct semaphore open_mutex;
 329
 330         struct timer_list timer;        /* timer callback for checking ack of stop request */
 331         int stop_pending_cnt;           /* counter for stop pending check */
 332
 333         wait_queue_head_t wait;
 334
 335         unsigned long iomem;
 336         unsigned long ioport;
 337         unsigned long iomem2;
 338         unsigned long irqcount;
 339         unsigned long inIRQ;
 340         void __iomem *iobase;
 341
 342         struct snd_dma_buffer dma_dsp;
 343         struct snd_dma_buffer dma_play;
 344         struct snd_dma_buffer dma_rec;
 345         struct snd_dma_buffer dma_shared;
 346
 347         u32 dspCodeSize;
 348
 349         u32 DataBufsSize;
 350
 351         struct KorgAudioBuffer  * playDataBufsPtr;
 352         struct KorgAudioBuffer  * recordDataBufsPtr;
 353
 354         struct KorgSharedBuffer * sharedBufferPtr;
 355
 356         u32 RecDataPhy;
 357         u32 PlayDataPhy;
 358         unsigned long sharedBufferPhy;
 359         u32 VolumeTablePhy;
 360         u32 RoutingTablePhy;
 361         u32 AdatTimeCodePhy;
 362
 363         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 364         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 365         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 366         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 367         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 368         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 369         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 370         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 371         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 372         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 373
 374         size_t periodsize;
 375         int channels;
 376         int currentBuffer;
 377
 378         struct snd_pcm_substream *playback_substream;
 379         struct snd_pcm_substream *capture_substream;
 380
 381         pid_t capture_pid;
 382         pid_t playback_pid;
 383
 384         enum CardState cardState;
 385         int running;
 386         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 387         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 388
 389         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 390
 391         enum ClockSourceType clkSource;   // clock source
 392         int clkRate;                 // clock rate
 393
 394         int volumePhase[kAudioChannels];
 395
 396         u16 leftADCInSens;           // ADC left channel input sensitivity
 397         u16 rightADCInSens;          // ADC right channel input sensitivity
 398
 399         int opencnt;                 // Open/Close count
 400         int setcnt;                  // SetupForPlay count
 401         int playcnt;                 // TriggerPlay count
 402         int errorcnt;                // Error Count
 403         unsigned long totalerrorcnt; // Total Error Count
 404
 405         int dsp_is_loaded;
 406         int dsp_stop_is_processed;
 407
 408 };
 409
 410 MODULE_DESCRIPTION("korg1212");
 411 MODULE_LICENSE("GPL");
 412 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 413
 414 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 415 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 416 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 417
 418 module_param_array(index, int, NULL, 0444);
 419 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 420 module_param_array(id, charp, NULL, 0444);
 421 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 422 module_param_array(enable, bool, NULL, 0444);
 423 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 424 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 425
 426 static struct pci_device_id snd_korg1212_ids[] = {
 427         {
 428                 .vendor    = 0x10b5,
 429                 .device    = 0x906d,
 430                 .subvendor = PCI_ANY_ID,
 431                 .subdevice = PCI_ANY_ID,
 432         },
 433         { 0, },
 434 };
 435
 436 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 437
 438 static char *stateName[] = {
 439         "Non-existent",
 440         "Uninitialized",
 441         "DSP download in process",
 442         "DSP download complete",
 443         "Ready",
 444         "Open",
 445         "Setup for play",
 446         "Playing",
 447         "Monitor mode on",
 448         "Calibrating",
 449         "Invalid"
 450 };
 451
 452 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 453
 454 static char *clockSourceName[] = {
 455         "ADAT at 44.1 kHz",
 456         "ADAT at 48 kHz",
 457         "S/PDIF at 44.1 kHz",
 458         "S/PDIF at 48 kHz",
 459         "local clock at 44.1 kHz",
 460         "local clock at 48 kHz"
 461 };
 462
 463 static char *channelName[] = {
 464         "ADAT-1",
 465         "ADAT-2",
 466         "ADAT-3",
 467         "ADAT-4",
 468         "ADAT-5",
 469         "ADAT-6",
 470         "ADAT-7",
 471         "ADAT-8",
 472         "Analog-L",
 473         "Analog-R",
 474         "SPDIF-L",
 475         "SPDIF-R",
 476 };
 477
 478 static u16 ClockSourceSelector[] = {
 479         0x8000,   // selects source as ADAT at 44.1 kHz
 480         0x0000,   // selects source as ADAT at 48 kHz
 481         0x8001,   // selects source as S/PDIF at 44.1 kHz
 482         0x0001,   // selects source as S/PDIF at 48 kHz
 483         0x8002,   // selects source as local clock at 44.1 kHz
 484         0x0002    // selects source as local clock at 48 kHz
 485 };
 486
 487 union swap_u32 { unsigned char c[4]; u32 i; };
 488
 489 #ifdef SNDRV_BIG_ENDIAN
 490 static u32 LowerWordSwap(u32 swappee)
 491 #else
 492 static u32 UpperWordSwap(u32 swappee)
 493 #endif
 494 {
 495    union swap_u32 retVal, swapper;
 496
 497    swapper.i = swappee;
 498    retVal.c[2] = swapper.c[3];
 499    retVal.c[3] = swapper.c[2];
 500    retVal.c[1] = swapper.c[1];
 501    retVal.c[0] = swapper.c[0];
 502
 503    return retVal.i;
 504 }
 505
 506 #ifdef SNDRV_BIG_ENDIAN
 507 static u32 UpperWordSwap(u32 swappee)
 508 #else
 509 static u32 LowerWordSwap(u32 swappee)
 510 #endif
 511 {
 512    union swap_u32 retVal, swapper;
 513
 514    swapper.i = swappee;
 515    retVal.c[2] = swapper.c[2];
 516    retVal.c[3] = swapper.c[3];
 517    retVal.c[1] = swapper.c[0];
 518    retVal.c[0] = swapper.c[1];
 519
 520    return retVal.i;
 521 }
 522
 523 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 524 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 525 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 526 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 527
 528 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 529                                         enum korg1212_dbcnst doorbellVal,
 530                                         u32 mailBox0Val, u32 mailBox1Val,
 531                                         u32 mailBox2Val, u32 mailBox3Val)
 532 {
 533         u32 retryCount;
 534         u16 mailBox3Lo;
 535         int rc = K1212_CMDRET_Success;
 536
 537         if (!korg1212->outDoorbellPtr) {
 538                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 539                 return K1212_CMDRET_CardUninitialized;
 540         }
 541
 542         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 543                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 544         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 545                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 546                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 547                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 548                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 549                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 550
 551                 // --------------------------------------------------------------
 552                 // the reboot command will not give an acknowledgement.
 553                 // --------------------------------------------------------------
 554                 if ( doorbellVal == K1212_DB_RebootCard ||
 555                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 556                         doorbellVal == K1212_DB_StartDSPDownload ) {
 557                         rc = K1212_CMDRET_Success;
 558                         break;
 559                 }
 560
 561                 // --------------------------------------------------------------
 562                 // See if the card acknowledged the command.  Wait a bit, then
 563                 // read in the low word of mailbox3.  If the MSB is set and the
 564                 // low byte is equal to the doorbell value, then it ack'd.
 565                 // --------------------------------------------------------------
 566                 udelay(COMMAND_ACK_DELAY);
 567                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 568                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 569                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 570                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 571                                 rc = K1212_CMDRET_Success;
 572                                 break;
 573                         }
 574                 }
 575         }
 576         korg1212->cmdRetryCount += retryCount;
 577
 578         if (retryCount >= MAX_COMMAND_RETRIES) {
 579                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 580                 rc = K1212_CMDRET_NoAckFromCard;
 581         }
 582
 583         return rc;
 584 }
 585
 586 /* spinlock already held */
 587 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 588 {
 589         if (! korg1212->stop_pending_cnt) {
 590                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 591                 /* program the timer */
 592                 korg1212->stop_pending_cnt = HZ;
 593                 korg1212->timer.expires = jiffies + 1;
 594                 add_timer(&korg1212->timer);
 595         }
 596 }
 597
 598 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 599 {
 600         unsigned long flags;
 601         spin_lock_irqsave(&korg1212->lock, flags);
 602         korg1212->dsp_stop_is_processed = 0;
 603         snd_korg1212_SendStop(korg1212);
 604         spin_unlock_irqrestore(&korg1212->lock, flags);
 605         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 606 }
 607
 608 /* timer callback for checking the ack of stop request */
 609 static void snd_korg1212_timer_func(unsigned long data)
 610 {
 611         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 612
 613         spin_lock(&korg1212->lock);
 614         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 615                 /* ack'ed */
 616                 korg1212->stop_pending_cnt = 0;
 617                 korg1212->dsp_stop_is_processed = 1;
 618                 wake_up(&korg1212->wait);
 619                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 620                                            stateName[korg1212->cardState]);
 621         } else {
 622                 if (--korg1212->stop_pending_cnt > 0) {
 623                         /* reprogram timer */
 624                         korg1212->timer.expires = jiffies + 1;
 625                         add_timer(&korg1212->timer);
 626                 } else {
 627                         snd_printd("korg1212_timer_func timeout\n");
 628                         korg1212->sharedBufferPtr->cardCommand = 0;
 629                         korg1212->dsp_stop_is_processed = 1;
 630                         wake_up(&korg1212->wait);
 631                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 632                                            stateName[korg1212->cardState]);
 633                 }
 634         }
 635         spin_unlock(&korg1212->lock);
 636 }
 637
 638 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 639 {
 640         unsigned long flags;
 641         int rc;
 642
 643         udelay(INTERCOMMAND_DELAY);
 644         spin_lock_irqsave(&korg1212->lock, flags);
 645         korg1212->idleMonitorOn = 1;
 646         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 647                                           K1212_MODE_MonitorOn, 0, 0, 0);
 648         spin_unlock_irqrestore(&korg1212->lock, flags);
 649         return rc;
 650 }
 651
 652 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 653 {
 654         if (korg1212->idleMonitorOn) {
 655                 snd_korg1212_SendStopAndWait(korg1212);
 656                 korg1212->idleMonitorOn = 0;
 657         }
 658 }
 659
 660 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 661 {
 662         korg1212->cardState = csState;
 663 }
 664
 665 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 666 {
 667         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 668                            stateName[korg1212->cardState], korg1212->opencnt);
 669         down(&korg1212->open_mutex);
 670         if (korg1212->opencnt++ == 0) {
 671                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 672                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 673         }
 674
 675         up(&korg1212->open_mutex);
 676         return 1;
 677 }
 678
 679 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 680 {
 681         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 682                            stateName[korg1212->cardState], korg1212->opencnt);
 683
 684         down(&korg1212->open_mutex);
 685         if (--(korg1212->opencnt)) {
 686                 up(&korg1212->open_mutex);
 687                 return 0;
 688         }
 689
 690         if (korg1212->cardState == K1212_STATE_SETUP) {
 691                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 692                                 K1212_MODE_StopPlay, 0, 0, 0);
 693                 if (rc)
 694                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 695                                            rc, stateName[korg1212->cardState]);
 696                 if (rc != K1212_CMDRET_Success) {
 697                         up(&korg1212->open_mutex);
 698                         return 0;
 699                 }
 700         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 701                 snd_korg1212_SendStopAndWait(korg1212);
 702         }
 703
 704         if (korg1212->cardState > K1212_STATE_READY) {
 705                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 706                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 707         }
 708
 709         up(&korg1212->open_mutex);
 710         return 0;
 711 }
 712
 713 /* spinlock already held */
 714 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 715 {
 716         int rc;
 717
 718         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 719                            stateName[korg1212->cardState], korg1212->setcnt);
 720
 721         if (korg1212->setcnt++)
 722                 return 0;
 723
 724         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 725         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 726                                         K1212_MODE_SetupPlay, 0, 0, 0);
 727         if (rc)
 728                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 729                                    rc, stateName[korg1212->cardState]);
 730         if (rc != K1212_CMDRET_Success) {
 731                 return 1;
 732         }
 733         return 0;
 734 }
 735
 736 /* spinlock already held */
 737 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 738 {
 739         int rc;
 740
 741         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 742                            stateName[korg1212->cardState], korg1212->playcnt);
 743
 744         if (korg1212->playcnt++)
 745                 return 0;
 746
 747         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 748         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 749         if (rc)
 750                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 751                                    rc, stateName[korg1212->cardState]);
 752         if (rc != K1212_CMDRET_Success) {
 753                 return 1;
 754         }
 755         return 0;
 756 }
 757
 758 /* spinlock already held */
 759 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 760 {
 761         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 762                            stateName[korg1212->cardState], korg1212->playcnt);
 763
 764         if (--(korg1212->playcnt))
 765                 return 0;
 766
 767         korg1212->setcnt = 0;
 768
 769         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 770                 snd_korg1212_SendStop(korg1212);
 771
 772         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 773         return 0;
 774 }
 775
 776 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 777 {
 778         writel(PCI_INT_ENABLE_BIT            |
 779                PCI_DOORBELL_INT_ENABLE_BIT   |
 780                LOCAL_INT_ENABLE_BIT          |
 781                LOCAL_DOORBELL_INT_ENABLE_BIT |
 782                LOCAL_DMA1_INT_ENABLE_BIT,
 783                korg1212->statusRegPtr);
 784 }
 785
 786 #if 0 /* not used */
 787
 788 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 789                                        enum MonitorModeSelector mode)
 790 {
 791         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 792                            stateName[korg1212->cardState]);
 793
 794         switch (mode) {
 795         case K1212_MONMODE_Off:
 796                 if (korg1212->cardState != K1212_STATE_MONITOR)
 797                         return 0;
 798                 else {
 799                         snd_korg1212_SendStopAndWait(korg1212);
 800                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 801                 }
 802                 break;
 803
 804         case K1212_MONMODE_On:
 805                 if (korg1212->cardState != K1212_STATE_OPEN)
 806                         return 0;
 807                 else {
 808                         int rc;
 809                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 810                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 811                                                           K1212_MODE_MonitorOn, 0, 0, 0);
 812                         if (rc != K1212_CMDRET_Success)
 813                                 return 0;
 814                 }
 815                 break;
 816
 817         default:
 818                 return 0;
 819         }
 820
 821         return 1;
 822 }
 823
 824 #endif /* not used */
 825
 826 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 827 {
 828         if (korg1212->playback_pid != korg1212->capture_pid &&
 829             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 830                 return 0;
 831
 832         return 1;
 833 }
 834
 835 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 836 {
 837         static enum ClockSourceIndex s44[] = {
 838                 K1212_CLKIDX_AdatAt44_1K,
 839                 K1212_CLKIDX_WordAt44_1K,
 840                 K1212_CLKIDX_LocalAt44_1K
 841         };
 842         static enum ClockSourceIndex s48[] = {
 843                 K1212_CLKIDX_AdatAt48K,
 844                 K1212_CLKIDX_WordAt48K,
 845                 K1212_CLKIDX_LocalAt48K
 846         };
 847         int parm, rc;
 848
 849         if (!snd_korg1212_use_is_exclusive (korg1212))
 850                 return -EBUSY;
 851
 852         switch (rate) {
 853         case 44100:
 854                 parm = s44[korg1212->clkSource];
 855                 break;
 856
 857         case 48000:
 858                 parm = s48[korg1212->clkSource];
 859                 break;
 860
 861         default:
 862                 return -EINVAL;
 863         }
 864
 865         korg1212->clkSrcRate = parm;
 866         korg1212->clkRate = rate;
 867
 868         udelay(INTERCOMMAND_DELAY);
 869         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 870                                           ClockSourceSelector[korg1212->clkSrcRate],
 871                                           0, 0, 0);
 872         if (rc)
 873                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 874                                    rc, stateName[korg1212->cardState]);
 875
 876         return 0;
 877 }
 878
 879 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 880 {
 881
 882         if (source < 0 || source > 2)
 883                 return -EINVAL;
 884
 885         korg1212->clkSource = source;
 886
 887         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 888
 889         return 0;
 890 }
 891
 892 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 893 {
 894         writel(0, korg1212->statusRegPtr);
 895 }
 896
 897 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 898 {
 899         struct SensBits  sensVals;
 900         int       bitPosition;
 901         int       channel;
 902         int       clkIs48K;
 903         int       monModeSet;
 904         u16       controlValue;    // this keeps the current value to be written to
 905                                    //  the card's eeprom control register.
 906         u16       count;
 907         unsigned long flags;
 908
 909         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 910                            stateName[korg1212->cardState]);
 911
 912         // ----------------------------------------------------------------------------
 913         // initialize things.  The local init bit is always set when writing to the
 914         // card's control register.
 915         // ----------------------------------------------------------------------------
 916         controlValue = 0;
 917         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 918
 919         // ----------------------------------------------------------------------------
 920         // make sure the card is not in monitor mode when we do this update.
 921         // ----------------------------------------------------------------------------
 922         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 923                 monModeSet = 1;
 924                 snd_korg1212_SendStopAndWait(korg1212);
 925         } else
 926                 monModeSet = 0;
 927
 928         spin_lock_irqsave(&korg1212->lock, flags);
 929
 930         // ----------------------------------------------------------------------------
 931         // we are about to send new values to the card, so clear the new values queued
 932         // flag.  Also, clear out mailbox 3, so we don't lockup.
 933         // ----------------------------------------------------------------------------
 934         writel(0, korg1212->mailbox3Ptr);
 935         udelay(LOADSHIFT_DELAY);
 936
 937         // ----------------------------------------------------------------------------
 938         // determine whether we are running a 48K or 44.1K clock.  This info is used
 939         // later when setting the SPDIF FF after the volume has been shifted in.
 940         // ----------------------------------------------------------------------------
 941         switch (korg1212->clkSrcRate) {
 942                 case K1212_CLKIDX_AdatAt44_1K:
 943                 case K1212_CLKIDX_WordAt44_1K:
 944                 case K1212_CLKIDX_LocalAt44_1K:
 945                         clkIs48K = 0;
 946                         break;
 947
 948                 case K1212_CLKIDX_WordAt48K:
 949                 case K1212_CLKIDX_AdatAt48K:
 950                 case K1212_CLKIDX_LocalAt48K:
 951                 default:
 952                         clkIs48K = 1;
 953                         break;
 954         }
 955
 956         // ----------------------------------------------------------------------------
 957         // start the update.  Setup the bit structure and then shift the bits.
 958         // ----------------------------------------------------------------------------
 959         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 960         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 961         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 962         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 963
 964         // ----------------------------------------------------------------------------
 965         // now start shifting the bits in.  Start with the left channel then the right.
 966         // ----------------------------------------------------------------------------
 967         for (channel = 0; channel < 2; channel++) {
 968
 969                 // ----------------------------------------------------------------------------
 970                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
 971                 // shift low to the first rising edge of the clock.
 972                 // ----------------------------------------------------------------------------
 973                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 974                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 975                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 976                 udelay(LOADSHIFT_DELAY);
 977
 978                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 979                         if (channel == 0) {
 980                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 981                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 982                                 else
 983                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 984                         } else {
 985                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 986                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 987                                 else
 988                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 989                         }
 990
 991                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 992                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 993                         udelay(SENSCLKPULSE_WIDTH);
 994                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 995                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 996                         udelay(SENSCLKPULSE_WIDTH);
 997                 }
 998
 999                 // ----------------------------------------------------------------------------
1000                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1001                 // bit if the clock rate is 48K otherwise write 0.
1002                 // ----------------------------------------------------------------------------
1003                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1004                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1005                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1006                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1007                 udelay(SENSCLKPULSE_WIDTH);
1008
1009                 if (clkIs48K)
1010                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1011
1012                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1013                 udelay(ONE_RTC_TICK);
1014                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1015                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1016                 udelay(SENSCLKPULSE_WIDTH);
1017                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1018                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1019                 udelay(SENSCLKPULSE_WIDTH);
1020         }
1021
1022         // ----------------------------------------------------------------------------
1023         // The update is complete.  Set a timeout.  This is the inter-update delay.
1024         // Also, if the card was in monitor mode, restore it.
1025         // ----------------------------------------------------------------------------
1026         for (count = 0; count < 10; count++)
1027                 udelay(SENSCLKPULSE_WIDTH);
1028
1029         if (monModeSet) {
1030                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1031                                 K1212_MODE_MonitorOn, 0, 0, 0);
1032                 if (rc)
1033                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1034                                            rc, stateName[korg1212->cardState]);
1035         }
1036
1037         spin_unlock_irqrestore(&korg1212->lock, flags);
1038
1039         return 1;
1040 }
1041
1042 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1043 {
1044         int channel, rc;
1045
1046         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1047                            stateName[korg1212->cardState]);
1048
1049         // ----------------------------------------------------
1050         // tell the card to boot
1051         // ----------------------------------------------------
1052         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1053
1054         if (rc)
1055                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1056                                    rc, stateName[korg1212->cardState]);
1057         msleep(DSP_BOOT_DELAY_IN_MS);
1058
1059         // --------------------------------------------------------------------------------
1060         // Let the card know where all the buffers are.
1061         // --------------------------------------------------------------------------------
1062         rc = snd_korg1212_Send1212Command(korg1212,
1063                         K1212_DB_ConfigureBufferMemory,
1064                         LowerWordSwap(korg1212->PlayDataPhy),
1065                         LowerWordSwap(korg1212->RecDataPhy),
1066                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1067                                                                    // is based on 2 buffers
1068                         0
1069         );
1070
1071         if (rc)
1072                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1073                                    rc, stateName[korg1212->cardState]);
1074
1075         udelay(INTERCOMMAND_DELAY);
1076
1077         rc = snd_korg1212_Send1212Command(korg1212,
1078                         K1212_DB_ConfigureMiscMemory,
1079                         LowerWordSwap(korg1212->VolumeTablePhy),
1080                         LowerWordSwap(korg1212->RoutingTablePhy),
1081                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1082                         0
1083         );
1084
1085         if (rc)
1086                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1087                                    rc, stateName[korg1212->cardState]);
1088
1089         // --------------------------------------------------------------------------------
1090         // Initialize the routing and volume tables, then update the card's state.
1091         // --------------------------------------------------------------------------------
1092         udelay(INTERCOMMAND_DELAY);
1093
1094         for (channel = 0; channel < kAudioChannels; channel++) {
1095                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1096                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1097                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1098         }
1099
1100         snd_korg1212_WriteADCSensitivity(korg1212);
1101
1102         udelay(INTERCOMMAND_DELAY);
1103         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1104                                           ClockSourceSelector[korg1212->clkSrcRate],
1105                                           0, 0, 0);
1106         if (rc)
1107                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1108                                    rc, stateName[korg1212->cardState]);
1109
1110         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1111         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1112
1113         if (rc)
1114                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1115                                    rc, stateName[korg1212->cardState]);
1116
1117         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1118 }
1119
1120 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1121 {
1122         u32 doorbellValue;
1123         struct snd_korg1212 *korg1212 = dev_id;
1124
1125         if(irq != korg1212->irq)
1126                 return IRQ_NONE;
1127
1128         doorbellValue = readl(korg1212->inDoorbellPtr);
1129
1130         if (!doorbellValue)
1131                 return IRQ_NONE;
1132
1133         spin_lock(&korg1212->lock);
1134
1135         writel(doorbellValue, korg1212->inDoorbellPtr);
1136
1137         korg1212->irqcount++;
1138
1139         korg1212->inIRQ++;
1140
1141
1142         switch (doorbellValue) {
1143                 case K1212_DB_DSPDownloadDone:
1144                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1145                                            korg1212->irqcount, doorbellValue,
1146                                            stateName[korg1212->cardState]);
1147                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1148                                 korg1212->dsp_is_loaded = 1;
1149                                 wake_up(&korg1212->wait);
1150                         }
1151                         break;
1152
1153                 // ------------------------------------------------------------------------
1154                 // an error occurred - stop the card
1155                 // ------------------------------------------------------------------------
1156                 case K1212_DB_DMAERROR:
1157                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1158                                                    korg1212->irqcount, doorbellValue,
1159                                                    stateName[korg1212->cardState]);
1160                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1161                         korg1212->errorcnt++;
1162                         korg1212->totalerrorcnt++;
1163                         korg1212->sharedBufferPtr->cardCommand = 0;
1164                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1165                         break;
1166
1167                 // ------------------------------------------------------------------------
1168                 // the card has stopped by our request.  Clear the command word and signal
1169                 // the semaphore in case someone is waiting for this.
1170                 // ------------------------------------------------------------------------
1171                 case K1212_DB_CARDSTOPPED:
1172                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1173                                                    korg1212->irqcount, doorbellValue,
1174                                                    stateName[korg1212->cardState]);
1175                         korg1212->sharedBufferPtr->cardCommand = 0;
1176                         break;
1177
1178                 default:
1179                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1180                                korg1212->irqcount, doorbellValue,
1181                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1182                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1183                                 korg1212->currentBuffer++;
1184
1185                                 if (korg1212->currentBuffer >= kNumBuffers)
1186                                         korg1212->currentBuffer = 0;
1187
1188                                 if (!korg1212->running)
1189                                         break;
1190
1191                                 if (korg1212->capture_substream) {
1192                                         spin_unlock(&korg1212->lock);
1193                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1194                                         spin_lock(&korg1212->lock);
1195                                 }
1196
1197                                 if (korg1212->playback_substream) {
1198                                         spin_unlock(&korg1212->lock);
1199                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1200                                         spin_lock(&korg1212->lock);
1201                                 }
1202                         }
1203                         break;
1204         }
1205
1206         korg1212->inIRQ--;
1207
1208         spin_unlock(&korg1212->lock);
1209
1210         return IRQ_HANDLED;
1211 }
1212
1213 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1214 {
1215         int rc;
1216
1217         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1218                            stateName[korg1212->cardState]);
1219
1220         // ---------------------------------------------------------------
1221         // verify the state of the card before proceeding.
1222         // ---------------------------------------------------------------
1223         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1224                 return 1;
1225
1226         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1227
1228         memcpy(korg1212->dma_dsp.area, dspCode, korg1212->dspCodeSize);
1229
1230         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1231                                      UpperWordSwap(korg1212->dma_dsp.addr),
1232                                      0, 0, 0);
1233         if (rc)
1234                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1235                                    rc, stateName[korg1212->cardState]);
1236
1237         korg1212->dsp_is_loaded = 0;
1238         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1239         if (! korg1212->dsp_is_loaded )
1240                 return -EBUSY; /* timeout */
1241
1242         snd_korg1212_OnDSPDownloadComplete(korg1212);
1243
1244         return 0;
1245 }
1246
1247 static struct snd_pcm_hardware snd_korg1212_playback_info =
1248 {
1249         .info =              (SNDRV_PCM_INFO_MMAP |
1250                               SNDRV_PCM_INFO_MMAP_VALID |
1251                               SNDRV_PCM_INFO_INTERLEAVED),
1252         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1253         .rates =              (SNDRV_PCM_RATE_44100 |
1254                               SNDRV_PCM_RATE_48000),
1255         .rate_min =           44100,
1256         .rate_max =           48000,
1257         .channels_min =       K1212_MIN_CHANNELS,
1258         .channels_max =       K1212_MAX_CHANNELS,
1259         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1260         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1261         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1262         .periods_min =        K1212_PERIODS,
1263         .periods_max =        K1212_PERIODS,
1264         .fifo_size =          0,
1265 };
1266
1267 static struct snd_pcm_hardware snd_korg1212_capture_info =
1268 {
1269         .info =              (SNDRV_PCM_INFO_MMAP |
1270                               SNDRV_PCM_INFO_MMAP_VALID |
1271                               SNDRV_PCM_INFO_INTERLEAVED),
1272         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1273         .rates =              (SNDRV_PCM_RATE_44100 |
1274                               SNDRV_PCM_RATE_48000),
1275         .rate_min =           44100,
1276         .rate_max =           48000,
1277         .channels_min =       K1212_MIN_CHANNELS,
1278         .channels_max =       K1212_MAX_CHANNELS,
1279         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1280         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1281         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1282         .periods_min =        K1212_PERIODS,
1283         .periods_max =        K1212_PERIODS,
1284         .fifo_size =          0,
1285 };
1286
1287 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1288 {
1289         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1290         int i;
1291
1292         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1293                                    pos, offset, size, count);
1294         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1295
1296         for (i=0; i < count; i++) {
1297 #if K1212_DEBUG_LEVEL > 0
1298                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1299                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1300                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1301                                dst, i);
1302                         return -EFAULT;
1303                 }
1304 #endif
1305                 memset((void*) dst + offset, 0, size);
1306                 dst++;
1307         }
1308
1309         return 0;
1310 }
1311
1312 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1313 {
1314         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1315         int i, rc;
1316
1317         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1318                                    pos, offset, size);
1319         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1320
1321         for (i=0; i < count; i++) {
1322 #if K1212_DEBUG_LEVEL > 0
1323                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1324                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1325                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1326                         return -EFAULT;
1327                 }
1328 #endif
1329                 rc = copy_to_user(dst + offset, src, size);
1330                 if (rc) {
1331                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1332                         return -EFAULT;
1333                 }
1334                 src++;
1335                 dst += size;
1336         }
1337
1338         return 0;
1339 }
1340
1341 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1342 {
1343         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1344         int i, rc;
1345
1346         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1347                                    pos, offset, size, count);
1348
1349         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1350
1351         for (i=0; i < count; i++) {
1352 #if K1212_DEBUG_LEVEL > 0
1353                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1354                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1355                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1356                         return -EFAULT;
1357                 }
1358 #endif
1359                 rc = copy_from_user((void*) dst + offset, src, size);
1360                 if (rc) {
1361                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1362                         return -EFAULT;
1363                 }
1364                 dst++;
1365                 src += size;
1366         }
1367
1368         return 0;
1369 }
1370
1371 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1372 {
1373         struct snd_korg1212 *korg1212 = pcm->private_data;
1374
1375         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1376                            stateName[korg1212->cardState]);
1377
1378         korg1212->pcm = NULL;
1379 }
1380
1381 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1382 {
1383         unsigned long flags;
1384         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1385         struct snd_pcm_runtime *runtime = substream->runtime;
1386
1387         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1388                            stateName[korg1212->cardState]);
1389
1390         snd_pcm_set_sync(substream);    // ???
1391
1392         snd_korg1212_OpenCard(korg1212);
1393
1394         runtime->hw = snd_korg1212_playback_info;
1395         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1396
1397         spin_lock_irqsave(&korg1212->lock, flags);
1398
1399         korg1212->playback_substream = substream;
1400         korg1212->playback_pid = current->pid;
1401         korg1212->periodsize = K1212_PERIODS;
1402         korg1212->channels = K1212_CHANNELS;
1403         korg1212->errorcnt = 0;
1404
1405         spin_unlock_irqrestore(&korg1212->lock, flags);
1406
1407         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1408         return 0;
1409 }
1410
1411
1412 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1413 {
1414         unsigned long flags;
1415         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1416         struct snd_pcm_runtime *runtime = substream->runtime;
1417
1418         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1419                            stateName[korg1212->cardState]);
1420
1421         snd_pcm_set_sync(substream);
1422
1423         snd_korg1212_OpenCard(korg1212);
1424
1425         runtime->hw = snd_korg1212_capture_info;
1426         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1427
1428         spin_lock_irqsave(&korg1212->lock, flags);
1429
1430         korg1212->capture_substream = substream;
1431         korg1212->capture_pid = current->pid;
1432         korg1212->periodsize = K1212_PERIODS;
1433         korg1212->channels = K1212_CHANNELS;
1434
1435         spin_unlock_irqrestore(&korg1212->lock, flags);
1436
1437         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1438                                      kPlayBufferFrames, kPlayBufferFrames);
1439         return 0;
1440 }
1441
1442 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1443 {
1444         unsigned long flags;
1445         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1446
1447         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1448                            stateName[korg1212->cardState]);
1449
1450         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1451
1452         spin_lock_irqsave(&korg1212->lock, flags);
1453
1454         korg1212->playback_pid = -1;
1455         korg1212->playback_substream = NULL;
1456         korg1212->periodsize = 0;
1457
1458         spin_unlock_irqrestore(&korg1212->lock, flags);
1459
1460         snd_korg1212_CloseCard(korg1212);
1461         return 0;
1462 }
1463
1464 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1465 {
1466         unsigned long flags;
1467         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1468
1469         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1470                            stateName[korg1212->cardState]);
1471
1472         spin_lock_irqsave(&korg1212->lock, flags);
1473
1474         korg1212->capture_pid = -1;
1475         korg1212->capture_substream = NULL;
1476         korg1212->periodsize = 0;
1477
1478         spin_unlock_irqrestore(&korg1212->lock, flags);
1479
1480         snd_korg1212_CloseCard(korg1212);
1481         return 0;
1482 }
1483
1484 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1485                              unsigned int cmd, void *arg)
1486 {
1487         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1488
1489         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1490                 struct snd_pcm_channel_info *info = arg;
1491                 info->offset = 0;
1492                 info->first = info->channel * 16;
1493                 info->step = 256;
1494                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1495                 return 0;
1496         }
1497
1498         return snd_pcm_lib_ioctl(substream, cmd, arg);
1499 }
1500
1501 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1502                              struct snd_pcm_hw_params *params)
1503 {
1504         unsigned long flags;
1505         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1506         int err;
1507         pid_t this_pid;
1508         pid_t other_pid;
1509
1510         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1511                            stateName[korg1212->cardState]);
1512
1513         spin_lock_irqsave(&korg1212->lock, flags);
1514
1515         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1516                 this_pid = korg1212->playback_pid;
1517                 other_pid = korg1212->capture_pid;
1518         } else {
1519                 this_pid = korg1212->capture_pid;
1520                 other_pid = korg1212->playback_pid;
1521         }
1522
1523         if ((other_pid > 0) && (this_pid != other_pid)) {
1524
1525                 /* The other stream is open, and not by the same
1526                    task as this one. Make sure that the parameters
1527                    that matter are the same.
1528                  */
1529
1530                 if ((int)params_rate(params) != korg1212->clkRate) {
1531                         spin_unlock_irqrestore(&korg1212->lock, flags);
1532                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1533                         return -EBUSY;
1534                 }
1535
1536                 spin_unlock_irqrestore(&korg1212->lock, flags);
1537                 return 0;
1538         }
1539
1540         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1541                 spin_unlock_irqrestore(&korg1212->lock, flags);
1542                 return err;
1543         }
1544
1545         korg1212->channels = params_channels(params);
1546         korg1212->periodsize = K1212_PERIOD_BYTES;
1547
1548         spin_unlock_irqrestore(&korg1212->lock, flags);
1549
1550         return 0;
1551 }
1552
1553 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1554 {
1555         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1556         int rc;
1557
1558         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1559                            stateName[korg1212->cardState]);
1560
1561         spin_lock_irq(&korg1212->lock);
1562
1563         /* FIXME: we should wait for ack! */
1564         if (korg1212->stop_pending_cnt > 0) {
1565                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1566                                    stateName[korg1212->cardState]);
1567                 spin_unlock_irq(&korg1212->lock);
1568                 return -EAGAIN;
1569                 /*
1570                 korg1212->sharedBufferPtr->cardCommand = 0;
1571                 del_timer(&korg1212->timer);
1572                 korg1212->stop_pending_cnt = 0;
1573                 */
1574         }
1575
1576         rc = snd_korg1212_SetupForPlay(korg1212);
1577
1578         korg1212->currentBuffer = 0;
1579
1580         spin_unlock_irq(&korg1212->lock);
1581
1582         return rc ? -EINVAL : 0;
1583 }
1584
1585 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1586                            int cmd)
1587 {
1588         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1589         int rc;
1590
1591         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1592                            stateName[korg1212->cardState], cmd);
1593
1594         spin_lock(&korg1212->lock);
1595         switch (cmd) {
1596                 case SNDRV_PCM_TRIGGER_START:
1597 /*
1598                         if (korg1212->running) {
1599                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1600                                 break;
1601                         }
1602 */
1603                         korg1212->running++;
1604                         rc = snd_korg1212_TriggerPlay(korg1212);
1605                         break;
1606
1607                 case SNDRV_PCM_TRIGGER_STOP:
1608 /*
1609                         if (!korg1212->running) {
1610                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1611                                 break;
1612                         }
1613 */
1614                         korg1212->running--;
1615                         rc = snd_korg1212_StopPlay(korg1212);
1616                         break;
1617
1618                 default:
1619                         rc = 1;
1620                         break;
1621         }
1622         spin_unlock(&korg1212->lock);
1623         return rc ? -EINVAL : 0;
1624 }
1625
1626 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1627 {
1628         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1629         snd_pcm_uframes_t pos;
1630
1631         pos = korg1212->currentBuffer * kPlayBufferFrames;
1632
1633         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1634                                    stateName[korg1212->cardState], pos);
1635
1636         return pos;
1637 }
1638
1639 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1640 {
1641         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1642         snd_pcm_uframes_t pos;
1643
1644         pos = korg1212->currentBuffer * kPlayBufferFrames;
1645
1646         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1647                                    stateName[korg1212->cardState], pos);
1648
1649         return pos;
1650 }
1651
1652 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1653                         int channel, /* not used (interleaved data) */
1654                         snd_pcm_uframes_t pos,
1655                         void __user *src,
1656                         snd_pcm_uframes_t count)
1657 {
1658         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1659
1660         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1661                                    stateName[korg1212->cardState], pos, count);
1662
1663         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1664
1665 }
1666
1667 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1668                            int channel, /* not used (interleaved data) */
1669                            snd_pcm_uframes_t pos,
1670                            snd_pcm_uframes_t count)
1671 {
1672         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1673
1674         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1675                                    stateName[korg1212->cardState]);
1676
1677         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1678 }
1679
1680 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1681                         int channel, /* not used (interleaved data) */
1682                         snd_pcm_uframes_t pos,
1683                         void __user *dst,
1684                         snd_pcm_uframes_t count)
1685 {
1686         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1687
1688         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1689                                    stateName[korg1212->cardState], pos, count);
1690
1691         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1692 }
1693
1694 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1695         .open =         snd_korg1212_playback_open,
1696         .close =        snd_korg1212_playback_close,
1697         .ioctl =        snd_korg1212_ioctl,
1698         .hw_params =    snd_korg1212_hw_params,
1699         .prepare =      snd_korg1212_prepare,
1700         .trigger =      snd_korg1212_trigger,
1701         .pointer =      snd_korg1212_playback_pointer,
1702         .copy =         snd_korg1212_playback_copy,
1703         .silence =      snd_korg1212_playback_silence,
1704 };
1705
1706 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1707         .open =         snd_korg1212_capture_open,
1708         .close =        snd_korg1212_capture_close,
1709         .ioctl =        snd_korg1212_ioctl,
1710         .hw_params =    snd_korg1212_hw_params,
1711         .prepare =      snd_korg1212_prepare,
1712         .trigger =      snd_korg1212_trigger,
1713         .pointer =      snd_korg1212_capture_pointer,
1714         .copy =         snd_korg1212_capture_copy,
1715 };
1716
1717 /*
1718  * Control Interface
1719  */
1720
1721 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1722                                            struct snd_ctl_elem_info *uinfo)
1723 {
1724         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1725         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1726         return 0;
1727 }
1728
1729 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1730                                           struct snd_ctl_elem_value *u)
1731 {
1732         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1733         int i = kcontrol->private_value;
1734
1735         spin_lock_irq(&korg1212->lock);
1736
1737         u->value.integer.value[0] = korg1212->volumePhase[i];
1738
1739         if (i >= 8)
1740                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1741
1742         spin_unlock_irq(&korg1212->lock);
1743
1744         return 0;
1745 }
1746
1747 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1748                                           struct snd_ctl_elem_value *u)
1749 {
1750         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1751         int change = 0;
1752         int i, val;
1753
1754         spin_lock_irq(&korg1212->lock);
1755
1756         i = kcontrol->private_value;
1757
1758         korg1212->volumePhase[i] = u->value.integer.value[0];
1759
1760         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1761
1762         if ((u->value.integer.value[0] > 0) != (val < 0)) {
1763                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1764                 korg1212->sharedBufferPtr->volumeData[i] = val;
1765                 change = 1;
1766         }
1767
1768         if (i >= 8) {
1769                 korg1212->volumePhase[i+1] = u->value.integer.value[1];
1770
1771                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1772
1773                 if ((u->value.integer.value[1] > 0) != (val < 0)) {
1774                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1775                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1776                         change = 1;
1777                 }
1778         }
1779
1780         spin_unlock_irq(&korg1212->lock);
1781
1782         return change;
1783 }
1784
1785 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1786                                             struct snd_ctl_elem_info *uinfo)
1787 {
1788         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1789         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1790         uinfo->value.integer.min = k1212MinVolume;
1791         uinfo->value.integer.max = k1212MaxVolume;
1792         return 0;
1793 }
1794
1795 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1796                                            struct snd_ctl_elem_value *u)
1797 {
1798         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1799         int i;
1800
1801         spin_lock_irq(&korg1212->lock);
1802
1803         i = kcontrol->private_value;
1804         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1805
1806         if (i >= 8)
1807                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1808
1809         spin_unlock_irq(&korg1212->lock);
1810
1811         return 0;
1812 }
1813
1814 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1815                                            struct snd_ctl_elem_value *u)
1816 {
1817         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1818         int change = 0;
1819         int i;
1820         int val;
1821
1822         spin_lock_irq(&korg1212->lock);
1823
1824         i = kcontrol->private_value;
1825
1826         if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
1827                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1828                 val *= u->value.integer.value[0];
1829                 korg1212->sharedBufferPtr->volumeData[i] = val;
1830                 change = 1;
1831         }
1832
1833         if (i >= 8) {
1834                 if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1835                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1836                         val *= u->value.integer.value[1];
1837                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1838                         change = 1;
1839                 }
1840         }
1841
1842         spin_unlock_irq(&korg1212->lock);
1843
1844         return change;
1845 }
1846
1847 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1848                                            struct snd_ctl_elem_info *uinfo)
1849 {
1850         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1851         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1852         uinfo->value.enumerated.items = kAudioChannels;
1853         if (uinfo->value.enumerated.item > kAudioChannels-1) {
1854                 uinfo->value.enumerated.item = kAudioChannels-1;
1855         }
1856         strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1857         return 0;
1858 }
1859
1860 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1861                                           struct snd_ctl_elem_value *u)
1862 {
1863         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1864         int i;
1865
1866         spin_lock_irq(&korg1212->lock);
1867
1868         i = kcontrol->private_value;
1869         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1870
1871         if (i >= 8)
1872                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1873
1874         spin_unlock_irq(&korg1212->lock);
1875
1876         return 0;
1877 }
1878
1879 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1880                                           struct snd_ctl_elem_value *u)
1881 {
1882         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1883         int change = 0, i;
1884
1885         spin_lock_irq(&korg1212->lock);
1886
1887         i = kcontrol->private_value;
1888
1889         if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1890                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1891                 change = 1;
1892         }
1893
1894         if (i >= 8) {
1895                 if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1896                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1897                         change = 1;
1898                 }
1899         }
1900
1901         spin_unlock_irq(&korg1212->lock);
1902
1903         return change;
1904 }
1905
1906 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1907                                      struct snd_ctl_elem_info *uinfo)
1908 {
1909         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1910         uinfo->count = 2;
1911         uinfo->value.integer.min = k1212MaxADCSens;
1912         uinfo->value.integer.max = k1212MinADCSens;
1913         return 0;
1914 }
1915
1916 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1917                                     struct snd_ctl_elem_value *u)
1918 {
1919         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1920
1921         spin_lock_irq(&korg1212->lock);
1922
1923         u->value.integer.value[0] = korg1212->leftADCInSens;
1924         u->value.integer.value[1] = korg1212->rightADCInSens;
1925
1926         spin_unlock_irq(&korg1212->lock);
1927
1928         return 0;
1929 }
1930
1931 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1932                                     struct snd_ctl_elem_value *u)
1933 {
1934         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1935         int change = 0;
1936
1937         spin_lock_irq(&korg1212->lock);
1938
1939         if (u->value.integer.value[0] != korg1212->leftADCInSens) {
1940                 korg1212->leftADCInSens = u->value.integer.value[0];
1941                 change = 1;
1942         }
1943         if (u->value.integer.value[1] != korg1212->rightADCInSens) {
1944                 korg1212->rightADCInSens = u->value.integer.value[1];
1945                 change = 1;
1946         }
1947
1948         spin_unlock_irq(&korg1212->lock);
1949
1950         if (change)
1951                 snd_korg1212_WriteADCSensitivity(korg1212);
1952
1953         return change;
1954 }
1955
1956 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1957                                           struct snd_ctl_elem_info *uinfo)
1958 {
1959         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1960         uinfo->count = 1;
1961         uinfo->value.enumerated.items = 3;
1962         if (uinfo->value.enumerated.item > 2) {
1963                 uinfo->value.enumerated.item = 2;
1964         }
1965         strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1966         return 0;
1967 }
1968
1969 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1970                                          struct snd_ctl_elem_value *ucontrol)
1971 {
1972         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1973
1974         spin_lock_irq(&korg1212->lock);
1975
1976         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1977
1978         spin_unlock_irq(&korg1212->lock);
1979         return 0;
1980 }
1981
1982 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1983                                          struct snd_ctl_elem_value *ucontrol)
1984 {
1985         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1986         unsigned int val;
1987         int change;
1988
1989         val = ucontrol->value.enumerated.item[0] % 3;
1990         spin_lock_irq(&korg1212->lock);
1991         change = val != korg1212->clkSource;
1992         snd_korg1212_SetClockSource(korg1212, val);
1993         spin_unlock_irq(&korg1212->lock);
1994         return change;
1995 }
1996
1997 #define MON_MIXER(ord,c_name)                                                                   \
1998         {                                                                                       \
1999                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2000                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2001                 .name =         c_name " Monitor Volume",                                       \
2002                 .info =         snd_korg1212_control_volume_info,                               \
2003                 .get =          snd_korg1212_control_volume_get,                                \
2004                 .put =          snd_korg1212_control_volume_put,                                \
2005                 .private_value = ord,                                                           \
2006         },                                                                                      \
2007         {                                                                                       \
2008                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2009                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2010                 .name =         c_name " Monitor Route",                                        \
2011                 .info =         snd_korg1212_control_route_info,                                \
2012                 .get =          snd_korg1212_control_route_get,                                 \
2013                 .put =          snd_korg1212_control_route_put,                                 \
2014                 .private_value = ord,                                                           \
2015         },                                                                                      \
2016         {                                                                                       \
2017                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2018                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2019                 .name =         c_name " Monitor Phase Invert",                                 \
2020                 .info =         snd_korg1212_control_phase_info,                                \
2021                 .get =          snd_korg1212_control_phase_get,                                 \
2022                 .put =          snd_korg1212_control_phase_put,                                 \
2023                 .private_value = ord,                                                           \
2024         }
2025
2026 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2027         MON_MIXER(8, "Analog"),
2028         MON_MIXER(10, "SPDIF"),
2029         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2030         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2031         {
2032                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2033                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2034                 .name =         "Sync Source",
2035                 .info =         snd_korg1212_control_sync_info,
2036                 .get =          snd_korg1212_control_sync_get,
2037                 .put =          snd_korg1212_control_sync_put,
2038         },
2039         {
2040                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2041                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2042                 .name =         "ADC Attenuation",
2043                 .info =         snd_korg1212_control_info,
2044                 .get =          snd_korg1212_control_get,
2045                 .put =          snd_korg1212_control_put,
2046         }
2047 };
2048
2049 /*
2050  * proc interface
2051  */
2052
2053 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2054                                    struct snd_info_buffer *buffer)
2055 {
2056         int n;
2057         struct snd_korg1212 *korg1212 = entry->private_data;
2058
2059         snd_iprintf(buffer, korg1212->card->longname);
2060         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2061         snd_iprintf(buffer, "\nGeneral settings\n");
2062         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2063         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2064         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2065         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2066         snd_iprintf(buffer, "    Volume Info:\n");
2067         for (n=0; n<kAudioChannels; n++)
2068                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2069                                     channelName[n],
2070                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2071                                     korg1212->sharedBufferPtr->volumeData[n]);
2072         snd_iprintf(buffer, "\nGeneral status\n");
2073         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2074         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2075         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2076         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2077         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2078         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2079 }
2080
2081 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2082 {
2083         struct snd_info_entry *entry;
2084
2085         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2086                 snd_info_set_text_ops(entry, korg1212, 1024, snd_korg1212_proc_read);
2087 }
2088
2089 static int
2090 snd_korg1212_free(struct snd_korg1212 *korg1212)
2091 {
2092         snd_korg1212_TurnOffIdleMonitor(korg1212);
2093
2094         if (korg1212->irq >= 0) {
2095                 synchronize_irq(korg1212->irq);
2096                 snd_korg1212_DisableCardInterrupts(korg1212);
2097                 free_irq(korg1212->irq, korg1212);
2098                 korg1212->irq = -1;
2099         }
2100
2101         if (korg1212->iobase != NULL) {
2102                 iounmap(korg1212->iobase);
2103                 korg1212->iobase = NULL;
2104         }
2105
2106         pci_release_regions(korg1212->pci);
2107
2108         // ----------------------------------------------------
2109         // free up memory resources used for the DSP download.
2110         // ----------------------------------------------------
2111         if (korg1212->dma_dsp.area) {
2112                 snd_dma_free_pages(&korg1212->dma_dsp);
2113                 korg1212->dma_dsp.area = NULL;
2114         }
2115
2116 #ifndef K1212_LARGEALLOC
2117
2118         // ------------------------------------------------------
2119         // free up memory resources used for the Play/Rec Buffers
2120         // ------------------------------------------------------
2121         if (korg1212->dma_play.area) {
2122                 snd_dma_free_pages(&korg1212->dma_play);
2123                 korg1212->dma_play.area = NULL;
2124         }
2125
2126         if (korg1212->dma_rec.area) {
2127                 snd_dma_free_pages(&korg1212->dma_rec);
2128                 korg1212->dma_rec.area = NULL;
2129         }
2130
2131 #endif
2132
2133         // ----------------------------------------------------
2134         // free up memory resources used for the Shared Buffers
2135         // ----------------------------------------------------
2136         if (korg1212->dma_shared.area) {
2137                 snd_dma_free_pages(&korg1212->dma_shared);
2138                 korg1212->dma_shared.area = NULL;
2139         }
2140
2141         pci_disable_device(korg1212->pci);
2142         kfree(korg1212);
2143         return 0;
2144 }
2145
2146 static int snd_korg1212_dev_free(struct snd_device *device)
2147 {
2148         struct snd_korg1212 *korg1212 = device->device_data;
2149         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2150         return snd_korg1212_free(korg1212);
2151 }
2152
2153 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2154                                          struct snd_korg1212 ** rchip)
2155
2156 {
2157         int err, rc;
2158         unsigned int i;
2159         unsigned ioport_size, iomem_size, iomem2_size;
2160         struct snd_korg1212 * korg1212;
2161
2162         static struct snd_device_ops ops = {
2163                 .dev_free = snd_korg1212_dev_free,
2164         };
2165
2166         * rchip = NULL;
2167         if ((err = pci_enable_device(pci)) < 0)
2168                 return err;
2169
2170         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2171         if (korg1212 == NULL) {
2172                 pci_disable_device(pci);
2173                 return -ENOMEM;
2174         }
2175
2176         korg1212->card = card;
2177         korg1212->pci = pci;
2178
2179         init_waitqueue_head(&korg1212->wait);
2180         spin_lock_init(&korg1212->lock);
2181         init_MUTEX(&korg1212->open_mutex);
2182         init_timer(&korg1212->timer);
2183         korg1212->timer.function = snd_korg1212_timer_func;
2184         korg1212->timer.data = (unsigned long)korg1212;
2185
2186         korg1212->irq = -1;
2187         korg1212->clkSource = K1212_CLKIDX_Local;
2188         korg1212->clkRate = 44100;
2189         korg1212->inIRQ = 0;
2190         korg1212->running = 0;
2191         korg1212->opencnt = 0;
2192         korg1212->playcnt = 0;
2193         korg1212->setcnt = 0;
2194         korg1212->totalerrorcnt = 0;
2195         korg1212->playback_pid = -1;
2196         korg1212->capture_pid = -1;
2197         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2198         korg1212->idleMonitorOn = 0;
2199         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2200         korg1212->leftADCInSens = k1212MaxADCSens;
2201         korg1212->rightADCInSens = k1212MaxADCSens;
2202
2203         for (i=0; i<kAudioChannels; i++)
2204                 korg1212->volumePhase[i] = 0;
2205
2206         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2207                 kfree(korg1212);
2208                 pci_disable_device(pci);
2209                 return err;
2210         }
2211
2212         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2213         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2214         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2215
2216         iomem_size = pci_resource_len(korg1212->pci, 0);
2217         ioport_size = pci_resource_len(korg1212->pci, 1);
2218         iomem2_size = pci_resource_len(korg1212->pci, 2);
2219
2220         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2221                    "    iomem = 0x%lx (%d)\n"
2222                    "    ioport  = 0x%lx (%d)\n"
2223                    "    iomem = 0x%lx (%d)\n"
2224                    "    [%s]\n",
2225                    korg1212->iomem, iomem_size,
2226                    korg1212->ioport, ioport_size,
2227                    korg1212->iomem2, iomem2_size,
2228                    stateName[korg1212->cardState]);
2229
2230         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2231                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2232                            korg1212->iomem + iomem_size - 1);
2233                 snd_korg1212_free(korg1212);
2234                 return -EBUSY;
2235         }
2236
2237         err = request_irq(pci->irq, snd_korg1212_interrupt,
2238                           SA_INTERRUPT|SA_SHIRQ,
2239                           "korg1212", korg1212);
2240
2241         if (err) {
2242                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2243                 snd_korg1212_free(korg1212);
2244                 return -EBUSY;
2245         }
2246
2247         korg1212->irq = pci->irq;
2248
2249         pci_set_master(korg1212->pci);
2250
2251         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2252         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2253         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2254         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2255         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2256         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2257         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2258         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2259         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2260         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2261
2262         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2263                    "    Status register = 0x%p\n"
2264                    "    OutDoorbell     = 0x%p\n"
2265                    "    InDoorbell      = 0x%p\n"
2266                    "    Mailbox0        = 0x%p\n"
2267                    "    Mailbox1        = 0x%p\n"
2268                    "    Mailbox2        = 0x%p\n"
2269                    "    Mailbox3        = 0x%p\n"
2270                    "    ControlReg      = 0x%p\n"
2271                    "    SensReg         = 0x%p\n"
2272                    "    IDReg           = 0x%p\n"
2273                    "    [%s]\n",
2274                    korg1212->statusRegPtr,
2275                    korg1212->outDoorbellPtr,
2276                    korg1212->inDoorbellPtr,
2277                    korg1212->mailbox0Ptr,
2278                    korg1212->mailbox1Ptr,
2279                    korg1212->mailbox2Ptr,
2280                    korg1212->mailbox3Ptr,
2281                    korg1212->controlRegPtr,
2282                    korg1212->sensRegPtr,
2283                    korg1212->idRegPtr,
2284                    stateName[korg1212->cardState]);
2285
2286         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2287                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2288                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2289                 snd_korg1212_free(korg1212);
2290                 return -ENOMEM;
2291         }
2292         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2293         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2294
2295         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2296
2297 #ifndef K1212_LARGEALLOC
2298
2299         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2300
2301         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2302                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2303                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2304                 snd_korg1212_free(korg1212);
2305                 return -ENOMEM;
2306         }
2307         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2308         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2309
2310         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2311                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2312
2313         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2314                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2315                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2316                 snd_korg1212_free(korg1212);
2317                 return -ENOMEM;
2318         }
2319         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2320         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2321
2322         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2323                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2324
2325 #else // K1212_LARGEALLOC
2326
2327         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2328         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2329         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2330         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2331
2332 #endif // K1212_LARGEALLOC
2333
2334         korg1212->dspCodeSize = sizeof (dspCode);
2335
2336         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2337                 offsetof(struct KorgSharedBuffer, volumeData);
2338         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2339                 offsetof(struct KorgSharedBuffer, routeData);
2340         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2341                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2342
2343         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2344                                 korg1212->dspCodeSize, &korg1212->dma_dsp) < 0) {
2345                 snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
2346                 snd_korg1212_free(korg1212);
2347                 return -ENOMEM;
2348         }
2349
2350         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2351                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, korg1212->dspCodeSize,
2352                    stateName[korg1212->cardState]);
2353
2354         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2355
2356         if (rc)
2357                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2358
2359         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2360                 snd_korg1212_free(korg1212);
2361                 return err;
2362         }
2363
2364         snd_korg1212_EnableCardInterrupts(korg1212);
2365
2366         mdelay(CARD_BOOT_DELAY_IN_MS);
2367
2368         if (snd_korg1212_downloadDSPCode(korg1212))
2369                 return -EBUSY;
2370
2371         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2372                "PlayDataPhy = %08x L[%08x]\n"
2373                "korg1212: RecDataPhy = %08x L[%08x], "
2374                "VolumeTablePhy = %08x L[%08x]\n"
2375                "korg1212: RoutingTablePhy = %08x L[%08x], "
2376                "AdatTimeCodePhy = %08x L[%08x]\n",
2377                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2378                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2379                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2380                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2381                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2382                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2383
2384         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2385                 return err;
2386
2387         korg1212->pcm->private_data = korg1212;
2388         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2389         strcpy(korg1212->pcm->name, "korg1212");
2390
2391         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2392
2393         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2394
2395         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2396
2397         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2398                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2399                 if (err < 0)
2400                         return err;
2401         }
2402
2403         snd_korg1212_proc_init(korg1212);
2404
2405         snd_card_set_dev(card, &pci->dev);
2406
2407         * rchip = korg1212;
2408         return 0;
2409
2410 }
2411
2412 /*
2413  * Card initialisation
2414  */
2415
2416 static int __devinit
2417 snd_korg1212_probe(struct pci_dev *pci,
2418                 const struct pci_device_id *pci_id)
2419 {
2420         static int dev;
2421         struct snd_korg1212 *korg1212;
2422         struct snd_card *card;
2423         int err;
2424
2425         if (dev >= SNDRV_CARDS) {
2426                 return -ENODEV;
2427         }
2428         if (!enable[dev]) {
2429                 dev++;
2430                 return -ENOENT;
2431         }
2432         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2433         if (card == NULL)
2434                 return -ENOMEM;
2435
2436         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2437                 snd_card_free(card);
2438                 return err;
2439         }
2440
2441         strcpy(card->driver, "korg1212");
2442         strcpy(card->shortname, "korg1212");
2443         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2444                 korg1212->iomem, korg1212->irq);
2445
2446         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2447
2448         if ((err = snd_card_register(card)) < 0) {
2449                 snd_card_free(card);
2450                 return err;
2451         }
2452         pci_set_drvdata(pci, card);
2453         dev++;
2454         return 0;
2455 }
2456
2457 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2458 {
2459         snd_card_free(pci_get_drvdata(pci));
2460         pci_set_drvdata(pci, NULL);
2461 }
2462
2463 static struct pci_driver driver = {
2464         .name = "korg1212",
2465         .id_table = snd_korg1212_ids,
2466         .probe = snd_korg1212_probe,
2467         .remove = __devexit_p(snd_korg1212_remove),
2468 };
2469
2470 static int __init alsa_card_korg1212_init(void)
2471 {
2472         return pci_register_driver(&driver);
2473 }
2474
2475 static void __exit alsa_card_korg1212_exit(void)
2476 {
2477         pci_unregister_driver(&driver);
2478 }
2479
2480 module_init(alsa_card_korg1212_init)
2481 module_exit(alsa_card_korg1212_exit)