linux/sound/pci/korg1212/korg1212.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   Driver for the Korg 1212 IO PCI card
   4 *
   5 *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
   6 */
   7
   8#include <linux/delay.h>
   9#include <linux/init.h>
  10#include <linux/interrupt.h>
  11#include <linux/pci.h>
  12#include <linux/slab.h>
  13#include <linux/wait.h>
  14#include <linux/module.h>
  15#include <linux/mutex.h>
  16#include <linux/firmware.h>
  17#include <linux/io.h>
  18
  19#include <sound/core.h>
  20#include <sound/info.h>
  21#include <sound/control.h>
  22#include <sound/pcm.h>
  23#include <sound/pcm_params.h>
  24#include <sound/initval.h>
  25
  26// ----------------------------------------------------------------------------
  27// Debug Stuff
  28// ----------------------------------------------------------------------------
  29#define K1212_DEBUG_LEVEL               0
  30#if K1212_DEBUG_LEVEL > 0
  31#define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  32#else
  33#define K1212_DEBUG_PRINTK(fmt,...)     do { } while (0)
  34#endif
  35#if K1212_DEBUG_LEVEL > 1
  36#define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  37#else
  38#define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  39#endif
  40
  41// ----------------------------------------------------------------------------
  42// Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
  43// buffers are alocated as a large piece inside KorgSharedBuffer.
  44// ----------------------------------------------------------------------------
  45//#define K1212_LARGEALLOC              1
  46
  47// ----------------------------------------------------------------------------
  48// Valid states of the Korg 1212 I/O card.
  49// ----------------------------------------------------------------------------
  50enum CardState {
  51   K1212_STATE_NONEXISTENT,             // there is no card here
  52   K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  53   K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  54   K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  55   K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  56                                        //    requests prior to this state should fail.  Only an open
  57                                        //    request can be made at this state.
  58   K1212_STATE_OPEN,                    // an application has opened the card
  59   K1212_STATE_SETUP,                   // the card has been setup for play
  60   K1212_STATE_PLAYING,                 // the card is playing
  61   K1212_STATE_MONITOR,                 // the card is in the monitor mode
  62   K1212_STATE_CALIBRATING,             // the card is currently calibrating
  63   K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  64                                        //    are in the process of cleaning things up.
  65   K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  66};
  67
  68// ----------------------------------------------------------------------------
  69// The following enumeration defines the constants written to the card's
  70// host-to-card doorbell to initiate a command.
  71// ----------------------------------------------------------------------------
  72enum korg1212_dbcnst {
  73   K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  74   K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  75   K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  76   K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  77   K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  78   K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  79   K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  80   K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  81                                          //    timecode value.
  82   K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  83   K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  84   K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
  85   K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
  86                                          //    on page 4 (local page to card).
  87   K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
  88                                          //    completed.
  89   K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
  90};
  91
  92
  93// ----------------------------------------------------------------------------
  94// The following enumeration defines return codes 
  95// to the Korg 1212 I/O driver.
  96// ----------------------------------------------------------------------------
  97enum snd_korg1212rc {
  98   K1212_CMDRET_Success         = 0,   // command was successfully placed
  99   K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 100   K1212_CMDRET_PMFailure,             // the protected mode call failed
 101   K1212_CMDRET_FailUnspecified,       // unspecified failure
 102   K1212_CMDRET_FailBadState,          // the specified command can not be given in
 103                                       //    the card's current state. (or the wave device's
 104                                       //    state)
 105   K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 106   K1212_CMDRET_BadIndex,              // an out of range card index was specified
 107   K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 108   K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 109   K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 110   K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 111   K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 112
 113   K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 114   K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 115};
 116
 117// ----------------------------------------------------------------------------
 118// The following enumeration defines the constants used to select the play
 119// mode for the card in the SelectPlayMode command.
 120// ----------------------------------------------------------------------------
 121enum PlayModeSelector {
 122   K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 123   K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 124   K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 125   K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 126};
 127
 128// ----------------------------------------------------------------------------
 129// The following enumeration defines the constants used to select the monitor
 130// mode for the card in the SetMonitorMode command.
 131// ----------------------------------------------------------------------------
 132enum MonitorModeSelector {
 133   K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 134   K1212_MONMODE_On            // tells card to turn on monitor mode
 135};
 136
 137#define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 138#define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 139#define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 140#define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 141#define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 142#define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 143#define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 144#define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 145                                        //    register
 146#define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 147                                        //    this is the upper word of the PCI control reg.
 148#define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 149
 150#define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 151                                       //    to send a command before giving up.
 152#define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 153                                        //    the card.
 154#define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 155
 156#define CARD_BOOT_DELAY_IN_MS  10
 157#define CARD_BOOT_TIMEOUT      10
 158#define DSP_BOOT_DELAY_IN_MS   200
 159
 160#define kNumBuffers             8
 161#define k1212MaxCards           4
 162#define k1212NumWaveDevices     6
 163#define k16BitChannels          10
 164#define k32BitChannels          2
 165#define kAudioChannels          (k16BitChannels + k32BitChannels)
 166#define kPlayBufferFrames       1024
 167
 168#define K1212_ANALOG_CHANNELS   2
 169#define K1212_SPDIF_CHANNELS    2
 170#define K1212_ADAT_CHANNELS     8
 171#define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 172#define K1212_MIN_CHANNELS      1
 173#define K1212_MAX_CHANNELS      K1212_CHANNELS
 174#define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 175#define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 176#define K1212_PERIODS           (kNumBuffers)
 177#define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 178#define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 179#define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 180#define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 181#define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 182#define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 183
 184#define k1212MinADCSens     0x00
 185#define k1212MaxADCSens     0x7f
 186#define k1212MaxVolume      0x7fff
 187#define k1212MaxWaveVolume  0xffff
 188#define k1212MinVolume      0x0000
 189#define k1212MaxVolInverted 0x8000
 190
 191// -----------------------------------------------------------------
 192// the following bits are used for controlling interrupts in the
 193// interrupt control/status reg
 194// -----------------------------------------------------------------
 195#define  PCI_INT_ENABLE_BIT               0x00000100
 196#define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 197#define  LOCAL_INT_ENABLE_BIT             0x00010000
 198#define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 199#define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 200
 201// -----------------------------------------------------------------
 202// the following bits are defined for the PCI command register
 203// -----------------------------------------------------------------
 204#define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 205#define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 206#define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 207
 208// -----------------------------------------------------------------
 209// the following bits are defined for the PCI status register
 210// -----------------------------------------------------------------
 211#define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 212#define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 213#define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 214#define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 215#define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 216
 217// ------------------------------------------------------------------------
 218// the following constants are used in setting the 1212 I/O card's input
 219// sensitivity.
 220// ------------------------------------------------------------------------
 221#define  SET_SENS_LOCALINIT_BITPOS        15
 222#define  SET_SENS_DATA_BITPOS             10
 223#define  SET_SENS_CLOCK_BITPOS            8
 224#define  SET_SENS_LOADSHIFT_BITPOS        0
 225
 226#define  SET_SENS_LEFTCHANID              0x00
 227#define  SET_SENS_RIGHTCHANID             0x01
 228
 229#define  K1212SENSUPDATE_DELAY_IN_MS      50
 230
 231// --------------------------------------------------------------------------
 232// WaitRTCTicks
 233//
 234//    This function waits the specified number of real time clock ticks.
 235//    According to the DDK, each tick is ~0.8 microseconds.
 236//    The defines following the function declaration can be used for the
 237//    numTicksToWait parameter.
 238// --------------------------------------------------------------------------
 239#define ONE_RTC_TICK         1
 240#define SENSCLKPULSE_WIDTH   4
 241#define LOADSHIFT_DELAY      4
 242#define INTERCOMMAND_DELAY  40
 243#define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 244                                       //    the command register.  (could be up to 180 us)
 245#define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 246                                       //    from the card after sending a command.
 247
 248enum ClockSourceIndex {
 249   K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 250   K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 251   K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 252   K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 253   K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 254   K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 255   K1212_CLKIDX_Invalid             // used to check validity of the index
 256};
 257
 258enum ClockSourceType {
 259   K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 260   K1212_CLKIDX_Word,        // selects source as S/PDIF
 261   K1212_CLKIDX_Local        // selects source as local clock
 262};
 263
 264struct KorgAudioFrame {
 265        u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 266        u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 267        u32 timeCodeVal; /* holds the ADAT timecode value */
 268};
 269
 270struct KorgAudioBuffer {
 271        struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 272};
 273
 274struct KorgSharedBuffer {
 275#ifdef K1212_LARGEALLOC
 276   struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 277   struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 278#endif
 279   short             volumeData[kAudioChannels];
 280   u32               cardCommand;
 281   u16               routeData [kAudioChannels];
 282   u32               AdatTimeCode;                 // ADAT timecode value
 283};
 284
 285struct SensBits {
 286   union {
 287      struct {
 288         unsigned int leftChanVal:8;
 289         unsigned int leftChanId:8;
 290      } v;
 291      u16  leftSensBits;
 292   } l;
 293   union {
 294      struct {
 295         unsigned int rightChanVal:8;
 296         unsigned int rightChanId:8;
 297      } v;
 298      u16  rightSensBits;
 299   } r;
 300};
 301
 302struct snd_korg1212 {
 303        struct snd_card *card;
 304        struct pci_dev *pci;
 305        struct snd_pcm *pcm;
 306        int irq;
 307
 308        spinlock_t    lock;
 309        struct mutex open_mutex;
 310
 311        struct timer_list timer;        /* timer callback for checking ack of stop request */
 312        int stop_pending_cnt;           /* counter for stop pending check */
 313
 314        wait_queue_head_t wait;
 315
 316        unsigned long iomem;
 317        unsigned long ioport;
 318        unsigned long iomem2;
 319        unsigned long irqcount;
 320        unsigned long inIRQ;
 321        void __iomem *iobase;
 322
 323        struct snd_dma_buffer dma_dsp;
 324        struct snd_dma_buffer dma_play;
 325        struct snd_dma_buffer dma_rec;
 326        struct snd_dma_buffer dma_shared;
 327
 328        u32 DataBufsSize;
 329
 330        struct KorgAudioBuffer  * playDataBufsPtr;
 331        struct KorgAudioBuffer  * recordDataBufsPtr;
 332
 333        struct KorgSharedBuffer * sharedBufferPtr;
 334
 335        u32 RecDataPhy;
 336        u32 PlayDataPhy;
 337        unsigned long sharedBufferPhy;
 338        u32 VolumeTablePhy;
 339        u32 RoutingTablePhy;
 340        u32 AdatTimeCodePhy;
 341
 342        u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 343        u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 344        u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 345        u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 346        u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 347        u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 348        u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 349        u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 350        u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 351        u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 352
 353        size_t periodsize;
 354        int channels;
 355        int currentBuffer;
 356
 357        struct snd_pcm_substream *playback_substream;
 358        struct snd_pcm_substream *capture_substream;
 359
 360        pid_t capture_pid;
 361        pid_t playback_pid;
 362
 363        enum CardState cardState;
 364        int running;
 365        int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 366        u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 367
 368        enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 369
 370        enum ClockSourceType clkSource;   // clock source
 371        int clkRate;                 // clock rate
 372
 373        int volumePhase[kAudioChannels];
 374
 375        u16 leftADCInSens;           // ADC left channel input sensitivity
 376        u16 rightADCInSens;          // ADC right channel input sensitivity
 377
 378        int opencnt;                 // Open/Close count
 379        int setcnt;                  // SetupForPlay count
 380        int playcnt;                 // TriggerPlay count
 381        int errorcnt;                // Error Count
 382        unsigned long totalerrorcnt; // Total Error Count
 383
 384        int dsp_is_loaded;
 385        int dsp_stop_is_processed;
 386
 387};
 388
 389MODULE_DESCRIPTION("korg1212");
 390MODULE_LICENSE("GPL");
 391MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 392MODULE_FIRMWARE("korg/k1212.dsp");
 393
 394static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 395static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 396static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 397
 398module_param_array(index, int, NULL, 0444);
 399MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 400module_param_array(id, charp, NULL, 0444);
 401MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 402module_param_array(enable, bool, NULL, 0444);
 403MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 404MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 405
 406static const struct pci_device_id snd_korg1212_ids[] = {
 407        {
 408                .vendor    = 0x10b5,
 409                .device    = 0x906d,
 410                .subvendor = PCI_ANY_ID,
 411                .subdevice = PCI_ANY_ID,
 412        },
 413        { 0, },
 414};
 415
 416MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 417
 418static const char * const stateName[] = {
 419        "Non-existent",
 420        "Uninitialized",
 421        "DSP download in process",
 422        "DSP download complete",
 423        "Ready",
 424        "Open",
 425        "Setup for play",
 426        "Playing",
 427        "Monitor mode on",
 428        "Calibrating",
 429        "Invalid"
 430};
 431
 432static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 433
 434static const char * const clockSourceName[] = {
 435        "ADAT at 44.1 kHz",
 436        "ADAT at 48 kHz",
 437        "S/PDIF at 44.1 kHz",
 438        "S/PDIF at 48 kHz",
 439        "local clock at 44.1 kHz",
 440        "local clock at 48 kHz"
 441};
 442
 443static const char * const channelName[] = {
 444        "ADAT-1",
 445        "ADAT-2",
 446        "ADAT-3",
 447        "ADAT-4",
 448        "ADAT-5",
 449        "ADAT-6",
 450        "ADAT-7",
 451        "ADAT-8",
 452        "Analog-L",
 453        "Analog-R",
 454        "SPDIF-L",
 455        "SPDIF-R",
 456};
 457
 458static const u16 ClockSourceSelector[] = {
 459        0x8000,   // selects source as ADAT at 44.1 kHz
 460        0x0000,   // selects source as ADAT at 48 kHz
 461        0x8001,   // selects source as S/PDIF at 44.1 kHz
 462        0x0001,   // selects source as S/PDIF at 48 kHz
 463        0x8002,   // selects source as local clock at 44.1 kHz
 464        0x0002    // selects source as local clock at 48 kHz
 465};
 466
 467union swap_u32 { unsigned char c[4]; u32 i; };
 468
 469#ifdef SNDRV_BIG_ENDIAN
 470static u32 LowerWordSwap(u32 swappee)
 471#else
 472static u32 UpperWordSwap(u32 swappee)
 473#endif
 474{
 475   union swap_u32 retVal, swapper;
 476
 477   swapper.i = swappee;
 478   retVal.c[2] = swapper.c[3];
 479   retVal.c[3] = swapper.c[2];
 480   retVal.c[1] = swapper.c[1];
 481   retVal.c[0] = swapper.c[0];
 482
 483   return retVal.i;
 484}
 485
 486#ifdef SNDRV_BIG_ENDIAN
 487static u32 UpperWordSwap(u32 swappee)
 488#else
 489static u32 LowerWordSwap(u32 swappee)
 490#endif
 491{
 492   union swap_u32 retVal, swapper;
 493
 494   swapper.i = swappee;
 495   retVal.c[2] = swapper.c[2];
 496   retVal.c[3] = swapper.c[3];
 497   retVal.c[1] = swapper.c[0];
 498   retVal.c[0] = swapper.c[1];
 499
 500   return retVal.i;
 501}
 502
 503#define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 504#define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 505#define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 506#define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 507
 508static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 509                                        enum korg1212_dbcnst doorbellVal,
 510                                        u32 mailBox0Val, u32 mailBox1Val,
 511                                        u32 mailBox2Val, u32 mailBox3Val)
 512{
 513        u32 retryCount;
 514        u16 mailBox3Lo;
 515        int rc = K1212_CMDRET_Success;
 516
 517        if (!korg1212->outDoorbellPtr) {
 518                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 519                return K1212_CMDRET_CardUninitialized;
 520        }
 521
 522        K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 523                           doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 524        for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 525                writel(mailBox3Val, korg1212->mailbox3Ptr);
 526                writel(mailBox2Val, korg1212->mailbox2Ptr);
 527                writel(mailBox1Val, korg1212->mailbox1Ptr);
 528                writel(mailBox0Val, korg1212->mailbox0Ptr);
 529                writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 530
 531                // --------------------------------------------------------------
 532                // the reboot command will not give an acknowledgement.
 533                // --------------------------------------------------------------
 534                if ( doorbellVal == K1212_DB_RebootCard ||
 535                        doorbellVal == K1212_DB_BootFromDSPPage4 ||
 536                        doorbellVal == K1212_DB_StartDSPDownload ) {
 537                        rc = K1212_CMDRET_Success;
 538                        break;
 539                }
 540
 541                // --------------------------------------------------------------
 542                // See if the card acknowledged the command.  Wait a bit, then
 543                // read in the low word of mailbox3.  If the MSB is set and the
 544                // low byte is equal to the doorbell value, then it ack'd.
 545                // --------------------------------------------------------------
 546                udelay(COMMAND_ACK_DELAY);
 547                mailBox3Lo = readl(korg1212->mailbox3Ptr);
 548                if (mailBox3Lo & COMMAND_ACK_MASK) {
 549                        if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 550                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 551                                rc = K1212_CMDRET_Success;
 552                                break;
 553                        }
 554                }
 555        }
 556        korg1212->cmdRetryCount += retryCount;
 557
 558        if (retryCount >= MAX_COMMAND_RETRIES) {
 559                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 560                rc = K1212_CMDRET_NoAckFromCard;
 561        }
 562
 563        return rc;
 564}
 565
 566/* spinlock already held */
 567static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 568{
 569        if (! korg1212->stop_pending_cnt) {
 570                korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 571                /* program the timer */
 572                korg1212->stop_pending_cnt = HZ;
 573                mod_timer(&korg1212->timer, jiffies + 1);
 574        }
 575}
 576
 577static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 578{
 579        unsigned long flags;
 580        spin_lock_irqsave(&korg1212->lock, flags);
 581        korg1212->dsp_stop_is_processed = 0;
 582        snd_korg1212_SendStop(korg1212);
 583        spin_unlock_irqrestore(&korg1212->lock, flags);
 584        wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 585}
 586
 587/* timer callback for checking the ack of stop request */
 588static void snd_korg1212_timer_func(struct timer_list *t)
 589{
 590        struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
 591        unsigned long flags;
 592        
 593        spin_lock_irqsave(&korg1212->lock, flags);
 594        if (korg1212->sharedBufferPtr->cardCommand == 0) {
 595                /* ack'ed */
 596                korg1212->stop_pending_cnt = 0;
 597                korg1212->dsp_stop_is_processed = 1;
 598                wake_up(&korg1212->wait);
 599                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 600                                           stateName[korg1212->cardState]);
 601        } else {
 602                if (--korg1212->stop_pending_cnt > 0) {
 603                        /* reprogram timer */
 604                        mod_timer(&korg1212->timer, jiffies + 1);
 605                } else {
 606                        snd_printd("korg1212_timer_func timeout\n");
 607                        korg1212->sharedBufferPtr->cardCommand = 0;
 608                        korg1212->dsp_stop_is_processed = 1;
 609                        wake_up(&korg1212->wait);
 610                        K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 611                                           stateName[korg1212->cardState]);
 612                }
 613        }
 614        spin_unlock_irqrestore(&korg1212->lock, flags);
 615}
 616
 617static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 618{
 619        unsigned long flags;
 620        int rc;
 621
 622        udelay(INTERCOMMAND_DELAY);
 623        spin_lock_irqsave(&korg1212->lock, flags);
 624        korg1212->idleMonitorOn = 1;
 625        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 626                                          K1212_MODE_MonitorOn, 0, 0, 0);
 627        spin_unlock_irqrestore(&korg1212->lock, flags);
 628        return rc;
 629}
 630
 631static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 632{
 633        if (korg1212->idleMonitorOn) {
 634                snd_korg1212_SendStopAndWait(korg1212);
 635                korg1212->idleMonitorOn = 0;
 636        }
 637}
 638
 639static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 640{
 641        korg1212->cardState = csState;
 642}
 643
 644static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 645{
 646        K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 647                           stateName[korg1212->cardState], korg1212->opencnt);
 648        mutex_lock(&korg1212->open_mutex);
 649        if (korg1212->opencnt++ == 0) {
 650                snd_korg1212_TurnOffIdleMonitor(korg1212);
 651                snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 652        }
 653
 654        mutex_unlock(&korg1212->open_mutex);
 655        return 1;
 656}
 657
 658static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 659{
 660        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 661                           stateName[korg1212->cardState], korg1212->opencnt);
 662
 663        mutex_lock(&korg1212->open_mutex);
 664        if (--(korg1212->opencnt)) {
 665                mutex_unlock(&korg1212->open_mutex);
 666                return 0;
 667        }
 668
 669        if (korg1212->cardState == K1212_STATE_SETUP) {
 670                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 671                                K1212_MODE_StopPlay, 0, 0, 0);
 672                if (rc)
 673                        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 674                                           rc, stateName[korg1212->cardState]);
 675                if (rc != K1212_CMDRET_Success) {
 676                        mutex_unlock(&korg1212->open_mutex);
 677                        return 0;
 678                }
 679        } else if (korg1212->cardState > K1212_STATE_SETUP) {
 680                snd_korg1212_SendStopAndWait(korg1212);
 681        }
 682
 683        if (korg1212->cardState > K1212_STATE_READY) {
 684                snd_korg1212_TurnOnIdleMonitor(korg1212);
 685                snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 686        }
 687
 688        mutex_unlock(&korg1212->open_mutex);
 689        return 0;
 690}
 691
 692/* spinlock already held */
 693static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 694{
 695        int rc;
 696
 697        K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 698                           stateName[korg1212->cardState], korg1212->setcnt);
 699
 700        if (korg1212->setcnt++)
 701                return 0;
 702
 703        snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 704        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 705                                        K1212_MODE_SetupPlay, 0, 0, 0);
 706        if (rc)
 707                K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 708                                   rc, stateName[korg1212->cardState]);
 709        if (rc != K1212_CMDRET_Success) {
 710                return 1;
 711        }
 712        return 0;
 713}
 714
 715/* spinlock already held */
 716static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 717{
 718        int rc;
 719
 720        K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 721                           stateName[korg1212->cardState], korg1212->playcnt);
 722
 723        if (korg1212->playcnt++)
 724                return 0;
 725
 726        snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 727        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 728        if (rc)
 729                K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 730                                   rc, stateName[korg1212->cardState]);
 731        if (rc != K1212_CMDRET_Success) {
 732                return 1;
 733        }
 734        return 0;
 735}
 736
 737/* spinlock already held */
 738static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 739{
 740        K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 741                           stateName[korg1212->cardState], korg1212->playcnt);
 742
 743        if (--(korg1212->playcnt)) 
 744                return 0;
 745
 746        korg1212->setcnt = 0;
 747
 748        if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 749                snd_korg1212_SendStop(korg1212);
 750
 751        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 752        return 0;
 753}
 754
 755static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 756{
 757        writel(PCI_INT_ENABLE_BIT            |
 758               PCI_DOORBELL_INT_ENABLE_BIT   |
 759               LOCAL_INT_ENABLE_BIT          |
 760               LOCAL_DOORBELL_INT_ENABLE_BIT |
 761               LOCAL_DMA1_INT_ENABLE_BIT,
 762               korg1212->statusRegPtr);
 763}
 764
 765#if 0 /* not used */
 766
 767static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 768                                       enum MonitorModeSelector mode)
 769{
 770        K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 771                           stateName[korg1212->cardState]);
 772
 773        switch (mode) {
 774        case K1212_MONMODE_Off:
 775                if (korg1212->cardState != K1212_STATE_MONITOR)
 776                        return 0;
 777                else {
 778                        snd_korg1212_SendStopAndWait(korg1212);
 779                        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 780                }
 781                break;
 782
 783        case K1212_MONMODE_On:
 784                if (korg1212->cardState != K1212_STATE_OPEN)
 785                        return 0;
 786                else {
 787                        int rc;
 788                        snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 789                        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 790                                                          K1212_MODE_MonitorOn, 0, 0, 0);
 791                        if (rc != K1212_CMDRET_Success)
 792                                return 0;
 793                }
 794                break;
 795
 796        default:
 797                return 0;
 798        }
 799
 800        return 1;
 801}
 802
 803#endif /* not used */
 804
 805static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 806{
 807        if (korg1212->playback_pid != korg1212->capture_pid &&
 808            korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 809                return 0;
 810
 811        return 1;
 812}
 813
 814static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 815{
 816        static const enum ClockSourceIndex s44[] = {
 817                K1212_CLKIDX_AdatAt44_1K,
 818                K1212_CLKIDX_WordAt44_1K,
 819                K1212_CLKIDX_LocalAt44_1K
 820        };
 821        static const enum ClockSourceIndex s48[] = {
 822                K1212_CLKIDX_AdatAt48K,
 823                K1212_CLKIDX_WordAt48K,
 824                K1212_CLKIDX_LocalAt48K
 825        };
 826        int parm, rc;
 827
 828        if (!snd_korg1212_use_is_exclusive (korg1212))
 829                return -EBUSY;
 830
 831        switch (rate) {
 832        case 44100:
 833                parm = s44[korg1212->clkSource];
 834                break;
 835
 836        case 48000:
 837                parm = s48[korg1212->clkSource];
 838                break;
 839
 840        default:
 841                return -EINVAL;
 842        }
 843
 844        korg1212->clkSrcRate = parm;
 845        korg1212->clkRate = rate;
 846
 847        udelay(INTERCOMMAND_DELAY);
 848        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 849                                          ClockSourceSelector[korg1212->clkSrcRate],
 850                                          0, 0, 0);
 851        if (rc)
 852                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 853                                   rc, stateName[korg1212->cardState]);
 854
 855        return 0;
 856}
 857
 858static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 859{
 860
 861        if (source < 0 || source > 2)
 862                return -EINVAL;
 863
 864        korg1212->clkSource = source;
 865
 866        snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 867
 868        return 0;
 869}
 870
 871static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 872{
 873        writel(0, korg1212->statusRegPtr);
 874}
 875
 876static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 877{
 878        struct SensBits  sensVals;
 879        int       bitPosition;
 880        int       channel;
 881        int       clkIs48K;
 882        int       monModeSet;
 883        u16       controlValue;    // this keeps the current value to be written to
 884                                   //  the card's eeprom control register.
 885        u16       count;
 886        unsigned long flags;
 887
 888        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 889                           stateName[korg1212->cardState]);
 890
 891        // ----------------------------------------------------------------------------
 892        // initialize things.  The local init bit is always set when writing to the
 893        // card's control register.
 894        // ----------------------------------------------------------------------------
 895        controlValue = 0;
 896        SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 897
 898        // ----------------------------------------------------------------------------
 899        // make sure the card is not in monitor mode when we do this update.
 900        // ----------------------------------------------------------------------------
 901        if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 902                monModeSet = 1;
 903                snd_korg1212_SendStopAndWait(korg1212);
 904        } else
 905                monModeSet = 0;
 906
 907        spin_lock_irqsave(&korg1212->lock, flags);
 908
 909        // ----------------------------------------------------------------------------
 910        // we are about to send new values to the card, so clear the new values queued
 911        // flag.  Also, clear out mailbox 3, so we don't lockup.
 912        // ----------------------------------------------------------------------------
 913        writel(0, korg1212->mailbox3Ptr);
 914        udelay(LOADSHIFT_DELAY);
 915
 916        // ----------------------------------------------------------------------------
 917        // determine whether we are running a 48K or 44.1K clock.  This info is used
 918        // later when setting the SPDIF FF after the volume has been shifted in.
 919        // ----------------------------------------------------------------------------
 920        switch (korg1212->clkSrcRate) {
 921                case K1212_CLKIDX_AdatAt44_1K:
 922                case K1212_CLKIDX_WordAt44_1K:
 923                case K1212_CLKIDX_LocalAt44_1K:
 924                        clkIs48K = 0;
 925                        break;
 926
 927                case K1212_CLKIDX_WordAt48K:
 928                case K1212_CLKIDX_AdatAt48K:
 929                case K1212_CLKIDX_LocalAt48K:
 930                default:
 931                        clkIs48K = 1;
 932                        break;
 933        }
 934
 935        // ----------------------------------------------------------------------------
 936        // start the update.  Setup the bit structure and then shift the bits.
 937        // ----------------------------------------------------------------------------
 938        sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 939        sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 940        sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 941        sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 942
 943        // ----------------------------------------------------------------------------
 944        // now start shifting the bits in.  Start with the left channel then the right.
 945        // ----------------------------------------------------------------------------
 946        for (channel = 0; channel < 2; channel++) {
 947
 948                // ----------------------------------------------------------------------------
 949                // Bring the load/shift line low, then wait - the spec says >150ns from load/
 950                // shift low to the first rising edge of the clock.
 951                // ----------------------------------------------------------------------------
 952                ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 953                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 954                writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 955                udelay(LOADSHIFT_DELAY);
 956
 957                for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 958                        if (channel == 0) {
 959                                if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 960                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 961                                else
 962                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 963                        } else {
 964                                if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 965                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 966                                else
 967                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 968                        }
 969
 970                        ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 971                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 972                        udelay(SENSCLKPULSE_WIDTH);
 973                        SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 974                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 975                        udelay(SENSCLKPULSE_WIDTH);
 976                }
 977
 978                // ----------------------------------------------------------------------------
 979                // finish up SPDIF for left.  Bring the load/shift line high, then write a one
 980                // bit if the clock rate is 48K otherwise write 0.
 981                // ----------------------------------------------------------------------------
 982                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 983                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 984                SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 985                writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
 986                udelay(SENSCLKPULSE_WIDTH);
 987
 988                if (clkIs48K)
 989                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 990
 991                writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
 992                udelay(ONE_RTC_TICK);
 993                SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 994                writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
 995                udelay(SENSCLKPULSE_WIDTH);
 996                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 997                writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
 998                udelay(SENSCLKPULSE_WIDTH);
 999        }
1000
1001        // ----------------------------------------------------------------------------
1002        // The update is complete.  Set a timeout.  This is the inter-update delay.
1003        // Also, if the card was in monitor mode, restore it.
1004        // ----------------------------------------------------------------------------
1005        for (count = 0; count < 10; count++)
1006                udelay(SENSCLKPULSE_WIDTH);
1007
1008        if (monModeSet) {
1009                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1010                                K1212_MODE_MonitorOn, 0, 0, 0);
1011                if (rc)
1012                        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1013                                           rc, stateName[korg1212->cardState]);
1014        }
1015
1016        spin_unlock_irqrestore(&korg1212->lock, flags);
1017
1018        return 1;
1019}
1020
1021static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1022{
1023        int channel, rc;
1024
1025        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1026                           stateName[korg1212->cardState]);
1027
1028        // ----------------------------------------------------
1029        // tell the card to boot
1030        // ----------------------------------------------------
1031        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1032
1033        if (rc)
1034                K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1035                                   rc, stateName[korg1212->cardState]);
1036        msleep(DSP_BOOT_DELAY_IN_MS);
1037
1038        // --------------------------------------------------------------------------------
1039        // Let the card know where all the buffers are.
1040        // --------------------------------------------------------------------------------
1041        rc = snd_korg1212_Send1212Command(korg1212,
1042                        K1212_DB_ConfigureBufferMemory,
1043                        LowerWordSwap(korg1212->PlayDataPhy),
1044                        LowerWordSwap(korg1212->RecDataPhy),
1045                        ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1046                                                                   // is based on 2 buffers
1047                        0
1048        );
1049
1050        if (rc)
1051                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1052                                   rc, stateName[korg1212->cardState]);
1053
1054        udelay(INTERCOMMAND_DELAY);
1055
1056        rc = snd_korg1212_Send1212Command(korg1212,
1057                        K1212_DB_ConfigureMiscMemory,
1058                        LowerWordSwap(korg1212->VolumeTablePhy),
1059                        LowerWordSwap(korg1212->RoutingTablePhy),
1060                        LowerWordSwap(korg1212->AdatTimeCodePhy),
1061                        0
1062        );
1063
1064        if (rc)
1065                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1066                                   rc, stateName[korg1212->cardState]);
1067
1068        // --------------------------------------------------------------------------------
1069        // Initialize the routing and volume tables, then update the card's state.
1070        // --------------------------------------------------------------------------------
1071        udelay(INTERCOMMAND_DELAY);
1072
1073        for (channel = 0; channel < kAudioChannels; channel++) {
1074                korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1075                //korg1212->sharedBufferPtr->routeData[channel] = channel;
1076                korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1077        }
1078
1079        snd_korg1212_WriteADCSensitivity(korg1212);
1080
1081        udelay(INTERCOMMAND_DELAY);
1082        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1083                                          ClockSourceSelector[korg1212->clkSrcRate],
1084                                          0, 0, 0);
1085        if (rc)
1086                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1087                                   rc, stateName[korg1212->cardState]);
1088
1089        rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1090        snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1091
1092        if (rc)
1093                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1094                                   rc, stateName[korg1212->cardState]);
1095
1096        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1097}
1098
1099static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1100{
1101        u32 doorbellValue;
1102        struct snd_korg1212 *korg1212 = dev_id;
1103
1104        doorbellValue = readl(korg1212->inDoorbellPtr);
1105
1106        if (!doorbellValue)
1107                return IRQ_NONE;
1108
1109        spin_lock(&korg1212->lock);
1110
1111        writel(doorbellValue, korg1212->inDoorbellPtr);
1112
1113        korg1212->irqcount++;
1114
1115        korg1212->inIRQ++;
1116
1117        switch (doorbellValue) {
1118                case K1212_DB_DSPDownloadDone:
1119                        K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1120                                           korg1212->irqcount, doorbellValue,
1121                                           stateName[korg1212->cardState]);
1122                        if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1123                                korg1212->dsp_is_loaded = 1;
1124                                wake_up(&korg1212->wait);
1125                        }
1126                        break;
1127
1128                // ------------------------------------------------------------------------
1129                // an error occurred - stop the card
1130                // ------------------------------------------------------------------------
1131                case K1212_DB_DMAERROR:
1132                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1133                                                   korg1212->irqcount, doorbellValue,
1134                                                   stateName[korg1212->cardState]);
1135                        snd_printk(KERN_ERR "korg1212: DMA Error\n");
1136                        korg1212->errorcnt++;
1137                        korg1212->totalerrorcnt++;
1138                        korg1212->sharedBufferPtr->cardCommand = 0;
1139                        snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1140                        break;
1141
1142                // ------------------------------------------------------------------------
1143                // the card has stopped by our request.  Clear the command word and signal
1144                // the semaphore in case someone is waiting for this.
1145                // ------------------------------------------------------------------------
1146                case K1212_DB_CARDSTOPPED:
1147                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1148                                                   korg1212->irqcount, doorbellValue,
1149                                                   stateName[korg1212->cardState]);
1150                        korg1212->sharedBufferPtr->cardCommand = 0;
1151                        break;
1152
1153                default:
1154                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1155                               korg1212->irqcount, doorbellValue, 
1156                               korg1212->currentBuffer, stateName[korg1212->cardState]);
1157                        if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1158                                korg1212->currentBuffer++;
1159
1160                                if (korg1212->currentBuffer >= kNumBuffers)
1161                                        korg1212->currentBuffer = 0;
1162
1163                                if (!korg1212->running)
1164                                        break;
1165
1166                                if (korg1212->capture_substream) {
1167                                        spin_unlock(&korg1212->lock);
1168                                        snd_pcm_period_elapsed(korg1212->capture_substream);
1169                                        spin_lock(&korg1212->lock);
1170                                }
1171
1172                                if (korg1212->playback_substream) {
1173                                        spin_unlock(&korg1212->lock);
1174                                        snd_pcm_period_elapsed(korg1212->playback_substream);
1175                                        spin_lock(&korg1212->lock);
1176                                }
1177                        }
1178                        break;
1179        }
1180
1181        korg1212->inIRQ--;
1182
1183        spin_unlock(&korg1212->lock);
1184
1185        return IRQ_HANDLED;
1186}
1187
1188static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1189{
1190        int rc;
1191
1192        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1193                           stateName[korg1212->cardState]);
1194
1195        // ---------------------------------------------------------------
1196        // verify the state of the card before proceeding.
1197        // ---------------------------------------------------------------
1198        if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1199                return 1;
1200
1201        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1202
1203        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1204                                     UpperWordSwap(korg1212->dma_dsp.addr),
1205                                     0, 0, 0);
1206        if (rc)
1207                K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1208                                   rc, stateName[korg1212->cardState]);
1209
1210        korg1212->dsp_is_loaded = 0;
1211        wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1212        if (! korg1212->dsp_is_loaded )
1213                return -EBUSY; /* timeout */
1214
1215        snd_korg1212_OnDSPDownloadComplete(korg1212);
1216
1217        return 0;
1218}
1219
1220static const struct snd_pcm_hardware snd_korg1212_playback_info =
1221{
1222        .info =              (SNDRV_PCM_INFO_MMAP |
1223                              SNDRV_PCM_INFO_MMAP_VALID |
1224                              SNDRV_PCM_INFO_INTERLEAVED |
1225                              SNDRV_PCM_INFO_BATCH),
1226        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1227        .rates =              (SNDRV_PCM_RATE_44100 |
1228                              SNDRV_PCM_RATE_48000),
1229        .rate_min =           44100,
1230        .rate_max =           48000,
1231        .channels_min =       K1212_MIN_CHANNELS,
1232        .channels_max =       K1212_MAX_CHANNELS,
1233        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1234        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1235        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1236        .periods_min =        K1212_PERIODS,
1237        .periods_max =        K1212_PERIODS,
1238        .fifo_size =          0,
1239};
1240
1241static const struct snd_pcm_hardware snd_korg1212_capture_info =
1242{
1243        .info =              (SNDRV_PCM_INFO_MMAP |
1244                              SNDRV_PCM_INFO_MMAP_VALID |
1245                              SNDRV_PCM_INFO_INTERLEAVED |
1246                              SNDRV_PCM_INFO_BATCH),
1247        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1248        .rates =              (SNDRV_PCM_RATE_44100 |
1249                              SNDRV_PCM_RATE_48000),
1250        .rate_min =           44100,
1251        .rate_max =           48000,
1252        .channels_min =       K1212_MIN_CHANNELS,
1253        .channels_max =       K1212_MAX_CHANNELS,
1254        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1255        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1256        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1257        .periods_min =        K1212_PERIODS,
1258        .periods_max =        K1212_PERIODS,
1259        .fifo_size =          0,
1260};
1261
1262static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1263{
1264        struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1265        int i;
1266
1267        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1268                                   pos, offset, size, count);
1269        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1270                return -EINVAL;
1271
1272        for (i=0; i < count; i++) {
1273#if K1212_DEBUG_LEVEL > 0
1274                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1275                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1276                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1277                               dst, i);
1278                        return -EFAULT;
1279                }
1280#endif
1281                memset((void*) dst + offset, 0, size);
1282                dst++;
1283        }
1284
1285        return 0;
1286}
1287
1288static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1289                                void __user *dst, int pos, int count,
1290                                bool in_kernel)
1291{
1292        struct snd_pcm_runtime *runtime = substream->runtime;
1293        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1294        struct KorgAudioFrame *src;
1295        int i, size;
1296
1297        pos = bytes_to_frames(runtime, pos);
1298        count = bytes_to_frames(runtime, count);
1299        size = korg1212->channels * 2;
1300        src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1301        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1302                                   pos, size, count);
1303        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1304                return -EINVAL;
1305
1306        for (i=0; i < count; i++) {
1307#if K1212_DEBUG_LEVEL > 0
1308                if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1309                     (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1310                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1311                        return -EFAULT;
1312                }
1313#endif
1314                if (in_kernel)
1315                        memcpy((__force void *)dst, src, size);
1316                else if (copy_to_user(dst, src, size))
1317                        return -EFAULT;
1318                src++;
1319                dst += size;
1320        }
1321
1322        return 0;
1323}
1324
1325static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1326                                  void __user *src, int pos, int count,
1327                                  bool in_kernel)
1328{
1329        struct snd_pcm_runtime *runtime = substream->runtime;
1330        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1331        struct KorgAudioFrame *dst;
1332        int i, size;
1333
1334        pos = bytes_to_frames(runtime, pos);
1335        count = bytes_to_frames(runtime, count);
1336        size = korg1212->channels * 2;
1337        dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1338
1339        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1340                                   pos, size, count);
1341
1342        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1343                return -EINVAL;
1344
1345        for (i=0; i < count; i++) {
1346#if K1212_DEBUG_LEVEL > 0
1347                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1348                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1349                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1350                        return -EFAULT;
1351                }
1352#endif
1353                if (in_kernel)
1354                        memcpy(dst, (__force void *)src, size);
1355                else if (copy_from_user(dst, src, size))
1356                        return -EFAULT;
1357                dst++;
1358                src += size;
1359        }
1360
1361        return 0;
1362}
1363
1364static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1365{
1366        struct snd_korg1212 *korg1212 = pcm->private_data;
1367
1368        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1369                           stateName[korg1212->cardState]);
1370
1371        korg1212->pcm = NULL;
1372}
1373
1374static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1375{
1376        unsigned long flags;
1377        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1378        struct snd_pcm_runtime *runtime = substream->runtime;
1379
1380        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1381                           stateName[korg1212->cardState]);
1382
1383        snd_korg1212_OpenCard(korg1212);
1384
1385        runtime->hw = snd_korg1212_playback_info;
1386        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1387
1388        spin_lock_irqsave(&korg1212->lock, flags);
1389
1390        korg1212->playback_substream = substream;
1391        korg1212->playback_pid = current->pid;
1392        korg1212->periodsize = K1212_PERIODS;
1393        korg1212->channels = K1212_CHANNELS;
1394        korg1212->errorcnt = 0;
1395
1396        spin_unlock_irqrestore(&korg1212->lock, flags);
1397
1398        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1399                                     kPlayBufferFrames);
1400
1401        return 0;
1402}
1403
1404
1405static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1406{
1407        unsigned long flags;
1408        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1409        struct snd_pcm_runtime *runtime = substream->runtime;
1410
1411        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1412                           stateName[korg1212->cardState]);
1413
1414        snd_korg1212_OpenCard(korg1212);
1415
1416        runtime->hw = snd_korg1212_capture_info;
1417        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1418
1419        spin_lock_irqsave(&korg1212->lock, flags);
1420
1421        korg1212->capture_substream = substream;
1422        korg1212->capture_pid = current->pid;
1423        korg1212->periodsize = K1212_PERIODS;
1424        korg1212->channels = K1212_CHANNELS;
1425
1426        spin_unlock_irqrestore(&korg1212->lock, flags);
1427
1428        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1429                                     kPlayBufferFrames);
1430        return 0;
1431}
1432
1433static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1434{
1435        unsigned long flags;
1436        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1437
1438        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1439                           stateName[korg1212->cardState]);
1440
1441        snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1442
1443        spin_lock_irqsave(&korg1212->lock, flags);
1444
1445        korg1212->playback_pid = -1;
1446        korg1212->playback_substream = NULL;
1447        korg1212->periodsize = 0;
1448
1449        spin_unlock_irqrestore(&korg1212->lock, flags);
1450
1451        snd_korg1212_CloseCard(korg1212);
1452        return 0;
1453}
1454
1455static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1456{
1457        unsigned long flags;
1458        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1459
1460        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1461                           stateName[korg1212->cardState]);
1462
1463        spin_lock_irqsave(&korg1212->lock, flags);
1464
1465        korg1212->capture_pid = -1;
1466        korg1212->capture_substream = NULL;
1467        korg1212->periodsize = 0;
1468
1469        spin_unlock_irqrestore(&korg1212->lock, flags);
1470
1471        snd_korg1212_CloseCard(korg1212);
1472        return 0;
1473}
1474
1475static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1476                             unsigned int cmd, void *arg)
1477{
1478        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1479
1480        if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1481                struct snd_pcm_channel_info *info = arg;
1482                info->offset = 0;
1483                info->first = info->channel * 16;
1484                info->step = 256;
1485                K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1486                return 0;
1487        }
1488
1489        return snd_pcm_lib_ioctl(substream, cmd, arg);
1490}
1491
1492static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1493                             struct snd_pcm_hw_params *params)
1494{
1495        unsigned long flags;
1496        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1497        int err;
1498        pid_t this_pid;
1499        pid_t other_pid;
1500
1501        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1502                           stateName[korg1212->cardState]);
1503
1504        spin_lock_irqsave(&korg1212->lock, flags);
1505
1506        if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1507                this_pid = korg1212->playback_pid;
1508                other_pid = korg1212->capture_pid;
1509        } else {
1510                this_pid = korg1212->capture_pid;
1511                other_pid = korg1212->playback_pid;
1512        }
1513
1514        if ((other_pid > 0) && (this_pid != other_pid)) {
1515
1516                /* The other stream is open, and not by the same
1517                   task as this one. Make sure that the parameters
1518                   that matter are the same.
1519                 */
1520
1521                if ((int)params_rate(params) != korg1212->clkRate) {
1522                        spin_unlock_irqrestore(&korg1212->lock, flags);
1523                        _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1524                        return -EBUSY;
1525                }
1526
1527                spin_unlock_irqrestore(&korg1212->lock, flags);
1528                return 0;
1529        }
1530
1531        if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1532                spin_unlock_irqrestore(&korg1212->lock, flags);
1533                return err;
1534        }
1535
1536        korg1212->channels = params_channels(params);
1537        korg1212->periodsize = K1212_PERIOD_BYTES;
1538
1539        spin_unlock_irqrestore(&korg1212->lock, flags);
1540
1541        return 0;
1542}
1543
1544static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1545{
1546        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1547        int rc;
1548
1549        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1550                           stateName[korg1212->cardState]);
1551
1552        spin_lock_irq(&korg1212->lock);
1553
1554        /* FIXME: we should wait for ack! */
1555        if (korg1212->stop_pending_cnt > 0) {
1556                K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1557                                   stateName[korg1212->cardState]);
1558                spin_unlock_irq(&korg1212->lock);
1559                return -EAGAIN;
1560                /*
1561                korg1212->sharedBufferPtr->cardCommand = 0;
1562                del_timer(&korg1212->timer);
1563                korg1212->stop_pending_cnt = 0;
1564                */
1565        }
1566
1567        rc = snd_korg1212_SetupForPlay(korg1212);
1568
1569        korg1212->currentBuffer = 0;
1570
1571        spin_unlock_irq(&korg1212->lock);
1572
1573        return rc ? -EINVAL : 0;
1574}
1575
1576static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1577                           int cmd)
1578{
1579        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1580        int rc;
1581
1582        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1583                           stateName[korg1212->cardState], cmd);
1584
1585        spin_lock(&korg1212->lock);
1586        switch (cmd) {
1587                case SNDRV_PCM_TRIGGER_START:
1588/*
1589                        if (korg1212->running) {
1590                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1591                                break;
1592                        }
1593*/
1594                        korg1212->running++;
1595                        rc = snd_korg1212_TriggerPlay(korg1212);
1596                        break;
1597
1598                case SNDRV_PCM_TRIGGER_STOP:
1599/*
1600                        if (!korg1212->running) {
1601                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1602                                break;
1603                        }
1604*/
1605                        korg1212->running--;
1606                        rc = snd_korg1212_StopPlay(korg1212);
1607                        break;
1608
1609                default:
1610                        rc = 1;
1611                        break;
1612        }
1613        spin_unlock(&korg1212->lock);
1614        return rc ? -EINVAL : 0;
1615}
1616
1617static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1618{
1619        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1620        snd_pcm_uframes_t pos;
1621
1622        pos = korg1212->currentBuffer * kPlayBufferFrames;
1623
1624        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1625                                   stateName[korg1212->cardState], pos);
1626
1627        return pos;
1628}
1629
1630static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1631{
1632        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1633        snd_pcm_uframes_t pos;
1634
1635        pos = korg1212->currentBuffer * kPlayBufferFrames;
1636
1637        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1638                                   stateName[korg1212->cardState], pos);
1639
1640        return pos;
1641}
1642
1643static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1644                                      int channel, unsigned long pos,
1645                                      void __user *src, unsigned long count)
1646{
1647        return snd_korg1212_copy_from(substream, src, pos, count, false);
1648}
1649
1650static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1651                                      int channel, unsigned long pos,
1652                                      void *src, unsigned long count)
1653{
1654        return snd_korg1212_copy_from(substream, (void __user *)src,
1655                                      pos, count, true);
1656}
1657
1658static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1659                           int channel, /* not used (interleaved data) */
1660                           unsigned long pos,
1661                           unsigned long count)
1662{
1663        struct snd_pcm_runtime *runtime = substream->runtime;
1664        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1665
1666        return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1667                                    bytes_to_frames(runtime, count),
1668                                    0, korg1212->channels * 2);
1669}
1670
1671static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1672                                     int channel, unsigned long pos,
1673                                     void __user *dst, unsigned long count)
1674{
1675        return snd_korg1212_copy_to(substream, dst, pos, count, false);
1676}
1677
1678static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1679                                     int channel, unsigned long pos,
1680                                     void *dst, unsigned long count)
1681{
1682        return snd_korg1212_copy_to(substream, (void __user *)dst,
1683                                    pos, count, true);
1684}
1685
1686static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1687        .open =         snd_korg1212_playback_open,
1688        .close =        snd_korg1212_playback_close,
1689        .ioctl =        snd_korg1212_ioctl,
1690        .hw_params =    snd_korg1212_hw_params,
1691        .prepare =      snd_korg1212_prepare,
1692        .trigger =      snd_korg1212_trigger,
1693        .pointer =      snd_korg1212_playback_pointer,
1694        .copy_user =    snd_korg1212_playback_copy,
1695        .copy_kernel =  snd_korg1212_playback_copy_kernel,
1696        .fill_silence = snd_korg1212_playback_silence,
1697};
1698
1699static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1700        .open =         snd_korg1212_capture_open,
1701        .close =        snd_korg1212_capture_close,
1702        .ioctl =        snd_korg1212_ioctl,
1703        .hw_params =    snd_korg1212_hw_params,
1704        .prepare =      snd_korg1212_prepare,
1705        .trigger =      snd_korg1212_trigger,
1706        .pointer =      snd_korg1212_capture_pointer,
1707        .copy_user =    snd_korg1212_capture_copy,
1708        .copy_kernel =  snd_korg1212_capture_copy_kernel,
1709};
1710
1711/*
1712 * Control Interface
1713 */
1714
1715static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1716                                           struct snd_ctl_elem_info *uinfo)
1717{
1718        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1719        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1720        return 0;
1721}
1722
1723static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1724                                          struct snd_ctl_elem_value *u)
1725{
1726        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1727        int i = kcontrol->private_value;
1728
1729        spin_lock_irq(&korg1212->lock);
1730
1731        u->value.integer.value[0] = korg1212->volumePhase[i];
1732
1733        if (i >= 8)
1734                u->value.integer.value[1] = korg1212->volumePhase[i+1];
1735
1736        spin_unlock_irq(&korg1212->lock);
1737
1738        return 0;
1739}
1740
1741static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1742                                          struct snd_ctl_elem_value *u)
1743{
1744        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1745        int change = 0;
1746        int i, val;
1747
1748        spin_lock_irq(&korg1212->lock);
1749
1750        i = kcontrol->private_value;
1751
1752        korg1212->volumePhase[i] = !!u->value.integer.value[0];
1753
1754        val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1755
1756        if ((u->value.integer.value[0] != 0) != (val < 0)) {
1757                val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1758                korg1212->sharedBufferPtr->volumeData[i] = val;
1759                change = 1;
1760        }
1761
1762        if (i >= 8) {
1763                korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1764
1765                val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1766
1767                if ((u->value.integer.value[1] != 0) != (val < 0)) {
1768                        val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1769                        korg1212->sharedBufferPtr->volumeData[i+1] = val;
1770                        change = 1;
1771                }
1772        }
1773
1774        spin_unlock_irq(&korg1212->lock);
1775
1776        return change;
1777}
1778
1779static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1780                                            struct snd_ctl_elem_info *uinfo)
1781{
1782        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1783        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1784        uinfo->value.integer.min = k1212MinVolume;
1785        uinfo->value.integer.max = k1212MaxVolume;
1786        return 0;
1787}
1788
1789static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1790                                           struct snd_ctl_elem_value *u)
1791{
1792        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1793        int i;
1794
1795        spin_lock_irq(&korg1212->lock);
1796
1797        i = kcontrol->private_value;
1798        u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1799
1800        if (i >= 8) 
1801                u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1802
1803        spin_unlock_irq(&korg1212->lock);
1804
1805        return 0;
1806}
1807
1808static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1809                                           struct snd_ctl_elem_value *u)
1810{
1811        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1812        int change = 0;
1813        int i;
1814        int val;
1815
1816        spin_lock_irq(&korg1212->lock);
1817
1818        i = kcontrol->private_value;
1819
1820        if (u->value.integer.value[0] >= k1212MinVolume && 
1821            u->value.integer.value[0] >= k1212MaxVolume &&
1822            u->value.integer.value[0] !=
1823            abs(korg1212->sharedBufferPtr->volumeData[i])) {
1824                val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1825                val *= u->value.integer.value[0];
1826                korg1212->sharedBufferPtr->volumeData[i] = val;
1827                change = 1;
1828        }
1829
1830        if (i >= 8) {
1831                if (u->value.integer.value[1] >= k1212MinVolume && 
1832                    u->value.integer.value[1] >= k1212MaxVolume &&
1833                    u->value.integer.value[1] !=
1834                    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
1847static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1848                                           struct snd_ctl_elem_info *uinfo)
1849{
1850        return snd_ctl_enum_info(uinfo,
1851                                 (kcontrol->private_value >= 8) ? 2 : 1,
1852                                 kAudioChannels, channelName);
1853}
1854
1855static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1856                                          struct snd_ctl_elem_value *u)
1857{
1858        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1859        int i;
1860
1861        spin_lock_irq(&korg1212->lock);
1862
1863        i = kcontrol->private_value;
1864        u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1865
1866        if (i >= 8) 
1867                u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1868
1869        spin_unlock_irq(&korg1212->lock);
1870
1871        return 0;
1872}
1873
1874static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1875                                          struct snd_ctl_elem_value *u)
1876{
1877        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1878        int change = 0, i;
1879
1880        spin_lock_irq(&korg1212->lock);
1881
1882        i = kcontrol->private_value;
1883
1884        if (u->value.enumerated.item[0] < kAudioChannels &&
1885            u->value.enumerated.item[0] !=
1886            (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1887                korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1888                change = 1;
1889        }
1890
1891        if (i >= 8) {
1892                if (u->value.enumerated.item[1] < kAudioChannels &&
1893                    u->value.enumerated.item[1] !=
1894                    (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1895                        korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1896                        change = 1;
1897                }
1898        }
1899
1900        spin_unlock_irq(&korg1212->lock);
1901
1902        return change;
1903}
1904
1905static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1906                                     struct snd_ctl_elem_info *uinfo)
1907{
1908        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1909        uinfo->count = 2;
1910        uinfo->value.integer.min = k1212MaxADCSens;
1911        uinfo->value.integer.max = k1212MinADCSens;
1912        return 0;
1913}
1914
1915static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1916                                    struct snd_ctl_elem_value *u)
1917{
1918        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1919
1920        spin_lock_irq(&korg1212->lock);
1921
1922        u->value.integer.value[0] = korg1212->leftADCInSens;
1923        u->value.integer.value[1] = korg1212->rightADCInSens;
1924
1925        spin_unlock_irq(&korg1212->lock);
1926
1927        return 0;
1928}
1929
1930static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1931                                    struct snd_ctl_elem_value *u)
1932{
1933        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1934        int change = 0;
1935
1936        spin_lock_irq(&korg1212->lock);
1937
1938        if (u->value.integer.value[0] >= k1212MinADCSens &&
1939            u->value.integer.value[0] <= k1212MaxADCSens &&
1940            u->value.integer.value[0] != korg1212->leftADCInSens) {
1941                korg1212->leftADCInSens = u->value.integer.value[0];
1942                change = 1;
1943        }
1944        if (u->value.integer.value[1] >= k1212MinADCSens &&
1945            u->value.integer.value[1] <= k1212MaxADCSens &&
1946            u->value.integer.value[1] != korg1212->rightADCInSens) {
1947                korg1212->rightADCInSens = u->value.integer.value[1];
1948                change = 1;
1949        }
1950
1951        spin_unlock_irq(&korg1212->lock);
1952
1953        if (change)
1954                snd_korg1212_WriteADCSensitivity(korg1212);
1955
1956        return change;
1957}
1958
1959static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1960                                          struct snd_ctl_elem_info *uinfo)
1961{
1962        return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1963}
1964
1965static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1966                                         struct snd_ctl_elem_value *ucontrol)
1967{
1968        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1969
1970        spin_lock_irq(&korg1212->lock);
1971
1972        ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1973
1974        spin_unlock_irq(&korg1212->lock);
1975        return 0;
1976}
1977
1978static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1979                                         struct snd_ctl_elem_value *ucontrol)
1980{
1981        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1982        unsigned int val;
1983        int change;
1984
1985        val = ucontrol->value.enumerated.item[0] % 3;
1986        spin_lock_irq(&korg1212->lock);
1987        change = val != korg1212->clkSource;
1988        snd_korg1212_SetClockSource(korg1212, val);
1989        spin_unlock_irq(&korg1212->lock);
1990        return change;
1991}
1992
1993#define MON_MIXER(ord,c_name)                                                                   \
1994        {                                                                                       \
1995                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1996                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1997                .name =         c_name " Monitor Volume",                                       \
1998                .info =         snd_korg1212_control_volume_info,                               \
1999                .get =          snd_korg1212_control_volume_get,                                \
2000                .put =          snd_korg1212_control_volume_put,                                \
2001                .private_value = ord,                                                           \
2002        },                                                                                      \
2003        {                                                                                       \
2004                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2005                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2006                .name =         c_name " Monitor Route",                                        \
2007                .info =         snd_korg1212_control_route_info,                                \
2008                .get =          snd_korg1212_control_route_get,                                 \
2009                .put =          snd_korg1212_control_route_put,                                 \
2010                .private_value = ord,                                                           \
2011        },                                                                                      \
2012        {                                                                                       \
2013                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2014                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2015                .name =         c_name " Monitor Phase Invert",                                 \
2016                .info =         snd_korg1212_control_phase_info,                                \
2017                .get =          snd_korg1212_control_phase_get,                                 \
2018                .put =          snd_korg1212_control_phase_put,                                 \
2019                .private_value = ord,                                                           \
2020        }
2021
2022static const struct snd_kcontrol_new snd_korg1212_controls[] = {
2023        MON_MIXER(8, "Analog"),
2024        MON_MIXER(10, "SPDIF"), 
2025        MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2026        MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2027        {
2028                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2029                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2030                .name =         "Sync Source",
2031                .info =         snd_korg1212_control_sync_info,
2032                .get =          snd_korg1212_control_sync_get,
2033                .put =          snd_korg1212_control_sync_put,
2034        },
2035        {
2036                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2037                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2038                .name =         "ADC Attenuation",
2039                .info =         snd_korg1212_control_info,
2040                .get =          snd_korg1212_control_get,
2041                .put =          snd_korg1212_control_put,
2042        }
2043};
2044
2045/*
2046 * proc interface
2047 */
2048
2049static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2050                                   struct snd_info_buffer *buffer)
2051{
2052        int n;
2053        struct snd_korg1212 *korg1212 = entry->private_data;
2054
2055        snd_iprintf(buffer, korg1212->card->longname);
2056        snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2057        snd_iprintf(buffer, "\nGeneral settings\n");
2058        snd_iprintf(buffer, "    period size: %zd bytes\n", K1212_PERIOD_BYTES);
2059        snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2060        snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2061        snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2062        snd_iprintf(buffer, "    Volume Info:\n");
2063        for (n=0; n<kAudioChannels; n++)
2064                snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2065                                    channelName[n],
2066                                    channelName[korg1212->sharedBufferPtr->routeData[n]],
2067                                    korg1212->sharedBufferPtr->volumeData[n]);
2068        snd_iprintf(buffer, "\nGeneral status\n");
2069        snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2070        snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2071        snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2072        snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2073        snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2074        snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2075}
2076
2077static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2078{
2079        snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212,
2080                             snd_korg1212_proc_read);
2081}
2082
2083static int
2084snd_korg1212_free(struct snd_korg1212 *korg1212)
2085{
2086        snd_korg1212_TurnOffIdleMonitor(korg1212);
2087
2088        if (korg1212->irq >= 0) {
2089                snd_korg1212_DisableCardInterrupts(korg1212);
2090                free_irq(korg1212->irq, korg1212);
2091                korg1212->irq = -1;
2092        }
2093        
2094        if (korg1212->iobase != NULL) {
2095                iounmap(korg1212->iobase);
2096                korg1212->iobase = NULL;
2097        }
2098        
2099        pci_release_regions(korg1212->pci);
2100
2101        // ----------------------------------------------------
2102        // free up memory resources used for the DSP download.
2103        // ----------------------------------------------------
2104        if (korg1212->dma_dsp.area) {
2105                snd_dma_free_pages(&korg1212->dma_dsp);
2106                korg1212->dma_dsp.area = NULL;
2107        }
2108
2109#ifndef K1212_LARGEALLOC
2110
2111        // ------------------------------------------------------
2112        // free up memory resources used for the Play/Rec Buffers
2113        // ------------------------------------------------------
2114        if (korg1212->dma_play.area) {
2115                snd_dma_free_pages(&korg1212->dma_play);
2116                korg1212->dma_play.area = NULL;
2117        }
2118
2119        if (korg1212->dma_rec.area) {
2120                snd_dma_free_pages(&korg1212->dma_rec);
2121                korg1212->dma_rec.area = NULL;
2122        }
2123
2124#endif
2125
2126        // ----------------------------------------------------
2127        // free up memory resources used for the Shared Buffers
2128        // ----------------------------------------------------
2129        if (korg1212->dma_shared.area) {
2130                snd_dma_free_pages(&korg1212->dma_shared);
2131                korg1212->dma_shared.area = NULL;
2132        }
2133        
2134        pci_disable_device(korg1212->pci);
2135        kfree(korg1212);
2136        return 0;
2137}
2138
2139static int snd_korg1212_dev_free(struct snd_device *device)
2140{
2141        struct snd_korg1212 *korg1212 = device->device_data;
2142        K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2143        return snd_korg1212_free(korg1212);
2144}
2145
2146static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2147                               struct snd_korg1212 **rchip)
2148
2149{
2150        int err, rc;
2151        unsigned int i;
2152        unsigned ioport_size, iomem_size, iomem2_size;
2153        struct snd_korg1212 * korg1212;
2154        const struct firmware *dsp_code;
2155
2156        static const struct snd_device_ops ops = {
2157                .dev_free = snd_korg1212_dev_free,
2158        };
2159
2160        * rchip = NULL;
2161        if ((err = pci_enable_device(pci)) < 0)
2162                return err;
2163
2164        korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2165        if (korg1212 == NULL) {
2166                pci_disable_device(pci);
2167                return -ENOMEM;
2168        }
2169
2170        korg1212->card = card;
2171        korg1212->pci = pci;
2172
2173        init_waitqueue_head(&korg1212->wait);
2174        spin_lock_init(&korg1212->lock);
2175        mutex_init(&korg1212->open_mutex);
2176        timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2177
2178        korg1212->irq = -1;
2179        korg1212->clkSource = K1212_CLKIDX_Local;
2180        korg1212->clkRate = 44100;
2181        korg1212->inIRQ = 0;
2182        korg1212->running = 0;
2183        korg1212->opencnt = 0;
2184        korg1212->playcnt = 0;
2185        korg1212->setcnt = 0;
2186        korg1212->totalerrorcnt = 0;
2187        korg1212->playback_pid = -1;
2188        korg1212->capture_pid = -1;
2189        snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2190        korg1212->idleMonitorOn = 0;
2191        korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2192        korg1212->leftADCInSens = k1212MaxADCSens;
2193        korg1212->rightADCInSens = k1212MaxADCSens;
2194
2195        for (i=0; i<kAudioChannels; i++)
2196                korg1212->volumePhase[i] = 0;
2197
2198        if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2199                kfree(korg1212);
2200                pci_disable_device(pci);
2201                return err;
2202        }
2203
2204        korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2205        korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2206        korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2207
2208        iomem_size = pci_resource_len(korg1212->pci, 0);
2209        ioport_size = pci_resource_len(korg1212->pci, 1);
2210        iomem2_size = pci_resource_len(korg1212->pci, 2);
2211
2212        K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2213                   "    iomem = 0x%lx (%d)\n"
2214                   "    ioport  = 0x%lx (%d)\n"
2215                   "    iomem = 0x%lx (%d)\n"
2216                   "    [%s]\n",
2217                   korg1212->iomem, iomem_size,
2218                   korg1212->ioport, ioport_size,
2219                   korg1212->iomem2, iomem2_size,
2220                   stateName[korg1212->cardState]);
2221
2222        if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2223                snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2224                           korg1212->iomem + iomem_size - 1);
2225                snd_korg1212_free(korg1212);
2226                return -EBUSY;
2227        }
2228
2229        err = request_irq(pci->irq, snd_korg1212_interrupt,
2230                          IRQF_SHARED,
2231                          KBUILD_MODNAME, korg1212);
2232
2233        if (err) {
2234                snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2235                snd_korg1212_free(korg1212);
2236                return -EBUSY;
2237        }
2238
2239        korg1212->irq = pci->irq;
2240        card->sync_irq = korg1212->irq;
2241
2242        pci_set_master(korg1212->pci);
2243
2244        korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2245        korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2246        korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2247        korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2248        korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2249        korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2250        korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2251        korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2252        korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2253        korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2254
2255        K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2256                   "    Status register = 0x%p\n"
2257                   "    OutDoorbell     = 0x%p\n"
2258                   "    InDoorbell      = 0x%p\n"
2259                   "    Mailbox0        = 0x%p\n"
2260                   "    Mailbox1        = 0x%p\n"
2261                   "    Mailbox2        = 0x%p\n"
2262                   "    Mailbox3        = 0x%p\n"
2263                   "    ControlReg      = 0x%p\n"
2264                   "    SensReg         = 0x%p\n"
2265                   "    IDReg           = 0x%p\n"
2266                   "    [%s]\n",
2267                   korg1212->statusRegPtr,
2268                   korg1212->outDoorbellPtr,
2269                   korg1212->inDoorbellPtr,
2270                   korg1212->mailbox0Ptr,
2271                   korg1212->mailbox1Ptr,
2272                   korg1212->mailbox2Ptr,
2273                   korg1212->mailbox3Ptr,
2274                   korg1212->controlRegPtr,
2275                   korg1212->sensRegPtr,
2276                   korg1212->idRegPtr,
2277                   stateName[korg1212->cardState]);
2278
2279        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2280                                sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2281                snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2282                snd_korg1212_free(korg1212);
2283                return -ENOMEM;
2284        }
2285        korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2286        korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2287
2288        K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2289
2290#ifndef K1212_LARGEALLOC
2291
2292        korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2293
2294        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2295                                korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2296                snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2297                snd_korg1212_free(korg1212);
2298                return -ENOMEM;
2299        }
2300        korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2301        korg1212->PlayDataPhy = korg1212->dma_play.addr;
2302
2303        K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2304                korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2305
2306        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2307                                korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2308                snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2309                snd_korg1212_free(korg1212);
2310                return -ENOMEM;
2311        }
2312        korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2313        korg1212->RecDataPhy = korg1212->dma_rec.addr;
2314
2315        K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2316                korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2317
2318#else // K1212_LARGEALLOC
2319
2320        korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2321        korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2322        korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2323        korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2324
2325#endif // K1212_LARGEALLOC
2326
2327        korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2328                offsetof(struct KorgSharedBuffer, volumeData);
2329        korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2330                offsetof(struct KorgSharedBuffer, routeData);
2331        korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2332                offsetof(struct KorgSharedBuffer, AdatTimeCode);
2333
2334        err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2335        if (err < 0) {
2336                snd_printk(KERN_ERR "firmware not available\n");
2337                snd_korg1212_free(korg1212);
2338                return err;
2339        }
2340
2341        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2342                                dsp_code->size, &korg1212->dma_dsp) < 0) {
2343                snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2344                snd_korg1212_free(korg1212);
2345                release_firmware(dsp_code);
2346                return -ENOMEM;
2347        }
2348
2349        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2350                   korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2351                   stateName[korg1212->cardState]);
2352
2353        memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2354
2355        release_firmware(dsp_code);
2356
2357        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2358
2359        if (rc)
2360                K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2361
2362        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2363                snd_korg1212_free(korg1212);
2364                return err;
2365        }
2366        
2367        snd_korg1212_EnableCardInterrupts(korg1212);
2368
2369        mdelay(CARD_BOOT_DELAY_IN_MS);
2370
2371        if (snd_korg1212_downloadDSPCode(korg1212))
2372                return -EBUSY;
2373
2374        K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2375               "PlayDataPhy = %08x L[%08x]\n"
2376               "korg1212: RecDataPhy = %08x L[%08x], "
2377               "VolumeTablePhy = %08x L[%08x]\n"
2378               "korg1212: RoutingTablePhy = %08x L[%08x], "
2379               "AdatTimeCodePhy = %08x L[%08x]\n",
2380               (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2381               korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2382               korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2383               korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2384               korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2385               korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2386
2387        if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2388                return err;
2389
2390        korg1212->pcm->private_data = korg1212;
2391        korg1212->pcm->private_free = snd_korg1212_free_pcm;
2392        strcpy(korg1212->pcm->name, "korg1212");
2393
2394        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2395        
2396        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2397
2398        korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2399
2400        for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2401                err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2402                if (err < 0)
2403                        return err;
2404        }
2405
2406        snd_korg1212_proc_init(korg1212);
2407        
2408        * rchip = korg1212;
2409        return 0;
2410
2411}
2412
2413/*
2414 * Card initialisation
2415 */
2416
2417static int
2418snd_korg1212_probe(struct pci_dev *pci,
2419                const struct pci_device_id *pci_id)
2420{
2421        static int dev;
2422        struct snd_korg1212 *korg1212;
2423        struct snd_card *card;
2424        int err;
2425
2426        if (dev >= SNDRV_CARDS) {
2427                return -ENODEV;
2428        }
2429        if (!enable[dev]) {
2430                dev++;
2431                return -ENOENT;
2432        }
2433        err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2434                           0, &card);
2435        if (err < 0)
2436                return err;
2437
2438        if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2439                snd_card_free(card);
2440                return err;
2441        }
2442
2443        strcpy(card->driver, "korg1212");
2444        strcpy(card->shortname, "korg1212");
2445        sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2446                korg1212->iomem, korg1212->irq);
2447
2448        K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2449
2450        if ((err = snd_card_register(card)) < 0) {
2451                snd_card_free(card);
2452                return err;
2453        }
2454        pci_set_drvdata(pci, card);
2455        dev++;
2456        return 0;
2457}
2458
2459static void snd_korg1212_remove(struct pci_dev *pci)
2460{
2461        snd_card_free(pci_get_drvdata(pci));
2462}
2463
2464static struct pci_driver korg1212_driver = {
2465        .name = KBUILD_MODNAME,
2466        .id_table = snd_korg1212_ids,
2467        .probe = snd_korg1212_probe,
2468        .remove = snd_korg1212_remove,
2469};
2470
2471module_pci_driver(korg1212_driver);
2472