linux/sound/pci/korg1212/korg1212.c
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   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_FIRMWARE("korg/k1212.dsp");
 392
 393static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 394static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 395static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 396
 397module_param_array(index, int, NULL, 0444);
 398MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 399module_param_array(id, charp, NULL, 0444);
 400MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 401module_param_array(enable, bool, NULL, 0444);
 402MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 403MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 404
 405static const struct pci_device_id snd_korg1212_ids[] = {
 406        {
 407                .vendor    = 0x10b5,
 408                .device    = 0x906d,
 409                .subvendor = PCI_ANY_ID,
 410                .subdevice = PCI_ANY_ID,
 411        },
 412        { 0, },
 413};
 414
 415MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 416
 417static const char * const stateName[] = {
 418        "Non-existent",
 419        "Uninitialized",
 420        "DSP download in process",
 421        "DSP download complete",
 422        "Ready",
 423        "Open",
 424        "Setup for play",
 425        "Playing",
 426        "Monitor mode on",
 427        "Calibrating",
 428        "Invalid"
 429};
 430
 431static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 432
 433static const char * const clockSourceName[] = {
 434        "ADAT at 44.1 kHz",
 435        "ADAT at 48 kHz",
 436        "S/PDIF at 44.1 kHz",
 437        "S/PDIF at 48 kHz",
 438        "local clock at 44.1 kHz",
 439        "local clock at 48 kHz"
 440};
 441
 442static const char * const channelName[] = {
 443        "ADAT-1",
 444        "ADAT-2",
 445        "ADAT-3",
 446        "ADAT-4",
 447        "ADAT-5",
 448        "ADAT-6",
 449        "ADAT-7",
 450        "ADAT-8",
 451        "Analog-L",
 452        "Analog-R",
 453        "SPDIF-L",
 454        "SPDIF-R",
 455};
 456
 457static const u16 ClockSourceSelector[] = {
 458        0x8000,   // selects source as ADAT at 44.1 kHz
 459        0x0000,   // selects source as ADAT at 48 kHz
 460        0x8001,   // selects source as S/PDIF at 44.1 kHz
 461        0x0001,   // selects source as S/PDIF at 48 kHz
 462        0x8002,   // selects source as local clock at 44.1 kHz
 463        0x0002    // selects source as local clock at 48 kHz
 464};
 465
 466union swap_u32 { unsigned char c[4]; u32 i; };
 467
 468#ifdef SNDRV_BIG_ENDIAN
 469static u32 LowerWordSwap(u32 swappee)
 470#else
 471static u32 UpperWordSwap(u32 swappee)
 472#endif
 473{
 474   union swap_u32 retVal, swapper;
 475
 476   swapper.i = swappee;
 477   retVal.c[2] = swapper.c[3];
 478   retVal.c[3] = swapper.c[2];
 479   retVal.c[1] = swapper.c[1];
 480   retVal.c[0] = swapper.c[0];
 481
 482   return retVal.i;
 483}
 484
 485#ifdef SNDRV_BIG_ENDIAN
 486static u32 UpperWordSwap(u32 swappee)
 487#else
 488static u32 LowerWordSwap(u32 swappee)
 489#endif
 490{
 491   union swap_u32 retVal, swapper;
 492
 493   swapper.i = swappee;
 494   retVal.c[2] = swapper.c[2];
 495   retVal.c[3] = swapper.c[3];
 496   retVal.c[1] = swapper.c[0];
 497   retVal.c[0] = swapper.c[1];
 498
 499   return retVal.i;
 500}
 501
 502#define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 503#define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 504#define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 505#define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 506
 507static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 508                                        enum korg1212_dbcnst doorbellVal,
 509                                        u32 mailBox0Val, u32 mailBox1Val,
 510                                        u32 mailBox2Val, u32 mailBox3Val)
 511{
 512        u32 retryCount;
 513        u16 mailBox3Lo;
 514        int rc = K1212_CMDRET_Success;
 515
 516        if (!korg1212->outDoorbellPtr) {
 517                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 518                return K1212_CMDRET_CardUninitialized;
 519        }
 520
 521        K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 522                           doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 523        for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 524                writel(mailBox3Val, korg1212->mailbox3Ptr);
 525                writel(mailBox2Val, korg1212->mailbox2Ptr);
 526                writel(mailBox1Val, korg1212->mailbox1Ptr);
 527                writel(mailBox0Val, korg1212->mailbox0Ptr);
 528                writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 529
 530                // --------------------------------------------------------------
 531                // the reboot command will not give an acknowledgement.
 532                // --------------------------------------------------------------
 533                if ( doorbellVal == K1212_DB_RebootCard ||
 534                        doorbellVal == K1212_DB_BootFromDSPPage4 ||
 535                        doorbellVal == K1212_DB_StartDSPDownload ) {
 536                        rc = K1212_CMDRET_Success;
 537                        break;
 538                }
 539
 540                // --------------------------------------------------------------
 541                // See if the card acknowledged the command.  Wait a bit, then
 542                // read in the low word of mailbox3.  If the MSB is set and the
 543                // low byte is equal to the doorbell value, then it ack'd.
 544                // --------------------------------------------------------------
 545                udelay(COMMAND_ACK_DELAY);
 546                mailBox3Lo = readl(korg1212->mailbox3Ptr);
 547                if (mailBox3Lo & COMMAND_ACK_MASK) {
 548                        if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 549                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 550                                rc = K1212_CMDRET_Success;
 551                                break;
 552                        }
 553                }
 554        }
 555        korg1212->cmdRetryCount += retryCount;
 556
 557        if (retryCount >= MAX_COMMAND_RETRIES) {
 558                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 559                rc = K1212_CMDRET_NoAckFromCard;
 560        }
 561
 562        return rc;
 563}
 564
 565/* spinlock already held */
 566static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 567{
 568        if (! korg1212->stop_pending_cnt) {
 569                korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 570                /* program the timer */
 571                korg1212->stop_pending_cnt = HZ;
 572                mod_timer(&korg1212->timer, jiffies + 1);
 573        }
 574}
 575
 576static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 577{
 578        unsigned long flags;
 579        spin_lock_irqsave(&korg1212->lock, flags);
 580        korg1212->dsp_stop_is_processed = 0;
 581        snd_korg1212_SendStop(korg1212);
 582        spin_unlock_irqrestore(&korg1212->lock, flags);
 583        wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 584}
 585
 586/* timer callback for checking the ack of stop request */
 587static void snd_korg1212_timer_func(struct timer_list *t)
 588{
 589        struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
 590        unsigned long flags;
 591        
 592        spin_lock_irqsave(&korg1212->lock, flags);
 593        if (korg1212->sharedBufferPtr->cardCommand == 0) {
 594                /* ack'ed */
 595                korg1212->stop_pending_cnt = 0;
 596                korg1212->dsp_stop_is_processed = 1;
 597                wake_up(&korg1212->wait);
 598                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 599                                           stateName[korg1212->cardState]);
 600        } else {
 601                if (--korg1212->stop_pending_cnt > 0) {
 602                        /* reprogram timer */
 603                        mod_timer(&korg1212->timer, jiffies + 1);
 604                } else {
 605                        snd_printd("korg1212_timer_func timeout\n");
 606                        korg1212->sharedBufferPtr->cardCommand = 0;
 607                        korg1212->dsp_stop_is_processed = 1;
 608                        wake_up(&korg1212->wait);
 609                        K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 610                                           stateName[korg1212->cardState]);
 611                }
 612        }
 613        spin_unlock_irqrestore(&korg1212->lock, flags);
 614}
 615
 616static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 617{
 618        unsigned long flags;
 619        int rc;
 620
 621        udelay(INTERCOMMAND_DELAY);
 622        spin_lock_irqsave(&korg1212->lock, flags);
 623        korg1212->idleMonitorOn = 1;
 624        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 625                                          K1212_MODE_MonitorOn, 0, 0, 0);
 626        spin_unlock_irqrestore(&korg1212->lock, flags);
 627        return rc;
 628}
 629
 630static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 631{
 632        if (korg1212->idleMonitorOn) {
 633                snd_korg1212_SendStopAndWait(korg1212);
 634                korg1212->idleMonitorOn = 0;
 635        }
 636}
 637
 638static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 639{
 640        korg1212->cardState = csState;
 641}
 642
 643static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 644{
 645        K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 646                           stateName[korg1212->cardState], korg1212->opencnt);
 647        mutex_lock(&korg1212->open_mutex);
 648        if (korg1212->opencnt++ == 0) {
 649                snd_korg1212_TurnOffIdleMonitor(korg1212);
 650                snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 651        }
 652
 653        mutex_unlock(&korg1212->open_mutex);
 654        return 1;
 655}
 656
 657static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 658{
 659        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 660                           stateName[korg1212->cardState], korg1212->opencnt);
 661
 662        mutex_lock(&korg1212->open_mutex);
 663        if (--(korg1212->opencnt)) {
 664                mutex_unlock(&korg1212->open_mutex);
 665                return 0;
 666        }
 667
 668        if (korg1212->cardState == K1212_STATE_SETUP) {
 669                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 670                                K1212_MODE_StopPlay, 0, 0, 0);
 671                if (rc)
 672                        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 673                                           rc, stateName[korg1212->cardState]);
 674                if (rc != K1212_CMDRET_Success) {
 675                        mutex_unlock(&korg1212->open_mutex);
 676                        return 0;
 677                }
 678        } else if (korg1212->cardState > K1212_STATE_SETUP) {
 679                snd_korg1212_SendStopAndWait(korg1212);
 680        }
 681
 682        if (korg1212->cardState > K1212_STATE_READY) {
 683                snd_korg1212_TurnOnIdleMonitor(korg1212);
 684                snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 685        }
 686
 687        mutex_unlock(&korg1212->open_mutex);
 688        return 0;
 689}
 690
 691/* spinlock already held */
 692static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 693{
 694        int rc;
 695
 696        K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 697                           stateName[korg1212->cardState], korg1212->setcnt);
 698
 699        if (korg1212->setcnt++)
 700                return 0;
 701
 702        snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 703        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 704                                        K1212_MODE_SetupPlay, 0, 0, 0);
 705        if (rc)
 706                K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 707                                   rc, stateName[korg1212->cardState]);
 708        if (rc != K1212_CMDRET_Success) {
 709                return 1;
 710        }
 711        return 0;
 712}
 713
 714/* spinlock already held */
 715static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 716{
 717        int rc;
 718
 719        K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 720                           stateName[korg1212->cardState], korg1212->playcnt);
 721
 722        if (korg1212->playcnt++)
 723                return 0;
 724
 725        snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 726        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 727        if (rc)
 728                K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 729                                   rc, stateName[korg1212->cardState]);
 730        if (rc != K1212_CMDRET_Success) {
 731                return 1;
 732        }
 733        return 0;
 734}
 735
 736/* spinlock already held */
 737static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 738{
 739        K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 740                           stateName[korg1212->cardState], korg1212->playcnt);
 741
 742        if (--(korg1212->playcnt)) 
 743                return 0;
 744
 745        korg1212->setcnt = 0;
 746
 747        if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 748                snd_korg1212_SendStop(korg1212);
 749
 750        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 751        return 0;
 752}
 753
 754static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 755{
 756        writel(PCI_INT_ENABLE_BIT            |
 757               PCI_DOORBELL_INT_ENABLE_BIT   |
 758               LOCAL_INT_ENABLE_BIT          |
 759               LOCAL_DOORBELL_INT_ENABLE_BIT |
 760               LOCAL_DMA1_INT_ENABLE_BIT,
 761               korg1212->statusRegPtr);
 762}
 763
 764#if 0 /* not used */
 765
 766static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 767                                       enum MonitorModeSelector mode)
 768{
 769        K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 770                           stateName[korg1212->cardState]);
 771
 772        switch (mode) {
 773        case K1212_MONMODE_Off:
 774                if (korg1212->cardState != K1212_STATE_MONITOR)
 775                        return 0;
 776                else {
 777                        snd_korg1212_SendStopAndWait(korg1212);
 778                        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 779                }
 780                break;
 781
 782        case K1212_MONMODE_On:
 783                if (korg1212->cardState != K1212_STATE_OPEN)
 784                        return 0;
 785                else {
 786                        int rc;
 787                        snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 788                        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 789                                                          K1212_MODE_MonitorOn, 0, 0, 0);
 790                        if (rc != K1212_CMDRET_Success)
 791                                return 0;
 792                }
 793                break;
 794
 795        default:
 796                return 0;
 797        }
 798
 799        return 1;
 800}
 801
 802#endif /* not used */
 803
 804static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 805{
 806        if (korg1212->playback_pid != korg1212->capture_pid &&
 807            korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 808                return 0;
 809
 810        return 1;
 811}
 812
 813static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 814{
 815        static const enum ClockSourceIndex s44[] = {
 816                K1212_CLKIDX_AdatAt44_1K,
 817                K1212_CLKIDX_WordAt44_1K,
 818                K1212_CLKIDX_LocalAt44_1K
 819        };
 820        static const enum ClockSourceIndex s48[] = {
 821                K1212_CLKIDX_AdatAt48K,
 822                K1212_CLKIDX_WordAt48K,
 823                K1212_CLKIDX_LocalAt48K
 824        };
 825        int parm, rc;
 826
 827        if (!snd_korg1212_use_is_exclusive (korg1212))
 828                return -EBUSY;
 829
 830        switch (rate) {
 831        case 44100:
 832                parm = s44[korg1212->clkSource];
 833                break;
 834
 835        case 48000:
 836                parm = s48[korg1212->clkSource];
 837                break;
 838
 839        default:
 840                return -EINVAL;
 841        }
 842
 843        korg1212->clkSrcRate = parm;
 844        korg1212->clkRate = rate;
 845
 846        udelay(INTERCOMMAND_DELAY);
 847        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 848                                          ClockSourceSelector[korg1212->clkSrcRate],
 849                                          0, 0, 0);
 850        if (rc)
 851                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 852                                   rc, stateName[korg1212->cardState]);
 853
 854        return 0;
 855}
 856
 857static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 858{
 859
 860        if (source < 0 || source > 2)
 861                return -EINVAL;
 862
 863        korg1212->clkSource = source;
 864
 865        snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 866
 867        return 0;
 868}
 869
 870static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 871{
 872        writel(0, korg1212->statusRegPtr);
 873}
 874
 875static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 876{
 877        struct SensBits  sensVals;
 878        int       bitPosition;
 879        int       channel;
 880        int       clkIs48K;
 881        int       monModeSet;
 882        u16       controlValue;    // this keeps the current value to be written to
 883                                   //  the card's eeprom control register.
 884        u16       count;
 885        unsigned long flags;
 886
 887        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 888                           stateName[korg1212->cardState]);
 889
 890        // ----------------------------------------------------------------------------
 891        // initialize things.  The local init bit is always set when writing to the
 892        // card's control register.
 893        // ----------------------------------------------------------------------------
 894        controlValue = 0;
 895        SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 896
 897        // ----------------------------------------------------------------------------
 898        // make sure the card is not in monitor mode when we do this update.
 899        // ----------------------------------------------------------------------------
 900        if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 901                monModeSet = 1;
 902                snd_korg1212_SendStopAndWait(korg1212);
 903        } else
 904                monModeSet = 0;
 905
 906        spin_lock_irqsave(&korg1212->lock, flags);
 907
 908        // ----------------------------------------------------------------------------
 909        // we are about to send new values to the card, so clear the new values queued
 910        // flag.  Also, clear out mailbox 3, so we don't lockup.
 911        // ----------------------------------------------------------------------------
 912        writel(0, korg1212->mailbox3Ptr);
 913        udelay(LOADSHIFT_DELAY);
 914
 915        // ----------------------------------------------------------------------------
 916        // determine whether we are running a 48K or 44.1K clock.  This info is used
 917        // later when setting the SPDIF FF after the volume has been shifted in.
 918        // ----------------------------------------------------------------------------
 919        switch (korg1212->clkSrcRate) {
 920                case K1212_CLKIDX_AdatAt44_1K:
 921                case K1212_CLKIDX_WordAt44_1K:
 922                case K1212_CLKIDX_LocalAt44_1K:
 923                        clkIs48K = 0;
 924                        break;
 925
 926                case K1212_CLKIDX_WordAt48K:
 927                case K1212_CLKIDX_AdatAt48K:
 928                case K1212_CLKIDX_LocalAt48K:
 929                default:
 930                        clkIs48K = 1;
 931                        break;
 932        }
 933
 934        // ----------------------------------------------------------------------------
 935        // start the update.  Setup the bit structure and then shift the bits.
 936        // ----------------------------------------------------------------------------
 937        sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 938        sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 939        sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 940        sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 941
 942        // ----------------------------------------------------------------------------
 943        // now start shifting the bits in.  Start with the left channel then the right.
 944        // ----------------------------------------------------------------------------
 945        for (channel = 0; channel < 2; channel++) {
 946
 947                // ----------------------------------------------------------------------------
 948                // Bring the load/shift line low, then wait - the spec says >150ns from load/
 949                // shift low to the first rising edge of the clock.
 950                // ----------------------------------------------------------------------------
 951                ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 952                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 953                writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 954                udelay(LOADSHIFT_DELAY);
 955
 956                for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 957                        if (channel == 0) {
 958                                if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 959                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 960                                else
 961                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 962                        } else {
 963                                if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 964                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 965                                else
 966                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 967                        }
 968
 969                        ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 970                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 971                        udelay(SENSCLKPULSE_WIDTH);
 972                        SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 973                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 974                        udelay(SENSCLKPULSE_WIDTH);
 975                }
 976
 977                // ----------------------------------------------------------------------------
 978                // finish up SPDIF for left.  Bring the load/shift line high, then write a one
 979                // bit if the clock rate is 48K otherwise write 0.
 980                // ----------------------------------------------------------------------------
 981                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 982                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 983                SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 984                writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
 985                udelay(SENSCLKPULSE_WIDTH);
 986
 987                if (clkIs48K)
 988                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 989
 990                writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
 991                udelay(ONE_RTC_TICK);
 992                SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 993                writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
 994                udelay(SENSCLKPULSE_WIDTH);
 995                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 996                writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
 997                udelay(SENSCLKPULSE_WIDTH);
 998        }
 999
1000        // ----------------------------------------------------------------------------
1001        // The update is complete.  Set a timeout.  This is the inter-update delay.
1002        // Also, if the card was in monitor mode, restore it.
1003        // ----------------------------------------------------------------------------
1004        for (count = 0; count < 10; count++)
1005                udelay(SENSCLKPULSE_WIDTH);
1006
1007        if (monModeSet) {
1008                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1009                                K1212_MODE_MonitorOn, 0, 0, 0);
1010                if (rc)
1011                        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1012                                           rc, stateName[korg1212->cardState]);
1013        }
1014
1015        spin_unlock_irqrestore(&korg1212->lock, flags);
1016
1017        return 1;
1018}
1019
1020static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1021{
1022        int channel, rc;
1023
1024        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1025                           stateName[korg1212->cardState]);
1026
1027        // ----------------------------------------------------
1028        // tell the card to boot
1029        // ----------------------------------------------------
1030        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1031
1032        if (rc)
1033                K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1034                                   rc, stateName[korg1212->cardState]);
1035        msleep(DSP_BOOT_DELAY_IN_MS);
1036
1037        // --------------------------------------------------------------------------------
1038        // Let the card know where all the buffers are.
1039        // --------------------------------------------------------------------------------
1040        rc = snd_korg1212_Send1212Command(korg1212,
1041                        K1212_DB_ConfigureBufferMemory,
1042                        LowerWordSwap(korg1212->PlayDataPhy),
1043                        LowerWordSwap(korg1212->RecDataPhy),
1044                        ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1045                                                                   // is based on 2 buffers
1046                        0
1047        );
1048
1049        if (rc)
1050                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1051                                   rc, stateName[korg1212->cardState]);
1052
1053        udelay(INTERCOMMAND_DELAY);
1054
1055        rc = snd_korg1212_Send1212Command(korg1212,
1056                        K1212_DB_ConfigureMiscMemory,
1057                        LowerWordSwap(korg1212->VolumeTablePhy),
1058                        LowerWordSwap(korg1212->RoutingTablePhy),
1059                        LowerWordSwap(korg1212->AdatTimeCodePhy),
1060                        0
1061        );
1062
1063        if (rc)
1064                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1065                                   rc, stateName[korg1212->cardState]);
1066
1067        // --------------------------------------------------------------------------------
1068        // Initialize the routing and volume tables, then update the card's state.
1069        // --------------------------------------------------------------------------------
1070        udelay(INTERCOMMAND_DELAY);
1071
1072        for (channel = 0; channel < kAudioChannels; channel++) {
1073                korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1074                //korg1212->sharedBufferPtr->routeData[channel] = channel;
1075                korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1076        }
1077
1078        snd_korg1212_WriteADCSensitivity(korg1212);
1079
1080        udelay(INTERCOMMAND_DELAY);
1081        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1082                                          ClockSourceSelector[korg1212->clkSrcRate],
1083                                          0, 0, 0);
1084        if (rc)
1085                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1086                                   rc, stateName[korg1212->cardState]);
1087
1088        rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1089        snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1090
1091        if (rc)
1092                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1093                                   rc, stateName[korg1212->cardState]);
1094
1095        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1096}
1097
1098static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1099{
1100        u32 doorbellValue;
1101        struct snd_korg1212 *korg1212 = dev_id;
1102
1103        doorbellValue = readl(korg1212->inDoorbellPtr);
1104
1105        if (!doorbellValue)
1106                return IRQ_NONE;
1107
1108        spin_lock(&korg1212->lock);
1109
1110        writel(doorbellValue, korg1212->inDoorbellPtr);
1111
1112        korg1212->irqcount++;
1113
1114        korg1212->inIRQ++;
1115
1116        switch (doorbellValue) {
1117                case K1212_DB_DSPDownloadDone:
1118                        K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1119                                           korg1212->irqcount, doorbellValue,
1120                                           stateName[korg1212->cardState]);
1121                        if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1122                                korg1212->dsp_is_loaded = 1;
1123                                wake_up(&korg1212->wait);
1124                        }
1125                        break;
1126
1127                // ------------------------------------------------------------------------
1128                // an error occurred - stop the card
1129                // ------------------------------------------------------------------------
1130                case K1212_DB_DMAERROR:
1131                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1132                                                   korg1212->irqcount, doorbellValue,
1133                                                   stateName[korg1212->cardState]);
1134                        snd_printk(KERN_ERR "korg1212: DMA Error\n");
1135                        korg1212->errorcnt++;
1136                        korg1212->totalerrorcnt++;
1137                        korg1212->sharedBufferPtr->cardCommand = 0;
1138                        snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1139                        break;
1140
1141                // ------------------------------------------------------------------------
1142                // the card has stopped by our request.  Clear the command word and signal
1143                // the semaphore in case someone is waiting for this.
1144                // ------------------------------------------------------------------------
1145                case K1212_DB_CARDSTOPPED:
1146                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1147                                                   korg1212->irqcount, doorbellValue,
1148                                                   stateName[korg1212->cardState]);
1149                        korg1212->sharedBufferPtr->cardCommand = 0;
1150                        break;
1151
1152                default:
1153                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1154                               korg1212->irqcount, doorbellValue, 
1155                               korg1212->currentBuffer, stateName[korg1212->cardState]);
1156                        if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1157                                korg1212->currentBuffer++;
1158
1159                                if (korg1212->currentBuffer >= kNumBuffers)
1160                                        korg1212->currentBuffer = 0;
1161
1162                                if (!korg1212->running)
1163                                        break;
1164
1165                                if (korg1212->capture_substream) {
1166                                        spin_unlock(&korg1212->lock);
1167                                        snd_pcm_period_elapsed(korg1212->capture_substream);
1168                                        spin_lock(&korg1212->lock);
1169                                }
1170
1171                                if (korg1212->playback_substream) {
1172                                        spin_unlock(&korg1212->lock);
1173                                        snd_pcm_period_elapsed(korg1212->playback_substream);
1174                                        spin_lock(&korg1212->lock);
1175                                }
1176                        }
1177                        break;
1178        }
1179
1180        korg1212->inIRQ--;
1181
1182        spin_unlock(&korg1212->lock);
1183
1184        return IRQ_HANDLED;
1185}
1186
1187static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1188{
1189        int rc;
1190
1191        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1192                           stateName[korg1212->cardState]);
1193
1194        // ---------------------------------------------------------------
1195        // verify the state of the card before proceeding.
1196        // ---------------------------------------------------------------
1197        if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1198                return 1;
1199
1200        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1201
1202        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1203                                          UpperWordSwap(korg1212->dma_dsp->addr),
1204                                          0, 0, 0);
1205        if (rc)
1206                K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1207                                   rc, stateName[korg1212->cardState]);
1208
1209        korg1212->dsp_is_loaded = 0;
1210        wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1211        if (! korg1212->dsp_is_loaded )
1212                return -EBUSY; /* timeout */
1213
1214        snd_korg1212_OnDSPDownloadComplete(korg1212);
1215
1216        return 0;
1217}
1218
1219static const struct snd_pcm_hardware snd_korg1212_playback_info =
1220{
1221        .info =              (SNDRV_PCM_INFO_MMAP |
1222                              SNDRV_PCM_INFO_MMAP_VALID |
1223                              SNDRV_PCM_INFO_INTERLEAVED |
1224                              SNDRV_PCM_INFO_BATCH),
1225        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1226        .rates =              (SNDRV_PCM_RATE_44100 |
1227                              SNDRV_PCM_RATE_48000),
1228        .rate_min =           44100,
1229        .rate_max =           48000,
1230        .channels_min =       K1212_MIN_CHANNELS,
1231        .channels_max =       K1212_MAX_CHANNELS,
1232        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1233        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1234        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1235        .periods_min =        K1212_PERIODS,
1236        .periods_max =        K1212_PERIODS,
1237        .fifo_size =          0,
1238};
1239
1240static const struct snd_pcm_hardware snd_korg1212_capture_info =
1241{
1242        .info =              (SNDRV_PCM_INFO_MMAP |
1243                              SNDRV_PCM_INFO_MMAP_VALID |
1244                              SNDRV_PCM_INFO_INTERLEAVED |
1245                              SNDRV_PCM_INFO_BATCH),
1246        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1247        .rates =              (SNDRV_PCM_RATE_44100 |
1248                              SNDRV_PCM_RATE_48000),
1249        .rate_min =           44100,
1250        .rate_max =           48000,
1251        .channels_min =       K1212_MIN_CHANNELS,
1252        .channels_max =       K1212_MAX_CHANNELS,
1253        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1254        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1255        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1256        .periods_min =        K1212_PERIODS,
1257        .periods_max =        K1212_PERIODS,
1258        .fifo_size =          0,
1259};
1260
1261static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1262{
1263        struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1264        int i;
1265
1266        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1267                                   pos, offset, size, count);
1268        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1269                return -EINVAL;
1270
1271        for (i=0; i < count; i++) {
1272#if K1212_DEBUG_LEVEL > 0
1273                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1274                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1275                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1276                               dst, i);
1277                        return -EFAULT;
1278                }
1279#endif
1280                memset((void*) dst + offset, 0, size);
1281                dst++;
1282        }
1283
1284        return 0;
1285}
1286
1287static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1288                                void __user *dst, int pos, int count,
1289                                bool in_kernel)
1290{
1291        struct snd_pcm_runtime *runtime = substream->runtime;
1292        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1293        struct KorgAudioFrame *src;
1294        int i, size;
1295
1296        pos = bytes_to_frames(runtime, pos);
1297        count = bytes_to_frames(runtime, count);
1298        size = korg1212->channels * 2;
1299        src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1300        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1301                                   pos, size, count);
1302        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1303                return -EINVAL;
1304
1305        for (i=0; i < count; i++) {
1306#if K1212_DEBUG_LEVEL > 0
1307                if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1308                     (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1309                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1310                        return -EFAULT;
1311                }
1312#endif
1313                if (in_kernel)
1314                        memcpy((__force void *)dst, src, size);
1315                else if (copy_to_user(dst, src, size))
1316                        return -EFAULT;
1317                src++;
1318                dst += size;
1319        }
1320
1321        return 0;
1322}
1323
1324static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1325                                  void __user *src, int pos, int count,
1326                                  bool in_kernel)
1327{
1328        struct snd_pcm_runtime *runtime = substream->runtime;
1329        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1330        struct KorgAudioFrame *dst;
1331        int i, size;
1332
1333        pos = bytes_to_frames(runtime, pos);
1334        count = bytes_to_frames(runtime, count);
1335        size = korg1212->channels * 2;
1336        dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1337
1338        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1339                                   pos, size, count);
1340
1341        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1342                return -EINVAL;
1343
1344        for (i=0; i < count; i++) {
1345#if K1212_DEBUG_LEVEL > 0
1346                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1347                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1348                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1349                        return -EFAULT;
1350                }
1351#endif
1352                if (in_kernel)
1353                        memcpy(dst, (__force void *)src, size);
1354                else if (copy_from_user(dst, src, size))
1355                        return -EFAULT;
1356                dst++;
1357                src += size;
1358        }
1359
1360        return 0;
1361}
1362
1363static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1364{
1365        struct snd_korg1212 *korg1212 = pcm->private_data;
1366
1367        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1368                           stateName[korg1212->cardState]);
1369
1370        korg1212->pcm = NULL;
1371}
1372
1373static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1374{
1375        unsigned long flags;
1376        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1377        struct snd_pcm_runtime *runtime = substream->runtime;
1378
1379        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1380                           stateName[korg1212->cardState]);
1381
1382        snd_korg1212_OpenCard(korg1212);
1383
1384        runtime->hw = snd_korg1212_playback_info;
1385        snd_pcm_set_runtime_buffer(substream, korg1212->dma_play);
1386
1387        spin_lock_irqsave(&korg1212->lock, flags);
1388
1389        korg1212->playback_substream = substream;
1390        korg1212->playback_pid = current->pid;
1391        korg1212->periodsize = K1212_PERIODS;
1392        korg1212->channels = K1212_CHANNELS;
1393        korg1212->errorcnt = 0;
1394
1395        spin_unlock_irqrestore(&korg1212->lock, flags);
1396
1397        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1398                                     kPlayBufferFrames);
1399
1400        return 0;
1401}
1402
1403
1404static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1405{
1406        unsigned long flags;
1407        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1408        struct snd_pcm_runtime *runtime = substream->runtime;
1409
1410        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1411                           stateName[korg1212->cardState]);
1412
1413        snd_korg1212_OpenCard(korg1212);
1414
1415        runtime->hw = snd_korg1212_capture_info;
1416        snd_pcm_set_runtime_buffer(substream, korg1212->dma_rec);
1417
1418        spin_lock_irqsave(&korg1212->lock, flags);
1419
1420        korg1212->capture_substream = substream;
1421        korg1212->capture_pid = current->pid;
1422        korg1212->periodsize = K1212_PERIODS;
1423        korg1212->channels = K1212_CHANNELS;
1424
1425        spin_unlock_irqrestore(&korg1212->lock, flags);
1426
1427        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1428                                     kPlayBufferFrames);
1429        return 0;
1430}
1431
1432static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1433{
1434        unsigned long flags;
1435        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1436
1437        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1438                           stateName[korg1212->cardState]);
1439
1440        snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1441
1442        spin_lock_irqsave(&korg1212->lock, flags);
1443
1444        korg1212->playback_pid = -1;
1445        korg1212->playback_substream = NULL;
1446        korg1212->periodsize = 0;
1447
1448        spin_unlock_irqrestore(&korg1212->lock, flags);
1449
1450        snd_korg1212_CloseCard(korg1212);
1451        return 0;
1452}
1453
1454static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1455{
1456        unsigned long flags;
1457        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1458
1459        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1460                           stateName[korg1212->cardState]);
1461
1462        spin_lock_irqsave(&korg1212->lock, flags);
1463
1464        korg1212->capture_pid = -1;
1465        korg1212->capture_substream = NULL;
1466        korg1212->periodsize = 0;
1467
1468        spin_unlock_irqrestore(&korg1212->lock, flags);
1469
1470        snd_korg1212_CloseCard(korg1212);
1471        return 0;
1472}
1473
1474static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1475                             unsigned int cmd, void *arg)
1476{
1477        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1478
1479        if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1480                struct snd_pcm_channel_info *info = arg;
1481                info->offset = 0;
1482                info->first = info->channel * 16;
1483                info->step = 256;
1484                K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1485                return 0;
1486        }
1487
1488        return snd_pcm_lib_ioctl(substream, cmd, arg);
1489}
1490
1491static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1492                             struct snd_pcm_hw_params *params)
1493{
1494        unsigned long flags;
1495        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1496        int err;
1497        pid_t this_pid;
1498        pid_t other_pid;
1499
1500        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1501                           stateName[korg1212->cardState]);
1502
1503        spin_lock_irqsave(&korg1212->lock, flags);
1504
1505        if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1506                this_pid = korg1212->playback_pid;
1507                other_pid = korg1212->capture_pid;
1508        } else {
1509                this_pid = korg1212->capture_pid;
1510                other_pid = korg1212->playback_pid;
1511        }
1512
1513        if ((other_pid > 0) && (this_pid != other_pid)) {
1514
1515                /* The other stream is open, and not by the same
1516                   task as this one. Make sure that the parameters
1517                   that matter are the same.
1518                 */
1519
1520                if ((int)params_rate(params) != korg1212->clkRate) {
1521                        spin_unlock_irqrestore(&korg1212->lock, flags);
1522                        _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1523                        return -EBUSY;
1524                }
1525
1526                spin_unlock_irqrestore(&korg1212->lock, flags);
1527                return 0;
1528        }
1529
1530        err = snd_korg1212_SetRate(korg1212, params_rate(params));
1531        if (err < 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 void
2084snd_korg1212_free(struct snd_card *card)
2085{
2086        struct snd_korg1212 *korg1212 = card->private_data;
2087
2088        snd_korg1212_TurnOffIdleMonitor(korg1212);
2089        snd_korg1212_DisableCardInterrupts(korg1212);
2090}
2091
2092static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci)
2093
2094{
2095        int err, rc;
2096        unsigned int i;
2097        __maybe_unused unsigned iomem_size;
2098        __maybe_unused unsigned ioport_size;
2099        __maybe_unused unsigned iomem2_size;
2100        struct snd_korg1212 *korg1212 = card->private_data;
2101        const struct firmware *dsp_code;
2102
2103        err = pcim_enable_device(pci);
2104        if (err < 0)
2105                return err;
2106
2107        korg1212->card = card;
2108        korg1212->pci = pci;
2109
2110        init_waitqueue_head(&korg1212->wait);
2111        spin_lock_init(&korg1212->lock);
2112        mutex_init(&korg1212->open_mutex);
2113        timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2114
2115        korg1212->irq = -1;
2116        korg1212->clkSource = K1212_CLKIDX_Local;
2117        korg1212->clkRate = 44100;
2118        korg1212->inIRQ = 0;
2119        korg1212->running = 0;
2120        korg1212->opencnt = 0;
2121        korg1212->playcnt = 0;
2122        korg1212->setcnt = 0;
2123        korg1212->totalerrorcnt = 0;
2124        korg1212->playback_pid = -1;
2125        korg1212->capture_pid = -1;
2126        snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2127        korg1212->idleMonitorOn = 0;
2128        korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2129        korg1212->leftADCInSens = k1212MaxADCSens;
2130        korg1212->rightADCInSens = k1212MaxADCSens;
2131
2132        for (i=0; i<kAudioChannels; i++)
2133                korg1212->volumePhase[i] = 0;
2134
2135        err = pcim_iomap_regions_request_all(pci, 1 << 0, "korg1212");
2136        if (err < 0)
2137                return err;
2138
2139        korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2140        korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2141        korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2142
2143        iomem_size = pci_resource_len(korg1212->pci, 0);
2144        ioport_size = pci_resource_len(korg1212->pci, 1);
2145        iomem2_size = pci_resource_len(korg1212->pci, 2);
2146
2147        K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2148                   "    iomem = 0x%lx (%d)\n"
2149                   "    ioport  = 0x%lx (%d)\n"
2150                   "    iomem = 0x%lx (%d)\n"
2151                   "    [%s]\n",
2152                   korg1212->iomem, iomem_size,
2153                   korg1212->ioport, ioport_size,
2154                   korg1212->iomem2, iomem2_size,
2155                   stateName[korg1212->cardState]);
2156
2157        korg1212->iobase = pcim_iomap_table(pci)[0];
2158
2159        err = devm_request_irq(&pci->dev, pci->irq, snd_korg1212_interrupt,
2160                          IRQF_SHARED,
2161                          KBUILD_MODNAME, korg1212);
2162
2163        if (err) {
2164                snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2165                return -EBUSY;
2166        }
2167
2168        korg1212->irq = pci->irq;
2169        card->sync_irq = korg1212->irq;
2170        card->private_free = snd_korg1212_free;
2171
2172        pci_set_master(korg1212->pci);
2173
2174        korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2175        korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2176        korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2177        korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2178        korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2179        korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2180        korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2181        korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2182        korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2183        korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2184
2185        K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2186                   "    Status register = 0x%p\n"
2187                   "    OutDoorbell     = 0x%p\n"
2188                   "    InDoorbell      = 0x%p\n"
2189                   "    Mailbox0        = 0x%p\n"
2190                   "    Mailbox1        = 0x%p\n"
2191                   "    Mailbox2        = 0x%p\n"
2192                   "    Mailbox3        = 0x%p\n"
2193                   "    ControlReg      = 0x%p\n"
2194                   "    SensReg         = 0x%p\n"
2195                   "    IDReg           = 0x%p\n"
2196                   "    [%s]\n",
2197                   korg1212->statusRegPtr,
2198                   korg1212->outDoorbellPtr,
2199                   korg1212->inDoorbellPtr,
2200                   korg1212->mailbox0Ptr,
2201                   korg1212->mailbox1Ptr,
2202                   korg1212->mailbox2Ptr,
2203                   korg1212->mailbox3Ptr,
2204                   korg1212->controlRegPtr,
2205                   korg1212->sensRegPtr,
2206                   korg1212->idRegPtr,
2207                   stateName[korg1212->cardState]);
2208
2209        korg1212->dma_shared = snd_devm_alloc_pages(&pci->dev,
2210                                                    SNDRV_DMA_TYPE_DEV,
2211                                                    sizeof(struct KorgSharedBuffer));
2212        if (!korg1212->dma_shared)
2213                return -ENOMEM;
2214        korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared->area;
2215        korg1212->sharedBufferPhy = korg1212->dma_shared->addr;
2216
2217        K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2218
2219#ifndef K1212_LARGEALLOC
2220        korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2221        korg1212->dma_play = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2222                                                  korg1212->DataBufsSize);
2223        if (!korg1212->dma_play)
2224                return -ENOMEM;
2225
2226        korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play->area;
2227        korg1212->PlayDataPhy = korg1212->dma_play->addr;
2228
2229        K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2230                korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2231
2232        korg1212->dma_rec = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2233                                                 korg1212->DataBufsSize);
2234        if (!korg1212->dma_rec)
2235                return -ENOMEM;
2236
2237        korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec->area;
2238        korg1212->RecDataPhy = korg1212->dma_rec->addr;
2239
2240        K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2241                korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2242
2243#else // K1212_LARGEALLOC
2244
2245        korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2246        korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2247        korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2248        korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2249
2250#endif // K1212_LARGEALLOC
2251
2252        korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2253                offsetof(struct KorgSharedBuffer, volumeData);
2254        korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2255                offsetof(struct KorgSharedBuffer, routeData);
2256        korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2257                offsetof(struct KorgSharedBuffer, AdatTimeCode);
2258
2259        err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2260        if (err < 0) {
2261                snd_printk(KERN_ERR "firmware not available\n");
2262                return err;
2263        }
2264
2265        korg1212->dma_dsp = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2266                                                 dsp_code->size);
2267        if (!korg1212->dma_dsp) {
2268                release_firmware(dsp_code);
2269                return -ENOMEM;
2270        }
2271
2272        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2273                   korg1212->dma_dsp->area, korg1212->dma_dsp->addr, dsp_code->size,
2274                   stateName[korg1212->cardState]);
2275
2276        memcpy(korg1212->dma_dsp->area, dsp_code->data, dsp_code->size);
2277
2278        release_firmware(dsp_code);
2279
2280        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2281
2282        if (rc)
2283                K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2284
2285        snd_korg1212_EnableCardInterrupts(korg1212);
2286
2287        mdelay(CARD_BOOT_DELAY_IN_MS);
2288
2289        if (snd_korg1212_downloadDSPCode(korg1212))
2290                return -EBUSY;
2291
2292        K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2293               "PlayDataPhy = %08x L[%08x]\n"
2294               "korg1212: RecDataPhy = %08x L[%08x], "
2295               "VolumeTablePhy = %08x L[%08x]\n"
2296               "korg1212: RoutingTablePhy = %08x L[%08x], "
2297               "AdatTimeCodePhy = %08x L[%08x]\n",
2298               (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2299               korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2300               korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2301               korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2302               korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2303               korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2304
2305        err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm);
2306        if (err < 0)
2307                return err;
2308
2309        korg1212->pcm->private_data = korg1212;
2310        korg1212->pcm->private_free = snd_korg1212_free_pcm;
2311        strcpy(korg1212->pcm->name, "korg1212");
2312
2313        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2314        
2315        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2316
2317        korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2318
2319        for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2320                err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2321                if (err < 0)
2322                        return err;
2323        }
2324
2325        snd_korg1212_proc_init(korg1212);
2326
2327        return 0;
2328}
2329
2330/*
2331 * Card initialisation
2332 */
2333
2334static int
2335snd_korg1212_probe(struct pci_dev *pci,
2336                const struct pci_device_id *pci_id)
2337{
2338        static int dev;
2339        struct snd_korg1212 *korg1212;
2340        struct snd_card *card;
2341        int err;
2342
2343        if (dev >= SNDRV_CARDS) {
2344                return -ENODEV;
2345        }
2346        if (!enable[dev]) {
2347                dev++;
2348                return -ENOENT;
2349        }
2350        err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2351                                sizeof(*korg1212), &card);
2352        if (err < 0)
2353                return err;
2354        korg1212 = card->private_data;
2355
2356        err = snd_korg1212_create(card, pci);
2357        if (err < 0)
2358                return err;
2359
2360        strcpy(card->driver, "korg1212");
2361        strcpy(card->shortname, "korg1212");
2362        sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2363                korg1212->iomem, korg1212->irq);
2364
2365        K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2366
2367        err = snd_card_register(card);
2368        if (err < 0)
2369                return err;
2370        pci_set_drvdata(pci, card);
2371        dev++;
2372        return 0;
2373}
2374
2375static struct pci_driver korg1212_driver = {
2376        .name = KBUILD_MODNAME,
2377        .id_table = snd_korg1212_ids,
2378        .probe = snd_korg1212_probe,
2379};
2380
2381module_pci_driver(korg1212_driver);
2382